CN208622670U - A kind of mutual inductor, high-voltage and current-limitation fuse and its ram - Google Patents
A kind of mutual inductor, high-voltage and current-limitation fuse and its ram Download PDFInfo
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- CN208622670U CN208622670U CN201821133286.0U CN201821133286U CN208622670U CN 208622670 U CN208622670 U CN 208622670U CN 201821133286 U CN201821133286 U CN 201821133286U CN 208622670 U CN208622670 U CN 208622670U
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- ram
- tube
- voltage
- current
- fusible link
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Abstract
The utility model belongs to high voltage electrical apparatus technical field more particularly to a kind of ram and the high-voltage and current-limitation fuse comprising the ram.The setting that the utility model passes through titanium steel silk, the first copper tube, insulation sleeve, outer sleeve, elastomeric element, impacting tube, stainless steel wire, the second copper tube, stop collar and brass pad in ram, it is the setting for including above-mentioned ram and retainer ring, epoxy tube, the first outer cap, fixed mechanism, quartz sand and the second outer cap, it realizes when overhead transmission line breaks down, the guilty culprit position indicative signal on route can explicitly be provided, to in time, accurately debug, the time of breakdown repair has been saved；The utility model provides that a kind of size is smaller, and conducive to the 10KV overhead transmission line mutual inductor protection high-voltage and current-limitation fuse for being built in 10KV overhead transmission line mutual inductor, the utility model effectively protects overhead transmission line mutual inductor, prevents large-area power-cuts.
Description
Technical field
The utility model belongs to high voltage electrical apparatus technical field more particularly to a kind of ram and the high pressure comprising the ram
Limiting fuse.
Background technique
10KV overhead transmission line mutual inductor currently on the market has the following deficiencies: in use
One, 10KV overhead transmission line mutual inductor does not have any protection in route at present, and one the problem of line short occurs,
Large-area power-cuts to occur.
Two, it currently, protecting the fuse of voltage transformer in the market, is substantially all in low current without signal designation function
Can and it be unable to charged for replacement, when a failure occurs, when cannot intuitively find out guilty culprit position, the in this way judgement of meeting delay faults
Between.
Three, the high-voltage current-limiting fuse for protecting voltage transformer of the prior art, size is larger, is unfavorable for being built in 10KV
Overhead transmission line mutual inductor.
Four, in the prior art, high-voltage current-limiting fuse for potential transformer melt is to be connected with 3 filaments, cannot provide
The indication signal of specific guilty culprit position.
Utility model content
One of the purpose of this utility model is to provide a kind of 10KV overhead transmission line mutual inductor guarantor with route protection function
Shield uses high-voltage and current-limitation fuse；The second purpose is to provide one kind when a failure occurs, can provide specific guilty culprit position and refer to
Show signal, thus the 10KV overhead transmission line mutual inductor protection high-voltage and current-limitation fuse in time, accurately debugged；Purpose it
Three are to provide that a kind of size is smaller, conducive to the 10KV overhead transmission line mutual inductor protection of 10KV overhead transmission line mutual inductor is built in high
Press limiting fuse.
To achieve the above object, the technical solution of the utility model is achieved in that
A kind of ram of high-voltage and current-limitation fuse, including at least the outer sleeve that top is opening and by outer sleeve opening
End cap connects the impacting tube in outer sleeve, and impacting tube top closure bottom end has through-hole, and outer sleeve bottom end also has and impacting tube
The concentric through-hole in bottom end hits tube inner chamber top and is equipped with pad, also compresses between impacting tube bottom end upper surface and pad lower surface
Flexible component, pad lower surface are fixedly connected with one end of the first fusible link, and the other end of the first fusible link, which sequentially passes through, to be hit
The bottom end through-hole for hitting cylinder and outer sleeve extends to outside outer sleeve.
The elastomeric element be spring, a length of 70mm of spring, race diameter 5.5mm, inner ring diameter 4.7mm,
Pop-up strength is 20N~30N.
The pad lower surface center is vertically and fixedly provided with the second fixing pipe, and pad lower surface passes through the second fixing pipe and the
One end of one fusible link is fixedly connected, and the other end of the first fusible link extends to the one of the part outside outer sleeve and the first fixing pipe
End is fixedly connected, and the other end of the first fixing pipe is fixedly connected with the second fusible link.
First fusible link and the second fusible link is titanium steel silk.
First fusible link and the second fusible link is a fusible link, which extends to the part outside outer sleeve
Run through the first fixing pipe through the through-hole at the first fixing pipe axle center.
Fixed between the apical lateral wall and outer sleeve open end inner wall of the impacting tube by stop collar, impacting tube and
The bottom end through hole of outer sleeve is connected with insulation sleeve, there is the through-hole passed through for the first fusible link at insulation sleeve axle center.
A kind of high-voltage and current-limitation fuse further includes epoxy tube including the ram, and ram is fixed on epoxy tube one
In the port at end and the port is blocked, and the impacting tube top of ram is protruding to outside epoxy tube, the first of ram bottom end is molten
Fracture of wire is fixedly connected with the other end inner wall of epoxy tube, and remaining space fills quartz sand in epoxy tube.
The first outer cap is socketed on the outside of one end of the fixed ram of the epoxy tube, the first outer cap center is provided with round logical
The top in hole, ram is socketed and is sealed with epoxy tube by retainer ring, and the impacting tube top of ram passes through the first outer cap
Circular through hole is protruding to outside the first outer cap through-hole；First fusible link of ram bottom end passes through the other end of hanging wire piece and epoxy tube
It is fixedly connected；The outer wall of epoxy tube connection hanging wire bit end is socketed with the second outer cap；The pipe diameter of the epoxy tube is 15-
25mm。
A kind of mutual inductor, including the high-voltage and current-limitation fuse.
The utility model has the beneficial effects that the utility model passes through ram, retainer ring, epoxy tube, the first outer cap, fixed machine
The setting of structure, quartz sand and the second outer cap realizes when overhead transmission line breaks down, can explicitly provide the failure on route
Position indication signal has saved the time of breakdown repair in time, accurately debug；The utility model provides
A kind of size is smaller, conducive to the 10KV overhead transmission line mutual inductor protection high-voltage and current-limitation for being built in 10KV overhead transmission line mutual inductor
Fuse, the utility model effectively protect overhead transmission line mutual inductor, prevent large-area power-cuts, ensure that power supply line
Safety.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model ram structural schematic diagram；
Fig. 3 is the utility model epoxy tube structural schematic diagram；
Fig. 4 is the outer cap structure schematic diagram of the utility model second；
Fig. 5 is the outer cap structure schematic diagram of the utility model first；
Fig. 6 is the utility model insulation sleeve structural schematic diagram.
In figure, the outer cap of 1- second；2- epoxy tube；3- quartz sand；4- titanium steel silk；5- ram；The outer cap of 6- first；7- card
Circle；8- hanging wire piece；The first fixing pipe of 9-；10- insulation sleeve；11- outer sleeve；12- elastomeric element；13- impacting tube；14- first is molten
Fracture of wire；The second fixing pipe of 15-；16- stop collar；17- pad
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 describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment one:
A kind of ram as shown in figs. 1,2 and 6, a kind of ram of high-voltage and current-limitation fuse, it is characterised in that:
It is socketed in the impacting tube 13 in outer sleeve 11 including at least the outer sleeve 11 that top is opening and by 11 open end of outer sleeve, is hit
13 top closure bottom end of cylinder is hit with through-hole, 11 bottom end of outer sleeve also has the through-hole concentric with 13 bottom end of impacting tube, impacting tube
13 inner cavities top are equipped with pad 17, are also compressed with elastomeric element between 13 bottom end upper surface of impacting tube and 17 lower surface of pad, pad
17 lower surface of body is fixedly connected with one end of the first fusible link 14, the other end of the first fusible link 14 sequentially pass through impacting tube 13 and
The bottom end through-hole of outer sleeve 11 extends to outside outer sleeve 11.
Preferably the elastomeric element is spring 12, a length of 70mm of spring 12, race diameter 5.5mm, inner ring
Diameter is 4.7mm, and pop-up strength is 20N~30N.
Preferably the 17 lower surface center of pad is vertically and fixedly provided with the second fixing pipe 15, and 17 lower surface of pad passes through
Second fixing pipe 15 is fixedly connected with one end of the first fusible link 14, and the other end of the first fusible link 14 extends to outside outer sleeve 11
Part be fixedly connected with one end of the first fixing pipe 9, the other end of the first fixing pipe 9 is fixedly connected with the second fusible link 4.
Preferably first fusible link 14 and the second fusible link 4 is titanium steel silk.
Preferably first fusible link 14 and the second fusible link 4 is a fusible link, which extends to outer
The through-hole at 9 axle center of the first fixing pipe of part outside sleeve 11 runs through the first fixing pipe 9.
Preferably pass through stop collar between the 11 open end inner wall of apical lateral wall and outer sleeve of the impacting tube 13
16 is fixed, and the bottom end through hole of impacting tube 13 and outer sleeve 11 is connected with insulation sleeve 10, and insulation sleeve has at 10 axle center for first
The through-hole that fusible link 14 passes through.
In actual use, in order to guarantee the pop-up dynamics of ram 5, the utility model is by fluxing body in the prior art
Constantan wire uses the second fusible link 4 instead, and the second fusible link 4 is in tight state, and elastomeric element is in elastic maximum rating；Make second
Fusible link 4 reaches preferably tenses ram before being not powered on, and when short circuit or lightning stroke or overload occurs in route, electric current reaches fusing
The protection of device to greatest extent electric current when, at the appointed time, fluxing body, that is, titanium steel silk electric current generate at a high temperature of fuse, hit
Impacting tube 13 in the device quick bullet under the action of elastomeric element in elastic maximum rating is in spring under compressive state
Out, specific indication signal is provided.The ram 5 of the utility model increases pop-up dynamics under the action of elastomeric element, Du
The drawbacks of can not being popped up after fusing absolutely.A length of 70mm of spring 12, race diameter 5.5mm, inner ring diameter 4.7mm, bullet
Strength is 20N~30N out, has not only been able to satisfy installation dimension requirement, but also be able to achieve its function, opposite has saved cost.Insulation sleeve
10 use section for T-shaped cylindrical rubber set, play the role of good sealed insulation.First fusible link 14 uses titanium steel
Silk, one titanium steel silk of the first fusible link 14 and the second fusible link is substituted, the fixed company in titanium steel silk one end and 13 top of impacting tube
It connects, the titanium steel silk other end fixes position with hanging wire piece, and redundance, which is compressed, goes out outer end remaining portion with outer cap and epoxy tube gap
It dismisses, ensure that the tension and fusing effect of titanium steel silk.First fusible link 14 and the second fusible link 4 are a fusible links,
Keep tension effect and stability more preferable.Copper tube can be used in first fixing pipe 9 and the second fixing pipe 15；Pad 17 is red copper system
At.
Embodiment two:
A kind of high-voltage and current-limitation fuse as shown in Figure 1, including ram 5, further include epoxy tube 2, and ram 5 is fixed on
In the port of 2 one end of epoxy tube and the port is blocked, and 13 top of impacting tube of ram 5 is protruding to outside epoxy tube 2, ram
First fusible link 14 of 5 bottom ends is fixedly connected with the other end inner wall of epoxy tube 2, and remaining space fills quartz sand in epoxy tube 2
3。
In actual use, the utility model is built in inside 10KV overhead transmission line mutual inductor.When power supply line generates
Short circuit, lightning stroke or overload, electric current reach the protection of fuse to greatest extent electric current when, at the appointed time, helping in ram 5
Melt quick fuse, main line are isolated with secondary side, quartz sand arc quenching protection, and ram pops up signal device, and mutual inductor obtains
Protection, service personnel, directly in fault point maintenance, more exchange device, substantially reduce searching event according to the signal occurred on route
Hinder the time of point, so that repairing is in time, accurately, under the protection of the utility model, not will cause large-area power-cuts；Metering avoids
Misalignment reduces energy loss.In the present invention, the first outer cap 6 and the second outer cap 1 are used for the sealing of epoxy pipe port, ring
Oxygen pipe 2 is the shell of fuse, and preferable arc extinguishing under high temperature is played the role of in the filling of quartz sand, when actually filling quartz sand,
It needs to reach sand and fills the filling standard that closely knit, probe can not be inserted into.
The quartz sand 3 is glass sand, and the glass sand grit of different meshes is pressed: the grit matter of 30-40 mesh
Amount is than being 9-11%, and the grit mass ratio of 40-50 mesh is 40-45%, and the grit mass ratio of 50-60 mesh is 30-35%, 60-80
Purpose grit mass ratio is≤12%, remaining≤3% be uniformly mixed.
In actual use, the quartz sand in the utility model uses this arrangements, goes out at a high temperature of playing well
Arc effect.
Embodiment three:
A kind of high-voltage and current-limitation fuse as shown in Figure 1, Figure 4 and Figure 5, on the basis of example 2, the epoxy
It is socketed with the first outer cap 6 on the outside of one end of the fixed ram 5 of pipe 2, the first outer 6 center of cap is provided with circular through hole, the top of ram 5
End is socketed and is sealed with epoxy tube 2 by retainer ring 7, and 13 top of impacting tube of ram 5 passes through the circular through hole of the first outer cap 6
It is protruding to outside the first outer 6 through-hole of cap；First fusible link 14 of 5 bottom end of ram is solid by the other end of hanging wire piece 8 and epoxy tube 2
Fixed connection；The outer wall that epoxy tube 2 connects 8 end of hanging wire piece is socketed with the second outer cap 1；The pipe diameter of the epoxy tube 2 is 15-
25mm。
In actual use, epoxy tube 2 be thin, the intermediate thickness of pipe wall of both ends tube wall round tube shape structure and a diameter of 15-
25mm, the utility model, which is realized, is arranged ram in the fusion tube of small diameter, this is difficult to accomplish in the prior art.
Realize the 10KV overhead transmission line mutual inductor protection high-voltage and current-limitation fuse for being built in 10KV overhead transmission line mutual inductor.Retainer ring 7
Use so that the fixation between ram 5 and epoxy tube 2 is stronger, while enhancing leakproofness.In actual use, it hangs
Silk piece 8 is the cuboid copper sheet of the long a height of 3*1*0.15mm of * wide *, and one end of hanging wire piece 8 is fixed on titanium steel silk, for locking
The tightened position of tight second fusible link 4；Second fusible link 4 is tensed to the maximum limit tightened with spring 12, hanging wire piece 8 is fixed
In tension titanium steel silk close at the port of the in left side second outer cap, the left end of the second fusible link 4 is pressed on the second outer cap 1
Gap location clamping preferably secures the second fusible link 4 in this way, allows it not shift and by continuous after the power of outer cap and pipe compression
It opens.First outer cap 6 and the second outer cap 1 are circular bottle cap shape.In actual use, the first outer cap 6 and the second outer cap 1 use
This technical solution had both facilitated installation, there is the function of preferably realizing epoxy tube port sealing.
Example IV:
A kind of mutual inductor as shown in Figure 1, Figure 4 and Figure 5, including high-voltage and current-limitation fuse.
It is mutual to overcome 10KV overhead transmission line in the prior art in the actual use of 10KV overhead transmission line for the utility model
There is no any protection in sensor route, one the problem of line short occurs, the problem of large-area power-cuts will occurs, even if in small electricity
In the case of stream, also band signal instruction function can find out guilty culprit position, intuitively when a failure occurs so as to shorten failure
The judgement time.The utility model size is smaller, conducive to 10KV overhead transmission line is built in.
In conclusion by means of the above-mentioned technical proposal of the utility model, by top be open outer sleeve 11 and
Impacting tube 13 in outer sleeve 11 is socketed in by 11 open end of outer sleeve, 13 top closure bottom end of impacting tube has through-hole, housing
11 bottom ends of cylinder also have the through-hole concentric with 13 bottom end of impacting tube, and 13 inner cavity top of impacting tube is equipped with pad 17,13 bottom of impacting tube
Elastomeric element is also compressed between end upper surface and 17 lower surface of pad, 17 lower surface of pad and one end of the first fusible link 14 are solid
Fixed connection, the other end of the first fusible link 14 sequentially passes through impacting tube 13 and the bottom end through-hole of outer sleeve 11 extends to outer sleeve 11
Outer ram setting just comprising ram 5, retainer ring 7, epoxy tube 2, the first outer cap 6, hanging wire piece 8, quartz sand 3 and second outside
The high-voltage and current-limitation fuse that cap 1 is arranged realizes when overhead transmission line breaks down, can explicitly provide the failure institute on route
In position indicative signal, in time, accurately debug, the time of breakdown repair has been saved；The utility model provides
A kind of size is smaller, molten conducive to the 10KV overhead transmission line mutual inductor protection high-voltage and current-limitation for being built in 10KV overhead transmission line mutual inductor
Disconnected device, the utility model effectively protect overhead transmission line mutual inductor, prevent large-area power-cuts.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and cannot understand
For its relative importance of indication or suggestion or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.
Technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution
Conjunction is not present, also not within the protection scope of the requires of the utility model.
Claims (9)
1. a kind of ram of high-voltage and current-limitation fuse, it is characterised in that: including at least top be open outer sleeve (11) with
And the impacting tube (13) in outer sleeve (11) is socketed in by outer sleeve (11) open end, impacting tube (13) top closure bottom end has
Through-hole, outer sleeve (11) bottom end also have the through-hole concentric with impacting tube (13) bottom end, and impacting tube (13) inner cavity top is equipped with pad
Body (17) is also compressed with elastomeric element, pad (17) following table between impacting tube (13) bottom end upper surface and pad (17) lower surface
Face is fixedly connected with the one end of the first fusible link (14), and the other end of the first fusible link (14) sequentially passes through impacting tube (13) and outer
The bottom end through-hole of sleeve (11) extends to outer sleeve (11) outside.
2. a kind of ram of high-voltage and current-limitation fuse according to claim 1, it is characterised in that: the elastomeric element
For spring (12), a length of 70mm of spring (12), race diameter 5.5mm, inner ring diameter 4.7mm, pop-up strength be 20N~
30N。
3. a kind of ram of high-voltage and current-limitation fuse according to claim 1, it is characterised in that: the pad (17)
Lower surface center is vertically and fixedly provided with the second fixing pipe (15), and pad (17) lower surface passes through the second fixing pipe (15) and the first fusing
One end of silk (14) is fixedly connected, and the other end of the first fusible link (14) extends to the part of outer sleeve (11) outside and first and fixes
One end of pipe (9) is fixedly connected, and the other end of the first fixing pipe (9) is fixedly connected with the second fusible link (4).
4. a kind of ram of high-voltage and current-limitation fuse according to claim 3, it is characterised in that: first fusing
Silk (14) and the second fusible link (4) are titanium steel silks.
5. a kind of ram of high-voltage and current-limitation fuse according to claim 3 or 4, it is characterised in that: described first
Fusible link (14) and the second fusible link (4) are a fusible links, which extends to the part first of outer sleeve (11) outside
Through-hole at fixing pipe (9) axle center runs through the first fixing pipe (9).
6. a kind of ram of high-voltage and current-limitation fuse according to claim 1, it is characterised in that: the impacting tube
(13) fixed by stop collar (16) between apical lateral wall and outer sleeve (11) open end inner wall, impacting tube (13) and housing
The bottom end through hole of cylinder (11) is connected with insulation sleeve (10), is had at insulation sleeve (10) axle center and to be passed through for the first fusible link (14)
Through-hole.
7. a kind of high-voltage and current-limitation fuse, it is characterised in that: including ram described in any one of claims 1-6 (5), also wrap
It includes epoxy tube (2), ram (5) is fixed in the port of epoxy tube (2) one end and blocks the port, and ram (5) are hit
It hits cylinder (13) top and is protruding to epoxy tube (2) outside, first fusible link (14) of ram (5) bottom end is another with epoxy tube (2)
End inner wall is fixedly connected, interior remaining space filling quartz sand (3) of epoxy tube (2).
8. a kind of high-voltage and current-limitation fuse according to claim 7, it is characterised in that: epoxy tube (2) fixation is hit
It hits on the outside of one end of device (5) and is socketed with the first outer cap (6), the first outer cap (6) center is provided with circular through hole, the top of ram (5)
End is socketed and is sealed with epoxy tube (2) by retainer ring (7), and impacting tube (13) top of ram (5) passes through the first outer cap (6)
Circular through hole be protruding to outside the first outer cap (6) through-hole；First fusible link (14) of ram (5) bottom end passes through hanging wire piece (8)
It is fixedly connected with the other end of epoxy tube (2)；The outer wall at epoxy tube (2) connection hanging wire piece (8) end is socketed with the second outer cap (1)；
The pipe diameter of the epoxy tube (2) is 15-25mm.
9. a kind of mutual inductor, it is characterized in that: including the described in any item high-voltage and current-limitation fuses of claim 7-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821133286.0U CN208622670U (en) | 2018-07-17 | 2018-07-17 | A kind of mutual inductor, high-voltage and current-limitation fuse and its ram |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821133286.0U CN208622670U (en) | 2018-07-17 | 2018-07-17 | A kind of mutual inductor, high-voltage and current-limitation fuse and its ram |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208622670U true CN208622670U (en) | 2019-03-19 |
Family
ID=65705969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821133286.0U Expired - Fee Related CN208622670U (en) | 2018-07-17 | 2018-07-17 | A kind of mutual inductor, high-voltage and current-limitation fuse and its ram |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208622670U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108717925A (en) * | 2018-07-17 | 2018-10-30 | 西安苏熔电器有限公司 | A kind of mutual inductor, high-voltage and current-limitation fuse and its ram |
| CN109773154A (en) * | 2019-03-29 | 2019-05-21 | 中信戴卡股份有限公司 | Die casting machine runs liquid detection device |
-
2018
- 2018-07-17 CN CN201821133286.0U patent/CN208622670U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108717925A (en) * | 2018-07-17 | 2018-10-30 | 西安苏熔电器有限公司 | A kind of mutual inductor, high-voltage and current-limitation fuse and its ram |
| CN109773154A (en) * | 2019-03-29 | 2019-05-21 | 中信戴卡股份有限公司 | Die casting machine runs liquid detection device |
| CN109773154B (en) * | 2019-03-29 | 2023-11-03 | 中信戴卡股份有限公司 | Liquid leakage detection device of die casting machine |
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Granted publication date: 20190319 Termination date: 20190717 |