CN108333417A - 500kV high voltage ac/dc electroscopes - Google Patents
500kV high voltage ac/dc electroscopes Download PDFInfo
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- CN108333417A CN108333417A CN201810273704.4A CN201810273704A CN108333417A CN 108333417 A CN108333417 A CN 108333417A CN 201810273704 A CN201810273704 A CN 201810273704A CN 108333417 A CN108333417 A CN 108333417A
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- direct current
- electrical verification
- exchange
- verification head
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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
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Abstract
A kind of 500kV high voltage ac/dcs electroscope,Including insulating bar,The vertical cavity through insulating bar upper end there are two being set in insulating bar side by side,Insulating cover lid is on insulating bar upper end,It is respectively arranged with shock-absorbing sleeve in two vertical cavitys,It is respectively arranged with guide sleeve in two shock-absorbing sleeves,Damping elastic piece is equipped between guide sleeve and shock-absorbing sleeve,Damping insulating materials is filled between guide sleeve and shock-absorbing sleeve,Sliding is equipped with high-voltage alternating electrical verification head and high voltage direct current electrical verification head respectively in two guide sleeves,The position that high-voltage alternating electrical verification head and high voltage direct current electrical verification head are corresponded on insulating bar bottom surface is respectively equipped with a through-hole,The position that high-voltage alternating electrical verification head and high voltage direct current electrical verification head upper end are corresponded on insulating bar side wall is respectively equipped with a sliding slot,There are one buttons for sliding dress in two sliding slots,One button inner end is connected with high-voltage alternating electrical verification head upper end,Another button inner end is connected with high voltage direct current electrical verification head upper end,Each resetting spring is connected between button inner end and insulating cover.Suitable for circuit electrical verification.
Description
Technical field
The present invention relates to a kind of high voltage electroscopes, more particularly to a kind of 500kV high voltage ac/dcs electroscope.
Background technology
With the fast development of modernization construction, more and more extra high voltage networks are built, wherein are judged
It is most important for the safety of interruption maintenance operating personnel whether circuit charges, and electroscope is to examine whether circuit and equipment charge
Most important Work tool.But electroscope on the market can only all judge a kind of circuit at present, for example, exchange or direct current whether
Electrification, therefore staff will often carry two kinds of electroscopes, it is inconvenient.
Invention content
The purpose of the invention is to overcome the shortcomings of above-mentioned background technology, a kind of 500kV high voltage ac/dcs electrical verification is provided
Device.
In order to achieve the goal above, a kind of 500kV high voltage ac/dcs electroscope provided by the invention, including high-voltage alternating are tested
Dateline, high voltage direct current electrical verification head, insulating bar and insulating cover, set that there are two the vertical cavitys of exchange being arranged side by side in the insulating bar
With the vertical cavity of direct current, the vertical cavity of the exchange and the vertical cavity of the direct current are described through the upper end of the insulating bar
Insulating cover lid is corresponding respectively in the vertical cavity of the exchange and the vertical cavity of the direct current to pacify on the upper end of the insulating bar
Equipped with exchange shock-absorbing sleeve and direct current shock-absorbing sleeve, the exchange shock-absorbing sleeve with correspondence is equipped with and exchanges respectively in the direct current shock-absorbing sleeve
Electrical verification head guide sleeve and direct current electrical verification head guide sleeve, between the direct current electrical verification head guide sleeve and the direct current shock-absorbing sleeve and institute
It states alternating current head guide sleeve and is respectively equipped with damping elastic piece, the direct current electrical verification head guide sleeve between shock-absorbing sleeve with described exchange
Between the direct current shock-absorbing sleeve and the alternating current head guide sleeve with it is described exchange to be separately filled between shock-absorbing sleeve subtract
Insulating materials is shaken,
Correspondence is slidably mounted on the alternating current respectively for the high-voltage alternating electrical verification head and the high voltage direct current electrical verification head
In head guide sleeve and the direct current electrical verification head guide sleeve, the high-voltage alternating electrical verification head and institute are corresponded on the bottom surface of the insulating bar
The position for stating high voltage direct current electrical verification head is correspondingly provided with can allow the high-voltage alternating electrical verification head and the high voltage direct current electrical verification head respectively
The exchange through-hole and direct current through-hole of stretching correspond to the high-voltage alternating electrical verification head upper end and the height on the side wall of the insulating bar
The position of straightening stream electrical verification head upper end, which is respectively equipped with, exchanges sliding slot and direct current sliding slot, in the exchange sliding slot and the direct current sliding slot
It is corresponding respectively to be slidably fitted with exchange button and direct current button, the inner end of the exchange button and the high-voltage alternating electrical verification head
Upper end is connected, and AC restoration spring is connected between the inner end and the insulating cover of the exchange button, the direct current button
Inner end is connected with the upper end of the high voltage direct current electrical verification head, is connected between the inner end and the insulating cover of the direct current button straight
Flow resetting spring.
By the way that high-voltage alternating electrical verification head and high voltage direct current electrical verification head to be installed in insulating bar simultaneously, such staff is only
An electroscope, which need to be carried, can examine high-voltage alternating circuit and examine hvdc transmission line；Meanwhile exchange button and
Direct current button and the mutual cooperation of AC restoration spring and DC reset spring facilitate high-voltage alternating electrical verification head and high voltage direct current
Electrical verification head extends and retracts, and so that high-voltage alternating electrical verification head and high voltage direct current electrical verification head is only stretched out when in use, to protect
High-voltage alternating electrical verification head and high voltage direct current electrical verification head, improve service life；Moreover, the alternating current head guide sleeve added and straight
Stream electrical verification head guide sleeve keeps extending and retracting for high-voltage alternating electrical verification head and high voltage direct current electrical verification head more smooth, also reduces high pressure
The abrasion of alternating current head and high voltage direct current electrical verification head；Again and, the exchange shock-absorbing sleeve and direct current shock-absorbing sleeve and shock absorbing resilient added
The mutual cooperation of part can reduce the vibrations of high-voltage alternating electrical verification head and high voltage direct current electrical verification head, to high-voltage alternating electrical verification head and height
Straightening stream electrical verification head plays the role of further protecting, to further increase service life；In addition, the damping added is exhausted
Edge material can not only further play cushioning effect, and can also play insulating effect, improve safety, then and can also rise
The effect covered to fixed guide；Finally, on the one hand the insulating cover added can play a protective role to internal structure, on the other hand also
Installation point is provided for AC restoration spring and DC reset spring, another further aspect facilitates the maintenance and replacement of internal structure.
In the above scheme, the exchange button includes exchanging button ontology and exchanging slide bar, the exchange sliding bar
In the exchange sliding slot, the outer end of the exchange slide bar is connected with the button ontology that exchanges, the exchange slide bar
Inner end bottom surface exchanges protrusion circle equipped with first for being connected with the high-voltage alternating electrical verification head upper end, the exchange slide bar
Inner end top surface exchanges protrusion equipped with second for being connected with the AC restoration spring and encloses, on the high-voltage alternating electrical verification head
End is mounted in the first exchange protrusion circle, and the AC restoration lower spring end is mounted in the second exchange protrusion circle,
The AC restoration spring upper end is connected with the bottom surface of the insulating cover；
The direct current button includes direct current button ontology and direct current slide bar, and the direct current sliding bar is mounted on the direct current
In sliding slot, the outer end of the direct current slide bar is connected with the direct current button ontology, and the inner end bottom surface of the direct current slide bar is equipped with
The first direct current protrusion circle for being connected with the high voltage direct current electrical verification head upper end, the inner end top surface of the direct current slide bar is equipped with
The second direct current protrusion circle for being connected with the DC reset spring, the high voltage direct current electrical verification head upper end are mounted on described the
In one direct current protrusion circle, the DC reset lower spring end is mounted in the second direct current protrusion circle, the DC reset bullet
Spring upper end is connected with the bottom surface of the insulating cover.
By adding on the inner end top and bottom of slide bar a protrusion circle respectively so that it is convenient to electrical verification head and reset
The installation of spring.
In the above scheme, the exchange slide bar is equipped with exchange guide clamping portion, the exchange guide clamping portion and institute
State the side wall both sides that exchange button ontology is installed in the insulating bar；
The direct current slide bar is equipped with direct current guide clamping portion, direct current guide clamping portion and the direct current button ontology
It is installed in the side wall both sides of the insulating bar.
By adding guide clamping portion on slide bar, and guide clamping portion is made to be installed in the side wall of insulating bar with button ontology
On the one hand both sides can play guiding role to the sliding of insulating bar in this way, on the other hand can prevent insulating bar from deviating from.
In the above scheme, divide on the lateral wall of the exchange button ontology and on the lateral wall of the direct current button ontology
Not She You anti-skid chequer, the exchange button ontology is different from the color of direct current button ontology.By in the outer of button ontology
Anti-skid chequer is added on side wall so that it is convenient to staff operation；Meanwhile by the way that button ontology and direct current button ontology will be exchanged
It is designed to different colours, staff can be facilitated to distinguish high-voltage alternating electrical verification head and high voltage direct current electrical verification head in this way.
In the above scheme, the lower end of the high-voltage alternating electrical verification head be pyramidal structure, it is described exchange through-hole diameter with
The diameter at the middle part of the pyramidal structure of the high-voltage alternating electrical verification head lower end matches；
The lower end of the high voltage direct current electrical verification head is pyramidal structure, and diameter and the high voltage direct current of the direct current through-hole are tested
The diameter at the middle part of the pyramidal structure of dateline lower end matches.
By the way that the lower end of electrical verification head is designed as pyramidal structure, and by the diameter design of through-hole at the middle part with pyramidal structure
Diameter match, can prevent in this way electrical verification head from through hole deviate from.
