CN112858992A - Method, device and system for searching circuit breaker behind meter based on electric energy meter - Google Patents
Method, device and system for searching circuit breaker behind meter based on electric energy meter Download PDFInfo
- Publication number
- CN112858992A CN112858992A CN202011633910.5A CN202011633910A CN112858992A CN 112858992 A CN112858992 A CN 112858992A CN 202011633910 A CN202011633910 A CN 202011633910A CN 112858992 A CN112858992 A CN 112858992A
- Authority
- CN
- China
- Prior art keywords
- meter
- electric energy
- data
- energy meter
- behind
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000004891 communication Methods 0.000 claims description 11
- 238000012545 processing Methods 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 9
- 238000004590 computer program Methods 0.000 description 7
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 230000003993 interaction Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a method, equipment and a system for searching a post-meter circuit breaker based on an electric energy meter, and belongs to the technical field of intelligent electric energy meters. The method comprises the following steps: the electric energy meter receives the data in a wired mode and a wireless mode, and the equipment behind the meter generates coded data; the electric energy meter analyzes the coded data received in a wired mode according to the variable quantity of the metering data to obtain analyzed data, the coded data received in a wireless mode are compared with the analyzed data, and if the comparison result is the same, the electric energy meter is judged to be successfully matched with the meter rear equipment; and after the matching is successful, judging that the equipment behind the meter is a circuit breaker behind the meter of the electric energy meter. According to the invention, on the premise of not increasing the hardware cost of the electric energy meter, the circuit breaker behind the meter can be automatically found by using the metering data of the electric energy meter; the invention has the advantages of high reliability, low cost, simple realization and strong practicability.
Description
Technical Field
The invention relates to the technical field of intelligent electric energy meters, in particular to a method, equipment and a system for searching a circuit breaker behind a meter based on an electric energy meter.
Background
When the electric energy meter is used for the first time, data interaction is required to be carried out with the meter rear equipment, the intelligent electric meter integrated with weak current electronics can realize data interaction, but the intelligent electric meter is complex in structure, needs to realize data interaction with the help of a weak current terminal, and is not suitable for a multi-core modularized intelligent electric meter.
The new generation of multi-core modular intelligent electric meter cancels a weak current terminal, needs to obtain a breaker address behind the meter to realize Bluetooth connection when being used for the first time, and needs additional equipment and more manual operations when adopting a code scanning mode to write in the address, thereby greatly improving the installation cost and the error probability. How to realize the communication of the multi-core modularized intelligent electric meter without the weak current terminal is a technical problem to be solved urgently.
Disclosure of Invention
In order to solve the problems, the invention provides a method for searching a circuit breaker behind a meter based on an electric energy meter, which comprises the following steps:
the electric energy meter receives the data in a wired mode and a wireless mode, and the equipment behind the meter generates coded data;
the electric energy meter analyzes the coded data received in a wired mode according to the variable quantity of the metering data to obtain analyzed data, the coded data received in a wireless mode are compared with the analyzed data, and if the comparison result is the same, the electric energy meter is judged to be successfully matched with the meter rear equipment;
and after the matching is successful, judging that the equipment behind the meter is a circuit breaker behind the meter of the electric energy meter.
Optionally, if the comparison result is different, the wireless communication address of the device behind the meter is output, and the circuit breaker behind the meter of the electric energy meter is determined according to the wireless communication address.
Optionally, the device behind the watch generates the code according to a preset rule by using a power device, and transmits the same group of data through bluetooth broadcast.
Optionally, the electric energy meter receives the equipment behind the table and sends same group of data through the bluetooth broadcast, obtains the analytic data of bluetooth broadcast according to the variable analysis of measurement data to scan the bluetooth broadcast through bluetooth module on the electric energy meter and obtain the broadcast data, compare the analytic data and the broadcast data of bluetooth broadcast, obtain the comparison result, if the comparison result is the same, then judge that the bluetooth is circuit breaker bluetooth behind the table.
The invention also provides an electric energy meter device, comprising:
the receiving unit receives the coded data generated by the equipment behind the table in a wired and wireless mode;
and the processing unit analyzes the coded data received in a wired mode according to the measurement data variation to obtain analyzed data, compares the coded data received in a wireless mode with the analyzed data to obtain a comparison result, and judges that the electric energy meter and the post-meter equipment are successfully analyzed if the comparison result is the same.
