CN103985576A - Forced locking-type ground wire pile - Google Patents
Forced locking-type ground wire pile Download PDFInfo
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- CN103985576A CN103985576A CN201410232002.3A CN201410232002A CN103985576A CN 103985576 A CN103985576 A CN 103985576A CN 201410232002 A CN201410232002 A CN 201410232002A CN 103985576 A CN103985576 A CN 103985576A
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- Prior art keywords
- binding post
- control cabinet
- post group
- change over
- over switch
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Abstract
The invention relates to a forced locking-type ground wire pile which comprises a ground connector, a control cabinet and an unlocking key. The ground connector and the control cabinet are connected in a left-right mode. The ground connector is made of connective materials. A groove is formed in one side wall of the ground connector, and a circular hole is formed in the side wall, adjacent to the side wall where the groove is formed, of the ground connector. The circular hole is communicated with the top of the groove. An electromagnetic iron core, a digital encoder, a clamping pin, a diverter switch, a rocker, an unlocking hole and three binding post sets are arranged inside the control cabinet, wherein the digital encoder controls the electromagnetic iron core to be powered on or powered off, and the clamping pin is sleeved with a reset spring. The forced enclosed-type ground wire pile has the two functions of microcomputer mistaken locking prevention and electrical locking, the two functions complement each other, reliability of the misoperation prevention is improved, and electrified ground wire and ground wire switching-on power supply can be effectively prevented; meanwhile, when devices like a disconnecting switch are overhauled, it is ensured that switching-on and switching-off of the disconnecting switch can be electrically tested without removal of the ground wire due to induced electricity or other reasons.
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 a little of operational grounding line should clearly be set in advance, and realizes mandatory locking.Anti-error about earth connection, normally uses the method for locking earth wire pile, not meeting under the condition of extension, dismounting ground wire, it is carried out to locking.This latching logic judgement completes by microcomputer anti-misoperation system, by computer software, is completed completely.
Existing conventional blocking method belongs to " soft locking ", once anti-error logical mistake or microcomputer anti-misoperation system self occurs extremely, will causing the generation of misoperation fault; Simultaneously, if operating personnel had not extracted computer key before puzzle lock is 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, the problem that just there will be " walking idle running ", can cause the generation of misoperation fault equally.
Summary of the invention
The problem that the present invention is directed to above-mentioned prior art existence is made improvement, be that technical problem to be solved by this invention is to provide a kind of forced blocking formula earth wire pile, there are two kinds of functions of computer anti-misoperation and lockout and electric blocking, the two complements one another, strengthen fool proof reliability, can effectively prevent live connection of ground wire and line combined floodgate power transmission with ground; , guarantee when the overhauls of the equipments such as isolating switch, because induced electricity or other reason are not removed earth connection and carried out electronic examination deciliter isolating switch meanwhile.
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 control cabinet left and right, described grounding device is that electric conducting material is made, on described grounding device one sidewall, be provided with groove, on its adjacent wall, be provided with circular hole, described circular hole is connected with groove top, in described control cabinet, be provided with electromagnetic core, 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 being arranged in control cabinet, self-sustaining semicircular ring, rotating shaft and be arranged on the handle outside control cabinet, on one end sidewall of described self-sustaining semicircular ring, be provided with pressing plate, one end of described card pin is pressed on jam plate and makes control cabinet 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 protruding axle, described protruding axle is divided into by rocking bar stock and the quarter butt that length does not wait, the end of described stock is connected with the baffle plate that blocks grounding device circular hole, described baffle plate rotates in grounding device groove by rocking bar, described pressing plate is pressed in above the end of quarter butt and rocking bar is horizontal when blocking, now baffle plate blocks circular hole, by reversing change over switch, control the electrical break-make of binding post group, described unlock key is the key of charged pool, described unlock key in case of emergency inserts unlock hole electromagnetic core is powered.
Further, described three binding post groups are respectively the first binding post group, the second binding post group and the 3rd binding post group, described each binding post group comprises that two one end are arranged on binding post and the nose bar with spring outside control cabinet, on described nose bar, be 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, on this place's circumferential side wall of described rotating shaft, be provided with groove, when described nose bar end is headed into this groove under spring action, two binding posts of this binding post group of the contact on nose bar form electrical UNICOM, described the first binding post group is also provided with the second nose bar with spring, on described the second nose bar, be provided with contact, the end of described the second nose bar is resisted against in another place of rotating shaft week sidewall, on this place's circumferential side wall, be provided with the second groove, described change over switch is when blocking, the first binding post group UNICOM, other disconnections, described change over switch is when released state, the second binding post group UNICOM, other disconnections, described change over switch is when disarm state, the first binding post group and the 3rd binding post group be UNICOM respectively, other disconnections.
Further, be also provided with inductive probe on the handle of described change over switch, described inductive probe and high-voltage electriferous display locking device are used in conjunction with, and send the warning of " equipment has electricity " when equipment has electricity.
Further, described grounding device bottom is provided with the seat board that electric conducting material is made, and described control cabinet bottom is provided with insulation seat board.
In the time will installing earth connection, if the numbering of digital encoder is with in computer key, the numbering of storage is consistent in advance, 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 at grounding device around protruding axle under self gravitation effect, baffle plate departs from the circular hole of grounding device, this circular hole can pack earth connection into, the the first binding post group being simultaneously connected with equipment (as isolating switch) locked loop in control cabinet is disconnected, can not be to this operate, this has just prevented from closing equipment in the process of hanging earthing conductor by mistake.Equally, when earth connection is not removed, electric blocking loop is disconnected always, can not be to this operate, and this has just prevented line combined floodgate power transmission with ground.
But, in the case of necessary, for example, when isolating switch overhauls, because induced electricity or other reason can not be removed earth connection and again during examination deciliter isolating switch, according to pertinent regulations, fulfil after license formality, change over switch can be turned to and removes position, 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 in the occasion that does not need to carry out electric blocking, its grounding device can use separately.
Compared with prior art, the present invention has following beneficial effect:
(1) diverse in function, dismounting is flexible, convenient, safe and reliable;
(2) can effectively prevent live connection of ground wire;
(3) can effectively prevent that line with ground from closing circuit breaker (isolating switch);
(4) can effectively prevent mistakenly entering charged chamber;
(5) inductive probe and high-voltage electriferous display locking device are used in conjunction with;
(6) Electromagnetic Solution lock key, common mechanical instrument cannot replace it;
(7) control section is adopted to insulation-encapsulated, 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 of change over switch in blocking in the embodiment of the present invention.
Fig. 3 is the organigram of change over switch in released state in the embodiment of the present invention.
Fig. 4 is the organigram of change over switch in disarm state in the embodiment of the present invention.
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, the 21-seat board that insulate, 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-groove, 47-the second groove, 48-inductive probe, 5-binding post group, 51-the first binding post group, 52-the second binding post group, 53-the 3rd binding post group, 54-contact, 6-rocking bar, 61-baffle plate, the protruding axle of 62-, 7-unlock key, 71-Electrical heads, 72-battery, 73-link.
Embodiment
Embodiment mono-: 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 2 left and right, described grounding device 1 is electric conducting material making, on described grounding device 1 one sidewalls, be provided with groove, on its adjacent wall, be provided with circular hole 12, described circular hole 12 is connected with groove top, in described control cabinet 2, be provided with electromagnetic core 23, 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 being arranged in control cabinet, self-sustaining semicircular ring 43, rotating shaft 43 and be arranged on the handle 41 outside control cabinet, on one end sidewall of described self-sustaining semicircular ring 43, be provided with pressing plate 45, one end of described card pin 25 is pressed on jam plate 44 and makes control cabinet 2 in blocking, after described electromagnetic core 23 energisings, absorption card pin 25 makes card pin compression reseting spring 24 and departs from jam plate 44, described rocking bar 6 is hinged in control cabinet 2 by a protruding axle, described protruding axle is divided into by rocking bar 6 stock and the quarter butt that length does not wait, the end of described stock is connected with the baffle plate 61 that blocks grounding device circular hole 12, described baffle plate 61 rotates in grounding device groove by rocking bar 6, described pressing plate 45 is pressed in above the end of quarter butt and rocking bar 6 is horizontal when blocking, now baffle plate 61 blocks circular hole 12, by reversing change over switch 4, control the electrical break-make of binding post group 5, the key that described unlock key 7 is charged pool, comprise Electrical heads 71, battery 72, link 73, described unlock key 7 in case of emergency inserts 22 pairs of electromagnetic core power supplies of unlock hole.
In the present embodiment, self-sustaining semicircular ring 43 has been blocked card pin 25 and rocking bar 6, and it can not be moved right, and only at change over switch 4, goes back to blocking, and baffle plate 61 blocks after circular hole 12, and card pin 25 could reset.
In the present embodiment, described three binding post groups 5 are respectively the first binding post group 51, the second binding post group 51 and the 3rd binding post group 53, described each binding post group comprises that two one end are arranged on binding post and the nose bar with spring outside control cabinet, on described nose bar, be also provided with contact 54, one end of described nose bar is resisted against on 42 weeks sidewalls of rotating shaft of change over switch, described nose bar is distributed on the same circumferential side wall of rotating shaft, on this place's circumferential side wall of described rotating shaft 42, be provided with groove 46, when described nose bar end is headed into this groove under spring action, two binding posts of this binding post group of the contact on nose bar form electrical UNICOM, described the first binding post group 51 is also provided with the second nose bar with spring, on described the second nose bar, be provided with contact, the end of described the second nose bar is resisted against in another place of rotating shaft week sidewall, on this place's circumferential side wall, be provided with the second groove 47, described change over switch 4 is when blocking, the first binding post Zu51 UNICOM, other disconnections, described change over switch 4 is when released state, the second binding post Zu52 UNICOM, other disconnections, described change over switch 4 is when disarm state, the first binding post group 51 and the 3rd binding post group 53 be UNICOM respectively, other disconnections.
In the present embodiment, the first binding post group 51 is externally connected with mark binding post 1., 2. at control cabinet, the second binding post group 52 is externally connected with mark binding post 3., 4. at control cabinet, the 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 coordinates, be used as monitoring backstage earth wire pile signal and show.
In the present embodiment, be also provided with inductive probe 48 on the handle of described change over switch, described inductive probe 48 is used in conjunction with high-voltage electriferous display locking device, sends the warning of " equipment has electricity " when equipment has electricity.
In the present embodiment, for ease of settling, described grounding device 1 bottom is provided with the seat board 11 that electric conducting material is made, and described control cabinet 2 bottoms are 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 that low-pressure side, switch cubicle etc. need hanging earthing conductor that uprises used.In the suitable place that uprises the equipment such as low-pressure side, switch cubicle used, two such earth wire piles are installed respectively.In electrically operated isolating switch loop, high-pressure side, access the first binding post group 51 1., 2. binding post, prevent that line with ground from closing isolating switch; In the closing by hand loop of low-pressure side (380V) circuit breaker, access the first binding post group 51 1., 2. binding post, so do not affect low-voltage circuit breaker reliable trip, can effectively prevent that again line with ground from closing circuit breaker.
2, be used in conjunction with the voltage extracting equipment such as high-voltage electriferous display locking device.Such as cannot directly carrying out the place of electrical verification for high-tension switch cabinet etc.At circuit, have electric in the situation that, make computer key cannot open this earthing device at all, realize forced blocking.By mechanical release, open after this earthing device, 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 continues to send the warning of " circuit has electricity ", reminds operating personnel not want hanging earthing conductor.Like this, operating personnel better operate after will asking further confirmation circuit whether really to have electricity.After confirming that circuit is really without electricity, change over switch 4 is placed in to " releasing " position, phonic warning prompting is eliminated.
3, inductive probe 48 is used in conjunction with high-voltage electriferous display locking device.When equipment has electricity, send the warning of " equipment has electricity ", prevent from being strayed into interval.
4, be used in conjunction with shutting device to prevent mistakes in microcomputer.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 be opened 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, prevent that line with ground from closing isolating switch.
5, Electromagnetic Solution lock key 7, and common mechanical instrument cannot replace it, thoroughly solved the danger that adopts the release of common mechanical instrument.
The foregoing is only preferred embodiment of the present invention, all equalizations of doing 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 control cabinet left and right, described grounding device is that electric conducting material is made, on described grounding device one sidewall, be provided with groove, on its adjacent wall, be provided with circular hole, described circular hole is connected with groove top, in described control cabinet, be provided with electromagnetic core, 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 being arranged in control cabinet, self-sustaining semicircular ring, rotating shaft and be arranged on the handle outside control cabinet, on one end sidewall of described self-sustaining semicircular ring, be provided with pressing plate, one end of described card pin is pressed on jam plate and makes control cabinet 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 protruding axle, described protruding axle is divided into by rocking bar stock and the quarter butt that length does not wait, the end of described stock is connected with the baffle plate that blocks grounding device circular hole, described baffle plate rotates in grounding device groove by rocking bar, described pressing plate is pressed in above the end of quarter butt and rocking bar is horizontal when blocking, now baffle plate blocks circular hole, by reversing change over switch, control the electrical break-make of binding post group, described unlock key is the key of charged pool, described unlock key in case of emergency inserts unlock hole electromagnetic core is powered.
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, the second binding post group and the 3rd binding post group, described each binding post group comprises that two one end are arranged on binding post and the nose bar with spring outside control cabinet, on described nose bar, be 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, on this place's circumferential side wall of described rotating shaft, be provided with groove, when described nose bar end is headed into this groove under spring action, two binding posts of this binding post group of the contact on nose bar form electrical UNICOM, described the first binding post group is also provided with the second nose bar with spring, on described the second nose bar, be provided with contact, the end of described the second nose bar is resisted against in another place of rotating shaft week sidewall, on this place's circumferential side wall, be provided with the second groove, described change over switch is when blocking, the first binding post group UNICOM, other disconnections, described change over switch is when released state, the second binding post group UNICOM, other disconnections, described change over switch is when disarm state, the first binding post group and the 3rd binding post group be UNICOM respectively, other disconnections.
3. forced blocking formula earth wire pile according to claim 1, it is characterized in that: on the handle of described change over switch, be also provided with inductive probe, described inductive probe and high-voltage electriferous display locking device are used in conjunction with, and 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: described grounding device bottom is provided with the seat board that electric conducting material is made, and described control cabinet bottom is provided with insulation seat board.
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 |
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| 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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| CN103985576A true CN103985576A (en) | 2014-08-13 |
| CN103985576B CN103985576B (en) | 2016-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
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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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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600575A (en) * | 2015-01-07 | 2015-05-06 | 国家电网公司 | Antistatic grounding device installed with ground wires |
| CN107527763A (en) * | 2017-07-26 | 2017-12-29 | 山东泰开高压开关有限公司 | A kind of manual isolated operation mechanism of GIS disconnecting switch |
| CN113593089A (en) * | 2021-07-29 | 2021-11-02 | 珠海优特电力科技股份有限公司 | Ground wire hanging connection identity authentication method and system |
Citations (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 |
| JP2006092770A (en) * | 2004-09-21 | 2006-04-06 | Kawamura Electric Inc | Ground leakage display device for ground 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 |
-
2014
- 2014-05-29 CN CN201410232002.3A patent/CN103985576B/en active Active
Patent Citations (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 |
| JP2006092770A (en) * | 2004-09-21 | 2006-04-06 | Kawamura Electric Inc | Ground leakage display device for ground 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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600575A (en) * | 2015-01-07 | 2015-05-06 | 国家电网公司 | Antistatic grounding device installed with ground wires |
| CN107527763A (en) * | 2017-07-26 | 2017-12-29 | 山东泰开高压开关有限公司 | A kind of manual isolated operation mechanism of GIS disconnecting switch |
| 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 |
| CN113593089A (en) * | 2021-07-29 | 2021-11-02 | 珠海优特电力科技股份有限公司 | Ground wire hanging connection identity authentication method and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103985576B (en) | 2016-02-03 |
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