CN203587745U - High voltage DC crosslinked polyethylene cable and cable accessory rubber member test device - Google Patents
High voltage DC crosslinked polyethylene cable and cable accessory rubber member test device Download PDFInfo
- Publication number
- CN203587745U CN203587745U CN201320743935.XU CN201320743935U CN203587745U CN 203587745 U CN203587745 U CN 203587745U CN 201320743935 U CN201320743935 U CN 201320743935U CN 203587745 U CN203587745 U CN 203587745U
- Authority
- CN
- China
- Prior art keywords
- test
- cable
- rubber parts
- metal shell
- rubber member
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 114
- 229920001971 elastomer Polymers 0.000 title claims abstract description 54
- 229920003020 cross-linked polyethylene Polymers 0.000 title claims abstract description 16
- 239000004703 cross-linked polyethylene Substances 0.000 title claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 34
- 229910052751 metal Inorganic materials 0.000 claims abstract description 34
- 239000004593 Epoxy Substances 0.000 claims abstract description 16
- 238000011056 performance test Methods 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract 3
- 239000012212 insulator Substances 0.000 claims description 13
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 8
- 239000010931 gold Substances 0.000 claims description 8
- 229910052737 gold Inorganic materials 0.000 claims description 8
- 239000011148 porous material Substances 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- 238000009413 insulation Methods 0.000 abstract description 5
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical group [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract 4
- 230000000694 effects Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Abstract
The utility model provides a high voltage DC crosslinked polyethylene cable and cable accessory rubber member test device. The device is characterized by comprising a DC high voltage lead wire part and a test part. The DC high voltage lead wire part is disposed at one side of the test part and provided with a lead wire body, a first metal housing, a conductive connecting metal tool and an epoxy insulation part, wherein the lead wire body, the first metal housing, the conductive connecting metal tool and the epoxy insulation part are connected with the test part. The test part comprises a test cable that is disposed at the spindle part packed by the first metal housing and a terminal rubber member that sleeves the test cable. The epoxy insulation part coats the outer surfaces of the test cable and the terminal rubber member. The test cable disposed at the left side of the terminal rubber member is further sleeved by a sealing rubber member and a test cable clamp. In an electric performance test, the test cable clamp, the sealing rubber member and a gas hole that is disposed on the first metal housing are combined to vacuumize the first metal housing and fill in N2 gas or SF6, a kind of insulation gas with the pressure of 0.2 to 0.7 Mpa, and then the electric performance test is carried out on a sample under test.
Description
Technical field
The utility model relates to the test unit of a kind of high-voltage direct-current cross-linked polyethylene cable and cable accessory rubber parts, the test unit of one ± 200kV and following different size high-voltage direct-current cross-linked polyethylene cable annex rubber parts and cable accessory rubber parts is particularly disclosed, for high-voltage direct-current cross-linked polyethylene cable after product approval and the check of cable accessory rubber parts, whether there is defect, avoid the interruption of service after on-the-spot installation.
Background technology
Current domestic high-voltage direct-current cross-linked polyethylene cable and cable accessory, all in emerging product, its key components all must be tested, and avoids the interruption of service after on-the-spot installation.
High-voltage direct-current cross-linked polyethylene cable and cable accessory according to domestic and international test requirement specification and requirement regulation, carry out 0.6U under alternating voltage
0(phase voltage) is lower measures shelf depreciation, and will carry out 0.8U
0, withstand voltage test in 30 minutes.Under DC voltage, carry out 1.85 U
0, 1 hour DC voltage withstand test.As shown in Figure 1, test can adopt formal terminal or water terminal with standard terminal 13, and the other end puts rubber parts 14 on the smooth cable insulation surface of handling well, loads onto pressure metal cylinder, also injects the N of dry 0.2～0. 7MPa after cylindrical shell is vacuumized
2gas or SF
6gas, applies regulation alternating voltage at place, standard terminal and tests, but prior art products cannot be carried out withstand voltage test under direct current.
Summary of the invention
The purpose of this utility model is in order to address the deficiencies of the prior art, realize same test unit, can carry out the electrical performance test of the lower high-voltage direct-current cross-linked polyethylene cable of different voltage (exchanging or direct current) and cable accessory rubber parts, design a kind of high-voltage direct-current cross-linked polyethylene cable and cable accessory rubber parts test unit, not only can check high voltage direct current cable and the annex of different size, different voltage form, and convenient disassembly, improved work efficiency.
The utility model is achieved in that a kind of high-voltage direct-current cross-linked polyethylene cable and cable accessory rubber parts test unit, it is characterized in that: described test unit comprises high direct voltage lead portion and part of detecting, described high direct voltage lead portion is positioned at test unit one side, containing leaded main body 1, the first metal shell 2 and conduction, be connected gold utensil 3, its homonymy also has epoxy insulator 4, and above-mentioned parts are connected with part of detecting respectively, part of detecting comprises the test cable 9 that the axis part that is packaged into by the first metal shell 2 is provided with and is enclosed within the terminal rubber parts 6 on test cable, epoxy insulator 4 is coated on the outside of test cable and terminal rubber parts, on the test cable in terminal rubber parts left side, also cover has caulking gum part 8 and test cable fixture 7, test cable fixture 7 and the first metal shell 2 right-hand members connect and compose seal, the first metal shell 2 upper surfaces are also provided with pore 5, during electrical performance test, by test cable fixture 7 and caulking gum part 8 and pore 5, the first metal shell 2 is vacuumized, and fill the N with 0.2～0.7Mpa
2gas or SF
6insulating gas.According to the test demand of different tests sample, to carried out the electrical performance test of sample by test agent.Test specimen comprises: high-voltage direct-current cross-linked polyethylene cable, direct current cables terminal rubber parts, direct current cables joint rubber parts.
The first metal shell 2 of described part of detecting and the second metal shell 11 identical by test agent, but installation site, left and right is contrary, the afterbody of two test cables joins, its joint outside seals with joint rubber parts 10, electrical performance test can complete simultaneously two identical or different by the electrical performance test of test agent, can complete the test of two test cables and cable accessory rubber parts simultaneously.Described test unit also comprises slave part, described slave part is a servicing unit with roller, high direct voltage lead portion and part of detecting entirety bearing are thereon, conveniently move left and right, described servicing unit is also provided with pneumatic element 12, by the pushing tow action of pneumatic element 12, facilitate tested direct current cables and terminal rubber parts 6 or joint rubber parts 10 to split rapidly.
The beneficial effects of the utility model are: the utility model has been realized in same test unit, carry out the product testing of multi-form voltage (exchange or direct current), can carry out to different types of direct current cables and cable accessory rubber parts the electrical performance test of product simultaneously.The utility model test unit, can under alternating voltage, test, also can under DC voltage, test, realized the economy of test, and due to the restriction of test site, the test direct current cables using in the utility model test, stripping length can shorten greatly, has realized the flexible performance of entirety.The utility model has adopted the comparatively insulating gas of environmental protection, has reduced as far as possible the greenhouse effect of atmospheric environment are polluted.
Accompanying drawing explanation
Fig. 1 is prior art high-voltage alternating crosslinked cable and rubber parts test schematic diagram.
Fig. 2 is the utility model structural representation.
In figure: 1, lead-in wire main body; 2, the first metal shell; 3, conduction connects gold utensil; 4, epoxy insulator; 5, pore;
6, terminal rubber parts; 7, test cable fixture; 8, caulking gum part; 9, DC experiment cable; 10, joint rubber parts; 11, the second metal shell; 12, pneumatic element; 13, standard cable; 14, terminal rubber parts; 15, test cable; I, high direct voltage lead portion; II, part of detecting; III, slave part.
Embodiment
With reference to the accompanying drawings 2, a kind of high-voltage direct-current cross-linked polyethylene cable of the utility model and cable accessory rubber parts test unit, be mainly divided into three parts high direct voltage lead portion I, part of detecting II and slave part III.
The utility model test unit comprises high direct voltage lead portion and part of detecting, the effect of high direct voltage lead portion I be by trial voltage introduce in proving installation by test agent.High direct voltage lead portion I is positioned at test unit one side, containing leaded main body 1, the first metal shell 2 and conduction, is connected gold utensil 3, and its homonymy also has epoxy insulator 4, and above-mentioned parts are connected with part of detecting respectively, part of detecting comprises the test cable 9 that the axis part that is packaged into by the first metal shell 2 is provided with and is enclosed within the terminal rubber parts 6 on test cable, epoxy insulator 4 is coated on the outside of test cable and terminal rubber parts, on the test cable in terminal rubber parts left side, also cover has caulking gum part 8 and test cable fixture 7, test cable fixture 7 and the first metal shell 2 right-hand members connect and compose seal, the first metal shell 2 upper surfaces are also provided with pore 5, during electrical performance test, by test cable fixture 7 and caulking gum part 8 and pore 5, the first metal shell 2 is vacuumized, and fill the N with 0.2～0. 7MPa
2gas or SF
6insulating gas, according to test needs, to being carried out electrical performance test by test agent.
The effect of part of detecting II of the present utility model is fast and convenient multi-form voltage, variety classes test specimen are tested, and by the second metal shell 11, epoxy insulator 4, conduction, connects gold utensil 3, test cable fixture 7, caulking gum part 8, tested cable 9 and tested sample composition.The termination of the test cable 9 at two ends, part of detecting left and right is respectively equipped with conduction and connects gold utensil 3.The first metal shell 2 of part of detecting and the second metal shell 11 identical by test agent, but installation site, left and right is contrary, the afterbody of two test cables joins, and its joint outside seals with joint rubber parts 10, and electrical performance test can complete the test of two test cables and cable accessory rubber parts simultaneously.
Test unit also comprises slave part III, and slave part III is a servicing unit with roller, and high direct voltage lead portion I and part of detecting II entirety bearing thereon, conveniently move left and right.Slave part III is also provided with pneumatic element 12, by the pushing tow action of pneumatic element 12, facilitates tested direct current cables and terminal rubber parts 6 or joint rubber parts 10 to split rapidly.
High direct voltage lead portion of the present utility model is without the high-voltage connection that uses long section cable as device, within high direct voltage lead portion is arranged on to silicone rubber composite bushing.When testing, only need will be installed in epoxy insulator 4 by the direct current cables 9 of test agent and cable accessory rubber parts 6, reinstall in the part of detecting II of test unit, just can carry out the electrical performance test of product.
The utility model can be when carrying out sample test, first metal shell 2, conduction are connected to gold utensil 3 and be connected with epoxy insulator 4, again the epoxy insulator of opposite side being connected to gold utensil with metal shell 11 and conduction is connected, then respectively vacuum suction processing is carried out in its inside, and be filled with the insulating gas of certain pressure.After this, by test cable fixture 7 and caulking gum part 8, will test tested cable and fix, and required test terminal rubber parts 6 will be installed on test cable according to relevant position, then within being installed on epoxy insulator.Afterwards to the processing of bleeding of epoxy insulator inner vacuum, and fill the insulating gas with certain pressure.If desired test joint rubber parts is tested, only middle test cable need be carried out to stripping pre-service, then joint rubber parts is installed on to tested cable center position, after this, the test that can test.If need, change different size rubber stress cone, only need, by test cable dismounting, the extraction of being fixed on test cable fixture, change different cross section test cable, and different size rubber parts is installed.Complete after AC voltage test, only direct current need introduced to the high-voltage connection of test unit, can carry out the DC voltage withstand test under DC voltage.
Claims (3)
1. a high-voltage direct-current cross-linked polyethylene cable and cable accessory rubber parts test unit, it is characterized in that: described test unit comprises high direct voltage lead portion and part of detecting, described high direct voltage lead portion is positioned at test unit one side, containing leaded main body (1), the first metal shell (2) and conduction, be connected gold utensil (3), its homonymy also has epoxy insulator (4), and above-mentioned parts are connected with part of detecting respectively, part of detecting comprises the test cable (9) that the axis part that is packaged into by the first metal shell (2) is provided with and is enclosed within the terminal rubber parts (6) on test cable, epoxy insulator (4) is coated on the outside of test cable and terminal rubber parts, on the test cable in terminal rubber parts left side, also cover has caulking gum part (8) and test cable fixture (7), test cable fixture (7) connects and composes seal with the first metal shell (2) right-hand member, the first metal shell (2) upper surface is also provided with pore (5), during electrical performance test, by test cable fixture (7) and caulking gum part (8) and pore (5), the first metal shell (2) is vacuumized, and fill the N with 0.2～0.7MPa
2gas or SF
6insulating gas, according to test needs, to being carried out electrical performance test by test agent.
2. according to the high-voltage direct-current cross-linked polyethylene cable described in claim 1 and cable accessory rubber parts test unit, it is characterized in that: first metal shell (2) of described part of detecting and the second metal shell (11) identical by test agent, but installation site, left and right is contrary, the afterbody of two test cables joins, its joint rubber parts (10) sealing for joint outside, electrical performance test completes the test of two test cables and cable accessory rubber parts simultaneously.
3. according to the high-voltage direct-current cross-linked polyethylene cable described in claim 1 or 2 and cable accessory rubber parts test unit, it is characterized in that: described test unit also comprises slave part, described slave part is a servicing unit with roller, high direct voltage lead portion and part of detecting entirety bearing are thereon, conveniently move left and right, described servicing unit is also provided with pneumatic element (12), by the pushing tow action of pneumatic element (12), facilitate tested direct current cables and terminal rubber parts (6) or joint rubber parts (10) to split rapidly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320743935.XU CN203587745U (en) | 2013-11-22 | 2013-11-22 | High voltage DC crosslinked polyethylene cable and cable accessory rubber member test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320743935.XU CN203587745U (en) | 2013-11-22 | 2013-11-22 | High voltage DC crosslinked polyethylene cable and cable accessory rubber member test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203587745U true CN203587745U (en) | 2014-05-07 |
Family
ID=50585645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320743935.XU Expired - Lifetime CN203587745U (en) | 2013-11-22 | 2013-11-22 | High voltage DC crosslinked polyethylene cable and cable accessory rubber member test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203587745U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104535910A (en) * | 2015-01-12 | 2015-04-22 | 国网上海市电力公司 | Integrated terminal device used for power cable step-by-step puncture test |
| CN114047404A (en) * | 2021-11-06 | 2022-02-15 | 无锡德刚精工机电设备有限公司 | Integrated test tool for high-voltage cable accessory intermediate joint and GIS |
-
2013
- 2013-11-22 CN CN201320743935.XU patent/CN203587745U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104535910A (en) * | 2015-01-12 | 2015-04-22 | 国网上海市电力公司 | Integrated terminal device used for power cable step-by-step puncture test |
| CN114047404A (en) * | 2021-11-06 | 2022-02-15 | 无锡德刚精工机电设备有限公司 | Integrated test tool for high-voltage cable accessory intermediate joint and GIS |
| CN114047404B (en) * | 2021-11-06 | 2023-12-22 | 无锡德刚精工机电设备有限公司 | High-voltage cable accessory intermediate head and GIS's integrated test fixture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140507 |
|
| CX01 | Expiry of patent term |