A kind of distribution network line panorama on-line monitoring equipment and system
Technical field
The utility model is related to power distribution network monitoring technical fields more particularly to a kind of distribution network line panorama on-line monitoring to set
Standby and system.
Background technology
With the fast development of electric system, the power quality that all trades and professions provide electric system, including stability,
Safety and reliability etc. also made higher requirement.The real-time monitoring of distribution network line operation conditions is to improve electric energy matter
One of effective ways of amount, timely discovering device defect and hidden danger reduce the loss brought by failure.Traditional power distribution network monitoring
Equipment fault indicator there is main website investment it is excessive, field device investment it is too small, it is few for the object that can monitor measurement, adopt
The useful information collected is seldom, and sample rate and the inadequate defect of sampling precision can not quickly and accurately judge circuit comprehensively
Fault type and fault point.
Utility model content
Technical problem to be solved in the utility model is in view of the above shortcomings of the prior art, to provide a kind of distribution cable
Road panorama on-line monitoring equipment and system.
The technical solution that the utility model solves above-mentioned technical problem is as follows:A kind of distribution network line panorama on-line monitoring is set
It is standby, including:Shell, power supply and detection components;The upper surface of the shell is offered its fifty-fifty concave slot, institute
Stating the setting being respectively separated positioned at the position of concave slot both sides of upper surface, there are two cable clamping interfaces;The detection components packet
It includes:Monitoring mainboard, power control board, signal regulating panel and current sensor in the shell, are set to the shell
The voltage sensor at the surface of concave slot lower part both sides, and be set to the temperature on the surface of the concave slot
Sensor;The power control board is connect with the monitoring mainboard and the power supply respectively;The signal regulating panel respectively with institute
State current sensor, voltage sensor, temperature sensor with monitoring mainboard connect, the monitoring mainboard also wirelessly communicate it is external after
Platform service terminal.
The utility model has the beneficial effects that:The utility model is lacked for conventional electrical distribution net monitoring device fault detector
Property is fallen into, proposes a kind of distribution network line panorama on-line monitoring equipment, fault transient travelling wave is obtained using electromagnetic induction, passes through voltage
Sensor measurement circuit downward vertical ground direction electric field obtains fault transient high voltage information, is used and is divided by current sensor
Cloth route selection monitoring mode realizes that small current grounding fault detects in real time, is accurately positioned failure and point occurs, pass through temperature sensor
By in the microcontroller of the real time temperature input monitoring mainboard of circuit, the operating status of circuit is grasped in real time.It is wireless by GPRS again
Communication means is by the signal teletransmission monitored to backstage center, with more flexible and accurate fault detection method and manual adjustment
Means.This equipment can quickly and accurately judge the fault type and fault point that circuit occurs comprehensively.Wherein, the card at both ends can be passed through
Equipment is stably fixed on conducting wire by wire casing, facilitates installing and dismounting.
Based on the above technical solution, the utility model can also do following improvement:
Further, the monitoring mainboard includes:CPU element, and the signal input being connect respectively with the CPU element connect
Mouth, GPRS telecommunication circuits, GPS time services circuit, memory, anomaly monitoring circuit and power configuration manage circuit;
The signal regulating panel is connect with the signal input interface;The CPU element passes through the GPRS telecommunication circuits
Wirelessly communicate external background service terminal;The power configuration management circuit is connect with the power control board.
The further advantageous effect of the utility model is:When distribution network line breaks down, monitoring mainboard can detect
To fault traveling wave electric current, determination fault section promptly and accurately promptly isolates fault section.Acquisition passes through voltage sensor and electricity
Voltage and current analog quantity after flow sensor pick-up judges whether load occur, earth fault according to each thresholding of setting
Or the exception informations such as overcurrent, and the exception information to break down is sent to by GPRS wireless communication modes in Background control
The heart.
Further, the integrator in the signal regulating panel is active integrator.
The further advantageous effect of the utility model is:The deep fades of integrator in order to prevent, using active integrator,
Simultaneously a feedback resistance effectively inhibits the influence of temperature drift to stable operating point in integrating capacitor simultaneously so that electricity
More stablize on road.
Further, the current sensor includes the Rogowski coil being connect with the signal regulating panel.
The further advantageous effect of the utility model is:Current signal is measured using Rogowski coil, high certainty of measurement, no
Containing saturation element, the output signal and measured signal of system are in a linear relationship, can measure current signal, the high frequency of waveform complexity
Steady-state current and great instantaneous current.
Further, the material of the shell is filled nylon, and it is in table shape, and the detection components are located at the table shape
In table leg.
The further advantageous effect of the utility model is:Shell is in table shape, convenient for supervising the distribution network line panorama online
Measurement equipment, which is stablized, to be placed, and shell uses filled nylon, has larger toughness, ensure that the service life of the equipment.
Further, the power supply includes taking electrical component and/or lithium battery;
The lithium battery is located in the shell and is connect with the power control board;
It is described to take the electrical component to include:First cavity, the second cavity, the first arch iron being set in first cavity
Core, the second arch iron core being set in second cavity, and be helically wound around the second arch iron core surface and with
The copper wire of the power control board connection;
The first arch iron core and the second arch iron core be symmetrically vertically installed in the upper surface outside and
Inside and across the concave slot, and the both ends of the first arch iron core pass through first cavity correspondingly respectively
The two-port of two-port, the upper surface and second cavity with the both ends of second iron core are seamless contacts actuation.
The further advantageous effect of the utility model is:First arch iron core and the second arch iron core are respectively across concave
Slot carries out taking electricity will pass through the distribution network line in concave slot.It is entire system to take electrical component to couple way to take power by conducting wire
Normal operation of uniting provides stabilized power source, takes electrical component and power control board that can provide complete machine work for entire monitoring device by this
Make power supply and wireless telecommunications power supply.By this ask for Electricity Functional take electrical component can reduce lithium battery loss, improve product make
Use the service life.
Further, the wall body of first cavity is equipped with multiple encapsulating through-holes.
The further advantageous effect of the utility model is:Encapsulating through-hole is provided on cavity, by encapsulating through-hole, to cavity
It is sealed encapsulating, prevents the shaking of iron core in the cavity, improves the stability and anti-interference for taking electricity.
Further, first cavity and second cavity are respectively semicircle open cavity, and are symmetrically vertically set
It is placed in outside and the inside and across the concave slot of the upper surface;
Both ends of the both ends of first cavity respectively with one-to-one second cavity pass through the upper of the shell
Surface communicates.
The further advantageous effect of the utility model is:It is opened at the one-to-one upper surface in port of two cavitys of shell
Equipped with through-hole, which is equal with the size of the port of two cavitys, with ensure the first cavity both ends respectively with one-to-one correspondence
The both ends of the second cavity communicated by the upper surface of shell, meanwhile, the both ends of two iron cores can be one-to-one without sewing up
Touch is attracted, and ensure that take electrical component that can couple way to take power by conducting wire provides stabilized power source for whole system normal operation.
Further, the part positioned at the side of the concave slot of first cavity is rotatably arranged on by screw
The upper surface, the part positioned at the other side of the concave slot of first cavity are fixed on described by iron core mounting hole
Upper surface.
The further advantageous effect of the utility model is:First cavity one end is connected to by fixed screw in equipment, can
With rotation, distribution network line is facilitated to be mounted on distribution network line by concave slot, the other end will take electricity by iron core mounting hole
Component is closely connect with equipment, is made itself and the seamless actuation of lower half of iron core, is improved the performance for taking electrical component.
The utility model additionally provides a kind of distribution network line panorama on-line monitoring system, including:Background service terminal, matches
Power network line, and the distribution network line panorama on-line monitoring as above-mentioned being connect with the background service terminal wireless communication are set
It is standby;Multiple distribution network line panorama on-line monitoring equipments are opened up benefit structure according to distribution and are installed respectively by the cable clamping interface
In in substation's outlet, wherein the distribution network line passes through the concave slot.
The utility model has the beneficial effects that:Using integrated terminal detection device, distribution, which opens up to mend structure and be mounted on, to be become
Power station outlet can respectively install one group at basic routing line segmentation(Can 3 monitoring devices be one group), realize circuit operating status
Line monitors, malfunction monitoring early warning and positioning.Type that equipment is occurred by collected transient state travelling wave electric current energy failure judgement and
It determines that section occurs for failure, obtains fault transient high voltage information by measuring circuit downward vertical ground direction electric field, use
Distributed route selection monitoring mode realizes that small current grounding fault detects in real time, is accurately positioned failure and point occurs.Each equipment passes through
Fault information data is reached background control center by GPRS communications, carries out analyzing processing by daemon software, and rapid
Failure occurrence type and position are informed into staff, investigate handling failure circuit in time, it is ensured that the safety of entire power distribution network is steady
Fixed operation, reduces the economic loss brought by distribution line failure, and can largely save the man power and material of line walking, mitigation is patrolled
The heavy manual labor of informant person.Technically ensure that the operation and management level of power grid, the conduct monitoring at all levels of distribution network line make
It can be safe and stable and economical operation, have huge social and economic benefit.It is by the cable clamping interface at both ends that equipment is steady
Fixed is fixed on conducting wire, facilitates installing and dismounting.
Description of the drawings
Fig. 1 is a kind of structure for distribution network line panorama on-line monitoring equipment 100 that one embodiment of the utility model provides
Block diagram;
Fig. 2 is a kind of knot for distribution network line panorama on-line monitoring equipment 100 that another embodiment of the utility model provides
Structure block diagram;
Fig. 3 is to be supervised in a kind of distribution network line panorama on-line monitoring equipment 100 that another embodiment of the utility model provides
Survey the structure diagram of mainboard 131;
Fig. 4 is to be taken in a kind of distribution network line panorama on-line monitoring equipment 100 that another embodiment of the utility model provides
The structure diagram of electrical component 121;
Fig. 5 is a kind of knot for distribution network line panorama on-line monitoring equipment 100 that another embodiment of the utility model provides
Structure schematic diagram;
Fig. 6 is the front view of the corresponding distribution network line panorama on-line monitoring equipments of Fig. 5 100;
Fig. 7 is the side view of the corresponding distribution network line panorama on-line monitoring equipments of Fig. 5 100;
Fig. 8 is a kind of signal for distribution network line panorama on-line monitoring system 200 that one embodiment of the utility model provides
Property structure chart.
In attached drawing, the element representated by each label is listed as follows:
110, shell, 111, concave slot, 112, cable clamping interface, 113, screw, 114, iron core mounting hole, 120, power supply, 121,
Take electrical component, the 1211, first cavity, the 1212, second cavity, the 1213, first arch iron core, the 1214, second arch iron core,
1215, copper wire, 1216, encapsulating through-hole, 122, lithium battery, 130, detection components, 131, monitoring mainboard, 1311, CPU element,
1312, signal input interface, 1313, GPRS telecommunication circuits, 1314, GPS time service circuits, 1315, memory, 1316, abnormal prison
Depending on circuit, 1317, power configuration manage circuit, 132, power control board, 133, signal regulating panel, 134, current sensor,
135, voltage sensor, 136, temperature sensor, 210, background service terminal, 220, distribution network line.
Specific implementation mode
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining this practicality
It is novel, it is not intended to limit the scope of the utility model.
Embodiment one
A kind of distribution network line panorama on-line monitoring equipment 100, as shown in Figure 1, including:Shell 110, power supply 120, and
Detection components 130.Wherein, the upper surface of shell is offered its fifty-fifty concave slot 111, and upper surface is located at concave slot
There are two cable clamping interfaces 112 for the setting that the position of both sides is respectively separated;As shown in Fig. 2, detection components 130 include:In shell
Monitoring mainboard 131, power control board 132, signal regulating panel 133 and current sensor 134, be set to shell be located at concave
Voltage sensor 135 at the surface of slot lower part both sides, and it is set to the temperature sensor 136 on the surface of concave slot;Power supply
Control panel is connect with monitoring mainboard and power supply respectively;Signal regulating panel respectively with current sensor, voltage sensor, temperature sensing
Device is connected with monitoring mainboard, and monitoring mainboard also wirelessly communicates external background service terminal.
For the defective of conventional electrical distribution net monitoring device fault detector, the present embodiment proposes a kind of distribution network line
Panorama on-line monitoring equipment.Using monitoring terminal integral device intelligence recognition detection to each of distribution line key branch node
Kind fault type.Current signal acquisition is divided into filtering link, integral element and amplifying element.The current signal of primary side is through electric current
After sensor measurement, secondary survey voltage signal is exported, this voltage prepares to restore by processing such as filtering, the integrals of counter
With the voltage signal of primary side current signal direct proportionality, signal is amplified to suitable voltage model using amplifying element
It encloses, is then fed into, monitors in the ADC sample conversion circuits of mainboard.
Voltage signal acquisition is the measurement to distribution network line downward vertical ground direction electric field by voltage sensor, real
Now to characteristics true reappearances such as the amplitude duration of transient state high-voltage signal, by transient state high voltage signal be sent into signal regulating panel into
It is re-fed into after row processing in monitoring mainboard and timely early warning and blanking is carried out to accident analysis.
Temperature signal collection is by temperature sensor by the microcontroller of the real time temperature input monitoring mainboard of circuit, real
When grasp circuit operating status.
It should be noted that the acquisition of voltage signal acquisition, current signal, temperature signal collection and power control board it is specific
Principle is the prior art.
Fault transient travelling wave is obtained using electromagnetic induction, failure is obtained by measuring circuit downward vertical ground direction electric field
Transient state high voltage information realizes that small current grounding fault detects in real time using distributed route selection monitoring mode, is accurately positioned failure
Point occurs.By GPRS wireless communications methods by the signal teletransmission monitored to backstage center, and provide more advanced flexible
With accurate fault detection method and manual adjustment means.
The present embodiment is directed to the defective of conventional electrical distribution net monitoring device fault detector, proposes that a kind of distribution network line is complete
Scape on-line monitoring equipment obtains fault transient travelling wave using electromagnetic induction, with measuring circuit downward vertical by voltage sensor
Face direction electric field obtains fault transient high voltage information, and small electricity is realized using distributed route selection monitoring mode by current sensor
Stream earth fault detects in real time, is accurately positioned failure and point occurs, by temperature sensor by the real time temperature input monitoring of circuit
In the microcontroller of mainboard, the operating status of circuit is grasped in real time.It is by GPRS wireless communications methods that the signal monitored is remote again
Backstage center is reached, with more flexible and accurate fault detection method and manual adjustment means.This equipment can be comprehensively accurate fast
The fault type for judging circuit generation of speed and fault point.Wherein, equipment can be stably fixed to by the cable clamping interface at both ends
On conducting wire, facilitate installing and dismounting.
Embodiment two
On the basis of embodiment one, as shown in figure 3, monitoring mainboard 131 includes:CPU element 1311, and respectively with
Signal input interface 1312, GPRS telecommunication circuits 1313, GPS time services circuit 1314, the memory of the connection of CPU element 1311
1315, anomaly monitoring circuit 1316 and power configuration manage circuit 1317.Wherein, signal regulating panel 133 and signal input interface
Connection;CPU element wirelessly communicates external background service terminal by GPRS telecommunication circuits;Power configuration manages circuit and power supply control
Making sheet connects.
When distribution network line breaks down, monitoring mainboard can detect fault traveling wave electric current, determination promptly and accurately
Fault section promptly isolates fault section.Acquisition passes through the voltage and current mould after voltage sensor and current sensor pick-up
Analog quantity judges whether load occur according to each thresholding of setting, the exception informations such as earth fault or overcurrent, and event will occur
The exception information of barrier is sent to background control center by GPRS wireless communication modes.
It should be noted that specific GPRS telecommunication circuits, GPS time services circuit, anomaly monitoring circuit and power configuration pipe
Reason circuit is circuit in the prior art.
Embodiment three
On the basis of embodiment one or embodiment two, the integrator in signal regulating panel is active integrator.
The deep fades of integrator in order to prevent, using active integrator, while a simultaneously feedback electricity in integrating capacitor
Resistance, to stable operating point, the effective influence for inhibiting temperature drift so that circuit is more stablized.
Example IV
In embodiment one to embodiment three on the basis of any embodiment, current sensor includes connecting with signal regulating panel
The Rogowski coil connect.
Current signal is measured using Rogowski coil, high certainty of measurement is free of saturation element, the output signal of system and
Measured signal is in a linear relationship, can measure current signal, high frequency steady-state current and the great instantaneous current of waveform complexity.
Embodiment five
In embodiment one to example IV on the basis of any embodiment, the material of shell is filled nylon, and it is in
Table shape, detection components are located in the table leg of table shape.
Shell is in table shape, is placed convenient for stablizing the distribution network line panorama on-line monitoring equipment, and shell uses fiber Buddhist nun
Dragon has larger toughness, ensure that the service life of the equipment.
Embodiment six
In embodiment one to embodiment five on the basis of any embodiment, power supply 120 include take electrical component 121 and/or
Lithium battery 122.Wherein, lithium battery is located in shell and is connect with power control board.As shown in figure 4, taking the electrical component 121 to include:
First cavity 1211, the second cavity 1212, the first arch iron core 1213 being set in the first cavity 1211 are set to the second chamber
The second arch iron core 1214 in body 1212, and it is helically wound around 1214 surface of the second arch iron core and and power control board
The copper wire 1215 of 132 connections;First arch iron core and the second arch iron core are symmetrically vertically installed in the outside of upper surface and interior
Side and across concave slot, and the both ends of the first arch iron core pass through the two-port of the first cavity, upper surface correspondingly respectively
With the two-port of the second cavity with the both ends of the second iron core are seamless contacts actuation.
Electrical component is taken to include the first arch open cavity and the second arch open cavity, the first arch cavity and the second arch
Cavity is symmetrically vertically installed in the inner side and outer side of the upper surface of shell, and the both ends of the first arch open cavity are respectively with one
The both ends of one corresponding second arch cavity are communicated by the upper surface of shell.The electrical component is taken to further include:It is set to the first arch
The first arch iron core in open cavity, the second arch iron core being set in the second arch cavity, and it is helically wound around
The copper wire on two arch iron core surfaces, wherein inhaled correspondingly with the both ends of the second iron core respectively at the both ends of the first arch iron core
It closes.
First arch iron core and the second arch iron core are respectively across concave slot, will pass through the distribution cable in concave slot
Road carries out taking electricity.It takes electrical component to couple way to take power by conducting wire and provides stabilized power source for whole system normal operation, by this
Take electrical component and power control board that can provide complete machine working power and wireless telecommunications power supply for entire monitoring device.Certainly by this
Current-taking function takes electrical component that can reduce lithium battery loss, improves product service life.
Embodiment seven
On the basis of embodiment six, as shown in figure 4, the wall body of the first cavity 1211 is equipped with multiple encapsulating through-holes
1216。
It is provided with encapsulating through-hole on cavity, by encapsulating through-hole, encapsulating is sealed to cavity, prevents iron core in the cavity
Shaking, improve take electricity stability and anti-interference.
Embodiment eight
On the basis of embodiment six or embodiment seven, as shown in figure 4, the first cavity and the second cavity are respectively semicircle
Open cavity, and the symmetrical outside for being vertically installed in upper surface and inside and across concave slot;Distinguish at the both ends of first cavity
It is communicated by the upper surface of shell with the both ends of one-to-one second cavity.
Through-hole is offered at the one-to-one upper surface in port of two cavitys of shell, the end of the through-hole and two cavitys
The size of mouth is equivalent, the upper table for passing through shell with the both ends of one-to-one second cavity respectively with the both ends of the first cavity of guarantee
Face communicates, meanwhile, the both ends of two iron cores seamless contact can be attracted correspondingly, be ensure that and taken electrical component can be by leading
Line coupling way to take power provides stabilized power source for whole system normal operation.
Embodiment nine
In embodiment six to embodiment eight on the basis of any embodiment, as shown in Fig. 5 ~ Fig. 7, the first cavity is located at
The part of the side of concave slot is rotatably arranged on upper surface by screw 113, and the first cavity is located at the another of concave slot
Upper surface is fixed in the part of side by iron core mounting hole 114.
It should be noted that facilitate installation, as shown in figure 4, the first cavity can be two, adjacent is set to
The outside on surface, the corresponding setting two of the second cavity(In the adjacent inside for being set to upper surface i.e. shell).
The side of first cavity can carry out being rotated up and down for clamshell by the screw positioned at its other side, when hand-held one
After side rotates up first cavity, distribution cable is put into concave slot, then holds the side of first cavity with screw
Bearing is rotated down for axis, and the side is securely fastened to the upper surface of shell by iron core mounting hole, ensures two iron cores
End can seamless contact be attracted, it is convenient and practical.
Embodiment ten
A kind of distribution network line panorama on-line monitoring system 200, as shown in figure 8, including:Background service terminal 210, distribution
Cable road 220, and connect with background service terminal wireless communication such as any implementation in above-described embodiment one to embodiment nine
Distribution network line panorama on-line monitoring equipment 100 described in example;Multiple distribution network line panorama on-line monitoring equipments are according to distribution
Formula is opened up benefit structure and is installed in substation's outlet by four cable clamping interfaces respectively, wherein distribution network line passes through concave slot.
Using integrated terminal detection device, distribution, which is opened up, mends structure at substation's outlet, basic routing line segmentation
Respectively three distribution network line panorama on-line monitoring equipments of installation realize the on-line monitoring of circuit operating status, malfunction monitoring
Early warning and positioning.The type and determine failure generating region that equipment is occurred by collected transient state travelling wave electric current energy failure judgement
Section is obtained fault transient high voltage information by measuring circuit downward vertical ground direction electric field, is monitored using distributed route selection
Mode realizes that small current grounding fault detects in real time, is accurately positioned failure and point occurs.Each equipment passes through GPRS side wireless communications
Fault information data is reached background control center by formula, carries out analyzing processing by daemon software, and rapidly by failure occurrence type
Staff is informed with position, investigates handling failure circuit in time, it is ensured that the safe and stable operation of entire power distribution network is reduced because matching
The economic loss that line fault is brought, and the man power and material of line walking can be largely saved, mitigate the heavy body of track walker
Power is worked.Technically ensure the operation and management level of power grid, the conduct monitoring at all levels of distribution network line can be safe and stable
With economic operation, there is huge social and economic benefit.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.