The invention also provides an internet of things communication system, which comprises:
the electric energy meter comprises meter back equipment, meter back equipment and electric energy meter, wherein the meter back equipment generates coded data and sends the coded data to the electric energy meter in a wired mode and a wireless mode;
the electric energy meter analyzes the coded data received in a wired mode according to the variable quantity of the metering data to obtain analyzed data, compares the coded data received in a wireless mode with the analyzed data, and judges that the electric energy meter is successfully matched with the meter rear equipment if the comparison result is the same.
According to the invention, on the premise of not increasing the hardware cost of the electric energy meter, the circuit breaker behind the meter can be automatically found by using the metering data of the electric energy meter; the invention has the advantages of high reliability, low cost, simple realization and strong practicability.
Drawings
FIG. 1 is a flow chart of a method of finding a post-meter circuit breaker based on an electric energy meter in accordance with the present invention;
fig. 2 is a structural diagram of an internet of things communication system according to the present invention.
Detailed Description
The exemplary embodiments of the present invention will now be described with reference to the accompanying drawings, however, the present invention may be embodied in many different forms and is not limited to the embodiments described herein, which are provided for complete and complete disclosure of the present invention and to fully convey the scope of the present invention to those skilled in the art. The terminology used in the exemplary embodiments illustrated in the accompanying drawings is not intended to be limiting of the invention. In the drawings, the same units/elements are denoted by the same reference numerals.
Unless otherwise defined, terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Further, it will be understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense.
The invention provides a method for searching a post-meter circuit breaker based on an electric energy meter, which comprises the following steps of:
the electric energy meter receives the data in a wired mode and a wireless mode, and the equipment behind the meter generates coded data;
the electric energy meter analyzes the coded data received in a wired mode according to the variable quantity of the metering data to obtain analyzed data, the coded data received in a wireless mode are compared with the analyzed data, and if the comparison result is the same, the electric energy meter is judged to be successfully matched with the meter rear equipment;
and after the matching is successful, judging that the equipment behind the meter is a circuit breaker behind the meter of the electric energy meter.
And if the comparison result is different, outputting the wireless communication address of the equipment behind the meter, and determining the circuit breaker behind the meter of the electric energy meter according to the wireless communication address.
Wherein the post-table device generates a code in a preset rule using a power device and transmits the same set of data through bluetooth broadcasting.
The electric energy meter receives the same group of data sent by the meter rear equipment through the Bluetooth broadcast, analyzes the analytic data of the Bluetooth broadcast according to the variable quantity of the metering data, scans the Bluetooth broadcast through the Bluetooth module on the electric energy meter to acquire the broadcast data, compares the analytic data and the broadcast data of the Bluetooth broadcast to acquire a comparison result, and judges that the Bluetooth is the meter rear circuit breaker Bluetooth if the comparison result is the same.
According to the invention, on the premise of not increasing hardware cost of the electric energy meter, the electric energy meter metering data can be used for automatically searching the circuit breaker behind the meter, the equipment behind the meter uses a power device to generate codes according to a certain rule, the same group of data is sent through Bluetooth broadcasting, the electric energy meter analyzes correct data according to the change of the metering data, the Bluetooth broadcasting is scanned through a Bluetooth module on the electric energy meter, the two groups of data obtained from the two ways are compared, and the Bluetooth with the same data is the Bluetooth of the circuit breaker behind the meter.
To facilitate sending data in a plurality of different formats, the behind-the-watch device includes a behind-the-watch circuit breaker; the circuit breaker behind the meter is integrated with a power device and a Bluetooth module; and the rear breaker of the meter is connected with the electric energy meter.
In step S1, the specific implementation process of sending the encoded data to the electric energy meter in a wired or wireless manner includes: the breaker modulation coded data behind the table is to the power line, carries out the bluetooth broadcast by the bluetooth module of breaker behind the table simultaneously to send the same coded data of specific format, utilize power line and bluetooth module to realize data transmission, with low costs, the transmission is reliable.
The specific implementation process of step S2 includes: the electric energy meter demodulates the coded data, meanwhile, a Bluetooth module of the electric energy meter scans Bluetooth broadcasting, the demodulated coded data are compared with specific format data in the Bluetooth broadcasting, and if the comparison results are the same, a circuit breaker Bluetooth module behind the Bluetooth broadcasting corresponding meter is judged.
