CN114823105B - Structure for reducing internal stress deformation of ventilation tube of transformer - Google Patents
Structure for reducing internal stress deformation of ventilation tube of transformer Download PDFInfo
- Publication number
- CN114823105B CN114823105B CN202210307668.5A CN202210307668A CN114823105B CN 114823105 B CN114823105 B CN 114823105B CN 202210307668 A CN202210307668 A CN 202210307668A CN 114823105 B CN114823105 B CN 114823105B
- Authority
- CN
- China
- Prior art keywords
- transformer
- connecting pipe
- ventilation
- cylinder
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention belongs to the technical field of processing of large power transformer oil tanks, in particular to a structure for reducing internal stress deformation of a ventilation connecting pipe of a transformer, which comprises a transformer and a plurality of groups of lifting seats, wherein the top end of each lifting seat is fixedly connected with a corresponding fixed cylinder, each fixed cylinder is provided with a vertical strip-shaped opening close to the center of the upper side wall of the transformer, each group of strip-shaped openings is commonly connected with a connecting pipe, the connecting pipes are provided with corresponding corrugated pipes, a matched ventilation connecting pipe is arranged right above the transformer, the connecting pipes are symmetrically arranged at two sides of the ventilation connecting pipe, and each connecting pipe is connected with a corresponding bending connecting pipe; the corrugated pipe and the bending connecting pipe are matched for use, so that the internal stress deformation of the ventilation connecting pipe of the transformer can be reduced, the operation safety of the transformer is ensured, the position of the connecting seat can be correspondingly adjusted according to the characteristics of thermal expansion and cold contraction of the ventilation connecting pipe, and the problem of stress concentration of the ventilation connecting pipe can be effectively solved without supercooling or overheating.
Description
Technical Field
The invention relates to the technical field of processing of large-scale power transformer oil tanks, in particular to a structure for reducing internal stress deformation of a ventilation tube of a transformer.
Background
The ventilation connecting pipe on the lifting seat of the American phase-shifting transformer product is made of 1Cr18Ni9Ti stainless steel, and the transformer has the phenomena of connecting pipe deformation with different degrees and oil leakage tearing along the welding line of the pipe joint of the lifting seat in the vacuum oiling process in a factory and the on-site operation process.
The stainless steel transformer ventilation connecting pipe has large thermal expansion coefficient, severe thermal expansion and cold contraction when the environmental temperature difference is large, and the hard connection mode of the straight pipe and the flange bolt forms the stress concentration of the pipeline, so that the connecting pipe is deformed, and therefore, a structure for reducing the internal stress deformation of the transformer ventilation connecting pipe needs to be designed to solve the problems
Disclosure of Invention
In order to solve the problems that the ventilation tube is easy to deform due to severe thermal expansion and cold contraction when the thermal expansion coefficient of the ventilation tube is large and the environmental temperature difference is large in the prior art, the invention provides a structure for reducing the internal stress deformation of the ventilation tube of a transformer.
The technical scheme adopted for solving the technical problems is as follows: the structure for reducing the internal stress deformation of the ventilation connecting pipe of the transformer comprises a transformer and a plurality of groups of lifting seats, wherein the top end of each lifting seat is fixedly connected with a corresponding fixed cylinder, each fixed cylinder is provided with a vertical strip-shaped opening close to the center of the upper side wall of the transformer, each group of strip-shaped openings is internally and jointly connected with a connecting pipe, the connecting pipes are provided with corresponding corrugated pipes, a matched ventilation connecting pipe is arranged right above the transformer, the connecting pipes are symmetrically arranged on two sides of the ventilation connecting pipe, each connecting pipe is connected with a corresponding bending connecting pipe, a corresponding connecting ring is sleeved on the ventilation connecting pipe, the bending connecting pipe penetrates through the connecting ring to be communicated with the ventilation connecting pipe, and each fixed cylinder is internally provided with a temperature self-adaptive adjusting device; the corrugated pipe and the bending connecting pipe are matched for use, so that the internal stress deformation of the ventilation connecting pipe of the transformer can be reduced, the operation safety of the transformer is ensured, the heat expansion and cold contraction characteristics of the ventilation connecting pipe can be aimed through the arrangement of the self-adaptive adjusting device, and the problem of the stress concentration of the ventilation connecting pipe can be effectively solved without supercooling or overheating.
