CN114444111A - Intelligent instrument data management method, storage medium, terminal and intelligent instrument - Google Patents
Intelligent instrument data management method, storage medium, terminal and intelligent instrument Download PDFInfo
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- CN114444111A CN114444111A CN202011218686.3A CN202011218686A CN114444111A CN 114444111 A CN114444111 A CN 114444111A CN 202011218686 A CN202011218686 A CN 202011218686A CN 114444111 A CN114444111 A CN 114444111A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/602—Providing cryptographic facilities or services
Abstract
The invention provides an intelligent instrument data management method, a storage medium, a terminal and an intelligent instrument. The intelligent instrument data management method comprises the following steps: acquiring data of the intelligent instrument; calculating and acquiring a hash value of the intelligent instrument data by adopting a state secret security algorithm SM 3; calculating and acquiring a digital signature of the hash value of the intelligent instrument data by adopting a state secret security algorithm SM 2; generating a data block conforming to a chain data structure of a block chain based on the intelligent instrument data, the hash value and the digital signature; and sending the data block to a block chain platform through a block chain data uplink interface. The invention adopts the national secret security algorithm and the block chain technology to ensure the security and the accuracy of the data of the intelligent instrument, thereby avoiding data loss, data tampering and the like caused by environmental factors or human factors, realizing the mutual trust between a supplier and a user, and avoiding transaction dispute and user information leakage.
Description
Technical Field
The invention relates to the technical field of intelligent instruments, in particular to a data management method of an intelligent instrument, a storage medium, a terminal and the intelligent instrument.
Background
Traditional mechanical or electronic instruments are gradually transitioning to intelligent instruments by means of advanced computer technology and microelectronic electronic technology. The intelligent instrument can solve the problem that the traditional instrument is difficult to solve or can not solve, if the on-site real-time monitoring can be carried out, an instrument circuit can be simplified, the reliability of the instrument is improved, the purposes of high precision, high performance and multiple functions can be realized more easily, the accurate display of multiple physical quantities can be completed, multiple functions such as transmission output, relay control output, communication, data maintenance can be carried out, and the functions such as data acquisition, data processing, data communication and the diversified transmission of data can be completed. With the advent of the big data era, how to ensure the integrity, reliability and confidentiality of data of the intelligent instrument and avoid leakage or illegal tampering of user information has become an important ring for the healthy development of the intelligent instrument industry. Therefore, it is desirable to provide a method for improving the intelligence of the smart meter and the security of the smart meter data.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention provides a smart meter data management method, a storage medium, a terminal and a smart meter, which are used for solving the problem of security protection of smart meter data in the prior art.
To achieve the above and other related objects, a first aspect of the present invention provides a smart meter data management method based on a cryptographic security algorithm, including: acquiring data of the intelligent instrument; calculating and acquiring a hash value of the intelligent instrument data by adopting a state secret security algorithm SM 3; calculating and acquiring a digital signature of the hash value of the intelligent instrument data by adopting a state secret security algorithm SM 2; generating a data block conforming to a chain data structure of a block chain based on the intelligent instrument data, the hash value and the digital signature; and sending the data block to a block chain platform through a block chain data uplink interface.
In some embodiments of the first aspect of the present invention, the smart meter data comprises user transaction data, user identity data, meter metering data and meter parameter data; the meter metering data in turn comprises water usage data, gas usage data or heat usage data.
In some embodiments of the first aspect of the present invention, the security algorithm SM2 includes SM2-1 elliptic curve digital signature algorithm, SM2-2 elliptic curve key exchange protocol and SM2-3 elliptic curve public key encryption algorithm; the SM2-1 elliptic curve digital signature algorithm is used for realizing digital signature; the SM2-2 elliptic curve key exchange protocol is used for realizing key agreement; the SM2-3 elliptic curve public key encryption algorithm is used for realizing encryption of intelligent instrument data.
To achieve the above and other related objects, a second aspect of the present invention provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the smart meter data management method based on a national security algorithm.
