CN105632707B - A kind of transformer oil filter oil inlet and outlet commutating structure - Google Patents
A kind of transformer oil filter oil inlet and outlet commutating structure Download PDFInfo
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- CN105632707B CN105632707B CN201510998009.0A CN201510998009A CN105632707B CN 105632707 B CN105632707 B CN 105632707B CN 201510998009 A CN201510998009 A CN 201510998009A CN 105632707 B CN105632707 B CN 105632707B
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- 239000012530 fluid Substances 0.000 claims description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 17
- 230000008676 import Effects 0.000 claims description 11
- 230000005484 gravity Effects 0.000 claims description 9
- 229910052742 iron Inorganic materials 0.000 claims description 8
- 101100146536 Picea mariana RPS15 gene Proteins 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The present invention relates to a kind of transformer oil filter oil inlet and outlet commutating structure, it includes transformer, oil filter, oil tank A, oil tank B, the first solenoid valve block, the second solenoid valve block, the 3rd solenoid valve block, the first pipeline, the second pipeline, the 3rd pipeline, the 4th pipeline, the first in-line, the first outlet line, the second in-line, the second outlet line and the 5th pipeline；First solenoid valve block is 3-position-3-way double control electromagnetic reversal valve, and the second solenoid valve block is 3-position 4-way double control electromagnetic reversal valve, and the 3rd solenoid valve block is 3-position 4-way double control electromagnetic reversal valve, in addition to circuit devcie；Compact conformation of the present invention, working environment clean hygiene, operation intelligence is convenient, greatly improves operating efficiency, with low cost, it is easy to accomplish, exempt from dismounting, be adapted to large-scale promotion.
Description
Technical field
The present invention relates to a kind of transformer oil filter oil inlet and outlet commutating structure, it is related to transformer and changes oil servicing unit.
Background technology
Transformer is power system nucleus equipment, is responsible for the supply of electric power of certain area.Oil filter is transformer overhaul
Necessary equipment, is responsible for and removes the functions such as oil, oil return, filtering, vacuum oil.Transformer oil filter connect transformer and oil storage tank it
Between, it is daily during overhaul at least once to be removed oil and oil return work, that is, the every workday is at least once entered fuel-displaced
Mouth is switched, to make transformer oil shift to another memory space from a memory space.Because the pipeline being connected with oil filter is residual
Oil can not be excluded effectively, cause oil pollution operating environment in commutation process, dirty work clothes, the event of etching insulative footwear
Often there is generation.Each oil inlet and outlet, which is switched, all to be needed to remove many bolts, carries long pipe road, time-consuming, effort, or even influence work
Progress.
It is general only to use an oil tank when changing oil, one enter, one go out, by oil filter, transformer insulated performance boost, summary
The low oil of the quality in transformer oil and tank that take a favorable turn is mixed, and oil product filter efficiency is very low.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of rational in infrastructure, and with low cost, working environment is clean and becomes
Depressor oil filter oil inlet and outlet commutating structure.
To solve the above problems, the technical solution used in the present invention is：
Of the invention it includes transformer, oil filter, oil tank A, oil tank B, the first solenoid valve block, the second solenoid valve block, the 3rd
Solenoid valve block, the first pipeline, the second pipeline, the 3rd pipeline, the 4th pipeline, the first in-line, the first outlet line, second enter
Oil pipe line, the second outlet line and the 5th pipeline；
The transformer hydraulic fluid port d of transformer is connected by the first pipeline with the first oil inlet f of the first solenoid valve block, the first electricity
First main oil-out e1 of magnet valve group is connected by the second pipeline with the second main oil inlet o1 of the second solenoid valve block, the second electromagnetism
Second oil-out p of valve group is connected by the 3rd pipeline with the triple feed inlet c1 of oil filter, and the 3rd outlet c2 of oil filter passes through
4th pipeline is connected with the 3rd oil inlet u of the 3rd solenoid valve block, and the 3rd pair oil-out v2 of the 3rd solenoid valve block passes through first
Outlet line is connected with oil tank A the first import a1, and oil tank A first outlet a2 passes through the first in-line and the second magnetic valve
The secondary oil inlet o2 connections of the second of group, the 3rd main oil-out v1 of the 3rd solenoid valve block passes through the 5th pipeline and the first solenoid valve block
The first secondary oil-out e2 connections, the 3rd branch hydraulic fluid port v3 of the 3rd solenoid valve block pass through the second outlet line and oil tank B the
Two import b1 are connected, and oil tank B second outlet b2 passes through the second in-line and the second side oil inlet o3 of the second solenoid valve block
Connection.
Further, the first solenoid valve block is 3-position-3-way double control electromagnetic reversal valve, and the second solenoid valve block is that 3-position 4-way is double
Solenoid directional control valve is controlled, the 3rd solenoid valve block is 3-position 4-way double control electromagnetic reversal valve.
Further, in addition to circuit devcie, the circuit devcie include being connected in parallel on the tie point of both ends of power, second
Road and the 3rd branch road；
Tie point include the first main switch SB11, the first linked switch SB12 and in the first solenoid valve block the
One control coil KA1 and the second control coil KA2；First linked switch SB12 normally closed interlock and the first control coil KA1 go here and there
The first main branch is formed after connection, the first linked switch SB12 normally open contact forms first after being connected with the second control coil KA2
Auxiliary branch road, connects after the first auxiliary branch road is in parallel with the first main branch with the first main switch SB11；
Second branch road include the second main switch SB21, the second linked switch SB22 and in the second solenoid valve block the
Three control coil KB1 and the 4th control coil KB2；Second linked switch SB22 normally closed interlock and the 3rd control coil KB1 go here and there
The second main branch is formed after connection, the second linked switch SB22 normally open contact forms second after being connected with the 4th control coil KB2
Auxiliary branch road, connects after the second auxiliary branch road is in parallel with the second main branch with the second main switch SB21；
3rd branch road include the 3rd main switch SB31, the 3rd linked switch SB32 and in the 3rd solenoid valve block the
Five control coil KC1 and the 6th control coil KC2；3rd linked switch SB32 normally closed interlock and the 5th control coil KC1 go here and there
The 3rd main branch is formed after connection, the 3rd linked switch SB32 normally open contact forms the 3rd after being connected with the 6th control coil KC2
Auxiliary branch road, connects after the 3rd auxiliary branch road is in parallel with the 3rd main branch with the 3rd main switch SB31.
Further, in addition to circuit devcie, the circuit devcie include being connected in parallel on the tie point of both ends of power, second
Road and the 3rd branch road；
Tie point include the first main switch SB11, the first linked switch SB12 and in the first solenoid valve block the
One control coil KA1 and the second control coil KA2；First linked switch SB12 normally closed interlock and the first control coil KA1 go here and there
The first main branch is formed after connection, the first linked switch SB12 normally open contact forms first after being connected with the second control coil KA2
Auxiliary branch road, connects after the first auxiliary branch road is in parallel with the first main branch with the first main switch SB11；
Second branch road includes the second main switch SB21, the second linked switch SB22, the second auxiliary switch SB23, buoyancy switch
SB24 and the 3rd control coil KB1 and the 4th control coil KB2 in the second solenoid valve block；
3rd control coil KB1 and the 4th control coil KB2 is connected in parallel, buoyancy switch SB24 the first contact m1 and
It is connected in series after two linked switch SB22 normally closed interlock is in parallel with the 3rd control coil KB1, the second of buoyancy switch SB24 touches
It is connected in series after point m2 is in parallel with the second linked switch SB22 normally open contact with the 4th control coil KB2, buoyancy switch SB24
The other end and the second auxiliary switch SB23 be connected in series to form the second collateral branch road, the second linked switch SB22 other end and second
Main switch SB21 is connected in series to form the first collateral branch road, and the second collateral branch road is connected in parallel with the first collateral branch road；
3rd branch road includes the 3rd main switch SB31, the 3rd linked switch SB32, the 3rd auxiliary switch SB33, buoyancy switch
SB34 and the 5th control coil KC1 and the 6th control coil KC2 in the 3rd solenoid valve block；
5th control coil KC1 and the 6th control coil KC2 is connected in parallel, buoyancy switch SB34 the 3rd contact n1 and
It is connected in series after three linked switch SB32 normally closed interlock is in parallel with the 5th control coil KC1, the 4th of buoyancy switch SB34 touches
It is connected in series after point n2 is in parallel with the 3rd linked switch SB32 normally open contact with the 6th control coil KC2, buoyancy switch SB34
The other end and the 3rd auxiliary switch SB33 be connected in series to form the 4th collateral branch road, the 3rd linked switch SB32 other end and the 3rd
Main switch SB31 is connected in series to form the 3rd collateral branch road, and the collateral branch roads of the 3rd collateral branch Lu Yu tetra- are connected in parallel.
Further, buoyancy switch SB24 includes the leading truck being vertically arranged in oil tank A, and guiding is provided with leading truck
Frame, sets upper contact head and magnet in the upper end of leading truck, is provided with guide housing upper end corresponding with upper contact head and magnet
Upper iron plate, lower contact is provided with leading truck lower end, and lower conducting strip corresponding with lower contact is provided with guide housing lower end；Leading
Inframe is provided with buoyant spheres；
Guide housing is vertically mobile in leading truck to be set, and vertically movement is set buoyant spheres in guide housing
Put；
The gravity ＞ magnet of gravity+buoyant spheres of the buoyancy ＞ guide housings of buoyancy+buoyant spheres of guide housing and upper iron plate
The gravity of magnetic force ＞ guide housings；
Buoyancy switch SB24 is identical with buoyancy switch SB34 structures.
It is using the beneficial effect produced by above-mentioned technical proposal：
Compact conformation of the present invention, by using above-mentioned fluid pressure line, it is to avoid artificial alternately and repeatedly transfer to other use pipeline, working environment
Clean hygiene, operation intelligence is convenient, greatly improves operating efficiency, using oil tank A3 and oil tank B4 circulating filtrations back and forth,
Filter effect is improved, realization is thoroughly filtered comprehensively.By linked switch control, operating efficiency and as received basis are further improved
Amount, it is easy to use, naturally it is also possible to using control manually, artificial operation.Unmanned manipulation is realized, oil strain quality, design is improved
Advanced, compact conformation is rationally, with low cost, it is easy to accomplish, exempt from dismounting, be adapted to large-scale promotion.
Brief description of the drawings
Fig. 1 is the structured flowchart of the present invention.
Fig. 2 is the electrical structure block diagram of the embodiment of the present invention 1.
Fig. 3 is the electrical structure block diagram of the embodiment of the present invention 2.
Fig. 4 is the structural representation of buoyant spheres of the present invention.
Wherein：1st, transformer；2nd, oil filter；3rd, oil tank A；4th, oil tank B；5th, the first solenoid valve block；6th, the second solenoid valve block；
7th, the 3rd solenoid valve block；8th, the first pipeline；9th, the second pipeline；10th, the 3rd pipeline；11st, the 4th pipeline；12nd, the first in-line；
13rd, the first outlet line；14th, the second in-line；15th, the second outlet line；16th, the 5th pipeline；
First import a1, first outlet a2, the second import b1, second outlet b2, triple feed inlet c1, the 3rd outlet c2 become
The secondary oil-feeds of depressor hydraulic fluid port d, the first oil inlet f, the first main oil-out e1, first pair oil-out e2, the second main oil inlet o1, second
The mouth oil-out of o2, the second side oil inlet o3, second p, the 3rd main oil-out v1, the 3rd secondary oil-out v2, the 3rd branch hydraulic fluid port v3,
3rd oil inlet u；17th, buoyant spheres；18th, guide housing；19th, upper iron plate；20th, upper contact head；21st, lower conducting strip；22nd, lower contact；23、
Leading truck；24th, tie point；25th, the second branch road；26th, the 3rd branch road；27th, magnet.
Embodiment
As shown in figure 1, the present invention it include transformer 1, oil filter 2, oil tank A3, oil tank B4, the first solenoid valve block 5, the
Two solenoid valve blocks 6, the 3rd solenoid valve block 7, the first pipeline 8, the second pipeline 9, the 3rd pipeline 10, the 4th pipeline 11, the first oil-feed
Pipeline 12, the first outlet line 13, the second in-line 14, the second outlet line 15 and the 5th pipeline 16；
The transformer hydraulic fluid port d of transformer 1 is connected by the first pipeline 8 with the first oil inlet f of the first solenoid valve block 5, the
First main oil-out e1 of one solenoid valve block 5 is connected by the second pipeline 9 with the second main oil inlet o1 of the second solenoid valve block 6,
Second oil-out p of the second solenoid valve block 6 is connected by the 3rd pipeline 10 with the triple feed inlet c1 of oil filter 2, and the of oil filter 2
Three outlet c2 are connected by the 4th pipeline 11 with the 3rd oil inlet u of the 3rd solenoid valve block 7, and the 3rd of the 3rd solenoid valve block 7 is secondary
Oil-out v2 is connected by the first outlet line 13 with oil tank A3 the first import a1, and oil tank A3 first outlet a2 passes through first
In-line 12 is connected with the second pair oil inlet o2 of the second solenoid valve block 6, and the 3rd main oil-out v1 of the 3rd solenoid valve block 7 leads to
Cross the 5th pipeline 16 to connect with the first pair oil-out e2 of the first solenoid valve block 5, the 3rd branch hydraulic fluid port v3 of the 3rd solenoid valve block 7
Connected by the second outlet line 15 with oil tank B4 the second import b1, oil tank B4 second outlet b2 passes through the second in-line
14 connect with the second side oil inlet o3 of the second solenoid valve block 6.By using above-mentioned fluid pressure line, it is to avoid manually alternately and repeatedly rise
Pipeline is moved, working environment clean hygiene, operation intelligence is convenient, greatly improves operating efficiency, past using oil tank A3 and oil tank B4
Multiple multiple circulating filtration, improves filter effect, and realization is thoroughly filtered comprehensively.
Preferably, the first solenoid valve block 5 is 3-position-3-way double control electromagnetic reversal valve, the second solenoid valve block 6 is three four
Logical double control electromagnetic reversal valve, the 3rd solenoid valve block 7 is 3-position 4-way double control electromagnetic reversal valve.Opened as the technology for combining the present invention
Show, it would however also be possible to employ multiple valve groups are applied in combination to realize the function of corresponding solenoid valve block of the invention.For example with multiple two
Position threeway double control electromagnetic reversal valve, 2/2-way magnetic valve stack combinations.
Embodiment 1：As shown in Fig. 2 the present embodiment also includes circuit devcie, circuit devcie includes being connected in parallel on both ends of power
Tie point 24, the second branch road 25 and the 3rd branch road 26；
Tie point 24 includes the first main switch SB11, the first linked switch SB12 and in the first solenoid valve block 5
The first control coil KA1 and the second control coil KA2；First linked switch SB12 normally closed interlock and the first control coil
The first main branch is formed after KA1 series connection, the first linked switch SB12 normally open contact is formed after being connected with the second control coil KA2
First auxiliary branch road, connects after the first auxiliary branch road is in parallel with the first main branch with the first main switch SB11；
Second branch road 25 includes the second main switch SB21, the second linked switch SB22 and in the second solenoid valve block 6
The 3rd control coil KB1 and the 4th control coil KB2；Second linked switch SB22 normally closed interlock and the 3rd control coil
The second main branch is formed after KB1 series connection, the second linked switch SB22 normally open contact is formed after being connected with the 4th control coil KB2
Second auxiliary branch road, connects after the second auxiliary branch road is in parallel with the second main branch with the second main switch SB21；
3rd branch road 26 includes the 3rd main switch SB31, the 3rd linked switch SB32 and in the 3rd solenoid valve block 7
The 5th control coil KC1 and the 6th control coil KC2；3rd linked switch SB32 normally closed interlock and the 5th control coil
The 3rd main branch is formed after KC1 series connection, the 3rd linked switch SB32 normally open contact is formed after being connected with the 6th control coil KC2
3rd auxiliary branch road, connects after the 3rd auxiliary branch road is in parallel with the 3rd main branch with the 3rd main switch SB31.
By linked switch control, operating efficiency and work quality are further improved, it is easy to use, naturally it is also possible to use
Control manually, artificial operation.
Embodiment 2：As shown in Figure 3,4, the present embodiment also includes circuit devcie, and circuit devcie includes being connected in parallel on both ends of power
Tie point 24, the second branch road 25 and the 3rd branch road 26；
Tie point 24 includes the first main switch SB11, the first linked switch SB12 and in the first solenoid valve block 5
The first control coil KA1 and the second control coil KA2；First linked switch SB12 normally closed interlock and the first control coil
The first main branch is formed after KA1 series connection, the first linked switch SB12 normally open contact is formed after being connected with the second control coil KA2
First auxiliary branch road, connects after the first auxiliary branch road is in parallel with the first main branch with the first main switch SB11；
Second branch road 25 includes the second main switch SB21, the second linked switch SB22, the second auxiliary switch SB23, buoyancy switch
SB24 and the 3rd control coil KB1 and the 4th control coil KB2 in the second solenoid valve block 6；
3rd control coil KB1 and the 4th control coil KB2 is connected in parallel, buoyancy switch SB24 the first contact m1 and
It is connected in series after two linked switch SB22 normally closed interlock is in parallel with the 3rd control coil KB1, the second of buoyancy switch SB24 touches
It is connected in series after point m2 is in parallel with the second linked switch SB22 normally open contact with the 4th control coil KB2, buoyancy switch SB24
The other end and the second auxiliary switch SB23 be connected in series to form the second collateral branch road, the second linked switch SB22 other end and second
Main switch SB21 is connected in series to form the first collateral branch road, and the second collateral branch road is connected in parallel with the first collateral branch road；
3rd branch road 26 includes the 3rd main switch SB31, the 3rd linked switch SB32, the 3rd auxiliary switch SB33, buoyancy switch
SB34 and the 5th control coil KC1 and the 6th control coil KC2 in the 3rd solenoid valve block 7；
5th control coil KC1 and the 6th control coil KC2 is connected in parallel, buoyancy switch SB34 the 3rd contact n1 and
It is connected in series after three linked switch SB32 normally closed interlock is in parallel with the 5th control coil KC1, the 4th of buoyancy switch SB34 touches
It is connected in series after point n2 is in parallel with the 3rd linked switch SB32 normally open contact with the 6th control coil KC2, buoyancy switch SB34
The other end and the 3rd auxiliary switch SB33 be connected in series to form the 4th collateral branch road, the 3rd linked switch SB32 other end and the 3rd
Main switch SB31 is connected in series to form the 3rd collateral branch road, and the collateral branch roads of the 3rd collateral branch Lu Yu tetra- are connected in parallel.
As the preferred structure of buoyancy switch, as shown in figure 4, the buoyancy switch SB24 of the present invention includes being vertically arranged in oil
Leading truck 23 in tank A3, is provided with guide housing 18 in leading truck 23, leading truck 23 upper end set upper contact head 20 and
Magnet 27, iron plate 19 on corresponding with upper contact head 20 and magnet 27 is provided with the upper end of guide housing 18, in the lower end of leading truck 23
Lower contact 22 is provided with, lower conducting strip 21 corresponding with lower contact 22 is provided with the lower end of guide housing 18；Set in guide housing 18
It is equipped with buoyant spheres 17；
Guide housing 18 is vertically mobile in leading truck 23 to be set, buoyant spheres 17 in guide housing 18 vertically
It is mobile to set；
The gravity ＞ magnet 27 of gravity+buoyant spheres 17 of the buoyancy ＞ guide housings 18 of buoyancy+buoyant spheres 17 of guide housing 18
With the gravity of the magnetic force ＞ guide housings 18 of upper iron plate 19；
Buoyancy switch SB24 is identical with buoyancy switch SB34 structures, it would however also be possible to employ the existing buoyancy switch in market.So as to
Unmanned manipulation is realized, oil strain quality is improved, advanced design, compact conformation is with low cost, it is easy to accomplish.
With the course of work of embodiment 2 to illustrate the invention：
1. start first switch SB11, the first control coil KA1, the 3rd control coil KB1 and the 5th control coil KC1
It is powered, pipeline connection is transformer hydraulic fluid port d --- the first pipeline 8 --- the first oil inlet f --- the first solenoid valve block 5 --- the
One main oil-out e1 --- the second pipeline 9 --- second the second oil-outs of main oil inlet o1 --- the second solenoid valve block 6 ---
P --- the 3rd pipeline 10 --- triple feed inlet c1 --- --- the 3rd outlet c2 --- the 4th pipeline 11 --- the 3rd of oil filter 2
Oil inlet u --- the 3rd solenoid valve block 7 --- the 3rd pair oil-out v2 --- the first outlet line 13 --- first import a1, from
And by oil filtrating and enter in oil tank A3；
2. starting the second main switch SB21 and the 3rd main switch SB31, first switch SB11 is disconnected, fluid goes out from first
Mouth a2 --- the first in-line 12 --- second secondary oil inlet o2 --- the second solenoid valve blocks 6 --- the second oil-out p ---
--- --- --- --- the 3rd enters the 3rd outlet c2 --- the 4th pipeline 11 --- oil filter 2 triple feed inlet c1 3rd pipeline 10
Hydraulic fluid port u --- the 3rd solenoid valve block 7 --- the 3rd branch hydraulic fluid port v3 --- the second outlet line 15 --- second import b1, so that
By oil filtrating and enter in oil tank B4；
3. further starting the second linked switch SB22 in step 2, fluid is from second outlet b2 --- the second oil inlet pipe
--- the second side oil inlet o3 --- the second solenoid valve block 6 --- the second oil-out p --- the 3rd pipelines 10 --- --- of road 14
Triple feed inlet c1 --- --- the 3rd outlet c2 --- the 4th pipeline 11 --- the 3rd oil inlet u --- the 3rd electromagnetism of oil filter 2
--- the 3rd pair oil-out v2 --- the first outlet line 13 --- the first import a1, so as to by oil filtrating and enter of valve group 7
Enter into oil tank A3；
As optimization, the second main switch can be disconnected using closure the second auxiliary switch SB23 and the 3rd auxiliary switch SB33
SB21, the 3rd main switch SB31 and first switch SB11, are opened by buoyancy switch SB24 and buoyancy switch SB34 control valve groups
Close, realize automatic Unmanned operation, realize above-mentioned steps 2 and step 3, specific work process is similar；
4. after step 2, the circulation of 3 multiple times of filtration are until fluid filtering completely is clean, it can appoint from two oil tanks
Meaning one returns fluid in transformer 1；Below exemplified by from oil tank A3, further, the second linked switch SB22 is resetted,
Start the 3rd linked switch SB32, the first main switch SB11 and the first linked switch SB12, fluid is from second outlet b2 ---
Two in-lines 14 --- the second side oil inlet o3 --- the second solenoid valve block 6 --- the second oil-out p --- the 3rd pipelines
10 --- --- triple feed inlet c1 --- --- the 3rd outlet c2 --- the 4th pipeline 11 --- the 3rd oil inlets of oil filter 2
U --- the 3rd solenoid valve block 7 --- the 3rd main oil-out v1 --- the 5th pipeline 16 --- the first secondary oil-out e2 --- transformations
In device hydraulic fluid port d.
Switch is by that can complete above-mentioned functions on circuit by manipulating buoyancy switch.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in previous embodiment, or equivalent substitution is carried out to which part technical characteristic；Make
It is obvious that multiple technical schemes of the present invention, which are combined, for those skilled in the art.And these are changed or replaced
Change, the essence of appropriate technical solution is departed from the spirit and scope of technical scheme of the embodiment of the present invention.
Claims (5)
1. a kind of transformer oil filter oil inlet and outlet commutating structure, it is characterised in that：It include transformer (1), oil filter (2),
Oil tank A (3), oil tank B (4), the first solenoid valve block (5), the second solenoid valve block (6), the 3rd solenoid valve block (7), the first pipeline
(8), the second pipeline (9), the 3rd pipeline (10), the 4th pipeline (11), the first in-line (12), the first outlet line (13),
Second in-line (14), the second outlet line (15) and the 5th pipeline (16)；
The transformer hydraulic fluid port d of transformer (1) is connected by the first pipeline (8) with the first oil inlet f of the first solenoid valve block (5),
First main oil-out e1 of the first solenoid valve block (5) passes through the second pipeline (9) and the second main oil inlet of the second solenoid valve block (6)
O1 is connected, and the second oil-out p of the second solenoid valve block (6) is connected by the triple feed inlet c1 of the 3rd pipeline (10) and oil filter (2)
Logical, the 3rd outlet c2 of oil filter (2) is connected by the 4th pipeline (11) with the 3rd oil inlet u of the 3rd solenoid valve block (7), the
3rd pair oil-out v2 of three solenoid valve blocks (7) is connected by the first outlet line (13) with oil tank A (3) the first import a1,
Oil tank A (3) first outlet a2 is connected by the second secondary oil inlet o2 of the first in-line (12) and the second solenoid valve block (6)
Logical, the 3rd main oil-out v1 of the 3rd solenoid valve block (7) is gone out by the 5th pipeline (16) and the first pair of the first solenoid valve block (5)
Hydraulic fluid port e2 is connected, the 3rd branch hydraulic fluid port v3 of the 3rd solenoid valve block (7) pass through the second outlet line (15) and oil tank B (4) the
Two import b1 are connected, and oil tank B (4) second outlet b2 passes through the second in-line (14) and the second of the second solenoid valve block (6)
Other oil inlet o3 connections.
2. a kind of transformer oil filter oil inlet and outlet commutating structure according to claim 1, it is characterised in that：First electromagnetism
Valve group (5) is 3-position-3-way double control electromagnetic reversal valve, and the second solenoid valve block (6) is 3-position 4-way double control electromagnetic reversal valve, the 3rd
Solenoid valve block (7) is 3-position 4-way double control electromagnetic reversal valve.
3. a kind of transformer oil filter oil inlet and outlet commutating structure according to claim 2, it is characterised in that：Also include electricity
Road device, the circuit devcie includes tie point (24), the second branch road (25) and the 3rd branch road for being connected in parallel on both ends of power
(26)；
Tie point (24) includes the first main switch SB11, the first linked switch SB12 and in the first solenoid valve block (5)
The first control coil KA1 and the second control coil KA2；First linked switch SB12 normally closed interlock and the first control coil
The first main branch is formed after KA1 series connection, the first linked switch SB12 normally open contact is formed after being connected with the second control coil KA2
First auxiliary branch road, connects after the first auxiliary branch road is in parallel with the first main branch with the first main switch SB11；
Second branch road (25) includes the second main switch SB21, the second linked switch SB22 and in the second solenoid valve block (6)
The 3rd control coil KB1 and the 4th control coil KB2；Second linked switch SB22 normally closed interlock and the 3rd control coil
The second main branch is formed after KB1 series connection, the second linked switch SB22 normally open contact is formed after being connected with the 4th control coil KB2
Second auxiliary branch road, connects after the second auxiliary branch road is in parallel with the second main branch with the second main switch SB21；
3rd branch road (26) includes the 3rd main switch SB31, the 3rd linked switch SB32 and in the 3rd solenoid valve block (7)
The 5th control coil KC1 and the 6th control coil KC2；3rd linked switch SB32 normally closed interlock and the 5th control coil
The 3rd main branch is formed after KC1 series connection, the 3rd linked switch SB32 normally open contact is formed after being connected with the 6th control coil KC2
3rd auxiliary branch road, connects after the 3rd auxiliary branch road is in parallel with the 3rd main branch with the 3rd main switch SB31.
4. a kind of transformer oil filter oil inlet and outlet commutating structure according to claim 2, it is characterised in that：Also include electricity
Road device, the circuit devcie includes tie point (24), the second branch road (25) and the 3rd branch road for being connected in parallel on both ends of power
(26)；
Tie point (24) includes the first main switch SB11, the first linked switch SB12 and in the first solenoid valve block (5)
The first control coil KA1 and the second control coil KA2；First linked switch SB12 normally closed interlock and the first control coil
The first main branch is formed after KA1 series connection, the first linked switch SB12 normally open contact is formed after being connected with the second control coil KA2
First auxiliary branch road, connects after the first auxiliary branch road is in parallel with the first main branch with the first main switch SB11；
Second branch road (25) includes the second main switch SB21, the second linked switch SB22, the second auxiliary switch SB23, buoyancy switch
SB24 and the 3rd control coil KB1 and the 4th control coil KB2 in the second solenoid valve block (6)；
3rd control coil KB1 and the 4th control coil KB2 is connected in parallel, buoyancy switch SB24 the first contact m1 and second
It is connected in series after dynamic switch SB22 normally closed interlock is in parallel with the 3rd control coil KB1, buoyancy switch SB24 the second contact m2
It is connected in series after in parallel with the second linked switch SB22 normally open contact with the 4th control coil KB2, buoyancy switch SB24's is another
One end is connected in series to form the second collateral branch road with the second auxiliary switch SB23, and the second linked switch SB22 other end is opened with the second master
Close SB21 and be connected in series to form the first collateral branch road, the second collateral branch road is connected in parallel with the first collateral branch road；
3rd branch road (26) includes the 3rd main switch SB31, the 3rd linked switch SB32, the 3rd auxiliary switch SB33, buoyancy switch
SB34 and the 5th control coil KC1 and the 6th control coil KC2 in the 3rd solenoid valve block (7)；
5th control coil KC1 and the 6th control coil KC2 is connected in parallel, buoyancy switch SB34 the 3rd contact n1 and the 3rd
It is connected in series after dynamic switch SB32 normally closed interlock is in parallel with the 5th control coil KC1, buoyancy switch SB34 the 4th contact n2
It is connected in series after in parallel with the 3rd linked switch SB32 normally open contact with the 6th control coil KC2, buoyancy switch SB34's is another
One end is connected in series to form the 4th collateral branch road with the 3rd auxiliary switch SB33, and the 3rd linked switch SB32 other end is opened with the 3rd master
Close SB31 and be connected in series to form the 3rd collateral branch road, the collateral branch roads of the 3rd collateral branch Lu Yu tetra- are connected in parallel.
5. a kind of transformer oil filter oil inlet and outlet commutating structure according to claim 4, it is characterised in that：Buoyancy switch
SB24 includes the leading truck (23) being vertically arranged in oil tank A (3), is provided with guide housing (18) in leading truck (23), is leading
To the upper end of frame (23), upper contact head (20) and magnet (27) is set, be provided with guide housing (18) upper end with upper contact head (20) with
And the corresponding upper iron plate (19) of magnet (27), leading truck (23) lower end is provided with lower contact (22), in guide housing (18) lower end
It is provided with lower conducting strip (21) corresponding with lower contact (22)；Buoyant spheres (17) are provided with guide housing (18)；
Guide housing (18) is vertically mobile in leading truck (23) to be set, and buoyant spheres (17) are in guide housing (18) along vertical
Direction movement is set；
The gravity ＞ magnetic of gravity+buoyant spheres (17) of the buoyancy ＞ guide housings (18) of buoyancy+buoyant spheres (17) of guide housing (18)
The gravity of iron (27) and the magnetic force ＞ guide housings (18) of upper iron plate (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510998009.0A CN105632707B (en) | 2015-12-27 | 2015-12-27 | A kind of transformer oil filter oil inlet and outlet commutating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510998009.0A CN105632707B (en) | 2015-12-27 | 2015-12-27 | A kind of transformer oil filter oil inlet and outlet commutating structure |
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| Publication Number | Publication Date |
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| CN105632707A CN105632707A (en) | 2016-06-01 |
| CN105632707B true CN105632707B (en) | 2017-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510998009.0A Active CN105632707B (en) | 2015-12-27 | 2015-12-27 | A kind of transformer oil filter oil inlet and outlet commutating structure |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106920644A (en) * | 2017-04-12 | 2017-07-04 | 国家电网公司交流建设分公司 | A kind of filtering oil for transformer control device and method |
| CN107221411A (en) * | 2017-06-14 | 2017-09-29 | 华北电力大学 | Extra-high voltage transformer insulating oil is totally-enclosed to automatically control oil strain method and device |
| DE102018203240A1 (en) * | 2018-03-05 | 2019-09-05 | Robert Bosch Gmbh | Water injection device with at least two tanks |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1440190A (en) * | 1972-11-23 | 1976-06-23 | Boc International Ltd | Electrical transformers |
| CN201313013Y (en) * | 2008-11-25 | 2009-09-23 | 宁夏电力公司石嘴山供电局 | Oil filling and discharging reversing device of pressure type oil filter |
| CN201717088U (en) * | 2010-05-06 | 2011-01-19 | 北京市电力公司 | Reversing pipeline |
| CN203850103U (en) * | 2014-05-12 | 2014-09-24 | 昆山佑翔电子科技有限公司 | Transformer oil two-way filtering device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2690161B2 (en) * | 1989-11-10 | 1997-12-10 | 中部電力株式会社 | Oil-filled electrical equipment waste heat snow melting equipment |
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2015
- 2015-12-27 CN CN201510998009.0A patent/CN105632707B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1440190A (en) * | 1972-11-23 | 1976-06-23 | Boc International Ltd | Electrical transformers |
| CN201313013Y (en) * | 2008-11-25 | 2009-09-23 | 宁夏电力公司石嘴山供电局 | Oil filling and discharging reversing device of pressure type oil filter |
| CN201717088U (en) * | 2010-05-06 | 2011-01-19 | 北京市电力公司 | Reversing pipeline |
| CN203850103U (en) * | 2014-05-12 | 2014-09-24 | 昆山佑翔电子科技有限公司 | Transformer oil two-way filtering device |
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| CN105632707A (en) | 2016-06-01 |
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