The data in the specific format of the Bluetooth broadcast comprises a broadcast message and a data message; the data message comprises an effective data part and an ineffective data part; and the data message represents the Bluetooth address of the circuit breaker behind the table.
The electric energy meter is integrated with a metering device, so that the metering data can be conveniently sampled.
Examples
The method for searching the post-meter circuit breaker by using the metering data of the electric energy meter comprises the following steps:
step 1: the circuit breaker behind the meter integrates a power device and a Bluetooth module, and is connected with the electric energy meter through a power line;
step 2: modulating the coded data to a power line by the circuit breaker behind the meter, and simultaneously carrying out Bluetooth broadcasting by a Bluetooth module of the circuit breaker behind the meter so as to send data with the same information and a specific format;
and step 3: sampling measurement data by an electric energy meter;
and 4, step 4: demodulating the encoded data (transmitted over the power line) by a (pre-set) software algorithm built into the electric energy meter; the embodiment adopts an OOK Amplitude Shift Keying (ASK) mode modulation and demodulation technology, belongs to a traditional coding and decoding algorithm, and outputs high-amplitude current when a code 1 needs to be sent; otherwise, when the code '0' is sent, no carrier current exists;
and 5: the electric energy meter obtains coded data sent by a circuit breaker behind the meter;
step 6: the Bluetooth module of the electric energy meter scans Bluetooth broadcast so as to compare the demodulated coded data with the specific format data in the Bluetooth broadcast packet;
and 7: and (2) judging whether the specific format data in the Bluetooth broadcast packet is matched with the coded data transmitted by the power line by the electric energy meter (management core of the electric energy meter), if so, judging that the matching is successful, otherwise, executing the step 1 again. In the invention, the matching judgment is to judge whether the information obtained by the power line is the same as the information obtained by the wireless Bluetooth, and the matching is carried out if the information is the same. And vice versa.
And 7, outputting the Bluetooth address of the breaker after the table if the matching is successful.
In steps 2, 6 and 7, the data in the specific format of the bluetooth broadcast packet includes a broadcast message and a data message.
Each bluetooth broadcast packet is 31 bytes, and the data packet includes a valid data portion (significant) and an invalid data portion (non-significant).
Wherein the valid data portion comprises a number of broadcast data units (AD structures).
Wherein each broadcast data unit includes a length (Len, indicating the length of this AD Structure), a Type (AD Type, marking what the piece of broadcast data represents, such as a device name, uuid, etc., data (AD data).
In other words, the data packet of the bluetooth broadcast packet may represent the bluetooth address of the circuit breaker behind the watch.
The method for searching the circuit breaker behind the meter by using the metering data of the electric energy meter has the technical key points and the working principle that the equipment behind the meter generates codes according to a certain rule by using a power device, simultaneously sends the same group of data through Bluetooth broadcasting, analyzes correct data according to the change of the metering data by the electric energy meter, scans the Bluetooth broadcasting through a Bluetooth module on the electric energy meter, compares the two groups of data obtained from the two ways, and the Bluetooth with the same data is the Bluetooth of the circuit breaker behind the meter.
The invention also provides an electric energy meter device, comprising:
the receiving unit receives the coded data generated by the equipment behind the table in a wired and wireless mode;
and the processing unit analyzes the coded data received in a wired mode according to the measurement data variation to obtain analyzed data, compares the coded data received in a wireless mode with the analyzed data to obtain a comparison result, and judges that the electric energy meter and the post-meter equipment are successfully analyzed if the comparison result is the same.
The present invention further provides an internet of things communication system, as shown in fig. 2, including:
the electric energy meter comprises meter back equipment, meter back equipment and electric energy meter, wherein the meter back equipment generates coded data and sends the coded data to the electric energy meter in a wired mode and a wireless mode;
the electric energy meter analyzes the coded data received in a wired mode according to the variable quantity of the metering data to obtain analyzed data, compares the coded data received in a wireless mode with the analyzed data, and judges that the electric energy meter is successfully matched with the meter rear equipment if the comparison result is the same.
