CN205333299U - Ageing aging device of rubber seal in simulation transformer environment - Google Patents

Ageing aging device of rubber seal in simulation transformer environment Download PDF

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Publication number
CN205333299U
CN205333299U CN201521110001.8U CN201521110001U CN205333299U CN 205333299 U CN205333299 U CN 205333299U CN 201521110001 U CN201521110001 U CN 201521110001U CN 205333299 U CN205333299 U CN 205333299U
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China
Prior art keywords
rubber seal
lower plate
flange
aging
temperature
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CN201521110001.8U
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Chinese (zh)
Inventor
钱艺华
龚淑玲
赵耀洪
聂明浩
张丽
范圣平
付强
刘世念
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Wuhan University WHU
Electric Power Research Institute of Guangdong Power Grid Co Ltd
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Wuhan University WHU
Electric Power Research Institute of Guangdong Power Grid Co Ltd
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Abstract

The utility model discloses an ageing aging device of rubber seal in simulation transformer environment, including reactor, heater block and the temperature -controlled instrument of placing rubber seal and transformer oil, the heater block is located reactor and is connected with the temperature -controlled instrument, the reactor includes punch holder, lower plate and lies in the barrel between the lower plate, the connection can be dismantled to punch holder, lower plate and barrel, set up oil filler point and control by temperature change probe cartridge hole in the corresponding barrel open -ended region of punch holder, the barrel constitutes by the several flange is range upon range of, and every flange is close to the inner ring edge regionally is used for inlaying dress rubber seal's holding recess along the setting of inner ring circumference, the position that the holding recess of lower plate and flange corresponds sets up the holding recess equally, during the use rubber seal inlays the dress in each holding recess, and installation device makes whole device be in encapsulated situation and rubber seal is in compression state, pours into transformer oil into and can simulate the sealing washer at transformer operational environment.

Description

The aging equipment that in analogue transformer environment, rubber seal is aging
Technical field
This utility model relates to a kind of ageing of rubber experimental provision, is specifically related to the aging equipment that in a kind of analogue transformer environment, rubber seal is aging。
Background technology
The ageing research of rubber packing material is usually and carries out indoor accelerated aging test, thus the service life of the material products such as prediction quickly and easily and assessment rubber or storage period。For a long time, although Ageing Diagnosis and the biometry of elastomeric material have been carried out much research by people, but it is that for rubber packing material under running conditions, particularly the ageing research of the rubber packing material in power equipment is just considerably less for the life search under storage or traffic condition mostly;Simultaneously as power equipment rubber packing material is subject to the combined influence of multiple factors such as light, oxygen, ozone, chemical mediator, electricity, magnetic field in its use procedure, more than the complicated condition of storage transport, cause that biometry is unreliable。Therefore, the ageing test apparatus designing a kind of energy multiple factors of analogue transformer environment simultaneously is very necessary。
Traditional simulation aging equipment is usually use microminiature sealer and rubber seal is clipped in the inside, be then immersed in transformer oil putting in the ageing oven of preheating uniform temperature or be directly placed into the ageing oven of preheating uniform temperature carries out aging。Although this method simulates the working environment of sealing ring in transformator to a certain extent, being used for the life-span also can carry out a degree of prediction, but also have ignored sunlight, the impact on sealing ring of the factors such as magnetic field。
Utility model content
This utility model purpose is in that to provide the aging equipment that in a kind of analogue transformer environment, rubber seal is aging, this aging equipment can light in analogue transformer environment, oxygen, ozone, multiple factors such as chemical mediator, electrically and magnetically field, making experiment condition use environmental condition closer to rubber seal in transformator, test result is more accurate。
The purpose of this utility model is achieved through the following technical solutions: the aging equipment that in a kind of analogue transformer environment, rubber seal is aging, including the reactor placing rubber seal and transformer oil, heater block and temperature control instrument, described heater block is positioned at reactor and is connected with outside temperature control instrument, to control the oil temperature in reactor, described reactor includes train wheel bridge, lower plate, and the cylinder between upper lower plate, described train wheel bridge, lower plate and cylinder removably connect, in the region of described train wheel bridge correspondence cartridge openings, oil filler point and temperature probe plug-in opening are set, the cavity of described cylinder is as transformer oil cavity volume, described cylinder is made up of several flange stackings, each flange near the region of inner annular edge along the internal ring containing groove for being embedded in rubber seal disposed circumferentially around, position that described lower plate is corresponding with the containing groove of flange is same arranges containing groove, during use, described rubber seal is inlaid in each containing groove, then erecting device make whole device be in sealing state and rubber seal is in compressive state, injection transformer oil can simulate sealing ring working environment in transformator。
Each flange and the lower plate of reactor described in the utility model composition cylinder are respectively provided with containing groove, rubber seal is inlaid in containing groove, then assembling reactor and device again, after assembling, whole device is in sealing state and rubber seal is in compressive state。Owing between flange, there is gap between flange and upper lower plate, rubber seal oil that is internal and that penetrate into gap in reactor contacts, outside then with the air contact in gap, thus simulating interior contact transformer oil when rubber seal works in transformator, external contact air, it is subject to the situation of certain static compression so that senile experiment is closer to practical situation, and test result is more accurate simultaneously。
Ratio between depth of groove and the rubber seal wire diameter of flange described in the utility model is 3:4, it is ensured that after device installation, rubber seal keeps the compression ratio of 25%。
This utility model also includes temperature probe, and this temperature probe is inserted in temperature probe plug-in opening and its head extends bottom transformer oil cavity volume, and temperature probe is connected with temperature control instrument, controls heater block by temperature control instrument and reaches to control the purpose of system temperature。
Heater block described in the utility model is heating coil, and its link extend out to outside through train wheel bridge and is connected with temperature control instrument, is used for regulating transformation oil temperature at 20-120 DEG C。
Train wheel bridge described in this utility model, each flange and lower plate are all correspondingly arranged several bolt hole, train wheel bridge, each flange and lower plate are fixedly mounted by bolt and nut。
Flange described in the utility model is annular flange。
Flange described in the utility model and upper lower plate material are rustless steel, and thickness, at more than 10mm, can be in close contact with sample, have again enough rigidity simultaneously, not flexible during pressurized。
This utility model has the advantage that
(1) this utility model can simulate interior contact transformer oil when rubber seal works in transformator, external contact air, it is subject to the situation of certain static compression simultaneously, build and use environment close to rubber seal in transformator, and temperature is from inside to outside, closer to actual motion condition, both contributed to rubber seal in research transformator and, at the Changing Pattern of ageing process, the accuracy of rubber seal life forecast in transformator can have been improved again。
(2) this utility model can be put in xenon lamp or ultraviolet ageing case, and analogue transformer is exposed to the operative scenario in sunlight。
Accompanying drawing explanation
Fig. 1 is the sectional view of aging equipment of the present utility model;
Fig. 2 is the top view of aging equipment of the present utility model;
Fig. 3 is the top view (not installing clamping plate) of aging equipment of the present utility model;
Fig. 4 is the top view (not installing clamping plate) after aging equipment of the present utility model setting-in rubber seal。
1-bolt and nut, 2-containing groove, 3 train wheel bridges, 4-annular flange, 5-heats coil, 6-temperature probe, 7-lower plate, 8-oil filler point, 9-temperature control instrument, 10-rubber seal, 11-temperature probe plug-in opening, 12-bolt hole, and 13-heats coil plug-in opening。
Detailed description of the invention
The aging equipment that in analogue transformer environment shown in Fig. 1-2, rubber seal is aging is an embodiment of the present utility model, is made up of placement rubber seal 10 and the reactor of transformer oil, heater block 5, temperature probe 6 and temperature control instrument 9。Reactor is made up of train wheel bridge 3, lower plate 7 and the cylinder between upper lower plate。Oil filler point 8, temperature probe plug-in opening 11 and heating coil plug-in opening 13 are set in the region of the corresponding cartridge openings of train wheel bridge 3。Cylinder is made up of the stacking of several annular flange 4, the cavity of cylinder as transformer oil cavity volume, each annular flange 4 near the region of inner annular edge along the internal ring containing groove 2 for being embedded in rubber seal disposed circumferentially around。Position that lower plate 7 is corresponding with the containing groove of flange 4 is same arranges containing groove 2。Ratio between containing groove 2 degree of depth and rubber seal 10 wire diameter is 3:4, it is ensured that after device installation, rubber seal 10 keeps the compression ratio of 25%。
Temperature probe 6 is inserted in temperature probe plug-in opening 11 and its head extends bottom transformer oil cavity volume, and temperature probe 6 is connected with temperature control instrument 9, controls heater block 5 by temperature control instrument and reaches to control the purpose of system temperature。Heater block 5 is heating coil, and its electric connecting terminal heats coil plug-in opening 13 through train wheel bridge 3 and extend out to and outside be connected with temperature control instrument, is used for regulating transformation oil temperature at 20-120 DEG C。
Train wheel bridge 3, each annular flange 4 and lower plate 7 are all correspondingly arranged four bolts hole 12, train wheel bridge 3, each annular flange 4 and lower plate 7 are fixedly mounted by four bolt and nuts 1。
Annular flange 4 and upper and lower clamping plate material are rustless steel, and thickness, at more than 10mm, can be in close contact with rubber seal 10 sample, have again enough rigidity simultaneously, not flexible during pressurized。
The aging equipment of the present embodiment can carry out 6 diameters simultaneouslyd A, wire diameter isd BThe senile experiment of rubber seal sample。The containing groove 2 of each annular flange 4 and lower plate 7 is embedded in rubber seal 10。Then lower plate 7, each annular flange 4 and train wheel bridge 3 stack from bottom to top, then pass through the fixing connection of bolt and nut 1。Compressed each layer flange 4 and upper lower plate by fastening nut, keep the compression ratio of rubber seal sample 25%。After assembling, whole device is in sealing state and rubber seal 10 is in compressive state。Owing between flange 4, there is gap between flange 4 and upper lower plate, rubber seal 10 oil that is internal and that penetrate into gap in reactor contacts, outside then with the air contact in gap, thus simulating interior contact transformer oil when rubber seal 10 works in transformator, external contact air, it is subject to the situation of certain static compression so that senile experiment is closer to practical situation, and test result is more accurate simultaneously。

Claims (7)

1. the aging equipment that in an analogue transformer environment, rubber seal is aging, it is characterized in that, including the reactor placing sealing ring and transformer oil, heater block and temperature control instrument, described heater block is positioned at reactor and is connected with outside temperature control instrument, to control the oil temperature in reactor, described reactor includes train wheel bridge, lower plate, and the cylinder between upper lower plate, described train wheel bridge, lower plate and cylinder removably connect, in the region of described train wheel bridge correspondence cartridge openings, oil filler point and temperature probe plug-in opening are set, the cavity of described cylinder is as transformer oil cavity volume, described cylinder is made up of several flange stackings, each flange near the region of inner annular edge along the internal ring containing groove for embedded sealing ring disposed circumferentially around, position that described lower plate is corresponding with the containing groove of flange is same arranges containing groove, during use, described sealing ring is inlaid in each containing groove, then erecting device make whole device be in sealing state and sealing ring is in compressive state, injection transformer oil can simulate sealing ring working environment in transformator。
2. the aging equipment that rubber seal is aging in analogue transformer environment according to claim 1, is characterized in that, the ratio between depth of groove and the sealing ring wire diameter of described flange is 3:4, makes the compression ratio that sealing ring keeps 25%。
3. the aging equipment that in analogue transformer environment according to claim 1 or claim 2, rubber seal is aging, it is characterized in that, also include temperature probe, this temperature probe is inserted in temperature probe plug-in opening and its head extends bottom transformer oil cavity volume, temperature probe is connected with temperature control instrument, controls heater block by temperature control instrument and reaches to control the purpose of system temperature。
4. the aging equipment that rubber seal is aging in analogue transformer environment according to claim 3, it is characterized in that, described heater block is heating coil, and its electric connecting terminal extend out to outside through train wheel bridge and is connected with temperature control instrument, is used for regulating transformation oil temperature at 20-120 DEG C。
5. the aging equipment that rubber seal is aging in analogue transformer environment according to claim 1, it is characterized in that, described train wheel bridge, each flange and lower plate are all correspondingly arranged several bolt hole, train wheel bridge, each flange and lower plate are fixedly mounted by bolt and nut。
6. the aging equipment that rubber seal is aging in analogue transformer environment according to claim 1, is characterized in that, described flange is annular flange。
7. the aging equipment that rubber seal is aging in analogue transformer environment according to claim 1, is characterized in that, described flange and upper lower plate material are rustless steel, and thickness is at more than 10mm。
CN201521110001.8U 2015-12-29 2015-12-29 Ageing aging device of rubber seal in simulation transformer environment Active CN205333299U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201521110001.8U CN205333299U (en) 2015-12-29 2015-12-29 Ageing aging device of rubber seal in simulation transformer environment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201521110001.8U CN205333299U (en) 2015-12-29 2015-12-29 Ageing aging device of rubber seal in simulation transformer environment

Publications (1)

Publication Number Publication Date
CN205333299U true CN205333299U (en) 2016-06-22

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107643170A (en) * 2017-10-18 2018-01-30 南方电网科学研究院有限责任公司 A kind of mouse cage shape sealing ring ageing test apparatus
CN107764725A (en) * 2017-10-27 2018-03-06 国家电网公司 Gas-insulating and fully-enclosed combined electrical apparatus O-ring seal ageing test apparatus
CN108279162A (en) * 2018-01-31 2018-07-13 中国兵器工业第五九研究所 A kind of rubber seal pressure loading device and pressure-loaded test method
CN108375469A (en) * 2018-02-12 2018-08-07 西北工业大学 Rubber seal life predication apparatus and method
CN108426993A (en) * 2018-03-21 2018-08-21 广东电网有限责任公司电力科学研究院 A kind of rubber packing material selection method and system
CN108572069A (en) * 2018-06-26 2018-09-25 中国航空综合技术研究所 Test device and test method for the experiment of sealing ring aging life-span
CN110411739A (en) * 2019-08-12 2019-11-05 成都航利航空科技有限责任公司 A kind of rubber seal oil resistance verifying device and method
CN113176195A (en) * 2021-04-28 2021-07-27 安徽省水利水电工程检测有限公司 Rubber compression permanent deformation sample preparation equipment

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107643170A (en) * 2017-10-18 2018-01-30 南方电网科学研究院有限责任公司 A kind of mouse cage shape sealing ring ageing test apparatus
CN107764725A (en) * 2017-10-27 2018-03-06 国家电网公司 Gas-insulating and fully-enclosed combined electrical apparatus O-ring seal ageing test apparatus
CN108279162A (en) * 2018-01-31 2018-07-13 中国兵器工业第五九研究所 A kind of rubber seal pressure loading device and pressure-loaded test method
CN108375469A (en) * 2018-02-12 2018-08-07 西北工业大学 Rubber seal life predication apparatus and method
CN108426993A (en) * 2018-03-21 2018-08-21 广东电网有限责任公司电力科学研究院 A kind of rubber packing material selection method and system
CN108572069A (en) * 2018-06-26 2018-09-25 中国航空综合技术研究所 Test device and test method for the experiment of sealing ring aging life-span
CN110411739A (en) * 2019-08-12 2019-11-05 成都航利航空科技有限责任公司 A kind of rubber seal oil resistance verifying device and method
CN110411739B (en) * 2019-08-12 2021-01-12 成都航利航空科技有限责任公司 Device and method for verifying oil resistance of rubber sealing ring
CN113176195A (en) * 2021-04-28 2021-07-27 安徽省水利水电工程检测有限公司 Rubber compression permanent deformation sample preparation equipment

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