CN207895026U - A kind of insulation tube edge flashing test tool - Google Patents
A kind of insulation tube edge flashing test tool Download PDFInfo
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- CN207895026U CN207895026U CN201721875595.0U CN201721875595U CN207895026U CN 207895026 U CN207895026 U CN 207895026U CN 201721875595 U CN201721875595 U CN 201721875595U CN 207895026 U CN207895026 U CN 207895026U
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Abstract
The utility model discloses a kind of insulation tube edge flashing test tool, including glass outer, upper sealing plate, lower sealing plate, upper flange and lower flange, upper sealing plate is fixed on one end of glass outer by upper flange, lower sealing plate is fixed on the other end of glass outer by lower flange, high-field electrode is fixed on upper sealing plate, it is fixed with grounding electrode on lower sealing plate, insulation tube is fixed between high-field electrode and grounding electrode, the groove of accommodating thermal control material is formed on high-field electrode and/or grounding electrode, upper sealing plate and/or lower sealing plate are equipped with inflation valve port.The test tool can control multiple variables simultaneously, be more nearly actual operating mode.
Description
Technical field
The utility model is related to a kind of testing equipment field, specifically a kind of insulation tube edge flashing test tool.
Background technology
For inflatable composite post insulator, when internal cavity surface temperature drops to dew-point temperature or less, cavity
Inner surface can form droplet, this phenomenon is known as condensation.If producing condensation in housing surface, droplet can downward shape by gravity
At penetrating via, the dry arcing distance of support insulator interior insulation is substantially reduced, if dry arcing distance needs when being less than equipment normal operation
The insulator distance wanted, insulator breakdown will cause the power failure of substation.
Therefore the anti-dewing ability for improving inflatable composite post insulator inner cavity entirety, avoids it that edge flashing occurs,
Enhance support insulator reliability of operation, is the critical issue for being badly in need of solving.And how to monitor inside hollow combined insulator
The formation of cavity condensation and its influence to internal cavity edge flashing voltage are to solve this very corn of a subject technology.
The test tool of composite material surface edge flashing at this stage can only mostly control unitary variant, and testing equipment is only
Around such as pressure, temperature etc., these factors carry out single control, have a long way to go with the practical application operating mode of equipment.Meanwhile existing rank
Section mostly uses greatly the edge flashing research of composite material the edge flashing voltage that the method tested test piece measures test piece,
It is unable to the dispersibility of Control experiment result.
Utility model content
In view of the deficiencies of the prior art, the purpose of this utility model is to provide a kind of insulation tube edge flashing test tool,
The test tool can control multiple variables simultaneously, be more nearly actual operating mode.
To realize above-mentioned purpose of utility model, technological means is as follows used by the utility model：A kind of insulation tube is along face
Flashover test tooling, including glass outer, upper sealing plate, lower sealing plate, upper flange and lower flange, upper sealing plate are fixed on by upper flange
One end of glass outer, lower sealing plate are fixed on the other end of glass outer by lower flange, high-field electrode are fixed on upper sealing plate,
It is fixed with grounding electrode on lower sealing plate, insulation tube, high-field electrode and/or ground connection electricity are fixed between high-field electrode and grounding electrode
The groove of accommodating thermal control material is formed on extremely, upper sealing plate and/or lower sealing plate are equipped with inflation valve port.
The groove for housing thermal control material is arranged on high-field electrode and/or grounding electrode, can control for above-mentioned test tool
Temperature in test tool；It is equipped with inflation valve port on upper sealing plate and/or lower sealing plate, the gas needed for experiment can be filled with, with
Humidity in Control experiment tooling and air pressure make experimental enviroment more adjunction to which test tool can control multiple variables simultaneously
Nearly actual operating mode.
Wherein, window is offered on the side wall of above-mentioned insulation tube.
Above-mentioned window is convenient for the creeping discharge phenomenon of directly observation insulation inside pipe wall.
Wherein, above-mentioned thermal control material is dry ice.
Using dry ice as thermal control material, low temperature environment can be manufactured rapidly in experimental rig.
Wherein, lower sealing plate seal groove is provided on the end face that above-mentioned lower sealing plate is contacted with above-mentioned grounding electrode.
Above-mentioned lower sealing plate seal groove makes the connection sealing effect of lower sealing plate and grounding electrode more preferably.
Wherein, upper flange seal groove is provided on the end face that above-mentioned upper flange is contacted with above-mentioned sealing plate.
Above-mentioned upper flange seal groove makes the connection sealing effect of upper flange and upper sealing plate more preferably.
Wherein, the dry high pure nitrogen of filling in above-mentioned test tool.
Dry high pure nitrogen can form air pressure and humidity needed for experiment in above-mentioned test tool.
Wherein, the saturated air that filling moistens in above-mentioned test fixture.
The saturated air of moistening can form air pressure and humidity needed for experiment in above-mentioned test tool.
Wherein, above-mentioned grounding electrode is in convex, and above-mentioned insulative pipe sleeve is located on above-mentioned grounding electrode.
Wherein, above-mentioned insulative pipe sleeve is located on above-mentioned high-field electrode.
The both ends of above-mentioned insulation tube are set on grounding electrode and high-field electrode, ensure that electric field is formed in inside insulation tube,
To the edge flashing situation of the inside of analog insulation pipe.
Wherein, connecting seat is arranged in the outer wall of above-mentioned high-field electrode, and connecting seat is recessed far from grounding electrode along longitudinal direction, insulation tube
It is connected on connecting seat.
Connecting seat is set in the outer wall of high-field electrode so that being connected and fixed for insulation tube and high-field electrode is more firm.
Description of the drawings
Fig. 1 is longitudinal schematic cross-sectional view of the test tool 100 of the utility model embodiment one；
Fig. 2 is longitudinal schematic cross-sectional view of the glass outer 110 of the utility model embodiment one；
Fig. 3 is the enlarged diagram of A in Fig. 2；
Fig. 4 is longitudinal schematic cross-sectional view of the upper flange 140 of the utility model embodiment one；
Fig. 5 is the schematic top plan view of the upper flange 140 of the utility model embodiment one；
Fig. 6 is the stagewise cutaway view schematic diagram of the upper sealing plate 120 of the utility model embodiment one；
Fig. 7 is the schematic top plan view of the upper sealing plate 120 of the utility model embodiment one；
Fig. 8 is longitudinal schematic cross-sectional view of the grounding electrode 170 and lower sealing plate 130 of the utility model embodiment one；
Fig. 9 is the elevational schematic view of the lower sealing plate 130 of the utility model embodiment one；
Figure 10 is longitudinal schematic cross-sectional view of the lower flange 150 of the utility model embodiment one；
Figure 11 is the elevational schematic view of the lower flange 150 of the utility model embodiment one；
Figure 12 is longitudinal schematic cross-sectional view of the high-field electrode 160 of the utility model embodiment one；
Figure 13 is the schematic top plan view of the high-field electrode 160 of the utility model embodiment one；
Figure 14 is the schematic elevation view of the insulation tube 180 of the utility model embodiment one；
Figure 15 is the schematic top plan view of the insulation tube 180 of the utility model embodiment one；
Figure 16 is the flow diagram of the insulation tube edge flashing test method of the utility model embodiment one.
Figure 17 is longitudinal schematic cross-sectional view of the test tool 200 of the utility model embodiment two；
Figure 18 is longitudinal schematic cross-sectional view of the grounding electrode 270 and lower sealing plate 230 of the utility model embodiment two.
Figure 19 is longitudinal schematic cross-sectional view of the test tool 300 of the utility model embodiment three；
Figure 20 is longitudinal schematic cross-sectional view of the high-field electrode 360 of the utility model embodiment three；
Figure 21 is the stagewise cutaway view schematic diagram of the upper sealing plate 320 of the utility model embodiment three；
Figure 22 is longitudinal schematic cross-sectional view of the grounding electrode 370 and lower sealing plate 330 of the utility model embodiment three.
Specific implementation mode
According to requiring, specific embodiment of the present utility model will be disclosed here.It is to be understood, however, that institute here
The embodiment of disclosure is only the exemplary of the utility model, can be presented as various forms.Therefore, it discloses here
Detail be not to be considered as limiting, and be merely possible to the basis of claim and as instructing this field
Technical staff by practice it is any it is appropriate in a manner of differently apply the representative basis of the utility model, including using here
The feature that disclosed various features and combination may not disclosed clearly here.
