CN207164102U - A kind of intelligent electric energy meter for supporting duplex agreement - Google Patents
A kind of intelligent electric energy meter for supporting duplex agreement Download PDFInfo
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- CN207164102U CN207164102U CN201720966023.7U CN201720966023U CN207164102U CN 207164102 U CN207164102 U CN 207164102U CN 201720966023 U CN201720966023 U CN 201720966023U CN 207164102 U CN207164102 U CN 207164102U
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Abstract
A kind of intelligent electric energy meter for supporting duplex agreement, it is related to a kind of electric energy meter, the electric energy meter includes main control module, power management module, metering sampling module, memory module, LCD MODULE, ESAM authentication modules, RS485 communication modules, infrared module, carrier communication module；Main control module includes CPU, data storage, program memory elements；Power management module is connected with main control module by power bus；Metering sampling module is connected by spi bus with main control module；LCD MODULE is connected by display interface with main control module；ESAM authentication modules are connected by spi bus with main control module；RS485 communication modules are connected by UART communication bus with main control module.Both can the compatible agreements of DT/L645 2007 in the past, and can supports the electric energy meter of the emerging agreement of object-oriented 698, accomplishes that multi-protocols are integrated in one piece of ammeter, compatibility is higher, avoids the wasting of resources and sustainable development.
Description
Technical field
The application is related to a kind of electric energy meter with communication function, is more specifically a kind of intelligence for supporting duplex agreement
Electric energy meter.
Background technology
With the continuous development of electric energy meter industry, the construction of intelligent grid, the communications protocol for adapting to new intelligent grid is existed
Constantly update and it is perfect, each department to different agreement need be it is diversified, the old and new renewal contradictory problems become increasingly conspicuous.
So to adapt to development, it is necessary to it is a both can compatible DT/L645-2007 agreements in the past, the emerging face of and can support
To the electric energy meter of the agreement of object 698, accomplish that multi-protocols are integrated in one piece of ammeter, compatibility is higher, avoids the wasting of resources from holding again
Supervention exhibition.
The content of the invention
The purpose of the application is to provide a kind of intelligent electric energy meter for supporting duplex agreement, can not be simultaneous to solve above-mentioned scene
The problem of holding multi-communication agreement.Both can compatible DT/L645-2007 agreements in the past, the emerging object-oriented of and can support
The electric energy meter of 698 agreements, accomplish that multi-protocols are integrated in one piece of ammeter, compatibility is higher, avoids wasting of resources sustainable development again.
The purpose of the application is achieved through the following technical solutions：
A kind of intelligent electric energy meter for supporting duplex agreement, the electric energy meter include main control module, power management module, meter
Amount sampling module, memory module, LCD MODULE, ESAM authentication modules, RS485 communication modules, infrared module, carrier wave lead to
Believe module；Main control module includes the elements such as CPU, data storage, program storage；Power management module passes through with main control module
Power bus connects；Metering sampling module is connected by SPI buses with main control module；LCD MODULE passes through display interface
It is connected with main control module；ESAM authentication modules are connected by SPI buses with main control module；RS485 communication modules are led to by UART
Letter bus is connected with main control module；The infrared communication frequency of infrared module is 38KHz, is connected by UART buses and main control module
Connect；Main control module is connected with carrier communication module by UART buses；Memory module is connected by SPI buses and main control module
Connect.
The electric energy meter of the application includes communication module, protocol identification system, DL/T645-2007 protocol processing systems and face
To the protocol processing system of object 698.Communication module can receive and send communication frame data, and protocol identification system can be according to reception
To data frame format judge communications protocol used, after judging received communications protocol, pass through corresponding association
Processing system processing data is discussed, and response frame is sent by communication module with corresponding communications protocol.So far complete to communicate and cut
Change to data receiver pattern, next frame data to be received.
Compared with prior art, it is the advantages of the application：
（1）With 698 pairs of agreement autonomous classifications of DT/L645-2007 and object-oriented, adaptive site environment.
（2）Compatible existing wide variety of DT/L645-2007 agreements, without changing existing auxiliary facility, seamless transitions
To the agreement of object-oriented 698, remove the input for changing hardware from.
（3）It is completely the same with existing electric energy meter structure, it can directly substitute existing electric energy meter.
（4）Double agreements share a set of communication module and cache module, save manufacturing cost.
（5）Double agreements support the multiple communication modes such as RS485, infrared, carrier wave.
（6）The communication interface such as RS485, infrared, carrier wave can simultaneous communications, do not interfere with each other independently.
Brief description of the drawings
Fig. 1 is the hardware composition structural representation of the application；
Fig. 2 is the program flow diagram of the application.
Embodiment
Below by drawings and examples, the technical scheme of the embodiment of the present application is described in further detail.
A kind of intelligent electric energy meter for supporting duplex agreement, shown in reference picture 1, including CPU main control modules, power management mould
Block, metering sampling module, memory module, LCD MODULE, ESAM authentication modules, RS485 communication modules, infrared module,
Carrier communication module.