According to the invention, on the premise of not increasing the hardware cost of the electric energy meter, the circuit breaker behind the meter can be automatically found by using the metering data of the electric energy meter; the invention has the advantages of high reliability, low cost, simple realization and strong practicability.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein. The scheme in the embodiment of the application can be implemented by adopting various computer languages, such as object-oriented programming language Java and transliterated scripting language JavaScript.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (6)
1. A method of finding a post-meter circuit breaker based on an electric energy meter, the method comprising:
the electric energy meter receives the data in a wired mode and a wireless mode, and the equipment behind the meter generates coded data;
the electric energy meter analyzes the coded data received in a wired mode according to the variable quantity of the metering data to obtain analyzed data, the coded data received in a wireless mode are compared with the analyzed data, and if the comparison result is the same, the electric energy meter is judged to be successfully matched with the meter rear equipment;
and after the matching is successful, judging that the equipment behind the meter is a circuit breaker behind the meter of the electric energy meter.
2. The method of claim 1, wherein if the comparison results are different, outputting a wireless communication address of the device behind the meter, and determining a circuit breaker behind the meter of the electric energy meter according to the wireless communication address.
3. The method of claim 1, wherein the post-table device generates codes in a preset rule using a power device and transmits the same set of data through bluetooth broadcasting.
4. The method of claim 1, wherein the electric energy meter receiving device sends the same group of data through Bluetooth broadcasting, analyzes and obtains the analyzed data of the Bluetooth broadcasting according to the variation of the metering data, scans the Bluetooth broadcasting through a Bluetooth module on the electric energy meter to obtain the broadcasting data, compares the analyzed data and the broadcasting data of the Bluetooth broadcasting to obtain a comparison result, and judges that the Bluetooth is the circuit breaker Bluetooth behind the meter if the comparison result is the same.
5. An electrical energy meter apparatus, the apparatus comprising:
the receiving unit receives the coded data generated by the equipment behind the table in a wired and wireless mode;
and the processing unit analyzes the coded data received in a wired mode according to the measurement data variation to obtain analyzed data, compares the coded data received in a wireless mode with the analyzed data to obtain a comparison result, and judges that the electric energy meter and the post-meter equipment are successfully analyzed if the comparison result is the same.
6. An internet of things communication system, the system comprising:
the electric energy meter comprises meter back equipment, meter back equipment and electric energy meter, wherein the meter back equipment generates coded data and sends the coded data to the electric energy meter in a wired mode and a wireless mode;
the electric energy meter analyzes the coded data received in a wired mode according to the variable quantity of the metering data to obtain analyzed data, compares the coded data received in a wireless mode with the analyzed data, and judges that the electric energy meter is successfully matched with the meter rear equipment if the comparison result is the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011633910.5A CN112858992A (en) | 2020-12-31 | 2020-12-31 | Method, device and system for searching circuit breaker behind meter based on electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011633910.5A CN112858992A (en) | 2020-12-31 | 2020-12-31 | Method, device and system for searching circuit breaker behind meter based on electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112858992A true CN112858992A (en) | 2021-05-28 |
Family
ID=76000163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011633910.5A Pending CN112858992A (en) | 2020-12-31 | 2020-12-31 | Method, device and system for searching circuit breaker behind meter based on electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112858992A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113791264A (en) * | 2021-09-08 | 2021-12-14 | 宁波迦南智能电气股份有限公司 | Encoding and decoding method based on external switch current of electric energy meter |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106504424A (en) * | 2016-10-13 | 2017-03-15 | 国网安徽省电力公司阜阳供电公司 | New Low Voltage three-phase takes prosecutor method through the integration of transformer long-distance intelligent |
| CN110687332A (en) * | 2019-11-11 | 2020-01-14 | 浙江巨磁智能技术有限公司 | Automatic pairing method for switch side active ammeter and circuit breaker |
| CN111190123A (en) * | 2019-12-31 | 2020-05-22 | 中国电力科学研究院有限公司 | Current coding method and system for pairing breaker and ammeter |
| CN111263342A (en) * | 2020-02-13 | 2020-06-09 | 宁波迦南智能电气股份有限公司 | Automatic pairing method for Bluetooth circuit breaker and electric energy meter |
| CN111263340A (en) * | 2020-01-17 | 2020-06-09 | 悦动智能电器有限公司 | Automatic pairing method for Bluetooth circuit breaker and electric energy meter |
| CN111325964A (en) * | 2020-03-11 | 2020-06-23 | 江阴长仪集团有限公司 | Wireless module for intelligent electric energy meter and automatic code pairing method |
| CN111796145A (en) * | 2020-07-03 | 2020-10-20 | 山东德源电力科技股份有限公司 | Method and system for communication and control of external circuit breaker of electric energy meter |
| CN111812402A (en) * | 2020-06-29 | 2020-10-23 | 北京智芯微电子科技有限公司 | Intelligent electric meter and automatic connection method of circuit breaker and intelligent electric meter |
| CN212209370U (en) * | 2020-05-27 | 2020-12-22 | 北京中思新科电子科技有限公司 | Wireless communication external circuit breaker |
-
2020
- 2020-12-31 CN CN202011633910.5A patent/CN112858992A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106504424A (en) * | 2016-10-13 | 2017-03-15 | 国网安徽省电力公司阜阳供电公司 | New Low Voltage three-phase takes prosecutor method through the integration of transformer long-distance intelligent |
| CN110687332A (en) * | 2019-11-11 | 2020-01-14 | 浙江巨磁智能技术有限公司 | Automatic pairing method for switch side active ammeter and circuit breaker |
| CN111190123A (en) * | 2019-12-31 | 2020-05-22 | 中国电力科学研究院有限公司 | Current coding method and system for pairing breaker and ammeter |
| CN111263340A (en) * | 2020-01-17 | 2020-06-09 | 悦动智能电器有限公司 | Automatic pairing method for Bluetooth circuit breaker and electric energy meter |
| CN111263342A (en) * | 2020-02-13 | 2020-06-09 | 宁波迦南智能电气股份有限公司 | Automatic pairing method for Bluetooth circuit breaker and electric energy meter |
| CN111325964A (en) * | 2020-03-11 | 2020-06-23 | 江阴长仪集团有限公司 | Wireless module for intelligent electric energy meter and automatic code pairing method |
| CN212209370U (en) * | 2020-05-27 | 2020-12-22 | 北京中思新科电子科技有限公司 | Wireless communication external circuit breaker |
| CN111812402A (en) * | 2020-06-29 | 2020-10-23 | 北京智芯微电子科技有限公司 | Intelligent electric meter and automatic connection method of circuit breaker and intelligent electric meter |
| CN111796145A (en) * | 2020-07-03 | 2020-10-20 | 山东德源电力科技股份有限公司 | Method and system for communication and control of external circuit breaker of electric energy meter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113791264A (en) * | 2021-09-08 | 2021-12-14 | 宁波迦南智能电气股份有限公司 | Encoding and decoding method based on external switch current of electric energy meter |
| CN113791264B (en) * | 2021-09-08 | 2022-08-16 | 宁波迦南智能电气股份有限公司 | Encoding and decoding method based on external switch current of electric energy meter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1040932C (en) | Standby power saving in mobile phones | |
| CN105677686B (en) | A kind of road codes method and device | |
| CN103428830A (en) | Wireless communication system and method | |
| JP6318240B2 (en) | Visible light signal transmission / reception processing method, transmission terminal / reception terminal, and system | |
| CN103200058B (en) | Data processing method, telegon and node device | |
| CN104463061A (en) | Data transmission system and method under unreliable network connection | |
| CN112858992A (en) | Method, device and system for searching circuit breaker behind meter based on electric energy meter | |
| Tchamkerten et al. | Communication under strong asynchronism | |
| CN107306251B (en) | Information authentication method and gateway equipment | |
| CN103312458B (en) | Hybrid coding method | |
| CN112152825B (en) | Multi-stage module upgrading method and device for household appliance and electronic equipment | |
| CN112803950A (en) | Data compression method, device and equipment and computer storage medium | |
| CN202650073U (en) | Transaction system and dynamic token | |
| CN115022418A (en) | Data interaction method, device and system for electric power-assisted bicycle and storage medium | |
| CN111800360B (en) | FSK software decoding method based on frequency identification | |
| CN101478376A (en) | Receiving method for satellite transmitted disaster pre-alarm information | |
| CN111179069B (en) | High-speed data clearing method and device based on block chain | |
| CN105071974B (en) | The method and command terminal of command terminal command and management based on RDSS | |
| CN111586035A (en) | Hash operation service method and system for block chain mining machine | |
| CN107994970B (en) | General data decoding method based on ARINC429 bus communication | |
| CN1976264A (en) | Long-distance monitoring method and system based on short message | |
| CN109548016A (en) | Signal transmission method for preventing signal interference | |
| CN104637540A (en) | Receiving circuit, realization method of receiving circuit and IC (integrated circuit) card | |
| Gan et al. | High-speed Molecular Communication Testbed with Liquid Pipeline Channel | |
| CN114285734B (en) | Communication monitoring system of transmission line based on optical cable splice box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |