CN107831338A - A kind of cable connector component with double shield function - Google Patents
A kind of cable connector component with double shield function Download PDFInfo
- Publication number
- CN107831338A CN107831338A CN201710881898.1A CN201710881898A CN107831338A CN 107831338 A CN107831338 A CN 107831338A CN 201710881898 A CN201710881898 A CN 201710881898A CN 107831338 A CN107831338 A CN 107831338A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- insulating
- shield
- inner shield
- cored wire
- 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.)
- Granted
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/18—Screening arrangements against electric or magnetic fields, e.g. against earth's field
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Cable Accessories (AREA)
Abstract
The present invention relates to a kind of cable connector component with double shield function.Existing product can not realize double shield function.The present invention includes external shield cylinder, insulating cylinder, inner shield cylinder, core wire tube, and external shield cylinder and inner shield cylinder set up the both ends of insulating cylinder separately, and core wire tube is arranged in inner shield cylinder.External shield cylinder, inner shield cylinder and core wire tube use metal material, and external shield cylinder is used for the external shielding layer for connecting access lead, and inner shield cylinder is used for the internal shield for connecting access lead, and core wire tube is used for the cored wire for connecting access lead.It is grounded cylinder to connect by insulating cylinder insulation with inner shield cylinder, inner shield cylinder is insulated with core wire tube by insulating sleeve to be connected.Core wire tube both ends ecto-entad offers the cored wire blind hole for fixing cored wire respectively, and for fixing the contact pin blind hole waiting for plugging standby contact pin.The present invention, which realizes, is arranged on the cored wire, internal shield and external shielding layer of Hi-pot test line on same cable connector, and more securely and reliably, wiring is more convenient.
Description
Technical field
The invention belongs to electric power measuring device technical field, and in particular to a kind of cable connector group with double shield function
Part.
Background technology
The high pressure pilot project such as the dielectric loss of power transformer and insulaion resistance is to judge electric power transformer insulated state
A kind of effective means, be that power transformer is joined and the main project of the experiment such as preventative.Dielectric loss, insulaion resistance
Test requirements document etc. high pressure detection project determines that test loop need to have double shield function.Hi-pot test line on the market at present
Double shield function can be accomplished, but cable connector can not accomplish double shield function, the cored wire of Hi-pot test line and interior can only be connect
Shielding line, external shield line then need to be grounded with single joint.
During Hi-pot test line use, there is pressure difference in cored wire itself, internal shield, external shielding layer.Using without double shield
During the cable connector of function, because external shield line individually peels away ground connection, band high pressure between external shielding layer and internal shield so that
The cable connector that human hand is affectedly bashful unparalleled function of shielding plugs high-tension apparatus abnormal condition to be accessed.
The content of the invention
The purpose of the present invention is aiming at the deficiencies in the prior art, there is provided a kind of cable connector group with double shield function
Part, the cored wire, internal shield and external shielding layer of Hi-pot test line can be made to be arranged on same cable connector.
The present invention includes the one end fits of external shield cylinder, insulating cylinder, inner shield cylinder, core wire tube, external shield cylinder and insulating cylinder
The other end of connection, inner shield cylinder and insulating cylinder is connected, and core wire tube is arranged in inner shield cylinder.
Described external shield cylinder includes the ground connection outer barrel and ground connection inner cylinder of metal material, and ground connection inner cylinder is co-axially located at ground connection
Rear portion in outer barrel, one end are fixedly connected and turned on ground connection outer barrel by edge projection, and the other end is hanging.
Described insulating cylinder is the cylinder of insulation cylinder material, and its inwall is step circles cylindricality, forms positioning step.
Described inner shield cylinder is the metal cylinder of both ends open, and its front inner wall is provided with locating ring.
Described core wire tube is the cylinder with three sections of ledge structures of metal material, is followed successively by extrapolation junction, absolutely
Edge receiver section and cored wire junction, the wherein external diameter of insulation sleeve cylinder base section are more than extrapolation junction and cored wire junction, and small
In the internal diameter of inner shield cylinder；The end face of described extrapolation junction is inwardly provided with blind for fixing the contact pin waiting for plugging standby contact pin
Hole, the end face of cored wire junction are inwardly provided with cored wire blind hole.
The axial cross section of preceding insulating sleeve and rear insulating sleeve is T-shaped, internal diameter and the extrapolation junction of preceding insulating sleeve
External diameter match, the external diameter of the internal diameter and cored wire junction of rear insulating sleeve matches, preceding insulating sleeve and rear insulating sleeve
The internal diameter of maximum outside diameter and inner shield cylinder match.
Preceding insulating sleeve is nested with outside outer grafting head section, and major part is towards insulation sleeve cylinder base section；Insulating sleeve is nested with afterwards
Outside cored wire junction, and major part is towards insulation sleeve cylinder base section；It is arranged on after core wire tube, preceding insulating sleeve and the combination of rear insulating sleeve
In inner shield cylinder, and it is spacing by locating ring；Have after combination between the insulation sleeve cylinder base section of core wire tube and inner shield cylinder inwall
The space of annular.
Described inner shield cylinder rear portion insertion insulating cylinder is anterior, and is positioned by positioning step.
External shield cylinder of the present invention is insulated with inner shield cylinder by insulating cylinder to be connected, and inner shield cylinder passes through insulation sleeve with core wire tube
Cylinder insulation connection, forms stable stepped annexation.In wiring, by the external shielding layer of Hi-pot test line and ground connection inner cylinder
Conducting connection, internal shield turns on connection with inner shield cylinder, cored wire turns on connection with core wire tube.So it is achieved that Hi-pot test
Cored wire, internal shield and the external shielding layer of line are arranged on same cable connector.The present invention damages the medium of power transformer
In the high pressure pilot project such as consumption and insulaion resistance, people can contact joint during plug and use, more securely and reliably, connect
Line is more convenient.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of Fig. 1 China and foreign countries shielding cylinder；
Fig. 3 is the structural representation of insulating cylinder in Fig. 1；
Fig. 4 is the structural representation of inner shield cylinder and core wire tube in Fig. 1.
Embodiment
As shown in figure 1, a kind of cable connector component with double shield function, including external shield cylinder 1, insulating cylinder 2, interior screen
Cylinder 3, core wire tube 4 are covered, one end of external shield cylinder 1 is connected with the threaded one end of insulating cylinder 2, and inner shield cylinder 3 coordinates with insulating cylinder 2 and connected
Connect, core wire tube 4 is arranged in inner shield cylinder 3.
As shown in Fig. 2 external shield cylinder 1 includes the ground connection outer barrel 1-1 and ground connection inner cylinder 1-2 of metal material, ground connection inner cylinder 1-2
The rear portion being co-axially located in ground connection outer barrel 1-1, one end are fixedly connected and led with ground connection outer barrel 1-1 by edge projection 1-2-1
Logical, the other end is hanging；Ground connection outer barrel 1-1 inwalls are tapped with internal thread.
As shown in figure 3, cylinder of the insulating cylinder 2 for insulation cylinder material, the external rear wall of insulating cylinder 2 is externally threaded, before inwall
Portion is provided with annular projection 2-1, and the inwall of insulating cylinder 2 is step circles cylindricality, forms positioning step 2-2.The rear portion of insulating cylinder 2 with it is outer
The front threads connection of shielding cylinder 1.
As shown in figure 4, inner shield cylinder 3 is the metal cylinder of both ends open, its front inner wall is provided with locating ring 3-1, after
The outer wall in portion is provided with the annular slot 3-2 matched with annular projection 2-1, positioning and fixation when being installed for black box.
Glue can be put into annular slot 3-2 in assembling, with the firmness of increase assembling.
Core wire tube 4 is the cylinder with three sections of ledge structures of metal material, is followed successively by extrapolation junction, insulating sleeve
Seat section and cored wire junction, wherein the external diameter of insulation sleeve cylinder base section is more than extrapolation junction and cored wire junction, and is less than interior screen
Cover the internal diameter of cylinder 3.
The end face of extrapolation junction is inwardly provided with for fixing the contact pin blind hole 4-1 waiting for plugging standby contact pin, contact pin blind hole
Hat spring 4-2 is provided with 4-1；The end face of cored wire junction is inwardly provided with cored wire blind hole 4-3, and cored wire blind hole 4-3 side wall opens up
There is the cored wire welding hole 4-4 run through.Contact pin blind hole 4-1 and cored wire blind hole 4-3 is aciculiform.
The thin-walled cylinder that spring 4-2 is elastic metallic material is preced with, its side wall is to contract, and into hyperbola, side wall edge is perpendicular
To a plurality of groove is provided with, increase its elasticity.
Preceding insulating sleeve 5-1 and rear insulating sleeve 5-2 axial cross section are T-shaped, preceding insulating sleeve 5-1 internal diameter with it is outer
The external diameter of grafting head section matches, and the external diameter of rear insulating sleeve 5-2 internal diameter and cored wire junction matches, preceding insulating sleeve 5-
The internal diameter of 1 and rear insulating sleeve 5-2 maximum outside diameter and inner shield cylinder 3 matches.
Preceding insulating sleeve 5-1 is nested with outside outer grafting head section, and major part is towards insulation sleeve cylinder base section；Insulating sleeve 5-2 afterwards
It is nested with outside cored wire junction, and major part is towards insulation sleeve cylinder base section；Core wire tube 4, preceding insulating sleeve 5-1 and rear insulating sleeve 5-
It is arranged on after 2 combinations in inner shield cylinder 3, and it is spacing by locating ring 3-1；The insulation sleeve cylinder base section of core wire tube and interior screen after combination
Covering has the space of annular between an inwall, makes core wire tube keep insulating with inner shield cylinder using two insulating sleeves.
The front portion of the rear portion insertion insulating cylinder 2 of inner shield cylinder 3, is fixed by annular projection 2-1 and annular slot 3-2 and connected
Connect, and positioned by positioning step 2-2.
Hi-pot test line ecto-entad includes external insulation layer, wire netting external shielding layer, temperature-resistant insulation layer, wire netting successively
Internal shield, core insulation, cored wire.Specifically wiring process is：After Hi-pot test line peels off external insulation layer, by outside wire netting
Screen layer welds with ground connection inner cylinder 1-2；Then enter inner shield cylinder 3 by insulating cylinder 2, temperature-resistant insulation layer is peeled off, by metal
Net internal shield connects with the conducting of inner shield cylinder 3；Peel off in the cored wire insertion cored wire blind hole 4-3 after core insulation, pass through core
Cored wire is fixed in cored wire blind hole 4-3 by wire bonding hole 4-4.
Claims (6)
1. a kind of cable connector component with double shield function, including external shield cylinder (1), insulating cylinder (2), inner shield cylinder (3),
Core wire tube (4), external shield cylinder (1) are connected with the one end fits of insulating cylinder (2), the other end of inner shield cylinder (3) and insulating cylinder (2)
It is connected, core wire tube (4) is arranged in inner shield cylinder 3；It is characterized in that：
Described external shield cylinder (1) includes the ground connection outer barrel (1-1) and ground connection inner cylinder (1-2) of metal material, ground connection inner cylinder (1-2)
The rear portion being co-axially located in ground connection outer barrel (1-1), one end pass through edge projection (1-2-1) and the fixed company of ground connection outer barrel (1-1)
Connect and turn on, the other end is hanging；
Described insulating cylinder (2) is the cylinder of insulation cylinder material, and its inwall is step circles cylindricality, forms positioning step (2-2)；
Described inner shield cylinder (3) is the metal cylinder of both ends open, and its front inner wall is provided with locating ring (3-1)；
Described core wire tube (4) is the cylinder with three sections of ledge structures of metal material, is followed successively by extrapolation junction, insulation
Receiver section and cored wire junction, the wherein external diameter of insulation sleeve cylinder base section are more than extrapolation junction and cored wire junction, and are less than
The internal diameter of inner shield cylinder (3)；The end face of described extrapolation junction is inwardly provided with for fixing the contact pin waiting for plugging standby contact pin
Blind hole (4-1), the end face of cored wire junction are inwardly provided with cored wire blind hole (4-3)；
The axial cross section of preceding insulating sleeve (5-1) and rear insulating sleeve (5-2) is T-shaped, the internal diameter of preceding insulating sleeve (5-1) with
The external diameter of extrapolation junction matches, and the external diameter of the internal diameter and cored wire junction of rear insulating sleeve (5-2) matches, preceding insulation sleeve
The internal diameter of the maximum outside diameter and inner shield cylinder (3) of cylinder (5-1) and rear insulating sleeve (5-2) matches；
Preceding insulating sleeve (5-1) is nested with outside outer grafting head section, and major part is towards insulation sleeve cylinder base section；Insulating sleeve (5-2) afterwards
It is nested with outside cored wire junction, and major part is towards insulation sleeve cylinder base section；Core wire tube (4), preceding insulating sleeve (5-1) and rear insulation sleeve
It is arranged on after cylinder (5-2) combination in inner shield cylinder (3), and it is spacing by locating ring (3-1)；The insulating sleeve of core wire tube after combination
There is the space of annular between seat section and inner shield cylinder inwall；
Described inner shield cylinder (3) rear portion insertion insulating cylinder (2) is anterior, and is positioned by positioning step (2-2).
A kind of 2. cable connector component with double shield function as claimed in claim 1, it is characterised in that：Described contact pin
Hat spring (4-2) is provided with blind hole (4-1)；Described hat spring (4-2) be elastic metallic material thin-walled cylinder, its side wall to
Contract, into hyperbola, side wall is vertically provided with a plurality of groove.
A kind of 3. cable connector component with double shield function as claimed in claim 1, it is characterised in that：Described cored wire
The side wall of blind hole (4-3) offers the cored wire welding hole (4-4) run through.
A kind of 4. cable connector component with double shield function as claimed in claim 1, it is characterised in that：Described contact pin
Blind hole (4-1) and cored wire blind hole (4-3) are aciculiform.
A kind of 5. cable connector component with double shield function as claimed in claim 1, it is characterised in that：Described ground connection
Outer barrel (1-1) inwall is tapped with internal thread, and described insulating cylinder (2) outer wall is externally threaded, the rear portion of insulating cylinder (2) and external shield
The front threads connection of cylinder (1).
A kind of 6. cable connector component with double shield function as claimed in claim 1, it is characterised in that：Described insulation
Cylinder (2) inwall front portion is provided with annular projection (2-1), and the outer wall at described inner shield cylinder (3) rear portion is provided with annular slot (3-
2), described annular projection (2-1) matches with annular slot (3-2), and inner shield cylinder (3) and insulating cylinder (2) pass through annular snap
Groove (3-2) is fixedly connected with annular projection (2-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710881898.1A CN107831338B (en) | 2017-09-26 | 2017-09-26 | Cable joint assembly with double shielding function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710881898.1A CN107831338B (en) | 2017-09-26 | 2017-09-26 | Cable joint assembly with double shielding function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107831338A true CN107831338A (en) | 2018-03-23 |
| CN107831338B CN107831338B (en) | 2023-05-30 |
Family
ID=61643520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710881898.1A Active CN107831338B (en) | 2017-09-26 | 2017-09-26 | Cable joint assembly with double shielding function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107831338B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109119789A (en) * | 2018-10-09 | 2019-01-01 | 深圳市沃尔核材股份有限公司 | Quick grafting distributing cable connection structure |
| CN112730910A (en) * | 2020-12-25 | 2021-04-30 | 杭州西湖电子研究所 | Separated time grafting subassembly with double-shielding function |
| CN113540835A (en) * | 2020-04-16 | 2021-10-22 | 北京机械设备研究所 | Joint of cabin-penetrating cable in strong electromagnetic environment and shielding treatment method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109119789A (en) * | 2018-10-09 | 2019-01-01 | 深圳市沃尔核材股份有限公司 | Quick grafting distributing cable connection structure |
| CN109119789B (en) * | 2018-10-09 | 2024-04-02 | 深圳市沃尔核材股份有限公司 | Quick-plugging power distribution cable connection structure |
| CN113540835A (en) * | 2020-04-16 | 2021-10-22 | 北京机械设备研究所 | Joint of cabin-penetrating cable in strong electromagnetic environment and shielding treatment method |
| CN112730910A (en) * | 2020-12-25 | 2021-04-30 | 杭州西湖电子研究所 | Separated time grafting subassembly with double-shielding function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107831338B (en) | 2023-05-30 |
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