CN106443374A - Vegetable oil gel dielectric strength testing device and method - Google Patents
Vegetable oil gel dielectric strength testing device and method Download PDFInfo
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- CN106443374A CN106443374A CN201610826769.8A CN201610826769A CN106443374A CN 106443374 A CN106443374 A CN 106443374A CN 201610826769 A CN201610826769 A CN 201610826769A CN 106443374 A CN106443374 A CN 106443374A
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- oleogel
- plant
- dielectric strength
- top electrode
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- 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
- G01R31/1281—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 liquids or gases
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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The invention discloses a vegetable oil gel dielectric strength testing device and a vegetable oil gel dielectric strength testing method, and solves the problems that gel is uneven in thickness, the thickness of the gel can not be accurately measured, gel samples can not be fetched out of a mold and the like in the process of testing dielectric strength of vegetable oil gel, and achieves accurate tests for the dielectric strength of the vegetable oil gel. The vegetable oil gel dielectric strength testing device comprises a support frame, a drive mechanism, a top electrode, a bottom electrode, an oil chamber and an analytical balance, wherein a position relationship of the drive mechanism, the top electrode and the bottom electrode is set in a sequential up-down mode in the vertical direction, the bottom electrode is placed in the oil chamber, the drive mechanism is installed on the support frame, the oil chamber is placed on a tray of the analytical balance, and the drive mechanism is fixedly connected with the top electrode, and used for controlling the top electrode to move up and down in the vertical direction.
Description
Technical field
The present invention relates to vegetable oil gel technique field, more particularly, to one vegetable oil gel dielectric strength test device with
Method.
Background technology
Transformer carries voltage of transformation, transmission energy in power system, provides the effect of operation of power networks state.Oil immersion
Formula transformer becomes voltage levels, the main flow transformer of significant power demand due to its good heat dispersion.Due to passing
The system security performance of mineral oil, environmental pollution and non-renewable, vegetable oil transformer is increasingly subject to global scholar's in recent years
Extensive concern.But vegetable oil is due to its poor antioxygenic property, at a certain temperature with oxygen reaction, particularly becoming
By in live transportation of dispatching from the factory, due to illumination, temperature and oxygen can gradually be polymerized depressor and final gel becomes solid attached
On wall.And come off from wall once being rinsed by transformer oil in running at the scene, the electric property of vegetable oil can be produced
Raw impact.
Grasp to gel electric property is conducive to being better understood by its impact to insulating oil electric property.But right
During the dielectric strength of plant oleogel is tested, can run into cannot accurately measure gel thicknesses, gel sample cannot
The problem taken out in a mold.Domestic there is presently no can solve these problems and plant oleogel dielectric strength is carried out accurately
The apparatus and method of test.
Content of the invention
Embodiments provide a vegetable oil gel dielectric strength test device and method, solve and plant in test
The gel thicknesses running into during thing oleogel dielectric strength are uneven, cannot accurately measure gel thicknesses, gel sample no
The problems such as method is taken out in a mold is it is achieved that accurately tested to the dielectric strength of plant oleogel.
A vegetable oil gel dielectric strength test device provided in an embodiment of the present invention, including bracing frame, drive mechanism,
Top electrode, bottom electrode, oil pocket, assay balance；
Drive mechanism, Top electrode, the position relationship of bottom electrode are that in the vertical direction is arranged from top to bottom successively；
In oil pocket, drive mechanism is arranged on bracing frame bottom electrode, and oil pocket is placed on the pallet of assay balance；
Wherein, drive mechanism is fixedly connected with Top electrode, for controlling Top electrode in the vertical direction to be moved up and down.
Preferably,
Drive mechanism includes：Laterally fixing axle, zigzag tread patterns axle and stepper motor；
Laterally fixing axle is fixed on edge on bracing frame, and horizontal fixing axle has on for carrying out on zigzag tread patterns axle vertical direction
The groove of lower motion, the first screw thread within groove is connected with the second screw thread coupling of the appearance of zigzag tread patterns axle；
Stepper motor is arranged on the top of zigzag tread patterns axle, and threadeds with drive shaft；
The bottom of stepper motor is installed with Top electrode.
Preferably,
Plant oleogel dielectric strength test device also includes controller；Stepper motor is electrically connected with controller.
Preferably,
One iron hoop and the polytetrafluoroethylene (PTFE) rubber ring for leakproof are installed on bottom electrode, forms wire chamber.
Preferably, described wire chamber is sandwich structure wire chamber.
Preferably,
Plant oleogel is between the upper and lower electrodes.
Preferably,
One vegetable oil gel dielectric strength method of testing of the offer of the embodiment of the present invention, comprises the following steps：
Step one：Plant oleogel dielectric strength test device adjusts Top electrode apart from preset vegetable oil on the bottom electrode
The position of gel, until assay balance has registration；
Step 2：After assay balance has registration, plant oleogel dielectric strength test device is pressurizeed to upper/lower electrode, until
Plant oleogel punctures；
Step 3：After plant oleogel punctures, plant oleogel dielectric strength test device continues to adjust described Top electrode
Position contact to Top electrode with bottom electrode.
Preferably,
Before the described step one of described plant oleogel dielectric strength method of testing, also include：
Described plant oleogel dielectric strength test device is initially formed the state being placed with described plant oleogel.
Preferably, described plant oleogel dielectric strength test device is initially formed the state being placed with described plant oleogel
Afterwards, before described step one, also include：
Adjust the position of described Top electrode, until described Top electrode is located at initial position, described initial position is located at described
The surface of plant oleogel.
Preferably, described step 3 specifically includes：
After described plant oleogel punctures, described plant oleogel dielectric strength test device by described Top electrode recover to
Initial position, then adjust the initial position of described Top electrode until described Top electrode is contacted with described bottom electrode.
As can be seen from the above technical solutions, the embodiment of the present invention has advantages below：
Embodiments provide a vegetable oil gel dielectric strength test device include bracing frame, drive mechanism,
Top electrode, bottom electrode, oil pocket, assay balance；Drive mechanism, Top electrode, the position relationship of bottom electrode are successively in vertical direction
On arrange from top to bottom；In oil pocket, drive mechanism is arranged on bracing frame bottom electrode, and oil pocket is placed in the pallet of assay balance
On；Wherein, drive mechanism is fixedly connected with Top electrode, for controlling Top electrode in the vertical direction to be moved up and down, solves
The gel thicknesses running into during test plants oleogel dielectric strength are uneven, cannot accurately measure gel thicknesses,
The problems such as gel sample cannot take out in a mold is it is achieved that accurately tested to the dielectric strength of plant oleogel.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing providing obtains other accompanying drawings.
Fig. 1 is the schematic diagram of the plant oleogel dielectric strength test device of the present invention；
Illustrate：1. steel frame construction, 2. stepper motor, 3. controller, 4. Top electrode, 5. oil pocket, 6. plant oleogel,
7. transformer oil, 8. bottom electrode, 9. assay balance, 10. desk.
Specific embodiment
The embodiment of the invention discloses a vegetable oil gel dielectric strength test device and method, solve and plant in test
The gel thicknesses running into during thing oleogel dielectric strength are uneven, cannot accurately measure gel thicknesses, gel sample no
The problems such as method is taken out in a mold is it is achieved that accurately tested to the dielectric strength of plant oleogel 6.
For enabling the goal of the invention of the present invention, feature, advantage more obvious and understandable, below in conjunction with the present invention
Accompanying drawing in embodiment, is clearly and completely described it is clear that disclosed below to the technical scheme in the embodiment of the present invention
Embodiment be only a part of embodiment of the present invention, and not all embodiment.Based on the embodiment in the present invention, this area
All other embodiment that those of ordinary skill is obtained under the premise of not making creative work, broadly falls into present invention protection
Scope.
As shown in figure 1, a vegetable oil gel dielectric strength test device provided in an embodiment of the present invention, including support
Frame, drive mechanism, Top electrode 4, bottom electrode 8, oil pocket 5, assay balance 9；
Drive mechanism, Top electrode 4, the position relationship of bottom electrode 8 are that in the vertical direction is arranged from top to bottom successively；
In oil pocket 5, drive mechanism is arranged on bracing frame bottom electrode 8, and oil pocket 5 is placed on the pallet of assay balance 9；
Wherein, drive mechanism is fixedly connected with Top electrode 4, for controlling Top electrode 4 in the vertical direction to be transported up and down
Dynamic.
Further,
Drive mechanism includes：Laterally fixing axle, zigzag tread patterns axle and stepper motor 2；
Laterally fixing axle is fixed on edge on bracing frame, and horizontal fixing axle has on for carrying out on zigzag tread patterns axle vertical direction
The groove of lower motion, the first screw thread within groove is connected with the second screw thread coupling of the appearance of zigzag tread patterns axle；
Stepper motor 2 is arranged on the top of zigzag tread patterns axle, and threadeds with drive shaft；
The bottom of stepper motor 2 is installed with Top electrode 4.
Further,
Plant oleogel dielectric strength test device also includes controller 3；Stepper motor 2 is electrically connected with controller 3.
Further,
One iron hoop and the polytetrafluoroethylene (PTFE) rubber ring for leakproof are installed on bottom electrode 8, forms wire chamber.
Further,
Wire chamber is sandwich structure wire chamber.
Further,
Plant oleogel 6 is between Top electrode 4 and bottom electrode 8.
Further,
A vegetable oil gel dielectric strength method of testing provided in an embodiment of the present invention, comprises the following steps：
Step one：Plant oleogel dielectric strength test device adjusts Top electrode 4 distance and is preset at the plant on bottom electrode 8
The position of oleogel 6, until assay balance 9 has registration；
Step 2：After assay balance 9 has registration, plant oleogel dielectric strength test device is pressurizeed to upper/lower electrode, directly
Puncture to plant oleogel 6；
Step 3：After plant oleogel 6 punctures, plant oleogel dielectric strength test device continues to adjust described Top electrode
4 position is contacted to Top electrode 4 with bottom electrode 8.
Further,
Before the step one of a vegetable oil gel dielectric strength method of testing provided in an embodiment of the present invention, also include：
Plant oleogel dielectric strength test device is initially formed the state being placed with plant oleogel.
Further,
After plant oleogel dielectric strength test device is initially formed the state being placed with plant oleogel, step one it
Before, also include：
Adjust the position of described Top electrode 4, until described Top electrode 4 is located at initial position, described initial position is located at institute
State the surface of plant oleogel 6.
Further,
Step 3 specifically includes：
After plant oleogel punctures, plant oleogel dielectric strength test device adjusts the position of Top electrode 4 to initial bit
Put, then adjust the initial position of Top electrode 4 until Top electrode 4 is contacted with bottom electrode 8.
As shown in figure 1, the present invention provide a vegetable oil gel dielectric strength test device, including steel frame construction 1 with
And it is arranged on stepper motor 2 on steel frame construction, stepper motor 2 is controlled by controller 3.Electrode system includes Top electrode 4
With bottom electrode 8, and Top electrode 4 is connected on stepper motor 2, and electrode system is placed in the oil pocket 5 on assay balance 9, and sample is planted
Thing oleogel 6 is placed between upper/lower electrode.When carrying out plant oleogel 6 breakdown test, oil pocket 5 is built with transformer oil 7 and whole
Individual device is placed on desk 10.
The vegetable oil gel dielectric strength method of testing that the present invention provides, comprises the steps：
Make plant oleogel 6：One iron hoop and the polytetrafluoroethylene (PTFE) rubber for leakproof are installed first on bottom electrode 8
Ring, forms a sandwich structure wire chamber.Then it is encased inside an iron pan in wire chamber as sample substrate, and inject appropriate plant
Oil.Finally this device is placed in heating in baking oven, until vegetable oil becomes the plant oleogel 6 of solid or solid-liquid two-phase coexistent,
And iron hoop is removed with polytetrafluoroethylene ring, form the state that plant oleogel 6 is placed with bottom electrode 8；
Horizontal positioned assay balance 9 on desk 10, the oil pocket 5 that will be equipped with transformer oil 7 is placed on assay balance 9, and
The bottom electrode 8 being placed with plant oleogel 6 making in step one is placed in oil pocket 5.Top electrode 4 is arranged on stepper motor
On 2, the position of adjustment steel frame construction 1, so that Top electrode 4 is placed exactly in the surface of plant oleogel 6, makes Top electrode 4 be located at
Initial position, assay balance 9 registration is reset；
Top electrode 4 is adjusted apart from the position of plant oleogel 6 by stepper motor 2, until assay balance 9 has registration to show
Show, record the step-length of now stepper motor 2, electrode system is forced into plant oleogel 6 and punctures, after plant oleogel 6 punctures,
Top electrode 4 is recovered to initial position, takes out bottom electrode 8 and plant oleogel 6, remove plant oleogel 6.After removing, under inciting somebody to action
Electrode 8 is returned to the position before taking-up.Continue through stepper motor 2 and adjust the position of Top electrode 4 to Top electrode 4 and bottom electrode 8
Contact, and record the step-length of stepper motor 2 during this.The difference of the step-length of stepper motor 2 is at breakdown point twice in front and back
The thickness of plant oleogel 6.According to plant oleogel 6 breakdown voltage and its dielectric strength of breakdown point THICKNESS CALCULATION.
This plant oleogel dielectric strength test device and method, can it is not necessary to be removed from the molds plant oleogel
Accurately measured with the vegetable oil gel thicknesses to breakdown point, thus ensureing the accuracy of dielectric strength test.
Embodiments provide a vegetable oil gel dielectric strength test device and method, be located at just by adjusting
Top electrode 4 at beginning position, apart from the position of plant oleogel 6, until assay balance 9 has registration to show, and records now stepping
The step-length of motor 2.Be forced into after plant oleogel 6 punctures, Top electrode 4 recovered to initial position, and take out bottom electrode 8 and its
Plant oleogel 6 above.After removing plant oleogel 6, bottom electrode 8 is returned to the position before taking-up, then by adjusting upper electricity
Pole 4 position is contacted to Top electrode 4 with bottom electrode 8, the step-length of record now stepper motor 2, in front and back the step-length of stepper motor 2 twice
Difference be breakdown point plant oleogel 6 exact thickness.According to plant oleogel 6 breakdown voltage, just energy is accurate with puncturing dot thickness
Really calculate the dielectric strength of plant oleogel 6, solve run into during test plants oleogel dielectric strength solidifying
Glue is in uneven thickness, cannot accurately measure gel thicknesses, the problems such as gel sample cannot take out in a mold it is achieved that to plant
The dielectric strength of oleogel is accurately tested.
The above, above example only in order to technical scheme to be described, is not intended to limit；Although with reference to front
State embodiment the present invention has been described in detail, it will be understood by those within the art that：It still can be to front
State the technical scheme described in each embodiment to modify, or equivalent is carried out to wherein some technical characteristics；And these
Modification or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a vegetable oil gel dielectric strength test device it is characterised in that include bracing frame, drive mechanism, Top electrode, under
Electrode, oil pocket, assay balance；
Described drive mechanism, described Top electrode, the position relationship of described bottom electrode are that in the vertical direction sets from top to bottom successively
Put；
In described oil pocket, described drive mechanism is arranged on support frame as described above described bottom electrode, and described oil pocket is placed in described point
On the pallet of analysis balance；
Wherein, described drive mechanism is fixedly connected with described Top electrode, for controlling described Top electrode in the vertical direction to carry out
Move up and down.
2. plant oleogel dielectric strength test device according to claim 1 is it is characterised in that described drive mechanism bag
Include：
Laterally fixing axle, zigzag tread patterns axle and stepper motor；
Described horizontal fixing axle is fixed on edge on support frame as described above, and described horizontal fixing axle has vertical for described zigzag tread patterns axle
Second screw thread of the appearance of the groove being moved up and down on direction, the first screw thread within described groove and described zigzag tread patterns axle
Join connection；
Described stepper motor is arranged on the top of described zigzag tread patterns axle, and threadeds with described drive shaft；
The bottom of described stepper motor is installed with described Top electrode.
3. plant oleogel dielectric strength test device according to claim 1 is it is characterised in that also include controller；
Described stepper motor is electrically connected with described controller.
4. plant oleogel dielectric strength test device according to claim 2 is it is characterised in that pacify on described bottom electrode
Fill an iron hoop and the polytetrafluoroethylene (PTFE) rubber ring for leakproof, form wire chamber.
5. plant oleogel dielectric strength test device according to claim 4 is it is characterised in that described wire chamber is three
Mingzhi structural metal chamber.
6. plant oleogel dielectric strength test device according to claim 2 is it is characterised in that plant oleogel is in institute
State between Top electrode and described bottom electrode.
7. a vegetable oil gel dielectric strength method of testing is it is characterised in that comprise the following steps：
Step one：Plant oleogel dielectric strength test device adjusts Top electrode apart from preset plant oleogel on the bottom electrode
Position, until assay balance has registration；
Step 2：After described assay balance has registration, described plant oleogel dielectric strength test device is to described upper/lower electrode
Pressurization, until described plant oleogel punctures；
Step 3：After described plant oleogel punctures, described plant oleogel dielectric strength test device continues to adjust on described
The position of electrode to described Top electrode is contacted with described bottom electrode.
8. plant oleogel dielectric strength method of testing according to claim 7 it is characterised in that described step one it
Before, also include：
Described plant oleogel dielectric strength test device is initially formed the state being placed with described plant oleogel.
9. plant oleogel dielectric strength method of testing according to claim 8 is it is characterised in that described plant oleogel
After dielectric strength test device is initially formed the state being placed with described plant oleogel, before described step one, also include：
Adjust the position of described Top electrode, until described Top electrode is located at initial position, described initial position is located at described plant
The surface of oleogel.
10. plant oleogel dielectric strength method of testing according to claim 9 is it is characterised in that described step 3 has
Body includes：
After described plant oleogel punctures, described plant oleogel dielectric strength test device recovers described Top electrode to described
Initial position, then adjust the initial position of described Top electrode until described Top electrode is contacted with described bottom electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610826769.8A CN106443374B (en) | 2016-09-14 | 2016-09-14 | Plant oleogel dielectric strength test device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610826769.8A CN106443374B (en) | 2016-09-14 | 2016-09-14 | Plant oleogel dielectric strength test device and method |
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| Publication Number | Publication Date |
|---|---|
| CN106443374A true CN106443374A (en) | 2017-02-22 |
| CN106443374B CN106443374B (en) | 2019-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610826769.8A Active CN106443374B (en) | 2016-09-14 | 2016-09-14 | Plant oleogel dielectric strength test device and method |
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| CN104101820A (en) * | 2014-07-17 | 2014-10-15 | 国网上海市电力公司 | Transformer oil/paper insulation aging experimental device and method |
| CN105137307A (en) * | 2015-09-18 | 2015-12-09 | 扬州市双宝电力设备有限公司 | Automatic tester for dielectric strength of insulating oil |
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2016
- 2016-09-14 CN CN201610826769.8A patent/CN106443374B/en active Active
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|---|---|---|---|---|
| CN2179592Y (en) * | 1993-11-12 | 1994-10-12 | 姚志周 | Insulating oil dielectric strength testing cup |
| US6383634B1 (en) * | 1997-12-22 | 2002-05-07 | Abb Ab | Dielectric gelling composition, the use of such dielectric gelling composition, an insulated electric dc-cable comprising such gelling composition, and a method for manufacturing an insulated electric dc-cable comprising such gelling composition |
| CN201926732U (en) * | 2011-01-06 | 2011-08-10 | 山东电力研究院 | Experimental device for electrical/thermal stress aging of insulation oil paper of voltage transformer |
| CN103674786A (en) * | 2013-12-13 | 2014-03-26 | 清华大学 | Permeability tester under electric field action |
| CN104101820A (en) * | 2014-07-17 | 2014-10-15 | 国网上海市电力公司 | Transformer oil/paper insulation aging experimental device and method |
| CN105137307A (en) * | 2015-09-18 | 2015-12-09 | 扬州市双宝电力设备有限公司 | Automatic tester for dielectric strength of insulating oil |
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| 曹明法: "变压器油的介电强度试验", 《大众用电》 * |
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