CN205176118U - Overvoltage on -line monitoring device - Google Patents
Overvoltage on -line monitoring device Download PDFInfo
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- CN205176118U CN205176118U CN201520716660.XU CN201520716660U CN205176118U CN 205176118 U CN205176118 U CN 205176118U CN 201520716660 U CN201520716660 U CN 201520716660U CN 205176118 U CN205176118 U CN 205176118U
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- 238000012806 monitoring device Methods 0.000 title abstract 3
- 238000012545 processing Methods 0.000 claims abstract description 29
- 238000004891 communication Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 5
- 238000005259 measurement Methods 0.000 claims description 14
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 238000003556 assay Methods 0.000 abstract 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 abstract 1
- 230000002159 abnormal effect Effects 0.000 description 3
- 208000033999 Device damage Diseases 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000004148 unit process Methods 0.000 description 1
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Abstract
The utility model discloses an overvoltage on -line monitoring device. Mainly solve exist among the prior art because current overvoltage monitoring technology can't monitor the truth that thunderbolt overvoltage, switching overvoltage take place, lead to the problem that power equipment and electric wire netting can not the safety and stability operation. This overvoltage on -line monitoring device including the shell, all sets up the power module in the shell, the input central processing module continuous with power module to and the display module, communication module, the measured module that all link to each other with central processing module, the input of display module still links to each other with power module, measured module is voltage measured module. The utility model discloses a when the overvoltage takes place, can the complete actual change process that accurately takes notes all kinds of overvoltage to the wave form and the data of complete save overvoltage provide the safety and stability operation of reliable foundation, assurance equipment and electric wire netting for maintainer assay cause of accident.
Description
Technical field
The utility model relates to a kind of voltage measuring apparatus, specifically, relates to a kind of on-line overvoltage monitor.
Background technology
Develop rapidly along with socioeconomic, the safety and reliability of operation of power networks is had higher requirement.Operating experience shows, the abnormal occurrence of some unknown causes is often there is in electric system, as the device damage etc. with lightning arrester paired running even appears in short circuit, tripping operation, high-voltage wire iron-melting fusing, Ferroresonance Damage in Systems, device damage, occur frequently at thunderstorm season especially.Though the damage of transformer under lightning arrester at different levels (this lightning arrester carries out testing normally) protection in such as thunderstorm season afterwards.In order to grasp rule and foundation that abnormal occurrence occurs, effectively analyze abnormal cause, must to the superpotential seizure occurred in operational system and analysis.
The superpotential feature of system lightning wave is 1.2/50 μ s (3.65MHz), and it is 1.2/3 μ s (3.65MHz) that thunder and lightning cuts the superpotential feature of ripple, and the feature of switching overvoltage is 250/2500 μ s (17.5kHz).The highest responsive bandwidth 5ms of existing voltage transformer (VT) (200kHz).
For above-mentioned three kinds of superpotential monitorings, existing fault oscillograph and voltage transformer (VT) are inadequate due to frequency response, cannot monitor Lightning Over-voltage, truth that switching overvoltage occurs.Therefore, by the research to superpotential feature, Development and Production go out high performance, high sample frequency, the on-line overvoltage monitor of robotization, when realizing superpotential generation, all kinds of superpotential actual change process can be recorded complete and accurate, and the superpotential waveform of complete preservation and data, provide reliable basis for maintainer analyzes culprit, ensure that the safe and stable operation of equipment and electrical network is extremely important.
Utility model content
The purpose of this utility model is to provide a kind of on-line overvoltage monitor, mainly solve in prior art exist due to the truth that existing over-voltage monitoring technology cannot monitor Lightning Over-voltage, switching overvoltage occurs, cause power equipment and electrical network can not the problem of safe and stable operation.
To achieve these goals, the technical solution adopted in the utility model is as follows:
A kind of on-line overvoltage monitor, comprises shell, is all arranged at the power module in shell, the central processing module that input end is connected with power module, and the display module, communication module, the measurement module that are all connected with central processing module; The input end of described display module is also connected with power module, and described measurement module is voltage measurement module.
Particularly, described central processing module comprises central processing unit, the storer be all connected with central processing unit, A/D converter, watchdog circuit, serial port circuit, and display module, communication module, measurement module are all connected with central processing unit.
As preferably, shell adopts 2U, half-breadth 19 " the added cabinet of standard, this cabinet can be arranged on 19 easily " on rack, in order to ensure the security in using, this cabinet is also provided with reliable earth point.
Central processing unit adopts the Spartan-6 Series FPGA chip XC6SLX150 of Xilinx as process chip, and display module adopts STC89C58 chip as display chip; Watchdog circuit adopts DS1286 chip; A/D converter adopts ADS7864 chip; Memory module adopts M27C1024 as storage chip; Power module is made up of power management chip and power-switching circuit, is the working power of 90 ~ 300VDC or 175 ~ 264VAC in order to provide voltage.
Compared with prior art, the utility model has following beneficial effect:
(1) the utility model effectively can catch the duration such as Lightning Over-voltage, switching overvoltage extremely short electric network fault Wave data.
(2) the utility model can be shown by display module and point out failure message, and the result of central processing unit also sends by communication module, for patrol officer understands equipment running status in time, has ensured the safe and stable operation of equipment and electrical network.
Accompanying drawing explanation
Fig. 1 is system chart of the present utility model.
Fig. 2 is the system chart of the utility model central processing module.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, and embodiment of the present utility model includes but not limited to the following example.
Embodiment
As shown in Figure 1, a kind of on-line overvoltage monitor, comprise shell, and the power module, display module, communication module, the measurement module that are arranged in shell, wherein, the input end of central processing module is connected with power module, and display module, communication module, measurement module are all connected with central processing module, and the input end of display module is also connected with power module; In the present embodiment, measurement module is voltage measurement module.
As shown in Figure 2, central processing module comprises central processing unit, the storer be all connected with central processing unit, A/D converter, watchdog circuit, serial port circuit, and display module, communication module, measurement module are all connected with central processing unit.
In the present embodiment, central processing unit adopts the Spartan-6 Series FPGA chip XC6SLX150 of Xilinx as process chip, and display module adopts STC89C58 chip as display chip; Watchdog circuit adopts DS1286 chip; A/D converter adopts ADS7864 chip; Memory module adopts M27C1024 as storage chip; Power module is made up of power management chip and power-switching circuit, is the working power of 90 ~ 300VDC or 175 ~ 264VAC in order to provide voltage.
In the present embodiment, shell adopts 2U, half-breadth 19 " the added cabinet of standard, this cabinet can be arranged on 19 easily " on rack, in order to ensure the security in using, this cabinet is also provided with reliable earth point.
Display chip STC89C58 one end is connected with power module, and the other end is connected with central processing unit, the two real-time communication, and display module can show each road magnitude of voltage in real time.
The course of work of the present utility model is as follows:
1, voltage measurement module can carry out high-speed sampling to 3 road voltage signals, and transmits it to central processing unit;
2, central processing unit processes sampled data, and result is transferred to storer and carries out storing and display module shows in real time;
3, simultaneously, the result of central processing unit also sends by communication module.
In the utility model, each module, device and circuit are prior art, just more do not speak more bright at this.
According to above-described embodiment, just the utility model can be realized well.What deserves to be explained is; under prerequisite based on said structure design; for solving same technical matters; even if some making on the utility model are without substantial change or polishing; the essence of the technical scheme adopted is still the same with the utility model, therefore it also should in protection domain of the present utility model.
Claims (5)
1. an on-line overvoltage monitor, it is characterized in that, comprise shell, be all arranged at the power module in shell, the central processing module that input end is connected with power module, and the display module, communication module, the measurement module that are all connected with central processing module; The input end of described display module is also connected with power module, and described measurement module is voltage measurement module.
2. a kind of on-line overvoltage monitor according to claim 1, it is characterized in that, described central processing module comprises central processing unit, the storer be all connected with central processing unit, A/D converter, watchdog circuit, serial port circuit, display module, communication module, measurement module are all connected with central processing unit.
3. a kind of on-line overvoltage monitor according to claim 2, is characterized in that, described shell is 2U half-breadth 19 " the added cabinet of standard, and cabinet is also provided with earth point.
4. a kind of on-line overvoltage monitor according to claim 3, is characterized in that, described central processing unit adopts XC6SLX150 chip as process chip.
5. a kind of on-line overvoltage monitor according to claim 4, is characterized in that, described display module adopts STC89C58 chip as display chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520716660.XU CN205176118U (en) | 2015-09-16 | 2015-09-16 | Overvoltage on -line monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520716660.XU CN205176118U (en) | 2015-09-16 | 2015-09-16 | Overvoltage on -line monitoring device |
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| Publication Number | Publication Date |
|---|---|
| CN205176118U true CN205176118U (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520716660.XU Active CN205176118U (en) | 2015-09-16 | 2015-09-16 | Overvoltage on -line monitoring device |
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| Country | Link |
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| CN (1) | CN205176118U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109581170A (en) * | 2018-12-06 | 2019-04-05 | 贵州电网有限责任公司 | A kind of high frequency response bandwidth Lightning Over-voltage on-line monitoring system |
-
2015
- 2015-09-16 CN CN201520716660.XU patent/CN205176118U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109581170A (en) * | 2018-12-06 | 2019-04-05 | 贵州电网有限责任公司 | A kind of high frequency response bandwidth Lightning Over-voltage on-line monitoring system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 556000 No.3, Ningbo West Road, Kaili City, Qiandongnan Miao and Dong Autonomous Prefecture, Guizhou Province Patentee after: KAILI POWER SUPPLY BUREAU, GUIZHOU POWER GRID CO.,LTD. Patentee after: Chengdu Xingyu Rongke Power Electronics Co.,Ltd. Address before: 556000 No.3, Ningbo West Road, Kaili City, Qiandongnan Miao and Dong Autonomous Prefecture, Guizhou Province Patentee before: KAILI POWER SUPPLY BUREAU Patentee before: CHENGDU XINGYU ENERGY-SAVING TECHNOLOGY CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231208 Address after: 550001 No.17 Binhe Road, Nanming District, Guiyang City, Guizhou Province Patentee after: Guizhou Power Grid Co.,Ltd. Address before: 556000 No.3, Ningbo West Road, Kaili City, Qiandongnan Miao and Dong Autonomous Prefecture, Guizhou Province Patentee before: KAILI POWER SUPPLY BUREAU, GUIZHOU POWER GRID CO.,LTD. Patentee before: Chengdu Xingyu Rongke Power Electronics Co.,Ltd. |
|
| TR01 | Transfer of patent right |