JPS58106431A - Inspecting device for degree of vacuum of vacuum breaker - Google Patents
Inspecting device for degree of vacuum of vacuum breakerInfo
- Publication number
- JPS58106431A JPS58106431A JP56206569A JP20656981A JPS58106431A JP S58106431 A JPS58106431 A JP S58106431A JP 56206569 A JP56206569 A JP 56206569A JP 20656981 A JP20656981 A JP 20656981A JP S58106431 A JPS58106431 A JP S58106431A
- Authority
- JP
- Japan
- Prior art keywords
- vacuum
- degree
- breaker
- electrode
- inspection
- 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
Links
- 238000007689 inspection Methods 0.000 claims abstract description 14
- 238000012360 testing method Methods 0.000 claims description 13
- 230000003287 optical effect Effects 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 17
- 238000012423 maintenance Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000000744 eyelid Anatomy 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/668—Means for obtaining or monitoring the vacuum
Landscapes
- Measuring Fluid Pressure (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は官空しゃＩＩＵＩ器の真空＋ｉ検査装置に関し
、特に真空しゃ断器収納ケース体の対地電位に基づき真
空度の要冷判定を行う真空しや１４フｆ器の真空度検査
装置に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a vacuum+i inspection device for public/aircraft IIUI equipment, and particularly for a vacuum breaker 14F equipment that determines whether the degree of vacuum needs to be cooled based on the ground potential of the vacuum breaker storage case. Related to vacuum level inspection equipment.
現在、真空しや断器の真空Ｉｖ恢青は、交ｌｌ＃例電圧
試験により行われており、第１図に示すように真空しゃ
断器１０の同定′４．極１２と可動電極１４を一定間隔
に開極し、この電極１２ 、１４に耐圧トランス】６よ
り設定！、王を印加し、その時の放電の有無により真空
度の良否を判定している。なお、第１図において１８は
中間／−ルド、１３はガラス絶縁筒、１５はベローズ、
】７は交加’ｐｉｔ源である。At present, the vacuum voltage test of the vacuum circuit breaker is carried out by an alternating voltage test, and as shown in FIG. The pole 12 and the movable electrode 14 are opened at regular intervals, and the voltage transformer is set to 6! , is applied, and the quality of the vacuum is judged based on the presence or absence of discharge at that time. In addition, in FIG. 1, 18 is an intermediate lead, 13 is a glass insulating cylinder, 15 is a bellows,
]7 is an additive 'pit source.
しかしながら、上述した従来方法では、真空度検査時に
真空しゃ断器１０を系統から切り離さなければならず、
予備回線との切り換え等が必快であると共に、検査のた
めに特殊な治具を用い、固定電極と可動′電極を設定間
隔に訓整しなければならない。近年真空しゃ断器の１納
入台数も増加し、各真空しゃ断器の真空度検査を上述し
たような問題点を有する方法で行うことは保守に大老な
労力を委し過ぎる。However, in the conventional method described above, it is necessary to disconnect the vacuum breaker 10 from the system when inspecting the degree of vacuum.
Not only is it necessary to switch over to a backup line, but also a special jig must be used for inspection, and fixed electrodes and movable electrodes must be trained at set intervals. In recent years, the number of vacuum breakers being delivered has increased, and testing the degree of vacuum of each vacuum breaker using a method that has the problems described above requires too much maintenance work.
本発明は上記の点に鑑みてなされたもので、真空しゃ断
器本系統に接続した状態で、真空度を簡易に測定するこ
とを可能にすると共に、真空度検査時間の帰線化及び保
守の省力化を計った真空しゃ断器の真空度測定装置を提
供することを目的としている。The present invention has been made in view of the above points, and makes it possible to easily measure the degree of vacuum while connected to the vacuum breaker main system, as well as to reduce blanking and maintenance of vacuum degree inspection time. The purpose of this invention is to provide a vacuum degree measuring device for a vacuum breaker that is labor-saving.
本発明ではこの目的を達成するために、−に空しや断器
を収納するケース体に検査用電極を設けて、真空度変化
に応じた検査用電極の対地１Ｍ１位に基づき真空度の良
否判定を行うことを特徴としている。In the present invention, in order to achieve this purpose, an inspection electrode is provided in the case body that houses the vacuum and disconnector, and the degree of vacuum is determined to be good or bad based on the position of the inspection electrode 1M1 relative to the ground according to the change in the degree of vacuum. It is characterized by making judgments.
以下本発明の一実施例を添附された図面と共に説明する
。An embodiment of the present invention will be described below with reference to the accompanying drawings.
第２図（Ａ）は本発明に係る貫空しゃ断器の真空度測定
装置の一実施例を示す概略的な断面図であり、第１図と
同一符号は同一物を示しその説明を省略する。本実施例
の賜金、真空しゃ断器ＩＯを収納するケース体２２の中
間／−ルド１８の対向部位の内壁に検出弔電り、２４を
支持約１１６を介して装着すると共に真空しゃ断器ＩＯ
とケース体２２間に絶縁媒体圀を介在させて構成してい
る。また１…常は第２図（Ｂ）に示すように検出用電極
層には蓋、９Ｉ７が装着されている。この絶縁媒体Ｘと
しては、８Ｆ ６ガス、固体絶縁、絶縁油、乾燥空気等
、１史用される真空しゃ断器１０の柚類に応じて適宜に
選択される。FIG. 2(A) is a schematic cross-sectional view showing an embodiment of the vacuum degree measuring device for a trans-air breaker according to the present invention, and the same reference numerals as in FIG. 1 indicate the same parts, and the explanation thereof will be omitted. . As a result of this embodiment, a detection electric current is mounted on the inner wall of the intermediate portion of the case body 22 that accommodates the vacuum breaker IO, and is attached to the inner wall of the opposite portion of the lead 18 through the support 116, and the vacuum breaker IO
An insulating medium field is interposed between the case body 22 and the case body 22. 1. As shown in FIG. 2(B), a lid 9I7 is usually attached to the detection electrode layer. The insulating medium X is appropriately selected from 8F6 gas, solid insulation, insulating oil, dry air, etc., depending on the nature of the vacuum breaker 10 to be used.
本発明の一実施例は上記のように構成されており、次に
その動作説明を行う。One embodiment of the present invention is configured as described above, and its operation will be explained next.
真空しゃ断器１０の真空度が劣化した場合、電極１２
、１４と中間／−ルド】８との間でグロー放電が生じ、
中間／−ルド１８の′成田が上昇する。これに伴って、
検出用電極２４の対地電位が上昇する。従って、検査時
に部蓋勿を取りはずし、例えば第３図に示されるように
検出端子Ωを検出用電極２４に接続して、検出用電極２
４の電圧を高抵抗電圧計Ｍにより測定して真空度の良否
を判定する。あるいは第４図に示されるように、検出用
電極劇を検出端子、ηにと呻取りだして光学的測足装置
必により測定してもよい。この光学的測定装置必は゛６
気・光変換素子であるボッケル素子４２．このボッケル
素子４２の介挿となるレーザ４４．ボッケル素子４２の
出力端に光ファイバー４６を介して接続された受光指示
部４８から構１１Ｖされており、検出用！、極２６の電
圧をボッケル素子４２により光学的出力に変換して、こ
の変換出力を受光指示部４８のフォト・ダイオード４８
ａにより受光し、対応した電気的出力をアンプ４８
ｔ）を介して指示計４８０により測定して真空度の良否
の判定を行ってもよい。この第４図に示さね、る場合は
、光学的測定であるため電気的ノイズの影響を受けずに
高粘度の測定を実施できる。When the degree of vacuum of the vacuum breaker 10 deteriorates, the electrode 12
, 14 and the intermediate/- led ]8, a glow discharge occurs,
Intermediate/- Rudo 18's Narita rises. Along with this,
The ground potential of the detection electrode 24 increases. Therefore, at the time of inspection, the lid is removed and the detection terminal Ω is connected to the detection electrode 24 as shown in FIG.
4 is measured with a high resistance voltmeter M to determine whether the degree of vacuum is good or bad. Alternatively, as shown in FIG. 4, the detection electrode may be connected to the detection terminal η and measured using an optical foot measuring device. This optical measuring device must be
Bockel element 42, which is an air/light conversion element. A laser 44 to which this Bockel element 42 is inserted. The output end of the Bockel element 42 is connected to a light receiving instruction section 48 via an optical fiber 46, which is connected to the output end of the Bockel element 42 for detection. , the voltage of the pole 26 is converted into an optical output by the Bockel element 42, and this converted output is sent to the photodiode 48 of the light receiving instruction section 48.
The light is received by a, and the corresponding electrical output is sent to the amplifier 48.
The degree of vacuum may be determined by measuring with the indicator 480 via step t). In the case not shown in FIG. 4, high viscosity can be measured without being affected by electrical noise because it is an optical measurement.
本発明の実施例は上述したようであり、ケースに設けら
れた検出用′Ｉ！極に検出用端子を差し込むだけで真空
度の判定ができるため、真空度検査に要する時間が大幅
に短縮でき、保守の省力化が計れる。また系統から真空
しゃ断器１ｏをψＪり咄すことなく真空ｍ゛測定′行え
るので予備回線との切り換えを装することなく、安定し
て電力を供給できる。真空しゃ断Ａ １ｏとケース２２
間の絶縁媒体が、ＳＦ、ガス、固体絶縁、絶縁油、乾燥
空気など各種のものに適応できるため、同一の測定器で
各種の育空しゃ断器の真空度検査が可能となる。The embodiment of the present invention is as described above, and the detection 'I!' provided in the case is as described above. Since the degree of vacuum can be determined simply by inserting the detection terminal into the pole, the time required to inspect the degree of vacuum can be significantly shortened and maintenance labor can be saved. Furthermore, since vacuum m' can be measured without disconnecting the vacuum breaker 1o from the system, stable power can be supplied without switching to a backup line. Vacuum cutoff A 1o and case 22
Since the insulating medium between them can be applied to various types such as SF, gas, solid insulation, insulating oil, and dry air, it is possible to test the degree of vacuum of various air bubble breakers with the same measuring instrument.
以−ヒ説明してきたように、本発明に係る真空しゃ断器
の真空度検査装置は、真空しゃ断器を収納するケース体
に、検査用電極を設けて、真空しゃ断器の真空昨変化に
応じた検査用電極の電位に基づキ真空度の良否判定を行
うようにしたので、真空しゃ断器を系統に接枕した状態
で真空度を簡易１′
に測定できる。As explained below, the vacuum level testing device for a vacuum breaker according to the present invention includes a test electrode provided in a case housing the vacuum breaker, and detects the vacuum level in response to changes in the vacuum of the vacuum breaker. Since the degree of vacuum is determined based on the potential of the test electrode, the degree of vacuum can be easily measured to 1' with a vacuum breaker connected to the system.
第１図は従来の真空しゃ断器の真空度検査装置の概略的
な断面図、第２図（Ａｌは本発明に係る真空しゃ断器の
真空度検査装置の検出部の楯、略的な断面図、第２図（
Ｂｌは第２図（Ａｌに示される検出用両極に番を装着し
た状態の概略的な断面図、第３図は第２図に示される真
空瞼（９査装置による一測定例を示す説明図、第４図は
第２図に示される真空度検査装置による他の測定例を示
す餅、四回である。
１θ・・・真空しゃ断器、２２・・ケース体、２４・・
・検出用電極、％ 支持絶縁層１．？／Ｊ・・蓋、刀・
・検出用端子、Ｍ・・・高抵抗軍、圧計、４θ 光学的
測定装置、４２・・・ボッケル素子、４８・・・受光指
示部。FIG. 1 is a schematic sectional view of a conventional vacuum breaker vacuum testing device, and FIG. 2 is a schematic sectional view (Al is a shield of the detection part of the vacuum breaker vacuum testing device according to the present invention. , Figure 2 (
Bl is a schematic cross-sectional view of the state in which numbers are attached to both detection poles shown in Figure 2 (Al), and Figure 3 is an explanatory diagram showing an example of measurement using the vacuum eyelid shown in Figure 2 (9-scanning device). , Fig. 4 shows another measurement example using the vacuum level inspection device shown in Fig. 2, four times. 1θ... Vacuum breaker, 22... Case body, 24...
・Detection electrode, % support insulating layer 1. ? /J...lid, sword...
- Detection terminal, M... High resistance force, pressure gauge, 4θ optical measuring device, 42... Bockel element, 48... Light receiving instruction section.
Claims (3)
極を設けて、前記真空しゃ断器の真空度変化に応じたｔ
％ｉＪ記検査用電極の重信に基づき真空１の良否判定を
行うことを特徴とする真空しゃ断器の真空度検査装置。(1) Inspection cloth 1 in the case housing the vacuum breaker.
A pole is provided, and t is adjusted according to the change in the degree of vacuum of the vacuum breaker.
%iJ A vacuum degree testing device for a vacuum breaker, characterized in that it determines the quality of the vacuum 1 based on the reliability of the test electrode.
り測定することを特徴とする特許請求の範囲第１項記載
の真空しゃ断器の真空度検査装置。(2) The vacuum degree testing device for a vacuum breaker as set forth in claim 1, wherein the test electrode's relative distance to ground is measured using a high-resistance voltmeter.
含む光学的測定手段により測定することを特徴とする特
許積木の範囲第１項記載の真空しや断器の真空Ｉ１１″
倹査装置Ｌ(3) The vacuum I11'' of the vacuum shear breaker according to item 1 of the scope of the patented building blocks, characterized in that the potential to the ground of the inspection electrode is measured by an optical measuring means including a Pockels element.
Thrifting device L
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56206569A JPS58106431A (en) | 1981-12-21 | 1981-12-21 | Inspecting device for degree of vacuum of vacuum breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56206569A JPS58106431A (en) | 1981-12-21 | 1981-12-21 | Inspecting device for degree of vacuum of vacuum breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58106431A true JPS58106431A (en) | 1983-06-24 |
Family
ID=16525562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56206569A Pending JPS58106431A (en) | 1981-12-21 | 1981-12-21 | Inspecting device for degree of vacuum of vacuum breaker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58106431A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1267153A1 (en) * | 2001-06-11 | 2002-12-18 | Hewlett-Packard Company | Micro high-vacuum pressure sensor |
| KR100546032B1 (en) * | 1998-03-19 | 2006-01-24 | 가부시끼가이샤 히다치 세이사꾸쇼 | Vacuum Insulated Switchgear |
| EP1763049A1 (en) * | 2005-09-13 | 2007-03-14 | Hitachi, Ltd. | Vacuum switchgear |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5085371A (en) * | 1973-11-28 | 1975-07-09 | ||
| JPS5315569A (en) * | 1976-07-29 | 1978-02-13 | Terasaki Denki Sangyo Kk | Device for detecting vacuum of vacuum switching tube |
| JPS56133640A (en) * | 1980-03-24 | 1981-10-19 | Meidensha Electric Mfg Co Ltd | Monitoring device for degree of vacuum of vacuum electric equipment |
-
1981
- 1981-12-21 JP JP56206569A patent/JPS58106431A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5085371A (en) * | 1973-11-28 | 1975-07-09 | ||
| JPS5315569A (en) * | 1976-07-29 | 1978-02-13 | Terasaki Denki Sangyo Kk | Device for detecting vacuum of vacuum switching tube |
| JPS56133640A (en) * | 1980-03-24 | 1981-10-19 | Meidensha Electric Mfg Co Ltd | Monitoring device for degree of vacuum of vacuum electric equipment |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100546032B1 (en) * | 1998-03-19 | 2006-01-24 | 가부시끼가이샤 히다치 세이사꾸쇼 | Vacuum Insulated Switchgear |
| EP1267153A1 (en) * | 2001-06-11 | 2002-12-18 | Hewlett-Packard Company | Micro high-vacuum pressure sensor |
| EP1763049A1 (en) * | 2005-09-13 | 2007-03-14 | Hitachi, Ltd. | Vacuum switchgear |
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