CN202837423U - Wireless GPRS wind power power grid electric energy quality detection device based on DSP and ARM - Google Patents
Wireless GPRS wind power power grid electric energy quality detection device based on DSP and ARM Download PDFInfo
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- CN202837423U CN202837423U CN 201220409069 CN201220409069U CN202837423U CN 202837423 U CN202837423 U CN 202837423U CN 201220409069 CN201220409069 CN 201220409069 CN 201220409069 U CN201220409069 U CN 201220409069U CN 202837423 U CN202837423 U CN 202837423U
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Abstract
The utility model provides a wireless GPRS wind power power grid electric energy quality detection device based on DSP and ARM, comprising a mutual inductance module connected with a signal conditioning unit. The signal conditioning unit is connected with an A/D converter and a phase-locked loop, a DSP processor is connected with the A/D converter, the phase-locked loop and a double port RAM, and an ARM processor is connected with the double port RAM, a SD memorizer, a GPRS module and a human-computer interface. The wireless GPRS wind power power grid electric energy quality detection device based on DSP and ARM of the utility model can detect the electric energy quality case of each point of a power grid real-timely, and transmits the acquired data to an upper computer via a GPRS wireless network, for example, a power grid fault occurs, so that workers can determine the power grid fault point and eliminate the fault according to the uploaded data.
Description
Technical field
The utility model relates to electronic technology field, and a kind of wireless GPRS wind-powered electricity generation electrical network electric energy quality detection device based on DSP and ARM is provided.
Background technology
The power quality problem of at present China's wind-powered electricity generation electrical network existence mainly contains: voltage waveform distortion, voltage fluctuation, flickering, three-phase imbalance etc., they cause the generation of many harmfulness accidents the most at last.For example, higher hamonic wave and three-phase imbalance problem can cause that the rotor of medium and small generator suffers damage, and relay protection and aut.eq. are produced severe jamming, cause the generation of its maloperation event.Higher hamonic wave more may produce the harmonic wave amplification by produce resonance in electrical network, further other power equipments in the electrical network is worked the mischief.In China, a lot of harmfulness accidents that produce owing to the deterioration of electrical network quality of power supply situation have occured.For example, certain electrical network 220KV circuit causes the large-area power outage in this area once because the mains by harmonics problem trips.And for example, certain power plant because of harmonic wave, the problems such as three-phase imbalance and flickering cause the overheated impaired accident of parts setting-in face to the 10MW turbo-generator rotor of electric railway and electric arc furnaces power supply.In order to solve these ubiquitous accidents that causes because of power quality problem, must be paid attention to and standard the quality of power supply, formulate relevant rules and regulations, give strict monitoring and implement.Improve the quality of power supply of electrical network, top priority is exactly various kinds of equipment and the instrument that Devoting Major Efforts To Developing can be monitored the electrical network quality of power supply.
Summary of the invention
The purpose of this utility model is to provide a kind of a kind of wireless GPRS wind-powered electricity generation electrical network electric energy quality detection device based on DSP and ARM that power grid quality is detected.
