CN203037733U - Single-phase electric energy meter realized by and based on ADE7755 - Google Patents
Single-phase electric energy meter realized by and based on ADE7755 Download PDFInfo
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- CN203037733U CN203037733U CN 201320012388 CN201320012388U CN203037733U CN 203037733 U CN203037733 U CN 203037733U CN 201320012388 CN201320012388 CN 201320012388 CN 201320012388 U CN201320012388 U CN 201320012388U CN 203037733 U CN203037733 U CN 203037733U
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- energy meter
- ade7755
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Abstract
The utility model provides a single-phase electric energy meter realized by and based on ADE7755, and the meter comprises two wire inlets respectively connected with a live line and a zero line, a control module, a sampling module for providing power parameters to the control module and a display module for displaying electric energy parameters, wherein the sampling module employs an ADE7755 chip and a sampling circuit connected with the ADE7755 chip, the sampling circuit comprises a current transformer and a voltage transducer, and the electric energy meter is also provided with a communication module, and the communication module employs a communication interface based on MODBUS-RTU protocol. The single-phase electric energy meter realized by and based on ADE7755 uses the communication interface employing the MODBUS-RTU protocol to realize on-site data checking through an intelligent terminal in field, simultaneously the data can be checked without passing background, and the data in the electric energy meter can be directly read.
Description
Technical field
The utility model is specifically related to a kind of single-phase electric energy meter.
Background technology
Single-phase electric energy meter refers to measure the instrument of various electrical quantities, existing single-phase electric energy meter, because can show total accumulative total electric flux, can the forward and reverse meritorious electric weight of accurate measurement, the functions such as normal line that have a power failure, and be usually used in family's power energy monitoring and controlling, but present single-phase electric energy meter is used for family's power energy monitoring and controlling, when needs are checked data at the scene, need cause the waste on the resource by carrying out data transmission by special background server and checking.
The utility model content
In order to solve the deficiency of above-mentioned technology, the purpose of this utility model provides a kind of single-phase electric energy meter of realizing based on ADE7755, and it has solved present electric energy meter need be equipped with the deficiency that special background server could realize that field data is checked.
The technical scheme that its technical matters that solves the utility model adopts is:
A kind of single-phase electric energy meter of realizing based on ADE7755, it comprises two incoming lines that connect live wire and zero line respectively, control module, is used for providing the sampling module of power parameter and the display module that is used for showing electrical energy parameter to control module, the sample circuit that described sampling module adopts the ADE7755 chip and is connected with the ADE7755 chip, described sample circuit comprises current transformer and voltage sensor, described electric energy meter is provided with communication module, and described communication module adopts the communication interface based on the MODBUS-RTU agreement.
Described single-phase electric energy meter is provided with the load module of checking instruction for input, and described load module comprises the input button, and described load module is connected with control module.
Described display module comprises LCDs.
The beneficial effects of the utility model are, being implemented in the scene by the communication interface that adopts the MODBUS-RTU agreement can carry out present data by intelligent terminal and check, do not need through the backstage when data are checked carrying out simultaneously, can directly read the data in the electric energy meter.
Description of drawings
Fig. 1 is logical organization synoptic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is further specified:
Referring to Fig. 1, comprise two incoming lines that connect live wire and zero line respectively, control module 1, be used for providing the sampling module 2 of power parameter and the display module 5 that is used for showing electrical energy parameter to control module 1, the sample circuit that described sampling module 2 adopts ADE7755 chip 23 and is connected with ADE7755 chip 23, described sample circuit comprises current transformer 21 and voltage sensor 22, described electric energy meter is provided with communication module 4, the communication interface that described communication module 4 adopts based on the MODBUS-RTU agreement.
Described single-phase electric energy meter is provided with the load module 3 of checking instruction for input, and described load module 3 comprises the input button, and described load module 3 is connected with control module 1.
Described display module 5 comprises LCDs.
ADE7755 chip 23 is a high precision electric energy metrical IC that are applicable to the single phase distribution system, it can provide instantaneous active power and average active power based on bus voltage and electric current calculating, this device standard surpasses the accuracy requirement of IEC61036 standard code, the unique mimic channel that uses in the ADE7755 chip 23 is ADC and reference voltage circuit, all other signals are handled (for example multiplication and filtering) and are all realized at numeric field, the sort signal disposal route can change with environmental baseline and time very on a large scale in excellent stability and precision is provided.Adopt ADE7755 chip 23 can make electric energy meter under harsh environmental conditions, still can keep high accuracy and long-time stability, satisfy the service precision that requires of present electric energy meter, avoid owing to stability and the accuracy of extra current interference to electric energy meter impacts.
The utility model is provided with load module 3, and load module 3 adopts the input button, by input button input control order, makes control module 1 carry out data call according to steering order, the data that requirement is checked according to steering order, and be presented at LCDs.
The utility model is provided with communication module 4, the communication interface that described communication module 4 adopts based on the MODBUS-RTU agreement, the MODBUS-RTU agreement refers to use the master-slave response formula to connect (half-duplex) at a connection, and this meaning signal on an independent connection transmits along opposite both direction.At first, the signal of principal computer is addressed to a unique terminal device (slave), and then, the opposite direction of answer signal instrument that terminal device sends is transferred to main frame.This communication interface adopts industrial widely used MODBUS-RTU communications protocol, the user only needs can use any serial communication software to realize inquiry and the setting of data according to this communications protocol, therefore can realize direct connection between electric energy meter and the common mobile intelligent terminal by this mode, and do not need special mobile intelligent terminal to call the data of current electric energy meter by the background computer of special setting, be easy to use.
Embodiment should not be considered as restriction of the present utility model, but any improvement of doing based on spirit of the present utility model, all should be within protection domain of the present utility model.
Claims (3)
1. single-phase electric energy meter of realizing based on ADE7755, it comprises two incoming lines that connect live wire and zero line respectively, control module (1), be used for providing the sampling module (2) of power parameter and the display module (6) that is used for showing electrical energy parameter to control module, it is characterized in that: the sample circuit that described sampling module (2) adopts ADE7755 chip (23) and is connected with ADE7755 chip (23), described sample circuit comprises current transformer (22) and voltage sensor (21), described electric energy meter is provided with communication module (5), and described communication module (5) adopts the communication interface based on the MODBUS-RTU agreement.
2. the single-phase electric energy meter of realizing based on ADE7755 according to claim 1, it is characterized in that, described single-phase electric energy meter is provided with the load module of checking instruction for input, and described load module (3) comprises the input button, and described load module (3) is connected with control module (1).
3. the single-phase electric energy meter of realizing based on ADE7755 according to claim 1 is characterized in that described display module (6) comprises LCDs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320012388 CN203037733U (en) | 2013-01-10 | 2013-01-10 | Single-phase electric energy meter realized by and based on ADE7755 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320012388 CN203037733U (en) | 2013-01-10 | 2013-01-10 | Single-phase electric energy meter realized by and based on ADE7755 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203037733U true CN203037733U (en) | 2013-07-03 |
Family
ID=48689844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320012388 Expired - Lifetime CN203037733U (en) | 2013-01-10 | 2013-01-10 | Single-phase electric energy meter realized by and based on ADE7755 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203037733U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110568392A (en) * | 2018-06-05 | 2019-12-13 | 北京科奥德耐技术发展有限公司 | on-spot check gauge of metering device |
-
2013
- 2013-01-10 CN CN 201320012388 patent/CN203037733U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110568392A (en) * | 2018-06-05 | 2019-12-13 | 北京科奥德耐技术发展有限公司 | on-spot check gauge of metering device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160704 Address after: 337000 Jiangxi city of Pingxiang province Chishan Industrial Park Patentee after: JIANGXI HJATIS POWER INDUSTRY Co.,Ltd. Address before: 325604, Jetta road 84, Liushi Town, Wenzhou, Zhejiang, Yueqing Patentee before: ZHEJIANG HUAJIAN ELECTRONIC TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130703 |