CN107104328A - A kind of band aids in the anti-misoperation short-circuit grounding device of chuck - Google Patents
A kind of band aids in the anti-misoperation short-circuit grounding device of chuck Download PDFInfo
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- CN107104328A CN107104328A CN201710270831.4A CN201710270831A CN107104328A CN 107104328 A CN107104328 A CN 107104328A CN 201710270831 A CN201710270831 A CN 201710270831A CN 107104328 A CN107104328 A CN 107104328A
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- chuck
- ground
- ground connection
- electromagnet
- 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 the anti-misoperation short-circuit grounding device that a kind of band aids in chuck, including action bars (1) or operation joint (38), it is grounded chuck (4), ground wire exit (25), ground lead (26) and earth terminal chuck (5), the ground connection chuck (4) is connected by ground wire exit (25) with ground lead (26), described ground lead (26) is connected with earth terminal chuck (5), the action bars (1) or operation joint (38) are provided with powered prior-warning device (6) close to ground connection chuck (4) side.Compared with prior art, the present invention has the advantages that 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. " 201410483052.9 ", the applying date is 2014/9/19.
Technical field
The present invention relates to field of power, more particularly, to a kind of anti-misoperation short-circuit grounding device.
Background technology
Short-circuit grounding wire is a kind of indispensable safety appliance of electric power apparatus examination operation, but carrys additionally short circuit and connect wires
Operation once slip up, for example by mistake carry additionally short-circuit grounding wire to the power equipment of charging operation, serious height will be caused
The short circuit of equipment metallic earthing is pressed, great short circuit current flow and high-temperature electric arc is produced, causes field apparatus moment to be burnt, operator
Member's electric arc burn even major accident of death.
With the in-depth and the progress of technology of anti-misoperation management system, power industry misoperation fault declines year by year, so
And many pernicious misoperation faults also fail to fundamentally prevent, for example the pernicious misoperation fault with cable address short-circuit grounding wire is every
Year still happens occasionally.Serious device damage had both been caused with cable address short-circuit grounding wire, extremely serious personal injury has been also resulted in, so
And the solution of the problem so far still without technological layer.Chinese patent CN201210398449 proposes a kind of anti-misoperation electricity
Power ground wire, the technology between the ground connection chuck and earth terminal chuck of conventional short-circuit grounding wire by setting interlock, energy
Prevent the violation operation situation of " first hang equipment end, ground terminal is mounted afterwards ", but sent a telegram here suddenly for being grounded equipment, equipment nameplate
The mistake that mark mistake, electroscope failure etc. are caused is to the situation of charging operation equipment hanging earthing conductor, and the technology do not act on completely,
Developed for this and a kind of the scheme with cable address short-circuit grounding wire is prevented by technological means just seem particularly necessary.
The content of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide one kind is safe and reliable, operation
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 action bars 1 or operation joint 38, ground connection chuck 4, ground wire are drawn
End 25, ground lead 26 and earth terminal chuck 5, the ground connection chuck 4 are connected by ground wire exit 25 with ground lead 26,
Described ground lead 26 is connected with earth terminal chuck 5, it is characterised in that the action bars 1 or operation joint 38 are close to ground connection
The side of chuck 4 is provided with powered prior-warning device 6.
The powered prior-warning device 6 includes misoperation-proof locking device 7, and operating personnel are led to when carrying out ground connection maloperation
Cross misoperation-proof locking device 7 to lock, it is ensured that the personal safety of operating personnel.
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 axially installed in described connect
Between the bottom of ground chuck 4 and the insulation shell 12, the top and bottom of the insulation shell 12 is respectively equipped with to be connect for described in
The hole 13,14 that ground chuck 4 is moved axially with the work of action bars 1, the side of the ground connection chuck 4 is provided with bayonet socket 15, the bayonet socket
15 is corresponding with the position of armature 22 of the electromagnet 8, the electrode 10 be located at the insulation shell 12 top, and with it is described
It is connected after impedor 9, the coil series connection of electromagnet 8 with the ground connection chuck 4, when operating personnel are 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, stretched into bayonet socket 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 chuck 4 are located inside the insulation shell 12, the correspondence of insulation shell 12
The one end for being grounded chuck open side is provided with hole 34, and the indent of hole 34, the side of the hole 34 is provided with bayonet socket
15, opposite side is provided with electromagnet 8, and the bayonet socket 15 is corresponding with the position of armature 22 of the electromagnet 8, the induction type exchange
The output switch parameter end 35 of electroscope 24 is connected with the coil of electromagnet 8；It is described when operating personnel are carrying out ground connection maloperation
Induction type AC current detector 24 is alerted immediately, and the armature 22 of the electromagnet 8 is acted, and is stretched into bayonet socket 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 chuck 4 is located at
Inside the pyrocondensation set of shells 37, a side opening of the pyrocondensation set of shells 37, remainder closing, the pyrocondensation set of shells 37
Open side with it is described ground connection chuck 4 open side it is corresponding, the conductive rubber ring 36 be located at pyrocondensation set of shells 37 side
In opening, and electrically connected with the ground connection chuck 4；When operating personnel are carrying out ground connection maloperation, the conductive rubber ring 36
Electric discharge forms electric arc and sound warning, and heating causes pyrocondensation set of shells 37 is heated immediately to receive to the conductive rubber ring 36 rapidly
Contracting, will be shrunk to aperture at the opening, prevent maloperation continuation from acting.
The misoperation-proof locking device 7 includes electromagnet 8, impedor 9, locating rod 30, auxiliary chuck 31 and moves tactile
First 33, the locating rod 30 is vertically installed in the bottom of ground connection chuck 4, and the top of the action bars 1, which is provided with, above pushes away screw thread 29, institute
State auxiliary chuck 31 side be provided with locating rod 30 corresponding hole, opposite side is provided with above pushes away the phase of screw thread 29 with action bars 1
The screwed hole answered, the top of auxiliary chuck 31 is additionally provided with the moving contact 33 being in contact with ground connection chuck 4, and the electromagnet 8 is set
In the side of the auxiliary chuck 31, the top of the action bars 1 is provided with several bayonet sockets 15, the bayonet socket 15 and the electromagnetism
The position of armature 22 of iron 8 is corresponding, the impedor 9 located at the locating rod 30 inside and with it is described ground connection chuck 4,
It is connected after the coil series connection of electromagnet 8 with the auxiliary chuck 31, the ground wire exit 25 is on auxiliary chuck 31；
When operating personnel are carrying out ground connection maloperation, the ground connection chuck 4 is close to there is electric equipment, and the electromagnet 8 is stood
I.e. excitation, makes armature 22 eject immediately, stretches into corresponding bayonet socket 15, action bars 1 is blocked, it is impossible to continue to operate.
The powered prior-warning device 6 includes the impedor 9 being arranged in insulation tube, described impedor 9 and ground connection
Chuck 4 is connected, and series LED, neon lamp and/or buzzer, when operating personnel are carrying out ground connection maloperation, the earth clip
First 4 close to there is electric equipment, and the LED, neon lamp or buzzer send sound and light alarm.
The powered prior-warning device 6 also includes insulation shell 12, and the insulation shell 12 is made up of elastomeric material, described exhausted
One side opening of edge housing 12, remainder closing, the open side of the insulation shell 12 and the open side of the ground connection chuck 4
Corresponding, described one end of impedor 9 is connected with the ground connection chuck 4, and the other end is suspended on the opening of the insulation shell 12
Place.
The powered prior-warning device 6 is by induction type AC current detector 24, when operating personnel are carrying out ground connection maloperation, institute
Induction type AC current detector 24 is stated to be alarmed.
Also include last secondary ground wire discriminating gear 16, last described width ground wire discriminating gear 16 includes one
Individual induction coil 17, an ac signal circuit 18, a power circuit 19, an impedance measuring circuit 20 and one are aobvious
Show circuit 21, connected 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 possesses traditional short-circuit grounding wire, has electricity to point out or blocking function, works as behaviour
Make personnel to hang the ground wire to when having electric equipment, alarm device or blocking device action above ground wire on contact are reminded
Operating personnel's equipment live, it is necessary to stop hanging ground-wire immediately, locking type product can also close ground connection chuck or isolation grounding lead immediately
Line, makes ground wire not hang up, and fundamentally avoids the serious accident that hanging earthing conductor is caused by mistake.The present invention can also have most
Ground wire discrimination function, judges whether the ground wire removed at present is most by way of the AC signal injection specially designed afterwards
Latter, the accident of anti-leak-stopping dismounting ground wire combined floodgate power transmission.
Brief description of the drawings
Fig. 1 is the structural representation of first embodiment of the invention；
Fig. 2 is the circuit block diagram of last secondary ground wire discriminating gear of first embodiment of the invention；
Fig. 3 is the structural representation of second embodiment of the invention；
Fig. 4 is the structural representation of third embodiment of the invention；
Fig. 5 is the structural representation of four embodiment of the invention；
Fig. 6 is the structural representation of fifth embodiment of the invention；
Fig. 7 is the structural representation of sixth embodiment of the invention；
Fig. 8 is the structural representation of seventh embodiment of the invention.
Embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment one
Referring to accompanying drawing 1, this is the structural representation of first embodiment of the invention.Powered prior-warning device 6 therein is by one
Individual misoperation-proof locking device 7 is constituted.The misoperation-proof locking device by electromagnet 8, impedor 9, electrode 10, spring 11,
The grade of insulation shell 12 part is constituted, and electromagnet 8, impedor 9, spring 11 are located inside insulation shell, the axially installing of spring 11
Between ground connection chuck 4 and the bottom of insulation shell 12, the top and bottom of insulation shell 12 be respectively equipped with for ground connection chuck 4 with
The hole 13,14 of action bars axial movement, the side of ground connection chuck 4 is provided with a bayonet socket 15, the armature of the bayonet socket and electromagnet 8
22 positions are corresponding, and electrode 10 is located at the top of insulation shell 12, and with connecing after being connected with the coil of impedor 9, electromagnet 8
Ground chuck 4 is connected.Insulation cover plate 23 is additionally provided with the top hole 13 of insulation shell 12, ground connection chuck 4 is by being grounded exit
25 are connected with ground lead 26.
Compared with conventional short-circuit grounding wire, the present embodiment has had more a powered prior-warning device 6, and the device is by anti-error behaviour
Make blocking device 7 to constitute.When operating personnel's hanging earthing conductor is operated, earth terminal chuck 5 is first connect into jail with live earthing bar, then
Hand-held bar 1, operation handle 3 hang up the ground connection chuck 4 of every phase the electrical equipment for needing to be grounded successively, complete hanging earthing conductor
Operation.The misoperation-proof locking device 7 of the present embodiment is equally connected as a single entity with the ground connection chuck of every phase, described in operation the present embodiment
Ground wire when, it is necessary to the top of the insulation shell 12 of misoperation-proof locking device 7 be pointed at ground wire suspension, by insulation shell
The lower section that the top side of body 12 is withstood at ground wire suspension, then pushes hard operation handle upwards, overcomes the elastic force of spring 11,
The ground connection chuck in shell is come into rear, ground connection chuck from the inner ejection of hole 13 to clip in equipment, operation handle is then turned, by tight
Gu screw thread 27 will be grounded chuck and be tightened at ground connection suspension, hanging earthing conductor operation could be completed.If equipment live, work as insulation shell
Body 12 is close to when having electric equipment, due to the electrical potential difference between ground wire and charging equipment, and equipment will be to the electricity on insulation shell top
Pole 10 is discharged, and forms obvious electric arc and frizzle, is played obvious prompt alarm effect, is reminded operating personnel's equipment 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, will not
Cause arc short-circuit.If operating personnel continue to operate by force, because the arc current passes through impedor 9, the line of electromagnet 8
Circle, ground lead 26 enter ground, and the excitation immediately of electromagnet 8, armature 22 is ejected, and stretches into corresponding bayonet socket 15, will be grounded chuck 4
Block, even if now firmly up pushing away again, ground connection chuck can not also come in ejection out of insulation shell 12, because ground connection chuck is sealed
Close, ground wire can not be hung up, serve the effect 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 operating personnel how
Move back and forth, all without causing equipment electric arc of discharge to cause accident.The present embodiment possesses very perfect anti-incorrect manipulation deadlock function, i.e.,
Personnel's cruelty is operated by force, will not also cause accident, can turn into prevents that the last of hanging earthing conductor serious accident together can not by mistake
The defence line gone beyond.
In order to further improve the insulation safety performance of the present embodiment, insulation cover plate 23 is provided with top hole 13,
Charging equipment can be prevented to locking failure caused by the early discharge of internal earth clip head, while being also equipped with the effect of rain-proof；
The outside of insulation shell 12 also can axially arranged promise dry plate insulation cluster parachute 28, the safe operation performance of raising misty rain weather；Insulation
Housing preferably uses transparent composite to manufacture, to see internal mechanism running-active status clearly；The impedor of the present embodiment is using more
The resistance of individual series connection is constituted, so once a resistance punctures, and is also had other resistance to play metering function, would not be caused ground connection
Short circuit, the value of the resistance will ensure that under specified voltage class the arc current flowed through is no more than 5A, to ensure to draw
Play arc short-circuit.The impedor can also be equally made up of capacitor or inductor, or resistance is connected with capacitor, inductor
Constitute, can so reduce the heating of resistive element, extend the life-span of whole misoperation-proof locking device.Insulation retaining ring 2 is used to carry
Show operating personnel's hand position, prevent from getting an electric shock.The present embodiment various indoor, outdoor ground wires of below 66KV that are particularly suitable for use in make
With.Its mechanical structure is simply ingenious, convenient for production, and required parts are without particular/special requirement, and use is also very convenient, without unnecessary behaviour
Make, when the ground connection operation for cable, capacitor, the impedor of the present embodiment possesses the effect of discharging rod, therefore can
Remove discharge operation from, further improve the convenience of operation.
Short-circuit grounding wire on electrical equipment, is substantially to ensure overhaul of the equipments safety and set, once maintenance
When completion needs to recover power transmission, if the short-circuit grounding wire carried additionally before is forgotten to remove, the equipment to ground short circuit is equivalent to
Combined floodgate power transmission, its serious consequence caused it is also evident that.Often to be hung during electrical equipment interruption maintenance in several places
Short-circuit grounding wire is overpaied, as long as there is a pair to forget that dismounting may result in 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 network can be caused seriously endanger, for this problem, the present embodiment it also set
Last secondary ground wire discriminating gear 16 is put, to overcome ground wire to omit the potential safety hazard caused by removing.The dress
Put and occur electricity 18, power circuit 19, the and of impedance measuring circuit 20 including an induction coil 17, an AC signal
One display circuit 21, ac signal circuit 18 is connected with impedance measuring circuit 20 and induction coil 17, power circuit
19 are connected with ac signal circuit 18, referring to shown in accompanying drawing 2.
Induction coil 17 is used for the coupled signal electric current of ground lead 26, and power circuit 19 is to ac signal circuit 18
Power supply, is allowed to produce an AC signal, 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 by way of electromagnetic induction is coupled, and are electrically set if this ground wire is this
Last secondary ground wire of standby upper extension, then this AC signal loop, the input of induction coil can not be constituted on ground lead
Impedance is just very big, and impedance measuring circuit shows the impedance value by display circuit 20, the resistance that operating personnel pass through display
It is anti-, so that it may which that it is last secondary ground wire to know this secondary ground wire, can normal power transmission after dismounting.If the electrical equipment is also hung with
Other ground wires do not removed, then this AC signal passes through on ground lead greatly constitutes loop, the input of induction coil
Impedance is with regard to very little, and impedance measuring circuit is equally shown the impedance value by display circuit 20, and operating personnel pass through display
Impedance, be known that also have the ground wire omitted in the equipment, it is necessary to remove it is clear after could power transmission.Line of induction snare is preferably connecing
Ground lead three-phase river outlet, so once tests just can know that whether three-phase ground line has all been removed totally.AC signal occurs
The AC signal frequency of circuit can not be too high or too low, is preferred with approaching power frequency, prevents the transformation in the too high too low, equipment of frequency
Device winding or capacitor shunting cause measurement inaccurate.Last secondary ground wire discrimination function that the present embodiment possesses, is allowed to possess
Prevent live connection of ground wire, prevent the dual of line combined floodgate power transmission with ground from taking precautions against effect, further improve the present invention's
Anti-misoperation performance, can fundamentally prevent because of the power generation accident that ground wire misoperation is triggered.Certainly, the present embodiment
Last secondary ground wire discriminating gear can be also made up of other similar impedance loop test circuits.
Embodiment two
Referring to accompanying drawing 3, this is the structural representation of second embodiment of the invention.The powered prior-warning device 6 of the present embodiment
It is made up of misoperation-proof locking device 7.The misoperation-proof locking device is by electromagnet 8, induction type AC current detector 24, insulation shell
The grade of body 12 is constituted, and the electromagnet 8, induction type AC current detector 24, ground connection chuck 4 are located inside insulation shell 12, insulation shell
One end of the correspondence ground connection chuck open side of body 12 is provided with hole 34, and the indent of hole 34, the side of the hole 34 is provided with
Bayonet socket 15, opposite side is provided with electromagnet 8, and bayonet socket 15 is corresponding with the position of armature 22 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 wire exit 25 is on ground connection chuck 4.
The present embodiment does not have action bars 1, and only one of which operation joint 38 is docked for the insulating bar special with electric power
After operate, the volume of this sample embodiment is carried more convenient with regard to very little.The operation principle of misoperation-proof locking device 7 and embodiment 1
There is similarity, when operating personnel's hanging earthing conductor is operated, earth terminal chuck 5 is first connect into jail with live earthing bar, then by electricity
Power Special insulative operating rod with operation joint 2 dock firmly, using electric power Special insulative operating rod by the ground connection chuck 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 equally with often
The ground connection chuck of phase is connected as a single entity, its insulation shell 12 can in side folding, operate the present embodiment described in ground wire when, it is necessary to
The hole 34 of the insulation shell 12 of misoperation-proof locking device 7 is pointed at ground wire suspension, hole 34 is pushed open, is grounded
Chuck is clipped in equipment, then turns operation handle, and will be grounded chuck by fastening thread 27 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 stood
Alert, remind operating personnel's equipment have electricity, must off-ground operation immediately；The induction type AC current detector 24 is opened simultaneously
Output end 35 is measured by output voltage in pass, causes the armature 22 of electromagnet 8 to act, armature 22 stretches into bayonet socket 15, makes the quilt of hole 34
Pin and can not open, be now grounded chuck and be closed in inside insulation shell 12, ground wire can not be hung up, and served pressure and closed
The effect of lock.When the blocking function works, the grade part of ground connection chuck 4 of the present embodiment is all closed in insulation shell,
Therefore no matter how operating personnel move back and forth, all without causing equipment electric arc of discharge to cause accident.The present embodiment is likewise supplied with perfect
Anti-incorrect manipulation deadlock function, even if personnel cruelty operate by force, will not also cause accident, can turn into prevent by mistake hanging earthing conductor evil
Last one impassable defence line of sexual behavior event.
The present embodiment is equally applicable to various indoor, the outdoor ground wires of below 66KV and used, and its mechanical structure is simply ingenious,
Convenient for production, due to eliminating impedor, volume is smaller, and use is also very convenient, without unnecessary operation.
Embodiment three
Referring to accompanying drawing 4, this is the structural representation of third embodiment of the invention.The powered prior-warning device 6 of the present embodiment
Equally it is made up of, is specifically made up of conductive rubber ring 36, pyrocondensation set of shells 37 etc. a misoperation-proof locking device 7, it is described to connect
Ground chuck 4 is located inside pyrocondensation set of shells 37, a side opening of pyrocondensation set of shells 37, remainder closing, and the open side is with connecing
The open side of ground chuck is corresponding, and the conductive rubber ring 36 is on a side opening of pyrocondensation set of shells 37, and and earth clip
First 4 electrical connection.Ground wire exit 25 is on the ground connection chuck 4.
The operation principle of misoperation-proof locking device 7 of the present embodiment is more simple, because thermal shrinkable sleeve and conductive rubber are soft
Property material, therefore pyrocondensation set of shells 37 can be along all directions deformation, so consistent with conventional short-circuit ground wire when using, during operation only
Ground connection chuck 4 is stretched out at the opening of pyrocondensation set of shells 37, hung over again on relevant device.When operating personnel will be grounded
When chuck 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 obvious electric arc and frizzle, play
Obvious alarm effect, reminds operating personnel's equipment to have electricity, must off-ground operation immediately；Simultaneously because conductive rubber ring 36
Electrically connected with ground connection chuck 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 heating, at the opening that pyrocondensation set of shells is located on due to the conductive rubber so that pyrocondensation set of shells heat shrinkable immediately, by this
The aperture of very little is shrunk at opening, will ground connection chuck 4 be enclosed in thermal shrinkable sleeve enclosure interior, now move back and forth in any case, also without
Method is stretched chuck 4 is grounded from pyrocondensation set of shells, and ground wire can not be hung up, and serve the effect of forced blocking.Due to heat
Contracting set possesses excellent insulating properties in itself, therefore no matter how operating personnel move back and forth, and are led all without equipment electric arc of discharge is caused
Cause accident.The present embodiment is likewise supplied with perfect anti-incorrect manipulation deadlock function, even if personnel's cruelty is operated by force, will not also cause
Accident, can turn into prevents last one impassable defence line of hanging earthing conductor serious accident by mistake.
The present embodiment is equally applicable to be used with various indoor, outdoor ground wires, and compared with embodiment one, two, structure is more
Simple ingenious, production and application is very convenient.The present embodiment may also set up last secondary ground wire discriminating gear, and principle is the same
's.
Example IV
Referring to accompanying drawing 5, this is the structural representation of four embodiment of the invention.The powered prior-warning device 6 of the embodiment
Equally it is made up of misoperation-proof locking device 7, the device is located at the top of action bars 1.The misoperation-proof locking device is by electromagnetism
Iron 8, impedor 9, locating rod 30, auxiliary chuck 31 and moving contact 33 are constituted, and locating rod 30 is vertically installed in ground connection chuck 4
Bottom, the top of action bars 1 is provided with the corresponding hole of locating rod 30, separately provided with screw thread 29, the side of auxiliary chuck 31 is above pushed away
Side is provided with above pushes away the corresponding screwed hole of screw thread 29 with action bars 1, and auxiliary chuck 31 top is additionally provided with can be with the ground connection phase of chuck 4
The moving contact 33 of contact, electromagnet 8 is located at the side of auxiliary chuck 31, and the top of action bars is provided with promise dry bayonet socket 15, the card
Mouth 15 is corresponding with the position of armature 22 of electromagnet 8, and impedor 9 is 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 chuck 31, ground wire exit 25 is on auxiliary chuck 31.
The operating method of the present embodiment is similar with conventional short-circuit ground wire, when operating personnel's hanging earthing conductor is operated, and first will
Earth terminal chuck 5 connects jail with live earthing bar, and then hand-held bar 1, operation handle 3 hang the ground connection chuck 4 of every phase successively
The upper electrical equipment for needing to be grounded, then rotation process bar will be grounded chuck folder 4 by the fastening thread 27 of top and be clamped in and set
It is standby upper；Bigger than the pitch of fastening thread 27 due to above pushing away screw thread 29, auxiliary chuck 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 chuck 4, the ability of ground lead 26 is connected with being grounded equipment, complete
Into hanging earthing conductor operation.When operating the ground wire described in the present embodiment, when the equipment of ground connection needed for ground connection chuck 4 is hung up,
If equipment live, when ground connection chuck 4 is close electric equipment, due to the electrical potential difference between ground wire and charging equipment, equipment is just
The electrode 10 on insulation shell top can be discharged, form obvious electric arc and frizzle, played obvious alarm effect, remind
Operating personnel'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 operating personnel continue to operate by force, because the arc current passes through impedance element
Enter ground, electromagnet 8 excitation, armature 22 immediately through ground lead 26 after part 9, wire 32, the coil of electromagnet 8, auxiliary chuck 31
Eject immediately, stretch into corresponding bayonet socket 15, action bars 1 is blocked, though now again firmly rotate, auxiliary chuck 31 also without
Method rise with ground connection chuck 4 contacts, now anyway, be grounded equipment all can not with the earth connection, the present embodiment by every
From ground lead, play a part of forced blocking hanging earthing conductor.To ensure no matter auxiliary chuck 31 where can originally
Effective locking, bayonet socket 15 preferably sets several along action bars more than 1.Screw thread 29 can be pushed away due to removing auxiliary chuck 31 during ground wire upper
In the presence of decline it is a lot so that every time during the operation of mounting ground, have between auxiliary chuck 31 and ground connection chuck 4 enough safety away from
From therefore no matter how operating personnel move back and forth, all without causing equipment electric arc of discharge to cause accident.The present embodiment also possesses perfect
Anti-incorrect manipulation deadlock function, even if personnel cruelty operate by force, will not also cause accident, can turn into prevent by mistake hanging earthing conductor evil
Last one impassable defence line of sexual behavior event.Certainly, the misoperation-proof locking device of the present embodiment also can be similar by other
Machinery --- the device of electrical bond is constituted, for example locating rod can double as impedance element by the larger conductive rubber bar of resistivity
Part, above push away screw thread 29 and can be replaced by snap lock mechanism etc., play same anti-incorrect manipulation deadlock effect.
The present embodiment various indoor, outdoor ground wires that are particularly suitable for use in are used.Its mechanical structure is simply ingenious, producer
Just, required parts are without particular/special requirement, and use is also very convenient, without unnecessary operation, as the ground connection behaviour for cable, capacitor
When making, the impedor of the present embodiment also possesses the effect of discharging rod, therefore can remove discharge operation from, improves operation just
Profit.Those skilled in the art can be designed that more similar carry completely by the understanding to above example of the present invention
The product of the present invention of misoperation-proof locking device, it is clear that these belong to protection scope of the present invention.
Embodiment five
Referring to accompanying drawing 6, this is the structural representation of fifth embodiment of the invention.The embodiment has simple in construction, again
The light advantage of amount, its powered prior-warning device 6 is made up of a simple impedor 9, impedor 9 and the earth clip per phase
First 4 are connected, and ground connection chuck 4 is connected by being grounded exit 25 with ground lead 26.The impedor equally can also by resistance,
Electric capacity or resistance capacitance are in series, to reduce loss, improve security performance.The embodiment is in use, when earth clip head rest
During nearly equipment, if equipment live, obvious electric arc and squeak will be formed between electrode, so as to play prompt alarm work
With prompting operating personnel's equipment has electricity, forbids ground connection.The impedance original paper may be provided in an insulation tube, improve impedance original paper
Life-span, prevent from making moist；The outside of impedance original paper or insulation tube can also set promise dry plate insulation cluster parachute 28, for increasing misty rain
The insulation effect of weather, further improves the security used.Impedance original paper or insulation tube can also be constituted using flexible material, be carried
The drop resistant of high product hits performance.In addition, the LED that can also be connected on impedor, neon lamp or buzzer (LED, neon lamp or buzzing
Device can access partial pressure vent diverter again as needed), once so nearly charging equipment of earth clip head rest, LED, neon lamp or buzzer
Also sound and light alarm can be sent, makes have the more eye-catching protrusion of electricity prompting.
The present embodiment technology is simple, reliability is high, while also possessing the effect of discharging rod, compared with embodiment one, although
Forced blocking function is lost, but because its structure further simplifies, volume weight is smaller, is more suitable for more than 110KV voltages
The short-circuit grounding wire product of grade is used.The present embodiment may also set up last secondary ground wire discriminating gear, and principle is the same.
Embodiment six
Referring to accompanying drawing 7, this is the structural representation of sixth embodiment of the invention.The powered prior-warning device 6 of the embodiment
Equally it is made up of impedor 9, impedor 9 is connected with the ground connection chuck 4 per phase, ground connection chuck 4 is by being grounded exit 25
It is connected with ground lead 26.When equipment that earth clip head rest is near, if equipment live, obvious electricity will be formed between electrode
Arc and squeak, so as to play prompt alarm effect, remind operating personnel's equipment to have electricity to forbid ground connection.The present embodiment is not also grasped
Make bar 1, used after being docked by the insulating bar for operating joint 38 and electric power special.
The present embodiment also includes an insulation shell 12, and the insulation shell is made up of elastomeric material, one side opening, opening
Side is corresponding with the open side for being grounded chuck, remainder closing, and one end of impedor 9 is connected with ground connection chuck 4, the other end
At the opening for being suspended on insulation shell 12, it is necessary to which ground connection chuck 4 is stretched at the opening of insulation shell 12 when hanging earthing conductor is operated
It can just be clipped to after going out in equipment, complete ground connection operation, therefore during using the present embodiment, operating personnel are had to insulation shell 12
Opening at be first aligned and be grounded equipment, so ensure that no matter how operating personnel operate, once equipment has electricity
First impedor 9 will be discharged, play a part of forcing electrical verification, in embodiment five, if operating personnel's crudity operation, first
The aligning equipment of chuck 4 will be grounded, it is possible to cause the electrical verification of impedor to act on the situation of failure, the present embodiment is exhausted by setting
Edge housing 12, serves the effect of forced guiding, and force all makes impedor first close to equipment anyway during operation, equal to strong
Urgent operating personnel electrical verification again, further increases fool proof effect.The impedor of the present embodiment equally can also connect
One LED, neon lamp or buzzer etc., once so nearly charging equipment of earth clip head rest, LED, neon lamp or buzzer can also be sent
Sound and light alarm, makes have the more eye-catching protrusion of electricity prompting.
The present embodiment technology is simple, reliability is high, while also possessing the effect of discharging rod, although also do not have forced blocking work(
Can, but the function of forcing electrical verification is added, also possess good anti-misoperation function, certain the present embodiment may also set up last
Secondary ground wire discriminating gear, principle is the same.
Embodiment seven
Referring to accompanying drawing 8, this is the structural representation of seventh embodiment of the invention.The powered prior-warning device 6 of the embodiment
It is made up of traditional induction type AC current detector 24.Ground connection chuck 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 powered by detecting ac electric field strength, and ground wire is in use, one
Denier operating personnel, which will be grounded chuck 4 and stretch to, electric equipment, when ground connection chuck has left electric equipment and also had certain distance, earth clip
Inductive ac electroscope on head reminds operator to stop mounting immediately because being alarmed experiencing the AC field of high intensity
Ground wire.The present embodiment is with low cost, but due to doing warning element without using impedance original paper, therefore alarm is not directly perceived enough, does not also have
Standby maloperation forced blocking and the function of discharging rod, but its volume is especially compact, be therefore particularly suitable for preassembled transformer station,
The occasion of the narrow spaces such as switch cubicle, box-type substation, small distribution room is used.
It will be noted that the above embodiments are for illustrating the present invention and not to limit the present invention, such as it is of the invention
Described short-circuit grounding wire both can be that three-phase convergent current type can also be three-phase is split type；It both can be spiral to be grounded chuck
Formula can also be spring；Misoperation-proof locking device can use other similar mechanically or electrically blocking devices completely；
Last width ground wire discriminating gear can be both formed integrally with ground wire can also be made detachable type；Etc..The present invention
Many technical characteristics not in be the same as Example 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, and these changes all should belong to the protection model of the present invention
Enclose.
Claims (1)
1. a kind of band aids in the anti-misoperation short-circuit grounding device of chuck, including action bars (1) or operation joint (38), earth clip
Head (4), ground wire exit (25), ground lead (26) and earth terminal chuck (5), the ground connection chuck (4) pass through ground wire
Exit (25) is connected with ground lead (26), and described ground lead (26) is connected with earth terminal chuck (5), and its feature exists
In the action bars (1) or operation joint (38) are provided with powered prior-warning device (6) close to ground connection chuck (4) side；It is described powered pre-
Alarm device (6) includes misoperation-proof locking device (7), and operating personnel pass through anti-incorrect manipulation deadlock when carrying out ground connection maloperation
Device (7) is locked, it is ensured that the personal safety of operating personnel；
The misoperation-proof locking device (7) includes electromagnet (8), impedor (9), locating rod (30), auxiliary chuck (31)
With moving contact (33), the locating rod (30) is vertically installed in the bottom of ground connection chuck (4), and the top of the action bars (1) is set
Have and above push away screw thread (29), it is described auxiliary chuck (31) side be provided with hole corresponding with locating rod (30), opposite side provided with
Action bars (1) above pushes away the corresponding screwed hole of screw thread (29), and auxiliary chuck (31) top is additionally provided with being grounded chuck (4) phase
The moving contact (33) of contact, the electromagnet (8) is located at the side of the auxiliary chuck (31), the top of the action bars (1)
Provided with several bayonet sockets (15), the bayonet socket (15) is corresponding with armature (22) position of the electromagnet (8), the impedance element
Part (9) located at the locating rod (30) inside and with it is described ground connection chuck (4), electromagnet (8) coil connect after with it is described
Chuck (31) connection is aided in, the ground wire exit (25) is on auxiliary chuck (31)；
When operating personnel are carrying out ground connection maloperation, the ground connection chuck (4) is close to there is electric equipment, and the electromagnet (8) is stood
I.e. excitation, makes armature (22) eject immediately, stretches into corresponding bayonet socket (15), and action bars (1) is blocked, it is impossible to continue to grasp
Make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710270831.4A CN107104328B (en) | 2014-09-19 | 2014-09-19 | A kind of anti-misoperation short-circuit grounding device of band auxiliary collet |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410483052.9A CN104241968B (en) | 2014-09-19 | 2014-09-19 | A kind of anti-misoperation short-circuit grounding device |
| CN201710270831.4A CN107104328B (en) | 2014-09-19 | 2014-09-19 | A kind of anti-misoperation short-circuit grounding device of band auxiliary collet |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410483052.9A Division CN104241968B (en) | 2014-09-19 | 2014-09-19 | A kind of anti-misoperation short-circuit grounding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107104328A true CN107104328A (en) | 2017-08-29 |
| CN107104328B CN107104328B (en) | 2019-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710271539.4A Active CN106941227B (en) | 2014-09-19 | 2014-09-19 | A kind of anti-misoperation short-circuit grounding device easy to carry |
| CN201710270831.4A Active CN107104328B (en) | 2014-09-19 | 2014-09-19 | A kind of anti-misoperation short-circuit grounding device of band auxiliary collet |
| CN201710271551.5A Active CN107134695B (en) | 2014-09-19 | 2014-09-19 | A kind of anti-misoperation short-circuit grounding device with flexible material |
| CN201410483052.9A Active CN104241968B (en) | 2014-09-19 | 2014-09-19 | A kind of anti-misoperation short-circuit grounding device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201710271539.4A Active CN106941227B (en) | 2014-09-19 | 2014-09-19 | A kind of anti-misoperation short-circuit grounding device easy to carry |
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| 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 flexible material |
| CN201410483052.9A Active CN104241968B (en) | 2014-09-19 | 2014-09-19 | A kind of anti-misoperation short-circuit grounding device |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 line |
| 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 |
| CN110988518B (en) * | 2019-11-12 | 2021-09-24 | 国网河北省电力有限公司 | Portable automatic discharging 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 |
| CN114300905A (en) * | 2021-12-29 | 2022-04-08 | 国能朔黄铁路发展有限责任公司 | Grounding device and grounding control method |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107134695A (en) | 2017-09-05 |
| CN106941227A (en) | 2017-07-11 |
| CN106941227B (en) | 2019-02-19 |
| CN107134695B (en) | 2019-05-21 |
| CN104241968A (en) | 2014-12-24 |
| CN104241968B (en) | 2017-07-28 |
| CN107104328B (en) | 2019-06-18 |
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