CN106941227B - A portable and misoperation-proof short-circuit grounding device - Google Patents
A portable and misoperation-proof short-circuit grounding device Download PDFInfo
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- CN106941227B CN106941227B CN201710271539.4A CN201710271539A CN106941227B CN 106941227 B CN106941227 B CN 106941227B CN 201710271539 A CN201710271539 A CN 201710271539A CN 106941227 B CN106941227 B CN 106941227B
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- ground connection
- misoperation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/64—Means for preventing incorrect coupling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/64—Means for preventing incorrect coupling
- H01R13/641—Means for preventing incorrect coupling by indicating incorrect coupling; by indicating correct or full engagement
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/6608—Structural association with built-in electrical component with built-in single component
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/6608—Structural association with built-in electrical component with built-in single component
- H01R13/6633—Structural association with built-in electrical component with built-in single component with inductive component, e.g. transformer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6691—Structural association with built-in electrical component with built-in electronic circuit with built-in signalling means
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The present invention relates to a kind of anti-misoperation short-circuit grounding devices easy to carry, including operating stick (1) or operation connector (38), it is grounded collet (4), it is grounded exit (25), ground lead (26) and ground terminal collet (5), the ground connection collet (4) is connect by being grounded exit (25) with ground lead (26), the ground lead (26) is connect with ground terminal collet (5), the operating stick (1) or operation connector (38) are equipped with close to ground connection collet (4) side charges prior-warning device (6).Compared with prior art, the present invention has many advantages, such as safe and reliable, easy to operate.
Description
The application is the divisional application of earlier application, a kind of entitled " anti-misoperation short circuit grounding of earlier application
Device ", application No. is " 201410483052.9 ", the applyings date 2014/9/19.
Technical field
The present invention relates to field of power systems, more particularly, to a kind of anti-misoperation short-circuit grounding device.
Background technique
Short-circuit grounding wire is a kind of safety appliance that electric power apparatus examination operation is indispensable, however carrys additionally short circuit and connect wires
Operation once make mistakes, such as accidentally to the power equipment of charging operation carry additionally short-circuit grounding wire, serious height will be caused
The short circuit of equipment metallic earthing is pressed, great short circuit current and high-temperature electric arc is generated, causes field device moment to be burnt, operator
The even dead major accident of member's electric arc burn.
With the in-depth of anti-misoperation management system and the progress of technology, power industry misoperation fault declines year by year, so
And many pernicious misoperation faults also fail to fundamentally prevent, such as the pernicious misoperation fault with cable address short-circuit grounding wire is every
Year still happens occasionally.Band cable address short-circuit grounding wire had both caused serious equipment damage, also resulted in extremely serious personal injury, so
And the problem is so far still without the solution of technological layer.Chinese patent CN201210398449 proposes a kind of anti-misoperation electricity
Power ground line, the technology is by being arranged interlock, energy between the ground connection collet and ground terminal collet of conventional short-circuit grounding wire
The violation operation situation of " first hang equipment end, mount ground terminal afterwards " is prevented, but is sent a telegram here suddenly for being grounded equipment, equipment nameplate
The case where being missed caused by mistake, electroscope failure etc. to charging operation equipment hanging earthing conductor is identified, which absolutely not acts on,
It develops thus and a kind of the scheme with cable address short-circuit grounding wire is prevented just by technological means seem particularly necessary.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of safe and reliable, operations
Convenient anti-misoperation short-circuit grounding device.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of anti-misoperation short-circuit grounding device, including operating stick 1 or operation connector 38, ground connection collet 4, ground line are drawn
End 25, ground lead 26 and ground terminal collet 5, the ground connection collet 4 are connect by being grounded exit 25 with ground lead 26,
The ground lead 26 is connect with ground terminal collet 5, which is characterized in that the operating stick 1 or operation connector 38 are close to ground connection
4 side of collet is equipped with electrification prior-warning device 6.
The electrification prior-warning device 6 includes misoperation-proof locking device 7, and operator is led to when carrying out ground connection maloperation
The locking of misoperation-proof locking device 7 is crossed, guarantees the personal safety of operator.
The misoperation-proof locking device 7 includes electromagnet 8, impedor 9, electrode 10, spring 11 and insulation shell 12,
The electromagnet 8, impedor 9, spring 11 are located inside the insulation shell 12, and the spring 11 is axial to be installed in described connect
Between ground collet 4 and the bottom of the insulation shell 12, the top and bottom of the insulation shell 12 is respectively equipped with described in confession and connects
Ground collet 4 and operating stick 1 make the hole 13,14 moved axially, and the side of the ground connection collet 4 is equipped with bayonet 15, the bayonet
15 is corresponding with 22 position of armature of the electromagnet 8, and the electrode 10 is located at the top of the insulation shell 12, and with it is described
Impedor 9, electromagnet 8 coil series connection after connect with the ground connection collet 4, when operator is carrying out ground connection maloperation
When, the electric discharge of electrode 10 forms electric arc and sound warning, and the armature 22 of the electromagnet 8 is acted, protruded into bayonet 15, makes this
Device is locked.
The misoperation-proof locking device 7 includes electromagnet 8, induction type AC current detector 24 and insulation shell 12, described
Electromagnet 8, induction type AC current detector 24, ground connection collet 4 are located inside the insulation shell 12, and the insulation shell 12 is corresponding
The one end for being grounded collet open side is equipped with hole 34, and the side of 34 indent of hole, the hole 34 is equipped with bayonet
15, the other side is equipped with electromagnet 8, and the bayonet 15 is corresponding with 22 position of armature of the electromagnet 8, the induction type exchange
The output switch parameter end 35 of electroscope 24 is connect with the coil of electromagnet 8；It is described when operator is when carrying out ground connection maloperation
Induction type AC current detector 24 alerts immediately, and the armature 22 of the electromagnet 8 acts, and protrudes into bayonet 15, locks hole 34
Extremely.
The misoperation-proof locking device 7 includes conductive rubber ring 36 and pyrocondensation set of shells 37, and the ground connection collet 4 is located at
Inside the pyrocondensation set of shells 37, a side opening of the pyrocondensation set of shells 37, rest part closing, the pyrocondensation set of shells 37
Open side it is corresponding with the ground connection open side of collet 4, the conductive rubber ring 36 be set to pyrocondensation set of shells 37 side
In opening, and it is electrically connected with the ground connection collet 4；When operator is when carrying out ground connection maloperation, the conductive rubber ring 36
It discharges and forms electric arc and sound warning, and the rapid receipts so that pyrocondensation set of shells 37 is heated immediately of generating heat of the conductive rubber ring 36
Contracting, is shrunk to aperture for the opening, prevents maloperation from continuing to act.
The misoperation-proof locking device 7 includes electromagnet 8, impedor 9, locating rod 30, auxiliary collet 31 and dynamic touching
First 33, the locating rod 30 is vertically installed in the lower part of ground connection collet 4, and the top of the operating stick 1, which is equipped with, above pushes away screw thread 29, institute
The side for stating auxiliary collet 31 is equipped with hole corresponding with locating rod 30, and the other side, which is equipped with, above pushes away 29 phase of screw thread with operating stick 1
The threaded hole answered, auxiliary 31 top of collet are additionally provided with the moving contact 33 being in contact with ground connection collet 4, and the electromagnet 8 is set
In the side of the auxiliary collet 31, the top of the operating stick 1 is equipped with several bayonets 15, the bayonet 15 and the electromagnetism
22 position of armature of iron 8 is corresponding, the impedor 9 be set to the locating rod 30 inside and with the ground connection collet 4,
It is connect after the coil series connection of electromagnet 8 with the auxiliary collet 31, the ground line exit 25 is set on auxiliary collet 31；
When operator is when carrying out ground connection maloperation, for the ground connection collet 4 close to there is electric equipment, the electromagnet 8 is vertical
That is excitation pops up armature 22 immediately, protrudes into corresponding bayonet 15, operating stick 1 is blocked, and can not continue to operate.
The electrification prior-warning device 6 includes the impedor 9 being arranged in insulation tube, the impedor 9 and ground connection
Collet 4 connects, and series LED, neon lamp and/or buzzer, when operator is when carrying out ground connection maloperation, the earth clip
First 4 close to there is electric equipment, and the LED, neon lamp or buzzer issue sound-light alarm.
The electrification prior-warning device 6 further includes insulation shell 12, and the insulation shell 12 is made of elastic material, described exhausted
One side opening of edge shell 12, rest part closing, the open side of the open side of the insulation shell 12 and the ground connection collet 4
Corresponding, described 9 one end of impedor is connect with the ground connection collet 4, and the other end is suspended on the opening of the insulation shell 12
Place.
The electrification prior-warning device 6 is by induction type AC current detector 24, when operator is when carrying out ground connection maloperation, institute
Induction type AC current detector 24 is stated to alarm.
It further include last pair ground line discriminating gear 16, last width ground line discriminating gear 16 includes one
The 19, impedance measuring circuits 20 of the power circuit of ac signal circuit 18, one of a induction coil 17, one and one are aobvious
Show circuit 21, connects described in the ac signal circuit 18 with impedance measuring circuit 20 and induction coil 17, the electricity
Source circuit 19 is connected with the ac signal circuit 18.
Compared with prior art, the present invention, which has traditional short-circuit grounding wire, electricity prompt or blocking function, works as behaviour
Make personnel to hang the ground line to when having electric equipment, alarm device or blocking device movement on the contact of ground line top are reminded
Operator's equipment live, it is necessary to stop hanging ground-wire immediately, locking type product can also close ground connection collet or isolation grounding lead immediately
Line hang up ground line can not, fundamentally avoid serious accident caused by accidentally hanging earthing conductor.The present invention can also have most
After be grounded discrimination function, judge whether the ground line removed at present is most by way of the injection of the AC signal that specially designs
Latter, the accident of anti-leak-stopping dismounting ground wire combined floodgate power transmission.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of first embodiment of the invention；
Fig. 2 is the circuit block diagram of last pair ground line discriminating gear of first embodiment of the invention；
Fig. 3 is the structural schematic diagram of second embodiment of the invention；
Fig. 4 is the structural schematic diagram of third embodiment of the invention；
Fig. 5 is the structural schematic diagram of four embodiment of the invention；
Fig. 6 is the structural schematic diagram of fifth embodiment of the invention；
Fig. 7 is the structural schematic diagram of sixth embodiment of the invention；
Fig. 8 is the structural schematic diagram of seventh embodiment of the invention.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment one
Referring to attached drawing 1, this is the structural schematic diagram of first embodiment of the invention.Electrification prior-warning device 6 therein is by one
A misoperation-proof locking device 7 is constituted.The misoperation-proof locking device by electromagnet 8, impedor 9, electrode 10, spring 11,
The equal components of insulation shell 12 are constituted, and electromagnet 8, impedor 9, spring 11 are located inside insulation shell, the axial installing of spring 11
In ground connection collet 4 and the bottom of insulation shell 12 between, the top and bottom of insulation shell 12 be respectively equipped with for ground connection collet 4 with
The side of the hole 13,14 of operating stick axial movement, ground connection collet 4 is equipped with a bayonet 15, the armature of the bayonet and electromagnet 8
22 positions are corresponding, and electrode 10 is located at the top of insulation shell 12, and after connecting with the coil of impedor 9, electromagnet 8 with connect
Ground collet 4 is connected.Insulation cover plate 23 is additionally provided on the top hole 13 of insulation shell 12, ground connection collet 4 passes through ground connection exit
25 are connected with ground lead 26.
Compared with conventional short-circuit grounding wire, the present embodiment has had more an electrification prior-warning device 6, and the device is by anti-error behaviour
Make the composition of blocking device 7.When the operation of operator's hanging earthing conductor, ground terminal collet 5 and live earthing bar are first connect into jail, then
The ground connection collet 4 of every phase is successively hung up the electrical equipment for needing to be grounded by hand-held bar 1, operation handle 3, completes hanging earthing conductor
Operation.The misoperation-proof locking device 7 of the present embodiment is equally linked together with the ground connection collet of every phase, is operated described in the present embodiment
Ground line when, need to be directed toward the top of the insulation shell 12 of misoperation-proof locking device 7 at ground line suspension, by insulation shell
12 top side of body withstands on the lower section at ground line suspension, then pushes hard operation handle upwards, overcomes the elastic force of spring 11,
Rear, ground connection collet is ejected in ground connection collet in shell to clip in equipment in hole 13, operation handle is then turned, by tight
Gu screw thread 27 will be grounded collet and be tightened at ground connection suspension, hanging earthing conductor operation could be completed.If equipment live works as insulation shell
Body 12 is close to when having electric equipment, and due to the potential difference between ground line and charging equipment, equipment will be to the electricity on insulation shell top
Pole 10 is discharged, and apparent electric arc and frizzle are formed, and plays the role of apparent prompt alarm, and operator's equipment is reminded to have
Electricity, must off-ground operation immediately.Due to the metering function of impedor 9, make the arc current very little for flowing through it, it will not
Cause arc short-circuit.If operator continues to operate by force, since the arc current passes through impedor 9, the line of electromagnet 8
Circle, ground lead 26 enter ground, and excitation, armature 22 pop up electromagnet 8 immediately, protrude into corresponding bayonet 15, will be grounded collet 4
It blocks, even if firmly up pushing away again at this time, ground connection collet can not also be ejected out of insulation shell 12, because ground connection collet is sealed
It closes, ground line can not be hung up, and play the role of forced blocking.When the blocking function works, the earth clip of the present embodiment
First 4, impedor, electromagnet, ground outlet etc. are completely sealed inside in insulation shell, thus no matter operator how
It moves back and forth, all equipment electric arc of discharge will not be caused to lead to accident.The present embodiment has very perfect anti-incorrect manipulation deadlock function, i.e.,
It operates personnel's cruelty by force, accident will not be caused, can become prevents the last of mistake hanging earthing conductor serious accident together can not
The defence line gone beyond.
In order to further increase the insulation safety performance of the present embodiment, insulation cover plate 23 is provided on top hole 13,
It can prevent from being latched failure caused by early discharge of the charging equipment to internal earth clip head, while be also equipped with the effect of rain-proof；
Promise dry plate insulation cluster parachute 28 can also be axially arranged in the outside of insulation shell 12, improve the safe operation performance of rain and fog weather；Insulation
Shell preferably uses transparent composite to manufacture, to see internal mechanism running-active status clearly；The impedor of the present embodiment is using more
A concatenated resistance is constituted, and in this way once a resistance breakdown, there are also other resistance to play metering function, would not cause to be grounded
Short circuit, the value of the resistance will guarantee that the arc current flowed through under specified voltage class is no more than 5A, to guarantee to draw
Play arc short-circuit.The impedor can also be equally made of capacitor or inductor or resistance is connected with capacitor, inductor
It constitutes, the fever of resistive element can be reduced in this way, extend the service life of entire misoperation-proof locking device.Insulation retaining ring 2 is for mentioning
Show operator's hand position, prevents from getting an electric shock.The present embodiment, which is particularly suitable for various indoor, the outdoor ground lines of 66KV or less, to be made
With.Its mechanical structure is simply ingenious, convenient for production, and for required components without particular/special requirement, use is also very convenient, without extra behaviour
Make, when the ground connection operation for cable, capacitor, the impedor of the present embodiment has the effect of discharging rod, therefore can
Remove discharge operation from, further improves the convenience of operation.
Short-circuit grounding wire on electrical equipment, be substantially in order to guarantee overhaul of the equipments safety and be arranged, once maintenance
When completion needs to restore power transmission, if the short-circuit grounding wire carried additionally before is forgotten to remove, it is equivalent to the equipment to ground short circuit
Combined floodgate power transmission, caused by serious consequence it is also evident that.It often to be hung in several places when electrical equipment interruption maintenance
Short-circuit grounding wire is overpaied, as long as there is a pair to forget that dismounting will lead to catastrophic major accident.Though line combined floodgate power transmission with ground
So seldom result in personal injury caused by an accident, but also equipment and power grid can be caused to seriously endanger, for this problem, the present embodiment it also set
Last pair ground line discriminating gear 16 is set, to overcome ground line to omit the security risk caused by removing.The dress
It sets and 19,20 and of impedance measuring circuit of electric 18, power circuits occurs including 17, AC signals of an induction coil
One display circuit 21, ac signal circuit 18 are connected with impedance measuring circuit 20 and induction coil 17, power circuit
19 are connected with ac signal circuit 18, referring to shown in attached drawing 2.
Induction coil 17 is used for 26 coupled signal electric current of ground lead, and power circuit 19 is to ac signal circuit 18
Power supply, is allowed to generate an AC signal, and then the signal transports to induction coil 17, induction coil by impedance measuring circuit 20
17 are loaded into the AC signal on ground lead 26 in such a way that electromagnetic induction couples, if this ground line is that this electrically sets
Last pair ground line of standby upper extension, then this AC signal cannot constitute circuit, the input of induction coil on ground lead
Impedance is just very big, and impedance measuring circuit shows the impedance value by display circuit 20, the resistance that operator passes through display
It is anti-, so that it may know that this pair ground line is last pair ground line, it can normal power transmission after dismounting.If the electrical equipment is also hung with
Other ground lines that do not remove, then this AC signal constitutes circuit, the input of induction coil by the earth on ground lead
The impedance value is equally shown that operator passes through display by display circuit 20 with regard to very little, impedance measuring circuit by impedance
Impedance, be known that in the equipment there are also the ground line omitted, need to remove it is clear after could power transmission.Line of induction snare is preferably connecing
Ground lead three-phase river outlet, test primary so just can know that whether three-phase ground line has all been removed completely.AC signal occurs
The AC signal frequency of circuit cannot be too high or too low, is preferred with approaching power frequency, prevents excessively high too low, in equipment the transformation of frequency
Device winding or capacitor shunting cause measurement inaccurate.Last pair ground line discrimination function that the present embodiment has, is allowed to have
It prevents live connection of ground wire, prevent the dual of line combined floodgate power transmission with ground from taking precautions against effect, further improve of the invention
Anti-misoperation performance can fundamentally prevent the power generation accident caused by ground line misoperation.Certainly, the present embodiment
Last pair ground line discriminating gear also can by other similar impedance loop test circuit form.
Embodiment two
Referring to attached drawing 3, this is the structural schematic diagram of second embodiment of the invention.The electrification prior-warning device 6 of the present embodiment
It is made of misoperation-proof locking device 7.The misoperation-proof locking device is by electromagnet 8, induction type AC current detector 24, insulation shell
Bodies 12 etc. are constituted, and the electromagnet 8, induction type AC current detector 24, ground connection collet 4 are located inside insulation shell 12, insulation shell
One end of the corresponding ground connection collet open side of body 12 is equipped with hole 34, and the side of 34 indent of hole, the hole 34 is equipped with
Bayonet 15, the other side are equipped with electromagnet 8, and bayonet 15 is corresponding with 22 position of armature of the electromagnet 8, induction type alternating current
The output switch parameter end 35 of device 24 is connected with the coil of electromagnet 8, and ground line exit 25 is set on ground connection collet 4.
The present embodiment does not have operating stick 1, only one operation connector 38, for docking with the dedicated insulating bar of electric power
After operate, the volume of this sample embodiment carries more convenient with regard to very little.7 working principle of misoperation-proof locking device and embodiment 1
There is similarity, when the operation of operator's hanging earthing conductor, ground terminal collet 5 and live earthing bar are first connect into jail, it then will be electric
Power Special insulative operating rod with operation connector 2 dock securely, using electric power Special insulative operating rod by the ground connection collet 4 of every phase according to
It is secondary to hang up the electrical equipment for needing to be grounded, complete hanging earthing conductor operation.The misoperation-proof locking device 7 of the present embodiment is equally and often
The ground connection collet of phase is linked together, and insulation shell 12 can be opened and closed in side, when operating ground line described in the present embodiment, is needed
The hole 34 of the insulation shell 12 of misoperation-proof locking device 7 is directed toward at ground line suspension, hole 34 is pushed open, is grounded
Collet clips in equipment, then turns operation handle, will be grounded collet by fastening thread 27 and is tightened at ground connection suspension, ability
Complete hanging earthing conductor operation.If equipment live, when insulation shell 12 is close electric equipment, induction type AC current detector 24 is vertical
Alert, remind operator's equipment have electricity, must off-ground operation immediately；The induction type AC current detector 24 is opened simultaneously
Output end 35 is measured for output voltage in pass, causes the armature 22 of electromagnet 8 to act, armature 22 protrudes into bayonet 15, makes 34 quilt of hole
It locks and cannot open, be grounded collet at this time and be closed in inside insulation shell 12, ground line can not be hung up, and played pressure and closed
The effect of lock.When the blocking function works, the equal components of the ground connection collet 4 of the present embodiment are all closed in insulation shell,
Therefore no matter how operator moves back and forth, and all equipment electric arc of discharge will not be caused to lead to accident.The present embodiment is likewise supplied with perfect
Anti-incorrect manipulation deadlock function will not lead to accident even if personnel's cruelty operates by force, can become prevent accidentally hanging earthing conductor dislike
Last one impassable defence line of sexual behavior event.
The present embodiment is equally applicable to various indoor, the outdoor ground lines of 66KV or less and uses, and mechanical structure is simply ingenious,
Convenient for production, due to eliminating impedor, volume is smaller, and use is also very convenient, without extra operation.
Embodiment three
Referring to attached drawing 4, this is the structural schematic diagram of third embodiment of the invention.The electrification prior-warning device 6 of the present embodiment
It is equally made of a misoperation-proof locking device 7, is specifically made of conductive rubber ring 36, pyrocondensation set of shells 37 etc., it is described to connect
Ground collet 4 is located inside pyrocondensation set of shells 37, a side opening of pyrocondensation set of shells 37, rest part closing, the open side with connect
The open side of ground collet is corresponding, and the conductive rubber ring 36 is set on a side opening of pyrocondensation set of shells 37, and and earth clip
First 4 electrical connection.Exit 25 is grounded to be set on the ground connection collet 4.
7 working principle of misoperation-proof locking device of the present embodiment is more simple, since thermal shrinkable sleeve is soft with conductive rubber
Property material, therefore pyrocondensation set of shells 37 can along all directions deformation, so be grounded when using with conventional short-circuit it is consistent, when operation only
Ground connection collet 4 is stretched out from the opening of pyrocondensation set of shells 37, is hung on relevant device again.When operator will be grounded
When collet sensing equipment prepares the operation of mounting ground, if equipment live, when pyrocondensation set of shells 37 is close electric equipment, high pressure belt
Electric equipment will discharge to the conductive rubber ring 36 at thermal shrinkable sleeve shell nozzle, form apparent electric arc and frizzle, play
Apparent alarm effect, reminds operator's equipment to have electricity, must off-ground operation immediately；Simultaneously because conductive rubber ring 36
It is electrically connected with ground connection collet 4, the electrical discharge arc electric current of high-tension apparatus flows into the earth by the rubber ring, causes conductive rubber ring fast
Speed fever, since the conductive rubber is located on the opening of pyrocondensation set of shells, so that pyrocondensation set of shells heat shrinkable immediately, by this
Opening is shrunk to the aperture of very little, will ground connection collet 4 be enclosed in thermal shrinkable sleeve enclosure interior, move back and forth in any case at this time, also without
Method is stretched collet 4 is grounded from pyrocondensation set of shells, and ground line can not be hung up, and play the role of forced blocking.Due to heat
Contracting set has excellent insulation performance in itself, therefore no matter how operator moves back and forth, and all equipment electric arc of discharge will not be caused to lead
Cause accident.The present embodiment is likewise supplied with perfect anti-incorrect manipulation deadlock function, even if personnel's cruelty operates by force, will not cause
Accident can become last one impassable defence line for preventing accidentally hanging earthing conductor serious accident.
The present embodiment is equally applicable to be used with various indoor, outdoor ground lines, and compared with embodiment one, two, structure is more
It is simple ingenious, it produces and uses very convenient.The present embodiment may also set up last pair ground line discriminating gear, and principle is the same
's.
Example IV
Referring to attached drawing 5, this is the structural schematic diagram of four embodiment of the invention.The electrification prior-warning device 6 of the embodiment
It is equally made of misoperation-proof locking device 7, which is set to the top of operating stick 1.The misoperation-proof locking device is by electromagnetism
Iron 8, impedor 9, locating rod 30, auxiliary collet 31 and moving contact 33 are constituted, and locating rod 30 is vertically installed in ground connection collet 4
Lower part, the top of operating stick 1, which is equipped with, above pushes away screw thread 29, assists the side of collet 31 equipped with hole corresponding with locating rod 30, separately
Side, which is equipped with, above pushes away the corresponding threaded hole of screw thread 29 with operating stick 1, and auxiliary 31 top of collet is additionally provided with can be with ground connection 4 phase of collet
The moving contact 33 of contact, electromagnet 8 are set to the side of auxiliary collet 31, and the top of operating stick is equipped with dry bayonet 15 of promise, the card
Mouth 15 is corresponding with 22 position of armature of electromagnet 8, and impedor 9 is set to inside locating rod 30, the impedor 9 and earth clip
First 4, it is connected after the coil series connection of electromagnet 8 with auxiliary collet 31, ground line exit 25 is set on auxiliary collet 31.
The operating method of the present embodiment is similar with conventional short-circuit ground line, when the operation of operator's hanging earthing conductor, first will
Ground terminal collet 5 and live earthing bar connect jail, and then hand-held bar 1, operation handle 3 successively hang the ground connection collet 4 of every phase
The upper electrical equipment for needing to be grounded, then ground connection collet folder 4, is clamped in by the fastening thread 27 of top and is set by rotation process bar
It is standby upper；Bigger than the screw pitch of fastening thread 27 due to above pushing away screw thread 29, auxiliary collet 31 upper and lower can push away spiral shell in the positioning of locating rod 30
Rise under the rotation of line 29, until moving contact 33 touches ground connection collet 4,26 ability of ground lead is connected with equipment is grounded, complete
It is operated at hanging earthing conductor.When operating ground line described in the present embodiment, needed for ground connection collet 4 is hung up when the equipment of ground connection,
If equipment live, when ground connection collet 4 is close electric equipment, due to the potential difference between ground line and charging equipment, equipment is just
Meeting discharges to the electrode 10 on insulation shell top, forms apparent electric arc and frizzle, plays the role of apparent alarm, reminds
Operator's equipment have electricity, must off-ground operation immediately.Due to the metering function of impedor 9, make the electric arc for flowing through it
Electric current very little will not cause arc short-circuit.If operator continues to operate by force, since the arc current passes through impedance element
Enter ground, electromagnet 8 excitation, armature 22 immediately through ground lead 26 after part 9, conducting wire 32, the coil of electromagnet 8, auxiliary collet 31
Pop up immediately, protrude into corresponding bayonet 15, operating stick 1 is blocked, though at this time again firmly rotate, auxiliary collet 31 also without
Method rise with ground connection collet 4 contacts, at this time anyway, be grounded equipment all can not with the earth connection, the present embodiment by every
From ground lead, play the role of forced blocking hanging earthing conductor.To guarantee no matter auxiliary collet 31 where could originally
Effectively locking, bayonet 15 is preferably arranged along operating stick more than 1 several.Since auxiliary collet 31 can push away screw thread 29 upper when removing ground line
Under the action of decline it is very much so that every time the operation of mounting ground when, assist having between collet 31 and ground connection collet 4 enough safety away from
From, therefore no matter how operator moves back and forth, and all equipment electric arc of discharge will not be caused to lead to accident.The present embodiment also has perfect
Anti-incorrect manipulation deadlock function will not lead to accident even if personnel's cruelty operates by force, can become prevent accidentally hanging earthing conductor dislike
Last one impassable defence line of sexual behavior event.Certainly, the misoperation-proof locking device of the present embodiment also can be by other similar
Machinery --- the device of electrical bond is constituted, such as locating rod can double as impedance element by the biggish conductive rubber bar of resistivity
Part, above push away screw thread 29 can by snap lock mechanism replace etc., play the role of same anti-incorrect manipulation deadlock.
The present embodiment is particularly suitable for various indoor, outdoor ground lines and uses.Its mechanical structure is simply ingenious, producer
Just, for required components without particular/special requirement, use is also very convenient, without extra operation, as the ground connection behaviour for cable, capacitor
When making, the impedor of the present embodiment also has the effect of discharging rod, therefore can remove discharge operation from, improves operation just
Benefit.Those skilled in the art can be designed that more similar have by the understanding to above embodiments of the present invention completely
The product of the present invention of misoperation-proof locking device, it is clear that these are all belonged to the scope of protection of the present invention.
Embodiment five
Referring to attached drawing 6, this is the structural schematic diagram of fifth embodiment of the invention.The embodiment has structure simply, again
Light advantage is measured, its electrification prior-warning device 6 is made of a simple impedor 9, the earth clip of impedor 9 and every phase
First 4 are connected, and ground connection collet 4 is connected by being grounded exit 25 with ground lead 26.The impedor equally can also by resistance,
Capacitor or resistance capacitance are in series, to reduce loss, improve security performance.The embodiment is in use, when earth clip head rest
When nearly equipment, if equipment live, apparent electric arc and squeak will be formed between electrode, to play prompt alarm work
With prompting operator's equipment has electricity, forbids being grounded.The impedance original part may be provided in an insulation tube, improve impedance original part
Service life, prevent from making moist；Promise dry plate insulation cluster parachute 28 can also be arranged in the outside of impedance original part or insulation tube, for increasing misty rain
The insulation effect of weather further increases the safety used.Flexible material composition can also be used in impedance original part or insulation tube, mentions
The drop resistant of high product hits performance.In addition, the LED that can also connect on impedor, neon lamp or buzzer (LED, neon lamp or buzzing
Device can access partial pressure vent diverter again as needed), once the nearly charging equipment of earth clip head rest in this way, LED, neon lamp or buzzer
Also sound-light alarm can be issued, makes have electricity to prompt more eye-catching protrusion.
