CN108490278A - A kind of miniaturization disc insulator surface charge three-dimensional measuring apparatus and method - Google Patents
A kind of miniaturization disc insulator surface charge three-dimensional measuring apparatus and method Download PDFInfo
- Publication number
- CN108490278A CN108490278A CN201810409765.9A CN201810409765A CN108490278A CN 108490278 A CN108490278 A CN 108490278A CN 201810409765 A CN201810409765 A CN 201810409765A CN 108490278 A CN108490278 A CN 108490278A
- Authority
- CN
- China
- Prior art keywords
- disc insulator
- guide rod
- miniaturization
- surface charge
- driving device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000012212 insulator Substances 0.000 title claims abstract description 137
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000005259 measurement Methods 0.000 claims abstract description 37
- 239000000523 sample Substances 0.000 claims abstract description 33
- 230000033001 locomotion Effects 0.000 claims description 25
- 230000005540 biological transmission Effects 0.000 claims description 20
- 238000009825 accumulation Methods 0.000 claims description 7
- VMQPMGHYRISRHO-UHFFFAOYSA-N benzvalene Chemical group C1=CC2C3C1C32 VMQPMGHYRISRHO-UHFFFAOYSA-N 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 4
- 210000001364 upper extremity Anatomy 0.000 claims description 4
- 238000004441 surface measurement Methods 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 13
- 238000010586 diagram Methods 0.000 description 6
- 238000009413 insulation Methods 0.000 description 5
- 240000002853 Nelumbo nucifera Species 0.000 description 4
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 4
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/24—Arrangements for measuring quantities of charge
-
- 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
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1245—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of line insulators or spacers, e.g. ceramic overhead line cap insulators; of insulators in HV bushings
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Testing Relating To Insulation (AREA)
Abstract
A kind of miniaturization disc insulator surface charge three-dimensional measuring apparatus of the present invention and method, including：Tubular main tank body, tubular main tank body lower end is connected with lower cover, the upper end is overlapped with the first disc insulator, supporting rod and the first guide rod are plugged on lower cover, the collets of first guide rod upper end are inserted with first electrode, it is hung equipped with second electrode above first electrode, first, the second disc insulator is provided between second electrode, the outer rim of second disc insulator is overlapped in the inner wall of metallic cylinder, tubular main tank body side is provided with the second guide rod, one end end set that second guide rod is located in tubular main tank body has probe, probe is sequentially connected with electrostatic galvanometer by data line, microcontroller and computer.The surface charge measurement of miniaturization disc insulator concave surface can be achieved, the problem of most experiments device at this stage can not measure miniaturization insulator concave surface charge is improved, and this measuring device can also carry out the surface charge measurement on miniaturization disc insulator convex surface simultaneously.
Description
Technical field：
The present invention relates to solid insulating material electric discharge and charge measurement technical fields, and in particular to a kind of miniaturization benzvalene form is exhausted
Edge sublist surface charge three-dimensional measuring apparatus and method.
Background technology：
It is exhausted with gas-insulated transmission line (GIL) and gas with the fast development of China's extra-high voltage direct-current transmission network
The metal enclosed electric appliance of edge (GIS) is the gas insulated electric apparatus of representative because its dielectric strength is high, environment compatibility is good, is easy to transport
Various advantages such as row and maintenance are widely used in modern complicated power transmission network.However, in alternating voltage, direct current
Under voltage, Impulse Voltage, solid disc insulator surface made of solid polymer dielectric can gradually stored charge, when
When accumulating in the charge of insulator surface and reaching a certain level, former electric field can be caused to distort, cause insulator edge flashing electric
The decline of pressure can also cause the edge flashing of insulator when serious, lead to the reduction of air insulating device operational reliability.Therefore,
The accumulation of surface Charge and dissipation characteristic under researching DC high pressure, for improve gas insulated electric apparatus operation can
Have great importance by property.
Currently, domestic and foreign scholars are directed to the research of polymer surfaces charge buildup phenomenon, the experimental stage is also rested on, is measured
There is also many shortcomings for the device of surface Charge, such as：(1) experiment insulation submodel used uses mostly
It is cylindrical to be easy for the thin slice measured, and tests and is mostly carried out in low pressure air, in these situations and air insulating device
Actual insulation situation grave fault is unfavorable for simulating true operating mode；(2) surface Charge measuring system can only scan
The insulation submodel for measuring shape fixed single, is unfavorable for carrying out a large amount of experimental study；(3) surface Charge measures system
System can only scanning survey disc insulator model outer surface accumulation charge, be unable to measure mold inner surfaces accumulation charge.For
Can more in-depth study insulator surface charge accumulation phenomenon, improve the stability of gas insulated electric apparatus operation,
Promote gas insulated electric apparatus functionization, it is quite necessary to existing surface charge measuring system be improved with it is complete
It is kind, can it is safer under high-voltage isulation gaseous environment, surface charge measurement reliably is carried out to disc insulator.
Invention content：
The object of the present invention is to provide a kind of miniaturization disc insulator surface charge three-dimensional measuring apparatus and methods, with right
The surfaces externally and internally of insulator carries out charge measurement.