The circuit structure of the application is as shown in figure 1, main control module is the kernel control module of electric energy meter, including CPU, data
The elements such as memory, program storage, the operation of whole electric energy meter is controlled, the scheduling of responsible task, the processing of data, data
Read-write etc.；Power management module is mainly responsible for electric energy meter and provides stable power supply output, including main power source and stand-by power supply, electricity
Source control module is connected with main control module by power bus；Metering sampling module is responsible for the function of measuring of electric energy meter, and passes through
The data of collection are transferred to main control module by spi bus；Display module is responsible for the display of electric energy surface and interface；ESAM encrypting modules
It is responsible for the authentication of electric energy meter, and generates the random number of encryption and decryption；RS485 communication modules are led to up acquisition system
The connection of RS485 buses is crossed, is responsible for the communication work with acquisition system, is connected by UART communication bus with main control module；It is infrared
Module is responsible for the infrared communication function of electric energy meter, and infrared communication frequency is 38KHz, is connected by UART buses with main control module；
Carrier communication module is responsible for the carrier communication function of electric energy meter, and carrier module is connected by UART communication bus with main control module；
Memory module is responsible for the data storage of electric energy meter, is connected by spi bus with main control module.
The program circuit of the application is as shown in Fig. 2 the communication module that electric energy meter includes, protocol identification system, DL/T645-
2007 protocol processing systems and the protocol processing system of object-oriented 698.Communication module can receive and send communication frame data, association
View identifying system can judge communications protocol used according to the data frame format received, judge received communication association
After view, by corresponding protocol processing system processing data, and sent and responded by communication module with corresponding communications protocol
Frame.So far complete to communicate and be switched to data receiver pattern, next frame data to be received.To reach above-mentioned purpose, the application's
Technical scheme mainly has following flow：
Step 1：A frame data are received from data feedback channel；
Step 2：Frame format identification is carried out by communications protocol identifier, judges communications protocol；
Step 3：Carry out the validity of data analysis judgment frame；
Step 4：Data processing is carried out by protocol process module；
Step 5：Data are carried out by communication module and are sent completely communication, and are switched to data receiver pattern.
The exemplary embodiment of the present invention is the foregoing is only, all equivalent substitutions carried out under the scope of the present invention or is changed
Enter, should be included in the scope of the protection.
Claims (2)
1. a kind of intelligent electric energy meter for supporting duplex agreement, it is characterised in that the electric energy meter includes main control module, power supply pipe
Manage module, metering sampling module, memory module, LCD MODULE, ESAM authentication modules, RS485 communication modules, infrared mould
Block, carrier communication module；Main control module includes CPU, data storage, program memory elements；Power management module and master control
Module is connected by power bus；Metering sampling module is connected by SPI buses with main control module；LCD MODULE passes through
Display interface is connected with main control module；ESAM authentication modules are connected by SPI buses with main control module；RS485 communication modules are led to
UART communication bus is crossed to be connected with main control module；The infrared communication frequency of infrared module is 38KHz, passes through UART buses and master
Control module connection；Main control module is connected with carrier communication module by UART buses；Memory module passes through SPI buses and master
Control module connection.
A kind of 2. intelligent electric energy meter for supporting duplex agreement according to claim 1, it is characterised in that the electric energy meter
Include communication module, protocol identification system, DL/T645-2007 protocol processing systems and the protocol processing system of object-oriented 698.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720966023.7U CN207164102U (en) | 2017-08-04 | 2017-08-04 | A kind of intelligent electric energy meter for supporting duplex agreement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720966023.7U CN207164102U (en) | 2017-08-04 | 2017-08-04 | A kind of intelligent electric energy meter for supporting duplex agreement |
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| Publication Number | Publication Date |
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| CN207164102U true CN207164102U (en) | 2018-03-30 |
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| CN201720966023.7U Active CN207164102U (en) | 2017-08-04 | 2017-08-04 | A kind of intelligent electric energy meter for supporting duplex agreement |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738696A (en) * | 2019-02-28 | 2019-05-10 | 江苏海恩德电气有限公司 | Remote bill control ammeter and working method based on independent duplex |
| CN110441595A (en) * | 2019-04-23 | 2019-11-12 | 浙江八达电子仪表有限公司 | Three-phase intelligent electric-energy meter based on AC-DC high frequency conversion power supply |
| CN110873820A (en) * | 2018-08-31 | 2020-03-10 | 宁波三星智能电气有限公司 | Object-oriented intelligent electric energy meter display method |
-
2017
- 2017-08-04 CN CN201720966023.7U patent/CN207164102U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110873820A (en) * | 2018-08-31 | 2020-03-10 | 宁波三星智能电气有限公司 | Object-oriented intelligent electric energy meter display method |
| CN110873820B (en) * | 2018-08-31 | 2022-04-26 | 宁波三星智能电气有限公司 | Object-oriented intelligent electric energy meter display method |
| CN109738696A (en) * | 2019-02-28 | 2019-05-10 | 江苏海恩德电气有限公司 | Remote bill control ammeter and working method based on independent duplex |
| CN110441595A (en) * | 2019-04-23 | 2019-11-12 | 浙江八达电子仪表有限公司 | Three-phase intelligent electric-energy meter based on AC-DC high frequency conversion power supply |
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Effective date of registration: 20191014 Granted publication date: 20180330 |
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Date of cancellation: 20221014 Granted publication date: 20180330 |
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Effective date of registration: 20221014 Granted publication date: 20180330 |