CN208753251U - A kind of easily debugging self-mending fuse - Google Patents
A kind of easily debugging self-mending fuse Download PDFInfo
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- CN208753251U CN208753251U CN201821370550.2U CN201821370550U CN208753251U CN 208753251 U CN208753251 U CN 208753251U CN 201821370550 U CN201821370550 U CN 201821370550U CN 208753251 U CN208753251 U CN 208753251U
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- fuse
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- mending
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Abstract
The utility model relates to a kind of easily debugging self-mending fuses, including connecting terminal, high strength insulator top side is connected with upper end contact by connecting terminal, upper end contact bottom is connected with cartridge fuse by bracket, fuse bottom of the tube is connected with the lower static contact that high-insulation is connected by lower moving contact, epitaxy part is equipped at the top and bottom of cartridge fuse, the fixation hole being connected with upper end contact is installed in epitaxy part, fixation hole side is respectively connected with porcelain tube on fuse inside pipe wall, porcelain tube is arranged on four angles of fuse inside pipe wall, fuse inside pipe wall two sides are connected separately with the first conductive plate and the second conductive plate, the fuse piece being fixedly connected between first conductive plate and the second conductive sheet inside cartridge fuse, molten outer wall is connected with absorption mouth along edge, it absorbs and is provided with metallic sodium outside mouth.The utility model has the advantages that the utility model can easily be accommodated, it is easily installed, it is not necessary to melt is replaced, is reused, it is practical.
Description
Technical field
A kind of the utility model electric protective equipment technical field, and in particular to easily debugging self-mending fuse.
Background technique
Fuse refers to when electric current is more than specified value, so that melt is fused with the heat that itself is generated, the one of disconnecting circuit
Kind electric appliance.Fuse be according to electric current be more than specified value for a period of time after, with its own generate heat make Melt molten, thus
Disconnect circuit；With a kind of current protector made of this principle.Fuse be widely used in high and low voltage electric distribution system and
It is using one of most common protection device as the protector of short circuit and overcurrent in control system and electrical equipment.
Fuse is series in circuit using metallic conductor as melt, when overloading or short circuit current crosses melt, because of it
Self-heating and fuse, thus a kind of electric appliance of disjunction circuit.Fuse structure is simple, easy to use, is widely used in power train
As protection device in system, various electrical equipments and household electrical appliance.
Current numerous domestic enterprise is mating to meet electricity piece development just in the fastp-acting fuse of R&D and production large capacity
Needs, it is contemplated that whether melt in the conditions such as radiating condition installing and dismounting and fuse can be automatic extensive by high temperature
Multiple, existing fuse has been unsatisfactory for relevant requirement.
Utility model content
The utility model aim is to provide a kind of easily debugging self-mending fuse, provide a kind of good heat dissipation effect convenient for debugging with
And melt being capable of the fuse that uses of fast quick-recovery.
In order to achieve the goal above, the technical solution adopted in the utility model are as follows: a kind of easily debugging self-mending fuse, including
Connecting terminal, upper end contact, high strength insulator, lower static contact and lower moving contact, high strength insulator top side are logical
It crosses the connecting terminal and is connected with the upper end contact, upper end contact bottom is connected with cartridge fuse by bracket, described molten
Fiber tube bottom is connected with the lower static contact that the high strength insulator is connected, the lower static contact bottom by the lower moving contact
Portion is fixedly installed with the pop-up board below the lower moving contact, is equipped with epitaxy part at the top and bottom of the cartridge fuse, institute
The fixation hole for being equipped in epitaxy part and being connected with the upper end contact is stated, the fixation hole side is close to the fuse inside pipe wall
On be respectively connected with porcelain tube, the porcelain tube is arranged on four angles of the fuse inside pipe wall, fuse inside pipe wall two sides point
It is not connected with the first conductive plate and the second conductive plate, is fixedly connected between first conductive plate and the second conductive plate positioned at institute
The fuse piece inside cartridge fuse is stated, the fuse piece outer wall is connected with absorption mouth along edge, is provided with metal outside the absorption mouth
Sodium, described metallic sodium one end are connected with the placing groove being placed in the absorption mouth.
Further, the lower moving contact side is equipped with the shaft being connected with lower moving contact bracket.
Further, described lower static contact one end is equipped with fastening bolt on the high strength insulator.
Further, the lower moving contact and lower static contact material be respectively copper it is silver-plated and casting brass.
Further, corresponding nozzle is respectively connected on first conductive plate and the second conductive plate outer wall.
The bracket having the technical effect that between upper end contact and lower moving contact of the utility model can guarantee for operating a switch
It operates with, the shaft on pop-up board can allow direct trip after fuse cut, and the fixation hole of epitaxy part connection can be in fuse
It can be dismounted by fixation hole when pipe installation and removal, when short trouble occurs for circuit, heat passes through the first conductive plate
It is transmitted on molten on piece metallic sodium with the second conductive plate, so that metallic sodium rapid vaporization, high-impedance state, limitation short circuit is presented in steam state sodium
Electric current, temperature decline, steam state sodium is restored to original liquid, and is recovered on the placing groove absorbed on mouth, and restore good
Electric conductivity, such fuse substantially increase service performance, can easily be accommodated, be easily installed, it is not necessary to replace melt, repetition makes
With application is strong.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that the utility model easily debugs self-mending fuse；
Fig. 2 is the schematic diagram of the utility model cartridge fuse.
Appended drawing reference: 1- connecting terminal；The upper end 2- contact；3- high strength insulator；4- lower static contact；5- lower moving contact；
6- bracket；7- cartridge fuse；8- pop-up board；9- epitaxy part；10- fixation hole；11- porcelain tube；The first conductive plate of 12-；13- second is led
Battery plate；14- fuse piece；15- absorbs mouth；16- metallic sodium；17- placing groove；18- shaft；19- fastening bolt；20- nozzle.
Specific embodiment
Referring to attached drawing 1-2, a kind of easily debugging self-mending fuse, including connecting terminal 1, upper end contact 2, high strength insulator
3, lower static contact 4 and lower moving contact 5, the 3 top side of high strength insulator are connected on described by the connecting terminal 1
Contact 2 is held, 2 bottom of upper end contact is connected with cartridge fuse 7 by bracket 6, and 7 bottom of cartridge fuse passes through the lower dynamic touching
First 5 are connected with the lower static contact 4 that the high strength insulator 3 is connected, and 4 bottom of lower static contact is fixedly installed with positioned at institute
The pop-up board 8 of 5 lower section of lower moving contact is stated, epitaxy part 9, installation in the epitaxy part 9 are equipped at the top and bottom of the cartridge fuse 7
There is the fixation hole 10 being connected with the upper end contact 2,10 side of fixation hole is all connected on 7 inner wall of cartridge fuse
There is porcelain tube 11, the porcelain tube 11 is arranged on 7 inner wall of cartridge fuse, four angles, 7 inner wall two sides of the cartridge fuse difference
It is connected with the first conductive plate 12 and the second conductive plate 13, is fixedly connected between first conductive plate 12 and the second conductive plate 13
There is the fuse piece 14 being located inside the cartridge fuse 7,14 outer wall of fuse piece is connected with along edge absorbs mouth 15, the absorption mouth
Metallic sodium 16 is provided with outside 15, described 16 one end of metallic sodium is connected with the placing groove 17 being placed in the absorption mouth 15.
Preferably, the bracket 6 between upper end contact 2 and lower moving contact 5 can guarantee to operate with for operating a switch, pop-up board 8
On shaft 18 can allow direct trip after fuse cut, the fixation hole 10 that epitaxy part 9 connects, can cartridge fuse 7 install with
It can be dismounted by fixation hole 10 when disassembly, when short trouble occurs for circuit, heat passes through the first conductive plate 12 and the
Two conductive plates 13 are transmitted on molten 14 on metallic sodium 16, so that 16 rapid vaporization of metallic sodium, high-impedance state, limitation is presented in steam state sodium
Short circuit current, temperature decline, steam state sodium is restored to original liquid, and is recovered on the placing groove 17 absorbed on mouth 15, and extensive
Multiple good electric conductivity, such fuse substantially increase service performance, can easily be accommodated, be easily installed, it is not necessary to which replacement is molten
Body, is reused, and application is strong.
