CN207765396U - A kind of outdoor ac high voltage drop fuse - Google Patents
A kind of outdoor ac high voltage drop fuse Download PDFInfo
- Publication number
- CN207765396U CN207765396U CN201820071809.7U CN201820071809U CN207765396U CN 207765396 U CN207765396 U CN 207765396U CN 201820071809 U CN201820071809 U CN 201820071809U CN 207765396 U CN207765396 U CN 207765396U
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- stainless steel
- contact chip
- parallel groove
- outdoor
- voltage drop
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- Arc-Extinguishing Devices That Are Switches (AREA)
- Fuses (AREA)
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Abstract
The utility model discloses a kind of outdoor ac high voltage drop fuse, including upper parallel groove connector, stainless steel protective cover, upper contact chip, upper moving contact, break hook, brass draw ring, fusion tube, trunnion, tripping device, splitter, porcelain insulator, stainless steel spring plate and lower parallel groove connector；It upper parallel groove connector, stainless steel protective cover, upper contact chip and breaks hook and is both connected to porcelain insulator upper end, wherein upper parallel groove connector, stainless steel protective cover and one end of upper contact chip are that a Contiuum type connects, upper contact chip is located at stainless steel protective cover lower end, hook is broken positioned at the lower end of upper contact chip, upper moving contact and brass draw ring are both connected to fusion tube upper end.Not only reasonable design, processing are fine for all accessories of the fuse of the utility model, and using the material of high-quality, it is ensured that the long-term normal use of product；Porcelain insulator uses high-quality porcelain insulation material, has wide retting-flax wastewater, meets different use environments.
Description
Technical field
The utility model belongs to fuse field more particularly to a kind of outdoor ac high voltage drop fuse.
Background technology
The fusion tube of existing fuse switch there are the moisture absorption, yielding, Breaking capacity is small, short life, is not suitable with temperature
Change dramatically and the shortcomings of burst certainly, bring very big security risk to the line maintenance of operator.
Meanwhile that there is also manufacture crafts is coarse, with low quality, Product Process is coarse, workmanship is poor, touch spring is elastic
It is insufficient, easily because contact is bad generate the shortcoming of electric spark.
Utility model content
The purpose of this utility model is to provide a kind of simple in structure, easy for installation, service life is long, and operation is simple and reliable
A kind of Novel outdoor AC high-voltage drop fuse.
To achieve the goals above, the technical solution that the utility model is taken is：
A kind of outdoor ac high voltage drop fuse provided by the utility model, including it is upper parallel groove connector, stainless
Steel protective cover, upper moving contact, breaks hook, brass draw ring, fusion tube, trunnion, tripping device, splitter, insulation porcelain at upper contact chip
Bottle, stainless steel spring plate and lower parallel groove connector；Fusion tube is made of epoxy glass fiber pipe and arc-extinguishing medium, and arc-extinguishing medium is set
It is placed in epoxy glass fiber pipe, epoxy glass fiber tube outer surface adds the paint for applying antiultraviolet；It is upper parallel groove connector, stainless
It steel protective cover, upper contact chip and breaks hook and is both connected to porcelain insulator upper end, wherein upper parallel groove connector, stainless steel protection
Cover is that a Contiuum type connects with one end of upper contact chip, and upper contact chip is located at stainless steel protective cover lower end, breaks hook positioned at upper
The lower end of contact chip, upper moving contact and brass draw ring are both connected to fusion tube upper end, and the outside of upper contact chip has groove, closing a floodgate
When, the groove of upper contact chip is contacted with upper moving contact, and wherein stainless steel spring plate, lower parallel groove connector are connected to insulation porcelain
Bottle lower end, splitter are connected to stainless steel spring plate inside, and tripping device and trunnion link together and are fixed on the lower end of fusion tube.
Fusion tube is made of epoxy glass fiber around pipe and arc-extinguishing medium material, and outer layer adds the special paint in open air for applying antiultraviolet, has not
The moisture absorption, indeformable, long lifespan and the high advantage of intensity.
Further, upper parallel groove connector and lower parallel groove connector are brass material.
Further, upper moving contact is made of fine copper and high resiliency conductive copper alloy material, electroplate processing.And by
Compression spring loads, and uses surface relief for moving contact on fuse, has dual flow guide, reduce contact resistance, improves electric conductivity
Can, low-temperature-rise drops.
Further, trunnion material is copper, electroplate processing.When effect using trunnion is that trunnion is connect with splitter
Trunnion can be used as lower contact point；The design of the silver-plated trunnion of cast copper and cast copper ear mortar, intensity is high, cooperation is tight and freely, action
Fusion tube double swerve when flexibly and avoiding combined floodgate.
Further, approximate mid-section position in porcelain insulator outer surface is provided with mounting bracket, and mounting bracket is stainless steel
Material.Convenient for the porcelain insulator is installed on circuit.
Further, porcelain insulator is made of high-quality electroporcelain material.Using porcelain insulator made of high-quality electroporcelain material, tool
There is wide retting-flax wastewater, meet different use environments, the structure design of optimization effectively prevent bird on porcelain insulator.Its installation is embedding
Enter part to be adhered in porcelain insulator using unique inorganic nature adhesive, is not in expansion, and powerful fault current can be born
The impact force that the electric power of generation and line loop operation personnel generate when closing a floodgate.
Further, it breaks hook and upper contact chip lower end is fixed on by the tight bolt of round end list, the end of the other end has
One hook portion, fusion tube can be caught in the hook portion for breaking hook when combined floodgate.
The utility model uses technical solution as above, has the advantages that：
1. not only reasonable design, processing are fine for all accessories, and using the material of high-quality, overall construction design, conduction
Component is silver-plated to be all higher than 3 or more, through advanced technologies galvanizing and stainless steel material, it is ensured that the long-term normal use of product.
2. porcelain insulator uses high-quality porcelain insulation material, there is wide retting-flax wastewater, meet different use environments, optimizes
Structure design effectively prevent bird on porcelain insulator.It is installed insert and is adhered to insulation using unique inorganic nature adhesive
Be not in expansion in porcelain vase, and can bear to generate when the electric power and line loop operation personnel combined floodgate of powerful fault current generation
Impact force.
3. the design of the silver-plated trunnion of cast copper and cast copper ear mortar, intensity is high, cooperation is tight and freely, flexible movements and avoid
Fusion tube double swerve when combined floodgate.
4. fuse is mounted on 10kV distribution line branch lines, scope of power outage can be reduced, because it falls there are one high pressure
The apparent cut-off point of formula fuse, has the function of disconnecting switch, and creating a safety to maintenance section circuit and equipment makees
Industry environment increases the safety coefficient of service personnel.It, can be as the main guarantor of distribution transformer on distribution transformer
Shield.
Description of the drawings
Fig. 1 is the present embodiment general assembly schematic diagram.
Fig. 2 is the other structures enlarged diagram that the present embodiment is located at fusion tube upper end（Omit porcelain insulator）.
Fig. 3 is the other structures enlarged diagram that the present embodiment is located at fusion tube lower end（Omit porcelain insulator）.
Specific implementation mode
To further illustrate that each embodiment, the utility model are provided with attached drawing.These attached drawings are in the utility model discloses
A part for appearance mainly to illustrate embodiment, and can coordinate the associated description of specification to explain that the running of embodiment is former
Reason.Cooperation refers to these contents, and those of ordinary skill in the art will be understood that other possible embodiments and this practicality are new
The advantages of type.Component in figure is not necessarily to scale, and similar component symbol is conventionally used to indicate similar component.
In conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1-Figure 3, a kind of outdoor ac high voltage drop fuse provided in this embodiment, including upper parallel slot
Connector 1, upper contact chip 3, upper moving contact 4, breaks hook 5, brass draw ring 6, fusion tube 7, trunnion 8, jumps stainless steel protective cover 2
De- device 9, splitter 10（Effect using splitter 10 is to enhance the electric conductivity of lower contact）, porcelain insulator 11, stainless steel bomb
Spring plank 12 and lower parallel groove connector 13；Fusion tube 7 is made of epoxy glass fiber pipe and arc-extinguishing medium, and arc-extinguishing medium is set to ring
In oxygen fiberglass pipe, epoxy glass fiber tube outer surface adds the paint for applying antiultraviolet；Upper parallel groove connector 1, stainless steel are anti-
It shield 2, upper contact chip 3 and breaks hook and 5 is both connected to 11 upper end of porcelain insulator, wherein upper parallel groove connector 1, stainless steel are anti-
Shield 2 is that a Contiuum type connects with one end of upper contact chip 3, and upper contact chip 3 is located at 2 lower end of stainless steel protective cover, breaks hook 5
Positioned at the lower end of upper contact chip 3, upper moving contact 4 and brass draw ring 6 are both connected to 7 upper end of fusion tube, and the outside of upper contact chip 3 has
Groove, when closing a floodgate, the groove of upper contact chip 3 is contacted with upper moving contact 4, and wherein stainless steel spring plate 12, lower parallel slot connect
It connects device 13 and is connected to 11 lower end of porcelain insulator, splitter 10 is connected to 12 inside of stainless steel spring plate, and tripping device 9 and trunnion 8 connect
It is connected together and is fixed on the lower end of fusion tube 7.Fusion tube 7 is made of epoxy glass fiber around pipe and arc-extinguishing medium material, and outer layer adds
The special paint in open air for applying antiultraviolet, has the advantages that nonhygroscopic, indeformable, long lifespan and intensity are high.
In the present embodiment, upper parallel groove connector 1 and lower parallel groove connector 13 are brass material.
In the present embodiment, upper moving contact 4 is made of fine copper and high resiliency conductive copper alloy material, electroplate processing.
And loaded by compression spring 14, surface relief is used for the upper moving contact 4 of fuse, there is dual flow guide, reduce contact resistance, carry
Low-temperature-rise drops in high conduction performance.
In the present embodiment, 8 material of trunnion is copper, electroplate processing.Effect using trunnion is that trunnion connects with splitter
Trunnion can be used as lower contact point when connecing, silver-plated to improve electric conductivity.The design of the silver-plated trunnion of cast copper and cast copper ear mortar, intensity
High, cooperation it is tight and freely, flexible movements and fusion tube double swerve when avoiding combined floodgate.
As shown in Figure 1,11 outer surface approximate mid-section position of porcelain insulator is provided with mounting bracket 15, mounting bracket 15 is not
Become rusty Steel material.The mounting bracket 15 is connected by screw with the holder on circuit, but not limited to this, it can also use other
Mounting means, this will not be detailed here.
In the present embodiment, porcelain insulator 11 is made of high-quality electroporcelain material.Using insulation porcelain made of high-quality electroporcelain material
Bottle 11 has wide retting-flax wastewater, meets different use environments, the structure design of optimization effectively prevent bird in porcelain insulator 11
On.It is installed insert and is adhered in porcelain insulator 11 using unique inorganic nature adhesive, is not in expansion, and can bear
The impact force that the electric power and line loop operation personnel that powerful fault current generates generate when closing a floodgate.
In the present embodiment, breaks hook 5 and 3 lower end of upper contact chip, the end of the other end are fixed on by the tight bolt of round end list
With a hook portion, fusion tube can be caught in the hook portion for breaking hook when combined floodgate.
The present embodiment operation principle：For the outdoor ac high voltage drop fuse in normal operation, cartridge fuse is by molten
Closed position is formed after the tensioning of silk, when system jam, fault current makes fuse fuse rapidly, and forms electric arc.Disappear
Arc pipe is scorching hot by electric arc, decomposites a large amount of gas, makes to form very high pressure in pipe, and formed to indulge along pipeline and be blown, electric arc quilt
It elongates rapidly and extinguishes.After fuse failure, lower part moving contact lose tension and under turn over, locking machinery discharges cartridge fuse, cartridge fuse
Fall, formation significantly cut-offs position.
Cutting load type product：When needing pulling load, moving contact is pulled open with insulating bar, active, static contact still connect at this time
It touches, continues to pull contact with insulating bar, generate electric arc between auxiliary contact, electric arc is elongated in arc-extinguish chamber slit, goes out simultaneously
Arc cover generates gas, in current over-zero by arc extinction.
The utility model uses technical solution as above, has the advantages that：Not only reasonable design, the processing of all accessories
Finely, and using the material of high-quality, overall construction design, conductive component are silver-plated to be all higher than 3 or more, through advanced technologies hot dip
Zinc and stainless steel material, it is ensured that the long-term normal use of product；Porcelain insulator uses high-quality porcelain insulation material, has wide climb
Electricity is than away from meeting different use environments, the structure design of optimization effectively prevent bird on porcelain insulator.It is installed insert and uses
Unique inorganic nature adhesive is adhered in porcelain insulator, is not in expansion, and can bear the electricity that powerful fault current generates
The impact force that power and line loop operation personnel generate when closing a floodgate；The design of the silver-plated trunnion of cast copper and cast copper ear mortar, intensity is high, coordinates
It is tight and freely, flexible movements and fusion tube double swerve when avoiding combined floodgate；The utility model is mounted on 10kV distribution lines point
On branch line, scope of power outage can be reduced, because there are one the apparent cut-off points of high voltage drop-out type fuse cutout for it, has disconnecting switch
Function creates a safety work environment to maintenance section circuit and equipment, increases the safety coefficient of service personnel.Work as installation
It, can be as the main protection of distribution transformer on distribution transformer.
Although specifically showing and describing the utility model in conjunction with preferred embodiment, those skilled in the art answers
This is understood, in the spirit and scope for not departing from the utility model defined by the appended claims, in form and details
On the utility model can be made a variety of changes, be the scope of protection of the utility model.
Claims (7)
1. a kind of outdoor ac high voltage drop fuse, it is characterised in that：It is protected including upper parallel groove connector, stainless steel
Cover, upper contact chip, upper moving contact break hook, are brass draw ring, fusion tube, trunnion, tripping device, splitter, porcelain insulator, stainless
Steel bomb spring plank and lower parallel groove connector；Fusion tube is made of epoxy glass fiber pipe and arc-extinguishing medium, and arc-extinguishing medium is set to ring
In oxygen fiberglass pipe, epoxy glass fiber tube outer surface adds the paint for applying antiultraviolet；Upper parallel groove connector, stainless steel protection
Cover, upper contact chip and break hook and be both connected to porcelain insulator upper end, wherein upper parallel groove connector, stainless steel protective cover and on
One end of contact chip connects for a Contiuum type, and upper contact chip is located at stainless steel protective cover lower end, breaks hook and is located at upper contact chip
Lower end, upper moving contact and brass draw ring be both connected to fusion tube upper end, and the outside of upper contact chip has groove, when closing a floodgate, on
The groove of contact chip is contacted with upper moving contact, and wherein stainless steel spring plate, lower parallel groove connector are connected under porcelain insulator
End, splitter are connected to stainless steel spring plate inside, and tripping device and trunnion link together and are fixed on the lower end of fusion tube.
2. outdoor ac high voltage drop fuse according to claim 1, it is characterised in that：Upper parallel groove connector and
Lower parallel groove connector is brass material.
3. outdoor ac high voltage drop fuse according to claim 1, it is characterised in that：Upper moving contact uses fine copper
It is made with high resiliency conductive copper alloy material, electroplate processing.
4. outdoor ac high voltage drop fuse according to claim 1, it is characterised in that：Trunnion material is copper, table
Face silver-plated process.
5. outdoor ac high voltage drop fuse according to claim 1, it is characterised in that：Porcelain insulator outer surface is big
Medium position is caused to be provided with mounting bracket, mounting bracket is stainless steel material.
6. outdoor ac high voltage drop fuse according to claim 1, it is characterised in that：Porcelain insulator is by electroceramics material
Material is made.
7. outdoor ac high voltage drop fuse according to claim 1, it is characterised in that：It breaks hook and passes through round end
Single tight bolt is fixed on contact chip lower end, and the end of the other end has a hook portion, and fusion tube, which can be caught in, when combined floodgate breaks hook
Hook portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820071809.7U CN207765396U (en) | 2018-01-17 | 2018-01-17 | A kind of outdoor ac high voltage drop fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820071809.7U CN207765396U (en) | 2018-01-17 | 2018-01-17 | A kind of outdoor ac high voltage drop fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207765396U true CN207765396U (en) | 2018-08-24 |
Family
ID=63180475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820071809.7U Active CN207765396U (en) | 2018-01-17 | 2018-01-17 | A kind of outdoor ac high voltage drop fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207765396U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110277288A (en) * | 2019-06-26 | 2019-09-24 | 安徽伊法拉电气有限公司 | A kind of fuse insulating shield |
| CN110562880A (en) * | 2018-09-07 | 2019-12-13 | 宋协翠 | Link picking and hanging device |
-
2018
- 2018-01-17 CN CN201820071809.7U patent/CN207765396U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110562880A (en) * | 2018-09-07 | 2019-12-13 | 宋协翠 | Link picking and hanging device |
| CN110562880B (en) * | 2018-09-07 | 2020-12-18 | 安徽盛达前亮铝业有限公司 | Link picking and hanging device |
| CN110277288A (en) * | 2019-06-26 | 2019-09-24 | 安徽伊法拉电气有限公司 | A kind of fuse insulating shield |
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| GR01 | Patent grant | ||
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