CN203838270U - Lightning arrester state monitoring sensor system having WSN characteristics - Google Patents
Lightning arrester state monitoring sensor system having WSN characteristics Download PDFInfo
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- CN203838270U CN203838270U CN201420258538.8U CN201420258538U CN203838270U CN 203838270 U CN203838270 U CN 203838270U CN 201420258538 U CN201420258538 U CN 201420258538U CN 203838270 U CN203838270 U CN 203838270U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 24
- 230000001939 inductive effect Effects 0.000 claims description 12
- 238000005070 sampling Methods 0.000 claims description 10
- 238000012546 transfer Methods 0.000 claims description 9
- 238000012545 processing Methods 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
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- 101100434411 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) ADH1 gene Proteins 0.000 description 1
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Abstract
The utility model discloses a lightning arrester state monitoring sensor system having WSN characteristics. The lightning arrester state monitoring sensor system comprises an acquisition module for acquiring lightning arrester current information and temperature information, and an information transmission module for processing and transmitting the information acquired by the acquisition module; and an information output end of the acquisition module is connected with a signal input end of the information transmitting module, and a signal output end of the information transmitting module is wirelessly connected with a control center of a control room. The lightning arrester state monitoring sensor system is simple in structure and low in cost, can monitor operating states of a lightning arrester in a real-time manner, and provides reliable data for an electric power system. The lightning arrester state monitoring sensor system is suitable for monitoring of all lightning arresters of a transformer station.
Description
Technical field
The utility model belongs to the monitoring running state field of intelligent grid, specifically a kind of lightning arrester status monitoring sensing system with WSN characteristic.
Background technology
AC power system for relay protection, measure and control device and watt-hour meter measurement etc. provide reliable alternating voltage data, is the assurance of substation safety operation and true(-)running in transformer station.And that low-voltage ZnO lightning arrester in AC power system is AC system is anti-lightning strike, prevent that electrical secondary system from occurring therefore, a large amount of lightning arresters being installed in ac voltage circuit by the important protection facility of 2 ground connection.
But when lightning arrester breaks down, the interior AC system that usually can make to stand causes 2 ground connection, cause cascading failure reaction, consequence is serious.Therefore, in Operation of Electric Systems process, need to implement the duty of monitoring lightning arrester, find in time the fault of lightning arrester.In current transformer station, system there is no Real-Time Monitoring scheme for the monitoring of the duty of earth point location and lightning arrester, the failure condition of lightning arrester cannot be detected in real time, causes above-mentioned earth fault, causes the badly damaged of electric system.
Utility model content
The technical problems to be solved in the utility model, is to provide a kind of lightning arrester status monitoring sensing system of the WSN of having characteristic, and duty that can Real-Time Monitoring lightning arrester, guarantees the safe operation of transformer station.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is:
A kind of lightning arrester status monitoring sensing system with WSN characteristic, it comprises for gathering the acquisition module of lightning arrester current information and temperature information, and the information transfer module that the information of acquisition module collection is processed, transmitted, the signal input part of the signal output part link information delivery module of described acquisition module, the control center of the signal output part wireless connection control chamber of information transfer module.
As to restriction of the present utility model: described acquisition module comprises inductive coil in parallel and sampling resistor, and temperature inductor, described temperature inductor one end ground connection, the temperature signal input end of other end link information delivery module; Inductive coil and the parallel circuit one end ground connection that gathers resistance, the current signal input end of other end link information delivery module.
As to further restriction of the present utility model: described information transfer module comprises SOC electronic circuit, described SCO electronic circuit adopts JN5139 module, the power end of JN5139 module connects external power source, its the 39 pin connects the parallel circuit of inductive coil and sampling resistor, and the 40 pin connects temperature inductor.
To sum up, owing to having adopted above-mentioned technical scheme, the utility model compared with prior art, obtained technical progress is: the temperature sensor of the utility model setting can detect the temperature information of lightning arrester in real time, and the combinational circuit of inductive coil and sampling resistor can detect the alternating current information that flows through lightning arrester in real time, these two information can show the duty of lightning arrester well, and failure condition, for analyzing the running status of lightning arrester, provide reliable basis; And information after detecting sends the SOC circuit of JN5139 module composition to and processes, transmits, described JN5139 module is collection RF communication function, analog signal processing function and analog-digital conversion function and multifunction chip all over the body, not only can realize the processing to Information Monitoring, and can be by the wireless control center that sends to of numerical information after processing, make that whole monitoring system is more simple, volume is less, it is convenient to implement.
The utility model is simple in structure, and cost is low, and running status that can Real-Time Monitoring lightning arrester, for Operation of Electric Systems provides reliable data.
The utility model is applicable to all lightning arresters of monitoring substation.
The utility model is described in further detail below in conjunction with Figure of description and specific embodiment.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the utility model embodiment;
Fig. 2 is the circuit theory diagrams of the utility model embodiment;
Fig. 3 is the schematic diagram of JN5139 module in the utility model embodiment.
In figure: 1-acquisition module, 2-information transfer module, 3-control center.
Embodiment
a kind of lightning arrester status monitoring sensing system with WSN characteristic of embodiment
The present embodiment is a kind of lightning arrester status monitoring sensing system with WSN characteristic, and as shown in Figure 1, it comprises:
(1) acquisition module 1, and described acquisition module 1 is for gathering lightning arrester current information and temperature information.Acquisition module 1 in the present embodiment as shown in Figure 2, comprise that temperature inductor W(is NTC thermistor), and the parallel circuit of sampling resistor R and inductive coil Q formation, wherein, temperature inductor W is for gathering the temperature information of lightning arrester, and the parallel circuit that sampling resistor R and inductive coil Q form is crossed the alternating current of lightning arrester for acquisition stream.
(2) information transfer module 2, for the information that acquisition module 1 is gathered, process, transmit.
Information transfer module 2 in the present embodiment as shown in Figure 2, comprise the SOC electronic circuit that JN5139 chip forms, the power end of this module (the 24 pin VDD, the 25 pin GND) connects respectively the both positive and negative polarity of external power source, the 39 pin ADC1 connects the parallel circuit of sampling resistor R and inductive coil Q formation, and the 40 pin ADC2 connects temperature inductor W.Meanwhile, the control center of the signal output part wireless connection control chamber of JN5139 module.
And the schematic diagram of JN5139 module is as shown in Figure 3, there is 2.4G RF radio frequency unit, can realize radio communication function, by this function, JN5139 module can realize the wireless connections with control center; 12Bit ADC and analog comparator analogue unit, can realize data acquisition function, receives the data of acquisition module 1; 11Bit DAC unit, can realize simulating signal preprocessing function; 32Bit CPU realizes complex calculation function.Therefore, the present embodiment can be realized reception, processing and the wireless transmission to output by JN5139.
The specific works principle of the present embodiment is: temperature inductor W detects the temperature information of lightning arrester in real time, the parallel circuit that sampling resistor R and inductive coil Q form detects the operation alternating current of lightning arrester in real time, simultaneous temperature sensor W and sampling resistor R, the parallel circuit of inductive coil Q is real-time transmitted to the analog information of collection 12Bit ADC and the analog comparator analogue unit of JN5139 module, and the 11Bit DAC unit of JN5139 module, 32Bit CPU can process the information gathering, digital signal after processing sends the control center of pulpit to by the RF radio frequency unit of JN5139 module self, the running status that the data that staff shows according to control center or chart can be judged lightning arrester, when lightning arrester breaks down, process in time, prevent electric power system fault.
Claims (3)
1. a lightning arrester status monitoring sensing system with WSN characteristic,
it is characterized in that:it comprises for gathering the acquisition module of lightning arrester current information and temperature information, and the information transfer module that the information of acquisition module collection is processed, transmitted, the signal input part of the signal output part link information delivery module of described acquisition module, the control center of the signal output part wireless connection control chamber of information transfer module.
2. the lightning arrester status monitoring sensing system with WSN characteristic according to claim 1,
it is characterized in that:described acquisition module comprises inductive coil in parallel and sampling resistor, and temperature inductor, described temperature inductor one end ground connection, the temperature signal input end of other end link information delivery module; Inductive coil and the parallel circuit one end ground connection that gathers resistance, the current signal input end of other end link information delivery module.
3. the lightning arrester status monitoring sensing system with WSN characteristic according to claim 2,
it is characterized in that:described information transfer module comprises SOC electronic circuit, described SCO electronic circuit adopts JN5139 module, the power end of JN5139 module connects external power source, and its 39 pin connects the parallel circuit of inductive coil and sampling resistor, and the 40 pin connects temperature inductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420258538.8U CN203838270U (en) | 2014-05-21 | 2014-05-21 | Lightning arrester state monitoring sensor system having WSN characteristics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420258538.8U CN203838270U (en) | 2014-05-21 | 2014-05-21 | Lightning arrester state monitoring sensor system having WSN characteristics |
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| Publication Number | Publication Date |
|---|---|
| CN203838270U true CN203838270U (en) | 2014-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420258538.8U Expired - Lifetime CN203838270U (en) | 2014-05-21 | 2014-05-21 | Lightning arrester state monitoring sensor system having WSN characteristics |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106707056A (en) * | 2016-11-30 | 2017-05-24 | 国网江苏省电力公司盐城供电公司 | Intelligent online monitoring system of lightning arrester based on Internet of Things technology |
-
2014
- 2014-05-21 CN CN201420258538.8U patent/CN203838270U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106707056A (en) * | 2016-11-30 | 2017-05-24 | 国网江苏省电力公司盐城供电公司 | Intelligent online monitoring system of lightning arrester based on Internet of Things technology |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140917 |