CN109637859A - A kind of sub-connecting switch of transformer tool for drawing oil sample - Google Patents
A kind of sub-connecting switch of transformer tool for drawing oil sample Download PDFInfo
- Publication number
- CN109637859A CN109637859A CN201811537084.7A CN201811537084A CN109637859A CN 109637859 A CN109637859 A CN 109637859A CN 201811537084 A CN201811537084 A CN 201811537084A CN 109637859 A CN109637859 A CN 109637859A
- Authority
- CN
- China
- Prior art keywords
- sub
- oil sample
- connecting switch
- guiding structure
- flow
- 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.)
- Granted
Links
- 239000000428 dust Substances 0.000 claims abstract description 18
- 238000000605 extraction Methods 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 238000005070 sampling Methods 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000002699 waste material Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/0005—Tap change devices
- H01H9/0016—Contact arrangements for tap changers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
- H01F29/02—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
- H01F29/04—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings having provision for tap-changing without interrupting the load current
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Sampling And Sample Adjustment (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention belongs to technical field of transformer equipment, more specifically, a kind of sub-connecting switch of transformer tool for drawing oil sample is provided, connection structure, flow guiding structure and flow-guiding structure including bottom plate, for connecting oil exit pipe, the connection structure and the flow guiding structure are set on the bottom plate, and the flow-guiding structure is connected with the flow guiding structure.The configuration of the present invention is simple, it is easy to operate, by the dust excluding plate for removing oil exit pipe protocorm valve, sub-connecting switch of transformer tool is installed again, it can carry out work of drawing oil sample, and the present invention has good leakproofness, can be avoided oil sample and is contacted with outside air, improves the accuracy and sampling efficiency of sample extraction.
Description
Technical field
The invention belongs to technical field of transformer equipment, more specifically, providing a kind of transformer tap for drawing oil sample
Switching tools.
Background technique
In the work of power system device maintenance, guarantee that the reliable and stable operation of voltage device is highly important.Power transformation
The insulating oil of sub-connecting switch of transformer, just needs to sample it at regular intervals and carries out breakdown voltage and moisture content in standing
Test.However for most of tap switches all without special insulating oil sample tap, oil sample is the row from tap switch bottom at present
It is obtained in oil pipe.When taking oil, the size of insulating oil discharge by a ball valve control, however ball valve be generally open it is larger, absolutely
The direction and how much be difficult to control that edge oil stream goes out, if oil sample of leaving flows out in a jumble along valve face, oil sample is highly prone to dust, iron
The pollution of rust, and direct sample easily entrains bubble and sample is made to make moist, and oil sample is made to lose representativeness, leads to oil sample test result not
Accurately, it cannot reflect the truth of oil inside tap switch.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of sub-connecting switch of transformer for drawing oil sample
Tool, structure is simple, flows out the oil sample taken orderly by flow guiding structure, reduces contact of the oil sample with valve face, Neng Gouti
The accuracy and sampling efficiency of high sample extraction, when use, remove the dust excluding plate of oil exit pipe protocorm valve, then install transformer
Tap switch tool can carry out work of drawing oil sample, easy to operate.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
A kind of sub-connecting switch of transformer tool for drawing oil sample is provided, connection structure including bottom plate, for connecting oil exit pipe,
Flow guiding structure and flow-guiding structure, the connection structure and the flow guiding structure are set on the bottom plate, the flow-guiding structure with
The flow guiding structure is connected.
A kind of sub-connecting switch of transformer tool for drawing oil sample of the present invention is provided with connection structure, flow guiding structure and water conservancy diversion
Structure, connection structure are used to connect the bottom position of oil exit pipe protocorm valve, are capable of fixing sub-connecting switch of transformer tool in ball
Valve bottom；Flow guiding structure is connected with flow-guiding structure, and insulating oil can pass through the flow guiding structure and flow-guiding structure orientation on bottom plate
Flowing, and can accurately be directed into related vessel, prevent insulating oil from flowing out from the gap of bottom plate Yu ball valve bottom, to prevent
Destroy the accuracy to draw oil sample.
