JPH09106918A - Oil-filled electrical equipment - Google Patents
Oil-filled electrical equipmentInfo
- Publication number
- JPH09106918A JPH09106918A JP26160695A JP26160695A JPH09106918A JP H09106918 A JPH09106918 A JP H09106918A JP 26160695 A JP26160695 A JP 26160695A JP 26160695 A JP26160695 A JP 26160695A JP H09106918 A JPH09106918 A JP H09106918A
- Authority
- JP
- Japan
- Prior art keywords
- conservator
- pressure
- pressure relief
- tank
- oil
- 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
Landscapes
- Transformer Cooling (AREA)
Abstract
(57)【要約】
【課題】 支持構造の簡素化を図り、保守点検時の作業
者の安全性を確保する。
【解決手段】 コンサベータ本体８の一部が放圧室１８
を構成するため、コンサベータと放圧装置とを各々個別
に設置することが不要になり、それだけ部品点数を削減
でき、かつ支持構造を簡素化できる。またコンサベータ
本体８に放圧室１８が形成されるのに加え、コンサベー
タ本体８の放圧室１８とタンクカバー１ａとの間に放圧
管２０が接続されるので、コンサベータ本体８の支持を
強固にでき、作業員が保守点検作業等のためそれらの上
に上がっても、コンサベータ及び放圧装置の双方が揺れ
ることがなく、従って、高所作業での安全性を確保でき
る。
(57) [Abstract] [PROBLEMS] To simplify the support structure and ensure the safety of workers during maintenance and inspection. A part of the main body 8 of the conservator is a pressure release chamber 18.
Therefore, it is not necessary to separately install the conservator and the pressure release device, the number of parts can be reduced, and the support structure can be simplified. Further, in addition to the pressure relief chamber 18 being formed in the conservator body 8, the pressure relief pipe 20 is connected between the pressure relief chamber 18 of the conservator body 8 and the tank cover 1a. Even if the worker climbs on them for maintenance and inspection work, neither the conservator nor the pressure relief device will sway, and therefore safety in high places work can be secured.
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、タンク内に変圧器
及び絶縁油を入れた油入電気機器に係り、特に、コンサ
ベータと放圧装置とを備えた大容量タイプに好適な電気
機器に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an oil-filled electric device in which a transformer and insulating oil are put in a tank, and more particularly to an electric device suitable for a large capacity type having a conservator and a pressure release device. It is a thing.
【０００２】[0002]
【従来の技術】従来、大容量タイプの油入電気機器にあ
ってはタンクの他、コンサベータと放圧装置とを有して
いる。コンサベータは、タンク内の絶縁油が温度によっ
て膨張或いは収縮して変化したとき、絶縁油の膨張を吸
収させ或いは収縮を緩和させるためのものである。放圧
装置は、電気機器の故障等によってタンク内が高圧にな
ったとき、その高い圧力を大気に放圧させてタンクが破
損するのを防止するようにしている。そして、このよう
な油入電気機器は、コンサベータと放圧装置とが個別に
設置されていることから、保守点検を別々に行うのが実
情である。2. Description of the Related Art Conventionally, a large-capacity type oil-filled electric device has a tank, a conservator, and a pressure release device. The conservator is for absorbing or relaxing the expansion of the insulating oil when the insulating oil in the tank expands or contracts due to temperature and changes. The pressure relief device is designed to prevent the tank from being damaged by releasing the high pressure to the atmosphere when the pressure inside the tank becomes high due to a failure of electric equipment or the like. Further, in such an oil-filled electric device, since the conservator and the pressure release device are separately installed, it is the actual situation that the maintenance and inspection are performed separately.
【０００３】なお、この種の装置に関連するものとし
て、例えば特公平６−７３３３７号公報，同６−７３３
３８号公報，特開平７−５７９４１号公報等が挙げられ
る。As a device related to this type of device, for example, Japanese Patent Publication No. 6-73337 and 6-733.
38, JP-A-7-57941 and the like.
【０００４】[0004]
【発明が解決しようとする課題】ところで、従来技術の
油入電気機器は、上述の如く、コンサベータと放圧装置
とが個別に設置されているので、各々を個々に支持する
構造となっており、しかも各々の支持構造が複雑とな
り、部品点数が多くかつ製作に手間がかかると云う問題
がある。また、コンサベータ及び放圧装置は、元来大容
量の油入電気機器に設けられるものであって、高所に設
置されるので、保守点検時や補機の取付時には、高所作
業となるばかりでなく、揺れたりしてしまい、危険を招
くおそれがある。さらに、保守点検の際の揺れを防止し
ようとすると、それだけ支持構造を強固にしなければな
らない問題がある。By the way, in the oil-filled electrical equipment of the prior art, since the conservator and the pressure release device are separately installed as described above, the structure is such that each of them is individually supported. In addition, there is a problem that each supporting structure is complicated, the number of parts is large, and the manufacturing is troublesome. In addition, since the conservator and pressure relief device are originally installed in large-capacity oil-filled electrical equipment and are installed at high places, work at high places is required during maintenance inspections and auxiliary equipment installation. Not only that, there is a risk of shaking and causing danger. Further, in order to prevent shaking during maintenance and inspection, there is a problem that the supporting structure must be strengthened accordingly.
【０００５】本発明の目的は、上記従来技術の問題点に
鑑み、放圧装置の支持構造の簡素化を確実に図ることが
できる油入電気機器を提供することにあり、他の目的
は、放圧装置及びコンサベータの支持強度を高め、保守
点検時の作業者の安全性をも確保し得る油入電気機器を
提供することにある。In view of the above problems of the prior art, an object of the present invention is to provide an oil-filled electrical device which can surely simplify the support structure of the pressure relief device, and another object is to provide: An object of the present invention is to provide an oil-filled electrical device that can increase the support strength of the pressure relief device and the conservator and can also ensure the safety of the operator during maintenance and inspection.
【０００６】[0006]
【課題を解決するための手段】本発明では、変圧器を内
蔵したタンクと、該タンク内の絶縁油の膨張・収縮を吸
収・緩和するコンサベータと、タンク内の圧力上昇時、
該圧力を放圧させる放圧装置とを備えた油入電気機器に
おいて、コンサベータのコンサベータ本体に放圧装置を
一体的に組み付けたことを特徴とするものである。According to the present invention, a tank having a built-in transformer, a conservator for absorbing / releasing expansion / contraction of insulating oil in the tank, and a pressure increase in the tank,
In an oil-filled electrical device including a pressure releasing device for releasing the pressure, the pressure releasing device is integrally assembled to the conservator body of the conservator.
【０００７】上述の如く、コンサベータ本体に放圧装置
を一体的に組み付け、コンサベータ本体が放圧室を構成
するため、従来技術のように、コンサベータと放圧装置
とを各々個別に設置することが不要になり、それだけ部
品点数を削減することができ、かつ支持構造を簡素化す
ることができる。As described above, since the pressure relief device is integrally assembled to the conservator body and the conservator body constitutes the pressure relief chamber, the conservator and the pressure relief device are individually installed as in the prior art. Is unnecessary, the number of parts can be reduced, and the support structure can be simplified.
【０００８】また、本発明では、コンサベータ本体に一
体的に組み付けられた放圧装置が、コンサベータ本体に
該コンサベータ本体と独立的に区画された放圧室と、放
圧室とタンクとを接続する放圧管と、放圧室の外部に取
付けられた放圧弁とを有して放圧装置を構成したことを
特徴とするものである。Further, according to the present invention, the pressure release device integrally assembled to the conservator main body includes a pressure release chamber defined in the conservator main body independently of the conservator main body, a pressure release chamber and a tank. It is characterized in that the pressure release device is configured to have a pressure release pipe for connecting the pressure release valve and a pressure release valve attached to the outside of the pressure release chamber.
【０００９】上述の如く、コンサベータに放圧装置が一
体的に組み付けられるのに加え、コンサベータ本体の放
圧室とタンクとの間を放圧管で接続すると、コンサベー
タ及び放圧装置の双方の支持を強固にすることができ
る。即ち、放圧室とタンクとを接続する放圧管はその機
能上、コンサベータの検出管に比較し太い配管であり、
その太い配管がタンクとコンサベータ本体との間に設け
られると、これがコンサベータ本体の支持を兼用するこ
とができ、従って、コンサベータ及び放圧装置双方の支
持強度をいっそう高めることができる。そのため、作業
員が保守点検作業等のためそれらの上に上がっても、コ
ンサベータ及び放圧装置の双方が揺れることがなくな
り、従って、高所作業での安全性を確保することができ
る。As described above, in addition to the pressure relief device being integrally assembled to the conservator, when the pressure relief chamber of the main body of the conservator and the tank are connected by the pressure relief pipe, both the conservator and the pressure relief device are connected. Can be strongly supported. That is, the pressure relief pipe that connects the pressure relief chamber and the tank is a thicker pipe in comparison with the detection pipe of the conservator because of its function.
If the thick pipe is provided between the tank and the conservator main body, it can double as the support of the conservator main body, and therefore, the support strength of both the conservator and the pressure relief device can be further enhanced. Therefore, even if the worker goes up on them for maintenance and inspection work, both the conservator and the pressure release device do not sway, and therefore, safety in high place work can be secured.
【００１０】[0010]
【発明の実施の形態】以下、本発明の実施例を図１及び
図２により説明する。図１は本発明による油入電気機器
の第一の実施例を示している。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to FIGS. FIG. 1 shows a first embodiment of an oil-filled electric device according to the present invention.
【００１１】図１に示す油入り電気機器は、タンク１
と、コンサベータ（符示せず）と、放圧装置（符示せ
ず）とを有している。The oil-filled electric device shown in FIG.
, A conservator (not shown), and a pressure release device (not shown).
【００１２】タンク１は、鉄心２と該鉄心に巻装された
巻線３とからなる変圧器が内蔵されると共に、絶縁油４
が封入されている。またタンク１には放熱器５が接続さ
れ、該放熱器５は、タンク１内の絶縁油４を通過させる
ことにより放熱させ、絶縁油４の温度上昇を抑制するよ
うにしている。The tank 1 has a built-in transformer including an iron core 2 and a winding 3 wound around the iron core, and an insulating oil 4
Is enclosed. A radiator 5 is connected to the tank 1, and the radiator 5 allows the insulating oil 4 in the tank 1 to pass therethrough to radiate heat, thereby suppressing a rise in temperature of the insulating oil 4.
【００１３】コンサベータは、タンクカバー１ａの上に
支持台６が固定され、その支持台６に脚部材７を介しコ
ンサベータ本体８が設置されると共に、該本体８が検出
管９を介しタンク１と接続され、検出管９によりコンサ
ベータ本体８内とタンク１内とで絶縁油４が流通する。
なお、検出管９は、その一端がコンサベータ本体８の下
部に設けられたフランジ１０に接続され、他端がタンク
カバー１ａに突出するフランジ１１に接続されている。In the conservator, a support base 6 is fixed on a tank cover 1a, a main body 8 of the conservator is installed on the support base 6 via a leg member 7, and the main body 8 is connected via a detection tube 9 to the tank. 1 and the detection pipe 9 allows the insulating oil 4 to flow between the conservator body 8 and the tank 1.
The detection tube 9 has one end connected to a flange 10 provided at a lower portion of the conservator body 8 and the other end connected to a flange 11 projecting from the tank cover 1a.
【００１４】そして、検出管９の途中位置にはピトー継
電器１２が設けられ、該ピトー継電器１２は、検出管９
を通過するガス量の異常を検出すると、また絶縁油４の
流速の異常を検出すると、変圧器の電気回路を遮断した
り警報を発したりすることによりトリップ動作する。A pitot relay 12 is provided at an intermediate position of the detection tube 9, and the pitot relay 12 is provided in the detection tube 9.
When an abnormality in the amount of gas passing through is detected or an abnormality in the flow rate of the insulating oil 4 is detected, the trip operation is performed by interrupting the electric circuit of the transformer or issuing an alarm.
【００１５】このコンサベータは、タンク１内の絶縁油
４が温度によって変化したとき、即ち、絶縁油が高温と
なることによって膨張したとき、その膨張を吸収し、ま
た絶縁油が低温となることによって収縮したとき、その
収縮を緩和するためのものであり、そのため、コンサベ
ータ本体８の内部に配置されたゴムセル１３と、該ゴム
セル１３と接続フランジ１４を介し接続されると共にタ
ンク１内に配置された吸湿呼吸器１５とを有している。
吸湿呼吸器１５とゴムセル１３との接続に際しては、コ
ンサベータ本体８上で作業できるようにするため、接続
フランジ１４がコンサベータ本体８の上部に配置されて
いる。さらにコンサベータ本体８の一端面には内部の絶
縁油４の量を表示するための油面計１６が設けられてい
る。This conservator absorbs the expansion when the insulating oil 4 in the tank 1 changes with temperature, that is, when the insulating oil expands due to the high temperature, and the insulating oil becomes low temperature. When it is contracted by, it is for alleviating the contraction. Therefore, the rubber cell 13 arranged inside the conservator body 8 is connected to the rubber cell 13 via the connecting flange 14 and is arranged in the tank 1. And a hygroscopic respirator 15 that is operated.
When connecting the hygroscopic respirator 15 and the rubber cell 13, a connection flange 14 is arranged on the upper part of the conservator main body 8 so that the work can be performed on the conservator main body 8. Further, an oil level gauge 16 for displaying the amount of the insulating oil 4 inside is provided on one end surface of the conservator body 8.
【００１６】放圧装置は、電気機器が万一故障し、タン
ク１内の圧力が上昇したとき、放圧弁１７を開弁するこ
とによって大気に放圧させるものである。The pressure release device is designed to release the pressure to the atmosphere by opening the pressure release valve 17 when the electric equipment should malfunction and the pressure in the tank 1 rises.
【００１７】この実施例においては、コンサベータ本体
８の他端部に放圧室１８が区画して形成され、内部に絶
縁油４が封入されている。即ち、放圧室１８は、コンサ
ベータ本体８の他端側に設けられた仕切板１９により、
コンサベータ本体内とは独立的に区画されており、放圧
管２０によりタンク１と接続されている。そして、放圧
室１８の外部側面の上部にフランジ２１を介し放圧弁１
７が接続され、電気機器の異常によってタンク内が異常
高圧となったとき、放圧弁１７を開弁し得るようにして
いる。従って、放圧弁１７と放圧室１８と放圧管２０と
で放圧装置が構成されている。なお、放圧管２０の一端
が放圧室１８の底部に設けられたフランジ２２に、かつ
他端がタンクカバー１ａ上に突出したフランジ２３に各
々接続されている。In this embodiment, a pressure release chamber 18 is defined at the other end of the conservator body 8 and an insulating oil 4 is enclosed inside. That is, the pressure release chamber 18 is formed by the partition plate 19 provided on the other end side of the conservator main body 8.
It is partitioned independently from the inside of the conservator body, and is connected to the tank 1 by a pressure relief pipe 20. Then, the pressure release valve 1 is provided above the outer side surface of the pressure release chamber 18 via the flange 21.
7 is connected so that the pressure release valve 17 can be opened when the pressure in the tank becomes abnormally high due to an abnormality in the electric device. Therefore, the pressure relief valve 17, the pressure relief chamber 18, and the pressure relief pipe 20 constitute a pressure relief device. In addition, one end of the pressure release pipe 20 is connected to a flange 22 provided at the bottom of the pressure release chamber 18, and the other end is connected to a flange 23 protruding above the tank cover 1a.
【００１８】さらに、コンサベータ本体８上には手摺２
４が設けられ、作業員の高所作業に対する安全性を配慮
している。Further, the handrail 2 is mounted on the main body 8 of the conservator.
4 is provided to ensure the safety of workers in high-altitude work.
【００１９】実施例は、上記の如く、コンサベータ本体
８にその本体内と独立的に区画され、かつタンク１と接
続された放圧室１８が形成され、その放圧室１８の外部
に放圧弁１７が取付けられているので、コンサベータに
放圧装置を一体的に組み付けたこととなる。即ち、コン
サベータ本体８の一部が放圧室１８を構成するため、従
来技術のように、コンサベータと放圧装置とを各々個別
に設置することが不要になり、それだけ部品点数を削減
することができ、かつ支持構造を簡素化することができ
る。In the embodiment, as described above, the conservator body 8 is formed with the pressure relief chamber 18 which is partitioned from the inside of the conservator body and is connected to the tank 1. The pressure relief chamber 18 is released to the outside of the pressure relief chamber 18. Since the pressure valve 17 is attached, the pressure relief device is integrally assembled to the conservator. That is, since part of the main body 8 of the conservator constitutes the pressure release chamber 18, it is not necessary to separately install the conservator and the pressure release device as in the conventional technique, and the number of parts is reduced accordingly. In addition, the support structure can be simplified.
【００２０】また、コンサベータに放圧装置が一体的に
組み付けられるのに加え、コンサベータ本体８の放圧室
１８とタンクカバー１ａとの間に放圧管２０が接続され
ているので、コンサベータ及び放圧装置の双方の支持を
強固にすることができる。即ち、放圧室１８とタンク１
とを接続する放圧管２０はその機能上、コンサベータの
検出管９に比較し太い配管であり、その太い配管がタン
クカバー１ａとコンサベータ本体８との間に設けられる
と、これがコンサベータ本体８の支持を兼用することが
でき、従って、コンサベータ及び放圧装置双方の支持強
度をいっそう高めることができる。そのため、作業員が
保守点検作業等のためそれらの上に上がっても、コンサ
ベータ及び放圧装置の双方が揺れることがなくなり、従
って、高所作業での安全性を確保することができる。し
かも、コンサベータ８には手摺２４が取付けられている
ので、コンサベータ本体８上での作業のより安全性を図
ることもできる。Further, in addition to the pressure relief device being integrally assembled to the conservator, the pressure relief pipe 20 is connected between the pressure relief chamber 18 of the main body 8 of the conservator and the tank cover 1a. It is possible to strengthen the support of both the pressure release device and the pressure release device. That is, the pressure release chamber 18 and the tank 1
The pressure relief pipe 20 that connects to and is a pipe thicker than the detection pipe 9 of the conservator in terms of its function, and when this thick pipe is provided between the tank cover 1a and the conservator body 8, this is the conservator body. 8 can also be used as a support, so that the support strength of both the conservator and the pressure relief device can be further increased. Therefore, even if the worker goes up on them for maintenance and inspection work, both the conservator and the pressure release device do not sway, and therefore, safety in high place work can be secured. Moreover, since the handrail 24 is attached to the conservator 8, the work on the conservator main body 8 can be made safer.
【００２１】さらに、コンサベータ本体８に放圧室１
８，放圧弁１７を組み付けると、コンサベータ及び放圧
装置の保守点検を同一の場所で行うことができ、そのた
め、従来技術のように保守点検作業を各々別の場所でい
ちいち行う必要がなくなり、点検作業がやりやすくな
る。このようなことは、交換作業においても同様の効果
がある。Further, the pressure release chamber 1 is provided in the main body 8 of the conservator.
8. When the pressure relief valve 17 is assembled, the maintenance and inspection of the conservator and the pressure relief device can be performed at the same place. Therefore, it is not necessary to perform the maintenance and inspection work at different places as in the prior art. Inspection work becomes easier. This also has the same effect in the replacement work.
【００２２】図２は本発明の他の実施例を示している。
この実施例において前記第一の実施例と異なるのは、該
第一の実施例で用いた仕切板１９を廃止し、コンサベー
タ本体８とタンクカバー６間に放圧管２０が接続された
点にある。即ち、タンクカバー１ａに放圧管２０の一端
が接続されると共に、その他端がコンサベータ本体８の
他端部の底部に設けたフランジ２２に接続されている。
そして、コンサベータ本体８において放圧管２０が接続
された近くの側面の上部にフランジ２１を介し放圧弁１
７が接続され、電気機器の故障等によってタンク１内が
高圧になったとき、放圧弁１７の開弁によりタンク１内
の高圧力を大気に排出させるようにしている。FIG. 2 shows another embodiment of the present invention.
This embodiment differs from the first embodiment in that the partition plate 19 used in the first embodiment is eliminated and the pressure relief pipe 20 is connected between the conservator body 8 and the tank cover 6. is there. That is, one end of the pressure release pipe 20 is connected to the tank cover 1a, and the other end is connected to the flange 22 provided at the bottom of the other end of the conservator body 8.
Then, in the conservator main body 8, the pressure release valve 1 is provided through the flange 21 at the upper part of the side surface near the pressure release pipe 20 connected.
7 is connected, and when the pressure in the tank 1 becomes high due to a failure of an electric device or the like, the pressure release valve 17 is opened to discharge the high pressure in the tank 1 to the atmosphere.
【００２３】また、放圧管２０の途中位置には検出管９
の一端が接続され、その他端がコンサベータ本体８の底
部に設けたフランジ１０に接続されている。検出管９の
途中位置にはピトー継電器１２が設けられ、該ピトー継
電器１２により異常なガス量及び異常流速を検出すると
トリップ動作する。Further, the detection tube 9 is provided at an intermediate position of the pressure relief tube 20.
Is connected to one end and the other end is connected to a flange 10 provided on the bottom of the conservator body 8. A pitot relay 12 is provided at an intermediate position of the detection tube 9, and when the pitot relay 12 detects an abnormal gas amount and an abnormal flow velocity, the trip operation is performed.
【００２４】この実施例によれば、コンサベータ本体８
及びタンクカバー１ａ間に単に放圧管２０が接続され、
タンク１内の高圧力が放圧管２０，コンサベータ本体
８，放圧弁１７を経て外部に排出させるよう、従って、
コンサベータ本体８が放圧室として兼用するように構成
したので、前記第一の実施例に比較し、コンサベータ本
体８に仕切板１９を設けることが不要になり、それだけ
放圧装置の部品点数を削減することができると共に、コ
ンサベータ本体８の構造の簡素化を図ることができる。According to this embodiment, the conservator body 8
And the pressure relief pipe 20 is simply connected between the tank cover 1a,
The high pressure in the tank 1 is discharged to the outside through the pressure relief pipe 20, the conservator body 8 and the pressure relief valve 17, and accordingly,
Since the main body 8 of the conservator is configured to also serve as the pressure release chamber, it is not necessary to provide the partition plate 19 on the main body 8 of the conservator as compared with the first embodiment, and the number of parts of the pressure release device is correspondingly increased. Can be reduced, and the structure of the conservator main body 8 can be simplified.
【００２５】また、検出管９が放圧管２０の途中位置と
コンサベータ本体８間に接続されているので、図１に示
す実施例に比較すると、放圧管２０と検出管９とを互い
に離れたところで別々に配管することが不要になり、そ
のため、放圧管２０と検出管９とを予め接続してユニッ
ト化しておくことができるので、配管作業の合理化を図
ることもできる。Further, since the detection pipe 9 is connected between the midway position of the pressure relief pipe 20 and the conservator body 8, the pressure relief pipe 20 and the detection pipe 9 are separated from each other as compared with the embodiment shown in FIG. By the way, it is not necessary to provide separate pipes. Therefore, the pressure relief pipe 20 and the detection pipe 9 can be connected in advance to be unitized, so that the piping work can be rationalized.
【００２６】[0026]
【発明の効果】以上述べたように、本発明の請求項１〜
４によれば、コンサベータ本体に放圧装置を一体的に組
み付けて構成したので、コンサベータと放圧装置とを各
々個別に設置することが不要になり、それだけ部品点数
を削減することができ、かつ支持構造を簡素化すること
ができる効果がある。As described above, claims 1 to 5 of the present invention.
According to 4, since the pressure relief device is integrally assembled to the conservator body, it is not necessary to separately install the conservator and the pressure relief device, and the number of parts can be reduced accordingly. Moreover, there is an effect that the support structure can be simplified.
【００２７】また、請求項２〜４によれば、コンサベー
タ本体の放圧室とタンクとの間を放圧管で接続すると、
コンサベータ及び放圧装置の双方の支持を強固にするこ
とができ、そのため、作業員が保守点検作業等のためそ
れらの上に上がっても、コンサベータ及び放圧装置の双
方が揺れることがなくなり、従って、高所作業での安全
性を確保することができる効果がある。According to the second to fourth aspects, when the pressure release chamber of the conservator body and the tank are connected by a pressure release pipe,
The support of both the conservator and the pressure relief device can be strengthened, so that even if an operator climbs on them for maintenance and inspection work, both the conservator and the pressure relief device will not shake. Therefore, there is an effect that it is possible to ensure safety in work at height.
【図１】本発明による油入電気機器の第一の実施例を示
す全体説明図。FIG. 1 is an overall explanatory view showing a first embodiment of an oil-filled electric device according to the present invention.
【図２】本発明による油入電気機器の他の実施例を示す
全体説明図。FIG. 2 is an overall explanatory view showing another embodiment of the oil-filled electric device according to the present invention.
１…タンク、２…鉄心、３…巻線、５…放熱器、６…支
持台、８…コンサベータ本体、９…検出管、１２…ピト
ー継電器、１７…放圧弁、１８…放圧室、１９…仕切
板、２０…放圧管。DESCRIPTION OF SYMBOLS 1 ... Tank, 2 ... Iron core, 3 ... Winding, 5 ... Radiator, 6 ... Support stand, 8 ... Conservator main body, 9 ... Detector tube, 12 ... Pitot relay, 17 ... Pressure release valve, 18 ... Pressure release chamber, 19 ... Partition plate, 20 ... Pressure relief pipe.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 田中 伸治 茨城県日立市国分町一丁目１番１号 株式 会社日立製作所国分工場内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Shinji Tanaka 1-1-1 Kokubuncho, Hitachi-shi, Ibaraki Hitachi Kokubun Plant, Ltd.
Claims (4)
の絶縁油の膨張・収縮を吸収・緩和するコンサベータ
と、タンク内の圧力上昇時、該圧力を放圧させる放圧装
置とを備えた油入電気機器において、コンサベータのコ
ンサベータ本体に放圧装置を一体的に組み付けたことを
特徴とする油入電気機器。1. A tank having a built-in transformer, a conservator for absorbing / releasing expansion / contraction of insulating oil in the tank, and a pressure release device for releasing the pressure when the pressure in the tank rises. The oil-filled electrical equipment provided is characterized in that a pressure relief device is integrally assembled to the conservator body of the conservator.
の絶縁油の膨張・収縮を吸収・緩和するコンサベータ
と、タンク内の圧力上昇時、該圧力を放圧させる放圧装
置とを備えた油入電気機器において、コンサベータのコ
ンサベータ本体に放圧装置を一体的に組み付け、かつ該
放圧装置は、コンサベータ本体に該コンサベータ本体と
独立的に区画された放圧室と、放圧室とタンクとを接続
する放圧管と、放圧室の外部に取付けられた放圧弁とを
有することを特徴とする油入電気機器。2. A tank containing a transformer, a conservator for absorbing / releasing expansion / contraction of insulating oil in the tank, and a pressure release device for releasing the pressure when the pressure in the tank rises. In the provided oil-filled electrical equipment, a pressure release device is integrally assembled to the conservator body of the conservator, and the pressure release device includes a pressure release chamber defined in the conservator body independently of the conservator body. An oil-filled electric device comprising: a pressure relief pipe connecting the pressure relief chamber and the tank; and a pressure relief valve mounted outside the pressure relief chamber.
の絶縁油の膨張・収縮を吸収・緩和するコンサベータ
と、タンク内の圧力上昇時、該圧力を放圧させる放圧装
置とを備えた油入電気機器において、コンサベータのコ
ンサベータ本体に放圧装置を一体的に組み付け、かつ該
放圧装置は、コンサベータ本体とタンクとを接続する放
圧管と、コンサベータ本体に取付けられた放圧弁とを有
すると共に、コンサベータ本体を放圧室として兼用する
ことを特徴とする油入電気機器。3. A tank having a built-in transformer, a conservator for absorbing / releasing expansion / contraction of insulating oil in the tank, and a pressure release device for releasing the pressure when the pressure in the tank rises. In the provided oil-filled electrical equipment, a pressure relief device is integrally assembled to the conservator body of the conservator, and the pressure relief device is attached to the conservator body and a pressure relief pipe connecting the conservator body and the tank. An oil-filled electrical device characterized by having a pressure relief valve and using the conservator body as a pressure relief chamber.
の絶縁油の膨張・収縮を吸収・緩和するコンサベータ
と、タンク内の圧力上昇時、該圧力を放圧させる放圧装
置とを備えた油入電気機器において、コンサベータのコ
ンサベータ本体に放圧装置を一体的に組み付け、かつ該
放圧装置は、コンサベータ本体とタンクとを接続する放
圧管と、コンサベータ本体に取付けられた放圧弁とを有
すると共に、コンサベータ本体を放圧室として兼用し、
コンサベータは、ピトー継電器を有する検出管の一端を
放圧装置の放圧管の途中位置に接続すると共に、検出管
の他端をコンサベータ本体に接続したことを特徴とする
油入電気機器。4. A tank having a built-in transformer, a conservator for absorbing / releasing expansion / contraction of insulating oil in the tank, and a pressure release device for releasing the pressure when the pressure in the tank rises. In the provided oil-filled electrical equipment, a pressure relief device is integrally assembled to the conservator body of the conservator, and the pressure relief device is attached to the conservator body and a pressure relief pipe connecting the conservator body and the tank. With the pressure relief valve, the main body of the conservator is also used as a pressure relief chamber.
The conservator is an oil-filled electrical device characterized in that one end of a detection tube having a Pitot relay is connected to an intermediate position of the pressure release tube of a pressure release device, and the other end of the detection tube is connected to the main body of the conservator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26160695A JP3166128B2 (en) | 1995-10-09 | 1995-10-09 | Oil-filled electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26160695A JP3166128B2 (en) | 1995-10-09 | 1995-10-09 | Oil-filled electrical equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09106918A true JPH09106918A (en) | 1997-04-22 |
| JP3166128B2 JP3166128B2 (en) | 2001-05-14 |
Family
ID=17364248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26160695A Expired - Lifetime JP3166128B2 (en) | 1995-10-09 | 1995-10-09 | Oil-filled electrical equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3166128B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6812985B1 (en) | 1996-09-23 | 2004-11-02 | Lg.Philips Lcd Co., Ltd. | Liquid crystal display device |
| JP2014045114A (en) * | 2012-08-28 | 2014-03-13 | Hitachi Industrial Equipment Systems Co Ltd | Oil filled transformer |
| CN104376979A (en) * | 2014-11-28 | 2015-02-25 | 苏州市吴中区大陆电子设备厂 | Supporting structure for transformer oil conservator |
| CN104376980A (en) * | 2014-11-28 | 2015-02-25 | 苏州市吴中区大陆电子设备厂 | Supporting structure convenient to demount and mount for transformer oil conservator |
| CN104376978A (en) * | 2014-11-28 | 2015-02-25 | 苏州市吴中区大陆电子设备厂 | Supporting structure used for supporting oil conservator of transformer |
| CN108511157A (en) * | 2018-02-28 | 2018-09-07 | 山东正伦电气技术有限公司 | A kind of idle control compensation magnet controlled reactor of offshore wind farm dynamic electric voltage |
-
1995
- 1995-10-09 JP JP26160695A patent/JP3166128B2/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6812985B1 (en) | 1996-09-23 | 2004-11-02 | Lg.Philips Lcd Co., Ltd. | Liquid crystal display device |
| JP2014045114A (en) * | 2012-08-28 | 2014-03-13 | Hitachi Industrial Equipment Systems Co Ltd | Oil filled transformer |
| CN104376979A (en) * | 2014-11-28 | 2015-02-25 | 苏州市吴中区大陆电子设备厂 | Supporting structure for transformer oil conservator |
| CN104376980A (en) * | 2014-11-28 | 2015-02-25 | 苏州市吴中区大陆电子设备厂 | Supporting structure convenient to demount and mount for transformer oil conservator |
| CN104376978A (en) * | 2014-11-28 | 2015-02-25 | 苏州市吴中区大陆电子设备厂 | Supporting structure used for supporting oil conservator of transformer |
| CN104376979B (en) * | 2014-11-28 | 2017-02-08 | 苏州中拓专利运营管理有限公司 | Supporting structure for transformer oil conservator |
| CN108511157A (en) * | 2018-02-28 | 2018-09-07 | 山东正伦电气技术有限公司 | A kind of idle control compensation magnet controlled reactor of offshore wind farm dynamic electric voltage |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3166128B2 (en) | 2001-05-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5235139B2 (en) | Nuclear equipment and closure device in its containment vessel | |
| JPH05188196A (en) | Recombination apparatus for hydrogen and oxygen | |
| US7902951B2 (en) | Hermetically sealed electrical apparatus | |
| JPH09106918A (en) | Oil-filled electrical equipment | |
| JP4684721B2 (en) | Conservator | |
| JP3321465B2 (en) | Safety equipment for overpressure accident of reactor pressure vessel | |
| US5078960A (en) | Device for relieving the pressure in the containment of a nuclear power station | |
| JP2793437B2 (en) | Reactor containment vessel | |
| US20120200961A1 (en) | Electric transformer explosion prevention device provided with a liquid detector | |
| JPS61209389A (en) | Device for removing fission product for reactor containment housing | |
| JPH024877B2 (en) | ||
| US6173027B1 (en) | Primary containment vessel | |
| CN115372738A (en) | Risk prediction method and device for relay protection of power system | |
| JPH10332882A (en) | Liquid metal cooled reactor cooling equipment | |
| KR100951247B1 (en) | Harmful gas discharge device of transformer | |
| EP3903892A1 (en) | Electric apparatus comprising pressure relief device | |
| JPS633131Y2 (en) | ||
| JPH0656817B2 (en) | Oil-filled built-in tap changer with oil expansion container | |
| JP3000302B2 (en) | Sprinkler fire extinguisher | |
| JP7550120B2 (en) | Reactor Pressure Vessel | |
| JPH06160573A (en) | Boiling water reactor containment vessel | |
| JPH08241818A (en) | Oil-filled electrical equipment | |
| JPH0360164B2 (en) | ||
| JP2026027632A (en) | Structure of pressurized space in oil-filled equipment, oil-filled equipment | |
| JPH06138278A (en) | Pressure suppression reactor containment vessel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090309 Year of fee payment: 8 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090309 Year of fee payment: 8 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100309 Year of fee payment: 9 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110309 Year of fee payment: 10 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110309 Year of fee payment: 10 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120309 Year of fee payment: 11 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130309 Year of fee payment: 12 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130309 Year of fee payment: 12 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140309 Year of fee payment: 13 |
|
| EXPY | Cancellation because of completion of term |