CN103985576B - A kind of forced blocking formula earth wire pile - Google Patents
A kind of forced blocking formula earth wire pile Download PDFInfo
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- CN103985576B CN103985576B CN201410232002.3A CN201410232002A CN103985576B CN 103985576 B CN103985576 B CN 103985576B CN 201410232002 A CN201410232002 A CN 201410232002A CN 103985576 B CN103985576 B CN 103985576B
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- 230000000903 blocking effect Effects 0.000 title claims abstract description 35
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- 239000000523 sample Substances 0.000 claims description 9
- 230000001939 inductive effect Effects 0.000 claims description 8
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
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- 238000012544 monitoring process Methods 0.000 description 1
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Abstract
The present invention relates to a kind of forced blocking formula earth wire pile, comprise grounding device, control cabinet and unlock key, described grounding device is connected with about control cabinet, described grounding device is that electric conducting material makes, described grounding device one sidewall is provided with groove, its adjacent wall is provided with circular hole, described circular hole is connected with groove top, electromagnetic core is provided with in described control cabinet, control the digital encoder of electromagnetic core power on/off, cover has the card pin of back-moving spring, change over switch, rocking bar, unlock hole and three binding post groups, this device has computer anti-misoperation and lockout and electric blocking two kinds of functions, the two complements one another, enhance fool proof reliability, effectively can prevent live connection of ground wire and line combined floodgate power transmission with ground, meanwhile, ensure when overhauls of the equipments such as isolating switches, because induced electricity or other reason are not removed earth connection and carried out electronic examination deciliter isolating switch.
Description
Technical field
The present invention relates to a kind of forced blocking formula earth wire pile.
Background technology
Electric power system prescribed specific is pointed out: in change, power distribution station, hanging of operational grounding line a little should clearly set in advance, and realizes mandatory locking.Anti-error about earth connection, normally uses the method for locking earth wire pile, under the condition not meeting extension, dismounting ground wire, carries out locking to it.This latching logic judges to have been come by microcomputer anti-misoperation system, has namely completely been come by computer software.
Existing conventional blocking method belongs to " soft locking ", once anti-error logical mistake or microcomputer anti-misoperation system self occur abnormal, will cause the generation of misoperation fault; Simultaneously, if operating personnel extracted computer key before puzzle lock is not also opened, computer key will show can carry out next step operation, if operating personnel do not carry out this step of repetitive operation or directly carry out next step operation, just there will be the problem of " walking idle running ", the generation of misoperation fault can be caused equally.
Summary of the invention
The present invention is directed to above-mentioned prior art Problems existing and make improvement, namely technical problem to be solved by this invention is to provide a kind of forced blocking formula earth wire pile, there are computer anti-misoperation and lockout and electric blocking two kinds of functions, the two complements one another, enhance fool proof reliability, effectively can prevent live connection of ground wire and line combined floodgate power transmission with ground; Meanwhile, ensure when overhauls of the equipments such as isolating switches, because induced electricity or other reason are not removed earth connection and carried out electronic examination deciliter isolating switch.
In order to solve the problems of the technologies described above, technical scheme of the present invention is: a kind of forced blocking formula earth wire pile, comprise grounding device, control cabinet and unlock key, described grounding device is connected with about control cabinet, described grounding device is that electric conducting material makes, the sidewall that described grounding device fits in control cabinet is provided with groove, its adjacent wall is provided with circular hole, described circular hole is connected with groove top, electromagnetic core is provided with in described control cabinet, control the digital encoder of electromagnetic core power on/off, cover has the card pin of back-moving spring, change over switch, rocking bar, unlock hole and three binding post groups, described change over switch comprises the jam plate be arranged in control cabinet, self-sustaining semicircular ring, rotating shaft and the handle be arranged on outside control cabinet, one end sidewall of described self-sustaining semicircular ring is provided with pressing plate, one end of described card pin is pressed on jam plate and makes control cabinet be in blocking, after described electromagnetic core energising, absorption card pin makes card pin compression reseting spring and departs from jam plate, described rocking bar is hinged in control cabinet by a convex axle, the stock that the length that is divided into rocking bar by described convex axle does not wait and quarter butt, the end of described stock is connected with the baffle plate blocking grounding device circular hole, described baffle plate is rotated in grounding device groove by rocking bar, rocking bar is horizontal above described pressing plate is pressed in quarter butt end when blocking, now circular hole blocks by baffle plate, the electrical break-make of binding post group is controlled by reversing change over switch, described unlock key is the key of charged pool, described unlock key in case of emergency inserts unlock hole and powers to electromagnetic core.