In the above scheme, when the exchange button slides into the extreme lower position of the exchange sliding slot, the high-voltage alternating is tested
At least half length of the pyramidal structure of dateline lower end stretches out the exchange through-hole；
When the direct current button slides into the extreme lower position of the direct current sliding slot, the taper of the high voltage direct current electrical verification head lower end
At least half length of structure stretches out the direct current through-hole.
By designing when button slides into the extreme lower position of sliding slot, at least half length of the pyramidal structure of electrical verification head lower end
Through-hole is stretched out, can ensure the normal electrical verification of electrical verification head in this way.
In the above scheme, the damping elastic piece at the exchange shock-absorbing sleeve is along the axial equal of the exchange shock-absorbing sleeve
If even be equipped with dried layer, every layer of the damping elastic piece is evenly arranged along the circumferencial direction of the exchange shock-absorbing sleeve；
If the damping elastic piece at the direct current shock-absorbing sleeve is uniformly provided with dried layer along the axial direction of the direct current shock-absorbing sleeve,
Every layer of the damping elastic piece is evenly arranged along the circumferencial direction of the direct current shock-absorbing sleeve.
If by the way that damping elastic piece is uniformly provided with dried layer along the axial direction of shock-absorbing sleeve, and every layer of damping elastic piece is along damping
The circumferencial direction of set is evenly arranged, and can further improve damping effect in this way.
In the above scheme, the damping elastic piece is damping spring, and insulating materials is coated with outside the damping spring.Pass through
Insulating materials is applied outside damping spring, can ensure that the electrical verification safety of staff in this way.
In the above scheme, the damping insulating materials is shockproof foam.Certainly other damping insulating materials can also be used.
In the above scheme, insulating materials is coated on the inner wall of the insulating bar, the outer wall of the insulating bar, which is equipped with, to be prevented
Sliding rubber layer.By applying insulating materials on the inner wall of insulating bar, the electrical verification safety of staff can ensure that in this way；Meanwhile it is logical
It crosses on the outer wall of insulating bar and adds anti-slip rubber layer so that it is convenient to staff operation.
The advantageous effect that technical scheme of the present invention is brought is：
1, by the way that high-voltage alternating electrical verification head and high voltage direct current electrical verification head to be installed in insulating bar simultaneously, such staff
An electroscope, which only need to be carried, can examine high-voltage alternating circuit and examine hvdc transmission line；
2, button and direct current button are exchanged and the mutual cooperation of AC restoration spring and DC reset spring facilitates high pressure
Alternating current head and high voltage direct current electrical verification head extend and retract, and high-voltage alternating electrical verification head and high voltage direct current electrical verification head is made only to make
Used time stretches out, and to protect high-voltage alternating electrical verification head and high voltage direct current electrical verification head, improves service life；
3, the alternating current head guide sleeve and direct current electrical verification head guide sleeve added makes high-voltage alternating electrical verification head and high voltage direct current
Extending and retracting for electrical verification head is more smooth, also reduces the abrasion of high-voltage alternating electrical verification head and high voltage direct current electrical verification head；
4, the mutual cooperation of the exchange shock-absorbing sleeve and direct current shock-absorbing sleeve and damping elastic piece that add, can reduce high-voltage alternating and test
The vibrations of dateline and high voltage direct current electrical verification head are played to high-voltage alternating electrical verification head and high voltage direct current electrical verification head and further protect work
With to further increase service life；
5, the damping insulating materials added can not only further play cushioning effect, and can also play insulating effect,
Safety is improved, then and fixed guide set can also be played the role of；
6, on the one hand the insulating cover added can play a protective role to internal structure, be on the other hand also AC restoration spring
Installation point is provided with DC reset spring, another further aspect facilitates the maintenance and replacement of internal structure；
7, by adding on the inner end top and bottom of slide bar a protrusion circle respectively so that it is convenient to electrical verification head and multiple
The installation of position spring；
8, by adding guide clamping portion on slide bar, and guide clamping portion is made to be installed in the side of insulating bar with button ontology
On the one hand wall both sides can play guiding role to the sliding of insulating bar in this way, on the other hand can prevent insulating bar from deviating from；
9, by the lateral wall of button ontology adding anti-skid chequer so that it is convenient to staff's operation；
10, by the way that button ontology and direct current button body design will be exchanged into different colours, staff can be facilitated in this way
Distinguish high-voltage alternating electrical verification head and high voltage direct current electrical verification head；
11, by the way that the lower end of electrical verification head is designed as pyramidal structure, and by the diameter design of through-hole at pyramidal structure
The diameter at middle part matches, and can prevent electrical verification head from deviating from from through hole in this way；
12, by designing when button slides into the extreme lower position of sliding slot, at least half of the pyramidal structure of electrical verification head lower end
Length stretches out through-hole, can ensure the normal electrical verification of electrical verification head in this way；
13, by the way that if damping elastic piece is uniformly provided with dried layer, and every layer of damping elastic piece edge along the axial direction of shock-absorbing sleeve
The circumferencial direction of shock-absorbing sleeve is evenly arranged, and can further improve damping effect in this way；
14, by applying insulating materials outside damping spring, it can ensure that the electrical verification safety of staff in this way；
15, by applying insulating materials on the inner wall of insulating bar, it can ensure that the electrical verification safety of staff in this way；
16, by adding anti-slip rubber layer on the outer wall of insulating bar so that it is convenient to staff operation.
Description of the drawings
Fig. 1 is the original state structural schematic diagram of the present invention；
Fig. 2 is the electrical verification status architecture schematic diagram of the present invention.
In figure：High-voltage alternating electrical verification head 1, high voltage direct current electrical verification head 2, insulating bar 3 exchange vertical cavity 3a, and direct current is vertical
Cavity 3b exchanges through-hole 3c, direct current through-hole 3d, exchanges sliding slot 3e, direct current sliding slot 3f, and insulating cover 4 exchanges shock-absorbing sleeve 5, and direct current subtracts
Shake set 6, alternating current head guide sleeve 7, direct current electrical verification head guide sleeve 8, damping elastic piece 9, damping insulating materials 10 exchange button
11, button ontology 11a is exchanged, exchange slide bar 11b, the first exchange protrusion circle 11c, the second exchange protrusion circle 11d exchange guide clip
Hold portion 11e, direct current button 12, direct current button ontology 12a, direct current slide bar 12b, the first direct current protrusion circle 12c, the second direct current protrusion
Enclose 12d, direct current guide clamping portion 12e, AC restoration spring 13, DC reset spring 14.
Specific implementation mode
The present invention is described in further detail with reference to the accompanying drawings and embodiments, but the embodiment should not be construed as pair
The limitation of the present invention.
Embodiment：
Present embodiments provide a kind of 500kV high voltage ac/dcs electroscope, including high-voltage alternating electrical verification head 1, high voltage direct current
Electrical verification head 2, insulating bar 3 and insulating cover 4, set that there are two the vertical cavity 3a of exchange and direct current being arranged side by side in the insulating bar 3
Vertical cavity 3b, the exchange vertical cavity 3a and vertical cavity 3b of the direct current run through the upper end of the insulating bar 3, described
For the lid of insulating cover 4 on the upper end of the insulating bar 3, the vertical cavity 3a of the exchange and the vertical cavity 3b of the direct current are interior respectively
It is corresponding that exchange shock-absorbing sleeve 5 and direct current shock-absorbing sleeve 6 are installed, it is corresponded to respectively in the exchange shock-absorbing sleeve 5 and the direct current shock-absorbing sleeve 6
Alternating current head guide sleeve 7 and direct current electrical verification head guide sleeve 8 are installed, the direct current electrical verification head guide sleeve 8 subtracts with the direct current
Between shake set 6 and the alternating current head guide sleeve 7 is respectively equipped with damping elastic piece 9, institute between shock-absorbing sleeve 5 with described exchange
It states between direct current electrical verification head guide sleeve 8 and the direct current shock-absorbing sleeve 6 and the alternating current head guide sleeve 7 subtracts with described exchange
It is separately filled with damping insulating materials 10 between shake set 5, the high-voltage alternating electrical verification head 1 and the high voltage direct current electrical verification head 2 divide
It Dui Ying not be slidably mounted in the alternating current head guide sleeve 7 and the direct current electrical verification head guide sleeve 8, the insulating bar 3
Corresponded on bottom surface the high-voltage alternating electrical verification head 1 and the high voltage direct current electrical verification head 2 position be correspondingly provided with respectively can allow it is described
High-voltage alternating electrical verification head 1 exchanges through-hole 3c and direct current through-hole 3d, the insulating bar 3 with what the high voltage direct current electrical verification head 2 stretched out
Side wall on correspond to 1 upper end of high-voltage alternating electrical verification head and the position of 2 upper end of high voltage direct current electrical verification head and be respectively equipped with friendship
Fluent slot 3e and direct current sliding slot 3f, the exchange sliding slot 3e in the direct current sliding slot 3f respectively it is corresponding be slidably fitted with exchange by
The inner end of button 11 and direct current button 12, the exchange button 11 is connected with the upper end of the high-voltage alternating electrical verification head 1, the exchange
Be connected with AC restoration spring 13 between the inner end of button 11 and the insulating cover 4, the inner end of the direct current button 12 with it is described
The upper end of high voltage direct current electrical verification head 2 is connected, and DC reset is connected between the inner end and the insulating cover 4 of the direct current button 12
Spring 14.When original state, 1 lower end of high-voltage alternating electrical verification head and 2 lower end of high voltage direct current electrical verification head are positioned at described exhausted
In edge bar 3.
By the way that high-voltage alternating electrical verification head 1 and high voltage direct current electrical verification head 2 to be installed in insulating bar 3 simultaneously, work people in this way
Member only need to carry an electroscope and can examine high-voltage alternating circuit and examine hvdc transmission line；Meanwhile exchange is pressed
Button 11 and direct current button 12 and the mutual cooperation of AC restoration spring 13 and DC reset spring 14 facilitate high-voltage alternating electrical verification
First 1 and high voltage direct current electrical verification head 2 extend and retract, make high-voltage alternating electrical verification head 1 and high voltage direct current electrical verification head 2 only when in use
It stretches out, to protect high-voltage alternating electrical verification head 1 and high voltage direct current electrical verification head 2, improves service life；Moreover, the friendship added
Stream electrical verification head guide sleeve 7 and direct current electrical verification head guide sleeve 8 make the stretching of high-voltage alternating electrical verification head 1 and high voltage direct current electrical verification head 2 and
It retracts more smooth, also reduces the abrasion of high-voltage alternating electrical verification head 1 and high voltage direct current electrical verification head 2；Again and, the exchange damping added
The mutual cooperation of set 5 and direct current shock-absorbing sleeve 6 and damping elastic piece 9, can reduce high-voltage alternating electrical verification head 1 and high voltage direct current electrical verification head
2 vibrations are played the role of further protecting to high-voltage alternating electrical verification head 1 and high voltage direct current electrical verification head 2, to further carry
High service life；In addition, the damping insulating materials 10 added can not only further play cushioning effect, and can also play
Insulating effect improves safety, then and can also play the role of fixed guide set；Finally, on the one hand the insulating cover 4 added can
It plays a protective role to internal structure, is on the other hand also that AC restoration spring 13 and DC reset spring 14 provide installation
Point, another further aspect facilitate the maintenance and replacement of internal structure.
Above-mentioned exchange button 11 includes that exchange button ontology 11a pacifies with slide bar 11b, the exchange slide bar 11b slidings is exchanged
In the exchange sliding slot 3e, the outer end of the exchange slide bar 11b is connected with the button ontology 11a that exchanges, the exchange
The inner end bottom surface of slide bar 11b exchanges protrusion circle 11c equipped with first for being connected with 1 upper end of high-voltage alternating electrical verification head,
The inner end top surface of the exchange slide bar 11b exchanges protrusion circle equipped with second for being connected with the AC restoration spring 13
11d, 1 upper end of high-voltage alternating electrical verification head is mounted in the first exchange protrusion circle 11c, under the AC restoration spring 13
End is mounted in the second exchange protrusion circle 11d, the bottom surface phase of 13 upper end of AC restoration spring and the insulating cover 4
Even；The direct current button 12 includes that direct current button ontology 12a and direct current slide bar 12b, the direct current slide bar 12b are slidably mounted on institute
It states in direct current sliding slot 3f, the outer end of the direct current slide bar 12b is connected with the direct current button ontology 12a, the direct current slide bar 12b
Inner end bottom surface be equipped with the first direct current protrusion circle 12c for being connected with 2 upper end of high voltage direct current electrical verification head, the direct current
The inner end top surface of slide bar 12b is equipped with the second direct current protrusion circle 12d for being connected with the DC reset spring 14, the height
2 upper end of straightening stream electrical verification head is mounted in the first direct current protrusion circle 12c, and 14 lower end of DC reset spring is mounted on institute
It states in the second direct current protrusion circle 12d, 14 upper end of DC reset spring is connected with the bottom surface of the insulating cover 4.By in cunning
A protrusion circle is added on the inner end top and bottom of bar respectively so that it is convenient to the installation of electrical verification head and resetting spring.
Above-mentioned exchange slide bar 11b is equipped with exchange guide clamping portion 11e, the exchange guide clamping portion 11e and the friendship
Stream button ontology 11a is installed in the side wall both sides of the insulating bar 3；The direct current slide bar 12b is equipped with direct current guide clamping portion
12e, direct current guide clamping portion 12e are installed in the side wall both sides of the insulating bar 3 with the direct current button ontology 12a.It is logical
It crosses and adds guide clamping portion on slide bar, and guide clamping portion is made to be installed in the side wall both sides of insulating bar 3 with button ontology, in this way
On the one hand guiding role can be played to the sliding of insulating bar 3, on the other hand can prevents insulating bar 3 from deviating from.The exchange button sheet
On the lateral wall of body 11a and it is respectively equipped with anti-skid chequer, the exchange button ontology on the lateral wall of the direct current button ontology 12a
11a is different from the color of direct current button ontology 12a.By adding anti-skid chequer on the lateral wall of button ontology, this sample prescription
Staff operation；Meanwhile being designed to different colours by the way that button ontology 11a and direct current button ontology 12a will be exchanged, this
Sample can facilitate staff to distinguish high-voltage alternating electrical verification head 1 and high voltage direct current electrical verification head 2.
The lower end of above-mentioned high-voltage alternating electrical verification head 1 is pyramidal structure, and the diameter of the exchange through-hole 3c is handed over the high pressure
The diameter at the middle part of the pyramidal structure of 1 lower end of stream electrical verification head matches；The lower end of the high voltage direct current electrical verification head 2 is taper knot
Structure, the diameter of the direct current through-hole 3d are matched with the diameter at the middle part of the pyramidal structure of 2 lower end of high voltage direct current electrical verification head.
By the way that the lower end of electrical verification head is designed as pyramidal structure, and by the diameter design of through-hole at the diameter phase at the middle part with pyramidal structure
Cooperation can prevent electrical verification head from deviating from from through hole in this way.The exchange button 11 slides into the extreme lower position of the exchange sliding slot 3e
When, at least half length of the pyramidal structure of 1 lower end of high-voltage alternating electrical verification head stretches out the exchange through-hole 3c；The direct current
When button 12 slides into the extreme lower position of the direct current sliding slot 3f, the pyramidal structure of 2 lower end of high voltage direct current electrical verification head is at least
Half length stretches out the direct current through-hole 3d.By designing when button slides into the extreme lower position of sliding slot, the cone of electrical verification head lower end
At least half length of shape structure stretches out through-hole, can ensure the normal electrical verification of electrical verification head in this way.
The damping elastic piece 9 at above-mentioned exchange shock-absorbing sleeve 5 is uniformly provided with several along the axial direction of the exchange shock-absorbing sleeve 5
Layer, every layer of the damping elastic piece 9 are evenly arranged along the circumferencial direction of the exchange shock-absorbing sleeve 5；At the direct current shock-absorbing sleeve 6
If the damping elastic piece 9 be uniformly provided with dried layer, every layer of the damping elastic piece 9 along the axial direction of the direct current shock-absorbing sleeve 6
Circumferencial direction along the direct current shock-absorbing sleeve 6 is evenly arranged.It is uniformly provided with by the axial direction by damping elastic piece 9 along shock-absorbing sleeve 6
If dried layer, and every layer of damping elastic piece 9 is evenly arranged along the circumferencial direction of shock-absorbing sleeve 6, can further improve damping in this way
Effect.The damping elastic piece 9 is damping spring, and insulating materials is coated with outside the damping spring.By being applied outside damping spring
Insulating materials can ensure that the electrical verification safety of staff in this way.The damping insulating materials 10 is shockproof foam.Certainly it can also adopt
With other damping insulating materials.Insulating materials is coated on the inner wall of the insulating bar 3, the outer wall of the insulating bar 3, which is equipped with, to be prevented
Sliding rubber layer.By applying insulating materials on the inner wall of insulating bar 3, the electrical verification safety of staff can ensure that in this way；Meanwhile it is logical
It crosses on the outer wall of insulating bar 3 and adds anti-slip rubber layer so that it is convenient to staff operation.
The present embodiment by the way that high-voltage alternating electrical verification head 1 and high voltage direct current electrical verification head 2 are installed in insulating bar 3 simultaneously, this
Sample staff need to only carry an electroscope and can examine high-voltage alternating circuit and examine hvdc transmission line；It hands over
Stream button 11 and direct current button 12 and the mutual cooperation of AC restoration spring 13 and DC reset spring 14 facilitate high-voltage alternating
Extending and retracting for electrical verification head 1 and high voltage direct current electrical verification head 2, makes high-voltage alternating electrical verification head 1 and high voltage direct current electrical verification head 2 only make
Used time stretches out, and to protect high-voltage alternating electrical verification head 1 and high voltage direct current electrical verification head 2, improves service life；The exchange added
Electrical verification head guide sleeve 7 and direct current electrical verification head guide sleeve 8 make the stretching and contracting of high-voltage alternating electrical verification head 1 and high voltage direct current electrical verification head 2
Return it is more smooth, also reduce the abrasion of high-voltage alternating electrical verification head 1 and high voltage direct current electrical verification head 2；The exchange shock-absorbing sleeve 5 that adds and straight
The mutual cooperation for flowing shock-absorbing sleeve 6 and damping elastic piece 9, can reduce the shake of high-voltage alternating electrical verification head 1 and high voltage direct current electrical verification head 2
It is dynamic, play the role of further protecting to high-voltage alternating electrical verification head 1 and high voltage direct current electrical verification head 2, to further increase
Service life；The damping insulating materials 10 added can not only further play cushioning effect, and can also play insulating effect,
Safety is improved, then and fixed guide set can also be played the role of；On the one hand the insulating cover 4 added can play internal structure
On the other hand protective effect is also that AC restoration spring 13 and DC reset spring 14 provide installation point, another further aspect is convenient
The maintenance and replacement of internal structure.
In addition, by adding on the inner end top and bottom of slide bar a protrusion circle respectively so that it is convenient to electrical verification head
With the installation of resetting spring；By adding guide clamping portion on slide bar, and guide clamping portion is made to be installed in absolutely with button ontology
On the one hand the side wall both sides of edge bar 3 can play guiding role to the sliding of insulating bar 3 in this way, on the other hand can prevent insulating bar 3
Abjection；By on the lateral wall of button ontology adding anti-skid chequer so that it is convenient to staff's operation；By the way that button will be exchanged
Ontology 11a and direct current button ontology 12a is designed to different colours, and staff can be facilitated to distinguish high-voltage alternating electrical verification head 1 in this way
With high voltage direct current electrical verification head 2.
Finally, by the way that the lower end of electrical verification head is designed as pyramidal structure, and by the diameter design of through-hole at pyramidal structure
The diameter at middle part match, can prevent electrical verification head from deviating from from through hole in this way；By design when button slides into the minimum of sliding slot
When position, at least half length of the pyramidal structure of electrical verification head lower end stretches out through-hole, can ensure the normal electrical verification of electrical verification head in this way；It is logical
Damping elastic piece 9 is uniformly provided with dried layer along the axial direction of shock-absorbing sleeve 6 if crossing, and every layer damping elastic piece 9 along shock-absorbing sleeve 6 circle
Circumferential direction is evenly arranged, and can further improve damping effect in this way；It, in this way can be really by applying insulating materials outside damping spring
Protect the electrical verification safety of staff；By applying insulating materials on the inner wall of insulating bar 3, the electrical verification of staff can ensure that in this way
Safety；By on the outer wall of insulating bar 3 adding anti-slip rubber layer so that it is convenient to staff's operation.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of 500kV high voltage ac/dcs electroscope, including high-voltage alternating electrical verification head (1), which is characterized in that further include high straightening
Flow electrical verification head (2), insulating bar (3) and insulating cover (4), set in the insulating bar (3) there are two the exchange that is arranged side by side it is empty vertically
Chamber (3a) and the vertical cavity of direct current (3b), the vertical cavity (3a) of the exchange and the vertical cavity of the direct current (3b) run through described
The upper end of insulating bar (3), insulating cover (4) lid is on the upper end of the insulating bar (3), the vertical cavity (3a) of exchange
Shock-absorbing sleeve (5) and direct current shock-absorbing sleeve (6) are exchanged with corresponding to be equipped with respectively in the vertical cavity of the direct current (3b), the exchange subtracts
It is corresponding respectively in shake set (5) and the direct current shock-absorbing sleeve (6) that alternating current head guide sleeve (7) and direct current electrical verification head guiding are installed
It covers (8), between the direct current electrical verification head guide sleeve (8) and the direct current shock-absorbing sleeve (6) and the alternating current head guide sleeve
(7) damping elastic piece (9) is respectively equipped between shock-absorbing sleeve (5) with described exchange, the direct current electrical verification head guide sleeve (8) with it is described
Between direct current shock-absorbing sleeve (6) and the alternating current head guide sleeve (7) is separately filled with described exchange between shock-absorbing sleeve (5)
Damping insulating materials (10),
The high-voltage alternating electrical verification head (1) and the high voltage direct current electrical verification head (2) are corresponding respectively to be slidably mounted on described exchange and tests
In dateline guide sleeve (7) and the direct current electrical verification head guide sleeve (8), the high pressure is corresponded on the bottom surface of the insulating bar (3) and is handed over
The position of stream electrical verification head (1) and the high voltage direct current electrical verification head (2) is correspondingly provided with respectively can allow the high-voltage alternating electrical verification head (1)
Through-hole (3c) and direct current through-hole (3d) are exchanged with what the high voltage direct current electrical verification head (2) was stretched out, on the side wall of the insulating bar (3)
The corresponding high-voltage alternating electrical verification head (1) upper end is respectively equipped with the position of high voltage direct current electrical verification head (2) upper end exchanges cunning
Correspondence is slidably fitted with friendship respectively in slot (3e) and direct current sliding slot (3f), the exchange sliding slot (3e) and the direct current sliding slot (3f)
Flow button (11) and direct current button (12), the upper end of the inner end and the high-voltage alternating electrical verification head (1) of the exchange button (11)
It is connected, AC restoration spring (13), the direct current is connected between the inner end and the insulating cover (4) of the exchange button (11)
The inner end of button (12) is connected with the upper end of the high voltage direct current electrical verification head (2), the inner end of the direct current button (12) with it is described
DC reset spring (14) is connected between insulating cover (4).
2. 500kV high voltage ac/dcs electroscope as described in claim 1, which is characterized in that the exchange button (11) includes
Exchange button ontology (11a) is slidably mounted on the exchange sliding slot (3e) with slide bar (11b), the exchange slide bar (11b) is exchanged
Interior, the outer end of the exchange slide bar (11b) is connected with the button ontology (11a) that exchanges, the inner end of the exchange slide bar (11b)
Bottom surface exchanges protrusion circle (11c) equipped with first for being connected with high-voltage alternating electrical verification head (1) upper end, and the exchange is slided
The inner end top surface of bar (11b) exchanges protrusion circle (11d), institute equipped with second for being connected with the AC restoration spring (13)
It states high-voltage alternating electrical verification head (1) upper end to be mounted in the first exchange protrusion circle (11c), under the AC restoration spring (13)
End is mounted in the second exchange protrusion circle (11d), the bottom of AC restoration spring (13) upper end and the insulating cover (4)
Face is connected；
The direct current button (12) includes direct current button ontology (12a) and direct current slide bar (12b), and the direct current slide bar (12b) is sliding
It is dynamic to be mounted in the direct current sliding slot (3f), the outer end of the direct current slide bar (12b) and direct current button ontology (12a) phase
Even, the inner end bottom surface of the direct current slide bar (12b) is equipped with first for being connected with high voltage direct current electrical verification head (2) upper end
Direct current protrusion circle (12c), the inner end top surface of the direct current slide bar (12b) be equipped with for DC reset spring (14) phase
The second direct current protrusion circle (12d) even, high voltage direct current electrical verification head (2) upper end are mounted on the first direct current protrusion circle
In (12c), DC reset spring (14) lower end is mounted in the second direct current protrusion circle (12d), the DC reset
Spring (14) upper end is connected with the bottom surface of the insulating cover (4).
3. 500kV high voltage ac/dcs electroscope as claimed in claim 2, which is characterized in that set on the exchange slide bar (11b)
There are exchange guide clamping portion (11e), the exchange guide clamping portion (11e) to be installed in institute with the button ontology (11a) that exchanges
State the side wall both sides of insulating bar (3)；
The direct current slide bar (12b) be equipped with direct current guide clamping portion (12e), direct current guide clamping portion (12e) with it is described
Direct current button ontology (12a) is installed in the side wall both sides of the insulating bar (3).
4. 500kV high voltage ac/dcs electroscope as claimed in claim 2, which is characterized in that the exchange button ontology (11a)
Lateral wall on and the direct current button ontology (12a) lateral wall on be respectively equipped with anti-skid chequer, the exchange button ontology
(11a) is different from the color of direct current button ontology (12a).
5. 500kV high voltage ac/dcs electroscope as described in claim 1, which is characterized in that the high-voltage alternating electrical verification head (1)
Lower end be pyramidal structure, it is described exchange through-hole (3c) diameter and high-voltage alternating electrical verification head (1) lower end pyramidal structure
The diameter at middle part match；
The lower end of the high voltage direct current electrical verification head (2) is pyramidal structure, diameter and the high straightening of the direct current through-hole (3d)
The diameter for flowing the middle part of the pyramidal structure of electrical verification head (2) lower end matches.
6. 500kV high voltage ac/dcs electroscope as claimed in claim 5, which is characterized in that the exchange button (11) slides into
When the extreme lower position of the exchange sliding slot (3e), at least half of the pyramidal structure of high-voltage alternating electrical verification head (1) lower end is long
Degree stretches out the exchange through-hole (3c)；
When the direct current button (12) slides into the extreme lower position of the direct current sliding slot (3f), under the high voltage direct current electrical verification head (2)
At least half length of the pyramidal structure at end stretches out the direct current through-hole (3d).
7. 500kV high voltage ac/dcs electroscope as described in claim 1, which is characterized in that at the exchange shock-absorbing sleeve (5)
The damping elastic piece (9) along it is described exchange shock-absorbing sleeve (5) if axial direction be uniformly provided with dried layer, every layer of the damping elastic piece
(9) circumferencial direction along the exchange shock-absorbing sleeve (5) is evenly arranged；
The damping elastic piece (9) at the direct current shock-absorbing sleeve (6) along the direct current shock-absorbing sleeve (6) if axial direction be uniformly provided with
Dried layer, every layer of the damping elastic piece (9) are evenly arranged along the circumferencial direction of the direct current shock-absorbing sleeve (6).
8. 500kV high voltage ac/dcs electroscope as described in claim 1, which is characterized in that the damping elastic piece (9) is to subtract
Spring is shaken, insulating materials is coated with outside the damping spring.
9. 500kV high voltage ac/dcs electroscope as described in claim 1, which is characterized in that the damping insulating materials (10)
For shockproof foam.
10. 500kV high voltage ac/dcs electroscope as described in claim 1, which is characterized in that the inner wall of the insulating bar (3)
On be coated with insulating materials, the outer wall of the insulating bar (3) is equipped with anti-slip rubber layer.
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| CN201810273704.4A CN108333417B (en) | 2018-03-29 | 2018-03-29 | 500kV high-voltage AC/DC electroscope |
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| CN201810273704.4A CN108333417B (en) | 2018-03-29 | 2018-03-29 | 500kV high-voltage AC/DC electroscope |
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| CN108333417B CN108333417B (en) | 2019-12-27 |
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| CN1044711A (en) * | 1989-01-31 | 1990-08-15 | 上海电力设计研究所 | Ultrahigh voltage AC and DC electroscopic device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108333417B (en) | 2019-12-27 |
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