CN205898961U - Tester for testing dielectric strength of insulating oil - Google Patents
Tester for testing dielectric strength of insulating oil Download PDFInfo
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- CN205898961U CN205898961U CN201620830678.7U CN201620830678U CN205898961U CN 205898961 U CN205898961 U CN 205898961U CN 201620830678 U CN201620830678 U CN 201620830678U CN 205898961 U CN205898961 U CN 205898961U
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- strength tester
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Abstract
The utility model belongs to the technical field of insulating oily dielectric strength test, a tester for testing dielectric strength of insulating oil is proposed, including sealing the oil cup and setting up seal the test electrode in the oil cup, the upper portion of sealing the oil cup is provided with the gas vent, be provided with the dampproof course in the gas vent, the bottom of sealing the oil cup is provided with stirring structure and hydraulic fluid port, the hydraulic fluid port passes through oil pipe and the two -way pump is connected with oiling mouth and oil drain port, oiling mouth department is provided with the oiling solenoid valve, oil drain port department is provided with the oil extraction solenoid valve, the test electrode the stirring structure the oiling solenoid valve the oil extraction solenoid valve all is connected with the controller. The utility model provides a low technical problem of the insulating oily dielectric strength measuring accuracy of prior art.
Description
Technical field
This utility model belongs to dielectric oil dielectrical strength technical field of measurement and test, is related to a kind of automatic oiling, automatically tests, certainly
Dynamic cleaning, the dielectric oil dielectrical strength tester of automatic oil draining.
Background technology
With China's intelligent grid automaticity more and more higher, country increasingly payes attention to the operation safety of electrical network and runs
Efficiency, in power system, insulating oil is most important to the safe operation of electrical network, and therefore insulating oil needs periodically to do many routines
Experiment, judges according to every test data whether the indices such as insulating oil degree of aging and insulation degree reach requirement.Its
Middle dielectric oil dielectrical strength is vital one in all indexs.The experiment of all dielectric oil dielectrical strengths is all borrowed at present
Dielectric oil dielectrical strength tester is helped to complete.
Dielectric strength test to test light contamination quite sensitive, sample sampling, storage, transport, experiment when very
Easily absorb moisture, and the pollution receiving dust in air.Therefore experimental result is affected by factors.Prior art
In, the proficiency level of operator, ambient temperature, dust pollution etc. lead to experimental result and deviation, have a strong impact on number
According to accuracy.Wherein topmost be exactly lubricating cup cleaning and oiling process.The cleaning of lubricating cup includes abluent cleaning, chemistry
Reagent cleans, and oil sample to be measured rinses several steps.Secondly during oiling, insulating oil large-area will be exposed to experimental situation
The central moisture that therefore can absorb in environment, is polluted by environment dust.Secondly lubricating cup, be using to clearly in cleaning process
The chemical reagent such as lotion, dehydrated alcohol, petroleum ether, not only damage to experimenter, also there is larger potential safety hazard.
Utility model content
The utility model proposes a kind of dielectric oil dielectrical strength tester, solve prior art dielectric oil dielectrical strength and survey
The problems referred to above in examination.
The technical solution of the utility model is achieved in that
A kind of dielectric oil dielectrical strength tester, including
Closing lubricating cup and the test electrode being arranged in described closing lubricating cup, the top of described closing lubricating cup is provided with aerofluxuss
Mouthful, it is provided with damp-proof layer in described air vent, the bottom of described closing lubricating cup is provided with stirring structure and hydraulic fluid port, described hydraulic fluid port leads to
Cross oil pipe and two-way pump is connected with oil drain out with pouring orifice, be provided with oiling electromagnetic valve at described pouring orifice, at described oil drain out
Be provided with oil drain solenoid valve, described test electrode, described stirring structure, described oiling electromagnetic valve, described oil drain solenoid valve all with
Controller connects.
As further technical scheme, described damp-proof layer is moisture absorption silica gel damp-proof layer.
As further technical scheme, described closing lubricating cup is tubular or square, and base diameter tapers into, under
Portion is collection port, and described stirring structure is arranged in described collection port, and described hydraulic fluid port is arranged on the side of described collection port.
As further technical scheme, described two-way pump is high pressure miniature gears two-way pump.
As further technical scheme, also include peristaltic pump, be arranged on described oil pipe.
As further technical scheme, also include liquid level detection device, be arranged in described closing lubricating cup or described row
At QI KOU, and it is connected with described controller.
As further technical scheme, described liquid level detection device is infrared level detection means.
As further technical scheme, described stirring structure is connected with described controller by pwm adjusting means.
This utility model use principle and having the beneficial effect that
1st, in this utility model, closing lubricating cup is closed, and the air vent having, there is the moistureproof filtration of band in air vent
The damp-proof layer of function, can be very good to avoid impurity and micro-moisture to enter inside closing lubricating cup, thus experimental accuracy
High with reliability, and air vent is placed on the top of lubricating cup, and the effect one of air vent is inside the release lubricating cup in oiling
Pressure, total is well-designed, and using effect is very good.And this utility model be capable of automatic washing, complete from
Dynamic oiling, full-automatic testing, full-automatic oil extraction etc. are a series of all to be completed to measure the test of dielectric oil dielectrical strength automatically, from
And experimenter can be made to depart from loaded down with trivial details operation element, do more valuable work, improve work efficiency, entirely tested
Journey operator need not contact chemical drugss, that is, ensure that operator turn avoid inflammable explosive article from chemical drugss harm
The potential safety hazard brought to laboratory.The topmost stability being the increase in instrument, repeatability, the oiling such as accuracy and cleaning
The problem causing, so that operator is really realized, that automatization brings is accurate, light, quick.
2nd, in this utility model, closing lubricating cup base diameter tapers into, tapered, receives to foot for little column type
Ji Kou, stirring structure is arranged in collection port, and insulating oil can be made to be collected to collection port well, and good by stirring structure
Clean up, thus improving measuring accuracy.
3rd, in this utility model, the two-way pump of injection system is completed using high pressure miniature gears two-way pump, due to gear pump tool
There is self-suction function, it is to avoid using the complex operations of conventional centrifugal pump, operator only need to put into fuel sucking pipe in oil sample to be measured
, therefore oiling oil extraction process operation is simple, and automatic control effect is good.
4th, this utility model oil draining system, in addition to two-way pump, increases setting peristaltic pump also on oil pipe, and oil extraction process is adopted
Completed with peristaltic pump, because peristaltic pump can be isolated liquid and external environment completely when not needing liquid flow to move, not only may be used
To avoid insulating oil to make moist additionally it is possible to thoroughly the waste oil having cleaned lubricating cup be reclaimed clean, improve test such that it is able to good
Efficiency.
5th, in this utility model, in the position of air vent equipped with the liquid level detection device of infrared form, reach row in liquid level
Can accurately judge after QI KOU position that liquid level position avoids the moistureproof in the layer moisture absorption silica gel of oiling excess pollution and and keeps away
Exempt from the spilling of oil, such that it is able to the more preferable oil-control amount controlling in closing lubricating cup.
6th, the stirring structure being used for cleaning in this utility model starts to stir after injection on a small quantity oil, and stirring structure is adopted
With stirring paddle and the motor connection of plastic material, when the motor pwm adjusting means of stirring controls cleaning with pwm, high rotating speed is to ensure
Can clean up, any position can clean to, accomplish multiple on a small quantity, puncture when finish stirring, adjusted by pwm copped wave
Section rotating speed is to meet and to be better than national standard.The test electrode being used for test in this utility model is connected with controller, whole control
System, sampling system are completed using high speed 1t computer, and 1t microcomputer is the 12 of traditional microcomputer using frequency doubling technology
Times, due to the ultrafast working condition constantly being recorded current instrument and equipment of speed, and redundancy is equipped with using inside and outside couple of dog
The absolute stability of protection work, can be very good to avoid program during electrion to enter into endless loop.
Brief description
With reference to the accompanying drawings and detailed description this utility model is described in further detail.
Fig. 1 is this utility model structural representation；
Fig. 2 is this utility model control structure wire schematic diagram；
In figure: 1- closes lubricating cup, and 2- tests electrode, 3- air vent, 4- damp-proof layer, 5- stirring structure, 6- hydraulic fluid port, 7- oil
Pipe, 8- two-way pump, 9- pouring orifice, 10- oil drain out, 11- oiling electromagnetic valve, 12- oil drain solenoid valve, 13- controller, 14- collects
Mouthful, 15- peristaltic pump, 16- liquid level detection device, 17-pwm adjusting means.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
As shown in Fig. 1～Fig. 2, the utility model proposes a kind of dielectric oil dielectrical strength tester, including
Closing lubricating cup 1 and the test electrode 2 being arranged in closing lubricating cup 1, the top of closing lubricating cup 1 is provided with air vent 3,
It is provided with damp-proof layer 4, the bottom of closing lubricating cup 1 is provided with stirring structure 5 and hydraulic fluid port 6, and hydraulic fluid port 6 passes through oil pipe 7 He in air vent 3
Two-way pump 8 is connected with oil drain out 10 with pouring orifice 9, is provided with oiling electromagnetic valve 11, the row of being provided with oil drain out 10 at pouring orifice 9
Solenoid 12, test electrode 2, stirring structure 5, oiling electromagnetic valve 11, oil drain solenoid valve 12 are all connected with controller 13.
In this utility model, closing lubricating cup 1 is closed, and the air vent 3 having, there is the moistureproof filtration of band in air vent 3
The damp-proof layer 4 of function, can be very good to avoid impurity and micro-moisture to enter inside closing lubricating cup 1, thus experimental data is accurate
Degree and reliability are high, and air vent 3 is placed on the top of lubricating cup, and the effect one of air vent 3 is the release lubricating cup in oiling
Internal pressure, total is well-designed, and using effect is very good.And this utility model be capable of automatic washing,
Full-automatic oiling, full-automatic testing, full-automatic oil extraction etc. are a series of all to be completed to measure the survey of dielectric oil dielectrical strength automatically
Examination, such that it is able to make experimenter depart from loaded down with trivial details operation element, does more valuable work, improves work efficiency, entirely
Experimentation operator need not contact chemical drugss, that is, ensure that operator turn avoid from chemical drugss harm inflammable
The potential safety hazard that explosive material brings to laboratory.The topmost stability being the increase in instrument, repeatability, the oiling such as accuracy
With the problem that causes of cleaning, so that operator is really realized, that automatization brings is accurate, light, quick.
Further, damp-proof layer 4 is moisture absorption silica gel damp-proof layer.
Further, closing lubricating cup 1 is tubular or square, and base diameter tapers into, and foot is collection port 14, stirring
Structure 5 is arranged in collection port 14, and hydraulic fluid port 6 is arranged on the side of collection port 14.
In this utility model, closing lubricating cup 1 base diameter tapers into, tapered, receives to foot for little column type
Collection mouth 14, stirring structure 5 is arranged in collection port 14, insulating oil can be made to be collected to collection port 14 well, and tied by stirring
Structure 5 cleans up well, thus improving measuring accuracy.
Further, two-way pump 8 is high pressure miniature gears two-way pump.
In this utility model, the two-way pump 8 of injection system is completed using high pressure miniature gears two-way pump, due to gear pump tool
There is self-suction function, it is to avoid using the complex operations of conventional centrifugal pump, operator only need to put into fuel sucking pipe in oil sample to be measured
, therefore oiling oil extraction process operation is simple, and automatic control effect is good.
Further, also include peristaltic pump 15, be arranged on oil pipe 7.
This utility model oil draining system, in addition to two-way pump 8, increases setting peristaltic pump 15, oil extraction process also on oil pipe 7
Completed using peristaltic pump 15, because peristaltic pump 15 can be isolated liquid and external environment completely when not needing liquid flow to move,
Insulating oil not only can be avoided to make moist additionally it is possible to thoroughly the waste oil having cleaned lubricating cup be reclaimed clean, such that it is able to carry well
High testing efficiency.
Further, also include liquid level detection device 16, be arranged in closing lubricating cup 1 or at air vent 3, and with controller 13
Connect.
Further, liquid level detection device 16 is infrared level detection means
In this utility model, in the position of air vent 3 equipped with the liquid level detection device 16 of infrared form, reach row in liquid level
Can accurately judge after QI KOU 3 position liquid level position avoid oiling excess pollute damp-proof layer 4 in moisture absorption silica gel and and
Avoid the spilling of oil, such that it is able to the more preferable oil-control amount controlling in closing lubricating cup 1.
Further, stirring structure 5 is connected with controller 13 by pwm adjusting means 17.
