CN205958691U - Distribution network earth fault positioner - Google Patents
Distribution network earth fault positioner Download PDFInfo
- Publication number
- CN205958691U CN205958691U CN201620950362.1U CN201620950362U CN205958691U CN 205958691 U CN205958691 U CN 205958691U CN 201620950362 U CN201620950362 U CN 201620950362U CN 205958691 U CN205958691 U CN 205958691U
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- China
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- electrode
- reel
- joint
- bobbin
- arresting disk
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
Abstract
The utility model discloses a distribution network earth fault positioner, including mounting plate, the last fixed mounting of mounting plate has stand and fixing base, still include first bobbin and second bobbin, the one end of first bobbin is equipped with the spacing dish of third, and the spacing dish of this third is fixed on the fixing base, suit clockwork spring on the first bobbin, first bobbin keep away from that the one end of the spacing dish of third is coaxial has offered first mounting hole, and wherein the pivot is installed to the one end of second bobbin, and wall connection in bearing and the mounting hole is passed through in the pivot, and second bobbin one end is equipped with the spacing dish of second, and the other end is equipped with first spacing dish, and the bottom surface of first spacing dish is equipped with an annular first electrode, the below of first electrode is equipped with preloading device, is equipped with the joint on the fixing base, and the joint passes through the wire with the second electrode to be connected, is connected with the power cord on the joint, and this utility model structure is stable, can retrieve detecting the electric wire fast, has promoted work efficiency.
Description
Technical field
This utility model is related to electrical facility technical field, more particularly, to a kind of distribution net work earthing fault positioner.
Background technology
China's 6-66KV power distribution network adopts neutral non-effective grounding mode mostly, that is, small current neutral grounding mode.Its
Advantage is that short circuit current is little, and protection device does not need action immediately to trip, and by the regulation of safe operation of power system code, occurs
Can continue to run with 1 to 2 hour after singlephase earth fault, but now system non-faulting phase-to-ground voltage rises a height of line voltage, if not
Process in time, easily developing into line to line fault makes failure propagation, and arc grounding also can cause total system overvoltage.China's distribution wire
Road branch is numerous, and this is the main cause being difficult to positioning both ground trouble point.The reason earth fault occurs is a lot, wherein insulate weak
Point causes the frequency highest that earth fault occurs, insulation weak-point earth impedance not of uniform size, some can reach 20K Ω or more
Greatly；Some insulation weak-point earth impedance are linear（Earth fault also can occur during low pressure）, other is then nonlinear
（Could be grounded during high pressure）.And the presentation of insulation weak-point is also diversified, such as insulator contamination, cracking etc..Existing
Fault locator be required for external cord to detect high-tension line, the function that electric wire does not shrink, to outdoor maintenance man increase
Added more burdens, if outdoor study by Tool integration to one, the work efficiency of maintenance man can be allowed to become higher.
Content of the invention
The purpose of this utility model is to solve shortcoming present in prior art, and a kind of power distribution network ground connection proposing
Fault locator.
To achieve these goals, this utility model employs following technical scheme：
A kind of distribution net work earthing fault positioner, including mounting base, mounting base is installed with column and consolidates
Reservation；Also include the first reel and the second reel, one end of the first reel is provided with the 3rd position-arresting disk, the 3rd position-arresting disk
It is fixed in described fixed seat；Clockwork spring is set with the first reel, the one end of clockwork spring is fixed on the first coiling drum outer wall；The
One reel coaxially offers the first installing hole away from one end of the 3rd position-arresting disk, and one end of the wherein second reel is provided with slotting
It is located at the rotating shaft of this first installation in the hole, rotating shaft is connected with installing hole inwall by bearing, and the second reel and clockwork spring
Free end is fixed；Second reel one end is provided with the second position-arresting disk, and the other end is provided with the first position-arresting disk, the bottom surface of the first position-arresting disk
It is provided with the first electrode of annular；The lower section of first electrode is provided with pre-tightening apparatus, and pre-tightening apparatus include connecting rod, second electrode, bullet
Spring, connecting rod offers the second installing hole, plugs second electrode in the second installing hole, and second electrode passes through spring and the second peace
Dress bottom hole face connects；Wherein first electrode and second electrode offsets setting, and the connecting rod other end is fixed on column；Second
Detection electric wire is wound with coiling, one end of detection electric wire is connected with first electrode；Fixed seat is provided with joint, joint and second
Electrode is connected by wire, and joint is connected with power line.
Preferably, joint is provided with the second fixing pipe, power line is located in the second fixing pipe.
Preferably, the detection electric wire other end is applied in the first fixing pipe, and the first fixing pipe is fixed on column.
The utility model proposes a kind of distribution net work earthing fault positioner, actual with during, power line
All it is attached with power equipment with detection electric wire, during use, twitch detection electric wire, detection electric wire can extend with pulling,
When using finishing, due to the elastic force effect of clockwork spring, clockwork spring can drive the second reel revolution, allows detection electric wire to be again wrapped around
On second reel, detection electric wire can quickly be reclaimed, improve work efficiency, section by this utility model Stability Analysis of Structures
Save the working time.
Brief description
Fig. 1 be the utility model proposes a kind of distribution net work earthing fault positioner structural representation.
Fig. 2 be the utility model proposes a kind of distribution net work earthing fault positioner in pre-tightening apparatus structural representation
Figure.
In figure：Column 1, the first fixing pipe 2, fixed seat 3, the first position-arresting disk 4, clockwork spring 5, rotating shaft 6, the second position-arresting disk 7,
Three position-arresting disks 8, joint 9, the second fixing pipe 10, detection dotted line 11, connecting rod 12, first electrode 13, pre-tightening apparatus 14, second electricity
Pole 15, spring 16.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.
With reference to Fig. 1-2, a kind of distribution net work earthing fault positioner, including mounting base, mounting base fixedly mounts
There are column 1 and fixed seat 3；This utility model also includes the first reel and the second reel, and one end of the first reel is provided with
3rd position-arresting disk 8, the 3rd position-arresting disk 8 is fixed in described fixed seat 3；Suit clockwork spring 5 on first reel, the one of clockwork spring 5
End is fixed on the first coiling drum outer wall, and clockwork spring 5 can be freely swung under the traction of user.
First reel coaxially offers the first installing hole away from one end of the 3rd position-arresting disk 8, the wherein second reel
One end is provided with the rotating shaft 6 being plugged in this first installation in the hole, and rotating shaft 6 is connected with installing hole inwall by bearing, and second
The free end of reel and clockwork spring 5 is fixed；Second reel one end is provided with the second position-arresting disk 7, and the other end is provided with the first position-arresting disk
4, the bottom surface of the first position-arresting disk 4 is provided with the first electrode 13 of annular.
The lower section of first electrode 13 is provided with pre-tightening apparatus 14, and pre-tightening apparatus 14 include connecting rod 12, second electrode 15, spring
16, connecting rod 12 offers the second installing hole, in the second installing hole, plugs second electrode 15, second electrode 15 passes through spring 16
It is connected with the second installing hole bottom surface；Wherein first electrode 13 and second electrode 15 offsets setting, and connecting rod 12 other end is fixed
On column 1.
Detection electric wire 11 is wound with the second coiling, one end of detection electric wire 11 is connected with first electrode 13, using
During, when the second reel is rotated, first electrode 13 is offseted all the time with second electrode 15, allows through detecting electric wire 11
On electric current can be transferred in second electrode 15, detection electric wire 11 other end be applied in the first fixing pipe 2, the first fixing pipe 2
It is fixed on column 1, the first fixing pipe 2 can prevent from detecting that electric wire 11 swings when twitching.
Fixed seat 3 is provided with joint 9, and joint 9 is connected by wire with second electrode 15, and joint 9 is connected with power line,
The electric current being transferred in second electrode 15 can be transferred on joint 9 by wire.Second fixing pipe 10 is provided with joint 9, electricity
Source line is located in the second fixing pipe 10, and the second fixing pipe 10 is used for protecting power line junction without damage.
During actual utilization, power line is all attached with power equipment with detection electric wire 11, during use, twitches
Detection electric wire 11, detection electric wire 11 can extend with pulling, when using finishing, due to the elastic force effect of clockwork spring 5, clockwork spring meeting
Drive the second reel revolution, allow detection electric wire 11 to be again wrapped around on the second reel.
The above, only this utility model preferably specific embodiment, but protection domain of the present utility model is not
Be confined to this, any those familiar with the art in the technical scope that this utility model discloses, according to this practicality
New technical scheme and its utility model design in addition equivalent or change, all should cover in protection model of the present utility model
Within enclosing.
Claims (3)
1. a kind of distribution net work earthing fault positioner, including mounting base it is characterised in that being installed with mounting base
Column（1）And fixed seat（3）；Also include the first reel and the second reel, it is spacing that one end of the first reel is provided with the 3rd
Disk（8）, the 3rd position-arresting disk（8）It is fixed on described fixed seat（3）On；Clockwork spring is set with the first reel（5）, clockwork spring（5）'s
One end is fixed on the first coiling drum outer wall；First reel is away from the 3rd position-arresting disk（8）One end coaxially offer first
Installing hole, one end of the wherein second reel is provided with the rotating shaft being plugged in this first installation in the hole（6）, rotating shaft（6）By axle
Hold and be connected with installing hole inwall, and the second reel and clockwork spring（5）Free end fix；Second reel one end is provided with second
Position-arresting disk（7）, the other end is provided with the first position-arresting disk（4）, the first position-arresting disk（4）Bottom surface be provided with annular first electrode（13）；
First electrode（13）Lower section be provided with pre-tightening apparatus（14）, pre-tightening apparatus（14）Including connecting rod（12）, second electrode（15）, bullet
Spring（16）, connecting rod（12）On offer the second installing hole, plug second electrode in the second installing hole（15）, second electrode（15）
By spring（16）It is connected with the second installing hole bottom surface；Wherein first electrode（13）With second electrode（15）Offset setting, and even
Extension bar（12）The other end is fixed on column（1）On；Detection electric wire is wound with the second coiling（11）, detect electric wire（11）One
End and first electrode（13）Connect；Fixed seat（3）It is provided with joint（9）, joint（9）With second electrode（15）By wire even
Connect, joint（9）On be connected with power line.
2. a kind of distribution net work earthing fault positioner according to claim 1 is it is characterised in that joint（9）Upper installation
There is the second fixing pipe（10）, power line is located in the second fixing pipe（10）Interior.
3. a kind of distribution net work earthing fault positioner according to claim 1 is it is characterised in that detect electric wire（11）Separately
One end is applied in the first fixing pipe（2）Interior, the first fixing pipe（2）It is fixed on column（1）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620950362.1U CN205958691U (en) | 2016-08-27 | 2016-08-27 | Distribution network earth fault positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620950362.1U CN205958691U (en) | 2016-08-27 | 2016-08-27 | Distribution network earth fault positioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205958691U true CN205958691U (en) | 2017-02-15 |
Family
ID=57980433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620950362.1U Active CN205958691U (en) | 2016-08-27 | 2016-08-27 | Distribution network earth fault positioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205958691U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108152678A (en) * | 2017-12-26 | 2018-06-12 | 苏州科爱佳自动化科技有限公司 | A kind of fault automatic checkout system |
| CN108169624A (en) * | 2017-12-26 | 2018-06-15 | 苏州科爱佳自动化科技有限公司 | A kind of fault source localization method |
| CN110589635A (en) * | 2019-09-09 | 2019-12-20 | 陕西久益电力工程有限公司 | Electric power overhaul device and overhaul method |
| CN111780976A (en) * | 2019-03-18 | 2020-10-16 | 中国航发商用航空发动机有限责任公司 | Device for monitoring breakage position of wheel disc over-rotation test |
-
2016
- 2016-08-27 CN CN201620950362.1U patent/CN205958691U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108152678A (en) * | 2017-12-26 | 2018-06-12 | 苏州科爱佳自动化科技有限公司 | A kind of fault automatic checkout system |
| CN108169624A (en) * | 2017-12-26 | 2018-06-15 | 苏州科爱佳自动化科技有限公司 | A kind of fault source localization method |
| CN108152678B (en) * | 2017-12-26 | 2020-02-14 | 苏州科爱佳自动化科技有限公司 | Circuit fault automatic detection system |
| CN111780976A (en) * | 2019-03-18 | 2020-10-16 | 中国航发商用航空发动机有限责任公司 | Device for monitoring breakage position of wheel disc over-rotation test |
| CN111780976B (en) * | 2019-03-18 | 2022-03-15 | 中国航发商用航空发动机有限责任公司 | Device for monitoring breakage position of wheel disc over-rotation test |
| CN110589635A (en) * | 2019-09-09 | 2019-12-20 | 陕西久益电力工程有限公司 | Electric power overhaul device and overhaul method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325800 No. 666 Shanhai Road, Cangnan County Industrial Park, Wenzhou, Zhejiang Patentee after: Zhejiang Branch electronic Limited by Share Ltd Address before: 325800 No. 666 Shanhai Road, Cangnan County Industrial Park, Wenzhou, Zhejiang Patentee before: ZHEJIANG KE CHANG ELECTRONIC CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |