CN205317831U - Integration arrester on -line monitoring protection system - Google Patents
Integration arrester on -line monitoring protection system Download PDFInfo
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- CN205317831U CN205317831U CN201520970841.5U CN201520970841U CN205317831U CN 205317831 U CN205317831 U CN 205317831U CN 201520970841 U CN201520970841 U CN 201520970841U CN 205317831 U CN205317831 U CN 205317831U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 20
- 238000012806 monitoring device Methods 0.000 claims abstract description 13
- 238000004891 communication Methods 0.000 claims abstract description 12
- 230000001052 transient effect Effects 0.000 claims description 56
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 150000001879 copper Chemical class 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 abstract description 4
- 238000011161 development Methods 0.000 abstract 1
- 230000000192 social effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 230000000670 limiting effect Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 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 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model relates to an overvoltage protection technical field among the electric power system especially relates to the arrester on -line monitoring's that unifies protection system. The utility model discloses a forceful electric power side protection circuit and light current side protection circuit, wherein light current side protection circuit includes communication interface protection circuit and power source protection circuit again. The utility model discloses a to integration arrester on -line monitoring device, combine its structural feature and applied environment and the protection system and method for of special development, can ensure monitoring devices safety, move steadily. Forceful electric power side protection circuit can pass through arrester type test, and light current side protection circuit can be through electromagnetic compatibility 4 level standard. The utility model discloses application significance is great, plays the safe operation of guarantee integration arrester on -line monitoring device and even electric wire netting, has great economic benefits and social effect.
Description
Technical field
This utility model relates to over-voltage protection technique field in power system, particularly relates to the protection system and method for a kind of integration spark gap on-Line Monitor Device.
Background technology
In power system, spark gap on-Line Monitor Device is widely used. traditional spark gap on-line monitoring mode is to adopt mechanical type ammeter and count table to monitor spark gap running status, there is error and can not teletransmission in data, domestic later occur in that electronic type spark gap on-Line Monitor Device successively, possesses data remote function, but it but can not replace traditional spark gap on-Line Monitor Device completely, reason is in that maintainer needs to utilize tradition count table to draw and measures point for site examining and repairing, and electronic type spark gap on-Line Monitor Device cannot draw measurement point, it is simultaneously attached on lightning arrester body so device is mostly monitored by two kinds in scene, it is complicated that this results in monitoring apparatus structure, install and safeguard loaded down with trivial details.
For the problems referred to above, integration spark gap on-Line Monitor Device is arisen at the historic moment, mechanical type is monitored device by it and electronic type monitoring device unites two into one, both measurement point can be provided for maintainer, the intelligent demand of spark gap on-line monitoring can be met again, break the traditional structure that two kinds of monitoring devices are installed simultaneously, simplified installation and maintenance work, improve the stability of monitoring plant running.
Spark gap on-Line Monitor Device needs, when bearing the overvoltage such as thunderbolt and impacting, still can to run normally, safely and steadly, so the protection system and method for monitoring device is very crucial. Integration spark gap on-line monitoring is a kind of brand-new monitoring method and thinking; the internal structure of its device is different from conventional any a on-Line Monitor Device; so design a set of for integration spark gap on-Line Monitor Device, and the protection system and method being suitable for its construction features is very necessary.
In sum, this utility model have studied the protection system and method for integration spark gap on-Line Monitor Device, ensures monitoring equipment safety, stably runs.
Summary of the invention
For above-mentioned problems of the prior art; the utility model proposes integration spark gap on-line monitoring protection system; purpose is the safety of protection integration spark gap on-Line Monitor Device comprehensively, and the extensive use of integrated spark gap on-Line Monitor Device provides safety guarantee.
The purpose of this utility model is achieved through the following technical solutions:
Integration spark gap on-line monitoring protection system, protects circuit and weak-feedback side of transmission line protection circuit including forceful electric power side, and wherein weak-feedback side of transmission line protection circuit includes again communication interface protection circuit and power interface protection circuit.
Described forceful electric power side protection circuit is by valve block, inductance, rectifier bridge, CBB electric capacity, transient voltage suppressor, and power resistor forms; One end of its middle valve plate and inductance connection, the other end of valve block is connected with power resistor, inductance is connected with rectifier bridge, rectifier bridge is connected with CBB electric capacity, CBB electric capacity is connected with transient voltage suppressor, and transient voltage suppressor is connected with power resistor, wherein, CBB electric capacity is in parallel with traditional mechanical watch, and transient voltage suppressor is in parallel with Intelligent electronic watch.