The present embodiment is technically simple, high reliablity, while also having the effect of discharging rod, compared with embodiment one, although
Forced blocking function is lost, but since its structure is further simplified, volume weight is smaller, is more suitable for 110KV or more voltage
The short-circuit grounding wire product of grade uses.The present embodiment may also set up last pair ground line discriminating gear, and principle is the same.
Embodiment six
Referring to attached drawing 7, this is the structural schematic diagram of sixth embodiment of the invention.The electrification prior-warning device 6 of the embodiment
It is equally made of impedor 9, impedor 9 is connected with the ground connection collet 4 of every phase, and ground connection collet 4 passes through ground connection exit 25
It is connected with ground lead 26.When equipment that earth clip head rest is close, if equipment live, apparent electricity will be formed between electrode
Arc and squeak remind operator's equipment to have electricity to forbid being grounded to play the role of prompt alarm.The present embodiment is not also grasped
Make bar 1, is used after being docked by operation connector 38 with the dedicated insulating bar of electric power.
The present embodiment further includes an insulation shell 12, which is made of elastic material, one side opening, opening
Side is corresponding with the ground connection open side of collet, rest part closing, and one end of impedor 9 is connected with ground connection collet 4, the other end
It is suspended on the opening of insulation shell 12, when hanging earthing conductor operates, needs to stretch ground connection collet 4 from the opening of insulation shell 12
It can just be clipped in equipment after out, when completing ground connection operation, therefore using the present embodiment, operator is had to insulation shell 12
Opening be first aligned and be grounded equipment, ensure that no matter how operator operates in this way, once equipment has electricity
It will first discharge impedor 9, play the role of forcing electrical verification, in embodiment five, if operator's crudity operates, first
4 aligning equipment of collet will be grounded, it is possible to which the case where causing the electrical verification of impedor to act on failure, the present embodiment is exhausted by setting
Edge shell 12, plays the role of forced guiding, and forcing is equal to impedor first close to equipment, strong
Urgent operator electrical verification again, further improves fool proof effect.The impedor of the present embodiment equally can also connect
One LED, neon lamp or buzzer etc., once the nearly charging equipment of earth clip head rest, LED, neon lamp or buzzer can also issue in this way
Sound-light alarm makes have electricity to prompt more eye-catching protrusion.
The present embodiment is technically simple, high reliablity, while also having the effect of discharging rod, although also not having forced blocking function
Can, but the function of forcing electrical verification is increased, also have good anti-misoperation function, certain the present embodiment may also set up last
Pair ground line discriminating gear, principle is the same.
Embodiment seven
Referring to attached drawing 8, this is the structural schematic diagram of seventh embodiment of the invention.The electrification prior-warning device 6 of the embodiment
It is made of traditional induction type AC current detector 24.Ground connection collet 4 is connected by being grounded exit 25 with ground lead 26.Induction type
AC current detector is a kind of device for judging whether equipment is charged by detection ac electric field strength, is grounded in use, one
Denier operator stretches to by collet 4 is grounded and has electric equipment, has left electric equipment there are also when certain distance in ground connection collet, earth clip
Inductive ac electroscope on head is alarmed because experiencing high-intensitive AC field, reminds operator that must stop to mount immediately
Ground wire.The present embodiment is low in cost, but due to doing warning element without using impedance original part, alarm is not intuitive enough, does not also have
The function of standby maloperation forced blocking and discharging rod, however its volume is especially small and exquisite, be therefore particularly suitable for preassembled transformer station,
The occasion of the narrow spaces such as switchgear, box-type substation, small distribution room uses.
It will be noted that the above embodiments are for illustrating the present invention and not to limit the present invention, such as the present invention
The short-circuit grounding wire either three-phase convergent current type to be also possible to three-phase split type；Collet is grounded either spiral
Formula is also possible to spring；Other similar mechanically or electrically blocking device can be used in misoperation-proof locking device completely；
Last width ground line discriminating gear both can be made one with ground line or detachable type is made；Etc..The present invention
Many technical characteristics in different embodiments are interchangeable or omit, and the parameter setting of many elements can change as needed, this hair
"a" or "an" before bright element is not excluded for multiple this elements occur, these variations should belong to protection model of the invention
It encloses.
Claims (1)
1. a kind of anti-misoperation short-circuit grounding device easy to carry, including operating stick (1), ground connection collet (4), ground line extraction
(25), ground lead (26) and ground terminal collet (5) are held, the ground connection collet (4) passes through ground line exit (25) and ground connection
Lead (26) connection, the ground lead (26) are connect with ground terminal collet (5), which is characterized in that the operating stick (1) is leaned on
Proximity collet (4) side be equipped with electrification prior-warning device (6)；
The electrification prior-warning device (6) includes misoperation-proof locking device (7), and operator is led to when carrying out ground connection maloperation
Misoperation-proof locking device (7) locking is crossed, guarantees the personal safety of operator；
The misoperation-proof locking device (7) includes electromagnet (8), induction type AC current detector (24) and insulation shell (12),
The electromagnet (8), induction type AC current detector (24), ground connection collet (4) are located at the insulation shell (12) inside, described exhausted
One end of the corresponding ground connection collet open side of edge shell (12) is equipped with hole (34), hole (34) indent, the folding
The side of mouth (34) is equipped with bayonet (15), and the other side is equipped with electromagnet (8), the rank of the bayonet (15) and the electromagnet (8)
Iron (22) position is corresponding, the output switch parameter end (35) of the induction type AC current detector (24) and the coil of electromagnet (8)
Connection；When operator is when carrying out ground connection maloperation, the induction type AC current detector (24) alerts immediately, the electromagnet
(8) armature (22) movement, is protruded into bayonet (15), keeps hole (34) locked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710271539.4A CN106941227B (en) | 2014-09-19 | 2014-09-19 | A portable and misoperation-proof short-circuit grounding device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710271539.4A CN106941227B (en) | 2014-09-19 | 2014-09-19 | A portable and misoperation-proof short-circuit grounding device |
| CN201410483052.9A CN104241968B (en) | 2014-09-19 | 2014-09-19 | An anti-misoperation short-circuit grounding device |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410483052.9A Division CN104241968B (en) | 2014-09-19 | 2014-09-19 | An anti-misoperation short-circuit grounding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106941227A CN106941227A (en) | 2017-07-11 |
| CN106941227B true CN106941227B (en) | 2019-02-19 |
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Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710271551.5A Active CN107134695B (en) | 2014-09-19 | 2014-09-19 | A kind of anti-misoperation short-circuit grounding device with soft material |
| CN201410483052.9A Active CN104241968B (en) | 2014-09-19 | 2014-09-19 | An anti-misoperation short-circuit grounding device |
| CN201710270831.4A Active CN107104328B (en) | 2014-09-19 | 2014-09-19 | An anti-misoperation short-circuit grounding device with auxiliary chuck |
| CN201710271539.4A Active CN106941227B (en) | 2014-09-19 | 2014-09-19 | A portable and misoperation-proof short-circuit grounding device |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710271551.5A Active CN107134695B (en) | 2014-09-19 | 2014-09-19 | A kind of anti-misoperation short-circuit grounding device with soft material |
| CN201410483052.9A Active CN104241968B (en) | 2014-09-19 | 2014-09-19 | An anti-misoperation short-circuit grounding device |
| CN201710270831.4A Active CN107104328B (en) | 2014-09-19 | 2014-09-19 | An anti-misoperation short-circuit grounding device with auxiliary chuck |
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| Country | Link |
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| CN (4) | CN107134695B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104201486B (en) * | 2014-09-19 | 2016-07-20 | 国家电网公司 | A kind of Portable short-circuit grounding device |
| CN104201485B (en) * | 2014-09-19 | 2016-11-09 | 国家电网公司 | A kind of short circuit grounding line apparatus with blocking function |
| CN104901034B (en) * | 2015-05-07 | 2018-07-24 | 国家电网公司 | A kind of earthing or grounding means avoiding order of connection maloperation |
| CN107069259B (en) * | 2016-12-12 | 2019-05-24 | 国网北京市电力公司 | Portable Ground Wire |
| CN107238776B (en) * | 2017-05-27 | 2020-10-02 | 国网河南省电力公司平顶山供电公司 | Detection alarm device for preventing transformer substation from transmitting power with safety measures |
| CN109244700A (en) * | 2018-11-12 | 2019-01-18 | 国网安徽省电力有限公司合肥供电公司 | A kind of anti-error hanging earthing conductor device and control method |
| CN109687180B (en) * | 2019-02-21 | 2020-05-29 | 国网天津市电力公司滨海供电分公司 | Anti-mis-disassembly high-voltage grounding device |
| CN109979778B (en) * | 2019-03-07 | 2020-07-28 | 浙江江山森源电器有限公司 | Anti-misoperation type grounding switch |
| CN110635264B (en) * | 2019-10-22 | 2024-12-03 | 国网江苏省电力有限公司徐州供电分公司 | Ground wire to prevent accidental operation |
| CN110988518B (en) * | 2019-11-12 | 2021-09-24 | 国网河北省电力有限公司 | A portable automatic discharge rod |
| CN113991331B (en) * | 2021-11-22 | 2023-10-24 | 贵州电网有限责任公司 | Safe and reliable high-voltage grounding connecting wire clamp |
| CN114300905B (en) * | 2021-12-29 | 2024-12-03 | 国能朔黄铁路发展有限责任公司 | Grounding equipment and grounding control method |
| CN115036769A (en) * | 2022-07-04 | 2022-09-09 | 重庆科达明博电力设备有限公司 | Intelligent portable short circuit grounding tool |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106941227A (en) | 2017-07-11 |
| CN107104328B (en) | 2019-06-18 |
| CN107104328A (en) | 2017-08-29 |
| CN107134695A (en) | 2017-09-05 |
| CN104241968A (en) | 2014-12-24 |
| CN107134695B (en) | 2019-05-21 |
| CN104241968B (en) | 2017-07-28 |
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