CN203350248U - Tester for gas content of insulation oil - Google Patents
Tester for gas content of insulation oil Download PDFInfo
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- CN203350248U CN203350248U CN 201320357400 CN201320357400U CN203350248U CN 203350248 U CN203350248 U CN 203350248U CN 201320357400 CN201320357400 CN 201320357400 CN 201320357400 U CN201320357400 U CN 201320357400U CN 203350248 U CN203350248 U CN 203350248U
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Abstract
The utility model discloses a tester for a gas content of insulation oil. The tester comprises an oil gas running device, a sensor module, a signal acquisition module for conditioning and acquiring a sensor signal, a signal processing module for processing the acquired signal, a power supply module, a communication module and a man-machine interaction module, wherein the oil gas running device is connected with the sensor module; the sensor module is connected with the signal acquisition module; the signal acquisition module is connected with the signal processing module; and the signal processing module is connected with the man-machine interaction module by the communication module. With the adoption of the tester for the gas content of the insulation oil in the structure, determination requirements on the overall gas content in the insulation oil of various high voltage, supervoltage and extra-high voltage oil charging electrical equipment can be met; a wider detection range is ensured; a measuring speed and the precision are increased and improved; the oil capacity is saved; and operation, maintenance and verification are simple and convenient.
Description
Technical field
The utility model relates to a kind of tester, especially relates to a kind of insulating oil air content tester.
Background technology
In the operational outfit of 330KV and above, as transformer, reactor, mutual inductor, oil filled bushing etc., total air content size of insulating oil is an important indicator of guaranteeing equipment safety operation.Along with increasing of electric pressure, also stricter to the requirement of the insulating oil air content in equipment.Relevant regulations according to GB/T7595-2000 " transformer oil standard in service ", DL/T596 " power equipment preventive trial rules ", GB/T14542 " transformer oil maintenance management guide rule in service ", the equipment such as the Insulation Oil Transformer of 330KV and above, reactor, before equipment investment operation and equipment is in service all needs to carry out the test of insulating oil air content.In addition, all need to carry out the insulating oil processing when device fabrication, installation and overhaul, as in the vacuum oil filtering process, all must strictly control the air content of insulating oil before the insulating oil injection device and in the hot oiling process.Therefore, the test of the air content of insulating oil is an important tests of guaranteeing device fabrication, installation and repair quality.
There is following shortcoming in the existing detector in market:
At first, the test request that test specification is narrow, measuring accuracy can not meet extra-high voltage insulation of electrical installation oil air content; Secondly, vacuum system adopts glass material usually, the problems such as easily breakage, sealing difficulty; Again, test speed is slow, is not suitable for batch testing, and measurement sensitivity is low, poor repeatability; Finally, existing detector test operating procedure is loaded down with trivial details, and intelligent degree is low.
The utility model content
The purpose of this utility model is to provide a kind of insulating oil air content tester, can meet the mensuration requirement of total air content in the various oil-filled electric equipment insulating oils such as high pressure, UHV (ultra-high voltage), extra-high voltage, guarantee wider sensing range, improve measuring speed and precision, save and use oil mass, operation, maintenance and verification are simple and convenient.
For achieving the above object, the utility model provides a kind of insulating oil air content tester, comprise the oil gas running gear, sensor assembly, sensor signal is nursed one's health to the signal acquisition module gathered, the signal processing module that the signal gathered is processed, supply module, communication module, human-computer interaction module, described oil gas running gear is connected with described sensor assembly, described sensor assembly is connected with described signal acquisition module, described signal acquisition module is connected with described signal processing module, described signal processing module is connected with described human-computer interaction module by communication module.
Preferably, described signal acquisition module comprises preposition amplification submodule, program control amplification submodule and analog to digital conversion submodule.
Preferably, described sensor assembly comprises Temperature Humidity Sensor and pressure transducer.
Preferably, described oil gas running gear adopts Stainless Steel Shell.
Therefore, the utility model adopts the insulating oil air content tester of said structure, can meet the mensuration requirement of total air content in the various oil-filled electric equipment insulating oils such as high pressure, UHV (ultra-high voltage), extra-high voltage, guarantee wider sensing range, improve measuring speed and precision, save and use oil mass, operation, maintenance and verification are simple and convenient.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
The accompanying drawing explanation
The structural representation that Fig. 1 is the utility model insulating oil air content tester embodiment;
The structural representation that Fig. 2 is oil gas running gear described in the utility model insulating oil air content tester embodiment.
Embodiment
Embodiment
The structural representation that Fig. 1 is the utility model insulating oil air content tester embodiment, as shown in Figure 1, comprise oil gas running gear 1, sensor assembly 2, sensor signal is nursed one's health to the signal acquisition module 3 gathered, the signal processing module 4 that the signal gathered is processed, supply module 5, communication module 6, human-computer interaction module 7, oil gas running gear 1 is connected with sensor assembly 2, sensor assembly 2 is connected with signal acquisition module 3, signal acquisition module 3 is connected with signal processing module 4, signal processing module 4 is connected with human-computer interaction module 7 by communication module 6.Signal acquisition module 3 comprises preposition amplification submodule 31, program control amplification submodule 32 and analog to digital conversion submodule 33, sensor die, and 2 comprise Temperature Humidity Sensor 21 and pressure transducer 22.In the present embodiment, at first by after syringe, carriage and the formation testing of pallet collecting part, putting into oil gas running gear 1, oil gas running gear 1 be connected, sensor assembly 2 is by the signal parameter humiture of oil gas running gear, system pressure passes on signal acquisition module 3, makes the signal parameter of the present embodiment collection reflect the truth of oil gas running gear 1 comprehensively.The oil gas running gear adopts Stainless Steel Shell.The present embodiment adopts the vacuum pressure differential method, and in a certain amount of formation testing input oil gas running gear, under vacuum environment, formation testing discharges institute's dissolved gases.According to the volume of formation testing, deviate from pressure reduction, temperature that gas produces, calculate the air content of formation testing, with the number percent that accounts for oil volume under standard state, mean.Content by sampling, precision measurement reflection gases dissolved in insulation oil, can meet the mensuration requirement of total air content in the various oil-filled electric equipment insulating oils such as high pressure, UHV (ultra-high voltage), extra-high voltage, and sensing range is wide.Guarantee the quality of equipment in producing, install and overhauling, realize the safe operation of system.
The present embodiment adopts the vacuum pressure differential method, and test speed is fast, high efficiency.Each proper testing only needs a few minutes, faster than chromatography and other method, without assist gas.Be adapted at electrical equipment manufacturer and electric system testing laboratory and carry out total air content test in the batch insulating oil.Test result is accurate simultaneously, and the repeatability of test result and accuracy all are better than DL standard permissible value.Tester adopts automatic accurate quantification sample introduction, and the sample size error is minimum; Use high precision absolute pressure measuring technique, adopt the dynamic differential pressure measuring method, differential pressure measurement is accurate; System has higher vacuum tightness, and the vacuum degasser design is unique, can make formation testing fully degassed fast at normal temperatures, and effectively prevent the gas back dissolving; Temperature survey is accurate.
The structural representation that Fig. 2 is oil gas running gear 1 in the utility model insulating oil air content tester embodiment, as shown in Figure 2, comprise vacuum pump, oil feeding system, detection system, pressure unit and oil draining system.Because the vacuum environment of oil gas running gear 1 adopts Stainless Steel Shell, easy to carry, cracky not, the volume of instrument is little, can be applicable to installation of electrical equipment and use at the scene while overhauling.
The present embodiment is simple to operate, and after passing into formation testing, follow procedure test automatically, directly show and saving result; Intelligent degree is high, has oil circuit Quick self-cleaning and System self-test function; Few by oil mass.The each test with oil<40mL (containing rinsing oil mass), used the oil sample that a 100mL syringe is adopted back can complete reperformance test or sundry item test, reduced the workload of each links such as sampling, cleaning syringe; Safeguard and verification convenient, can adopt the digital display mode to show in real time the force value of each link, ocular and clear.
Therefore, the utility model adopts the insulating oil air content tester of said structure, can meet the mensuration requirement of sum total tolerance in the various oil-filled electric equipment insulating oils such as high pressure, UHV (ultra-high voltage), extra-high voltage, guarantee wider sensing range, improve measuring speed and precision, save and use oil mass, operation, maintenance and verification are simple and convenient.
Finally it should be noted that: above embodiment is only in order to the technical solution of the utility model to be described but not be limited, although with reference to preferred embodiment, the utility model is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be modified or be equal to replacement the technical solution of the utility model, and these modifications or be equal to replacement and also can not make amended technical scheme break away from the spirit and scope of technical solutions of the utility model.
Claims (4)
1. an insulating oil air content tester, it is characterized in that: comprise oil gas running gear, sensor assembly, sensor signal is nursed one's health to the signal acquisition module gathered, signal processing module, supply module that the signal gathered is processed, communication module, human-computer interaction module, described oil gas running gear is connected with described sensor assembly, described sensor assembly is connected with described signal acquisition module, described signal acquisition module is connected with described signal processing module, and described signal processing module is connected with described human-computer interaction module by communication module.
2. insulating oil air content tester according to claim 1, it is characterized in that: described signal acquisition module comprises preposition amplification submodule, program control amplification submodule and analog to digital conversion submodule.
3. insulating oil air content tester according to claim 2, it is characterized in that: described sensor assembly comprises Temperature Humidity Sensor and pressure transducer.
4. insulating oil air content tester according to claim 3, is characterized in that: described oil gas running gear employing Stainless Steel Shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320357400 CN203350248U (en) | 2013-06-21 | 2013-06-21 | Tester for gas content of insulation oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320357400 CN203350248U (en) | 2013-06-21 | 2013-06-21 | Tester for gas content of insulation oil |
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| Publication Number | Publication Date |
|---|---|
| CN203350248U true CN203350248U (en) | 2013-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320357400 Expired - Fee Related CN203350248U (en) | 2013-06-21 | 2013-06-21 | Tester for gas content of insulation oil |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104407122A (en) * | 2014-12-18 | 2015-03-11 | 国家电网公司 | Online parameter measurement system for transformer insulation oil |
| CN104792972A (en) * | 2015-04-26 | 2015-07-22 | 浙江大学 | Portable device for testing air content of hydraulic system |
| CN112461706A (en) * | 2020-11-13 | 2021-03-09 | 广西电网有限责任公司电力科学研究院 | Insulating oil gas content tester calibration device applied to vacuum differential pressure method principle |
| CN113552017A (en) * | 2021-08-31 | 2021-10-26 | 广东电网有限责任公司 | Device and method for measuring gas content in oil |
-
2013
- 2013-06-21 CN CN 201320357400 patent/CN203350248U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104407122A (en) * | 2014-12-18 | 2015-03-11 | 国家电网公司 | Online parameter measurement system for transformer insulation oil |
| CN104407122B (en) * | 2014-12-18 | 2016-04-06 | 国家电网公司 | Transformer insulation oil on-line parameter measuring system |
| CN104792972A (en) * | 2015-04-26 | 2015-07-22 | 浙江大学 | Portable device for testing air content of hydraulic system |
| CN112461706A (en) * | 2020-11-13 | 2021-03-09 | 广西电网有限责任公司电力科学研究院 | Insulating oil gas content tester calibration device applied to vacuum differential pressure method principle |
| CN112461706B (en) * | 2020-11-13 | 2023-06-02 | 广西电网有限责任公司电力科学研究院 | Insulating oil gas content tester calibration device applied to vacuum differential pressure principle |
| CN113552017A (en) * | 2021-08-31 | 2021-10-26 | 广东电网有限责任公司 | Device and method for measuring gas content in oil |
| CN113552017B (en) * | 2021-08-31 | 2023-06-27 | 广东电网有限责任公司 | Device and method for measuring gas content in oil |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BAODING TIANTENG ELECTRICAL CO., LTD. Free format text: FORMER OWNER: BAODING HUASHENG INTELLIGENT TECHNOLOGY DEVELOPMENT CO., LTD. Effective date: 20140928 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140928 Address after: 071000 No. 86, Spruce Road, Hebei, Baoding Patentee after: Baoding Tianteng Electric Co., Ltd. Address before: The beautiful city of Baoding province Hebei 071000 Street No. 658 Patentee before: Baoding Huasheng Intelligent Technology Development Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131218 Termination date: 20160621 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |