CN106024223B - High-tension switch cabinet and its detachable shielding molded cannula - Google Patents
High-tension switch cabinet and its detachable shielding molded cannula Download PDFInfo
- Publication number
- CN106024223B CN106024223B CN201610516034.5A CN201610516034A CN106024223B CN 106024223 B CN106024223 B CN 106024223B CN 201610516034 A CN201610516034 A CN 201610516034A CN 106024223 B CN106024223 B CN 106024223B
- Authority
- CN
- China
- Prior art keywords
- conductive
- shielding
- conductive pole
- shielding cylinder
- sleeve
- 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.)
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Links
- 238000009413 insulation Methods 0.000 claims abstract description 47
- 238000007789 sealing Methods 0.000 claims abstract description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 13
- 239000010949 copper Substances 0.000 claims description 13
- 229910052802 copper Inorganic materials 0.000 claims description 13
- 239000007921 spray Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000012212 insulator Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/56—Insulating bodies
- H01B17/58—Tubes, sleeves, beads, or bobbins through which the conductor passes
- H01B17/583—Grommets; Bushings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/56—Insulating bodies
- H01B17/64—Insulating bodies with conductive admixtures, inserts or layers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
Abstract
It is detachable between shielding molded cannula and conductive pole to realize the invention provides high-tension switch cabinet and its detachable shielding molded cannula.The detachable shielding molded cannula, including the shielding cylinder in insulation body and insulation tube body, the conductive sleeve for being used for turning on shielding cylinder and conductive pole is provided with insulation tube body, the conductive sleeve includes being used for the outer surface for being adjacent to shielding cylinder inwall and the inwall for being adjacent to conductive outer surface of column, and shielding cylinder and conductive sleeve are equipped with the hole passed through for conductive pole.Conductive pole is inserted directly into the equipotential that can be achieved in insulation tube body in conductive pole and insulation tube body between shielding cylinder, realize the detachable of conductive pole and sleeve pipe, other structures such as shielded lead need not additionally be increased conducting can be achieved, install simple and convenient, and conductive sleeve wall thickness is smaller, the size of conductive pole will not be had an impact.Conductive sleeve, shielding cylinder and conductive pole three realize close-fitting contact, and conductive sleeve also plays the effect of sealing while conduction.
Description
Technical field
The present invention relates to field of electrical equipment, more particularly to high-tension switch cabinet and its detachable shielding molded cannula.
Background technology
The insulating parts such as sleeve pipe, contact box, insulator are generally equipped with inside high-tension switch cabinet, each insulating part forms high pressure
The indispensable part of switch cubicle, its middle sleeve play insulation and realize major loop electric-conductor and electricity inside high-tension switch gear
The effect connected between cable.Sleeve pipe when in use, due to the outer surface of conductive pole passed through do not accomplish in processing it is smooth,
Air gap is easily formed between conductive pole and insulation body, the concentration of electric field can be caused, conductive pole has point discharge or small―gap suture is put
Electricity phenomenon, longtime running can cause insulation body aging, eventually result in insulation body it is breakdown, potential risk be present.
Application publication number disclosed in 29 days October in 2014 is that the A of CN 104124652 Chinese invention patent discloses one
Kind insulating sleeve of the high-tension switch cabinet with shielding construction, described insulating sleeve include shielded tube, set in the wall of shielded tube
External shielding layer is put, is lined with internal shield in shielded tube inner surface, with external shield sleeve pipe relative position, external shielding layer includes aluminium
Net, semi-conductive shielding material coat is equipped with the surfaces externally and internally of aluminium net；The internal shield includes aluminum barrel, in the outer of aluminum barrel
Surface is provided with semi-conductive shielding material coat；One end of shielded lead is connected with high-pressure conductive busbar, shielded lead
The other end is connected with the aluminum barrel.
Above-mentioned insulating sleeve can realize conductive pole and shield the equipotential between internal shield, avoid point discharge
With the phenomenon of small―gap suture electric discharge.But it is to rely on shielded lead to be attached, it is necessary to lead between screen layer and conductive pole
Increase the extra attachment structure being connected with shielded lead on electric post and internal shield, the aluminum barrel edge screen set on internal shield
Extending radially inwardly for sleeve pipe is covered, for being connected with shielded lead, the aluminum barrel to extend internally makes to supply conductive pole in insulating sleeve
The space passed through reduces, and makes the conductive column section reduction through insulating sleeve, and in order to ensure that conductive pole has enough through-flow energy
Power, the external diameter of insulating sleeve can only be increased, cause the size of insulating sleeve larger, installation is inconvenient, also results in switch cabinet
Sleeve pipe mounting hole increase on body, add the difficulty of sealing.And there is no sealing structure to seal in above-mentioned insulating sleeve
Annular clearance between internal shield and conductive pole, it is impossible to play a part of sealing to the gas in switch cubicle, insulating sleeve with
It is non-dismountable between conductive pole, once aging, the set that can only could be more renewed by old sleeve pipe is dismantled in switch cubicle occur for sleeve pipe
Pipe, operation inconvenience.
The content of the invention
It is an object of the invention to provide high-tension switch cabinet and its detachable shielding molded cannula, to realize shielding molded cannula
It is detachable between conductive pole.
To achieve the above object, the technical scheme of the detachable shielding molded cannula of the present invention is：Detachable shielding jacket
Shielding cylinder in pipe, including insulation body and insulation tube body, it is provided with insulation tube body and is used to turning on leading for shielding cylinder and conductive pole
Electricity set, the conductive sleeve include being used for the outer surface for being adjacent to shielding cylinder inwall and the inwall for being adjacent to conductive outer surface of column, screen
Cover cylinder and conductive sleeve is equipped with the hole passed through for conductive pole.
The beneficial effect of detachable shielding molded cannula of the present invention is：The conductive sleeve and shielding cylinder set in insulation tube body
Inwall be adjacent to, the inwall of conductive sleeve and the outer surface of conductive pole are adjacent to, in use, conductive pole is inserted directly into insulation tube body i.e.
The equipotential between shielding cylinder in conductive pole and insulation tube body can be achieved, realize the detachable of conductive pole and sleeve pipe, it is not necessary to
Conducting can be achieved in other structures such as extra increase shielded lead, and installation is simple and convenient, and conductive sleeve wall thickness is smaller, no
The size of conductive pole can be had an impact.Conductive sleeve realizes close-fitting contact, conductive sleeve with shielding cylinder and conductive pole three
The effect of sealing is also played while conduction.
The technical scheme of high-tension switch cabinet of the present invention is：High-tension switch cabinet, including cabinet, the cabinet are provided with sleeve pipe
Jack, detachable shielding molded cannula is equipped with sleeve hub, and detachable shielding molded cannula includes insulation body and insulation
Shielding cylinder in body, insulation tube body is interior to be provided with the conductive sleeve for being used for turning on shielding cylinder and conductive pole, and the conductive sleeve includes using
In the outer surface for being adjacent to shielding cylinder inwall and inwall for being adjacent to conductive outer surface of column, shielding cylinder and conductive sleeve are equipped with for leading
The hole that electric post passes through.
The beneficial effect of high-tension switch cabinet of the present invention is：The conductive sleeve and the inwall of shielding cylinder set in insulation tube body pastes
Tightly, the inwall of conductive sleeve and the outer surface of conductive pole are adjacent to, and can be achieved to lead in use, conductive pole is inserted directly into insulation tube body
Equipotential in electric post and insulation tube body between shielding cylinder, realize the detachable of conductive pole and sleeve pipe, it is not necessary to extra increase
Conducting can be achieved in other structures such as shielded lead, and installation is simple and convenient, and conductive sleeve wall thickness is smaller, will not be to conduction
The size of post has an impact.Conductive sleeve realizes close-fitting contact with shielding cylinder and conductive pole three, and conductive sleeve is in conduction
The effect of sealing is also played simultaneously.
Brief description of the drawings
Fig. 1 is the schematic diagram of the detachable shielding molded cannula embodiment of the present invention；
Fig. 2 is the detachable shielding molded cannula embodiment using renderings of the present invention；
Fig. 3 is the schematic diagram of housing and ground connection copper post riveting parts in the detachable shielding molded cannula embodiment of the present invention.
Embodiment
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
The specific embodiment of the detachable shielding molded cannula of the present invention, as shown in Figure 1 to Figure 3.Wherein 1 is insulation tube
Body, 2 be shielding cylinder, and 3 be seal, and 4 be housing and ground connection copper post riveting parts.In the present embodiment, insulation body 1, shielding cylinder
2nd, housing and the formed by integrally casting of ground connection copper post riveting parts 4, avoiding insulating between body 1 and shielding cylinder 2 produces gap, in shielding cylinder
2 one end is provided with seal 3, and seal is used for closed shield cylinder and the annular space through the conductive pole 5 of shielding cylinder.Seal
3 can play a part of gas in moistureproof and sealed switch cabinet.In the present embodiment, seal is step structure, stepped close
In the first seal section insertion shielding cylinder of sealing, for the annular space between closed shield cylinder and conductive pole, the insertion of the second seal section
In insulation tube body, for the annular space between sealed insulation body and conductive pole, seal is designed as step structure, be in order to
Strengthen the effect of sealing.Big endoporus is opened up in the upper one end in switch cubicle of insulation body, is easily installed seal.This reality
Apply in example, seal is elastic insulated material, the first seal section surface spraying semiconductive layer of seal, sprays the first of semiconductive layer
Seal section constitutes conductive sleeve, and the outer surface of the inwall and conductive pole 5 of conductive sleeve is adjacent to, the outer surface of conductive sleeve and shielding cylinder
2 inwall is adjacent to, and is realized connecting for conductive pole 5 and shielding cylinder 2, both is in equipotential.Due to shielding cylinder and insulation tube
Body is integrally machined, and is not in the situation of point discharge and gap discharge in conducting process, between insulation body and shielding cylinder.
The use figure of detachable shielding molded cannula is illustrated in figure 2, wherein 5 be conductive pole, 6 be switch cabinet body, and 7 are
Insulator, 8 be the step outside insulation tube body.Step 8 outside insulation tube body coordinates with the block of switch cabinet body 6, in step
Axial one end increase pressing plate, pressing plate is fixed on switch cabinet body by blending bolt or other fasteners, makes insulation body
It is fixed on the cabinet of switch cubicle.In use, sealing structure is set between switch cubicle and the step of sleeve pipe.Conductive pole 5 is fixed
On insulator 7, the position of conductive pole 5 is remained stationary as, it is necessary to during more casing replacing, it is only necessary to extracts sleeve pipe.This practicality
New detachable shielding molded cannula, sleeve pipe and conductive pole can separate, and realize detachably, conductive pole is integral type knot
Structure, without joint, the problem of being not in temperature rise.Housing and ground connection copper post riveting parts are arranged on switch cubicle and connect with insulation body
At radial position where contacting surface, prevent from making insulation pipe volume tire out substantial amounts of electric charge when the voltage of conductive pole is excessive, make insulation
Potential difference is formed between body and switch cabinet body, makes the cabinet of switch cubicle powered.
Fig. 3 is the schematic diagram of housing and ground connection copper post riveting parts in the present embodiment, wherein, 9 be housing, and 10 be ground connection
Copper post, 11 be locating rod, and locating rod 11 positions in pouring molding to housing and ground connection copper post.
In use, seal is inserted into insulation inboard wall of tube body, the riveting parts of housing and ground connection copper post are inlayed into insulation
In the tube wall of body, finally, the sleeve pipe connected is arranged on conductive pole, sealing is placed between step and switch cabinet body
Part, cover pressing plate, sleeve pipe be fixed on switch cabinet body with fasteners such as bolts, ensure during installation seal and conductive pole it
Between conducting.
In the other embodiment of the detachable shielding molded cannula of the present invention, housing and ground connection copper post can be added with split
Work.
In the other embodiment of the detachable shielding molded cannula of the present invention, insulation body and shielding cylinder can be added with split
Work, interference fit installation during installation, guarantee will not produce gap between the two.
The embodiment of the switch cubicle of the present invention, including detachable shielding molded cannula, its structure with it is above-mentioned detachable
The structure of shielding molded cannula is consistent, and its content will not be repeated here.
Claims (4)
1. the shielding cylinder in detachable shielding molded cannula, including insulation body and insulation tube body, it is characterised in that：Insulate body
Interior to be provided with the conductive sleeve for being used for turning on shielding cylinder and conductive pole, the conductive sleeve includes being used for the outer surface for being adjacent to shielding cylinder inwall
With the inwall for being adjacent to conductive outer surface of column, shielding cylinder and conductive sleeve are equipped with the hole passed through for conductive pole, the shielding cylinder
One end be provided with seal, the seal includes the first seal section for closed shield cylinder and conductive pole annular space and for close
The second seal section of conductive pole and the body annular space that insulate is sealed, the first seal section external diameter is less than the second seal section external diameter, and this is close
Sealing is step structure, and the first seal section outer surface is coated with semiconductive layer, sprays the first seal section i.e. structure of semiconductive layer
Into described conductive sleeve.
2. detachable shielding molded cannula according to claim 1, it is characterised in that：It is provided with and connects in the tube wall of insulation body
Ground housing, the insulation body section radial outside where the earth shield set, which is provided with, to be used to match somebody with somebody with block on the outside of switch cabinet body
The step of conjunction, the earth shield set are connected with ground connection copper post, and it is external that the ground connection copper post extends radially out insulation tube.
3. high-tension switch cabinet, including cabinet, the cabinet is provided with sleeve hub, and detachable shielding is equipped with sleeve hub
Molded cannula, detachable shielding molded cannula include the shielding cylinder in insulation body and insulation tube body, it is characterised in that：Insulate body
Interior to be provided with the conductive sleeve for being used for turning on shielding cylinder and conductive pole, the conductive sleeve includes being used for the outer surface for being adjacent to shielding cylinder inwall
With the inwall for being adjacent to conductive outer surface of column, shielding cylinder and conductive sleeve are equipped with the hole passed through for conductive pole, the shielding cylinder
One end be provided with seal, the seal includes the first seal section for closed shield cylinder and conductive pole annular space and for close
The second seal section of conductive pole and the body annular space that insulate is sealed, the first seal section external diameter is less than the second seal section external diameter, and this is close
Sealing is step structure, and the first seal section outer surface is coated with semiconductive layer, sprays the first seal section i.e. structure of semiconductive layer
Into described conductive sleeve.
4. high-tension switch cabinet according to claim 3, it is characterised in that：Earth shield is provided with the tube wall of insulation body
Set, the insulation body section radial outside where the earth shield set are provided with the platform for being used for coordinating with block on the outside of switch cabinet body
Rank, the earth shield set are connected with ground connection copper post, and it is external that the ground connection copper post extends radially out insulation tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610516034.5A CN106024223B (en) | 2016-07-04 | 2016-07-04 | High-tension switch cabinet and its detachable shielding molded cannula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610516034.5A CN106024223B (en) | 2016-07-04 | 2016-07-04 | High-tension switch cabinet and its detachable shielding molded cannula |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106024223A CN106024223A (en) | 2016-10-12 |
| CN106024223B true CN106024223B (en) | 2017-11-28 |
Family
ID=57106263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610516034.5A Active CN106024223B (en) | 2016-07-04 | 2016-07-04 | High-tension switch cabinet and its detachable shielding molded cannula |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106024223B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205789340U (en) * | 2016-07-04 | 2016-12-07 | 许继集团有限公司 | A kind of high-tension switch cabinet and detachable shield type sleeve pipe thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202178506U (en) * | 2011-08-22 | 2012-03-28 | 浙江雷安电气有限公司 | High-voltage switch cabinet casing pipe |
| KR101720479B1 (en) * | 2014-02-05 | 2017-03-27 | 에이비비 테크놀로지 리미티드 | Condenser core |
| CN103825233A (en) * | 2014-03-07 | 2014-05-28 | 解文 | High-voltage bus and method for improving current-carrying capability of high-voltage bus |
| JP2016213976A (en) * | 2015-05-11 | 2016-12-15 | 住友電装株式会社 | Electric wire protection member |
-
2016
- 2016-07-04 CN CN201610516034.5A patent/CN106024223B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205789340U (en) * | 2016-07-04 | 2016-12-07 | 许继集团有限公司 | A kind of high-tension switch cabinet and detachable shield type sleeve pipe thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106024223A (en) | 2016-10-12 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 1298 Xuchang City, Henan province 461000 XJ Avenue Patentee after: XJ Group Corp. Patentee after: Xuji delischer Electric Co.,Ltd. Patentee after: STATE GRID CORPORATION OF CHINA Address before: No. 1298 Xuchang City, Henan province 461000 XJ Avenue Patentee before: XJ Group Corp. Patentee before: XUCHANG XUJI DRIESCHER WEGBERG ELECTRIC Co.,Ltd. Patentee before: State Grid Corporation of China |
|
| CP01 | Change in the name or title of a patent holder |