CN105097205B - A kind of anti-freezing apparatus and method of the hygroscopic agent of oil-filled transformer - Google Patents
A kind of anti-freezing apparatus and method of the hygroscopic agent of oil-filled transformer Download PDFInfo
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- CN105097205B CN105097205B CN201510568831.3A CN201510568831A CN105097205B CN 105097205 B CN105097205 B CN 105097205B CN 201510568831 A CN201510568831 A CN 201510568831A CN 105097205 B CN105097205 B CN 105097205B
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Abstract
The present invention relates to oil-filled transformer technical field, a kind of anti-freezing device of the hygroscopic agent of oil-filled transformer, including dehydrating breather are more particularly related to（9）, the dehydrating breather is built with hygroscopic agent（91）, it is characterised in that：Also include immersed tube（1）, transformer oil（11）, thermal conductive wire（5）, two beam heat conduction tow（51）；The heat conduction tow（51）It is respectively welded at thermal conductive wire（5）Two ends, the transformer oil（2）Mounted in immersed tube（1）It is interior, positioned at thermal conductive wire（5）The heat conduction tow of one end（51）It is immersed in transformer oil（11）In, positioned at thermal conductive wire（5）The heat conduction tow of the other end（51）It is dispersed in dehydrating breather（9）Hygroscopic agent（91）In；The thermal conductive wire（5）Two ends respectively with immersed tube（1）And dehydrating breather（9）It is tightly connected.The anti-freezing apparatus and method of hygroscopic agent for the oil-filled transformer that the present invention is provided, easy to operate, reliability is high, efficiency high and the characteristics of need not additionally energize, and has a good application prospect.
Description
Technical field
The present invention relates to oil-filled transformer technical field, more particularly relate to a kind of hygroscopic agent of oil-filled transformer and prevent
Freeze apparatus and method.
Background technology
Dehydrating breather is also known as respirator, and main function is conservator air in the oil-filled equipment for absorb into oil-filled transformer etc.
In moisture, impurity, play very important filtration, slow down the degradation speed of transformer oil.Dehydrating breather it is general by lubricating cup,
This four part of hygroscopic agent cup, joint for respiratory device, seal gasket is constituted.
Dehydrating breather is arranged on conservator and the pipe end of air communication.When transformer temperature is raised, the oily meeting in fuel tank
Accordingly expand, therefore the oil level in conservator also can be raised accordingly, the air in installation for transformer is compressed, pressure increase, in order to
The partial air in the pressure balance in transformer, conservator is maintained to be discharged into air by moisture absorber of transformer, at this moment dehydrating breather
Catchment cup in will appear from bubble, it is very violent sometimes.The process of air flow：Conservator → dehydrating breather union → cloche（Inhale
Humectant）→ glass infuser → sheet for oil seal → catchment cup → stomata → air.When transformer temperature declines, the oil in fuel tank can be corresponding
Shrink, therefore the oil level in conservator also can accordingly decline, oily volume reduces, and air is by dilatation in installation for transformer, and pressure subtracts
It is small, in order to maintain the pressure in the pressure balance in transformer, conservator to be balanced by dehydrating breather suction air, at this moment moisture absorption
Bubble is will appear from the glass infuser of device, sometimes also can be very violent.The process of air flow：Air → stomata → catchment cup → oil sealing
Piece → glass infuser → cloche（Hygroscopic agent）→ dehydrating breather union → conservator.
The moisture that hygroscopic agent is also absorbed in air in itself while filtering becomes pale red（It is referred to as below
" discoloration "）, so it must be changed after hygroscopic agent discoloration, to ensure the good filtering moisture pick-up properties of hygroscopic agent, so that
Ensure the insulating properties of transformer oil.By regulation when hygroscopic agent becomes colo(u)r specification and exceedes the 2/3 of hygroscopic agent cup volume, it is necessary to by it more
Change.However, there are problems that in the prior art as follows：When hygroscopic agent change colo(u)r specification 2/3 not less than hygroscopic agent cup volume, once
The following environment of zero centigrade is operated in, the hygroscopic agent of deliquescence easily freezes, hinders eupnea.It can not such as solve in time,
Because of transformer lasts work or environment temperature rise, when thawing, tank pressure will be mutated, and occur gas relay malfunction.
The content of the invention
The present invention is to overcome at least one defect described in above-mentioned prior art（It is not enough）There is provided a kind of oil-filled transformer
The anti-freezing apparatus and method of hygroscopic agent.
It is contemplated that at least solving above-mentioned technical problem to a certain extent.
The primary and foremost purpose of the present invention is to provide a kind of anti-freezing device of the hygroscopic agent of oil-filled transformer.
The further object of the present invention is to provide a kind of anti-freezing method of the hygroscopic agent of oil-filled transformer.
In order to solve the above technical problems, technical scheme is as follows：
A kind of anti-freezing device of the hygroscopic agent of oil-filled transformer, including dehydrating breather, the dehydrating breather built with hygroscopic agent,
Also include immersed tube, transformer oil, thermal conductive wire, two beam heat conduction tow；The heat conduction tow is respectively welded at the two ends of thermal conductive wire,
The transformer oil is in immersed tube, and the heat conduction tow positioned at thermal conductive wire one end is immersed in transformer oil, another positioned at thermal conductive wire
Heat conductive filament's beam at end is dispersed in the hygroscopic agent of dehydrating breather；The two ends of the thermal conductive wire connect with immersed tube and dehydrating breather sealing respectively
Connect.
Compared with prior art, the beneficial effect of technical solution of the present invention is：
In use, transformer body is produced for the anti-freezing device of hygroscopic agent for the oil-filled transformer that the present invention is provided
Heat amount, is transferred in fuel tank transformer oil → heat conduction tow → in transformer oil → immersed tube → immersed tube and led successively by heat transfer
Hot line → heat conduction tow → hygroscopic agent, so that the temperature for improving hygroscopic agent avoids it from freezing.It has easy to operate, reliability
High, efficiency high and the characteristics of need not additionally energize, has a good application prospect.
Further, it is connected for ease of dehydrating breather with pipeline, in addition to a dehydrating breather transit joint, the dehydrating breather mistake
Joint is crossed in the opening of dehydrating breather, the dehydrating breather transit joint is provided with cable-through hole, and one end of the thermal conductive wire is worn
Enter in cable-through hole and be tightly connected with cable-through hole by seal head.
Further, for ease of sealing, the opening of the immersed tube is provided with sealed joint pipe, and one end of the thermal conductive wire is worn
Enter in sealed joint pipe and be tightly connected in sealed joint pipe by seal head.
Further, heat loss is avoided to improve heat conduction efficiency, the thermal conductive wire is coated with insulated sheath.
Further, for ease of sealing, the two ends of the dehydrating breather transit joint are equipped with flange, wherein one end and moisture absorption
The opening of device is connected by flange seal, and the other end is connected with union flange seal.
Further, as optimal technical scheme, the thermal conductive wire is the copper conductor of 15~30 square millimeters of sectional area；Institute
Heat conduction tow is stated for copper wire bundle, the diameter of single copper wire is between 0.2~0.5 millimeter；The thermal conductive wire is welded with heat conduction tow
Connection.
Further, as optimal technical scheme, the immersed tube caliber between 25 ~ 50mm, immersed tube depth 70 ~
Between 100mm.
Further, the present invention also provides a kind of anti-freezing method of the hygroscopic agent of oil-filled transformer, in oil tank of transformer
An immersed tube is welded below top cover and transformer oil is filled in immersed tube, one end of thermal conductive wire is connected with transformer oil, heat conduction
The hygroscopic agent of the other end of line and dehydrating breather is connected, by thermal conductive wire by the temperature conduction of transformer oil into hygroscopic agent, make suction
The temperature of humectant is maintained at more than zero centigrade, in case it freezes.
Compared with prior art, the beneficial effect of technical solution of the present invention is：
The anti-freezing method of hygroscopic agent for the oil-filled transformer that the present invention is provided, produces heat by transformer body, passes through
Heat transfer is transferred in fuel tank transformer oil → thermal conductive wire → hygroscopic agent in transformer oil → immersed tube → immersed tube successively, so as to improve
The temperature of hygroscopic agent avoids it from freezing.It has high easy to operate, reliability, efficiency high and the spy that need not additionally energize
Point, has a good application prospect.
Further, this method comprises the following steps in detail：
A, brill immersed tube hole, 25 ~ 50mm of aperture on fuel tank top cover；
B, weld immersed tube in immersed tube hole, the deep 70 ~ 100mm of immersed tube；
C, processing thermal conductive wire, choose the copper conductor of 15 ~ 30 square millimeters of a sectional area as thermal conductive wire, in thermal conductive wire two
Copper wire bundle of the end single diameter of welding between 0.2-0.5mm is used as heat conduction tow；
Cable-through hole is opened up on d, processing dehydrating breather transit joint, transit joint；
E, to thermal conductive wire be set with insulated sheath；
F, by thermal conductive wire one end be arranged on immersed tube in；
G, in immersed tube full of transformer oil and sealing；
H, by the other end of thermal conductive wire through dehydrating breather transit joint cable-through hole be arranged on dehydrating breather in, by heat conductive filament
Beam is dispersed in hygroscopic agent；
Cable-through hole on i, sealing dehydrating breather transit joint.
Brief description of the drawings
Fig. 1 is the structural representation of oil-filled transformer.
Fig. 2 is the structural representation of the anti-freezing device of hygroscopic agent of oil-filled transformer.
Fig. 3 is the structural representation of immersed tube.
Fig. 4 is the structural representation of dehydrating breather transit joint.
Accompanying drawing being given for example only property explanation, it is impossible to be interpreted as the limitation to this patent；It is attached in order to more preferably illustrate the present embodiment
Scheme some parts to have omission, zoom in or out, do not represent the size of actual product；To those skilled in the art,
Some known features and its explanation may be omitted and will be understood by accompanying drawing；Same or analogous label correspondence is same or similar
Part；Term the being given for example only property explanation of position relationship described in accompanying drawing, it is impossible to be interpreted as the limitation to this patent.
Embodiment
Technical scheme is described further with reference to the accompanying drawings and examples.
Embodiment 1
A kind of anti-freezing device of the hygroscopic agent of oil-filled transformer, including dehydrating breather 9, the dehydrating breather is built with hygroscopic agent
91st, immersed tube 1, transformer oil 11, thermal conductive wire 5, two beam heat conduction tow 51 and dehydrating breather transit joint 7；The thermal conductive wire 5 is section
The copper conductor of 30 square millimeters of product；The heat conduction tow 51 is copper wire bundle, a diameter of 0.3 millimeter of single copper wire；The heat conduction
Tow 51 is welded to connect positioned at the two ends of thermal conductive wire 5 and with thermal conductive wire 5 respectively；The caliber of immersed tube 1 is 30mm, and immersed tube depth is
100mm；The transformer oil 2 is in immersed tube 1；Heat conduction tow 51 positioned at the one end of thermal conductive wire 5 is immersed in transformer oil 11, position
It is dispersed in the heat conduction tow 51 of the other end of thermal conductive wire 5 in the hygroscopic agent 91 of dehydrating breather 9；The dehydrating breather transit joint 7 is installed
In the opening of dehydrating breather 9, the dehydrating breather transit joint 7 is provided with cable-through hole 73, and one end of the thermal conductive wire 5 penetrated line
It is tightly connected in hole 73 and with cable-through hole 73 by seal head 4；The opening of the immersed tube 1 is provided with sealed joint pipe 3, described to lead
One end of hot line 5 penetrates in sealed joint pipe 3 and is tightly connected with sealed joint pipe 3 by seal head 4；Outside the thermal conductive wire 5
It is coated with insulated sheath 6；The two ends of the dehydrating breather transit joint 7 are equipped with flange, and wherein one end and the opening of dehydrating breather 9 leads to
Flange seal connection is crossed, the other end is tightly connected with union flange 10.
Application method, when in use, is fixed on the lower section of fuel tank top cover 8 by immersed tube 1 and immerses in the transformer oil in fuel tank,
The heat that transformer body is produced, is transferred in fuel tank transformer in transformer oil → immersed tube → immersed tube successively by heat transfer
Oil → heat conduction tow → thermal conductive wire → heat conduction tow → hygroscopic agent, so that the temperature for improving hygroscopic agent avoids it from freezing.
Embodiment 2
A kind of anti-freezing method of the hygroscopic agent of oil-filled transformer, welds an immersed tube 1 below oil tank of transformer top cover 8
And transformer oil 11 is filled in immersed tube, one end of thermal conductive wire 5 is immersed in transformer oil 11, the other end of thermal conductive wire 5 is dissipated
Cloth in the hygroscopic agent 91 of dehydrating breather 9, by thermal conductive wire 5 by the temperature conduction of depressor oil 11 into hygroscopic agent 91, make hygroscopic agent
91 temperature is maintained at more than zero centigrade, in case it freezes.
Specifically include step in detailed below：
A, brill immersed tube hole, aperture 40mm on fuel tank top cover 8；
B, welding immersed tube 1, immersed tube depth 80mm in immersed tube hole；
C, processing thermal conductive wire 5, choose the copper conductor of 23 square millimeters of a sectional area as thermal conductive wire 5, in 5 liang of thermal conductive wire
The single a diameter of 0.3mm of end welding copper wire bundle is used as heat conduction tow 51；
Cable-through hole 73 is opened up on d, processing dehydrating breather transit joint 7, transit joint；
E, to thermal conductive wire 5 be set with insulated sheath 6；
F, by the one end of thermal conductive wire 5 be arranged on immersed tube 1 in；
G, full of transformer oil 11 and seal in the immersed tube 1.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not pair
The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Any modifications, equivalent substitutions and improvements made within the spirit and principle of invention etc., should be included in the claims in the present invention
Protection domain within.
Claims (9)
1. a kind of anti-freezing device of the hygroscopic agent of oil-filled transformer, including dehydrating breather（9）, the dehydrating breather is built with hygroscopic agent
（91）, it is characterised in that：Also include immersed tube（1）, transformer oil（11）, thermal conductive wire（5）, two beam heat conduction tow（51）；It is described
Heat conduction tow（51）It is respectively welded at thermal conductive wire（5）Two ends, the transformer oil（2）Mounted in immersed tube（1）It is interior, positioned at thermal conductive wire
（5）The heat conduction tow of one end（51）It is immersed in transformer oil（11）In, positioned at thermal conductive wire（5）The heat conduction tow of the other end（51）Spread
In dehydrating breather（9）Hygroscopic agent（91）In；The thermal conductive wire（5）Two ends respectively with immersed tube（1）And dehydrating breather（9）Sealing connects
Connect.
2. the anti-freezing device of the hygroscopic agent of oil-filled transformer according to claim 1, it is characterised in that：Also include one
Dehydrating breather transit joint（7）, the dehydrating breather transit joint（7）Installed in dehydrating breather（9）Opening on, the dehydrating breather transition
Joint（7）It is provided with cable-through hole（73）, the thermal conductive wire（5）One end penetrate cable-through hole（73）In and and cable-through hole（73）Pass through
Seal head（4）It is tightly connected.
3. the anti-freezing device of the hygroscopic agent of oil-filled transformer according to claim 1, it is characterised in that：The immersed tube
（1）Opening be provided with sealed joint pipe（3）, the thermal conductive wire（5）One end penetrate sealed joint pipe（3）In and with sealing connect
Adapter（3）Pass through seal head（4）It is tightly connected.
4. the anti-freezing device of the hygroscopic agent of oil-filled transformer according to claim 1, it is characterised in that：The thermal conductive wire
（5）It is coated with insulated sheath（6）.
5. the anti-freezing device of the hygroscopic agent of oil-filled transformer according to claim 2, it is characterised in that：The dehydrating breather
Transit joint（7）Two ends be equipped with flange, wherein one end and dehydrating breather（9）Opening connected by flange seal, the other end
With union flange（10）It is tightly connected.
6. the anti-freezing device of the hygroscopic agent of oil-filled transformer according to claim 1, it is characterised in that：The thermal conductive wire
（5）For 15~30 square millimeters of copper conductor of sectional area；The heat conduction tow（51）For copper wire bundle, the diameter of single copper wire exists
Between 0.2~0.5 millimeter.
7. the anti-freezing device of the hygroscopic agent of oil-filled transformer according to claim 1, it is characterised in that：The immersed tube
（1）Caliber is between 25 ~ 50mm, and immersed tube depth is between 70 ~ 100mm.
8. a kind of anti-freezing method of the hygroscopic agent of oil-filled transformer, it is characterised in that：In oil tank of transformer top cover（8）Weld lower section
Connect an immersed tube（1）And transformer oil is filled in immersed tube（11）, by thermal conductive wire（5）One end and transformer oil（11）Connection,
By thermal conductive wire（5）The other end and dehydrating breather（9）Hygroscopic agent（91）Connection, passes through thermal conductive wire（5）By depressor oil（11）Temperature
Degree is conducted to hygroscopic agent（91）In, make hygroscopic agent（91）Temperature be maintained at more than zero centigrade, in order to avoid it freezes.
9. the anti-freezing method of the hygroscopic agent of oil-filled transformer according to claim 8, it is characterised in that：This method is detailed
Comprise the following steps：
A, in fuel tank top cover（8）Upper brill immersed tube hole, 25 ~ 50mm of aperture；
B, in immersed tube hole weld immersed tube（1）, the deep 70 ~ 100mm of immersed tube；
C, processing thermal conductive wire（5）, choose 15 ~ 30 square millimeters of a sectional area copper conductor be used as thermal conductive wire（5）, in thermal conductive wire
（5）Weld copper wire bundle of the single diameter between 0.2-0.5mm and be used as heat conduction tow in two ends（51）；
D, processing dehydrating breather transit joint（7）, cable-through hole is opened up on transit joint（73）；
E, to thermal conductive wire（5）It is set with insulated sheath（6）；
F, by thermal conductive wire（5）One end is arranged on immersed tube（1）In；
G, in immersed tube（1）It is interior to be full of transformer oil（11）And seal;
H, by thermal conductive wire（5）The other end pass through dehydrating breather transit joint（7）Cable-through hole（73）Installed in dehydrating breather（9）In,
By heat conduction tow（51）It is dispersed in hygroscopic agent（91）In；
I, sealing dehydrating breather transit joint（7）On cable-through hole（73）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510568831.3A CN105097205B (en) | 2015-09-09 | 2015-09-09 | A kind of anti-freezing apparatus and method of the hygroscopic agent of oil-filled transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510568831.3A CN105097205B (en) | 2015-09-09 | 2015-09-09 | A kind of anti-freezing apparatus and method of the hygroscopic agent of oil-filled transformer |
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| Publication Number | Publication Date |
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| CN105097205A CN105097205A (en) | 2015-11-25 |
| CN105097205B true CN105097205B (en) | 2017-08-29 |
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| CN201510568831.3A Active CN105097205B (en) | 2015-09-09 | 2015-09-09 | A kind of anti-freezing apparatus and method of the hygroscopic agent of oil-filled transformer |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106653293A (en) * | 2016-12-07 | 2017-05-10 | 广东电网有限责任公司东莞供电局 | Two oil levels perspective type owner become breather oil cup device |
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| CN2525448Y (en) * | 2002-02-01 | 2002-12-11 | 张岩 | Horizontal type cold and hot two purpose refrigerator |
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| CN203538722U (en) * | 2013-10-23 | 2014-04-16 | 林阿成 | Electric heating table |
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| US2083732A (en) * | 1932-11-22 | 1937-06-15 | Pittsburgh Res Corp | Adsorbent apparatus |
| GB2102211B (en) * | 1981-07-08 | 1984-09-26 | English Electric Co Ltd | Electrical transformer or reactor |
| EP1313112B1 (en) * | 2001-11-13 | 2004-03-17 | Messko Albert Hauser GmbH & Co. KG | Air dehumidifier for oil insulated transformers, choke coils as well as tap changers |
| CN102737817B (en) * | 2012-07-20 | 2015-05-13 | 国家电网公司 | Breathing drying device of intelligent transformer |
| CN103093930A (en) * | 2013-01-31 | 2013-05-08 | 大连世有电力科技有限公司 | Intelligent moisture absorber for transformer |
| CN204991366U (en) * | 2015-09-09 | 2016-01-20 | 明珠电气有限公司 | Device that freezes is prevented to oil -immersed transformer's hygroscopic agent |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1072528A (en) * | 1965-04-07 | 1967-06-21 | Dryvent Ltd | Improvements in or relating to air drying apparatus |
| CN2525448Y (en) * | 2002-02-01 | 2002-12-11 | 张岩 | Horizontal type cold and hot two purpose refrigerator |
| CN201646479U (en) * | 2010-01-26 | 2010-11-24 | 贾云锋 | Warm bus |
| CN202521929U (en) * | 2012-05-03 | 2012-11-07 | 帕尔哈特·亚森 | Freeze protection device for outdoor pipeline of solar water heater |
| CN203538722U (en) * | 2013-10-23 | 2014-04-16 | 林阿成 | Electric heating table |
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| CN105097205A (en) | 2015-11-25 |
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Address after: 511400, No. 118 East Ring Road, Shiqiao Town, Guangzhou City, Guangdong, Panyu District Applicant after: Pearl Electric Limited by Share Ltd Address before: 511400, No. 118 East Ring Road, Shiqiao Town, Guangzhou City, Guangdong, Panyu District Applicant before: Pearl Electric Co., Ltd. |
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