CN206095949U - Automatic insulated paper acid number device for testing transformer - Google Patents
Automatic insulated paper acid number device for testing transformer Download PDFInfo
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- CN206095949U CN206095949U CN201621058102.XU CN201621058102U CN206095949U CN 206095949 U CN206095949 U CN 206095949U CN 201621058102 U CN201621058102 U CN 201621058102U CN 206095949 U CN206095949 U CN 206095949U
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- Prior art keywords
- spectrophotometer
- control module
- acid
- insulating paper
- converter
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- 238000012360 testing method Methods 0.000 title claims abstract description 24
- VAYOSLLFUXYJDT-RDTXWAMCSA-N Lysergic acid diethylamide Chemical compound C1=CC(C=2[C@H](N(C)C[C@@H](C=2)C(=O)N(CC)CC)C2)=C3C2=CNC3=C1 VAYOSLLFUXYJDT-RDTXWAMCSA-N 0.000 title claims abstract description 17
- 238000000605 extraction Methods 0.000 claims abstract description 24
- 238000009413 insulation Methods 0.000 claims description 22
- 239000013307 optical fiber Substances 0.000 claims description 3
- 239000002253 acid Substances 0.000 abstract description 47
- 230000032683 aging Effects 0.000 abstract description 13
- 239000003795 chemical substances by application Substances 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000004040 coloring Methods 0.000 abstract 2
- 230000018109 developmental process Effects 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- 230000007704 transition Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 22
- 238000000034 method Methods 0.000 description 8
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000000284 extract Substances 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- KJFMBFZCATUALV-UHFFFAOYSA-N phenolphthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2C(=O)O1 KJFMBFZCATUALV-UHFFFAOYSA-N 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 239000003513 alkali Substances 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- FRPHFZCDPYBUAU-UHFFFAOYSA-N Bromocresolgreen Chemical compound CC1=C(Br)C(O)=C(Br)C=C1C1(C=2C(=C(Br)C(O)=C(Br)C=2)C)C2=CC=CC=C2S(=O)(=O)O1 FRPHFZCDPYBUAU-UHFFFAOYSA-N 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 150000003384 small molecules Chemical class 0.000 description 3
- 238000012800 visualization Methods 0.000 description 3
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 2
- JOOXCMJARBKPKM-UHFFFAOYSA-N 4-oxopentanoic acid Chemical compound CC(=O)CCC(O)=O JOOXCMJARBKPKM-UHFFFAOYSA-N 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000019253 formic acid Nutrition 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 238000005903 acid hydrolysis reaction Methods 0.000 description 1
- 238000002479 acid--base titration Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000012086 standard solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
Landscapes
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The utility model relates to an automatic insulated paper acid number device for testing transformer, the device include control module, spectrophotometer and AD converter, spectrophotometer output is connected with control module through the AD converter, place the cell that holds the sour color development solution of insulating pattern extraction that awaits measuring on spectrophotometer's the magazine. Contain low molecule water -soluble acid according to insulated paper for the transformer, its different acid numbers can demonstrate the principle of different colour wavelength when adding specific colouring agent, detect out these wavelength through spectrophotometer, and then send these wavelength electric signal transition to control module for data signal through the AD converter, carry out autoanalysis by control module to ripples long signal and calculate the back, reach the trial value, to surpassing the value of setting, can send slight ageingly respectively according to surpassing the degree, the warning that well degree is ageing or serious ageing. The utility model discloses do not have other any chemical reagent except that the colouring agent of adding the minute quantity, have the advantage that is showing of high efficiency, simple, environmental protection etc..
Description
Technical field
This utility model is related to acid value measuring device in transformer insulating paper, and particularly a kind of automatic testing transformer is with absolutely
Edge paper acid number device.
Background technology
Layer insulating paper is the most important factor for ensureing transformer safety operation, and insulating paper Long term immersion is in transformator
In oil, fixed, insulation and protective effect are played to Transformer Winding, lead, insulation paper quality is inside transformer material therefor
Short slab, the transformator of normal operation, its mechanically and electrically the life-span up to more than 70-80, but due to the paper quality that insulate it is general
More than 20 years can only be ensured so that transformator whole service life depends on insulating paper, also only more than 20 year.Insulating paper main component
It is lignocellulose, the impact of the composite factor such as environment operation, cellulose in long period electric fields run and be immersed in transformer oil
The effect such as high temperature degradation, oxidation Decomposition and acid-catalyzed hydrolysis can occur, the acid of the small molecules such as formic acid, acetic acid and levulic acid is produced,
The summation of the low molecule water-soluble organic acids such as formic acid, acetic acid and levulic acid produced by these are aging is referred to as the acid of insulating paper
Value, most small molecule acid are attracted in insulating paper, and are highly soluble in water, with being continuously increased for these small molecule acid,
Can constantly aggravate to produce insulating paper aging damage effect, form vicious cycle, therefore transformer insulating paper need to be sampled
Analysis experiment, is measured to institute's acid number in pattern product, to know insulating paper degree of aging and scope, to aging serious insulation
Paper will give warning in advance, and take the processing method partially or fully changed, repair, it is ensured that transformer safety is run.Fig. 1-3 is change
Depressor schematic diagram, wherein 1 is transformator；2 is bushing；3 is insulating oil；4 is Transformer Winding；5 is insulating paper；6 are change
Depressor iron core；7 is securing member；8 is high-voltage connection insulating paper；9 is Transformer Winding high-voltage connection.Conventional insulator paper acid value test
It is to adopt the classical chemical acid alkali titration method for carrying out with phenolphthalein as indicator by insulation pattern extract acid, traditional transformer is exhausted
Edge paper acid value test continuous mode is shown in Fig. 4 A-D, and traditional transformer insulating paper acid value test is determined, and need to select top pure grade base in advance
Quasi- preparation of reagents standard K OH alkali liquor, then again with standard K OH alkali liquor titrating insulation pattern extract acid, whole experiment process
Very complicated, work consuming take, and medicine and reagent is more, and not environmentally, are badly in need of a kind of accurate, simple and direct, the quick assay method of energy, figure
In 10 be standard acid number insulate pattern；11 is conical flask；12 is standard acid number insulation pattern extraction acid solution；13 is dropper；
14 is phenolphthalein indicator；15 is base buret；21 is normal concentration KOH solution.