To achieve the above and other related objects, a third aspect of the present invention provides an electronic terminal comprising: a processor and a memory; the memory is used for storing computer programs, and the processor is used for executing the computer programs stored by the memory so as to enable the terminal to execute the intelligent instrument data management method based on the national secret security algorithm.
To achieve the above and other related objects, a fourth aspect of the present invention provides a smart meter for a cryptographic security algorithm, comprising: the processing module is used for acquiring data of the intelligent instrument; the hash value used for calculating and acquiring the intelligent instrument data by adopting a cryptographic security algorithm SM 3; the digital signature is used for calculating and acquiring the hash value of the intelligent meter data by adopting a secret security algorithm SM 2; generating a data block conforming to a chain data structure of a block chain based on the intelligent instrument data, the hash value and the digital signature; for sending the data block to a blockchain platform over a blockchain data uplink interface.
In some embodiments of the fourth aspect of the present invention, the smart meter further comprises: and the remote upgrading module is used for remotely upgrading each module of the intelligent instrument.
In some embodiments of the fourth aspect of the present invention, the smart meter further comprises: and the external SIM card module or the eSIM communication module is used for realizing full-band communication.
In some embodiments of the fourth aspect of the present invention, the smart meter further comprises: and the voltage detection module is used for detecting the power supply voltage and sending out a reminding signal when the power supply voltage is insufficient.
In some embodiments of the fourth aspect of the present invention, the smart meter further comprises: and the extended Flash storage module is used for storing and backing up the data of the intelligent instrument.
As described above, the intelligent instrument data management method, the storage medium, the terminal and the intelligent instrument provided by the invention have the following beneficial effects: the security and the accuracy of the data of the intelligent instrument are guaranteed by adopting a state secret security algorithm and a block chain technology, so that data loss, data tampering and the like caused by environmental factors or human factors are avoided, mutual trust between a supplier and a user is realized, and transaction disputes and user information leakage are avoided.
Drawings
Fig. 1 is a flowchart illustrating a smart meter data management method based on a cryptographic security algorithm according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an electronic terminal according to an embodiment of the invention.
Fig. 3 is a schematic structural diagram of an intelligent meter based on a cryptographic security algorithm according to an embodiment of the present invention.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It is noted that in the following description, reference is made to the accompanying drawings which illustrate several embodiments of the present invention. It is to be understood that other embodiments may be utilized and that mechanical, structural, electrical, and operational changes may be made without departing from the spirit and scope of the present invention. The following detailed description is not to be taken in a limiting sense, and the scope of embodiments of the present invention is defined only by the claims of the issued patent. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Spatially relative terms, such as "upper," "lower," "left," "right," "lower," "below," "lower," "above," "upper," and the like, may be used herein to facilitate describing one element or feature's relationship to another element or feature as illustrated in the figures.
In the present invention, the terms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises," "comprising," and/or "comprising," when used in this specification, specify the presence of stated features, operations, elements, components, items, species, and/or groups, but do not preclude the presence, or addition of one or more other features, operations, elements, components, items, species, and/or groups thereof. The terms "or" and/or "as used herein are to be construed as inclusive or meaning any one or any combination. Thus, "A, B or C" or "A, B and/or C" means "any of the following: a; b; c; a and B; a and C; b and C; A. b and C ". An exception to this definition will occur only when a combination of elements, functions or operations are inherently mutually exclusive in some way.
The invention provides an intelligent instrument data management method, a storage medium, a terminal and an intelligent instrument, which are used for solving the problem of safety protection of intelligent instrument data in the prior art.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions in the embodiments of the present invention are further described in detail by the following embodiments in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example one
Fig. 1 shows a flow chart of a smart meter data management method based on a national security algorithm. The specific steps of the method are as follows as shown in FIG. 1:
and S11, acquiring data (also called data to be linked) of the intelligent instrument. The smart meter data includes, but is not limited to: user transaction data, user identity data, meter metering data, and meter parameter data. The meter metering data comprises water consumption data, gas consumption data or heat consumption data, and the corresponding intelligent meters are an intelligent water meter, an intelligent gas meter and an intelligent heat meter. The user transaction data, in turn, includes load data, consumption data, account balance data, and the like.
And S12, calculating and acquiring the hash value of the intelligent instrument data by adopting a cryptographic security algorithm SM 3. Specifically, the secure national cryptographic algorithm SM3 adopts a Merkle-Damgard structure, and performs operations such as filling, iterative compression, 256-bit hash value output and the like on the acquired intelligent instrument data to obtain a corresponding hash value.
And S13, calculating and acquiring a digital signature of the hash value of the intelligent instrument data by adopting a state secret security algorithm SM 2. The national security algorithm SM2 comprises an SM2-1 elliptic curve digital signature algorithm, an SM2-2 elliptic curve key exchange protocol and an SM2-3 elliptic curve public key encryption algorithm. The SM2-1 elliptic curve digital signature algorithm is used for realizing digital signatures; the SM2-2 elliptic curve key exchange protocol is used for realizing key agreement; the SM2-3 elliptic curve public key encryption algorithm is used for realizing encryption of intelligent instrument data. Moreover, the SM2 cryptographic security algorithm requires a small storage space and consumes less machine performance, and is particularly suitable for the encryption protection of smart meter data.
And S14, generating a data block conforming to a chain data structure of the block chain based on the intelligent instrument data, the hash value and the digital signature. Different data blocks on the block chain are linked through hash values, so that the data of the intelligent instrument are protected from being tampered; the digital signature of the hash value can be used for proving the identity of a sender of the data and the authenticity of the data, and effectively defending possible security attacks.
And S15, sending the data block to a block chain platform through a block chain data uplink interface. And the data block is broadcast to all nodes after being identified by the block chain platform, and each node stores the data block completely, so that the successful uplink of the intelligent instrument data is realized. The intelligent meter data cannot be changed after being linked, a user can check the integrity and the correctness of the intelligent meter data according to the hash value or the digital signature of the hash value, and any node with the integral data can support independent complex query of the intelligent meter data.
It should be noted that, in this embodiment, the data of the intelligent instrument is protected by using the intelligent instrument as a research object, and compared with a conventional instrument, the intelligent instrument can automatically collect the data, and the data measurement is more accurate and less susceptible to interference from external factors, and the parameter setting is convenient and the function of remote monitoring can be realized. In addition, the embodiment adopts the national security algorithm to protect the data of the intelligent instrument, so that the outside cannot easily obtain corresponding information, the privacy information and property safety of the intelligent instrument user are effectively guaranteed, and the popularization of the intelligent instrument and the effective management of energy are facilitated. Finally, the block chain technology is adopted in the embodiment, and the data of the intelligent instrument is linked to the block chain platform, so that the data of the intelligent instrument cannot be forged, is traceable in the whole process and is maintained collectively, possible data loss and data leakage are avoided, external attacks are effectively prevented, a good trust relationship between a user and a supplier is established, and transaction disputes are avoided.
In some embodiments, the smart meter data management method may be applied to a controller, such as an arm (advanced RISC machines) controller, an fpga (field Programmable Gate array) controller, a soc (system on chip) controller, a dsp (digital Signal processing) controller, or an mcu (micro controller unit) controller, etc. In some embodiments, the methods are also applicable to computers including components such as memory, memory controllers, one or more processing units (CPUs), peripheral interfaces, RF circuits, audio circuits, speakers, microphones, input/output (I/O) subsystems, display screens, other output or control devices, and external ports; the computer includes, but is not limited to, Personal computers such as desktop computers, notebook computers, tablet computers, smart phones, smart televisions, Personal Digital Assistants (PDAs), and the like. In other embodiments, the method may also be applied to servers, which may be arranged on one or more physical servers, or may be formed of a distributed or centralized cluster of servers, depending on various factors such as function, load, etc.
Example two
The present embodiment provides a computer-readable storage medium having stored thereon a computer program, which is executed by a processor to perform a smart meter data management method based on a cryptographic security algorithm as described above.
Those of ordinary skill in the art will understand that: all or part of the steps for implementing the above method embodiments may be performed by hardware associated with a computer program. The aforementioned computer program may be stored in a computer-readable storage medium. When executed, the program performs steps comprising the method embodiments described above; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
EXAMPLE III
Fig. 2 shows a schematic structural diagram of an electronic terminal provided in this embodiment. This example provides an electronic terminal including: a processor 21, a memory 22, a communicator 23; the memory 22 is connected with the processor 21 and the communicator 23 through a system bus and is used for completing mutual communication, the memory 22 is used for storing a computer program, the communicator 23 is used for communicating with other equipment, and the processor 21 is used for operating the computer program, so that the electronic terminal executes the steps of the intelligent instrument data management method based on the state secret security algorithm.
The above-mentioned system bus may be a Peripheral Component Interconnect (PCI) bus, an Extended Industry Standard Architecture (EISA) bus, or the like. The system bus may be divided into an address bus, a data bus, a control bus, and the like. For ease of illustration, only one thick line is shown, but this does not mean that there is only one bus or one type of bus. The communication interface is used for realizing communication between the database access device and other equipment (such as a client, a read-write library and a read-only library). The Memory may include a Random Access Memory (RAM), and may further include a non-volatile Memory (non-volatile Memory), such as at least one disk Memory.
The Processor may be a general-purpose Processor, including a Central Processing Unit (CPU), a Network Processor (NP), and the like; the Integrated Circuit may also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, a discrete Gate or transistor logic device, or a discrete hardware component.
Example four
Fig. 3 shows a smart meter based on a cryptographic security algorithm according to the present embodiment, which includes a processing module 31, a storage module 32, and a communication module 33.
The processing module 31 is used for acquiring data of the intelligent instrument; the hash value used for calculating and acquiring the intelligent instrument data by adopting a cryptographic security algorithm SM 3; the digital signature is used for calculating and acquiring the hash value of the intelligent meter data by adopting a secret security algorithm SM 2; generating a data block conforming to a chain data structure of a block chain based on the intelligent instrument data, the hash value and the digital signature; for sending the data block to a blockchain platform over a blockchain data uplink interface. It should be noted that the processing module 31 provided in this embodiment is similar to the method and the embodiment provided in the foregoing, and therefore, the description is omitted. The Processing module 31 may be a general-purpose Processor, and includes a Central Processing Unit (CPU), a Network Processor (NP), and the like; the Integrated Circuit may also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, a discrete Gate or transistor logic device, or a discrete hardware component.
The storage module 32 is used to store computer programs. The storage module 32 includes various media capable of storing program codes, such as ROM, RAM, magnetic or optical disk, and so on. In a preferred embodiment of this embodiment, the smart meter further includes an extended Flash storage module, configured to store and backup data of the smart meter.
The communication module 33 is used for communicating with the outside. The communication module 33 includes any one or more of a 3G/4G/5G communication module, an NB-IoT communication module, an LoRa communication module, a Zigbee communication module, a Z-wave communication module, a Wifi communication module, and a bluetooth communication module.
In a preferred implementation manner of this embodiment, the smart meter further includes: and the remote upgrading module is used for remotely upgrading each module of the intelligent instrument. The remote upgrade module comprises a COTA (remote configuration upgrade) module, a DOTA (data packet remote upgrade) module or a FOTA (remote firmware upgrade) module, etc. Specifically, the remote upgrade module can respectively upgrade the processing module 32 and the communication module 33 of the smart meter: for the processing module 32, the remote upgrading module can download and store the upgrading packet into the storage module 32 through the communication module 33, then check and calculate the upgrading packet, and start the upgrading application program in the upgrading packet after the checking is passed, so as to realize the updating of the processing module 32; for the communication module 33, the remote upgrade module may obtain a corresponding upgrade package from the platform server (for example, upgrade 3GPP R13 to 3GPP R14), download the upgrade package to the communication module 33, perform verification calculation on the upgrade package, and start the upgrade application in the upgrade package after the verification is passed, thereby implementing the update of the communication module 33. The remote upgrading module is started when an adaptive upgrading packet appears on the network upgrading end side, a function needs to be added on the application end side, or a product problem appears when the application end side operates and the application end side needs to be upgraded remotely.
In a preferred implementation manner of this embodiment, the smart meter further includes: and the interface of the external SIM card module or the eSIM communication module is used for realizing full-band communication of the intelligent instrument. The intelligent instrument can be connected with the external SIM card module through the interface, and the SIM card module comprises SIM cards of three operators, so that full-band communication of the intelligent instrument is realized. The eSIM communication module is an embedded SIM card, can be directly embedded into a circuit board of the intelligent instrument, and has reliable connection and small occupied space; and the eSIM communication module is programmable, supports the remote configuration of the SIM card through OTA (over the air card writing), and realizes the downloading, installation, activation, deactivation and deletion of the configuration file of the operator.
In a preferred embodiment of this embodiment, the smart meter further includes a voltage detection module, configured to detect a power supply voltage and send a warning signal when the power supply voltage is insufficient. Optionally, the voltage detection module includes, but is not limited to, a resistance voltage division detection circuit, a voltage sensor detection circuit, a 555 voltage detection circuit, and the like. Among the commonly used voltage sensors are voltage transformers, hall voltage sensors, fiber optic voltage sensors, and the like.
In a preferred embodiment of the present embodiment, the smart meter further includes a crystal oscillator clock circuit for supporting the stabilization of the clock of the processing module 31 in the smart meter and the rf part of the smart meter (such as an inductive electronic chip or proximity card, an inductive card, a contactless card, an electronic tag, an electronic barcode, etc.). The crystal oscillator clock circuit generally comprises a crystal oscillator, a crystal oscillator control chip and a capacitor. Common crystal clock circuits are DS1302, DS1307, PCF8485, DS1302, etc.
In a preferred implementation manner of this embodiment, the smart meter further includes a power management module. The power management module is responsible for the transformation, distribution, detection and other electric energy management of electric energy in the intelligent instrument, can effectively distribute power to different components of the intelligent instrument, and can prolong the service life of a battery by two times or three times by reducing the energy consumption of the components when the components are idle. Common power management chips include HIP6301, IS6537, RT9237, ADP3168, KA7500, TL494 and the like.
In a preferred implementation manner of this embodiment, the smart meter further includes an LCD display driving circuit. The LCD display driving circuit comprises a static driving circuit, a multiplex driving circuit, a character type LCD driving circuit and a dot matrix type LCD driving circuit; the rotation direction of liquid crystal molecules is controlled by adjusting the signal and voltage change on the thin film transistor TFT, so that whether polarized light of each pixel point is emitted or not is controlled, and the display purpose is achieved.
In a preferred embodiment of this embodiment, the smart meter further includes a valve control circuit. The valve control circuit controls the motor for driving the valve of the intelligent instrument to act so as to control the valve to realize the functions of diversion, interception, regulation, throttling, backflow prevention, diversion or overflow pressure relief and the like, and further control the water supply, air supply or heat energy transmission of the system.
In a preferred embodiment of this embodiment, the smart meter further includes a reserved GPIO (General-purpose input/output) interface, which facilitates subsequent expansion of the meter functions. The expanded functional module is connected with the reserved GPIO interface to realize corresponding functions. The PINs of the GPIO can be freely used by a user through program control, and the PINs of the PIN can be used as general input, general output or general input and output according to practical consideration, so that the PIN has the advantages of low power consumption, small package, low cost, simple wiring and the like.
In summary, the intelligent instrument data management method, the storage medium, the terminal and the intelligent instrument provided by the invention ensure the security and the accuracy of the intelligent instrument data by adopting the national secret security algorithm and the block chain technology, thereby avoiding data loss, data tampering and the like caused by environmental factors or human factors, realizing mutual trust between a supplier and a user, and avoiding transaction dispute and user information leakage. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. A smart meter data management method based on a state secret security algorithm is characterized by comprising the following steps:
acquiring data of the intelligent instrument;
calculating and acquiring a hash value of the intelligent instrument data by adopting a state secret security algorithm SM 3;
calculating and acquiring a digital signature of the hash value of the intelligent instrument data by adopting a state secret security algorithm SM 2;
generating a data block conforming to a chain data structure of a block chain based on the intelligent instrument data, the hash value and the digital signature;
and sending the data block to a block chain platform through a block chain data uplink interface.
2. The smart meter data management method according to claim 1, wherein the smart meter data comprises user transaction data, user identity data, meter metering data and meter parameter data; the meter metering data in turn comprises water usage data, gas usage data or heat usage data.
3. The smart meter data management method according to claim 1, wherein the national security algorithm SM2 includes SM2-1 elliptic curve digital signature algorithm, SM2-2 elliptic curve key exchange protocol and SM2-3 elliptic curve public key encryption algorithm; the SM2-1 elliptic curve digital signature algorithm is used for realizing digital signatures; the SM2-2 elliptic curve key exchange protocol is used for realizing key agreement; the SM2-3 elliptic curve public key encryption algorithm is used for realizing encryption of intelligent instrument data.
4. A computer-readable storage medium, on which a computer program is stored, wherein the computer program, when executed by a processor, implements a smart meter data management method based on a cryptographic security algorithm according to any one of claims 1 to 3.
5. An electronic terminal, comprising: a processor and a memory;
the memory is used for storing a computer program;
the processor is used for executing the computer program stored in the memory so as to enable the terminal to execute the intelligent instrument data management method based on the cryptographic security algorithm according to any one of claims 1-3.
6. An intelligent instrument based on a national secret security algorithm, comprising:
the processing module is used for acquiring data of the intelligent instrument; the hash value used for calculating and acquiring the intelligent instrument data by adopting a cryptographic security algorithm SM 3; the digital signature is used for calculating and acquiring the hash value of the intelligent meter data by adopting a secret security algorithm SM 2; generating a data block conforming to a chain data structure of a block chain based on the intelligent instrument data, the hash value and the digital signature; for sending the data block to a blockchain platform over a blockchain data uplink interface.
7. The smart meter of claim 6, further comprising:
and the remote upgrading module is used for remotely upgrading each module of the intelligent instrument.
8. The smart meter of claim 6, further comprising:
and the interface of the external SIM card module or the eSIM communication module is used for realizing full-band communication.
9. The smart meter of claim 6, further comprising:
and the voltage detection module is used for detecting the power supply voltage and sending out a reminding signal when the power supply voltage is insufficient.
10. The smart meter of claim 6, further comprising: and the extended Flash storage module is used for storing and backing up the data of the intelligent instrument.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115051971A (en) * | 2022-06-29 | 2022-09-13 | 中国信息通信研究院 | Energy consumption monitoring method and device based on active identification technology |
| CN117202174A (en) * | 2023-01-31 | 2023-12-08 | 杭州水务数智科技股份有限公司 | Low-power-consumption water meter information transmission method based on encrypted wireless communication |
-
2020
- 2020-11-04 CN CN202011218686.3A patent/CN114444111A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115051971A (en) * | 2022-06-29 | 2022-09-13 | 中国信息通信研究院 | Energy consumption monitoring method and device based on active identification technology |
| CN117202174A (en) * | 2023-01-31 | 2023-12-08 | 杭州水务数智科技股份有限公司 | Low-power-consumption water meter information transmission method based on encrypted wireless communication |
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