CN110231544A - Overhead line electroscopic device - Google Patents
Overhead line electroscopic device Download PDFInfo
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- CN110231544A CN110231544A CN201910578288.3A CN201910578288A CN110231544A CN 110231544 A CN110231544 A CN 110231544A CN 201910578288 A CN201910578288 A CN 201910578288A CN 110231544 A CN110231544 A CN 110231544A
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- overhead line
- mounting base
- lantern ring
- electroscopic device
- electrical verification
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- 238000012795 verification Methods 0.000 claims abstract description 68
- 230000006698 induction Effects 0.000 claims abstract description 33
- 230000033228 biological regulation Effects 0.000 claims abstract description 22
- 238000007689 inspection Methods 0.000 claims description 29
- 230000001681 protective effect Effects 0.000 claims description 16
- 230000003287 optical effect Effects 0.000 claims description 4
- 230000006378 damage Effects 0.000 abstract description 6
- 208000027418 Wounds and injury Diseases 0.000 abstract description 3
- 208000014674 injury Diseases 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 14
- 230000001052 transient effect Effects 0.000 description 12
- 230000001629 suppression Effects 0.000 description 11
- 239000003990 capacitor Substances 0.000 description 10
- 238000001514 detection method Methods 0.000 description 7
- 230000005674 electromagnetic induction Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000000087 stabilizing effect Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/145—Indicating the presence of current or voltage
- G01R19/15—Indicating the presence of current
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/085—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution lines, e.g. overhead
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Abstract
The present invention relates to a kind of overhead line electroscopic devices, including shell and electrical verification module, shell includes induction lantern ring and mounting base, induction lantern ring is set to one end of mounting base, incuding lantern ring has an accommodating through-hole, for accommodating overhead line, incudes and offer the first accommodating space inside lantern ring, the second accommodating space is offered inside mounting base;Electrical verification module includes coil, common mode inductance, voltage regulation unit, rectification unit and lamp plate, coil is set in the first accommodating space, common mode inductance, voltage regulation unit and rectification unit are set in the second accommodating space, and lamp plate is set to the one end of mounting base far from induction lantern ring.Aerial line current is sensed in secondary circuit whether energy accurate judgement overhead line has electric current to flow through, and is not necessarily to external power supply, avoids the insulation fault of overhead line and secondary circuit by above-mentioned overhead line electroscopic device, be can be avoided and is caused the person and equipment injury.And shell effectively improves the service life of overhead line electroscopic device for protecting electrical verification module.
Description
Technical field
The present invention relates to electrical equipment technical fields, more particularly to overhead line electroscopic device.
Background technique
In general, in order to improve power supply reliability, reducing amount when having a power failure when power distribution network carries out upkeep operation, wanting in principle
Ask can turn to power must all turn to power.For overhead transmission line, many feeder lines are all using on-pole switch as interconnection switch.It is overhauling
Operation terminates, and when restoring former power supply mode, generally requires unlinking between the on-pole switch progress feeder line of contact.Execute-in-place
When, switch is first disconnected, then pull open the disconnecting link on switch both sides.But after disconnecting switch, it can not judge whether pull open by electrical verification
Disconnecting link (disconnecting link both ends are charged under the operating condition), can only judge whether switch has divided by the state instruction pointer of on-pole switch
Then lock carries out the operation for pulling open disconnecting link.But the opening and closing state of on-pole switch indicates dependence on internal machine driving, older
The unintelligible erroneous judgement being likely to result in switch state of instruction caused by aging, corrosion, loosening or a variety of causes, such as open
Portion is faulty inside the Pass, and after sub-switching operation, instruction is in gate-dividing state, but it is not operating to switch reality, or contact separation is not filled after movement
Point, it switchs substantially still on state.Disconnecting link is at this time operated, will result in the accident of on-load broaching tool lock, causes electricity
Arc has sizable person and equipment safety hidden danger.Disconnecting link is unable to on-load current practice, and existing electroscope is tested for voltage-type
Whether electric appliance can only be examined with voltage on overhead line, and whether can not perceive has electric current, and the electrical verification for not being able to satisfy above-mentioned occasion needs
It asks.
Summary of the invention
Based on this, it is necessary to which whether provide one kind and can effectively monitor route has that electric current, safety be higher, long service life
Overhead line electroscopic device.
A kind of overhead line electroscopic device, comprising:
Shell, including induction lantern ring and mounting base, the induction lantern ring are set to one end of the mounting base, the induction
There is lantern ring an accommodating through-hole to offer the first accommodating space, the installation inside the induction lantern ring for accommodating overhead line
Seat is internal to offer the second accommodating space;
Electrical verification module, including coil, common mode inductance, voltage regulation unit, rectification unit and lamp plate, the coil are set to described
In first accommodating space, the common mode inductance, the voltage regulation unit and the rectification unit are set to second accommodating space
Interior, the lamp plate is set to the one end of the mounting base far from the induction lantern ring.
The induction lantern ring includes fixed part and movable part in one of the embodiments, the fixed part and the peace
Dress seat is fixedly connected, and the fixed part is oppositely arranged with the movable part, and is formed between the fixed part and the movable part
One end of the accommodating through-hole, one end of the fixed part and the movable part is rotatablely connected, the other end of the fixed part with
The other end of the movable part is flexibly connected.
It in one of the embodiments, further include bracket, the bracket is provided with first clamping member, described first clamping member
Clamp the mounting base.
The bracket includes fixed plate, the first pulling plate and the second pulling plate, first clamping in one of the embodiments,
Part is set in the fixed plate, and first pulling plate offers the first pulling through slot, and described first pulls the extension side of through slot
To identical as the extending direction of first pulling plate, described first clamping member is arranged in institute close to one end part of the fixed plate
It states in the first pulling through slot;One end of first pulling plate is connect with one end of second pulling plate, second pulling plate it is another
One end is fixedly connected with the movable part;First pulling plate is provided with limit elastic component far from one end of second pulling plate,
And the telescopic direction of the limit elastic component is identical as the extending direction of first pulling plate, the limit elastic component is close to described
One end of first pulling through slot is provided with locating piece, and described first clamping member offers first close to one end of the fixed plate and determines
Position hole, the locating piece are arranged in the first positioning hole.
The locating piece has crotch structure in one of the embodiments, and the crotch structure is arranged in described first
Positioning hole.
The limit elastic component is provided with fixation far from one end of the first pulling through slot in one of the embodiments,
Part, the fixing piece are fixedly connected with first pulling plate.
It in one of the embodiments, further include inspection module, the inspection module is for detecting whether electrical verification module has
Faulty, the inspection module and the electrical verification module are electrically connected, and the inspection module is set to second accommodating space
Interior, the lamp plate includes the first illuminating module and the second illuminating module, and first illuminating module and the electrical verification module are electrical
Connection, second illuminating module and the inspection module are electrically connected.
The mounting base is additionally provided with protective cover in one of the embodiments, and the protective cover is set to the installation
One end of the nearly lamp plate is seated against, and is arranged around the periphery of the lamp plate.
The section radius of the protective cover is from one end close to the mounting base to far from institute in one of the embodiments,
The direction for stating one end of mounting base is gradually increased.
It in one of the embodiments, further include lampshade, the lampshade is connect with the mounting base, and the lampshade is set to
In the protective cover, and it is arranged around the periphery of the lamp plate.
The electrical verification module of above-mentioned overhead line electroscopic device includes coil, common mode inductance, voltage regulation unit and rectification unit, coil
It is set in induction lantern ring, induction lantern ring has an accommodating hole, overhead line is set in accommodating hole, when overhead line has electric current
When flowing through, it is based on electromagnetic induction principle, coil can generate electromotive force, and electromotive force is alternating current, and common mode inductance is used for exchange
Electricity is filtered, and voltage regulation unit has pressure stabilization function, and for protecting electrical verification module, alternating current is converted into direct current by rectification unit
Electricity, rectification unit and lamp plate are electrically connected, and direct current provides power supply for lamp plate, when lamp plate issues light, then it represents that monitoring
Route has electric current.In this way, aerial line current is sensed secondary circuit by electromagnetic induction principle by above-mentioned overhead line electroscopic device
In, so that whether accurate judgement overhead line has electric current to flow through, it is not necessarily to external power supply, can be avoided and cause overhead line and secondary circuit
Insulation fault, and be provided with common mode inductance and voltage regulation unit, further increase the detection safety of overhead line electroscopic device, energy
Enough avoid the person and equipment injury.Also, shell effectively improves making for overhead line electroscopic device for protecting electrical verification module
Use the service life.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the overhead line electroscopic device of an embodiment;
Fig. 2 is partial enlargement diagram at the A of overhead line electroscopic device shown in FIG. 1;
Fig. 3 is the schematic perspective view of the shell of the overhead line electroscopic device of an embodiment;
Fig. 4 is the shell of the overhead line electroscopic device of an embodiment and the perspective exploded view of lamp plate;
Fig. 5 is the schematic perspective view of the bracket of the overhead line electroscopic device of an embodiment;
Fig. 6 is the structural block diagram of the overhead line electroscopic device of an embodiment;
Fig. 7 is the structural block diagram of the electrical verification module of the overhead line electroscopic device of an embodiment;
Fig. 8 is the circuit theory schematic diagram of the overhead line electroscopic device of an embodiment;
Fig. 9 a is that the inspection module of overhead line electroscopic device shown in Fig. 8 detects the circuit theory schematic diagram of electrical verification module;
Fig. 9 b is that the inspection module of overhead line electroscopic device shown in Fig. 8 detects another circuit theory signal of electrical verification module
Figure.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give better embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose of providing these embodiments is that making to understand more the disclosure
Add thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being set to " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more
Any and all combinations of relevant listed item.
The present invention relates to a kind of overhead line electroscopic devices, comprising: shell and electrical verification module, the shell include induction lantern ring
And mounting base, the induction lantern ring are set to one end of the mounting base, the induction lantern ring has an accommodating through-hole, for holding
Overhead line is set, the first accommodating space is offered inside the induction lantern ring, the second accommodating space is offered inside the mounting base;
The electrical verification module includes coil, common mode inductance, voltage regulation unit, rectification unit and lamp plate, the first end of the coil with it is described
The first input end of common mode inductance is electrically connected, and the second end of the coil and the second input terminal of the common mode inductance electrically connect
It connects, the first output end of the common mode inductance and the first input end of the rectification unit are electrically connected, the common mode inductance
Second input terminal of second output terminal and the rectification unit is electrically connected, the output end of the rectification unit and lamp plate electricity
Property connection, first output end of common mode inductance and second output terminal are also electrically connected with the voltage regulation unit;The coil is set
It is placed in first accommodating space, the common mode inductance, the voltage regulation unit and the rectification unit are set to described second
In accommodating space, the lamp plate is set to the one end of the mounting base far from the induction lantern ring.
Please refer to Fig. 1 and Fig. 4, a kind of overhead line electroscopic device 10 in one of the embodiments, comprising: shell 300 and
Electrical verification module, the shell, which is adopted, to be made from an insulative material, and the shell 300 includes incuding lantern ring 310 and mounting base 320, described
Induction lantern ring 310 is set to one end of the mounting base 320, and the induction lantern ring 310 has an accommodating through-hole 311, the appearance
Through-hole is set for accommodating overhead line, i.e. overhead line passes through accommodating through-hole, and the first accommodating sky is offered inside the induction lantern ring 310
Between (not shown), offer the second accommodating space (not shown) inside the mounting base 320;The electrical verification module include coil,
First input of common mode inductance, voltage regulation unit, rectification unit and lamp plate 400, the first end of the coil and the common mode inductance
End is electrically connected, and the second input terminal of the second end of the coil and the common mode inductance is electrically connected, the common mode inductance
The first input end of first output end and the rectification unit is electrically connected, the second output terminal of the common mode inductance with it is described whole
The second input terminal for flowing unit is electrically connected, and the output end of the rectification unit and the lamp plate are electrically connected, the common mode electricity
Feel the first output end and second output terminal to be also electrically connected with the voltage regulation unit;It is empty that the coil is set to first accommodating
In, first accommodating space is ring-type, and the coil is air core coil, side wall setting of the coil close to accommodating through-hole, institute
It states common mode inductance, the voltage regulation unit and the rectification unit to be set in second accommodating space, the lamp plate 400 is arranged
In the one end of the mounting base far from the induction lantern ring.
The electrical verification module of above-mentioned overhead line electroscopic device includes coil, common mode inductance, voltage regulation unit and rectification unit, coil
It is set in induction lantern ring, induction lantern ring has an accommodating hole, overhead line is set in accommodating hole, when overhead line has electric current
When flowing through, it is based on electromagnetic induction principle, coil can generate electromotive force, and electromotive force is alternating current, and common mode inductance is used for exchange
Electricity is filtered, and voltage regulation unit has pressure stabilization function, and for protecting electrical verification module, alternating current is converted into direct current by rectification unit
Electricity, rectification unit and lamp plate are electrically connected, and direct current provides power supply for lamp plate, when lamp plate issues light, then it represents that monitoring
Route has electric current.In this way, aerial line current is sensed secondary circuit by electromagnetic induction principle by above-mentioned overhead line electroscopic device
In, so that whether accurate judgement overhead line has electric current to flow through, it is not necessarily to external power supply, can be avoided and cause overhead line and secondary circuit
Insulation fault, and be provided with common mode inductance and voltage regulation unit, further increase the detection safety of overhead line electroscopic device, energy
Enough avoid the person and equipment injury.Also, shell effectively improves making for overhead line electroscopic device for protecting electrical verification module
Use the service life.
In one of the embodiments, referring to Fig. 3, the section of the accommodating through-hole 311 is circle.In this way, accommodating is logical
The shape in hole section is identical as the shape in overhead line section, passes through accommodating through-hole convenient for overhead line.In one of the embodiments,
The diameter of the accommodating through hole section is greater than 0.5 centimetre to 1 centimetre of diameter of overhead line section.It is easy in this way, being conducive to coil
It senses the electric current that overhead line flows through, generates electromagnetic induction.
Induction lantern ring is passed through for the ease of overhead line, please refers to Fig. 3 and Fig. 4, in one of the embodiments, the induction
Lantern ring 310 includes fixed part 312 and movable part 313, and the fixed part 320 is fixedly connected with the mounting base 320, the fixation
Portion 312 is oppositely arranged with the movable part 313, and it is logical that the accommodating is formed between the fixed part 312 and the movable part 313
One end of hole 311, one end of the fixed part 312 and the movable part 313 is rotatablely connected, the other end of the fixed part 312
It is flexibly connected with the other end of the movable part 313, i.e., the first end of the described fixed part 312 and the first of the movable part 313
End rotation connection, the second end of the fixed part 312 are abutted with the second end activity of the movable part 313.That is, fixed
The first end in portion and the first end of movable part can be rotated, so that the second end of fixed part and the second end of movable part are located remotely from each other,
In this way, accommodating through-hole switches to a slot with opening, overhead line can be passed through accommodating through-hole, carry out electrical verification by service personnel
Work, improves the convenience of overhead line electroscopic device.
The second end of the fixed part is provided with fastener, the second end of the movable part in one of the embodiments,
It is provided with block button hole, the second end of the fixed part and the second end of the movable part fasten company by fastener and block button hole
It connects.The second end of the fixed part is provided with block button hole in one of the embodiments, and the second end of the movable part is provided with
Fastener, the second end of the fixed part and the second end of the movable part are fastened and connected by block button hole and fastener.
In order to improve the safety of overhead line electroscopic device, referring to Fig. 3, the installation in one of the embodiments,
Seat 320 is additionally provided with protective cover 321, and the protective cover 321 is set to the mounting base 320 close to one end of the lamp plate 400,
And it is arranged around the periphery of the lamp plate 400.In this way, protective cover can protect lamp plate and electrical verification module, overhead line electrical verification is improved
The safety of device is conducive to the service life for increasing overhead line electroscopic device.
In one of the embodiments, referring to Fig. 3, the section radius of the protective cover 321 is by close to the peace
The one end for filling seat 320 is gradually increased to the direction of one end far from the mounting base 320.And protective cover is by close to the installation
One end of seat 320 gradually tilts outward to the direction of one end far from the mounting base 320, that is to say, that protective cover is circle
Platform structure, and the lesser one end of diameter is connect with mounting base is arranged in umbrella, in such manner, it is possible to ensure it is enough climb electricity away from
From, and can also prevent rainwater from entering lamp plate.
In order to improve the brightness of lamp plate, Fig. 3 and Fig. 4 is please referred to, in one of the embodiments, the overhead line electrical verification dress
Setting 10 further includes lampshade 330, and the lampshade 330 is connect with the mounting base 320, and the lampshade 330 is set to the protective cover
In 321, and it is arranged around the periphery of the lamp plate 400.In the present embodiment, lampshade setting is internal empty made of surrounding in protective cover
Between, also, lampshade is in frustum cone structure, and the section radius of lampshade is smaller than the section radius of protective cover.In this way, issuing lamp plate
Light is more concentrated, and easy access personnel observe when carrying out electrical verification work judges whether the route of monitoring has electric current.
For the ease of being fixed on electric force pole tower, referring to Fig. 1, the overhead line electrical verification in one of the embodiments,
Device 10 further includes bracket 500, and the bracket 500 is provided with first clamping member 510, and described first clamping member 510 clamps described
Mounting base 320.Specifically, bracket can be fixed on shaft tower, and mounting hole is offered on bracket, can pass through the accessories such as screw and shaft tower
Fixed, first clamping member clamps mounting base with fixation, in this way, being capable of fixing overhead line electroscopic device is mounted on electric force pole tower
On, when service personnel carries out electrical verification work, only induction lantern ring need to be sheathed on overhead line, electrical verification work can be started.
In order to further increase the stability that shell is mounted on bracket, referring to Fig. 1, institute in one of the embodiments,
It states bracket 500 and is additionally provided with the second clamping piece 520, second clamping piece 520 is arranged with described first clamping member 510 interval,
Second clamping piece 520 clamps the lampshade 330.In this way, the second clamping piece clamps lampshade, enable the housing to more stable
Ground is rack-mount, is conducive to improve the stability that overhead line electroscopic device is mounted on electric force pole tower.
In order to further increase the property easy to use of overhead line electroscopic device, Fig. 2 and Fig. 5 is please referred to, wherein a reality
It applies in example, the bracket 500 includes fixed plate 530, the first pulling plate 540 and the second pulling plate 550, and described first clamping member 510 is set
It is placed in the fixed plate 530, first pulling plate 540 offers the first pulling through slot 541, and described first pulls through slot 541
Extending direction it is identical as the extending direction of first pulling plate 540, described first clamping member 510 is close to the fixed plate 530
One end part be arranged in it is described first pull through slot 541 in;One end of first pulling plate 540 and second pulling plate 550
One end connection, the other end of second pulling plate 550 with it is described incude lantern ring 310 the movable part 313 be fixedly connected;Institute
It states the first pulling plate 540 and one end of second pulling plate 550 is provided with limit elastic component 560, and the limit elastic component 560
Telescopic direction it is identical as the extending direction of first pulling plate 540, the limit elastic component 560 pulls logical close to described first
One end of slot 541 is provided with locating piece 561, and described first clamping member 510 offers first close to one end of the fixed plate 530
Location hole 511, the locating piece 561 are arranged in the first positioning hole 511.
Specifically, the first pulling through slot is offered on the first pulling plate, a part of clamping piece is arranged in the first pulling through slot
It is interior, also, first pulls the extending direction of through slot identical as the extending direction of the first pulling plate, so that be fixedly mounted in fixed plate
In the case of, the first pulling plate can pull back and forth towards its extending direction;One end of first pulling plate is connect with one end of the second pulling plate,
And the other end of the second pulling plate is connect with the movable part of induction lantern ring, when the direction that the first pulling plate is directed away from the second pulling plate pulls
When, then the second end of the movable part of lantern ring can be answered far from the second end of fixed part with dynamic, so that accommodating through-hole switches to one
A slot with opening can will make somebody a mere figurehead in this way, service personnel only need to pull the first pulling plate away from the direction of the second pulling plate
Line passes through accommodating through-hole and carries out electrical verification work, not only increases the property easy to use of overhead line electroscopic device, also to overhaul people
Member keeps biggish safe distance with overhead line, improves personal safety.It is additionally provided with limit elastic component on first pulling plate, limits bullet
Property part telescopic direction it is identical as the extending direction of the first pulling plate, that is to say, that limit the telescopic direction of elastic component and drawn with first
The direction of motion of plate is identical, also, the one end for limiting elastic component is connect with the first pulling plate, and the other end is threaded through the by locating piece
The positioning hole of one clamping piece, when service personnel pulls the first pulling plate away from the direction of the second pulling plate, accommodating through-hole is cut
Change a slot with opening into, overhead line is passed through accommodating through-hole by service personnel, at this point, limit elastic component is under external force
Deformation occurs elongates, and when service personnel removes the external force to the first pulling plate, under the elastic reaction of limit elastic component, spring is multiple
Position, be able to drive induction lantern ring movable part reset, accommodating through-hole switch to back a side wall ring around hole.In such manner, it is possible into
The property easy to use of one step raising overhead line electroscopic device.
In one of the embodiments, referring to Fig. 5, first pulling plate 540 offers the second pulling through slot 542, institute
It states the second pulling through slot 542 and pulls the interval of through slot 541 to be arranged with described first, described second pulls the extending direction of through slot 542
Identical as the extending direction of first pulling plate 540, second clamping piece 520 is close to one end part of the fixed plate 530
Described second is arranged in pull in through slot 542.
In one of the embodiments, referring to Fig. 5, the second clamping piece 520 described in second clamping piece 520 offers
The locating piece of the second location hole 521, the limit elastic component is arranged in the second location hole of second clamping piece 520
In 521.
In order to improve the stability of limit elastic component, referring to Fig. 2, the locating piece 561 in one of the embodiments,
With crotch structure, the crotch structure is arranged in the first positioning hole 511 or the second location hole 521.In this way,
Locating piece is firmly cooperated with location hole, avoids unclamping under the elastic reaction of limit elastic component.
In order to further increase the stability of limit elastic component, referring to Fig. 2, institute in one of the embodiments,
It states limit elastic component 560 and one end of the first pulling through slot 541 is provided with fixing piece 562, the fixing piece 562 and institute
The first pulling plate 540 is stated to be fixedly connected.In this way, the limit one end of elastic component far from the second pulling plate can be firmly secured to the first drawing
On plate, the stability of locating part is further increased.
In order to improve the safety of overhead line electroscopic device, the overhead line electroscopic device in one of the embodiments,
It further include inspection module, the inspection module for detecting whether electrical verification module has failure, test with described by the inspection module
Electric module is electrically connected, and the inspection module is set in second accommodating space, and the lamp plate includes the first illuminating module
And second illuminating module, first illuminating module and the electrical verification module are electrically connected, second illuminating module with it is described
Inspection module is electrically connected.That is, the first illuminating module is used for electrical verification module, whether detection overhead line has electric current to flow through,
Second illuminating module is used for inspection module, and service personnel can detect electrical verification module with the presence or absence of event before progress electrical verification work
Barrier so as to which whether accurate judgement route has electric current, and can be avoided effectively because using there are the overhead line electrical verifications of failure
The personal safety harm that device occurs, effectively improves the safety of overhead line electroscopic device.It should be noted that the first luminous mould
Both the difference of group and the second illuminating module can be the two and be distributed different positions on lamp plate to show difference, be also possible to
The light of sending is different colours to show difference.
The electrical verification module and inspection module of overhead line are further detailed below:
In one embodiment, referring to Fig. 7, a kind of overhead line electroscopic device 10, including electrical verification module 100, it is described to test
Electric module 100 includes coil 110, common mode inductance 120, voltage regulation unit 150, rectification unit 130 and the first indicating unit 140, institute
State coil 110 first end and the common mode inductance 120 first input end be electrically connected, the second end of the coil 110 with
Second input terminal of the common mode inductance 120 is electrically connected, the first output end and the rectification unit of the common mode inductance 120
130 first input end is electrically connected, and the second of the second output terminal of the common mode inductance 120 and the rectification unit 130 is defeated
Enter end to be electrically connected, the output end of the rectification unit 130 and first indicating unit 140 are electrically connected, the common mode electricity
Feel 120 first output ends and second output terminal to be also electrically connected with the voltage regulation unit 150.In the present embodiment, the first instruction is single
Member is the lamp plate in any of the above-described embodiment.Specifically, referring to Fig. 8, L1 is coil, L2 is common mode inductance, the coil L1
First end and the first input end of the common mode inductance L2 be electrically connected, the second end of the coil L1 and the common mode inductance
The second input terminal of L2 is electrically connected.
The rectification unit is bridge rectifier unit in one of the embodiments,.Specifically, referring to Fig. 8, bridge-type is whole
Stream unit includes diode D1, D2, D3 and D4, and the anode of diode D1 is electrically connected with the cathode of diode D2, diode D2
The anode of anode and diode D3 be electrically connected, the anode of the cathode of diode D3 and diode D4 are electrically connected, diode
The cathode of D4 and the cathode of diode D1 are electrically connected, wherein the tie point of diode D1 and diode D2 is bridge rectifier list
The tie point of the first input end of member, diode D3 and diode D4 are the second input terminal of bridge rectifier unit, bridge rectifier
The input terminal of unit accesses alternating current, therefore, the first input end of bridge rectifier unit and the first output end of common mode inductance L2
It is electrically connected, the second input terminal of bridge rectifier unit and the second output terminal of common mode inductance L2 are electrically connected.Diode D1 with
The tie point of diode D4 is the cathode output end of bridge rectifier unit, and the tie point of diode D2 and diode D3 is that bridge-type is whole
The cathode output end of unit is flowed, cathode output end and the cathode output end output of bridge rectifier unit are direct current.
It is to be appreciated that the first indicating unit can be indicator light, be also possible to buzzer, by issue optical signal or
Person's acoustical signal judges whether overhead line has electric current to flow through.It should be noted that the first indicating unit includes but is not limited to above-mentioned
Indicator light and buzzer.
First indicating unit is indicator light in one of the embodiments, specifically, referring to Fig. 8, described first
Indicating unit includes at least one Light-emitting diode LED, anode and the bridge rectifier unit of the Light-emitting diode LED
Cathode output end is electrically connected, and the cathode output end of the cathode of the Light-emitting diode LED and the bridge rectifier unit is electrical
Connection.In this way, being based on electromagnetic induction principle when having electric current to flow through on overhead line, coil can generate electromotive force, and electromotive force is
Alternating current, alternating current are converted into direct current by rectification unit, and direct current provides power supply for Light-emitting diode LED.And it is based on
The DC current of diode unilateral conduction principle, the output of bridge rectifier unit flows to cathode by the anode of Light-emitting diode LED, because
This, Light-emitting diode LED can issue light.That is, when Light-emitting diode LED is shinny, then it represents that overhead line has electricity
Stream flows through, and the route of monitoring has electric current;When Light-emitting diode LED is not shinny, then it represents that overhead line no current flows through, monitoring
Route no current.