The utility model is for achieving the above object by the following technical solutions:
A kind of wireless GPRS wind-powered electricity generation electrical network electric energy quality detection device based on DSP and ARM is characterized in that comprising:
Mutual inductor: comprise the voltage transformer (VT) summation current transformer, be used for finishing the forceful electric power signal to the conversion of weak electric signal;
Signal condition unit: comprise for the biasing circuit module in the sampled voltage scope that bipolar signal is transformed to A/D converter and be used for the frequency overlapped-resistable filter of elimination high fdrequency component;
Phaselocked loop: finish two automatic controls that signal phase is synchronous;
A/D converter: simulating signal is converted into digital signal;
Dsp processor: digital signal is processed, controlled the operation of whole electric energy quality monitor;
Dual port RAM: the data-carrier store that dsp processor and arm processor are shared, when dsp processor and the shared DRAM of arm processor, this storer can be realized the level conversion between 3.3V and 5V voltage;
Arm processor: the data that collect are communicated transmission and storage;
Man-machine interface: comprise being used for arranging the Keysheet module of duty for the display module that shows job information;
Storer: comprise FLASH and SDRAM;
SD storer: the signal that storage of collected arrives and corresponding result of calculation;
GPRS module: be used for carrying out data communication by GPRS wireless network and control center;
Described voltage transformer (VT) summation current transformer becomes line voltage to give the biasing circuit module after the light current simulating signal and the simulated dual polar signal that collects is transformed in the sampled voltage scope of A/D converter with current conversion, then give A/D converter after giving frequency overlapped-resistable filter elimination high fdrequency component, phaselocked loop triggers A/D converter simultaneously, realize that A/D converter is to the synchronized sampling of voltage and current, A/D converter is to give dsp processor after the digital signal with analog signal conversion, dsp processor reads the result of conversion, and take quality of power supply performance index as the basis, finish voltage, electric current, the power data computing, ARM sends order to dsp processor, data and operation result that the dsp processor loopback is measured, arm processor carries out this locality storage again or passes to host computer by GPRS, and realizes local the demonstration by the operation of Keysheet module and the cooperation of display module;
Described mutual inductor is connected with the signal condition unit, the signal condition unit is connected with phaselocked loop with A/D converter, dsp processor is connected with A/D converter, phaselocked loop and dual port RAM, and arm processor is connected with man-machine interface with dual port RAM, SD storer, GPRS module.
Described voltage transformer (VT) adopts the SPT204V model, and current transformer adopts the SCT254FK model.
Described A/D converter adopts the ADS7864 chip.
Described dsp processor adopts the TMS320C54X chip.
Described arm processor adopts the S3C2410 chip.
Described GPRS module adopts the MC35i model.
Described dual port RAM adopts the Y7C025AV-15AI chip.
The utlity model has following beneficial effect:
The utlity model has the GPRS radio communication function, can learn the real time data of each monitoring point whenever and wherever possible, and can accomplish to be made amendment in any monitoring point at any time to arrange and special detection by remote control technology, time checks the electric energy quality detection device recorded data and carries out careful deep analysis at host computer anywhere, if there is unusual electric power event generation electric energy quality detection device Anywhere to carry out alarm with the fastest speed, and can check out device number and the equipment location that goes wrong on computers by source book, so that the staff carries out fault handling timely, improve the stability of whole electrical network.
Description of drawings
Fig. 1 is system block diagram of the present utility model.
Embodiment
A kind of wireless GPRS wind-powered electricity generation electrical network electric energy quality detection device based on DSP and ARM is characterized in that comprising:
Mutual inductor: comprise the voltage transformer (VT) summation current transformer, be used for finishing the forceful electric power signal to the conversion of weak electric signal;
Signal condition unit: comprise for the biasing circuit module in the sampled voltage scope that bipolar signal is transformed to the A/ converter and be used for the frequency overlapped-resistable filter of elimination high fdrequency component;
Phaselocked loop: finish two automatic controls that signal phase is synchronous;
A/D converter: simulating signal is converted into digital signal;
Dsp processor: digital signal is processed, controlled the operation of whole electric energy quality monitor;
Dual port RAM: the data-carrier store that dsp processor and arm processor are shared, when dsp processor and the shared DRAM of arm processor, this storer can be realized the level conversion between 3.3V and 5V voltage;
Arm processor: the data that collect are communicated transmission and storage;
Man-machine interface: comprise being used for arranging the Keysheet module of duty for the display module that shows job information;
Storer: comprise the FLASH of the storage that then is used for the DSP processor program and solve dsp processor at the SDRAM of the inadequate problem of computation process internal RAM;
SD storer: the signal that storage of collected arrives and corresponding result of calculation;
GPRS module: be used for carrying out data communication by GPRS wireless network and control center;
Described voltage transformer (VT) summation current transformer becomes line voltage to give the biasing circuit module after the light current simulating signal and the simulated dual polar signal that collects is transformed in the sampled voltage scope of A/D converter with current conversion, then give A/D converter after giving frequency overlapped-resistable filter elimination high fdrequency component, phaselocked loop triggers A/D converter simultaneously, realize that A/D converter is to the synchronized sampling of voltage and current, A/D converter is to give dsp processor after the digital signal with analog signal conversion, dsp processor reads the result of conversion, and take quality of power supply performance index as the basis, finish voltage, electric current, the corresponding data operation such as power, ARM sends order to dsp processor, data and operation result that the dsp processor loopback is measured, arm processor carries out this locality storage or passes to host computer by GPRS according to the program of prior setting again, and realizes local the demonstration by the operation of Keysheet module and the cooperation of display module;
Described mutual inductor piece is connected with the signal condition unit, the signal condition unit is connected with phaselocked loop with A/D converter, dsp processor is connected with A/D converter, phaselocked loop and dual port RAM, and arm processor is connected with man-machine interface with dual port RAM, SD storer, GPRS module.
Described voltage transformer (VT) adopts the SPT204V model, and current transformer adopts the SCT254FK model.
Described A/D converter adopts the ADS7864 chip.
Described dsp processor adopts the TMS320C54X chip.
Described arm processor adopts the S3C2410 chip.
Described GPRS module adopts the MC35i model.
Described dual port RAM adopts the Y7C025AV-15AI chip.
The utlity model has the GPRS radio communication function, can learn the real time data of each monitoring point whenever and wherever possible, and can accomplish to be made amendment in any monitoring point at any time to arrange and special detection by remote control technology, time checks the electric energy quality detection device recorded data and carries out careful deep analysis at host computer anywhere, if there is unusual electric power event generation electric energy quality detection device Anywhere to carry out alarm with the fastest speed, and can check out device number and the equipment location that goes wrong on computers by source book, so that the staff carries out fault handling timely, improve the stability of whole electrical network.
Claims (7)
1. wireless GPRS wind-powered electricity generation electrical network electric energy quality detection device based on DSP and ARM is characterized in that comprising:
Mutual inductor: comprise the voltage transformer (VT) summation current transformer, be used for finishing the forceful electric power signal to the conversion of weak electric signal;
Signal condition unit: comprise for the biasing circuit module in the sampled voltage scope that bipolar signal is transformed to A/D converter and be used for the frequency overlapped-resistable filter of elimination high fdrequency component;
Phaselocked loop: finish two automatic controls that signal phase is synchronous;
A/D converter: simulating signal is converted into digital signal;
Dsp processor: digital signal is processed, controlled the operation of whole electric energy quality monitor;
Dual port RAM: the data-carrier store that dsp processor and arm processor are shared, when dsp processor and the shared DRAM of arm processor, this storer can be realized the level conversion between 3.3V and 5V voltage;
Arm processor: the data that collect are communicated transmission and storage;
Man-machine interface: comprise being used for arranging the Keysheet module of duty for the display module that shows job information;
Storer: comprise FLASH and SDRAM;
SD storer: the signal that storage of collected arrives and corresponding result of calculation;
GPRS module: be used for carrying out data communication by GPRS wireless network and control center;
Described voltage transformer (VT) summation current transformer becomes line voltage to give the biasing circuit module after the light current simulating signal and the simulated dual polar signal that collects is transformed in the sampled voltage scope of A/D converter with current conversion, then give A/D converter after giving frequency overlapped-resistable filter elimination high fdrequency component, phaselocked loop triggers A/D converter simultaneously, realize that A/D converter is to the synchronized sampling of voltage and current, A/D converter is to give dsp processor after the digital signal with analog signal conversion, dsp processor reads the result of conversion, and take quality of power supply performance index as the basis, finish voltage, electric current, the power data computing, ARM sends order to dsp processor, data and operation result that the dsp processor loopback is measured, arm processor carries out this locality storage again or passes to host computer by GPRS, and realizes local the demonstration by the operation of Keysheet module and the cooperation of display module;
Described mutual inductor is connected with the signal condition unit, the signal condition unit is connected with phaselocked loop with A/D converter, dsp processor is connected with A/D converter, phaselocked loop and dual port RAM, and arm processor is connected with man-machine interface with dual port RAM, SD storer, GPRS module.
2. a kind of wireless GPRS wind-powered electricity generation electrical network electric energy quality detection device based on DSP and ARM according to claim 1 is characterized in that: described voltage transformer (VT) employing SPT204V model, current transformer employing SCT254FK model.
3. a kind of wireless GPRS wind-powered electricity generation electrical network electric energy quality detection device based on DSP and ARM according to claim 1 is characterized in that: described A/D converter employing ADS7864 chip.
4. a kind of wireless GPRS wind-powered electricity generation electrical network electric energy quality detection device based on DSP and ARM according to claim 1 is characterized in that: described dsp processor employing TMS320C54X chip.
5. a kind of wireless GPRS wind-powered electricity generation electrical network electric energy quality detection device based on DSP and ARM according to claim 1 is characterized in that: described arm processor employing S3C2410 chip.
6. a kind of wireless GPRS wind-powered electricity generation electrical network electric energy quality detection device based on DSP and ARM according to claim 1 is characterized in that: described GPRS module employing MC35i model.
7. a kind of wireless GPRS wind-powered electricity generation electrical network electric energy quality detection device based on DSP and ARM according to claim 1 is characterized in that: described dual port RAM employing Y7C025AV-15AI chip.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220409069 CN202837423U (en) | 2012-08-17 | 2012-08-17 | Wireless GPRS wind power power grid electric energy quality detection device based on DSP and ARM |
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| CN 201220409069 CN202837423U (en) | 2012-08-17 | 2012-08-17 | Wireless GPRS wind power power grid electric energy quality detection device based on DSP and ARM |
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| CN202837423U true CN202837423U (en) | 2013-03-27 |
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| CN 201220409069 Expired - Fee Related CN202837423U (en) | 2012-08-17 | 2012-08-17 | Wireless GPRS wind power power grid electric energy quality detection device based on DSP and ARM |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105785202A (en) * | 2016-04-29 | 2016-07-20 | 孙文兵 | Dynamic electric energy quality detection apparatus |
| CN106526379A (en) * | 2016-11-21 | 2017-03-22 | 广西电网有限责任公司电力科学研究院 | Method for implementing power quality test analysis based on wireless sampling |
| CN106771534A (en) * | 2015-11-25 | 2017-05-31 | 湖南开磷雁峰塔涂料有限公司 | A kind of Power Quality Detection instrument on paint production plant |
| CN107247199A (en) * | 2017-05-27 | 2017-10-13 | 上海电机学院 | A kind of remote power quality detecting system based on ARM |
| CN108072807A (en) * | 2017-11-20 | 2018-05-25 | 安徽晓星能源科技有限公司 | A kind of power quality wireless monitoring device |
| CN112020655A (en) * | 2018-04-20 | 2020-12-01 | 萨基姆通讯能源及电信联合股份公司 | Electricity meter comprising a current measuring circuit and a voltage measuring circuit |
-
2012
- 2012-08-17 CN CN 201220409069 patent/CN202837423U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771534A (en) * | 2015-11-25 | 2017-05-31 | 湖南开磷雁峰塔涂料有限公司 | A kind of Power Quality Detection instrument on paint production plant |
| CN105785202A (en) * | 2016-04-29 | 2016-07-20 | 孙文兵 | Dynamic electric energy quality detection apparatus |
| CN106526379A (en) * | 2016-11-21 | 2017-03-22 | 广西电网有限责任公司电力科学研究院 | Method for implementing power quality test analysis based on wireless sampling |
| CN107247199A (en) * | 2017-05-27 | 2017-10-13 | 上海电机学院 | A kind of remote power quality detecting system based on ARM |
| CN108072807A (en) * | 2017-11-20 | 2018-05-25 | 安徽晓星能源科技有限公司 | A kind of power quality wireless monitoring device |
| CN112020655A (en) * | 2018-04-20 | 2020-12-01 | 萨基姆通讯能源及电信联合股份公司 | Electricity meter comprising a current measuring circuit and a voltage measuring circuit |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20130817 |