Preferably, each temperature self-adaptive adjusting device comprises a connecting seat, the connecting seat and the inner wall of the fixed cylinder horizontally slide, a plurality of groups of first temperature sensing cylinders are symmetrically arranged on the inner wall of the fixed cylinder, a plurality of groups of first temperature sensing cylinders are symmetrically arranged on two sides of the strip-shaped opening, each first temperature sensing cylinder is internally and hermetically connected with a corresponding first piston plate in a sliding manner, low-boiling point evaporating liquid is arranged between the first piston plate and the inner end wall of the first temperature sensing cylinder, one end of the first piston plate, which is close to the connecting seat, is fixedly connected with a first push rod, and a plurality of groups of first push rods, which are far away from the first piston plate, outwards penetrate through the first temperature sensing cylinders to be fixedly connected with the connecting seat together; can be when the high temperature leads to ventilating to allies oneself with the pipe, the union coupling of bending expands, promote the distance between connecting seat regulation connecting pipe and the ventilating to allies oneself with the pipe, when the temperature is too low, can reduce the connection between connecting pipe and the ventilating again, make the union coupling of bending can firmly support the ventilating to allies oneself with the pipe.
Preferably, a corresponding connecting plate is fixedly connected between each first push rod and the connecting seat, and the diameter of the connecting plate is larger than that of the first push rod; the contact area of connecting seat and first push rod has been improved in the setting of connecting plate, makes the promotion connecting seat that first push rod can be better.
Preferably, a first telescopic column is fixedly connected to the center of one end of the connecting seat far away from the connecting pipe, one end of the first telescopic column far away from the connecting seat is fixedly connected with the inner wall of the fixed cylinder, and a corresponding first spring is sleeved on the first telescopic column; the position of the connecting seat can be adjusted stably by being matched with the first push rod, and then the gap between the connecting pipe and the ventilation connecting pipe is adjusted.
Preferably, a fan-shaped fixed block matched with the connecting seat is arranged in the fixed cylinder, and the connecting seat is in sliding connection with the fan-shaped fixed block through a sliding block and a sliding chute; through the setting of fan-shaped fixed block, make the stable slip of connecting seat in fan-shaped fixed block.
Preferably, each connecting ring is internally provided with a corresponding annular air bag, the lower end of each connecting ring is fixedly provided with an adjusting cylinder, the inner wall of each adjusting cylinder is in sealed vertical sliding connection with a push plate, the adjusting cylinders are communicated with the annular air bags through corresponding air passages, and the outer side wall of each connecting ring is provided with a temperature self-adaptive adjusting component matched with the push plate; when the temperature is too high, the temperature self-adaptive adjusting component can pump away the gas in the annular air bag, provide the clearance of the expansion of the ventilation connecting pipe, and when the temperature is low, the annular air bag can be inflated, so that the annular air bag firmly supports the ventilation connecting pipe.
Preferably, the temperature self-adaptive adjusting component comprises a second temperature sensing cylinder and a second piston plate, the second piston plate is in sealed sliding connection with the second temperature sensing cylinder, mercury is arranged between the second piston plate and the outer side wall of the connecting ring, the lower side wall of the second piston plate is fixedly connected with a second push rod, and one end of the second push rod, far away from the second piston plate, penetrates through the second temperature sensing cylinder outwards and is fixedly connected with the upper side wall of the push plate; the pushing plate is pushed by mercury heated expansion, so that the pushing plate is timely pushed or pulled, and gas in the annular air bag can be timely flushed out or the annular air bag can be inflated according to the external temperature.
Preferably, a plurality of groups of second springs which are uniformly distributed are connected between one side of the push plate far away from the connecting ring and the inner end wall of the adjusting cylinder; the second spring is arranged, so that the second push rod can be assisted to reset the push plate.
