CN206223902U - A kind of fuse on-Line Monitor Device - Google Patents
A kind of fuse on-Line Monitor Device Download PDFInfo
- Publication number
- CN206223902U CN206223902U CN201621298489.6U CN201621298489U CN206223902U CN 206223902 U CN206223902 U CN 206223902U CN 201621298489 U CN201621298489 U CN 201621298489U CN 206223902 U CN206223902 U CN 206223902U
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- fuse
- current
- monitor device
- line monitor
- unit
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- 238000004891 communication Methods 0.000 claims abstract description 43
- 238000001514 detection method Methods 0.000 claims abstract description 26
- 230000005672 electromagnetic field Effects 0.000 claims abstract description 13
- 230000001939 inductive effect Effects 0.000 claims abstract description 9
- 230000008859 change Effects 0.000 claims description 27
- 230000001052 transient effect Effects 0.000 claims description 8
- 239000000835 fiber Substances 0.000 claims description 5
- 230000035772 mutation Effects 0.000 claims description 5
- 230000003321 amplification Effects 0.000 claims description 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 230000004927 fusion Effects 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 6
- 230000008439 repair process Effects 0.000 abstract description 4
- 238000012806 monitoring device Methods 0.000 abstract description 2
- 238000013024 troubleshooting Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 9
- 238000012544 monitoring process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 238000013500 data storage Methods 0.000 description 2
- 210000000352 storage cell Anatomy 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Abstract
The utility model discloses a kind of fuse on-Line Monitor Device, including Main Processor Unit, electromagnetic field inducing unit, and Current Voltage detection unit, positional information collecting unit, area communication units and the display unit being connected with Main Processor Unit, the electromagnetic field inducing unit is connected with Current Voltage detection unit；The on-Line Monitor Device is fixedly mounted on each fusion tube of fuse；The fuse parameters that on-Line Monitor Device will be detected are sent to communication terminal by the first area communication units, are then sent to system main website by communication terminal again.Above-mentioned line monitoring device, achievable fuse in itself, the real-time online detection of the running status of place circuit and load and parameter, with simple structure, low cost, it is easy for installation, communicate it is flexible the features such as, it is favorably improved the repair based on condition of component level of equipment, can also be by obtaining fault outage position in time, trouble shooting time can effectively be shortened, power supply reliability is improved.
Description
Technical field
The utility model is related to a kind of fuse on-Line Monitor Device, belongs to power network monitoring field.
Background technology
At present in medium-voltage distribution circuit, fuse has been obtained for widely using, and its principle relies primarily on selected
The fuse of different rated current limits line current, and when there is high current failure, electric current exceedes fuse rated current, fuse
Fusing disengagement failure, realizes the protection of distribution line.These fuses are mainly used in the high current error protection of distribution network, no
Possess intelligent functions.These fuses are during work, it is impossible to the running state data of Real-time Collection fuse, therefore
It is difficult to judge fuse performance and quality in itself, the division state and institute's on-load that also cannot in time grasp fuse stop band
Electricity condition, while also repair based on condition of component cannot be realized according to circuit where fuse and the operational factor of institute's on-load.
In view of this, the utility model people is studied this, specially develops a kind of fuse on-Line Monitor Device, this
Thus case produces.
Utility model content
The purpose of this utility model is to provide a kind of fuse on-Line Monitor Device, achievable fuse in itself, institute it is online
The real-time online detection of the running status and parameter of road and load is flexible with simple structure, low cost, easy for installation, communication
The features such as, the repair based on condition of component level of equipment is favorably improved, can also can effectively shorten event by obtaining fault outage position in time
The barrier lookup time, improve power supply reliability.
To achieve these goals, solution of the present utility model is：
A kind of fuse on-Line Monitor Device, including Main Processor Unit, electromagnetic field inducing unit, and and Main Processor Unit
Connected Current Voltage detection unit, positional information collecting unit, area communication units and display unit, the electromagnetic field inducing
Unit is connected with Current Voltage detection unit；The on-Line Monitor Device is fixedly mounted on each fusion tube of fuse；Online
The fuse parameters that monitoring device will be detected are sent to communication terminal by the first area communication units, then pass through again
Communication terminal is sent to system main website.
Preferably, the Main Processor Unit is using microprocessor control.
Preferably, the electromagnetic field inducing unit uses magnetic sensors, the positional information collecting unit to use magnetic
Resistance sensor.
