CN107240483B - Transformer respirator - Google Patents
Transformer respirator Download PDFInfo
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- CN107240483B CN107240483B CN201710642555.XA CN201710642555A CN107240483B CN 107240483 B CN107240483 B CN 107240483B CN 201710642555 A CN201710642555 A CN 201710642555A CN 107240483 B CN107240483 B CN 107240483B
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- respirator
- fixed
- breathing
- sleeve
- transformer
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transformer Cooling (AREA)
Abstract
The invention relates to the technical field of transformer breathing devices, in particular to a transformer breathing device which comprises a flange plate, a breathing device top cover, a connecting rod, a breathing device shell, a transparent bottom cover and an oil cup, wherein the flange plate is integrally connected with the breathing device top cover, a charging hole is formed in the breathing device top cover, a detachable plug is arranged on the charging hole, the breathing device shell is fixedly arranged with the breathing device top cover, a horizontal baffle is arranged at the lower end of the breathing device shell, a sleeve is sleeved on the outer edge of the horizontal baffle, a breathing sleeve is fixedly arranged at the bottom of the horizontal baffle, an interlayer net with a round hole in the middle is wrapped at the bottom of the breathing sleeve, the interlayer net is detachably fixed on the breathing sleeve along the circumference, and the oil cup is fixedly arranged on the inner wall of the lower part of the sleeve. The invention has reasonable and compact structure, and the whole transformer respirator is not required to be disassembled by using the hasp structure, so that the time for replacing silica gel is effectively shortened, the heavy gas protection exit time of the main transformer is reduced, and the safe operation condition of the main transformer is improved.
Description
Technical Field
The invention relates to the technical field of breathing devices of main transformers, in particular to a transformer respirator.
Background
The temperature of the transformer changes with time during operation, resulting in an increase or decrease in the oil level inside the transformer. The oil storage tank is a semi-closed oil storage tank, so that the inside of the transformer can be kept in a normal pressure state due to the rising or lowering of the oil level, and a respirator is additionally arranged on an expiration channel of oil in order to delay the degradation speed of transformer oil and prevent the pollution of air to insulating oil. The breather is also called a silica gel tank, and the transformer breathes through silica gel, and oil in the oil cup of rethread breather bottom filters, ensures the drying of air.
With the promotion of operation and maintenance integration and unmanned transformer substation, the replacement of the color-changing silica gel of the respirator has become an important item in the daily work of operation and maintenance personnel. The main transformer respirator is replaced according to the requirement of the existing main transformer respirator silica gel replacement process flow, about 30-60 minutes is needed, and meanwhile, the condition that a respirator glass barrel is damaged is possibly caused, so that the working efficiency of operation and maintenance personnel and the equipment safety are affected. In this period, the main body gas protection of the transformer is withdrawn according to the specified requirement, and the reliability and the safety of the safe operation of the main transformer are greatly influenced, so that the main transformer respirator silica gel replacement time is shortened, and the main transformer respirator silica gel replacement time has important practical significance.
Disclosure of Invention
The invention provides a transformer respirator, which overcomes the defects of the prior art, and can effectively solve the problems of time and labor waste, lower construction efficiency and potential safety hazard when the existing transformer respirator is inconvenient to disassemble and replace a dry moisture-proof agent.
The technical scheme of the invention is realized by the following measures: the utility model provides a transformer respirator, includes flange board, respirator top cap, connecting rod, respirator casing, transparent bottom cover and the ascending oil cup of opening, flange board and respirator top cap body coupling together, be equipped with mounting hole and breathing through-hole in proper order on the respirator top cap from inside to outside, the respirator top cap passes through mounting hole fixed mounting in the upper portion of connecting rod, is equipped with the charge door on the respirator top cap, be equipped with the detachable end cap that can seal the charge door on the charge door, the top of respirator casing and respirator top cap fixed mounting together, be equipped with horizontal baffle in the lower extreme of respirator casing, be equipped with mounting hole and breathing through-hole in proper order from inside to outside on the horizontal baffle, horizontal baffle passes through the mounting hole to be fixed in the lower part of connecting rod, the cover is equipped with the sleeve that supports on the lower part outer wall of respirator casing on the outer edge, the horizontal baffle bottom of position department is fixed with the breathing sleeve, is wrapped up in the breathing sleeve bottom and is equipped with the interlayer net of round hole in the middle part, the detachable is fixed on the sleeve along circumference, the detachable bottom cover is equipped with the detachable end cap of sealing charge door, the top cover is fixed on the outside and the bottom of respirator cover is fixed with the bottom of the transparent bottom cover, the snap ring is fixed with the snap ring, snap ring fixed with the snap ring is fixed with the snap ring fixed ring is fixed with the fixed ring of the end of outer end of snap ring, the snap ring is fixed with the end is fixed to be fixed with the end of the snap ring in shape and fixed assembly; or, the hasp mechanism comprises a hasp assembly and a circular fixing ring, an opening is formed in the fixing ring, the hasp assembly comprises a hook piece and a hair piece, one end of the opening of the fixing ring is fixedly connected with the hook piece, the other end of the opening of the fixing ring is fixedly connected with the hair piece, and the hook piece and the hair piece are detachably connected together.
The following are further optimizations and/or improvements to the above-described inventive solution:
the upper portion and the lower part of the connecting rod are respectively provided with external threads, the respirator top cover is fixedly arranged on the upper portion of the connecting rod through the locking nut, and the transparent bottom cover is fixedly arranged on the lower portion of the connecting rod through the locking nut.
The inner wall of the lower part of the sleeve is provided with an internal thread, the outer wall of the upper part of the oil cup is provided with an external thread, and the sleeve and the oil cup are fixedly installed together through threaded connection.
The interlayer net is an iron wire gauze net or a gauze net.
The bottom of the horizontal baffle is provided with a circular limiting groove corresponding to the transparent bottom cover, and the upper part of the transparent bottom cover is propped in the limiting groove.
When the transformer breather is replaced, the transformer breather is not required to be detached integrally by using the hasp structure, when new silica gel is replaced, the oil cup, the transparent bottom cover and the interlayer net are sequentially taken down, the wet silica gel falls off from the breathing sleeve due to the action of gravity, then the interlayer net, the transparent bottom cover and the oil cup are sequentially installed, finally dry silica gel is put into the transformer breather through the charging port, the silica gel replacement is completed, the time for replacing the silica gel is simply and conveniently shortened effectively, the working efficiency is improved effectively, the main transformer heavy gas protection exit time is reduced, and the main transformer safe operation condition is improved.
Drawings
FIG. 1 is a schematic diagram of a cross-sectional front view of a preferred embodiment of the present invention.
The codes in the drawings are respectively: 1 is a flange plate, 2 is a respirator top cover, 3 is a respirator shell, 4 is an oil cup, 5 is a feed inlet, 6 is a horizontal baffle, 7 is a breathing sleeve, 8 is a transparent bottom cover, 9 is a connecting rod, 10 is a locking nut, 11 is a sleeve, 12 is a barrier net, 13 is a fixed ring, and 14 is a breathing through hole.
Detailed Description
The present invention is not limited by the following examples, and specific embodiments can be determined according to the technical scheme and practical situations of the present invention.
In the present invention, for convenience of description, the description of the relative positional relationship of each component is described according to the layout manner of fig. 1 of the specification, for example: the positional relationship of the front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.
The invention is further described below with reference to examples and figures:
as shown in fig. 1, this transformer respirator includes flange board 1, respirator top cap 2, connecting rod 9, respirator casing 3, transparent bottom cover 8 and ascending oil cup 4 of opening, flange board 1 and respirator top cap 2 an organic whole link together, be equipped with mounting hole and breathing through-hole 14 on the respirator top cap 2 in proper order from interior to exterior, respirator top cap 2 passes through mounting hole fixed mounting and is equipped with charge door 5 on respirator top cap 2 in the upper portion of connecting rod 9, be equipped with the detachable end cap that can seal charge door 5 on charge door 5, the top and the respirator top cap 2 fixed mounting of respirator casing 3 are in the same place, are equipped with horizontal baffle 6 in the lower extreme of respirator casing 3, from interior to exterior in proper order on horizontal baffle 6 is equipped with mounting hole and breathing through-hole 14, and horizontal baffle 6 is equipped with the sleeve 11 that supports on respirator casing 3 lower part outer wall through the mounting hole, and breathing through-hole 14 on horizontal baffle 6 bottom of corresponding position department is fixed with breathing sleeve 7, is equipped with middle part parcel 12 in breathing sleeve 7 bottom, and is equipped with 12 in the bottom of the bottom cover 7 and is equipped with the bottom cover 8 on the bottom of the transparent bottom cover 8 and the bottom cover 8 is fixed on the bottom of the transparent bottom cover 8, and the bottom cover is fixed on the bottom cover 8 of the top of the connecting rod is fixed.
In actual use, the respirator housing 3 is filled with a desiccant, which may be silica gel or other moisture resistant agent. The respirator shell 3 is a transparent glass cylinder, so that staff can observe and judge the moisture condition of the moistureproof drying agent conveniently. The middle of the top of the respirator top cover 2 is provided with a round through hole, a mounting hole on the horizontal baffle plate 6, the inner diameter of a round hole on the interlayer net 12 and the inner diameter of a round hole on the bottom surface of the transparent bottom cover 8 are matched with the diameter of the connecting rod 9, so that the connecting rod 9 can conveniently penetrate through, and the transparent bottom cover 8 and the horizontal baffle plate 6 are firmly fixed through the connecting rod 9. Here the outer edge of the horizontal baffle 6 forms a boss against the lower part of the respirator housing 3, against which the upper inner wall of the sleeve 11 rests, the lower part of the sleeve 11 being fixedly mounted with the oil cup 4. The plug on the feed inlet 5 can be a rubber plug or a metal plug, and the plug mainly plays a role of sealing the respirator. When the transformer breather is replaced, the transformer breather is not required to be detached integrally by using the hasp structure, when new silica gel is replaced, the oil cup 4, the transparent bottom cover 8 and the interlayer net 12 are sequentially taken down, the silica gel wetted by gravity falls from the breathing sleeve 7 through the breathing through hole 14, the interlayer net 12, the transparent bottom cover 8 and the oil cup 4 are sequentially installed, and finally, dry silica gel is put in through the charging hole 5, so that the replacement of the silica gel is completed, the time for replacing the silica gel is simply and conveniently shortened effectively, the working efficiency is improved effectively, the heavy gas protection exit time of a main transformer is reduced, and the safe running condition of the main transformer is improved.
The transformer respirator can be further optimized or/and improved according to actual needs:
as shown in fig. 1, the breathing sleeve comprises a breathing sleeve 7, a barrier net 12 and a buckle mechanism, wherein the barrier net 12 is circumferentially fixed on the outer side surface of the breathing sleeve 7 through the buckle mechanism, the buckle mechanism comprises a buckle assembly and a circular fixing ring 13, an opening is formed in the fixing ring 13, the buckle assembly comprises a fixing buckle fixedly connected with one end part of the fixing ring 13 and a movable buckle fixedly connected with the other end part of the fixing ring 13, and the movable buckle and the fixing buckle are detachably connected together; or, the hasp mechanism comprises a hasp assembly and a circular fixing ring 13, an opening is formed in the fixing ring 13, the hasp assembly comprises a hook piece and a hair piece, one end of the opening of the fixing ring 13 is fixedly connected with the hook piece, the other end of the opening of the fixing ring 13 is fixedly connected with the hair piece, and the hook piece and the hair piece are detachably connected together. The invention is convenient to disassemble by adopting the connection mode of the hasp assembly, and the quick replacement treatment of the silica gel is realized. Through using hook piece and the matched with hasp structure of piece of fur, can be simply convenient take off the interlayer net, be convenient for replace the silica gel that wets.
As shown in fig. 1, the respirator further comprises a lock nut 10, external threads are arranged on the upper portion and the lower portion of the connecting rod 9, the respirator top cover 2 is fixedly arranged on the upper portion of the connecting rod 9 through the lock nut 10, and the transparent bottom cover 8 is fixedly arranged on the lower portion of the connecting rod 9 through the lock nut 10. Here, through taking down lock nut 10, can be convenient take down transparent bottom cover 8 from connecting rod 9, conveniently change the silica gel that wets.
As shown in fig. 1, an inner thread is arranged on the inner wall of the lower part of the sleeve 11, an outer thread is arranged on the outer wall of the upper part of the oil cup 4, and the sleeve 11 and the oil cup 4 are fixedly installed together through threaded connection.
As shown in fig. 1, the spacer 12 is a wire gauze or gauze. The use of a wire gauze or gauze has the effect of ventilation, and the barrier net 12 has the effect of preventing the liquid in the oil cup 4 from being sucked backwards.
According to the requirement, the bottom of the horizontal baffle 6 is provided with a circular limiting groove corresponding to the transparent bottom cover 8, and the upper part of the transparent bottom cover 8 is propped in the limiting groove. When in installation, the upper part of the transparent bottom cover 8 is propped against the limiting groove, and the transparent bottom cover 8 is fixed with the locking nut 10 through the connecting rod 9, so that the transparent bottom cover 8 and the horizontal baffle 6 are stably installed together. A sealing ring can be arranged between the horizontal baffle 6 and the transparent bottom cover 8 according to the requirement, so as to further seal the respirator.
The technical characteristics form the optimal embodiment of the invention, have stronger adaptability and optimal implementation effect, and can increase or decrease unnecessary technical characteristics according to actual needs so as to meet the requirements of different situations.
Claims (8)
1. The utility model provides a transformer respirator, characterized by includes flange board, respirator top cap, connecting rod, respirator casing, transparent bottom cover and the ascending oil cup of opening, flange board and respirator top cap body coupling together, be equipped with mounting hole and breathing through-hole from inside to outside in proper order on the respirator top cap, the respirator top cap passes through mounting hole fixed mounting in the upper portion of connecting rod, is equipped with the charge door on the respirator top cap, be equipped with the detachable end cap that can seal the charge door on the charge door, the top of respirator casing and respirator top cap fixed mounting together, be equipped with horizontal baffle in the lower extreme of respirator casing, be equipped with mounting hole and breathing through-hole from inside to outside on horizontal baffle in proper order, horizontal baffle passes through the lower part of mounting hole fixed in the connecting rod, the sleeve of supporting on the outer edge of respirator casing lower part is equipped with to the cover on the outer edge of horizontal baffle, the horizontal baffle bottom of position department is fixed with the breathing sleeve, is equipped with the interlayer net of round hole at the breathing sleeve bottom parcel, the interlayer net is along circumference detachable fixed on the breathing sleeve, transparent bottom cover is fixed on the outside of breathing sleeve and bottom cover's fixed mounting is fixed with the hasp mechanism and is fixed with the outer ring of a snap ring fixed ring, the fixed ring is fixed with the fixed ring of outer side of the fixed ring and fixed ring is fixed with the end of the fixed ring is fixed with the outer side of the fixed ring; or alternatively, the first and second heat exchangers may be, the hasp mechanism comprises a hasp assembly and a circular fixing ring, wherein the fixing ring is provided with an opening, the hasp assembly comprises a hook piece and a hair piece, one end of the opening of the fixing ring is fixedly connected with the hook piece, the other end of the opening of the fixing ring is fixedly connected with the hair piece, and the hook piece and the hair piece are detachably connected together.
2. The transformer respirator of claim 1, further comprising a lock nut, wherein the upper and lower portions of the connecting rod are each provided with external threads, the respirator top cover is fixedly mounted on the upper portion of the connecting rod by the lock nut, and the transparent bottom cover is fixedly mounted on the lower portion of the connecting rod by the lock nut.
3. The transformer breather of claim 1 or 2, wherein the lower inner wall of the sleeve is provided with internal threads, the upper outer wall of the oil cup is provided with external threads, and the sleeve and the oil cup are fixedly mounted together by threaded connection.
4. Transformer respirator according to claim 1 or 2, characterized in that the barrier net is a wire gauze or gauze net.
5. A transformer respirator according to claim 3 wherein the barrier mesh is a wire mesh or gauze mesh.
6. The transformer respirator of claim 1, 2 or 5, wherein the bottom of the horizontal baffle is provided with a circular limiting groove corresponding to the transparent bottom cover, and the upper part of the transparent bottom cover is propped in the limiting groove.
7. The transformer respirator of claim 3, wherein the bottom of the horizontal baffle is provided with a circular limiting groove corresponding to the transparent bottom cover, and the upper part of the transparent bottom cover is propped in the limiting groove.
8. The transformer respirator of claim 4, wherein the bottom of the horizontal baffle is provided with an annular limiting groove corresponding to the transparent bottom cover, and the upper part of the transparent bottom cover is propped in the limiting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710642555.XA CN107240483B (en) | 2017-07-31 | 2017-07-31 | Transformer respirator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710642555.XA CN107240483B (en) | 2017-07-31 | 2017-07-31 | Transformer respirator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107240483A CN107240483A (en) | 2017-10-10 |
| CN107240483B true CN107240483B (en) | 2023-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710642555.XA Active CN107240483B (en) | 2017-07-31 | 2017-07-31 | Transformer respirator |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108597782B (en) * | 2018-06-20 | 2024-03-26 | 国网江苏省电力有限公司泰州供电分公司 | Transformer respirator |
| CN108597784A (en) * | 2018-08-01 | 2018-09-28 | 湖北科技学院 | A kind of circumscribed dehumidification equipment of transformer breather and respirator |
| CN110136930B (en) * | 2019-06-18 | 2020-08-04 | 国网四川省电力公司乐山供电公司 | Respirator based on transformer application |
| CN118197752A (en) * | 2024-05-20 | 2024-06-14 | 淄博炳砚电气设备有限公司 | Composite transformer |
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| CN204706439U (en) * | 2015-07-01 | 2015-10-14 | 陕西金源自动化科技有限公司 | A kind of maintenance-free moisture absorber |
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| JPH066490Y2 (en) * | 1991-01-09 | 1994-02-16 | 株式会社日向精工 | Hygroscopic respirator |
| CN2458702Y (en) * | 2001-01-05 | 2001-11-07 | 蒋仕清 | Moisture absorption apparatus |
| US6797037B2 (en) * | 2002-09-06 | 2004-09-28 | Waukesha Electric Systems, Incorporated | Dehydrating breather apparatus and method |
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| CN107240483A (en) | 2017-10-10 |
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