CN208157355U - High voltage drop-out type fuse cutout and proximal end protective device - Google Patents
High voltage drop-out type fuse cutout and proximal end protective device Download PDFInfo
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- CN208157355U CN208157355U CN201820321726.9U CN201820321726U CN208157355U CN 208157355 U CN208157355 U CN 208157355U CN 201820321726 U CN201820321726 U CN 201820321726U CN 208157355 U CN208157355 U CN 208157355U
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- type fuse
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Abstract
The utility model relates to a kind of high voltage drop-out type fuse cutout and proximal end protective device, high voltage drop-out type fuse cutout includes high voltage drop-out type fuse cutout ontology and live line connection ring；Wherein, high voltage drop-out type fuse cutout ontology includes undersetting；Undersetting is connect with live line connection ring；Proximal end protective device includes hot line clamp and such as above-mentioned high voltage drop-out type fuse cutout；One end of hot line clamp and the live line connection ring of high voltage drop-out type fuse cutout connect, voltage transformer connection on the other end and column of hot line clamp；One end of high voltage drop-out type fuse cutout is connected by voltage transformer on hot line clamp connecting column, the other end of high voltage drop-out type fuse cutout and the disconnecting switch of Feeder Terminal Unit.Above-mentioned utility model is when electrical equipment sends failure, the connection that hot line clamp Yu live line connection ring can directly be disconnected, avoids the expansion for leading to scope of power outage because of power failure operation, greatly shortens the repairing telegram in reply time, the working efficiency for improving telegram in reply, improves the working efficiency of telegram in reply.
Description
Technical field
The utility model relates to a kind of fuses, more particularly to a kind of high voltage drop-out type fuse cutout and proximal end protection dress
It sets.
Background technique
It is usually provided with high voltage drop-out type fuse cutout on outdoor high-voltage power grid, holds electrical equipment to break down under the fuse
When can be with turn-off current voltage, to protect other electrical equipments.But when repair personnel checks, removes faulty equipment,
Repair personnel, which needs to step on bar and steps on tower and carry out power-off with fuse to failure end, to be isolated, and is needed to carry out failure end at this time to have a power failure and be matched
It closes, scope of power outage is caused to expand, the repairing telegram in reply time increases significantly, reduces the working efficiency of telegram in reply.
For example, complete automation equipment puts into operation on more and more distribution net posts, the feeder line in automation equipment is set
Standby to provide power supply by voltage transformer on column, the probability of Voltage Transformer Damages is increasing, and the damage of voltage transformer is usual
It forms permanent fault and causes fault trip and the fuse fusing of feeder line, when repair personnel carries out removing failure electricity
When pressing mutual inductor, repair personnel, which needs to step on bar and steps on tower, removes from being needed at this time to automatic voltage transformer and fuse
Disguise the feeder line set and carry out whole power failures, scope of power outage is caused to expand, the repairing telegram in reply time increases significantly, reduces the work of telegram in reply
Efficiency.
Utility model content
Based on this, it is necessary to be isolated for power-off is carried out with fuse to failure end when being checked, removing faulty equipment
Scope of power outage is caused to expand, the repairing telegram in reply time increases significantly, reduces the working efficiency problem of telegram in reply, provides a kind of high pressure and falls
Formula fuse and proximal end protective device.
A kind of high voltage drop-out type fuse cutout, including high voltage drop-out type fuse cutout ontology and live line connection ring；Wherein, described
High voltage drop-out type fuse cutout ontology includes undersetting；The undersetting is connect with the live line connection ring.
In one of the embodiments, the high voltage drop-out type fuse cutout ontology further include insulator, fusion tube, mounting plate,
Upper bracket, upper static contact, upper moving contact, lower static contact, lower moving contact, operation ring；
Mounting plate is arranged in the middle part of the insulator, and the upper bracket, the insulator is arranged in one end of the insulator
The other end undersetting is set；The operation ring is set on the fusion tube, one end of the fusion tube is connect with upper moving contact,
The other end of the fusion tube is connect with lower moving contact；The upper bracket is connect by the upper static contact with the upper moving contact；
The undersetting is connect by the lower static contact with the lower moving contact.
The insulator includes composite insulator in one of the embodiments, and the composite insulator includes glass fibers
Dimension resin plug, organic material sheath and full skirt, the organic material sheath are wrapped in the glass fiber resin plug, institute
Full skirt is stated to be set on the organic material sheath.
The live line connection ring is fixedly connected by welding manner and the undersetting in one of the embodiments,.
Above-mentioned high voltage drop-out type fuse cutout, undersetting connect live line connection ring, pass through hot line clamp and live line connection ring
Connection electrical equipment realizes that the connection with fuse steps on tower without stepping on bar when repair personnel checks, removes faulty equipment
Power-off is carried out with fuse to failure end to be isolated, can directly disconnect the connection of hot line clamp Yu live line connection ring, quickly isolates event
Barrier, avoids the expansion for leading to scope of power outage because of power failure operation, greatly shortens the repairing telegram in reply time, improves the work effect of telegram in reply
Rate.
A kind of proximal end protective device, including hot line clamp and such as above-mentioned high voltage drop-out type fuse cutout；
One end of the hot line clamp is connect with the live line connection ring of the high voltage drop-out type fuse cutout, the hot line clamp
The other end and column on voltage transformer connection；
The undersetting of the high voltage drop-out type fuse cutout connects voltage transformer on the column, institute by the hot line clamp
The disconnecting switch of the upper bracket and Feeder Terminal Unit of stating high voltage drop-out type fuse cutout connects.
The electrification wire loop of above-mentioned proximal end protective device, high voltage drop-out type fuse cutout passes through mutual induction of voltage on hot line clamp and column
Device connection, the proximal end protective device provide proximal end short-circuit protection for voltage transformer on column, when event occurs for voltage transformer on column
It is isolated when barrier without stepping on bar and stepping on tower and carry out power-off with high voltage drop-out type fuse cutout to voltage transformer on column, can directly disconnects electrification
The connection of wire clamp and live line connection ring, quickly isolates failure, avoids the expansion for leading to scope of power outage because of power failure operation, contracts significantly
Short repairing is sent a telegram in reply the time, and the working efficiency of telegram in reply is improved.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model one embodiment middle-high voltage falling type fuse；
Fig. 2 is the structural schematic diagram of proximal end protective device in the utility model one embodiment.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the protection scope of the utility model.
It is the structural schematic diagram of the utility model one embodiment middle-high voltage falling type fuse referring to Fig. 1, Fig. 1.This reality
It applies in example, high voltage drop-out type fuse cutout 10 includes high voltage drop-out type fuse cutout ontology and live line connection ring 120；Wherein, high pressure
Fuse switch ontology includes undersetting 1101；Undersetting 1101 is connect with live line connection ring 120.
Optionally, live line connection ring 120 is fixedly connected by welding manner with undersetting 1101.
In the present embodiment, undersetting 1101 connects live line connection ring 120, passes through hot line clamp and live line connection ring 120
It connects electrical equipment and realizes that the connection with fuse directly disconnects electrification when repair personnel checks, removes faulty equipment
The connection of wire clamp and live line connection ring 120 can quickly isolate failure, step on tower without being had a power failure and stepped on bar in advance and grasped
Make, avoid the expansion for leading to scope of power outage because of power failure operation, greatly shorten the repairing telegram in reply time, improves the work effect of telegram in reply
Rate, and its structure is simple, simple installation, it is easy to accomplish, maintenance.
High voltage drop-out type fuse cutout ontology further includes insulator 1102, fusion tube 1103, peace in one of the embodiments,
Loading board 1104, upper bracket 1105, upper static contact 1106, upper moving contact 1107, lower static contact 1108, lower moving contact 1109, operation
Ring 1110；
Mounting plate 1104 is arranged in the middle part of insulator 1102, and upper bracket 1105, insulator is arranged in one end of insulator 1102
Undersetting 1101 is arranged in 1102 other end；Setting operation ring 1110, one end of fusion tube 1103 and upper moving contact on fusion tube 1103
1107 connections, the other end of fusion tube 1103 are connect with lower moving contact 1109；Upper bracket 1105 is moved by upper static contact 1106 with upper
Contact 1107 connects；Undersetting 1101 is connect by lower static contact 1108 with lower moving contact 1109.
In the present embodiment, when short circuit current passes through fuse failure, the upper lower moving contact 1109 of cartridge fuse loses fuse
Fastening force, under the action of 1103 self gravity of fusion tube and upper and lower 1108 spring leaf of static contact, fusion tube 1103 falls rapidly, makes
Circuit disconnects, while making fault point convenient for searching.
Insulator 1102 includes composite insulator in one of the embodiments, and composite insulator includes glass fibre tree
Rouge plug, organic material sheath and full skirt, organic material sheath are wrapped in glass fiber resin plug, and full skirt is set to organic
In material guards.
In the present embodiment, the material of insulator 1102 by glass fiber resin plug or core pipe and organic material sheath and
Full skirt composition, plug is the load bearing component of composite insulator mechanical load, while being the major part of interior insulation, umbrella sheath again
It is the external insulation part of composite insulator, effect is the invasion for protecting plug from outside atmosphere, the composite insulator size
Small, light-weight, tensile strength is high, at the same can avoid because it is quick-fried it is broken caused by destroy.
The utility model also provides a kind of proximal end protective device in one of the embodiments,.Referring to fig. 2, Fig. 2 is this
The structural schematic diagram of proximal end protective device in utility model one embodiment, wherein proximal end protective device include hot line clamp 20 with
And such as above-mentioned high voltage drop-out type fuse cutout 10；One end of hot line clamp 20 and the live line connection ring of high voltage drop-out type fuse cutout 10
120 connect, and voltage transformer 30 connects on the other end and column of hot line clamp 20；The undersetting of high voltage drop-out type fuse cutout 10
1101 by voltage transformer 30 on 20 connecting column of hot line clamp, and the upper bracket 1105 and feeder line of high voltage drop-out type fuse cutout 10 are whole
The disconnecting switch 40 of end equipment connects.
The electrification wire loop 120 of above-mentioned proximal end protective device, high voltage drop-out type fuse cutout 10 passes through on hot line clamp 20 and column
Voltage transformer 30 connects, which is that voltage transformer 30 provides proximal end short-circuit protection on column, when voltage on column
Mutual inductor 30 can directly disconnect the connection of hot line clamp 20 Yu live line connection ring 120 when breaking down, can be mutual to voltage on column
Sensor 30, which carries out power-off with high voltage drop-out type fuse cutout 10, is isolated, and is grasped without carrying out feeder line power failure in advance and stepping on bar and step on tower
Make, avoid the expansion of scope of power outage and personnel is caused to be fallen because of power failure operation, risk of get an electric shock, when greatly shortening repairing and sending a telegram in reply
Between, improve the working efficiency of telegram in reply.
Below based on proximal end protective device, as an application example, the course of work can be as follows：
The primary side lead of voltage transformer 30 passes through under hot line clamp 20 and above-mentioned high voltage drop-out type fuse cutout 10 on column
The live line connection ring 120 of side connects.
(1) when voltage transformer 30 breaks down on column, the fuse of fusion tube 1103 in high voltage drop-out type fuse cutout 10
Fusing, fusion tube 1103 fall to form obvious cut-off point, and voltage transformer 30 is isolated on failure column, if fault point front end is disconnected at this time
Road device or substation, which have, is overlapped function and without other fault points, then switch can successful reclosing, feeder line charges again, greatly shortens
The repairing telegram in reply time；
(2) after repair personnel reaches scene discovery fault point, the folder of hot line clamp 20 can be taken off by insulated operating rod
Head, makes voltage transformer 30 on the column of failure completely isolated, steps on tower operation without stepping on bar, and personnel is avoided to fall and get an electric shock risk；
(3) on the column of consequent malfunction in the replacement and maintenance of voltage transformer, due to voltage transformer 30 on column
Primary side no current may be selected livewire work and carry out, the fuse of fusion tube 1103 in charged for replacement high voltage drop-out type fuse cutout 10
And hot line clamp 20 first can be connected to high voltage drop-out type fuse cutout by insulated operating rod after voltage transformer 30 on replacement column
After 10 live line connection ring 120, then fusion tube 1103 is closed, realizes 30 power transmission of voltage transformer on column, it is enough in safe distance
Under the premise of whole process without feeder line have a power failure, even if safe distance is insufficient, also can directly by livewire work completion, realization failure
The maintenance replacement that do not have a power failure of voltage transformer 30, reduces maintenance power off time on column.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (5)
1. a kind of high voltage drop-out type fuse cutout, which is characterized in that including high voltage drop-out type fuse cutout ontology and live line connection ring
(120)；Wherein, the high voltage drop-out type fuse cutout ontology includes undersetting (1101)；The undersetting (1101) and the band
Electrical connection ring (120) connection.
2. high voltage drop-out type fuse cutout according to claim 1, which is characterized in that the high voltage drop-out type fuse cutout ontology
It further include insulator (1102), fusion tube (1103), mounting plate (1104), upper bracket (1105), upper static contact (1106), upper dynamic touching
Head (1107), lower static contact (1108), lower moving contact (1109), operation ring (1110)；
Mounting plate (1104) are arranged in the middle part of the insulator (1102), and the upper branch is arranged in one end of the insulator (1102)
The undersetting (1101) is arranged in the other end of seat (1105), the insulator (1102)；Institute is set on the fusion tube (1103)
State operation ring (1110), one end of the fusion tube (1103) connect with upper moving contact (1107), the fusion tube (1103) it is another
End is connect with lower moving contact (1109)；The upper bracket (1105) passes through the upper static contact (1106) and the upper moving contact
(1107) it connects；The undersetting (1101) is connect by the lower static contact (1108) with the lower moving contact (1109).
3. high voltage drop-out type fuse cutout according to claim 2, which is characterized in that the insulator (1102) includes compound
Insulator, the composite insulator include glass fiber resin plug, organic material sheath and full skirt, the organic material shield
Set is wrapped in the glass fiber resin plug, and the full skirt is set on the organic material sheath.
4. high voltage drop-out type fuse cutout according to claim 1 or 2, which is characterized in that the live line connection ring (120) is logical
Welding manner is crossed to be fixedly connected with the undersetting (1101).
5. a kind of proximal end protective device, which is characterized in that including hot line clamp (20) and such as any one of Claims 1-4 institute
The high voltage drop-out type fuse cutout (10) stated；
One end of the hot line clamp (20) is connect with the live line connection ring (120) of the high voltage drop-out type fuse cutout (10), institute
Voltage transformer (30) on the other end and column of hot line clamp (20) is stated to connect；
The undersetting (1101) of the high voltage drop-out type fuse cutout (10) connects the column by the hot line clamp (20) and powers on
It presses mutual inductor (30), the disconnecting switch of upper bracket (1105) and Feeder Terminal Unit of the high voltage drop-out type fuse cutout (10)
(40) it connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820321726.9U CN208157355U (en) | 2018-03-08 | 2018-03-08 | High voltage drop-out type fuse cutout and proximal end protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820321726.9U CN208157355U (en) | 2018-03-08 | 2018-03-08 | High voltage drop-out type fuse cutout and proximal end protective device |
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| Publication Number | Publication Date |
|---|---|
| CN208157355U true CN208157355U (en) | 2018-11-27 |
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ID=64391305
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820321726.9U Active CN208157355U (en) | 2018-03-08 | 2018-03-08 | High voltage drop-out type fuse cutout and proximal end protective device |
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| Country | Link |
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| CN (1) | CN208157355U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114597107A (en) * | 2022-02-09 | 2022-06-07 | 国网河北省电力有限公司曲周县供电分公司 | Portable fusion tube insulation device |
-
2018
- 2018-03-08 CN CN201820321726.9U patent/CN208157355U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114597107A (en) * | 2022-02-09 | 2022-06-07 | 国网河北省电力有限公司曲周县供电分公司 | Portable fusion tube insulation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201009 Address after: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee after: Guangzhou Power Supply Bureau of Guangdong Power Grid Co.,Ltd. Address before: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee before: GUANGZHOU POWER SUPPLY Co.,Ltd. |
|
| TR01 | Transfer of patent right |