CN203069651U - Voltage change remote monitoring system - Google Patents
Voltage change remote monitoring system Download PDFInfo
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- CN203069651U CN203069651U CN 201320096039 CN201320096039U CN203069651U CN 203069651 U CN203069651 U CN 203069651U CN 201320096039 CN201320096039 CN 201320096039 CN 201320096039 U CN201320096039 U CN 201320096039U CN 203069651 U CN203069651 U CN 203069651U
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Abstract
The utility model discloses a voltage change remote monitoring system, comprising a high-precision voltage transformer, a signal conditioning circuit, a microcontroller and a communication unit which are electrically connected in order; wherein the signal conditioning circuit is electrically connected with an induction electricity taking sensor, the induction electricity taking sensor is electrically connected with the microcontroller; the microcontroller is also electrically connected with a radio frequency transceiver module and an isolation control IO output module; and the microcontroller is provided with an alarm device. The voltage change remote monitoring system provided by the utility model can perform practical theft prevention, can detect power quality, can simultaneously realize alarm information acquisition, analysis, processing and early warning for behaviors such as damages and theft to equipments such as distribution network line, tower and distribution transformer, and can perform real-time on-line detection for electric energy indexes such as supply voltage deviation, frequency deviation, power grid harmonic content, voltage flicker and fluctuation.
Description
Technical field
The utility model relates to a kind of change in voltage remote management platform, is specifically related to a kind of change in voltage long distance control system based on radio sensing network.
Background technology
Because the domestic economy disparate development, it seriously is social concern that theft crime becomes one, and electric system also faces serious theft crime, different with other thefts is, electric power facility is in a single day stolen, can cause more serious consequence, even the generation of great personal safety accident.Country has put into effect a series of laws and regulations for this reason specially, but this can not contain this type of crime, becomes worse on the contrary at present, so must take effective technical means to be taken precautions against, ensures the safe operation of electrical network.
Along with the power grid construction paces are day by day accelerated, the electric power facility cumulative year after year, stolen easily electric power facility is more and more, electric power facility is made by the noble metal copper material usually, make it become the target that thief is slavered over, thievery at electric power facility happens occasionally, and the lawless person steals power transformation kind equipment, cable, substation transformer and aerial condutor and tower material, causes the controller switching equipment fault to take place again and again.How research realizes the behavior of omnibearing protection of electric power facility, many-sided containment theft electric power facility, effectively ensures and become the task of top priority of present power industry development by electric power netting safe running.
Although at present domestic existing similar electric power facilities anti-theft system and device are used, its shortcoming and defect is very tangible.Cause higher false alarm rate confidence level to reduce as monitoring means is single, the monitoring finite capacity can not satisfy the multi-point and wide-ranging actual demand of electric system distribution, huge can't large tracts of land popularization of employing storage battery power supply mode maintenance workload.
Therefore, a kind of practicability of can carrying out is antitheft, detect the quality of power supply, realize warning message collection, analysis, processing and the early warning of the behavior such as destruction, theft to equipment such as distribution line, shaft tower, substation transformers simultaneously, and to the supply voltage deviation, frequency departure, mains by harmonics content, power indexs such as voltage flicker and fluctuation carry out the change in voltage long distance control system of real-time online detection and demand urgently occurring.
The utility model content
For solving the problems of the technologies described above, the purpose of this utility model is to provide a kind of practicability of can carrying out antitheft, detect the quality of power supply, realize warning message collection, analysis, processing and the early warning of the behavior such as destruction, theft to equipment such as distribution line, shaft tower, substation transformers simultaneously, and to the supply voltage deviation, frequency departure, mains by harmonics content, power indexs such as voltage flicker and fluctuation carry out the change in voltage long distance control system that real-time online detects.
For achieving the above object, the technical solution of the utility model is as follows: a kind of change in voltage long distance control system, comprise high-accuracy voltage mutual inductor, signal conditioning circuit, micro controller and communication unit, be electrically connected successively, described signal conditioning circuit is electrically connected with induction power taking sensor, and described induction power taking sensor is electrically connected with described micro controller;
Described micro controller also is electrically connected with radio-frequency (RF) transceiver module and isolated controlling IO output module;
Be equiped with warning device on the described micro controller.
Preferably, described induction power taking sensor comprises induction power taking coil, transformer and power autonomous.
Preferably, described signal conditioning circuit comprises active low-pass filter circuit.
Preferably, described radio-frequency (RF) transceiver module is the RF radio-frequency communication module.
Preferably, described communication unit is for isolating 485 communication units.
Pass through technique scheme, the beneficial effect of technical solutions of the utility model is: a kind of change in voltage long distance control system, comprise high-accuracy voltage mutual inductor, signal conditioning circuit, micro controller and communication unit, be electrically connected successively, described signal conditioning circuit is electrically connected with induction power taking sensor, and described induction power taking sensor is electrically connected with described micro controller; Described micro controller also is electrically connected with radio-frequency (RF) transceiver module and isolated controlling IO output module; Be equiped with warning device on the described micro controller; Adopt change in voltage long distance control system provided by the utility model, it is antitheft to carry out practicability, detect the quality of power supply, realize warning message collection, analysis, processing and the early warning of the behavior such as destruction, theft to equipment such as distribution line, shaft tower, substation transformers simultaneously, and to the supply voltage deviation, frequency departure, mains by harmonics content, power indexs such as voltage flicker and fluctuation carry out real-time online and detect.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the utility model embodiment technology, to do to introduce simply to the accompanying drawing of required use in the embodiment technical description below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the embodiment of a kind of change in voltage long distance control system of the utility model.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model provides a kind of practicability of can carrying out antitheft, detect the quality of power supply, realize warning message collection, analysis, processing and the early warning of the behavior such as destruction, theft to equipment such as distribution line, shaft tower, substation transformers simultaneously, and to the supply voltage deviation, frequency departure, mains by harmonics content, power indexs such as voltage flicker and fluctuation carry out the change in voltage long distance control system that real-time online detects.
Embodiment,
As shown in Figure 1, a kind of change in voltage long distance control system, comprise high-accuracy voltage mutual inductor, signal conditioning circuit, micro controller and communication unit, be electrically connected successively, described signal conditioning circuit is electrically connected with induction power taking sensor, described induction power taking sensor is electrically connected with described micro controller, and described induction power taking sensor is responded to power taking by inductive coil, comes to corresponding module for power supply by power circuit; Described micro controller also is electrically connected with radio-frequency (RF) transceiver module and isolated controlling IO output module; Be equiped with warning device on the described micro controller.
In the technical program, described induction power taking sensor comprises induction power taking coil, transformer and power autonomous; Described signal conditioning circuit comprises active low-pass filter circuit; Described radio-frequency (RF) transceiver module is the RF radio-frequency communication module; Described communication unit is for isolating 485 communication units.
The high-accuracy voltage mutual inductor is adopted to such an extent that voltage signal is imported, obtain voltage range for AD sampling by level shift and active low-pass filter circuit, can transform to a best sampling interval of the ADC linearity to the input range of voltage by such signal conditioning circuit, be conducive to reduce the quantization error owing to ADC generation itself like this, to improve the precision of Signal Processing.
High-speed ADC by inner 12 of micro controller carries out the real time high-speed sampling to the signal after handling, micro controller is carried out FFT conversion fast to the data of sampling, obtain the frequency spectrum of each odd harmonic, but because the frequency of the voltage of electrical network has certain fluctuation, therefore can't simply use the means of synchronized sampling to eliminate because the spectral leakage problem that non-integer is sampled and caused.If yet hardware means such as employing phase lock circuitry are accomplished synchronized sampling, not only will consider the frequency jitter speed of line voltage, and realize complexity having increased power consumption.And this equipment adopts software approach (full phase difference spectrum alignment technique) to reduce because the spectral leakage problem that non-integer is sampled and caused fully as far as possible.
Induction power taking sensor adopts low power miniature transformer, obtain pulsating volage by full-wave rectification then, the battery management IC of the low-power consumption by specialty handles the DC that obtains wanting at last, therefore can tolerate that the variation range of input voltage is extremely wide, in order to better adapt to the requirement of the substation transformer of different electrical networks.If under the situation of outage, can power by lithium battery, to guarantee the reliability of equipment work.
Micro controller is expanded its IO mouth output by means such as light-coupled isolations, to operate other module.This equipment can carry out 485 networkings by 485 interfaces, can use external expansion module mode power supply to be provided for 485 equipment.
After the data processing, use Useful Information the SOC of super low-power consumption that data are sent to user terminal by sensing network.Adopt SOC to be based on the characteristic of its SOC (system on a chip), the radio-frequency devices of integrated thereon 8 single-chip microcomputers of a slice and a 2.4G, this monolithic system has multiple super low-power consumption mode of operation, can satisfy different application requirements.
The change in voltage long distance control system that technique scheme provides can be used for quality of power supply on-line measuring device, voltage monitoring and line protection, distribution facility anti-theft device.Be particularly related to voltage, the magnitude of current on the distribution line shaft tower collection, carry out data analysis according to the change in voltage situation and handle, and can provide information such as anti-theft early-warning and the quality of power supply by Internet of Things to middle control platform in real time, have advantages such as simple, that cost is lower, be convenient to safeguard, safe and reliable are installed.
The technical program is based on the intelligent power equipment of wireless sense network, and device interior adopts high-accuracy voltage mutual inductor and the corresponding circuit that cooperates, and responds to power taking and measures in real time by the output terminal of user's substation transformer.And carry out FFT conversion fast in this locality and provide accurate quality of power supply correlation parameter with relevant harmonic wave algorithm, and the flex point of log history data and each change in voltage automatically.This equipment is as an intelligent terminal node of wireless sense network, the result of the data message that records and analysis-by-synthesis can be uploaded to the aggregation node of wireless sense network, by wireless ad hoc network data message offered the terminal user then.
Adopt miniature real time operating system from this equipment of software, the collection of data and processing are carried out synchronously, have bigger data throughout and good processing capability in real time.Then adopt software algorithm to revise to improve measuring accuracy in real time for the spectral leakage analysis, thereby avoided the complexity of hardware, the dirigibility that improves equipment.
Can provide its own power source from the measuring junction power taking from this equipment of hardware structure, use professional power management IC to adapt to the input voltage of wide region, also can use lithium battery power supply simultaneously.
Pass through technique scheme, the beneficial effect of technical solutions of the utility model is: a kind of change in voltage long distance control system, comprise high-accuracy voltage mutual inductor, signal conditioning circuit, micro controller and communication unit, be electrically connected successively, described signal conditioning circuit is electrically connected with induction power taking sensor, and described induction power taking sensor is electrically connected with described micro controller; Described micro controller also is electrically connected with radio-frequency (RF) transceiver module and isolated controlling IO output module; Be equiped with warning device on the described micro controller; Adopt change in voltage long distance control system provided by the utility model, it is antitheft to carry out practicability, detect the quality of power supply, realize warning message collection, analysis, processing and the early warning of the behavior such as destruction, theft to equipment such as distribution line, shaft tower, substation transformers simultaneously, and to the supply voltage deviation, frequency departure, mains by harmonics content, power indexs such as voltage flicker and fluctuation carry out real-time online and detect.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments herein.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the wideest scope consistent with principle disclosed herein and features of novelty.
Claims (5)
1. change in voltage long distance control system, it is characterized in that, comprise high-accuracy voltage mutual inductor, signal conditioning circuit, micro controller and communication unit, be electrically connected successively, described signal conditioning circuit is electrically connected with induction power taking sensor, and described induction power taking sensor is electrically connected with described micro controller;
Described micro controller also is electrically connected with radio-frequency (RF) transceiver module and isolated controlling IO output module;
Be equiped with warning device on the described micro controller.
2. change in voltage long distance control system according to claim 1 is characterized in that, described induction power taking sensor comprises induction power taking coil, transformer and power autonomous.
3. change in voltage long distance control system according to claim 2 is characterized in that, described signal conditioning circuit comprises active low-pass filter circuit.
4. change in voltage long distance control system according to claim 3 is characterized in that, described radio-frequency (RF) transceiver module is the RF radio-frequency communication module.
5. change in voltage long distance control system according to claim 4 is characterized in that, described communication unit is for isolating 485 communication units.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320096039 CN203069651U (en) | 2013-03-04 | 2013-03-04 | Voltage change remote monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320096039 CN203069651U (en) | 2013-03-04 | 2013-03-04 | Voltage change remote monitoring system |
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| Publication Number | Publication Date |
|---|---|
| CN203069651U true CN203069651U (en) | 2013-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320096039 Expired - Fee Related CN203069651U (en) | 2013-03-04 | 2013-03-04 | Voltage change remote monitoring system |
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| CN (1) | CN203069651U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105807196A (en) * | 2015-11-19 | 2016-07-27 | 南京世都科技有限公司 | Online monitoring system for lightening arrester for transmission cable |
| CN111505377A (en) * | 2020-05-16 | 2020-08-07 | 国网甘肃省电力公司兰州供电公司 | Voltage flicker real-time monitoring and early warning system and method |
-
2013
- 2013-03-04 CN CN 201320096039 patent/CN203069651U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105807196A (en) * | 2015-11-19 | 2016-07-27 | 南京世都科技有限公司 | Online monitoring system for lightening arrester for transmission cable |
| CN111505377A (en) * | 2020-05-16 | 2020-08-07 | 国网甘肃省电力公司兰州供电公司 | Voltage flicker real-time monitoring and early warning system and method |
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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: 20130717 Termination date: 20150304 |
|
| EXPY | Termination of patent right or utility model |