CN109003789A - A kind of transformer breather of automatic dehumidifying - Google Patents

A kind of transformer breather of automatic dehumidifying Download PDF

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Publication number
CN109003789A
CN109003789A CN201810861416.0A CN201810861416A CN109003789A CN 109003789 A CN109003789 A CN 109003789A CN 201810861416 A CN201810861416 A CN 201810861416A CN 109003789 A CN109003789 A CN 109003789A
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CN
China
Prior art keywords
respiratory siphon
block
silicone rubber
rubber cover
lubricating cup
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.)
Pending
Application number
CN201810861416.0A
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Chinese (zh)
Inventor
镇方雄
曹付民
吴俊智
何守胜
李干明
镇依婷
许炎鑫
阮朝
镇方超
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Hubei University of Science and Technology
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Hubei University of Science and Technology
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Filing date
Publication date
Application filed by Hubei University of Science and Technology filed Critical Hubei University of Science and Technology
Priority to CN201810861416.0A priority Critical patent/CN109003789A/en
Publication of CN109003789A publication Critical patent/CN109003789A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/08Cooling; Ventilating
    • H01F27/10Liquid cooling
    • H01F27/12Oil cooling
    • H01F27/14Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/40Structural association with built-in electric component, e.g. fuse
    • H01F27/402Association of measuring or protective means
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/40Structural association with built-in electric component, e.g. fuse
    • H01F27/402Association of measuring or protective means
    • H01F2027/404Protective devices specially adapted for fluid filled transformers

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Drying Of Gases (AREA)

Abstract

The present invention provides a kind of transformer breathers of automatic dehumidifying, belong to electrical equipment technical field.This respirator includes connecting flange, silicone rubber cover, lubricating cup and respiratory siphon, the upper and lower ends of respiratory siphon are connected with connecting flange and lubricating cup respectively, a through slot for passing through respiratory siphon radial line is offered on respiratory siphon, laterally be inserted in through slot can in through slot longitudinal sliding motion sliding block, the outer rim of sliding block upper surface is provided with an irony suction block, it is provided with armature block corresponding with irony suction block on respiratory siphon, is arranged with hot-wire coil in armature block;First plug and the second plug can block the respiratory siphon above sliding block and the respiratory siphon below sliding block respectively;A heating plate is provided in mounting base, heating plate, hot-wire coil are connected with a power supply, and a humidity sensor is provided in silicone rubber cover, and humidity sensor is connected with a controller, and controller is connected with heating plate, hot-wire coil.The present invention has many advantages, such as automatically to dehumidify to respirator.

Description

A kind of transformer breather of automatic dehumidifying
Technical field
The invention belongs to electrical equipment technical fields, are related to a kind of transformer breather of automatic dehumidifying.
Background technique
Transformer breather is an indispensable components on transformer equipment, and main function is to filter and be absorbed into Enter the moisture and impurity in inside transformer air, to guarantee the quality of transformer oil;Current transformer breather structure It mainly include shell, shell is provided with discoloration silica gel absorber, and the top of shell is equipped with connecting flange, and the bottom of shell was equipped with Filter the gas-filtering device for the gas being externally entering in housing cavity.
There are the following problems for existing respirator:
1, when the silica gel arrival for storing moisture is a certain amount of, soaking effect gradually weakens until disappearance, needs work Make personnel to replace silica gel, ideally, the silica gel after replacement uses herein after needing drying, still, due to dismounting Cost of labor it is larger, and silica gel reduced performance after use, comprehensively consider under, it is general not to reuse, cause silica gel Utilization rate is lower, operation and maintenance higher cost;
2, under the conditions of varying environment, different geographical, Different climate, the period that silica gel reaches replacement condition is different, causes pipe Reason difficulty is big, and making transformer, there are security risks;
Although 3, respirator overall structure is simple, dismounting process simultaneously it is few, due to respirator to sealing requirements compared with There is respirator and tear open in height, and connector aging, the reasons such as get rusty along with transformer is typically in liftoff higher position Fill process it is few, but dismounting require it is high, dismounting worker it is time-consuming and laborious the problems such as, often result in the feelings that respirator is integrally scrapped Condition;
4, respirator plays very crucial effect to wet type transformer, still, since there are more management for respirator Problem, technical problem and maintenance problems, make wet type transformer application there are some potential safety problemss, especially for remote mountain Area etc..
How to enable respirator in the case where exempting to tear open, dehumidify to silica gel, to improve the utilization rate of silica gel, improves The service life of respirator, the maintenance cost for reducing respirator is project important in electric system, and the application is derived from breathing The device technological break-through that the existing above problem carries out in actual use and technique improvement.
Summary of the invention
In view of the above problems existing in the prior art, the purpose of the present invention is to provide a kind of transformers of automatic dehumidifying to exhale Haustorium, the technical problem to be solved by the present invention is to so that the silica gel particle in respirator is removed automatically as needed It is wet.
Object of the invention can be realized by the following technical scheme: a kind of transformer breather of automatic dehumidifying, special Sign is, this respirator includes connecting flange, silicone rubber cover, lubricating cup and respiratory siphon, and the upper and lower ends of the respiratory siphon are respectively and even Acting flange is connected with lubricating cup, is tightly connected between the upper end and connecting flange of the silicone rubber cover, the lower end of the silicone rubber cover passes through One mounting base is connected with lubricating cup, is tightly connected between the mounting base and lubricating cup and silicone rubber cover;The company of offering in the mounting base The oil-through-hole of logical lubricating cup and silicone rubber cover inner cavity;Silica gel particle is filled in the silicone rubber cover;
The upper surface of the connecting flange has an installing port, and the fixation that an annular is fixedly installed in the installing port is close Closing disk is inserted with an inserted link in the respiratory siphon, and the upper end of the inserted link is fixedly installed the work below fixing seal disk Dynamic sealing disk, the lower surface of the fixing seal disk are provided with several link blocks, and the upper surface of the movable sealing disk is provided with With the one-to-one sealing hole of link block, the link block can be plugged in corresponding sealing hole;
A through slot for passing through respiratory siphon radial line is offered on the respiratory siphon, being laterally inserted in the through slot can be logical The sliding block of longitudinal sliding motion in slot, the outer rim of the sliding block upper surface are provided with an irony suction block, be provided on the respiratory siphon with Irony suction block corresponding armature block is arranged with hot-wire coil in the armature block;
The first plug and the second plug for being located at sliding block or more two sides are provided on the inserted link, described first is stifled Head and the second plug can block the respiratory siphon above sliding block and the respiratory siphon below sliding block respectively;
A heating plate is provided in the mounting base, the heating plate, hot-wire coil are connected with a power supply, the silica gel A humidity sensor is provided in cover, the humidity sensor is connected with a controller, the controller and heating plate, live wire Circle is connected;
The upper and lower ends of the respiratory siphon are open, and the lower end of the respiratory siphon is stretched out except lubricating cup.
In a kind of transformer breather of above-mentioned automatic dehumidifying, an Openworks shape is fixedly installed in the respiratory siphon Supporting block is fixedly installed a guide cylinder in the supporting block, and the lower end of the inserted link is plugged in guide cylinder, the guide cylinder A reset spring is connected between the second plug.
In a kind of transformer breather of above-mentioned automatic dehumidifying, a deflector is fixedly installed in the silicone rubber cover, The deflector is fixedly linked with breathing pipe outer wall, and the deflector covers the upper end opening of silicone rubber cover, the deflector Longitudinal cross-section is V-shaped, and the armature block is fixed on the downside of deflector;In the silica gel particle filling below pod In silicone rubber cover.
In a kind of transformer breather of above-mentioned automatic dehumidifying, a bracket, institute are fixedly installed on the respiratory siphon It states bracket to be connected with connecting flange, the bracket includes the disc that several circumferential directions are evenly distributed in breathing pipe outer wall, each spoke There is gap between plate.
In a kind of transformer breather of above-mentioned automatic dehumidifying, a limit stop ring, institute are provided in the installing port It states fixing seal disk to be located on limit stop ring, the circlip being provided in the installing port above fixing seal disk.
Limit stop ring and circlip fold fixed function to fixing seal, easy to disassemble, and fixed block uses the side of tight fit Formula is fixed on connecting flange.
In a kind of transformer breather of above-mentioned automatic dehumidifying, it is provided with a sealing shroud on the outside of the sliding block, it is described Armature block can be plugged in sealing shroud.
When sealing shroud can make armature block adsorb irony suction block, the gap between armature block and irony suction block is carried out close Envelope, the sealing of link block and sealing hole carry out a resealing, and sealing shroud carries out two resealings, it is ensured that in the state of heating, heat Vapor will not enter in transformer from respiratory siphon upper end.
In a kind of transformer breather of above-mentioned automatic dehumidifying, the lower end of the respiratory siphon has a contraction flow region.
The presence of contraction flow region can avoid foreign matter from entering, can also play water seal to a certain extent as far as possible Effect, keeps the leakproofness of respiratory siphon higher.
In a kind of transformer breather of above-mentioned automatic dehumidifying, the lower surface of the deflector is coated with heat reflection painting Material.
The heat emission coating can make the shield heat away on the inside of deflector to a certain extent, make heating plate in heating process In, the upper surface temperature of deflector and the temperature difference of lower surface are larger, so that it is cold to assemble vapor in the lower surface of deflector It is solidifying, so that moisture be made quickly to be discharged from respiratory siphon lower section in a manner of water droplet.
The heat reflection coatings can be that heat reflection disclosed in the Chinese patent of Patent No. [CN201610487263.9] applies Material is also possible to other conventional heat emission coating of market purchasing.
In a kind of transformer breather of above-mentioned automatic dehumidifying, the lubricating cup and silicone rubber cover are transparent organic glass Glass is made.
The lubricating cup and silicone rubber cover of transparent material, the sight in order to staff to oil mass in lubricating cup and silica gel particle humidity It examines.
Working principle:
Under respirator normal operating conditions: reset spring pre-tightens sliding block, and sliding block is made to be located at the bottom of through slot, the Two plugs block the upper end opening of respiratory siphon lower semisection, and silicone rubber cover can not carry out gas exchanges with the external world;In lubricating cup, silicone rubber cover Chamber, through slot, breathing tube cavity, sealing hole, installing port form respiration channel, and the vapor in transformer can be inhaled by silica gel particle It is attached.
Under dehumidified state: when humidity sensor detects that humidity reaches dehumidifying setting value in silicone rubber cover, controller is to heating Plate and hot-wire coil act on simultaneously, and heating plate in silicone rubber cover to heating, and at the same time, armature block adsorbs irony suction block, make Sliding block is moved up along through slot, and the second plug opens the upper end opening of respiratory siphon lower semisection, and the first plug blocks respiratory siphon upper semisection Lower ending opening, at the same time, movable sealing disk move up, and link block plug for seal hole makes to completely cut off between silicone rubber cover and installing port, become Depressor does not carry out gas exchanges with silicone rubber cover inner cavity, and with the promotion of silicone rubber cover inner cavity temperature, the moisture in silica gel particle is formed Vapor successively passes through respiratory siphon lower semisection and is expelled in atmosphere, after plate to be heated is heated to setting time, stops, and still, leads to Electric coil continues to be powered, until silica gel case temperature is reduced to room temperature, extraneous dry gas can supplement silicone rubber cover internal cause temperature drop The low gas for forming negative pressure and needing, is able to enter external dry gas in silicone rubber cover, leads at this point, disconnecting to hot-wire coil Electricity makes respirator working condition back to normal.
Detailed description of the invention
Fig. 1 is the schematic perspective view of this respirator.
Fig. 2 is the schematic perspective view under another visual angle of this respirator.
Fig. 3 is the longitudinal sectional view of this respirator.
Fig. 4 is the enlarged drawing of part A in Fig. 3.
Fig. 5 is the enlarged drawing of part B in Fig. 3.
Fig. 6 is the cross-sectional view of respiratory siphon in this respirator.
In figure, 11, acting flange;12, silicone rubber cover;13, lubricating cup;14, respiratory siphon;141, contraction flow region;15, oil-through-hole;16, pacify Fill mouth;17, mounting base;21, fixing seal disk;22, inserted link;23, movable sealing disk;24, link block;25, sealing hole;31, lead to Slot;32, sliding block;33, irony suction block;34, armature block;35, the first plug;36, the second plug;37, heating plate;41, supporting block; 42, guide cylinder;43, reset spring;5, deflector;6, disc;71, limit stop ring;72, circlip;8, sealing shroud.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described, However, the present invention is not limited to these examples.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, this respirator includes connecting flange 11, silicone rubber cover 12, lubricating cup 13 and exhales Suction pipe 14, the upper and lower ends of respiratory siphon 14 are connected with connecting flange 11 and lubricating cup 13 respectively, the upper end of silicone rubber cover 12 and connection method Be tightly connected between orchid 11, the lower end of silicone rubber cover 12 is connected by a mounting base 17 with lubricating cup 13, mounting base 17 and lubricating cup 13 and It is tightly connected between silicone rubber cover 12;The oil-through-hole 15 of connection lubricating cup 13 and 12 inner cavity of silicone rubber cover is offered in mounting base 17;Silica gel Silica gel particle is filled in cover 12;
The upper surface of connecting flange 11 has an installing port 16, and the fixing seal of an annular is fixedly installed in installing port 16 Disk 21, an inserted link 22 is inserted in respiratory siphon 14, and the upper end of inserted link 22 is fixedly installed the work positioned at 21 lower section of fixing seal disk Dynamic sealing disk 23, the lower surface of fixing seal disk 21 are provided with several link blocks 24, and the upper surface of movable sealing disk 23 is provided with With the one-to-one sealing hole 25 of link block 24, link block 24 can be plugged in corresponding sealing hole 25;
A through slot 31 for passing through 14 radial line of respiratory siphon is offered on respiratory siphon 14, being laterally inserted in through slot 31 can be logical The sliding block 32 of longitudinal sliding motion in slot 31, the outer rim of 32 upper surface of sliding block are provided with an irony suction block 33, are provided on respiratory siphon 14 Armature block 34 corresponding with irony suction block 33 is arranged with hot-wire coil in armature block 34;
The first plug 35 and the second plug 36 for being located at about 32 two sides of sliding block are provided on inserted link 22, first is stifled First 35 and second plug 36 can block respiratory siphon 14 above sliding block 32 and the respiratory siphon positioned at 32 lower section of sliding block respectively 14;
A heating plate 37 is provided in mounting base 17, heating plate 37, hot-wire coil are connected with a power supply, in silicone rubber cover 12 It is provided with a humidity sensor, humidity sensor is connected with a controller, and controller is connected with heating plate 37, hot-wire coil;
The upper and lower ends of respiratory siphon 14 are open, and the lower end of respiratory siphon 14 is stretched out except lubricating cup 13.
It is fixedly installed the supporting block 41 of an Openworks shape in respiratory siphon 14, is fixedly installed a guide cylinder in supporting block 41 42, the lower end of inserted link 22 is plugged in guide cylinder 42, and a reset spring 43 is connected between guide cylinder 42 and the second plug 36.
A deflector 5 is fixedly installed in silicone rubber cover 12, deflector 5 is fixedly linked with 14 outer wall of respiratory siphon, and deflector 5 will The upper end opening of silicone rubber cover 12 covers, and the longitudinal cross-section of deflector 5 is V-shaped, and armature block 34 is fixed on the downside of deflector 5 On;In silicone rubber cover 12 in silica gel particle filling below pod.
As shown in fig. 6, being fixedly installed a bracket on respiratory siphon 14, bracket is connected with connecting flange 11, if bracket includes Dry root is circumferentially evenly distributed on the disc 6 on 14 outer wall of respiratory siphon, has gap between each disc 6.
A limit stop ring 71 is provided in installing port 16, fixing seal disk 21 is located on limit stop ring 71, installing port 16 The circlip 72 being inside provided with above fixing seal disk 21.Limit stop ring 71 and circlip 72 play fixation to fixing seal disk 21 Effect, easy to disassemble, fixed block is fixed on connecting flange 11 by the way of tight fit.
A sealing shroud 8 is provided on the outside of sliding block 32, armature block 34 can be plugged in sealing shroud 8.Sealing shroud 8 can make to hold in the mouth When iron block 34 adsorbs irony suction block 33, the gap between armature block 34 and irony suction block 33 is sealed, link block 24 and close The sealing of sealing of hole 25 carries out a resealing, and sealing shroud 8 carries out two resealings, it is ensured that in the state of heating, hot vapor is not It can enter in transformer from 14 upper end of respiratory siphon.
The lower end of respiratory siphon 14 has a contraction flow region 141.The presence of contraction flow region 141 can avoid foreign matter as far as possible Into can also play the role of water seal to a certain extent, keep the leakproofness of respiratory siphon 14 higher.
The lower surface of deflector 5 is coated with heat reflection coatings.The heat emission coating can make to a certain extent in deflector 5 The shield heat away of side makes heating plate 37 during heating, and the upper surface temperature of deflector 5 and the temperature difference of lower surface are larger, To make vapor assemble condensation in the lower surface of deflector 5, to make moisture in a manner of water droplet quickly under respiratory siphon 14 Section discharge.
The heat reflection coatings can be that heat reflection disclosed in the Chinese patent of Patent No. [CN201610487263.9] applies Material is also possible to other conventional heat emission coating of market purchasing.
Lubricating cup 13 and silicone rubber cover 12 are that transparent organic glass is made.The lubricating cup 13 and silicone rubber cover 12 of transparent material, with Observation convenient for staff to oil mass and silica gel particle humidity in lubricating cup 13.
Working principle as Fig. 3, Fig. 4 and Fig. 5 can be seen that this respirator is as follows:
Under respirator normal operating conditions: reset spring 43 pre-tightens sliding block 32, and sliding block 32 is made to be located at through slot 31 Bottom, the second plug 36 block the upper end opening of 14 lower semisection of respiratory siphon, and silicone rubber cover 12 can not carry out gas friendship with the external world It changes;Lubricating cup 13,12 inner cavity of silicone rubber cover, through slot 31,14 inner cavity of respiratory siphon, sealing hole 25, installing port 16 form respiration channel, transformation Vapor in device can be adsorbed by silica gel particle.
Under dehumidified state: when humidity sensor detects in silicone rubber cover 12 that humidity reaches dehumidifying setting value, controller is to adding Hot plate 37 and hot-wire coil act on simultaneously, and heating plate 37 in silicone rubber cover 12 to heating, and at the same time, armature block 34 adsorbs iron Matter suction block 33 moves up sliding block 32 along through slot 31, and the second plug 36 opens the upper end opening of 14 lower semisection of respiratory siphon, the first plug The lower ending opening of 35 blocking 14 upper semisections of respiratory siphon, at the same time, movable sealing disk 23 moves up, 24 plug for seal hole of link block 25, make to completely cut off between silicone rubber cover 12 and installing port 16, transformer does not carry out gas exchanges with 12 inner cavity of silicone rubber cover, with silicone rubber cover The promotion of 12 inner cavity temperature, the moisture in silica gel particle, which forms vapor, successively to be passed through 14 lower semisection of respiratory siphon and is expelled to atmosphere In, after plate to be heated 37 is heated to setting time, stop, still, hot-wire coil continues to be powered, until temperature reduces in silicone rubber cover 12 To room temperature, extraneous dry gas can supplement the gas needed due to temperature reduces and to form negative pressure in silicone rubber cover 12, make external dry Pathogenic dryness body is able to enter in silicone rubber cover 12, at this point, disconnecting the energization to hot-wire coil, makes respirator working condition back to normal.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.

Claims (9)

1. a kind of transformer breather of automatic dehumidifying, which is characterized in that this respirator includes connecting flange (11), silicone rubber cover (12), lubricating cup (13) and respiratory siphon (14), the upper and lower ends of the respiratory siphon (14) respectively with connecting flange (11) and lubricating cup (13) it is connected, is tightly connected between the upper end and connecting flange (11) of the silicone rubber cover (12), the lower end of the silicone rubber cover (12) It is connected by a mounting base (17) with lubricating cup (13), the company of sealing between the mounting base (17) and lubricating cup (13) and silicone rubber cover (12) It connects;The oil-through-hole (15) of connection lubricating cup (13) and silicone rubber cover (12) inner cavity is offered on the mounting base (17);The silicone rubber cover (12) silica gel particle is filled in;
The upper surface of the connecting flange (11) has an installing port (16), and an annular is fixedly installed in the installing port (16) Fixing seal disk (21), is inserted with an inserted link (22) in the respiratory siphon (14), the upper end fixed setting of the inserted link (22) There is the movable sealing disk (23) being located at below fixing seal disk (21), the lower surface of the fixing seal disk (21) is provided with several Link block (24), the upper surface of the movable sealing disk (23) is provided with and link block (24) one-to-one sealing hole (25), The link block (24) can be plugged in corresponding sealing hole (25);
A through slot (31) for passing through respiratory siphon (14) radial line is offered on the respiratory siphon (14), is laterally inserted in the through slot (31) It is inhaled equipped with an irony can be provided in the sliding block (32) of through slot (31) interior longitudinal sliding motion, the outer rim of sliding block (32) upper surface Block (33), is provided with armature block (34) corresponding with irony suction block (33) on the respiratory siphon (14), on the armature block (34) It is arranged with hot-wire coil;
The first plug (35) and the second plug for being located at sliding block (32) two sides up and down are provided on the inserted link (22) (36), first plug (35) and the second plug (36) can block respectively respiratory siphon (14) above sliding block (32) and Respiratory siphon (14) below sliding block (32);
It being provided with a heating plate (37) on the mounting base (17), the heating plate (37), hot-wire coil are connected with a power supply, A humidity sensor is provided in the silicone rubber cover (12), the humidity sensor is connected with a controller, the controller and Heating plate (37), hot-wire coil are connected;
The upper and lower ends of the respiratory siphon (14) are open, and the lower end of the respiratory siphon (14) is stretched out except lubricating cup (13).
2. a kind of transformer breather of automatic dehumidifying according to claim 1, which is characterized in that in the respiratory siphon (14) It is fixedly installed the supporting block (41) of an Openworks shape, is fixedly installed a guide cylinder (42) on the supporting block (41), it is described to insert The lower end of bar (22) is plugged in guide cylinder (42), is connected with a reset bullet between the guide cylinder (42) and the second plug (36) Spring (43).
3. a kind of transformer breather of automatic dehumidifying according to claim 1 or claim 2, which is characterized in that the silicone rubber cover (12) it is fixedly installed a deflector (5) in, the deflector (5) is fixedly linked with respiratory siphon (14) outer wall, the deflector (5) upper end opening of silicone rubber cover (12) is covered, the longitudinal cross-section of the deflector (5) is V-shaped, and the armature block (34) is fixed On the downside of deflector (5);In silicone rubber cover (12) in the silica gel particle filling below pod.
4. a kind of transformer breather of automatic dehumidifying according to claim 1 or claim 2, which is characterized in that the respiratory siphon (14) bracket is fixedly installed on, the bracket is connected with connecting flange (11), and the bracket includes that several circumferential directions are uniform The disc (6) being distributed on respiratory siphon (14) outer wall has gap between each disc (6).
5. a kind of transformer breather of automatic dehumidifying according to claim 1, which is characterized in that in the installing port (16) It is provided with a limit stop ring (71), the fixing seal disk (21) is located on limit stop ring (71), in the installing port (16) It is provided with the circlip (72) being located above fixing seal disk (21).
6. a kind of transformer breather of automatic dehumidifying according to claim 1 or claim 2, which is characterized in that the sliding block (32) Outside is provided with a sealing shroud (8), and the armature block (34) can be plugged in sealing shroud (8).
7. a kind of transformer breather of automatic dehumidifying according to claim 1 or claim 2, which is characterized in that the respiratory siphon (14) lower end has a contraction flow region (141).
8. a kind of transformer breather of automatic dehumidifying according to claim 3, which is characterized in that the deflector (5) Lower surface is coated with heat reflection coatings.
9. a kind of transformer breather of automatic dehumidifying according to claim 1 or claim 2, which is characterized in that the lubricating cup (13) It is that transparent organic glass is made with silicone rubber cover (12).
CN201810861416.0A 2018-08-01 2018-08-01 A kind of transformer breather of automatic dehumidifying Pending CN109003789A (en)

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CN110504087A (en) * 2019-09-23 2019-11-26 国网湖北省电力公司咸宁供电公司 The regeneration method of silica gel in a kind of respirator for transformer and respirator
CN110634651A (en) * 2019-09-23 2019-12-31 国网湖北省电力公司咸宁供电公司 Transformer respirator and regeneration method of silica gel in respirator

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KR20150073891A (en) * 2015-04-30 2015-07-01 주식회사 신흥전력 Respiratory-mounted drying power transformer
TWM525528U (en) * 2015-12-31 2016-07-11 Fortune Electric Co Ltd Air breath dryer
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110504087A (en) * 2019-09-23 2019-11-26 国网湖北省电力公司咸宁供电公司 The regeneration method of silica gel in a kind of respirator for transformer and respirator
CN110634651A (en) * 2019-09-23 2019-12-31 国网湖北省电力公司咸宁供电公司 Transformer respirator and regeneration method of silica gel in respirator

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