The content of the invention
The purpose of this utility model is to provide a kind of automatic testing transformer insulating paper acid number device.
This utility model employs the following technical solutions realization：A kind of automatic testing transformer insulating paper acid number device, its
Control module, spectrophotometer and a/d converter including the standard insulation pattern for being previously stored with acid number known to series；It is described
Spectrophotometer output is connected with a/d converter；The a/d converter Jing optical fiber is connected with control module；The spectrophotometer
Magazine on be placed with the cuvette for holding the sour chromophoric solution of insulation pattern extraction to be measured.
Further, also include monitor, the alarm being connected with the control module.
Compared with prior art, device of the present utility model can realize that transformer insulating paper acid number is automatically determined, with tradition
Transformer insulating paper acid value test is determined and is compared, and without the need for repeating preparating acid, alkali standard solution, is dripped without soda acid is repeated
It is fixed, with the remarkable advantage such as efficient, simple and direct, quick, energy-conserving and environment-protective.
Description of the drawings
Schematic diagram when Fig. 1 is inside transformer immersion insulating oil；
Fig. 2 is inside transformer high-tension coil, iron core, high-voltage connection, insulating paper schematic diagram；
Fig. 3 is inside transformer high-tension coil, iron core, high-voltage connection and insulating paper schematic side view；
Fig. 4 is that the conventional acid-base titration experiment work process of the layer insulating paper acid number of this utility model embodiment is shown
It is intended to；
Fig. 5 is that the sour chromophoric solution of known different acid number series standard insulating paper extractions of this utility model embodiment prepares examination
Test course of work schematic diagram；
Fig. 6 is that the sour chromophoric solution wavelength determination test course of work of insulating paper extraction of this utility model embodiment is illustrated
Figure；
Fig. 7 is that the sour chromophoric solution of insulating paper extraction to be measured of this utility model embodiment prepares the signal of experiment work process
Figure.
Diagram：
1- transformators；2- bushings；3- insulating oils；4- Transformer Windings；5- insulating papers；6- transformer cores；7- is tight
Firmware；8- high-voltage connection insulating papers；9- Transformer Winding high-voltage connections；10- standards acid number insulation pattern；11- conical flasks；
12- standards acid number insulation pattern extraction acid solution；13- droppers；14- phenolphthalein indicators；15- base burets；16- pipets；
17- test tubes；18- visualization Bromocresol green agent；The sour chromophoric solution of 19- standards acid number insulation pattern extraction；20- insulation patterns to be measured；
21- normal concentration KOH solutions；22- insulation pattern extraction acid solutions to be measured；The sour chromophoric solution of 23- insulation pattern extractions to be measured；
24- cuvettes；25-B pipets；26- spectrophotometer magazines.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment is described further to this utility model.
A kind of automatic testing transformer is as follows with insulating paper acid number device using method：
This utility model provides a kind of automatic testing transformer insulating paper acid number device, and which includes being previously stored with series
The standard insulation control module of pattern of known acid number, spectrophotometer and a/d converter；The spectrophotometer output and AD
Transducer connects；The a/d converter Jing optical fiber is connected with control module；It is placed with the magazine of the spectrophotometer and holds
The cuvette of insulation pattern extraction acid chromophoric solution to be measured.
Further, also include monitor, the alarm being connected with the control module.
The using method of this utility model device is illustrated briefly below, and the non-this utility model of the method will protect content.
The corresponding series standard wavelength of wherein known different acid number series standard insulating papers is determined referring to Fig. 5-6, concrete side
Method is as follows：
The 1.1 series standard insulating paper 1g insulation patterns 10 for getting out different acid numbers known to several pieces, and be respectively put into each
In self-corresponding 250ml conical flasks 11,50ml distilled water is separately added into, is heated to 40 DEG C of temperature and keeps, while gently shaking
Even 5 minutes, the fully acid in extraction standard insulation pattern 10；
1.2 are extracted from 11 lower floor's standard acid number insulating paper extraction acid solution 12 of each conical flask with A pipets 16 respectively
10.0mL is in respective 20ml test tubes 17；
1.3 in each extraction acid solution 20ml test tubes 17, add 2 drops～3 to drip visualization Bromocresol green agent 18, fully shake up,
Become the sour chromophoric solution 19 of standard acid number insulating paper extraction；
1.4 again with B pipets 25 respectively from the 20ml test tubes 7 for respectively having added developer draw 5ml extraction acid colour developing it is molten
Liquid 19, adds in each self-corresponding 5ml cuvettes 24；
1.5 load cuvette 24 in the magazine 26 of spectrophotometer；
1.6 open spectrophotometer, and start after adjustment is stable molten to loading the extraction acid colour developing in magazine cuvette 24
Liquid 19 carries out wavelength measure；
After the completion of 1.7 measure, the wavelength signal of telecommunication for being determined is automatically delivered to a/d converter by spectrophotometer；
1.8 a/d converters will transmit the next wavelength signal of telecommunication by spectrophotometer and be amplified, and be converted to digital signal
After transmit to control module；
1.9 control modules are to above series standard insulating paper standard acid number and correspond to standard wave length, and according to insulating paper acid
Value content requirement is respectively provided with the alarming value of the slight aging, mittlere alterung of insulating paper and serious aging；
1.10 by series standard insulating paper standard acid number and corresponding standard wave length's relation, and insulating paper it is slight it is aging, in
Degree is aging and serious aging alarming value is stored in the control module；
2nd, it is to be measured to insulate pattern acid value measuring and compare, see Fig. 7, Fig. 6, detailed process are as follows：
After 2.1 pairs of insulation patterns to be measured 20 taken out from transformator are processed on request, insulating paper extract acid number is carried out
Determine；
2.2 weigh 1g insulating paper patterns 20 to be measured, and are put in 250ml conical flasks 11, add 50ml distilled water, plus
Heat is to 40 DEG C of temperature and keeps, while gently shaking up 5 minutes, fully extracts the acid in insulation pattern 20 to be measured；
2.3 with A pipets 16 from 11 lower floor of conical flask it is to be measured insulation pattern extraction acid solution 22 in extract 10.0mL in
In 20ml test tubes 17；
2.4 in insulating paper to be measured extraction acid solution 20ml test tubes 17, add 2 drops～3 to drip visualization Bromocresol green agent 18
Into 20ml test tubes 17, fully shake up, now insulating paper extraction acid solution 22 to be measured is changed into insulating paper extraction acid colour developing to be measured
Solution 23；
2.5 draw 5ml insulating paper extraction acid to be measured with B pipets 25 again from the 20ml test tubes 17 for add developer
Chromophoric solution 23, adds in 5ml cuvettes 24；
2.6. cuvette 24 is loaded in the magazine 26 of spectrophotometer；
2.7 open spectrophotometer, and start after adjustment is stable to loading the insulating paper extraction to be measured in magazine cuvette 24
Taking sour chromophoric solution 23 carries out developing wavelength measure；
2.8 wavelength measured are gone out the acid number of insulating paper to be measured by control module automatic measurement ＆ calculation；
2.9 acid numbers such as measured exceed arranges value, and the degree that control module exceedes according to acid number content controls alarm
The warning warning of slight aging, mittlere alterung or serious aging is sent respectively.
The foregoing is only preferred embodiment of the present utility model, it is all according to this utility model claim done it is equal
Deng change and modification, should all belong to covering scope of the present utility model.
Claims (2)
1. a kind of automatic testing transformer insulating paper acid number device, it is characterised in that：It is sour known to series including being previously stored with
The standard insulation control module of pattern of value, spectrophotometer and a/d converter；The spectrophotometer output and a/d converter
Connection；The a/d converter Jing optical fiber is connected with control module；Be placed with the magazine of the spectrophotometer hold it is to be measured absolutely
The cuvette of the sour chromophoric solution of edge pattern extraction.
2. automatic testing transformer according to claim 1 insulating paper acid number device, it is characterised in that：Also include and institute
State monitor, the alarm of control module connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621058102.XU CN206095949U (en) | 2016-09-18 | 2016-09-18 | Automatic insulated paper acid number device for testing transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621058102.XU CN206095949U (en) | 2016-09-18 | 2016-09-18 | Automatic insulated paper acid number device for testing transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206095949U true CN206095949U (en) | 2017-04-12 |
Family
ID=58476781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621058102.XU Active CN206095949U (en) | 2016-09-18 | 2016-09-18 | Automatic insulated paper acid number device for testing transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206095949U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106338511A (en) * | 2016-09-18 | 2017-01-18 | 国网福建省电力有限公司 | Device and method for automatically testing acid value of insulation paper for transformer |
-
2016
- 2016-09-18 CN CN201621058102.XU patent/CN206095949U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106338511A (en) * | 2016-09-18 | 2017-01-18 | 国网福建省电力有限公司 | Device and method for automatically testing acid value of insulation paper for transformer |
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