CN208861781U - A kind of dehumidification device in transformer breather - Google Patents
A kind of dehumidification device in transformer breather Download PDFInfo
- Publication number
- CN208861781U CN208861781U CN201821232484.2U CN201821232484U CN208861781U CN 208861781 U CN208861781 U CN 208861781U CN 201821232484 U CN201821232484 U CN 201821232484U CN 208861781 U CN208861781 U CN 208861781U
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- China
- Prior art keywords
- respiratory siphon
- block
- silicone rubber
- rubber cover
- sliding block
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Abstract
The utility model provides the dehumidification device in a kind of transformer breather, belongs to electrical equipment technical field.Respirator includes connecting flange, silicone rubber cover, lubricating cup and respiratory siphon, 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;The first plug and the second plug for being located at sliding block or more two sides are provided on inserted link, the first plug and the second plug can block the respiratory siphon above sliding block and the respiratory siphon below sliding block respectively;It is provided with a heating plate in mounting base, a humidity sensor is provided in silicone rubber cover.The utility model has many advantages, such as efficiently, automatically to dehumidify to respirator.
Description
Technical field
The utility model belongs to electrical equipment technical field, the dehumidification device being related in a kind of transformer breather.
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
The purpose of this utility model is aiming at the above problems existing in the prior art, to provide in a kind of transformer breather
Dehumidification device, technical problem to be solved in the utility model is how under the premise of free removal, to the silicon in respirator
Glue particle dehumidifies.
The purpose of this utility model can be realized by the following technical scheme: the dehumidifying dress in a kind of transformer breather
It sets, which is characterized in that respirator includes connecting flange, silicone rubber cover, lubricating cup and respiratory siphon, the upper and lower ends difference of the respiratory siphon
It is connected with connecting flange and 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
It is connected by a mounting base with lubricating cup, is tightly connected between the mounting base and lubricating cup and silicone rubber cover;It is opened up in the mounting base
There is the oil-through-hole of connection lubricating cup and silicone rubber cover inner cavity;Silica gel particle is filled in the silicone rubber cover;
This dehumidification device includes the installing port that the upper surface of connecting flange is arranged in, and is fixedly installed one in the installing port
The fixing seal disk of annular, is inserted with an inserted link in the respiratory siphon, and the upper end of the inserted link is fixedly installed that be located at fixation close
Movable sealing disk below closing disk, the lower surface of the fixing seal disk are provided with several link blocks, the movable sealing disk
Upper surface is provided with can be plugged in corresponding sealing hole with the one-to-one sealing hole of link block, the link block;
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;
It is provided with a heating plate in the mounting base, a humidity sensor is provided in the silicone rubber cover;
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 the dehumidification device in a kind of above-mentioned transformer breather, an Openworks shape is fixedly installed in the respiratory siphon
Supporting block, be fixedly installed a guide cylinder in the supporting block, the lower end of the inserted link is plugged in guide cylinder, the guiding
A reset spring is connected between cylinder and the second plug.
In the dehumidification device in a kind of above-mentioned transformer breather, a water conservancy diversion is fixedly installed in the silicone rubber cover
Plate, the deflector are fixedly linked with breathing pipe outer wall, and the deflector covers the upper end opening of silicone rubber cover, the deflector
Longitudinal cross-section it is V-shaped, the armature block is fixed on the downside of deflector;In the silica gel particle filling below pod
Silicone rubber cover in.
In the dehumidification device in a kind of above-mentioned transformer breather, a bracket is fixedly installed on the respiratory siphon,
The bracket is connected with connecting flange, and the bracket includes the disc that several circumferential directions are evenly distributed in breathing pipe outer wall, respectively
There is gap between disc.
In the dehumidification device in a kind of above-mentioned transformer breather, a limit stop ring is provided in the installing port,
The fixing seal disk is located on limit stop ring, the circlip being provided with above fixing seal disk in the installing port.
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 the dehumidification device in a kind of above-mentioned transformer breather, a sealing shroud, institute are provided on the outside of the sliding block
Stating 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 the dehumidification device in a kind of above-mentioned transformer breather, 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 the dehumidification device in a kind of above-mentioned transformer breather, 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.
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
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model 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.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (7)
1. the dehumidification device in a kind of transformer breather, which is characterized in that 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;
This dehumidification device includes installing port (16) of the setting in the upper surface of connecting flange (11), is fixed in the installing port (16)
It is provided with the fixing seal disk (21) of an annular, is inserted with an inserted link (22) in the respiratory siphon (14), the inserted link (22)
Upper end is fixedly installed the movable sealing disk (23) below fixing seal disk (21), the following table of the fixing seal disk (21)
Face is provided with several link blocks (24), and the upper surface of the movable sealing disk (23) is provided with one-to-one with link block (24)
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 is provided with a heating plate (37) on the mounting base (17), is provided with a humidity sensor in the silicone rubber cover (12);
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);
It is fixedly installed the supporting block (41) of an Openworks shape in the respiratory siphon (14), is fixedly installed on the supporting block (41)
One guide cylinder (42), the lower end of the inserted link (22) are plugged in guide cylinder (42), the guide cylinder (42) and the second plug
(36) reset spring (43) are connected between.
2. the dehumidification device in a kind of transformer breather according to claim 1, which is characterized in that the silicone rubber cover (12)
It is inside fixedly installed a deflector (5), the deflector (5) is fixedly linked with respiratory siphon (14) outer wall, and the deflector (5) will
The upper end opening of silicone rubber cover (12) covers, and the longitudinal cross-section of the deflector (5) is V-shaped, and the armature block (34), which is fixed on, leads
On the downside of flowing plate (5);In silicone rubber cover (12) in the silica gel particle filling below pod.
3. the dehumidification device in a kind of transformer breather 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).
4. the dehumidification device in a kind of transformer breather according to claim 1 or claim 2, which is characterized in that the installing port
(16) it is provided with a limit stop ring (71) in, the fixing seal disk (21) is located on limit stop ring (71), the installing port
(16) circlip (72) being provided in above fixing seal disk (21).
5. the dehumidification device in a kind of transformer breather 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).
6. the dehumidification device in a kind of transformer breather according to claim 1 or claim 2,
It is characterized in that, the lower end of the respiratory siphon (14) has a contraction flow region (141).
7. the dehumidification device in a kind of transformer breather according to claim 2, which is characterized in that the deflector (5)
Lower surface be coated with heat reflection coatings.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821232484.2U CN208861781U (en) | 2018-08-01 | 2018-08-01 | A kind of dehumidification device in transformer breather |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821232484.2U CN208861781U (en) | 2018-08-01 | 2018-08-01 | A kind of dehumidification device in transformer breather |
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Publication Number | Publication Date |
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CN208861781U true CN208861781U (en) | 2019-05-14 |
Family
ID=66413640
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CN201821232484.2U Expired - Fee Related CN208861781U (en) | 2018-08-01 | 2018-08-01 | A kind of dehumidification device in transformer breather |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109036792A (en) * | 2018-08-01 | 2018-12-18 | 湖北科技学院 | A kind of dehumidification device in transformer breather |
CN110136930A (en) * | 2019-06-18 | 2019-08-16 | 国网四川省电力公司乐山供电公司 | A kind of Novel respirator based on transformer application |
-
2018
- 2018-08-01 CN CN201821232484.2U patent/CN208861781U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109036792A (en) * | 2018-08-01 | 2018-12-18 | 湖北科技学院 | A kind of dehumidification device in transformer breather |
CN110136930A (en) * | 2019-06-18 | 2019-08-16 | 国网四川省电力公司乐山供电公司 | A kind of Novel respirator based on transformer application |
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GR01 | Patent grant | ||
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190514 Termination date: 20210801 |
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CF01 | Termination of patent right due to non-payment of annual fee |