Preferably, the Current Voltage detection unit includes fault current judging module and voltage-to-ground measure of the change mould
Block.Current Voltage detection unit is based on induced-current, and calculating flows through the AC compounent of fuse and the size of DC component；Pass through
Whether fault current judging module, the curent change that automatic detection flows through when the short circuit of fuse, thunder and lightning dodge exceedes failure door
Limit value, and automatic detection be grounded when transient state capacitance current whether exceed fault threshold；By voltage-to-ground measure of the change
The measurement of module measure traverse line and fuse discharge current over the ground, calculates line-to-earth voltage variable quantity.
Preferably, the fault current judging module includes the signal amplification circuit being connected with induced-current, the letter
The output end of number amplifying circuit connects direct current detecting circuit and exchanges detecting circuit, the output end of the direct current detecting circuit respectively
Connection DC component decision circuit, realizes that transient state capacitance current thresholding is sentenced by direct current detecting circuit and DC component decision circuit
Disconnected output；The output end of the exchange detecting circuit connects power frequency component high current amplitude decision circuit respectively and high-frequency signal is big
Current amplitude decision circuit, wherein, exchange detecting circuit and power frequency component high current amplitude decision circuit realize power frequency heavy-current
Mutation threshold judgement output, exchange detecting circuit and high-frequency signal high current amplitude decision circuit realize that high frequency high current is mutated door
Limit judgement output.
Preferably, the voltage-to-ground measure of the change module includes the condenser network being connected with high-voltage conducting wires, for surveying
The discharge current measuring circuit of condenser network capacitance current size is measured, and the average sampling being connected with discharge current measuring circuit
Circuit, high-voltage conducting wires voltage-to-ground changing value is obtained by voltage-to-ground measure of the change module.
Preferably, the area communication units use radio communication or fiber optic communication, set up on-Line Monitor Device and lead to
Data communication channel between letter terminal.
Fuse on-Line Monitor Device described in the utility model can realize fuse in itself, the fortune of place circuit and load
The real-time online detection of row state and parameter, has the following advantages that：
1) power circuit electric current and voltage change, and automatic identification fault current and corresponding electricity are detected using analog circuit
Buckling, so that triggering primary processor carries out accident analysis and judgement；
2) using miniaturization positional information collecting unit, the location status change of on-Line Monitor Device, so as to obtain in time
The change in location of fuse fusion tube, judges the division state of fuse, and obtain circuit stops electriferous state；
3）Using wirelessly or non-wirelessly communication mode, fuse on-Line Monitor Device is set up, realize fuse failure information, fortune
The Real-time Collection of row data, status data, realizes the intellectuality of fuse；
4) on-Line Monitor Device is installed on fuse, without external power supply or other equipment, and simple structure, entirety
It is low in energy consumption, it is capable of achieving terminal installation miniaturization, simple and convenient etc. requirement is installed；Can be adopted between on-Line Monitor Device and communication terminal
With short-distance wireless communication, the insulating requirements of circuit and equipment are met.
The utility model is described in further detail below in conjunction with drawings and the specific embodiments.
Brief description of the drawings
Fig. 1 is the fuse on-Line Monitor Device connection signal block diagram of the present embodiment；
Fig. 2 is the on-Line Monitor Device theory diagram of the present embodiment；
Fig. 3 is the fault current judging module block diagram of the present embodiment；
Fig. 4 is the voltage-to-ground measure of the change module frame chart of the present embodiment.
Specific embodiment
As shown in figure 1, a kind of fuse on-Line Monitor Device described in the present embodiment is applied to fuse on-line monitoring system
In system, the fuse on-line monitoring system includes on-Line Monitor Device 1, and by communication terminal 2 and on-Line Monitor Device 1
Connected system main website 3.3 on-Line Monitor Devices 1 constitute one group, and the molten of fuse is fixedly mounted on using stage clip or band
Guan Shang, measures the same group of change of the electric current and voltage signal of fuse A phases, B phases and C phases, so that measurement circuitry load respectively
Electric current, fault current, detect line fault, detect the fusion tube position of fuse so as to judge fuse division state；By electric current
The data such as data, fault type, fuse division state are sent to local by short-distance wireless communication or fiber optic communication
Communication terminal 2.Communication terminal 2 is used to receive current data, fault message, the fuse division of local on-Line Monitor Device 1
The data such as state, by the telecommunication mode teletransmission such as GPRS/3G radio communications, fiber optic communication to system main website 3.System master
3 are stood for receiving and processing the various data that communication terminal is uploaded, the real-time online of the running status of circuit and fuse is realized
The functions such as monitoring, historical data statistical query and equipment state overhauling.On-Line Monitor Device 1 is installed on fuse, without outer
Power supply or other equipment are connect, and simple structure, overall power are low, are capable of achieving terminal installation miniaturization, install simple and convenient etc. wanting
Ask；Short-distance wireless communication can be used between on-Line Monitor Device 1 and communication terminal 2, the insulation for meeting circuit and equipment will
Ask.
As shown in Fig. 2 in the present embodiment, the fuse on-Line Monitor Device 1 includes Main Processor Unit 11, electromagnetic field
Sensing unit 12, and the Current Voltage detection unit 13, positional information collecting unit 14, local being connected with Main Processor Unit 11
Communication unit 15, display unit 16, power supply unit 17, data storage cell 18 and clock unit 19, wherein, the electromagnetic field sense
Unit 12 is answered to be connected with Current Voltage detection unit 13, unit function is as follows：
1）Main Processor Unit 11：Based on the change of fuse voltage-to-ground, failure that Current Voltage detection unit 13 is detected
The parameters such as electric current, ground connection, short circuit or the lightning fault for entering row line judges；Event and data time are entered based on clock unit 19
Line flag；By area communication units 15, with wireless or optical fiber solutions by fault type, measurement data, fuse position and
The information transmissions such as division state are to communication terminal 2；Display unit 16 carries out failure on the spot using LED or color display window
Indicate；
2）Electromagnetic field inducing unit 12：Using the high-voltage electromagnetic field around fuse, induced-current is obtained；Using fuse
The electrical potential difference of voltage-to-ground and air dielectric, obtains wire atmospherical discharges electric current；
3）Current Voltage detection unit 13：Based on induced-current, calculating flows through the AC compounent and DC component of fuse
Size；Decision circuit is mutated by high current, the curent change that automatic detection flows through when the short circuit of fuse, thunder and lightning dodge is
It is no more than fault threshold；By low current DC component decision circuit, whether transient state capacitance current when automatic detection is grounded
More than fault threshold；By the measurement of measure traverse line and fuse discharge current over the ground, line-to-earth voltage change is calculated
Amount；
4）Positional information collecting unit 14：The position that the on-Line Monitor Device 1 being fixed on fuse fusion tube can be obtained becomes
Change and positional information.At present, existing many type sensors have put it into commercial operation, such as magnetoresistive transducer, it is adaptable to small size, low
Power consumption requirements equipment high is used.Terminal installation is using miniaturization positional information collecting unit, the position shape of on-Line Monitor Device
State changes, so as to obtain the change in location of fuse fusion tube in time, judges the division state of fuse, and obtain circuit stops powered
State；
5）Area communication units 15：The modes such as short-distance wireless communication, fiber optic communication can be supported, is On-line Fault monitoring dress
Offer data communication channel is provided.Using wirelessly or non-wirelessly communication mode, fuse on-Line Monitor Device is set up, realize fuse event
Barrier information, service data, the Real-time Collection of status data, realize the intellectuality of fuse；
6）Display unit 16：With LED or color display window, can acceptor's chip controls show corresponding failure shape
State；
7）Power supply unit 17：Electric energy is obtained using modes such as sensing power taking, solar energy power taking, backup batteries, and is each
Functional unit provides power supply；
8) data storage cell 18：The detected related data of storage, when such as local communication is interrupted, can support breakpoint
Resume or retransmit；
9）Clock unit 19：Can obtain communication terminal 2 pair when instruct, for the master chip of Main Processor Unit 11 is provided accurately
Pair when, it is ensured that data and system synchronization that on-Line Monitor Device 1 gathered and uploaded.
In the present embodiment, the Current Voltage detection unit 13 includes that fault current judging module and voltage-to-ground change
Measurement module.Current Voltage detection unit 13 is based on induced-current, and calculating flows through the AC compounent and DC component of fuse
Size；By fault current judging module, whether the curent change that automatic detection flows through when the short circuit of fuse, thunder and lightning dodge surpasses
Cross fault threshold, and whether transient state capacitance current of automatic detection when being grounded exceedes fault threshold；By voltage-to-ground
The measurement of measure of the change module measure traverse line and fuse discharge current over the ground, calculates line-to-earth voltage variable quantity.
As shown in figure 3, the fault current judging module includes and faradic signal amplification circuit 131, the letter
The output end of number amplifying circuit 131 is connected to direct current detecting circuit 132 and exchanges detecting circuit 133, the direct current detection
The output end connection DC component decision circuit 134 of circuit 132, it is real by detecting circuit 132 and DC component decision circuit 134
Existing transient state capacitance current thresholding judges output；The output end of the exchange detecting circuit 133 connects power frequency component high current respectively
Amplitude decision circuit 135 and high-frequency signal high current amplitude decision circuit 136, wherein, exchange detecting circuit 133 and power frequency component
High current amplitude decision circuit 135, realizes power frequency heavy-current mutation threshold judgement output, exchange detecting circuit 133 and high frequency letter
Number high current amplitude decision circuit 136, realizes the mutation threshold judgement output of high frequency high current.Each circuit concrete function is as follows：
1）Signal amplifies electric current 131：Put the induced-current for obtaining is changed by the electromagnetic field around wire by linear
Big device is amplified, and separates two-way and made decisions using distinct methods；
2）Direct current detecting circuit 132：By Waveform Matching circuit, the transient state capacitance current component of signal in branch 1 is obtained,
Filter power frequency, high frequency and other component of signals；
3）DC component decision circuit 134：Transient current current signal component to obtaining carries out amplitude com parison, and judgement should
Whether signal is fault-current signal；
4）Exchange detecting circuit 133：By Waveform Matching circuit, power frequency component component and the high frequency letter in branch 2 are obtained
Number component；
5）Power frequency component decision circuit 135：Whether power frequency component component to obtaining carries out the amplitude rate of exchange, adjudicates the signal
It is fault-current signal；
6）High-frequency signal decision circuit 136：Whether high frequency component signal to obtaining carries out the amplitude rate of exchange, adjudicates the signal
It is fault-current signal.
As shown in figure 4, the voltage-to-ground measure of the change module includes the condenser network 137 being connected with high-voltage conducting wires, use
In the discharge current measuring circuit 138 of measurement condenser network capacitance current size, and it is connected with discharge current measuring circuit 138
Average sample circuit 139, high-voltage conducting wires voltage-to-ground changing value is obtained by voltage-to-ground measure of the change module.Each circuit tool
Body function is as follows：
1）Condenser network 137：High-voltage conducting wires over the ground between air dielectric there are the feelings of voltage in high-voltage conducting wires and the earth
Under condition, there is faint discharge current, alternation weak current is switched into capacitance discharge current using condenser network, be easy to measurement；
2）Discharge current measuring circuit 138：Capacitance current size is measured by high precision electro flow measurement circuitry；
3）Average sample circuit 139：The capacitance current average amplitude in setting cycle is obtained, when average amplitude change exceedes
During setting thresholding, by the first Main Processor Unit by surveying capacitance current average amplitude variable quantity, calculate wire voltage-to-ground and become
One of change amount, the foundation adjudicated as failure.
Fuse on-Line Monitor Device described in the present embodiment detects that power circuit electric current and voltage become using analog circuit
Change, and automatic identification fault current and corresponding voltage change, so that triggering primary processor 11 carries out accident analysis and judgement.
Fuse on-Line Monitor Device described in the present embodiment, achievable fuse in itself, the fortune of place circuit and load
Row state and parameter real-time online detection, with simple structure, low cost, it is easy for installation, communicate it is flexible the features such as, contribute to
The repair based on condition of component level of raising equipment, can also can effectively shorten trouble shooting time by obtaining fault outage position in time, carry
Power supply reliability high.
Above-described embodiment and schema and non-limiting product form of the present utility model and style, any art
Appropriate change or modification that those of ordinary skill is done to it, all should be regarded as not departing from patent category of the present utility model.
Claims (7)
1. a kind of fuse on-Line Monitor Device, it is characterised in that：Including Main Processor Unit, electromagnetic field inducing unit, Yi Jiyu
The connected Current Voltage detection unit of Main Processor Unit, positional information collecting unit, area communication units and display unit, it is described
Electromagnetic field inducing unit is connected with Current Voltage detection unit；The on-Line Monitor Device be fixedly mounted on fuse each melt
Guan Shang；The fuse parameters that on-Line Monitor Device will be detected are sent to communication terminal by the first area communication units,
Then system main website is sent to by communication terminal again.
2. a kind of fuse on-Line Monitor Device as claimed in claim 1, it is characterised in that：The Main Processor Unit is using micro-
Processor is controlled.
3. a kind of fuse on-Line Monitor Device as claimed in claim 1, it is characterised in that：The electromagnetic field inducing unit is adopted
With magnetic sensors, the positional information collecting unit uses magnetoresistive transducer.
4. a kind of fuse on-Line Monitor Device as claimed in claim 1, it is characterised in that：The Current Voltage detection unit
Including fault current judging module and voltage-to-ground measure of the change module.
5. a kind of fuse on-Line Monitor Device as claimed in claim 4, it is characterised in that：The fault current judging module
Including the signal amplification circuit being connected with induced-current, the output end of the signal amplification circuit connects direct current detecting circuit respectively
With exchange detecting circuit, the output end connection DC component decision circuit of the direct current detecting circuit, by direct current detecting circuit
Realize that transient state capacitance current thresholding judges output with DC component decision circuit；The output end of the exchange detecting circuit connects respectively
Connect power frequency component high current amplitude decision circuit and high-frequency signal high current amplitude decision circuit, wherein, exchange detecting circuit and
Power frequency component high current amplitude decision circuit realizes power frequency heavy-current mutation threshold judgement output, exchange detecting circuit and high frequency letter
Number high current amplitude decision circuit realizes the mutation threshold judgement output of high frequency high current.
6. a kind of fuse on-Line Monitor Device as claimed in claim 4, it is characterised in that：The voltage-to-ground measure of the change
Module includes the condenser network being connected with high-voltage conducting wires, and the discharge current for measuring condenser network capacitance current size measures electricity
Road, and the average sample circuit being connected with discharge current measuring circuit.
7. a kind of fuse on-Line Monitor Device as claimed in claim 1, it is characterised in that：The area communication units are used
Radio communication or fiber optic communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621298489.6U CN206223902U (en) | 2016-11-30 | 2016-11-30 | A kind of fuse on-Line Monitor Device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621298489.6U CN206223902U (en) | 2016-11-30 | 2016-11-30 | A kind of fuse on-Line Monitor Device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206223902U true CN206223902U (en) | 2017-06-06 |
Family
ID=58787405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621298489.6U Expired - Fee Related CN206223902U (en) | 2016-11-30 | 2016-11-30 | A kind of fuse on-Line Monitor Device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206223902U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318731A (en) * | 2018-01-26 | 2018-07-24 | 吉林市盈冲科技有限公司 | Boosting cable, lateral connection line current on-Line Monitor Device |
| CN110703162A (en) * | 2019-09-18 | 2020-01-17 | 国网江苏省电力有限公司淮安市洪泽区供电分公司 | Distribution lines fuse fault detection device |
| CN112345927A (en) * | 2020-08-20 | 2021-02-09 | 北京国电通网络技术有限公司 | Monitoring system and intelligent fuse of fuse |
| CN112630704A (en) * | 2020-12-22 | 2021-04-09 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Fuse state on-line monitoring device |
| US11874342B2 (en) | 2021-12-20 | 2024-01-16 | Caterpillar Inc. | Method to determine fuse health |
-
2016
- 2016-11-30 CN CN201621298489.6U patent/CN206223902U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318731A (en) * | 2018-01-26 | 2018-07-24 | 吉林市盈冲科技有限公司 | Boosting cable, lateral connection line current on-Line Monitor Device |
| CN110703162A (en) * | 2019-09-18 | 2020-01-17 | 国网江苏省电力有限公司淮安市洪泽区供电分公司 | Distribution lines fuse fault detection device |
| CN112345927A (en) * | 2020-08-20 | 2021-02-09 | 北京国电通网络技术有限公司 | Monitoring system and intelligent fuse of fuse |
| CN112345927B (en) * | 2020-08-20 | 2023-07-07 | 北京国电通网络技术有限公司 | Monitoring system of fuse and intelligent fuse |
| CN112630704A (en) * | 2020-12-22 | 2021-04-09 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Fuse state on-line monitoring device |
| US11874342B2 (en) | 2021-12-20 | 2024-01-16 | Caterpillar Inc. | Method to determine fuse health |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170606 Termination date: 20171130 |