CN112086269B - Anti-backflow structure of transformer respirator - Google Patents
Anti-backflow structure of transformer respirator Download PDFInfo
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- CN112086269B CN112086269B CN202010903334.5A CN202010903334A CN112086269B CN 112086269 B CN112086269 B CN 112086269B CN 202010903334 A CN202010903334 A CN 202010903334A CN 112086269 B CN112086269 B CN 112086269B
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- air inlet
- air outlet
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- hopper
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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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Abstract
The invention belongs to the technical field of transformer matching structures or equipment, and particularly relates to an anti-backflow structure of a transformer respirator. The oil collecting device comprises an oil collecting cylinder, wherein the top and the bottom of the oil collecting cylinder are respectively provided with an air inlet channel and an air outlet channel; the air inlet pipe is arranged in the air inlet channel, the air outlet hopper is arranged in the air outlet channel, the air inlet hopper is arranged at the lower end of the air inlet pipe, and the shade is buckled above the air outlet hopper; the utility model provides a transformer respirator prevent flowing backward structure, between the connecting tube in all kinds of oil-immersed structure breathing pipelines such as mainly used oil-immersed transformer's respirator and other spaces for eliminate and filter the transformer oil etc. of the gas magazines such as shoe polish moisture that produce under the high temperature operational environment, can improve the performance of oil-immersed structure, contain devices such as transformer.
Description
Technical Field
The invention belongs to the technical field of transformer matching structures or equipment, and particularly relates to a backflow preventing structure of a transformer respirator.
Background
The oil-immersed structure or equipment has good heat dissipation, anti-interference/lightning and impact characteristics, simultaneously has lower cost and good insulativity, so the oil-immersed structure or equipment is widely applied to occasions with various high-voltage requirements of a power grid and the like, and then derives an oil-immersed transformer and various oil-immersed heat dissipation and protection structures, but has all advantages and disadvantages, although the oil-immersed transformer has a plurality of advantages, because a large amount of transformer oil is used, the oil-immersed transformer can inevitably receive the limitation of the transformer oil and corresponding structural design and generates corresponding defects, wherein the most common problems are that the transformer oil is easy to invade other structures and the like because of flammability and flammability caused by fluidity of the transformer oil, the transformer oil is easy to invade other structures and the like, the problems of leakage and the like of the transformer oil can be better realized by utilizing a closed container and various anti-permeation and sealing structures in the existing scheme, but in the long-term use process, because the transformer oil and the transformer work at high temperature for a long time, under the influence of various factors such as evaporation and splashing, the transformer oil and the transformer oil steam with high or low concentration are inevitably mixed in the pipelines and the spaces for connecting the transformer oil and various components, although the single content is not high, impregnation and oil drops are formed in a specific area after long-time use, and meanwhile, a small amount of moisture is carried in the steam, so that the potential hazard is easily brought to the normal operation of an oil-impregnated structure after long-time accumulation, and the performance of equipment such as the transformer is influenced.
Disclosure of Invention
The invention aims to provide an anti-backflow structure of a transformer breather, which can be arranged between various components containing transformer oil, such as the transformer breather and the like, and a protection device or a working device.
In order to achieve the purpose, the invention adopts the following technical scheme.
A backflow prevention structure of a transformer breather comprises an oil collecting cylinder 1, wherein the top and the bottom of the oil collecting cylinder 1 are respectively provided with an air inlet channel 1a and an air outlet channel 1 b;
the air inlet device also comprises an air inlet pipe 2 arranged in the air inlet channel 1a, an air outlet hopper 3 arranged in the air outlet channel 1b, an air inlet hopper 4 arranged at the lower end of the air inlet pipe 2 and a shade 5 buckled above the air outlet hopper 3;
the air inlet hopper 4 is an inverted cone-shaped shell with an upward opening, a connecting sleeve 4a which can be sleeved at the lower end of the air inlet pipe 2 is arranged in the middle of the air inlet hopper 4, and a plurality of air inlet holes 4b are uniformly formed in the bottom of the connecting sleeve 4 a;
the air outlet hopper 3 is of an umbrella-shaped structure and comprises an air outlet pipe 3a of which the lower side can be inserted into the air outlet channel 1b and a filtering umbrella 3b arranged at the top of the air outlet pipe 3a, the filtering umbrella 3b is of a conical structure, a plurality of layers of upper guide rings 3c are arranged at the top of the filtering umbrella 3b, an oil collecting tank is enclosed between the adjacent upper guide rings 3c, and a leading-out hole 3d is arranged at the bottom of the oil collecting tank;
Shade 5 is umbelliform knot and establishes 3 upsides at play gas fill, and 5 upsides of shade are the smooth surface, and 5 downside central point of shade puts and is equipped with connecting cylinder 5a that can cup joint with outlet duct 3a, evenly is equipped with a plurality of ventholes 5b on the section of thick bamboo wall of connecting cylinder 5a, and 5 downside of shade is provided with a plurality ofly and the crisscross lower guide ring 5c that sets up of last guide ring 3 c.
