JP5695297B2 - Air pressure monitoring device for pneumatic fenders - Google Patents

Air pressure monitoring device for pneumatic fenders Download PDF

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JP5695297B2
JP5695297B2 JP2009015838A JP2009015838A JP5695297B2 JP 5695297 B2 JP5695297 B2 JP 5695297B2 JP 2009015838 A JP2009015838 A JP 2009015838A JP 2009015838 A JP2009015838 A JP 2009015838A JP 5695297 B2 JP5695297 B2 JP 5695297B2
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air pressure
pressure
monitoring device
pressure monitoring
pressure sensor
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興司 中谷
興司 中谷
金子　理人
理人 金子
榊原　繁樹
繁樹 榊原
山田　周
周 山田
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Yokohama Rubber Co Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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Description

本発明は空気式防舷材の空気圧監視装置に関し、更に詳しくは、空気式防舷材の空気圧を常時監視することができる空気圧監視装置に関する。 The present invention relates to a pressure monitoring device of the pneumatic fender, and more particularly, relates to pressure monitoring equipment that can monitor the air pressure of the pneumatic fender constantly.

従来より、船舶の接岸時又は接舷時における船体及び岸壁の損傷防止を目的として、空気式防舷材が岸壁の壁面又は船側に設置されている。この空気式防舷材は、ゴムなどの弾性材料からなる略俵状の中空構造体に圧縮空気を封入し、船舶の接岸又は接舷時の衝撃を空気圧により緩衝させるようにしたものである。従って、空気式防舷材には常に適正な空気圧が維持されていることが必要である。そのため特許文献１は、このような空気圧の検知を外部から簡単に確認できるように、空気式防舷材に内圧検知装置を備えるようにしている。この内圧検知装置における圧力センサーは、検知した内圧を無線信号により外部へ送信するものであるが、近年ではコスト低減を目的として、特許文献２に示すような自動車用のタイヤ空気圧監視装置（Tire Pressure Monitoring System、以下「ＴＰＭＳ」という。）用の送信機付き圧力センサーを転用するようになっている。   Conventionally, pneumatic fenders have been installed on the quay wall or on the ship side for the purpose of preventing damage to the hull and quay when the ship is berthing or berthing. In this pneumatic fender, compressed air is enclosed in a substantially bowl-shaped hollow structure made of an elastic material such as rubber, and the impact at the time of berthing or berthing of a ship is buffered by air pressure. Therefore, it is necessary for the pneumatic fender to always maintain an appropriate air pressure. Therefore, in Patent Document 1, an internal pressure detector is provided in the pneumatic fender so that such air pressure detection can be easily confirmed from the outside. The pressure sensor in this internal pressure detecting device transmits the detected internal pressure to the outside by radio signal. In recent years, for the purpose of cost reduction, an automobile tire pressure monitoring device (Tire Pressure) as shown in Patent Document 2 is used. The pressure sensor with a transmitter for Monitoring System (hereinafter referred to as “TPMS”) is diverted.

このＴＰＭＳは、３１５ＭＨｚ帯の周波数の電波を使用する無線設備に該当するが、混信の回避を図ることなどを目的として、無線送信においては所定の送信休止時間を設けることが法令上定められている（非特許文献１を参照）。そのため、ＴＰＭＳ用の圧力センサーを用いた空気圧監視装置では、空気式防舷材の空気圧を常時監視することができないという問題があった。   This TPMS corresponds to a wireless facility that uses radio waves of a frequency of 315 MHz band, but it is stipulated by law that a predetermined transmission suspension time is provided in wireless transmission for the purpose of avoiding interference. (See Non-Patent Document 1). Therefore, the air pressure monitoring apparatus using the pressure sensor for TPMS has a problem that the air pressure of the pneumatic fender cannot be constantly monitored.

特開昭６０−４６４３８号公報Japanese Patent Laid-Open No. 60-46438 特開２００７−０８３９１１号公報Japanese Patent Laid-Open No. 2007-083911

平成十九年総務省告示第百八十七号1999 Ministry of Internal Affairs and Communications Notification No. 187

本発明の目的は、空気式防舷材の空気圧を常時監視することができるＴＰＭＳ用の圧力センサーを用いた空気圧監視装置を提供することにある。 An object of the present invention is to provide a pressure monitoring equipment using a pressure sensor for a TPMS system can monitor the air pressure of the pneumatic fender constantly.

上記の目的を達成する本発明の空気式防舷材の空気圧監視装置は、空気式防舷材の内側にタイヤ空気圧監視装置用の送信機付き圧力センサーを設置した空気圧監視装置において、前記圧力センサーを複数備えると共に、該それぞれの圧力センサーが空気圧検知信号及び識別信号を所定の間隔をおいて互いの送信状態が連続するように順にくりかえし送信することを特徴とするものである。 The air pressure monitoring apparatus for a pneumatic fender according to the present invention that achieves the above object is the air pressure monitoring apparatus in which a pressure sensor with a transmitter for a tire pressure monitoring apparatus is installed inside the pneumatic fender, wherein the pressure sensor And each of the pressure sensors repeats and transmits the air pressure detection signal and the identification signal in order so that their transmission states are continuous at a predetermined interval.

本発明の空気式防舷材の空気圧監視装置によれば、空気式防舷材の内側にＴＰＭＳ用の送信機付き圧力センサーを設置し、それら圧力センサーが空気圧検知信号を所定の間隔をおいて互いの送信状態が連続するように順にくりかえし送信するようにしたので、圧力センサーが検知した空気圧データを連続して外部へ送信することができるため、空気圧を常時監視することができる。   According to the air pressure monitoring apparatus for a pneumatic fender according to the present invention, a pressure sensor with a transmitter for TPMS is installed inside the pneumatic fender, and the pressure sensor sends an air pressure detection signal at a predetermined interval. Since the transmission is repeated in order so that the transmission states of each other are continuous, the air pressure data detected by the pressure sensor can be continuously transmitted to the outside, so that the air pressure can be constantly monitored.

本発明の実施形態からなる空気圧監視装置である。1 is an air pressure monitoring device according to an embodiment of the present invention. 空気式防舷材の断面図である。It is sectional drawing of a pneumatic fender. 複数の圧力センサーにおける送信パターンの一例である。 It is an example of the transmission pattern in a some pressure sensor .

以下に、本発明の実施の形態について、図面を参照して説明する。   Embodiments of the present invention will be described below with reference to the drawings.

図１は、本発明の実施形態からなる空気式防舷材の空気圧監視装置を示す。   FIG. 1 shows an air pressure monitoring device for a pneumatic fender according to an embodiment of the present invention.

この空気圧監視装置は、岸壁１に設置された空気式防舷材２の内側に設置されたＴＰＭＳ用の送信機付き圧力センサー３（以下、単に「圧力センサー」という。）と、それら圧力センサー３から電波４で送信される空気圧検知信号を受信・解析する受信装置５とを備えている。空気式防舷材２は、図２に示すように、ゴム部材と補強部材とを積層して成形した略俵状で中空構造の防舷材本体６を有し、その両端部には空気バルブ等を有する口金７が取り付けられている。この空気式防舷材２の内側には複数の圧力センサー３が設置されている。圧力センサー３の位置は特に限定するものではないが、メンテナンスの容易化及び測定精度の点から口金７の背面又はその近傍内壁とすることが好ましい。これら圧力センサー３は、空気式防舷材２の岸壁１への設置後に、外部から無線式の起動装置により起動される。   This air pressure monitoring device includes a pressure sensor 3 with a transmitter for TPMS (hereinafter simply referred to as “pressure sensor”) installed inside a pneumatic fender 2 installed on a quay 1, and these pressure sensors 3. And a receiving device 5 that receives and analyzes an air pressure detection signal transmitted by the radio wave 4. As shown in FIG. 2, the pneumatic fender 2 has a fender-shaped main body 6 having a substantially bowl-like and hollow structure formed by laminating a rubber member and a reinforcing member, and air valves at both ends thereof. A base 7 having, for example, is attached. A plurality of pressure sensors 3 are installed inside the pneumatic fender 2. The position of the pressure sensor 3 is not particularly limited, but is preferably the back surface of the base 7 or the inner wall in the vicinity thereof from the viewpoint of easy maintenance and measurement accuracy. These pressure sensors 3 are activated by a wireless activation device from the outside after installation of the pneumatic fender 2 on the quay 1.

このような空気圧監視装置において、各圧力センサー３は、空気圧検知信号を所定の間隔をおいて互いの送信状態が連続するように順にくりかえし送信するようになっている。例えば圧力センサー３を４台設置した場合には、図３に示すように、圧力センサー３ａ〜３ｄの空気圧の検知データを、あらかじめ定められた所定の間隔Ｔをおいて、送信状態が連続するように送信時刻をずらして、圧力センサー３ａから圧力センサー３ｄへの順でくりかえし受信装置５へ向けて送信する。このようにすることで、空気式防舷材２の空気圧を途切れることなく連続して受信装置５へ送信し、空気圧を常時測定することができる。   In such an air pressure monitoring device, each pressure sensor 3 repeatedly transmits an air pressure detection signal in order so that the transmission state is continuous at a predetermined interval. For example, when four pressure sensors 3 are installed, as shown in FIG. 3, the air pressure detection data of the pressure sensors 3 a to 3 d is continuously transmitted at a predetermined interval T. The transmission time is shifted, and the data is transmitted toward the receiving device 5 repeatedly in the order from the pressure sensor 3a to the pressure sensor 3d. By doing in this way, the air pressure of the pneumatic fender 2 can be continuously transmitted to the receiving device 5 without interruption, and the air pressure can always be measured.

各圧力センサー３の送信時刻は、起動装置により各圧力センサー３ａ〜３ｄを所定の間隔Ｔで順に起動することにより調整することができる。なお、この所定の間隔Ｔは、送信休止時間Ｘが法令の規定（非特許文献１を参照）を満たすように設定する必要がある。   The transmission time of each pressure sensor 3 can be adjusted by sequentially starting each pressure sensor 3a to 3d at a predetermined interval T by an activation device. The predetermined interval T needs to be set so that the transmission suspension time X satisfies the stipulations of laws and regulations (see Non-Patent Document 1).

圧力センサー３は、空気圧の検知データと共に、識別信号（ＩＤ信号）を送信することが望ましい。このようにすることで、不具合が発生した圧力センサー３の同定が可能になる。更には、他の空気式防舷材の圧力センサーから送信された空気圧検知信号との区別も容易になるため、複数の空気式防舷材２の空気圧を同時に監視することができる。   The pressure sensor 3 preferably transmits an identification signal (ID signal) together with air pressure detection data. By doing in this way, identification of the pressure sensor 3 in which the malfunction has occurred becomes possible. Furthermore, since the air pressure detection signals transmitted from the pressure sensors of other pneumatic fenders can be easily distinguished, the air pressures of a plurality of pneumatic fenders 2 can be monitored simultaneously.

１ 岸壁
２ 空気式防舷材
３ 圧力センサー
４ 電波
５ 受信装置
６ 防舷材本体
７ 口金 1 quay 2 pneumatic fender 3 Pressure sensor 4 wave 5 receiving apparatus 6 fender body 7 necked gold

Claims (1)

空気式防舷材の内側にタイヤ空気圧監視装置用の送信機付き圧力センサーを設置した空気圧監視装置において、
前記圧力センサーを複数備えると共に、該それぞれの圧力センサーが空気圧検知信号及び識別信号を所定の間隔をおいて互いの送信状態が連続するように順にくりかえし送信する空気式防舷材の空気圧監視装置。 In the air pressure monitoring device where the pressure sensor with transmitter for tire pressure monitoring device is installed inside the pneumatic fender,
An air pressure monitoring apparatus for a pneumatic fender, which includes a plurality of the pressure sensors, and each of the pressure sensors repeatedly transmits an air pressure detection signal and an identification signal so that the transmission states of the air pressure detection signal and the identification signal are continuous with each other.
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JP4858733B1 (en) * 2010-10-06 2012-01-18 横浜ゴム株式会社 Transmitter
JP4858734B1 (en) 2010-11-10 2012-01-18 横浜ゴム株式会社 Transmitter
KR101306850B1 (en) 2012-06-19 2013-09-10 내외 코리아 주식회사 Airfender for measuring pressure
JP5800151B2 (en) 2012-07-23 2015-10-28 横浜ゴム株式会社 Ship monitoring device
US9334029B2 (en) 2012-07-23 2016-05-10 The Yokohama Rubber Co., Ltd. Ship monitoring device
JP7031122B2 (en) 2017-02-07 2022-03-08 横浜ゴム株式会社 Pneumatic fender monitoring system

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JPS5372947U (en) * 1976-11-19 1978-06-19
JPS6046438A (en) * 1983-08-25 1985-03-13 Yokohama Rubber Co Ltd:The Internal pressure detector of air type fender
JP2553689B2 (en) * 1989-01-30 1996-11-13 日東工器株式会社 Multiple point simultaneous measurement system
JPH09318478A (en) * 1996-05-27 1997-12-12 Yokohama Rubber Co Ltd:The Internal pressure detector of pneumatic fender material
JP2002135274A (en) * 2000-10-30 2002-05-10 Yokohama Rubber Co Ltd:The Transmitter and radio transmission system
JP4770357B2 (en) * 2005-09-22 2011-09-14 横浜ゴム株式会社 Tire pressure monitoring device
JP2008074163A (en) * 2006-09-19 2008-04-03 Denso Corp Tire air pressure detecting device
JP2010168832A (en) * 2009-01-23 2010-08-05 Yokohama Rubber Co Ltd:The Air pressure detecting device for pneumatic fender

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