To achieve the above object, the present invention uses following technical scheme：
A kind of miniaturization disc insulator surface charge three-dimensional measuring apparatus provided by the invention, including：Tubular main tank body,
The tubular main tank body lower end is connected with lower cover, and the upper end is overlapped with the first disc insulator, is offered on the lower cover
Two first through hole plug supporting rod in two first through hole respectively, and two post uppers are connected with round metal
Cylinder, one of them described supporting rod lower end are connected with first driving means, and the first driving means drive on the supporting rod
Lower movement is further opened with the second through-hole on the lower cover, and second through-hole is located between two first through hole, institute
It states and is inserted with the first guide rod in the second through-hole, external second driving device of first lower end of the guide rod or third driving device,
Second driving device drives first guide rod vertically to move up and down, and the third driving device drives described the
One guide rod rotary motion, first guide rod upper end are connected with collets, are inserted with first electrode on the collets, and described
It is hung equipped with second electrode above one electrode, the second electrode lower end is provided with grading shield, the first electrode upper end setting
There is lower grading shield, the second disc insulator, the outer rim of second disc insulator are provided between the upper and lower grading shield
It is overlapped in the inner wall of the metallic cylinder, is connected to by conducting wire between the second electrode and the supporting rod, and the conducting wire
On resistance and power supply is installed, the tubular main tank body side is provided with the second guide rod, and second guide rod passes through described
The side wall of tubular main tank body extends to inside it, and second guide rod is located at one end end set of the tubular tank interior
There are probe, the probe that can be rotated around second guide rod, the external four-drive device of the other end, the four-drive device
The second guide rod side-to-side movement in the horizontal direction, the probe is driven to be sequentially connected with electrostatic galvanometer, microcontroller by data line
And computer.
Open up fluted on the upper grading shield, the second electrode lower end is convexly equipped with boss, and the boss is flush-mounted in institute
It states in groove, and spring catch is provided between the boss and groove.
Described pop one's head in is articulated with the end of second guide rod by connecting shaft.
The probe is provided with transmission device with second guide rod junction, and the transmission device includes first bevel gear
And second bevel gear, the second guide rod end set have U-bracket, second guide rod to pass through the bottom plate of the U-bracket
One end end be arranged the first bevel gear, transmission shaft, the second bevel gear are provided on the both side plate of the U-bracket
It is set on the transmission shaft between the both side plate of the U-bracket, and the first bevel gear and second bevel gear are meshed, institute
It states transmission shaft and extends to the affixed probe in one end end outside the U-bracket.
Described first, second, third and four-drive device be stepper motor.
It is arranged with gear respectively on the output shaft of the first driving means, the second driving device and four-drive device,
Rack is respectively arranged on the shaft of the supporting rod, the first guide rod and the second guide rod, the gear and rack are meshed, described
Gear drives the rack movement, and then drives the supporting rod, the first guide rod and the second guide rod linear motion；The third is driven
The output shaft of dynamic device is connect by shaft coupling with first guide rod.
The third driving device is stepper motor, described first, second and four-drive device be hydraulic cylinder or
The output shaft of person's cylinder, the third driving device is connect by shaft coupling with first guide rod, the hydraulic cylinder or gas
The piston rod of cylinder is connect with the supporting rod, the first guide rod and the second guide rod respectively.
It is provided with the first ultrasonic sensor and the second ultrasonic sensor at the main inner tank wall different height of tubular,
And second ultrasonic sensor is L at a distance from tubular main tank body lower cover1, first ultrasonic sensor and tubular
The distance of main tank body lower cover is L2, when second disc insulator is contacted with the lower grading shield of the second electrode lower end
When, the distance of the second disc insulator upper limb to probe lower end is L3, the second disc insulator lower edge to metal
The distance of cylinder upper surface is L4, the L1Less than or equal to L3, the L2Less than or equal to L3And L4The sum of.
Quartzy form is offered on the side wall of the tubular main tank body.
Using a kind of above-mentioned miniaturization disc insulator surface charge three-dimensional measuring apparatus to disc insulator surface charge
The method measured, is as follows：
Step 1：The second disc insulator surfaces externally and internally is from top to bottom divided into M measurement circle, and will be each
It is N number of measurement angle that circle, which is measured, according to angular divisions, obtains MxN measurement point, wherein M and N are the nature more than or equal to 1
Number；
Step 2：It checks the air-tightness of the tubular main tank body, the second disc insulator is then placed in the tubular master
Tank interior；
Step 3：It is inflated into the tubular main tank body, feeds insulating gas and stop until after reaching required pressure inside it
Only inflate；
Step 4：The power supply is connected, voltage is applied to the second disc insulator both ends, is insulated in second benzvalene form
After sub- both ends apply 10~30 minutes voltage, the power supply is closed, the second disc insulator both end voltage is removed；
Step 5：Start the first driving means, the supporting rod is driven to move downward, second benzvalene form is made to insulate
The outer rim of son is detached from the metallic cylinder, is inhibited charge to dissipate from low-pressure side, is closed the first driving means；
Step 6：First guide rod is connect with second driving device, starts second driving device, is driven
First guide rod moves downward, and second disc insulator is made to be detached from the second electrode, inhibits charge from high-pressure side
It dissipates, closes second driving device；
Step 7：Second guide rod is connect with the four-drive device, starts the four-drive device, is driven
Second guide rod is moved towards the second disc insulator, is moved to above second disc insulator, and the probe pair is made
Just described second disc insulator closes the four-drive device；
Step 8：Described pop one's head in is placed in the bottom of the second disc insulator inner surface, will first guide rod and
Third driving device connection drives second disc insulator to rotate by the third driving device, to described the
Two disc insulators start from coil to coil and measure；
Step 9：It, will by all member resets of device after the Inner surface measurement of second disc insulator is finished
Second disc insulator overturns 180 °, repeats the above steps two to step 8, completes to second disc insulator
The measurement of outer surface；
Step 10：After measurement is complete, the second disc insulator surface need to be handled again, gets rid of and measured
In the charge of the second disc insulator surface accumulation in journey, to exclude the influence that residual charge measures next time.
The advantageous effect of a kind of miniaturization disc insulator surface charge three-dimensional measuring apparatus of the present invention and method：
Charge measurement probe is placed in by 1, miniaturization disc insulator surface charge three-dimensional measuring apparatus proposed by the present invention
The inside of tubular main tank body, kinetic control system is external, and the up and down motion of miniaturization disc insulator is realized using driving device
With the horizontal movement of charge measurement probe reality is considerably reduced to realize the surface charge measurement of miniaturization disc insulator
The size of tank body is tested, and then reduces the use of insulating gas, greatly reduces the cost of experiment；
2, miniaturization disc insulator surface charge three-dimensional measuring apparatus proposed by the present invention may be implemented to minimizing basin
The surface charge measurement of formula insulator concave surface, miniaturization insulator concave surface can not be measured by improving most experiments device at this stage
The problem of surface charge, and this measuring device can also carry out the surface charge measurement on miniaturization disc insulator convex surface simultaneously；
3, miniaturization disc insulator surface charge three-dimensional measuring apparatus proposed by the present invention, it is proposed that one kind can be simulated
Three electrode mechanisms of GIS/GIL shells, more closing to reality；
4, miniaturization disc insulator surface charge three-dimensional measuring apparatus proposed by the present invention, can accurately control first
The move distance of guide rod and the second guide rod is also mounted with the first ultrasonic sensor in the main tank interior of tubular for the sake of assurance
With the second ultrasonic sensor, respectively to control the first guide rod and the second guide rod movement distance；
5, miniaturization disc insulator surface charge three-dimensional measuring apparatus proposed by the present invention, high-pressure side second electrode with it is upper
Grading shield junction spring pin assembly, can make the second disc insulator exemplar and upper and lower grading shield have it is good contact, and
The collision between each device can be efficiently controlled, the safety of insulator exemplar is protected；
6, miniaturization disc insulator surface charge three-dimensional measuring apparatus proposed by the present invention, all movements are all by list
Piece machine controls each driving device and completes, and can carry out table to insulator of different shapes by the program of change microcontroller
The measurement of surface charge；
7, miniaturization disc insulator surface charge three-dimensional measuring apparatus proposed by the present invention, can be in different insulative gas
Medium is (such as：SF6、CF4、N4Equal gases), carry out surface charge measurement experiment under gas with various pressure (0.1~0.6MPa), be applicable in
Range is more wide in range, highly practical.
Description of the drawings：
Fig. 1 is a kind of structural schematic diagram of miniaturization disc insulator surface charge three-dimensional measuring apparatus of the present invention；
Fig. 2 is using a kind of miniaturization disc insulator surface charge three-dimensional measuring apparatus to disc insulator inner surface electricity
The motion state schematic diagram of step 5~step 6 when the method that lotus measures；
Fig. 3 is using a kind of miniaturization disc insulator surface charge three-dimensional measuring apparatus to disc insulator inner surface electricity
The motion state schematic diagram of step 7~step 8 when the method that lotus measures；
Fig. 4 is using a kind of miniaturization disc insulator surface charge three-dimensional measuring apparatus to disc insulator outer surface electricity
The motion state schematic diagram of step 5~step 6 when the method that lotus measures；
Fig. 5 is using a kind of miniaturization disc insulator surface charge three-dimensional measuring apparatus to disc insulator outer surface electricity
The motion state schematic diagram of step 7~step 8 when the method that lotus measures；
Fig. 6 is the structural schematic diagram of transmission device；
In figure：1- tubular main tank bodies, 2- lower covers, the first disc insulators of 3-, 4- supporting rods, 5- metallic cylinders, 6-
One driving device, the first guide rods of 7-, the second driving devices of 8-, 9- third driving devices, 10- collets, 11- first electrodes, 12-
Second electrode, the upper grading shields of 13-, grading shield under 14-, 15- spring catch, the second disc insulators of 16-, 17- conducting wires, 18- resistance,
19- power supplys, the second guide rods of 20-, 21- probes, 22- four-drive devices, 23- connecting shafts, 24- electrostatic galvanometers, 25- data lines,
26- microcontrollers, 27- computers, the first ultrasonic sensors of 28-, the second ultrasonic sensors of 29-, 30-U shape holders, the bottoms 31-
Plate, 32- side plates, 33- transmission shafts, 34- first bevel gears, 35- second bevel gears, the 5th driving devices of 36-.
Specific implementation mode：
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining relative position relation, motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and should not be understood as referring to
Show or imply its relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " are defined as a result,
Two " feature can explicitly or implicitly include at least one of the features.In addition, the technical solution between each embodiment can
To be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when the combination of technical solution occurs
Conflicting or cannot achieve when, will be understood that the combination of this technical solution is not present, also not the present invention claims protection model
Within enclosing.
According to Fig. 1, a kind of miniaturization disc insulator surface charge three-dimensional measuring apparatus provided by the invention, packet
It includes：The hollow tube-shape main tank body 1 that upper and lower side is open offers quartzy form, the cylinder on the side wall of the tubular main tank body 1
1 lower end of shape main tank body is connected with lower cover 2, and the upper end is overlapped with the first disc insulator 3, two are offered on the lower cover 2
A first through hole is further opened with the air inlet/outlet passed in and out for insulating gas on lower cover 2, distinguishes in two first through hole
Supporting rod 4 is plugged, two 4 upper ends of the supporting rod are connected with metallic cylinder 5, one of them 4 lower end of the supporting rod is connected with
First driving means 6, the first driving means 6 drive the supporting rod 4 vertically to move up and down, in the lower cover
The second through-hole is further opened on 2, second through-hole is located between two first through hole, is inserted in second through-hole
First guide rod 7, external second driving device 8 in 7 lower end of the first guide rod or third driving device 9, the second driving dress
It sets 8 drives, first guide rod 7 to move up and down, the third driving device 9 drives 7 rotary motion of the first guide rod, described
First guide rod, 7 upper end is connected with collets 10, and the collets 10 are made of PTFE insulating materials, ensures reliable insulation, described
First electrode 11 is inserted on collets 10,11 top of the first electrode is hung equipped with second electrode 12, the second electrode 12
Lower end is provided with grading shield 13, and 11 upper end of the first electrode is provided with lower grading shield 14, is described in the present embodiment
Open up fluted on upper grading shield 13,12 lower end of the second electrode is convexly equipped with boss, and the boss is flush-mounted in the groove,
And spring catch 15 is provided between the boss and groove, the insulation of the second benzvalene form is provided between the upper and lower grading shield
Son 16 provides guarantee for the second disc insulator 16 by the spring catch 15 with good contact of upper and lower grading shield, described
The outer rim of second disc insulator 16 is overlapped in the inner wall of the metallic cylinder 5, the second electrode 12 and the supporting rod 4 it
Between be connected to by conducting wire 17, and resistance 18 and power supply 19 are installed on the conducting wire 17, and conducting wire 17 is grounded, the tubular master
1 side of tank body is provided with the second guide rod 20, and described second guide rod, 20 one end passes through the side wall of the tubular main tank body 1 to extend to it
Inside, and one end end set that second guide rod 20 is located at the tubular tank interior has a probe 21, the probe 21 is
Kelvin charge measurements are popped one's head in, and the external four-drive device 22 of the other end, the four-drive device 22 drives described second
The side-to-side movement in the horizontal direction of guide rod 20, the probe 21 connect electrostatic galvanometer 24 by data line 25, and the probe 21 will be adopted
The data of collection are transmitted to the electrostatic galvanometer 24, output end and the microcontroller 26 of the electrostatic galvanometer 24 by data line 25
Input terminal is connected, and collected data are transferred to by data line 25 in microcontroller 26, by microcontroller 26 by analog signal
It is converted into digital signal, the output end of the microcontroller 26 is connected with computer 27, and the digital signal of conversion is stored into meter
In calculation machine 27, facilitate the post-processing of data.
Further, in one embodiment, the probe 21 is articulated with the end of second guide rod 20 by connecting shaft 23
Portion makes the probe 21 that can be rotated around second guide rod 20, to measure the different location of the second disc insulator, in another reality
It applies in example, is that second guide rod, 20 junction is provided with transmission device in the probe 21, as shown in fig. 6, the transmission
Device includes first bevel gear 34 and second bevel gear 35, and 20 end set of the second guide rod has a U-bracket 30, and described second
Guide rod 20 passes through one end end of the bottom plate 31 of the U-bracket 30 to be arranged the first bevel gear 34, the U-bracket 30
Transmission shaft 33 is provided on both side plate 32, the second bevel gear 35 is set between the both side plate 32 of the U-bracket 30
On transmission shaft 33, and the first bevel gear 34 and second bevel gear 35 are meshed, and the transmission shaft 33 extends to the U-shaped branch
The affixed probe 21 in one end end outside frame 30, and second guide rod 20 is connect with the 5th driving device 36, it is described
5th driving device 36 is stepper motor, drives second guide rod rotation, in measurement process, can make probe 21 always with
Measurement point on second disc insulator 16 keeps vertical, and the data of measurement is made to have accuracy.
Further, in one embodiment, described first, second, third and four-drive device can be used stepping electricity
Machine, and be arranged with respectively on the output shaft of the first driving means 6, the second driving device 8 and four-drive device 22
Gear is respectively arranged with rack, the gear and rack phase on the shaft of the supporting rod 4, the first guide rod 7 and the second guide rod 20
Engagement, the gear drive the rack movement, and then drive the supporting rod 4, the first guide rod 7 and 20 straight line of the second guide rod fortune
It is dynamic；The output shaft of the third driving device 9 is connect by shaft coupling with first guide rod 7, passes through first, second and the 4th
Driving device realizes the driving of rectilinear direction, and the driving of direction of rotation is realized by the third driving device 9.
Further, in another embodiment, the third driving device 9 is stepper motor, described first, second and
Four-drive device is hydraulic cylinder or cylinder, and the output shaft of the third driving device 9 passes through shaft coupling and described first
Guide rod 7 connects, and the piston rod of the hydraulic cylinder or cylinder connects with the supporting rod 4, the first guide rod 7 and the second guide rod 20 respectively
It connects, the driving of rectilinear direction is realized by first, second and four-drive device, is realized and is revolved by the third driving device 9
Turn the driving in direction.
Further, the first ultrasonic sensor 28 and are provided at the 1 inner wall different height of tubular main tank body
Two ultrasonic sensors 29, and second ultrasonic sensor 29 is L at a distance from 1 lower cover 2 of tubular main tank body1, described
First ultrasonic sensor 28 is L at a distance from 1 lower cover 2 of tubular main tank body2, when second disc insulator 16 with it is described
When the lower grading shield 14 of 12 lower end of second electrode contacts, distance of 16 upper limb of the second disc insulator to 21 lower ends of probe
For L3, the distance of 16 lower edge of the second disc insulator to 5 upper surface of metallic cylinder is L4, the L1Less than or equal to L3, described
L2Less than or equal to L3And L4The sum of, in measurement process, setting drops to and the second supersonic sensing when the lower end of metallic cylinder 5
When 29 horizontal position of device is consistent, 6 stop motion of first driving means makes supporting rod 4 stop descending motion, when the second benzvalene form insulate
The upper limb of son 16 is when dropping to consistent with 28 horizontal position of the first ultrasonic sensor, 8 stop motion of the second driving device, makes the
One guide rod 7 stops descending motion.
Using a kind of above-mentioned miniaturization disc insulator surface charge three-dimensional measuring apparatus to disc insulator surface charge
The method measured, is as follows：
Step 1：Second disc insulator, 16 surfaces externally and internally is from top to bottom divided into 15 measurement circles, and will
Each measurement circle is 20 measurement angles according to angular divisions, obtains 300 measurement points；
Step 2：The air-tightness for checking the tubular main tank body 1, is then placed in the tubular by the second disc insulator 16
Inside main tank body 1；
Step 3：It is inflated into the tubular main tank body 1, feeds insulating gas and stop until after reaching required pressure inside it
Only inflate；
Step 4：The power supply 19 is connected, voltage is applied to 16 both ends of the second disc insulator, the voltage can be
Direct current, exchange or surge voltage close institute after 16 both ends of the second disc insulator apply 10~30 minutes voltage
Power supply 19 is stated, 16 both end voltage of the second disc insulator is removed；
Step 5：As Figure 2-Figure 5, start the first driving means 6, drive the supporting rod 4 to move downward, make
The outer rim of second disc insulator 16 is detached from the metallic cylinder 5, and charge is inhibited to dissipate from low-pressure side, closes described the
One driving device 6；
Step 6：First guide rod 7 is connect with second driving device 8, starts second driving device 8,
It drives first guide rod 7 to move downward, second disc insulator 16 is made to be detached from the second electrode 12, inhibit charge
It dissipates from high-pressure side, closes second driving device 8；
Step 7：Second guide rod 20 is connect with the four-drive device 22, starts the four-drive device
22, it drives second guide rod 20 to be moved towards the second disc insulator 16, moves to second disc insulator, 16 top,
Make the probe 21 with second disc insulator 16 to just, the four-drive device 22 being closed, by second guide rod
20 connect with the 5th driving device 36, start the 5th driving device 36, adjustment probe 21 is perpendicular to second basin
The inner surface of formula insulator 16 closes the 5th driving device 36；
Step 8：The probe 21 is placed in the bottom of 16 inner surface of the second disc insulator, described first is led
Bar 7 is connect with the third driving device 9, drives second disc insulator 16 to rotate by the third driving device 9,
Start from coil to coil to second disc insulator 16 to measure, specifically after completing a certain whole circle measurement, by described the
One guide rod 7 is connect with second driving device 8, starts second driving device 8, drives the fortune downwards of first guide rod 7
It is dynamic, second guide rod 20 is connect with the 5th driving device 36, starts the four-drive device 36, adjustment probe 21
Perpendicular to the inner surface of second disc insulator 16, the four-drive device 22 is closed, by first guide rod 7 and institute
The connection of third driving device 9 is stated, drives second disc insulator 16 to rotate by the third driving device 9, to described
Another circle of second disc insulator 16 proceeds by measurement；
Step 9：After finishing the Inner surface measurement of second disc insulator 16, all components of device are answered
Second disc insulator 16 is overturn 180 ° by position, is repeated the above steps two to step 8, is completed exhausted to second benzvalene form
The measurement of the outer surface of edge 16；
Step 10：After measurement is complete, 16 surfaces externally and internally of the second disc insulator need to be handled again, is got rid of
In the charge of 16 surfaces externally and internally of the second disc insulator accumulation in measurement process, to exclude the shadow that residual charge measures next time
It rings.
Finally it should be noted that：The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, to the greatest extent
Pipe is described the invention in detail with reference to above-described embodiment, those of ordinary skills in the art should understand that：Still may be used
It is modified or replaced equivalently with the specific implementation mode to the present invention, and is repaiied without departing from any of spirit and scope of the invention
Change or equivalent replacement, should all cover in present claims range.
Claims (10)
1. a kind of miniaturization disc insulator surface charge three-dimensional measuring apparatus, which is characterized in that including：Tubular main tank body, institute
It states tubular main tank body lower end and is connected with lower cover, the upper end is overlapped with the first disc insulator, two are offered on the lower cover
A first through hole plugs supporting rod in two first through hole respectively, and two post uppers are connected with metallic cylinder,
One of them described supporting rod lower end is connected with first driving means, and the first driving means drive the supporting rod to transport up and down
It is dynamic, the second through-hole is further opened on the lower cover, second through-hole is located between two first through hole, and described the
It is inserted with the first guide rod in two through-holes, external second driving device of first lower end of the guide rod or third driving device are described
Second driving device drives first guide rod vertically to move up and down, and the third driving device drives described first to lead
Bar rotary motion, first guide rod upper end are connected with collets, and first electrode, first electricity are inserted on the collets
It is hung equipped with second electrode above pole, the second electrode lower end is provided with grading shield, and the first electrode upper end is provided with down
Grading shield is provided with the second disc insulator, the outer rim overlap joint of second disc insulator between the upper and lower grading shield
It is connected to by conducting wire between the inner wall of the metallic cylinder, the second electrode and the supporting rod, and pacified on the conducting wire
Equipped with resistance and power supply, the tubular main tank body side is provided with the second guide rod, and second guide rod passes through the tubular
The side wall of main tank body extends to inside it, and one end end set that second guide rod is located at the tubular tank interior has spy
Head, the probe can be rotated around second guide rod, the external four-drive device of the other end, and the four-drive device drives
The second guide rod side-to-side movement in the horizontal direction, the probe are sequentially connected with electrostatic galvanometer, microcontroller and meter by data line
Calculation machine.
2. a kind of miniaturization disc insulator surface charge three-dimensional measuring apparatus according to claim 1, it is characterised in that：
Open up fluted on the upper grading shield, the second electrode lower end is convexly equipped with boss, and the boss is flush-mounted in the groove,
And it is provided with spring catch between the boss and groove.
3. a kind of miniaturization disc insulator surface charge three-dimensional measuring apparatus according to claim 1, it is characterised in that：
Described pop one's head in is articulated with the end of second guide rod by connecting shaft.
4. a kind of miniaturization disc insulator surface charge three-dimensional measuring apparatus according to claim 1, it is characterised in that：
The probe is provided with transmission device with second guide rod junction, and the transmission device includes first bevel gear and the second cone
Gear, the second guide rod end set have U-bracket, second guide rod to pass through one end end of the bottom plate of the U-bracket
Portion is arranged the first bevel gear, and transmission shaft is provided on the both side plate of the U-bracket, and the second bevel gear is set in institute
It states on the transmission shaft between the both side plate of U-bracket, and the first bevel gear and second bevel gear are meshed, the transmission shaft
Extend to the affixed probe in one end end outside the U-bracket.
5. a kind of miniaturization disc insulator surface charge three-dimensional measuring apparatus according to claim 1, it is characterised in that：
Described first, second, third and four-drive device be stepper motor.
6. a kind of miniaturization disc insulator surface charge three-dimensional measuring apparatus according to claim 5, it is characterised in that：
Gear, the support are arranged on the output shaft of the first driving means, the second driving device and four-drive device respectively
Rack is respectively arranged on the shaft of bar, the first guide rod and the second guide rod, the gear and rack are meshed, and the gear drives
The rack movement, and then drive the supporting rod, the first guide rod and the second guide rod linear motion；The third driving device
Output shaft is connect by shaft coupling with first guide rod.
7. a kind of miniaturization disc insulator surface charge three-dimensional measuring apparatus according to claim 1, it is characterised in that：
The third driving device is stepper motor, described first, second and four-drive device be hydraulic cylinder or cylinder, institute
The output shaft for stating third driving device is connect by shaft coupling with first guide rod, the piston rod of the hydraulic cylinder or cylinder
It is connect respectively with the supporting rod, the first guide rod and the second guide rod.
8. a kind of miniaturization disc insulator surface charge three-dimensional measuring apparatus according to claim 1, it is characterised in that：
The first ultrasonic sensor and the second ultrasonic sensor, and described are provided at the main inner tank wall different height of tubular
Two ultrasonic sensors are L at a distance from tubular main tank body lower cover1, under first ultrasonic sensor and tubular main tank body
The distance of cover board is L2, when the lower grading shield of second disc insulator and the second electrode lower end contacts, described the
The distance of two disc insulator upper limbs to probe lower end is L3, the second disc insulator lower edge to metallic cylinder upper surface
Distance be L4, the L1Less than or equal to L3, the L2Less than or equal to L3And L4The sum of.
9. a kind of miniaturization disc insulator surface charge three-dimensional measuring apparatus according to claim 1, it is characterised in that：
Quartzy form is offered on the side wall of the tubular main tank body.
10. a kind of miniaturization disc insulator surface charge three-dimensional measuring apparatus according to claim 1 insulate to benzvalene form
The method that sublist surface charge measures, which is characterized in that be as follows：
Step 1：The second disc insulator surfaces externally and internally is from top to bottom divided into M measurement circle, and will each be measured
Circle is N number of measurement angle according to angular divisions, obtains MxN measurement point, wherein M and N are the natural number more than or equal to 1；
Step 2：It checks the air-tightness of the tubular main tank body, the second disc insulator is then placed in the tubular main tank body
It is internal；
Step 3：It is inflated into the tubular main tank body, feeds insulating gas and stop filling until after reaching required pressure inside it
Gas；
Step 4：The power supply is connected, voltage is applied to the second disc insulator both ends, in second disc insulator two
After end applies 10~30 minutes voltage, the power supply is closed, the second disc insulator both end voltage is removed；
Step 5：Start the first driving means, the supporting rod is driven to move downward, makes second disc insulator
Outer rim is detached from the metallic cylinder, is inhibited charge to dissipate from low-pressure side, is closed the first driving means；
Step 6：First guide rod is connect with second driving device, startup second driving device, described in drive
First guide rod moves downward, and second disc insulator is made to be detached from the second electrode, and charge is inhibited to dissipate from high-pressure side,
Close second driving device；
Step 7：Second guide rod is connect with the four-drive device, the startup four-drive device, described in drive
Second guide rod is moved towards the second disc insulator, is moved to above second disc insulator, make the probe with it is described
Second disc insulator contacts, and adjustment probe vertical closes the 4th driving in the inner surface of second disc insulator
Device；
Step 8：Described pop one's head in is placed in the bottom of the second disc insulator inner surface, by first guide rod with it is described
Third driving device connects, and drives second disc insulator to rotate by the third driving device, to second basin
Formula insulator starts from coil to coil and measures；
Step 9：It, will be described by all member resets of device after the Inner surface measurement of second disc insulator is finished
Second disc insulator overturns 180 °, repeats the above steps two to step 8, completes the appearance to second disc insulator
The measurement in face；
Step 10：After measurement is complete, the second disc insulator surface need to be handled again, is got rid of in measurement process
In the charge of the second disc insulator surface accumulation, to exclude the influence that residual charge measures next time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810409765.9A CN108490278B (en) | 2018-05-02 | 2018-05-02 | Miniaturized basin-type insulator surface charge three-dimensional measurement device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810409765.9A CN108490278B (en) | 2018-05-02 | 2018-05-02 | Miniaturized basin-type insulator surface charge three-dimensional measurement device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108490278A true CN108490278A (en) | 2018-09-04 |
| CN108490278B CN108490278B (en) | 2023-10-27 |
Family
ID=63352614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810409765.9A Active CN108490278B (en) | 2018-05-02 | 2018-05-02 | Miniaturized basin-type insulator surface charge three-dimensional measurement device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108490278B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109799441A (en) * | 2019-03-29 | 2019-05-24 | 云南电网有限责任公司电力科学研究院 | A kind of rotary GIS simulation tank body creeping discharge quick experiment device |
| CN110161323A (en) * | 2019-04-17 | 2019-08-23 | 天津大学 | Insulator surface potential measurement system and measurement method based on multisensor syste |
| CN111308230A (en) * | 2018-12-12 | 2020-06-19 | 平高集团有限公司 | Surface charge measuring device and measuring method |
| CN112649706A (en) * | 2020-12-23 | 2021-04-13 | 国家电网有限公司 | Ultra-high voltage line insulator degradation monitoring devices |
| CN114675091B (en) * | 2022-04-05 | 2023-07-18 | 中国长江电力股份有限公司 | High-voltage basin-type insulator surface particle aggregation electric field analysis device |
| CN116859201A (en) * | 2023-09-05 | 2023-10-10 | 武汉莱恩输变电设备股份有限公司 | Device and method for measuring and detecting surface charge quantity of high-voltage power transmission and transformation insulator |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000147037A (en) * | 1998-11-04 | 2000-05-26 | Kansai Electric Power Co Inc:The | Method for measuring space charge |
| JP2012204430A (en) * | 2011-03-24 | 2012-10-22 | Toshiba Corp | Nonvolatile semiconductor memory device and method of manufacturing the same |
| KR20140032569A (en) * | 2012-09-06 | 2014-03-17 | 현대중공업 주식회사 | Device for online insulators condition monitoring |
| CN103954850A (en) * | 2014-04-22 | 2014-07-30 | 重庆大学 | Surface charge measuring system with external motion control mechanism and measuring method |
| CN104020363A (en) * | 2014-06-03 | 2014-09-03 | 华北电力大学 | Three-dimensional measuring device and method of charges on surface of basin-type insulator |
| CN104777373A (en) * | 2015-03-27 | 2015-07-15 | 华北电力大学 | High-vacuum solid insulation surface charge measuring probe control system |
| CN104991129A (en) * | 2015-03-27 | 2015-10-21 | 华北电力大学 | Vacuum insulator surface charge three-dimensional measurement apparatus |
| CN105203859A (en) * | 2015-09-11 | 2015-12-30 | 华北电力大学 | Rotary charge measurement mechanism considering metal particle influence |
| CN105785146A (en) * | 2016-03-23 | 2016-07-20 | 华北电力大学 | Insulator surface charge measurement platform capable of simulating DC GIL internal temperature rise |
| CN105785145A (en) * | 2016-03-23 | 2016-07-20 | 华北电力大学 | DC GIL disc insulator surface charge density measurement and observation platform |
| CN208092141U (en) * | 2018-05-02 | 2018-11-13 | 沈阳工业大学 | A kind of miniaturization disc insulator surface charge three-dimensional measuring apparatus |
-
2018
- 2018-05-02 CN CN201810409765.9A patent/CN108490278B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000147037A (en) * | 1998-11-04 | 2000-05-26 | Kansai Electric Power Co Inc:The | Method for measuring space charge |
| JP2012204430A (en) * | 2011-03-24 | 2012-10-22 | Toshiba Corp | Nonvolatile semiconductor memory device and method of manufacturing the same |
| KR20140032569A (en) * | 2012-09-06 | 2014-03-17 | 현대중공업 주식회사 | Device for online insulators condition monitoring |
| CN103954850A (en) * | 2014-04-22 | 2014-07-30 | 重庆大学 | Surface charge measuring system with external motion control mechanism and measuring method |
| CN104020363A (en) * | 2014-06-03 | 2014-09-03 | 华北电力大学 | Three-dimensional measuring device and method of charges on surface of basin-type insulator |
| CN104777373A (en) * | 2015-03-27 | 2015-07-15 | 华北电力大学 | High-vacuum solid insulation surface charge measuring probe control system |
| CN104991129A (en) * | 2015-03-27 | 2015-10-21 | 华北电力大学 | Vacuum insulator surface charge three-dimensional measurement apparatus |
| CN105203859A (en) * | 2015-09-11 | 2015-12-30 | 华北电力大学 | Rotary charge measurement mechanism considering metal particle influence |
| CN105785146A (en) * | 2016-03-23 | 2016-07-20 | 华北电力大学 | Insulator surface charge measurement platform capable of simulating DC GIL internal temperature rise |
| CN105785145A (en) * | 2016-03-23 | 2016-07-20 | 华北电力大学 | DC GIL disc insulator surface charge density measurement and observation platform |
| CN208092141U (en) * | 2018-05-02 | 2018-11-13 | 沈阳工业大学 | A kind of miniaturization disc insulator surface charge three-dimensional measuring apparatus |
Non-Patent Citations (1)
| Title |
|---|
| 齐波: "交/直流电压下气体绝缘变电站盆式绝缘子表面电荷对闪络电压的影响", 《高电压技术》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111308230A (en) * | 2018-12-12 | 2020-06-19 | 平高集团有限公司 | Surface charge measuring device and measuring method |
| CN109799441A (en) * | 2019-03-29 | 2019-05-24 | 云南电网有限责任公司电力科学研究院 | A kind of rotary GIS simulation tank body creeping discharge quick experiment device |
| CN110161323A (en) * | 2019-04-17 | 2019-08-23 | 天津大学 | Insulator surface potential measurement system and measurement method based on multisensor syste |
| CN112649706A (en) * | 2020-12-23 | 2021-04-13 | 国家电网有限公司 | Ultra-high voltage line insulator degradation monitoring devices |
| CN112649706B (en) * | 2020-12-23 | 2022-10-28 | 国家电网有限公司 | Ultra-high voltage line insulator degradation monitoring devices |
| CN114675091B (en) * | 2022-04-05 | 2023-07-18 | 中国长江电力股份有限公司 | High-voltage basin-type insulator surface particle aggregation electric field analysis device |
| CN116859201A (en) * | 2023-09-05 | 2023-10-10 | 武汉莱恩输变电设备股份有限公司 | Device and method for measuring and detecting surface charge quantity of high-voltage power transmission and transformation insulator |
| CN116859201B (en) * | 2023-09-05 | 2023-11-17 | 武汉莱恩输变电设备股份有限公司 | Device and method for measuring and detecting surface charge quantity of high-voltage power transmission and transformation insulator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108490278B (en) | 2023-10-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108490278A (en) | A kind of miniaturization disc insulator surface charge three-dimensional measuring apparatus and method | |
| CN208092141U (en) | A kind of miniaturization disc insulator surface charge three-dimensional measuring apparatus | |
| CN108732473A (en) | A kind of miniaturization disc insulator surface charge distribution synchronous measuring apparatus and method | |
| CN105785145B (en) | Direct current GIL disc insulator surface charge densities measure and observation platform | |
| CN105301465B (en) | A kind of DC gas insulated local discharge of electrical equipment decomposes analogue experiment installation | |
| CN103809085B (en) | Termination and cable voltage method of testing for cable voltage test | |
| CN206696385U (en) | A kind of silastic material surface state man-made chamber platform | |
| CN213813840U (en) | Multifunctional cable main insulation fault and partial discharge simulation device | |
| Qi et al. | Surface charge distribution on GIS insulator under DC/AC voltage | |
| CN102608388A (en) | VFTO (very fast transient overvoltage) measurement method and system | |
| CN106707048B (en) | A kind of GIS combination electric appliance intelligent assembly device for detecting performance | |
| CN206515427U (en) | One kind is used to simulate high voltage polymorphic type partial discharge model device | |
| CN109557439A (en) | Paper oil insulation defect casing operating condition simulator | |
| CN109799433A (en) | A kind of electrical performance test device and method of insulating materials | |
| CN110554254B (en) | Observing device for metal dust adsorption and accumulated charges of GIS or GIL equipment | |
| CN107356825A (en) | A kind of disc insulator model surface charge detecting device | |
| CN107748295A (en) | A kind of device and method of GIS disc insulators dielectric loss test | |
| CN102830332A (en) | Modularized defect simulator for local discharge detection of gas insulated switchgear | |
| CN212674710U (en) | Device for testing motion characteristics of conductive particles in GIL/GIS and cylinder unit thereof | |
| CN109901028A (en) | Paper oil insulation dielectric response measuring device with hot-oil circulation function | |
| CN202522378U (en) | Testing device of insulator voltage withstanding test | |
| CN111487510B (en) | Insulating pull rod characteristic testing device | |
| CN208156142U (en) | A kind of miniaturization disc insulator surface charge distribution synchronous measuring apparatus | |
| CN106771623A (en) | The test device of insulating materials resistance and resistivity under a kind of hot environment | |
| CN115542095A (en) | GIS basin-type insulator surface charge measuring device and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |