CN104483518A - High-voltage connection line used for electrical equipment detection - Google Patents
High-voltage connection line used for electrical equipment detection Download PDFInfo
- Publication number
- CN104483518A CN104483518A CN201410853963.6A CN201410853963A CN104483518A CN 104483518 A CN104483518 A CN 104483518A CN 201410853963 A CN201410853963 A CN 201410853963A CN 104483518 A CN104483518 A CN 104483518A
- Authority
- CN
- China
- Prior art keywords
- plug
- sleeve
- shielding
- voltage
- 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
Links
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, relate to a kind of high-pressure connection line used for power equipment surveying instrument.
Background technology
The detection carried out power transformer at present, part test item need apply high voltage, and other test items need apply low-voltage.Power transformer high pressure test item is mainly for its insulating property, and high pressure measure loop (mainly testing circuit and high-voltage connection) and periphery object or insulating property greatly, can detect high pressure and produce significant impact.Good disposal route is at the additional one deck of high pressure measure loop and high-tension measurement loop equipotential but the metal screen layer insulated, and high pressure is isolated low pressure or leakage greatly and measure loop.When carrying out high pressure test item, 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 of high-voltage power supply can be made to be difficult to obtain high-quality and reliable and stable operation duty; And high-pressure connection line needs to transmit the big current of the high pressure that lie prostrate of several ten thousand volts to hundreds of thousands and hundreds of ampere extremely a few kiloampere, its structure all has particular/special requirement with transmitting to be connected, therefore need to provide one can bear high voltage, big current, and high-voltage connection and the high-tension shielding joint of good shield effectiveness will be had.There is no in the market and be suitable for power transformer detection needs, the high-pressure connection line product possessing shielding character can for selecting.
Summary of the invention
The object of the invention is to provide a kind of high-pressure connection line used for power equipment surveying instrument.
The present invention includes high-voltage connection, high-tension shielding plug and fixture, one end of high-voltage connection is connected with high-tension shielding plug, and the other end is connected with fixture; Described high-voltage connection adopts the design of double shield layer, comprises heart yearn, inner insulating layer, high voltage shield, middle insulation course, external shielding layer, external insulation layer, protective seam from inside to outside respectively; In described high-voltage connection, heart yearn is metal wire, as hi-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 insulation course and external insulation layer are nonmetallic materials, and inner insulating layer is used for the insulation of heart yearn and high voltage shield, and middle insulation course is used for the insulation of high voltage shield and external shielding layer, and external insulation layer is used for the insulation protection of high-voltage connection entirety; Protective seam is nonmetallic materials, for the outer layer protection of high-voltage connection.
Described high-tension shielding plug comprises shielded plug, plug-locking nut, shroud sleeve, shielded joint, protection sleeve, lead-in wire are held sleeve tightly, held nut tightly.
Described shielded plug comprises plug body, insulating plug and high pressure contact pin; Plug body is the cylindrical shape of both ends open, and insulating plug is the right cylinder of elastomeric material, and insulating plug is arranged in plug body; High pressure contact pin is arranged through insulating plug, and the middle part of high pressure contact pin is fixed in insulating plug, and head stretches out insulating plug, is positioned at plug body as pin contact, and the afterbody of high pressure contact pin is as binding post.
Described plug-locking nut is the cylindrical shape of both ends open, and inwall has attacked locking internal thread, and plug-locking nut movable sleeve is placed in outside shielded plug, can move vertically in limited range.
Described shroud sleeve is the metallic cylinder of both ends open, and the top of shroud sleeve is connected with the lower thread of plug body.
Described shielded joint is cylindrical metal part, and centre has heart yearn perforation, and one end of shielded joint is welded on the afterbody of shroud sleeve, with shroud sleeve conducting.
Described protection sleeve is the nonmetal cylinder of both ends open, and inside is divided into shroud sleeve wrapping portion, shroud sleeve coupling part, lead-in wire to hold sleeve connection part tightly vertically successively; Wherein, shroud sleeve coupling part is connected with the lower thread of shroud sleeve, and after connecting, shroud sleeve wrapping portion is coated on outside shroud sleeve.
The nonmetal cylinder that sleeve is both ends open held tightly by described lead-in wire, and its top is held sleeve connection part tightly with the lead-in wire of protection sleeve and is threaded, and the outer wall of bottom is evenly divided into contraction sheet vertically; Hold nut tightly to be connected with the lower thread that sleeve held tightly by lead-in wire;
One end of high-voltage connection is held sleeve tightly through lead-in wire and is arranged, the cylindric external shielding layer that high-voltage connection one end separates welds with the other end of the shielded joint of high-tension shielding plug, boring a hole through the heart yearn of shielded joint in the end of heart yearn and the end of high voltage shield, and connects with the corresponding conducting of the binding post of two in wire connection cavity respectively; Hold nut post shrinkage sheet holds sleeve tightly radially-inwardly contraction along lead-in wire tightly, high-voltage connection is held tightly, avoids moving forward and backward.At the other end of high-voltage connection, two end pin of heart yearn and high voltage shield difference jockey, external shielding layer is unsettled.
Described shielded plug, insulating plug, shroud sleeve and shielded joint enclose wire connection cavity, and binding post is positioned at wire connection cavity.
Circumferentially have insulating plug mounting groove in described plug body, the outer wall of insulating plug is embedded in insulating plug mounting groove.
Described plug body outer wall is circumferentially provided with the spacing outer lug boss of annular, plug-locking nut inner wall is circumferentially provided with the spacing inner convex platform of annular, the outer wall of shroud sleeve is circumferentially provided with the positioning boss of annular, spacing inner convex platform is between spacing outer lug boss and positioning boss, and plug-locking nut is movable vertically under the restriction of three boss.
Described positioning boss runs through shroud sleeve and has screw hole, fastening by holding screw after shielded plug is connected with shroud sleeve.
External diameter and the width of the internal diameter of the shroud sleeve wrapping portion of described protection sleeve and length and shroud sleeve positioning boss mate, and the positioning boss of shroud sleeve is positioned at shroud sleeve wrapping portion.
Described shroud sleeve and shielded joint, as the extension of the external shielding layer of high-voltage connection, achieve full-shield.
During use, the pin contact of shielded plug inserts multicore high-tension terminal, complete conducting to connect, utilize plug-locking nut lock, make the fastening of high-tension shielding plug and multicore high-tension terminal, only need being connected on power equipment the high-voltage connection other end during wiring, thus realize the conducting of high pressure detection line and connect, and then complete, the applying of high-potting electric current, voltage low to bushing shell for transformer terminal, the collection etc. of signal.
The present invention can bear high voltage, big current, and there is good shield effectiveness, be connected with checkout equipment for high-voltage connection, ensure that the main process equipment of high-voltage power supply obtains high-quality and reliable and stable operation duty, avoid the high-pressure leakage of measure loop and the impact of experimental enviroment, ensure accuracy of detection.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present invention;
Fig. 2 is the schematic cross-section of mesohigh of the present invention lead-in wire;
Fig. 3 is the one-piece construction schematic 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 the structural representation that in Fig. 3, sleeve held tightly by protection sleeve and lead-in wire.
Embodiment
As shown in Figure 1, a kind of high-pressure connection line for electric device maintenance comprises 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 Figure 2, high-voltage connection I adopts double shield layer to design, and comprises heart yearn 11, inner insulating layer 12, high voltage shield 13, middle insulation course 14, external shielding layer 15, external insulation layer 16, protective seam 17 from inside to outside respectively; Wherein heart yearn 11 is metal wire, as hi-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 insulation course 14 and external insulation layer 16 is nonmetallic materials, as polyester etc., inner insulating layer 12 is for the insulation of heart yearn 11 with high voltage shield 13, middle insulation course 14 is for the insulation of high voltage shield 13 with external shielding layer 15, and external insulation layer 16 is for the insulation protection of high-voltage connection entirety; Protective seam 17 is nonmetallic materials, as polyester, rubber etc., for the outer layer protection of high-voltage connection.
As shown in Figure 3, high-tension shielding plug II comprises shielded plug 1, plug-locking nut 2, shroud sleeve 3, shielded joint 4, protection sleeve 5, lead-in wire hold sleeve 6 tightly, hold nut 7 tightly.
As shown in Figure 4, described shielded plug 1 comprises 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, insulating plug mounting groove 1-1-1 is circumferentially had in plug body 1-1, plug body 1-1 outer wall is circumferentially provided with the spacing outer lug boss 1-1-2 of annular, and plug body 1-1 outer wall bottom has been attacked and connected external thread 1-1-3.
Insulating plug 1-2 is the right 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, and the middle part of high pressure contact pin 1-3 is fixed in insulating plug 1-2, and head stretches out insulating plug 1-2, is positioned at plug body 1-1 as pin contact 1-3-1.
Described plug-locking nut 2 is the cylindrical shape of both ends open, and plug-locking nut 2 inwall is circumferentially provided with the spacing inner convex platform 2-1 of annular, and plug-locking nut 2 inwall has attacked locking internal thread 2-2; Plug-locking nut 2 movable sleeve is placed in 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, and the outer wall of shroud sleeve 3 is circumferentially provided with the positioning boss 3-1 of annular; The upper inside wall of shroud sleeve 3 is attacked and the connection internal thread 3-2 being connected external thread 1-1-3 and mating; Shroud sleeve external thread 3-3 has been attacked in the outer wall bottom of shroud sleeve 3; Positioning boss 3-1 runs through shroud sleeve 3 and have screw hole 3-4, fastening by holding screw 3-5 after shielded plug 1 is connected with shroud sleeve 3.
Described shielded joint 4 is cylindrical metal part, and centre has heart yearn perforation 4-1, and one end of shielded joint 4 is welded on the afterbody of shroud sleeve 3, with shroud sleeve 3 conducting.
As shown in Figure 6, shielded plug 1 is threaded by being connected external thread 1-1-3 and connecting internal thread 3-2 with shroud sleeve 3, shielded plug 1, insulating plug 1-2, shroud sleeve 3 and shielded joint 4 enclose wire connection cavity 8, and the afterbody of high pressure contact pin 1-3 is positioned at wire connection cavity 8 as binding post 1-3-2.
As shown in Figure 7, described protection sleeve 5 is the nonmetal cylinder of both ends open, and inside is divided into shroud sleeve wrapping portion 5-1, shroud sleeve coupling part 5-2 vertically successively, sleeve connection part 5-3 held tightly by lead-in wire; Wherein the external diameter of the internal diameter of shroud sleeve wrapping portion 5-1 and length and shroud sleeve 3 positioning boss 3-1 and width mate; The madial wall of shroud sleeve coupling part 5-2 attacks the protection sleeve internal thread 5-4 mated with shroud sleeve external thread 3-3, and protection sleeve 5 is threaded with shroud sleeve 3, and after connecting, the positioning boss 3-1 of shroud sleeve 3 is positioned at shroud sleeve wrapping portion 5-1.
The nonmetal cylinder that sleeve 6 is both ends open held tightly by described lead-in wire, and its top is threaded with protection sleeve 5, and the outer wall of bottom is evenly divided into vertically and shrinks sheet 6-1; Hold nut 7 tightly to be connected with the lower thread that sleeve 6 held tightly by lead-in wire, and screwing post shrinkage sheet 6-1 along the radially-inwardly contraction of holding sleeve 6 tightly that goes between, high-voltage connection being held tightly, prevents from moving forward and backward, realize fixation.
One end of high-voltage connection is held sleeve 6 tightly through lead-in wire and is arranged, and tightens and holds nut 7 tightly, avoids high-voltage connection to move forward and backward.The cylindric external shielding layer 15 that high-voltage connection separates welds with the other end of the shielded joint 4 of high-tension shielding plug, the heart yearn perforation 4-1 of shielded joint 4 is passed in heart yearn 11 end of high-voltage connection and the end of high voltage shield 13, and connects with the corresponding conducting of binding post 1-3-2 of two in wire connection cavity 8 respectively.Shroud sleeve 3 and shielded joint 4, as the extension of the external shielding layer 15 of high-voltage connection, realize full-shield.
At the other end of high-voltage connection, two end pin of heart yearn 11 and high voltage shield 13 difference jockey III, external shielding layer 15 is unsettled.Fixture III can adopt various ways, as electric power folder etc.
In using, the pin contact of shielded plug 1 inserts multicore high-tension terminal, complete conducting to connect, plug-locking nut 2 is utilized to lock, make the fastening of high-tension shielding plug and multicore high-tension terminal, only fixture III need be connected on power equipment during wiring, thus realize the conducting of high pressure detection line and connect, and then complete, the applying of high-potting electric current, voltage low to bushing shell for transformer terminal, the collection etc. of signal.Wherein, during low pressure measurement test, heart yearn 11 is as pressure-wire, and high voltage shield 13 is as current line, and external shielding layer 15 realizes function of shielding; During high-tension measurement test, heart yearn 11 is as hi-line, and high voltage shield 13 and external shielding layer 15 realize double shield effect, and high voltage shield 13 realizes high-tension shielding function, and external shielding layer 15 strengthens shielding action.
Claims (8)
1. for a high-pressure connection line for electric device maintenance, comprise high-voltage connection, high-tension shielding plug and fixture, one end of high-voltage connection is connected with high-tension shielding plug, and the other end is connected with fixture; It is characterized in that: described high-voltage connection adopts the design of double shield layer, comprises heart yearn (11), inner insulating layer (12), high voltage shield (13), middle insulation course (14), external shielding layer (15), external insulation layer (16), protective seam (17) from inside to outside respectively;
Described high-tension shielding plug comprises shielded plug (1), plug-locking nut (2), shroud sleeve (3), shielded joint (4), protection sleeve (5), lead-in wire are held sleeve (6) tightly, held nut (7) tightly;
Described shielded plug (1) comprises plug body (1-1), insulating plug (1-2) and high pressure contact pin (1-3); The cylindrical shape that plug body (1-1) is both ends open, the right cylinder that insulating plug (1-2) is elastomeric material, insulating plug (1-2) is arranged in plug body (1-1); High pressure contact pin (1-3) is arranged through insulating plug (1-2), the middle part of high pressure contact pin (1-3) is fixed in insulating plug (1-2), head stretches out insulating plug (1-2), be positioned at plug body (1-1) as pin contact (1-3-1), the afterbody of high pressure contact pin (1-3) is as binding post (1-3-2);
The cylindrical shape that described plug-locking nut (2) is both ends open, plug-locking nut (2) inwall has attacked locking internal thread (2-2), plug-locking nut (2) movable sleeve is placed in shielded plug (1) outward, can move vertically in limited range;
The metallic cylinder that described shroud sleeve (3) is both ends open, the top of shroud sleeve (3) is connected with the lower thread of plug body (1-1);
Described shielded joint (4) is cylindrical metal part, and centre has heart yearn perforation (4-1), and one end of shielded joint (4) is welded on the afterbody of shroud sleeve (3), with shroud sleeve (3) conducting;
The nonmetal cylinder that described protection sleeve (5) is both ends open, inside is divided into shroud sleeve wrapping portion (5-1), shroud sleeve coupling part (5-2), lead-in wire to hold sleeve connection part (5-3) tightly vertically successively; Wherein, shroud sleeve coupling part (5-2) is connected with the lower thread of shroud sleeve (3), and after connecting, shroud sleeve wrapping portion (5-1) is coated on shroud sleeve (3) outward;
The nonmetal cylinder that sleeve (6) is both ends open held tightly by described lead-in wire, its top and the lead-in wire of protection sleeve (5) are held sleeve connection part (5-3) tightly and are threaded, and the outer wall of bottom is evenly divided into vertically and shrinks sheet (6-1); Hold nut (7) tightly to be connected with the lower thread that sleeve (6) held tightly by lead-in wire;
One end of high-voltage connection is held sleeve (6) tightly through lead-in wire and is arranged, the cylindric external shielding layer (15) that high-voltage connection one end separates welds with the other end of the shielded joint (4) of high-tension shielding plug, boring a hole (4-1) through the heart yearn of shielded joint (4) in the end of heart yearn (11) and the end of high voltage shield (13), and connects with the corresponding conducting of two binding posts (1-3-2) in wire connection cavity (8) respectively; Hold nut (7) tightly and screw post shrinkage sheet (6-1) holds sleeve (6) tightly radially-inwardly contraction along lead-in wire, high-voltage connection is held tightly, avoids moving forward and backward;
At the other end of high-voltage connection, two end pin of heart yearn (11) and high voltage shield (13) difference jockey, external shielding layer (15) is unsettled.
2. a kind of high-pressure connection line for electric device maintenance as claimed in claim 1, is characterized in that: in described high-voltage connection, heart yearn (11) is metal wire, as hi-line; High voltage shield (13) is wire netting, realizes high-tension shielding; External shielding layer (15) is wire netting, strengthens function of shielding; Inner insulating layer (12), middle insulation course (14) and external insulation layer (16) are nonmetallic materials, inner insulating layer (12) is for the insulation of heart yearn (11) with high voltage shield (13), middle insulation course (14) is for the insulation of high voltage shield (13) with external shielding layer (15), and external insulation layer (16) is for the insulation protection of high-voltage connection entirety; Protective seam (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 characterized in that: described shielded 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 positioned at wire connection cavity (8).
4. a kind of high-pressure connection line for electric device maintenance as claimed in claim 1, it is characterized in that: circumferentially have insulating plug mounting groove (1-1-1) in described plug body (1-1), the outer wall of insulating plug (1-2) is embedded in insulating plug mounting groove (1-1-1).
5. a kind of high-pressure connection line for electric device maintenance as claimed in claim 1, it is characterized in that: described plug body (1-1) outer wall is circumferentially provided with the spacing outer lug boss (1-1-2) of annular, plug-locking nut (2) inwall is circumferentially provided with the spacing inner convex platform (2-1) of annular, the outer wall of shroud sleeve (3) is circumferentially provided with the positioning boss (3-1) of annular, spacing inner convex platform (2-1) is positioned between spacing outer lug boss (1-1-2) and positioning boss (3-1), plug-locking nut (2) is movable vertically under the restriction of three boss.
6. a kind of high-pressure connection line for electric device maintenance as claimed in claim 5, it is characterized in that: described positioning boss (3-1) runs through shroud sleeve (3) and has screw hole (3-4), fastening by holding screw (3-5) after shielded plug (1) is connected with shroud sleeve (3).
7. a kind of high-pressure connection line for electric device maintenance as claimed in claim 1; it is characterized in that: external diameter and the width of the internal diameter of the shroud sleeve wrapping portion (5-1) of described protection sleeve (5) and length and shroud sleeve (3) positioning boss (3-1) mate, and the positioning boss (3-1) of shroud sleeve (3) is positioned at shroud sleeve wrapping portion (5-1).
8. a kind of high-pressure connection line for electric device maintenance as described in as arbitrary in claim 1-7, it is characterized in that: 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 true CN104483518A (en) | 2015-04-01 |
| CN104483518B CN104483518B (en) | 2017-05-17 |
Family
ID=52758083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410853963.6A Active CN104483518B (en) | 2014-12-31 | 2014-12-31 | High-voltage connection line used for electrical equipment detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104483518B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105301297A (en) * | 2015-11-30 | 2016-02-03 | 杭州西湖电子研究所 | End shield junction box with double shielding 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 |
| CN107807258A (en) * | 2017-09-26 | 2018-03-16 | 杭州西湖电子研究所 | A kind of cable connector with double shield 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 |
Citations (12)
| 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 |
| CN2473782Y (en) * | 2001-03-20 | 2002-01-23 | 翁胜嘉 | Coaxial cable connector having high clipping force |
| US6407542B1 (en) * | 2000-03-23 | 2002-06-18 | Avaya Technology Corp. | Implementation of a multi-port modal decomposition system |
| US6933713B2 (en) * | 2004-01-26 | 2005-08-23 | Agilent Technologies, Inc. | High bandwidth oscilloscope probe with replaceable cable |
| CN101034780A (en) * | 2006-03-09 | 2007-09-12 | 约翰·麦扎林格瓦联合股份有限公司 | Plug for locking shielded cable |
| CN101414721A (en) * | 2008-11-26 | 2009-04-22 | 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 |
| 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 |
| CN103797652A (en) * | 2011-06-15 | 2014-05-14 | 欧姆龙株式会社 | Connector |
| CN104115358A (en) * | 2011-12-21 | 2014-10-22 | 3M创新有限公司 | Terminal connection device for a power cable |
-
2014
- 2014-12-31 CN CN201410853963.6A patent/CN104483518B/en active Active
Patent Citations (12)
| 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 |
| CN101034780A (en) * | 2006-03-09 | 2007-09-12 | 约翰·麦扎林格瓦联合股份有限公司 | Plug for locking shielded cable |
| CN101414721A (en) * | 2008-11-26 | 2009-04-22 | 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 |
| CN103797652A (en) * | 2011-06-15 | 2014-05-14 | 欧姆龙株式会社 | Connector |
| CN104115358A (en) * | 2011-12-21 | 2014-10-22 | 3M创新有限公司 | Terminal connection device for a power 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 |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105301297A (en) * | 2015-11-30 | 2016-02-03 | 杭州西湖电子研究所 | End shield junction box with double shielding 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 |
| CN107807258A (en) * | 2017-09-26 | 2018-03-16 | 杭州西湖电子研究所 | A kind of cable connector with double shield function |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104483518B (en) | 2017-05-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104483518A (en) | High-voltage connection line used for electrical equipment detection | |
| CN102436897A (en) | Flexible Rogowski coil used for detecting direct-current system short-circuit current and method for designing same | |
| CN104089569B (en) | Multifunctional transformer signal sensor based on capacitive coupling and signal acquisition method | |
| KR20130023130A (en) | Plug-in bushing and method of testing for withstanding voltage | |
| CN103267934B (en) | A kind of Portable direct current test discharging rod | |
| CN106840456A (en) | Generating set oil groove dedicated temperature sensor | |
| JP2020535435A5 (en) | ||
| CN204361357U (en) | A kind of high-tension shielding plug | |
| CN103050240B (en) | A kind of Transformer Bushing Tap signal ejector | |
| CN107831338B (en) | Cable joint assembly with double shielding function | |
| CN203721919U (en) | Grounding wire used for cable plugging head of box type transformer | |
| CN207490219U (en) | A kind of electrical connector plug | |
| CN211351045U (en) | Cable shielding grounding combined sealing ring for metal stuffing box of marine junction box | |
| CN202711940U (en) | High voltage sleeve pipe for current transformer | |
| CN209516450U (en) | Gas-insulated pipeline with insulation connection structure | |
| CN204065164U (en) | A kind of high voltage multipole multimode switching device shifter | |
| CN205178409U (en) | Insulated wire jacket | |
| CN203287474U (en) | Portable-type direct-current test discharge rod | |
| CN107807258B (en) | Cable connector with double shielding function | |
| CN204030539U (en) | Battery cable joint protective sleeve | |
| CN203800188U (en) | 10kV handcart switch cabinet bus static contact special-purpose grounding device | |
| CN207426305U (en) | External shield cable connector component | |
| CN105301297A (en) | End shield junction box with double shielding function | |
| CN206059788U (en) | A kind of semi-rigid triaxial cable adapter | |
| CN104897947B (en) | A kind of high pressure difference measurement apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |