CN109037000A - A kind of novel limiting fuse porcelain knob structure - Google Patents
A kind of novel limiting fuse porcelain knob structure Download PDFInfo
- Publication number
- CN109037000A CN109037000A CN201811046150.0A CN201811046150A CN109037000A CN 109037000 A CN109037000 A CN 109037000A CN 201811046150 A CN201811046150 A CN 201811046150A CN 109037000 A CN109037000 A CN 109037000A
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- CN
- China
- Prior art keywords
- insulating ceramics
- bushing pipe
- metal end
- pipe
- auxiliary electrode
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- 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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Classifications
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- 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
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/05—Component parts thereof
- H01H85/165—Casings
- H01H85/175—Casings characterised by the casing shape or form
Abstract
The present invention relates to a kind of novel limiting fuse porcelain knob structures, including insulating ceramics bushing pipe, insulating ceramics protecting pipe, upper metal end, lower metal end, discharge electrode, auxiliary electrode and earth lead, insulating ceramics bushing pipe is hollow tubular structures, its inner surface sets connection screw thread, outer surface is evenly distributed at least two sliding slots, insulating ceramics protecting pipe is coated on insulating ceramics bushing pipe outer surface, upper metal end, lower metal end pass through connection screw thread respectively with insulating ceramics liner inner surface and outer surface, discharge electrode and auxiliary electrode are respectively positioned in insulating ceramics bushing pipe, auxiliary electrode end is electrically connected by earth lead and lower metal end.One aspect of the present invention has good bearing capacity, insulating capacity and damage-retardation ability, on the other hand in the process of running, phenomena such as surface creepage, induced electricity, electric leakage and electrostatic can be effectively eliminated, to greatly improve the safety and reliability of fuse equipment operation.
Description
Technical field
The present invention relates to a kind of air regenerating devices, are exactly a kind of novel limiting fuse porcelain knob structures.
Background technique
Currently in the electrical equipments such as limiting fuse, is on the one hand played when equal by insulation porcelain knob and circuit part is carried out
On the other hand insulating protection carries circuit part, installs positioning, usage amount is huge, but in actual use, current
The traditional structure that insulation porcelain knob is often all made of, i.e. integral type column structure, and surface is evenly distributed with several layers umbrella skirt construction, although can
To meet carrying positioning to a certain degree and be dielectrically separated from the needs used, but due to for integral type mechanism, fault restoration rate
Lowly, easily after external impacts cause insulation porcelain knob partial structurtes impaired due to the porcelain knob that causes entirely to insulate needs replacing, thus
Seriously affected the equipment such as limiting fuse operation stability and reliability, while also cause insulate porcelain knob use cost compared with
Height, and cause a large amount of wasting of resources, in addition to this, currently insulation porcelain knob at runtime, due to inductive effect, circuit therefore
Easily there is creepage phenomenon, leaky, induced electromotive force and electrostatic on insulation porcelain knob surface layer in the reasons such as barrier, contaminants,
To which the safety and stability run to limiting fuse causes serious influence, therefore it is directed to this problem, compels to be essential
A kind of insulation porcelain knob of invention is developed, to meet the needs of actual use.
Summary of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of novel limiting fuse porcelain knob structure, the hair
Bright structure is simple, flexible and convenient operation, and versatility is good, on the one hand has good bearing capacity, insulating capacity and damage-retardation ability,
On the other hand in the process of running, phenomena such as surface creepage, induced electricity, electric leakage and electrostatic being effectively eliminated, thus greatly
Improve the safety and reliability of the operation of fuse equipment.
To achieve the goals above, the present invention is to realize by the following technical solutions:
A kind of novel limiting fuse porcelain knob structure, including insulating ceramics bushing pipe, insulating ceramics protecting pipe, upper metal end
Lid, lower metal end, discharge electrode, auxiliary electrode and earth lead, insulating ceramics bushing pipe are hollow tubular structures, inner surface
If connection screw thread, outer surface is evenly distributed at least two sliding slots, sliding slot and insulating ceramics bushing pipe axis parallelly distribute on, and around insulation pottery
Ceramic liner pipe axis is uniformly distributed, and insulating ceramics protecting pipe, which is coated between insulating ceramics bushing pipe outer surface and insulating ceramics bushing pipe, coaxially to be divided
Cloth, insulating ceramics bushing pipe is mutually slidably connected with insulating ceramics protecting pipe by sliding slot, and insulating ceramics bushing pipe, insulating ceramics protect
Casing sets width as 3-5 millimeters of conducting cavity, and upper metal end, lower metal end pass through connection screw thread and make pottery respectively with insulation
Ceramic liner pipe internal surface and outer surface, the upper metal end, lower metal end are coated on edge ceramic lining-tube, insulating ceramics sheath
Tube outer surface is simultaneously coaxially distributed with insulating ceramics bushing pipe, and it is fixed that at least one is all provided on upper metal end, lower metal end outer surface
Position block, and locating piece is coaxially distributed with upper metal end, lower metal end, discharge electrode and auxiliary electrode are respectively positioned on insulating ceramics
In bushing pipe, wherein discharge electrode is coaxially distributed with insulating ceramics bushing pipe, is electrically connected between end face and upper metal end rear end face thereon
It connects, 3/4 of spacing no more than insulating ceramics bushing pipe effective length between lower end surface and lower metal end, auxiliary electrode at least two,
It is evenly arranged on insulating ceramics bushing pipe inner sidewall around insulating ceramics bushing pipe axis, and auxiliary electrode is located at immediately below discharge electrode,
And spacing is 1-20 millimeters between discharge electrode, auxiliary electrode axis and insulating ceramics bushing pipe axis are in 60 °-90 ° angles, auxiliary
Electrode end is helped to be electrically connected by earth lead and lower metal end, earth lead quantity is consistent with auxiliary electrode quantity, and
In conducting cavity.
Further, at least two elastic sealing rings are set between the edge ceramic lining-tube, insulating ceramics protecting pipe, it is described
Elastic sealing ring it is uniformly distributed along insulating ceramics bushing pipe axis direction and be coaxially distributed with insulating ceramics bushing pipe.
Further, the upper metal end, be all provided with elastic packing cushion block, the elastic packing on lower metal end
Cushion block is in conducting cavity.
Further, the conducting cavity corresponding insulating ceramics bushing pipe outer surface sets wiring groove, the earth lead
In wiring groove.
Further, the wiring groove and insulating ceramics bushing pipe axis parallelly distribute on, or around insulating ceramics bushing pipe axis
Line spiral distribution, and the wiring groove depth is 1/3-the 2/3 of earth lead diameter.
Further, the insulating ceramics sheath tube outer surface is evenly distributed at least two umbrella skirt constructions.
The configuration of the present invention is simple, flexible and convenient operation, versatility is good, on the one hand has good bearing capacity, insulation energy
On the other hand in the process of running power and damage-retardation ability it is existing can to effectively eliminate surface creepage, induced electricity, electric leakage and electrostatic etc.
As to greatly improve the safety and reliability of fuse equipment operation.
Detailed description of the invention
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is schematic structural view of the invention；
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
A kind of novel limiting fuse porcelain knob structure as described in Figure 1, including insulating ceramics bushing pipe 1, insulating ceramics sheath
Pipe 2, upper metal end 3, lower metal end 4, discharge electrode 5, auxiliary electrode 6 and earth lead 7, insulating ceramics bushing pipe 1 are sky
Tubular structures, inner surface set connection screw thread 8, and outer surface is evenly distributed at least two sliding slots 9, sliding slot 9 and 1 axis of insulating ceramics bushing pipe
Line parallelly distribute on, and it is uniformly distributed around 1 axis of insulating ceramics bushing pipe, and insulating ceramics protecting pipe 2 is coated on 1 appearance of insulating ceramics bushing pipe
It is coaxially distributed between face and insulating ceramics bushing pipe 2, insulating ceramics bushing pipe 1 and insulating ceramics protecting pipe 2 are connected by the mutually sliding of sliding slot 9
It connects, and insulating ceramics bushing pipe 1, insulating ceramics protecting pipe 2 set width as 3-5 millimeters of conducting cavity 10, upper metal end 3, lower gold
Belong to end cap 3 by connection screw thread 8 respectively with 1 the inner surface and the outer surface of insulating ceramics bushing pipe, upper metal end 3, lower metal end
Lid 4 be coated on edge ceramic lining-tube 1,2 outer surface of insulating ceramics protecting pipe and with the coaxial distribution of insulating ceramics bushing pipe 1, upper metal end
At least one locating piece 11, and locating piece 11 and upper metal end 3, lower metal end are all provided on lid 3,4 outer surface of lower metal end
Lid 4 is coaxially distributed, and discharge electrode 5 and auxiliary electrode 6 are respectively positioned in insulating ceramics bushing pipe 1, wherein discharge electrode 5 and insulating ceramics
Bushing pipe 1 is coaxially distributed, and is electrically connected between 3 rear end face of end face and upper metal end thereon, spacing between lower end surface and lower metal end 4
No more than the 3/4 of 1 effective length of insulating ceramics bushing pipe, auxiliary electrode 6 at least two is uniformly distributed around 1 axis of insulating ceramics bushing pipe
On 1 inner sidewall of insulating ceramics bushing pipe, and auxiliary electrode 6 is located at immediately below discharge electrode 5, and is with 5 spacing of discharge electrode
1-20 millimeters, 6 axis of auxiliary electrode and 1 axis of insulating ceramics bushing pipe are in 60 °-90 ° angles, and 6 end of auxiliary electrode is by connecing
Ground wire 7 and lower metal end 4 are electrically connected, and 7 quantity of earth lead is consistent with 6 quantity of auxiliary electrode, and are located at conducting cavity 10
It is interior.
In the present embodiment, at least two elastic sealing rings are set between the edge ceramic lining-tube 1, insulating ceramics protecting pipe 2
12, the elastic sealing ring 12 it is uniformly distributed along 1 axis direction of insulating ceramics bushing pipe and with the coaxial distribution of insulating ceramics bushing pipe 1.
In the present embodiment, elastic packing cushion block 13, the bullet are all provided on the upper metal end 3, lower metal end 4
Property seal block 13 in the conducting cavity 10.
In the present embodiment, corresponding 1 outer surface of insulating ceramics bushing pipe of conducting cavity 10 sets wiring groove 14, and described connects
Ground wire 7 is in wiring groove 14.
In the present embodiment, the wiring groove 14 and 1 axis parallelly distribute on of insulating ceramics bushing pipe, or served as a contrast around insulating ceramics
1 axis spiral distribution of pipe, and 14 depth of wiring groove is 1/3-the 2/3 of 7 diameter of earth lead.
In the present embodiment, 2 outer surface of insulating ceramics protecting pipe is evenly distributed at least two umbrella skirt constructions 15.
The present invention in specific implementation, first according to the needs of use to insulating ceramics bushing pipe, insulating ceramics protecting pipe, upper gold
Belong to end cap, lower metal end, discharge electrode, auxiliary electrode and earth lead to be assembled, passes through this after completing present invention assembly
The lower metal end of invention is installed in the equipment such as specified limiting fuse, and connects lower metal end electrically with earthed circuit
It connects, upper metal end of the invention is connect positioning with electrical equipments such as limiting fuses by last aspect can be completed the present invention
Installation positioning.
In actual operation, when climbing electricity, electrostatic, electric leakage and induced electromotive force, pass through discharge electrode
These harmfulness electric energy are guided to insulating ceramics protecting pipe, and pass through the point discharge between discharge electrode, auxiliary electrode
Grounding connection is carried out by earth lead with auxiliary electrode, to realize that such electric energy is eliminated, to avoid insulation porcelain knob table
The accidents such as electric leakage occur for face.
When because of external force part damage occurs for the porcelain knob that insulate in operation, it is only necessary to be protected to insulating ceramics bushing pipe, insulating ceramics
Casing, upper metal end, the components to break down in lower metal end are replaced, to greatly improve insulation
The flexibility and fault removal efficiency that porcelain knob equipment uses.
The configuration of the present invention is simple, flexible and convenient operation, versatility is good, on the one hand has good bearing capacity, insulation energy
On the other hand in the process of running power and damage-retardation ability it is existing can to effectively eliminate surface creepage, induced electricity, electric leakage and electrostatic etc.
As to greatly improve the safety and reliability of fuse equipment operation.
It should be understood by those skilled in the art that the present invention is not limited to the above embodiments.Above-described embodiment and explanation
It is merely illustrated the principles of the invention described in book.Without departing from the spirit and scope of the present invention, the present invention also has
Various changes and modifications.These changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention
It is defined by the appending claims and its equivalent thereof.
Claims (6)
1. a kind of novel limiting fuse porcelain knob structure, it is characterised in that: the invention limiting fuse porcelain knob structure
Including insulating ceramics bushing pipe, insulating ceramics protecting pipe, upper metal end, lower metal end, discharge electrode, auxiliary electrode and ground connection
Conducting wire, the insulating ceramics bushing pipe are hollow tubular structures, and inner surface sets connection screw thread, and outer surface is evenly distributed at least two cunnings
Slot, the sliding slot and insulating ceramics bushing pipe axis parallelly distribute on, and insulation uniformly distributed around insulating ceramics bushing pipe axis, described
Ceramic sheath pipe, which is coated between insulating ceramics bushing pipe outer surface and insulating ceramics bushing pipe, to be coaxially distributed, the insulating ceramics bushing pipe
It is mutually slidably connected with insulating ceramics protecting pipe by sliding slot, and insulating ceramics bushing pipe, insulating ceramics protecting pipe set width as 3-
5 millimeters of conducting cavity, the upper metal end, lower metal end pass through connection screw thread respectively with table in insulating ceramics bushing pipe
Face and outer surface, the upper metal end, lower metal end are coated on edge ceramic lining-tube, insulating ceramics sheath tube outer surface simultaneously
It is coaxially distributed with insulating ceramics bushing pipe, is all provided at least one locating piece on the upper metal end, lower metal end outer surface,
And the locating piece is coaxially distributed with upper metal end, lower metal end, the discharge electrode and auxiliary electrode are respectively positioned on
In insulating ceramics bushing pipe, wherein the discharge electrode is coaxially distributed with insulating ceramics bushing pipe, end face and upper metal end thereon
It is electrically connected between rear end face, spacing is not more than the 3/4 of insulating ceramics bushing pipe effective length between lower end surface and lower metal end, described
Auxiliary electrode at least two, be evenly arranged on insulating ceramics bushing pipe inner sidewall around insulating ceramics bushing pipe axis, and described auxiliary
Electrode is helped to be located at immediately below discharge electrode, and spacing is 1-20 millimeters between discharge electrode, the auxiliary electrode axis and absolutely
Edge ceramic lining-tube axis is in 60 ° -90 ° angles, and the auxiliary electrode end is electrically connected by earth lead with lower metal end
It connects, the earth lead quantity is consistent with auxiliary electrode quantity, and is located in conducting cavity.
2. a kind of novel limiting fuse porcelain knob structure according to claim 1, it is characterised in that: the edge ceramics
At least two elastic sealing rings are set between bushing pipe, insulating ceramics protecting pipe, the elastic sealing ring is along insulating ceramics bushing pipe axis
Line direction is uniformly distributed and is coaxially distributed with insulating ceramics bushing pipe.
3. a kind of novel limiting fuse porcelain knob structure according to claim 1, it is characterised in that: the upper metal
Elastic packing cushion block is all provided on end cap, lower metal end, the elastic packing cushion block is in conducting cavity.
4. a kind of novel limiting fuse porcelain knob structure according to claim 1, it is characterised in that: the conducting cavity
Corresponding insulating ceramics bushing pipe outer surface sets wiring groove, and the earth lead is in wiring groove.
5. a kind of novel limiting fuse porcelain knob structure according to claim 4, it is characterised in that: the wiring groove
With insulating ceramics bushing pipe axis parallelly distribute on, or around insulating ceramics bushing pipe axis spiral distribution, and the wiring groove depth
Degree is 1/3-the 2/3 of earth lead diameter.
6. a kind of novel limiting fuse porcelain knob structure according to claim 1, it is characterised in that: the insulation pottery
Porcelain sheath tube outer surface is evenly distributed at least two umbrella skirt constructions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811046150.0A CN109037000A (en) | 2018-09-07 | 2018-09-07 | A kind of novel limiting fuse porcelain knob structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811046150.0A CN109037000A (en) | 2018-09-07 | 2018-09-07 | A kind of novel limiting fuse porcelain knob structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109037000A true CN109037000A (en) | 2018-12-18 |
Family
ID=64624204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811046150.0A Pending CN109037000A (en) | 2018-09-07 | 2018-09-07 | A kind of novel limiting fuse porcelain knob structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109037000A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1164752A (en) * | 1996-05-02 | 1997-11-12 | 唐圣严 | Quick fusing self-thrust controlled cartridge fuse |
| CN202019192U (en) * | 2011-04-01 | 2011-10-26 | 衢州日新电气有限公司 | Combined device with grounded middle point |
| CN104934274A (en) * | 2014-03-20 | 2015-09-23 | 通贝国际有限公司 | Fuse insulating support bracket with pre-molded shed |
| CN206225310U (en) * | 2016-09-30 | 2017-06-06 | 唐恩(厦门)电气有限公司 | A kind of isolation enclosed type jet fuse |
| CN206480436U (en) * | 2016-11-22 | 2017-09-08 | 国网浙江省电力公司绍兴供电公司 | A kind of compound anti-thunder insulator |
| CN206878312U (en) * | 2017-02-15 | 2018-01-12 | 国网江苏省电力公司南京供电公司 | A kind of combined pin type arrester |
| CN206976097U (en) * | 2017-05-09 | 2018-02-06 | 常州瑞禧电力设备有限公司 | A kind of structure of lightning protection explosion-proof insulator |
| CN108305731A (en) * | 2018-01-31 | 2018-07-20 | 闫文奕 | A kind of line thunder protection device for protecting insulator to be endangered from Lightning Over-voltage |
-
2018
- 2018-09-07 CN CN201811046150.0A patent/CN109037000A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1164752A (en) * | 1996-05-02 | 1997-11-12 | 唐圣严 | Quick fusing self-thrust controlled cartridge fuse |
| CN202019192U (en) * | 2011-04-01 | 2011-10-26 | 衢州日新电气有限公司 | Combined device with grounded middle point |
| CN104934274A (en) * | 2014-03-20 | 2015-09-23 | 通贝国际有限公司 | Fuse insulating support bracket with pre-molded shed |
| CN206225310U (en) * | 2016-09-30 | 2017-06-06 | 唐恩(厦门)电气有限公司 | A kind of isolation enclosed type jet fuse |
| CN206480436U (en) * | 2016-11-22 | 2017-09-08 | 国网浙江省电力公司绍兴供电公司 | A kind of compound anti-thunder insulator |
| CN206878312U (en) * | 2017-02-15 | 2018-01-12 | 国网江苏省电力公司南京供电公司 | A kind of combined pin type arrester |
| CN206976097U (en) * | 2017-05-09 | 2018-02-06 | 常州瑞禧电力设备有限公司 | A kind of structure of lightning protection explosion-proof insulator |
| CN108305731A (en) * | 2018-01-31 | 2018-07-20 | 闫文奕 | A kind of line thunder protection device for protecting insulator to be endangered from Lightning Over-voltage |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181218 |