CN104316823B - A kind of method and device of defects detection - Google Patents
A kind of method and device of defects detection Download PDFInfo
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- CN104316823B CN104316823B CN201410645316.6A CN201410645316A CN104316823B CN 104316823 B CN104316823 B CN 104316823B CN 201410645316 A CN201410645316 A CN 201410645316A CN 104316823 B CN104316823 B CN 104316823B
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- 230000007547 defect Effects 0.000 title claims abstract description 124
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Abstract
Include the invention discloses a kind of method and device of defects detection：Extract the power line that the switch cubicle with remote control defect operates motor out, wherein, switch cubicle operation motor status are constant after extracting power line out；The power line is connected on testing of electric motors, testing of electric motors is connected to form remote control circuit with secondary circuit, wherein, the testing of electric motors is identical with switch cubicle operation motor；Operation is remotely controlled to secondary circuit in switch cubicle, judges that remote control circuit whether there is defect point；The method can carry out defects detection on the basis of primary equipment is not changed, removal auxiliary tone or arrange related power failure, by means of a plan, improve the operating efficiency of defects detection.
Description
Technical field
The present invention relates to technical field of electricity, more particularly to a kind of method and device of defects detection.
Background technology
With the development of the automatic technology in power distribution network, the automation website remote control full work attendance in power distribution network is now realized substantially
Rate, it is incident to be the huge workload brought of switch cubicle of remote control failure and cumbersome lack with the popularization of remote control
Fall into testing process.
Existing defects detection flow must arrange corresponding power failure, by means of a plan, and the power failure plan nothing that auxiliary tone is arranged
The doubtful reliability index that can make power supply is faced with formidable challenges；Although what auxiliary tone was formulated can not be related to have a power failure by means of electricity plan,
But complicated Distribution Network Frame need to undergo the impact of the repeatedly high current such as " cyclization ", " unlinking " in urban district, once electric current transfinites
Tripping operation, the bustling commercial circle user that it is undertaken has a power failure, and no small economic loss and society will be brought to negatively affect.
And, in the remote control class defects detection among to power distribution automation, at present using the remote control " examination close " at scene,
The method of " examination point " is investigated, and " examination is closed ", " examination point " can be related to the operational issue of primary equipment, some can be brought to arrange
Red tape；Therefore also needed to during defects detection strict control " examination is closed ", " examination point " number of times come reduce by
The risk that this frequency of power cut for triggering or " cyclization ", " unlinking " bring.
Therefore, defects detection how is carried out on the basis of primary equipment is not changed, auxiliary tone is removed or is arranged related stopping
Electricity, by means of plan, improve defects detection operating efficiency, be those skilled in the art's technical issues that need to address.
The content of the invention
It is an object of the invention to provide a kind of method of defects detection, the method can not change the basis of primary equipment
On carry out defects detection, removal auxiliary tone or arrange related power failure, by means of a plan, improve the operating efficiency of defects detection；This hair
Bright another object is to provide a kind of device of defects detection.
In order to solve the above technical problems, the present invention provides a kind of method of defects detection, the method includes：
Extract the power line that the switch cubicle with remote control defect operates motor out, wherein, extract switch cubicle operation after power line out
Motor status are constant；
The power line is connected on testing of electric motors, testing of electric motors is connected to form remote control circuit with secondary circuit, wherein, institute
State testing of electric motors identical with switch cubicle operation motor；
Operation is remotely controlled to secondary circuit in switch cubicle, judges that remote control circuit whether there is defect point.
Wherein, it is described that operation is remotely controlled to secondary circuit in switch cubicle, judge that remote control circuit whether there is defect point bag
Include：
Multiple parts in switch cubicle perform following steps respectively：
Treat detection part to be remotely controlled, change the on off state of the part to be detected；
Detect the detection numerical value of each part of remote control circuit when the part to be detected is in different on off states；
Whether the detection numerical value of each part according to remote control circuit is compared analysis with predetermined value, judges remote control circuit
Existing defects point.
Wherein, also include before the power line of the switch cubicle operation motor extracted out with remote control defect：
The control panel of switch cubicle is opened, whether has sensing with the metal shell of the operating mechanism of electroscope detection switch cabinet
Electricity；
When the metal shell of the operating mechanism of the switch cubicle does not have induced electricity, by metal shell ground connection.
