CN215007761U - Porcelain-sheathed lightning arrester with fuse - Google Patents
Porcelain-sheathed lightning arrester with fuse Download PDFInfo
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- CN215007761U CN215007761U CN202120823693.XU CN202120823693U CN215007761U CN 215007761 U CN215007761 U CN 215007761U CN 202120823693 U CN202120823693 U CN 202120823693U CN 215007761 U CN215007761 U CN 215007761U
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- fuse
- porcelain
- insulating section
- arrester
- section shell
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Abstract
The utility model relates to the related field of cable protection equipment, in particular to a porcelain outer sleeve lightning arrester with a fuse, which comprises a resistance component, wherein the resistance component comprises a first resistance card; the method is characterized in that: the resistor further comprises a first conductive block, a second conductive block and an insulator component, wherein one end of the first conductive block and one end of the second conductive block are respectively connected with two opposite ends of the resistor component, and the insulator component is connected with the second conductive block; the insulator subassembly contains circular umbrella, insulator spindle and the first end of discharging, circular umbrella cover of discharging is established the other end lateral wall of second conducting block, the one end of insulator spindle with the other end of second conducting block links to each other, the first end of discharging is established keep away from on the insulator spindle one side of second conducting block. Through setting up this new structure of circular umbrella that discharges, realized that circular umbrella discharges to the discharge rod, the effectual external environment that has reduced is to the influence of external series gap.
Description
Technical Field
The utility model relates to an overvoltage protection device technical field specifically is a porcelain overcoat arrester that contains fuse.
Background
The lightning arrester is an electric appliance used for protecting various electric appliances in an electric power system from being damaged by lightning overvoltage, operation overvoltage and power frequency transient overvoltage impact.
The arrester is connected between the cable and ground, usually in parallel with the equipment to be protected. When the equipment is operated under normal operating voltage, the arrester will not function and is considered as an open circuit to the ground. Once high voltage occurs and the insulation of protected equipment is endangered, the lightning arrester acts immediately to guide high voltage impact current to the ground, so that the voltage amplitude is limited and the insulation of the protected equipment is protected.
In a 10kV high-voltage distribution network system, a lightning arrester and a fuse are arranged in equipment for protecting a transformer, but at present, the two kinds of protection equipment are respectively arranged on two cross arms, and the defects of large occupied space, high installation cost, inconvenience in maintenance and the like are overcome.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a porcelain overcoat arrester that contains fuse for the function of the attached fuse of overcoat arrester itself, and the installation is simple, the maintenance of being convenient for.
A porcelain-sheathed lightning arrester with a fuse comprises an insulating section shell and a fuse device, wherein the insulating section shell is fixedly connected with the fuse device; a core body is arranged in the insulating section shell, and a first lightning protection resistance card is arranged in the core body; the fusing device contains electrically conductive cap, arc-extinguishing tube, fuse and falls the device, the one end of electrically conductive cap with insulating section shell top links to each other, the other end of electrically conductive cap with the one end of arc-extinguishing tube links to each other, the other end of arc-extinguishing tube with it links to each other to fall the device, fall the device with the bottom of insulating section shell is fixed and links to each other, the fuse passes the arc-extinguishing tube, just the one end of fuse is fixed the upper end of arc-extinguishing tube, the other end of fuse is fixed fall on the device.
Preferably, the insulating section shell is sleeved with a mounting device, and one end of the mounting device is connected with the cross arm.
Preferably, the mounting device comprises a first connecting piece and a mounting bracket, one end of the first connecting piece is fixedly connected with one end of the mounting bracket, the first connecting piece is sleeved on the insulating section shell, and the other end of the mounting bracket is connected with the cross arm.
Preferably, the other end of the fuse is fixed to the bottom of the dropout means.
Preferably, the insulating section shell is sleeved with a first umbrella skirt and a second umbrella skirt, and the first umbrella skirt and the second umbrella skirt are respectively arranged on two sides of the mounting device.
Preferably, the conductive cap is sleeved at one end of the arc extinguishing tube, and the conductive cap is fixedly connected with the top of the insulating section shell through a bolt.
Preferably, the falling device is sleeved at the other end of the arc extinguishing pipe, and the falling device is fixedly connected with the bottom of the insulating section shell through a bolt.
Preferably, a second lightning protection resistance sheet is further arranged inside the core body, and the first lightning protection resistance sheet and the second lightning protection resistance sheet are arranged in a pressing mode.
Compared with the prior art, the beneficial effects of the utility model are that: the fusing device is arranged, the fusing device comprises a conductive cap, an arc extinguishing tube, a fuse wire and a falling device, one end of the conductive cap is connected with the top of the insulating section shell, the other end of the conductive cap is connected with one end of the arc extinguishing tube, the other end of the arc extinguishing tube is connected with the falling device, the falling device is fixedly connected with the bottom of the insulating section shell, the fuse wire penetrates through the arc extinguishing tube, one end of the fuse wire is fixed to the upper end of the arc extinguishing tube, the other end of the fuse wire is fixed to the falling device, the function of an attached fuse of the porcelain outer sleeve lightning arrester is achieved, the fuse wire is convenient to install and detach, and accordingly replacement is achieved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Reference numerals: 1. mounting a bracket; 2. an insulating section housing; 3. a first lightning protection resistor disc; 4. a core body; 5. an arc extinguishing tube; 6. a fuse.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
In the present invention, unless otherwise explicitly specified or limited, directional terms such as "above", "below", "upper", "lower", "clockwise", "counterclockwise", "left", "right", and the like, indicate orientations and positional relationships based on the orientations and positional relationships illustrated in the drawings, are only for convenience of description and simplicity of description, and do not indicate or imply that the designated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and are not to be construed as limiting the specific scope of the present invention.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. The first feature "on", "under" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.
As shown in fig. 1, a porcelain-sheathed lightning arrester with a fuse comprises an insulating segment housing 2 and a fusing device, wherein the insulating segment housing 2 is fixedly connected with the fusing device; a core body 4 is arranged in the insulating section shell 2, and a first lightning protection resistance sheet 3 is arranged in the core body 4; the fusing device contains conductive cap, arc tube 5, fuse 6 and falls the device, conductive cap's one end with 2 tops of insulation segment shell link to each other, conductive cap's the other end with the one end of arc tube 5 links to each other, arc tube 5's the other end with it links to each other to fall the device, fall the device with the bottom of insulation segment shell 2 is fixed and links to each other, fuse 6 passes arc tube 5, just the one end of fuse 6 is fixed the upper end of arc tube 5, the other end of fuse 6 is fixed fall on the device.
In order to facilitate installation, the mounting device comprises a first connecting piece and a mounting bracket 1, one end of the first connecting piece is fixedly connected with one end of the mounting bracket 1, the first connecting piece is sleeved on the insulating section shell 2, and the other end of the mounting bracket 1 is connected with the cross arm.
In order to have the function of protecting equipment, the other end of the fuse wire 6 is fixed at the bottom of the dropping device; the insulating section shell 2 is sleeved with a first umbrella skirt and a second umbrella skirt, and the first umbrella skirt and the second umbrella skirt are arranged on two sides of the mounting device respectively.
In order to facilitate installation and connection, the conductive cap is sleeved at one end of the arc extinguishing tube 5 and is fixedly connected with the top of the insulating section shell 2 through a bolt; the falling device is sleeved at the other end of the arc extinguishing pipe 5, and the falling device is fixedly connected with the bottom of the insulating section shell 2 through a bolt.
In order to increase the isolation voltage level, a second lightning protection resistance sheet is further arranged inside the core body 4, and the first lightning protection resistance sheet 3 and the second lightning protection resistance sheet are arranged in a pressing mode.
When the lightning protection resistor disc is installed, the lightning protection resistor discs in the core body 4 are well matched according to voltage, the core body 4 at least comprises the first lightning protection resistor disc 3, and when a plurality of lightning protection resistor discs are arranged in the core body 4, two adjacent lightning protection resistor discs are arranged in a pressing mode; then, the core 4 is installed in the insulating section shell 2, so that two ends of the core 4 are fixedly connected with two ends of the insulating section shell 2; assembling a fusing device, sleeving a conductive cap at one end of the arc extinguishing tube 5, sleeving a dropping device at the other end of the arc extinguishing tube 5, penetrating a fuse wire 6 through the arc extinguishing tube 5, fixing one end of the fuse wire 6 on the conductive cap, and fixing the other end of the fuse wire 6 at the bottom of the dropping device; then, the conductive cap is connected with the top of the insulating section shell 2 through a bolt, and the dropping device is connected with the bottom of the insulating section shell 2 through a bolt; and finally, sleeving a first connecting piece on the insulating section shell 2, and fixing one end of the first connecting piece with the installation space 1 through a bolt.
It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be taken as limiting the present invention, and that suitable modifications and variations of the above embodiments are possible within the scope of the present invention as hereinafter claimed.
Claims (8)
1. The utility model provides a porcelain shell arrester that contains fuse, contains insulating segment shell (2), its characterized in that: the fuse protector also comprises a fusing device, and the insulating section shell (2) is fixedly connected with the fusing device; a core body (4) is arranged in the insulating section shell (2), and a first lightning protection resistance card (3) is arranged in the core body (4); the fusing device contains conductive cap, arc-extinguishing tube (5), fuse (6) and falls the device, the one end of conductive cap with insulating section shell (2) top links to each other, the other end of conductive cap with the one end of arc-extinguishing tube (5) links to each other, the other end of arc-extinguishing tube (5) with it links to each other to fall the device, fall the device with the bottom of insulating section shell (2) is fixed to link to each other, fuse (6) pass arc-extinguishing tube (5), just the one end of fuse (6) is fixed the upper end of arc-extinguishing tube (5), the other end of fuse (6) is fixed fall on the device.
2. The porcelain-sheathed arrester comprising a fuse according to claim 1, characterized in that: the insulating section shell (2) is sleeved with a mounting device, one end of the mounting device is connected with the cross arm.
3. The porcelain-sheathed arrester comprising a fuse according to claim 2, characterized in that: the mounting device comprises a first connecting piece and a mounting support (1), one end of the first connecting piece is fixedly connected with one end of the mounting support (1), the first connecting piece is sleeved on the insulating section shell (2), and the other end of the mounting support (1) is connected with the cross arm.
4. The porcelain-sheathed arrester comprising a fuse according to claim 1, characterized in that: the other end of the fuse wire (6) is fixed at the bottom of the falling device.
5. The porcelain-sheathed arrester comprising a fuse according to claim 2, characterized in that: the insulating section shell (2) is sleeved with a first umbrella skirt and a second umbrella skirt, and the first umbrella skirt and the second umbrella skirt are arranged on two sides of the mounting device respectively.
6. The porcelain-sheathed arrester comprising a fuse according to claim 1, characterized in that: the conductive cap is sleeved at one end of the arc extinguishing tube (5) and fixedly connected with the top of the insulating section shell (2) through a bolt.
7. The porcelain-sheathed arrester comprising a fuse according to claim 1, characterized in that: the other end of the arc extinguishing pipe (5) is sleeved with the falling device, and the falling device is fixedly connected with the bottom of the insulating section shell (2) through a bolt.
8. The porcelain-sheathed arrester comprising a fuse according to claim 1, characterized in that: and a second lightning protection resistance sheet is further arranged in the core body (4), and the first lightning protection resistance sheet (3) and the second lightning protection resistance sheet are tightly pressed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120823693.XU CN215007761U (en) | 2021-04-21 | 2021-04-21 | Porcelain-sheathed lightning arrester with fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120823693.XU CN215007761U (en) | 2021-04-21 | 2021-04-21 | Porcelain-sheathed lightning arrester with fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215007761U true CN215007761U (en) | 2021-12-03 |
Family
ID=79094554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120823693.XU Active CN215007761U (en) | 2021-04-21 | 2021-04-21 | Porcelain-sheathed lightning arrester with fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215007761U (en) |
-
2021
- 2021-04-21 CN CN202120823693.XU patent/CN215007761U/en active Active
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