Preferably, 5 side of lower moving contact is equipped with the shaft 18 being connected with lower moving contact bracket.
Preferably, described 4 one end of lower static contact is equipped with fastening bolt 19 on the high strength insulator 3.
Preferably, the lower moving contact 5 and 4 material of lower static contact be respectively copper it is silver-plated and casting brass.
Preferably, corresponding nozzle 20, nozzle are respectively connected on 13 outer wall of first conductive plate 12 and the second conductive plate
20 be provided with is conducive to remove certain heat, prevents temperature excessively high.
Basic principles, main features, and advantages of the present invention has been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only the principles of the present invention, the utility model also has respectively on the premise of not departing from the spirit and scope of the utility model
Kind changes and improvements, these changes and improvements are both fallen in the range of claimed invention.The requires of the utility model
Protection scope defined by appended claims and its equivalent.
Claims (5)
1. a kind of easily debugging self-mending fuse, including connecting terminal (1), upper end contact (2), high strength insulator (3), lower stationary contact
Head (4) and lower moving contact (5), high strength insulator (3) the top side are connected on described by the connecting terminal (1)
It holds contact (2), upper end contact (2) bottom is connected with cartridge fuse (7) by bracket (6), and cartridge fuse (7) bottom passes through
The lower moving contact (5) is connected with the lower static contact (4) that the high strength insulator (3) is connected, lower static contact (4) bottom
Portion is fixedly installed with the pop-up board (8) below the lower moving contact (5), which is characterized in that at the top of the cartridge fuse (7) and
Bottom is equipped with epitaxy part (9), is equipped with the fixation hole (10) being connected with the upper end contact (2) in the epitaxy part (9),
Fixation hole (10) side is respectively connected with porcelain tube (11) on the cartridge fuse (7) inner wall, porcelain tube (11) the difference cloth
Set on four angles of the cartridge fuse (7) inner wall, cartridge fuse (7) the inner wall two sides be connected separately with the first conductive plate (12) and
Second conductive plate (13) is fixedly connected between first conductive plate (12) and the second conductive plate (13) positioned at the cartridge fuse
(7) internal fuse piece (14), fuse piece (14) outer wall is connected with along edge absorbs mouth (15), and the absorption mouth (15) is external
It is provided with metallic sodium (16), described metallic sodium (16) one end is connected with the placing groove (17) being placed in absorption mouth (15).
2. a kind of easily debugging self-mending fuse according to claim 1, which is characterized in that lower moving contact (5) side
The shaft (18) being connected with lower moving contact bracket is installed.
3. a kind of easily debugging self-mending fuse according to claim 1, which is characterized in that described lower static contact (4) one end
Fastening bolt (19) are installed on the high strength insulator (3).
4. a kind of easily debugging self-mending fuse according to claim 1, which is characterized in that the lower moving contact (5) and under
Static contact (4) material be respectively copper it is silver-plated and casting brass.
5. a kind of easily debugging self-mending fuse according to claim 1, which is characterized in that first conductive plate (12) and
Corresponding nozzle (20) is respectively connected on second conductive plate (13) outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821370550.2U CN208753251U (en) | 2018-08-24 | 2018-08-24 | A kind of easily debugging self-mending fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821370550.2U CN208753251U (en) | 2018-08-24 | 2018-08-24 | A kind of easily debugging self-mending fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208753251U true CN208753251U (en) | 2019-04-16 |
Family
ID=66079877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821370550.2U Active CN208753251U (en) | 2018-08-24 | 2018-08-24 | A kind of easily debugging self-mending fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208753251U (en) |
-
2018
- 2018-08-24 CN CN201821370550.2U patent/CN208753251U/en active Active
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