CN107505531A - A kind of earth detector, insulator earth detector, system and method - Google Patents
A kind of earth detector, insulator earth detector, system and method Download PDFInfo
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- CN107505531A CN107505531A CN201710681510.3A CN201710681510A CN107505531A CN 107505531 A CN107505531 A CN 107505531A CN 201710681510 A CN201710681510 A CN 201710681510A CN 107505531 A CN107505531 A CN 107505531A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
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Abstract
The present invention provides a kind of earth detector, insulator earth detector, system and method gathers Leakage Current using punching earth detector by non-contacting mode, need not install can also sense to Leakage Current on the insulator, the equipment hoop can be applied to the insulator of plurality of specifications on insulator hardware, simultaneously using too can battery and rechargeable battery power jointly, the usage time of effective increase equipment, the state of the Leakage Current of the insulator in a region can be effectively gathered using technology of Internet of things progress networking, and Surveillance center is transferred data to by the Internet of Things communication technology.Of the invention effectively to solve the problems, such as current drain, installation is simply suitable to batch production, plant running time length, operates in equipotential environment and reduce electromagnetic interference, electric insulation is added by insulation spacer and insulation sleeve.
Description
Technical field
The present invention relates to interrupt field and Internet of Things field, more particularly to a kind of earth detector,
Insulator earth detector, system and method.
Background technology
The pollution flashover serious threat of transmission facility the safety of power system, and the normal operation to power network brings great danger
Evil, wherein insulator contamination have become the number one killer for threatening Operation of Electric Systems.Insulator is used as and is widely used in transmission of electricity
Equipment in circuit, it is easily influenceed, for a long time under these circumstances outside being placed on for a long time by harsh weather and environmental pollution
The insulator of operation can form pollution layer in outer surface, and when pollution layer is built up, the filth on its top layer can become to moisten, and occur
Deliquescence, so as to reduce its resistance, therefore the change of the insulating properties of insulator is caused, plus the effect of working voltage, Jiu Huiyan
The phenomenon that the surface of insulator and atmosphere is discharged, causes flashover fault.By the Leakage Current for detecting insulator
Corresponding pollution flashover state can be analyzed, makes rational prediction and decision-making, so as to handle in time filth,
Reach the purpose that preventing and treating pollution flashover accident occurs.
With the development of sensor technology and the communication technology, occur at present in terms of the status monitoring of insulator a large amount of
Theoretical research and monitoring device.Because Leakage Current can reflect the state of insulator, therefore, Leakage Current detecting system
By detecting the Leakage Current sensor connected with insulator chain, useful feature signal is accurately extracted, passes through Internet of Things
The characteristic signal of all insulators in one region is transferred to insulator by technology by the communication technology used in Internet of Things
Monitoring center and control centre, handled using technologies such as big data, cloud computings, so as to draw the virtual condition of insulator,
And carry out control and decision-making accordingly.
But because Leakage Current sensor of the prior art is connected with insulator, in Leakage Current sensor
The electric current flowed through is identical with the leakage current of insulator, can directly obtain the leakage current of insulator, therefore, monitoring circuit and leakage electricity
Stream is non-isolated, the problem of current drain be present.In addition, distance that high voltage power transmisson system is related to is remote, region is wide, power supply
Being one needs to solve the problems, such as.
Therefore, how on the basis of insulator detection of electrical leakage is realized, solve current drain and powerup issue turns into this
One of art personnel's urgent problem to be solved.
The content of the invention
In view of the above the shortcomings that prior art, it is an object of the invention to provide a kind of earth detector, insulation
Sub- earth detector, system and method, for solving current drain and confession existing for the detection of insulator leak source in the prior art
Electric problem.
In order to achieve the above objects and other related objects, the present invention provides a kind of earth detector, the detection of electrical leakage
Device comprises at least：
Circular shell, including the first semicircular ring and the second semicircular ring, first semicircular ring and second semicircular ring are led to
Cross fastener to interfix to form the circular shell, the madial wall of the circular shell is cylindrical structural；
Current detection module, data processing module, communication module, antenna and the power supply mould being arranged on the circular shell
Block；Wherein,
The current detection module receives electric leakage signal, and the electric leakage signal is converted into electric leakage data signal；
The data processing module is connected to the output end of the current detection module, according to corresponding communication protocol to described
Data signal of leaking electricity carries out transcoding, to obtain the effective electric leakage information for meeting communication standard；
The communication module is connected to the output end of the data processing module, for transmitting the effectively electric leakage information；
The antenna is connected to the output end of the communication module, is wirelessly transferred for realizing；
The power supply module is the current detection module, the data processing module and communication module power supply.
Preferably, the lateral wall of the circular shell is in umbrella, and the radius of its upper end is less than the radius of lower end.
Preferably, the material of the circular shell is insulation anti-aging material.
Preferably, the outer surface of the circular shell is provided with solar cell, the solar cell and the power supply
Module connects, for being charged for the power supply module.
Preferably, temperature sensor, humidity sensor or baroceptor are additionally provided with the circular shell, each sensing
Device is connected with the data processing module, and the signal that the data processing module detects to each sensor carries out communication protocol and turned
Code, and pass through the communication module and the antenna transmission signal.
Preferably, the fastener includes screw or buckle.
Preferably, the surface of the current detection module, the data processing module and the communication module is provided with screen
Cover cover.
In order to achieve the above objects and other related objects, the present invention provides a kind of insulator earth detector, described exhausted
Edge earth detector comprises at least：
Insulator；
Insulator hardware, it is arranged at the end of the insulator；
Collecting ring, the collecting ring are sheathed on the insulator hardware, and the insulator is obtained by electromagnetic induction
Electric leakage signal, and it is converted into electric current output；
Above-mentioned earth detector, the earth detector hoop is located at insulator hardware periphery, with the afflux
Ring connection has to obtain the electric leakage signal of the insulator, and the insulator is exported after handling the electric leakage signal
Effect electric leakage information.
Preferably, the insulator hardware is fixed on shaft tower crossbeam by bindiny mechanism.
It is highly preferred that the bindiny mechanism is set respectively with the both ends that the insulator hardware and the shaft tower crossbeam are connected
There are insulation sleeve or insulation spacer.
Used it is highly preferred that the bindiny mechanism is single-stage use or plural serial stage.
It is highly preferred that the insulator earth detector also includes grading ring, the grading ring is fixed on the insulation
Interest has between the bindiny mechanism.
It is highly preferred that the grading ring includes multiple annulus, the radius of its upper strata annulus is less than the radius of lower floor's annulus.
Preferably, insulation spacer or insulating gum cover are provided between the earth detector and the insulator hardware.
Preferably, the collecting ring is connected with the earth detector by shielding line.
In order to achieve the above objects and other related objects, the present invention provides a kind of insulator current leakage detection system, described exhausted
Edge current leakage detection system comprises at least：
Multiple above-mentioned insulator earth detectors and Surveillance center；
Multiple insulator earth detectors form networking, and one of insulator earth detector is as centromere
Point, other insulator earth detectors are as child node, and communication module in each child node is by respective effectively electric leakage information
Send to the communication module of the Centroid, the communication module of the Centroid by all effective electric leakage information send to
The Surveillance center.
Preferably, each child node is carried out data transmission with the Centroid by ZigBee protocol or RF433 agreements.
Preferably, the Centroid is communicated with the Surveillance center by wirelessly or non-wirelessly mode, and radio communication includes
GPRS or 3/4G communications, wire communication include optical fiber or cable.
In order to achieve the above objects and other related objects, the present invention provides a kind of insulator electrical leakage detecting method, described exhausted
Edge electrical leakage detecting method comprises at least：
By the leakage current of electromagnetic induction non-contact detection insulator, the electric leakage signal detected is converted into electric leakage number
Word signal, transcoding is carried out to obtain the effective electric leakage information for meeting communication standard to the electric leakage data signal, will be described effective
Electric leakage information is sent to Centroid or Surveillance center.
Preferably, insulator detection of electrical leakage is carried out in equipotential environment.
Preferably, the temperature, humidity or air pressure of insulator local environment are detected, to estimate the security of insulator
Energy.
Preferably, judge to insulate by measuring the size variation of Leakage Current, the peak value of pulse current, the frequency that occurs
The state of son.
As described above, the earth detector of the present invention, insulator earth detector, system and method, have following
Beneficial effect：
1st, the present invention installs collecting ring on the insulator, and using non-contacting method collection electric current, can be effective
The problem of avoiding current drain.
2nd, the detection of electrical leakage of current detection module of the invention, data processing module, communication module and power supply unit composition
The shell mechanism of device be two semicircle hoops on insulator hardware, installation be simply easy to mass production.
3rd, the present invention uses the mode that solar cell and rechargeable battery are powered jointly to provide electricity for earth detector
Energy, it is effectively increased the run time of device.
4th, the present invention can realize networking and telecommunication in region using the Internet of Things communication technology, can be Surveillance center
The data of insulator leakage current in one region are conveniently provided.
5th, grading ring is installed in insulator hardware and bindiny mechanism position, makes plant running in the environment of equipotential,
Electromagnetic interference can effectively be reduced.
6th, electric insulation can effectively be increased by being provided with insulation sleeve or insulation spacer in connecting portion.
Brief description of the drawings
Fig. 1 is shown as the structural representation of the insulator earth detector of the present invention.
Fig. 2 is shown as the left view of the earth detector of the present invention.
Fig. 3 is shown as the top view of the earth detector of the present invention.
Fig. 4 is shown as the operation principle schematic diagram of the insulator earth detector of the present invention.
Fig. 5 is shown as the front view of the earth detector of the present invention.
Fig. 6 is shown as the structural representation of the insulator current leakage detection system of the present invention.
Component label instructions
1 insulator earth detector
11 insulators
111 silicone rubber jackets
112 silicon rubber umbrella skirts
12 insulator hardwares
13 collecting rings
14 earth detectors
141 first semicircular rings
142 second semicircular rings
143 fasteners
144 current detection modules
145 data processing modules
146 communication modules
147 antennas
148 power supply modules
149 solar cells
15 grading rings
16 insulation spacers
2 bindiny mechanisms
3 shaft tower crossbeams
4 Surveillance center
S11~S26 steps
Embodiment
Illustrate embodiments of the present invention below by way of specific instantiation, those skilled in the art can be by this specification
Disclosed content understands other advantages and effect of the present invention easily.The present invention can also pass through specific realities different in addition
The mode of applying is embodied or practiced, the various details in this specification can also be based on different viewpoints with application, without departing from
Various modifications or alterations are carried out under the spirit of the present invention.
Refer to Fig. 1~Fig. 6.It should be noted that the diagram provided in the present embodiment only illustrates this in a schematic way
The basic conception of invention, the component relevant with the present invention is only shown in schema then rather than according to package count during actual implement
Mesh, shape and size are drawn, and kenel, quantity and the ratio of each component can be a kind of random change during its actual implementation, and its
Assembly layout kenel may also be increasingly complex.
Embodiment one
As shown in figure 1, the present invention provides a kind of insulator earth detector 1, the insulator earth detector 1 wraps
Include：
Insulator 11, insulator hardware 12, collecting ring 13, earth detector 14 and grading ring 15.
As shown in figure 1, in embodiment itself, the insulator 11 includes being sheathed on the outside of plug (not shown)
Silicone rubber jacket 111 and silicon rubber umbrella skirt 112, the arbitrary shape prepared using ceramics, glass, composite or other insulating materials
The insulator of shape is applied to the present invention, is not limited with the present embodiment.
As shown in figure 1, the insulator hardware 12 is arranged at the end of the insulator 11, it is connected with the plug.Institute
Stating insulator hardware 12 includes elongate member and connection member, and the connection member passes through the elongate member and the insulator
11 end connection.In the present embodiment, the connection member includes the cavity of a upper end open, and one end of bindiny mechanism 2 is set
It is placed in the cavity, the opening of the cavity is less than the end of the bindiny mechanism 2, so that the end of the bindiny mechanism 2
It is limited in the cavity；Be provided with installation window in the side wall of the cavity side, the shape of the installation window with it is described
The end shape of bindiny mechanism 2 is consistent, and size is more than the end size of the bindiny mechanism 2, the end of the bindiny mechanism 2 from
The installation window is fitted into the cavity.In actual applications, the shape of the connection member of the insulator hardware 12 is a variety of
It is various, matched with the end of the bindiny mechanism 2, connected mode includes but is not limited to be hinged, screw connection, pin joint, right with this
The connection member for the insulator hardware 12 answered is applied to the present invention, is not limited with the structure of the present embodiment.
As shown in figure 1, in the present embodiment, the insulator hardware 12 is fixed on shaft tower horizontal stroke by the bindiny mechanism 2
On beam 3, the both ends that the bindiny mechanism 2 is connected with the insulator hardware 12 and the shaft tower crossbeam 3 are respectively arranged with insulation
Set or insulation spacer.The bindiny mechanism 2 can single-stage use, can also plural serial stage use.When plural serial stage using when can have
Effect lengthens the length of the bindiny mechanism 2, to facilitate the connection of the insulator hardware 12 and the shaft tower crossbeam 3.
As shown in figure 1, the collecting ring 13 is sheathed on the insulator hardware 12, obtained by electromagnetic induction described exhausted
The electric leakage signal of edge 11, and it is converted into electric current output.
Specifically, the collecting ring 13 is an annular electromagnetic transformer, and hoop is right located at the outside of the insulator hardware 12
Electromagnetic signal caused by the leakage current of the insulator 11 is sensed, and is converted into corresponding electric current output.Pass through electromagnetism sense
Should, make Leakage Current and leakage current test loop (in the present embodiment, leakage current test loop include current detection module 144,
Data processing module 145, communication module 146 and antenna 147) isolation, solve the problems, such as current drain.
As shown in figure 1, the hoop of earth detector 14 is peripheral located at the insulator hardware 12, with the collecting ring 13
Connection exports the insulator 11 to obtain the electric leakage signal of the insulator 11 after handling the electric leakage signal
Effectively electric leakage information.
Specifically, as shown in Fig. 2 the earth detector 14 includes circular shell, is arranged on the circular shell
Current detection module 144, data processing module 145, communication module 146, antenna 147 and power supply module 148.
More specifically, as shown in figure 3, the circular shell includes the first semicircular ring 141 and the second semicircular ring 142, it is described
First semicircular ring 141 and second semicircular ring 142 interfix to form the circular shell by fastener 143, described tight
Firmware 143 includes but is not limited to screw and buckle, and in the present embodiment, the fastener be screw, by two semicircular rings and
The mode that appended claims are fixed, earth detector 14 of the invention can be bound round on the insulator hardware of various different sizes.
The inwall for the circular shell that first semicircular ring 141 and second semicircular ring 142 are formed is cylindrical structural, as Fig. 1~
Shown in Fig. 3, the interior armlet of the circular shell is in the outside of the insulator hardware 12, and the inwall of the circular shell and institute
State and be provided with insulation spacer or insulating gum cover between the outer surface of insulator hardware 12, to increase insulating properties, in the present embodiment
In, using insulation spacer 16, the insulation spacer 16 of different-thickness can be selected according to different usage scenarios, is not limited one by one herein
It is fixed.In the present embodiment, in order to increase the outer surface of the circular shell product, while avoid the earth detector 14 because
Cause to damage for filth, the lateral wall of the circular shell is in umbrella, and the radius of its upper end is less than the radius of lower end.In this implementation
In example, the material of the circular shell is insulation anti-aging material, has waterproof, age inhibiting advantage.
More specifically, as shown in Fig. 2 in the present embodiment, the current detection module 144, the data processing module
145th, the communication module 146, the antenna 147 are arranged in first semicircular ring 141.As shown in figure 4, the electric current inspection
Survey module 145 to be connected with the collecting ring 13 by shielding line, receive the electric leakage signal that the collecting ring 13 detects, and by institute
State electric leakage signal and electric leakage data signal is converted into by analog-to-digital conversion.The data processing module 145 is connected to the electric current inspection
The output end of module 144, including but not limited to main control unit, PMU are surveyed, the data processing module 145 is according to phase
Communication protocol is answered to carry out transcoding to the electric leakage data signal, to obtain the effective electric leakage information for meeting communication standard, and meanwhile it is right
The power supply that the power supply module 148 exports is managed, and is supplied to the electric current to examine by boosting, being depressured, after the conversion such as voltage stabilizing
Survey module 144 and the communication module 146.The communication module 146 is connected to the output end of the data processing module 145,
For transmitting the effectively electric leakage information.The antenna 147 is connected to the output end of the communication module 146, for realizing nothing
Line transmits；In order to ensure communication quality, the antenna 147 is arranged on the outside of the circular shell, in the present embodiment, described
Antenna 147 is installed on the bottom of the circular shell, and leans out the circular shell.Be additionally provided with the circular shell including
But be not limited to temperature sensor, humidity sensor and baroceptor, each sensor be arranged on the circular shell surface or
Person is embedded in the circular shell, and is connected with the data processing module 145, and the data processing module 145 is to each sensing
The signal that device detects carries out communication protocol transcoding, and passes through the communication module 146 and the transmission signal of the antenna 147.
More specifically, as shown in Fig. 2 in the present embodiment, the power supply module 148 is arranged at second semicircular ring
On 142.As shown in figure 4, the power supply module 148 connects the data processing module 145, pass through the data processing module
It is that the current detection module 144, the data processing module 145 and the communication module 146 supply after 145 power management
Electricity.In actual use, the power supply module 148 can be directly connected to the current detection module 144, the data processing module
145 and the communication module 146 with power.The power supply module 148 is rechargeable battery or battery pack, in order to avoid battery
Change, in the present embodiment, the power supply module 148 is rechargeable battery.Further, as shown in figure 5, in first semicircle
The surface of ring 141 and second semicircular ring 142 is provided with solar cell 149, as shown in figure 4, the solar cell 149
It is connected with the power supply module 148, for being charged for the power supply module 148, the frequent replacing of battery and external is avoided with this
The potential safety hazard that charge power supply is brought.The solar cell 149 can be arranged at first semicircular ring 141 and described simultaneously
The surface of two semicircular rings 142, can also be only arranged at one of surface, be configured according to actual needs, not with this reality
Example is applied to be limited.
The current detection module 144, the data processing module 145, the communication module 146, the antenna 147 and
The power supply module 148 can be arranged at first semicircular ring 141 and second semicircular ring 142 according to actual needs
On, it is not limited with the present embodiment.
Meanwhile the current detection module 144, the data processing module 145, the communication module 146 and the confession
The electric surface of module 148 is provided with radome, and to avoid electromagnetic interference, and then normal table works.
As shown in figure 1, the grading ring 15 is fixed between the insulator hardware 12 and the bindiny mechanism 2, it is described
Grading ring 15 makes the earth detector 14 be in the environment of equipotential, effectively reduces electromagnetic interference.
Specifically, the grading ring 15 includes multiple annulus, is connected by the metal of longitudinal direction, the radius of its upper strata annulus is small
In the radius of lower floor's annulus, in the present embodiment, the grading ring 15 includes two annulus, respectively positioned at top and bottom, with
The circular shell is in identical umbrella-shaped structure.
Embodiment two
The present embodiment provides a kind of insulator current leakage detection system, is realized based on the insulator earth detector 1.
As shown in fig. 6, multiple insulator earth detectors 1 carry out networking using the wireless communication technology of Internet of Things,
In the present embodiment, the first insulator earth detector is as Centroid, the second~the n-th insulator earth detector conduct
Child node, communication module in the second~the n-th insulator earth detector (each child node) is by respective effectively electric leakage information
Wirelessly send to the communication module of the first insulator earth detector (Centroid), the Centroid
By the effective electric leakage information received (including the first~the n-th insulator earth detector detect effective electric leakage information) hair
Deliver to the Surveillance center 4.
Specifically, the n insulator earth detector 1 in a region, each insulator earth detector 1
Centroid can be used as, the major function of Centroid is to collect the data (data for including itself) of other child nodes, is led to
All data are sent to the Surveillance center 4 by the mode for crossing radio communication.Lead between the insulator earth detector 1 of networking
The communication crossed in Internet of Things realizes that including but not limited to ZigBee (ZigBee protocol) and RF433, other LANs are assisted
View is equally applicable to the insulator current leakage detection system of the present invention, does not limit one by one herein.The characteristics of MANET is in the region
Each insulator earth detector 1 can serve as Centroid, as centered on node insulator detection of electrical leakage dress
Put damage or after being stopped because of out of power, any one in other nodes can continue as Centroid holding with it is described
The communication of Surveillance center 4.Centroid and the communication mode of the Surveillance center 4 can be radio communications or wired
Communication；Wherein, radio communication include but be not limited to GPRS, 3/4G communication (other communications be applied to the present invention, no
Be limited with the present embodiment), wire communication include fiber optic communication, cable communication (other wired communication modes be applied to the present invention,
It is not limited with the present embodiment).
Embodiment three
The present embodiment provides a kind of installation method of the insulator earth detector, in the present embodiment, specific bag
Include：
Step S11：The current detection module 144, the data processing module 145, the communication module 146 are installed
In first semicircular ring 141, the sensor (temperature sensor, humidity sensor and baroceptor) of extension is pacified in the lump
Dress；The communication module 146 is connected with the antenna 147, and the antenna 147 is arranged on first semicircular ring 141
Outside.The collecting ring 13 and the current detection module 144 are attached by shielding line.
Step S12：Rechargeable battery or battery pack 148 are arranged in second semicircular ring 142, by rechargeable battery
Or battery pack 148 is attached with solar cell 149 by wire, solar cell 149 is fixed on first semicircle
The outside of ring 141 and second semicircular ring 142.Rechargeable battery or battery pack 148 are passed through into wire and the data processing
The PMU of module 145 is attached.
Step S13：The cover plate of first annulus 141 and second semicircular ring 142 is fixed, and checks its waterproof
Property；In the outside of insulator hardware 12 waterproof glue insulation spacer or set insulating gum cover 16；By the first annulus described in device
141 and second semicircular ring 142 by screw 143 either buckle hoop outside the insulation spacer 16 or insulating gum cover.
Step S14：Collecting ring 13 is enclosed on above insulator hardware 12, is connected in insulator hardware 12 with bindiny mechanism 2
Position installation grading ring 15.
Step S15：Insulator hardware 12, insulator 11, bindiny mechanism 2 and mounted earth detector 14 are passed through
Bindiny mechanism 2 is fixed on shaft tower crossbeam 3, and the schematic diagram after installation is as shown in Figure 1.
Step S16：Method according to above-mentioned steps installs other devices, until the device in one region of installation；
The data of all devices are checked using the monitoring software of the Surveillance center 4 after one area's device within a domain installation, are used for
Judgment means whether normal operation.
Example IV
The present embodiment provides a kind of insulator electrical leakage detecting method, in the present embodiment based on the insulator detection of electrical leakage
Device 1 is realized.
Step S21：The insulator electrical leakage detecting method comprises the following steps that：
Step S22：The leakage current that electromagnetic induction non-contact detection insulator is passed through based on the collecting ring 13；
Step S23：The electric leakage signal detected is converted into by electric leakage data signal based on the current detection module 144；
Step S24：Based on the temperature sensor, the humidity sensor and the baroceptor to the insulator
Local environment is detected；
Step S25：It is logical to obtain meeting that transcoding is carried out to the electric leakage data signal based on the data processing module 145
The accurate effective electric leakage information of beacon, while transcoding is carried out to the temperature, humidity and pressure information of the insulator local environment, obtain
To the effective environment information for meeting communication standard；
Step S26：Based on the communication module 146 and the antenna 147 by effectively electric leakage information and the effective environment
Information is to Centroid or Surveillance center.
Further, above-mentioned insulator electrical leakage detecting method is carried out in equipotential environment.
The poor insulation period of the day from 11 p.m. to 1 a.m in filthy or insulator chain being present when insulator surface have accumulated, Leakage Current will increase,
Therefore, the present invention judges insulator by measuring the size variation of Leakage Current, the peak value of pulse current, the frequency that occurs
State.
In summary, the present invention provides a kind of earth detector, insulator earth detector, system and method and used
Punching earth detector gathers Leakage Current by non-contacting mode, it is not necessary to which installation on the insulator can also be to letting out
Dew electric current is sensed, and the equipment hoop can be applied to the insulator of plurality of specifications on insulator hardware, while using too
Energy battery and rechargeable battery are powered jointly, the effective usage time for increasing equipment, networking energy are carried out using technology of Internet of things
The state of the Leakage Current of insulator in one region of enough effectively collections, and transferred data to by the Internet of Things communication technology
Surveillance center.Of the invention effectively to solve the problems, such as current drain, installation is simply suitable to batch production, plant running time length, operation
Electromagnetic interference is reduced in equipotential environment, electric insulation is added by insulation spacer and insulation sleeve.So the present invention has
Effect overcomes various shortcoming of the prior art and has high industrial utilization.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe
Know the personage of this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such as
Into all equivalent modifications or change, should by the present invention claim be covered.
Claims (22)
1. a kind of earth detector, it is characterised in that the earth detector comprises at least：
Circular shell, including the first semicircular ring and the second semicircular ring, first semicircular ring and second semicircular ring pass through tight
Firmware interfixes to form the circular shell, and the madial wall of the circular shell is cylindrical structural；
Current detection module, data processing module, communication module, antenna and the power supply module being arranged on the circular shell；
Wherein,
The current detection module receives electric leakage signal, and the electric leakage signal is converted into electric leakage data signal；
The data processing module is connected to the output end of the current detection module, according to corresponding communication protocol to the electric leakage
Data signal carries out transcoding, to obtain the effective electric leakage information for meeting communication standard；
The communication module is connected to the output end of the data processing module, for transmitting the effectively electric leakage information；
The antenna is connected to the output end of the communication module, is wirelessly transferred for realizing；
The power supply module is the current detection module, the data processing module and communication module power supply.
2. earth detector according to claim 1, it is characterised in that：The lateral wall of the circular shell is in umbrella,
The radius of its upper end is less than the radius of lower end.
3. earth detector according to claim 1, it is characterised in that：The material of the circular shell is anti-old for insulation
Change material.
4. earth detector according to claim 1, it is characterised in that：The outer surface of the circular shell is provided with too
Positive energy battery, the solar cell are connected with the power supply module, for being charged for the power supply module.
5. earth detector according to claim 1, it is characterised in that：Temperature biography is additionally provided with the circular shell
Sensor, humidity sensor or baroceptor, each sensor are connected with the data processing module, the data processing module pair
The signal that each sensor detects carries out communication protocol transcoding, and passes through the communication module and the antenna transmission signal.
6. earth detector according to claim 1, it is characterised in that：The fastener includes screw or buckle.
7. earth detector according to claim 1, it is characterised in that：At the current detection module, the data
The surface of reason module and the communication module is provided with radome.
8. a kind of insulator earth detector, it is characterised in that the insulator earth detector comprises at least：
Insulator；
Insulator hardware, it is arranged at the end of the insulator；
Collecting ring, the collecting ring are sheathed on the insulator hardware, and the electric leakage of the insulator is obtained by electromagnetic induction
Signal, and it is converted into electric current output；
Earth detector as described in claim 1~7 any one, the earth detector hoop are located at the insulator
Gold utensil periphery, is connected to obtain the electric leakage signal of the insulator, and the electric leakage signal is handled with the collecting ring
Effective electric leakage information of the insulator is exported afterwards.
9. insulator earth detector according to claim 1, it is characterised in that：The insulator hardware passes through connection
Mechanism is fixed on shaft tower crossbeam.
10. insulator earth detector according to claim 9, it is characterised in that：The bindiny mechanism with it is described absolutely
Edge interest has and the both ends of shaft tower crossbeam connection are respectively arranged with insulation sleeve or insulation spacer.
11. insulator earth detector according to claim 9, it is characterised in that：The bindiny mechanism makes for single-stage
With or plural serial stage use.
12. insulator earth detector according to claim 9, it is characterised in that：The insulator detection of electrical leakage dress
Putting also includes grading ring, and the grading ring is fixed between the insulator hardware and the bindiny mechanism.
13. insulator earth detector according to claim 12, it is characterised in that：The grading ring includes multiple circles
Ring, the radius of its upper strata annulus are less than the radius of lower floor's annulus.
14. insulator earth detector according to claim 8, it is characterised in that：The earth detector and institute
State and be provided with insulation spacer or insulating gum cover between insulator hardware.
15. insulator earth detector according to claim 8, it is characterised in that：The collecting ring and the electric leakage
Detection means is connected by shielding line.
16. a kind of insulator current leakage detection system, it is characterised in that the insulator current leakage detection system comprises at least：It is multiple
Insulator earth detector and Surveillance center as described in claim 8~15；
Multiple insulator earth detectors form networkings, one of insulator earth detector as Centroid, its
His insulator earth detector as child node, communication module in each child node by respective effectively electric leakage information send to
The communication module of the Centroid, the communication module of the Centroid send all effective electric leakage information to the prison
Control center.
17. insulator current leakage detection system according to claim 16, it is characterised in that：Each child node and the centromere
Point is carried out data transmission by ZigBee protocol or RF433 agreements.
18. insulator current leakage detection system according to claim 16, it is characterised in that：The Centroid and the prison
Control communicates centrally through wirelessly or non-wirelessly mode, and radio communication includes GPRS or 3/4G and communicated, and wire communication includes optical fiber or electricity
Cable.
19. a kind of insulator electrical leakage detecting method, it is characterised in that the insulator electrical leakage detecting method comprises at least：
By the leakage current of electromagnetic induction non-contact detection insulator, the electric leakage signal detected is converted into electric leakage numeral letter
Number, transcoding is carried out to obtain the effective electric leakage information for meeting communication standard to the electric leakage data signal, by the effectively electric leakage
Information is sent to Centroid or Surveillance center.
20. insulator electrical leakage detecting method according to claim 19, it is characterised in that：Insulator detection of electrical leakage is waiting electricity
Carried out in gesture environment.
21. insulator electrical leakage detecting method according to claim 19, it is characterised in that：To the temperature of insulator local environment
Degree, humidity or air pressure are detected, to estimate the security performance of insulator.
22. insulator electrical leakage detecting method according to claim 19, it is characterised in that：By measuring the big of Leakage Current
Small change, the peak value of pulse current, the frequency that occurs judge the state of insulator.
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