Embodiment one：As shown in Fig. 1 to Figure 15, the insulation tube edge flashing test tool 100 in this product embodiment, packet
Glass outer 110, upper sealing plate 120, lower sealing plate 130, upper flange 140 and lower flange 150 are included, upper sealing plate 120 passes through upper flange
140 are fixed on one end of glass outer 110, and lower sealing plate 130 is fixed on the other end of glass outer 110 by lower flange 150, on
It is fixed with high-field electrode 160 on sealing plate 120, grounding electrode 170, high-field electrode 160 and ground connection electricity are fixed on lower sealing plate 130
It is fixed with insulation tube 180 between pole 170, is formed with the groove 164 of accommodating thermal control material on high-field electrode 160, on upper sealing plate 120
Equipped with inflation valve port 126.
Above-mentioned test tool 100 is formed with the groove 164 of accommodating thermal control material on high-field electrode 160, is adjusted convenient for placing
Adiabator, to the test temperature needed for Control experiment tooling 100.Setting inflation valve port 126 on upper sealing plate 120, convenient for experiment
The air needed for experiment is extracted or be filled in the inside of tooling 100, to needed for Control experiment air pressure and humidity.Above-mentioned experiment work
Temperature, humidity, the multiple variables of air pressure can be controlled simultaneously by filling 100, and experimental enviroment is made to be more in line with actual condition.
Wherein, glass outer 110 is cylindrical.Upper sealing plate 120 has certain thickness in annular shape.Upper sealing plate 120 is logical
Cross one end that upper flange 140 is fixed on glass outer 110.
Specifically, as shown in Figures 2 and 3.In the present embodiment, glass outer 110 is lucite cylinder, using turning process
It is made.3 mucilage binding slots 111 are set on the end face that glass outer 110 is contacted with upper flange 140.Between being waited between 3 mucilage binding slots 111
Away from setting, and along the radial depressions of glass outer 110.Mucilage binding slot 111 with the mucilage binding of upper flange 140 for connecting.Test work
It fills 100 and uses glass outer 110, visual environment is provided for testing crew, also provide high-potting environment for experiment.
As shown in Figure 4 and Figure 5, upper flange 140 includes pedestal 141 and sleeve 142.Pedestal 141 is in annular shape, sleeve 142
Vertically extend from pedestal 141, perpendicular to pedestal 141.
The end face that pedestal 141 is contacted with glass outer 110 is provided with seal groove 1411.Seal groove 1411 is around upper flange
140 it is centrally disposed.Seal groove 1411 is used to reinforce the connection sealing of upper flange 140 and glass outer 110.
The end face that pedestal 141 is contacted with upper sealing plate 120 is provided with seal groove 1412.Seal groove 1412 is around upper flange 140
Center, be arranged in side of the seal groove 1411 far from 140 center of upper flange.Seal groove 1412 for reinforce upper flange 140 with
The connection sealing of upper sealing plate 120.
It should be noted that in other embodiments, sealing can also be arranged on the end face of upper sealing plate and base contacts
Slot, or seal groove is respectively set on the end face of upper sealing plate and pedestal.
16 mounting holes 143 are set on pedestal 141, are evenly distributed on pedestal 141 around the center of flange.Mounting hole
143 are arranged in side of the seal groove 1412 far from 140 center of upper flange.Mounting hole 143 is for upper flange 140 and upper sealing plate 120
Connection.
The hole for injecting glue 144 of setting perforation 142 side wall of sleeve on sleeve 142.The axis of hole for injecting glue 144 and sleeve 142 is in one
Fixed angle.Hole for injecting glue 144 when upper flange 140 and 110 mucilage binding of glass outer for injecting glue.
As shown in Figure 6 and Figure 7, upper sealing plate 120 has certain thickness in annular shape.120 middle part of upper sealing plate, which has, to be supplied
The hole 121 that high-field electrode 160 passes through.The end face that upper sealing plate 120 is contacted with high-field electrode 160 is provided with 8 mounting holes 122.Peace
Hole 122 is filled to install for upper sealing plate 120 and the connection of high-field electrode 160.
Upper sealing plate 120 is equipped with the mounting hole 123 for running through upper sealing plate 120 in the longitudinal direction.Mounting hole 123 shares 16, surround
The center of upper sealing plate 120 is uniformly arranged at the outer rim of upper sealing plate 120.Mounting hole 123 and the mounting hole 143 of upper flange 140 are right
It should coordinate.When upper sealing plate 120 and upper flange 140 are installed, mounting hole 123 being capable of corresponding adaptation with the position of mounting hole 143.
Bolt (not shown) is extended through into mounting hole 123 and mounting hole 143, fastening bolt, then upper flange 140 and upper sealing plate
120 are fixedly connected.
It should be noted that in other embodiments, the mounting hole being arranged on upper sealing plate is not limited to 16, as long as upper envelope
The number of plate mounting hole can be adapted to the mounting hole number on upper flange.
Wherein, upper sealing plate 120 is equipped with inflation valve port 125.
Specifically, in the present embodiment, horizontal in upper sealing plate 120 sets up inflation valve port 125.In the vertical of upper sealing plate 120
Set up the air intake 124 being connected to inflation valve port 125.It is vertical with air intake 124 to inflate valve port 125.Inflate valve port 125
Port at be threaded section 1251, for connecting charge valve (not shown).
It should be noted that in other embodiments, inflation valve port can also be arranged on lower sealing plate or upper sealing plate and
It is respectively provided with inflation valve port on lower sealing plate, can be needed to adjust according to practical operation.
Wherein, lower sealing plate 130 is fixed on the other end of glass outer 110 by lower flange 150, is fixed on lower sealing plate 130
There is grounding electrode 170.
Specifically, as shown in Figs. 8 to 11, in the present embodiment, grounding electrode 170 and lower sealing plate 130 use welding manner
Form integral structure.Lower sealing plate 130 is that have certain thickness plectane.It is provided with vertical direction on lower sealing plate 130 and runs through lower envelope
The mounting hole 131 of plate 130.Mounting hole 131 is connect for lower sealing plate 130 with the installation of lower flange 150.Mounting hole 131 shares 16
A, mounting hole 131 is uniformly arranged on around the center of lower sealing plate 130 at the outer rim of lower sealing plate 130.
It should be noted that in other embodiments, grounding electrode may not be integral structure with lower sealing plate, such as it is grounded
Electrode is fixed by bolts the form connecting with lower sealing plate.
Hole for hoist 133 is set between each adjacent two mounting hole 131, and the diameter of hole for hoist 133 is less than the straight of mounting hole 131
Diameter.The center of hole for hoist 133 is located at the center of mounting hole 131 on same loop line.The center of hole for hoist 133 is adjacent thereto
Two mounting holes 131 center distance it is equal.Hole for hoist 133 is convenient for the allocation and transportation of lower sealing plate 130.
It should be noted that in other embodiments, the number of mounting hole is not limited to 16, or other numerical value.
Hole for hoist is not necessarily positioned between being installed per adjacent two, such as can only be hung in several be arranged between adjacent mounting hole
Fill hole.The diameter of hole for hoist is also not necessarily smaller than the diameter of mounting hole.
Seal groove 132 is arranged in the end face that lower sealing plate 130 is contacted with lower flange 150.Seal groove 132 is around lower sealing plate 130
Center ring is around being arranged the side close to 130 center of lower sealing plate in mounting hole 131.Seal groove 132 helps to enhance lower sealing plate 130
With the connection sealing between lower flange 150.
It should be noted that in other embodiments, seal groove can also be arranged and be contacted with lower sealing plate in lower flange
On end face or end face that lower flange is contacted with lower sealing plate is respectively provided with seal groove.
As shown in Figure 10, lower flange 150 is in including pedestal 151 and sleeve 152.Pedestal 151 is in annular shape, and sleeve 152 is certainly
Pedestal 151 extends longitudinally, perpendicular to pedestal 151.Pedestal 151 extends transversely out from the junction of sleeve 152.Pedestal 151
The end face setting seal groove 1511 contacted with glass outer 110.Seal groove 1511 is centrally disposed around lower flange 150.Reinforce
The connection sealing of lower flange 150 and glass outer 110.
16 mounting holes 153 are set on pedestal 151, are used for the connection of lower flange 150 and lower sealing plate 130.Mounting hole 153 encloses
In the outer rim that the center of flange is evenly distributed on pedestal 151.Mounting hole 153 is located at seal groove 1511 far from lower flange 150
The side of the heart.Mounting hole 153 is identical as the diameter of mounting hole 131 of lower sealing plate 130.When mounting hole 153 and lower sealing plate 130 are pacified
When dress, mounting hole 153 being capable of corresponding adaptation with the position of mounting hole 131.Bolt (not shown) is sequentially passed through into mounting hole
153 and mounting hole 131, fastening bolt, then lower flange 150 be fastenedly connected with lower sealing plate 130.
It should be noted that in other embodiments, the mounting hole being arranged on pedestal is not limited to 16, as long as on pedestal
The number of mounting hole can be adapted to the mounting hole number on lower sealing plate.
The hole for injecting glue 154 of setting perforation 152 side wall of sleeve on sleeve 152.Hole for injecting glue 154 is set at an angle with longitudinal
It sets.Hole for injecting glue 154 when lower flange 150 and 110 mucilage binding of glass outer for injecting glue.
Wherein, grounding electrode 170 is in convex, and insulation tube 180 is set on grounding electrode 170.
Specifically, as shown in figure 8, in the present embodiment, convex grounding electrode 170 includes interconnecting piece 171 and protrusion
172.Interconnecting piece 171 is located at the middle part of lower sealing plate 130, and interconnecting piece 171 is connect with lower sealing plate 130 using welding procedure.Interconnecting piece
171 are arranged groove 1711 around protrusion 172, and the end of insulation tube 180 is set in groove 1711.
Wherein, it is fixed with high-field electrode 160 on upper sealing plate 120, is fixed between high-field electrode 160 and grounding electrode 170
Insulation tube 180.The groove 164 of accommodating thermal control material is formed on high-field electrode 160.
Specifically, as shown in Figure 12 and Figure 13, in the present embodiment, high-field electrode 160 includes pedestal 161, protrusion 162.It is convex
Portion 162 includes electrode tube 1621 and cover board 1622.Electrode tube 1621 is circular tube shaped, is located at the middle part of pedestal 161, perpendicular to pedestal
161.Electrode tube 1621 is connected to using welding procedure on pedestal 161.
Cover board 163 is disk-shaped, is welded in the one end of electrode tube 1621 far from pedestal 161.Electrode tube 1621 and cover board 163
Form a groove 164 with one end open.Placing thermal control material in groove 164.
Pedestal 161 has interior circular hole 1612 in annular shape.Groove 164 and 1612 internal diameter having the same of interior circular hole, and it is right
It should be connected to.Groove 164 is coaxially disposed with interior circular hole 1612.Thermal control material can be placed into groove by outside by interior circular hole 1612
In 164.
It should be noted that in other embodiments, groove can also in grounding electrode, to place thermal control material,
Or it is respectively provided with groove in high-field electrode and grounding electrode.
8 mounting holes 1611 are set on pedestal 161, and mounting hole 1611 is evenly distributed on pedestal around the center of pedestal 161
161 edge.Mounting hole 1611 is identical as the diameter of mounting hole 122 of upper sealing plate 120.When high-field electrode 160 and upper sealing plate 120
When installation connection, mounting hole 1611 and 122 position Corresponding matching of mounting hole.Bolt (not shown) is sequentially passed through into mounting hole
1611 and mounting hole 122, to be fixedly connected with upper sealing plate 120 and high-field electrode 160.
2 holes for hoist, 1613,2 holes for hoist 1613 are set on pedestal 161 and the center of mounting hole 1611 is justified in same
On loop wire.The center that the line at 2 1613 centers of hole for hoist passes through pedestal 161.The center of hole for hoist 1613 it is adjacent thereto two
The distance at the center of a mounting hole 1611 is equal.Hole for hoist 1613 is convenient for allocating and transporting high-field electrode 160 in actual mechanical process.
Wherein, connecting seat 163 is arranged in the outer wall of high-field electrode 160, and connecting seat 163 is recessed far from grounding electrode 170 along longitudinal direction
It falls into, insulation tube 180 is connected on connecting seat 163.
Specifically, as shown in figs. 1 and 12, in the present embodiment, connecting seat 163 is in concave shape, is circumferentially positioned at electrode tube
On 1621 outer wall.Connecting seat 163 forms groove 1631 close to the recess of pedestal 161 so that one end of insulation tube 180 can be arranged
In groove 1631.
One section of screw thread 1623 is arranged in the outer wall of electrode tube 1621, and screw thread corresponding with screw thread 1623 is arranged in connecting seat 164
(not shown).Connecting seat 163 is connected through a screw thread with electrode tube 1621, is threadedly coupled and is torn open convenient for the installation of connecting seat 163
It unloads.The position of connecting seat 163 can be adjusted in a certain range according to the length of actual insulation pipe 180, improve and be applicable in simultaneously
Property.
Wherein, the side wall of insulation tube 180 offers window 183.
Specifically, as shown in Figure 14 and Figure 15, in the present embodiment, one end that insulation tube 180 is connect with high-field electrode 160
For end 181, the one end being connect with grounding electrode 170 is end 182.Window 183 is projected as rectangle vertical direction.Window 183
One end 182 be connected to end, the other end of window with hold 181 and be not connected to.
The width of window 183 is less than the diameter of insulation tube 180, and the height of window 183 is less than the height of insulation tube 180.When
When insulation tube 180 is connect with high-field electrode 160, the end 181 of insulation tube 180 can be completely obscured by high-field electrode 160.
It should be noted that window is projected as rectangle in vertical direction in the present embodiment, as far as possible convenient for experimenter
More electric discharge phenomena for observing 180 inner wall of insulation tube.Certainly in other embodiments, window may be other shapes,
Size can also be set according to actual needs.
Wherein, thermal control material is dry ice.
In the present embodiment, low temperature environment is manufactured using dry ice, the temperature in test tool can be reduced rapidly.In other realities
It applies in example, other materials can also be used as thermal control material.
Wherein, the dry high pure nitrogen of filling in test tool 100.
In the present embodiment, high pure nitrogen is the gas that nitrogen content is 99.999%, relative humidity 40%.It will do
Dry high pure nitrogen is filled with by inflating valve port 125 in test tool 100, comes the humidity in adjusting test tool 100 and air pressure,
To meet the gentle pressure request of humidity needed for experiment.
It should be noted that in other embodiments, other gas regulation humidity and air pressure can also be used, such as moistening
Saturated air.
Below by taking a concrete application scene as an example, the experiment process of above-mentioned test tool 100 is described in detail.
S1：The both ends of insulation tube 180 are fixed on high-field electrode 160 and grounding electrode 170, connection high-field electrode 160,
Upper sealing plate 120, upper flange 140, grounding electrode 170, lower sealing plate 130, lower flange 150 and glass outer 110.
Wherein, the both ends of insulation tube 180 are set on high-field electrode 160 and grounding electrode 170, to ensure that creeping discharge is existing
Inner wall as resulting from insulation tube 180.
S2：It will be vacuumized in test tool 100 by inflating valve port 125；
It will first be vacuumized in test tool 100, ensure that the gas in test tool 100 is controllable, contribute to Adjustment Tests
Air pressure in tooling 100 and humidity.
S3：It is filled with dry high pure nitrogen by inflating valve port 125；
It should be noted that in other application scene, other gases can also be filled in test tool 100 to control
Humidity and pressure, such as moistening saturated air.
S4：Dry ice is placed in groove 164；
Dry ice can quickly reduce temperature, provide low temperature environment for test tool 100, generated for 180 inner wall of insulation tube
Condensation.In other application scene, other thermal control materials can also be used.
S5：High-field electrode 160 is connected into high pressure, grounding electrode 170 is grounded；
Specifically, the inner wall by high-field electrode 160 and grounding electrode in insulation tube 180 forms electric field, by glass outside
Edge flashing phenomenon inside 110 observation insulation tube 180 of cover.
Embodiment two：
The test tool 200 of the present embodiment and 100 structure of test tool in embodiment one are substantially similar.Its difference
It is, the groove 236 for placing thermal control material is set on grounding electrode 270, inflation valve port 233 is set on lower sealing plate 230.Test tool
The saturated air of moistening is filled in 200.
As shown in Figure 17 to Figure 18, the insulation tube edge flashing test tool 200 in this product embodiment, including glass
Outer cover 210, upper sealing plate 220, lower sealing plate 230, upper flange 240 and lower flange 250, upper sealing plate 220 are fixed by upper flange 240
In one end of glass outer 210, lower sealing plate 230 is fixed on the other end of glass outer 210, upper sealing plate by lower flange 250
It is fixed with high-field electrode 260 on 220, grounding electrode 270, high-field electrode 260 and grounding electrode 270 are fixed on lower sealing plate 230
Between be fixed with insulation tube 280, the groove 273 of accommodating thermal control material is formed on grounding electrode 270, lower sealing plate 230 is equipped with
Inflate valve port 233.
Wherein, grounding electrode 270 is in convex, and insulation tube 280 is set on grounding electrode 270.
Specifically, as shown in figure 18, in the present embodiment, convex grounding electrode 270 includes interconnecting piece 271 and protrusion
272.Interconnecting piece 271 is located at the middle part of lower sealing plate 230, and interconnecting piece 271 is connect with lower sealing plate 230 using welding procedure.Interconnecting piece
271 are arranged groove 2711 around protrusion 272, and the end of insulation tube 280 is set in groove 2711.
The inside of grounding electrode 270 is hollow, forms the groove 273 placed for thermal control material.
It should be noted that in other embodiments, can also grounding electrode be arranged on interconnecting piece along longitudinal direction close to convex
The groove for going out portion's recess, to as the groove for placing thermal control material.The size and size of the groove can be according to actual conditions
It adjusts.
Wherein, lower sealing plate 230 is fixed on the other end of glass outer 210 by lower flange 250, is fixed on lower sealing plate 230
There is grounding electrode 270.
Specifically, in the present embodiment, grounding electrode 270 and lower sealing plate 230 form integral structure using welding manner.Lower envelope
Plate 230 is that have certain thickness plectane.Lower sealing plate 230 is provided with longitudinal interior circular hole 235 for running through lower sealing plate 230.Interior circular hole
235 diameter is identical as the internal diameter of groove 273, and interior circular hole 235 is coaxially disposed with groove 273.Interior circular hole 235 and groove 273
Connection, for thermal control material to be placed into groove 273.
The mounting hole 231 that vertical direction runs through lower sealing plate 230 is provided on lower sealing plate 130.Mounting hole 231 is used for lower sealing plate
230 connect with the installation of lower flange 250.
It should be noted that in other embodiments, grounding electrode may not be integral structure with lower sealing plate, such as it is grounded
Electrode is fixed by bolts the form connecting with lower sealing plate.
Seal groove 232 is arranged in the end face that lower sealing plate 230 is contacted with lower flange 250.Seal groove 232 is around lower sealing plate 230
Center ring is around being arranged the side close to 230 center of lower sealing plate in mounting hole 231.Seal groove 232 helps to enhance lower sealing plate 230
With the connection sealing between lower flange 250.
Wherein, lower sealing plate 230 is equipped with inflation valve port 233.
Specifically, in the present embodiment, horizontal in lower sealing plate 230 sets up inflation valve port 233.In the vertical of lower sealing plate 230
Set up the air intake 234 being connected to inflation valve port 233.It is vertical with air intake 234 to inflate valve port 233.Inflate valve port 233
Port at be threaded section 2331, for connecting charge valve (not shown).
It should be noted that in other embodiments, inflation valve port can also be arranged on upper sealing plate or upper sealing plate and
It is respectively provided with inflation valve port on lower sealing plate, can be needed to adjust according to practical operation.
Wherein, the saturated air that filling moistens in test tool 200.
In the present embodiment, the saturated air of moistening is to keep dynamic equilibrium between the water surface or ice face at normal temperatures and pressures
The air of state, relative humidity 100%.The saturated air of moistening is filled with test tool 200 by inflating valve port 233
It is interior, come the humidity in adjusting test tool 200 and air pressure, to meet the gentle pressure request of humidity needed for experiment.
Embodiment three：
The test tool 300 of the present embodiment and 100 structure of test tool in embodiment one are substantially similar.Its difference
It is, fluted 364 is arranged on high-field electrode 360, fluted 373 are arranged on grounding electrode 370.It is set on upper sealing plate 320
There are inflation valve port 325, lower sealing plate 330 to be equipped with inflation valve port 333.
As shown in Figure 19 to Figure 21, the insulation tube edge flashing test tool 300 in this product embodiment, including glass
Outer cover 310, upper sealing plate 320, lower sealing plate 330, upper flange 340 and lower flange 350, upper sealing plate 320 are fixed by upper flange 340
In one end of glass outer 310, lower sealing plate 330 is fixed on the other end of glass outer 310, upper sealing plate by lower flange 350
It is fixed with high-field electrode 360 on 320, grounding electrode 370, high-field electrode 360 and grounding electrode 370 are fixed on lower sealing plate 330
Between be fixed with insulation tube 380, be formed with the groove 364 of accommodating thermal control material on high-field electrode 360, shape on grounding electrode 370
At the groove 373 for having accommodating thermal control material, upper sealing plate 320 is equipped with inflation valve port 325, and lower sealing plate 330 is equipped with inflation valve port
333。
Specifically, as shown in figure 20, in the present embodiment, fluted 364 are arranged in high-field electrode 360, to house temperature adjustment
Material.The structure of high-field electrode 360 is identical as 160 structure of high-field electrode in embodiment one, and details are not described herein.
Specifically, as shown in figure 21, in the present embodiment, inflation valve port 325 is arranged in upper sealing plate 320 in the horizontal.Upper sealing plate
320 structure is identical as 120 structure of upper sealing plate in embodiment one, and details are not described herein.
Specifically, as shown in figure 22, in the present embodiment, fluted 373 are arranged in grounding electrode 370, to house temperature adjustment
Material.The structure of grounding electrode 370 is identical as 270 structure of high-field electrode in embodiment two, and details are not described herein.
Specifically, inflation valve port 333 is arranged in lower sealing plate 330 in the horizontal.In the structure and embodiment two of lower sealing plate 330
Lower 230 structure of sealing plate is identical, and details are not described herein.
The technology contents and technical characterstic of the utility model have revealed that as above, it being understood, however, that in the utility model
Under creative ideas, those skilled in the art can make various changes and improve to above structure and material, including here individually
The combination for the technical characteristic for disclosing or being claimed, it will be apparent that other combinations including these features.These deformations and/or combination
It each falls in the technical field involved by the utility model, and falls into the protection domain of the utility model claims.
Claims (10)
1. a kind of insulation tube edge flashing test tool, which is characterized in that including glass outer, upper sealing plate, lower sealing plate, upper flange
And lower flange, the upper sealing plate are fixed on one end of the glass outer by the upper flange, the lower sealing plate passes through described
Lower flange is fixed on the other end of the glass outer, and high-field electrode is fixed on the upper sealing plate, is fixed on the lower sealing plate
There is grounding electrode, the insulation tube, the high-field electrode and/or institute are fixed between the high-field electrode and the grounding electrode
The groove that accommodating thermal control material is formed on grounding electrode is stated, the upper sealing plate and/or the lower sealing plate are equipped with inflation valve port.
2. test tool as described in claim 1, which is characterized in that offer window on the side wall of the insulation tube.
3. test tool as described in claim 1, which is characterized in that the thermal control material is dry ice.
4. test tool as described in claim 1, which is characterized in that the end face that the lower sealing plate is contacted with the grounding electrode
On be provided with lower sealing plate seal groove.
5. test tool as described in claim 1, which is characterized in that on the end face that the upper flange is contacted with the upper sealing plate
It is provided with upper flange seal groove.
6. test tool as described in claim 1, which is characterized in that the dry high pure nitrogen of filling in the test tool.
7. test tool as described in claim 1, which is characterized in that the saturated air of filling moistening in the test tool.
8. test tool as described in claim 1, which is characterized in that the grounding electrode is in convex, the insulative pipe sleeve
It is located on the grounding electrode.
9. test tool as described in claim 1, which is characterized in that the insulative pipe sleeve is located on the high-field electrode.
10. test tool as described in claim 1, which is characterized in that connecting seat is arranged in the outer wall of the high-field electrode, described
Connecting seat is recessed far from the grounding electrode along longitudinal direction, and the insulation tube is connected on the connecting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721875595.0U CN207895026U (en) | 2017-12-27 | 2017-12-27 | A kind of insulation tube edge flashing test tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721875595.0U CN207895026U (en) | 2017-12-27 | 2017-12-27 | A kind of insulation tube edge flashing test tool |
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| Publication Number | Publication Date |
|---|---|
| CN207895026U true CN207895026U (en) | 2018-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721875595.0U Active CN207895026U (en) | 2017-12-27 | 2017-12-27 | A kind of insulation tube edge flashing test tool |
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| CN (1) | CN207895026U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406973A (en) * | 2018-12-12 | 2019-03-01 | 国家电网有限公司 | It is a kind of to simulate under different defects along the device of face arcing fault |
| CN110514525A (en) * | 2019-08-29 | 2019-11-29 | 江苏神马电力股份有限公司 | A kind of interior pressure comparative test device |
-
2017
- 2017-12-27 CN CN201721875595.0U patent/CN207895026U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406973A (en) * | 2018-12-12 | 2019-03-01 | 国家电网有限公司 | It is a kind of to simulate under different defects along the device of face arcing fault |
| CN110514525A (en) * | 2019-08-29 | 2019-11-29 | 江苏神马电力股份有限公司 | A kind of interior pressure comparative test device |
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