CN105805403A - Oil drain valve for 10KV oil-immersed transformers - Google Patents
Oil drain valve for 10KV oil-immersed transformers Download PDFInfo
- Publication number
- CN105805403A CN105805403A CN201610395595.4A CN201610395595A CN105805403A CN 105805403 A CN105805403 A CN 105805403A CN 201610395595 A CN201610395595 A CN 201610395595A CN 105805403 A CN105805403 A CN 105805403A
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- CN
- China
- Prior art keywords
- oil
- throttle valve
- primary
- throttle
- secondary plug
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K35/00—Means to prevent accidental or unauthorised actuation
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention discloses an oil drain valve for 10KV oil-immersed transformers, comprising a first throttle valve (1), a second throttle valve (2), a combined plug (3), a residue cover (4) and a door lock (5). The combined plug (3) is fixed in the first throttle valve (1), the residue cover (4) is fixed to one side, in communication with and close to an oil inlet of the first throttle valve (1), of the middle of the combined plug (3), one side of the combined plug (3) close to an oil outlet of the first throttle valve (1) is fixedly connected with the second throttle valve (2), and an oil outlet of the first throttle valve (1) is fixedly provided with the door lock (5); the oil drain valve can be removed and changed without powering off or causing leakage of transformer oil; oil discharge is relatively accurate, impurities in the transformer oil are also filtered, sampling requirements are met, and the later process for replacing the combined plug, the residue cover and the second throttle valve is very simple; the door lock is mounted so that criminals are prevented from removing the oil drain valve to steal oil.
Description
Technical field
The invention belongs to transformer technology field, particularly to a kind of 10KV level oil-filled transformer fuel outlet valve.
Background technology
Current oil-filled transformer need to change internal heat dissipating oil or from transformator taking-up oil sample when carrying out quality examination, need to carry out oil extraction process from bleeder plug, the medium-and-large-sized transformator of existing design has fuel outlet valve and sample tap, and generally the two is united two into one by miniature transformer, the problem that currently bleeder plug of this structure that unites two into one is common has: when carrying out this oil of dismounting and change and being stifled, can not power failure operation, the leakage of transformer oil can be caused, pollute work and surrounding enviroment, it is easy to reported by neighbouring people；This bleeder plug simple in construction, use common conventional spanner just can easy removal, often have lawless person to steal transformer oil after dismantling, because of transformer oil stolen after, cause transformator heat sinking function to be deteriorated, cause it to damage, and then make circuit power-off；In the process carrying out transformer oil sampling, general sampling oil is less than 80ML, what high-power transformer adopted is negative pressure absorbing method, namely syringe principle is used, sampling oil is extracted from sample tap, working environment is not polluted in whole operating process, oil-free is revealed, and extraction amount is relatively accurate, pollute without middle, but the bleeder plug united two into one that miniature transformer uses, cannot accomplish, and when being sampled, what open that first bleeder plug discharge is " dead oil " containing impurity and dirt, then could discharge the oil meeting sampling.
Application number be 201220128415.3 utility model patent disclose a kind of transformer anti-theft oil drain valve, including valve body and spool, tapped drain oil it is provided with in valve body, the wall portion of valve body is provided with thief hole, the end of spool is provided with sealing ring, drain oil end in valve body is provided with step, spool can in precession thief hole, after screwing, the sealing ring of the end of spool withstands on drain oil end and is provided with on step surface, and spool front end is cylinder termination, and the cylindrical of termination is provided with a circle groove, being provided with annulus in groove, annulus exceeds the periphery of termination.Currently used this transformer anti-theft oil drain valve structure relative complex, simultaneously function singleness, the quality of the oil of uncontrollable releasing simultaneously and discharging amount.
Summary of the invention
For the deficiencies in the prior art, the technical problem to be solved in the present invention is to provide a kind of can avoid oil leakage carrying out removing and installing or change in transformer oil is drained the oil, prevent lawless person from arbitrarily dismantling simultaneously, oil sample and Oil drain operation can be exchanged in the premise incision avoiding secondary pollution, and accomplish whole process 10KV level oil-filled transformer fuel outlet valve relatively accurately.
In order to solve technical problem proposed by the invention, the invention discloses a kind of 10KV level oil-filled transformer fuel outlet valve, including first throttle valve, second throttle, primary and secondary plug, anti-slag cover and door lock, described primary and secondary plug is fixedly installed in first throttle valve and is positioned at the oil-out side of first throttle valve, in the middle part of described primary and secondary plug, connection and close first throttle valve oil-in side are fixedly installed anti-slag cover, described primary and secondary plug is fixing with second throttle near the side of first throttle valve oil-out to be connected, and the oil-out of described first throttle valve is fixedly installed door lock.
As a modification of the present invention, described first throttle valve includes first throttle valve body, adjusting knob and connecting tube, and described adjusting knob is arranged on first throttle valve body, and described connecting tube is fixing with first throttle valve body to be connected.
As a modification of the present invention, described primary and secondary plug includes primary and secondary plug body, installs pedestal and regulating tank, connect in the middle part of described primary and secondary plug body, described installation pedestal is circular ring type and the middle part being fixedly installed on primary and secondary plug body, and described regulating tank is arranged on primary and secondary plug body near the side of oil-out.
As a modification of the present invention, described regulating tank is inner hexagonal hole and quantity is two.
As a modification of the present invention, described first throttle valve is one-way throttle valve, and described second throttle is plug-in throttle valve.
As a modification of the present invention, described first throttle valve is threadeded either directly through sealing with primary and secondary plug, is threadeded by sealing between described second throttle with primary and secondary plug.
As a modification of the present invention, weld after being threaded connection between described first throttle valve and transformator.
As a modification of the present invention, it is outer six square nuts outside described second throttle.
Generally speaking, there is advantages that
1. 10KV level oil-filled transformer fuel outlet valve disclosed by the invention is when carrying out dismounting and change, it is possible to is operated in the event of a power failure, does not result in the leakage of transformer oil, will not pollute work and surrounding enviroment；
2. 10KV level oil-filled transformer fuel outlet valve disclosed by the invention being controlled with the use of to the process drained the oil by first throttle valve, second throttle, primary and secondary plug and anti-slag cover, the amount of draining the oil can be made relatively accurate, do not result in secondary pollution, impurity in transformer oil can be filtered by anti-slag cover simultaneously, making it meet the requirement of sampling, simultaneously to coordinate the process controlling to drain the oil that the later stage can be made to change the process of primary and secondary plug, anti-slag cover and second throttle very easy for first throttle valve and second throttle；
3. 10KV level oil-filled transformer fuel outlet valve disclosed by the invention is possible to prevent lawless person to steal transformer oil after dismantling fuel outlet valve at the oil-out installation door lock of first throttle valve, avoid thus resulting in transformator heat sinking function to be deteriorated, cause it to damage, and then make circuit power-off.
Accompanying drawing explanation
Figure 110 KV level oil-filled transformer fuel outlet valve uses state stereogram；
Figure 21 0KV level oil-filled transformer fuel outlet valve uses state front view；
The I region partial enlarged drawing of Fig. 3 Fig. 2；
Figure 41 0KV level oil-filled transformer fuel outlet valve axonometric chart；
Fig. 5 primary and secondary plug axonometric chart；
Fig. 6 primary and secondary plug front view；
Fig. 7 primary and secondary plug sectional view；
Wherein:
1 first throttle valve, 11 first throttle valve bodies, 12 adjusting knobs, 13 connecting tubes；
2 second throttle；
3 primary and secondary plugs, 31 primary and secondary plug bodies, 32 install pedestal, 33 regulating tanks；
4 anti-slag covers；
5 door locks；
6 transformators.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, Figure 2, Fig. 3, Fig. 4, shown in Fig. 5, Fig. 6 and Fig. 7, the invention discloses a kind of 10KV level oil-filled transformer fuel outlet valve, this 10KV level oil-filled transformer fuel outlet valve includes first throttle valve 1, second throttle 2, primary and secondary plug 3, anti-slag cover 4 and door lock 5, described first throttle valve 1 includes first throttle valve body 11, adjusting knob 12 and connecting tube 13, described adjusting knob 12 is arranged on first throttle valve body 11, and described connecting tube 13 is fixing with first throttle valve body 11 to be connected；nullDescribed primary and secondary plug 3 includes primary and secondary plug body 31、Pedestal 32 and regulating tank 33 are installed，Connect in the middle part of described primary and secondary plug body 31，Described installation pedestal 32 is circular ring type and the middle part being fixedly installed on primary and secondary plug body 31，Described primary and secondary plug 3 is fixedly installed in first throttle valve 1 and is positioned at the oil-out side of first throttle valve 1，Described first throttle valve body 11 is threadeded either directly through sealing with primary and secondary plug body 31，The middle part connection of described primary and secondary plug body 31 and the side near first throttle valve 1 oil-in are fixedly installed anti-slag cover 4，Described primary and secondary plug body 31 is connected and connected mode is threaded for sealing near the side of first throttle valve 1 oil-out and second throttle 2 is fixing，It is outer six square nuts outside described second throttle 2，Described regulating tank 33 is arranged on primary and secondary plug body 31 near the side of oil-out，Described regulating tank 33 is two for inner hexagonal hole and quantity，The oil-out of described first throttle valve 1 is fixedly installed door lock 5.
As shown in Figure 1, Figure 2 and Figure 3, between first throttle valve described in use procedure 1 with transformator 6 by seal threaded after weld, and described first throttle valve 1 can be selected for one-way throttle valve, and described second throttle 2 can be selected for plug-in throttle valve.
Below the operation principle of the present invention is briefly described:
When drawing oil sample, door lock 5 is opened by staff with key, the oil-out of extractor with second throttle 2 is connected, first throttle valve 1 is rotated after completing connection, oil flows into second throttle place after filtering out the impurity in transformer oil by anti-slag cover 4, outer six square nuts rotating second throttle 2 control oil flow；After having extracted oil sample, first throttle valve and second throttle are closed, locks door lock 5, complete whole to take oil process.
When needing to change second throttle 2, primary and secondary plug 3 or anti-slag cover 4, first throttle valve 1 cuts out, prevent oil leakage, open door lock 5 afterwards, snap in the oil-out of first throttle valve 1 of can back-outing in two regulating tanks 33 being shaped as inner hexagonal hole on end face outside primary and secondary plug 3 with spanner, change second throttle 2, primary and secondary plug 3 or anti-slag cover 4 afterwards.
The foregoing is only the better embodiment of the present invention, the invention is not limited in above-mentioned embodiment, implementation process would be likely to occur the structural modification that local is small, if to the various changes of the present invention or modification without departing from the spirit and scope of the present invention, and belonging within claim and the equivalent technologies scope of the present invention, then invention is also intended to comprise these change and modification.
Claims (8)
1. a 10KV level oil-filled transformer fuel outlet valve, including first throttle valve (1), second throttle (2), primary and secondary plug (3), anti-slag cover (4) and door lock (5), described primary and secondary plug (3) is fixedly installed in first throttle valve (1) and is positioned at the oil-out side of first throttle valve (1), the connection of described primary and secondary plug (3) middle part and close first throttle valve (1) oil-in side are fixedly installed anti-slag cover (4), described primary and secondary plug (3) is fixing with second throttle (2) near the side of first throttle valve (1) oil-out to be connected, the oil-out of described first throttle valve (1) is fixedly installed door lock (5).
2. 10KV level oil-filled transformer fuel outlet valve according to claim 1, it is characterized in that: described first throttle valve (1) includes first throttle valve body (11), adjusting knob (12) and connecting tube (13), described adjusting knob (12) is arranged on first throttle valve body (11), and described connecting tube (13) is fixing with first throttle valve body (11) to be connected.
3. 10KV level oil-filled transformer fuel outlet valve according to claim 1, it is characterized in that: described primary and secondary plug (3) includes primary and secondary plug body (31), installs pedestal (32) and regulating tank (33), the connection of described primary and secondary plug body (31) middle part, described installation pedestal (32) is circular ring type and the middle part being fixedly installed on primary and secondary plug body (31), and described regulating tank (33) is arranged on the upper side near oil-out of primary and secondary plug body (31).
4. 10KV level oil-filled transformer fuel outlet valve according to claim 1, it is characterised in that: described regulating tank (33) is two for inner hexagonal hole and quantity.
5. 10KV level oil-filled transformer fuel outlet valve according to claim 1, it is characterised in that: described first throttle valve (1) is one-way throttle valve, and described second throttle (2) is plug-in throttle valve.
6. 10KV level oil-filled transformer fuel outlet valve according to claim 1, it is characterized in that: described first throttle valve (1) threadeds either directly through sealing with primary and secondary plug (3), is threadeded by sealing between described second throttle (2) with primary and secondary plug (3).
7. 10KV level oil-filled transformer fuel outlet valve according to claim 1, it is characterised in that: weld after being threaded connection between described first throttle valve (1) and transformator (6).
8. 10KV level oil-filled transformer fuel outlet valve according to claim 1, it is characterised in that: described second throttle (2) outside is outer six square nuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610395595.4A CN105805403A (en) | 2016-06-07 | 2016-06-07 | Oil drain valve for 10KV oil-immersed transformers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610395595.4A CN105805403A (en) | 2016-06-07 | 2016-06-07 | Oil drain valve for 10KV oil-immersed transformers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105805403A true CN105805403A (en) | 2016-07-27 |
Family
ID=56427974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610395595.4A Pending CN105805403A (en) | 2016-06-07 | 2016-06-07 | Oil drain valve for 10KV oil-immersed transformers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105805403A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3291255A1 (en) * | 2016-08-29 | 2018-03-07 | General Electric Technology GmbH | Bi-directional oil-flow adapter for attaching to a valve controlled port of a transformer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2089102U (en) * | 1991-05-17 | 1991-11-20 | 中国人民解放军八七四五六部队 | Oil-filling and drainage valve |
| CN201562529U (en) * | 2009-11-03 | 2010-08-25 | 保定天威集团有限公司 | Oil-draining and gas-discharging plug |
| JP2011040588A (en) * | 2009-08-12 | 2011-02-24 | Hitachi Industrial Equipment Systems Co Ltd | Oil-immersed transformer |
| CN202441982U (en) * | 2012-02-20 | 2012-09-19 | 浙江江山特种变压器有限公司 | Dual-purpose anti-theft transformer oil-drain valve |
| CN204437403U (en) * | 2015-01-04 | 2015-07-01 | 顾志情 | A kind of control fuel tap adjusting sampling oil mass |
| CN205014011U (en) * | 2015-09-16 | 2016-02-03 | 鞍钢集团矿业公司 | A anti -theft device for oil tank |
-
2016
- 2016-06-07 CN CN201610395595.4A patent/CN105805403A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2089102U (en) * | 1991-05-17 | 1991-11-20 | 中国人民解放军八七四五六部队 | Oil-filling and drainage valve |
| JP2011040588A (en) * | 2009-08-12 | 2011-02-24 | Hitachi Industrial Equipment Systems Co Ltd | Oil-immersed transformer |
| CN201562529U (en) * | 2009-11-03 | 2010-08-25 | 保定天威集团有限公司 | Oil-draining and gas-discharging plug |
| CN202441982U (en) * | 2012-02-20 | 2012-09-19 | 浙江江山特种变压器有限公司 | Dual-purpose anti-theft transformer oil-drain valve |
| CN204437403U (en) * | 2015-01-04 | 2015-07-01 | 顾志情 | A kind of control fuel tap adjusting sampling oil mass |
| CN205014011U (en) * | 2015-09-16 | 2016-02-03 | 鞍钢集团矿业公司 | A anti -theft device for oil tank |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3291255A1 (en) * | 2016-08-29 | 2018-03-07 | General Electric Technology GmbH | Bi-directional oil-flow adapter for attaching to a valve controlled port of a transformer |
| US10495622B2 (en) | 2016-08-29 | 2019-12-03 | General Electric Technology Gmbh | Bi-directional oil-flow adapter for attaching to a valve-controlled port of a transformer |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160727 |
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| RJ01 | Rejection of invention patent application after publication |