CN107121459A - Full-automatic specific insulation analyzer - Google Patents
Full-automatic specific insulation analyzer Download PDFInfo
- Publication number
- CN107121459A CN107121459A CN201710452795.3A CN201710452795A CN107121459A CN 107121459 A CN107121459 A CN 107121459A CN 201710452795 A CN201710452795 A CN 201710452795A CN 107121459 A CN107121459 A CN 107121459A
- Authority
- CN
- China
- Prior art keywords
- threeway
- pipeline
- peristaltic pump
- cup
- interface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/06—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid
- G01N27/07—Construction of measuring vessels; Electrodes therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/00584—Control arrangements for automatic analysers
- G01N35/0092—Scheduling
Landscapes
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pathology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
Present invention relates particularly to a kind of full-automatic specific insulation analyzer, it is characterized in that including 1 test glass, 1 minipump, two peristaltic pumps, two sample bottles, 1 cleaning agent bottle, 1 distilled water bottle and 1 waste liquid cup, minipump is connected by transfer pipeline with the first quick interface, two sample bottles are connected with the first peristaltic pump respectively, cleaning agent bottle and distilled water bottle are connected with the second peristaltic pump respectively, first peristaltic pump and the second peristaltic pump are connected by the first threeway with the second quick interface, pipeline between first peristaltic pump and the first threeway, minisize liquid magnetic valve is respectively equipped with pipeline between second peristaltic pump and the first threeway, the quick interface of discharge opeing is connected by pipeline with waste liquid cup, above-mentioned pipeline is provided with minisize liquid magnetic valve.Processing and fabricating, cost are low, easy to operate, reliable and stable, operating efficiency is high, the accurate advantage of measurement result with being easy to by the present invention.
Description
Technical field
The invention belongs to measuring instrument field, and in particular to a kind of applied to insulating oil, the full-automatic volume electricity of fire resistant oil
Resistance rate analyzer.
Background technology
Specific insulation, is impedance of the material per unit volume to electric current, for characterizing the electrical property of material, at present to exhausted
Edge oil, the measure of fuel resistant volume resistivity are using artificial operation, it is necessary to manual sampling, note sample, unpicking and washing, assembling.Whole process
Complex steps, inefficiency, time-consuming length, in the process, measurement accuracy deviation are big, measurement result can be caused inaccurate.
The content of the invention
Present invention aim to address prior art insulating oil, measuring fuel resistant volume resistivity using artificial operation institute band
The efficiency come is low, accuracy error is big, measurement result is inaccurate defect there is provided a kind of full-automatic specific insulation analyzer, its
Automaticity is high, operating efficiency is high, measurement result is accurate.
The present invention is achieved by the following technical solution：
I.e. a kind of full-automatic specific insulation analyzer, it is characterised in that including 1 test glass, 1 minipump, two
Wrapped successively outside individual peristaltic pump, two sample bottles, 1 cleaning agent bottle, 1 distilled water bottle and 1 waste liquid cup, the cup of test glass
It is covered with conductor, cooling piece and radiator fan, conductor and is embedded with primary heater, high-pressure stage and measurement is provided with cup
Pole, high-pressure stage is dielectrically separated from cup inwall, and high-pressure stage is provided with lower temperature sensor, is set between high-pressure stage and measurement pole
There are 2mm cavitys, high-pressure stage bottom is provided with the 3rd quick interface communicated with cavity, and measurement pole bottom is provided with lower screening electrode, cup
Body top is provided with upper screening electrode, and felt pad is equipped between measurement pole and lower screening electrode, between cup and upper screening electrode, measures pole
Insulation sleeve is provided between upper screening electrode, measurement extremely internal be provided with inside connector, connector is provided with secondary heater and upper
Temperature sensor is held, connector upper end is extended upper screening electrode provided with measurement pole terminals, is additionally provided with and cavity on upper screening electrode
The first quick interface, the second quick interface communicated, minipump is connected by transfer pipeline and the first quick interface
Connect, two sample bottles are connected with the first peristaltic pump respectively, cleaning agent bottle and distilled water bottle are connected with the second peristaltic pump respectively, first
Peristaltic pump and the second peristaltic pump are connected by the first threeway with the second quick interface, between the first peristaltic pump and the first threeway
Minisize liquid magnetic valve is respectively equipped with pipeline between pipeline, the second peristaltic pump and the first threeway, the quick interface of discharge opeing leads to
Cross pipeline to be connected with waste liquid cup, above-mentioned pipeline is provided with minisize liquid magnetic valve.
The minipump of the present invention can realize that functions/drying is blown in discharge opeing, exhaust, be used as a preferred scheme:It is miniature
The air entry of vavuum pump is connected by pipeline with an interface of the second threeway, second interface of the second threeway by pipeline with
The interface connection of 3rd threeway, second interface of the 3rd threeway is connected by the quick interface of pipeline and gas phase, and the 3rd
3rd interface of threeway is connected by the exhaust outlet of pipeline and minipump, the air entry of minipump and the second threeway
Between pipeline on, on the pipeline between the second threeway and the 3rd threeway, before the exhaust outlet of the 3rd threeway and minipump
Pipeline on be respectively equipped with minisize liquid magnetic valve.
The present invention passes through above-mentioned two threeway and 3 minisize liquid magnetic valves, it is possible to achieve malleation in test glass and negative
Press operation.
The sample bottle of the present invention is two, contains determine insulating oil, fire resistant oil etc. respectively.
The present invention is with reference to home and abroad standard《DL/T421-2009》、《GB/T5654-2007》、《IEC60247:2004》Deng
The assay method development and production of other oil based media specific insulations such as insulating oil, fire resistant oil as defined in standard.
Processing and fabricating, cost are low, easy to operate, reliable and stable, operating efficiency is high, measurement result is accurate with being easy to by the present invention
True advantage.The present invention using a minipump and two peristaltic pumps from start shooting into oil sample to cleaning test glass to discharge opeing,
Cleaning, exhaust drying it is dry, overall process need not manually operate, coordinate programmable controller, it is possible to achieve from auto injection, heating,
Refrigeration, thermometric, automatic drain, automatic cleaning, drying, with self-inspection, self-correcting, self-diagnostic function, automatic decision determines terminal, can
Display, storage measurement result, realize all automations.Using the present invention and artificial contrast, minute is short, operating efficiency is high,
Labor intensity is low, it is to avoid during determining and completing and vary product, and artificial cleaning, dismounting whole process complex steps show
As also make it that measurement result is more accurate.The present invention is used for insulating oil, the measure of fuel resistant volume resistivity and other oils and is situated between
The measure of matter specific insulation, it is widely used, experimental condition environment can be improved for Subscriber Unit.
Brief description of the drawings
Fig. 1 is principle schematic diagram of the invention.
As shown in FIG.:1. high-pressure stage；2. felt pad；3. connector；4. measure pole；5. felt pad；6. on screening electrode；7.
Insulation sleeve；8. lower screening electrode；9. measure pole terminals；10. upper end temperature sensor；The quick interfaces of 11-1. first；11-2.
Second quick interface；12. insulation sleeve；13. secondary heater；14. lower temperature sensor；15. minisize liquid magnetic valve；
16. minisize liquid magnetic valve；17. minipump；18. minisize liquid magnetic valve；19. minisize liquid magnetic valve；20. miniature liquid
Body magnetic valve；21. radiator fan；22. support；23. waste liquid cup；24. conductor；25. minisize liquid magnetic valve；26. the 3rd
Quick interface；27. primary heater；28. cooling piece；29. sample bottle；30. the first peristaltic pump；31. cleaning agent bottle；32. steam
Distilled water bottle；33. the second peristaltic pump；34. the first threeway；35. the second threeway；36. the 3rd threeway.
Embodiment
As shown in Figure 1：Conductor 24, cooling piece 28 and radiator fan 21 are coated with outside the cup of test glass successively,
It is embedded with conductor in primary heater 27, cup provided with high-pressure stage 1 and measurement pole 4, high-pressure stage 1 is dielectrically separated from cup
On wall, lower temperature sensor 14 is embedded with inside high-pressure stage 1,2mm cavitys, high-pressure stage are provided between high-pressure stage 1 and measurement pole 4
1 bottom is provided with the 3rd quick interface 26 communicated with cavity, and the measurement bottom of pole 4 is provided with lower screening electrode 8, and cup top is provided with upper
Screening electrode 6, is provided with felt pad 2, felt pad 5 is equipped between cup and upper screening electrode 6 between measurement pole 4 and lower screening electrode 8, survey
Measure and insulation sleeve 7 is provided between pole 4 and upper screening electrode 6, the inside of measurement pole 4, which is provided with inside connector 3, connector 3, is provided with second
Heater 13 and upper end temperature sensor 10, the upper end of connector 3 extend upper screening electrode set 6 have measurement pole terminals 9, upper shielding
The quick interface 11-1 of first communicated with cavity, the second quick interface 11-2 are additionally provided with pole 6, whole test glass is placed on
On support 22, the air entry of minipump 17 is connected by pipeline with an interface of the second threeway 35, the second threeway 35
Second interface is connected by pipeline with an interface of the 3rd threeway 36, second interface of the 3rd threeway 36 by pipeline with
First quick interface 11-1 connections, the 3rd interface of the 3rd threeway 36 is connected by the exhaust outlet of pipeline and minipump 17
Connect, on the pipeline between the air entry of minipump 17 and the second threeway 35, between the second threeway 35 and the 3rd threeway 36
Be respectively equipped with pipeline on pipeline, before the exhaust outlet of the 3rd threeway 36 and minipump 17 minisize liquid magnetic valve 18,
Minisize liquid magnetic valve 19, minisize liquid magnetic valve 20.Two sample bottles 29 are connected with the first peristaltic pump 30 respectively, cleaning agent bottle
31 and distilled water bottle 32 be connected respectively with the second peristaltic pump 33, the first peristaltic pump 30 and the second peristaltic pump 33 pass through the first threeway 34
It is connected with the second quick interface 11-2, the pipeline between the first peristaltic pump 30 and the first threeway 34 is provided with minisize liquid electromagnetism
Valve 15, the pipeline between the second peristaltic pump 33 and the first threeway 34 is provided with minisize liquid magnetic valve 16, the 3rd quick interface
26 are connected by pipeline with waste liquid cup 23, and above-mentioned pipeline is provided with minisize liquid magnetic valve 25.
During using the present invention, according to the different sample types of test, it is desirable to set test temperature, insulating oil is 90 DEG C, fire-resistant
Oil is 20 DEG C, sets the setting that the charging interval is the different samples such as 60S.
The step of determining the specific insulation of fire resistant oil is as follows:
1) when testing fire resistant oil experiment work, it is 20 DEG C to set temperature, first turns on minisize liquid magnetic valve 19, miniature
Liquid electromagnetic valve 15, is then turned on peristaltic pump 30, and oil sample about 45ml, inhalation test cup are drawn from the oil sample cup 29 for holding fire resistant oil
It is interior, after the completion of it is automatic close peristaltic pump 30, minisize liquid magnetic valve 19, minisize liquid magnetic valve 15, use upper end TEMP
Device 10, the measurement temperature of lower temperature sensor 14, automatically turn on cooling piece 28 and open cooling fan 21, primary heater simultaneously
27th, secondary heater 13, when interior measurement pole 4, outer high-pressure stage 1 indicate temperature and set the positive and negative deviation of temperature to be respectively less than 0.5 DEG C
When, that is, pressurizeed, charged and measured, show log, first time experimental test is completed；
2) after the completion of first time tests, minisize liquid magnetic valve 25 is automatically turned on, minisize liquid magnetic valve 20, miniature true
Empty pump 17, the oil product of test glass is emptied in waste liquid cup 23, and the exhaust drying that worked on after the completion of discharge opeing is dry.
3) repeat step 1), 2) be automatically performed the test of second oil test, depletion test cup and dry, display of cleaning drying
Parallel test result is recorded, test result error should meet method repeatability requirement twice, until two adjacent result of the tests expire
Untill sufficient method repeatability is required.(note：The adjacent average value for meeting precision requirement result of the test twice is taken as the body of sample
Product resistivity report value, retains two effective digitals, and indicate test temperature.)
4) it is automatic to carry out cleaning test glass for the first time after the completion of the above-mentioned test passes of oil test several times, first automatically
Minisize liquid magnetic valve 16, minisize liquid magnetic valve 19 are opened, peristaltic pump 33 is then turned on, cleaning agent is drawn from cleaning agent bottle 31
In about 45ml, inhalation test cup, cleaned automatically (standing), close peristaltic pump 33, minisize liquid magnetic valve 16, minisize liquid
Magnetic valve 19, opens minisize liquid magnetic valve 18, minisize liquid magnetic valve 20, minisize liquid magnetic valve 25, is then turned on miniature true
Empty pump 17, the cleaning agent in test glass is discharged into waste liquid cup 23, is automatically continued work exhaust and is dried up dry (1 minute), for the first time
Cleaning agent cleaning is completed.Repeat the above steps automatic second of cleaning of progress.
5) after the completion of second is cleaned with cleaning agent, then cleaning is tested twice automatically with the distilled water in distilled water bottle 32
Cup, cleaning process and step 4) it is identical.
6) after the completion of being cleaned twice with distilled water, test glass carries out emptying cup, the dry work of exhaust drying automatically, it is ensured that clear
Clean dry mass, empty cup insulaion resistance is more than 3X1012Ω, measurement capacitance cannot be greater than 2% with nominal value positive and negative deviation.
The step of determining the specific insulation of insulating oil is as follows:
7) when testing insulating oil experiment work, it is 90 DEG C to set temperature, automatically turn on first minisize liquid magnetic valve 19,
Minisize liquid magnetic valve 15, is then turned on the first peristaltic pump 30, and oil sample is drawn about from the sample bottle 29 of another splendid attire insulating oil
In 45ml, inhalation test cup, using upper end temperature sensor 10, the measurement temperature of lower temperature sensor 14, start second and heat
Device 27, when interior measurement pole 4, outer high-pressure stage 1 indicate that the positive and negative deviation of temperature and setting temperature is respectively less than 0.5 DEG C, that is, is added
Pressure, charging and measurement, show log, and first time experimental test is completed；
8) with the step 2 for the specific insulation for determining fire resistant oil) it is identical；
9) second of same oil product of test insulating oil, parallel test step repeat step 7 are carried out again) and measure fire resistant oil
Specific insulation step 2), step 3), be automatically performed test result
10) after the completion of the above-mentioned test passes of oil test several times, test glass is cleaned automatically, step is with determining fire resistant oil
The step 4 of specific insulation), step 5), step 6) it is identical, cleaning is dried automatically after finishing using the waste heat supply temperature of test glass.
Claims (2)
1. a kind of full-automatic specific insulation analyzer, it is characterised in that including 1 test glass, 1 minipump, two it is compacted
It is coated with successively outside dynamic pump, two sample bottles, 1 cleaning agent bottle, 1 distilled water bottle and 1 waste liquid cup, the cup of test glass
It is embedded with conductor, cooling piece and radiator fan, conductor in primary heater, cup provided with high-pressure stage and measurement pole,
High-pressure stage is dielectrically separated from cup inwall, and high-pressure stage is provided with lower temperature sensor, is provided between high-pressure stage and measurement pole
2mm cavitys, high-pressure stage bottom is provided with the 3rd quick interface communicated with cavity, and measurement pole bottom is provided with lower screening electrode, cup
Top is provided with upper screening electrode, is equipped with felt pad between measurement pole and lower screening electrode, between cup and upper screening electrode, measurement pole and
Insulation sleeve is provided between upper screening electrode, measurement extremely internal be provided with inside connector, connector is provided with secondary heater and upper end
Upper screening electrode is extended provided with measurement pole terminals in temperature sensor, connector upper end, is additionally provided with and cavity phase on upper screening electrode
Logical the first quick interface, the second quick interface, minipump are connected by transfer pipeline with the first quick interface,
Two sample bottles are connected with the first peristaltic pump respectively, and cleaning agent bottle and distilled water bottle are connected with the second peristaltic pump respectively, and first is compacted
Dynamic pump and the second peristaltic pump are connected by the first threeway with the second quick interface, the pipe between the first peristaltic pump and the first threeway
Minisize liquid magnetic valve is respectively equipped with pipeline between road, the second peristaltic pump and the first threeway, the quick interface of discharge opeing passes through
Pipeline is connected with waste liquid cup, and above-mentioned pipeline is provided with minisize liquid magnetic valve.
2. full-automatic specific insulation analyzer according to claim 1, it is characterised in that the air entry of minipump
It is connected by pipeline with an interface of the second threeway, second interface of the second threeway pass through pipeline and the 3rd threeway one
Interface is connected, and second interface of the 3rd threeway is connected by pipeline with the first quick interface, and the 3rd of the 3rd threeway connects
Mouth is connected by the exhaust outlet of pipeline and minipump, on the pipeline between the air entry of minipump and the second threeway,
Set respectively on pipeline on pipeline between second threeway and the 3rd threeway, before the exhaust outlet of the 3rd threeway and minipump
There is minisize liquid magnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710452795.3A CN107121459B (en) | 2017-06-15 | 2017-06-15 | Full-automatic volume resistivity analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710452795.3A CN107121459B (en) | 2017-06-15 | 2017-06-15 | Full-automatic volume resistivity analyzer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107121459A true CN107121459A (en) | 2017-09-01 |
| CN107121459B CN107121459B (en) | 2019-08-23 |
Family
ID=59719095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710452795.3A Active CN107121459B (en) | 2017-06-15 | 2017-06-15 | Full-automatic volume resistivity analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107121459B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107931267A (en) * | 2017-12-22 | 2018-04-20 | 广东微碳检测科技有限公司 | For cleaning the cleaning system of U-shaped fritted glass disk bubbler |
| CN111226120A (en) * | 2017-10-20 | 2020-06-02 | 株式会社东阳特克尼卡 | Detector |
| CN114994139A (en) * | 2022-08-05 | 2022-09-02 | 国网天津市电力公司电力科学研究院 | Defect detection method, device and equipment for cable buffer layer and storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201181318Y (en) * | 2008-04-04 | 2009-01-14 | 无锡泰思特仪器设备有限公司 | Pole cup |
| CN201666920U (en) * | 2009-12-09 | 2010-12-08 | 山东中惠仪器有限公司 | Full-automatic dielectric loss and volume resistivity tester |
| CN101957405A (en) * | 2009-12-09 | 2011-01-26 | 山东中惠仪器有限公司 | Full automatic detection device for dielectric loss and volume resistivity |
| CN204375502U (en) * | 2015-01-03 | 2015-06-03 | 张家港市大辰机械制造有限公司 | Cable drying device |
| CN104914319A (en) * | 2015-06-01 | 2015-09-16 | 苏州市华安普电力工程有限公司 | Automatic tester for transformer oil dielectric loss and resistivity |
-
2017
- 2017-06-15 CN CN201710452795.3A patent/CN107121459B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201181318Y (en) * | 2008-04-04 | 2009-01-14 | 无锡泰思特仪器设备有限公司 | Pole cup |
| CN201666920U (en) * | 2009-12-09 | 2010-12-08 | 山东中惠仪器有限公司 | Full-automatic dielectric loss and volume resistivity tester |
| CN101957405A (en) * | 2009-12-09 | 2011-01-26 | 山东中惠仪器有限公司 | Full automatic detection device for dielectric loss and volume resistivity |
| CN204375502U (en) * | 2015-01-03 | 2015-06-03 | 张家港市大辰机械制造有限公司 | Cable drying device |
| CN104914319A (en) * | 2015-06-01 | 2015-09-16 | 苏州市华安普电力工程有限公司 | Automatic tester for transformer oil dielectric loss and resistivity |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111226120A (en) * | 2017-10-20 | 2020-06-02 | 株式会社东阳特克尼卡 | Detector |
| CN111226120B (en) * | 2017-10-20 | 2021-04-23 | 株式会社东阳特克尼卡 | Detector |
| CN107931267A (en) * | 2017-12-22 | 2018-04-20 | 广东微碳检测科技有限公司 | For cleaning the cleaning system of U-shaped fritted glass disk bubbler |
| CN107931267B (en) * | 2017-12-22 | 2023-06-16 | 广东微碳检测科技有限公司 | Cleaning system for cleaning U-shaped porous glass plate absorption tube |
| CN114994139A (en) * | 2022-08-05 | 2022-09-02 | 国网天津市电力公司电力科学研究院 | Defect detection method, device and equipment for cable buffer layer and storage medium |
| CN114994139B (en) * | 2022-08-05 | 2022-11-08 | 国网天津市电力公司电力科学研究院 | Defect detection method, device and equipment for cable buffer layer and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107121459B (en) | 2019-08-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107121459A (en) | Full-automatic specific insulation analyzer | |
| CN104568310B (en) | High-temp pressure sensor test device | |
| CN104569630A (en) | Solid-liquid universal temperature control space charge measurement device based on pulse electroacoustic method | |
| WO2015139156A1 (en) | Fully automated high-precision capillary electrophoresis instrument | |
| CN109813507B (en) | Soft package battery leakage inspection method and mechanism | |
| CN206114577U (en) | Air -sensitive material performance test room | |
| CN111707697A (en) | Simulation method and device for detecting dissolved gas in oil under thermal fault of insulating oil | |
| WO2014005463A1 (en) | Sampling needle automatic washing apparatus and method therefor | |
| CN101957405B (en) | Full automatic detection device for dielectric loss and volume resistivity | |
| CN106680351A (en) | On-line dynamic measurement device used for micro-water content in insulation oil paper | |
| CN201876093U (en) | Vacuum oven capable of measuring moisture content of gas in oven body on line | |
| CN204718998U (en) | A kind of reaction tank and water quality monitor | |
| CN104634898A (en) | Test method and device for evaluating gas production trend of transformer oil in electric-thermal mixed field | |
| CN201247197Y (en) | Improved structure of spectrophotometer injector | |
| CN206235593U (en) | A kind of on-line dynamic measurement device for micro-water content in empire paper | |
| CN205898518U (en) | Take steam heating's sampling probe | |
| CN206132673U (en) | A sample platform for going on high warm electrical parameter measuring | |
| CN214373210U (en) | Rotary drum internal coating leak detection equipment | |
| CN209238546U (en) | A kind of full-automatic black cleaning plant of probe station syringe needle product of GPP | |
| CN2816790Y (en) | Core sample oil washing instrument | |
| CN206431133U (en) | Portable type full-automatic oil product hydrogen sulfide detector | |
| CN114720506B (en) | Device and method for testing final distillation point | |
| CN107537689B (en) | Small high voltage electrostatic dust-extraction unit and preparation method thereof | |
| CN101476963B (en) | Detection method for osmotic concentration of vehicle fuel tank welding point and connector | |
| CN109632449A (en) | A kind of traditional Chinese drug inspissation technical process medical fluid density on-line detecting system and detection method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 255086 East, second floor, office building, No. 10, Dinghong Road, high tech Zone, Zibo City, Shandong Province Patentee after: Shandong Narui Instrument Co.,Ltd. Address before: 255086 East, second floor, office building, No. 10, Dinghong Road, high tech Zone, Zibo City, Shandong Province Patentee before: ZIBO NARUI INSTRUMENT Co.,Ltd. |