CN206193186U - Isolator mechanical breakdown diagnostic device - Google Patents
Isolator mechanical breakdown diagnostic device Download PDFInfo
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- CN206193186U CN206193186U CN201621274584.2U CN201621274584U CN206193186U CN 206193186 U CN206193186 U CN 206193186U CN 201621274584 U CN201621274584 U CN 201621274584U CN 206193186 U CN206193186 U CN 206193186U
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Abstract
The utility model discloses an isolator mechanical breakdown diagnostic device at data collection's in -process, presses the opening pushbutton of motor operating mechanism and switching knob respectively, through current sensor, angle sensor and strain sensor measuring current, corner and moment of torsion, generates the wave form by the waveform generation circuit according to measuring electric current, corner and moment of torsion, is based on by drawing the circuit again the wave form draws out peak value, extreme value, the peak value moment and the extreme value moment, and last comparison circuit will the peak value difference the extreme value difference the peak value constantly the difference with the comparison is carried out with the scope of predetermineeing to extreme value difference constantly, thereby judges whether the wave form is accurate wave form, if accurate wave form then continues to judge the wave form is any mechanical breakdown's wave form, confirm high voltage isolator's mechanical breakdown. Can be directly perceived high -efficiently diagnose high voltage isolator's mechanical breakdown, guarantee that high voltage isolator keeps good running state.
Description
Technical field
The utility model is related to electrical technology field, more particularly to a kind of disconnecting switch mechanical fault diagnosis device.
Background technology
High voltage isolator is important device for switching in power plant and converting station electric power system.It is high in power system
Pressure disconnecting switch consumption is usually 2~4 times of breaker consumption, is a kind of maximum high-tension switch gear of consumption.High_voltage isolation
Switch ensure that the safety of High-Voltage Electrical Appliances and device in service work, play isolation voltage, can also be used to carry out certain
The handover operation of a little circuits, to change the method for operation of system.Additionally, in the complete power distribution equipment of high pressure, high voltage isolator
It is commonly used for the high voltage control electrical equipment of voltage transformer, arrester and distribution house transformer and metering cabinet.High voltage isolator leads to
Often used cooperatively with breaker, when the method for operation or equipment interruption maintenance is switched, can high voltage isolator smooth operation
Directly influence the power supply reliability and security of system.
In recent years, the accident for being caused by high voltage isolator failure frequently occurs, and triggers large-area power-cuts, or even injure
The personal safety of operations staff, drastically influence the safe and stable operation of power system.Existing diagnosis high voltage isolator event
The method of barrier such as ultrasonic examination technology, vibroacoustics method, infrared heat detection etc., these methods are all examined for the failure of insulator
It is disconnected.The mechanical breakdown such as not in place for corrosion bite, stroke is more at present based on the precautionary measures and experience diagnosis.
However, the mechanical breakdown such as not in place for corrosion bite, stroke, there is stronger actual demand in engineering.At present
Diagnostic method can not be intuitively and effectively to high voltage isolator mechanical breakdown judge, it is impossible to ensure high voltage isolator
Keep good running status.When the mechanical breakdown of high voltage isolator is not found in time, it is also possible to cause large-scale
Accident.
Utility model content
The purpose of this utility model is to provide a kind of disconnecting switch mechanical fault diagnosis device, intuitively efficiently to high pressure
The mechanical breakdown of disconnecting switch is diagnosed, it is ensured that high voltage isolator keeps good running status.
According to embodiment of the present utility model, there is provided a kind of disconnecting switch mechanical fault diagnosis device, including：Insulation
Son, conductive arm, pull bar, electric operating mechanism, actuating bar, angular transducer, current sensor and strain transducer；The conduction
Arm is arranged on the insulator top；The insulator bottom is connected with the pull bar；The electric operating mechanism is provided with behaviour
Lever；The pull bar is connected with the actuating bar；The angular transducer is located at actuating bar top；The strain transducer
Positioned at the junction of the actuating bar and the electric operating mechanism；The current sensor is located at the electric operating mechanism
Side；Characterized in that, also including：
The angular transducer, the corner for measuring the actuating bar；
The strain transducer, the moment of torsion for measuring the actuating bar；
The current sensor, for the electric current of measurement motor；
The disconnecting switch mechanical fault diagnosis device, also includes：Processing unit；
The processing unit, including：
Waveform generating circuit, for the corner according to measurement, the moment of torsion and the electric current generation waveform；
Circuit is extracted, for according to the waveform extracting peak value, extreme value, peak value moment and extreme value moment；
Comparison circuit, for according to the peak value, the extreme value, the value at the peak value moment and the extreme value moment, and
It is compared with preset range；
Decision circuitry, for by the waveform comparison in the waveform and database, judging mechanical breakdown type.
Further, the processing unit also includes：
Collecting unit, for obtaining corner, the moment of torsion and the electric current described in three groups.
