CN205038332U - Power cable annex fault simulation module and adopt analogue means of this module - Google Patents
Power cable annex fault simulation module and adopt analogue means of this module Download PDFInfo
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- CN205038332U CN205038332U CN201520767270.5U CN201520767270U CN205038332U CN 205038332 U CN205038332 U CN 205038332U CN 201520767270 U CN201520767270 U CN 201520767270U CN 205038332 U CN205038332 U CN 205038332U
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Abstract
The utility model relates to the field of power equipment, in particular to power cable annex fault simulation module and adopt analogue means of this module, analogue means includes fault simulation module, power module and electrode module, electrode module is connected with the contact of fault simulation module detachable, power module does electrode module provides the high tension voltage, make with produce partial discharge in the fault simulation module of electrode module contact. Test through device fault analog module simulation finished cable annex, can artificially set up the cable accessories common fault defect above that, cable accessories binding post is simulated to the through the electrode module again, power module dummycable voltage, do not need the professional skill personnel to carry out the installation of cable accessories and cable body, time saving and manpower and physical resource saving, a large amount of wastings of resources has been avoided, solve current partial discharge detector systematic testing in -process and regarded the finished cable annex as experimental article, the higher technical problem of cost.
Description
Technical field
The utility model relates to field of electrical equipment, particularly a kind of electric cable fitting fault simulation module and adopt the analogue means of this module.
Background technology
Power cable applies in Urban Underground electrical network, power house lead line, industrial and mining enterprises' inside power supply circuit widely, and its effect is transmission and distributes electric energy.Along with the quick propelling of urban electricity supply cable, in power circuit, power cable proportion increases just gradually.Along with the increase of power cable use amount, the use amount of the electric cable fitting connected to electric line and relevant power distribution equipment for power cable is also constantly increasing thereupon.According to statistics, the power cable accident of more than 80% is caused by the quality problems of electric cable fitting, the quality problems of electric cable fitting, mainly by its insulating material, semi-conductive layer, screen layer, caused by the defect left in the position fabrication and installation processes such as core, these defects mainly comprise insulation course incised wound, bubbles impurity in insulation course, semi-conductive layer tilts, screen layer lost efficacy, core burr etc., it is aging that above-mentioned defect can cause dendroid in cable accessory insulation course, out with the morphologic appearance of shelf depreciation simultaneously, these defects some be not found at the use initial stage, but As time goes on the change of environment, what the development of shelf depreciation finally can cause cable accessory to insulate punctures, final initiation cable fault, therefore, cable accessory is made regular check on, judge whether that there is accident defect seems particularly important.
At present, the method of modal detection streamer annex accident defect carries out Partial Discharge Detection to cable accessory, whether shelf depreciation is there is by detection streamer annex, and then judge whether detected cable accessory exists accident defect, but, the detection sensitivity of the partial discharge detecting system of current employing is not high, analyze recognition function also and imperfection, do not judge that detected cable accessory exists the shelf depreciation of how situation by Partial Discharge Detection, and then clearly judge to there is what kind of accident defect, so it is high to need to research and develop a set of detection sensitivity, analyze the partial discharge detecting system that recognition function is perfect, in the process of this system research and development, the local discharge signal that cable accessory known fault defect produces is detected, by to the local discharge signal data analysis collected, finally by the related data of the discharge signal detected, analyze and judge the accident defect that cable accessory exists, because cable accessory is of a great variety, the defective form existed is different, size is different, local discharge signal caused by different accident defects is not identical yet, so, in process of the test, need to process a large amount of cable accessories, the cable accessory be detected is made to there is known wherein a kind of defect, so, just need the finished cable annex of a large amount of different size models as trial target, technical professional is needed to carry out the installation of cable accessory and cable body, this is by manpower and materials a large amount of for cost, cause a large amount of wastings of resources.
In sum, need a kind of technical scheme at present badly and solve the defect that in existing partial discharge detecting system process of the test, experimentation cost is higher.
Utility model content
The purpose of this utility model is to solve the technical matters that in existing partial discharge detecting system process of the test, experimentation cost is higher, provides a kind of electric cable fitting fault simulation module and adopts the analogue means of this module.
To achieve these goals, the technical scheme that the application adopts is:
A kind of electric cable fitting fault simulation module, comprise by the simulation layer of the multiple layers of different materials successively overlapping module body formed, described simulation layer comprises the first metal layer, the first semiconductor layer, intermediate insulating layer, the second semiconductor layer and the second metal level that overlap successively, the wire core of difference dummycable annex, interior semi-conductive layer, main insulating layer, outer semiconducting layer and screen layer, every one deck simulation layer all can artificially arrange accident defect more common in cable accessory.Replace finished cable annex as laboratory sample by arranging fault simulation module, test, module body is set to sandwich construction, the sandwich construction form of simulation electric cable fitting, all can arrange accident defect on each layer, when one deck wherein being arranged after a kind of accident defect detects, only need change corresponding layer, and without integral replacing, cost is lower, save experimentation cost.
As the preferred version of the application, described the first metal layer and the second metal level are obtained by copper.By two-layer for the outermost of the fault simulation module metal level being set to copper material, the structure of strict dummycable annex screen layer, makes test figure more accurate, is conducive to test and carries out.
Disclosed herein as well is a kind of analogue means adopting electric cable fitting fault simulation module, comprise fault simulation module, supply module and electrode module, be connected for dismountable between described electrode module with fault simulation module, described supply module provides high tension voltage for described electrode module, makes the fault simulation module that contacts with described electrode module produces shelf depreciation.By arranging fault simulation module simulation cable accessory, electrode module dummycable annex connection terminal is set, supply module is set high tension voltage dummycable voltage is provided, fault simulation module is adopted to replace finished cable annex to test, during test, supply module applies high tension voltage on electrode module, the fault simulation module contacted with described electrode module also will be applied in high tension voltage, setting like this, identical with finished cable operate accessories principle, when in fault simulation module during existing defects fault, fault simulation module can detect the local discharge signal caused by this defect fault, reach the function that finished cable annex is identical, professional and technical personnel is not needed to carry out the installation of cable accessory and cable body yet, use manpower and material resources sparingly, avoid a large amount of wastings of resources, to solve finished cable annex in existing partial discharge detecting system process of the test as trial target, the technical matters that experimentation cost is higher.
As the preferred version of the application, described electrode module comprises metallic object and is coated on the insulation course outside described metallic object, and described metallic object is obtained by copper rod.By electrode module being set to the assembly of copper rod and insulation course, when fault simulation module to contact with electrode module connect time, the copper rod of electrode module contacts with the metal level of fault simulation module and is connected, during test, only need on electrode module, apply high-field electrode and just can reach effect fault simulation module being applied to high tension voltage, assembling is simpler, only needs dismounting fault simulation module, do not need professional and technical personnel to carry out the installation of cable accessory and cable body, save manpower.
As the preferred version of the application, described electrode module comprises high-field electrode module and ground-electrode module, the clamping gap for clamping described fault simulation module is provided with, the height adjustable in described clamping gap between described high-field electrode module and ground-electrode module.By arranging high-field electrode module and ground-electrode module, by in the height-adjustable clamping gap of fault simulation module installation between described high-field electrode module and ground-electrode module, adjustable for height clamping gap can adapt to the fault simulation module of different-thickness, make the device scope of application wider, when applying high tension voltage in high-field electrode module, only need in ground-electrode module, detect the local discharge signal whether existing and caused by the accident defect in fault simulation module, operate simpler, save manpower, be conducive to test and carry out.
As the preferred version of the application, also comprise supporting component, described high-field electrode module and ground-electrode module are all arranged on supporting component.By arranging supporting component for supporting high-field electrode module and ground-electrode module, easier fault simulation module can be installed between described high-field electrode module and ground-electrode module, make apparatus structure simple, being easy to operation.
As the preferred version of the application, described supporting component comprise base, with the vertically disposed backboard of described base and the cantilever support plate that is arranged on described backboard, described high-field electrode module runs through described cantilever support plate, and described ground-electrode module is fixed on base.High-field electrode module is fixed by cantilever support plate, ground-electrode is fixed on base, staff only needs to adjust the adjustment that cantilever support plate just can realize the clamping clearance height between high-field electrode module and ground-electrode module, staff is avoided to be subject to the impact of high tension voltage, the safety of guarantee personnel, is conducive to test and carries out.
As the preferred version of the application, described supporting component also comprises the sliding seat be arranged on described backboard, and described sliding seat can slide along described backboard, and described cantilever support plate is arranged on described sliding seat.By arranging sliding seat, cantilever support plate is arranged on described sliding seat, when the described sliding seat of slip, the movement accordingly of described cantilever support plate, being fixed on high-field electrode module on described cantilever support plate also can movement accordingly, clamping clearance height between described high-field electrode module and low-field electrode module is also changed accordingly, the fault simulation module of different-thickness can be set, the cable accessory of simulation different size model, make device accommodation wider, regulate clamping gap by sliding seat, also make test operation convenient.
As the preferred version of the application, described supporting component is also provided with adjusting handle, described adjusting handle is connected with sliding seat, and described adjusting handle can drive sliding seat to slide along backboard.By arranging adjusting handle, when needing to regulate the gap between high-field electrode module and ground-electrode module, only needing to rotate adjusting handle, operating more convenient, be conducive to the installation of fault simulation module.
Compared with prior art, the beneficial effect of electric cable fitting fault simulation module of the present utility model is: replace finished cable annex as laboratory sample by arranging fault simulation module, test, module body is set to sandwich construction, the sandwich construction form of simulation electric cable fitting, every one deck all can artificially arrange accident defect more common in cable accessory, and cost is lower, has saved experimentation cost.
The beneficial effect of analogue means of the present utility model is: by arranging fault simulation module simulation cable accessory, electrode module dummycable annex connection terminal is set, supply module is set high tension voltage dummycable voltage is provided, fault simulation module is adopted to replace finished cable annex to test, during test, supply module applies high tension voltage on electrode module, the fault simulation module contacted with described electrode module also will be applied in high tension voltage, setting like this, identical with finished cable operate accessories principle, when in fault simulation module during existing defects fault, fault simulation module can detect the local discharge signal caused by this defect fault, reach the function that finished cable annex is identical, professional and technical personnel is not needed to carry out the installation of cable accessory and cable body yet, use manpower and material resources sparingly, avoid a large amount of wastings of resources, to solve finished cable annex in existing partial discharge detecting system process of the test as trial target, the technical matters that experimentation cost is higher.
Accompanying drawing explanation
Fig. 1 is the structural representation of electric cable fitting fault simulation module;
Fig. 2 is the A-A cross-sectional view of electric cable fitting fault simulation module;
Fig. 3 is the structural representation of the analogue means of employing electric cable fitting fault simulation module described in embodiment 2.
Reference numeral
1-electrode module, 11-high-field electrode module, 12-copper rod, 13-insulation course, 14-ground-electrode module, 2-fault simulation module, 21-simulation layer, 22-the first metal layer, 23-first semiconductor layer, 24-intermediate insulating layer, 25-second semiconductor layer, 26-second metal level, 3-supporting component, 31-adjusting handle, 32-backboard, 33-sliding seat, 34-cantilever support plate, 35-base.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and the specific embodiments, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment 1
As accompanying drawing 1, shown in accompanying drawing 2, a kind of electric cable fitting fault simulation module, comprise by the simulation layer 21 of the multiple layers of different materials successively overlapping fault simulation module 2 formed, simulation layer 21 described in every one deck all can artificially arrange accident defect more common in cable accessory, described simulation layer 21 comprises the first metal layer 22 overlapped successively, first semiconductor layer 23, intermediate insulating layer 24, second semiconductor layer 25 and the second metal level 26, the wire core of dummycable annex respectively, interior semi-conductive layer, main insulating layer, outer semiconducting layer and screen layer, wherein the first metal layer 22 and the second metal level 26 are obtained by copper, the copper shield of strict dummycable annex.Replace finished cable annex as laboratory sample by arranging fault simulation module 2, fault simulation module 2 is set to sandwich construction, the sandwich construction form of strict simulation electric cable fitting, all can accident defect be set on each layer, when one deck wherein being arranged after a kind of accident defect detects, only corresponding layer need be changed, and without integral replacing, cost is lower, has saved experimentation cost.
Embodiment 2
As shown in Figure 3, adopt the analogue means of electric cable fitting fault simulation module, comprise fault simulation module 2, supply module and electrode module 1, described electrode module 1 is connected for dismountable with between fault simulation module 2, described supply module provides high tension voltage for described electrode module 1, makes the fault simulation module 2 that contacts with described electrode module 1 produces shelf depreciation.Described electrode module 1 comprises high-field electrode module 11 and ground-electrode module 14, electrode module is made up of copper rod 12 and the insulation course 13 be coated on outside described copper rod 12, is provided with the clamping gap for clamping described fault simulation module 2 between described high-field electrode module 11 and ground-electrode module 14.By arranging fault simulation module 2 dummycable annex, electrode module 1 dummycable annex connection terminal is set, supply module is set high tension voltage dummycable voltage is provided, fault simulation module 2 is adopted to replace finished cable annex to test, during test, the simulation layer 21 of fault simulation module 2 arranges common cable accessory accident defect, fault simulation module 2 is arranged in the height-adjustable clamping gap between described high-field electrode module 11 and ground-electrode module 14, supply module applies high tension voltage on electrode module 1, the fault simulation module 2 contacted with described electrode module 1 also will be applied in high tension voltage, only need in ground-electrode module 14, detect the local discharge signal caused by the accident defect in fault simulation module 2, setting like this, identical with finished cable operate accessories principle, when in fault simulation module 2 during existing defects fault, the ground-electrode module 14 contacted with fault simulation module 2 can detect the local discharge signal caused by this defect fault, reach the function that finished cable annex is identical, professional and technical personnel is not needed to carry out the installation of cable accessory and cable body yet, use manpower and material resources sparingly, avoid a large amount of wastings of resources, to solve finished cable annex in existing partial discharge detecting system process of the test as trial target, the technical matters that experimentation cost is higher.
Preferably, described analogue means also comprises supporting component 3, and described high-field electrode module 11 and ground-electrode module 14 are all arranged on supporting component 3.Described supporting component 3 comprise base 35, with the vertically disposed backboard of described base 35 32 and the cantilever support plate 34 that is arranged on described backboard 32, described high-field electrode module 11 runs through described cantilever support plate 34, and described ground-electrode module 14 is fixed on base 35.Described supporting component 3 also comprises the sliding seat 33 be arranged on described backboard 32, and described sliding seat 33 can slide along described backboard 32, and described cantilever support plate 34 is arranged on described sliding seat 33.When described sliding seat 33 slides along backboard 32, be arranged at cantilever support plate 34 movement accordingly on sliding seat 33, energizes high-pressure electrode module 11 movement accordingly, realize the adjustment clamping clearance height between high-field electrode module 11 and ground-electrode module 14, described supporting component 3 is also provided with adjusting handle 31, described adjusting handle 31 is connected with sliding seat 33, described adjusting handle 31 can drive sliding seat 33 to slide along backboard 32, the fault simulation module 2 of different-thickness can be set, the cable accessory of simulation different size model, be conducive to test to carry out, make device accommodation wider, clamping clearance height is regulated by adjusting handle 31, also make test operation convenient.
Above embodiment only in order to the utility model is described and and technical scheme described by unrestricted the utility model, although this instructions has been described in detail the utility model with reference to the above embodiments, but the utility model is not limited to above-mentioned embodiment, therefore anyly the utility model is modified or equivalent to replace, and all do not depart from technical scheme and the improvement thereof of the spirit and scope of utility model, it all should be encompassed in right of the present utility model.
Claims (9)
1. an electric cable fitting fault simulation module, it is characterized in that, comprise by the simulation layer of the multiple layers of different materials successively overlapping module body formed, described simulation layer comprises the first metal layer, the first semiconductor layer, intermediate insulating layer, the second semiconductor layer and the second metal level that overlap successively, the wire core of difference dummycable annex, interior semi-conductive layer, main insulating layer, outer semiconducting layer and screen layer, every one deck simulation layer all can artificially arrange accident defect more common in cable accessory.
2. electric cable fitting fault simulation module as claimed in claim 1, is characterized in that: described the first metal layer and the second metal level are obtained by copper.
3. adopt the analogue means of electric cable fitting fault simulation module as claimed in claim 1 or 2, it is characterized in that, comprise fault simulation module, supply module and electrode module, be connected for dismountable between described electrode module with fault simulation module, described supply module provides high tension voltage for described electrode module, makes the fault simulation module that contacts with described electrode module produces shelf depreciation.
4. analogue means as claimed in claim 3, is characterized in that: described electrode module comprises metallic object and is coated on the insulation course outside described metallic object, and described metallic object is obtained by copper rod.
5. analogue means as claimed in claim 4, it is characterized in that: described electrode module comprises high-field electrode module and ground-electrode module, the clamping gap for clamping described fault simulation module is provided with, the height adjustable in described clamping gap between described high-field electrode module and ground-electrode module.
6. analogue means as claimed in claim 5, it is characterized in that: also comprise supporting component, described high-field electrode module and ground-electrode module are all arranged on supporting component.
7. analogue means as claimed in claim 6, it is characterized in that: described supporting component comprise base, with the vertically disposed backboard of described base and the cantilever support plate that is arranged on described backboard, described high-field electrode module runs through described cantilever support plate, and described ground-electrode module is fixed on base.
8. analogue means as claimed in claim 7, it is characterized in that: described supporting component also comprises the sliding seat be arranged on described backboard, described sliding seat can slide along described backboard, and described cantilever support plate is arranged on described sliding seat.
9. analogue means as claimed in claim 8, it is characterized in that: described supporting component is also provided with adjusting handle, described adjusting handle is connected with sliding seat, and described adjusting handle can drive sliding seat to slide along backboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520767270.5U CN205038332U (en) | 2015-09-30 | 2015-09-30 | Power cable annex fault simulation module and adopt analogue means of this module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520767270.5U CN205038332U (en) | 2015-09-30 | 2015-09-30 | Power cable annex fault simulation module and adopt analogue means of this module |
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| Publication Number | Publication Date |
|---|---|
| CN205038332U true CN205038332U (en) | 2016-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520767270.5U Withdrawn - After Issue CN205038332U (en) | 2015-09-30 | 2015-09-30 | Power cable annex fault simulation module and adopt analogue means of this module |
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| CN (1) | CN205038332U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105137379A (en) * | 2015-09-30 | 2015-12-09 | 西南石油大学 | Power cable accessory fault simulation module and simulation apparatus with the same |
-
2015
- 2015-09-30 CN CN201520767270.5U patent/CN205038332U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105137379A (en) * | 2015-09-30 | 2015-12-09 | 西南石油大学 | Power cable accessory fault simulation module and simulation apparatus with the same |
| CN105137379B (en) * | 2015-09-30 | 2017-12-08 | 西南石油大学 | Electric cable fitting fault simulation module and the analogue means using the module |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160217 Effective date of abandoning: 20171208 |