CN202351356U - Intelligent electric measurement and control instrument - Google Patents
Intelligent electric measurement and control instrument Download PDFInfo
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- CN202351356U CN202351356U CN2011205439163U CN201120543916U CN202351356U CN 202351356 U CN202351356 U CN 202351356U CN 2011205439163 U CN2011205439163 U CN 2011205439163U CN 201120543916 U CN201120543916 U CN 201120543916U CN 202351356 U CN202351356 U CN 202351356U
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Abstract
An intelligent electric measurement and control instrument is characterized by including a signal acquisition part, a data processing module, a display module, a communication interface circuit and a power source module, wherein the signal acquisition part includes a current transformer and/or a voltage transformer, a signal amplification circuit and an AD (alternate current to direct current) conversion circuit; a signal is acquired and isolated by the current transformer and/or the voltage transformer, and is transmitted to the AD conversion circuit for signal conversion after being amplified by the signal amplification circuit; the data processing module receives the data formed through signal conversion by the AD conversion circuit, and processes the data; the display module is connected with the data processing module and displays a measured electric parameter processed by the data processing module; and the communication interface circuit is connected with the data processing module and used for uploading to a remote end monitor all data processed by the data processing module in real time. The intelligent electric measurement and control instrument has high accuracy and reliability, is fast in processing data, and displays the electric parameter in real time.
Description
Technical field
The utility model relates to a kind of electric instrument, especially the intelligent electric power measure and control instrument.
Background technology
Along with rapid economic development of China; The reliability of raising industrial automation using electricity system and the demand of steadiness are increasingly high; The application of intelligent intelligent electric power measure and control instrument is very extensive; Not only the function of remote measurement, remote signalling, remote control, remote regulating can be provided for the user, and can detect user's the electricity quality of using, for user's the power quality analysis of doing provides accurate data.
But existing intelligent electric power measure and control instrument precision and reliability be not very high, data processing speed is slow, shows that the parameters of electric power mode is single.
The utility model content
In order to overcome the shortcoming that above-mentioned prior art exists, the purpose of the utility model is to provide a kind of intelligent electric power measure and control instrument, and its precision and reliability are all high, data processing speed shows electrical quantity soon, in real time.
In order to address the above problem, the utility model adopts following technical scheme: the intelligent electric power measure and control instrument comprises:
The signals collecting part comprises current transformer and/or voltage transformer (VT), signal amplification circuit, A/D convertor circuit; Described current transformer and/or voltage transformer (VT) acquired signal are also isolated after transfer to described A/D convertor circuit after the amplification of described signal amplification circuit and are carried out conversion of signals;
Data processing module receives said A/D convertor circuit and carries out the data that form after the conversion of signals, and data are handled;
Display module is connected with said data processing module; Show the electrical quantity of measuring after data processing module is handled;
The communication interface circuit is connected with said data processing module; Be used for uploading all data after data processing module is handled in real time to the remote monitoring machine;
Also comprise power module.
Further technical scheme as the utility model:
In this intelligent electric power measure and control instrument, described power module is provided with the output of 3 road direct currents, is respectively 5V, 8V, 24V.
In this intelligent electric power measure and control instrument, said data processing module adopts 32 bit processors.
In this intelligent electric power measure and control instrument, described display module adopts the TFT color screen.
In this intelligent electric power measure and control instrument, described communication interface is 485 communication interface circuit.
The beneficial effect of the utility model is: its precision and reliability are all high, data processing speed shows electrical quantity soon, in real time.This intelligent electric power measure and control instrument is based on high performance 32 embedded processor platform; The high-speed AD synchronized sampling; Adopt the data processing algorithm of advanced high reliability, realize 2-31 subharmonic content analysis and high-precision electric energy metrical function, platform has the function that large-capacity data storage power down is not lost; And be furnished with large-screen lc or the charactron or the TFT display mode of simple to operation and wide temperature working range, adapt to the various distribution occasions of using.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is done further explanation:
Fig. 1 is the circuit structure block diagram of the utility model embodiment.
Embodiment
As shown in Figure 1, this intelligent electric power measure and control instrument comprises signals collecting part, data processing module, display module, communication interface circuit, power module.
Its signals collecting part comprises current transformer and/or voltage transformer (VT), signal amplification circuit, A/D convertor circuit; Described current transformer and/or voltage transformer (VT) acquired signal are also isolated after transfer to described A/D convertor circuit after the amplification of described signal amplification circuit and are carried out conversion of signals.
Data processing module receives said A/D convertor circuit and carries out the data that form after the conversion of signals, and data are handled.
Display module is connected with said data processing module; Show the electrical quantity of measuring after data processing module is handled.
The communication interface circuit is connected with said data processing module; Be used for uploading all data after data processing module is handled in real time to the remote monitoring machine.
In this intelligent electric power measure and control instrument, described power module is provided with the output of 3 road direct currents, is respectively 5V, 8V, 24V.The 5V power supply is used for data processing module, signal amplification circuit power supply, and the 8V power supply is used for 485 communications power supply.3 road power supplys are independent, and isolation voltage is greater than 1500V.
In this intelligent electric power measure and control instrument, said data processing module adopts 32 bit processors.Sample with 64 points/cycle, sampled point is carried out the quick computing of FFT Fourier, suppressed the interference that the scene produces higher hamonic wave owing to the complicacy of load.
In this intelligent electric power measure and control instrument, described display module adopts the TFT color screen.The real-time curve that can show the operation power parameter in real time, constitutional diagram etc. have made things convenient for checking and the historical data faults analysis of user real time data.
In this intelligent electric power measure and control instrument, described communication interface is 485 communication interface circuit.Typical half duplex communication mode is adopted in 485 communications, can upload all measured data of instrument in real time, and the coupled computer background monitoring has improved user's the efficiency of management, has also improved the speed of failure response and eliminating simultaneously.
Claims (5)
1. the intelligent electric power measure and control instrument is characterized in that, comprising:
The signals collecting part comprises current transformer and/or voltage transformer (VT), signal amplification circuit, A/D convertor circuit; Described current transformer and/or voltage transformer (VT) acquired signal are also isolated after transfer to described A/D convertor circuit after the amplification of described signal amplification circuit and are carried out conversion of signals;
Data processing module receives said A/D convertor circuit and carries out the data that form after the conversion of signals, and data are handled;
Display module is connected with said data processing module; Show the electrical quantity of measuring after data processing module is handled;
The communication interface circuit is connected with said data processing module; Be used for uploading all data after data processing module is handled in real time to the remote monitoring machine;
Also comprise power module.
2. intelligent electric power measure and control instrument according to claim 1 is characterized in that: described power module is provided with the output of 3 road direct currents, is respectively 5V, 8V, 24V.
3. intelligent electric power measure and control instrument according to claim 1 is characterized in that: said data processing module adopts 32 bit processors.
4. intelligent electric power measure and control instrument according to claim 1 is characterized in that: described display module adopts the TFT color screen.
5. intelligent electric power measure and control instrument according to claim 1 is characterized in that: described communication interface is 485 communication interface circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205439163U CN202351356U (en) | 2011-12-22 | 2011-12-22 | Intelligent electric measurement and control instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205439163U CN202351356U (en) | 2011-12-22 | 2011-12-22 | Intelligent electric measurement and control instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202351356U true CN202351356U (en) | 2012-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205439163U Expired - Fee Related CN202351356U (en) | 2011-12-22 | 2011-12-22 | Intelligent electric measurement and control instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202351356U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103366256A (en) * | 2013-07-25 | 2013-10-23 | 武汉三力通信有限责任公司 | Energy consumption monitoring and evaluating system |
| CN103631690A (en) * | 2013-11-21 | 2014-03-12 | 广东电网公司电力科学研究院 | Electric power collecting and copying device RS485 interface handheld type tester and testing method thereof |
| CN103777100A (en) * | 2014-01-28 | 2014-05-07 | 刘兵 | Device and method for acquiring electricity utilization information |
| CN104777383A (en) * | 2015-04-16 | 2015-07-15 | 武汉阿帕科技有限公司 | Non-invasive electrical load monitoring and load decomposing device |
-
2011
- 2011-12-22 CN CN2011205439163U patent/CN202351356U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103366256A (en) * | 2013-07-25 | 2013-10-23 | 武汉三力通信有限责任公司 | Energy consumption monitoring and evaluating system |
| CN103366256B (en) * | 2013-07-25 | 2016-12-28 | 武汉三力通信有限责任公司 | Energy consumption monitoring and assessment system |
| CN103631690A (en) * | 2013-11-21 | 2014-03-12 | 广东电网公司电力科学研究院 | Electric power collecting and copying device RS485 interface handheld type tester and testing method thereof |
| CN103631690B (en) * | 2013-11-21 | 2016-01-20 | 广东电网公司电力科学研究院 | Electric power collection copies equipment RS485 interface manual testing device and method of testing thereof |
| CN103777100A (en) * | 2014-01-28 | 2014-05-07 | 刘兵 | Device and method for acquiring electricity utilization information |
| CN104777383A (en) * | 2015-04-16 | 2015-07-15 | 武汉阿帕科技有限公司 | Non-invasive electrical load monitoring and load decomposing device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Xinluo Avenue high tech Zone of Ji'nan City, Shandong province 250101 No. 1166 orsus No. 1 building, 7 floor Patentee after: SHANDONG HEYUAN INTELLIGENT TECHNOLOGY CO., LTD. Address before: 250101 No. 2755, 1-204, 205 and 206, show Road, Ji'nan hi tech Zone, Shandong Patentee before: SHANDONG HEYUAN AUTOCONTROL TECHNOLOGY CO., LTD. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Xinluo Avenue high tech Zone of Ji'nan City, Shandong province 250101 No. 1166 orsus No. 1 building, 7 floor Patentee after: And far intelligent Polytron Technologies Inc Address before: Xinluo Avenue high tech Zone of Ji'nan City, Shandong province 250101 No. 1166 orsus No. 1 building, 7 floor Patentee before: SHANDONG HEYUAN INTELLIGENT TECHNOLOGY CO., LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120725 Termination date: 20201222 |