In order to enable flow guiding structure effective drainage insulating oil, the flow guiding structure includes conduction hole, drainage tube and drainage
Mouth, the conduction hole are set on the bottom plate, and the drainage mouth is connected with the side of the conduction hole, the drainage tube and institute
The other side for stating conduction hole is connected.
In order to enable insulating oil to import in drainage mouth, the drainage mouth is equipped with hole.
The impurity such as dust enter drainage mouth and pollute insulating oil in order to prevent, and the drainage mouth is equipped with dust cap.
In order to enable flow guiding structure effective drainage insulating oil, the flow guiding structure includes conduction hole and drainage tube, described
Drainage tube and the conduction hole, which are interconnected, to be arranged.
Dust or water enter flow-guiding structure in order to prevent, and the bottom plate is equipped with the self-styled reinforcing post of hose.
Insulating oil is guided in various vessel in order to facilitate operating personnel, the flow-guiding structure includes Oil Guide hose, described
Oil Guide hose and the drainage tube are detachably connected.
In order to control the waste for taking oil mass, reducing insulating oil, the Oil Guide hose is equipped with valve.
For the ease of the connection of sub-connecting switch of transformer tool and ball valve, the connection structure includes several slots, slot
Quantity be at least four.
Gap outflow of the insulating oil between oil exit pipe ball valve and tap switch tool, the bottom plate are equipped in order to prevent
Seal groove, the seal groove is interior to be equipped with sealing rubber ring, and the seal groove matches with the sealing rubber ring.
Compared with prior art, the beneficial effects of the present invention are:
A kind of sub-connecting switch of transformer tool for drawing oil sample of the present invention is provided with several slots, flow guiding structure, stream guiding tube
And seal groove, the setting of several slots make sub-connecting switch of transformer tool can satisfy the ball valve specification on a variety of oil exit pipes to want
It asks；Oil Guide hose can be such that insulating oil is accurately directed into related vessel；Valve is provided on Oil Guide hose, the setting of valve makes
Sub-connecting switch of transformer tool, which can control, takes oil mass, and reduces the waste of insulating oil；Seal groove and sealing rubber ring can be prevented
Only insulating oil is flowed out from the gap of bottom plate Yu ball valve bottom.Flow guiding structure of the invention is divided into two kinds, and a kind of flow guiding structure includes
Conduction hole, drainage tube and drainage mouth, insulating oil can sequentially pass through drainage mouth, conduction hole and drainage tube, then to flow into Oil Guide soft
In pipe, when without using sub-connecting switch of transformer tool, one end of Oil Guide hose can be inserted in drainage mouth, prevent dust or
Water enters Oil Guide hose；A kind of flow guiding structure includes conduction hole and drainage tube, and insulating oil directly passes through conduction hole, then by with draw
The Oil Guide hose that flow tube is connected flows out, and is additionally provided with the self-styled auxiliary of hose on the bottom plate of such sub-connecting switch of transformer tool
One end of Oil Guide hose can be inserted on the self-styled reinforcing post of hose, prevent when without using sub-connecting switch of transformer tool by column
Dust or water enter Oil Guide hose.
The configuration of the present invention is simple, it is easy to use, it can be avoided oil sample and directly contacted with air, meet hermetically sealed sampling and want
It asks, prevents oil sample from polluting.
Detailed description of the invention
Fig. 1 is a kind of a kind of structural representation of structure top surface of the sub-connecting switch of transformer tool for drawing oil sample of the present invention
Figure.
Fig. 2 is a kind of a kind of structural representation of structure floor of the sub-connecting switch of transformer tool for drawing oil sample of the present invention
Figure.
Fig. 3 is that a kind of structure of another structure top surface of the sub-connecting switch of transformer tool for drawing oil sample of the present invention is shown
It is intended to.
Fig. 4 is that a kind of structure of another structure floor of the sub-connecting switch of transformer tool for drawing oil sample of the present invention is shown
It is intended to.
Fig. 5 is the structural representation for inventing a kind of another texture edge of sub-connecting switch of transformer tool for drawing oil sample
Figure.
It is as follows to illustrate description of symbols:
1- bottom plate, 2- slot, 3- conduction hole, 4- drainage tube, 5- drainage mouth, 6- Oil Guide hose, 7- valve, the self-styled auxiliary of 8- hose
Column, 9- seal groove.
Specific embodiment
The present invention is further illustrated With reference to embodiment.Wherein, attached drawing only for illustration,
What is indicated is only schematic diagram, rather than pictorial diagram, should not be understood as the limitation to this patent；Reality in order to better illustrate the present invention
Example is applied, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；To those skilled in the art
For, the omitting of some known structures and their instructions in the attached drawings are understandable.
The same or similar label correspond to the same or similar components in the attached drawing of the embodiment of the present invention；It is retouched in of the invention
In stating, it is to be understood that if the orientation or positional relationship for having the instructions such as term " on ", "lower", "left", "right" is based on attached drawing
Shown in orientation or positional relationship, be merely for convenience of description of the present invention and simplification of the description, rather than indication or suggestion is signified
Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore positional relationship is described in attached drawing
Term only for illustration, should not be understood as the limitation to this patent, for the ordinary skill in the art, can
To understand the concrete meaning of above-mentioned term as the case may be.
Embodiment 1
It is as shown in Figures 1 to 5 a kind of first embodiment of the sub-connecting switch of transformer tool for drawing oil sample of the present invention, including
Bottom plate 1, the connection structure for connecting oil exit pipe, flow guiding structure and flow-guiding structure, connection structure and flow guiding structure are set to bottom
On plate 1, flow-guiding structure is connected with flow guiding structure.As shown in Figures 1 to 5, the structure of the present embodiment insole board 1 is quadrangle knot
Structure, the thickness of bottom plate 1 is between 3 ~ 12mm, and the area of the joint face of bottom plate 1 is in 300 ~ 25000mm2Between.
Flow guiding structure of the invention has a kind, and a kind of flow guiding structure includes conduction hole 3, drainage tube 4 and drainage mouth 5, conduction hole 3
On bottom plate 1, drainage mouth 5 is connected with the side of conduction hole 3, and drainage tube 4 is connected with the other side of conduction hole 3.Drainage
The setting in hole 3, drainage tube 4 and drainage mouth 5 enables flow guiding structure effective drainage insulating oil.As shown in Figures 3 to 5, this implementation
The center on bottom plate 1 is arranged in conduction hole 3 in example, and the cross-sectional area of drainage tube 4 is in 3 ~ 1500mm2Between, drainage tube 4
Length between 10 ~ 10000mm, internal diameter is between 1.1 ~ 20.1mm；5 internal diameter of drainage mouth between 1 ~ 20mm, outer diameter 1.1 ~
Between 20.1mm, length is between 5 ~ 50mm.
Wherein, drainage mouth 5 is equipped with hole.The setting in hole enables insulating oil to import in drainage mouth 5.Such as Fig. 3 to Fig. 5 institute
Show, aperture is set to the side locations of drainage mouth 5 in the present embodiment.Drainage mouth 5 is equipped with dust cap.The setting of dust cap can be prevented
Only the impurity such as dust enter drainage mouth 5 and pollute insulating oil.
Another flow guiding structure includes conduction hole 3 and drainage tube 4, and drainage tube 4 and conduction hole 3, which are interconnected, to be arranged.Drainage
The setting of hole 3 and drainage tube 4 enables flow guiding structure effective drainage insulating oil.As shown in Figure 1 to Figure 2, it is drained in the present embodiment
The center on bottom plate 1 is arranged in hole 3, and drainage tube 4 is arranged on the disconnected face of bottom plate 1, insulating oil can be delayed to flow out
Speed quantitatively extracts insulating oil convenient for operating personnel.
Wherein, bottom plate 1 is equipped with the self-styled reinforcing post 8 of hose.The setting of the self-styled reinforcing post 8 of hose can prevent dust or water
Into flow-guiding structure.As shown in Figure 1 to Figure 2, the self-styled reinforcing post 8 of hose is arranged by drainage tube 4 in the present embodiment.
In addition, flow-guiding structure includes Oil Guide hose 6, Oil Guide hose 6 and drainage tube 4 are detachably connected.Oil Guide hose 6
Setting can convenient working personnel insulating oil is guided in various vessel.Oil Guide hose 6 is equipped with valve 7.The setting energy of valve 7
The waste that enough control takes oil mass, reduces insulating oil.As shown in Figures 1 to 5, valve 7 selects two-way or threeway in the present embodiment
Flow control valve.
In addition, connection structure includes several slots 2, the quantity of slot 2 is at least four.The setting of slot 2 can be convenient for
The connection of sub-connecting switch of transformer tool and ball valve.As shown in Figures 1 to 4, eight slots are provided in the present embodiment insole board 1
2,2 length of slot between 3 ~ 50mm, width is between 3 ~ 15mm.
In addition, bottom plate 1 is equipped with seal groove 9, sealing rubber ring, seal groove 9 and sealing rubber ring are equipped in seal groove 9
Match.The setting of seal groove 9 and sealing rubber ring can prevent insulating oil between oil exit pipe ball valve and tap switch tool
Gap outflow.As shown in Figures 1 to 5, in the present embodiment the perimeter of sealing rubber ring between 15 ~ 350mm, thickness is in 1 ~ 12mm
Between.
In use, removing the dust excluding plate of oil exit pipe ball valve bottom, sub-connecting switch of transformer tool is placed on former dust excluding plate
Position makes several slots 2 match with the screw thread hole site under oil exit pipe ball valve, by mounting screw by transformer tap
Switching tools are locked at the bottom of oil exit pipe ball valve, and one end tube head of Oil Guide hose 6 connects on drainage tube 4, and other end tube head is stretched
Enter in sampling bottle, insulating oil is flowed into sampling bottle by flow guiding structure and Oil Guide hose 6, completes sampling.Without using becoming
When depressor tap switch tool, the tube head that sampling bottle is protruded on Oil Guide hose 6 can be connected on the self-styled reinforcing post 8 of hose or be drawn
On stem bar 5, prevent dust etc. from entering tour guide's hose 6 and sample is caused to pollute.
Embodiment 2
The present embodiment is similar to Example 1, institute the difference is that, pass through card between drainage mouth 5 and dust cap in the present embodiment
Button connection, the setting of buckle make quickly to connect or dismantle between dust cap and drainage mouth 5.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (10)
1. a kind of sub-connecting switch of transformer tool for drawing oil sample, which is characterized in that including bottom plate (1), for connecting oil extraction
Connection structure, flow guiding structure and the flow-guiding structure of pipe, the connection structure and the flow guiding structure are set to the bottom plate (1)
On, the flow-guiding structure is connected with the flow guiding structure.
2. a kind of sub-connecting switch of transformer tool for drawing oil sample according to claim 1, which is characterized in that described to draw
Flow structure includes conduction hole (3), drainage tube (4) and drainage mouth (5), and the conduction hole (3) is set on the bottom plate (1), described
Drainage mouth (5) is connected with the side of the conduction hole (3), and the drainage tube (4) is connected with the other side of the conduction hole (3)
It connects.
3. a kind of sub-connecting switch of transformer tool for drawing oil sample according to claim 2, which is characterized in that described to draw
Stem bar (5) is equipped with hole.
4. a kind of sub-connecting switch of transformer tool for drawing oil sample according to claim 2, which is characterized in that described to draw
Stem bar (5) is equipped with dust cap.
5. a kind of sub-connecting switch of transformer tool for drawing oil sample according to claim 1, which is characterized in that described to draw
Flow structure includes conduction hole (3) and drainage tube (4), and the drainage tube (4) and the conduction hole (3), which are interconnected, to be arranged.
6. a kind of sub-connecting switch of transformer tool for drawing oil sample according to claim 5, which is characterized in that the bottom
Plate (1) is equipped with the self-styled reinforcing post of hose (8).
7. a kind of sub-connecting switch of transformer tool for drawing oil sample described according to claim 1 or 2 or 5, which is characterized in that
The flow-guiding structure includes Oil Guide hose (6), and the Oil Guide hose (6) and the drainage tube (4) are detachably connected.
8. a kind of sub-connecting switch of transformer tool for drawing oil sample according to claim 7, which is characterized in that described to lead
Oily hose (6) is equipped with valve (7).
9. a kind of sub-connecting switch of transformer tool for drawing oil sample according to claim 1, which is characterized in that the company
Binding structure includes several slots (2), and the quantity of slot (2) is at least four.
10. a kind of sub-connecting switch of transformer tool for drawing oil sample according to claim 1, which is characterized in that described
Bottom plate (1) is equipped with seal groove (9), is equipped with sealing rubber ring in the seal groove (9), the seal groove (9) with it is described
Sealing rubber ring matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811537084.7A CN109637859B (en) | 2018-12-14 | 2018-12-14 | Transformer tapping switch tool for taking oil samples |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811537084.7A CN109637859B (en) | 2018-12-14 | 2018-12-14 | Transformer tapping switch tool for taking oil samples |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109637859A true CN109637859A (en) | 2019-04-16 |
| CN109637859B CN109637859B (en) | 2024-05-03 |
Family
ID=66074222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811537084.7A Active CN109637859B (en) | 2018-12-14 | 2018-12-14 | Transformer tapping switch tool for taking oil samples |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109637859B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110736646A (en) * | 2019-10-16 | 2020-01-31 | 国网河北省电力有限公司 | Oil taking auxiliary device of main transformer tap switch |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110063064A1 (en) * | 2008-06-06 | 2011-03-17 | Wolfgang Albrecht | Power transformer having a stepping switch |
| CN202884331U (en) * | 2012-10-31 | 2013-04-17 | 国家电网公司 | Multifunctional current transformer charged oil-sampling linker |
| CN204027869U (en) * | 2014-08-29 | 2014-12-17 | 国网山东胶州市供电公司 | The special oil thief of transformer |
| US20160322151A1 (en) * | 2014-01-22 | 2016-11-03 | Abb Technology Ltd | A Device Comprising A High Voltage Apparatus Including A Fluid And Equipment For Detecting One Or More Physical Properties Of The Fluid |
| CN107677507A (en) * | 2017-10-11 | 2018-02-09 | 广东电网有限责任公司东莞供电局 | A kind of oil sealed sampling device for main transformer on-load switch |
| CN108318290A (en) * | 2018-05-11 | 2018-07-24 | 吴江远洋电气有限责任公司 | A kind of on-load tap-changer of transformer oil sealed sampling device |
| CN209168974U (en) * | 2018-12-14 | 2019-07-26 | 广东电网有限责任公司 | A kind of sub-connecting switch of transformer tool for drawing oil sample |
-
2018
- 2018-12-14 CN CN201811537084.7A patent/CN109637859B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110063064A1 (en) * | 2008-06-06 | 2011-03-17 | Wolfgang Albrecht | Power transformer having a stepping switch |
| CN202884331U (en) * | 2012-10-31 | 2013-04-17 | 国家电网公司 | Multifunctional current transformer charged oil-sampling linker |
| US20160322151A1 (en) * | 2014-01-22 | 2016-11-03 | Abb Technology Ltd | A Device Comprising A High Voltage Apparatus Including A Fluid And Equipment For Detecting One Or More Physical Properties Of The Fluid |
| CN204027869U (en) * | 2014-08-29 | 2014-12-17 | 国网山东胶州市供电公司 | The special oil thief of transformer |
| CN107677507A (en) * | 2017-10-11 | 2018-02-09 | 广东电网有限责任公司东莞供电局 | A kind of oil sealed sampling device for main transformer on-load switch |
| CN108318290A (en) * | 2018-05-11 | 2018-07-24 | 吴江远洋电气有限责任公司 | A kind of on-load tap-changer of transformer oil sealed sampling device |
| CN209168974U (en) * | 2018-12-14 | 2019-07-26 | 广东电网有限责任公司 | A kind of sub-connecting switch of transformer tool for drawing oil sample |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110736646A (en) * | 2019-10-16 | 2020-01-31 | 国网河北省电力有限公司 | Oil taking auxiliary device of main transformer tap switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109637859B (en) | 2024-05-03 |
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