The stirring structure 5 being used for cleaning in this utility model starts to stir after injection on a small quantity oil, and stirring structure 5 is adopted
With stirring paddle and the motor connection of plastic material, when the motor pwm adjusting means 17 of stirring controls cleaning with pwm, high rotating speed is to protect
Card can clean up, and any position can clean to, and accomplishes multiple on a small quantity, punctures when finish stirring, by pwm copped wave
Adjust rotating speed to meet and to be better than national standard.The test electrode 2 being used for test in this utility model is connected with controller 1, whole
Individual control, sampling system are completed using high speed 1t computer, and 1t microcomputer is traditional microcomputer using frequency doubling technology
12 times, due to the ultrafast working condition constantly being recorded current instrument and equipment of speed, and redundancy is equipped with using inside and outside couple of dog
The absolute stability of technical protection work, can be very good to avoid program during electrion to enter into endless loop.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all this
Within the spirit of utility model and principle, any modification, equivalent substitution and improvement made etc., should be included in this utility model
Protection domain within.
Claims (8)
1. a kind of dielectric oil dielectrical strength tester is it is characterised in that including closing lubricating cup (1) and being arranged on described closing lubricating cup
(1) the test electrode (2) in, the top of described closing lubricating cup (1) is provided with air vent (3), is provided with described air vent (3)
Damp-proof layer (4), the bottom of described closing lubricating cup (1) is provided with stirring structure (5) and hydraulic fluid port (6), and described hydraulic fluid port (6) passes through oil pipe
(7) it is connected with oil drain out (10) with pouring orifice (9) with two-way pump (8), described pouring orifice (9) place is provided with oiling electromagnetic valve
(11), described oil drain out (10) place is provided with oil drain solenoid valve (12), described test electrode (2), described stirring structure (5), institute
State oiling electromagnetic valve (11), described oil drain solenoid valve (12) is all connected with controller (13).
2. a kind of dielectric oil dielectrical strength tester according to claim 1 is it is characterised in that described damp-proof layer (4) is
Moisture absorption silica gel damp-proof layer.
3. a kind of dielectric oil dielectrical strength tester according to claim 1 is it is characterised in that described closing lubricating cup (1)
For tubular or square, and base diameter tapers into, and foot is collection port (14), and described stirring structure (5) is arranged on described
In collection port (14), described hydraulic fluid port (6) is arranged on the side of described collection port (14).
4. a kind of dielectric oil dielectrical strength tester according to claim 1 is it is characterised in that described two-way pump (8) is
High pressure miniature gears two-way pump.
5. a kind of dielectric oil dielectrical strength tester according to claim 1 is it is characterised in that also include peristaltic pump
(15), it is arranged on described oil pipe (7).
6. a kind of dielectric oil dielectrical strength tester according to claim 1 is it is characterised in that also include Level Detection dress
Put (16), be arranged in described closing lubricating cup (1) or described air vent (3) place, and be connected with described controller (13).
7. a kind of dielectric oil dielectrical strength tester according to claim 6 is it is characterised in that described liquid level detection device
(16) it is infrared level detection means.
8. a kind of dielectric oil dielectrical strength tester according to claim 1 is it is characterised in that described stirring structure (5)
It is connected with described controller (13) by pwm adjusting means (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620830678.7U CN205898961U (en) | 2016-08-03 | 2016-08-03 | Tester for testing dielectric strength of insulating oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620830678.7U CN205898961U (en) | 2016-08-03 | 2016-08-03 | Tester for testing dielectric strength of insulating oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205898961U true CN205898961U (en) | 2017-01-18 |
Family
ID=57783807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620830678.7U Active CN205898961U (en) | 2016-08-03 | 2016-08-03 | Tester for testing dielectric strength of insulating oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205898961U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111190082A (en) * | 2020-01-09 | 2020-05-22 | 华北电力大学 | Liquid steam dielectric strength testing arrangement |
| CN111458663A (en) * | 2020-05-21 | 2020-07-28 | 福州大学 | Oiled paper capacitive bushing moisture monitoring device and method based on air humidity sensing |
-
2016
- 2016-08-03 CN CN201620830678.7U patent/CN205898961U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111190082A (en) * | 2020-01-09 | 2020-05-22 | 华北电力大学 | Liquid steam dielectric strength testing arrangement |
| CN111458663A (en) * | 2020-05-21 | 2020-07-28 | 福州大学 | Oiled paper capacitive bushing moisture monitoring device and method based on air humidity sensing |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |