CN105244854B - A kind of electric arc light protection method with 360 degree of omnidirectional's monitorings and NFC monitoring functions - Google Patents
A kind of electric arc light protection method with 360 degree of omnidirectional's monitorings and NFC monitoring functions Download PDFInfo
- Publication number
- CN105244854B CN105244854B CN201510619898.5A CN201510619898A CN105244854B CN 105244854 B CN105244854 B CN 105244854B CN 201510619898 A CN201510619898 A CN 201510619898A CN 105244854 B CN105244854 B CN 105244854B
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- arc light
- arc
- sensor
- nfc
- protective device
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
- H02H1/0015—Using arc detectors
- H02H1/0023—Using arc detectors sensing non electrical parameters, e.g. by optical, pneumatic, thermal or sonic sensors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
- H02H3/10—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current additionally responsive to some other abnormal electrical conditions
- H02H3/105—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current additionally responsive to some other abnormal electrical conditions responsive to excess current and fault current to earth
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/32—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
- H02H3/33—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
- H02H3/334—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers with means to produce an artificial unbalance for other protection or monitoring reasons or remote control
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
- H02H5/041—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature additionally responsive to excess current
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal fluid pressure, liquid level or liquid displacement, e.g. Buchholz relays
- H02H5/083—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal fluid pressure, liquid level or liquid displacement, e.g. Buchholz relays responsive to the entry or leakage of a liquid into an electrical appliance
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a kind of electric arc light protection method with 360 degree of omnidirectional's monitorings and NFC monitoring functions; patrol officer wears arc light portable sensor; inspection terminal is held by NFC to be in communication with each other with the NFC module in arc light portable sensor or arc light protective device, and the inspection data of collection are sent to NFC cruising inspection systems；Arc light portable sensor carries out real-time Communication for Power by wireless transceiver and interchanger with arc light protective device; patrol officer is followed to complete arc light directional monitoring; arc light protective device by transparent optical fibers sensor completes that the first transformer terminal and the second transformer terminal, and the first low-voltage bus bar and the second low-voltage bus bar are connected terminal and carry out 360 degrees omnidirection arc light monitoring.The present invention is designed using distributed mode, is suitable as the protection of mesolow double-bus, possesses flexible attributes of network, and can complete arc light detecting of the 360 degrees omnidirection without dead angle by transparent optical fibers with NFC cruising inspection system interactive communications.
Description
Technical field
The present invention relates to arc protection field, has 360 degree of omnidirectional's monitorings and NFC monitoring functions more particularly to a kind of
Electric arc light protection method.
Background technology
In power system, the bus of 35kV and following voltage class does not install bus protection typically.It is however, low due in
Outlet on pressure bus is more, frequent operation, and the distance of three-phase conductor wire spacing and the earth is closer, is easily endangered by toy
Evil, device fabrication quality is poorer than high-tension apparatus, and apparatus insulated aging and mechanical wear, service condition is severe, system operation conditions
Change, reason, the probability of failure of middle voltage bus bar such as artificial and operating mistake are more much higher than high pressure, super-pressure bus.It is but long-term
Since, protection of the people to middle voltage bus bar is paid little attention to always, does not also find advanced rational solution, therefore, mostly
Failure on bus is cut off using the back-up protection with larger delay, failure is developed, expanded, it is huge so as to cause
Big economic loss.In recent years, because a variety of causes mesolow switchgear is seriously burnt, some even develops into serious
Fire disaster, and main transformer is because the accident damaged by external short circuit rush of current also increases year by year, these distribution accidents
Deal with improperly or even be extended and develop into power transmission network accident, cause great economic loss, caused the extensive pass of power department
Note.Trace it to its cause is because without installing middle voltage bus bar protection, caused by failing quickly to cut off failure mostly.So in order to
Ensure the safe operation of transformer and bus switchgear, it is special there is an urgent need to configure according to the requirement of rapidity of relay protection
The and can of middle voltage bus bar protection protects the monarch-type of bus and feeder line is a kind of to have 360 degree of omnidirectional's monitorings and NFC monitoring simultaneously
The electric arc light protection method of function.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide one kind to have 360 degree of omnidirectional's monitorings and NFC monitoring
The electric arc light protection method of function.
The purpose of the present invention is achieved through the following technical solutions：One kind has 360 degree of omnidirectional's monitorings and NFC monitoring
The electric arc light protection method of function, including following multiple steps：
S1, patrol officer wear arc light portable sensor, and it is portable with being arranged on arc light to hold inspection terminal by NFC
NFC module in sensor or arc light protective device is in communication with each other, and the inspection data of collection are sent to NFC inspections
System.
S2, the arc light portable sensor are carried out real-time by wireless transceiver and interchanger with arc light protective device
Communication, patrol officer is followed to complete arc light directional monitoring.
S3, arc light protective device carry out real-time arc light detecting by arc photosensor to the first transformer terminal, and detection is
It is no to have arc light, monitor the current signal of the first transformer in real time by the first current sensor, detect current increment；If detect
Arc light or current anomaly, and processing is compared by rectification, filtering, threshold value, after confirming abnormal alarm, arc light protective device disconnects
The high-pressure side breaker or low-pressure side breaker of first transformer.
S4, current protection unit carry out real-time arc light detecting to the second transformer terminal by arc photosensor, detected whether
There is arc light, monitor the current signal of the second transformer in real time by the second current sensor, detect current increment；If detect arc
Light or current anomaly, and processing is compared by rectification, filtering, threshold value, after confirming abnormal alarm, current protection unit disconnects second
The high-pressure side breaker or low-pressure side breaker of transformer.
S5, arc light protective device and current protection unit are in communication with each other by interchanger.
S6, arc light protective device are also in communication with each other by interchanger and multiple arc light expanding elements, arc light extension
Unit is set to monitored under the monitored equipment under the first low-voltage bus bar and the second low-voltage bus bar respectively by arc photosensor
It is standby to carry out arc light detecting.
S601, if there is arc light alarm in the monitored equipment for detecting under the first low-voltage bus bar, arc light protective device
The power supply of the monitored equipment under first low-voltage bus bar is disconnected, and disconnects bus, isolates the first low-voltage bus bar and the
Two low-voltage bus bars.
S602, if there is arc light alarm in the monitored equipment for detecting under the second low-voltage bus bar, arc light protective device
The power supply of the monitored equipment under second low-voltage bus bar is disconnected, and disconnects bus, isolates the first low-voltage bus bar and the
Two low-voltage bus bars.
The arc photosensor includes transparent optical fibers sensor, and the transparent optical fibers sensor includes transparent optical fibers, passed through
Transparent optical fibers complete 360 degrees omnidirection arc light monitoring, and form annular monitoring net by transparent optical fibers.
Further, the arc light portable sensor includes arc photosensor probe, NFC module and portable connector,
NFC module is arranged in arc photosensor probe, and arc photosensor probe is arranged on portable connector.
Further, the portable connector is suspension member, stickers, adsorption piece, fastener or holder, using carry, is glued
Patch, absorption, fastening or the mode of clamping are arranged on the body of patrol officer.
Further, patrol officer is used for the work clothes for wearing arc light portable sensor, provided with storage patrol officer
The NFC label of information, the NFC label are located at the wearing of arc light portable sensor.
Further, the arc light protective device also concentrates feed protection, electric arc protection by protection for feed line unit
Device also monitors the environmental aspect residing for monitored equipment in real time by monitoring of working condition unit.
Further, the monitoring of working condition unit includes Temperature Humidity Sensor, radio temperature sensor, fuel gas sensing
Device, wireless humidity sensor, leakage current test unit and leakage current sensor.
Further, in the arc light portable sensor, the arc optical signal that arc photosensor probe collects is also successively
By following circuit, conditioning loop, anti-jamming circuit, voltage-controlled current source, self adapting circuit of polarity and protection circuit to be handled.
Further, the NFC, which holds inspection terminal, includes NFC smart mobile phones.
Further, the transparent optical fibers from inside to outside successively include glass optical fiber, packed layer, filter layer, metal level and
Protective layer.
Further, the transparent optical fibers sensor also includes two connectors, and the connector is separately positioned on transparent
The both ends of optical fiber.
Further, the transparent optical fibers sensor also includes connector, sensor connector and orientation arc photosensor, institute
The one end for stating transparent optical fibers is connected with connector, and the other end of the transparent optical fibers passes through sensor connector and orientation arc light sensor
Device connects.
The beneficial effects of the invention are as follows：The present invention is designed using distributed mode, is suitable as the protection of mesolow double-bus,
Possesses flexible attributes of network.Wherein protection for feed line unit, which can be individually formed, minimizes protection system, and separately protected feeder line is to subtract
Minor accident power failure range.Feeder unit also can run on Centralized Monitoring pattern, pass through arc light protective device dispatching communication.This hair
Bright electric arc protection uses detection arc light and electric current as input quantity, can individually as overcurrent protection, pure arc protection, and arc light and
The double criterion protections of excessively stream.The system have principle is simple, reliable in action is rapid, to primary equipment without particular/special requirement, be adapted to it is each
The advantages of kind method of operation.
The present invention creatively sets up NFC near fields induction module on arc light portable sensor, and sets up portable connection
Part, can be directly by the present invention with carry, stickup, absorption, fastening or clamping when inspection staff performs inspection task
Mode be arranged on, be oriented arc light detection, meanwhile, patrol officer can be by the same inspection of NFC module on arc photosensor
NFC label or NFC inspection handheld terminals with personnel are communicated, and transmit or change the data in memory, and by inspection
Data are sent to NFC cruising inspection systems.
The present invention can complete being detected without dead angle for 360 degrees omnidirection by transparent optical fibers arc light protective device, thoroughly
Mingguang City's fibre is additionally provided with filter layer and effectively visible ray or ultraviolet light can be filtered, and can also be installed by suspension ring, installation side
Just.The present invention can set an orientation arc photosensor on the head of transparent optical fibers, be easy to oriented detection.In the present invention, all parts
Modularized design is used, is easily installed and safeguards.
Brief description of the drawings
Fig. 1 is a kind of system construction drawing of 360 degrees omnidirection ring network arc light protection system of the present invention；
Fig. 2 is the structure chart of transparent optical fibers of the present invention；
Fig. 3 is the schematic diagram of embodiment one of annular fiber type arc photosensor of the present invention；
Fig. 4 is the schematic diagram of embodiment two of annular fiber type arc photosensor of the present invention；
Fig. 5 is the structured flowchart of arc light portable sensor of the present invention；
Fig. 6 is the front panel schematic diagram of arc light protective device of the present invention；
In figure, 1- glass optical fibers, 2- packed layers, 3- filter layers, 4- metal levels, 5- protective layers, 6- suspension ring, the transparent light of 7-
Fibre, 8- connectors, 9- orientation arc photosensors, 10- processors, 11- casings, 12- LCDs, 13-LED indicator lamps, 14-
Function button, 15- guide keys, 16- installing plates.
Embodiment
Technical scheme is described in further detail below in conjunction with the accompanying drawings, but protection scope of the present invention is not limited to
It is as described below.
A kind of electric arc light protection method with 360 degree of omnidirectional's monitorings and NFC monitoring functions, including following multiple steps：
S1, patrol officer wear arc light portable sensor, and it is portable with being arranged on arc light to hold inspection terminal by NFC
NFC module in sensor or arc light protective device is in communication with each other, and the inspection data of collection are sent to NFC inspections
System.
S2, the arc light portable sensor are carried out real-time by wireless transceiver and interchanger with arc light protective device
Communication, patrol officer is followed to complete arc light directional monitoring.
S3, arc light protective device carry out real-time arc light detecting by arc photosensor to the first transformer terminal, and detection is
It is no to have arc light, monitor the current signal of the first transformer in real time by the first current sensor, detect current increment；If detect
Arc light or current anomaly, and processing is compared by rectification, filtering, threshold value, after confirming abnormal alarm, arc light protective device disconnects
The high-pressure side breaker or low-pressure side breaker of first transformer.
S4, current protection unit carry out real-time arc light detecting to the second transformer terminal by arc photosensor, detected whether
There is arc light, monitor the current signal of the second transformer in real time by the second current sensor, detect current increment；If detect arc
Light or current anomaly, and processing is compared by rectification, filtering, threshold value, after confirming abnormal alarm, current protection unit disconnects second
The high-pressure side breaker or low-pressure side breaker of transformer.
S5, arc light protective device and current protection unit are in communication with each other by interchanger.
S6, arc light protective device are also in communication with each other by interchanger and multiple arc light expanding elements, arc light extension
Unit is set to monitored under the monitored equipment under the first low-voltage bus bar and the second low-voltage bus bar respectively by arc photosensor
It is standby to carry out arc light detecting.
S601, if there is arc light alarm in the monitored equipment for detecting under the first low-voltage bus bar, arc light protective device
The power supply of the monitored equipment under first low-voltage bus bar is disconnected, and disconnects bus, isolates the first low-voltage bus bar and the
Two low-voltage bus bars.
S602, if there is arc light alarm in the monitored equipment for detecting under the second low-voltage bus bar, arc light protective device
The power supply of the monitored equipment under second low-voltage bus bar is disconnected, and disconnects bus, isolates the first low-voltage bus bar and the
Two low-voltage bus bars.
The arc photosensor includes transparent optical fibers sensor, and the transparent optical fibers sensor includes transparent optical fibers 7, passed through
Transparent optical fibers 7 complete 360 degrees omnidirection arc light monitoring, and form annular monitoring net by transparent optical fibers 7.
Further, the arc light portable sensor includes arc photosensor probe, NFC module and portable connector,
NFC module is arranged in arc photosensor probe, and arc photosensor probe is arranged on portable connector.
Further, the portable connector is suspension member, stickers, adsorption piece, fastener or holder, using carry, is glued
Patch, absorption, fastening or the mode of clamping are arranged on the body of patrol officer.
Further, patrol officer is used for the work clothes for wearing arc light portable sensor, provided with storage patrol officer
The NFC label of information, the NFC label are located at the wearing of arc light portable sensor.
Further, the arc light protective device also concentrates feed protection, electric arc protection by protection for feed line unit
Device also monitors the environmental aspect residing for monitored equipment in real time by monitoring of working condition unit.
Further, the monitoring of working condition unit includes Temperature Humidity Sensor, radio temperature sensor, fuel gas sensing
Device, wireless humidity sensor, leakage current test unit and leakage current sensor.
Further, in the arc light portable sensor, the arc optical signal that arc photosensor probe collects is also successively
By following circuit, conditioning loop, anti-jamming circuit, voltage-controlled current source, self adapting circuit of polarity and protection circuit to be handled.
Further, the NFC, which holds inspection terminal, includes NFC smart mobile phones.
As shown in figure 1, the real-time distributed monitoring system that Fig. 1 is relied on by electric arc protection monitoring method of the present invention, bag
Include arc light protective device, one or more arc light expanding elements, transparent optical fibers 7, arc light portable sensor, wireless receiving and dispatching
Device, current protection unit, protection for feed line unit and monitoring of working condition unit, the arc light protective device by interchanger respectively with
Current protection unit connects with one or more arc light expanding elements, and the arc light expanding element is by connector 8 with being used for 360
The transparent optical fibers 7 for spending comprehensive arc light detecting connect, and the arc light protective device is also portable with arc light by wireless transceiver
Formula sensor, the arc light protective device are also connected by interchanger with NFC cruising inspection systems, the arc light portable sensor
Including arc photosensor probe, NFC module and portable connector, NFC module is arranged in arc photosensor probe, arc light sensor
Device probe is arranged on portable connector.
Further, as shown in Fig. 2 the transparent optical fibers 7 include glass optical fiber 1, packed layer 2, filter successively from inside to outside
Photosphere 3, metal level 4 and protective layer 5.
Further, as shown in figure 3, the transparent optical fibers sensor also includes two connectors 8, the connector 8 divides
The both ends of transparent optical fibers 7 are not arranged on.Under this closure, transparent optical fibers sensor gathers arc light by transparent optical fibers 7
Signal, and arc optical signal is sent to by arc light protective device, arc light expanding element or current protection unit by connector 8.
Further, as shown in figure 4, the transparent optical fibers sensor also includes connector 8, sensor connector and orientation arc
Optical sensor 9, one end of the transparent optical fibers 7 are connected with connector 8, and the other end of the transparent optical fibers 7 is connect by sensor
Head is connected with orientation arc photosensor 9.Under this closure, transparent optical fibers sensor is not only gathered by transparent optical fibers 7
Arc optical signal, also by orienting the arc optical signal of the oriented acquisition monitored equipment of arc photosensor 9, and will be saturating by connector 8
The arc optical signal that Mingguang City's fibre 7 and orientation arc photosensor 9 collect is sent to arc light protective device, arc light expanding element or electricity
Flow protection location.
Further, the portable connector is suspension member, stickers, adsorption piece, fastener or holder, using carry, is glued
Patch, absorption, fastening or the mode of clamping are arranged on the body of staff.
Further, as shown in figure 5, the arc light portable sensor also includes being sequentially connected with arc photosensor probe
Follow circuit, conditioning loop, anti-jamming circuit, voltage-controlled current source, self adapting circuit of polarity and protection circuit.
Further, in addition to NFC module the memory being connected.
Arc light protective device is a kind of core of 360 degrees omnidirection ring network arc light protection system, is responsible for system
Information taken, logic analysis, breakdown judge and tripping operation control, while all expanding elements are managed, feeder unit can also be carried out
Centralized Monitoring.
Protection for feed line unit can gather 4 road arc lights, and 4 road TA current acquisition passages are that is, maximum to can be achieved adjacent 2
The arc light and current protection of bar feeder line, realize fast shut-off failure.
Arc light expanding element：Expansible 16 road arc light acquisition channel.
Current protection unit：Expansible 6 road TA current acquisitions passage and tripping operation passage.
Arc sensor：It is responsible for detection arc light information, is data signal by arc light intensity-conversion.
Heretofore described arc light protective device by interchanger respectively with current protection unit and one or more arcs
Light expanding element is connected, and the arc light expanding element is connected with multiple arc photosensors.
Further, the tripping operation output port of the arc light protective device respectively with the high-pressure side of the first transformer and low
Breaker and the bus connection of pressure side, the current detecting end of the arc light protective device are become by electric current line and first
The first current sensor connection of the low-pressure side of depressor, the arc light sensor input interface of the arc light protective device also with it is multiple
Arc photosensor connects.
Further, the tripping operation output port of the current protection unit high-pressure side and low pressure with the second transformer respectively
The breaker connection at end, the current detecting end of the arc light protective device passes through the low-pressure side of electric current line and the second transformer
Second current sensor connects.
Further, first low-voltage bus bar is connected by bus with the second low-voltage bus bar, the arclight
Protection device is also connected with protection for feed line unit and monitoring of working condition unit.
Further, as shown in fig. 6, the arc light protective device includes casing 11 and internal circuit board, the casing
11 main panel is provided with LCDs 12, a variety of LED lights 13, function button 14 and guide key 15, the casing
11 rear board is provided with alternating current input interface, arc light sensor input interface, tripping operation output port, clock sync cap, logical
Believe interface, monitoring interface, expansion interface and environmental data input interface；
Further, it is abnormal to include power supply indicator, run indicator, synchro light, device for the LED light 13
Indicator lamp, environmental monitoring indicator lamp, the out-of-limit indicator lamp of electric current, the out-of-limit indicator lamp of arc light, tripping operation indicator lamp and maintenance indicator lamp.
Wherein, power supply indicator, run indicator and synchro light can use green light, power supply indicator when having electricity
Bright, run indicator is flashed with 2Hz when having program operation, and synchro light is bright after time synchronized.
Device exception indicator lamp, the out-of-limit indicator lamp of electric current, the out-of-limit indicator lamp of arc light and tripping operation indicator lamp can use red light, when
Device exception indicator lamp is bright during device exception, and the out-of-limit indicator lamp of electric current of more being prescribed a time limit when electric current is long is bright, is more prescribed a time limit when arc light is long
The out-of-limit indicator lamp of arc light is bright, and the indicator lamp that tripped after device trips is bright.
Environmental monitoring indicator lamp and maintenance indicator lamp can use amber light, the environmental monitoring indicator lamp when environmental monitoring is alarmed
Bright, when device is arranged to maintenance, maintenance indicator lamp is bright.
Further, the function button 14 includes returning to button F1, upper function pages button F2, next function pages
Button F3, return to main interface button F4 and reset key.
Further, the guide key 15 is pressed including button, square down button, direction left button, the direction right side on direction
Key and confirmation OK keys.
The function button 14 and/or guide key 15 are touch key-press, and the LCDs 12 is touch display screen.
Further, the touch key-press and touch display screen together as one.
Further, the monitoring of working condition unit includes Temperature Humidity Sensor, radio temperature sensor, fuel gas sensing
Device, wireless humidity sensor, leakage current test unit and leakage current sensor.
The both sides of the front panel are additionally provided with installing plate 16, and multiple installation fixing holes are offered on the installing plate 16.
Arc light protective device in the present invention possesses the collection, tripping operation and signal output of electric current and arc photosensor signal
Ability, there is provided a variety of indicator lamps, be easy to operator to be more visually known the state of arc light protecting device.The present invention also provides
Touch display screen and touch key-press, support large-size screen monitors to show, and reduce the volume of device, reduce the space-consuming of device.The present invention
Also there is abundant external interface, support more functions, the monitoring of visible ray and infrared light can be completed simultaneously.
A kind of 360 degrees omnidirection ring network arc light protection system proposed by the invention, arc light guarantor is carried out to double-bus
Shield, in order to reduce fault zone, the first low-voltage bus bar and the second low-voltage bus bar are limited by bus.Electric arc protection
Device and current protection unit are as trip unit.Arc light protective device jumps the first transformation in the first low-voltage bus bar failure
The breaker of device, when the first low-voltage bus bar and the second low-voltage bus bar failure, make breaking failure protection.If it exceeds electric current is determined
Value, when its area breaks down, the bus of arc light protective device the first low-voltage bus bar of tripping operation and the second low-voltage bus bar.Electricity
The breaker that protection location jumps the second transformer is flowed, while as the breaking failure protection of the second low-voltage bus bar.
, can be directly by the present invention with carry, stickup, absorption, fastening when inspection staff performs inspection task
Or clamping mode be arranged on, be oriented arc light detection, meanwhile, patrol officer can be by NFC module on arc photosensor
Communicated with the NFC label with patrol officer or NFC inspection handheld terminals, transmit or change the data in memory, and
Inspection data are sent to NFC cruising inspection systems.
Arc light alerts to be obtained from the alarm relay of arc light protective device, is activated when region is broken down, and system is certainly
Inspection alarm obtains from arc light protective device alarm relay.
Electric arc protection principle：According to two factors of arc light and current increment, when being detected simultaneously by arc light and current increment
When send trip signal.When system jam, arc optical signal is converted into electric signal by arc photosensor, is aided in by I/O
Unit is transmitted to arc light protective device, and arc light protective device by sensed current signal and reaches initiation value again, that is, sent
Trip signal.
The present invention is designed using distributed mode, is suitable as the protection of mesolow double-bus, possesses flexible attributes of network.
Wherein protection for feed line unit, which can be individually formed, minimizes protection system, and separately protected feeder line is to reduce forced outage scope.Feeder line
Unit also can run on Centralized Monitoring pattern, pass through arc light protective device dispatching communication.Electric arc protection of the present invention is using inspection
It is input quantity to survey arc light and electric current, individually can be protected as overcurrent protection, pure arc protection, and arc light and the double criterions of excessively stream.This
System have principle is simple, reliable in action is rapid, to primary equipment without particular/special requirement, be adapted to the advantages of various methods of operation.
Described in an illustrative manner above with reference to accompanying drawing has 360 degree of omnidirectional's monitorings and NFC according to one kind of the present invention
The electric arc light protection method of monitoring function.It will be understood by those skilled in the art, however, that proposed for the invention described above one
Electric arc light protection method of the kind with 360 degree of omnidirectionals' monitorings and NFC monitoring functions, can also not depart from the base of present invention
Various improvement are made on plinth.Therefore, protection scope of the present invention should be determined by the content of appended claims.
Claims (1)
1. a kind of electric arc light protection method with 360 degree of omnidirectional's monitorings and NFC monitoring functions, it is characterised in that including following
Step：
S1, patrol officer wear arc light portable sensor, hold inspection terminal by NFC and are arranged on arc light portable sensor
NFC module in device or arc light protective device is in communication with each other, and the inspection data of collection are sent to NFC inspections system
System；
S2, the arc light portable sensor are led in real time by wireless transceiver and interchanger with arc light protective device
Letter, patrol officer is followed to complete arc light directional monitoring；
S3, arc light protective device carry out real-time arc light detecting to the first transformer terminal by arc photosensor, detected whether
Arc light, monitor the current signal of the first transformer in real time by the first current sensor, detect current increment；If detect arc light
Or current anomaly, and processing is compared by rectification, filtering, threshold value, after confirming abnormal alarm, arc light protective device disconnects first
The high-pressure side breaker or low-pressure side breaker of transformer；
S4, current protection unit carry out real-time arc light detecting to the second transformer terminal by arc photosensor, have detected whether arc
Light, monitor the current signal of the second transformer in real time by the second current sensor, detect current increment；If detect arc light or
Current anomaly, and processing is compared by rectification, filtering, threshold value, after confirming abnormal alarm, current protection unit disconnects the second transformation
The high-pressure side breaker or low-pressure side breaker of device；
S5, arc light protective device and current protection unit are in communication with each other by interchanger；
S6, arc light protective device are also in communication with each other by interchanger and multiple arc light expanding elements, arc light expanding element
The monitored equipment under the monitored equipment under the first low-voltage bus bar and the second low-voltage bus bar is entered respectively by arc photosensor
Row arc light detecting；
S601, if arc light alarm occurs in the monitored equipment for detecting under the first low-voltage bus bar, arc light protective device disconnects
The power supply of monitored equipment under first low-voltage bus bar, and disconnect bus, isolate the first low-voltage bus bar and second low
Press bus；
S602, if arc light alarm occurs in the monitored equipment for detecting under the second low-voltage bus bar, arc light protective device disconnects
The power supply of monitored equipment under second low-voltage bus bar, and disconnect bus, isolate the first low-voltage bus bar and second low
Press bus；
The arc photosensor includes transparent optical fibers sensor, and the transparent optical fibers sensor includes transparent optical fibers（7）, by saturating
Mingguang City is fine（7）360 degrees omnidirection arc light monitoring is completed, and passes through transparent optical fibers（7）Form annular monitoring net；
The arc light portable sensor includes arc photosensor probe, NFC module and portable connector, NFC module and is arranged on
In arc photosensor probe, arc photosensor probe is arranged on portable connector；
The portable connector is suspension member, stickers, adsorption piece, fastener or holder, using carry, stickup, absorption, fastening or
The mode of clamping is arranged on the body of patrol officer；
Work clothes of the patrol officer for wearing arc light portable sensor, the NFC label provided with storage patrol officer's information,
The NFC label is located at the wearing of arc light portable sensor；
The arc light protective device also concentrates feed protection by protection for feed line unit, and arc light protective device also passes through operating mode
Monitoring unit monitors the environmental aspect residing for monitored equipment in real time；
The monitoring of working condition unit includes Temperature Humidity Sensor, radio temperature sensor, combustible gas sensor, wireless humidity and passed
Sensor, leakage current test unit and leakage current sensor；
In the arc light portable sensor, the arc optical signal that collects of arc photosensor probe also pass sequentially through follow circuit,
Conditioning loop, anti-jamming circuit, voltage-controlled current source, self adapting circuit of polarity and protection circuit are handled；
The NFC, which holds inspection terminal, includes NFC smart mobile phones；
The transparent optical fibers（7）Include glass optical fiber successively from inside to outside（1）, packed layer（2）, filter layer（3）, metal level（4）
And protective layer（5）；
The transparent optical fibers sensor also includes connector（8）, sensor connector and orientation arc photosensor（9）, it is described transparent
Optical fiber（7）One end and connector（8）Connection, the transparent optical fibers（7）The other end pass through sensor connector with orientation arc light
Sensor（9）Connection.
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| CN201510619898.5A CN105244854B (en) | 2015-09-25 | 2015-09-25 | A kind of electric arc light protection method with 360 degree of omnidirectional's monitorings and NFC monitoring functions |
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| CN201510619898.5A CN105244854B (en) | 2015-09-25 | 2015-09-25 | A kind of electric arc light protection method with 360 degree of omnidirectional's monitorings and NFC monitoring functions |
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| CN105244854A CN105244854A (en) | 2016-01-13 |
| CN105244854B true CN105244854B (en) | 2018-03-30 |
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Cited By (1)
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| CN108900006A (en) * | 2018-08-23 | 2018-11-27 | 安徽昌南电气科技有限公司 | A kind of control method of Intelligent switch cabinet comprehensive safety protective device |
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|---|---|---|---|---|
| DE102016105943A1 (en) * | 2016-03-31 | 2017-10-05 | Eaton Industries (Austria) Gmbh | Mobile arc protection system |
| CN106199294A (en) * | 2016-08-31 | 2016-12-07 | 中铁工程设计咨询集团有限公司 | A kind of arc light protecting device |
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| CN105244854A (en) | 2016-01-13 |
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Denomination of invention: An arc light protection method with 360 degree omnidirectional monitoring and NFC monitoring functions Effective date of registration: 20230818 Granted publication date: 20180330 Pledgee: Agricultural Bank of China Limited by Share Ltd. Chengdu high tech Industrial Development Zone Branch Pledgor: CHENGDU GONGBAILI AUTOMATION EQUIPMENT Co.,Ltd. Registration number: Y2023510000200 |
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