The invention has the advantages that:
1. the internal stress deformation of the ventilation tube of the transformer can be reduced through the matched use of the corrugated tube and the bending tube, the operation safety of the transformer is ensured, the position of the connecting seat can be correspondingly adjusted according to the characteristic of thermal expansion and cold contraction of the ventilation tube through the arrangement of the self-adaptive adjusting device, and the problem of stress concentration of the ventilation tube can be effectively solved without supercooling or overheating;
2. the first temperature sensing cylinder, the first piston plate and the first push rod are matched with low-boiling point evaporating liquid, so that when the ventilating connecting pipe and the bending connecting pipe expand due to overhigh temperature, the connecting seat is pushed to adjust the distance between the connecting pipe and the ventilating connecting pipe, and when the temperature is too low, the connection between the connecting pipe and the ventilating connecting pipe can be reduced, and the bending connecting pipe can firmly support the ventilating connecting pipe;
3. through the use of temperature self-adaptation adjusting part cooperation go-between and annular gasbag, when the temperature is too high, temperature self-adaptation adjusting part can take away the gas in the annular gasbag, provides the clearance that allies oneself with the pipe inflation of ventilating, when the temperature is lower, can aerify in the annular gasbag, makes the annular gasbag carry out firm support to allies oneself with the pipe to ventilating, thereby utilizes mercury thermal expansion to promote the push pedal timely promotion or pulling push pedal can in time dash the gas in the annular gasbag or aerify the annular gasbag according to external temperature.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic overall appearance of a first embodiment;
FIG. 2 is a schematic top view of the first embodiment;
FIG. 3 is a schematic diagram of the front structure of the first embodiment;
FIG. 4 is a schematic top view of the interior of a stationary barrel according to the first embodiment;
FIG. 5 is a schematic cross-sectional view showing the mating of the connecting ring and the vent header according to the first embodiment;
FIG. 6 is an enlarged schematic view of FIG. 5A;
fig. 7 is a schematic diagram of a connection structure between a second telescopic column and a push plate according to the second embodiment.
In the figure: the device comprises a 1-fold connecting pipe, a 2-corrugated pipe, a 3-rise seat, a 4-ventilation connecting pipe, a 5-transformer, a 6-fixing cylinder, a 7-connecting pipe, an 8-connecting ring, a 9-first piston plate, a 10-low boiling point evaporation liquid, a 11-first push rod, a 12-connecting plate, a 13-strip opening, a 14-first telescopic column, a 15-first spring, a 16-first temperature sensing cylinder, a 17-annular air bag, a 18-adjusting cylinder, a 19-push plate, a 20-ventilation channel, a 21-second temperature sensing cylinder, a 22-second piston plate, a 23-second push rod, a 24-second spring, a 25-ventilation valve and a 26-second telescopic column.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-6, a structure for reducing internal stress deformation of a ventilation tube of a transformer comprises a transformer 5 and a plurality of groups of lifting seats 3, wherein the top end of each lifting seat 3 is fixedly connected with a corresponding fixed cylinder 6, each fixed cylinder 6 is provided with a vertical strip-shaped opening 13 near the center of the upper side wall of the transformer 5, each group of strip-shaped openings 13 is internally and jointly connected with a connecting tube 7, the connecting tubes 7 are provided with corresponding corrugated tubes 2, a matched ventilation tube 4 is arranged right above the transformer 5, the connecting tubes 7 are symmetrically arranged on two sides of the ventilation tube 4, each connecting tube 7 is connected with a corresponding bent tube 1, the ventilation tube 4 is sleeved with a corresponding connecting ring 8, the bent tube 1 penetrates through the connecting ring 8 to be communicated with the ventilation tube 4, and each fixed cylinder 6 is internally provided with a temperature self-adaptive adjusting device; the internal stress deformation of the ventilation connecting pipe 4 of the transformer 5 can be reduced through the matched use of the corrugated pipe 2 and the bending connecting pipe 1, the operation safety of the transformer 5 is ensured, the heat expansion and cold contraction characteristics of the ventilation connecting pipe 4 can be aimed through the arrangement of the self-adaptive adjusting device, and the problem of stress concentration of the ventilation connecting pipe 4 can be effectively solved without supercooling or overheating by correspondingly adjusting the position of the connecting seat.
Each temperature self-adaptive adjusting device comprises a connecting seat, the connecting seat and the inner wall of the fixed cylinder 6 slide horizontally, a plurality of groups of first temperature sensing cylinders 16 are symmetrically arranged on the inner wall of the fixed cylinder 6, a plurality of groups of first temperature sensing cylinders 16 are symmetrically arranged on two sides of the strip-shaped opening 13, a corresponding first piston plate 9 is hermetically and slidingly connected in each first temperature sensing cylinder 16, low boiling point evaporating liquid 10 is arranged between the first piston plate 9 and the inner end wall of the first temperature sensing cylinder 16, one end, close to the connecting seat, of the first piston plate 9 is fixedly connected with a first push rod 11, and one side, far away from the first piston plate 9, of each group of first push rods 11 outwards penetrates through the first temperature sensing cylinders 16 to be fixedly connected with the connecting seat; through the use of first temperature-sensing section of thick bamboo 16, first piston plate 9, first push rod 11 cooperation low boiling point evaporating liquid 10 can, can lead to ventilating union pipe 4, when the expansion of the union pipe 1 of bending at the high temperature, promote the distance between connecting seat regulation connecting pipe 7 and the union pipe 4, when the temperature is too low, can reduce the connection between connecting pipe 7 and the union pipe 4 again, make the union pipe 1 of bending can firmly support ventilating union pipe 4.
A corresponding connecting plate 12 is fixedly connected between each first push rod 11 and the connecting seat, and the diameter of the connecting plate 12 is larger than that of the first push rod 11; the contact area of connecting seat and first push rod 11 has been improved in the setting of connecting plate 12, makes the better promotion connecting seat of first push rod 11.
The center of one end of the connecting seat far away from the connecting pipe 7 is fixedly connected with a first telescopic column 14, one end of the first telescopic column 14 far away from the connecting seat is fixedly connected with the inner wall of the fixed cylinder 6, and a corresponding first spring 15 is sleeved on the first telescopic column 14; through the cooperation of first telescopic column 14 and first spring 15, can cooperate the comparatively stable position of adjusting the connecting seat of first push rod 11, and then adjusted the clearance between connecting pipe 7 and the allies oneself with pipe 4 of ventilating.
A fan-shaped fixed block matched with the connecting seat is arranged in the fixed cylinder 6, and the connecting seat is in sliding connection with the fan-shaped fixed block through a sliding block and a sliding chute; through the setting of fan-shaped fixed block, make the stable slip of connecting seat in fan-shaped fixed block.
The inside of each connecting ring 8 is provided with a corresponding annular air bag 17, the lower end of each connecting ring 8 is fixedly provided with an adjusting cylinder 18, the inner wall of each adjusting cylinder 18 is in sealed vertical sliding connection with a push plate 19, the adjusting cylinders 18 are communicated with the annular air bags 17 through corresponding air passages 20, and the outer side wall of each connecting ring 8 is provided with a temperature self-adaptive adjusting component matched with the push plate 19; through the use of temperature self-adaptation adjusting part cooperation go-between 8 and annular gasbag 17, when the temperature is too high, temperature self-adaptation adjusting part can take away the gas in the annular gasbag 17, provides the clearance that the allies oneself with the pipe 4 inflation of ventilating, when the temperature is lower, can aerify in the annular gasbag 17, makes annular gasbag 17 firmly support the allies oneself with the pipe 4 of ventilating.
The temperature self-adaptive adjusting component comprises a second temperature sensing cylinder 21 and a second piston plate 22, the second piston plate 22 is in sealed sliding connection with the second temperature sensing cylinder 21, mercury is arranged between the second piston plate 22 and the outer side wall of the connecting ring 8, the lower side wall of the second piston plate 22 is fixedly connected with a second push rod 23, and one end of the second push rod 23, far away from the second piston plate 22, penetrates through the second temperature sensing cylinder 21 outwards and is fixedly connected with the upper side wall of the push plate 19; the pushing plate 19 is pushed by mercury heated and expanded, so that the pushing plate 19 can be pushed or pulled timely, and gas in the annular air bag 17 can be flushed timely according to the external temperature or the annular air bag 17 can be inflated.
A plurality of groups of second springs 24 which are uniformly distributed are connected between one side of the push plate 19 away from the connecting ring 8 and the inner end wall of the adjusting cylinder 18; the second spring 24 can assist the second push rod 23 to reset the push plate 19.
Example two
Referring to fig. 7, in a first comparative example, as another embodiment of the present invention, a second telescopic column 26 is disposed between the push plate 19 and the inner end wall of the adjusting cylinder 18; through the setting of the flexible post 26 of second, strengthened the cooperation stability between push pedal 19 and the inner wall of adjusting cylinder 18, avoid the gas leakage of push pedal 19 upside.
The theory of operation, when the outside temperature of ventilation allies oneself with pipe 4 rises, ventilation allies oneself with pipe 4 the cooperation of bending pipe 1 and bellows 2 this moment can offset ventilation allies oneself with pipe 4's inflation, avoid ventilation allies oneself with pipe 4 stress concentration, take place to warp, the mercury in low boiling point evaporation liquid 10 and the second temperature-sensing section of thick bamboo 21 that sets up in first temperature-sensing section of thick bamboo 16 is heated and is expanded, can promote connecting seat and push pedal 19, provide ventilation allies oneself with pipe 4 and the clearance of bending allies oneself with pipe 1 inflation, when ventilation allies oneself with pipe 4 and the bending allies oneself with pipe 1 shrink under the cold, can promote the connecting seat again and aerify annular gasbag 17, thereby firmly fix ventilation allies oneself with pipe 4 and bending allies oneself with pipe 1.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.
Claims (7)
1. The utility model provides a reduce structure of transformer ventilation allies oneself with intraductal stress deformation which characterized in that: the automatic temperature adjusting device comprises a transformer (5) and a plurality of groups of lifting seats (3), wherein the top ends of the lifting seats (3) are fixedly connected with corresponding fixed barrels (6), each fixed barrel (6) is close to the center of the upper side wall of the transformer (5) and is provided with a vertical strip-shaped opening (13), connecting pipes (7) are commonly connected in each group of strip-shaped openings (13), corresponding corrugated pipes (2) are arranged on the connecting pipes (7), matched ventilation connecting pipes (4) are arranged right above the transformer (5), the connecting pipes (7) are symmetrically arranged on two sides of the ventilation connecting pipes (4), each connecting pipe (7) is connected with a corresponding bending connecting pipe (1), a corresponding connecting ring (8) is sleeved on each ventilation connecting pipe (4), each bending connecting pipe (1) penetrates through the connecting ring (8) to be communicated with the ventilation connecting pipe (4), and each fixed barrel (6) is internally provided with a temperature self-adaptive adjusting device;
each temperature self-adaptive adjusting device comprises a connecting seat, the connecting seats can slide along the horizontal direction on the inner wall of a fixed cylinder (6), a plurality of groups of first temperature sensing cylinders (16) are symmetrically arranged on the inner wall of the fixed cylinder (6), the groups of first temperature sensing cylinders (16) are symmetrically arranged on two sides of a strip-shaped opening (13), each first temperature sensing cylinder (16) is internally provided with a corresponding first piston plate (9) in a sealing sliding manner, a low-boiling point evaporating liquid (10) is arranged between the first piston plate (9) and the inner end wall of the first temperature sensing cylinder (16), one end, close to the connecting seat, of each first piston plate (9) is fixedly connected with a first push rod (11), and a plurality of groups of first push rods (11) outwards penetrate through one side, far away from the first piston plate (9), of each first push rod is jointly fixedly connected with the connecting seat.
2. A structure for reducing internal stress deformation in a ventilation tube of a transformer as set forth in claim 1, wherein: every all fixedly connected with corresponding connecting plate (12) between first push rod (11) and the connecting seat, and the diameter of connecting plate (12) is greater than the diameter of first push rod (11).
3. A structure for reducing internal stress deformation in a ventilation tube of a transformer as set forth in claim 1, wherein: the connecting seat is far away from the first telescopic column (14) of fixedly connected with in one end center department of connecting pipe (7), one end that connecting seat was kept away from to first telescopic column (14) and fixed section of thick bamboo (6) inner wall fixed connection, and the cover is equipped with corresponding first spring (15) on first telescopic column (14).
4. A structure for reducing internal stress deformation in a ventilation tube of a transformer as set forth in claim 1, wherein: the fan-shaped fixing block matched with the connecting seat is arranged in the fixing barrel (6), and the connecting seat is in sliding connection with the fan-shaped fixing block through the sliding block and the sliding groove.
5. A structure for reducing internal stress deformation in a ventilation tube of a transformer as set forth in claim 1, wherein: every all be provided with annular gasbag (17) that correspond in go-between (8), go-between (8) lower extreme fixedly provided with adjustment cylinder (18), the sealed vertical sliding connection of adjustment cylinder (18) inner wall has push pedal (19), and adjustment cylinder (18) and annular gasbag (17) are through corresponding air flue (20) intercommunication, go-between (8) lateral wall is provided with the temperature self-adaptation regulation subassembly that matches with push pedal (19).
6. A structure for reducing internal stress deformation in a ventilation tube of a transformer as set forth in claim 5, wherein: the temperature self-adaptive adjusting component comprises a second temperature sensing cylinder (21) and a second piston plate (22), the second piston plate (22) is in sealing sliding connection with the second temperature sensing cylinder (21), mercury is arranged between the second piston plate (22) and the outer side wall of the connecting ring (8), a second push rod (23) is fixedly connected with the lower side wall of the second piston plate (22), and one end, far away from the second piston plate (22), of the second push rod (23) outwards penetrates through the second temperature sensing cylinder (21) and is fixedly connected with the upper side wall of the push plate (19).
7. A structure for reducing internal stress deformation in a ventilation tube of a transformer as set forth in claim 6, wherein: a plurality of groups of second springs (24) which are uniformly distributed are connected between one side of the push plate (19) far away from the connecting ring (8) and the inner end wall of the adjusting cylinder (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210307668.5A CN114823105B (en) | 2022-03-25 | 2022-03-25 | Structure for reducing internal stress deformation of ventilation tube of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210307668.5A CN114823105B (en) | 2022-03-25 | 2022-03-25 | Structure for reducing internal stress deformation of ventilation tube of transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114823105A CN114823105A (en) | 2022-07-29 |
| CN114823105B true CN114823105B (en) | 2023-10-20 |
Family
ID=82531561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210307668.5A Active CN114823105B (en) | 2022-03-25 | 2022-03-25 | Structure for reducing internal stress deformation of ventilation tube of transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114823105B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200215911Y1 (en) * | 2000-09-15 | 2001-03-15 | 유현택 | A sensing and alarming device for measuring transformer's overheat |
| CN201025590Y (en) * | 2007-02-28 | 2008-02-20 | 上海南桥变压器有限责任公司 | A transformer with separately installed cooling device |
| CN202957129U (en) * | 2012-11-29 | 2013-05-29 | 中国北车集团大连机车车辆有限公司 | Tool for assembling transformer cabinet and cooling oil pipe of electric locomotive |
| US8665047B1 (en) * | 2012-12-28 | 2014-03-04 | Marina Electrical Equipment, Inc. | Air-cooled high-efficiency transformer system |
| DE102012220588A1 (en) * | 2012-11-12 | 2014-05-15 | TMS Trafo-Montage-Service GmbH | Pressurization system for pressurizing hermetically-sealed transformer, has connection line coupling low pressure and overpressure containers with transformer such that sample is sucked and supplied from and to transformer, respectively |
| CN105428008A (en) * | 2015-12-28 | 2016-03-23 | 保定天威保变电气股份有限公司 | S-shaped ascending flanged base connection structure for transformer |
| CN105609234A (en) * | 2015-12-28 | 2016-05-25 | 保定天威保变电气股份有限公司 | n-shaped ascending flanged base linking structure for transformer |
| CN206893389U (en) * | 2017-05-10 | 2018-01-16 | 特变电工沈阳变压器集团有限公司 | A kind of power transformer enclosure exhaust structure |
| CN108692105A (en) * | 2018-05-29 | 2018-10-23 | 保定天威保变电气股份有限公司 | A kind of adjustment of large-scale power transformer cooling union is locked method and device |
| CN210272007U (en) * | 2019-09-16 | 2020-04-07 | 常州芝润电气有限公司 | Cotube structure of cooler for transformer with precooling function |
-
2022
- 2022-03-25 CN CN202210307668.5A patent/CN114823105B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200215911Y1 (en) * | 2000-09-15 | 2001-03-15 | 유현택 | A sensing and alarming device for measuring transformer's overheat |
| CN201025590Y (en) * | 2007-02-28 | 2008-02-20 | 上海南桥变压器有限责任公司 | A transformer with separately installed cooling device |
| DE102012220588A1 (en) * | 2012-11-12 | 2014-05-15 | TMS Trafo-Montage-Service GmbH | Pressurization system for pressurizing hermetically-sealed transformer, has connection line coupling low pressure and overpressure containers with transformer such that sample is sucked and supplied from and to transformer, respectively |
| CN202957129U (en) * | 2012-11-29 | 2013-05-29 | 中国北车集团大连机车车辆有限公司 | Tool for assembling transformer cabinet and cooling oil pipe of electric locomotive |
| US8665047B1 (en) * | 2012-12-28 | 2014-03-04 | Marina Electrical Equipment, Inc. | Air-cooled high-efficiency transformer system |
| CN105428008A (en) * | 2015-12-28 | 2016-03-23 | 保定天威保变电气股份有限公司 | S-shaped ascending flanged base connection structure for transformer |
| CN105609234A (en) * | 2015-12-28 | 2016-05-25 | 保定天威保变电气股份有限公司 | n-shaped ascending flanged base linking structure for transformer |
| CN206893389U (en) * | 2017-05-10 | 2018-01-16 | 特变电工沈阳变压器集团有限公司 | A kind of power transformer enclosure exhaust structure |
| CN108692105A (en) * | 2018-05-29 | 2018-10-23 | 保定天威保变电气股份有限公司 | A kind of adjustment of large-scale power transformer cooling union is locked method and device |
| CN210272007U (en) * | 2019-09-16 | 2020-04-07 | 常州芝润电气有限公司 | Cotube structure of cooler for transformer with precooling function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114823105A (en) | 2022-07-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101387444A (en) | High-efficiency scaleless leak-proof pipe type solar heat collector | |
| CN114823105B (en) | Structure for reducing internal stress deformation of ventilation tube of transformer | |
| CN107339600B (en) | Vertical low-temperature container | |
| CN110454773B (en) | Energy-saving flue gas waste heat recovery pipeline | |
| CN108730189A (en) | The installation method of the air intake duct group of air intake duct group, compressor and compressor | |
| CN117168703A (en) | Steel pipe gas tightness detection device | |
| CN109812629B (en) | Improved device for high-density polyethylene double-wall corrugated pipe | |
| CN210319013U (en) | Gas pipeline compensator | |
| CN214465323U (en) | Novel carbon monoxide single tower fixed knot constructs | |
| CN216558422U (en) | Sleeve pipe type shell-and-tube heat exchanger | |
| CN205896533U (en) | Take beaded finish corrugated expansion joint | |
| CN2319771Y (en) | Sleeve type heat exchanger | |
| CN210950390U (en) | High-temperature-resistant nonmetal compensator | |
| CN211012615U (en) | Heat exchanger with thermal expansion extension protection | |
| CN210664100U (en) | Inlet end structure of floating head heat exchanger | |
| CN210510707U (en) | Heat preservation type corrugated pipe compensator | |
| CN209385899U (en) | A kind of double-ply bellows compensator | |
| CN207081353U (en) | Single-tube floating tube-type graphite heat exchanger | |
| CN211040089U (en) | L NG metal expansion joint | |
| CN210800396U (en) | High-sealing expansion joint | |
| CN216715562U (en) | Low-temperature-resistant non-metallic expansion joint | |
| CN220152154U (en) | Piston type compensator | |
| CN215598195U (en) | Deformation control device suitable for gas-type fluoroplastic heat exchanger | |
| CN207703050U (en) | A kind of gas-gas heat exchanger | |
| CN209295182U (en) | A kind of New Type of Tubular Air Preheater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |