CN202435138U - Data concentrator for collecting low-voltage electrical energy - Google Patents
Data concentrator for collecting low-voltage electrical energy Download PDFInfo
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- CN202435138U CN202435138U CN2012200092724U CN201220009272U CN202435138U CN 202435138 U CN202435138 U CN 202435138U CN 2012200092724 U CN2012200092724 U CN 2012200092724U CN 201220009272 U CN201220009272 U CN 201220009272U CN 202435138 U CN202435138 U CN 202435138U
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- 238000004891 communication Methods 0.000 claims abstract description 21
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 7
- 238000005070 sampling Methods 0.000 description 3
- 238000013500 data storage Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
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Abstract
The utility model discloses a data concentrator for collecting low-voltage electrical energy. The data concentrator comprises a power supply, a data collector, a processor, a communication unit and a memory. The data collector comprises a field programmable gate array (FPGA), an analog-digital (AD) converter and a data interface. The data concentrator can improve low-voltage electrical energy quality of a concentrator collecting area and conduct effective monitoring.
Description
Technical field
The utility model relates to data concentrator; Especially for the data concentrator of gathering low-voltage electric energy.
Background technology
Domestic and international existing low pressure collector product adopts electric energy computation chip+MCU scheme to realize the metering of electric energy and collection mostly, electric energy computation chip is integrated analog to digital converter, digital integration, ADC reference source circuit.The collector of this structure can provide accurate metering and RMS that accurate calculating is provided to meritorious, the reactive energy of electric power system; Can effectively realize automatic data logging and measuring equipment monitoring and anti-electricity-theft.Needs along with national energy-conserving and environment-protective and power system reliability; To the quality of power supply require increasingly high; And existing low pressure collector basically all can not provide effective monitoring to the quality of power supply of collector terminal institute pickup area, and the calculating and the storage of the quality of power supply do not had very high sampling system of real-time and jumbo storage system.The leading indicator of weighing the quality of power supply has voltage, frequency and waveform; Concrete index mainly comprises harmonic wave, voltage fluctuation and flickering between mains frequency, voltage deviation, imbalance of three-phase voltage, utility network harmonic wave, utility network.
Summary of the invention
The purpose of the utility model provides a kind of data concentrator that is used to gather low-voltage electric energy, and this data concentrator can improve effectively monitors the low-voltage electric energy quality of concentrator pickup area.
For achieving the above object, a kind of data concentrator that is used to gather low-voltage electric energy comprises:
One power supply is for device provides operation needed electric power;
One data acquisition unit, be used for gathering the data of power equipment and with transfer of data to processor;
One processor is used for handling from the data of data acquisition unit and exports treated data;
One communication unit is connected with processor, is used to receive the instruction of host computer, and with the transfer of data after the processor processes in host computer;
One memory cell is used to store data;
Data acquisition unit comprises FPGA, AD converter and data-interface, and data-interface is digital signal with analog signal conversion and is transported to FPGA that through AD converter FPGA is connected with processor after receiving data.
As specializing, communication unit is GPRS communication unit, carrier communication unit, RS485 communication unit or ethernet communication unit.
The beneficial effect of the utility model is: owing in existing concentrator, increased FPGA, AD converter and data-interface; And be responsible for high-speed sampling by this part; Satisfy the requirement that the quality of power supply is calculated, increase the capacity of memory in the data acquisition unit, satisfy the needs of power quality data storage; To realize the calculating and the storage of the quality of power supply; And in man-machine menu and the relevant content of the communications portion increase quality of power supply, thereby realized the monitoring of the quality of power supply of concentrator pickup area is effectively monitored the quality of power supply; Power supply department and user can check corresponding power quality data through man-machine; Also can realize monitoring, thereby improve the reliability of power supply effectively through multiple communication modes such as GPRS, carrier wave, RS485 and Ethernets to the quality of power supply of concentrator institute pickup area.
Description of drawings
Fig. 1 is the frame diagram of the utility model.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further elaborated.
As shown in Figure 1, the data concentrator that is used to gather low-voltage electric energy comprises power supply, data acquisition unit, processor, communication unit and memory.Described data acquisition unit FPGA, AD converter and data-interface.
Data-interface is digital signal with analog signal conversion and is transported to FPGA that through AD converter FPGA calculates and stores data, and carries out communication with processor after receiving data.Processor is used for handling from the data of data acquisition unit and exports treated data.Communication unit is connected with processor, is used to receive the instruction of host computer, and with the transfer of data after the processor processes in host computer.Memory is used to store data.Power source loads is given data acquisition unit, processor, communication unit and memory power supply.
In the utility model; Owing in existing concentrator, increased FPGA, AD converter and data-interface, and be responsible for high-speed sampling, satisfied the requirement that the quality of power supply is calculated by this part; Increase the capacity of memory in the data acquisition unit; Satisfy the needs of power quality data storage, with the calculating and the storage of the realization quality of power supply, and in man-machine menu and the relevant content of the communications portion increase quality of power supply; Thereby realized the monitoring of the quality of power supply of concentrator pickup area is effectively monitored the quality of power supply; Power supply department and user can check corresponding power quality data through man-machine; Also can realize monitoring, thereby improve the reliability of power supply effectively through multiple communication modes such as GPRS, carrier wave, RS485 and Ethernets to the quality of power supply of concentrator institute pickup area.
Claims (2)
1. data concentrator that is used to gather low-voltage electric energy comprises:
One power supply is for device provides operation needed electric power;
One data acquisition unit, be used for gathering the data of power equipment and with transfer of data to processor;
One processor is used for handling from the data of data acquisition unit and exports treated data;
One communication unit is connected with processor, is used to receive the instruction of host computer, and with the transfer of data after the processor processes in host computer;
One memory cell is used to store data;
It is characterized in that: data acquisition unit comprises FPGA, AD converter and data-interface, and data-interface is digital signal with analog signal conversion and is transported to FPGA that through AD converter FPGA is connected with processor after receiving data.
2. the data concentrator that is used to gather low-voltage electric energy according to claim 1 is characterized in that: communication unit is GPRS communication unit, carrier communication unit, RS485 communication unit or ethernet communication unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200092724U CN202435138U (en) | 2012-01-11 | 2012-01-11 | Data concentrator for collecting low-voltage electrical energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200092724U CN202435138U (en) | 2012-01-11 | 2012-01-11 | Data concentrator for collecting low-voltage electrical energy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202435138U true CN202435138U (en) | 2012-09-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200092724U Expired - Fee Related CN202435138U (en) | 2012-01-11 | 2012-01-11 | Data concentrator for collecting low-voltage electrical energy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202435138U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104104150A (en) * | 2014-07-10 | 2014-10-15 | 国家电网公司 | Performance data acquisition method for terminal access equipment of power transmission and distribution communication network |
| CN106710182A (en) * | 2015-11-18 | 2017-05-24 | 南京宇能新能源科技有限公司 | Data collector having timing function |
-
2012
- 2012-01-11 CN CN2012200092724U patent/CN202435138U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104104150A (en) * | 2014-07-10 | 2014-10-15 | 国家电网公司 | Performance data acquisition method for terminal access equipment of power transmission and distribution communication network |
| CN106710182A (en) * | 2015-11-18 | 2017-05-24 | 南京宇能新能源科技有限公司 | Data collector having timing function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120912 Termination date: 20210111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |