CN208889599U - A kind of high-pressure injection formula enclosed type fuse - Google Patents
A kind of high-pressure injection formula enclosed type fuse Download PDFInfo
- Publication number
- CN208889599U CN208889599U CN201821851455.4U CN201821851455U CN208889599U CN 208889599 U CN208889599 U CN 208889599U CN 201821851455 U CN201821851455 U CN 201821851455U CN 208889599 U CN208889599 U CN 208889599U
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- CN
- China
- Prior art keywords
- fuse
- chassis
- porcelain bushing
- colored ribbon
- fixed contact
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Abstract
The utility model provides a kind of high-pressure injection formula enclosed type fuse, relates generally to field of electrical equipment.A kind of high-pressure injection formula enclosed type fuse, including fuse and indication box, the fuse includes chassis porcelain bushing, cartridge fuse and fuse, rubber closure is arranged in setting guide pipe and arc extinguishing stick inside the chassis porcelain bushing, the chassis porcelain bushing bottom, is cavity inside the indication box, colored ribbon is arranged in the cavity inside, encapsulating film is arranged in the colored ribbon bottom setting guiding hammer, the cavity bottom, and the encapsulating film is used for colored ribbon and guiding hammer limit.The utility model has the beneficial effects that: the utility model can excite instruction device in fuse failure, fuse tube pop-up, service personnel is allow to clearly distinguish abort situation.
Description
Technical field
The utility model relates generally to field of electrical equipment, specifically a kind of high-pressure injection formula enclosed type fuse.
Background technique
The fuse that country's overhead distribution uses at present belongs to non-all insulation equipment, contact is naked based on drop type
Dew, therefore there are high failure rate, easy pollution flashover, easy to fall off, the operation drawbacks such as risky, it is always in route all insulation process
Insoluble problem.Especially in tree line contradiction, fuse accounts for significant proportion since the exposed part of electrification causes to have a power failure,
In order to improve circuit reliability, the research for carrying out the insulating technology of fuse is very necessary.What is had currently on the market is complete exhausted
Edge high-pressure injection formula fuse is a kind of equipment of Totally-enclosed-type, has the characteristics that antifouling property is good, and it is molten to solve drop type
Disconnected device high failure rate, easy pollution flashover, the drawbacks such as easy to fall off, operation is risky.Full-insulating high-voltage expulsion fuse working principle is
Electric arc is formed using melt itself fusing, then under high arc temperature effect, the special material gasification in arc-extinguishing tube is generated big
Gas is measured, then blows out electric arc by this gas, and is released fusion tube movable part outside fuse by spring effect,
Electrical fracture is formed, to cut-off circuit, cuts off faulty section route or faulty equipment.But at present in specific use process
In, since fuse pipe diameter is thinner, in the higher situation of equipment installation position, especially at night and bad lighting conditions, fuse
It is not readily observed after fusing, cartridge fuse pop-up.
Utility model content
To solve the deficiencies in the prior art, the utility model provides a kind of high-pressure injection formula enclosed type fuse, its energy
It is enough to excite instruction device in fuse failure, fuse tube pop-up, so that service personnel is clearly distinguished abort situation.
The utility model to achieve the above object, is achieved through the following technical solutions:
A kind of high-pressure injection formula enclosed type fuse, including fuse and indication box, the fuse include
Chassis porcelain bushing, cartridge fuse and fuse, the cartridge fuse are connect with chassis porcelain bushing internal slide, and the cartridge fuse includes casing and cunning
Pipe, the slip pipe are connect with cannula slide, and spring, the indication box top and slip pipe bottom are arranged between the slip pipe and casing
It is detachably fixed connection, the indication box is located at bottom in chassis porcelain bushing, and fastening bolt, the fuse is arranged in described sleeve pipe bottom
Be mounted on inside cartridge fuse, the fuse bottom is arranged conducting wire, and copper nose is arranged far from fuse one end in the conducting wire, the copper nose with
Fastening bolt is adapted, and the chassis porcelain bushing inner top and bottom are respectively set fixed contact and lower fixed contact, it is described on
It is connected with upper connecting terminal on fixed contact, is connected with lower connecting terminal on the lower fixed contact, inside the chassis porcelain bushing
Upper fixed contact and lower fixed contact between guide pipe and arc extinguishing stick, setting in the chassis porcelain bushing below the guide pipe are set
Clip, the casing and clip of the fuse bottom of the tube are adapted, and rubber closure, the instruction is arranged in the chassis porcelain bushing bottom
Box can pass through rubber closure, be cavity inside the indication box, and colored ribbon, the colored ribbon bottom setting are arranged in the cavity
Encapsulating film is arranged in guiding hammer, the cavity bottom, and the encapsulating film is used for colored ribbon and guiding hammer limit.
The colored ribbon is fluorescence and reflective colored ribbon.
The colored ribbon color is three kinds of colors of corresponding three-phase alternating current three-phase.
Guiding hammer bottom is taper.
The prior art is compared, the beneficial effects of the utility model are:
The utility model is additionally arranged at the bottom indication box in fuse, and when fuse failure, fuse tube pop-up, guiding hammer exists
Encapsulating film can be punctured under effect of inertia, encapsulating film can release the colored ribbon in cavity under the drive of guiding hammer after being punctured
It puts, colored ribbon can make service personnel clearly distinguish abort situation as eye-catching marker, and timely to faulty circuit
It is overhauled, excludes line fault as early as possible.
Detailed description of the invention
Attached drawing 1 is the utility model structure diagram；
Attached drawing 2 is the utility model cartridge fuse ejecting structure schematic diagram；
Attached drawing 3 is the portion the utility model A partial enlargement structural representation.
Label shown in attached drawing: 1, fuse；2, indication box；3, chassis porcelain bushing；4, cartridge fuse；5, fuse；6, it covers
Pipe；7, slip pipe；8, spring；9, fastening bolt；10, copper nose；11, upper fixed contact；12, lower fixed contact；13, upper terminals
Son；14, lower connecting terminal；15, guide pipe；16, arc extinguishing stick；17, clip；18, rubber closure；19, cavity；20, colored ribbon；
21, guiding hammer；22, encapsulating film.
Specific embodiment
With reference to the drawings and specific embodiments, the utility model is described in further detail.It should be understood that these embodiments are only used for
Illustrate the utility model rather than limitation the scope of the utility model.In addition, it should also be understood that, having read the utility model instruction
Content after, those skilled in the art can make various changes or modifications the utility model, and such equivalent forms are equally fallen
In range defined herein.
As shown in Figure 1-3, a kind of high-pressure injection formula enclosed type fuse described in the utility model, including fuse 1
With indication box 2, the fuse 1 includes chassis porcelain bushing 3, cartridge fuse 4 and fuse 5, and the chassis porcelain bushing is as insulation dress
It sets and internal connection line is protected, internal wiring is prevented to be contaminated.The cartridge fuse 4 is slided with inside chassis porcelain bushing 3
Dynamic connection, the cartridge fuse 4 include casing 6 and slip pipe 7, and the slip pipe 7 is slidably connected with casing 6, the slip pipe 7 and casing 6
Between spring 8 is set, 2 top of the indication box is detachably fixed with 7 bottom of slip pipe to be connect, and the indication box 2 is located at pedestal porcelain
Fastening bolt 9 is arranged in bottom in set 3,6 bottom of described sleeve pipe, and the fuse 5 is mounted on inside cartridge fuse 4,5 bottom of fuse
Conducting wire is set, and copper nose 10, when fuse to be installed in cartridge fuse 4, the related copper of conducting wire is arranged far from fuse one end in the conducting wire
Nose stretches out 7 bottom of slip pipe, presses slip pipe 7, makes 7 compressed spring of slip pipe, and slide into casing 6, copper nose is then hung over fastening spiral shell
On bolt 9, after screwing fastening bolt, fasten copper nose.Fixed contact is respectively set in 3 inner top of chassis porcelain bushing and bottom
11 and lower fixed contact 12, upper connecting terminal 13 is connected on fixed contact 11, is connected on the lower fixed contact 12
There is lower connecting terminal 14, guide pipe 15 is set between the upper fixed contact 11 and lower fixed contact 12 inside the chassis porcelain bushing 3
With arc extinguishing stick 16, the chassis porcelain bushing 3 of 15 lower section of guide pipe is interior to be arranged clip 17, the casing 6 and card of 4 bottom of cartridge fuse
Hoop 17 matches, and prevents cartridge fuse from dropping out.Rubber closure 18 is arranged in 3 bottom of chassis porcelain bushing, and the indication box 2 can be worn
Rubber closure 18 is crossed, is cavity 19 inside the indication box 2, colored ribbon 20 is set in the cavity 19, the colored ribbon 20 is soft
Softwood matter, 20 bottom of the colored ribbon setting guiding hammer 21, the guiding hammer are hard guiding hammer, 19 bottom of the cavity setting envelope
Film 22 is filled, the encapsulating film 22 is used for 21 limit of colored ribbon 20 and guiding hammer.When fuse failure, cartridge fuse pop-up, indication box
Cartridge fuse is followed to pop up, cartridge fuse notifies after popping up a distance, and guiding hammer continues to fall under effect of inertia, crashes through encapsulating film
22, it carries colored ribbon 20 and hangs down below chassis porcelain bushing 3, colored ribbon can be such that service personnel clearly distinguishes as eye-catching marker
Abort situation, and timely faulty circuit is overhauled, exclude line fault as early as possible.
Preferably, the colored ribbon 20 is fluorescence and reflective colored ribbon, in the region that night or light are bad, fluorescence and reflective
Colored ribbon can self-luminous and reflection light, keep the marker of abort situation more eye-catching, service personnel enable clearly to differentiate
It is out of order position, makes disposition as early as possible.
Preferably, 20 color of colored ribbon is three kinds of colors of corresponding three-phase alternating current three-phase.Pass through the coloured silk of different colours
Band can allow service personnel to tell which of three-phase alternating current and mutually break down.
Preferably, it is taper that 21 bottoms are hammered in the guiding, which into shape,.The bottom of taper can make guiding hammer be easier to puncture encapsulating film
22, so that colored ribbon be made to be easier to be found by service personnel under the guidance of guiding hammer, and disposition is made as early as possible.
Embodiment:
A kind of high-pressure injection formula enclosed type fuse, including fuse 1 and indication box 2, the fuse 1 are wrapped
Chassis porcelain bushing 3, cartridge fuse 4 and fuse 5 are included, the chassis porcelain bushing is ceramic material, inside the cartridge fuse 4 and chassis porcelain bushing 3
It is slidably connected, the cartridge fuse 4 includes casing 6 and slip pipe 7, and the slip pipe 7 can slide in casing 6, and the indication box 2 pushes up
Portion is detachably fixed with 7 bottom of slip pipe and connect, and indication box described in the present embodiment is threadedly coupled with slip pipe, the indication box 2
In bottom in chassis porcelain bushing 3, indication box described in the present embodiment is rigid plastics material.It is arranged between the slip pipe 7 and casing 6
Fastening bolt 9 is arranged in spring 8,6 bottom of described sleeve pipe, and the fuse 5 is mounted on inside cartridge fuse 4,5 bottom of the fuse connection
Conducting wire, the conducting wire connect copper nose 10 far from fuse one end, and the copper nose 10 can be affiliated in fastening bolt 9, by screwing
Fastening bolt can fix copper nose, and fixed contact 11 and lower fixation are inlayed in 3 inner top of chassis porcelain bushing and bottom respectively
Contact 12 has been bolted upper connecting terminal 13 on fixed contact 11, has been bolted on the lower fixed contact 12
15 He of guide pipe is arranged between the upper fixed contact 11 and lower fixed contact 12 inside the chassis porcelain bushing 3 in lower connecting terminal 14
Arc extinguishing stick 16, the chassis porcelain bushing 3 of 15 lower section of guide pipe is interior to be arranged clip 17, the casing 6 and clip of 4 bottom of cartridge fuse
17 are adapted, and rubber closure 18 is arranged in 3 bottom of chassis porcelain bushing.It is cavity 19, the cavity 19 inside the indication box 2
Interior setting colored ribbon 20, described colored ribbon one end are fixed with 19 inner wall screw of cavity, and the colored ribbon is nylon material, the colored ribbon volume 20
Dress is stored in cavity 19, and colored ribbon 20 described in the present embodiment is fluorescence and reflective colored ribbon, and 20 color of colored ribbon is corresponding three
The red green three kinds of colors of indigo plant of phase alternating current three-phase.The fixed guiding hammer 21 of 20 lower screws of colored ribbon, the guiding hammer is metal
Material, the bottom of guiding hammer described in the present embodiment are taper, and encapsulating film 22 is arranged in 19 bottom of cavity, and the encapsulating film 22 is used
In to 21 limit of colored ribbon 20 and guiding hammer, encapsulating film described in the present embodiment is rigid plastics thin slice, and the slip pipe 7 is in fuse 5
It can be popped up under the effect of spring 8 when fusing, when slip pipe is when being ejected into lowermost end stopping, guiding hammer punctures under effect of inertia
Encapsulating film, and drive colored ribbon sagging below chassis porcelain bushing.The beneficial effect of the present embodiment is: the present embodiment passes through pedestal porcelain
Set punctures encapsulating film, colored ribbon can be discharged, to indicate abort situation, service personnel be enable to find failure in time
Position.
Claims (4)
1. a kind of high-pressure injection formula enclosed type fuse, including fuse (1) and indication box (2), it is characterized in that: described molten
Disconnected device ontology (1) includes chassis porcelain bushing (3), cartridge fuse (4) and fuse (5), and the cartridge fuse (4) and chassis porcelain bushing (3) are internal
It is slidably connected, the cartridge fuse (4) includes casing (6) and slip pipe (7), and the slip pipe (7) is slidably connected with casing (6), described
Spring (8) are set between slip pipe (7) and casing (6), is detachably fixed and connect with slip pipe (7) bottom at the top of the indication box (2),
The indication box (2) is located at chassis porcelain bushing (3) interior bottom, and fastening bolt (9) are arranged in described sleeve pipe (6) bottom, the fuse (5)
It is internal to be mounted on cartridge fuse (4), conducting wire is arranged in fuse (5) bottom, and copper nose (10) are arranged far from fuse one end in the conducting wire,
The copper nose (10) and fastening bolt (9) are adapted, and fixed contact is respectively set in chassis porcelain bushing (3) inner top and bottom
(11) and lower fixed contact (12) it, is connected with upper connecting terminal (13) on fixed contact (11), the lower fixed contact
(12) it is connected on lower connecting terminal (14), the chassis porcelain bushing (3) internal upper fixed contact (11) and lower fixed contact
(12) guide pipe (15) and arc extinguishing stick (16) are set between, clip is set in the chassis porcelain bushing (3) below the guide pipe (15)
(17), the casing (6) of cartridge fuse (4) bottom and clip (17) are adapted, and chassis porcelain bushing (3) the bottom setting rubber is close
It covers (18), the indication box (2) can pass through rubber closure (18), be inside the indication box (2) cavity (19), described
Colored ribbon (20) are set in cavity (19), colored ribbon (20) the bottom setting guiding hammer (21), cavity (19) the bottom setting envelope
It fills film (22), the encapsulating film (22) is used for colored ribbon (20) and guiding hammer (21) limit.
2. a kind of high-pressure injection formula enclosed type fuse according to claim 1, it is characterized in that: the colored ribbon (20) is glimmering
Light and reflective colored ribbon.
3. a kind of high-pressure injection formula enclosed type fuse according to claim 1, it is characterized in that: the colored ribbon (20) color
For three kinds of colors of corresponding three-phase alternating current three-phase.
4. a kind of high-pressure injection formula enclosed type fuse according to claim 1, it is characterized in that: (21) bottom is hammered in the guiding into shape
Portion is taper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821851455.4U CN208889599U (en) | 2018-11-09 | 2018-11-09 | A kind of high-pressure injection formula enclosed type fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821851455.4U CN208889599U (en) | 2018-11-09 | 2018-11-09 | A kind of high-pressure injection formula enclosed type fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208889599U true CN208889599U (en) | 2019-05-21 |
Family
ID=66518094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821851455.4U Expired - Fee Related CN208889599U (en) | 2018-11-09 | 2018-11-09 | A kind of high-pressure injection formula enclosed type fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208889599U (en) |
-
2018
- 2018-11-09 CN CN201821851455.4U patent/CN208889599U/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: 20190521 Termination date: 20201109 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |