CN109946548A - A kind of electric heating joint aging equipment suitable for impacting electric capacity device polypropylene film - Google Patents
A kind of electric heating joint aging equipment suitable for impacting electric capacity device polypropylene film Download PDFInfo
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- CN109946548A CN109946548A CN201910319656.2A CN201910319656A CN109946548A CN 109946548 A CN109946548 A CN 109946548A CN 201910319656 A CN201910319656 A CN 201910319656A CN 109946548 A CN109946548 A CN 109946548A
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- stainless steel
- high pressure
- polypropylene film
- bushing
- electric capacity
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- 239000004743 Polypropylene Substances 0.000 title claims abstract description 50
- -1 polypropylene Polymers 0.000 title claims abstract description 50
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 50
- 230000003116 impacting effect Effects 0.000 title claims abstract description 46
- 230000032683 aging Effects 0.000 title claims abstract description 40
- 238000005485 electric heating Methods 0.000 title claims abstract description 38
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 91
- 239000010935 stainless steel Substances 0.000 claims abstract description 91
- 230000001050 lubricating effect Effects 0.000 claims abstract description 56
- 239000003990 capacitor Substances 0.000 claims abstract description 29
- 238000009413 insulation Methods 0.000 claims abstract description 26
- 229910001369 Brass Inorganic materials 0.000 claims description 19
- 239000010951 brass Substances 0.000 claims description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 238000005070 sampling Methods 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 7
- 229910052573 porcelain Inorganic materials 0.000 claims description 5
- 229920001971 elastomer Polymers 0.000 claims description 4
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 239000011496 polyurethane foam Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 239000006260 foam Substances 0.000 claims 1
- 238000004080 punching Methods 0.000 claims 1
- 238000002474 experimental method Methods 0.000 abstract description 10
- 238000010438 heat treatment Methods 0.000 abstract description 8
- 238000011160 research Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 53
- 239000010408 film Substances 0.000 description 46
- 230000015556 catabolic process Effects 0.000 description 8
- 238000006731 degradation reaction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 238000005470 impregnation Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000007598 dipping method Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 229940008099 dimethicone Drugs 0.000 description 2
- 239000004205 dimethyl polysiloxane Substances 0.000 description 2
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- QWUWMCYKGHVNAV-UHFFFAOYSA-N 1,2-dihydrostilbene Chemical compound C=1C=CC=CC=1CCC1=CC=CC=C1 QWUWMCYKGHVNAV-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000011094 fiberboard Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
Abstract
The invention belongs to High-Voltage Experiment technical fields, disclose a kind of electric heating joint aging equipment suitable for impacting electric capacity device polypropylene film, comprising: stainless steel cover, stainless steel tank body, the first bushing, the second bushing, ribbon heater；Ribbon heater is for heating stainless steel tank body, first bushing, the second bushing are respectively used to access high-voltage conducting wires, ground wire, stainless steel tank body is internally provided with high pressure lubricating cup, the inside of high pressure lubricating cup is marked with capacitor insulation oil, impacting electric capacity device is immersed in capacitor insulation oil with polypropylene film, the inside of stainless steel tank body is marked with conduction oil, and high pressure lubricating cup is dipped in conduction oil, and the two sides of high pressure lubricating cup pass through conducting wire respectively and lead to the first bushing, the second bushing.The present invention solves the problems, such as that the device for being applied to research polypropylene film electric heating joint aging characteristics in the prior art is not able to satisfy requirement of experiment.
Description
Technical field
The present invention relates to High-Voltage Experiment technical fields, more particularly to one kind to be suitable for impacting electric capacity device polypropylene film
Electric heating combine aging equipment.
Background technique
Neutral bus impacting electric capacity device has highly important effect in ac and dc systems operation.With China's extra-high voltage
The fast development of AC and DC transmission engineering is happened occasionally by the converter station accident that impacting electric capacity device failure causes.Failure is usually
Since impacting electric capacity device bears combined-voltage simultaneously and runs the effect of high temperature, make insulation performance degradation.When being grasped
Make it is internal after surge voltage a large amount of even expendable breakdown of shelf depreciation occur, while also accumulating a large amount of heat and make to rush
The rupture of capacitor casing bulging is hit, other power equipments near splash insulation oily pollution have worker safety in standing larger
Threat.And the insulation system of impacting electric capacity device is generally oil-impregnated polypropylene film.Therefore, oil-impregnated polypropylene film is studied
Electric heating joint aging characteristics be to ensure that AC/DC Power System safe operation important link.
It is applied to the experimental provision of research polypropylene film electric heating joint aging characteristics at present, has plenty of using large-sized
Metal film is fitted in large-sized film sample two sides, then is fixed with polyester fiber board, carries out aging in a nitrogen environment
Test.Although having expanded the quantity of sample, the practical oil-impregnated operation of impacting electric capacity device polypropylene film is not simulated
Environment.Have plenty of using the lesser stainless steel of size or organic glass tank body, it is iron or copper that both ends, which are separately installed with material,
Electrode, inside fill insulating oil, are placed in high temperature oven and are heated, but single tank body usually only carries out always for individual sample
Change experiment.The volume being limited to inside high temperature oven, it is necessary to carry out degradation simultaneously using multiple baking ovens.Have plenty of using ruler
Several electrodes are arranged at annulus in very little biggish organic glass tank body, two sides, form several pairs of high-field electrodes.This arrangement is more suitable
For testing the case where midway is not turned on tank body, to puncture polypropylene film in ageing process not, electrode institute making alive is smaller,
Corresponding heating temperature is not also high.And to the alterating and direct current heat integration degradation of impact polypropylene film for capacitor, it needs
Higher combined-voltage and at a temperature of carry out, therefore the design of above-mentioned experimental provision is not able to satisfy the specific requirements of experiment.This
Outside, current experimental rig is generally directly injected by the way of tank body heated using capacitor insulation oil, does not consider impact
The smell distributed after being heated during capacitor insulation oil (i.e. capacitor impregnation oil, such as benzyl toluene) test is to environment and people
The influence of body.
Summary of the invention
The embodiment of the present application is by providing a kind of electric heating joint aging dress suitable for impacting electric capacity device polypropylene film
It sets, solves the device in the prior art applied to research polypropylene film electric heating joint aging characteristics and be not able to satisfy requirement of experiment
The problem of.
The embodiment of the present application provides a kind of electric heating joint aging equipment suitable for impacting electric capacity device polypropylene film, packet
It includes: stainless steel cover, stainless steel tank body, the first bushing, the second bushing, ribbon heater；
Fixation is bolted in the stainless steel tank body and the stainless steel cover；
The ribbon heater is installed on the external tank skin of the stainless steel tank body, and the ribbon heater is used for the stainless steel
Tank body is heated；
First bushing, second bushing are located at the two sides of the stainless steel cover, and described first
Bushing is for accessing high-voltage conducting wires, and second bushing is for accessing ground wire；
The stainless steel tank body is internally provided with high pressure lubricating cup, and the inside of the high pressure lubricating cup is marked with capacitor insulation
Oil, impacting electric capacity device are immersed in the capacitor insulation oil with polypropylene film；The inside of the stainless steel tank body, which is marked with, leads
Hot oil, the high pressure lubricating cup are dipped in the conduction oil, and the depth of the conduction oil is less than the cup body height of the high pressure lubricating cup；
The two sides of the high pressure lubricating cup pass through conducting wire respectively and lead to first bushing, second bushing.
Preferably, the electric heating suitable for impacting electric capacity device polypropylene film combines aging equipment further include: thermoelectricity
Even, connecting hole；The thermocouple is used to monitor the temperature of the conduction oil；The connecting hole is used for for the thermocouple and outside
Temperature controller is attached.
Preferably, the electric heating suitable for impacting electric capacity device polypropylene film combines aging equipment further include: connection
End；The connecting pin is used to be attached for the ribbon heater and external temperature controller, external power supply.
Preferably, the electric heating suitable for impacting electric capacity device polypropylene film combines aging equipment further include: steel loop；
The steel loop is used to connect the head and the tail of the ribbon heater.
Preferably, the high pressure lubricating cup includes porcelain high pressure lubricating cup cup body, the first brass electrode, the second brass electrode；Institute
Impacting electric capacity device polypropylene film is stated between first brass electrode and second brass electrode.
Preferably, the stainless steel cover includes plate stainless steel cover, aperture stainless steel substrates, steel flange, high pressure introducing
Hole, stainless steel tube, the first fixation hole；The aperture stainless steel substrates, the steel flange, the high pressure introduction hole, it is described not
Rust steel pipe, first fixation hole are respectively positioned on the plate stainless steel cover.
Preferably, the stainless steel tank body includes bolt stationary plane, and the bolt stationary plane is provided with the second fixation hole, institute
The top of bolt stationary plane is stated equipped with seal rubber.
Preferably, it is filled with inside the port of internal, described second bushing in the port of first bushing
Polyurethane foam.
Preferably, the electric heating suitable for impacting electric capacity device polypropylene film combines aging equipment further include: glaze film
Resistance, sampling resistor, logging；It is grounded after the high pressure lubricating cup series connection glaze film resistance, sampling resistor；The logging is for supervising
Survey the voltage on the sampling resistor.
Preferably, the electric heating suitable for impacting electric capacity device polypropylene film combines aging equipment further include: exchange
Power supply, high voltage direct current generator, divider；The AC power source generates high pressure after the high voltage direct current generator, generation
High pressure is accessed after the divider in the high pressure lubricating cup of multiple parallel connections.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
In the embodiment of the present application, stainless steel tank body and stainless steel cover are bolted fixation, stainless steel tank body it is interior
Portion is provided with high pressure lubricating cup, and the inside of high pressure lubricating cup is marked with capacitor insulation oil, and impacting electric capacity device is immersed in polypropylene film
In capacitor insulation oil, the inside of stainless steel tank body is marked with conduction oil, and high pressure lubricating cup is dipped in conduction oil, and the depth of conduction oil
Less than the cup body height of high pressure lubricating cup, the two sides of high pressure lubricating cup pass through conducting wire respectively and lead to the first bushing, the second high pressure
Casing, the first bushing, the second bushing positioned at the two sides of stainless steel cover are respectively connected to high-voltage conducting wires and ground wire, electric heating
Band is installed on the external tank skin of stainless steel tank body, realizes the heating to tank interior conduction oil and capacitor insulation oil.It is above-mentioned
Device can be used for realizing the electric heating joint degradation of impacting electric capacity device polypropylene film.It is settable multiple in stainless cylinder of steel body
High pressure lubricating cup can carry out alterating and direct current heat integration degradation for multiple experiment samples simultaneously.Layer is impregnated using aging material
The structure separated with main body heat-conducting layer controls the volume of capacitor insulation oil during test, reduces electric in experimentation
Container insulating oil penetrating odor distribute and the influence to environment and human body.Using the cooperation of bushing and high pressure lubricating cup,
Convenient for carrying out alterating and direct current heat integration senile experiment to insulation impregnating medium.
Detailed description of the invention
It, below will be to needed in embodiment description in order to illustrate more clearly of the technical solution in the present embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is one embodiment of the present of invention, general for this field
For logical technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of electric heating joint aging suitable for impacting electric capacity device polypropylene film provided in an embodiment of the present invention
The external structure schematic diagram of device；
Fig. 2 is a kind of electric heating joint aging suitable for impacting electric capacity device polypropylene film provided in an embodiment of the present invention
The schematic diagram of internal structure of device；
Fig. 3 is a kind of electric heating joint aging suitable for impacting electric capacity device polypropylene film provided in an embodiment of the present invention
The structural schematic diagram of stainless steel cover in device；
Fig. 4 is a kind of electric heating joint aging suitable for impacting electric capacity device polypropylene film provided in an embodiment of the present invention
The structural schematic diagram of bolt stationary plane in device；
Fig. 5 is a kind of electric heating joint aging suitable for impacting electric capacity device polypropylene film provided in an embodiment of the present invention
The structural schematic diagram of device mesohigh lubricating cup；
Fig. 6 is a kind of electric heating joint aging suitable for impacting electric capacity device polypropylene film provided in an embodiment of the present invention
The wiring diagram of device.
Wherein, the first bushing of 1-, 2- stainless steel cover, 3- bolt stationary plane, 4- stainless steel tank body, 5- stainless steel bottom
Disk, the second bushing of 6-, the ribbon heater 7-, 8- connecting hole, 9- steel loop, the connecting pin 10-；
11- capacitor insulation oil, 12- high pressure lubricating cup, 13- conduction oil；
21- plate stainless steel cover, 22- aperture stainless steel substrates, 23- steel flange, 24- high pressure introduction hole, 25- stainless steel
Pipe, the first fixation hole of 26-；
31- seal rubber the second fixation hole of 32-；
121- porcelain high pressure lubricating cup cup body, the first brass electrode of 122-, the second brass electrode of 123-.
Specific embodiment
A kind of electric heating joint aging equipment suitable for impacting electric capacity device polypropylene film is present embodiments provided, mainly
It include: stainless steel cover, stainless steel tank body, the first bushing, the second bushing, ribbon heater.
Wherein, fixation is bolted in the stainless steel tank body and the stainless steel cover；The ribbon heater is installed on institute
It states on the external tank skin of stainless steel tank body, the ribbon heater is for heating the stainless steel tank body；First high pressure
Casing, second bushing are located at the two sides of the stainless steel cover, and first bushing is for accessing high pressure
Conducting wire, second bushing is for accessing ground wire；The stainless steel tank body is internally provided with high pressure lubricating cup, the high pressure
The inside of lubricating cup is marked with capacitor insulation oil, and impacting electric capacity device is immersed in the capacitor insulation oil with polypropylene film；Institute
The inside for stating stainless steel tank body is marked with conduction oil, and the high pressure lubricating cup is dipped in the conduction oil, and the depth of the conduction oil is small
In the cup body height of the high pressure lubricating cup；The two sides of the high pressure lubricating cup pass through conducting wire respectively and lead to the described first high pressing sleeve
Pipe, second bushing.
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper
Technical solution is stated to be described in detail.
As shown in Figure 1, the invention proposes a kind of alternating current-direct current electric heating connection suitable for impacting electric capacity device polypropylene film
Close aging equipment, comprising: stainless steel tank body 4, the oriented external bolt stationary plane 3 to extend of stainless steel tank body 4 are described stainless
The side of cylinder of steel body 4 is at bottom equipped with for the connecting hole 8 outside thermocouple connection, the bottom peace of the stainless steel tank body 4
Equipped with stainless steel chassis 5, the electricity that tank skin is equipped with ceramic material package heating wire is close in the external lower section of the stainless steel tank body
The torrid zone 7, the head and the tail of the ribbon heater 7 are connected and fixed with steel loop 9, and the ribbon heater 7 passes through with external temperature controller and power supply to be connect
10 connection of end, the stainless steel tank body 4 are bolted with stainless steel cover 2；The two sides of the stainless steel cover 2 are high equipped with first
Pressing sleeve pipe 1 and the second bushing 6 are respectively used to access high-voltage conducting wires and ground wire.
Subject device, that is, stainless steel tank body 4 length is 0.95m, width 0.36m, a height of 0.42m, the circular arc of two sides
Section diameter is 0.36m, and the wall thickness of stainless steel tank body 4 is 2mm, realizes the loading to conduction oil.The length of the stainless steel chassis 5
Degree is 1.01m, width 0.41m, with a thickness of 2mm.
First bushing 1 and second bushing 6 are suitable for 35kV and voltage class below, high pressing sleeve
Equal filled polyurethane foam inside two ports of pipe, to obstruct impregnated inside oil (i.e. capacitor insulation oil) penetrating odor
Distribute.
The bolt stationary plane 3 of the stainless steel tank body 4 and the boundary side of the stainless steel cover 2 are solid to be bolted
Fixed, centre is fixed with a circle vulcanie washer sealing, has not only been able to maintain integrally-built stabilization, but also can effectively obstruct impregnated inside
Oily penetrating odor distributes, and reduces the harm to environment and human body.
The ribbon heater 7 uses material to be spliced for the bulk with holes of ceramics, is connected inside Bulk ceramic with heating wire
And it is uniformly distributed.The head and the tail of the ribbon heater 7 are connected and fixed with steel loop 9, the ribbon heater 7 and external temperature controller, external power supply
It is connected by the connecting pin 10, realizes the heating to tank interior conduction oil and impregnation oils.The heating power of the ribbon heater 7
It is determined according to test required temperature and temperature accuracy, range is 10 kilowatts to 20 kilowatts.For adding for impacting electric capacity device impregnation oils
Hot temperature should be limited within 130 DEG C, and oil temperature range is room temperature to 130 DEG C.
As shown in Figure 1 and Figure 2, high pressure lubricating cup 12 is housed, the high pressure lubricating cup 12 is immersed in inside the stainless steel tank body 4
Liquid level is slightly below in the conduction oil 13 (for example, dimethicone) of 12 top surface of high pressure lubricating cup, the high pressure lubricating cup 12 it is interior
Portion fills capacitor insulation oil 11, to realize the separation of aging material dipping layer and main body heat-conducting layer.
For example, the inside of the stainless steel tank body 4 is equipped with 8 high pressure lubricating cups 12, the center of the high pressure lubricating cup 12
Line neighbor distance is 11cm, is mounted side by side on 4 bottom center's line of stainless steel tank body.It is used inside the stainless steel tank body 4
The cup body height of the high pressure lubricating cup 12 should be slightly less than in the thermally conductive conduction oil 13 (for example, dimethicone) depth.With
For the cup body height of the high pressure lubricating cup 12 is 97mm, the depth of the conduction oil 13 may be configured as being less than 90mm.
The inside of the high pressure lubricating cup 12 immersed in the conduction oil 13 fills capacitor insulation oil 11, the high pressure oil
Impacting electric capacity device polypropylene film is sandwiched between a pair of electrodes of cup 12, submerges the impacting electric capacity device with polypropylene film
In the capacitor insulation oil 11.
Multiple high pressure lubricating cups 12 are arranged with parallel form, and the side of each high pressure lubricating cup 12 is led to conducting wire
Then first bushing 1 connects external high pressure end；The other side of each high pressure lubricating cup 12 leads to institute with conducting wire
The second bushing 6 is stated, is then grounded after the external ground connection of connection or other detection devices.
As shown in Figure 1, Figure 3, the stainless steel cover 2 includes plate stainless steel cover 21, and a pair of of aperture stainless steel substrates 22 are stainless
Steel flange 23, high pressure introduction hole 24, the stainless steel tube 25 that a pair is symmetrically installed, fixation hole 26.Institute can be used when needing to open and close
Aperture stainless steel substrates 22 are stated with the movement stainless steel cover 2.
As Figure 1 and Figure 4, seal rubber 31 of the top of the bolt stationary plane 3 equipped with a circle hard, the bolt
Stationary plane 3 is provided with the second fixation hole 32, realize fixation between the stainless steel cover 2 and the stainless steel tank body 4 with it is closed.
Device heat when fixed using bolt, make between the stainless steel cover 2 and the stainless steel tank body 4 have good fixation with it is close
It closes.
As shown in Fig. 2, Fig. 5, the high pressure lubricating cup 12 includes porcelain high pressure lubricating cup cup body 121, high with the porcelain respectively
The first brass electrode 122 that pressure oil cup cup body 121 is connected, the second brass electrode 123, brass electrode is to electrode in lubricating cup
Between apply voltage.Wherein, first brass electrode 122, at least one brass electrode in second brass electrode 123
Be it is movable, film is fixed by movable electrode.I.e., it is possible to using a fixed brass electrode, a movable brass electrode,
Or use two movable brass electrodes.For impacting electric capacity device polypropylene film, single thin film applies AC voltage range
For 0kV~12kV, it is 0kV~20kV that single thin film, which applies DC voltage range,.
As shown in fig. 6, subject device generates high pressure through high voltage direct current generator by AC power source, accessed through divider
8 in parallel in tank body high pressure lubricating cup (Y1, Y2 ... Y8), each high pressure lubricating cup series connection glaze film resistance and sampling resistor ground connection.8
Channel logging monitors the voltage on sampling resistor, to learn the breakdown situation for working as capacitor films sample, convenient for replacement film sample in time.
External temperature controller connection thermocouple adjusts ribbon heater temperature according to the temperature of detection to monitor tank interior temperature, realizes tank
Body internal temperature is constant.
The inside of the subject device meets electrical safety clear distance and stainless steel tank body of high-field electrode or so
Electrical safety clear distance between the high pressure introducing device of both ends.
Above-mentioned apparatus working method, which specifically includes that, is placed in the two of high pressure lubricating cup with polypropylene film for impacting electric capacity device first
It between electrode, and is heated by conduction oil of the ribbon heater to tank interior, capacitor insulation oil is heated indirectly, led to
Often can be identical as the oil temperature of conduction oil with default capacitance device insulating oil, temperature measurement is carried out by thermocouple, carries out the essence of temperature
Then really control applies voltage to electrode by high pressure introducing device, realizes the electric heating joint aging of capacitor films.Work as capacitor
Film punctures, and monitors the voltage on sampling resistor by logging.
A kind of electric heating suitable for impacting electric capacity device polypropylene film provided in an embodiment of the present invention combines aging equipment
Including at least following technical effect:
(1) main structure of device uses large scale stainless steel tank body, can be handed over simultaneously for multiple experiment samples
DC potential combines degradation.
(2) structure that device is separated using aging material dipping layer with main body heat-conducting layer, controls dipping during test
The volume of oil, reduce impregnation oils penetrating odor in experimentation distribute and the influence to environment and human body.
(3) hole connecting for thermocouple with external temperature controller is provided on the downside of device, convenient for bottom in accurate detection tank body
Conduction oil oil temperature and capacitor insulation oily (i.e. impregnation oils) oil temperature.
(4) device uses the cooperation of bushing and high pressure lubricating cup, convenient for carrying out alternating current-direct current electric heating to insulation impregnating medium
Joint senile experiment.
(5) when capacitor films puncture, by the voltage on logging monitoring sampling resistor, in order to replace electricity in time
Container film sample.
It should be noted last that the above specific embodiment is only used to illustrate the technical scheme of the present invention and not to limit it,
Although being described the invention in detail referring to example, those skilled in the art should understand that, it can be to the present invention
Technical solution be modified or replaced equivalently, without departing from the spirit and scope of the technical solution of the present invention, should all cover
In the scope of the claims of the present invention.
Claims (10)
1. a kind of electric heating suitable for impacting electric capacity device polypropylene film combines aging equipment characterized by comprising stainless
Steel lid, stainless steel tank body, the first bushing, the second bushing, ribbon heater；
Fixation is bolted in the stainless steel tank body and the stainless steel cover；
The ribbon heater is installed on the external tank skin of the stainless steel tank body, and the ribbon heater is used for the stainless steel tank body
It is heated；
First bushing, second bushing are located at the two sides of the stainless steel cover, first high pressure
Casing is for accessing high-voltage conducting wires, and second bushing is for accessing ground wire；
The stainless steel tank body is internally provided with high pressure lubricating cup, and the inside of the high pressure lubricating cup is marked with capacitor insulation oil, punching
Polypropylene film for capacitor is hit to be immersed in the capacitor insulation oil；The inside of the stainless steel tank body is marked with conduction oil,
The high pressure lubricating cup is dipped in the conduction oil, and the depth of the conduction oil is less than the cup body height of the high pressure lubricating cup；It is described
The two sides of high pressure lubricating cup pass through conducting wire respectively and lead to first bushing, second bushing.
2. the electric heating according to claim 1 suitable for impacting electric capacity device polypropylene film combines aging equipment, special
Sign is, further includes: thermocouple, connecting hole；The thermocouple is used to monitor the temperature of the conduction oil；The connecting hole is used for
It is attached for the thermocouple and external temperature controller.
3. the electric heating according to claim 1 suitable for impacting electric capacity device polypropylene film combines aging equipment, special
Sign is, further includes: connecting pin；The connecting pin is used to be attached for the ribbon heater and external temperature controller, external power supply.
4. the electric heating according to claim 1 suitable for impacting electric capacity device polypropylene film combines aging equipment, special
Sign is, further includes: steel loop；The steel loop is used to connect the head and the tail of the ribbon heater.
5. the electric heating according to claim 1 suitable for impacting electric capacity device polypropylene film combines aging equipment, special
Sign is that the high pressure lubricating cup includes porcelain high pressure lubricating cup cup body, the first brass electrode, the second brass electrode；The impact electricity
Container is with polypropylene film between first brass electrode and second brass electrode.
6. the electric heating according to claim 1 suitable for impacting electric capacity device polypropylene film combines aging equipment, special
Sign is that the stainless steel cover includes plate stainless steel cover, aperture stainless steel substrates, steel flange, high pressure introduction hole, stainless steel
Pipe, the first fixation hole；The aperture stainless steel substrates, the steel flange, the high pressure introduction hole, the stainless steel tube, institute
The first fixation hole is stated to be respectively positioned on the plate stainless steel cover.
7. the electric heating according to claim 1 suitable for impacting electric capacity device polypropylene film combines aging equipment, special
Sign is that the stainless steel tank body includes bolt stationary plane, and the bolt stationary plane is provided with the second fixation hole, and the bolt is solid
The top in face is determined equipped with seal rubber.
8. the electric heating according to claim 1 suitable for impacting electric capacity device polypropylene film combines aging equipment, special
Sign is, polyurethane foam is filled with inside the port of internal, described second bushing in the port of first bushing
Foam.
9. the electric heating according to claim 1 suitable for impacting electric capacity device polypropylene film combines aging equipment, special
Sign is, further includes: glaze film resistance, sampling resistor, logging；The high pressure lubricating cup series connection glaze film resistance, sampling resistor are followed by
Ground；The logging is used to monitor the voltage on the sampling resistor.
10. the electric heating according to claim 1 suitable for impacting electric capacity device polypropylene film combines aging equipment, special
Sign is, further includes: AC power source, high voltage direct current generator, divider；The AC power source is through the high voltage direct current generator
After generate high pressure, the high pressure of generation is accessed after the divider in the high pressure lubricating cup of multiple parallel connections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910319656.2A CN109946548A (en) | 2019-04-19 | 2019-04-19 | A kind of electric heating joint aging equipment suitable for impacting electric capacity device polypropylene film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910319656.2A CN109946548A (en) | 2019-04-19 | 2019-04-19 | A kind of electric heating joint aging equipment suitable for impacting electric capacity device polypropylene film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109946548A true CN109946548A (en) | 2019-06-28 |
Family
ID=67015740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910319656.2A Pending CN109946548A (en) | 2019-04-19 | 2019-04-19 | A kind of electric heating joint aging equipment suitable for impacting electric capacity device polypropylene film |
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| Country | Link |
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| CN (1) | CN109946548A (en) |
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