CN105137379B - Electric cable fitting fault simulation module and the analogue means using the module - Google Patents
Electric cable fitting fault simulation module and the analogue means using the module Download PDFInfo
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- CN105137379B CN105137379B CN201510636470.1A CN201510636470A CN105137379B CN 105137379 B CN105137379 B CN 105137379B CN 201510636470 A CN201510636470 A CN 201510636470A CN 105137379 B CN105137379 B CN 105137379B
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Abstract
The present invention relates to field of electrical equipment, more particularly to electric cable fitting fault simulation module and the analogue means using the module, the analogue means includes fault simulation module, power supply module and electrode module, the electrode module removably contacts connection with fault simulation module, the power supply module provides high tension voltage for the electrode module, and shelf depreciation is produced in the fault simulation module for making to contact with the electrode module.By setting fault simulation module simulation finished cable annex to be tested, can cable accessory most common failure defect be artificially set thereon, pass through electrode module dummycable annex binding post again, power supply module dummycable voltage, do not need professional and technical personnel to carry out the installation of cable accessory and cable body, use manpower and material resources sparingly, avoid the substantial amounts of wasting of resources, solve during existing partial discharge detecting system is tested using finished cable annex as trial target, the higher technical problem of cost.
Description
Technical field
The present invention relates to field of electrical equipment, more particularly to electric cable fitting fault simulation module and using the module
Analogue means.
Background technology
Power cable widely applies to Urban Underground power network, power station lead line, industrial and mining enterprises' inside power supply circuit
In, it is transmission and distribution electric energy that it, which is acted on,.With quickly propelling for urban electricity supply cable, in power circuit, power cable
Proportion just gradually increases.With the increase of power cable usage amount, for power cable and electric line and related match somebody with somebody
The usage amount of the electric cable fitting of electric installation connection is also being continuously increased therewith.According to statistics, more than 80% power cable accident
The quality problems of electric cable fitting as caused by the quality problems of electric cable fitting, mainly by its insulating materials,
The defects of being left during the position fabrication and installation such as semi-conductive layer, screen layer, core is caused, and these defects mainly include insulation
Bubbles impurity, semi-conductive layer tilting, screen layer failure, core burr etc. in layer incised wound, insulating barrier, drawbacks described above can be in cable
Trigger dendroid aging in annex insulating barrier, while come out with the morphologic appearance of shelf depreciation, these defects some using just
Phase is found, but the change with environment over time, and it is attached that the development of shelf depreciation eventually results in cable
The breakdown of part insulation, finally triggers cable fault, therefore, inspected periodically to cable accessory, judges whether that failure lacks
Fall into and be particularly important.
At present, the method for most common detection cable annex accident defect is to carry out Partial Discharge Detection to cable accessory,
Shelf depreciation whether there is by detection cable annex, and then judge that detected cable accessory whether there is accident defect, but
Be the partial discharge detecting system used at present detection sensitivity it is not high, analysis identification function is also and imperfection, it is impossible to logical
Cross Partial Discharge Detection judge detected cable accessory exist how the shelf depreciation of situation, and then clearly judge to exist how
Accident defect, so need to research and develop the partial discharge detecting system that a set of detection sensitivity is high, analysis identification function is perfect,
During the system research and development, local discharge signal caused by cable accessory known fault defect is detected, by adopting
The local discharge signal data collected are analyzed, and finally judge electricity by the related data of the discharge signal detected, analysis
Accident defect existing for cable fittings, because cable accessory species is various, existing defective form is different, size is different, by difference
Accident defect caused by local discharge signal also differ, so, during experiment, it is necessary to substantial amounts of cable accessory
Handled, make one of which defect known to detected cable accessory presence, so, it is necessary to substantial amounts of different size type
Number finished cable annex as trial target, it is necessary to technical professional carries out the installation of cable accessory and cable body, this
Substantial amounts of manpower and materials will be spent, cause the substantial amounts of wasting of resources.
In summary, need badly at present a kind of technical scheme solve during existing partial discharge detecting system experiment experiment into
The defects of this is higher.
The content of the invention
It is an object of the invention to solve the technology that experimentation cost is higher during existing partial discharge detecting system is tested
Problem, there is provided electric cable fitting fault simulation module and the analogue means using the module.
To achieve these goals, the technical scheme that the application uses for：
Electric cable fitting fault simulation module, including the simulation layer overlapping module formed successively by multiple layers of different materials
Body, accident defect more typical in cable accessory all can be artificially set on each layer simulation layer.By setting failure mould
Intending module replaces finished cable annex to be tested as laboratory sample, module body is arranged into sandwich construction, simulates electric power
The sandwich construction form of cable accessory, cost is relatively low, has saved experimentation cost.
As the preferred scheme of the application, the first metal layer that the simulation layer includes overlapping successively, the first half lead
Wire core, the interior semiconductive of body layer, intermediate insulating layer, the second semiconductor layer and second metal layer, respectively dummycable annex
Layer, main insulating layer, outer semiconducting layer and screen layer.By using by the multilayer simulation layer successively overlapping fault simulation module formed
Dummycable annex, the structure of strict dummycable annex, settable accident defect on each layer, when wherein on one layer
After setting a kind of accident defect to be detected, only need to change corresponding layer, and not have to integral replacing, further saved into
This.
As the preferred scheme of the application, the first metal layer and second metal layer are made by copper.By fault simulation mould
Two layers of metal level for being arranged to copper material of outermost of block, the structure of strict dummycable annex screen layer, makes test data more accurate
Really, be advantageous to experiment to carry out.
Disclosed herein as well is the analogue means using electric cable fitting fault simulation module, including fault simulation mould
Block, power supply module and electrode module, it is removably to connect between the electrode module and fault simulation module, the power supply mould
Block provides high tension voltage for the electrode module, and local put is produced in the fault simulation module for making to contact with the electrode module
Electricity.By setting fault simulation module simulation cable accessory, electrode module dummycable annex binding post is set, power supply is set
Module provides high tension voltage dummycable voltage, is tested using fault simulation module instead of finished cable annex, during experiment,
Power supply module applies high tension voltage on electrode module, will be also applied in the fault simulation module contacted with the electrode module
High tension voltage, it is arranged such, it is identical with finished cable annex operation principle, when existing defects failure in fault simulation module,
The local discharge signal as caused by the defect failure is will be able to detect that in fault simulation module, it is identical to reach finished cable annex
Function, it is not required that professional and technical personnel carries out the installation of cable accessory and cable body, uses manpower and material resources sparingly, and avoids big
The wasting of resources of amount, solve during existing partial discharge detecting system is tested using finished cable annex as trial target, examination
Test the higher technical problem of cost.
As the preferred scheme of the application, the electrode module includes metallic object and the insulation being coated on outside the metallic object
Layer, the metallic object are made by copper rod.By the way that electrode module to be arranged to the assembly of copper rod and insulating barrier, when fault simulation mould
When block contacts connection with electrode module, the copper rod of electrode module is in contact with the metal level of fault simulation module to be connected, during experiment,
The application high-field electrode on electrode module is only needed just to can reach the effect for applying high tension voltage to fault simulation module, assembling is more
Simply, it is only necessary to dismount fault simulation module, it is not necessary to which professional and technical personnel carries out the installation of cable accessory and cable body, section
About manpower.
As the preferred scheme of the application, the electrode module includes high-field electrode module and grounding electrode module, described
The clamping gap for clamping the fault simulation module, the folder are provided between high-field electrode module and grounding electrode module
Hold the height adjustable in gap.By setting high-field electrode module and grounding electrode module, fault simulation module is arranged at described
In height-adjustable clamping gap between high-field electrode module and grounding electrode module, adjustable for height clamping gap can fit
The fault simulation module of different-thickness is answered, makes the device scope of application wider, when applying high tension voltage in high-field electrode module,
Only need to detect whether that the shelf depreciation as caused by the accident defect in fault simulation module be present believes in grounding electrode module
Number, operation is simpler, has saved manpower, is advantageous to experiment and carries out.
As the preferred scheme of the application, in addition to support component, the high-field electrode module and grounding electrode module are equal
It is arranged in support component.By setting support component to be used to support high-field electrode module and grounding electrode module, can be easier to
Fault simulation module is installed between the high-field electrode module and grounding electrode module, make apparatus structure simple, be easy to
Operation.
As the preferred scheme of the application, the support component include base, with the vertically disposed backboard of the base and
The cantilever support plate being arranged on the backboard, the high-field electrode module run through the cantilever support plate, the grounding electrode
Module is fixed on base.High-field electrode module is fixed by cantilever support plate, grounding electrode is fixed on base, work
Making personnel only needs adjustment cantilever support plate to achieve that the clamping gap between high-field electrode module and grounding electrode module is high
The adjustment of degree, avoids staff from being influenceed by high tension voltage, ensures the safety of personnel, is advantageous to experiment and carries out.
As the preferred scheme of the application, the support component also includes the sliding seat being arranged on the backboard, described
Sliding seat can be slided along the backboard, and the cantilever support plate is arranged on the sliding seat.By setting sliding seat, by cantilever
Supporting plate is arranged on the sliding seat, and when sliding the sliding seat, the cantilever support plate moves accordingly, is fixed on institute
The high-field electrode module stated on cantilever support plate can also move accordingly, make the high-field electrode module and low-field electrode module it
Between clamping clearance height also change accordingly, the fault simulation module of different-thickness, simulation different size model can be set
Cable accessory, make device accommodation wider, clamping gap is adjusted by sliding seat, also makes test operation convenient.
As the preferred scheme of the application, regulation handle, the regulation handle and cunning are additionally provided with the support component
Dynamic seat is connected, and the regulation handle can drive sliding seat to be slided along backboard.By setting regulation handle, when need adjust high pressure
During gap between electrode module and grounding electrode module, it is only necessary to rotate regulation handle, operation is more convenient, is advantageous to failure mould
Intend the installation of module.
Compared with prior art, the beneficial effect of electric cable fitting fault simulation module of the invention is：Pass through setting
Fault simulation module replaces finished cable annex to be tested as laboratory sample, module body is arranged into sandwich construction, mould
Intend the sandwich construction form of electric cable fitting, accident defect more typical in cable accessory all can be artificially set on each layer,
Cost is relatively low, has saved experimentation cost.
The beneficial effect of analogue means of the present invention is：By setting fault simulation module simulation cable accessory, electricity is set
Pole module simulation cable accessory binding post, power supply module is set to provide high tension voltage dummycable voltage, using fault simulation
Module is tested instead of finished cable annex, and during experiment, power supply module applies high tension voltage on electrode module, with the electricity
High tension voltage will be also applied in the fault simulation module of pole module contact, will be arranged such, with finished cable annex operation principle
It is identical, when existing defects failure in fault simulation module, it will be able to detect that in fault simulation module and drawn by the defect failure
The local discharge signal risen, reaches finished cable annex identical function, it is not required that professional and technical personnel carries out cable accessory
With the installation of cable body, use manpower and material resources sparingly, avoid the substantial amounts of wasting of resources, solve existing partial discharge detecting system
Using finished cable annex as trial target, the higher technical problem of experimentation cost during experiment.
Brief description of the drawings
Fig. 1 is the structural representation of electric cable fitting fault simulation module；
Fig. 2 is the A-A cross-sectional views of electric cable fitting fault simulation module；
Fig. 3 is the structural representation of the analogue means using electric cable fitting fault simulation module described in embodiment 2.
Reference
1- electrode modules, 11- high-field electrode modules, 12- copper rods, 13- insulating barriers, 14- grounding electrode modules, 2- failure moulds
Plan module, 21- simulation layers, 22- the first metal layers, the semiconductor layers of 23- first, 24- intermediate insulating layers, the semiconductor layers of 25- second,
26- second metal layers, 3- support components, 31- regulation handles, 32- backboards, 33- sliding seats, 34- cantilever support plates, 35- bases.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with accompanying drawing and specific implementation
Example, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only explaining this hair
It is bright, it is not intended to limit the present invention.
Embodiment 1
As shown in accompanying drawing 1, accompanying drawing 2, electric cable fitting fault simulation module, including the simulation layer by multiple layers of different materials
The fault simulation module 2 of 21 overlapping compositions successively, all can artificially it set on each layer simulation layer 21 more normal in cable accessory
The accident defect seen, the simulation layer 21 include the first metal layer 22, the first semiconductor layer 23, centre that overlap successively absolutely
Edge layer 24, the second semiconductor layer 25 and second metal layer 26, the wire core of difference dummycable annex, interior semi-conductive layer, master
Insulating barrier, outer semiconducting layer and screen layer, wherein the first metal layer 22 and second metal layer 26 are made by copper, strict dummycable
The copper shield of annex.By setting fault simulation module 2 to be used as laboratory sample instead of finished cable annex, by fault simulation module
2 are arranged to sandwich construction, the strict sandwich construction form for simulating electric cable fitting, and settable failure lacks on each layer
Fall into, after a kind of one layer of upper accident defect of setting is detected wherein, only need to change corresponding layer, and do not have to integral replacing,
Cost is relatively low, has saved experimentation cost.
Embodiment 2
As shown in Figure 3, using the analogue means of electric cable fitting fault simulation module, including fault simulation module 2,
Power supply module and electrode module 1, it is removably to connect between the electrode module 1 and fault simulation module 2, the power supply mould
Block is that the electrode module 1 provides high tension voltage, is produced in the fault simulation module 2 for making to contact with the electrode module 1 local
Electric discharge.The electrode module 1 includes high-field electrode module 11 and grounding electrode module 14, and electrode module is by copper rod 12 and is coated on
Insulating barrier 13 outside the copper rod 12 forms, and is provided between the high-field electrode module 11 and grounding electrode module 14 for pressing from both sides
Hold the clamping gap of the fault simulation module 2.By setting the dummycable annex of fault simulation module 2, electrode module 1 is set
Dummycable annex binding post, power supply module is set to provide high tension voltage dummycable voltage, using the generation of fault simulation module 2
Tested for finished cable annex, during experiment, common cable accessory is set on the simulation layer 21 of fault simulation module 2 therefore
Hinder defect, fault simulation module 2 is arranged at the adjustable height between the high-field electrode module 11 and grounding electrode module 14
In the clamping gap of degree, power supply module applies high tension voltage on electrode module 1, the failure mould contacted with the electrode module 1
Intend also being applied in high tension voltage in module 2, it is only necessary to which detection is by the event in fault simulation module 2 in grounding electrode module 14
Local discharge signal caused by hindering defect, is arranged such, identical with finished cable annex operation principle, when fault simulation module 2
During middle existing defects failure, it will be able to detect that in the grounding electrode module 14 contacted with fault simulation module 2 by defect event
Local discharge signal caused by barrier, reach finished cable annex identical function, it is not required that professional and technical personnel carries out cable
The installation of annex and cable body, uses manpower and material resources sparingly, and avoids the substantial amounts of wasting of resources, solves existing Partial Discharge Detection
Using finished cable annex as trial target, the higher technical problem of experimentation cost during system test.
Preferably, the analogue means also includes support component 3, the high-field electrode module 11 and grounding electrode module 14
It may be contained within support component 3.The support component 3 includes base 35, backboard 32 vertically disposed with the base 35 and set
The cantilever support plate 34 being placed on the backboard 32, the high-field electrode module 11 runs through the cantilever support plate 34, described to connect
Ground electrode module 14 is fixed on base 35.The support component 3 also includes the sliding seat 33 being arranged on the backboard 32, institute
Stating sliding seat 33 can be slided along the backboard 32, and the cantilever support plate 34 is arranged on the sliding seat 33.When the slip
Seat 33 along backboard 32 slides when, the cantilever support plate 34 being arranged on sliding seat 33 moves accordingly, drive high-field electrode module
11 is corresponding mobile, realizes the adjustment that clearance height is clamped between high-field electrode module 11 and grounding electrode module 14, the branch
Regulation handle 31 is additionally provided with support component 3, the regulation handle 31 is connected with sliding seat 33, and the regulation handle 31 can band
Dynamic sliding seat 33 slides along backboard 32, and the fault simulation module 2 of different-thickness can be set, and the cable for simulating different size model is attached
Part, be advantageous to experiment and carry out, make device accommodation wider, clamping clearance height is adjusted by regulation handle 31, also makes experiment
It is easy to operate.
Above example only not limits technical scheme described in the invention to illustrate the present invention, although this explanation
Book is with reference to the above embodiments to present invention has been detailed description, but the present invention is not limited to above-mentioned specific embodiment party
Formula, thus it is any the present invention is modified or equivalent substitution, and the technical scheme of all spirit and scope for not departing from invention
And its improve, it all should cover in scope of the presently claimed invention.
Claims (9)
1. electric cable fitting fault simulation module, it is characterised in that overlapping successively including the simulation layer by multiple layers of different materials
The module body of composition, the accident defect in cable accessory, the simulation layer all can be artificially set on each layer simulation layer
Including the first metal layer, the first semiconductor layer, intermediate insulating layer, the second semiconductor layer and the second metal overlapped successively
Wire core, interior semi-conductive layer, main insulating layer, outer semiconducting layer and the screen layer of layer, respectively dummycable annex.
2. electric cable fitting fault simulation module as claimed in claim 1, it is characterised in that：The first metal layer and
Two metal levels are made by copper.
3. using the analogue means of electric cable fitting fault simulation module as claimed in claim 1 or 2, it is characterised in that
It is dismountable between the electrode module and fault simulation module including fault simulation module, power supply module and electrode module
Connection, the power supply module provide high tension voltage for the electrode module, make the fault simulation mould contacted with the electrode module
Shelf depreciation is produced on block.
4. analogue means as claimed in claim 3, it is characterised in that：The electrode module includes metallic object and is coated on described
Insulating barrier outside metallic object, the metallic object are copper rod.
5. analogue means as claimed in claim 4, it is characterised in that：The electrode module includes high-field electrode module and ground connection
Electrode module, the folder for clamping the fault simulation module is provided between the high-field electrode module and grounding electrode module
Hold gap, the height adjustable in the clamping gap.
6. analogue means as claimed in claim 5, it is characterised in that：Also include support component, the high-field electrode module and
Grounding electrode module may be contained within support component.
7. analogue means as claimed in claim 6, it is characterised in that：The support component includes base, hung down with the base
The backboard directly set and the cantilever support plate being arranged on the backboard, the high-field electrode module run through the cantilever support
Plate, the grounding electrode module are fixed on base.
8. analogue means as claimed in claim 7, it is characterised in that：The support component also includes being arranged on the backboard
Sliding seat, the sliding seat can be slided along the backboard, and the cantilever support plate is arranged on the sliding seat.
9. analogue means as claimed in claim 8, it is characterised in that：Regulation handle, institute are additionally provided with the support component
State regulation handle with sliding seat to be connected, the regulation handle can drive sliding seat to slide along backboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510636470.1A CN105137379B (en) | 2015-09-30 | 2015-09-30 | Electric cable fitting fault simulation module and the analogue means using the module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510636470.1A CN105137379B (en) | 2015-09-30 | 2015-09-30 | Electric cable fitting fault simulation module and the analogue means using the module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105137379A CN105137379A (en) | 2015-12-09 |
| CN105137379B true CN105137379B (en) | 2017-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510636470.1A Expired - Fee Related CN105137379B (en) | 2015-09-30 | 2015-09-30 | Electric cable fitting fault simulation module and the analogue means using the module |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111781535B (en) * | 2020-06-15 | 2022-05-10 | 广东电网有限责任公司 | Cable outer protective layer fault positioning training device and using method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104065020A (en) * | 2014-07-11 | 2014-09-24 | 国家电网公司 | Medium-voltage cable accessory defect model based on RTV coatings |
| CN104078876A (en) * | 2014-07-11 | 2014-10-01 | 国家电网公司 | Medium voltage cable and accessory defect treatment method based on RTV coatings |
| CN205038332U (en) * | 2015-09-30 | 2016-02-17 | 西南石油大学 | Power cable annex fault simulation module and adopt analogue means of this module |
-
2015
- 2015-09-30 CN CN201510636470.1A patent/CN105137379B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104065020A (en) * | 2014-07-11 | 2014-09-24 | 国家电网公司 | Medium-voltage cable accessory defect model based on RTV coatings |
| CN104078876A (en) * | 2014-07-11 | 2014-10-01 | 国家电网公司 | Medium voltage cable and accessory defect treatment method based on RTV coatings |
| CN205038332U (en) * | 2015-09-30 | 2016-02-17 | 西南石油大学 | Power cable annex fault simulation module and adopt analogue means of this module |
Non-Patent Citations (1)
| Title |
|---|
| 高压交联聚乙烯电缆附件局部放电特性分析;唐炬 等;《重庆大学学报》;20090531;第32卷(第5期);第528-534页，正文第1-3节，附图1-2 * |
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