Described communication interface protection circuit 7 is by gas-discharge tube G1, resettable fuse F1, resettable fuse F2, transient voltage suppressor T1, transient voltage suppressor T2, transient voltage suppressor T3 composition; Wherein one end of gas-discharge tube G1 is connected with resettable fuse F1, the other end is connected with resettable fuse F2, resettable fuse F1 and transient voltage suppressor T1 and transient voltage suppressor T2 is connected, transient voltage suppressor T2 is connected with transient voltage suppressor T3, and transient voltage suppressor T3 and transient voltage suppressor T1 is connected with resettable fuse F2.
Described power interface protection circuit is by resettable fuse F3, transient voltage suppressor T4, varistor V1, varistor V2, diode D1, electric capacity C1, electric capacity C2, electric capacity C3, and common mode inductance L1 forms; Wherein one end of varistor V1 is connected with resettable fuse F3, the other end is connected with varistor V2 and diode D1, resettable fuse F3 is connected with the port 1 of electric capacity C1 and common mode inductance L1, the other end of electric capacity C1 is connected with port 2 and the diode D1 of common mode inductance L1, electric capacity C2, this three's parallel connection of electric capacity C3, transient voltage suppressor T4, overall two ends are connected with the port 3 of common mode inductance L1 and the port 4 of common mode inductance L1 respectively.
Described valve block is to be connected in parallel up and down by two valve blocks, end face and underrun copper sheet short circuit; Described copper sheet is connected with crust of the device, crust of the device ground connection; Two valve block sandwich another one copper sheets, this copper sheet is connected with the leakage current input of monitoring device.
This utility model has the advantage that and provides the benefit that: this utility model is for integration spark gap on-Line Monitor Device; the protection system and method developed specially in conjunction with its construction features and applied environment, it is possible to ensure monitoring equipment safety, stably run. Forceful electric power side protection circuit can pass through spark gap type approval test, and weak-feedback side of transmission line protection circuit can pass through electromagnetic compatibility 4 grade standard. This utility model application value is great, plays the safe operation ensureing integration spark gap on-Line Monitor Device or even electrical network, has bigger economic benefit and social meaning.
Below in conjunction with drawings and Examples, this utility model is described in detail.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present utility model;
Fig. 2 is communication interface of the present utility model protection circuit theory diagrams;
Fig. 3 is power interface of the present utility model protection circuit theory diagrams.
In figure: valve block 1, inductance 2, rectifier bridge 3; CBB electric capacity 4, transient voltage suppressor 5, power resistor 6; communication interface protection circuit 7, power interface protection circuit 8, gas-discharge tube G1; resettable fuse F1; resettable fuse F2, resettable fuse F3, transient voltage suppressor T1; transient voltage suppressor T2; transient voltage suppressor T3, transient voltage suppressor T4, varistor V1; varistor V2; diode D1, electric capacity C1, electric capacity C2; electric capacity C3, common mode inductance L1.
Detailed description of the invention
This utility model is integration spark gap on-line monitoring protection system; for the integration distinctive construction features of spark gap on-Line Monitor Device; from forceful electric power side and weak-feedback side of transmission line, monitoring device is comprehensively and systematically protected, ensure monitoring equipment safety, stably run.
This utility model mainly includes forceful electric power side protection circuit and weak-feedback side of transmission line protection circuit, and wherein weak-feedback side of transmission line protection circuit includes again communication interface protection circuit and power interface protection circuit. Forceful electric power side protection circuit can pass through spark gap type approval test, and weak-feedback side of transmission line protection circuit can pass through electromagnetic compatibility 4 grade standard.
Forceful electric power side protection circuit is by valve block 1, inductance 2, rectifier bridge 3, CBB electric capacity 4, transient voltage suppressor 5, and power resistor 6 forms;
Communication interface protection circuit 7 is by gas-discharge tube G1, resettable fuse F1, recovery electric fuse F2, transient voltage suppressor T1, transient voltage suppressor T2, transient voltage suppressor T3 composition; When big electric current enters communication interface, transient voltage suppressor first turns on, and leakage current also plays pressure limiting effect, along with the increase of dash current, gas-discharge tube begins to turn on, the through-current capacity of gas-discharge tube is very big, it is possible to most dash current of releasing, when dash current increases further, resettable fuse fuses, cutting off the electric current flowing to electric fuse rear end, now, dash current is all released from gas-discharge tube.
Power interface protection circuit 8 is by resettable fuse F3, transient voltage suppressor T4, varistor V1, varistor V2, diode D1, electric capacity C1, electric capacity C2, electric capacity C3, and common mode inductance L1 forms. When dash current arrives, first electric capacity absorb electric current, suppress voltage jump, play cushioning effect, when electric capacity charge accumulated to a certain extent time, transient voltage suppressor begins to turn on, and plays leakage current and pressure limiting effect, along with the increase of dash current, varistor begins to turn on, the through-current capacity of varistor is very big, it is possible to most dash current of releasing, when dash current increases further, resettable fuse fuses, cutting off the electric current flowing to electric fuse rear end, now, dash current is all released from varistor. Common mode inductance in protection circuit has the effect suppressing current break, offsetting common mode current, and diode has the unidirectional general character, has anti-retroaction.
The detailed description of the invention of forceful electric power side protection circuit is as follows: one end of valve block 1 is connected with inductance 2; the other end is connected with power resistor 6; inductance 2 is connected with rectifier bridge 3; rectifier bridge 3 is connected with CBB electric capacity 4; CBB electric capacity 4 is connected with transient voltage suppressor 5, and transient voltage suppressor 5 is connected with power resistor 6, wherein; CBB electric capacity 4 is in parallel with traditional mechanical watch, and transient voltage suppressor 5 is in parallel with Intelligent electronic watch.
The detailed description of the invention of communication interface protection circuit is as follows: one end of gas-discharge tube G1 is connected with resettable fuse F1; the other end is connected with resettable fuse F2; resettable fuse F1 and transient voltage suppressor T1 and transient voltage suppressor T2 is connected; transient voltage suppressor T2 is connected with transient voltage suppressor T3, and transient voltage suppressor T3 and transient voltage suppressor T1 is connected with resettable fuse F2.
The detailed description of the invention of power interface protection circuit is as follows: one end of varistor V1 is connected with resettable fuse F3; the other end is connected with varistor V2 and diode D1; resettable fuse F3 is connected with the port 1 of electric capacity C1 and common mode inductance L1; the other end of electric capacity C1 is connected with port 2 and the diode D1 of common mode inductance L1; electric capacity C2, this three's parallel connection of electric capacity C3, transient voltage suppressor T4, overall two ends are connected with the port 3 of common mode inductance L1 and the port 4 of common mode inductance L1 respectively.
When overvoltage such as having thunderbolt causes lightning arrestor movement; have great leakage current and flow through integration lightning arrester monitoring device; now, forceful electric power side protection circuit just serves vital effect, and protection traditional mechanical watch and Intelligent electronic watch exempt from big circuit damage. Strong overvoltage also can sense on communication interface and the power interface of weak-feedback side of transmission line simultaneously, so weak-feedback side of transmission line is also required to protect accordingly circuit, the safety of protection Intelligent electronic watch.
When lightning arrestor movement, great leakage current flows into integration lightning arrester monitoring device, valve block transient switching, release most leakage current play the effect of pressure limiting, also have small part leakage current can flow to traditional mechanical watch and Intelligent electronic watch, this partial compromise electric current firstly flows through inductance, after the current limliting of inductance, flow into rectifier bridge, leakage current after rectification flows into CBB electric capacity and traditional mechanical watch, CBB electric capacity and traditional mechanical watch are parallel relationship, play absorption electric current, the effect of buffer mechanism table, afterwards, leakage current flows into transient voltage suppressor 5 and Intelligent electronic watch, transient voltage suppressor 5 and Intelligent electronic watch are parallel relationship, play the effect of shunting pressure limiting, then electric current flows through power resistor, further by current limliting, last leakage current flows out monitoring device.
This utility model is traditional mechanical watch and Intelligent electronic watch to be united two into one, and two kinds of tables are structurally series relationship, and the entirety after series connection and valve block are parallel relationship, and valve block has the function of pressure limiting, protection. When there being overvoltage, valve block transient switching, let out amplified current; When not having overvoltage, valve block is high-impedance state. This utility model, by used in parallel for valve block identical for two panels, increases the relieving capacity of electric current with this, protects circuit to provide powerful guarantee by spark gap type approval test for forceful electric power side.
The mounting structure of valve block, two valve blocks are connected in parallel up and down, end face and underrun copper sheet short circuit, and this copper sheet is connected with crust of the device, crust of the device ground connection; Two valve block sandwich another one copper sheets, this copper sheet is connected with the leakage current input of monitoring device. Such mounting structure had both achieved two valve block parallel connections, saved again device space, improve the safe distance between device internal components.
As it has been described above, embodiment of the present utility model has been described in detail, but as long as can have a lot of deformation essentially without disengaging utility model point of the present utility model and effect, this will be readily apparent to persons skilled in the art. Therefore, such variation is also integrally incorporated within protection domain of the present utility model.
