CN201387943Y - Prediction type sensing ground wire - Google Patents
Prediction type sensing ground wire Download PDFInfo
- Publication number
- CN201387943Y CN201387943Y CN200920011146U CN200920011146U CN201387943Y CN 201387943 Y CN201387943 Y CN 201387943Y CN 200920011146 U CN200920011146 U CN 200920011146U CN 200920011146 U CN200920011146 U CN 200920011146U CN 201387943 Y CN201387943 Y CN 201387943Y
- Authority
- CN
- China
- Prior art keywords
- ground wire
- cable
- ground
- prediction type
- type sensing
- 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.)
- Expired - Lifetime
Links
- 238000009413 insulation Methods 0.000 claims abstract description 9
- 230000006698 induction Effects 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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- Electric Cable Installation (AREA)
Abstract
The utility model relates to a prediction type sensing ground wire, which solves the problem that the ground wire can not alarm for the induced voltage, thereby resulting in potential safety hazards. The prediction type sensing ground wire comprises a cable and a ground wire clip, wherein, one end of the cable is connected with the ground wire clamp, the other end of the cable is connected with a ground wire pile head. The prediction type sensing ground wire is characterized in that the ground wire clip is provided with an induced voltage alarm device, the sharp end of the cable is connected with the ground wire clip after the cable penetrates through the operating rod of the insulation telescopic sleeve, the terminal of the operating rod of the insulation telescopic sleeve is provided with a roller through a connecting plate, the terminal of the cable is wound on the shaft of the roller, an additional cable is also arranged, one end of the cable is connected with the connecting plate, and the other end of the cable is connected with the ground wire pile head. The utility model can prevent the poor contact of the ground wire and the damage caused by the induced voltage in the wire or the ground wire to the operators. As the operating rod has the multi-section telescopic sleeve structure and the terminal of the operating rod is provided with the roller, the utility model can facilitate the collection and carrying.
Description
Technical field
The utility model belongs to defeated pretty electro-technical field, the earth connection that uses when particularly having a power failure.
Background technology
The temporary ground wire that electric power system is used is made up of ground clamp, cable and ground wire pile crown, and wherein ground clamp is used to be articulated in lead, and the ground wire pile crown is fixed on the ground wire, and cable connects ground clamp and ground the end of a thread.When carrying out overhaul of the equipments, by the operating personnel with ground wire hitching near the lead the electric equipment.After a certain lead in the power transmission path had a power failure, the lead electric field action can produce induced potential near this lead was subjected to.If it is improper that earth connection hangs, there is the virtual connection phenomenon, cause earth connection ground connection reliably, like this, induced potential will work the mischief to the operating personnel.According to reports, Yichang transmission of electricity company of Hubei ehv power transmission company in 2008 carries out the insulator cleaning to 500 kilovolt shaft towers and disappears when lacking operation operation personnel chest electrification death near the earth terminal of ground wire.The earth connection (cable) that uses at present is suspended in the air in addition, rocks greatly, particularly uses on the tower-mounted circuit of same iron, and safe distance all is difficult to guarantee sometimes.
Content of the present utility model
Can not report to the police to induced voltage in order to solve earth connection, have the problem of potential safety hazard, propose following technical scheme.
The utility model is achieved in that
A kind of induction prevising grounding wire, it comprises the ground clamp that cable is connected with the one end, the ground wire pile crown that the other end connects, its special character are that the induced voltage warning device is installed on the ground clamp.
In order to prevent that cable from rocking big problem aloft, after cable passes insulation extension sleeve action bars, at its most advanced and sophisticated ground clamp that connects, at its terminal ground wire pile crown that connects.
For the ease of the folding and unfolding cable, by connecting plate cylinder is installed at the end of insulation extension sleeve action bars, the Mo Duan Chan of cable is on the axle of cylinder, and other has one section cable, and the one end links to each other with connecting plate, and the other end connects the ground wire pile crown.
Above-mentioned induction alarm device can adopt prior art and product, melts warning device in the Safety helmet with an electric alarm means (DBM-III-A type) that safety equipment Co., Ltd produces as adopting Chong Qingkang.Insulation extension sleeve action bars also is a known technology.
This induction prevising grounding wire using method is: at first the lead that needs hanging earthing conductor is carried out electrical verification, after determining no-voltage, the ground wire pile crown is connected reliably with iron tower, then with ground clamp near lead, this moment warning device send " " chimes of doom, when ground clamp with after lead closely contacts, chimes of doom disappears.If there is the virtual connection phenomenon in the earth connection loose contact, warning device can send chimes of doom so, reminds the operating personnel to check the connection status of earth connection, make it contact good, till chimes of doom disappears.Avoided the earth connection loose contact like this, lead or earth connection exist induced voltage to the harm that the operating personnel causes, and have improved the reliability of earth connection.
Because action bars adopts the multi-joint telescoping telescoping structure, at the end of action bars cylinder is installed, therefore, when this earth connection not a few joint sleeves of time spent can be reduced in the thickest joint, electric cable Chan is convenient to collection like this and is carried on the axle of cylinder.When using, a few joint sleeves can be drawn back, make ground clamp contact wire.
Description of drawings
Fig. 1 is the full sectional view of embodiment, and Fig. 2 is the vertical view of embodiment, and Fig. 3 is the partial enlarged drawing A of embodiment, and Fig. 4 is another state diagram of ground clamp shown in Figure 3, and Fig. 5 is the partial enlarged drawing B of embodiment, and Fig. 6 is the warning device circuit diagram of embodiment.
Embodiment
Embodiment, narrate embodiment with reference to the accompanying drawings.
A kind of induction prevising grounding wire, it comprises cable 5, ground clamp 7 and ground wire pile crown 9.Described cable 5 is made by annealed copper wire.Cable 5 passes insulation telescopic sleeve pipe type sucking action bars 4 backs and connects ground clamp 7, the end of cable 5 fixedly Bing Qie Chan around cylinder 1 the axle 2 on, axle 2 is installed in the end of telescopic sleeve pipe type sucking action bars 4 by connecting plate 3, crank 8 is installed on the axle 2, on connecting plate 3, is connected ground wire pile crown 9 by one section cable (annealed copper wire).Described ground clamp 7 is the rat clip type structure, promptly two clamping plate are connected as one by bearing pin 7.4, mounting spring 7.5 on bearing pin 7.4, on a slice clamping plate, fork 7.2 is installed by bearing pin 7.1, the other end of fork 7.2 is bearing on another sheet ground wire clamping plate, make the open-shaped attitude of ground clamp, on another sheet clamping plate, have through hole 7.3 for fork 7.2 activities.Warning device 6 is installed on ground clamp 7.Described warning device 6 comprises the triggering loop that peripheral cells such as oscillator that peripheral cells such as BG1, BG2 constitute and BG3 constitute.When ground clamp when the charged object, the BG3 conducting, the base stage of BG2 has high potential, circuit vibrates, loud speaker is sounded, is reported to the police.K1 can select different resistance among the figure, formation 220V, 66KV, the electric pressure that 220KV is different.AN is a test button, and circuit is sounded during connection, can checking circuit operate as normal whether.When AN connects, capacitor C3 charging, oscillator work, loudspeaker Y are sounded, and discharge when AN disconnects the back capacitor, be put into certain voltage after, oscillator quits work.
When this induction prevising grounding wire uses, at first the ground wire pile crown is linked to each other with iron tower (ground wire), then a few joint insulation telescopic sleeve pipe type sucking action bars are pulled out successively, reach till the length that needs.Two ground clamps of fork 7.2 supportings this moment, ground clamp 7 open-shaped attitudes, as shown in Figure 3.When the operation personnel with ground clamp 7 during near lead, warning device 6 sends " squeak " and reports to the police.When ground clamp 7 contacted with lead, lead and fork 7.2 collisions broke away from fork 7.2 and a slice ground wire clamping plate wherein, and under the effect of spring 7.5, ground clamp 7 closes, with wire clamp therein, and as shown in Figure 4.When removing earth connection, the crank 8 on 12 of the hand drum, with Dian Lan Chan around, and action bars 4 is shortened.Be convenient to like this collect and carry.
Claims (3)
1, a kind of induction prevising grounding wire, it comprises the ground clamp that cable is connected with the one end, the ground wire pile crown that the other end connects is characterized in that installing on the ground clamp induced voltage warning device.
2, according to the said induction prevising grounding wire of claim 1, it is characterized in that described cable passes insulation extension sleeve action bars after, at its most advanced and sophisticated ground clamp that connects, at its terminal ground wire pile crown that connects.
3, according to the said induction prevising grounding wire of claim 2, its feature is installed cylinder at the end of described insulation extension sleeve action bars by connecting plate, and the Mo Duan Chan of cable is on the axle of cylinder, and other has one section cable, the one end links to each other with connecting plate, and the other end connects the ground wire pile crown.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920011146U CN201387943Y (en) | 2009-03-06 | 2009-03-06 | Prediction type sensing ground wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920011146U CN201387943Y (en) | 2009-03-06 | 2009-03-06 | Prediction type sensing ground wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201387943Y true CN201387943Y (en) | 2010-01-20 |
Family
ID=41580485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920011146U Expired - Lifetime CN201387943Y (en) | 2009-03-06 | 2009-03-06 | Prediction type sensing ground wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201387943Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103066526A (en) * | 2012-12-07 | 2013-04-24 | 河南省电力公司洛阳供电公司 | Grounding wire method applied to high-tension transmission line and separated type grounding tool |
| CN103683500A (en) * | 2013-12-01 | 2014-03-26 | 国家电网公司 | Substation temporary ground unlocking-locking control system |
| CN106324363A (en) * | 2016-10-10 | 2017-01-11 | 国家电网公司 | Device for capacitance measurement of series capacitor |
-
2009
- 2009-03-06 CN CN200920011146U patent/CN201387943Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103066526A (en) * | 2012-12-07 | 2013-04-24 | 河南省电力公司洛阳供电公司 | Grounding wire method applied to high-tension transmission line and separated type grounding tool |
| CN103066526B (en) * | 2012-12-07 | 2017-11-14 | 河南省电力公司洛阳供电公司 | A kind of ground connection line method and separated earthing instrument for ultra-high-tension power transmission line |
| CN103683500A (en) * | 2013-12-01 | 2014-03-26 | 国家电网公司 | Substation temporary ground unlocking-locking control system |
| CN106324363A (en) * | 2016-10-10 | 2017-01-11 | 国家电网公司 | Device for capacitance measurement of series capacitor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE ELECTRIC NET CROP. Effective date: 20121009 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20121009 Address after: 124010 No. 5, main street, Xinglongtai District, Liaoning, Panjin Patentee after: Liaoning Electric Power Corporation Panjin Power Supply Corporation Patentee after: State Grid Corporation of China Address before: 124010 No. 5, main street, Xinglongtai District, Liaoning, Panjin Patentee before: Liaoning Electric Power Corporation Panjin Power Supply Corporation |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100120 |
|
| CX01 | Expiry of patent term |