Judge to monitor whether route has electric current for the ease of service personnel, referring to Fig. 8, in one of the embodiments,
First indicating unit includes several light emitting diodes, several light emitting diodes anode with the bridge rectifier list
The cathode output end of member is electrically connected, the cathode output end of the cathode of several light emitting diodes and the bridge rectifier unit
It is electrically connected.That is, be connected in parallel between several light emitting diodes, it is several when the output direct current of bridge rectifier unit
Light emitting diode is shinny simultaneously, and the brightness of generation is higher, and easy access personnel observation judges to monitor whether route has electric current.
In order to detect whether electrical verification module works normally, referring to Fig. 6, the overhead line in one of the embodiments,
Electroscopic device 10 further includes inspection module 200, and the inspection module 200 is electrically connected with the electrical verification module 100, specifically,
Referring to Fig. 8, the inspection module 200 includes the of DC power supply U and the first double-pole switch S1, the first double-pole switch S1
The anode of one end and the DC power supply U are electrically connected, and the second end of the first double-pole switch S1 is used for and described luminous two
The anode of pole pipe LED is electrically connected, and the cathode of the first double-pole switch S1 third end and the DC power supply U are electrically connected,
The 4th end first double-pole switch S1 is used to be electrically connected with the cathode of the Light-emitting diode LED.Specifically, inspection module
For detecting light emitting diode with the presence or absence of failure.
It should be noted that there are two independent switches for double-pole switch (the bipolar single connection plane switch of full name) tool, pass through two
The on-off of one branch line of switch control, two switches are alternatively two groups of contacts, and there are four contacts, i.e., first altogether for two groups of contacts
Contact, the second contact, third contact and the 4th contact, wherein the first contact and the second contact are a switch or one group of touching
Point, third contact and the 4th contact are another switch or another group of contact.Double-pole switch only has two states: two switches
It is closed at or two switches simultaneously switches off.When two switches are closed at, line conduction;When two switches simultaneously switch off
When, route disconnects.
In the present embodiment, the first end and second end of the first double-pole switch are first group of contact, and third end and the 4th end are
Second group of contact, when the anode electric connection of second end and light emitting diode and the cathode of the 4th end and light emitting diode electrically connects
When connecing, i.e., two switches are closed at, and line status at this time please refers to Fig. 9 a, the anode and light emitting diode of DC current U
The anode of LED is electrically connected, and the cathode of DC current U and the cathode of Light-emitting diode LED are electrically connected, DC power supply U and hair
Optical diode LED forming circuit, and it is based on diode unilateral conduction principle, Light-emitting diode LED can work normally, and issue light
It is bright, then it represents that light emitting diode is normal;When Light-emitting diode LED does not issue light, then it represents that light emitting diode there are failure,
Service personnel can avoid the judgement for influencing electrical verification before carrying out electrical verification work by the troubleshooting of light emitting diode.
It should be noted that, although DC power supply U is also electrically connected with bridge rectifier unit, still, due to DC power supply U
Anode is electrically connected is cathode output end in bridge rectifier unit between D1, D4, the cathode of DC power supply U is electrically connected
Be cathode output end in bridge rectifier unit between D2, D3, that is to say, that one is formed between DC power supply U, D1 and D2
Circuit, also forms a circuit between DC power supply U, D3 and D4, the flow direction of electric current is to flow to D1's from the anode of DC power supply U
The cathode of cathode or D4, according to diode unilateral conduction principle, the cathode that electric current cannot pass through D1 flows to the anode of D1, or
The anode of D4 is flowed to by the cathode of D4, therefore, the circuit for being equivalent to DC power supply U and bridge rectifier unit is in disconnection shape
State, therefore only DC power supply U is connected with the circuit that Light-emitting diode LED is formed.
It should be understood that inspection module is used before electrical verification module carries out electrical verification work, that is to say, that in electrical verification
The coil of module, which is not sheathed on also on overhead line, carries out detection line road when whether having electric current, and rectification unit will not then export electric current confession
LED operation.Service personnel, by using inspection module, the first double-pole switch is closed, DC power supply U before electrical verification
It is formed into a loop with Light-emitting diode LED, by observing whether Light-emitting diode LED issues light, that is, can determine whether light emitting diode
LED whether there is failure.
In order to further detect whether electrical verification module works normally, referring to Fig. 8, described in one of the embodiments,
Inspection module 200 further includes the second double-pole switch S2 and the second indicating unit L, the first end of the second double-pole switch S2 and institute
The cathode for stating Light-emitting diode LED is electrically connected, and the second end of the second double-pole switch S2 is used for the DC power supply U's
Anode is electrically connected, and the first end of the second double-pole switch S2 third end and the second indicating unit L are electrically connected, described
The 4th end second double-pole switch S2 is used to be electrically connected with the cathode of the DC power supply U;The first of the second indicating unit L
End and the third end of the second double-pole switch S2 are electrically connected, the second end of the second indicating unit L and described luminous two
The anode of pole pipe LED is electrically connected.Specifically, inspection module is applied not only to detection light emitting diode with the presence or absence of failure, moreover it is possible to
The rectification unit in detection electrical verification module is enough in the presence or absence of failure.
In the present embodiment, the first end and second end of the second double-pole switch are first group of contact, and third end and the 4th end are
Second group of contact, when the anode electric connection of second end and DC power supply and the cathode of the 4th end and DC power supply is electrically connected
When, i.e., two switches are closed at, and line status at this time please refers to Fig. 9 b, anode and the bridge rectifier unit of DC power supply U
Cathode output end between middle D2, D3 is electrically connected, in the cathode and bridge rectifier unit of DC power supply U between D1, D4 just
Pole output end is electrically connected, that is to say, that a circuit is formed between DC power supply U, D1, D2 and the second indicating unit L, or
Be between DC power supply U, D3, D4 and the second indicating unit L formation one circuit, the flow direction of electric current be from DC power supply U just
Pole flows to the anode of D2 or the anode of D3, and according to diode unilateral conduction principle, electric current can flow to D2 by the anode of D2
Anode, the cathode of D1 is flowed to using the anode of D1, or the cathode of D3 is flowed to by the anode of D3, using the anode of D4
The cathode for flowing to D4 enables current to by the second indicating unit L the second indicating unit L be worked normally.Also
It is to say, when the second double-pole switch is closed, when the second indicating unit L can be worked normally, then it represents that the rectification list of electrical verification module
It is first normal;When the second indicating unit L can not work normally, then it represents that there are failures for the rectification unit of electrical verification module.
It is formed into a loop it should be noted that, although DC power supply U is also electrically connected with Light-emitting diode LED, still, direct current
The anode of power supply U is electrically connected with the cathode of Light-emitting diode LED, the cathode of DC power supply U and the anode of Light-emitting diode LED
It is electrically connected, electric current can not flow through Light-emitting diode LED, and electric current can not flow through the second indicating unit L, so that the second indicating unit
L work, the i.e. circuit that DC power supply U, Light-emitting diode LED and the second indicating unit L are formed are in an off state, therefore only straight
The circuit conducting that galvanic electricity source U, rectification unit and the second indicating unit L are formed.
As such, it should be understood that inspection module be electrical verification module carry out electrical verification work before use, that is,
Say, the coil of electrical verification module be not sheathed on also on overhead line carry out detection line road whether have electric current when, coil can not generate friendship
Galvanic electricity, which is exported to rectification unit, makes rectification unit carry out direct current conversion to alternating current.Service personnel is before electrical verification by using inspection
Module is tested, the second double-pole switch is closed, is formed into a loop, passes through between DC power supply U, rectification unit and the second indicating unit L
It observes whether the second indicating unit works normally, that is, can determine whether rectification unit with the presence or absence of failure.
It is to be appreciated that the second indicating unit L shown in Fig. 8 can be indicator light, it is also possible to buzzer, passes through hair
Optical signals or acoustical signal judge whether overhead line has electric current to flow through.It should be noted that the second indicating unit includes but not
It is limited to above-mentioned indicator light and buzzer.When the second indicating unit is indicator light, it can be as common light bulb, be also possible to
For light emitting diode, when the second indicating unit is light emitting diode, it should be noted that the connection of the positive and negative anodes of light emitting diode is closed
System, at this point, the anode of the light emitting diode of the second indicating unit need to be with the anode electricity of the Light-emitting diode LED of the first indicating unit
Property connection, the third end electric connection of the cathode of the light emitting diode of the second indicating unit and the second double-pole switch.
Judge for the ease of service personnel, in one of the embodiments, the light emitting diode of second indicating unit
Light emitting diode with first indicating unit is the light emitting diode for issuing different colours light.In the present embodiment, first
Indicating unit and the second indicating unit correspond to the first illuminating module and the second illuminating module of the lamp plate in an above-mentioned embodiment.
It is described double in one of the embodiments, referring to Fig. 8, the voltage regulation unit includes bi-directional voltage stabilizing diode ZD
It is electrically connected to the first end of zener diode ZD and first output end of common mode inductance L2, the bi-directional voltage stabilizing diode ZD
Second end and the common mode inductance L2 second output terminal be electrically connected.Since common mode inductance output is alternating current, this
In embodiment, voltage regulation unit, in two output ends of common mode inductance, plays the role of pressure stabilizing using bi-directional voltage stabilizing diodes in parallel.
In order to further protect electrical verification module, referring to Fig. 7, the electrical verification module 10 is gone back in one of the embodiments,
Including Overvoltage protecting unit 160,120 first output end of common mode inductance and second output terminal also with the Overvoltage protecting unit
160 are electrically connected, specifically, referring to Fig. 8, the Overvoltage protecting unit includes the first two-way Transient Suppression Diode D5 and the
The first end of two two-way Transient Suppression Diode D6, the first two-way Transient Suppression Diode D5 are with the common mode inductance L2's
First output end is electrically connected, the first end of the second two-way Transient Suppression Diode D6 and the second of the common mode inductance L2
Output end is electrically connected, and the second end of the first two-way Transient Suppression Diode D5 inhibits two poles with the described second two-way transient state
The second end of pipe D6 is electrically connected, and the second end of the first two-way Transient Suppression Diode D5 is for being grounded.
In the present embodiment, the first two-way Transient Suppression Diode and the second two-way Transient Suppression Diode refer to two-way wink
State voltage suppression diode.When the bilateral transient voltage suppression diode conveniently instantaneous overvoltage pulse of a high-energy, work
Lower conduction value can be quickly down to by making impedance, by voltage clamping to predeterminated level, so that the element in effective protection route is exempted from
It is damaged.
In order to further protect electrical verification module, referring to Fig. 8, the Overvoltage protecting unit in one of the embodiments,
It further include arrester F, the first end of the arrester F and first output end of common mode inductance L2 are electrically connected, described lightning-arrest
The second end of device F and the common mode inductance L2 second output terminal are electrically connected, and the arrester F has a ground terminal for connecing
Ground.In this way, electrical verification module can further avoid the harm of high transient overvoltage.
In order to further protect electrical verification module, referring to Fig. 7, the electrical verification module 100 is gone back in one of the embodiments,
Including Anti-surging unit 170,120 first output end of common mode inductance and second output terminal also with the Anti-surging unit 170
It is electrically connected, specifically, referring to Fig. 8, the Anti-surging unit includes first capacitor C1 and the second capacitor C2, first electricity
Hold C1 first end and the common mode inductance L2 the first output end be electrically connected, the first end of the second capacitor C2 with it is described
The second output terminal of common mode inductance L2 is electrically connected, the second end of the second end of the first capacitor C1 and the second capacitor C2
It is electrically connected, the second end of the first capacitor C1 is for being grounded.In such manner, it is possible to prevent the damage of surge current.
In one of the embodiments, referring to Fig. 8, the Anti-surging unit further includes the first thermistor R1 and second
The first end of thermistor R2, the first thermistor R1 and the first end of the first capacitor C1 are electrically connected, and described the
The first input end of the second end of one thermistor R1 and the rectification unit is electrically connected, and the of the second thermistor R2
The first end of one end and the second capacitor C2 are electrically connected, the second end of the second thermistor R2 and the rectification unit
The second input terminal be electrically connected.Specifically, in the present embodiment, the first thermistor and the second thermistor are positive temperature coefficient
Thermistor.By posive temperature coefficient thermistor of connecting between capacitor and rectification unit, the current heating flowed through makes heat
The resistance value of quick resistance increases, and further limits to surge current.
In order to further protect electrical verification module, the overhead line electroscopic device further includes outer in one of the embodiments,
Shell, the second of the second end of the first two-way Transient Suppression Diode, the ground terminal of the arrester and the first capacitor
End and the cage connection, for the shell for being grounded, the interior of shell offers accommodating space, the electrical verification module setting
In the accommodating space.Specifically, the shell is made of insulating materials, in such manner, it is possible to which effective protection protects electrical verification module.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of overhead line electroscopic device characterized by comprising
Shell, including induction lantern ring and mounting base, the induction lantern ring are set to one end of the mounting base, the induction lantern ring
With an accommodating through-hole, for accommodating overhead line, the first accommodating space is offered inside the induction lantern ring, in the mounting base
Portion offers the second accommodating space;
Electrical verification module, including coil, common mode inductance, voltage regulation unit, rectification unit and lamp plate, the coil are set to described first
In accommodating space, the common mode inductance, the voltage regulation unit and the rectification unit are set in second accommodating space, institute
It states lamp plate and is set to the one end of the mounting base far from the induction lantern ring.
2. overhead line electroscopic device according to claim 1, which is characterized in that the induction lantern ring includes fixed part and work
Dynamic portion, the fixed part are fixedly connected with the mounting base, and the fixed part is oppositely arranged with the movable part, and the fixation
The accommodating through-hole is formed between portion and the movable part, one end rotation of one end of the fixed part and the movable part connects
It connects, the other end of the fixed part is flexibly connected with the other end of the movable part.
3. overhead line electroscopic device according to claim 2, which is characterized in that further include bracket, the bracket is provided with
First clamping member, described first clamping member clamp the mounting base.
4. overhead line electroscopic device according to claim 3, which is characterized in that the bracket includes fixed plate, the first drawing
Plate and the second pulling plate, described first clamping member are set in the fixed plate, and first pulling plate offers the first pulling through slot,
Described first pulls the extending direction of through slot identical as the extending direction of first pulling plate, and described first clamping member is close to described
One end part of fixed plate is arranged in described first and pulls in through slot;One end of first pulling plate and the one of second pulling plate
End connection, the other end of second pulling plate are fixedly connected with the movable part;First pulling plate is far from second pulling plate
One end be provided with limit elastic component, and the telescopic direction and the extending direction phase of first pulling plate of the limit elastic component
Together, the limit elastic component is provided with locating piece close to one end of the first pulling through slot, and described first clamping member is close to institute
The one end for stating fixed plate offers first positioning hole, and the locating piece is arranged in the first positioning hole.
5. overhead line electroscopic device according to claim 4, which is characterized in that the locating piece has crotch structure, institute
Crotch structure is stated to be arranged in the first positioning hole.
6. overhead line electroscopic device according to claim 4, which is characterized in that the limit elastic component is far from described first
One end of through slot is pulled to be provided with fixing piece, the fixing piece is fixedly connected with first pulling plate.
7. overhead line electroscopic device according to claim 1, which is characterized in that it further include inspection module, the inspection mould
Block is for detecting whether electrical verification module has failure, and the inspection module and the electrical verification module are electrically connected, the inspection mould
Block is set in second accommodating space, and the lamp plate includes the first illuminating module and the second illuminating module, first hair
Optical mode group and the electrical verification module are electrically connected, and second illuminating module and the inspection module are electrically connected.
8. according to claim 1 to overhead line electroscopic device described in 7, which is characterized in that the mounting base is additionally provided with protection
Cover, the protective cover are set to the mounting base close to one end of the lamp plate, and are arranged around the periphery of the lamp plate.
9. overhead line electroscopic device according to claim 8, which is characterized in that the section radius of the protective cover is by close
One end of the mounting base is gradually increased to the direction of one end far from the mounting base.
10. overhead line electroscopic device according to claim 8, which is characterized in that further include lampshade, the lampshade with it is described
Mounting base connection, the lampshade are set in the protective cover, and are arranged around the periphery of the lamp plate.
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CN201910578288.3A CN110231544A (en) | 2019-06-28 | 2019-06-28 | Overhead line electroscopic device |
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CN201910578288.3A CN110231544A (en) | 2019-06-28 | 2019-06-28 | Overhead line electroscopic device |
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Cited By (2)
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CN111856123A (en) * | 2020-08-31 | 2020-10-30 | 中国电建集团福建工程有限公司 | Electricity test paster with double check |
CN112332289A (en) * | 2020-11-13 | 2021-02-05 | 广东电网有限责任公司 | Cable maintenance device |
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