Further, the extraction circuit, be additionally operable to extract three groups described in peak value, the extreme value, the peak value moment with
The extreme value moment.
Further, the processing unit is additionally provided with shell；
The shell be provided with ＆ off switch, input channel selection key, signal analysis key, diagnostic system into key, selection key,
Import key, preserve key, back spacer, delete key and ESC Escape.
Further, processing unit also includes power circuit；The power circuit includes dc source and electric power connection line.
From above technical scheme, embodiment of the present utility model provides a kind of disconnecting switch mechanical fault diagnosis dress
Put, during gathered data, the opening button of electric operating mechanism and switch knob are pressed respectively, by current sense
Device, angular transducer and strain transducer measurement electric current, corner and moment of torsion, according to measured electric current, corner and moment of torsion by ripple
Shape generative circuit generates waveform, then when going out peak value, extreme value, peak value moment and extreme value according to the waveform extracting by extraction circuit
Carve, last comparison circuit is compared the peak value, the extreme value, the peak value moment and the extreme value moment and preset value
Compared with, so that judge whether the waveform is accurate waveform, if accurate waveform, then by the waveform ratio in the waveform and database
Compared with continuation judges the waveform that the waveform is any mechanical breakdown, further determines that the mechanical breakdown of high voltage isolator.Can
Diagnosed with the mechanical breakdown intuitively efficiently to high voltage isolator, it is ensured that high voltage isolator keeps good operation shape
State.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Needed for the accompanying drawing to be used be briefly described, it should be apparent that, drawings in the following description are only of the present utility model
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other accompanying drawings.
Fig. 1 is to be preferable to carry out a kind of disconnecting switch mechanical fault diagnosis apparatus structure schematic diagram for exemplifying according to one；
Fig. 2 is to be preferable to carry out a kind of disconnecting switch mechanical fault diagnosis apparatus structure block diagram for exemplifying according to one；
Fig. 3 is to be preferable to carry out the processing device structure diagram that exemplifies according to one.
Illustrate：
Wherein, 1- insulators；2- conductive arms；3- pull bars；4- electric operating mechanisms；5- actuating bars；6- angular transducers；7-
Current sensor；8- strain transducers；9- processing units；10- waveform generating circuits；11- extracts circuit；12- comparison circuits；
13- on ＆ off switches；14- input channel selection keies；15- signal analysis keys；16- diagnostic systems enter key；17- selection keies；18- is imported
Key；19- preserves key；20- back spacers；21- delete keys；22- ESC Escapes；23- display screens；24- decision circuitries；25- dc sources；
26- electric power connection lines.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clear, complete description, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
As depicted in figs. 1 and 2, the utility model embodiment provides a kind of disconnecting switch mechanical fault diagnosis device, including：
Insulator 1, conductive arm 2, pull bar 3, electric operating mechanism 4, actuating bar 5, angular transducer 6, current sensor 7 and strain sensing
Device 8；The conductive arm 2 is arranged on the top of the insulator 1；The bottom of the insulator 1 is connected with the pull bar 3；The motor
Operating mechanism 4 is provided with actuating bar 5；The pull bar 3 is connected with the actuating bar 5；The angular transducer 6 is located at the actuating
The top of bar 5；The strain transducer 8 is located at the junction of the actuating bar 5 and the electric operating mechanism 4；The electric current is passed
Sensor 7 is located at the side of the electric operating mechanism 4；The angular transducer 6, the corner for measuring the actuating bar 5；Institute
Strain transducer 8 is stated, the moment of torsion for measuring the actuating bar 5；The current sensor 7, for the electric current of measurement motor；Institute
Disconnecting switch mechanical fault diagnosis device is stated, is also included：Processing unit 9；The processing unit 9, including：Waveform generating circuit
10, for the corner according to measurement, the moment of torsion and the electric current generation waveform；Circuit 11 is extracted, for according to described
Waveform extracting peak value, extreme value, peak value moment and extreme value moment；Comparison circuit 12, for according to the peak value, the extreme value, institute
The value of peak value moment and the extreme value moment is stated, and is compared with preset range；Decision circuitry 24, for by the waveform with
Waveform comparison in database, judges mechanical breakdown type.Angular transducer 6 is, for detection angles, to turn toward a direction
When dynamic, counting can increase；When rotation direction changes, counting can reduce.Current sensor 7 is a kind of detection means, can be experienced
To the information of tested electric current, and the information experienced can will be detected, be for conversion into meet certain standard needs according to certain rules
The information output of electric signal or other required forms, will to meet the transmission of information, treatment, storage, display, record and control etc.
Ask.Strain transducer 8 is a kind of sensor based on the strain produced by measurement object receiving force deformation, and it is that one kind can be by machinery
The change strained on component is converted to the sensing element of resistance variations.
From above technical scheme, embodiment of the present utility model provides a kind of disconnecting switch mechanical fault diagnosis dress
Put, during gathered data, the opening button of electric operating mechanism 4 and switch knob are pressed respectively, passed by electric current
Sensor 7, angular transducer 6 and the measurement of strain transducer 8 electric current, corner and moment of torsion, according to measured electric current, corner and moment of torsion
Waveform is generated by waveform generating circuit 10, then by extraction circuit 11 according to the waveform extracting go out peak value, extreme value, peak value moment with
At the extreme value moment, last comparison circuit 12 is by the peak value, the extreme value, the peak value moment and the extreme value moment and preset value
It is compared, so that judge whether the waveform is accurate waveform, if accurate waveform, then by the waveform and database
Waveform comparison, continuation judges the waveform that the waveform is any mechanical breakdown, further determines that the machinery of high voltage isolator
Failure.Mechanical breakdown that can be intuitively efficiently to high voltage isolator is diagnosed, it is ensured that high voltage isolator keeps good
Running status.
Further, the processing unit 9 also includes：Collecting unit, for obtain three groups described in corner, the moment of torsion and
The electric current.Due to that when being measured to electric current, corner and moment of torsion, the accuracy of data cannot be illustrated only according to one group of data,
Influence of the error of measurement to measuring can not be excluded, so collecting unit needs to take multiple measurements corner, electric current and moment of torsion.
To measure as a example by three groups, according to three groups of corner generation actuating bar corner-time waveforms measured, according to three groups of electricity measured
Stream generation motor current waveform, the values generation strain torque waveforms according to three groups of moments of torsion measured, so as to default failure
Waveform is compared, and mechanical breakdown that can be more intuitively to high voltage isolator is diagnosed.
Further, as shown in figure 3, the processing unit 9 is provided with shell；The shell is provided with ＆ off switch 13, input
Channel selecting key 14, signal analysis key 15, diagnostic system enter key 16, selection key 17, import key 18, preserve key 19, back spacer
20th, delete key 21 and ESC Escape 22.On ＆ off switch 13 realizes the starting up of high voltage isolator mechanical fault diagnosis device, shutdown
And restart function；Input channel selection key 14 realizes the data function of the road collecting unit collection of intelligent selection three；Signal analysis key
15 realize carrying out the function that waveform is generated and extracts wave character amount to the data for gathering；Diagnostic system enters key 16 and realizes locating
The function that the data managed are analyzed and diagnose；Selection key 17 realizes the function of operation interface items selection；Import key 18 real
The function that existing data are imported；Preserve the function that key 19 realizes preserving data；Back spacer 20 realizes returning to the function of last time operation；Delete
The deletion function of file after realizing the source file of input and process except key 21；ESC Escape 22 realizes that exiting current operation interface returns to
The function of main interface.Function button carries out auxiliary operation for the mechanical fault diagnosis of high voltage isolator, is easy to operate fast
Victory, improves diagnosis speed, accelerates diagnosis efficiency.
Further, the processing unit 9 also includes power circuit；The power circuit includes dc source 25 and power supply
Connecting line 26.Dc source 25 is that angular transducer 6, current sensor 7 and strain transducer 8 provide dc source, and electricity
Source circuit is connected to external power source by electric power connection line 26.For the normal operation of disconnecting switch mechanical fault diagnosis device provides guarantor
Barrier, more effectively detects to mechanical breakdown.
From above technical scheme, embodiment of the present utility model provides a kind of disconnecting switch mechanical fault diagnosis dress
Put, during gathered data, the opening button of electric operating mechanism 4 and switch knob are pressed respectively, passed by electric current
The moment of torsion of the electric current, the corner of actuating bar and actuating bar of sensor 7, angular transducer 6 and the measurement motor of strain transducer 8, according to
Measured electric current, corner and moment of torsion by waveform generating circuit 10 generate motor current waveform, actuating bar corner-time waveform and
Strain torque waveform, then peak value, extreme value, peak value moment and extreme value moment are gone out according to the waveform extracting by extraction circuit 11, most
The peak value, the extreme value, the peak value moment and the extreme value moment and preset value, be compared by comparison circuit 12 afterwards, if
The peak value, the extreme value, the peak value moment and the value at the extreme value moment judge within a preset range, then the waveform as
Accurate waveform, if accurate waveform, by the waveform comparison in the waveform and database, continuation judges the waveform for any
The waveform of mechanical breakdown, further determines that the mechanical breakdown of high voltage isolator.Can intuitively efficiently to high voltage isolator
Mechanical breakdown diagnosed, it is ensured that high voltage isolator keeps good running status.
Those skilled in the art will readily occur to this practicality after considering specification and putting into practice utility model disclosed herein
Other new embodiments.The application is intended to any modification of the present utility model, purposes or adaptations, these
Modification, purposes or adaptations follow general principle of the present utility model and including undocumented skill of the utility model
Common knowledge or conventional techniques in art field.Description and embodiments be considered only as it is exemplary, it is of the present utility model
True scope and spirit are pointed out by following claim.
It should be appreciated that the utility model is not limited to the accurate knot for being described above and being shown in the drawings
Structure, and can without departing from the scope carry out various modifications and changes.Scope of the present utility model only will by appended right
Ask to limit.
Claims (5)
1. a kind of disconnecting switch mechanical fault diagnosis device, including：Insulator, conductive arm, pull bar, electric operating mechanism, actuating
Bar, angular transducer, current sensor and strain transducer；The conductive arm is arranged on the insulator top；The insulation
Sub- bottom is connected with the pull bar；The electric operating mechanism is provided with actuating bar；The pull bar is connected with the actuating bar；Institute
Angular transducer is stated positioned at actuating bar top；The strain transducer is located at the actuating bar and the electric operating mechanism
Junction；The current sensor is located at the side of the electric operating mechanism；Characterized in that, also including：
The angular transducer, the corner for measuring the actuating bar；
The strain transducer, the moment of torsion for measuring the actuating bar；
The current sensor, for the electric current of measurement motor；
The disconnecting switch mechanical fault diagnosis device, also includes：Processing unit；
The processing unit, including：
Waveform generating circuit, for the corner according to measurement, the moment of torsion and the electric current generation waveform；
Circuit is extracted, for according to the waveform extracting peak value, extreme value, peak value moment and extreme value moment；
Comparison circuit, with by the peak value, the extreme value, the value and preset range at the peak value moment and the extreme value moment
It is compared；
Decision circuitry, for by the waveform comparison in the waveform and database, judging mechanical breakdown type.
2. a kind of disconnecting switch mechanical fault diagnosis device according to claim 1, it is characterised in that the processing unit
Also include：
Collecting unit, for obtaining corner, the moment of torsion and the electric current described in three groups.
3. a kind of disconnecting switch mechanical fault diagnosis device according to claim 1, it is characterised in that the extraction electricity
Road, is additionally operable to extract described in three groups peak value, the extreme value, the peak value moment and the extreme value moment.
4. a kind of disconnecting switch mechanical fault diagnosis device according to claim 1, it is characterised in that the processing unit
It is additionally provided with shell；
The shell is provided with ＆ off switch, input channel selection key, signal analysis key, diagnostic system into key, selection key, importing
Key, preservation key, back spacer, delete key and ESC Escape.
5. a kind of disconnecting switch mechanical fault diagnosis device according to claim 1, it is characterised in that the processing unit
Also include power circuit；
The power circuit includes dc source and electric power connection line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621274584.2U CN206193186U (en) | 2016-11-24 | 2016-11-24 | Isolator mechanical breakdown diagnostic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621274584.2U CN206193186U (en) | 2016-11-24 | 2016-11-24 | Isolator mechanical breakdown diagnostic device |
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| Publication Number | Publication Date |
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| CN206193186U true CN206193186U (en) | 2017-05-24 |
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ID=58723904
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621274584.2U Active CN206193186U (en) | 2016-11-24 | 2016-11-24 | Isolator mechanical breakdown diagnostic device |
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| Country | Link |
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| CN (1) | CN206193186U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106546917A (en) * | 2016-11-24 | 2017-03-29 | 云南电网有限责任公司电力科学研究院 | A kind of disconnecting switch mechanical fault diagnosis device |
| CN110045276A (en) * | 2019-05-10 | 2019-07-23 | 国网上海市电力公司 | Disconnecting switch load characteristic detection system in a kind of GIS device |
| CN113189480A (en) * | 2021-04-22 | 2021-07-30 | 西安交通大学 | Fault diagnosis method and device in closing/opening process of isolating switch |
| CN113899482A (en) * | 2021-09-30 | 2022-01-07 | 国网江苏省电力有限公司检修分公司 | Isolating switch main shaft torque measuring sensor and jamming defect detection method |
-
2016
- 2016-11-24 CN CN201621274584.2U patent/CN206193186U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106546917A (en) * | 2016-11-24 | 2017-03-29 | 云南电网有限责任公司电力科学研究院 | A kind of disconnecting switch mechanical fault diagnosis device |
| CN110045276A (en) * | 2019-05-10 | 2019-07-23 | 国网上海市电力公司 | Disconnecting switch load characteristic detection system in a kind of GIS device |
| CN113189480A (en) * | 2021-04-22 | 2021-07-30 | 西安交通大学 | Fault diagnosis method and device in closing/opening process of isolating switch |
| CN113899482A (en) * | 2021-09-30 | 2022-01-07 | 国网江苏省电力有限公司检修分公司 | Isolating switch main shaft torque measuring sensor and jamming defect detection method |
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