The further improvement of the anti-backflow structure of the transformer breather further comprises that the oil collecting cylinder 1 comprises a cylinder body 10 with an opening at the bottom and a cylinder cover 11 buckled on the cylinder body 10 with the opening at the bottom; the cylinder body 10 and the cylinder cover 11 are connected by internal and external threads, and a sealing structure is arranged on the connecting surface;
the air inlet channel 1a is a through hole arranged in the center of the top of the cylinder body 10, and the air outlet channel 1b is a through hole arranged in the center of the cylinder cover 11;
the air inlet pipe 2 is upwards inserted into the air inlet channel 1a from the inner side of the barrel body 10, the lower end of the air inlet pipe 2 is provided with an external thread section 2a, the upper side of the external thread section 2a is provided with a positioning table 2b, the upper end face of the positioning table 2b is abutted against the barrel body 10, one section of the air inlet pipe 2 extending out of the air inlet channel 1a is provided with an external thread connecting section, and the external thread connecting section is sleeved with an upper locking nut 7;
3a of outlet duct inserts outlet channel 1b on the cover 11 from the upside, and 3a of outlet duct is provided with spacing platform 3g near the position of the side on the cover 11, and 3a downside of outlet duct is provided with the external screw thread near the position of the 11 downside of cover, is provided with lock nut 8 down on this section of external screw thread, and the outlet duct utilizes spacing platform 3g to support cover 11 and fixed through lock nut 8 down.
The further improvement of the backflow prevention structure of the transformer respirator further comprises that the air inlet hole 4b is formed in the joint of the bottom of the connecting sleeve 4a and the shell of the air inlet hopper 4, an oil leakage hole 4c is formed in the wall of the upper side shell of the air inlet hopper 4, and the height of the oil leakage hole 4c is higher than that of the air inlet hole 4 b.
The further improvement of the backflow prevention structure of the transformer respirator further comprises that the upper guide ring 3c and the lower guide ring 5c are arranged in a dog-tooth staggered mode but are not in contact with each other, a rotary air inlet channel with an S-shaped section is formed between the upper guide ring 3c and the lower guide ring 5c, and a filter medium is arranged in the rotary air inlet channel.
The further improvement of the anti-backflow structure of the transformer respirator further comprises that an external thread section is arranged on the lower side of the connecting cylinder 5a, and an internal thread matched with the external thread section is arranged on a pipe orifice at the top of the air outlet pipe 3 a.
The further improvement of the backflow prevention structure of the transformer respirator further comprises that a leading-out port 11a connected to the outside is arranged on the cylinder cover 11.
The beneficial effects are that:
the utility model provides a transformer respirator prevents flowing backward structure, between the connecting line in all kinds of oil-immersed structure breathing pipes such as mainly used oil-immersed transformer's respirator and other spaces, a transformer oil for eliminating and filtering gas magazines such as shoe polish moisture that produce under the high temperature operational environment, its leading principle is that the device forms buffering and cooling structure between the return circuit, utilize specific circulation route in the structure simultaneously, improve the convection current of air current and mix, make the material such as transformer oil that carries in the gas can further coalesce the grow, and structurally a plurality of surface adhesion and derive, impurity in the clear air current (protection transformer oil steam and moisture and granule nature floating dust etc.), improve the performance of oily formula structure, contain devices such as transformer.
Drawings
FIG. 1 is a first structural schematic diagram of a backflow prevention structure of a transformer respirator;
FIG. 2 is a structural schematic diagram II of an anti-backflow structure of a transformer respirator;
FIG. 3 is a first assembly view of a transformer respirator backflow prevention structure;
FIG. 4 is a second assembly view of the transformer respirator backflow prevention structure.
Detailed Description
The invention is described in detail below with reference to specific examples.
The anti-backflow structure of the transformer breather comprises an oil collecting cylinder 1, wherein an air inlet channel 1a and an air outlet channel 1b are respectively arranged at the top and the bottom of the oil collecting cylinder 1; the air purifier also comprises an air inlet pipe 2 arranged in the air inlet channel 1a, an air outlet hopper 3 arranged in the air outlet channel 1b, an air inlet hopper 4 arranged at the lower end of the air inlet pipe 2 and a shade 5 buckled above the air outlet hopper 3;
wherein the air inlet pipe 2 and the air outlet hopper 3 are used for connecting a respirator circulation pipeline or a breathing pipeline of an oil immersed transformer, and in view of requirements on sealing performance and mechanism strength, in the embodiment, an air outlet pipe structure 3a at the bottom of the air outlet hopper is of an integral structure with the air outlet hopper, in the actual implementation process, structures in a split shape and the like can be flexibly arranged according to actual requirements, and what needs to be pointed out is that the air outlet pipe structure is used as a device with a pipeline structure and a sealing performance requirement, in the embodiment, only necessary structures and principles of the air outlet pipe structure are explained, but in daily implementation, common and mature accessories or processes are required to be matched, such as sealing rings and sealing glue arranged on each sealing pipeline, and a connecting structure for supporting and fixing, such as bolts, welding points and the like, and the structures are general technologies in the field, can be flexibly used according to the requirements of actual implementation, and have mature technologies and corresponding technical specifications, and therefore will not be described in detail.
As shown in fig. 1 to 4, the air intake hopper 4 is an inverted cone-shaped shell with an upward opening, a connecting sleeve 4a capable of being sleeved at the lower end of the air intake pipe 2 is arranged in the middle of the air intake hopper 4, and a plurality of air intake holes 4b are uniformly arranged at the bottom of the connecting sleeve 4 a; go out 4 upsides of gas hopper and form hopper-shaped structure, when the air current that contains fluid and other impurity flows from intake pipe and inlet port, form liquid (also can pour into transformer oil in the leak in advance) in the funnel gradually and make the inlet port soak in the liquid, make gaseous back of passing from the fluid, utilize adsorption, absorb the transformer oil gas molecules that contain in the gas, can follow leak upside edge after the liquid volume constantly increases and derive and retrieve or get into processing loop from the bottom mouth of pipe, the also most of a small amount of particulate impurity that contains in the gas can gather in the funnel bottom, the device adopts threaded connection, consequently can be convenient take off it and clear up, sufficient joint strength and leakproofness have been guaranteed simultaneously.
In the further improvement process, in order to prevent the phenomenon that the liquid level is too high after the oil quantity is accumulated for a long time and the edge of the funnel overflows when the air lift passes through, in the specific implementation process, the air inlet hole 4b is arranged at the joint of the bottom of the connecting sleeve 4a and the shell of the air inlet hopper 4, meanwhile, an oil leakage hole 4c is arranged on the upper side shell wall in the air inlet hopper 4, and the height of the oil leakage hole 4c is higher than that of the air inlet hole 4 b.
The air outlet hopper 3 is of an umbrella-shaped structure and comprises an air outlet pipe 3a of which the lower side can be inserted into the air outlet channel 1b and a filtering umbrella 3b arranged at the top of the air outlet pipe 3a, the filtering umbrella 3b is of a conical structure, a plurality of layers of upper guide rings 3c are arranged at the top of the filtering umbrella 3b, an oil collecting tank is enclosed between the adjacent upper guide rings 3c, and a leading-out hole 3d is arranged at the bottom of the oil collecting tank; the smooth umbrella-shaped structure on the upper side of the air outlet hopper 3 can facilitate the condensed liquid to smoothly flow to the bottom of the oil collecting cylinder.
Shade 5 is umbelliform knot and establishes 3 upsides at play gas fill, and 5 upsides of shade are the smooth surface, and 5 downside central point of shade puts and is equipped with connecting cylinder 5a that can cup joint with outlet duct 3a, evenly is equipped with a plurality of ventholes 5b on the section of thick bamboo wall of connecting cylinder 5a, and 5 downside of shade is provided with a plurality ofly and the crisscross lower guide ring 5c that sets up of last guide ring 3 c.
Based on above-mentioned structure, through its structural style for the fluid of gathering gradually in the air intake fill can be spread out after the conical surface of air intake fill 4 bottom and the conical surface of shade 5 upside flow gradually, forms the oily adsorption surface of large tracts of land, utilizes the adhesive force of fluid, further fixes oily molecule and the particulate impurity in the air current, and drops to the oil collecting cylinder 1 bottom along with the fluid of sequent gradually, finally exports the processing.
In order to facilitate use and cleaning the internal structure conveniently, in this embodiment, the oil collecting cylinder 1 is composed of a cylinder body 10 with an opening at the bottom and a cylinder cover 11 buckled on the cylinder body 10 with the opening at the bottom; the cylinder body 10 and the cylinder cover 11 are connected by internal and external threads, and a sealing structure comprising a sealing ring and the like is arranged on a connecting surface; the air inlet channel 1a is a through hole arranged in the center of the top of the cylinder body 10, and the air outlet channel 1b is a through hole arranged in the center of the cylinder cover 11; meanwhile, in order to facilitate the discharge of the waste liquid containing impurities, a discharge port 11a connected to the outside is provided on the cylinder cover 11, and the discharge port 11a is connected to an external recovery or purification device or pipe.
Further, in the specific implementation process, in order to facilitate assembly and molding, the connection strength and the sealing performance are improved, and the processing design is simplified, in the embodiment, the air inlet pipe 2 is inserted into the air inlet channel 1a from the inner side of the cylinder 10 upwards, the lower end of the air inlet pipe 2 is provided with an external thread section 2a, the upper side of the external thread section 2a is provided with a positioning table 2b, the upper end face of the positioning table 2b is abutted against the cylinder 10, one section of the air inlet pipe 2 extending out of the air inlet channel 1a is provided with an external thread connection section, and the external thread connection section is sleeved with an upper locking nut 7; by utilizing the structures such as too-positioning structures, screw threads and the like, the edges are always positioned and limited rapidly in the assembling process, rapid assembly is realized, oil is prevented from being spilled or flowing, and the sealing property is improved.
3a of outlet duct insert the outlet air passageway 1b on the cover 11 from the upside, and the position that 3a of outlet duct is close to 11 upward sides of cover is provided with spacing platform 3g, and the position that 3a of outlet duct downside is close to 11 downside of cover is provided with the external screw thread, is provided with lock nut 8 down on this section of external screw thread, and the outlet duct utilizes spacing platform 3g to support cover 11 and fixed through lock nut 8 down.
The upper guide ring 3c and the lower guide ring 5c are arranged in a staggered manner without contacting with each other, a rotary air inlet channel with an S-shaped section is formed between the upper guide ring 3c and the lower guide ring 5c, and a filter medium is arranged in the rotary air inlet channel. The connecting cylinder 5a downside is provided with the external screw thread section, and 3a top mouth of pipe of outlet duct are provided with this external screw thread section assorted internal thread.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or substituted equivalently without departing from the spirit and scope of the technical solutions of the present invention.
Claims (5)
1. The backflow prevention structure of the transformer respirator is characterized by comprising an oil collecting cylinder (1), wherein the top and the bottom of the oil collecting cylinder (1) are respectively provided with an air inlet channel (1a) and an air outlet channel (1 b);
The air purifier also comprises an air inlet pipe (2) arranged in the air inlet channel (1a), an air outlet hopper (3) arranged in the air outlet channel (1b), an air inlet hopper (4) arranged at the lower end of the air inlet pipe (2) and a shade (5) buckled above the air outlet hopper (3);
the air inlet hopper (4) is an inverted conical shell with an upward opening, a connecting sleeve (4a) capable of being sleeved at the lower end of the air inlet pipe (2) is arranged in the middle of the air inlet hopper (4), and a plurality of air inlet holes (4b) are uniformly formed in the bottom of the connecting sleeve (4 a);
the air outlet hopper (3) is of an umbrella-shaped structure and comprises an air outlet pipe (3a) with the lower side capable of being inserted into the air outlet channel (1b), and a filtering umbrella (3b) arranged at the top of the air outlet pipe (3a), wherein the filtering umbrella (3b) is of a conical structure, the top of the filtering umbrella (3b) is provided with a plurality of layers of upper guide rings (3c), an oil collecting tank is defined by the adjacent upper guide rings (3c), and the bottom of the oil collecting tank is provided with a leading-out hole (3 d);
the air outlet device is characterized in that the shade (5) is buckled on the upper side of the air outlet hopper (3) in an umbrella shape, the upper side of the shade (5) is a smooth surface, a connecting cylinder (5a) which can be sleeved with the air outlet pipe (3a) is arranged at the center of the lower side of the shade (5), a plurality of air outlet holes (5b) are uniformly formed in the cylinder wall of the connecting cylinder (5a), and a plurality of lower guide rings (5c) which are staggered with the upper guide rings (3c) are arranged on the lower side of the shade (5);
the oil collecting cylinder (1) comprises a cylinder body (10) with an opening at the bottom and a cylinder cover (11) buckled at the opening at the bottom of the cylinder body (10); the cylinder body (10) is connected with the cylinder cover (11) through internal and external threads, and a sealing structure is arranged on the connecting surface;
The air inlet channel (1a) is a through hole arranged in the center of the top of the cylinder body (10), and the air outlet channel (1b) is a through hole arranged in the center of the cylinder cover (11);
the air inlet pipe (2) is upwards inserted into the air inlet channel (1a) from the inner side of the cylinder body (10), the lower end of the air inlet pipe (2) is provided with an external thread section (2a), the upper side of the external thread section (2a) is provided with a positioning table (2b), the upper end face of the positioning table (2b) is abutted against the cylinder body (10), one section of the air inlet pipe (2) extending out of the air inlet channel (1a) is provided with an external thread connecting section, and an upper locking nut (7) is sleeved on the external thread connecting section;
outlet duct (3a) insert outlet channel (1b) on cover (11) from the upside, and the position that outlet duct (3a) is close to cover (11) and goes up the side is provided with spacing platform (3g), and the position that outlet duct (3a) downside is close to cover (11) downside is provided with the external screw thread, is provided with down lock nut (8) on this section external screw thread, and the outlet duct utilizes spacing platform (3g) to support cover (11) and fixed through lock nut (8) down.
2. The transformer respirator backflow prevention structure according to claim 1, wherein the air inlet hole (4b) is formed at a joint of the bottom of the connecting sleeve (4a) and the shell of the air inlet hopper (4), an oil leakage hole (4c) is formed in the middle upper side shell wall of the air inlet hopper (4), and the height of the oil leakage hole (4c) is higher than that of the air inlet hole (4 b).
3. The transformer respirator backflow prevention structure according to claim 1, wherein the upper guide ring (3c) and the lower guide ring (5c) are arranged in a zigzag manner without contacting each other, a rotary air inlet channel with an S-shaped cross section is formed between the upper guide ring (3c) and the lower guide ring (5c), and a filter medium is arranged in the rotary air inlet channel.
4. The transformer respirator backflow prevention structure according to claim 1, wherein the lower side of the connecting cylinder (5a) is provided with an external thread section, and the top nozzle of the air outlet pipe (3a) is provided with an internal thread matched with the external thread section.
5. The transformer respirator backflow prevention structure according to claim 1, wherein the cylinder cover (11) is provided with a leading-out port (11a) connected to the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010903334.5A CN112086269B (en) | 2020-09-01 | 2020-09-01 | Anti-backflow structure of transformer respirator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010903334.5A CN112086269B (en) | 2020-09-01 | 2020-09-01 | Anti-backflow structure of transformer respirator |
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| Publication Number | Publication Date |
|---|---|
| CN112086269A CN112086269A (en) | 2020-12-15 |
| CN112086269B true CN112086269B (en) | 2022-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010903334.5A Active CN112086269B (en) | 2020-09-01 | 2020-09-01 | Anti-backflow structure of transformer respirator |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203966746U (en) * | 2014-07-21 | 2014-11-26 | 红旗集团温州变压器有限公司 | Oil-filled transformer with respirator |
| CN108597782A (en) * | 2018-06-20 | 2018-09-28 | 国网江苏省电力有限公司泰州供电分公司 | A kind of transformer breather |
-
2020
- 2020-09-01 CN CN202010903334.5A patent/CN112086269B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203966746U (en) * | 2014-07-21 | 2014-11-26 | 红旗集团温州变压器有限公司 | Oil-filled transformer with respirator |
| CN108597782A (en) * | 2018-06-20 | 2018-09-28 | 国网江苏省电力有限公司泰州供电分公司 | A kind of transformer breather |
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| CN112086269A (en) | 2020-12-15 |
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