A kind of device of defects detection provided by the present invention, the device includes：Testing of electric motors, remote control equipment, detection sets
It is standby, wherein,
Testing of electric motors, for electric test is connected to after the power line extraction of the switch cubicle operation motor with remote control defect
On machine so that testing of electric motors is connected to form remote control circuit with secondary circuit；
Remote control equipment, for being remotely controlled operation to secondary circuit in switch cubicle；
Testing equipment, for judging that remote control circuit whether there is defect point.
Wherein, the testing equipment includes：Detection part, processing component, wherein,
Detection part, for detecting each part of remote control circuit when the part to be detected is in different on off states
Detection numerical value；
Processing component, for the detection numerical value of each part of remote control circuit and predetermined value to be compared into analysis, judges
Remote control circuit whether there is defect point.
Wherein, the processing component includes：Comparator, determining device, wherein,
Comparator, for the detection numerical value of each part of remote control circuit and predetermined value to be compared into analysis；
Determining device, for judging that remote control circuit whether there is defect point.
Wherein, the processing component also includes：Display, the result for showing final process part, works as remote control
During the existing defects point of loop, the position of display defect point.
Wherein, described device also includes：Electroscope, for detection switch cabinet operating mechanism metal shell whether thoughts
Should electricity.
Wherein, described device also includes：Ground wire, the metal shell for the operating mechanism when the switch cubicle is not felt
When should be electric, by metal shell ground connection.
A kind of defect elimination device provided by the present invention, the device includes the defects detection described in any one of claim 1 to 9
Device.
Based on above-mentioned technical proposal, a kind of method and device of defects detection provided by the present invention, extracting out has remote control
The switch cubicle of defect operates the power line of motor, wherein, switch cubicle operation motor status are constant after extracting power line out；By the electricity
Source line is connected on testing of electric motors, and testing of electric motors and secondary circuit are connected to form remote control circuit, wherein, the testing of electric motors with it is described
Switch cubicle operation motor is identical；Operation is remotely controlled to secondary circuit in switch cubicle, judges that remote control circuit whether there is defect point；
Again because using the external method of testing of electric motors so that the original operation motor of switch cubicle is failure to actuate and does not change original switch cubicle
Division state, will not so have a power failure during carrying out carrying out defect elimination to switch cubicle, that is, remove auxiliary tone or arrange related
Have a power failure, plan by means of electricity, improve the operating efficiency of defects detection；And because external motor is grasped with the switch cubicle with remote control defect
It is the same motor as motor, can so ensures that the remote control circuit formed after testing of electric motors access and loop before are one
Sample, can so ensure the accuracy of detection, and the method only needs intact same type compared with prior art
Testing of electric motors, but power failure, the economic loss brought by means of electricity are that of avoiding, therefore with very big economic benefit.
Brief description of the drawings
For the clearer explanation embodiment of the present invention or the technical scheme of prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for technology description is briefly described, it should be apparent that, drawings in the following description are only this hair
Some bright embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the flow chart of the method for defects detection provided in an embodiment of the present invention；
Fig. 2 be defects detection provided in an embodiment of the present invention method in judge remote control circuit with the presence or absence of defect point side
The flow chart of method；
Fig. 3 be defects detection provided in an embodiment of the present invention method in extract out switch cubicle operation motor power line it
The flow chart of preceding safety detection；
Fig. 4 is the structured flowchart of the device of defects detection provided in an embodiment of the present invention；
Fig. 5 is the structured flowchart of testing equipment provided in an embodiment of the present invention；
Fig. 6 is the structured flowchart of processing component provided in an embodiment of the present invention；
Fig. 7 is the structured flowchart of another processing component provided in an embodiment of the present invention.
Specific embodiment
It is an object of the invention to provide a kind of method of defects detection, the method can not change the basis of primary equipment
On carry out defects detection, removal auxiliary tone or arrange related power failure, plan by means of electricity, improve the operating efficiency of defects detection；This hair
Bright another object is to provide a kind of device of defects detection.
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
The existing method detected to defect can be related to the change to the state of primary equipment, can so bring numerous
Trivial testing process, for example have a power failure cooperation etc., the economic loss that the problem and power failure that can so bring power supply reliability are caused；
Wherein, primary equipment is directly to be produced, the equipment for conveying, distributing and using electric energy, mainly including the following aspects：It is raw
Produce the equipment with converting electrical energy；The generator of electric energy is such as converted mechanical energy into, voltage of transformation transmits the transformer of electric energy, will
Electric energy becomes motor of mechanical energy etc..The switchgear of make-and-break contact；Such as height voltage breaker, on-load switch, melt
Disconnected device, disconnecting switch, contactor, magnetic starter etc..Protection is electric；Reactor, defence overvoltage such as limiting short-circuit current
Arrester etc..Current－carrying conductor；Such as transmit soft, the hard conductor and cable of electric energy.
Switch cubicle remote control it is unsuccessful i.e. have defect the reason for can be divided three classes in theory：1. communication class；2. two times
Loop class；3. motor-operating mechanism Hard link class.According to conventional defects detection and the experience of defect elimination, the wherein first kind, communication
The defect of class can be judged by the communication message in ONU indicator lamps and terminal；3rd class, motor-operating mechanism Hard link
The shared ratio in overall defect of the defect of class is seldom and easy range estimation judges；Wherein, ONU (Optical Network Unit)
Optical network unit, ONU points is active optical network unit and passive optical network unit；Typically equipped with including photoreceiver, up
Optical sender, the equipment of multiple bridging amplifier network monitorings are called optical node.Therefore, the unsuccessful main original of switch cubicle remote control
Because concentrating in secondary circuit class.
Wherein, secondary circuit (secondary circuit), refer to measuring loop, relay protection circuit, switch control and
The whole low tension loop such as electric blocking loop of signal circuit, operational power source circuit, breaker and disconnecting switch；By secondary device
Interconnect, the electric loop that composition is monitored to primary equipment, controls, adjusts and protects；By mutual inductance in electrical system
The secondary windings of device, measurement monitoring apparatus, relay, automatics etc. are by the circuit that controls cable to be unified into.
Therefore, to carrying out the process of defects detection with remote control defect switch cabinet aiming at the secondary circuit of remote control namely
Remote control circuit carries out closed loop investigation.
Fig. 1 is refer to, Fig. 1 is the flow chart of the method for defects detection provided in an embodiment of the present invention；Can be with by the figure
Seeing the method for defects detection can include：
Step s100, the power line for extracting the switch cubicle operation motor with remote control defect out, wherein, opened after extracting power line out
Close cabinet operation motor status constant；
Wherein, the switch cubicle with remote control defect is found, power failure is not resulted in again in order to find defect point, by means of the numerous of electricity etc.
Trivial flow, then be accomplished by so that the primary equipment in switch cubicle is failure to actuate, it is defeated because primary equipment is directly to be produced
The equipment for sending, distributing and using electric energy, can be switch cubicle operation motor in switch cubicle, i.e., to complete not change primary equipment
On the basis of carry out defects detection, removal auxiliary tone or arrange related power failure, plan by means of electricity, then the state of operation motor does not change
Become, that is, cause that the division state of switch cubicle does not change；
Therefore, it can extract the power line that the switch cubicle with remote control defect operates motor out, and cause the shape of operation motor
State does not change, i.e., do not influence the normal work of operation motor in the switch cubicle, and the power line of switch cubicle operation motor is extracted out simultaneously
Protection.
Step s110, the power line is connected on testing of electric motors, testing of electric motors is connected to form remote control and returns with secondary circuit
Road, wherein, the testing of electric motors is identical with switch cubicle operation motor；
Wherein, will extract out protection power line be connected on testing of electric motors because to ensure access testing of electric motors with it is secondary
As the remote control circuit that the remote control circuit that loop is formed is formed with former switch cubicle operation motor with secondary circuit, so can be true
It is real it is errorless restore original remote control circuit, also only on the same remote control circuit, could correctly find remote control failure
Reason, therefore testing of electric motors used operates motor identical with switch cubicle, is intact, same model, same motor.
Step s120, operation is remotely controlled to secondary circuit in switch cubicle, judges that remote control circuit whether there is defect point.
Wherein, remote control circuit is connected to form to testing of electric motors and secondary circuit and is remotely controlled operation, by straighforward operation
Result come judge remote control circuit whether there is defect point.
Based on above-mentioned technical proposal, a kind of method of defects detection provided in an embodiment of the present invention will by the above method
Testing of electric motors is external, and because using the external method of testing of electric motors so that the original operation motor of switch cubicle is failure to actuate i.e. not
Change the division state of original switch cubicle, will not so have a power failure during carrying out carrying out defect elimination to switch cubicle, be i.e. removal is matched somebody with somebody
Adjust or arrange related power failure, plan by means of electricity, improve the operating efficiency of defects detection；And due to external motor and there is remote control
The switch cubicle operation motor of defect is the same motor, can so ensure testing of electric motors access after the remote control circuit that is formed with
Loop before is the same, can so ensure the accuracy of detection, and the method only needs one compared with prior art
The testing of electric motors of intact same type, but power failure, the economic loss brought by means of electricity are that of avoiding, therefore with very big economic effect
Benefit.
Refer to Fig. 2, Fig. 2 be defects detection provided in an embodiment of the present invention method in judge that remote control circuit whether there is
The flow chart of the method for defect point；The method can include：Multiple parts in switch cubicle perform following steps respectively：
Step s200, treat detection part and be remotely controlled, change the on off state of the part to be detected；
Wherein, secondary circuit has many parts in the remote control circuit that testing of electric motors is formed with secondary circuit, in electrical system
In can be by the electricity that controls cable to be unified into by the secondary windings of transformer, measurement monitoring apparatus, relay, automatics etc.
Road.Therefore, to find the reason for remote control fails it is necessary to the relay in secondary circuit, the device such as switch is remotely controlled operation；
Change the on off state or work shape of the part to be detected by the straighforward operation carried out to the part in secondary circuit
State.
The detection of step s210, detection each part of remote control circuit when the part to be detected is in different on off states
Numerical value；
Wherein, the switch shape of the part to be detected is changed by the straighforward operation carried out to the part in secondary circuit
State or working condition, the detection numerical value of each part of remote control circuit when detecting that part to be detected is in different on off states；Example
As banked relay causes that relay is changed into closure, the numerical value of all parts in secondary circuit is at this moment detected；The numerical value can be
The sensing numerical value, or the measured value of other devices of sensor；And these detection numerical value are passed into processing component, locate
Reason part is analyzed, processes；Then relay is changed into by open state by straighforward operation, is continuing to detect, detect secondary returning
The numerical value of all parts in road；The numerical value can be the sensing numerical value of sensor, or the measured value of other devices；And
These detection numerical value are passed into processing component, processing component is analyzed, processes.
Step s220, analysis is compared according to the detection numerical value and predetermined value of each part of remote control circuit, judges distant
Control loop whether there is defect point.
Wherein, according to the detection numerical value that receives in processing component, find in processing component with each detection data phase
Corresponding data are compared, and according to the rule corresponding to each data, such as some numerical value are must be the same, some numerical value
Can be again a confidential interval just can with, by the rule of correspondence of each detection data, detection data is compared
Analysis, if all normal, proves that the part being remotely-controlled is normal, no exception；If the corrupt data is missed, it was demonstrated that should
The part being remotely-controlled is abnormal.
Can also be by a detection for part in secondary circuit, the detection data for obtaining, by detection data in treatment
When being compared analysis in device, error can be determined by the contact in the annexation of each test data, and work
Data are the data of which part, and the reason for failure by so finding remote control, such method can reduce the number of times of experiment,
Improve the efficiency of defects detection.
Detection process through the above way, by quickly finding defect point, improves the efficiency of defects detection.
Refer to Fig. 3, Fig. 3 be defects detection provided in an embodiment of the present invention method in the switch cubicle operation motor extracted out
Power line before safety detection flow chart；The safety monitoring includes：
Step s300, the control panel for opening switch cubicle, with the metal shell of the operating mechanism of electroscope detection switch cabinet
Whether induced electricity is had；
Wherein, because the shell of operating mechanism is metal, it is possible to cause shell band during switch cubicle works
Induced electricity is gone up；Else if induced electricity exceedes certain numerical value, the safety of operating personnel can be threatened.
Step s310, when the metal shell of the operating mechanism of the switch cubicle does not have induced electricity, by the metal shell
Ground connection.
Wherein, when it is determined that the metal shell of the operating mechanism of switch cubicle does not have induced electricity, by metal shell ground connection
Line is grounded, and prevents accident.
Based on above-mentioned technical proposal, the method for defects detection provided by the present invention, the method is external using testing of electric motors
Method so that the original operation motor of switch cubicle is failure to actuate and is not changed the division state of original switch cubicle, to testing of electric motors
With secondary circuit formed remote control circuit detected, will not so have a power failure during carrying out carrying out defect elimination to switch cubicle,
Remove auxiliary tone or arrange related power failure, plan by means of electricity, the work of defects detection is also improved by the detection method of remote control circuit
Make efficiency；And due to external motor with have remote control defect switch cubicle operation motor be the same motor, can so protect
The remote control circuit that card testing of electric motors is formed after accessing and loop before are the same, can so ensure the accurate of detection
Property, and the method only needs a testing of electric motors for intact same type compared with prior art, but be that of avoiding power failure, by means of electricity
The economic loss brought, therefore with very big economic benefit；The metal shell ground connection of operating mechanism in turn ensure that operating personnel
Safety.
The method of defects detection provided by the present invention, can carry out defects detection by the above method to switch cubicle.
The device to defects detection provided in an embodiment of the present invention is introduced below, the dress of defects detection described below
Putting can be mutually to should refer to the method for above-described defects detection.
Fig. 4 is refer to, Fig. 4 is the structured flowchart of the device of defects detection provided in an embodiment of the present invention；The device can be with
Including：Testing of electric motors 100, remote control equipment 200, testing equipment 300, wherein,
Testing of electric motors 100, the power line for the switch cubicle with remote control defect being operated motor is connected to survey after extracting out
On examination motor so that testing of electric motors is connected to form remote control circuit with secondary circuit；
Remote control equipment 200, for being remotely controlled operation to secondary circuit in switch cubicle；
Testing equipment 300, for judging that remote control circuit whether there is defect point.
Fig. 5 is refer to, Fig. 5 is the structured flowchart of testing equipment provided in an embodiment of the present invention；The testing equipment can be wrapped
Include：Detection part 310, processing component 320, wherein,
Detection part 310, the inspection for detecting each part of remote control circuit when the part is in different on off states
Survey numerical value；
Processing component 320, for the detection numerical value of each part of remote control circuit and predetermined value to be compared into analysis, sentences
Disconnected remote control circuit whether there is defect point.
Fig. 6 is refer to, Fig. 6 is the structured flowchart of processing component provided in an embodiment of the present invention；The processing component can be wrapped
Include：Comparator 321, determining device 322, wherein,
Comparator 321, for the detection numerical value of each part of remote control circuit and predetermined value to be compared into analysis；
Determining device 322, for judging that remote control circuit whether there is defect point.
Optionally, Fig. 7 is refer to, Fig. 7 is the structured flowchart of another processing component provided in an embodiment of the present invention；The treatment
Part can include：Comparator 321, determining device 322, display 323, wherein,
Comparator 321, for the detection numerical value of each part of remote control circuit and predetermined value to be compared into analysis；
Determining device 322, for judging that remote control circuit whether there is defect point.
Display 323, the result for showing final process part, when remote control circuit existing defects point, display
The position of defect point.
Optionally, the defect detecting device can also include electroscope, wherein, electroscope, for the behaviour of detection switch cabinet
Whether the metal shell for making mechanism has induced electricity.
Optionally, the device of the defects detection can also include ground wire, wherein, ground wire, for when the switch cubicle
The metal shell of operating mechanism when not having induced electricity, by metal shell ground connection.
A kind of defect elimination device provided by the present invention, the defect elimination device includes the device of above-mentioned defects detection.
Wherein, the defect elimination device can carry out defect elimination using the device of above-mentioned defects detection.
The device of defects detection provided by the present invention, can carry out defects detection by said apparatus to switch cubicle.
Each embodiment is described by the way of progressive in specification, and what each embodiment was stressed is and other realities
Apply the difference of example, between each embodiment identical similar portion mutually referring to.For device disclosed in embodiment
Speech, because it is corresponded to the method disclosed in Example, so description is fairly simple, related part is referring to method part illustration
.
Professional further appreciates that, with reference to the unit of each example of the embodiments described herein description
And algorithm steps, can be realized with electronic hardware, computer software or the combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software, generally describes the composition and step of each example according to function in the above description.These
Function is performed with hardware or software mode actually, depending on the application-specific and design constraint of technical scheme.Specialty
Technical staff can realize described function to each specific application using distinct methods, but this realization should not
Think beyond the scope of this invention.
The step of method or algorithm for being described with reference to the embodiments described herein, directly can be held with hardware, processor
Capable software module, or the two combination is implemented.Software module can be placed in random access memory (RAM), internal memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In field in known any other form of storage medium.
A kind of method and device of defects detection provided by the present invention is described in detail above.It is used herein
Specific case is set forth to principle of the invention and implementation method, and the explanation of above example is only intended to help and understands
The method of the present invention and its core concept.It should be pointed out that for those skilled in the art, not departing from this
On the premise of inventive principle, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls into the present invention
In scope of the claims.
Claims (8)
1. a kind of method of defects detection, it is characterised in that the method includes：
Extract the power line that the switch cubicle with remote control defect operates motor out, wherein, extract switch cubicle operation motor after power line out
State is constant；
The power line is connected on testing of electric motors, testing of electric motors is connected to form remote control circuit with secondary circuit, wherein, the survey
Examination motor is identical with switch cubicle operation motor；
Operation is remotely controlled to secondary circuit in switch cubicle, judges that remote control circuit whether there is defect point；
It is described that operation is remotely controlled to secondary circuit in switch cubicle, judge that remote control circuit includes with the presence or absence of defect point：
Multiple parts in switch cubicle perform following steps respectively：
Treat detection part to be remotely controlled, change the on off state of the part to be detected；
Detect the detection numerical value of each part of remote control circuit when the part to be detected is in different on off states；
The detection numerical value of each part according to remote control circuit is compared analysis with predetermined value, judges that remote control circuit whether there is
Defect point.
2. the method for defects detection as claimed in claim 1, it is characterised in that the extraction has the switch cubicle of remote control defect
Also include before the power line for operating motor：
The control panel of switch cubicle is opened, whether has induced electricity with the metal shell of the operating mechanism of electroscope detection switch cabinet；
When the metal shell of the operating mechanism of the switch cubicle does not have induced electricity, by metal shell ground connection.
3. a kind of device of defects detection, it is characterised in that the device includes：Testing of electric motors, remote control equipment, testing equipment, its
In,
Testing of electric motors, the power line for the switch cubicle with remote control defect being operated motor is connected to testing of electric motors after extracting out
On so that testing of electric motors is connected to form remote control circuit with secondary circuit；
Remote control equipment, for being remotely controlled operation to secondary circuit in switch cubicle；
Testing equipment, for judging that remote control circuit whether there is defect point；
The testing equipment includes：Detection part, processing component, wherein,
Detection part, the detection number for detecting each part of remote control circuit when part to be detected is in different on off states
Value；
Processing component, for the detection numerical value of each part of remote control circuit and predetermined value to be compared into analysis, judges remote control
Loop whether there is defect point.
4. the device of defects detection as claimed in claim 3, it is characterised in that the processing component includes：Comparator, judges
Device, wherein,
Comparator, for the detection numerical value of each part of remote control circuit and predetermined value to be compared into analysis；
Determining device, for judging that remote control circuit whether there is defect point.
5. the device of defects detection as claimed in claim 4, it is characterised in that the processing component also includes：Display, uses
In the result of display final process part, when remote control circuit existing defects point, the position of display defect point.
6. the device of defects detection as claimed in claim 3, it is characterised in that described device also includes：Electroscope, for examining
Whether the metal shell of the operating mechanism of slowdown monitoring switch cabinet has induced electricity.
7. the device of defects detection as claimed in claim 3, it is characterised in that described device also includes：Ground wire, for working as
When the metal shell of the operating mechanism of the switch cubicle does not have induced electricity, by metal shell ground connection.
8. a kind of defect elimination device, it is characterised in that the device including the defects detection described in any one of claim 3 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410645316.6A CN104316823B (en) | 2014-11-11 | 2014-11-11 | A kind of method and device of defects detection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410645316.6A CN104316823B (en) | 2014-11-11 | 2014-11-11 | A kind of method and device of defects detection |
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| Publication Number | Publication Date |
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| CN104316823A CN104316823A (en) | 2015-01-28 |
| CN104316823B true CN104316823B (en) | 2017-05-31 |
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| CN107064708B (en) * | 2016-12-28 | 2019-10-01 | 国网浙江省电力公司台州供电公司 | Control loop template self-diagnosis system for 10kV switchgear |
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