CN209267144U - A kind of high-tension cable straight coupling structure - Google Patents
A kind of high-tension cable straight coupling structure Download PDFInfo
- Publication number
- CN209267144U CN209267144U CN201821430188.3U CN201821430188U CN209267144U CN 209267144 U CN209267144 U CN 209267144U CN 201821430188 U CN201821430188 U CN 201821430188U CN 209267144 U CN209267144 U CN 209267144U
- Authority
- CN
- China
- Prior art keywords
- protective case
- vhf
- partial discharge
- high frequency
- dead ring
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of high-tension cable straight coupling structures, comprising: can be adapted to the very high frequency(VHF) partial discharge sensing device being fastened on the first protective case or the second protective case, very high frequency(VHF) partial discharge sensing device includes: dead ring；It is placed in the very high frequency(VHF) partial discharge sensor being linked together inside dead ring with dead ring, the binding post of very high frequency(VHF) partial discharge sensor is emerging in the outside of dead ring；The locating part that dead ring can be fixed on together with binding post limit on dress coordination region；Very high frequency(VHF) partial discharge sensing device is assembled on the first protective case or the second protective case by locating part, binding post is connected on adapter component by the first protective case and the assembly docking of the second protective case, external to carry out signal.Implement the high-tension cable straight coupling structure of the utility model, being able to solve very high frequency(VHF) Partial discharge signal long range propagation attenuation causes can't detect, and leads to not the problem of finding high-voltage cable insulating internal defect of joint in time；Structure arrangement is more compact, is conducive to maintenance, maintenance and control cost.
Description
Technical field
The use of the new type is related to appliances field more particularly to a kind of high-tension cable straight coupling structure.
Background technique
In the prior art, shelf depreciation parameter is one of the important indicator of high-voltage cable insulating joint health.Using
When very high frequency(VHF) method carries out partial discharge detection, since very high frequency(VHF) Partial discharge signal is weaker, signal propagation attenuation increases with distance and significantly increases
Add, meanwhile, Partial discharge signal inside high-voltage cable insulating connector issues from inside and reaches exterior space, needs guiding through same net shielded layer
And insulating materials, signal strength are weakened；In addition, using back-up sand plus preventing when high-voltage cable insulating connector is laid in channel
Therefore the protection of protecting cover plate will detect small very high frequency(VHF) partial discharge letter outside actual cable run high-voltage cable insulating connector
It is number highly difficult.For this purpose, very high frequency(VHF) Partial discharge signal inside high-voltage cable insulating connector how is found earlier, so that discovery lacks early
It falls into, is one of high-voltage cable insulating connector field problem to be solved.
Utility model content
The use of the new type technical problem to be solved is, provides a kind of high-tension cable straight coupling structure, can solve
Certainly very high frequency(VHF) Partial discharge signal long range propagation attenuation causes can't detect, and leads to not find in high-voltage cable insulating connector in time
The problem of portion's defect；Structure arrangement is more compact, is conducive to maintenance, maintenance and control cost.
In order to solve the above-mentioned technical problem, the embodiment of the use of the new type provides a kind of high-tension cable straight coupling knot
Structure, comprising: the first protective shell；Removably it is adapted to the second protective shell being connected on the first protective shell, the first protective shell and
The chamber that there is current supply cable to pass through for the inside of two protection shell phase assembly；Can be socketed in respectively on chamber interior cable first protects
Sheath and the second protective case, the first protective case and the second protective case assembly be linked together and can be split, the first protective case and/
Or second protective case be equipped with assembly position；The very high frequency(VHF) partial discharge being fastened on inside the first protective case or the second protective case can be adapted to
Sensing device, very high frequency(VHF) partial discharge sensing device includes: dead ring；It is placed in the very high frequency(VHF) being linked together inside dead ring with dead ring
The binding post of partial discharge sensor, very high frequency(VHF) partial discharge sensor is emerging in the outside of dead ring；It can be by dead ring together with binding post
Limit is fixed on the locating part on dress coordination region, and very high frequency(VHF) partial discharge sensor includes two semicircular ring structural members, binding post point
It is not located at the end of two semicircular ring structural members；The adapter component being installed on the second protective shell, in which: will by locating part
Very high frequency(VHF) partial discharge sensing device is assemblied on the first protective case or the second protective case, the first protective case and the assembly pair of the second protective case
It connects, binding post is connected on adapter component, it is external to carry out signal.
Wherein, very high frequency(VHF) partial discharge sensor and dead ring are integrally non-dismountable.
Wherein, the annulus of dead ring is flat ring, and dead ring is equipped with groove.
Wherein, assembly position is that can fasten locating part in a through hole wherein.
Wherein, the end of the first protective shell and the second protection shell phase assembly is additionally provided with water-proof seal adhesive tape.
Implement the high-tension cable straight coupling structure of the use of the new type, have it is following the utility model has the advantages that
The first, very high frequency(VHF) partial discharge sensing device is built in the first protective case or the second protection of high-voltage cable insulating connector
The inside of set, solving very high frequency(VHF) Partial discharge signal long range propagation attenuation causes can't detect, and leads to not find high-voltage electricity in time
The problem of cable insulating joint internal flaw；Small partial discharge defect, and carry out defect elimination early can be found early, effectively
It avoids high voltage insulation joint from causing failure because of the expansion of partial discharge defect, is that the safe and reliable operation of Voltage Cable Lines Construction is strong
Technical guarantee.
The second, structure design is more simplified, and arrangement is more compact, is conducive to maintenance, maintenance and control cost.
Detailed description of the invention
It, below will be to embodiment in order to illustrate more clearly of the use of the new type embodiment or technical solution in the prior art
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the use of the new type, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the blasting arrangement schematic diagram of the use of the new type embodiment high-tension cable straight coupling structure.
Fig. 2 is the structural schematic diagram of the first protective case of the use of the new type embodiment and the assembly docking of the second protective case.
Fig. 3 is the schematic cross-sectional view of the use of the new type embodiment very high frequency(VHF) partial discharge sensing device.
Fig. 4 is the assembling structure schematic diagram of the use of the new type embodiment very high frequency(VHF) partial discharge sensing device.
Fig. 5 is the use of the new type embodiment by locating part very high frequency(VHF) partial discharge sensing device is assembled in the first protective case or
The first assembling schematic diagram on second protective case.
Fig. 6 is the use of the new type embodiment by locating part very high frequency(VHF) partial discharge sensing device is assembled in the first protective case or
The second assembling schematic diagram on second protective case.
Fig. 7 is the structural schematic diagram of the use of the new type embodiment adapter component rigging position.
Fig. 8 is the structural schematic diagram at the first visual angle of the use of the new type embodiment adapter component.
Fig. 9 is the structural schematic diagram at the second visual angle of the use of the new type embodiment adapter component.
Figure 10 is the structural schematic diagram of the use of the new type embodiment coaxial cable connecting line.
Specific embodiment
Below in conjunction with the attached drawing in the use of the new type embodiment, the technical solution in the use of the new type embodiment is carried out
Clearly and completely describing, it is clear that described embodiment is only the use of the new type a part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the use of the new type, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained belongs to the range of the use of the new type protection.
It is the embodiment one of the use of the new type high-tension cable straight coupling structure as shown in Fig. 1-Figure 10.
High-tension cable straight coupling structure in the present embodiment, can will be arranged in inside high-voltage cable insulating connector very
High frequency partial discharge sensing device is connected to external inspection very high frequency(VHF) partial discharge detection instrument, realizes high-voltage cable insulating connector high sensitivity
Very high frequency(VHF) partial discharge detection can be applied to 110kV and above high-tension cable straight coupling.
Referring to shown in Fig. 1-Fig. 2, the present embodiment medium and high voltage cable straight coupling structure includes: the first protective shell 11；It is removable
The adaptation unloaded is connected to the second protective shell 12 on the first protective shell 11, and the first protective shell 11 is mutually assembled with the second protective shell 12
The chamber T that there is current supply cable A to pass through for inside；The first protective case 13 that can be socketed in respectively on chamber T inside cable A and
Two protective cases 14, the first protective case 13 and the assembly of the second protective case 14 are linked together and can be split, the first protective case 13 and/
Or second protective case 14 be equipped with assembly position.The present embodiment is the example assembling position 141 and being arranged on the second protective case 14.
It can be adapted to the very high frequency(VHF) partial discharge sensing device 2 being fastened on inside the first protective case 13 or the second protective case 14, this
Embodiment is that the example on the second protective case 14 is arranged in very high frequency(VHF) partial discharge sensing device 2.
Very high frequency(VHF) partial discharge sensing device 2 includes: dead ring 21；21 inside of dead ring is placed in be linked together with dead ring 21
Very high frequency(VHF) partial discharge sensor 22, the binding post 221 of very high frequency(VHF) partial discharge sensor 22 is emerging in the outside of dead ring 21；It can incite somebody to action
Dead ring 21 limits the locating part 23 being fixed on assembly 141 region of position together with binding post 221.
The adapter component 3 being installed on the second protective shell 12, in which: very high frequency(VHF) partial discharge is sensed by locating part 23 and is filled
It sets 2 to be assemblied on the first protective case 13 or the second protective case 14, the first protective case 13 and the assembly docking of the second protective case 14 will connect
Terminal 221 is connected on adapter component 3, external to carry out signal.
When it is implemented, the first protective shell 11 and the second protective shell 12 are two half-shell structures, respectively there is certain degree of hardness
Glass steel material protective shell, good protective value can be played.First protective shell 11 and 12 pairs of the second protective shell tippings
It is in the form of a column after matching, inside forms chamber T, passes through to current supply cable A.
Cable A includes cable body A1 and the prefabricated straight-through part device that is fastened on outside cable body A1 in the present embodiment
A2.Prefabricated straight-through part device A2 in the present embodiment includes: conductor connecting tube, shielding case, semi-conductive tape, copper shield net, pyrocondensation
The structures such as set, copper binding wire, scolding tin.It is to be understood that being socketed in after the first protective case 13 and the docking of the second protective case 14 pre-
Make the outside of straight-through part device A2.
Further, rubber pad 15 is set when the first protective shell 11 and the second protective shell 12 assemble, so to guarantee sealing
Insulation performance.In preferred embodiment, it can also be arranged in the first protective shell 11 with the end that the second protective shell 12 mutually assembles
Water-proof seal adhesive tape.
First protective case 13 and the second protective case 14 are copper pipe sleeve, and the structure and size of two components are roughly the same, assemble cloth
It sets substantially symmetric.First protective case 13 and the second protective case 14 can be docked and can also be split, and be convenient for after splitting
Very high frequency(VHF) partial discharge sensing device 2 is assembled on first protective case 13 or the second protective case 14.For fastening very high frequency(VHF) in the present embodiment
The assembly position 141 of partial discharge sensing device 2 is arranged on the second protective case 14, and assembly position 141 is a through hole being square.
Referring to shown in Fig. 3-4, very high frequency(VHF) partial discharge sensing device 2 is assemblied in the inside of high-voltage cable insulating connector, very high frequency(VHF)
Partial discharge sensing device 2 includes: dead ring 21；21 inside of dead ring is placed in sense with the very high frequency(VHF) partial discharge that dead ring 21 is linked together
The binding post 221 of device 22, very high frequency(VHF) partial discharge sensor 22 is emerging in the outside of dead ring 21；It can be by dead ring 21 together with connecing
Terminal 221 limits the locating part 23 being fixed on assembly 141 region of position.
When it is implemented, the annulus of dead ring 21 is flat ring, it is made of epoxide resin material, is set on dead ring 21
There is the groove 211 to assemble locating part 23.Very high frequency(VHF) partial discharge sensor 22 includes two semicircular rings structural member 22a, 22b, is
Copper material is made, and binding post 221 is respectively provided at the end of two semicircular ring structural members 22a, 22b.Very high frequency(VHF) partial discharge sensor
22 with dead ring 21 be integrally formed and it is non-dismountable, the binding post 221 of high frequency partial discharge sensor 22 is emerging in the position of groove 211
On.
For locating part 23 in bulk, middle part is through hole, and the high frequency partial discharge outside dead ring 21 can be appeared after assembly and is passed
The binding post 221 of sensor 22, is made of epoxide resin material.When specific assembly, very high frequency(VHF) partial discharge sensing device 2 is socketed in chamber
The outside of the prefabricated straight-through part device A2 of inner cable A, dress is inserted in the direction of the second protective case 14 towards high frequency partial discharge sensing device 2
Match.When the through hole of the second protective case 14 assembly position 141 is just moved to the position of 21 upper groove 211 of dead ring, locating part
23, which pass through assembly, position 141 and is locked in groove 211, later again by 13 Butt Assembling of the second protective case 14 and the first protective case,
Very high frequency(VHF) partial discharge sensing device 2 is fastened on the inside of the first protective case 13 or the second protective case 14.As shown in Fig. 5-Fig. 6.
Further, it is additionally provided with adapter component 3 on the second protective shell 12, the effect of adapter component 3 is: by high-voltage electricity
The very high frequency(VHF) partial discharge sensing device of cable insulating joint is connected to external inspection very high frequency(VHF) partial discharge detection instrument, realizes high-voltage cable insulating
Connector very high frequency(VHF) partial discharge detection.
When it is implemented, as shown in figs. 7 to 9, adapter component 3 includes: the guarantor for being installed in high-voltage cable insulating connector
Adapter 32 on guard ring 31 on protective case and the protective shell 12 being located at guard ring 31 inside, in which: adapter 32 is with energy
Enough it is assemblied in the first connector of the very high frequency(VHF) partial discharge sensing device 2 to connect high-voltage cable insulating connector inside protective shell
321 and outside protective shell to connect the second connector of external inspection very high frequency(VHF) partial discharge detection instrument 322.
The effect of guard ring 31 is: preventing from being damaged in transport and installation process, two side positions of guard ring 31 are equipped with
Line outlet groove 311 is convenient for cabling.In other embodiment, packaging plastic can also be perfused in guard ring 31 and be packaged protection.
Adapter 32 in the present embodiment is N/SMA-KKF type adapter, and the first connector 321 is can be with coaxial electrical
The SMA connector (mother) of the adaptation connection of cable connecting line 4, the second connector 322 are the connectivity port N/SMA-KKF.
When it is implemented, adapter 32 can be fastened on the second protective shell 12 by the way of screw-threaded coupling, meanwhile, the
It is socketed with O-ring seal 323 on the adapter 32 of one connector, 321 side, sealed insulation is enhanced with this.
Further, the connection of the very high frequency(VHF) partial discharge sensing device 2 inside high-voltage cable insulating connector and adapter 32 can
To be implemented by coaxial cable connecting line 4.
As shown in Figure 10, in the present embodiment, coaxial cable connecting line 4 includes: wire body 41, is located at the use of 41 one end of wire body
With the connecting ear 42 being connected on binding post 221 and it is located at the SMA connector 43 of 41 other end of wire body.Connecting ear 42 with connect
The connection of terminal 221 can be by the way of screw locking, and SMA connector 43 is SMA connector (mother) phase with adapter 32
The SMA connector (public affairs) of adaptation, 50 Ω of impedance.
The high-tension cable straight coupling structure of the use of the new type in the specific implementation, component and is assembled by replacement, can be with
Realize the function of built-in very high frequency(VHF) partial discharge sensor.Such as: according to above-mentioned assembly method, replacement with adapter component 3 the
Two protective shells 12 carry out being adapted to installation with the first protective shell 11.Firstly, assembly very high frequency(VHF) partial discharge sensing device 2 is in the second protective case
On 14, by 13 Butt Assembling of the second protective case 14 and the first protective case, realizes and assemble very high frequency(VHF) partial discharge sensing device 2 in high pressure
The inside of cable insulated joint.Then, using coaxial cable connecting line 4 by very high frequency(VHF) partial discharge sensing device 2 and adapter 32
The connection of first connector 321 realizes that signal is external.Finally, the second of external inspection very high frequency(VHF) partial discharge detection instrument and adapter 32
Connector 322 connects, and realizes the very high frequency(VHF) partial discharge detection of high-voltage cable insulating connector high sensitivity.
Implement the high-tension cable straight coupling structure of the use of the new type, have it is following the utility model has the advantages that
The first, very high frequency(VHF) partial discharge sensing device is built in the first protective case or the second protection of high-voltage cable insulating connector
The inside of set, solving very high frequency(VHF) Partial discharge signal long range propagation attenuation causes can't detect, and leads to not find high-voltage electricity in time
The problem of cable insulating joint internal flaw；Small partial discharge defect, and carry out defect elimination early can be found early, effectively
It avoids high voltage insulation joint from causing failure because of the expansion of partial discharge defect, is that the safe and reliable operation of Voltage Cable Lines Construction is strong
Technical guarantee.
The second, structure design is more simplified, and arrangement is more compact, is conducive to maintenance, maintenance and control cost.
Claims (5)
1. a kind of high-tension cable straight coupling structure characterized by comprising
First protective shell；
It is removably adapted to the second protective shell being connected on first protective shell, first protective shell and described second protect
The chamber that there is current supply cable to pass through for the inside that protective case mutually assembles；
The first protective case and the second protective case that can be socketed in respectively on the chamber interior cable, first protective case and
The second protective case assembly is linked together and can be split, and the first protective case and/or the second protective case are equipped with assembly position；
It can be adapted to the very high frequency(VHF) partial discharge sensing device being fastened on inside first protective case or second protective case, it is described
Very high frequency(VHF) partial discharge sensing device includes: dead ring；It is placed in the very high frequency(VHF) being linked together inside the dead ring with the dead ring
The binding post of partial discharge sensor, the very high frequency(VHF) partial discharge sensor is emerging in the outside of the dead ring；And it can will be described
Dead ring is fixed on the locating part on the dress coordination region, the very high frequency(VHF) partial discharge sensor packet together with binding post limit
Two semicircular ring structural members are included, the binding post is respectively provided at the end of two semicircular ring structural members；
The adapter component being installed on second protective shell, in which: passed the very high frequency(VHF) partial discharge by the locating part
Induction device is assemblied on first protective case or second protective case, first protective case and the second protection suit
With docking, the binding post is connected on the adapter component, it is external to carry out signal.
2. high-tension cable straight coupling structure as described in claim 1, which is characterized in that the very high frequency(VHF) partial discharge sensor with
The dead ring is integrally non-dismountable.
3. high-tension cable straight coupling structure as described in claim 1, which is characterized in that the annulus of the dead ring is
Flat ring, the dead ring are equipped with groove.
4. high-tension cable straight coupling structure as described in claim 1, which is characterized in that the assembly position is can fasten institute
Locating part is stated in a through hole wherein.
5. high-tension cable straight coupling structure as described in claim 1, which is characterized in that first protective shell and described
The end of two protection shell phase assembly is additionally provided with water-proof seal adhesive tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821430188.3U CN209267144U (en) | 2018-09-03 | 2018-09-03 | A kind of high-tension cable straight coupling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821430188.3U CN209267144U (en) | 2018-09-03 | 2018-09-03 | A kind of high-tension cable straight coupling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209267144U true CN209267144U (en) | 2019-08-16 |
Family
ID=67552510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821430188.3U Active CN209267144U (en) | 2018-09-03 | 2018-09-03 | A kind of high-tension cable straight coupling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209267144U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109038469A (en) * | 2018-09-03 | 2018-12-18 | 深圳供电局有限公司 | A kind of high-tension cable straight coupling structure |
-
2018
- 2018-09-03 CN CN201821430188.3U patent/CN209267144U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109038469A (en) * | 2018-09-03 | 2018-12-18 | 深圳供电局有限公司 | A kind of high-tension cable straight coupling structure |
| CN109038469B (en) * | 2018-09-03 | 2024-04-09 | 深圳供电局有限公司 | High-voltage cable straight-through joint structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10135177B2 (en) | Cable termination with an integrated monitoring device | |
| CN109038469A (en) | A kind of high-tension cable straight coupling structure | |
| CN207426656U (en) | A kind of high-voltage cable middle joint | |
| CN109116200A (en) | A kind of high-voltage cable insulating connector of built-in very high frequency(VHF) partial discharge sensing device | |
| US20190369152A1 (en) | Method for measuring an impedance of an electric cable, a coupler arrangement and uses thereof | |
| JP2016519563A (en) | closure | |
| CN103682794B (en) | The connecting joint device of LNG liquid level sensor output cable and transmitter | |
| CN107402343B (en) | Capacitance type high-voltage cable joint partial discharge built-in sensor structure | |
| CN209267144U (en) | A kind of high-tension cable straight coupling structure | |
| CN202978201U (en) | Intelligent high-voltage cable joint of built-in partial discharge sensor | |
| CN209044008U (en) | A kind of high-voltage cable insulating connector of built-in very high frequency(VHF) partial discharge sensing device | |
| CN202486165U (en) | Sensor and cable connecting device | |
| CN209045955U (en) | A kind of adapter component for high-tension cable straight coupling very high frequency(VHF) partial discharge detection | |
| CN206976587U (en) | A kind of high-voltage undersea cable rigidity transition joint | |
| CN205693283U (en) | Live electric cable safety device | |
| CN110535090B (en) | Waterproof protection device for cable intermediate connector | |
| CN207504549U (en) | A kind of three core transition joint of novel cable shrinkage | |
| JP2015010998A (en) | Dose rate measurement device | |
| CN206178089U (en) | Separable capacitive sensor device | |
| CN203574167U (en) | Connection joint device for LNG liquid level sensor output cable and transmitter | |
| CN104237656B (en) | A kind of spherical sensors detected for space electric field | |
| CN217545559U (en) | Cable hanging in and out casing with temperature measuring function | |
| CN204068186U (en) | cable connection assembly | |
| CN214336437U (en) | Full-shielding time measuring probe device | |
| CN207603184U (en) | A kind of transition joint of the flexible interior rib of band |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |