CN104483518B - High-voltage connection line used for electrical equipment detection - Google Patents
High-voltage connection line used for electrical equipment detection Download PDFInfo
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- CN104483518B CN104483518B CN201410853963.6A CN201410853963A CN104483518B CN 104483518 B CN104483518 B CN 104483518B CN 201410853963 A CN201410853963 A CN 201410853963A CN 104483518 B CN104483518 B CN 104483518B
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- 238000001514 detection method Methods 0.000 title abstract description 15
- 230000000694 effects Effects 0.000 claims abstract description 4
- 239000010410 layer Substances 0.000 claims description 49
- 238000009413 insulation Methods 0.000 claims description 11
- 238000012423 maintenance Methods 0.000 claims description 10
- 238000009422 external insulation Methods 0.000 claims description 9
- 230000004888 barrier function Effects 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 230000008602 contraction Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000011241 protective layer Substances 0.000 claims description 5
- 239000013536 elastomeric material Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 239000007769 metal material Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 210000001215 vagina Anatomy 0.000 description 1
Abstract
The invention relates to a high-voltage connection line used for electrical equipment detection. The high-voltage connection line used for the electrical equipment detection comprises a high-voltage lead, a high-voltage shielding plug and a fixture. The two ends of the high-voltage lead are connected with the high-voltage shielding plug and the fixture respectively; the design of double shielding layers is adopted in the high-voltage lead. The high-voltage shielding plug comprises a shielding plug body, a plug locknut, a shielding sleeve, a shielding connector, a protection sleeve, a lead enclasping sleeve and an enclasping nut. The plug locknut is movably arranged outside the shielding plug body in a sleeving mode, the upper portion of the shielding sleeve is in threaded connection with the shielding plug body, and the lower portion of the shielding sleeve is in threaded connection with the protection sleeve. The shielding plug body is welded to the tail of the shielding sleeve, a binding cavity is defined by the shielding plug body, the shielding sleeve and the shielding connector, and binding posts are located in the binding cavity. The high-voltage lead is correspondingly communicated and connected with the two binding posts, the shielding sleeve and the shielding connector serve as extension of an outer shielding layer, and therefore full shielding is achieved. The high-voltage connection line used for the electrical equipment detection has an excellent shielding effect and can guarantee that a host computer can obtain high-quality, reliable and stable operation working states.
Description
Technical field
The invention belongs to field of measurement technique of electrical equipment, is related to a kind of high pressure used for power equipment measuring instrument
Connecting line.
Background technology
The detection for carrying out to power transformer at present, part detection project need to apply high voltage, and other detection projects are needed
Apply low-voltage.Power transformer high pressure detection project is mainly for its insulating properties, high pressure measure loop（Mainly detect electricity
Road and high-voltage connection）With periphery object or the insulating properties of the earth, significant impact can be produced to high pressure detection.Preferable process side
Method be high pressure measure loop it is additional one layer with high-tension measurement loop isoelectric level but insulation metal screen layer, make high pressure to low
The leakage of pressure or the earth is isolated with measure loop.When horizontal high voltage detection project is entered, because high-voltage connection and high-voltage plug are subject to
The impact of conducting high-voltage large current and surrounding test environment, the main process equipment that can make high voltage power supply is difficult to obtain high-quality and can
By stable operation working condition；And high-pressure connection line need to transmit it is tens of thousands of lie prostrate to hundreds of thousands volt high pressure and hundreds of ampere extremely
All there is particular/special requirement in the high current of several kiloamperes, its structure and transmission connection, it is therefore desirable to which providing one kind can bear height
Voltage, high current, and there is the high-voltage connection and high-tension shielding joint of good shield effectiveness.There is no in the market suitable
Need together in power transformer detection, the high-pressure connection line product for possessing shielding character is alternative.
The content of the invention
It is an object of the present invention to provide a kind of high-pressure connection line used for power equipment measuring instrument.
The present invention includes high-voltage connection, high-tension shielding plug and fixture, and one end and the high-tension shielding plug of high-voltage connection connect
Connect, the other end is connected with fixture；Described high-voltage connection is designed using double shield layer, include respectively from inside to outside heart yearn, it is interior absolutely
Edge layer, high voltage shield, middle insulating barrier, external shielding layer, external insulation layer, protective layer；Heart yearn is metal in described high-voltage connection
Line, as high-voltage line；High voltage shield is wire netting, realizes high-tension shielding；External shielding layer is wire netting, strengthens function of shielding；
Inner insulating layer, middle insulating barrier and external insulation layer are nonmetallic materials, and inner insulating layer is used for the insulation of heart yearn and high voltage shield, in
Insulating barrier is used for the insulation of high voltage shield and external shielding layer, and external insulation layer is used for the overall insulation protection of high-voltage connection；Protection
Layer is nonmetallic materials, for the outer layer protection of high-voltage connection.
Described high-tension shielding plug includes shielded plug, plug-locking nut, shroud sleeve, shielded joint, protective case
Cylinder, lead hold sleeve tightly, hold nut tightly.
Described shielded plug includes plug body, insulating plug and high pressure contact pin；Plug body is the cylinder of both ends open
Shape, insulating plug is the cylinder of elastomeric material, and insulating plug is arranged in plug body；High pressure contact pin is arranged through insulating plug, high
It is fixed in insulating plug in the middle part of pressure contact pin, head stretches out insulating plug, is located in plug body as pin contact, high pressure contact pin
Afterbody as binding post.
Described plug-locking nut is the cylindrical shape of both ends open, and inwall is tapped with locking female thread, plug-locking nut
Activity is placed on outside shielded plug, can be axially moveable in the range of restriction.
Described shroud sleeve is the metallic cylinder of both ends open, the top of shroud sleeve and the lower thread of plug body
Connection.
Described shielded joint is cylindrical metal part, and centre is provided with heart yearn perforation, and one end of shielded joint is welded on screen
The afterbody of sleeve is covered, with shroud sleeve conducting.
Described protection sleeve is the nonmetallic cylinder of both ends open, is axially inside divided into shroud sleeve parcel
Point, shroud sleeve coupling part, lead hold tightly sleeve connection part；Wherein, under shroud sleeve coupling part and shroud sleeve
Portion is threadedly coupled, and shroud sleeve wrapping portion is coated on outside shroud sleeve after connection.
Described lead holds nonmetallic cylinder of the sleeve for both ends open tightly, and its top holds set tightly with the lead of protection sleeve
Cylinder coupling part threaded connection, the outer wall of bottom is evenly divided into vertically contraction piece；Hold nut tightly and hold sleeve tightly with lead
Lower thread connects；
One end of high-voltage connection is held sleeve tightly and is arranged through lead, the cylindric external shielding layer that high-voltage connection one end separates
Weld with the other end of the shielded joint of high-tension shielding plug, the end of heart yearn and the end of high voltage shield pass through shielded joint
Heart yearn perforation, and respectively it is corresponding with two binding posts of wiring intracavity conducting connect；Hold nut after-contraction piece edge tightly to draw
Line holds the radially-inwardly contraction of sleeve tightly, and high-voltage connection is held tightly, it is to avoid movable.In the other end of high-voltage connection, heart yearn
Feet are held with two of high voltage shield difference jockey, external shielding layer is hanging.
Described shielded plug, insulating plug, shroud sleeve and shielded joint enclose wire connection cavity, and binding post is located at wire connection cavity
It is interior.
Insulating plug mounting groove is circumferentially provided with described plug body, the outer wall of insulating plug is embedded in insulating plug mounting groove
It is interior.
Described plug body outer wall is circumferentially provided with the spacing outer lug boss of annular, and plug-locking nut inner wall is circumferentially
The spacing inner convex platform of annular is provided with, the outer wall of shroud sleeve is circumferentially provided with the positioning boss of annular, spacing inner convex platform position
Between spacing outer lug boss and positioning boss, plug-locking nut is axially moveable under the restriction of three boss.
Screw hole is provided with through shroud sleeve on described positioning boss, shielded plug passes through tight after being connected with shroud sleeve
Gu fastened by screw.
The internal diameter and length of the shroud sleeve wrapping portion of described protection sleeve and the external diameter of shroud sleeve positioning boss
And width matching, the positioning boss of shroud sleeve is in shroud sleeve wrapping portion.
Described shroud sleeve and shielded joint realize full-shield as the extension of the external shielding layer of high-voltage connection.
When using, the pin contact insertion multicore high-tension terminal of shielded plug completes conducting connection, using plug-locking spiral shell
Mother's locking, makes the fastening of high-tension shielding plug and multicore high-tension terminal, only need to being connected to the high-voltage connection other end during wiring
On power equipment, so as to realize high pressure detection line conduction connection, and then, high pressure examination low to bushing shell for transformer terminal is completed
Galvanoscope, the applying of voltage, collection of signal etc..
The present invention can bear high voltage, high current, and with good shield effectiveness, for high-voltage connection and detection
Equipment connects, it is ensured that the main process equipment of high voltage power supply obtains high-quality and reliable and stable operation working condition, it is to avoid detect back
The high-pressure leakage on road and the impact of experimental enviroment, it is ensured that accuracy of detection.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the schematic cross-section of mesohigh lead of the present invention；
Fig. 3 is the overall structure diagram of mesohigh shielded plug of the present invention；
Fig. 4 is the structural representation of shielded plug and plug-locking nut in Fig. 3；
Fig. 5 is the structural representation of shroud sleeve and shielded joint in Fig. 3；
Fig. 6 is the structural representation of wire connection cavity in Fig. 3；
Fig. 7 is to protect sleeve and lead to hold the structural representation of sleeve tightly in Fig. 3.
Specific embodiment
As shown in figure 1, a kind of high-pressure connection line for electric device maintenance includes high-voltage connection I, high-tension shielding plug
II and fixture III.One end of high-voltage connection I is connected with high-tension shielding plug II, and the other end is connected with fixture III.
As shown in Fig. 2 high-voltage connection I is designed using double shield layer, include heart yearn 11, inner insulating layer respectively from inside to outside
12nd, high voltage shield 13, middle insulating barrier 14, external shielding layer 15, external insulation layer 16, protective layer 17；Wherein heart yearn 11 is metal wire,
As high-voltage line；High voltage shield 13 is wire netting, realizes high-tension shielding；External shielding layer 15 is wire netting, realizes function of shielding；
Inner insulating layer 12, middle insulating barrier 14 and external insulation layer 16 are nonmetallic materials, such as polyester, inner insulating layer 12 be used for heart yearn 11 with
The insulation of high voltage shield 13, middle insulating barrier 14 is used for the insulation of high voltage shield 13 and external shielding layer 15, and external insulation layer 16 is used
In the insulation protection that high-voltage connection is overall；Protective layer 17 is nonmetallic materials, such as polyester, rubber, for the outer of high-voltage connection
Layer protection.
As shown in figure 3, high-tension shielding plug II includes that shielded plug 1, plug-locking nut 2, shroud sleeve 3, shielding connect
4, protection sleeve 5, lead holds sleeve 6 tightly, holds nut 7 tightly.
As shown in figure 4, described shielded plug 1 includes plug body 1-1, insulating plug 1-2 and high pressure contact pin 1-3.
Plug body 1-1 is the cylindrical shape of both ends open, and in plug body 1-1 insulating plug mounting groove 1-1- is circumferentially provided with
1, plug body 1-1 outer wall is circumferentially provided with spacing outer lug boss 1-1-2 of annular, and plug body 1-1 outer walls bottom is tapped with connecting
Meet external screw thread 1-1-3.
Insulating plug 1-2 is the cylinder of elastomeric material, and the outer wall of insulating plug 1-2 is embedded in insulating plug mounting groove 1-1-1.
High pressure contact pin 1-3 is arranged through insulating plug 1-2, is fixed in the middle part of high pressure contact pin 1-3 in insulating plug 1-2, head
Insulating plug 1-2 is stretched out, is located in plug body 1-1 as pin contact 1-3-1.
Described plug-locking nut 2 is the cylindrical shape of both ends open, and the inwall of plug-locking nut 2 is circumferentially provided with ring
The spacing inner convex platform 2-1 of shape, the inwall of plug-locking nut 2 is tapped with locking female thread 2-2；The activity of plug-locking nut 2 is placed on
It is outside shielded plug 1 and spacing by spacing inner convex platform 2-1 and spacing outer lug boss 1-1-2.
As shown in figure 5, described shroud sleeve 3 is the metallic cylinder of both ends open, the outer wall of shroud sleeve 3 circumferentially sets
It is equipped with the positioning boss 3-1 of annular；The upper inside wall of shroud sleeve 3 is tapped with and is connected spiral shell in the connection of external screw thread 1-1-3 matchings
Stricture of vagina 3-2；The outer wall bottom of shroud sleeve 3 is tapped with shroud sleeve external screw thread 3-3；It is provided with through shroud sleeve 3 on positioning boss 3-1
Screw hole 3-4, shielded plug 1 is fastened after being connected with shroud sleeve 3 by fastening screw 3-5.
Described shielded joint 4 is cylindrical metal part, and centre is provided with heart yearn perforation 4-1, one end welding of shielded joint 4
In the afterbody of shroud sleeve 3, turn on shroud sleeve 3.
As shown in fig. 6, shielded plug 1 passes through to be connected external screw thread 1-1-3 and connection female thread 3-2 screw threads with shroud sleeve 3
Connection, shielded plug 1, insulating plug 1-2, shroud sleeve 3 and shielded joint 4 enclose wire connection cavity 8, the afterbody of high pressure contact pin 1-3
It is located in wire connection cavity 8 as binding post 1-3-2.
As shown in fig. 7, described protection sleeve 5 is the nonmetallic cylinder of both ends open, screen is axially inside divided into
Cover sleeve wrapping portion 5-1, shroud sleeve coupling part 5-2, lead and hold sleeve connection part 5-3 tightly；Wherein shroud sleeve bag
Wrap up in the internal diameter and length of part 5-1 to match with the external diameter and width of the positioning boss 3-1 of shroud sleeve 3；Shroud sleeve coupling part
The medial wall of 5-2 is tapped with the protection internal thread of sleeve 5-4 matched with shroud sleeve external screw thread 3-3, protection sleeve 5 and shroud sleeve
3 threaded connections, the positioning boss 3-1 of shroud sleeve 3 is located in shroud sleeve wrapping portion 5-1 after connection.
Described lead holds nonmetallic cylinder of the sleeve 6 for both ends open tightly, and its top is threadedly coupled with protection sleeve 5,
The outer wall of bottom is evenly divided into vertically contraction piece 6-1；Hold nut 7 tightly to be connected with the lower thread of lead holding sleeve 6, and
Radially-inwardly contractions of the after-contraction piece 6-1 along lead holding sleeve 6 is being screwed, high-voltage connection is being held tightly, preventing from moving forward and backward, it is real
Existing fixation.
One end of high-voltage connection is held sleeve 6 tightly and is arranged through lead, tightens holding nut 7, it is to avoid move before and after high-voltage connection
It is dynamic.The cylindric external shielding layer 15 that high-voltage connection is separated is welded with the other end of the shielded joint 4 of high-tension shielding plug, high pressure
The end of heart yearn 11 of lead and the end of high voltage shield 13 through shielded joint 4 heart yearn perforation 4-1, and respectively with wire connection cavity
Two binding post 1-3-2 correspondence conducting connections in 8.The external shielding layer 15 of shroud sleeve 3 and shielded joint 4 as high-voltage connection
Extension, realize full-shield.
In two end feet of the other end of high-voltage connection, heart yearn 11 and the difference jockey III of high voltage shield 13, external screen
Cover layer 15 hanging.Fixture III can take various forms, such as electric power folder.
In use, the pin contact insertion multicore high-tension terminal of shielded plug 1 completes conducting connection, using plug-locking
Nut 2 is locked, and makes the fastening of high-tension shielding plug and multicore high-tension terminal, and only fixture III power equipment need to be connected to during wiring
It is upper, so as to realize that high pressure detection line conduction connects, and then complete, high-potting electric current low to bushing shell for transformer terminal,
The applying of voltage, collection of signal etc..Wherein, when low pressure measurement is tested, heart yearn 11 is used as pressure-wire, the conduct of high voltage shield 13
Electric current line, external shielding layer 15 realizes function of shielding；When high-tension measurement is tested, heart yearn 11 is used as high-voltage line, the He of high voltage shield 13
External shielding layer 15 realizes that double shield is acted on, and high voltage shield 13 realizes high-tension shielding function, and external shielding layer 15 strengthens shielding action.
Claims (8)
1. a kind of high-pressure connection line for electric device maintenance, including high-voltage connection, high-tension shielding plug and fixture, high pressure draws
Line is designed using double shield layer, and one end of high-voltage connection is connected with high-tension shielding plug, and the other end is connected with fixture；Its feature exists
In：Described high-voltage connection includes respectively from inside to outside heart yearn (11), inner insulating layer (12), high voltage shield (13), middle insulation
Layer (14), external shielding layer (15), external insulation layer (16), protective layer (17)；
Described high-tension shielding plug includes shielded plug (1), plug-locking nut (2), shroud sleeve (3), shielded joint
(4) sleeve (5), lead, is protected to hold sleeve (6) tightly, hold nut (7) tightly；
Described shielded plug (1) includes plug body (1-1), insulating plug (1-2) and high pressure contact pin (1-3)；Plug body (1-
1) it is the cylindrical shape of both ends open, insulating plug (1-2) is the cylinder of elastomeric material, insulating plug (1-2) is arranged on plug body
(1-1) in；High pressure contact pin (1-3) is arranged through insulating plug (1-2), and insulating plug (1-2) is fixed in the middle part of high pressure contact pin (1-3)
Interior, head stretches out insulating plug (1-2), is located in plug body (1-1) as pin contact (1-3-1), high pressure contact pin (1-3)
Afterbody is used as binding post (1-3-2)；
Described plug-locking nut (2) for both ends open cylindrical shape, plug-locking nut (2) inwall be tapped with lock female thread
(2-2), plug-locking nut (2) activity is placed on shielded plug (1) outward, can be axially moveable in the range of restriction；
Described shroud sleeve (3) for both ends open metallic cylinder, the top of shroud sleeve (3) and plug body (1-1)
Lower thread connects；
Described shielded joint (4) is cylindrical metal part, and centre is provided with heart yearn perforation (4-1), one end weldering of shielded joint (4)
The afterbody of shroud sleeve (3) is connected on, with shroud sleeve (3) conducting；
Described protection sleeve (5) is the nonmetallic cylinder of both ends open, is axially inside divided into shroud sleeve parcel
(5-1), shroud sleeve coupling part (5-2), lead is divided to hold sleeve connection part (5-3) tightly；Wherein, shroud sleeve coupling part
(5-2) it is connected with the lower thread of shroud sleeve (3), shroud sleeve wrapping portion (5-1) is coated on shroud sleeve (3) after connection
Outward；
Described lead holds nonmetallic cylinder of the sleeve (6) for both ends open tightly, and its top is held tightly with the lead of protection sleeve (5)
Sleeve connection part (5-3) is threadedly coupled, and the outer wall of bottom is evenly divided into vertically contraction piece (6-1)；Hold tightly nut (7) with
Lead holds the lower thread connection of sleeve (6) tightly；
One end of high-voltage connection is held sleeve (6) tightly and is arranged through lead, the cylindric external shielding layer that high-voltage connection one end separates
(15) with the other end welding of the shielded joint (4) of high-tension shielding plug, the end of heart yearn (11) and high voltage shield (13)
End is bored a hole (4-1) through the heart yearn of shielded joint (4), and corresponding with two binding posts (1-3-2) in wire connection cavity (8) respectively
Conducting connection；Hold nut (7) tightly and screw the radially-inwardly contraction that after-contraction piece (6-1) holds sleeve (6) tightly along lead, high pressure is drawn
Line is held tightly, it is to avoid movable；
In two end feet of the other end of high-voltage connection, heart yearn (11) and high voltage shield (13) difference jockey, external shield
Layer (15) is hanging.
2. a kind of high-pressure connection line for electric device maintenance as claimed in claim 1, it is characterised in that：Described high pressure
Heart yearn (11) is metal wire in lead, used as high-voltage line；High voltage shield (13) is wire netting, realizes high-tension shielding；External shield
Layer (15) is wire netting, strengthens function of shielding；Inner insulating layer (12), middle insulating barrier (14) and external insulation layer (16) are non-metallic material
Material, inner insulating layer (12) for heart yearn (11) and high voltage shield (13) insulation, middle insulating barrier (14) is for high voltage shield
(13) with the insulation of external shielding layer (15), external insulation layer (16) is for the overall insulation protection of high-voltage connection；Protective layer (17) is
Nonmetallic materials, for the outer layer protection of high-voltage connection.
3. a kind of high-pressure connection line for electric device maintenance as claimed in claim 1, it is characterised in that：Described shielding
Plug (1), insulating plug (1-2), shroud sleeve (3) and shielded joint (4) enclose wire connection cavity (8), and binding post (1-3-2) is located at
In wire connection cavity (8).
4. a kind of high-pressure connection line for electric device maintenance as claimed in claim 1, it is characterised in that：Described plug
Insulating plug mounting groove (1-1-1) is circumferentially provided with shell (1-1), the outer wall of insulating plug (1-2) is embedded in insulating plug mounting groove (1-
In 1-1).
5. a kind of high-pressure connection line for electric device maintenance as claimed in claim 1, it is characterised in that：Described plug
Shell (1-1) outer wall is circumferentially provided with the spacing outer lug boss (1-1-2) of annular, and plug-locking nut (2) inwall circumferentially sets
The spacing inner convex platform (2-1) of annular is equipped with, the outer wall of shroud sleeve (3) is circumferentially provided with the positioning boss (3-1) of annular, limit
Position inner convex platform (2-1) is located between spacing outer lug boss (1-1-2) and positioning boss (3-1), and plug-locking nut (2) is convex at three
It is axially moveable under the restriction of platform.
6. a kind of high-pressure connection line for electric device maintenance as claimed in claim 5, it is characterised in that：Described positioning
Screw hole (3-4) is provided with through shroud sleeve (3) on boss (3-1), shielded plug (1) passes through after being connected with shroud sleeve (3)
Fastening screw (3-5) is fastened.
7. a kind of high-pressure connection line for electric device maintenance as claimed in claim 1, it is characterised in that：Described protection
The internal diameter and length of the shroud sleeve wrapping portion (5-1) of sleeve (5) and the external diameter of shroud sleeve (3) positioning boss (3-1) and
Width is matched, and the positioning boss (3-1) of shroud sleeve (3) is located in shroud sleeve wrapping portion (5-1).
8. a kind of high-pressure connection line for electric device maintenance as described in claim 1-7 is arbitrary, it is characterised in that：It is described
Shroud sleeve (3) and shielded joint (4) as the extension of the external shielding layer (15) of high-voltage connection, realize full-shield.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410853963.6A CN104483518B (en) | 2014-12-31 | 2014-12-31 | High-voltage connection line used for electrical equipment detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410853963.6A CN104483518B (en) | 2014-12-31 | 2014-12-31 | High-voltage connection line used for electrical equipment detection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104483518A CN104483518A (en) | 2015-04-01 |
| CN104483518B true CN104483518B (en) | 2017-05-17 |
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| CN201410853963.6A Active CN104483518B (en) | 2014-12-31 | 2014-12-31 | High-voltage connection line used for electrical equipment detection |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105301297B (en) * | 2015-11-30 | 2018-01-02 | 杭州西湖电子研究所 | A kind of end shield junction box with double shield function |
| CN107576826A (en) * | 2017-09-26 | 2018-01-12 | 杭州西湖电子研究所 | A kind of external shield cable connector component |
| CN107807258B (en) * | 2017-09-26 | 2023-04-28 | 杭州西湖电子研究所 | Cable connector with double shielding function |
| 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 |
| CN114242409A (en) * | 2021-10-26 | 2022-03-25 | 保定天威保变电气股份有限公司 | Lockable flexible and direct transformer lead wire pressure equalizing pipe joint structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5308264A (en) * | 1993-04-15 | 1994-05-03 | United Technologies Corporation | Modular backshell interface system |
| JP2000111573A (en) * | 1998-09-30 | 2000-04-21 | Nippon Seiki Co Ltd | Connecting structure for instrument body |
| US6407542B1 (en) * | 2000-03-23 | 2002-06-18 | Avaya Technology Corp. | Implementation of a multi-port modal decomposition system |
| CN2473782Y (en) * | 2001-03-20 | 2002-01-23 | 翁胜嘉 | Coaxial cable connector having high clipping force |
| US6933713B2 (en) * | 2004-01-26 | 2005-08-23 | Agilent Technologies, Inc. | High bandwidth oscilloscope probe with replaceable cable |
| US8021181B2 (en) * | 2006-03-09 | 2011-09-20 | John Mezzalingua Associates, Inc. | Locking phono plug |
| CN101414721B (en) * | 2008-11-26 | 2010-09-15 | 中国核动力研究设计院 | Coaxial conductor joint |
| CN202094359U (en) * | 2010-11-30 | 2011-12-28 | 北京先华科技发展有限责任公司 | Novel high-voltage insulated connecting device |
| JP5024473B1 (en) * | 2011-06-15 | 2012-09-12 | オムロン株式会社 | connector |
| ES2445320T3 (en) * | 2011-12-21 | 2014-03-03 | 3M Innovative Properties Company | Terminal connection device for an electric cable |
| CN202840002U (en) * | 2012-11-07 | 2013-03-27 | 李�杰 | Wire joint |
| CN203479920U (en) * | 2013-05-19 | 2014-03-12 | 国家电网公司 | Special high-voltage testing device for transformers |
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