Further, described three binding post groups are respectively the first binding post group, second binding post group and the 3rd binding post group, described each binding post group comprises two one end and is arranged on binding post outside control cabinet and a nose bar with spring, described nose bar is also provided with contact, one end of described nose bar is resisted against on all sidewalls of rotating shaft of change over switch, described nose bar is distributed on the same circumferential side wall of rotating shaft, this place's circumferential side wall of described rotating shaft is provided with the first groove, when described nose bar end is headed into this first groove under the action of the spring, two binding posts of this binding post group of the contact on nose bar form electrical UNICOM, described first binding post group is also provided with the second nose bar of band spring, described second nose bar is provided with contact, the end of described second nose bar is resisted against in rotating shaft week another place of sidewall, this place's circumferential side wall is provided with the second groove, described change over switch is when blocking, first binding post group UNICOM, other disconnect, described change over switch is when released state, second binding post group UNICOM, other disconnect, described change over switch is when disarm state, first binding post group and the 3rd binding post group UNICOM respectively, other disconnect.
Further, the handle of described change over switch is also provided with inductive probe, described inductive probe and high-voltage electriferous display locking device with the use of, send the warning of " equipment has electricity " when equipment has electricity.
Further, be provided with the seat board that electric conducting material makes bottom described grounding device, bottom described control cabinet, be provided with insulation seat board.
When earth connection will be installed, if the numbering of digital encoder is consistent with the numbering stored in advance in computer key, then electromagnetic core energising absorption card pin is to left movement, back-moving spring is compressed under suction, card pin departs from jam plate, at this moment, change over switch can rotate, and change over switch initial condition is blocking; When change over switch turns to unlocked position, rocking bar rotates in the groove of grounding device around convex axle under self gravitation effect, baffle plate departs from the circular hole of grounding device, then this circular hole can load earth connection, the the first binding post group be simultaneously connected with equipment (as isolating switch) locked loop in control cabinet is disconnected, to this operate, can not This prevents and miss conjunction equipment in the process of hanging earthing conductor.Equally, when earth connection is not removed, electric blocking loop is disconnected always, to this operate, can not This prevents line combined floodgate power transmission with ground.
But, in the case of necessary, such as during isolating switch maintenance, when can not remove earth connection due to induced electricity or other reason and try deciliter isolating switch again, according to pertinent regulations, after fulfiling license formality, change over switch can be turned to and remove position, then the first binding post group UNICOM, removes the electric blocking to isolating switch, can line examination deciliter isolating switch with ground.
Further, the grounding device of earth wire pile and control cabinet can freely be dismantled, and do not needing the occasion of carrying out electric blocking, its grounding device can be used alone.
Compared with prior art, the present invention has following beneficial effect:
(1) diverse in function, dismounting is flexible, convenient, safe and reliable;
(2) effectively live connection of ground wire can be prevented;
(3) can effectively prevent line with ground from closing circuit breaker (isolating switch);
(4) effectively mistakenly entering charged chamber can be prevented;
(5) inductive probe and high-voltage electriferous display locking device with the use of;
(6) Electromagnetic Solution lock key, common mechanical instrument cannot replace it;
(7) insulation-encapsulated is adopted to control section, for open air, prevent watered and wetting.
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
Accompanying drawing explanation
Fig. 1 is the organigram of the embodiment of the present invention.
Fig. 2 is the organigram that in the embodiment of the present invention, change over switch is in blocking.
Fig. 3 is the organigram that in the embodiment of the present invention, change over switch is in released state.
Fig. 4 is the organigram that in the embodiment of the present invention, change over switch is in disarm state.
Fig. 5 is the organigram of unlock key in the embodiment of the present invention.
Fig. 6 is the organigram of change over switch in the embodiment of the present invention.
Fig. 7 is the end view of Fig. 6.
Fig. 8 is the change over switch organigram that each binding post group connects when blocking in the embodiment of the present invention.
Fig. 9 is the change over switch organigram that each binding post group connects when disarm state in the embodiment of the present invention.
In figure: 1-grounding device, 11-seat board, 12-circular hole, 2-control cabinet, 21-insulate seat board, 22-unlock hole, 23-electromagnetic core, 24-back-moving spring, 25-card pin, 3-digital encoder, 4-change over switch, 41-handle, 42-rotating shaft, 43-self-sustaining semicircular ring, 44-jam plate, 45-pressing plate, 46-first groove, 47-second groove, 48-inductive probe, 5-binding post group, 51-first binding post group, 52-second binding post group, 53-the 3rd binding post group, 54-contact, 6-rocking bar, 61-baffle plate, the convex axle of 62-, 7-unlock key, 71-Electrical heads, 72-battery, 73-link.
Embodiment
Embodiment one: as shown in Fig. 1 ~ 9, a kind of forced blocking formula earth wire pile, comprise grounding device 1, control cabinet 2 and unlock key 7, described grounding device 1 is connected with control cabinet about 2, described grounding device 1 is electric conducting material making, the sidewall that described grounding device 1 fits in control cabinet 2 is provided with groove, its adjacent wall is provided with circular hole 12, described circular hole 12 is connected with groove top, electromagnetic core 23 is provided with in described control cabinet 2, control the digital encoder 3 of electromagnetic core 23 power on/off, cover has the card pin 25 of back-moving spring 24, change over switch 4, rocking bar 6, unlock hole 22 and three binding post groups 5, described change over switch 4 comprises the jam plate 44 be arranged in control cabinet, self-sustaining semicircular ring 43, rotating shaft 43 and the handle 41 be arranged on outside control cabinet, one end sidewall of described self-sustaining semicircular ring 43 is provided with pressing plate 45, one end of described card pin 25 is pressed on jam plate 44 and makes control cabinet 2 be in blocking, adsorb card pin 25 after described electromagnetic core 23 is energized make card pin compression reseting spring 24 and depart from jam plate 44, described rocking bar 6 is hinged in control cabinet 2 by a convex axle, the stock that the length that is divided into rocking bar 6 by described convex axle does not wait and quarter butt, the end of described stock is connected with the baffle plate 61 blocking grounding device circular hole 12, described baffle plate 61 is rotated in grounding device groove by rocking bar 6, rocking bar 6 is horizontal above described pressing plate 45 is pressed in quarter butt end when blocking, now circular hole 12 blocks by baffle plate 61, the electrical break-make of binding post group 5 is controlled by reversing change over switch 4, described unlock key 7 is the key of charged pool, comprise Electrical heads 71, battery 72, link 73, described unlock key 7 in case of emergency inserts unlock hole 22 pairs of electromagnetic cores and powers.
In the present embodiment, self-sustaining semicircular ring 43 has blocked card pin 25 and rocking bar 6, makes it not move right, only goes back to blocking at change over switch 4, and after baffle plate 61 blocks circular hole 12, card pin 25 could reset.
In the present embodiment, described three binding post groups 5 are respectively the first binding post group 51, second binding post group 51 and the 3rd binding post group 53, described each binding post group comprises two one end and is arranged on binding post outside control cabinet and a nose bar with spring, described nose bar is also provided with contact 54, one end of described nose bar is resisted against on rotating shaft 42 weeks sidewalls of change over switch, described nose bar is distributed on the same circumferential side wall of rotating shaft, this place's circumferential side wall of described rotating shaft 42 is provided with the first groove 46, when described nose bar end is headed into this first groove under the action of the spring, two binding posts of this binding post group of the contact on nose bar form electrical UNICOM, described first binding post group 51 is also provided with the second nose bar of band spring, described second nose bar is provided with contact, the end of described second nose bar is resisted against in rotating shaft week another place of sidewall, this place's circumferential side wall is provided with the second groove 47, described change over switch 4 is when blocking, first binding post group 51 UNICOM, other disconnect, described change over switch 4 is when released state, second binding post group 52 UNICOM, other disconnect, described change over switch 4 is when disarm state, first binding post group 51 and the 3rd binding post group 53 UNICOM respectively, other disconnect.
