JP4535947B2 - Hygroscopic respiratory device and drainage adjustment member for hygroscopic respiratory device - Google Patents

Hygroscopic respiratory device and drainage adjustment member for hygroscopic respiratory device Download PDF

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JP4535947B2
JP4535947B2 JP2005197226A JP2005197226A JP4535947B2 JP 4535947 B2 JP4535947 B2 JP 4535947B2 JP 2005197226 A JP2005197226 A JP 2005197226A JP 2005197226 A JP2005197226 A JP 2005197226A JP 4535947 B2 JP4535947 B2 JP 4535947B2
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hygroscopic
hygroscopic agent
silica gel
respirator
discharge
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JP2007019142A (en
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達也 光井
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Chugoku Electric Power Co Inc
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Description

本発明は、変圧器などの機器の呼吸作用によって流入する大気中の湿気を吸収するための吸湿呼吸器（ブリーザ）に関する。   The present invention relates to a hygroscopic respirator (breather) for absorbing moisture in the atmosphere that flows in by the breathing action of a device such as a transformer.

例えば、変圧器の呼吸作用によって大気中の湿気が器内に侵入し、その水分が油に溶けて変圧器の絶縁耐力を低下させる、という事象がある。このため、侵入した湿気を吸湿剤（脱水剤）によって吸収するための吸湿呼吸器が、変圧器などに付設されている。この吸湿呼吸器は、例えば、円筒状の容器本体が垂直に配置され、この容器本体の上側に変圧器側などに接続される呼吸管が設けられ、容器本体の下側には油壷が設けられている。また、容器本体内にはシリカゲルなどの吸湿剤が収容（封入）され、油壷には油が収容されている。そして、大気（外気）が容器本体の下側から流入して、油壷内の油および容器本体内の吸湿剤を通過する（通り抜ける。）。これにより、大気中の湿気が吸湿剤によって吸収され、吸気管から変圧器側などに流入する。一方、変圧器側などからの排気が吸気管から流入し、容器本体内および油壷内を通過して、大気中に排出されるものである（例えば、特許文献１参照。）。   For example, there is an event in which moisture in the atmosphere enters into the vessel due to the breathing action of the transformer, and the moisture dissolves in oil to reduce the dielectric strength of the transformer. For this reason, a hygroscopic respirator for absorbing invaded moisture with a hygroscopic agent (dehydrating agent) is attached to a transformer or the like. In this hygroscopic respirator, for example, a cylindrical container body is arranged vertically, a breathing tube connected to the transformer side or the like is provided above the container body, and an oil bottle is provided below the container body. It has been. Further, a moisture absorbent such as silica gel is accommodated (enclosed) in the container body, and oil is accommodated in the oil bottle. Then, the atmosphere (outside air) flows in from the lower side of the container body and passes through (passes through) the oil in the oil bottle and the moisture absorbent in the container body. As a result, moisture in the atmosphere is absorbed by the hygroscopic agent and flows from the intake pipe to the transformer side or the like. On the other hand, the exhaust from the transformer side or the like flows from the intake pipe, passes through the container body and the oil tank, and is discharged into the atmosphere (for example, see Patent Document 1).

また、このような吸湿呼吸器には、容器本体の上側に吸湿剤投入口が設けられ、下側には吸湿剤排出口が設けられている。そして、吸湿剤投入口から吸湿剤を容器本体内に投入するとともに、湿気を十分に吸収して吸湿効果が低下した（劣化した）吸湿剤を吸湿剤排出口から排出するようにしている。
実開平５−１８０１２号公報 Such a hygroscopic respirator is provided with a hygroscopic agent inlet on the upper side of the container body, and with a hygroscopic agent outlet on the lower side. Then, the hygroscopic agent is introduced into the container body from the hygroscopic agent inlet, and the hygroscopic agent that has sufficiently absorbed moisture to reduce (has deteriorated) the hygroscopic effect is discharged from the hygroscopic agent outlet.
Japanese Utility Model Publication No. 5-18012

ところで、上記のように、容器本体の下側には油壷や弁室（吸気弁と排気弁とを収容した容器）などが設けられているため、吸湿剤排出口を容器本体の垂直中心側に位置させることが困難な場合が多い。このため、容器本体の垂直中心から離れた外周側に吸湿剤排出口が設けられている。   By the way, as described above, an oil tank and a valve chamber (a container containing an intake valve and an exhaust valve) are provided on the lower side of the container body. Are often difficult to locate For this reason, the hygroscopic agent outlet is provided on the outer peripheral side away from the vertical center of the container body.

一方、上記のように、大気が油壷から容器本体を通過して吸気管に向うため、すなわち、大気が容器本体内を下部から上部に向って通過するため、容器本体内の下部に位置する吸湿剤が大気中の湿気をより吸収することになる。つまり、容器本体内の下部に位置する吸湿剤は、上部に位置する吸湿剤に比べてより早く湿気を十分に吸収し、吸湿効果が低下する（劣化する）ことになる。そして、下部に位置する吸湿剤が劣化した場合には、吸湿呼吸器全体の吸湿効果が低下するため、吸湿剤を新たな吸湿剤に取り替える必要がある。   On the other hand, as described above, since the atmosphere passes from the oil tank through the container body toward the intake pipe, that is, the atmosphere passes through the container body from the lower part toward the upper part, it is located at the lower part in the container body. The hygroscopic agent absorbs moisture in the atmosphere more. That is, the hygroscopic agent located in the lower part of the container main body sufficiently absorbs moisture earlier than the hygroscopic agent located in the upper part, and the hygroscopic effect is reduced (deteriorates). And when the hygroscopic agent located in the lower part deteriorates, the hygroscopic effect of the entire hygroscopic respirator is lowered, so it is necessary to replace the hygroscopic agent with a new hygroscopic agent.

このとき、吸湿剤排出口が容器本体の垂直中心から離れた外周側に位置しているため、吸湿剤を吸湿剤排出口から排出させると、劣化している吸湿剤と劣化していない吸湿剤とが混在して排出されてしまう。すなわち、吸湿剤排出口の上側に位置する吸湿剤が優先的に吸湿剤排出口側に流動し、吸湿剤の流動が偏った状態となる（略同一水平面上に位置する吸湿剤が均等に排出されない。）。そして、容器本体内の下部に位置する劣化している吸湿剤がすべて排出される前に、吸湿剤排出口の上側で容器本体内の上部に位置する劣化していない吸湿剤が、吸湿剤排出口から排出されてしまう。この結果、劣化している吸湿剤をすべて排出させるには、劣化していない吸湿剤を含めてすべての吸湿剤を排出させなければならないことになる。そして、すべての吸湿剤を新たな吸湿剤に取り替えなければならず、吸湿剤の使用効率の低下、取替時間の長時間化などを招いていた。   At this time, since the moisture absorbent outlet is located on the outer peripheral side away from the vertical center of the container body, when the moisture absorbent is discharged from the moisture absorbent outlet, the moisture absorbent is degraded and the moisture absorbent is not degraded. Are mixed and discharged. That is, the hygroscopic agent located on the upper side of the hygroscopic agent outlet preferentially flows to the hygroscopic agent outlet side, and the flow of the hygroscopic agent becomes biased (the hygroscopic agent located on substantially the same horizontal plane is evenly discharged. Not.) Before the deteriorated moisture absorbent located in the lower part of the container body is exhausted, the non-deteriorated moisture absorbent located in the upper part of the container body above the moisture absorbent discharge port It will be discharged from the exit. As a result, in order to discharge all of the deteriorated hygroscopic agent, all of the hygroscopic agent including the non-degraded hygroscopic agent must be discharged. And all the hygroscopic agents had to be replaced with new hygroscopic agents, leading to a decrease in the use efficiency of the hygroscopic agent and a long replacement time.

そこで本発明は、容器本体内の下部に位置する吸湿剤を優先的に容器本体から排出させることが可能な吸湿呼吸器および、吸湿呼吸器用排出調整部材を提供することを目的とする。   Accordingly, an object of the present invention is to provide a hygroscopic respirator and a hygroscopic respirator discharge adjusting member capable of preferentially discharging the hygroscopic agent located in the lower part of the container main body from the container main body.

上記目的を達成するために請求項１に記載の発明は、吸湿剤を収容する円筒状の容器本体の上側に、変圧器などの機器側に接続される呼吸管が設けられ、前記容器本体の下側に前記吸湿剤を排出する吸湿剤排出口が設けられ、前記容器本体内に排気管が前記容器本体と同軸に配設され、大気が前記容器本体の下側から流入して前記吸湿剤を通過し前記呼吸管から前記機器側に向う吸湿呼吸器において、前記容器本体内に、前記排気管を中心とする螺旋滑り台状で、一方の側縁が前記排気管の外面に接し、他方の側縁が前記容器本体の内面に接する排出調整部材が固定され、この排出調整部材が少なくとも一度前記吸湿剤排出口の上側に位置するように螺旋の巻き数が設定されている、ことを特徴としている。
（作用）
排出調整部材によって、吸湿剤排出口の上側に位置する吸湿剤の流動が抑制される。このため、吸湿剤排出口の上側に位置しない吸湿剤が吸湿剤排出口から排出されやすくなる。
In order to achieve the above object, according to the first aspect of the present invention, a breathing tube connected to a device such as a transformer is provided on the upper side of a cylindrical container main body that contains a hygroscopic agent. A hygroscopic outlet for discharging the hygroscopic agent is provided on the lower side, an exhaust pipe is disposed coaxially with the container main body in the container main body , and air flows from the lower side of the container main body so that the hygroscopic agent In the hygroscopic respirator that passes through the breathing tube from the breathing tube toward the device side, the container body has a spiral slide centered on the exhaust tube, and one side edge is in contact with the outer surface of the exhaust tube, and the other The discharge adjustment member whose side edge is in contact with the inner surface of the container body is fixed, and the number of spiral turns is set so that the discharge adjustment member is positioned at least once above the moisture absorbent discharge port. Yes.
(Function)
By the discharge adjusting member, the flow of the hygroscopic agent located above the hygroscopic agent discharge port is suppressed. For this reason, the hygroscopic agent that is not located above the hygroscopic agent discharge port is easily discharged from the hygroscopic agent discharge port.

具体的には、螺旋滑り台状の排出調整部材に沿って吸湿剤が滑り落ちるため、吸湿剤排出口の上側に位置する吸湿剤と位置しない吸湿剤とが、順次、吸湿剤排出口から排出される。すなわち、容器本体内で略同一水平面上に位置する吸湿剤が順次排出される。
 Specifically, since the hygroscopic agent slides down along the spiral slide-shaped discharge adjusting member, the hygroscopic agent located above the hygroscopic agent discharge port and the non-positioned hygroscopic agent are sequentially discharged from the hygroscopic agent discharge port. . That is, the hygroscopic agent located on substantially the same horizontal plane in the container body is sequentially discharged.

請求項２に記載の発明は、請求項１に記載の吸湿呼吸器において、排出調整部材に、吸湿剤よりも小さい通気孔が形成されていることを特徴としている。
（作用）
通気孔を介して大気が排出調整部材を貫通し、排出調整部材の上下に位置する吸湿剤を通過する。また、通気孔が吸湿剤よりも小さいため、吸湿剤が通気孔から抜け落ちることなく、排出調整部材によって支持される。
 According to a second aspect of the present invention, in the hygroscopic respirator according to the first aspect , a vent hole smaller than the hygroscopic agent is formed in the discharge adjusting member.
(Function)
The air passes through the discharge adjusting member through the vent hole and passes through the moisture absorbent located above and below the discharge adjusting member. Further, since the vent hole is smaller than the hygroscopic agent, the hygroscopic agent is supported by the discharge adjusting member without falling off from the vent hole.

請求項３に記載の発明は、吸湿剤を収容する円筒状の容器本体の上側に、変圧器などの機器側に接続される呼吸管が設けられ、前記容器本体の下側に前記吸湿剤を排出する吸湿剤排出口が設けられ、前記容器本体内に排気管が前記容器本体と同軸に配設され、大気が前記容器本体の下側から流入して前記吸湿剤を通過し前記呼吸管から前記機器側に向う吸湿呼吸器において、この吸湿呼吸器の前記容器本体内に固定可能な吸湿呼吸器用排出調整部材であって、前記排気管を中心とする螺旋滑り台状で、一方の側縁が前記排気管の外面に接し、他方の側縁が前記容器本体の内面に接し、かつ、少なくとも一度前記吸湿剤排出口の上側に位置するように螺旋の巻き数が設定されている、ことを特徴としている。
 According to a third aspect of the present invention, a breathing tube connected to a device such as a transformer is provided on the upper side of a cylindrical container main body that contains a hygroscopic agent, and the hygroscopic agent is provided on the lower side of the container main body. A moisture absorbent outlet for discharging is provided , and an exhaust pipe is disposed in the container body coaxially with the container body, and air flows from the lower side of the container body to pass through the moisture absorbent and from the respiratory tube. In the hygroscopic respirator directed to the device side, the hygroscopic respirator discharge adjustment member that can be fixed in the container body of the hygroscopic respirator, is a spiral slide centered on the exhaust pipe, and one side edge is The number of spiral turns is set so as to be in contact with the outer surface of the exhaust pipe, the other side edge is in contact with the inner surface of the container body, and is positioned at least once above the moisture absorbent outlet. It is said.

請求項４に記載の発明は、請求項３に記載の吸湿呼吸器用排出調整部材において、吸湿剤よりも小さい通気孔が形成されていることを特徴としている。
 According to a fourth aspect of the present invention, in the moisture-absorbing respiratory discharge adjustment member according to the third aspect , a vent hole smaller than the hygroscopic agent is formed.

請求項１に記載の発明によれば、吸湿剤排出口の上側に位置する吸湿剤の流動が抑制され、吸湿剤排出口の上側に位置しない吸湿剤が吸湿剤排出口から排出されやすくなる。このため、吸湿剤排出口の上側で容器本体内の上部に位置する劣化していない吸湿剤が、容器本体内の下部に位置する劣化している吸湿剤よりも早く排出されることが抑制され、容器本体内の下部に位置するすべての劣化している吸湿剤を優先的に容器本体から排出させることが可能となる。そしてこれにより、劣化している吸湿剤のみを容器本体から排出させ、劣化していない吸湿剤を排出させないことが可能となる。この結果、劣化している吸湿剤のみを新たな吸湿剤に取り替えることができ、吸湿剤の使用効率が向上し、取替時間が短時間化される。   According to the first aspect of the present invention, the flow of the hygroscopic agent positioned above the hygroscopic agent discharge port is suppressed, and the hygroscopic agent not positioned above the hygroscopic agent discharge port is easily discharged from the hygroscopic agent discharge port. For this reason, it is suppressed that the non-deteriorated moisture absorbent located in the upper part in the container body above the moisture absorbent outlet is discharged earlier than the degraded moisture absorbent located in the lower part in the container body. It becomes possible to preferentially discharge all the deteriorated hygroscopic agents located in the lower part of the container body from the container body. Thus, it is possible to discharge only the deteriorated hygroscopic agent from the container body and not to discharge the non-degraded hygroscopic agent. As a result, only the deteriorated hygroscopic agent can be replaced with a new hygroscopic agent, the use efficiency of the hygroscopic agent is improved, and the replacement time is shortened.

しかも、螺旋滑り台状の排出調整部材によって、容器本体内で略同一水平面上に位置する吸湿剤が順次排出されるため、容器本体内の下部に位置するすべての（略同一水平面上の）吸湿剤が排出された後に、容器本体内の上部に位置する吸湿剤が排出される。このため、容器本体内の下部に位置する劣化している吸湿剤のみを容器本体から排出させることができる。
 Moreover, since the hygroscopic agent located on the substantially same horizontal plane in the container body is sequentially discharged by the spiral slide-like discharge adjusting member, all the hygroscopic agents located on the lower part in the container main body (on the substantially identical horizontal plane). Is discharged, the moisture absorbent located in the upper part of the container body is discharged. For this reason, only the deteriorated hygroscopic agent located in the lower part in the container main body can be discharged from the container main body.

請求項２に記載の発明によれば、大気が通気孔を介して、排出調整部材の上下に位置する吸湿剤を通過し（通り抜け）、吸湿剤によって吸湿される。このため、排出調整部材によって大気の通過が遮られ、吸湿呼吸器の吸湿作用（効果）が損なわれることがない。
According to the second aspect of the present invention, the atmosphere passes through the hygroscopic agent located above and below the discharge adjusting member via the vent hole (passes through) and is absorbed by the hygroscopic agent. For this reason, passage of the atmosphere is blocked by the discharge adjusting member, and the hygroscopic action (effect) of the hygroscopic respirator is not impaired.

請求項３、４に記載の発明によれば、吸湿呼吸器用排出調整部材を吸湿呼吸器の容器本体内に配設することで、容器本体内の下部に位置する劣化している吸湿剤を優先的に容器本体から排出させることが可能となる。また、吸湿呼吸器全体を取り替えることなく、既存の吸湿呼吸器に本吸湿呼吸器用排出調整部材を配設することで、劣化している吸湿剤を優先的に排出させることが可能となり、既存の吸湿呼吸器を有効的に活用することができる。
According to the invention described in claims 3 and 4 , priority is given to the deteriorated hygroscopic agent located in the lower part of the container main body by disposing the discharge adjusting member for the hygroscopic respirator in the container main body of the hygroscopic respirator. Thus, it can be discharged from the container body. In addition, it is possible to preferentially discharge the deteriorated hygroscopic agent by disposing the hygroscopic respirator discharge adjustment member in the existing hygroscopic respirator without replacing the entire hygroscopic respirator. The hygroscopic respirator can be used effectively.

以下、本発明を図示の実施形態に基づいて説明する。   Hereinafter, the present invention will be described based on illustrated embodiments.

図１は、本発明の実施形態に係わる吸湿呼吸器１を示す正面図である。この吸湿呼吸器１は主として、ガラス筒２（容器本体）、上蓋金具３、底蓋金具４、呼吸管５、油壷６、排気管７および、排出調整部材８を備えている。   FIG. 1 is a front view showing a hygroscopic respirator 1 according to an embodiment of the present invention. The hygroscopic respirator 1 mainly includes a glass tube 2 (container main body), an upper lid fitting 3, a bottom lid fitting 4, a breathing tube 5, an oil bottle 6, an exhaust pipe 7, and a discharge adjusting member 8.

ガラス筒２は透明ガラス製の円筒状で、その上端部にガスケット（図示せず）を介して上蓋金具３が取り付けられ、下端部にガスケット（図示せず）を介して底蓋金具４が取り付けられている。すなわち、ガラス筒２の上下端部を上蓋金具３と底蓋金具４とによって挟持した状態で、上蓋金具３と底蓋金具４とが長尺ボルト９によって締め付けられている。そして、このように密閉されたガラス筒２の中に、後述するようにして、シリカゲル１３（吸湿剤）が封入（収容）されるようになっている。なお、図１では、説明のために、シリカゲル１３は二点鎖線で示している。   The glass tube 2 is a transparent glass cylinder, and the upper lid 3 is attached to the upper end of the glass tube 2 via a gasket (not shown), and the bottom lid 4 is attached to the lower end of the glass tube 2 via a gasket (not shown). It has been. That is, the upper lid metal fitting 3 and the bottom lid metal fitting 4 are fastened by the long bolts 9 with the upper and lower ends of the glass tube 2 held between the upper lid fitting 3 and the bottom lid fitting 4. Then, in the glass tube 2 sealed in this manner, silica gel 13 (a hygroscopic agent) is enclosed (accommodated) as will be described later. In FIG. 1, the silica gel 13 is indicated by a two-dot chain line for the sake of explanation.

上蓋金具３の中心からずれた位置（外周側）には吸湿剤投入口３ａが設けられ、この吸湿剤投入口３ａには投入キャップ１０が取り付けられている。また、吸湿剤投入口３ａと対向する上蓋金具３の外周側には、呼吸管５がフランジ部５ａを介してボルト１１によって取り付けられている。この呼吸管５は、変圧器側のコンサベータ（図示せず）に接続され、変圧器側へ大気を送り、また、変圧器側からの排気を受けるための通気管である。   A hygroscopic agent inlet 3a is provided at a position (outer peripheral side) shifted from the center of the upper lid fitting 3, and an inlet cap 10 is attached to the hygroscopic agent inlet 3a. In addition, on the outer peripheral side of the upper lid metal fitting 3 facing the hygroscopic agent inlet 3a, a respiratory tube 5 is attached by a bolt 11 via a flange portion 5a. The breathing pipe 5 is a vent pipe that is connected to a transformer-side conservator (not shown), sends air to the transformer side, and receives exhaust from the transformer side.

底蓋金具４の中心からずれた外周側（吸湿剤投入口３ａのほぼ真下）には吸湿剤排出口４ａが設けられ、この吸湿剤排出口４ａには排出キャップ１２が取り付けられている。また、底蓋金具４の下面側には、円筒状の吸気筒４ｂと排気筒４ｃとが形成され、排気筒４ｃが、底蓋金具４の中心すなわちガラス筒２の垂直中心に位置するように配設されている。そして、この吸気筒４ｂと排気筒４ｃとを覆うように、油１４を収容する（蓄える）油壷６が取り付けられている。   A hygroscopic agent discharge port 4a is provided on the outer peripheral side shifted from the center of the bottom lid metal fitting 4 (substantially directly below the hygroscopic agent input port 3a), and a discharge cap 12 is attached to the hygroscopic agent discharge port 4a. A cylindrical intake cylinder 4b and an exhaust cylinder 4c are formed on the lower surface side of the bottom cover metal fitting 4 so that the exhaust cylinder 4c is positioned at the center of the bottom cover metal fitting 4, that is, the vertical center of the glass cylinder 2. It is arranged. And the oil tank 6 which accommodates (stores) the oil 14 is attached so that this intake cylinder 4b and the exhaust cylinder 4c may be covered.

この油壷６は底を有する円筒状で、上端のフランジ部６ａが底蓋金具４の取付部４ｄに装着された状態で取り付けられている。また、この油壷６内には仕切板６ｂが設けられ、この仕切板６ｂによって吸気室６ｃと排気室６ｄとに分室されている。そして、吸気室６ｃ内に底蓋金具４の吸気筒４ｂが収容され、排気室６ｄ内に排気筒４ｃが収容されるようになっている。さらに、フランジ部６ａの下側には、大気が流入するための吸気口６ｅが吸気室６ｃ側に設けられ、大気へ排気するための排気口６ｆが排気室６ｄ側に設けられている。   The oil cup 6 has a cylindrical shape with a bottom, and is attached in a state where the upper flange portion 6 a is attached to the attachment portion 4 d of the bottom lid metal fitting 4. Further, a partition plate 6b is provided in the oil tub 6 and is divided into an intake chamber 6c and an exhaust chamber 6d by the partition plate 6b. The intake cylinder 4b of the bottom cover fitting 4 is accommodated in the intake chamber 6c, and the exhaust cylinder 4c is accommodated in the exhaust chamber 6d. Further, below the flange portion 6a, an intake port 6e through which air flows is provided on the intake chamber 6c side, and an exhaust port 6f for exhausting to the atmosphere is provided on the exhaust chamber 6d side.

また、底蓋金具４の中心部には、排気筒４ｃと連通する貫通孔４ｅが形成され、この貫通孔４ｅに排気管７が挿入（圧入）されている。これにより、排気管７がガラス筒２の垂直中心（中心軸）に位置し、排気管７と排気筒４ｃとを介して油壷６（排気室６ｄ）と呼吸管５とが連通するようになっている。さらに、底蓋金具４には、油壷６の吸気口６ｅから流入した大気を、吸気室６ｃからガラス筒２内に流入させるための空気孔（図示せず）が設けられている。
Further, a through hole 4e communicating with the exhaust cylinder 4c is formed at the center of the bottom cover fitting 4, and an exhaust pipe 7 is inserted (press-fitted) into the through hole 4e . As a result, the exhaust pipe 7 is positioned at the vertical center (center axis) of the glass cylinder 2 so that the oil tank 6 (exhaust chamber 6d) and the respiratory pipe 5 communicate with each other through the exhaust pipe 7 and the exhaust cylinder 4c. It has become. Further, the bottom lid fitting 4 is provided with an air hole (not shown) for allowing the air flowing in from the intake port 6e of the oil bottle 6 to flow into the glass tube 2 from the intake chamber 6c.

排出調整部材８は、板状（帯状）の金網を螺旋滑り台状に形成したものである。すなわち、排気管７（ガラス筒２の垂直中心）を中心として、金網の両側縁を排気管７の外面とガラス筒２の内面とに当接させながら螺旋滑り台状に形成したものである。また、排出調整部材８の金網（網板）が、少なくとも一度吸湿剤排出口４ａの上側に位置するように螺旋の巻き数が設定され、排出調整部材８が配設されている。そして、このような排出調整部材８が、針金や結束線など（図示せず）によって排気管７に固定されている。また、この排出調整部材８の金網の網目は、後述するように通気孔としての役目を備え、その大きさはシリカゲル１３よりも小さく設定されている。   The discharge adjusting member 8 is a plate-shaped (band-shaped) wire mesh formed in a spiral slide shape. In other words, with the exhaust pipe 7 (vertical center of the glass tube 2) as the center, both side edges of the wire mesh are formed in a spiral slide shape while contacting the outer surface of the exhaust tube 7 and the inner surface of the glass tube 2. Further, the number of spiral turns is set so that the wire mesh (net plate) of the discharge adjustment member 8 is positioned at least once above the moisture absorbent discharge port 4a, and the discharge adjustment member 8 is disposed. Such a discharge adjusting member 8 is fixed to the exhaust pipe 7 by a wire, a binding wire or the like (not shown). Further, the mesh of the metal mesh of the discharge adjusting member 8 serves as a vent as will be described later, and the size thereof is set smaller than that of the silica gel 13.

さらに、排出調整部材８の下端部には、多孔底板１５が設けられている。この多孔底板１５は板状の金網で構成され、ガラス筒２の内面から吸湿剤排出口４ａの口元に向って下側に傾斜するように形成されている。これにより、シリカゲル１３を排出する際に、ガラス筒２内のシリカゲル１３が吸湿剤排出口４ａ側に流動しやすいようになっている。   Further, a porous bottom plate 15 is provided at the lower end of the discharge adjusting member 8. The perforated bottom plate 15 is formed of a plate-shaped wire mesh, and is formed so as to be inclined downward from the inner surface of the glass tube 2 toward the mouth of the moisture absorbent discharge port 4a. Thereby, when discharging the silica gel 13, the silica gel 13 in the glass tube 2 is easy to flow to the hygroscopic agent outlet 4a side.

次に、このような構成の吸湿呼吸器１の使用方法や作用などについて説明する。   Next, the usage method and operation of the hygroscopic respirator 1 having such a configuration will be described.

まず、ガラス筒２内にシリカゲル１３が封入されていない状態では、投入キャップ１０を外して吸湿剤投入口３ａからガラス筒２内にシリカゲル１３を投入し、再び投入キャップ１０を取り付ける（締める）。次に、呼吸管５をコンサベータに接続して、吸湿呼吸器１を変圧器側に付設する。   First, in a state where the silica gel 13 is not sealed in the glass cylinder 2, the charging cap 10 is removed, the silica gel 13 is charged into the glass cylinder 2 through the hygroscopic agent charging port 3a, and the charging cap 10 is attached (tightened) again. Next, the respiratory tube 5 is connected to a conservator, and the hygroscopic respirator 1 is attached to the transformer side.

そして、変圧器の呼吸作用によって、大気が吸湿呼吸器１を介して変圧器に吸気され、変圧器からの排気が吸湿呼吸器１を介して大気に排出（排気）される。すなわち、吸気の際には、大気が油壷６の吸気口６ｅから流入し、吸気室６ｃ内の油１４を通過して、底蓋金具４の空気孔からガラス筒２内に流入する。そして、ガラス筒２内のシリカゲル１３を下部から上部に向って通過し（通り抜け）、呼吸管５からコンサベータ（変圧器側）に流入する。このように、大気がシリカゲル１３を通過することで、大気中の湿気がシリカゲル１３によって吸収され、変圧器の絶縁耐力の低下が防止される。一方、排気の際には、変圧器（コンサベータ）からの排気が呼吸管５から流入し、排気管７内を通って油壷６の排気室６ｄ内の油１４を通過し、排気口６ｆから大気中に排出されるものである。
Then, due to the respiratory action of the transformer, the atmosphere is sucked into the transformer via the hygroscopic respirator 1, and the exhaust from the transformer is discharged (exhaust) to the atmosphere via the hygroscopic breather 1. That is, at the time of intake, the air flows from the intake port 6e of the oil bottle 6 and passes through the oil 14 in the intake chamber 6c and flows into the glass tube 2 from the air hole of the bottom cover fitting 4. Then, it passes through the silica gel 13 in the glass tube 2 from the lower part to the upper part (passes through), and flows into the conservator (transformer side) from the respiratory tube 5 . In this way, when the atmosphere passes through the silica gel 13, moisture in the atmosphere is absorbed by the silica gel 13, and a reduction in the dielectric strength of the transformer is prevented. On the other hand, at the time of exhaust, the exhaust from the transformer (conservator) flows from the breathing pipe 5 , passes through the exhaust pipe 7 and passes through the oil 14 in the exhaust chamber 6d of the oil tank 6, and the exhaust port 6f. From the atmosphere.

このような吸排気を繰り返すことによって、シリカゲル１３が湿気を吸収し、次第にその吸湿効果が低下（劣化）していく。この劣化の状態を色で表すと、当初青色のシリカゲル１３が、赤色からピンク色に変わり、湿気を十分に吸収した状態では透明（白色）となる。そして、このような劣化は、ガラス筒２内の下部に位置するシリカゲル１３の方が、上部に位置するシリカゲル１３よりも早い。なぜなら、上記のように、大気がガラス筒２内のシリカゲル１３を下部から上部に向って通過するため、ガラス筒２内の下部に位置するシリカゲル１３が、湿気を多く含む大気に接触し、上部に位置するシリカゲル１３は湿気が吸収された大気に接触する。このため、下部に位置するシリカゲル１３の方が、より早く湿気を十分に吸収するからである。   By repeating such intake and exhaust, the silica gel 13 absorbs moisture, and the moisture absorption effect gradually decreases (deteriorates). When this deterioration state is expressed by color, the initially blue silica gel 13 changes from red to pink and becomes transparent (white) in a state where moisture is sufficiently absorbed. And such deterioration is quicker in the silica gel 13 located in the lower part in the glass cylinder 2 than the silica gel 13 located in the upper part. Because, as described above, the atmosphere passes through the silica gel 13 in the glass cylinder 2 from the lower part toward the upper part, the silica gel 13 located in the lower part in the glass cylinder 2 comes into contact with the atmosphere containing a lot of moisture, and the upper part. Silica gel 13 located in contact with the atmosphere in which moisture is absorbed. For this reason, the silica gel 13 located in the lower part absorbs moisture sufficiently more quickly.

そして、例えば、図２に示すように、ガラス筒２内の下部に位置するシリカゲル１３ａは吸湿効果（吸湿力）が低下し（透明に変色し）、上部に位置するシリカゲル１３ｂは吸湿効果を十分に備えている（赤色程度に変色した）とする。このような状態で、吸湿効果が低下したシリカゲル１３ａを新たなシリカゲルに取り替えるには、次のようにすればよい。   For example, as shown in FIG. 2, the silica gel 13a located in the lower part of the glass tube 2 has a reduced hygroscopic effect (absorbing power) (discolored transparently), and the silica gel 13b located in the upper part has a sufficient hygroscopic effect. (The color changed to red). In order to replace the silica gel 13a having a reduced moisture absorption effect with a new silica gel in such a state, the following may be performed.

まず、排出キャップ１２を外して、吸湿剤排出口４ａからシリカゲル１３を排出させる。このとき、排出調整部材８の金網が、吸湿剤排出口４ａの上側に位置しているため、吸湿剤排出口４ａの上側に位置するシリカゲル１３が直接吸湿剤排出口４ａ側に流動することが抑制される。さらに、排出調整部材８が上記のような螺旋滑り台状に形成されているため、シリカゲル１３（１３ａ、１３ｂ）は、排出調整部材８に沿って螺旋状に滑り落ちる。そして、図３に示すように、ガラス筒２内で略同一水平面上に位置するシリカゲル１３が順次排出される。すなわち、下部に位置するシリカゲル１３ａと上部に位置するシリカゲル１３ｂとが混在することなく、下部に位置するシリカゲル１３ａが優先的に排出される。そして、下部に位置するシリカゲル１３ａがすべて排出された後に、排出キャップ１２を取り付けることで、下部に位置するシリカゲル１３ａのみが排出され、ガラス筒２内には劣化していないシリカゲル１３ｂが残される。このため、排出されたシリカゲル１３ａの分量だけ、上記と同様にして、新たなシリカゲルを吸湿剤投入口３ａからガラス筒２内に投入すればよい。   First, the discharge cap 12 is removed, and the silica gel 13 is discharged from the hygroscopic agent discharge port 4a. At this time, since the metal mesh of the discharge adjusting member 8 is located above the moisture absorbent outlet 4a, the silica gel 13 located above the moisture absorbent outlet 4a may flow directly to the moisture absorbent outlet 4a. It is suppressed. Furthermore, since the discharge adjusting member 8 is formed in the shape of a spiral slide as described above, the silica gel 13 (13a, 13b) slides down spirally along the discharge adjusting member 8. And as shown in FIG. 3, the silica gel 13 located on the substantially the same horizontal surface within the glass cylinder 2 is discharged | emitted sequentially. That is, the silica gel 13a located in the lower part is preferentially discharged without mixing the silica gel 13a located in the lower part and the silica gel 13b located in the upper part. Then, after all the silica gel 13a located at the lower part has been discharged, by attaching the discharge cap 12, only the silica gel 13a located at the lower part is discharged, and the undegraded silica gel 13b remains in the glass tube 2. For this reason, new silica gel may be introduced into the glass tube 2 from the hygroscopic agent inlet 3a in the same manner as described above by the amount of the discharged silica gel 13a.

このように、本吸湿呼吸器１によれば、劣化しているシリカゲル１３ａのみを排出させることができ、その分量だけ新たなシリカゲルに取り替えればよいため、シリカゲル１３の使用効率が向上し、取替時間を短時間化することができる。すなわち、ガラス筒２内の上部に位置していた劣化していないシリカゲル１３ｂを排出しないでガラス筒２内に残し、このシリカゲル１３ｂを劣化するまで無駄なく使用し続けることができる。また、シリカゲル１３を吸湿剤排出口４ａから排出させる場合、シリカゲル１３同士間やガラス筒２内面などとの摩擦抵抗に抗してシリカゲル１３の自重のみによって排出させるため、すべてのシリカゲル１３を排出させるとなると、長時間を要する。これに対し、劣化しているシリカゲル１３ａのみを排出させればよいため、排出時間ひいては取替時間を短くすることができるものである。   As described above, according to the present hygroscopic respirator 1, only the deteriorated silica gel 13a can be discharged, and it is only necessary to replace it with new silica gel. Replacement time can be shortened. That is, the undegraded silica gel 13b located in the upper part of the glass cylinder 2 is left in the glass cylinder 2 without being discharged, and the silica gel 13b can be used without waste until it deteriorates. Further, when the silica gel 13 is discharged from the hygroscopic agent discharge port 4a, all the silica gel 13 is discharged because the silica gel 13 is discharged only by its own weight against the frictional resistance between the silica gels 13 and the inner surface of the glass tube 2. Then, it takes a long time. On the other hand, since only the deteriorated silica gel 13a has to be discharged, the discharge time and therefore the replacement time can be shortened.

これに対し、排出調整部材８が設けられていないと、図４に示すように、劣化しているシリカゲル１３ａと劣化していないシリカゲル１３ｂとが、混在して吸湿剤排出口４ａから排出されてしまう。すなわち、吸湿剤排出口４ａの上側に位置するシリカゲル１３が優先的に吸湿剤排出口４ａ側に流動し、略同一水平面上に位置していたシリカゲル１３が均等に排出されなくなる。そして、ガラス筒２内の下部に位置していた劣化しているシリカゲル１３ａがすべて排出される前に、吸湿剤排出口４ａの上側でガラス筒２内の上部に位置していた劣化していないシリカゲル１３ｂが、吸湿剤排出口４ａから排出されてしまう。このため、劣化していないシリカゲル１３ｂを含めてすべてのシリカゲル１３を排出させなければ、すべての劣化しているシリカゲル１３ａを排出させることができないものである。つまり、排出調整部材８が設けられていないと、取り替える必要がない劣化していないシリカゲル１３ｂを含めて、すべてのシリカゲル１３を取り替えなければならないことになる。   On the other hand, if the discharge adjusting member 8 is not provided, as shown in FIG. 4, the deteriorated silica gel 13a and the undegraded silica gel 13b are mixed and discharged from the hygroscopic outlet 4a. End up. That is, the silica gel 13 located on the upper side of the hygroscopic agent discharge port 4a preferentially flows to the hygroscopic agent discharge port 4a side, and the silica gel 13 located on substantially the same horizontal plane is not discharged uniformly. And before all the deteriorated silica gel 13a located in the lower part in the glass cylinder 2 is discharged | emitted, it has not deteriorated which was located in the upper part in the glass cylinder 2 above the hygroscopic agent discharge port 4a. The silica gel 13b is discharged from the hygroscopic agent outlet 4a. For this reason, unless all the silica gels 13 including the undegraded silica gel 13b are discharged, all the deteriorated silica gels 13a cannot be discharged. That is, if the discharge adjusting member 8 is not provided, all the silica gels 13 including the undegraded silica gel 13b that does not need to be replaced must be replaced.

ところで、上記のように、排出調整部材８が金網によって構成されているため、金網の網目が通気孔としての役目をする。そして、この網目を介して大気が排出調整部材８を貫通し、排出調整部材８の上下に位置するシリカゲル１３を通過して（通り抜け）、シリカゲル１３によって吸湿される。このように、排出調整部材８によって大気の通過が遮られ、吸湿呼吸器１の吸湿作用（効果）が損なわれることがない。また、網目の大きさがシリカゲル１３よりも小さく設定されているため、シリカゲル１３が網目から抜け落ちることなく、排出調整部材８によって支持される。すなわち、シリカゲル１３が排出調整部材８に沿って螺旋状に滑り落とされる。   Incidentally, as described above, since the discharge adjusting member 8 is formed of a wire mesh, the mesh of the wire mesh serves as a vent hole. Then, the air passes through the discharge adjusting member 8 through the mesh, passes through (passes through) the silica gel 13 positioned above and below the discharge adjusting member 8, and is absorbed by the silica gel 13. Thus, the passage of the atmosphere is blocked by the discharge adjusting member 8, and the hygroscopic action (effect) of the hygroscopic respirator 1 is not impaired. Further, since the mesh size is set smaller than that of the silica gel 13, the silica gel 13 is supported by the discharge adjusting member 8 without falling off from the mesh. That is, the silica gel 13 is slid down spirally along the discharge adjusting member 8.

以上、この発明の実施形態について説明したが、具体的な構成は、本実施形態に限られるものではなく、この発明の要旨を逸脱しない範囲の設計の変更等があっても、この発明に含まれる。例えば、排出調整部材８を板材で構成し、この板材に通気孔を設けるようにしてもよい。また、排出調整部材８を螺旋滑り台状以外の形状に形成してもよい。すなわち、シリカゲル１３の流動する抑制するような形状であればよく、このような排出調整部材を少なくとも吸湿剤排出口４ａの上側に配設するようにしてもよい。さらに、変圧器のみならず、油タンクなどその他の機器にも本吸湿呼吸器１を付設できることは勿論である。さらにまた、ガラス筒２の下側に油壷６以外の弁室（吸気弁と排気弁とを収容した容器）などが設けられている吸湿呼吸器や、吸湿剤排出口４ａのみが設けられている吸湿呼吸器にも排出調整部材８を配設することで、本吸湿呼吸器１と同等の効果が得られることは勿論である。   Although the embodiment of the present invention has been described above, the specific configuration is not limited to the present embodiment, and design changes and the like within a scope not departing from the gist of the present invention are included in the present invention. It is. For example, the discharge adjusting member 8 may be formed of a plate material, and a vent hole may be provided in the plate material. Further, the discharge adjusting member 8 may be formed in a shape other than the spiral slide shape. That is, any shape that suppresses the flow of the silica gel 13 may be used, and such a discharge adjusting member may be disposed at least above the moisture absorbent discharge port 4a. Furthermore, it goes without saying that the present hygroscopic respirator 1 can be attached not only to the transformer but also to other devices such as an oil tank. Furthermore, only a hygroscopic respirator in which a valve chamber (a container containing an intake valve and an exhaust valve) other than the oil bottle 6 is provided on the lower side of the glass tube 2, and a hygroscopic agent outlet 4a are provided. It goes without saying that the same effects as those of the present hygroscopic respirator 1 can be obtained by disposing the discharge adjusting member 8 in the hygroscopic respirator.

また、既存の吸湿呼吸器に上記のような排出調整部材８（吸湿呼吸器用排出調整部材）を配設するようにしてもよい。例えば、上記のような排出調整部材８を針金や結束線などによって既存の吸湿呼吸器の排気管などに固定し配設することで、本吸湿呼吸器１と同等の構成とし、同等の効果を得ることができる。すなわち、吸湿呼吸器全体を取り替えることなく、既存の吸湿呼吸器に排出調整部材８を配設することで、劣化しているシリカゲル１３ａを優先的に排出させることが可能となり、既存の吸湿呼吸器を有効的に活用することができる。さらに、上記のような排出調整部材８を、吸湿呼吸器に取り付ける（配設する）ための取付部を設けるようにしてもよい。   Further, the above-described exhaust adjustment member 8 (exhaust adjustment member for hygroscopic respirator) may be disposed in the existing hygroscopic respirator. For example, by arranging and fixing the discharge adjusting member 8 as described above to the exhaust pipe or the like of an existing hygroscopic respirator with a wire or a binding wire, the same structure as the present hygroscopic respirator 1 can be obtained, and the same effect can be obtained. Obtainable. That is, it is possible to preferentially discharge the deteriorated silica gel 13a by arranging the discharge adjusting member 8 in the existing hygroscopic respirator without replacing the entire hygroscopic respirator. Can be used effectively. Furthermore, you may make it provide the attachment part for attaching the above-mentioned discharge | emission adjustment member 8 to a hygroscopic respirator.

本発明の実施形態に係わる吸湿呼吸器の正面図（一部断面図）。The front view (partial sectional view) of the hygroscopic respirator according to the embodiment of the present invention. 本発明の実施形態に係わる吸湿呼吸器において、ガラス筒内の下部に位置するシリカゲルの吸湿効果が低下した状態を示す正面図（一部断面図）。The moisture absorption respirator concerning the embodiment of the present invention WHEREIN: The front view (partial sectional view) which shows the state where the moisture absorption effect of the silica gel located in the lower part in a glass tube fell. 本発明の実施形態に係わる吸湿呼吸器において、ガラス筒内のシリカゲルを吸湿剤排出口から排出させている状態を示す正面図（一部断面図）。The moisture absorption respirator concerning the embodiment of the present invention WHEREIN: The front view (partial sectional view) which shows the state where the silica gel in a glass cylinder is discharged from the hygroscopic agent outlet. 排出調整部材が設けられていない吸湿呼吸器において、ガラス筒内のシリカゲルを吸湿剤排出口から排出させている状態を示す正面図（一部断面図）。The front view (partial sectional view) showing a state where silica gel in a glass tube is discharged from the hygroscopic agent discharge port in a hygroscopic respirator not provided with a discharge adjusting member.

符号の説明Explanation of symbols

１ 吸湿呼吸器
２ ガラス筒（容器本体）
３ 上蓋金具
３ａ 吸湿剤投入口
４ 底蓋金具
４ａ 吸湿剤排出口
４ｂ 吸気筒
４ｃ 排気筒
５ 呼吸管
６ 油壷
６ｂ 仕切板
６ｃ 吸気室
６ｄ 排気室
６ｅ 吸気口
６ｆ 排気口
７ 排気管
８ 排出調整部材
１３ シリカゲル（吸湿剤）
１３ａ 下部に位置する（劣化している）シリカゲル
１３ｂ 上部に位置する（劣化していない）シリカゲル
１４ 油
１５ 多孔底板 1 Hygroscopic respirator 2 Glass tube (container body)
3 Upper lid fitting 3a Hygroscopic inlet 4 Bottom lid fitting 4a Hygroscopic outlet 4b Intake cylinder 4c Exhaust cylinder 5 Breathing pipe 6 Oil bottle 6b Partition plate 6c Intake chamber 6d Exhaust chamber 6e Inlet 6f Exhaust outlet 7 Exhaust pipe 8 Member 13 Silica gel (hygroscopic agent)
13a Silica gel located at the bottom (deteriorated) 13b Silica gel located at the top (not degraded) 14 Oil 15 Porous bottom plate

Claims (4)

吸湿剤を収容する円筒状の容器本体の上側に、変圧器などの機器側に接続される呼吸管が設けられ、前記容器本体の下側に前記吸湿剤を排出する吸湿剤排出口が設けられ、前記容器本体内に排気管が前記容器本体と同軸に配設され、大気が前記容器本体の下側から流入して前記吸湿剤を通過し前記呼吸管から前記機器側に向う吸湿呼吸器において、
前記容器本体内に、前記排気管を中心とする螺旋滑り台状で、一方の側縁が前記排気管の外面に接し、他方の側縁が前記容器本体の内面に接する排出調整部材が固定され、この排出調整部材が少なくとも一度前記吸湿剤排出口の上側に位置するように螺旋の巻き数が設定されている、
ことを特徴とする吸湿呼吸器。 In the upper cylindrical container body for containing a desiccant, respiratory tract is provided which is connected to the device side, such as a transformer, hygroscopic agent outlet is provided for discharging the moisture absorbent to the underside of the container body In the hygroscopic respirator, an exhaust pipe is disposed coaxially with the container main body in the container main body, and the air flows from the lower side of the container main body and passes through the hygroscopic agent to the respiratory tube toward the device side. ,
A discharge adjusting member is fixed in the container main body in a spiral slide shape centered on the exhaust pipe, one side edge being in contact with the outer surface of the exhaust pipe, and the other side edge being in contact with the inner surface of the container main body, The number of turns of the spiral is set so that this discharge adjusting member is positioned at least once above the moisture absorbent discharge port,
A hygroscopic respirator characterized by that. 前記排出調整部材に、前記吸湿剤よりも小さい通気孔が形成されている、
ことを特徴とする請求項１に記載の吸湿呼吸器。 A vent hole smaller than the hygroscopic agent is formed in the discharge adjustment member,
The hygroscopic respirator according to claim 1 . 吸湿剤を収容する円筒状の容器本体の上側に、変圧器などの機器側に接続される呼吸管が設けられ、前記容器本体の下側に前記吸湿剤を排出する吸湿剤排出口が設けられ、前記容器本体内に排気管が前記容器本体と同軸に配設され、大気が前記容器本体の下側から流入して前記吸湿剤を通過し前記呼吸管から前記機器側に向う吸湿呼吸器において、この吸湿呼吸器の前記容器本体内に固定可能な吸湿呼吸器用排出調整部材であって、
前記排気管を中心とする螺旋滑り台状で、一方の側縁が前記排気管の外面に接し、他方の側縁が前記容器本体の内面に接し、かつ、少なくとも一度前記吸湿剤排出口の上側に位置するように螺旋の巻き数が設定されている、
ことを特徴とする吸湿呼吸器用排出調整部材。 In the upper cylindrical container body for containing a desiccant, respiratory tract is provided which is connected to the device side, such as a transformer, hygroscopic agent outlet is provided for discharging the moisture absorbent to the underside of the container body In the hygroscopic respirator, an exhaust pipe is disposed coaxially with the container main body in the container main body, and the air flows from the lower side of the container main body and passes through the hygroscopic agent to the respiratory tube toward the device side. , A hygroscopic respirator discharge adjustment member that can be fixed in the container body of the hygroscopic respirator,
It is in the form of a spiral slide centered on the exhaust pipe, one side edge is in contact with the outer surface of the exhaust pipe, the other side edge is in contact with the inner surface of the container body, and at least once on the upper side of the moisture absorbent outlet. The number of turns of the spiral is set to be located,
A discharge adjusting member for a hygroscopic respiratory device, characterized in that. 前記吸湿剤よりも小さい通気孔が形成されている、
ことを特徴とする請求項３に記載の吸湿呼吸器用排出調整部材。
A vent hole smaller than the moisture absorbent is formed,
The drainage adjustment member for a hygroscopic respiratory apparatus according to claim 3 .
JP2005197226A 2005-07-06 2005-07-06 Hygroscopic respiratory device and drainage adjustment member for hygroscopic respiratory device Expired - Fee Related JP4535947B2 (en)

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