CN107728026A - Insulation print to cable carries out the device of electric breakdown test - Google Patents
Insulation print to cable carries out the device of electric breakdown test Download PDFInfo
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- CN107728026A CN107728026A CN201711024484.3A CN201711024484A CN107728026A CN 107728026 A CN107728026 A CN 107728026A CN 201711024484 A CN201711024484 A CN 201711024484A CN 107728026 A CN107728026 A CN 107728026A
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- oil groove
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- 238000009413 insulation Methods 0.000 title claims abstract description 180
- 230000015556 catabolic process Effects 0.000 title claims abstract description 70
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims description 39
- 230000033001 locomotion Effects 0.000 claims description 25
- 230000005611 electricity Effects 0.000 claims description 12
- 238000004458 analytical method Methods 0.000 description 6
- 238000010292 electrical insulation Methods 0.000 description 6
- 239000004698 Polyethylene Substances 0.000 description 5
- -1 polyethylene Polymers 0.000 description 5
- 229920000573 polyethylene Polymers 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
Classifications
-
- 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
- G01R31/1263—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 solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
- G01R31/1272—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 solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of cable, line or wire insulation, e.g. using partial discharge measurements
-
- 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
- G01R31/20—Preparation of articles or specimens to facilitate testing
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The invention provides the device that a kind of insulation print to cable carries out electric breakdown test, the device includes：Oil groove, lid, first electrode and second electrode and conveyer and linkage；First electrode is oppositely arranged with second electrode and has pre-determined distance, and first electrode is connected with the bottom wall of oil groove, and second electrode is used to be connected with voltage generator；Conveyer is used to make slideably to be arranged between first electrode and second electrode in the insulation print of film state, and stops transmission insulation print when puncture place is placed between first electrode and second electrode when insulation print；Linkage is connected with second electrode, for driving second electrode to move, when insulation print is when puncture place is placed between first electrode and second electrode so that second electrode is located in insulation print with first electrode.The present invention realizes automatically and continuously respectively treats that puncture place carries out electric breakdown test successively to insulation print, and without manually participating in.
Description
Technical field
The present invention relates to insulating properties technical field, is carried out in particular to a kind of insulation print to cable electric
The device of breakdown test.
Background technology
In order to analyze the insulation characterisitic of twisted polyethylene cable, it is common practice to：In the insulation of twisted polyethylene cable
Certain thickness insulation print is produced on layer, insulation print thickness is measured using thickness gauge.Power-frequency voltage device is recycled to electricity
Pole applies voltage, then electrode carries out electric breakdown test in insulating oil to insulation print, its breakdown voltage value is counted, with reference to exhausted
The disruptive field intensity for the THICKNESS CALCULATION insulation print that edge print measures.The insulation of twisted polyethylene cable is analyzed according to disruptive field intensity
Characteristic.Wherein, the form of electrode is different, and the breakdown voltage value calculated is also different.
In actual tests operation, generally repeatedly cut into slices on the insulating barrier of twisted polyethylene cable, so as to obtain
Multiple insulation prints, electric breakdown test is then carried out respectively to each insulation print, calculate and hit corresponding to each insulation print
Wear magnitude of voltage.Therefore, staff needs that each insulation print is positioned in the device of electric breakdown test successively, when one
The print that insulate is carried out after the completion of electric breakdown test, it is necessary to and exchange another insulation print for and continue electric breakdown test,
So, electric breakdown test continuously can not be carried out to each insulation print, so as to cause can not continuously to reflect electricity comprehensively
The electrical insulative property of cable insulating barrier.Also, need staff manually operated when changing insulation print, then it is artificial participate in compared with
It is more, easily cause result of the test deviation occur.
The content of the invention
In consideration of it, the present invention proposes the device that a kind of insulation print to cable carries out electric breakdown test, it is intended to solves
Certainly continuously multiple insulation prints can not be carried out with electric breakdown test in the prior art and manually participate in more easily influence experiment
As a result the problem of.
The present invention proposes the device that a kind of insulation print to cable carries out electric breakdown test, and the device includes：Oil
Groove, fill with the lid of the retractable connection of oil groove, the first electrode being placed in oil groove and second electrode and conveyer and linkage
Put；Wherein, first electrode is oppositely arranged with second electrode and has pre-determined distance, and first electrode is connected with the bottom wall of oil groove,
Second electrode is used to be connected with the voltage generator being placed in outside oil groove；Conveyer is used to make the insulation sample in film state
Piece is slideably arranged between first electrode and second electrode, and treats that puncture place is placed in first electrode when insulation print
When between second electrode, stop transmission insulation print；Linkage is connected with second electrode, for driving second electrode to transport
It is dynamic, when insulation print is when puncture place is placed between first electrode and second electrode so that second electrode and first electrode
It is located in insulation print.
Further, the above-mentioned insulation print to cable is carried out in the device of electric breakdown test, and conveyer includes：Drive
Motivation structure, driving wheel and driven pulley；Wherein, lid, which offers first and wears mouth and second, wears mouth, and first wears mouth and second
Wear the both sides that mouth corresponds respectively to second electrode；The first end of insulation print is set around driven pulley, and insulation print can be slided successively
The first gap and second worn between mouth, first electrode and second electrode is arranged in dynamicly wears mouth, the second of the print that insulate
End is set around driving wheel；Drive mechanism is connected with driving wheel, for driving driving wheel to rotate, drives insulation print slideably
The gap being arranged between first electrode and second electrode, and treat that puncture place is placed in first electrode and the when insulation print
When between two electrodes, stop driving driving wheel and rotate.
Further, the above-mentioned insulation print to cable is carried out in the device of electric breakdown test, and conveyer also includes：
Guiding mechanism；Wherein, guiding mechanism is arranged in oil groove, for being oriented to insulation print, so that insulation print is placed in the
In gap between one electrode and second electrode.
Further, the above-mentioned insulation print to cable is carried out in the device of electric breakdown test, and guiding mechanism includes：Two
Individual guidance set；Wherein, two guidance sets are connected with the bottom wall of oil groove, also, two guidance sets are respectively placed in
The both sides of one electrode, and, the gap location that each guidance set is both corresponded between first electrode and second electrode.
Further, the above-mentioned insulation print to cable is carried out in the device of electric breakdown test, and each guidance set is equal
Including：Base, the first guide, the second guide and two block pieces；Wherein, base is connected with the bottom wall of oil groove, also,
Gap between the top surface and first electrode and second electrode of base is in same plane；The first end and base of first guide
It is connected, the first end of the second guide is adjustably connected with position base, and the second guide is used to adjust to be oriented to first
Gap between part, gap are used to pass through insulation print；Two block pieces respectively with the second end of the first guide and second
Second end of guide connects one to one.
Further, the above-mentioned insulation print to cable is carried out in the device of electric breakdown test, and each guidance set is equal
Also include：Guide rail；Wherein, guide rail is connected to base, and the first end of the second guide is provided with sliding block, and sliding block and guide rail are slidably
Ground connects.
Further, the above-mentioned insulation print to cable is carried out in the device of electric breakdown test, linkage and active
Wheel is connected, and linkage is used to drive second electrode motion under the drive of driving wheel, and when the position to be punctured of insulation print
When being placed between first electrode and second electrode so that second electrode moves to lives the print that insulate with first electrode sandwiched.
Further, the above-mentioned insulation print to cable is carried out in the device of electric breakdown test, and linkage includes：Pass
Lever, connecting rod and cam mechanism；Wherein, connecting rod is slideably arranged in lid and is partially disposed in oil groove, connecting rod
First end is connected with second electrode, and the second end of connecting rod is connected with voltage generator；The first end of drive link and active
Wheel is connected, and the second end of drive link is connected by cam mechanism with connecting rod.
Further, the device of the above-mentioned electric breakdown test of insulation print progress to cable also includes：Elastic component；Its
In, elastic component is sheathed on the part that connecting rod is placed in oil groove and is placed between second electrode and lid.
Further, the above-mentioned insulation print to cable is carried out in the device of electric breakdown test, and drive mechanism is driving
Motor.
In the present invention, by setting the insulation print in film state, compared to the print that insulate in the prior art in a piece of
One sheet, enable to insulation print continuously to carry out electric breakdown test, also, the sample that insulate is enabled to by conveyer
Piece automatically delivers so that the print that insulate respectively treats that puncture place is sequentially placed between first electrode and second electrode, passes through the dress that links
Put and enable to insulation print to be located between first electrode and second electrode, be convenient for electric breakdown test, realize certainly
Move and puncture place carries out electric breakdown test successively respectively continuously to be treated to insulation print, and then can be comprehensively continuously to electricity
The electrical insulation properties of cable insulating barrier carry out comprehensive analysis, also, without manually participating in, compared in the prior art by each insulation
Print carries out electric breakdown test successively, when greatly reducing the inconsistency operated every time and reducing each experiment electrode with
The deviation of exposure level between insulation print etc., is effectively improved the accuracy of electric breakdown test result, and then ensure
The accuracy of the electrical insulation properties analysis of cable insulation, solve in the prior art can not be continuously to multiple insulation prints
Carry out electric breakdown test and manually participate in more the problem of easily influenceing result of the test.
Brief description of the drawings
By reading the detailed description of hereafter preferred embodiment, it is various other the advantages of and benefit it is common for this area
Technical staff will be clear understanding.Accompanying drawing is only used for showing the purpose of preferred embodiment, and is not considered as to the present invention
Limitation.And in whole accompanying drawing, identical part is denoted by the same reference numerals.In the accompanying drawings：
Fig. 1 is that the structure for the device that the insulation print provided in an embodiment of the present invention to cable carries out electric breakdown test is shown
It is intended to；
Fig. 2 is oil groove in the device provided in an embodiment of the present invention to the electric breakdown test of print progress that insulate of cable
Overlooking the structure diagram；
Fig. 3 is guiding group in the device provided in an embodiment of the present invention to the electric breakdown test of print progress that insulate of cable
The structural representation of part.
Embodiment
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although the disclosure is shown in accompanying drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
Limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
Completely it is communicated to those skilled in the art.It should be noted that in the case where not conflicting, embodiment in the present invention and
Feature in embodiment can be mutually combined.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Referring to Fig. 1, Fig. 1 is the device that the insulation print provided in an embodiment of the present invention to cable carries out electric breakdown test
Structural representation.As illustrated, electrically the device of breakdown test can include：Oil groove 1, lid 2, the electricity of first electrode 3, second
Pole 4, conveyer 6 and linkage 7.Wherein, oil groove 1 is the housing of an inner hollow, is filled with the inside of oil groove 1 absolutely
Edge oil.The top of oil groove 1 is provided with lid 2, and lid 2 can be opened and closed to be connected with oil groove 1.
First electrode 3 is placed in oil groove 1 with second electrode 4, also, is placed in the core of oil groove 1.First electrode 3
It is oppositely arranged with second electrode 4, also, there is pre-determined distance between first electrode 3 and second electrode 4.First electrode 3 and oil groove
1 bottom wall is connected so that first electrode 3 is relatively fixed with oil groove 1, i.e., the state that first electrode 3 remains stationary.And
And first electrode 3 is connected with earthing pole so that first electrode 3 is grounded.Second electrode 4 is placed in the top (phase of first electrode 3
For Fig. 1), second electrode 4 is used to be connected with the voltage generator 5 being placed in outside oil groove 1, and voltage generator 5 is used for
High voltage is applied to second electrode 4.Specifically, it is connected between second electrode 4 and voltage generator 5 by high-voltage connection, then
Second electrode 4 is set in oil groove 1 in hanging.Voltage generator 5 can be high pressure generator.When it is implemented, first electrode 3
Pre-determined distance between second electrode 4 can determine that the present embodiment is not intended to be limited in any to this according to actual conditions.
Conveyer 6 is used to make slideably to be arranged in first electrode 3 and second electrode in the insulation print 8 of film state
Between 4, and when insulation print 8 is when puncture place is placed between first electrode 3 and second electrode 4, stopping transmission being insulated
Print 8.Specifically, conveyer 6 is used to transmit insulation print 8, and the insulation print 8 is in film state, the i.e. insulation from cable
Continuously cut in the shape of a spiral on layer so that the insulation print 8 scaled off is in continuous strip state, similar to film, also, absolutely
The thickness of edge print 8 keeps identical.Insulation print 8 is slideably arranged in oil groove 1, and is partially disposed in the inside of oil groove 1.In oil
The inside of groove 1, the gap location that insulation print 8 is placed between first electrode 3 and second electrode 4, and from the gap location slideably
Wear, ultimately out oil groove 1 is placed in the outside of oil groove 1.Print 8 insulate under the transmission effect of conveyer 6, constantly from the
Gap location between one electrode 3 and second electrode 4 passes through.Treat that puncture place is placed in first electrode 3 and second when insulation print 8
When between electrode 4, conveyer 6 stops transmission insulation print 8, the then stop motion of print 8 of insulating.
When it is implemented, cable can be twisted polyethylene cable, or other cables, the present embodiment to this not
Do any restrictions.
Linkage 7 is connected with second electrode 4, and linkage 7 is used to drive second electrode 4 to move, when insulation print 8
When puncture place is placed between first electrode 3 and second electrode 4 so that second electrode 4 and first electrode 3 are located in insulation
Print 8.Specifically, second electrode 4 under the drive of linkage 7 can to (downward shown in Fig. 1) motion at first electrode 3 with
The gap between first electrode 3 and second electrode 4 is set to diminish, also can be to away from (upward shown in Fig. 1) motion at first electrode 3
So that the gap between first electrode 3 and second electrode 4 becomes big.When insulation print 8 treat puncture place be placed in first electrode 3 with
When between second electrode 4, the stop motion of print 8 of insulating.Linkage 7 drives second electrode 4 to be moved at first electrode 3, then
Gap between first electrode 3 and second electrode 4 diminishes, and the insulation print 8 of halted state is in sandwiched.Now, voltage is sent out
Raw device 5 can apply high voltage to second electrode 4, with breakdown insulation print 8.When breakdown insulate print 8 after, conveyer 6 after
Resume and send insulation print 8, then linkage 7 drive second electrode 4 to away from move at first electrode 3 so that first electrode 3 with
Gap between second electrode 4 becomes big, is easy to passing through for insulation print 8.
Linkage 7 can be connected with conveyer 6, and linkage 7 drives the second electricity under the drive of conveyer 6
The motion of pole 4.
When it is implemented, insulation print 8 treat puncture place can by predefine insulation print 8 displacement come
It is determined that then when insulation print 8 is first after puncture place is punctured, after the default displacement of movement, that is, reach
Second treats puncture place.Can also be that the position for carrying out electric breakdown test to insulation print 8 in advance is determined, and works as insulation
The first of print 8 after puncture place is punctured, be moved to insulation print 8 second after puncture place, to the sample that insulate
Piece 8 carries out electric breakdown test.The determination for the treatment of puncture place of the present embodiment to the print 8 that insulate is not intended to be limited in any.
The course of work is：Under original state, the gap between first electrode 3 and second electrode 4 is larger, in film state
Insulation print 8 wears oil groove 1 and worn between first electrode 3 and second electrode 4, and insulation print 8 is connected with conveyer 6
Connect.The transmission insulation print 8 of conveyer 6 so that gap location of the insulation print 8 between first electrode 3 and second electrode 4 is worn
Past.Linkage 7 drives second electrode 4 to move, and treats that puncture place is placed in the electricity of first electrode 3 and second when insulation print 8
When between pole 4, conveyer 6 stops transmission insulation print 8, and second electrode 4 is moved at first electrode 3, also, second electrode
4 gaps just moved between first electrode 3 are smaller, and the print 8 that insulate is lived with sandwiched.Voltage generator 5 is to second electrode 4
Apply high voltage, insulation print 8 is treated to carry out electrically at puncture place in the collective effect of second electrode 4 and first electrode 3
Breakdown test, breakdown voltage value is obtained, and then calculate disruptive field intensity corresponding to the opening position.At this moment, conveyer 6 continues to transmit
Insulate print 8, when next when puncture place is placed between first electrode 3 and second electrode 4, the stopping biography of insulation print 8
Send insulation print 8 and sandwiched lives the print 8 that insulate, carry out electric breakdown test, calculate disruptive field intensity corresponding to the opening position.Successively
Said process is repeated, puncture place, which carries out breakdown test, to be treated to the multiple of insulation print 8, obtains breakdown field corresponding to position
By force, and then the insulation characterisitic of the cable is analyzed.
As can be seen that in the present embodiment, by setting the insulation print 8 in film state, compared to exhausted in the prior art
Edge print enables to insulation print 8 continuously to carry out electric breakdown test, also, pass through conveyer 6 in shape one by one
Insulation print 8 is enabled to automatically deliver so that the print 8 that insulate respectively treats that puncture place is sequentially placed into the electricity of first electrode 3 and second
Between pole 4, enable to insulation print 8 to be located between first electrode 3 and second electrode 4 by linkage 7, be convenient for
Electric breakdown test, realize and puncture place carries out electric breakdown test successively respectively automatically and continuously to be treated to insulation print 8,
And then comprehensive analysis continuously can be carried out to the electrical insulation properties of cable insulation comprehensively, also, without manually participating in, phase
Compared with each insulation print is carried out into electric breakdown test successively in the prior art, the inconsistency operated every time is greatly reduced simultaneously
The deviation of exposure level when reducing each experiment between electrode and insulation print etc., is effectively improved electric breakdown test
As a result accuracy, and then the accuracy of the electrical insulation properties analysis of cable insulation is ensure that, solve in the prior art
Continuously multiple insulation prints can not be carried out with electric breakdown test and manually participate in more the problem of easily influenceing result of the test.
With continued reference to Fig. 1, in above-described embodiment, conveyer 6 can include：Drive mechanism 61, driving wheel 62 and driven
Wheel 63.Wherein, lid 2, which offers first and wears mouth 21 and second, wears mouth 22, and first, which wears mouth 21 and second, wears mouth 22 and be
Parallel side-by-side is set, and first, which wears mouth 21 and second, wears mouth 22 and be used to wearing for insulation print 8.First wears the He of mouth 21
Second wears the both sides that mouth 22 corresponds respectively to second electrode 4, and specifically, first, which wears mouth 21 and second, wears mouth 22 and put respectively
In the left and right of second electrode 4 (for Fig. 1) both sides, enter so that insulation print 8 wears mouth 21 by first in oil groove 1,
Mouth 22 is worn by second pass oil groove 1 again.
First length for wearing mouth 21 is more than or equal to the width of insulation print 8, it is preferred that first wear the length of mouth 21 with
The width of insulation print 8 matches.Second length for wearing mouth 22 is more than or equal to the width of insulation print 8, it is preferred that second wears
If the length of mouth 22 and the width for the print 8 that insulate match.First, which wears the length direction of mouth 21 and second, wears the length of mouth 22
It is parallel (perpendicular to the direction of paper in Fig. 1) with the width of oil groove 1 to spend direction.
The first end (right-hand member shown in Fig. 1) of insulation print 8 is set around driven pulley 63, and insulation print 8 is successively slideably
It is arranged in first and wears gap between mouth 21, first electrode 3 and second electrode 4 and second and wears mouth 22, the of insulation print 8
Two ends (left end described in Fig. 1) are set around driving wheel 62.Specifically, the print 8 that insulate is arranged in oil groove 1 in U-typed.
Drive mechanism 61 is connected with driving wheel 62, and drive mechanism 61 is used to drive driving wheel 62 to rotate, and drives insulation sample
Piece 8 is slideably arranged in the gap between first electrode 3 and second electrode 4, and treats that puncture place is put when insulation print 8
When between first electrode 3 and second electrode 4, stop driving driving wheel 62 and rotate.Specifically, due to the both ends for the print 8 that insulate
Rotating around located at driving wheel 62 and driven pulley 63, so, driving wheel 62 is rotated under the driving effect of drive mechanism 61, band
Dynamic insulation print 8 drives driven pulley 63 to rotate to slip at driving wheel 62 so that the release insulation print 8 of driven pulley 63, absolutely
Edge print 8 wears gap between mouth 21, first electrode 3 and second electrode 4 and second along first and wears mouth 22 and slide successively, and
It is set around driving wheel 62.When one of them of insulation print 8 treats that puncture place is placed between first electrode 3 and second electrode 4
When, motor stops driving driving wheel 62 and rotated, then the stop motion of print 8 of insulating.
Preferably, drive mechanism 61 is motor, and the drive shaft of motor is connected with driving wheel 62.Specific implementation
When, the device of electric breakdown test can also include：Electric machine controller 10, wherein, electric machine controller 10 is connected with motor
Connect, electric machine controller 10 is used for the rotation and stopping for controlling motor.
As can be seen that in the present embodiment, drive driving wheel 62 to rotate by drive mechanism 61 and drive insulation print 8 from first
Gap location between electrode 3 and second electrode 4 is worn, and realizes automatically delivering for insulation print 8, simple in construction, convenient to carry out,
Further, it is possible to efficiently control the transmission of insulation print 8.
In above-described embodiment, conveyer 6 can also include：Guiding mechanism.Wherein, guiding mechanism is arranged in oil groove 1,
Guiding mechanism is used to be oriented to insulation print 8, so that between insulation print 8 is placed between first electrode 3 and second electrode 4
In gap.Specifically, the insulation print 8 that guiding mechanism is opposite in oil groove 1 is oriented to, and insulation print 8 is just imported into the
In gap between one electrode 3 and second electrode 4.So, by set guiding mechanism enable to insulate print 8 exactly by
Gap location between first electrode 3 and second electrode 4 is worn, and avoids insulation print 8 from offseting, and then ensure that insulation print
8 treat that puncture place is just placed between first electrode 3 and second electrode 4, are convenient for electric breakdown test, effectively improve
The accuracy of breakdown test result.
Referring to Fig. 1 to Fig. 3, the preferred structure of guiding mechanism is shown in figure.As illustrated, in above-described embodiment, it is oriented to
Mechanism can include：Two guidance sets 64.Wherein, bottom wall of two guidance sets 64 with oil groove 1 is connected, also, two
Individual guidance set 64 is respectively placed in the both sides of first electrode 3.Specifically, two guidance sets 64 are respectively placed in first electrode 3
Left and right (for Fig. 1) both sides, the guidance set 64 on the right side of first electrode 3 is placed in being worn by first after mouth 21 wears
Insulation print 8 is oriented to, so that insulation print 8 is delivered to the gap location between first electrode 3 and second electrode 4.It is placed in
The guidance set 64 in the left side of one electrode 3 enters to the insulation print 8 passed by the gap location between first electrode 3 and second electrode 4
Row is oriented to, so that insulation print 8 is delivered to second and worn at mouth 22.
The gap location that each guidance set 64 is both corresponded between first electrode 3 and second electrode 4, i.e., each guidance set
The gap that 64 guide surface is both corresponded between first electrode 3 and second electrode 4, so that insulation print 8 just imports first
Gap location between electrode 3 and second electrode 4.
As can be seen that in the present embodiment, by setting two guidance sets 64, it can effectively ensure that insulation print 8 is accurate
Really the gap location between first electrode 3 and second electrode 4 is worn, and then ensure that insulation print 8 treats puncture place just
The gap location is placed in well.
With continued reference to Fig. 1 to Fig. 3, in above-described embodiment, each guidance set may each comprise：Base 641, first is oriented to
Part 642, the second guide 643 and two block pieces 644.Wherein, base 641 is connected with the bottom wall of oil groove 1, specifically, bottom
The bottom wall of seat 641 can be connected by connector with the bottom wall of oil groove 1.The top surface of base 641 and the electricity of first electrode 3 and second
Gap between pole 4 is in same plane, so that insulation print 8 just imports the gap between first electrode 3 and second electrode 4
Place.
The first end (lower end shown in Fig. 3) of first guide 642 is connected with base 641, and the of the second guide 643
One end (lower end shown in Fig. 3) is adjustably connected with the position of base 641, and the second guide 643 is used to adjust to be oriented to first
Gap between part 642, the gap are used to pass through insulation print 8.Specifically, the first end and second of the first guide 642
The first end of guide 643 is placed in the top surface of base 641.First guide 642 and the second guide 643 are on base 641
It is oppositely arranged so that the gap between the first guide 642 and the second guide 643 is used to pass through for insulation print 8.Also,
The gap between gap and first electrode 3 and second electrode 4 between first guide 642 and the second guide 643 is corresponding.
Two block pieces 644 respectively with the second end (upper end shown in Fig. 3) of the first guide 642 and the second guide
643 the second end (upper end shown in Fig. 3) connects one to one.Specifically, each block piece 644 can be rectangular-shape.
Referring to Fig. 3, the width of the block piece 644 at the second end of the first guide 642 is more than the width of the first guide 642, then and first
Guide 642 formed with block piece 644 it is inverted "L" shaped, with to insulation print 8 carry out it is spacing.Accordingly, second guide 643
The width of the block piece 644 at the second end is more than the width of the second guide 643, then the second guide 643 and block piece 644 also shape
Into inverted "L" shaped.
As can be seen that in the present embodiment, by the gap between the first guide 642 and the second guide 643 for insulation
Print 8 to insulation print 8 by that can be oriented to so that insulation print 8 is preferably delivered to the electricity of first electrode 3 and second
Gap between pole 4 is delivered to second and worn at mouth 22, also, position of second guide 643 on base 641 can
Adjust, to adjust the gap between the second guide 643 and the first guide 642, the insulation of different in width can be better adapted to
Print 8, the scope of application is improved, and, the setting of two block pieces 644, barrier effect can be played to insulation print 8, will
Insulation print 8 is limited in the gap between the second guide 643 and the first guide 642, avoids the disengaging guiding of print 8 that insulate
Component 64.
Referring to Fig. 3, in above-described embodiment, the first end and base 641 of the first guide 642 are such as welded to be fixedly connected
Connection etc., the present embodiment is not intended to be limited in any to this.The side that second guide 643 is adjustably connected with the position of base 641
Formula has many kinds, and the present embodiment is not intended to be limited in any to this, only introduces one kind therein, but not limited to this in the present embodiment
Structure：Each guidance set 64 also includes：Guide rail.Wherein, guide rail is connected to base 641, the first end of the second guide 643
Sliding block is provided with, sliding block is slidably connected with guide rail.Specifically, the position of the second guide 643 can be corresponded in base 641
Put place and guide rail is set, entirely can also lay guide rail on base 641.In order to which anti-limited slip block skids off from guide rail, can lead
The one end of rail away from the first guide 642 sets locating part, and locating part is limited sliding block, and anti-limited slip block departs from guide rail.
When it is implemented, be also provided with latch assembly, the latch assembly is used for it is determined that the second guide 643 and the
The second guide 643 is locked behind gap between one guide 642, avoids the slip of the second guide 643.It is specific real
Shi Shi, latch assembly can be bolt, pass through tightening so that the second guide 643 is fixed, it is of course also possible to according to reality for bolt
Border situation determines that the present embodiment does not do any restrictions to this.
As can be seen that in the present embodiment, by setting guide rail on base 641, so that the second guide 643 and base
641 positions are adjustably connected, and can preferably adjust the gap between the first guide 642 and the second guide 643, so as to
The insulation print 8 of different in width is can adapt to, improves the applicability of the device of the electric breakdown test.
Referring to Fig. 1, in the various embodiments described above, linkage 7 is connected with driving wheel 62, and linkage 7 is used for actively
Drive second electrode 4 to move under the drive of wheel 62, and treat that puncture place is placed in the electricity of first electrode 3 and second when insulation print 8
When between pole 4 so that second electrode 4 moves to lives the print 8 that insulate with the sandwiched of first electrode 3.Specifically, driving wheel 62 is driving
Rotated under the drive of mechanism 61, drive the motion of linkage 7, linkage 7 drives the motion of second electrode 4, and works as
Insulate print 8 when puncture place is soon placed between first electrode 3 and second electrode 4, second electrode 4 just to first electricity
Moved at pole 3, when insulation print 8 is when puncture place is placed between first electrode 3 and second electrode 4, second electrode 4 is just
Gap sandwiched between first electrode 3 lives the print 8 that insulate.
Linkage 7 can include：Drive link 71, connecting rod 72 and cam mechanism 73.Wherein, connecting rod 72 is slideably
It is arranged in lid 2 and is partially disposed in oil groove 1, the first end (lower end shown in Fig. 1) of connecting rod 72 is connected with second electrode 4
Connect, the second end (upper end shown in Fig. 1) of connecting rod 72 is connected by high-voltage connection with voltage generator 5.Specifically, lid
Offer through hole on 2, connecting rod 72 is slideably arranged in the through hole, also, connecting rod 72 is partially disposed in the interior of oil groove 1
Portion, it is partially disposed in the outside of oil groove 1.
The first end (lower end shown in Fig. 1) of drive link 71 is connected with driving wheel 62, second end (Fig. 1 of drive link 71
Shown upper end) it is connected by cam mechanism 73 with connecting rod 72, driving wheel 62 is used for the band in the presence of drive mechanism 61
Dynamic drive link 71 rotates, and then drives the motion of cam mechanism 73, so that connecting rod 72 drives second electrode 4 to move.Specifically,
The part that cam mechanism 73 is placed in outside oil groove 1 with connecting rod 72 is connected.
It should be appreciated by those skilled in the art that cam mechanism 73 is existing structure, for rotation to be changed into linear motion.
Cam mechanism 73 includes：Cam, push rod 731 and frame, the rotation of cam drive the linear motion of push rod 731, wherein, push rod
731 parts being placed in connecting rod 72 outside oil groove 1 are connected.
During work, the rotation of driving wheel 62 drives the rotation of drive link 71, and then drives turning for the cam of cam mechanism 73
It is dynamic so that push rod 731 can the motion (for Fig. 1) up and down, because push rod 731 is connected with connecting rod 72, then push rod 731
Drive connecting rod 72 to move up and down, and then drive second electrode 4 to move up and down, i.e., second electrode 4 can be to away from first electrode 3
Move or to motion at first electrode 3, so that the gap between first electrode 3 and second electrode 4 becomes big or diminished.
After treating that puncture place carries out electric breakdown test for one of the print 8 that insulate, driving wheel 62, which rotates, drives insulation print 8 to the left
(for Fig. 1) motion, meanwhile, the rotation of driving wheel 62 drives connecting rod 72 by drive link 71, cam mechanism 73
Motion so that connecting rod 72 is constantly in the state of up and down motion.Although connecting rod 72 moves downward, second electrode 4 is downward
Motion then causes the gap between first electrode 3 and second electrode 4 to diminish so as to which sandwiched lives insulate print 8, still, driving wheel 62
Constantly rotate, then cam also can be rotated constantly, and connecting rod 72 also may proceed to move upwards, then first electrode 3 and second electrode 4 it
Between gap become greatly so as to discharge insulation print 8, so repeat above-mentioned motion process, until insulation the next of print 8 wait to hit
When wearing position and being placed between first electrode 3 and second electrode 4, driving wheel 62 stops operating, then the print 8 that insulate stops transporting to the left
It is dynamic, the corresponding also stop motion of cam mechanism 73, then the also stop motion of connecting rod 72, also, first electrode 3 and second at this moment
Gap between electrode 4 just diminishes so as to which just sandwiched lives the print 8 that insulate.
As can be seen that in the present embodiment, moved, can be effectively united under the drive of driving wheel 62 by linkage 7
One motion, it is simple in construction, it is convenient to carry out.
With continued reference to Fig. 1, in above-described embodiment, the device of electric breakdown test can also include：Elastic component 9.Wherein, bullet
Property part 9 is sheathed on the part that connecting rod 72 is placed in oil groove 1 and is placed between second electrode 4 and lid 2.Specifically, elastic component 9
Connecting rod 72 is sheathed in compressive state.When second electrode 4 is to during movement at first electrode 3, elastic component 9 is in compressive state；When
When second electrode 4 at first electrode 3 to away from moving, elastic component 9 is in still compressive state, is simply compressed tighter.Elastic component 9 can be with
For spring.
As can be seen that in the present embodiment, by setting elastic component 9, enable to when second electrode 4 is at first electrode 3
When mobile, it can cause that the gap between second electrode 4 and first electrode 3 is smaller in the presence of the elastic force of elastic component 9, more
The insulation print 8 that sandwiched is placed between second electrode 4 and first electrode 3 well so that insulation print 8 and second electrode 4 and the
The contact of one electrode 3 is more close, is easy to voltage generator 5 to apply voltage to insulation print 8 to puncture by second electrode 4.
In summary, the present embodiment enables to insulation print 8 continuously to carry out electric breakdown test, also, passes through biography
Device 6 is sent to enable to insulation print 8 to automatically deliver so that the print 8 that insulate respectively treats that puncture place is sequentially placed into first electrode 3
Between second electrode 4, insulation print 8 is enabled to be located between first electrode 3 and second electrode 4 by linkage 7,
Realize and puncture place carries out electric breakdown test successively respectively automatically and continuously to be treated to insulation print 8, and then can be comprehensive
Comprehensive analysis continuously is carried out to the electrical insulation properties of cable insulation, also, without manually participating in, greatly reduced every time
The deviation of the inconsistency of operation and exposure level when reducing each experiment between electrode and insulation print etc., is effectively carried
The high accuracy of electric breakdown test result, and then ensure that the accuracy of the electrical insulation properties analysis of cable insulation.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (10)
1. a kind of insulation print to cable carries out the device of electric breakdown test, it is characterised in that including：Oil groove (1) and institute
State oil groove (1) retractable connection lid (2), the first electrode (3) being placed in the oil groove (1) and second electrode (4) and
Conveyer (6) and linkage (7)；Wherein,
The first electrode (3) and the second electrode (4) are oppositely arranged and have pre-determined distance, the first electrode (3) and
The bottom wall of the oil groove (1) is connected, and the second electrode (4) is used for the voltage generator outside with being placed in the oil groove (1)
(5) it is connected；
The conveyer (6) is used to make slideably to be arranged in the first electrode (3) in the insulation print (8) of film state
Between the second electrode (4), and when it is described insulation print (8) treat puncture place be placed in the first electrode (3) with
When between the second electrode (4), stop the transmission insulation print (8)；
The linkage (7) is connected with the second electrode (4), for driving the second electrode (4) to move, when described
Insulate print (8) when puncture place is placed between the first electrode (3) and the second electrode (4) so that described the
Two electrodes (4) are located in the insulation print (8) with the first electrode (3).
2. the insulation print according to claim 1 to cable carries out the device of electric breakdown test, it is characterised in that institute
Stating conveyer (6) includes：Drive mechanism (61), driving wheel (62) and driven pulley (63)；Wherein,
The lid (2), which offers first and wears mouth (21) and second, wears mouth (22), and described first wears mouth (21) and described
Second wears the both sides that mouth (22) corresponds respectively to the second electrode (4)；
The first end of the insulation print (8) is set around the driven pulley (63), and the insulation print (8) is slideably worn successively
Wear in the gap and described second worn located at described first between mouth (21), the first electrode (3) and the second electrode (4)
If mouth (22), the second end of the insulation print (8) is set around the driving wheel (62)；
The drive mechanism (61) is connected with the driving wheel (62), for driving the driving wheel (62) to rotate, drives institute
The gap that insulation print (8) is slideably arranged between the first electrode (3) and the second electrode (4) is stated, and is worked as
It is described insulation print (8) when puncture place is placed between the first electrode (3) and the second electrode (4), stop drive
The dynamic driving wheel (62) rotates.
3. the insulation print according to claim 2 to cable carries out the device of electric breakdown test, it is characterised in that institute
Stating conveyer (6) also includes：Guiding mechanism；Wherein,
The guiding mechanism is arranged in the oil groove (1), for being oriented to the insulation print (8), so that described exhausted
Edge print (8) is placed in the gap between the first electrode (3) and the second electrode (4).
4. the insulation print according to claim 3 to cable carries out the device of electric breakdown test, it is characterised in that institute
Stating guiding mechanism includes：Two guidance sets (64)；Wherein,
Bottom wall of two guidance sets (64) with the oil groove (1) is connected, also, two guidance sets (64)
The both sides of the first electrode (3) are respectively placed in, and, each guidance set (64) both corresponds to the first electrode
(3) gap location between the second electrode (1).
5. the insulation print according to claim 4 to cable carries out the device of electric breakdown test, it is characterised in that every
Individual guidance set (64) includes：Base (641), the first guide (642), the second guide (643) and two block pieces
(644)；Wherein,
The base (641) is connected with the bottom wall of the oil groove (1), also, the top surface of the base (641) and described first
Gap between electrode (3) and the second electrode (4) is in same plane；
The first end of first guide (642) is connected with the base (641), and the of second guide (643)
One end is adjustably connected with the base (641) position, and second guide (643) is used to adjust to be oriented to described first
Gap between part (642), the gap are used to pass through the insulation print (8)；
Two block pieces (644) the second end with first guide (642) and second guide (643) respectively
The second end connect one to one.
6. the insulation print according to claim 5 to cable carries out the device of electric breakdown test, it is characterised in that every
Individual guidance set (64) also includes：Guide rail；Wherein,
The guide rail is connected to the base (641), and the first end of second guide (643) is provided with sliding block, the cunning
Block is slidably connected with the guide rail.
7. the insulation print according to claim 2 to cable carries out the device of electric breakdown test, it is characterised in that institute
State linkage (7) with the driving wheel (62) to be connected, the linkage (7) is used for the drive in the driving wheel (62)
It is lower to drive second electrode (4) motion, and treat that puncture place is placed in the first electrode (3) when the insulation print (8)
When between the second electrode (4) so that the second electrode (4) moves to be stated with the first electrode (3) sandwiched residence
Insulate print (8).
8. the insulation print according to claim 7 to cable carries out the device of electric breakdown test, it is characterised in that institute
Stating linkage (7) includes：Drive link (71), connecting rod (72) and cam mechanism (73)；Wherein,
The connecting rod (72) is slideably arranged in the lid (2) and is partially disposed in the oil groove (1), the connecting rod
(72) first end is connected with the second electrode (4), the second end and the voltage generator (5) of the connecting rod (72)
It is connected；
The first end of the drive link (71) is connected with the driving wheel (62), and the second end of the drive link (71) passes through institute
Cam mechanism (73) is stated with the connecting rod (72) to be connected.
9. the insulation print according to claim 8 to cable carries out the device of electric breakdown test, it is characterised in that also
Including：Elastic component (9)；Wherein,
The elastic component (9) is sheathed on the part that the connecting rod (72) is placed in the oil groove (1) and is placed in second electricity
Between pole (4) and the lid (2).
10. the insulation print according to claim 2 to cable carries out the device of electric breakdown test, it is characterised in that
The drive mechanism (61) is motor.
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| CN201711024484.3A CN107728026B (en) | 2017-10-27 | 2017-10-27 | Device for carrying out electric breakdown test on insulation sample wafer of cable |
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|---|---|---|---|
| CN201711024484.3A CN107728026B (en) | 2017-10-27 | 2017-10-27 | Device for carrying out electric breakdown test on insulation sample wafer of cable |
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| CN108872804A (en) * | 2018-04-28 | 2018-11-23 | 海南电网有限责任公司电力科学研究院 | A kind of device to discharge for detecting solid insulation |
| CN110488170A (en) * | 2019-08-21 | 2019-11-22 | 哈尔滨理工大学 | A kind of electrode system for plate insulation sample breakdown test |
| CN111007367A (en) * | 2019-12-18 | 2020-04-14 | 安徽复兴电缆集团有限公司 | Withstand voltage detection device of cable |
| CN111398747A (en) * | 2020-03-10 | 2020-07-10 | 广州启光智造技术服务股份有限公司 | Method for detecting use safety of marine cable |
| CN113608075A (en) * | 2021-06-21 | 2021-11-05 | 深圳供电局有限公司 | Insulation performance testing device |
| CN113740682A (en) * | 2021-09-06 | 2021-12-03 | 华中科技大学 | Experimental method for simulating cable insulation breakdown under ocean dynamics |
| CN113759222A (en) * | 2021-09-06 | 2021-12-07 | 华中科技大学 | Method for observing structure and defects of dynamically aged insulation layer of marine cable |
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| CN111398747A (en) * | 2020-03-10 | 2020-07-10 | 广州启光智造技术服务股份有限公司 | Method for detecting use safety of marine cable |
| CN113608075A (en) * | 2021-06-21 | 2021-11-05 | 深圳供电局有限公司 | Insulation performance testing device |
| CN113608075B (en) * | 2021-06-21 | 2023-12-29 | 深圳供电局有限公司 | Insulation performance testing device |
| CN113740682A (en) * | 2021-09-06 | 2021-12-03 | 华中科技大学 | Experimental method for simulating cable insulation breakdown under ocean dynamics |
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