Claims (5)
1. integration spark gap on-line monitoring protection system, it is characterised in that: including forceful electric power side protection circuit and weak-feedback side of transmission line protection circuit, wherein weak-feedback side of transmission line protection circuit includes again communication interface protection circuit and power interface protection circuit.
2. integration spark gap on-line monitoring protection system according to claim 1, it is characterised in that: described forceful electric power side protection circuit is by valve block (1), inductance (2), rectifier bridge (3), CBB electric capacity (4), transient voltage suppressor (5), power resistor (6) forms; One end of its middle valve plate (1) is connected with inductance (2), the other end of valve block (1) is connected with power resistor (6), inductance (2) is connected with rectifier bridge (3), rectifier bridge (3) is connected with CBB electric capacity (4), CBB electric capacity (4) is connected with transient voltage suppressor (5), and transient voltage suppressor (5) is connected with power resistor (6), wherein, CBB electric capacity (4) is in parallel with traditional mechanical watch, and transient voltage suppressor (5) is in parallel with Intelligent electronic watch.
3. integration spark gap on-line monitoring protection system according to claim 1, it is characterized in that: described communication interface protection circuit (7) is by gas-discharge tube G1, resettable fuse F1, resettable fuse F2, transient voltage suppressor T1, transient voltage suppressor T2, transient voltage suppressor T3 composition; Wherein one end of gas-discharge tube G1 is connected with resettable fuse F1, the other end is connected with resettable fuse F2, resettable fuse F1 and transient voltage suppressor T1 and transient voltage suppressor T2 is connected, transient voltage suppressor T2 is connected with transient voltage suppressor T3, and transient voltage suppressor T3 and transient voltage suppressor T1 is connected with resettable fuse F2.
4. integration spark gap on-line monitoring protection system according to claim 1, it is characterized in that: described power interface protection circuit (8) is by resettable fuse F3, transient voltage suppressor T4, varistor V1, varistor V2, diode D1, electric capacity C1, electric capacity C2, electric capacity C3, common mode inductance L1 forms; Wherein one end of varistor V1 is connected with resettable fuse F3, the other end is connected with varistor V2 and diode D1, resettable fuse F3 is connected with the port 1 of electric capacity C1 and common mode inductance L1, the other end of electric capacity C1 is connected with port 2 and the diode D1 of common mode inductance L1, electric capacity C2, this three's parallel connection of electric capacity C3, transient voltage suppressor T4, overall two ends are connected with the port 3 of common mode inductance L1 and the port 4 of common mode inductance L1 respectively.
5. integration spark gap on-line monitoring protection system according to claim 2, it is characterised in that: described valve block (1), is be connected in parallel up and down by two valve blocks, end face and underrun copper sheet short circuit; Described copper sheet is connected with crust of the device, crust of the device ground connection; Two valve block sandwich another one copper sheets, this copper sheet is connected with the leakage current input of monitoring device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520970841.5U CN205317831U (en) | 2015-11-30 | 2015-11-30 | Integration arrester on -line monitoring protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520970841.5U CN205317831U (en) | 2015-11-30 | 2015-11-30 | Integration arrester on -line monitoring protection system |
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| CN205317831U true CN205317831U (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520970841.5U Active CN205317831U (en) | 2015-11-30 | 2015-11-30 | Integration arrester on -line monitoring protection system |
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| CN (1) | CN205317831U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106932675A (en) * | 2017-04-14 | 2017-07-07 | 南京世都科技有限公司 | For the monitoring device of arrester |
| CN108761157A (en) * | 2018-04-24 | 2018-11-06 | 河南机电职业学院 | A kind of electronic message terminal |
| CN114844018A (en) * | 2022-05-31 | 2022-08-02 | 北京中石正旗技术有限公司 | Lightning protection switching system for shielding machine room |
-
2015
- 2015-11-30 CN CN201520970841.5U patent/CN205317831U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106932675A (en) * | 2017-04-14 | 2017-07-07 | 南京世都科技有限公司 | For the monitoring device of arrester |
| CN108761157A (en) * | 2018-04-24 | 2018-11-06 | 河南机电职业学院 | A kind of electronic message terminal |
| CN108761157B (en) * | 2018-04-24 | 2023-03-21 | 河南机电职业学院 | Electronic information terminal |
| CN114844018A (en) * | 2022-05-31 | 2022-08-02 | 北京中石正旗技术有限公司 | Lightning protection switching system for shielding machine room |
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