CN208225829U - A kind of electric system fuse - Google Patents
A kind of electric system fuse Download PDFInfo
- Publication number
- CN208225829U CN208225829U CN201820326903.2U CN201820326903U CN208225829U CN 208225829 U CN208225829 U CN 208225829U CN 201820326903 U CN201820326903 U CN 201820326903U CN 208225829 U CN208225829 U CN 208225829U
- Authority
- CN
- China
- Prior art keywords
- guide post
- assembly shell
- electric system
- fixed guide
- temperature
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of electric system fuses, including assembly shell, mobile guide post, contact groove and fixed guide post, the side of the assembly shell is provided with mounting seat, setting is provided with incoming line at the top of the assembly shell there are two symmetrical support frame between assembly shell and the mounting seat.The beneficial effects of the utility model are: by the way that temperature-sensitive pill is arranged in the inside of fuse, when internal current is excessive, temperature-sensitive pill can be heated distillation and fall, movement can occur under the action of trip spring for the mobile guide post in fuse causes entire route that open circuit occurs, the mechanics of the structure is built relatively reasonable, entire route is caused to change by the variation in breaker space, breaker opening performance is remain constantly, timeliness with higher, it can react between first, ensure the safe operation of route, the step of reducing periodic replacement resistance wire simultaneously, it is convenient for people to use.
Description
Technical field
The utility model category circuit protection device is in technical field, and in particular to a kind of electric system 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.It is molten
Disconnected device is mainly made of melt, shell and 3 part of support, and wherein melt is the key element for controlling operating chacteristics.The material of melt
Material, size and shape determine operating chacteristics.Melt material is divided into two class of low melting point and high-melting-point.Low melting material such as lead and lead
Alloy, the low easy fusing of fusing point, since its resistivity is larger, therefore the sectional dimension that melt is made is larger, what when fusing generated
Metal vapors is more, is only applicable to the fuse of low breaking capacity.Materials with high melting point such as copper, silver, fusing point are high, it is not easy to molten
It is disconnected, but since its resistivity is lower, it can be made into sectional dimension more lesser than low fusing point melt, the metal vapors that when fusing generates
It is few, the fuse suitable for high breaking capacity.The shape of melt is divided into filiform and band-like two kinds.The shape for changing variable cross-section can be shown
Write the operating chacteristics for changing fuse.
The fuse of the prior art has the following problems: the fusible link in fuse is easy to aging after using for a longer period, leads
It causes the fusing performance of fuse to lose, timing is needed to replace, it is comparatively laborious, it is easy when voltage loads are excessively high if replacing not in time
Phenomenon on fire occurs, fusing performance is not sufficiently stable.
Utility model content
To solve the problems mentioned above in the background art.The utility model provides a kind of electric system fuse,
Have the characteristics that fusing is stable.
To achieve the above object, the utility model provides the following technical solutions: a kind of electric system fuse, including dress
With shell, mobile guide post, contact groove and fixed guide post, the side of the assembly shell is provided with mounting seat, outside the assembly
Setting is provided with incoming line at the top of the assembly shell, institute there are two symmetrical support frame between shell and mounting seat
The bottom for stating assembly shell is equipped with line outlet, and the assembly shell is internally provided with temperature-sensitive particle, and the temperature-sensitive particle is set
It sets and is provided with copper sheet below the lower section of incoming line, the temperature-sensitive particle, compressed spring, institute are provided with below the copper sheet
It states and is provided with copper sheet below compressed spring, supporting block is installed below the copper sheet, is equipped with below the supporting block
Trip spring, the trip spring are internally provided with mobile guide post, and the side of the mobile guide post is mounted in contact groove, institute
It states and is provided with fixed guide post below contact groove, porcelain bushing is installed on the outside of the fixed guide post, the porcelain bushing is set
It sets in the inside of assembly shell, the bottom of the fixed guide post is connected with line outlet, and the outer surface of the assembly shell is provided with
Epoxy resin film is equipped with symmetrical thermovent on the outside of the assembly shell.
Preferably, the two sides of the mounting seat are provided with symmetrical setscrew.
Preferably, the connection type of the incoming line and line outlet and assembly shell is socket.
Preferably, the contact groove and the connection type of mobile guide post and fixed guide post are to be connected together.
Preferably, the connection type of the porcelain bushing and fixed guide post is embedded connection.
Preferably, the thermovent is an integral structure with assembly shell.
Compared with prior art, the utility model has the beneficial effects that
The utility model is by being arranged temperature-sensitive pill, when internal current is excessive, temperature-sensitive pill meeting in the inside of fuse
It is heated distillation to fall, movement can occur under the action of trip spring for the mobile guide post in fuse causes entire route to occur to break
Road, the mechanics of the structure are built relatively reasonable, cause to change to entire route by the variation in breaker space, so that breaker
Opening performance can remain constantly, timeliness with higher, can react between first, ensure the safe operation of route,
It the step of reducing periodic replacement resistance wire simultaneously, is convenient for people to use.
Detailed description of the invention
Fig. 1 is the structural schematic diagram before the utility model open circuit；
Fig. 2 is the structural schematic diagram after the utility model open circuit；
Fig. 3 is the front view of the utility model；
In figure: 1, assembling shell；2, mounting seat；3, support frame；4, incoming line；5, temperature-sensitive particle；6, copper sheet；7, it compresses
Spring；8, supporting block；9, trip spring；10, mobile guide post；11, contact groove；12, porcelain bushing；13, fixed guide post；14, ring
Oxygen resin film；15, line outlet；16, thermovent.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model is the following technical schemes are provided: a kind of electric system fuse, including assembly
Shell 1, mobile guide post 10, contact groove 11 and fixed guide post 13, the side of assembly shell 1 are provided with mounting seat 2, mounting seat
2 two sides are provided with symmetrical setscrew, facilitate and mounting seat 2 is fixedly mounted on wall, assembly shell 1 and peace
Filling setting between pedestal 2, there are two symmetrical support frames 3, the top of assembly shell 1 to be provided with incoming line 4, assemble shell 1
Bottom line outlet 15 is installed, the connection type of incoming line 4 and line outlet 15 and assembly shell 1 is socket, assembly shell 1
It is internally provided with temperature-sensitive particle 5, the lower section of incoming line 4 is arranged in temperature-sensitive particle 5, and the lower section of temperature-sensitive particle 5 is provided with copper sheet 6,
The lower section of copper sheet 6 is provided with compressed spring 7, and the lower section of told compressed spring 7 is provided with copper sheet 6, and the lower section of copper sheet 6 is equipped with branch
Bracer 8, the lower section of supporting block 8 are equipped with trip spring 9, and trip spring 9 is internally provided with mobile guide post 10, mobile guide post 10
Side be mounted in contact groove 11, the lower section of contact groove 11 is provided with fixed guide post 13, contact groove 11 and mobile guide post 10 and
The connection type of fixed guide post 13 is to be connected together, and guide post 10 easy to remove is skidded off from contact groove 11, outside fixed guide post 13
Side is equipped with porcelain bushing 12, and porcelain bushing 12 and the connection type for fixing guide post 13 are embedded connection, and porcelain bushing 12 is arranged
In the inside of assembly shell 1, the bottom of fixed guide post 13 is connected with line outlet 15, and the outer surface of assembly shell 1 is provided with epoxy
Resin film 14, the outside of assembly shell 1 are equipped with symmetrical thermovent 16, and thermovent 16 and assembly shell 1 are integral type
Structure, the timely heat dissipation inside shell 1 convenient for assembly.
The working principle and process for using of the utility model: the utility model installs mounting seat 2 by setscrew
It connects on the line on wall, then by incoming line 4 and line outlet 15, when the electric current in route is larger, assembles in shell 1
Temperature-sensitive particle 5 can dissolve distillation and fall, and under the action of compressed spring 7 and trip spring 9, copper sheet 6 and mobile guide post 10 are upwards
It moves, the bottom of mobile guide post 10 will be no longer in contact in contact groove 11 with fixed guide post 13, lead to mobile guide post 10
On electric current will not be oriented to contact groove 11, open circuit occurs for entire route.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of electric system fuse, including assembly shell (1), mobile guide post (10), contact groove (11) and fixed guide post
(13), it is characterised in that: the side of assembly shell (1) is provided with mounting seat (2), the assembly shell (1) and installation
Setting is provided with incoming line at the top of the assembly shell (1) there are two symmetrical support frame (3) between pedestal (2)
(4), the bottom of assembly shell (1) is equipped with line outlet (15), and assembly shell (1) is internally provided with temperature-sensitive particle
(5), temperature-sensitive particle (5) setting is provided with copper sheet (6) below the lower section of incoming line (4), the temperature-sensitive particle (5),
It is provided with compressed spring (7) below the copper sheet (6), is provided with copper sheet (6), the copper below the compressed spring (7)
It is equipped with below piece (6) supporting block (8), trip spring (9), the trip spring is installed below the supporting block (8)
(9) be internally provided with mobile guide post (10), the side of the mobile guide post (10) are mounted in contact groove (11), the contact
It is provided with below slot (11) fixed guide post (13), is equipped with porcelain bushing (12) on the outside of the fixed guide post (13), it is described
In the inside of assembly shell (1), the bottom of the fixed guide post (13) is connected with line outlet (15), institute for porcelain bushing (12) setting
The outer surface for stating assembly shell (1) is provided with epoxy resin film (14), is equipped on the outside of the assembly shell (1) symmetrically
Thermovent (16).
2. a kind of electric system fuse according to claim 1, it is characterised in that: the two of the mounting seat (2)
Side is provided with symmetrical setscrew.
3. a kind of electric system fuse according to claim 1, it is characterised in that: the incoming line (4) and outlet
Mouth (15) and the connection type of assembly shell (1) are socket.
4. a kind of electric system fuse according to claim 1, it is characterised in that: the contact groove (11) and movement
The connection type of guide post (10) and fixed guide post (13) is to be connected together.
5. a kind of electric system fuse according to claim 1, it is characterised in that: the porcelain bushing (12) and solid
The connection type for determining guide post (13) is embedded connection.
6. a kind of electric system fuse according to claim 1, it is characterised in that: the thermovent (16) and assembly
Shell (1) is an integral structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820326903.2U CN208225829U (en) | 2018-03-10 | 2018-03-10 | A kind of electric system fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820326903.2U CN208225829U (en) | 2018-03-10 | 2018-03-10 | A kind of electric system fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208225829U true CN208225829U (en) | 2018-12-11 |
Family
ID=64531229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820326903.2U Expired - Fee Related CN208225829U (en) | 2018-03-10 | 2018-03-10 | A kind of electric system fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208225829U (en) |
-
2018
- 2018-03-10 CN CN201820326903.2U patent/CN208225829U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181211 Termination date: 20190310 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |