Utility model content
The purpose of this utility model is to provide a kind of enclosed type expulsion fuse, is set on the enclosed type expulsion fuse
There is monitoring component, the on off operating mode of fuse Internal fuse can be monitored, so as to be the quick event for determining distribution transformer or circuit
Hinder position and condition is provided, be conducive to shortening the repair time, improve overhaul efficiency.
In order to solve the above technical problems, the utility model provides a kind of enclosed type expulsion fuse, including fuse sheet
Body, the fuse, which has in cavity, the cavity, is provided with cartridge fuse;Also include being installed on the fuse
Monitoring component, the position of the monitoring component is corresponding with the position of the cartridge fuse;The monitoring component is used to monitor described melt
The on off operating mode of fiber tube Internal fuse.
Optionally, in addition to upper end electrode and lower end electrode, the upper end electrode is located at the top of the cartridge fuse, and with
The cartridge fuse connection, the lower end electrode is located at the lower section of the cartridge fuse, and is connected with the cartridge fuse.
Optionally, the upper end electrode is connected with upper outlet lead, and the upper outlet lead stretches out the fuse
Outside;The lower end electrode is connected with lower outlet lead, and the lower outlet lead is also stretched out outside the fuse.
Optionally, the fuse has been formed integrally with the top portion upper seal, the upper seal have with it is described
The lead channels of the upper lead outlet connection of fuse, the upper outlet lead stretches out the fusing by the lead channels
Device sheet is external;The portion integral of the fuse is formed with lower seal, and the lower seal has and the fuse
The lead channels of the lower lead outlet connection of body, the lower outlet lead stretches out the fuse by the lead channels
Outside.
Optionally, the upper seal and the lower seal are included close to the inner section of the fuse and remote
From the outer portion part of the fuse;Wherein, the section cun of the inner section is gradually reduced from inside to outside, the outer portion part
Cross-sectional sizes are consistent.
Optionally, the lower end of the fuse offers the opening for loading and unloading the cartridge fuse;The lower lead outlet
It is opened in the side wall of the fuse.
Optionally, the seal closure of the closure fuse lower ending opening is included.
Optionally, installation anchor ear is provided with the outer wall of the fuse, the installation anchor ear is used for will be described molten
Disconnected device body is installed on gold utensil.
Optionally, the monitoring component is specially the state position sensor for monitoring the cartridge fuse Internal fuse break-make.
The enclosed type expulsion fuse that the utility model is provided, is provided with monitoring component in fuse, wherein,
The position of monitoring component is corresponding in the position of fuse with cartridge fuse, and the monitoring component can monitor cartridge fuse Internal fuse
On off operating mode;When distribution transformer or circuit are in normal condition, monitoring component can monitor that cartridge fuse Internal fuse is in
Normally state;When being broken down in distribution transformer or circuit, fuse failure cartridge fuse is pushed out, so as to determine to melt
Fiber tube Internal fuse is in blown state.As above, the enclosed type expulsion fuse in this programme is provided with monitoring component, passes through prison
The on off operating mode that part can determine cartridge fuse Internal fuse is surveyed, so as to be the quick abort situation for determining distribution transformer or circuit
There is provided condition, be conducive to shortening the repair time, improve overhaul efficiency.
Embodiment
Core of the present utility model is to provide a kind of enclosed type expulsion fuse, is set on the enclosed type expulsion fuse
There is monitoring component, the on off operating mode of fuse Internal fuse can be monitored, so as to be the quick event for determining distribution transformer or circuit
Hinder position and condition is provided, be conducive to shortening the repair time, improve overhaul efficiency.
In order that those skilled in the art more fully understand the utility model scheme, below in conjunction with the accompanying drawings and specific implementation
The utility model is described in further detail for mode.
Fig. 1 is refer to, Fig. 1 is a kind of embodiment of enclosed type expulsion fuse provided by the utility model
Structural representation.
In the embodiment, enclosed type expulsion fuse includes fuse 1, and the fuse 1 has cavity,
Cartridge fuse 2 is installed in the cavity;The enclosed type expulsion fuse also includes the monitoring component for being installed on fuse 1
11, the position of the monitoring component 11 is corresponding with the position of cartridge fuse 2, and the monitoring component 11 is used to monitor the Internal fuse of cartridge fuse 2
On off operating mode.
The operation principle of enclosed type expulsion fuse is to form electric arc using melt itself fusing, and then electric arc is in high temperature
Under effect, the special material gasification in arc-extinguishing tube is produced into a large amount of gases, then electric arc is blown in current over-zero by this gas
Go out, and released cartridge fuse 2 outside fuse 1 by spring effect, form electric fracture, to cut-off circuit excision failure
Section circuit or faulty equipment.
As can be seen here, in distribution transformer or normal circuit, cartridge fuse 2 is located in fuse 1, in closed form
State, in distribution transformer or line fault, fuse failure cartridge fuse 2 can be pushed out fuse 1, to cut off failure.
The enclosed type expulsion fuse that the utility model is provided is provided with monitoring component 11 in fuse 1, should
The position that the position of monitoring component 11 and cartridge fuse 2 are located in fuse 1 is corresponding, when distribution transformer or circuit are normally transported
During row, cartridge fuse 2 is located in fuse 1, and monitoring component 11 can monitor cartridge fuse 2, so that it is determined that being melted in cartridge fuse 2
Silk is in normally state, when because of distribution transformer or circuit generation excessively stream or short trouble, fuse failure cartridge fuse 2 is pushed away
Go out after fuse 1, monitoring component 11 then monitors that the location status of cartridge fuse 2 changes, so that it is determined that being melted in cartridge fuse 2
Silk is in blown state.So, set on enclosed type expulsion fuse after monitoring component 11, can by monitoring component 11
The on off operating mode of the Internal fuse of cartridge fuse 2 is determined, the setting of monitoring component 11 is to the quick failure for positioning distribution transformer or circuit
Section provides condition, so that when distribution transformer or circuit break down, can quick fault location, shorten when overhauling
Between, improve overhaul efficiency.
Specifically, each enclosed type expulsion fuse in power distribution network passes through the cartridge fuse 2 that monitors monitoring component 11
The local monitoring terminal of Internal fuse on off operating mode access, such as distribution transformer monitoring terminal (TTU), local monitoring terminal is through communication system
Unite and be connected with monitoring the main station system of distribution running status, so, main station system can obtain each enclosed type expulsion fuse
Monitoring component 11 monitoring result, when distribution transformer or circuit break down, to quickly locate abort situation.
In specific scheme, fuse 1 is insulator structure, to reach preferably insulation effect, it is to avoid fuse
Each part is influenceed by ambient environmental factors.
The enclosed type expulsion fuse also includes upper end electrode 3 and lower end electrode 5, and both of which is located at fuse 1
Inside, wherein, upper end electrode 3 is located at the top of cartridge fuse 2, and is connected with cartridge fuse 2, and lower end electrode 5 is located under cartridge fuse 2
Side, and be connected with cartridge fuse 2.So, upper end electrode 3, lower end electrode 5 and cartridge fuse 2 are respectively positioned on the inside of fuse 1,
The structure of all insulation can be realized, the reliability of fuse is improved.
Specifically, upper end electrode 3 is connected with upper outlet lead 4, and upper outlet lead 4 is drawn outside fuse 1, lower end electricity
Pole 5 is connected with lower outlet lead 6, and lower outlet lead 6 is also drawn outside fuse 1.
In specific scheme, upper seal 8 has been formed integrally with the top portion in fuse 1, the upper seal 8 have with
The lead channels of the upper lead outlet connection of fuse 1, upper outlet lead 4 is formed directly into after the stretching of upper lead outlet
The lead channels of seal 8, so, upper outlet lead 4 stretch out fuse 1 by the upper seal 8 with lead channels
Outside.
Lower seal 9 is formed with the portion integral of fuse 1, the lower seal 9 has and fuse 1
The lead channels of lower lead outlet connection, lower outlet lead 6 is formed directly into the lead of lower seal 9 after the stretching of lower lead outlet
Passage, so, lower outlet lead 6 are stretched out outside fuse 1 by the lower seal 9 with lead channels.
Wherein, the lower end for being opened in fuse 1 of cartridge fuse 2 will be generally loaded and unloaded, on the one hand facilitates cartridge fuse 2
Handling, another convenience can prevent the entrance of the pollutant such as dust as far as possible, on this basis, outer lead outlet is opened in molten
The side wall of the disconnected bottom of device body 1, as shown in Figure 1, it will be understood that after so setting, the center of upper seal 8 and lower seal 9
Line is mutually perpendicular to.
Specifically, upper seal 8 and lower seal 9 are integrally formed rubber, are on the one hand conducive to keeping insulating properties,
On the other hand it is easy to machine-shaping.
Specifically, upper seal 8 and lower seal 9 are included close to the inner section of fuse 1 and away from fuse
The outer portion part of body 1, as shown in figure 1, wherein, the section of inner section is gradually reduced from inside to outside, the cross-sectional sizes one of outer portion part
Cause, that is to say, that upper seal 8 and lower seal 9 are larger size, Neng Gouti with the part that fuse 1 is connected
The reliability of height connection.
More specifically, as illustrated, the roughly triangular knot of the section of the inner section of upper seal 8 and lower seal 9
Structure.
As shown in figure 1, in specific scheme, fuse 1 is formed with some projections with the position that upper seal 8 is connected
Portion, when upper seal 8 is integrally formed at fuse 1, can form the inner fovea part with each raised portion fits, in such manner, it is possible to make
The connection for obtaining upper seal 8 and fuse 1 is more fastened reliably;Similarly, the company of lower seal 9 and fuse 1
The place of connecing similar can also be set.
In specific scheme, enclosed type expulsion fuse also includes seal closure 7, for blocking the lower end of fuse 1
Opening.
In specific scheme, installation anchor ear 10 is provided with the outer wall of fuse 1, can be by by installing anchor ear 10
Fuse is installed on corresponding gold utensil.
On this basis, foregoing monitoring component 11 can be arranged on installation anchor ear 10, the Internal fuse of cartridge fuse 2 can be monitored
On off operating mode.
In scheme shown in Fig. 1, anchor ear 10 is installed and is located at the top position in the middle part of fuse 1, to ensure that fuse is pacified
Stability and reliability on gold utensil.Certainly, according to actual installation demand, installing the position of anchor ear 10 can suitably adjust
It is whole.
Monitoring component 11 is arranged on installation anchor ear 10, so, the peace of monitoring component 11 is installed without individually setting again
Assembling structure, certainly, if the installation site for installing anchor ear 10 in practice can not meet wanting for the monitoring cartridge fuse 2 of monitoring component 11
Ask, also can specially set mounting structure monitoring component 11 is installed.
In specific scheme, monitoring component 11 can be the state position sensor of the monitoring Internal fuse break-make of cartridge fuse 2, when
When cartridge fuse 2 is located in fuse 1, position sensor can monitor that fuse is in the conduction state, when cartridge fuse 2 is pushed away
When going out fuse 1, it can monitor that fuse is in blown state, so as to determine the on off operating mode of the Internal fuse of cartridge fuse 2.
Certainly, during actual setting, monitoring component 11 can also monitor the sense of the Internal fuse on off operating mode of cartridge fuse 2 for other
Answer device.
A kind of enclosed type expulsion fuse provided by the utility model is described in detail above.Herein should
Principle of the present utility model and embodiment are set forth with specific case, the explanation of above example is only intended to side
Assistant solves method of the present utility model and its core concept.It should be pointed out that for those skilled in the art,
On the premise of the utility model principle is not departed from, some improvement and modification can also be carried out to the utility model, these improvement
Also fallen into modification in the utility model scope of the claims.