CN104577857B - Full-insulated full-sealed solid cabinet fuse unit - Google Patents
Full-insulated full-sealed solid cabinet fuse unit Download PDFInfo
- Publication number
- CN104577857B CN104577857B CN201410796384.2A CN201410796384A CN104577857B CN 104577857 B CN104577857 B CN 104577857B CN 201410796384 A CN201410796384 A CN 201410796384A CN 104577857 B CN104577857 B CN 104577857B
- Authority
- CN
- China
- Prior art keywords
- fuse unit
- fuse
- full
- chutes
- inlet 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.)
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- 239000007787 solid Substances 0.000 title claims abstract description 18
- 238000009413 insulation Methods 0.000 claims description 28
- 230000000712 assembly Effects 0.000 claims description 15
- 238000000429 assembly Methods 0.000 claims description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 239000004020 conductor Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 abstract 3
- 238000010276 construction Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 13
- 230000005684 electric field Effects 0.000 description 6
- 230000006872 improvement Effects 0.000 description 6
- 230000005494 condensation Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/22—Intermediate or auxiliary parts for carrying, holding, or retaining fuse, co-operating with base or fixed holder, and removable therefrom for renewing the fuse
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/38—Means for extinguishing or suppressing arc
Abstract
The invention discloses full-insulated full-sealed solid cabinet fuse unit, including cylinder, connecting portion, guiding parts is installed with the inner chamber of cylinder, some pilot holes are offered on guiding parts, at least one dot matrix rod that can be moved axially along pilot hole is provided with each pilot hole, elastomeric element or the relative magnetic part of homopolarity are additionally provided with the inner chamber of cylinder, one end of elastomeric element or magnetic part contacts with the inner cavity top of cylinder, the other end contacts with dot matrix rod, when not working, the upper end of dot matrix rod in the presence of the relative magnetic part of elastomeric element or homopolarity top pressure in the upper surface of guiding parts；This product is simple in construction, cost is cheap, stable working state is reliable, save space, the fastener dismounting of different size all is covered to come in, and requirement can be reached, in terms of other instruments are coordinated, standard interface can also be applicable existing almost all of electric wrench, pneumatic impact spanner, the connecting portion of manual wrench, so as to improve its application and adaptability.
Description
Technical field
The present invention relates to high-voltage electrical equipment, more particularly, to the solid-state insulated switchgear in high voltage electric appliance.
Background technology
As national grid promotes putting more effort for solid insulation switch product, the solid insulation of in the market production in recent years
The producer of product is gradually more and more, but the on-load switch combined electrical apparatus unit of product causes solid exhausted there are still many defects
The reason for edge on-load switch combined electrical apparatus unit problem, is fuse unit, main existing for existing in the market solid cabinet fuse unit product
Problem is as follows：
1st, the auxiliary earth of fuse unit uses air insulation, causes small product size big, complicated, and Electric Field Distribution is difficult to
It is even, and auxiliary earth knife does not have hermetically sealed, is easily influenceed by dust, steam and condensation.
2nd, auxiliary earth using transformer oil insulation, structure is also complicated, in assembling process, to spend the very big time and
Manpower handle sealing property the problem of, and oil-insulation influenceed by temperature it is bigger, once sealing and oil go wrong, will
Fatefulue infringement is caused to product and product cannot be used for severe cold area.
3rd, when fuse cover is installed, fuse does not support in fuse unit, easily causes fuse not in place after installing
With fuse and Mume flower contact loose contact, it need to repeatedly extract out and install again,
4th, the insulation mode between fuse cover and fuse unit electric-conductor, using the extruding insulation mode of circle, this mode
Great efforts are extruded, installation is laborious, exists after installation between fuse cover and fuse unit and extrudes uneven interface, such interface exists
Product can produce big partial discharge when running, and belong to bubble electric discharge type, and long-term electric discharge makes product insulating part quick aging, product length
Potential safety hazard be present in phase operation.
5th, fuse unit using right angle setting and tilts installation, although saving space, this kind of mounting means, is run in product
When or installation and when changing fusion tube, because condensation and the moist steam for accumulating in fuse unit installation port can be flowed into inside fuse unit,
Be not easy to be therefore easily perceived by humans and find, caused by electric insulation and product safety accident.
6th, in application scheme, can only the European cable connector of single use or American cable connector, unless driving more cover dies
Tool, otherwise can not meet the requirement of different regions user.
The content of the invention
In view of the above-mentioned problems, the invention provides a kind of small volume, and can meets the Standard and uniformly of auxiliary earth
Electric Field Distribution, good insulating, fully closed solid cabinet fuse unit easy for installation.
The present invention is that technical scheme is used by solving its technical problem：
Full-insulated full-sealed solid cabinet fuse unit, including fuse unit body, installed in the intrinsic fuse of fuse unit, with
Pole connected inlet wire port, outlet cable sleeve pipe and fuse unit cap assemblies, it is characterised in that：Also include ground connection arc-chutes, institute
Inlet wire port, outlet cable sleeve pipe and ground connection arc-chutes are stated to be encapsulated on fuse unit body and form three separate spaces, wherein,
The inlet wire port is electrically connected with fuse one end, conductor and ground connection arc-chutes and fuse in the outlet cable sleeve pipe
The other end is electrically connected with.
As the further improvement of such scheme, the fuse is arranged in fuse unit body by a spacing bracket.
As the further improvement of such scheme, the spacing bracket is provided with air towards one end of fuse unit cap assemblies
Insulate the double insulating structure being combined with extruding insulation.
As the further improvement of such scheme, the both ends of the spacing bracket are respectively arranged with fuse clip and locking bullet
Spring, the spacing bracket are additionally provided with the conducting block that can be electrically connected with inlet wire port, the limit towards one end of inlet wire port
Position bracket is electrically connected towards the fuse clip of fuse unit cap assemblies one end by a connection contact with the cable in outlet cable sleeve pipe
Connect.
As the further improvement of such scheme, connected between the ground connection arc-chutes and connection contact by a copper bar,
The copper bar sealing is in fuse unit body.
Further, the fuse unit cap assemblies are arranged on the end face of extruding insulation structure.
As the further improvement of such scheme, the fuse unit cap assemblies are driven to mechanism after including fuse tripping operation
The push rod of tripping operation.
As the further improvement of such scheme, the extruding insulation structure is oval extruding insulation structure.
The beneficial effects of the invention are as follows：The auxiliary earth of the full-insulated full-sealed solid cabinet fuse unit of the present invention using technology into
Ripe arc-chutes are grounded, and can realize small size and hermetically sealed requirement, make auxiliary earth with arc-chutes, degree of protection reaches
IP67, and do not influenceed by ambient temperature；And inlet wire port, outlet cable sleeve pipe and ground connection arc-chutes form three independent skies
Between, structural Electric Field Distribution is uniform, and three parts will not influence each other, and solves product Electric Field Distribution inequality and causes partial discharge big
The problem of；
In addition, fuse is supported and is oriented to using spacing bracket when installing, fuse unit is directly pushed into during installation, behaviour
It is simple, easy to make, and operating physical force is small, can guarantee that electric-conductor contact is good；
In addition, the installation port of fuse uses the double insulating structure that air insulation is combined with extruding insulation, solve
Only with extruding insulation it is uneven caused by bubble electric discharge the problem of.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly described.Obviously, described accompanying drawing is the part of the embodiment of the present invention, rather than is all implemented
Example, on the premise of not paying creative work, other that can also be obtained according to these accompanying drawings are set those skilled in the art
Meter scheme and accompanying drawing：
Fig. 1 is front section view of the embodiment of the present invention；
Fig. 2 is A-A directions of the present invention from sectional view；
Fig. 3 is the chassis plane schematic diagram after present invention installation fuse；
Fig. 4 is the structural representation of support of the present invention.
Embodiment
1 ~ Fig. 4 of reference picture, full-insulated full-sealed solid cabinet fuse unit of the invention, including fuse unit body 1, installed in molten
Fuse 2 in silk cylinder body 1, the inlet wire port 3 being connected with pole, outlet cable sleeve pipe 4, fuse unit cap assemblies 5 and it is grounded
Vacuum interrupter 6, auxiliary earth are grounded using the vacuum interrupter of technology maturation, can realize fuse unit small size and complete close
The requirement of envelope can with when degree of protection reach IP67, and do not influenceed by ambient temperature, and the inlet wire port 3, go out
Line cable sleeve 4 and ground connection arc-chutes 6 are encapsulated on fuse unit body 1 and form three separate spaces, can make structural electric field
It is evenly distributed, three parts will not influence each other, and solve the problems, such as that product Electric Field Distribution is uneven and causes partial discharge big；Wherein,
The metal joint of the inlet wire port 3 is encapsulated in fuse unit body 1, and the metal joint is connected to by a copper bar and fuse
On the Mume flower contact 11 that 2 one end are electrically connected with, the Mume flower contact 11 is fixed on the inside of fuse unit body 1；The outlet electricity
Conductor and ground connection arc-chutes 6 in cable sleeve pipe 4 are electrically connected with the other end of fuse 2.
During in order to solve the installation of fuse cover, fuse does not support in fuse unit, after easily causing fuse to be installed
Not in place and fuse and Mume flower contact loose contact, need to repeatedly extract out and install again, the fuse 2 passes through a spacing bracket 7
In fuse unit body 1, the spacing bracket 7 sets gradually free from inside to outside towards one end of fuse unit cap assemblies 5
Draw last breath the double insulating structure that edge 75 is combined with extruding insulation 74, only with extruding insulation it is uneven caused by bubble electric discharge
The problem of, using the epoxy resin air insulation of umbrella, extruding insulation 74 squeezed air insulation 75 using ellipse in the present embodiment
Insulation system is pressed, it is smaller that dynamics is extruded when the structure is installed；The fuse unit cap assemblies 5 are arranged on the end of extruding insulation structure
Face, support and be oriented to using mounting bracket during installation, be directly pushed into fuse unit, one-time-reach-place, electric conductivity is good.
With further reference to Fig. 3, the both ends of the spacing bracket 7 are respectively arranged with fuse clip 71 and locking spring 72, described
Spacing bracket 7 is additionally provided with the conducting block 73 that can be electrically connected with inlet wire port 3 towards one end of inlet wire port 3, described spacing
Bracket 7 passes through a connection contact 76 and the cable electricity in outlet cable sleeve pipe 4 towards the fuse clip 71 of the one end of fuse unit cap assemblies 5
Property connection.
With further reference to Fig. 2, connected between the ground connection arc-chutes 6 and connection contact 76 by a copper bar 8, the copper bar
8 sealings avoid producing shelf depreciation in fuse unit body 1.
In order to further improve the promptness of solid cabinet action, security performance is improved, the fuse unit cap assemblies 5 are also set up
There is a fuse to be driven the push rod 9 to mechanism tripping operation after tripping.
In addition, fuse unit in solid cabinet using being horizontally mounted, condensation and moist accumulation under gravity, fuse
Cylinder installation port moisture content can be flowed away from outside, may not flow into inside fuse unit, can prevent operation when or installation and change fusion tube
When because moisture content flow into caused by electric insulation and product safety accident.
In addition, the cable sleeve on fuse unit with cable connection realizes processing using the mode of same mold conversion sliding block
Into American sleeve pipe or European sleeve pipe, arrester, solve the customer requirement of different regions, save production cost.
Above is the preferable implementation to the present invention is illustrated, but the invention is not limited to the implementation
Example, those skilled in the art can also make a variety of equivalent variations on the premise of without prejudice to spirit of the invention or replace
Change, these equivalent deformations or replacement are all contained in the application claim limited range.
Claims (5)
1. full-insulated full-sealed solid cabinet fuse unit, including fuse unit body (1), the fusing in fuse unit body (1)
Device (2), the inlet wire port (3) being connected with pole, outlet cable sleeve pipe (4) and fuse unit cap assemblies (5), it is characterised in that：Also
Including ground connection arc-chutes (6), the inlet wire port (3), outlet cable sleeve pipe (4) and ground connection arc-chutes (6) are encapsulated in fuse unit
On body (1) and three separate spaces are formed, wherein, the inlet wire port (3) is electrically connected with fuse (2) one end, described
Conductor and ground connection arc-chutes (6) in outlet cable sleeve pipe (4) are electrically connected with fuse (2) other end, the fuse (2)
It is arranged on by a spacing bracket (7) in fuse unit body (1), the spacing bracket (7) is towards the one of fuse unit cap assemblies (5)
End is provided with the double insulating structure that air insulation is combined with extruding insulation, and the fuse unit cap assemblies (5) are arranged on extruding
The end face of insulation system, the extruding insulation structure are oval extruding insulation structure.
2. full-insulated full-sealed solid cabinet fuse unit according to claim 1, it is characterised in that：The spacing bracket (7)
Both ends be respectively arranged with fuse clip (71) and locking spring (72), the one end of the spacing bracket (7) towards inlet wire port (3)
The conducting block (73) that can be electrically connected with inlet wire port (3) is additionally provided with, the spacing bracket (7) is towards fuse unit cap assemblies
(5) fuse clip (71) of one end is electrically connected with by a connection contact (76) with the cable in outlet cable sleeve pipe (4).
3. full-insulated full-sealed solid cabinet fuse unit according to claim 2, it is characterised in that：The ground connection arc-chutes
(6) connected with being connected between contact (76) by a copper bar (8), copper bar (8) sealing is in fuse unit body (1).
4. full-insulated full-sealed solid cabinet fuse unit according to claim 1, it is characterised in that：The fuse unit cap assemblies
(5) include being driven after a fuse trips giving the push rod of mechanism tripping operation (9).
5. full-insulated full-sealed solid cabinet fuse unit according to claim 1, it is characterised in that：The ground connection arc-chutes
(6) vacuum interrupter is used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410796384.2A CN104577857B (en) | 2014-12-18 | 2014-12-18 | Full-insulated full-sealed solid cabinet fuse unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410796384.2A CN104577857B (en) | 2014-12-18 | 2014-12-18 | Full-insulated full-sealed solid cabinet fuse unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104577857A CN104577857A (en) | 2015-04-29 |
| CN104577857B true CN104577857B (en) | 2018-01-02 |
Family
ID=53093341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410796384.2A Active CN104577857B (en) | 2014-12-18 | 2014-12-18 | Full-insulated full-sealed solid cabinet fuse unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104577857B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107978501A (en) * | 2017-11-28 | 2018-05-01 | 北京双杰电气股份有限公司 | A kind of solid fuse |
| CN108183055B (en) * | 2018-03-16 | 2024-04-16 | 厦门业盛电气有限公司 | Fuse tube |
| CN109950108B (en) * | 2019-04-01 | 2023-10-10 | 江苏电科电气设备有限公司 | Tripping interlock of gas-filled cabinet fuse cabinet and use method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202712732U (en) * | 2012-05-24 | 2013-01-30 | 北京科锐配电自动化股份有限公司 | Total-solid insulation ring-network cabinet equipped with fuse tube |
| CN203481127U (en) * | 2013-10-15 | 2014-03-12 | 厦门顾德益电器有限公司 | Three-phase integrated arc-extinguishing chamber epoxy solid-sealed polar pole |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4046537B2 (en) * | 2002-04-11 | 2008-02-13 | 日本高圧電気株式会社 | Cylindrical high pressure cutout |
| CN202384284U (en) * | 2011-12-23 | 2012-08-15 | 珠海康晋电气有限公司 | Fuse tube and switch cabinet |
| CN202930342U (en) * | 2012-11-19 | 2013-05-08 | 北京清畅电力技术股份有限公司 | High-voltage solid insulation fuse unit |
| CN203312226U (en) * | 2013-07-08 | 2013-11-27 | 吉林省金冠电气股份有限公司 | Fuse cylinder having overload protection function |
| CN204333737U (en) * | 2014-12-18 | 2015-05-13 | 珠海康晋电气有限公司 | Full-insulated full-sealed solid cabinet fuse unit |
-
2014
- 2014-12-18 CN CN201410796384.2A patent/CN104577857B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202712732U (en) * | 2012-05-24 | 2013-01-30 | 北京科锐配电自动化股份有限公司 | Total-solid insulation ring-network cabinet equipped with fuse tube |
| CN203481127U (en) * | 2013-10-15 | 2014-03-12 | 厦门顾德益电器有限公司 | Three-phase integrated arc-extinguishing chamber epoxy solid-sealed polar pole |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104577857A (en) | 2015-04-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 519060 5 building, No. 6, incense Road, Hong Wan Industrial Zone, Guangdong, Zhuhai Applicant after: ZHUHAI COMKING ELECTRIC CO.,LTD. Address before: 519060 5 building, No. 6, incense Road, Hong Wan Industrial Zone, Guangdong, Zhuhai Applicant before: Zhuhai Comking Electric Co.,Ltd. |
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| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20150429 Assignee: Hengqin Financial Investment International Finance Leasing Co.,Ltd. Assignor: ZHUHAI COMKING ELECTRIC CO.,LTD. Contract record no.: X2022980020329 Denomination of invention: Fuse cartridge of fully insulated and fully sealed solid cabinet Granted publication date: 20180102 License type: Exclusive License Record date: 20221108 |
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| EE01 | Entry into force of recordation of patent licensing contract | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Fuse cartridge of fully insulated and fully sealed solid cabinet Effective date of registration: 20221110 Granted publication date: 20180102 Pledgee: Hengqin Financial Investment International Finance Leasing Co.,Ltd. Pledgor: ZHUHAI COMKING ELECTRIC CO.,LTD. Registration number: Y2022980021540 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231228 Granted publication date: 20180102 Pledgee: Hengqin Financial Investment International Finance Leasing Co.,Ltd. Pledgor: ZHUHAI COMKING ELECTRIC CO.,LTD. Registration number: Y2022980021540 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Hengqin Financial Investment International Finance Leasing Co.,Ltd. Assignor: ZHUHAI COMKING ELECTRIC CO.,LTD. Contract record no.: X2022980020329 Date of cancellation: 20240103 |
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| EC01 | Cancellation of recordation of patent licensing contract |