In the present embodiment, first binding post group 51 is externally connected with mark binding post 1., 2. at control cabinet, second binding post group 52 is externally connected with mark binding post 3., 4. at control cabinet, 3rd binding post group 53 is externally connected with mark binding post 5., 6. at control cabinet, 5., 6. binding post can with 3., 4. binding post coordinate, be used as monitoring backstage earth wire pile Signal aspects.
In the present embodiment, the handle of described change over switch is also provided with inductive probe 48, described inductive probe 48 and high-voltage electriferous display locking device with the use of, send the warning of " equipment has electricity " when equipment has electricity.
In the present embodiment, for ease of settling, bottom described grounding device 1, being provided with the seat board 11 that electric conducting material makes, bottom described control cabinet 2, being provided with insulation seat board 21.
This forced blocking formula earth wire pile has the following advantages:
1, this device is particularly suitable for the place uprising low-pressure side, switch cubicle etc. and need hanging earthing conductor used.Two such earth wire piles are installed respectively in the suitable place uprising the equipment such as low-pressure side, switch cubicle used.Access in electrically operated isolating switch loop, high-pressure side the first binding post group 51 1., 2. binding post, prevent line with ground from closing isolating switch; Access in the closing by hand loop of low-pressure side (380V) circuit breaker the first binding post group 51 1., 2. binding post, so namely do not affect low-voltage circuit breaker reliable trip, can effectively prevent again line with ground from closing circuit breaker.
2, with the voltage extracting equipment such as high-voltage electriferous display locking device with the use of.The place of electrical verification such as directly cannot be carried out for high-tension switch cabinet etc.When circuit has electric, make computer key cannot open this earthing device at all, realize forced blocking.Namely after opening this earthing device by mechanical release, by improving the sound prompt function of high-voltage electriferous display locking device, when change over switch is switched to unlocked position, utilize the second binding post group 52 3., 4. binding post, the voice message loop of demand working high-voltage electriferous display locking device, high voltage display device then continues the warning sending " circuit has electricity ", reminds operating personnel not want hanging earthing conductor.Like this, operating personnel will ask and confirm circuit better operates after whether really having electricity further.After confirmation circuit is really without electricity, change over switch 4 is placed in " releasing " position, phonic warning prompting is eliminated.
3, inductive probe 48 and high-voltage electriferous display locking device with the use of.Send the warning of " equipment has electricity " when equipment has electricity, prevent from being strayed into interval.
4, with shutting device to prevent mistakes in microcomputer with the use of.In microcomputer anti-misoperation system, set a kind of latching logic, realize the requirement of computer anti-misoperation and lockout.Such as when isolating switch does not disconnect, anti-mis-logical can not pass through, and computer key can not open this earthing device, prevents live connection of ground wire; When earth connection is not removed, anti-mis-logical can not pass through, can not disconnecting switch operation, prevents line with ground from closing isolating switch.
5, Electromagnetic Solution lock key 7, common mechanical instrument cannot replace it, thoroughly solves the danger adopting common mechanical instrument to unlock.
The foregoing is only preferred embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (4)
1. a forced blocking formula earth wire pile, it is characterized in that: comprise grounding device, control cabinet and unlock key, described grounding device is connected with about control cabinet, described grounding device is that electric conducting material makes, the sidewall that described grounding device fits in control cabinet is provided with groove, its adjacent wall is provided with circular hole, described circular hole is connected with groove top, electromagnetic core is provided with in described control cabinet, control the digital encoder of electromagnetic core power on/off, cover has the card pin of back-moving spring, change over switch, rocking bar, unlock hole and three binding post groups, described change over switch comprises the jam plate be arranged in control cabinet, self-sustaining semicircular ring, rotating shaft and the handle be arranged on outside control cabinet, one end sidewall of described self-sustaining semicircular ring is provided with pressing plate, one end of described card pin is pressed on jam plate and makes control cabinet be in blocking, after described electromagnetic core energising, absorption card pin makes card pin compression reseting spring and departs from jam plate, described rocking bar is hinged in control cabinet by a convex axle, the stock that the length that is divided into rocking bar by described convex axle does not wait and quarter butt, the end of described stock is connected with the baffle plate blocking grounding device circular hole, described baffle plate is rotated in grounding device groove by rocking bar, rocking bar is horizontal above described pressing plate is pressed in quarter butt end when blocking, now circular hole blocks by baffle plate, the electrical break-make of binding post group is controlled by reversing change over switch, described unlock key is the key of charged pool, described unlock key in case of emergency inserts unlock hole and powers to electromagnetic core.
2. forced blocking formula earth wire pile according to claim 1, it is characterized in that: described three binding post groups are respectively the first binding post group, second binding post group and the 3rd binding post group, described each binding post group comprises two one end and is arranged on binding post outside control cabinet and a nose bar with spring, described nose bar is also provided with contact, one end of described nose bar is resisted against on all sidewalls of rotating shaft of change over switch, described nose bar is distributed on the same circumferential side wall of rotating shaft, this place's circumferential side wall of described rotating shaft is provided with the first groove, when described nose bar end is headed into this first groove under the action of the spring, two binding posts of this binding post group of the contact on nose bar form electrical UNICOM, described first binding post group is also provided with the second nose bar of band spring, described second nose bar is provided with contact, the end of described second nose bar is resisted against in rotating shaft week another place of sidewall, this place's circumferential side wall is provided with the second groove, described change over switch is when blocking, first binding post group UNICOM, other disconnect, described change over switch is when released state, second binding post group UNICOM, other disconnect, described change over switch is when disarm state, first binding post group and the 3rd binding post group UNICOM respectively, other disconnect.
3. forced blocking formula earth wire pile according to claim 1, it is characterized in that: the handle of described change over switch is also provided with inductive probe, described inductive probe and high-voltage electriferous display locking device with the use of, send the warning of " equipment has electricity " when equipment has electricity.
4. forced blocking formula earth wire pile according to claim 1, is characterized in that: be provided with the seat board that electric conducting material makes bottom described grounding device, be provided with insulation seat board bottom described control cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410232002.3A CN103985576B (en) | 2014-05-29 | 2014-05-29 | A kind of forced blocking formula earth wire pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410232002.3A CN103985576B (en) | 2014-05-29 | 2014-05-29 | A kind of forced blocking formula earth wire pile |
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| Publication Number | Publication Date |
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| CN103985576A CN103985576A (en) | 2014-08-13 |
| CN103985576B true CN103985576B (en) | 2016-02-03 |
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| CN201410232002.3A Active CN103985576B (en) | 2014-05-29 | 2014-05-29 | A kind of forced blocking formula earth wire pile |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600575B (en) * | 2015-01-07 | 2016-10-19 | 国家电网公司 | The grounding device of anti-charged installation earth lead |
| CN107527763B (en) * | 2017-07-26 | 2023-08-18 | 山东泰开高压开关有限公司 | Manual isolation operating mechanism for GIS isolating switch |
| CN113593089B (en) * | 2021-07-29 | 2023-05-16 | 珠海优特电力科技股份有限公司 | Grounding wire hooking identity authentication method and system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06333470A (en) * | 1993-05-24 | 1994-12-02 | Takaoka Electric Mfg Co Ltd | Earthing device for switch |
| JP4577711B2 (en) * | 2004-09-21 | 2010-11-10 | 河村電器産業株式会社 | Earth leakage display device for earth leakage breaker |
| CN201584660U (en) * | 2009-12-17 | 2010-09-15 | 山东电力集团公司超高压公司 | Earth wire locking device |
| CN202601860U (en) * | 2012-06-08 | 2012-12-12 | 内蒙古东部电力有限公司通辽电业局 | Misoperation-preventive locking device of grounding pile |
| CN203850176U (en) * | 2014-05-29 | 2014-09-24 | 国家电网公司 | Forcedly-locked ground wire pole |
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2014
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