CN204575741U - Based on the voltage current phase difference acquisition terminal that the wireless pincer of 2.4G detects - Google Patents
Based on the voltage current phase difference acquisition terminal that the wireless pincer of 2.4G detects Download PDFInfo
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- CN204575741U CN204575741U CN201520331851.4U CN201520331851U CN204575741U CN 204575741 U CN204575741 U CN 204575741U CN 201520331851 U CN201520331851 U CN 201520331851U CN 204575741 U CN204575741 U CN 204575741U
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Abstract
A kind of voltage current phase difference acquisition terminal detected based on the wireless pincer of 2.4G, comprise voltage-current sensor, data collection station, described data collection station comprises Signal-regulated kinase, AD conversion module, dsp processor module and wireless transport module, described Signal-regulated kinase input end is connected with voltage-current sensor, output terminal is connected with AD conversion module, described DSP processing module is connected with AD conversion module, and carry out wireless telecommunications by wireless transport module with control center and be connected, achieve and adopt the phase differential of method to current/voltage of strange land non-synchronous sampling to measure, in addition, the utility model has low cost, high precision, low complex degree, rapidly and efficiently.
Description
Technical field
The utility model belongs to electrical technology field, particularly a kind of voltage current phase difference acquisition terminal detected based on the wireless pincer of 2.4G.
Background technology
Measuring voltage current phase difference is at present all carry out synchronized sampling in same sampling position to electric current and voltage, then the data obtained the sampling process of carrying out the later stage draws the method for phase differential.And in actual measurement process, there is voltage sample point and current sample point not in the situation in same place, test before the putting into operation of such as transformer station, voltage sample point is at primary side, and current sample point is at secondary side, and two sampled points exist certain distance and bring certain difficulty to test.
Summary of the invention
The purpose of this utility model is, overcomes above weak point, provides a kind of precision high and low complexity, voltage current phase difference data collection station rapidly and efficiently.
For achieving the above object, the utility model provides a kind of voltage current phase difference acquisition terminal detected based on the wireless pincer of 2.4G, comprise voltage-current sensor, data collection station, described data collection station comprises Signal-regulated kinase, AD conversion module, dsp processor module and wireless transport module, described Signal-regulated kinase input end is connected with voltage-current sensor, output terminal is connected with AD conversion module, described DSP processing module is connected with AD conversion module, and carries out wireless telecommunications by wireless transport module with control center and be connected.
Further, described voltage-current sensor adopts forcipated mutual-inductor, and direct and tested alternating current is connected.
Further, the transmission mode of described wireless transport module adopts NRF24L01+ Low Power High Performance 2.4G module to carry out wireless transmission.
Voltage current phase difference data collection station of the present utility model, by comprising voltage-current sensor, data collection station, described data collection station comprises Signal-regulated kinase, AD conversion module, dsp processor module and wireless transport module, described Signal-regulated kinase input end is connected with voltage-current sensor, output terminal is connected with AD conversion module, described DSP processing module is connected with AD conversion module, and carry out wireless telecommunications by wireless transport module with control center and be connected, achieve and adopt the phase differential of method to current/voltage of strange land non-synchronous sampling to measure, in addition, the utility model has low cost, high precision, low complex degree, rapidly and efficiently.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is data collection station structured flowchart of the present utility model.
In figure: 1, voltage-current sensor, 2, data collection station, 21 Signal-regulated kinase, 22, AD conversion module, 23, dsp processor module, 24, wireless transport module.
Embodiment
As shown in Figure 1, the voltage current phase difference acquisition terminal detected based on the wireless pincer of 2.4G of the present utility model, comprise voltage-current sensor 1, data collection station 2, described data collection station 2 comprises Signal-regulated kinase 21, AD conversion module 22, dsp processor module 23 and wireless transport module 24, described Signal-regulated kinase 21 input end is connected with voltage-current sensor 1, output terminal is connected with AD conversion module 22, described DSP processing module 23 is connected with AD conversion module 21, and carries out wireless telecommunications by wireless transport module 24 with control center and be connected.
The principle of work of the present embodiment is as follows:
Voltage-current sensor 1 adopts forcipated mutual-inductor, direct and tested alternating current is connected, the signal that voltage-current sensor 1 gathers is transferred to the Signal-regulated kinase 21 of data collection station 2 by signal cable, signal is sent to AD conversion module 22 and carries out digital-to-analog conversion after the conditioning of Signal-regulated kinase 21, data after conversion carry out whole phase FFT phase compensation process in dsp processor module 23, obtain the amplitude of handled signal, phase place and frequency, DSP records sampling instant clock count, by wireless transport module 24, parameter is sent to control center together with markers simultaneously, receive the related synchronization steering order that control center sends over simultaneously.
In concrete enforcement of the present utility model, described voltage-current sensor 1 adopts forcipated mutual-inductor, and direct and tested alternating current is connected.
In concrete enforcement of the present utility model, the transmission mode of described wireless transport module 24 adopts NRF24L01+ Low Power High Performance 2.4G module to carry out wireless transmission.
Although the foregoing describe embodiment of the present utility model; but those skilled in the art are to be understood that; these only illustrate; various changes or modifications can be made to present embodiment; and not deviating from principle of the present utility model and essence, protection domain of the present utility model is only defined by the appended claims.
Claims (3)
1. the voltage current phase difference acquisition terminal detected based on the wireless pincer of 2.4G, comprise voltage-current sensor, data collection station, described data collection station comprises Signal-regulated kinase, AD conversion module, dsp processor module and wireless transport module, described Signal-regulated kinase input end is connected with voltage-current sensor, output terminal is connected with AD conversion module, described DSP processing module is connected with AD conversion module, and carries out wireless telecommunications by wireless transport module with control center and be connected.
2., according to the voltage current phase difference acquisition terminal detected based on the wireless pincer of 2.4G according to claim 1, it is characterized in that, described voltage-current sensor adopts forcipated mutual-inductor, and direct and tested alternating current is connected.
3. according to the voltage current phase difference acquisition terminal detected based on the wireless pincer of 2.4G according to claim 2, it is characterized in that, the transmission mode of described wireless transport module adopts NRF24L01+ Low Power High Performance 2.4G module to carry out wireless transmission.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520331851.4U CN204575741U (en) | 2015-05-21 | 2015-05-21 | Based on the voltage current phase difference acquisition terminal that the wireless pincer of 2.4G detects |
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| CN201520331851.4U CN204575741U (en) | 2015-05-21 | 2015-05-21 | Based on the voltage current phase difference acquisition terminal that the wireless pincer of 2.4G detects |
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| CN204575741U true CN204575741U (en) | 2015-08-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980778A (en) * | 2019-03-07 | 2019-07-05 | 国网安徽省电力有限公司电力科学研究院 | A kind of dry reactor monitoring method and its device based on waveform reduction technique |
| CN115902400A (en) * | 2023-02-15 | 2023-04-04 | 保定正恒电力科技有限公司 | Measuring device and method for remote asynchronous angular difference based on metering chip |
-
2015
- 2015-05-21 CN CN201520331851.4U patent/CN204575741U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980778A (en) * | 2019-03-07 | 2019-07-05 | 国网安徽省电力有限公司电力科学研究院 | A kind of dry reactor monitoring method and its device based on waveform reduction technique |
| CN115902400A (en) * | 2023-02-15 | 2023-04-04 | 保定正恒电力科技有限公司 | Measuring device and method for remote asynchronous angular difference based on metering chip |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230906 Address after: No.73, Tuodong Road, Kunming, Yunnan 650000 Patentee after: YUNNAN POWER GRID Co.,Ltd. Address before: No.73, Tuodong Road, Kunming, Yunnan 650000 Patentee before: YUNNAN POWER GRID Co.,Ltd. Patentee before: YUNNAN ENERGY INVESTMENT WEITH TECHNOLOGIES CO.,LTD. |
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| TR01 | Transfer of patent right |