CN105185672B - Shield of drop-type fuse - Google Patents
Shield of drop-type fuse Download PDFInfo
- Publication number
- CN105185672B CN105185672B CN201510512197.1A CN201510512197A CN105185672B CN 105185672 B CN105185672 B CN 105185672B CN 201510512197 A CN201510512197 A CN 201510512197A CN 105185672 B CN105185672 B CN 105185672B
- Authority
- CN
- China
- Prior art keywords
- shield
- terminal
- fixedly connected
- fuse unit
- insulator
- 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.)
- Active
Links
- 239000012212 insulator Substances 0.000 claims abstract description 35
- 238000005096 rolling process Methods 0.000 claims description 19
- 210000003464 cuspid Anatomy 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 230000006378 damage Effects 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract 1
- NMFHJNAPXOMSRX-PUPDPRJKSA-N [(1r)-3-(3,4-dimethoxyphenyl)-1-[3-(2-morpholin-4-ylethoxy)phenyl]propyl] (2s)-1-[(2s)-2-(3,4,5-trimethoxyphenyl)butanoyl]piperidine-2-carboxylate Chemical compound C([C@@H](OC(=O)[C@@H]1CCCCN1C(=O)[C@@H](CC)C=1C=C(OC)C(OC)=C(OC)C=1)C=1C=C(OCCN2CCOCC2)C=CC=1)CC1=CC=C(OC)C(OC)=C1 NMFHJNAPXOMSRX-PUPDPRJKSA-N 0.000 description 16
- 238000010892 electric spark Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/20—Bases for supporting the fuse; Separate parts thereof
- H01H85/2045—Mounting means or insulating parts of the base, e.g. covers, casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/54—Protective devices wherein the fuse is carried, held, or retained by an intermediate or auxiliary part removable from the base, or used as sectionalisers
Abstract
Provided is a shield of a drop-type fuse. The invention relates to the field of electric power facility corollary equipment. The shield is exquisite in structure, convenient in operation, complete in protection on the fuse, and good in electricity larceny prevention effect. The shield comprises a fuse cylinder, an insulator, a first connecting terminal, and a second connecting terminal. Two ends of the insulator are connected in series in a power distribution circuit respectively through the first connecting terminal and the second connecting terminal. The fuse cylinder is arranged under the insulator. One end of the fuse cylinder is hinged with the first connecting terminal through an articulated shaft, and the other end is lapped with the second connecting terminal. The shield also comprises an anti-creeping assembly. A fuse cylinder shield performs simple and effective complete protection on the fuse cylinder. An insulator shield performs simple and effective complete protection on the insulator. A first terminal shield performs simple and effective complete protection on the first connecting terminal. A second terminal shield performs simple and effective complete protection on the second connecting terminal. The shield is characterized by good protection effect, good operation stability, and long service life, and problems of electric leakage, electric larceny, and damages are solved.
Description
Technical field
The present invention relates to electric power facility corollary equipment field, more particularly to the wherein improvement of the shield of fuse switch.
Background technology
Fuse switch, is that the most frequently used a kind of short-circuit protection of 10KV distribution lines branch line and distribution transformer is opened
Close, it has the features such as economic, easy to operate, adaptation outdoor environment is strong, is widely used in 10KV distribution lines and distribution
Transformator side is used as protecting and carry out equipment throwing, cut operation to be used.
More than fuse switch of the prior art as State Bureau announce on May 7th, 2014 a entitled " one kind is fallen
Shown in the formula that falls fuse ", the patent documentation of Application No. " 201320675560.8 ", mainly it is made up of insulator and cartridge fuse,
And two conducting terminals are fixedly connected with the two ends of insulator, one end of cartridge fuse and a wherein conducting terminal are hinged, the other end
Overlap with another conducting terminal, so as to when breaking down, directly disengagement from the conducting terminal overlapped with which is risen by cartridge fuse
To the effect of safeguard protection；After failture evacuation, then can above push away fuse unit and complete overlap joint.
However, such fuse often occurs problem when in use：First, exposed fuse unit and connection end
Son will receive serious corrosion, and service life is extremely short；And the problems such as easily bring electric leakage；2nd, its open structure is also easily
With the foreign body such as branch of mounting together detonator circuit failure.
The content of the invention
The present invention be directed to problem above, it is proposed that a kind of delicate structure, it is easy to operate, to fuse protect it is comprehensive and thief-proof
The shield of the good fuse switch of electric effect.
The technical scheme is that：The fuse includes fuse unit, insulator, connection terminal one and connection terminal
Two, the two ends of the insulator are serially connected in distribution line by connection terminal one and connection terminal two respectively, the fuse unit
Located at the lower section of insulator, one end of the fuse unit is hinged by jointed shaft and connection terminal one, and the other end and connection end
Son two is overlapped；
The shield includes fuse unit shield, insulator shield, terminal shield one and terminal shield two, the insulator shield
The enclosure connects on the insulator, and the terminal shield one is coated the connection terminal one, and is fixedly connected with insulator shield, described
Terminal shield two is coated the connection terminal two, and is fixedly connected with insulator shield, and the fuse unit shield is coated on fuse
Cylinder is outer, and fuse unit shield open top so that one end of fuse unit shield is plugged on the bottom of terminal shield one and the other end
It is socketed in the bottom of terminal shield two；
The terminal shield one offers through hole away from the bottom of the side of terminal shield two, and the shield also includes electric discharge
Plate, the discharge electrode include the side plate being connected as a single entity and base plate, and the side plate is fixedly connected on terminal shield one and protects away from terminal
On one side end face of cover two, the base plate is fixedly connected on the bottom surface of fuse unit shield, is offered and through hole on the side plate
Connection and the discharge aperture highly consistent with jointed shaft.
It is fixedly connected with the bottom surface of the fuse unit shield for overlapping having contact with for stock.
The middle part for having contact with the bottom surface for being fixedly connected on fuse unit shield.
Some draw-in grooves being adapted to fuse unit are fixedly connected with the inwall of the fuse unit shield, the draw-in groove is in top
The major arc shape of opening.
The shield also includes leakproof electrical component, the leakproof electrical component include a pair of gear wheels, a pair of little gears, a pair
Rotating shaft, a film rolling axis, a dielectric film, a bootstrap block, a pair of drawstrings and a balancing weight；
Rotating shaft described in a pair is fixedly connected on the both sides of fuse unit shield and passes to outside terminal shield one, described in a pair
Gear wheel is respectively fixedly connected with a countershaft, and positioned at the both sides of terminal shield one, the terminal shield one is towards terminal
A pair of hinged seats are fixedly connected with one side end face of shield two, the two ends of the film rolling axis are arranged in hinged seat, a pair of institutes
State little gear to be respectively fixedly connected with the two ends of film rolling axis and be meshed with gear wheel；
The apical margin of the fuse unit shield is fixedly connected with a pair of slide rails, and the bootstrap block is fixedly connected on a pair of slide rails
Top, the side of the dielectric film is fixedly connected on film rolling axis, and opposite side penetrate between bootstrap block and slide rail, the insulation
Offer the chute being adapted to slide rail on the bottom surface of film, the drawstring be fixedly connected on dielectric film away from the side of film rolling axis and
It is slidably connected on slide rail, the balancing weight is fixedly connected on side of the drawstring away from dielectric film.
The present invention can carry out simple and effective full protection to fuse unit by fuse unit shield, by insulator shield pair
Insulator carries out simple and effective full protection, is carried out by a pair of connection terminals of terminal shield one simple and effective comprehensively anti-
Shield, carries out simple and effective full protection to connection terminal two by terminal shield two；Additionally, fuse unit shield and terminal shield
First, free movement of two matching relationship also not to fuse unit is impacted；With protection effect is good, good operation stability and
The characteristics of long service life, and efficiently solve the problems such as electric leakage of the prior art, stealing, damage.
Description of the drawings
Fig. 1 is the structural representation of the present invention,
Fig. 2 is the left view of Fig. 1,
Fig. 3 is the axonometric chart of Fig. 1,
Fig. 4 is the structural representation of fuse unit shield in the present invention,
Fig. 5 is the right view of Fig. 4,
Fig. 6 is the structural representation of discharge electrode in the present invention,
Fig. 7 is the top view of Fig. 6,
Fig. 8 is the optimal enforcement schematic diagram of the present invention,
Fig. 9 be the A-A of Fig. 8 to sectional view,
Figure 10 is partial enlarged drawing at the B of Fig. 9,
Figure 11 is the use state of the optimal enforcement mode of the present invention with reference to figure
In figure, 1 is fuse unit shield, and 11 is to have contact with, and 12 is draw-in groove, and 13 is slide rail, and 2 is insulator shield, and 3 is terminal shield
Cover one, 4 is terminal shield two, and 5 is discharge electrode, and 51 is side plate, and 510 is discharge aperture, and 52 is base plate；
6 is leakproof electrical component, and 61 is gear wheel, and 62 is little gear, and 63 is rotating shaft, and 64 is film rolling axis, and 65 is dielectric film, 66
It is bootstrap block, 67 is drawstring, and 68 is balancing weight.
Specific embodiment
As shown in figs. 1-11, the fuse includes fuse unit, insulator, connection terminal one and connection terminal to the present invention
Two, the two ends of the insulator are serially connected in distribution line by connection terminal one and connection terminal two respectively, the fuse unit
Located at the lower section of insulator, one end of the fuse unit is hinged by jointed shaft and connection terminal one, and the other end and connection end
Son two is overlapped；
The shield includes fuse unit shield 1, insulator shield 2, terminal shield 1 and terminal shield 24, the insulation
Sub- shield 2 is socketed on the insulator, and the terminal shield 1 is coated the connection terminal one, and fixed with insulator shield 2 and connect
Connect, the terminal shield 24 is coated the connection terminal two, and is fixedly connected with insulator shield 2, the fuse unit shield 1
It is coated on that fuse unit is outer, and 1 open top of fuse unit shield so that one end of fuse unit shield 1 is plugged on terminal shield 1
Bottom and the other end are socketed in the bottom of terminal shield 23；So, you can fuse unit is carried out simply by fuse unit shield
Effectively full protection, carries out simple and effective full protection to insulator by insulator shield, by a pair of terminal shield
Connection terminal one carries out simple and effective full protection, connection terminal two is carried out by terminal shield two simple and effective comprehensive
Protection；Additionally, free movement of the matching relationship of fuse unit shield and terminal shield one, two also not to fuse unit causes shadow
Ring；With protection effect is good, good operation stability and the characteristics of long service life, and efficiently solve leakage of the prior art
The problems such as electricity, stealing, damage.
The terminal shield 1 offers through hole away from the bottom of the side of terminal shield 24, and the shield also includes putting
Electroplax 5, the discharge electrode 5 include the side plate 51 being connected as a single entity and base plate 52, and the side plate 51 is fixedly connected on terminal shield 1
Away from a side end face of terminal shield 24, the base plate 52 is fixedly connected on the bottom surface of fuse unit shield 1, the side plate
Offer on 51 and connect with through hole and the discharge aperture 510 highly consistent with jointed shaft.When this case is also directed to break down, jointed shaft
The problem of the electric spark that position easily produces, is additionally arranged discharge electrode, and has opened up on discharge electrode and jointed shaft height one
Straight discharge aperture so that issuable electric spark freely can be released from discharge aperture, so as to significantly extend making for shield
With life-span and stability in use.
It is fixedly connected with the bottom surface of the fuse unit shield 1 and have contact with 11 for overlap stock.Fuse unit is being carried out
During RESET operation, having contact with for setting up can be easily positioned to the position on stock top, so as to greatly improve work effect
Rate, reduce labor intensity.
The middle part for having contact with 11 bottom surfaces for being fixedly connected on fuse unit shield 1.
Some draw-in grooves 12 being adapted to fuse unit, the draw-in groove 12 are fixedly connected with the inwall of the fuse unit shield 1
In open-topped major arc shape.So that the connection between fuse unit shield and fuse unit is more stable, reliable.
People are had found when actually used, are opening that is easy for installation and reserving at the top of fuse unit shield originally, will be molten
Silk cylinder and connection terminal and bring certain potential safety hazard when disengaging（It is exposed caused outside by one end of fuse unit）, also easily
Cause the generation of the events such as lawless person's stealing, destruction, in this regard, this case also proposed following optimal enforcement mode：
The shield also includes leakproof electrical component 6, and the leakproof electrical component 6 includes a pair of gear wheels 61, a pair of little gears
62nd, a countershaft 63, a film rolling axis 64, a dielectric film 65, a bootstrap block 66, a pair of drawstrings 67 and a balancing weight 68；
Rotating shaft 63 described in a pair is fixedly connected on the both sides of fuse unit shield 1 and passes to outside terminal shield 1, a pair
The gear wheel 61 is respectively fixedly connected with a countershaft 63, and positioned at the both sides of terminal shield 1, the terminal shield one
3 are fixedly connected with a pair of hinged seats towards on a side end face of terminal shield 24, and the two ends of the film rolling axis 64 are arranged in and are hinged
In seat, little gear 62 described in a pair is respectively fixedly connected with the two ends of film rolling axis 64 and is meshed with gear wheel 61；
The apical margin of the fuse unit shield 1 is fixedly connected with a pair of slide rails 13, and the bootstrap block 66 is fixedly connected on a pair
The top of slide rail 13, the side of the dielectric film 65 is fixedly connected on film rolling axis 64, and opposite side penetrates bootstrap block 66 and sliding
Between rail 13, the chute being adapted to slide rail 13 on the bottom surface of the dielectric film 65, is offered, the drawstring 67 is fixedly connected on absolutely
Velum 65 away from film rolling axis 64 side and be slidably connected on slide rail, the balancing weight 68 be fixedly connected on drawstring 67 away from
The side of dielectric film 65.When fuse is turned on, balancing weight will be hung in the lower section of fuse unit shield by drawstring so that dielectric film
Tensioning around being located on film rolling axis；And when line fault fuse unit falls, the rotation of fuse unit shield will pass sequentially through canine tooth
Wheel, little gear drive film rolling axis rotation, so that dielectric film is transferred under the action of gravity of balancing weight, and block fuse unit shield
The opening at cover top.So, you can when fuse unit disconnects, be prevented effectively from fuse unit from the top open part of fuse unit shield to
Outer electric leakage（In addition to anthropic factor, the electric leakage for also causing including natural causes such as rainwater tricklings）, its anticreep, anti-electricity-theft effect
Really good, safety protective effect is good.And in jack-up fuse unit upwards, dielectric film again will under the influence of large and small gear again around
It is located on film rolling axis, it is so as to the normal using any harmful effect is not caused of fuse, low with easy to use, labor intensity
And the characteristics of good stability.
Claims (4)
1. a kind of shield of fuse switch, the fuse include fuse unit, insulator, connection terminal one and connection terminal
Two, the two ends of the insulator are serially connected in distribution line by connection terminal one and connection terminal two respectively, the fuse unit
Located at the lower section of insulator, one end of the fuse unit is hinged by jointed shaft and connection terminal one, and the other end and connection end
Son two is overlapped；Characterized in that,
The shield includes fuse unit shield, insulator shield, terminal shield one and terminal shield two, the insulator shield set
Connect on the insulator, the terminal shield one is coated the connection terminal one, and is fixedly connected with insulator shield, the terminal
Shield two is coated the connection terminal two, and is fixedly connected with insulator shield, the fuse unit shield be coated on fuse unit it is outer,
And fuse unit shield open top so that one end of fuse unit shield is plugged on the bottom of terminal shield one and other end socket
In the bottom of terminal shield two；
The terminal shield one offers through hole away from the bottom of the side of terminal shield two, and the shield also includes discharge electrode,
The discharge electrode includes the side plate being connected as a single entity and base plate, and the side plate is fixedly connected on terminal shield one away from terminal shield two
A side end face on, the base plate is fixedly connected on the bottom surface of fuse unit shield, offers and connect with through hole on the side plate
And the discharge aperture highly consistent with jointed shaft；
The shield also includes leakproof electrical component, the leakproof electrical component include a pair of gear wheels, a pair of little gears, a pair turns
Axle, a film rolling axis, a dielectric film, a bootstrap block, a pair of drawstrings and a balancing weight；
Rotating shaft described in a pair is fixedly connected on the both sides of fuse unit shield and passes to outside terminal shield one, canine tooth described in a pair
Wheel is respectively fixedly connected with a countershaft, and positioned at the both sides of terminal shield one, the terminal shield one is towards terminal shield
A pair of hinged seats are fixedly connected with two side end face, the two ends of the film rolling axis are arranged in hinged seat, little described in a pair
Gear is respectively fixedly connected with the two ends of film rolling axis and is meshed with gear wheel；
The apical margin of the fuse unit shield is fixedly connected with a pair of slide rails, and the bootstrap block is fixedly connected on the upper of a pair of slide rails
Side, the side of the dielectric film is fixedly connected on film rolling axis, and opposite side penetrate between bootstrap block and slide rail, the dielectric film
Bottom surface on offer the chute being adapted to slide rail, it is away from the side of film rolling axis and sliding that the drawstring is fixedly connected on dielectric film
Dynamic to be connected on slide rail, the balancing weight is fixedly connected on side of the drawstring away from dielectric film.
2. a kind of shield of fuse switch according to claim 1, it is characterised in that the bottom of the fuse unit shield
It is fixedly connected with face for overlapping having contact with for stock.
3. the shield of a kind of fuse switch according to claim 2, it is characterised in that it is described have contact be fixedly connected on
The middle part of the bottom surface of fuse unit shield.
4. the shield of a kind of fuse switch according to claim 1, it is characterised in that the fuse unit shield it is interior
Some draw-in grooves being adapted to fuse unit are fixedly connected with wall, the draw-in groove is in open-topped major arc shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510512197.1A CN105185672B (en) | 2015-08-19 | 2015-08-19 | Shield of drop-type fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510512197.1A CN105185672B (en) | 2015-08-19 | 2015-08-19 | Shield of drop-type fuse |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105185672A CN105185672A (en) | 2015-12-23 |
| CN105185672B true CN105185672B (en) | 2017-04-12 |
Family
ID=54907682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510512197.1A Active CN105185672B (en) | 2015-08-19 | 2015-08-19 | Shield of drop-type fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105185672B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107545963A (en) * | 2016-06-27 | 2018-01-05 | 江苏澳能电力电缆附件有限公司 | A kind of new crane insulation protective hood |
| CN110277288A (en) * | 2019-06-26 | 2019-09-24 | 安徽伊法拉电气有限公司 | A kind of fuse insulating shield |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2557602C3 (en) * | 1975-12-20 | 1978-11-09 | Karl Pfisterer Elektrotechnische Spezialartikel Gmbh & Co Kg, 7000 Stuttgart | Fire chamber for electrical switching devices, in particular fuse bases and circuit strips |
| CA1311786C (en) * | 1989-05-30 | 1992-12-22 | Francis D. Macdonald | Electrical cut-out device |
| CN2504756Y (en) * | 2001-08-07 | 2002-08-07 | 武汉雷泰电力技术有限公司 | Fully insulated high voltage falling type fuse |
| CN2891265Y (en) * | 2006-04-13 | 2007-04-18 | 温州市自豪特种机电有限公司 | Wireless remote controlled drop-type fuse |
| CN100454470C (en) * | 2006-06-05 | 2009-01-21 | 上海久隆电力带电作业有限公司 | Fuse device with hard protection shielding cover |
| CN201570467U (en) * | 2009-12-08 | 2010-09-01 | 丹东电力设备厂 | Outdoor high-voltage drop-off type fuse insulated sheath |
| CN102054638B (en) * | 2010-12-30 | 2013-01-16 | 蔡彭博 | Transparent drop-out fuse |
| CN204441239U (en) * | 2015-03-19 | 2015-07-01 | 国家电网公司 | Ten kilovolts of fuse insulating masks |
| CN204905197U (en) * | 2015-08-19 | 2015-12-23 | 江苏省电力公司扬州供电公司 | Drop out fuse's guard shield |
-
2015
- 2015-08-19 CN CN201510512197.1A patent/CN105185672B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105185672A (en) | 2015-12-23 |
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