CN106525489B - Insulating oil mutual inductor seals sampling instrument - Google Patents
Insulating oil mutual inductor seals sampling instrument Download PDFInfo
- Publication number
- CN106525489B CN106525489B CN201610985365.3A CN201610985365A CN106525489B CN 106525489 B CN106525489 B CN 106525489B CN 201610985365 A CN201610985365 A CN 201610985365A CN 106525489 B CN106525489 B CN 106525489B
- Authority
- CN
- China
- Prior art keywords
- pushing block
- sample connection
- elastic fabric
- mutual inductor
- sampling
- 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.)
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- 238000005070 sampling Methods 0.000 title claims abstract description 42
- 238000007789 sealing Methods 0.000 claims abstract description 35
- 239000004744 fabric Substances 0.000 claims abstract description 33
- 239000003921 oil Substances 0.000 claims abstract description 23
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 16
- 239000000945 filler Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 5
- 238000005253 cladding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000009533 lab test Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000012428 routine sampling Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1031—Sampling from special places
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses insulating oil mutual inductors to seal sampling instrument, sample connection including being internally provided with runner, it further include being looped around elastic fabric outside sample connection around the axis of sample connection, one end of the elastic fabric is fixed on the sampling end of sample connection, the other end is fixedly connected with circular pushing block, the center of the annular shape pushing block is provided with the through-hole consistent with the ontology diameter of the sample connection, circular pushing block is set on the ontology of sample connection, the through-hole side wall of the annular shape pushing block is provided with the seal groove of annular, first sealing ring is installed in seal groove；The sample connection, elastic fabric, circular pushing block surround confined space, fill hydraulic oil in the confined space.The purpose of the present invention is to provide insulating oil mutual inductors to seal sampling instrument, to solve the problems, such as that structure is complicated for airtight good sampler in the prior art, realizes the simple and quick purpose for improving air-tightness when mutual inductor samples.
Description
Technical field
The present invention relates to mutual inductors to sample field, concretely relates to insulating oil mutual inductor sealing sampling instrument.
Background technique
Electric system often carries out power Transmission using alternating voltage, big current loop mode to transmit electric energy, can not
It is directly measured with instrument.The effect of mutual inductor, instrument can be used by exactly dropping to alternating voltage and high current in proportion
Table numerical value measured directly, directly measures, while providing power supply for relay protection and automatic device convenient for instrument.Electric system is used
Mutual inductor be electrical network high voltage, the information of high current are transmitted to low-voltage, the metering of low current double measurement, measuring instrumentss and
Relay protection, automatic device a kind of special transformer, be the contact element of primary system and electrical secondary system, first winding connects
Enter power grid, secondary winding is interconnected with measuring instrumentss, protective device etc. respectively.The quality of quality of transformer performance, directly influences
The reliability of power system measuring, the accuracy of metering and relay protection movement, therefore need periodically to carry out mutual inductor
Preventative maintenance test.The fluid insulation oil in high-power transformer or current transformer is chemically examined for convenience, is usually existed
The valve that draws oil sample is installed in bottom, is then sampled using the specific purpose tool with sample connection.But traditional sampling mode
Sealing effect between sample cock and sample connection is limited, carries out being easy to be mixed into air when oil sampling, influences chemical examination knot
Fruit influences the accurate judgement of staff.And the existing good sampler of air-tightness structure is complicated, staff into
Needs when sampling of going are ascended a height and live line work, and danger coefficient is high, and being sampled using complicated sampler will lead to work
The industry time is long, and risk increases.
Summary of the invention
The purpose of the present invention is to provide insulating oil mutual inductors to seal sampling instrument, airtight good in the prior art to solve
Sampler the problem of structure is complicated, realize the purpose of simple and quick air-tightness when improving mutual inductor sampling.
The present invention is achieved through the following technical solutions:
Insulating oil mutual inductor seals sampling instrument, and the sample connection including being internally provided with runner, further includes connecing around sampling
The axis of head is looped around the elastic fabric outside sample connection, and one end of the elastic fabric is fixed on the sampling of sample connection
End, the other end are fixedly connected with circular pushing block, and the center of the annular shape pushing block is provided with and the sample connection
The consistent through-hole of ontology diameter, circular pushing block are set on the ontology of sample connection, the through-hole side of the annular shape pushing block
Wall is provided with the seal groove of annular, installs the first sealing ring in seal groove；The sample connection, elastic fabric, circular pushing block
Confined space is surrounded, fills hydraulic oil in the confined space.
Sealing effect of traditional sampling mode between sample cock and sample connection is limited, carries out appearance when oil sampling
It easily is mixed into air, influences result of laboratory test, influences the accurate judgement of staff.And the existing good sampler of air-tightness is equal
Structure is complicated, and staff needs to ascend a height when being sampled and live line work, and danger coefficient is high, uses complicated sampling
Device is sampled that will lead to the activity duration long, and risk increases, and there are biggish security risks.Therefore the present invention proposes one kind
Insulating oil mutual inductor seals sampling instrument, and the sample connection of runner is provided with including centre, and a circle is coated outside sample connection
Elastic fabric, elastic fabric carry out cladding around the axis of sample connection and form cyclic structure, and wherein one end of elastic fabric is fixed
It is fixedly connected in the sampling end of sample connection, the other end with circular pushing block, the annular shape pushing block passes through the through-hole set at center
It is located on the ontology of sample connection, is that circular pushing block can be moved along the ontology of sample connection under external force
It is dynamic.The sample connection, elastic fabric, circular pushing block surround confined space, fill hydraulic oil in the confined space.Simultaneously
In order to improve the sealing performance in confined space, hydraulic oil in circular pushing block moving process is avoided to miss, the present invention is also in circle
The through-hole side wall of cyclic annular pushing block be provided with annular seal groove, be on the through slot wall at circular pushing block center setting one circle it is close
Sealing groove, by the sealing effect of sealing ring, improves in circular pushing block moving process, confined air for installing the first sealing ring
Interior sealing performance.In use process of the present invention, sample connection more solito mode is inserted into the sampling valve of mutual inductor, quickly
Circular pushing block is pushed forward, is allowed to mobile towards the sampling end of sample connection, so that the hydraulic oil in confined space is squeezed, benefit
With the characteristic of the comprehensive conduction of fluid pressure, elastic fabric is applied pressure to by the hydraulic oil being pressurized so that elastic fabric by
Internal driving force expands outward, the cladding so that junction of sample connection and sampling valve is closely pressurized, and greatly improves
Airtight effect when routine sampling avoids air from entering influence result of laboratory test.Simultaneously the configuration of the present invention is simple, convenient for operation, have
Airtight sampling is quickly finished conducive to staff, solving existing airtight sampler, structure is complicated, cumbersome, sampling
The problem of time-consuming reduces peace when staff aloft charges sampling so as to the reduction security risk of high degree
Full blast danger.
Further, the elastic fabric is connected to the outboard side edge of circular pushing block, the outside setting of circular pushing block
There is the second sealing ring of a ring shape.The leakproofness of elastic fabric and circular pushing block junction is improved by the second sealing ring
Can, it avoids that junction is caused to miss hydraulic oil with the movement of circular pushing block.
Further, the elastic fabric is rubber skin.Rubber material elasticity foot, toughness are strong, and cracky, not can be improved
Service life of the invention.
Further, the circular pushing block is made by insulating materials.It further increases in use process of the present invention
Security performance, avoid in circular pushing block generate induced current to staff bring electric shock keenly feel.
Further, the elastic fabric surface is provided with the oil filler point with plug.It is convenient for by oil filler point to confined air
Interior supplement hydraulic oil, convenient for being used for a long time.
Further, the through-hole side wall of the circular pushing block is provided with the seal groove of two ring shapes, in each seal groove
It is respectively mounted the first sealing ring.By the structure of two seal groove bands, two sealing rings, improve circular pushing block and sample connection it
Between sealing performance, it is ensured that hydraulic oil will not miss.
Further, first sealing ring is O-shaped rubber ring.O-shaped rubber seal has good elasticity and toughness,
It can ensure always good sealing effect with the movement of circular pushing block.
The present invention compared with prior art, has the following advantages and benefits:
Insulating oil mutual inductor of the present invention seals sampling instrument, is surrounded by sample connection, elastic fabric, circular pushing block close
Space is closed, fills hydraulic oil in the confined space；The through-hole side wall of circular pushing block is provided with the seal groove of annular, is used for
First sealing ring is installed, by the sealing effect of sealing ring, improves the sealing in circular pushing block moving process in confined space
Performance；The configuration of the present invention is simple is convenient for operation, is conducive to staff and quickly finishes airtight sampling, solves existing gas
Structure is complicated for close sampler, cumbersome, sampling the problem of time-consuming, so as to the reduction security risk of high degree,
Reduce security risk when staff aloft charges sampling.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the specific embodiment of the invention；
Fig. 2 is the external structure schematic diagram of the specific embodiment of the invention；
Fig. 3 is the partial structural diagram of circular pushing block in the specific embodiment of the invention.
Number in figure is successively are as follows: 1- sample connection, 11- sampling end, and 2- runner, 3- elastic fabric, 4- annular shape pushing block,
41- through-hole, the first sealing ring of 5-, 6- confined space, 7- oil filler point, the second sealing ring of 8-.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment 1:
Insulating oil mutual inductor as shown in Figure 1 to Figure 3 seals sampling instrument, and the sampling including being internally provided with runner 2 connects
First 1, it further include being looped around elastic fabric 3 outside sample connection 1, one end of the elastic fabric 3 around the axis of sample connection 1
It is fixed on the sampling end 11 of sample connection 1, the other end is fixedly connected with circular pushing block 4, the centre bit of the annular shape pushing block 4
It installs and is equipped with the through-hole 41 consistent with the ontology diameter of the sample connection 1, circular pushing block 4 is set in sample connection 1
On ontology, 41 side wall of through-hole of the annular shape pushing block 4 is provided with the seal groove of annular, installs the first sealing ring 5 in seal groove；
The sample connection 1, elastic fabric 3, circular pushing block 4 surround confined space 6, fill hydraulic oil in the confined space 6.Institute
The outboard side edge that elastic fabric 3 is connected to circular pushing block 4 is stated, the outside of circular pushing block 4 is provided with the second of a ring shape
Sealing ring 8.The elastic fabric 3 is rubber skin.The annular shape pushing block 4 is made by insulating materials.The elastic fabric 3
Surface is provided with the oil filler point 7 with plug.41 side wall of through-hole of the annular shape pushing block 4 is provided with the seal groove of two ring shapes,
The first sealing ring 5 is respectively mounted in each seal groove.First sealing ring 5 is O-shaped rubber ring.
In use process of the present invention, 1 more solito mode of sample connection is inserted into the sampling valve of mutual inductor, quickly to being pushed forward
Dynamic annular shape pushing block 4 is allowed to mobile towards the sampling end 11 of sample connection 1, so that the hydraulic oil in confined space 6 is squeezed, benefit
With the characteristic of the comprehensive conduction of fluid pressure, elastic fabric 3 is applied pressure to by the hydraulic oil being pressurized so that elastic fabric 3 by
It is expanded outward to internal driving force, the cladding so that junction of sample connection 1 and sampling valve is closely pressurized greatly mentions
Airtight effect when high routine sampling avoids air from entering influence result of laboratory test.Simultaneously the configuration of the present invention is simple, convenient for operation,
Be conducive to staff and quickly finish airtight sampling, solving existing airtight sampler, structure is complicated, cumbersome, takes
Sample the problem of time-consuming, reduces staff and aloft charge when sampling so as to the reduction security risk of high degree
Security risk.In addition, improve the sealing performance of elastic fabric 3 and circular 4 junction of pushing block by the second sealing ring, avoid with
The movement of circular pushing block 4 cause junction to miss hydraulic oil.If hydraulic oil gradually misses consumption in use process of the present invention,
The plug on oil filler point 7 can also be opened, is supplemented by oil filler point 7.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (3)
1. insulating oil mutual inductor seals sampling instrument, the sample connection (1) including being internally provided with runner (2), it is characterised in that:
It further include the elastic fabric (3) that sample connection (1) outside is looped around around the axis of sample connection (1), the elastic fabric (3)
One end is fixed on the sampling end (11) of sample connection (1), the other end is fixedly connected with circular pushing block (4), and the annular shape pushes away
The center of block (4) is provided with the through-hole (41) consistent with the ontology diameter of the sample connection (1), circular pushing block
(4) it is set on the ontology of sample connection (1), through-hole (41) side wall of the annular shape pushing block (4) is provided with the sealing of annular
Slot, seal groove is interior to install the first sealing ring (5)；The sample connection (1), elastic fabric (3), circular pushing block (4) surround close
It closes space (6), hydraulic oil is filled in the confined space (6)；The elastic fabric (3) is connected to the outer of circular pushing block (4)
Side side is provided with the second sealing ring (8) of a ring shape on the outside of circular pushing block (4)；The annular shape pushing block (4) is by exhausted
Edge material is made；The elastic fabric (3) is rubber skin；Through-hole (41) side wall of the annular shape pushing block (4) is provided with
The seal groove of two ring shapes is respectively mounted the first sealing ring (5) in each seal groove.
2. insulating oil mutual inductor according to claim 1 seals sampling instrument, it is characterised in that: the elastic fabric (3)
Surface is provided with the oil filler point (7) with plug.
3. insulating oil mutual inductor according to claim 1 or 2 seals sampling instrument, it is characterised in that: first sealing
Enclosing (5) is O-shaped rubber ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610985365.3A CN106525489B (en) | 2016-11-09 | 2016-11-09 | Insulating oil mutual inductor seals sampling instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610985365.3A CN106525489B (en) | 2016-11-09 | 2016-11-09 | Insulating oil mutual inductor seals sampling instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106525489A CN106525489A (en) | 2017-03-22 |
| CN106525489B true CN106525489B (en) | 2019-11-12 |
Family
ID=58350280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610985365.3A Active CN106525489B (en) | 2016-11-09 | 2016-11-09 | Insulating oil mutual inductor seals sampling instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106525489B (en) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09105699A (en) * | 1995-10-11 | 1997-04-22 | Kubota Corp | Sealability inspecting apparatus for tube joint |
| CN2275660Y (en) * | 1996-09-25 | 1998-03-04 | 青岛四洲锅炉设备有限公司 | Air-bag sealing ring |
| CN100526698C (en) * | 2006-11-06 | 2009-08-12 | 廖仲力 | Large caliber pipeline flexible internal expansion type sealing ring, its connecting structure and method |
| CN200992977Y (en) * | 2007-01-04 | 2007-12-19 | 柴兆喜 | Elastic bag hole packer |
| JP4982207B2 (en) * | 2007-02-26 | 2012-07-25 | 原工業株式会社 | Packer |
| CN201964014U (en) * | 2011-02-21 | 2011-09-07 | 厦门鑫烨盛能源科技有限公司 | Cross valve special for alcoholization oil |
| CN202575961U (en) * | 2012-05-16 | 2012-12-05 | 株洲市自强油气储运设备制造有限公司 | Bag-type sealing cover for loading and unloading of tanker oil product |
| CN204128860U (en) * | 2014-08-29 | 2015-01-28 | 国家电网公司 | Oil-filled mutual inductor sealing sample valve |
| CN104568509A (en) * | 2014-11-18 | 2015-04-29 | 国网河南省电力公司濮阳供电公司 | Current transformer oil extraction sampling valve |
| CN205037023U (en) * | 2015-10-13 | 2016-02-17 | 天津博益气动股份有限公司 | Mouth of pipe plugging device |
-
2016
- 2016-11-09 CN CN201610985365.3A patent/CN106525489B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106525489A (en) | 2017-03-22 |
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