JP2018141516A - Hose connection branch joint, hose branch joint with device connection plug, device connection plug with hose connection universal joint, gas distribution device to multiple gas consumption devices, and fuel cell cogeneration system having gas distribution device - Google Patents

Hose connection branch joint, hose branch joint with device connection plug, device connection plug with hose connection universal joint, gas distribution device to multiple gas consumption devices, and fuel cell cogeneration system having gas distribution device Download PDF

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JP2018141516A
JP2018141516A JP2017036028A JP2017036028A JP2018141516A JP 2018141516 A JP2018141516 A JP 2018141516A JP 2017036028 A JP2017036028 A JP 2017036028A JP 2017036028 A JP2017036028 A JP 2017036028A JP 2018141516 A JP2018141516 A JP 2018141516A
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hose
gas
joint
branch
universal joint
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靖志 藤縄
Yasushi Fujinawa
靖志 藤縄
洋一 内海
Yoichi Uchiumi
洋一 内海
敏史 山下
Toshifumi Yamashita
敏史 山下
文市 中田
Fumiichi Nakata
文市 中田
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Sanko Co Ltd
Tokyo Gas Co Ltd
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Sanko Co Ltd
Tokyo Gas Co Ltd
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Priority to JP2017036028A priority Critical patent/JP2018141516A/en
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Priority to JP2021080918A priority patent/JP7101423B2/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/50Fuel cells

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  • Branch Pipes, Bends, And The Like (AREA)
  • Joints Allowing Movement (AREA)
  • Fuel Cell (AREA)
  • Valve Housings (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a hose connection branch joint etc. which is easily used in a portion where multiple gas consumption devices are closely arranged and enables reduction of costs for installing the gas consumption devices.SOLUTION: A hose connection branch joint 20 includes a joint body 23, a main universal joint 21, and a bend type branch universal joint 27. Reinforced gas hose universal joints 29, 31 are attached to the outlet side of the branch universal joint 27. The joint body 23 has an inlet part 23w, a main outlet part 23b, and a branch outlet part 23p etc.SELECTED DRAWING: Figure 1

Description

本発明は、ガス配管の先に接続され、強化ガスホース等を経て複数のガス消費機器にガスを分配する分岐継手等に関する。特には、複数のガス消費機器が近接して配置される部位において用い易く、ガス消費機器の設置作業費用を低減することができる機器接続栓付きホース分岐継手等に関する。   The present invention relates to a branch joint or the like that is connected to the end of a gas pipe and distributes gas to a plurality of gas consuming devices via a reinforced gas hose or the like. In particular, the present invention relates to a hose branch joint with a device connection plug and the like that can be easily used at a portion where a plurality of gas consuming devices are arranged close to each other and can reduce the installation work cost of the gas consuming device.

図6を参照しつつ、「エネファーム」(登録商標、以下同じ)の機器構成の概要と、それへのガス供給系統の概要を説明する。なお、「エネファーム」は、「家庭用燃料電池コージェネレーションシステム」についての、「燃料電池実用化推進協議会(FCCJ)」が定めた名称(普及活動のための統一愛称)である。   With reference to FIG. 6, the outline of the equipment configuration of “ENE-FARM” (registered trademark, the same applies hereinafter) and the outline of the gas supply system to it will be described. “ENE-FARM” is the name (universal nickname for dissemination activities) established by the “Fuel Cell Commercialization Promotion Council (FCCJ)” for “Household Fuel Cell Cogeneration System”.

図6に示すように、現在標準的なエネファーム100は、燃料電池ユニット101と貯湯ユニット121の二つのユニットを隣り合わせに設置したものである。燃料電池ユニット101は、都市ガス等の燃料を改質して水素を取り出す燃料改質装置103や、取り出した水素を、空中の酸素と反応させて電気(直流)を発生させる燃料電池スタック105、その直流電気を交流に変換して家庭に供給するインバータ107を備える。燃料電池スタック105や燃料改質装置103で出る熱は、熱回収装置109で回収され、貯湯ユニット121に送られる。   As shown in FIG. 6, the current standard ENE-FARM 100 is a unit in which two units of a fuel cell unit 101 and a hot water storage unit 121 are installed next to each other. The fuel cell unit 101 includes a fuel reformer 103 for reforming a fuel such as city gas to extract hydrogen, a fuel cell stack 105 for generating electricity (direct current) by reacting the extracted hydrogen with air oxygen, An inverter 107 is provided that converts the DC electricity into AC and supplies it to the home. The heat generated by the fuel cell stack 105 and the fuel reformer 103 is recovered by the heat recovery device 109 and sent to the hot water storage unit 121.

貯湯ユニット121は、貯湯タンク123とバックアップ給湯器125とを備える。貯湯タンク123は、熱回収装置109から来る熱媒体の熱を、給水される水に伝えてお湯にして貯めておき、家庭内の需要に応じて供給する。バックアップ給湯器125は、ガス燃焼熱を水管内を通る水に伝えてお湯を沸かす、従来より多用されているものであり、貯湯タンク123のお湯で需要をまかなえないときにお湯を供給する。   The hot water storage unit 121 includes a hot water storage tank 123 and a backup water heater 125. The hot water storage tank 123 transmits the heat of the heat medium coming from the heat recovery device 109 to the water to be supplied, stores it as hot water, and supplies it according to domestic demand. The backup water heater 125 is used more frequently than before to transmit gas combustion heat to the water passing through the water pipe to boil the hot water. The hot water in the hot water storage tank 123 supplies hot water when the demand cannot be met.

現状のエネファーム100では、燃料である都市ガス等を、燃料電池ユニット101と貯湯ユニット121の双方に、それぞれ別個の配管110・130から供給している。これらのガス配管110・130は、通常、フレキ管製である。フレキ管とは、環状の凹凸加工(コルゲート)が施された薄肉ステンレス鋼管の外側を、軟質塩化ビニル樹脂等で被覆したものであり、可撓性があり施工性に優れているので、住宅内やその周りのガス配管材料として多用されている。ガス配管110・130の端には、「機器接続ガス栓」と称されるガス栓111・113が配置される。   In the current ENE FARM 100, city gas or the like as fuel is supplied to both the fuel cell unit 101 and the hot water storage unit 121 from separate pipes 110 and 130, respectively. These gas pipes 110 and 130 are usually made of flexible pipes. A flexible pipe is an outer wall of a thin stainless steel pipe that has been subjected to an annular concavo-convex process (corrugated), and is coated with a soft vinyl chloride resin. It is flexible and has excellent workability. It is often used as a gas piping material around it. At the ends of the gas pipes 110 and 130, gas plugs 111 and 113 called “equipment connection gas plugs” are arranged.

このガス配管の新設・増設・変更工事は、ガス事業法の定める技術上の基準に適合し維持するため、ガス事業者あるいはその指定工事店が施工している。そして、その工事は、「社団法人日本ガス協会」が認定する「内管工事士」が、施工・指示・確認を行うことになっている(「社団法人日本ガス協会 内管工事資格制度のご案内」による)。   The new construction, expansion and modification of gas pipes are carried out by gas companies or their designated construction shops in order to maintain and maintain the technical standards stipulated by the Gas Business Law. The construction is to be performed, instructed and confirmed by an “inner pipe engineer” certified by the “Japan Gas Association”. "Guidance").

エネファームの燃料電池ユニット・貯湯ユニットの基本的構成に関する先行技術資料を以下に提示する。
特開2007−294296号公報 特開2013−15263号公報
The following are prior art documents related to the basic configuration of ENE-FARM's fuel cell unit and hot water storage unit.
JP 2007-294296 A JP 2013-15263

前述のように、エネファーム設置工事においては、燃料電池ユニット用と貯湯ユニット用の二箇所で、有資格者による配管工事が必要になり、それに伴う費用も相当にかかる。本発明は、複数のガス消費機器が近接して配置される部位において用い易く、ガス消費機器の設置作業費用を低減することができるホース接続分岐継手等を提供することを目的とする。また、小型で設置スペーサの小さい機器接続栓付きホース分岐継手等を提供することを目的とする。   As described above, in the ENE-FARM installation work, piping work by qualified personnel is required at two locations for the fuel cell unit and the hot water storage unit, and the costs associated therewith are considerable. It is an object of the present invention to provide a hose connection branch joint or the like that can be easily used at a site where a plurality of gas consuming devices are arranged close to each other and can reduce the installation work cost of the gas consuming devices. It is another object of the present invention to provide a small hose branch joint with a device connection plug having a small installation spacer.

この「課題を解決するための手段」の項、及び、「特許請求の範囲」においては、添付図各部の参照符号を括弧書きして示すが、これは単に参考のためであって、権利範囲を添付図のものに限定するものではない。   In this “Means for Solving the Problems” and “Claims”, the reference numerals of the respective parts of the attached drawings are shown in parentheses, but this is merely for reference and is within the scope of the right. However, the present invention is not limited to the attached drawings.

本発明のホース接続分岐継手(20)は、 入口部(23w)、主出口部(23b)、分岐出口部(23p)、前記入口部(23w)と前記主出口部(23b)をつなぐ主ガス通路(23f)、及び、該主ガス通路(23f)から分岐して前記分岐出口部(23p)に至る分岐ガス通路(23s)、を有する本体(23)と、 前記主出口部(23b)に取り付けられた主自在継手(21)と、 前記分岐出口部(23p)に取り付けられた、ベンド型分岐自在継手(27)と、 該ベンド型分岐自在継手(27)の出側に取り付けられた強化ガスホース自在継手(29・31)と、を具備することを特徴とする。   The hose connection branch joint (20) of the present invention includes an inlet (23w), a main outlet (23b), a branch outlet (23p), and a main gas connecting the inlet (23w) and the main outlet (23b). A main body (23) having a passage (23f) and a branch gas passage (23s) branched from the main gas passage (23f) to reach the branch outlet portion (23p); and the main outlet portion (23b) The attached main universal joint (21), the bend-type branch universal joint (27) attached to the branch outlet (23p), and the reinforcement attached to the outlet side of the bend-type branch universal joint (27) And a gas hose universal joint (29, 31).

本発明の機器接続栓付きホース分岐継手(20)は、上記ホース接続分岐継手(20)と、 前記本体(23)の、前記主ガス通路(23f)における、前記分岐ガス通路(23s)の分岐部と、前記主出口部(23b)との間に設けられた機器接続栓(25)と、を具備することを特徴とする。この場合、分岐ガス通路(23s)から分岐先のガス消費機器にのみガスを送りながら、主出口部(23b)行きのガスを遮断できる。   The hose branch joint (20) with a device connection plug of the present invention includes a branch of the branch gas passage (23s) in the main gas passage (23f) of the hose connection branch joint (20) and the main body (23). And a device connection plug (25) provided between the main outlet portion (23b). In this case, the gas to the main outlet (23b) can be shut off while sending the gas only from the branch gas passage (23s) to the gas consuming device at the branch destination.

本発明のホース接続自在継手付き機器接続栓(80)は、 入口部(84r)、出口部(84b)、前記入口部(84r)と前記出口部(84b)をつなぐガス通路(84f・84c)、及び、前記ガス通路(84f・84c)中に形成された栓体摺動面84j、を有する本体(84)と、 前記入口部(84r)に取り付けられた強化ガスホース自在継手(90・61)と、 前記出口部(84b)に取り付けられた自在継手(68)と、を具備することを特徴とする。   The device connection plug (80) with a universal joint for hose connection of the present invention includes an inlet part (84r), an outlet part (84b), and a gas passage (84f / 84c) connecting the inlet part (84r) and the outlet part (84b). And a main body (84) having a plug sliding surface 84j formed in the gas passage (84f / 84c), and a reinforced gas hose universal joint (90/61) attached to the inlet (84r) And a universal joint (68) attached to the outlet part (84b).

本発明の複数ガス消費機器へのガス分配装置(強化ガスホース接続組立体)は、上記ホース接続分岐継手(20)、又は、機器接続栓付きホース分岐継手(20)と、 前記継手(20)の前記強化ガスホース自在継手(29・31)に接続された強化ガスホース(51)と、 該強化ガスホース(51)の先に接続されたホース接続継手付き機器接続栓(60・80)と、を具備することを特徴とする。   A gas distribution device (reinforced gas hose connection assembly) to a plurality of gas consuming devices of the present invention includes the hose connection branch joint (20) or the hose branch joint (20) with a device connection plug, and the joint (20). A reinforced gas hose (51) connected to the reinforced gas hose universal joint (29/31); and a device connection plug (60/80) with a hose connection joint connected to the tip of the reinforced gas hose (51). It is characterized by that.

本発明の燃料電池コージェネレーションシステム(1)は、 バックアップ給湯器(7)を具備する貯湯ユニット(5)と、ガス改質装置(9)を具備する燃料電池ユニット(3)と、を備え、 前記バックアップ給湯器(7)及び前記ガス改質装置(9)に、上記ガス分配装置によりガス供給することを特徴とする。   The fuel cell cogeneration system (1) of the present invention includes a hot water storage unit (5) having a backup water heater (7), and a fuel cell unit (3) having a gas reformer (9), A gas is supplied to the backup water heater (7) and the gas reformer (9) by the gas distributor.

本発明によれば、複数のガス消費機器が近接して配置される部位において用い易く、ガス消費機器の設置作業費用を低減することができるホース接続分岐継手等を提供することができる。あるいは、小型で設置スペーサの小さい機器接続栓付きホース分岐継手等を提供できる。   According to the present invention, it is possible to provide a hose connection branch joint or the like that can be easily used at a site where a plurality of gas consuming devices are arranged close to each other and can reduce the installation work cost of the gas consuming device. Alternatively, it is possible to provide a small hose branch joint with a device connection plug having a small installation spacer.

本発明の実施形態に係る機器接続栓付きホース接続分岐継手20の断面図である。1 is a cross-sectional view of a hose connection branch joint 20 with a device connection plug according to an embodiment of the present invention. 本発明の実施形態の強化ガスホース接続組立体を備える家庭用燃料電池コージェネレーションシステムの構成概要図である。It is a composition outline figure of a domestic fuel cell cogeneration system provided with a reinforced gas hose connection assembly of an embodiment of the present invention. 図1のホース接続分岐継手20をガス配管40の先端につないだ状態を示す斜視図である。ベンド継手27及びホース自在継手29は、図1の状態から手前側へ90度回動した状態である。FIG. 2 is a perspective view showing a state in which the hose connection branch joint 20 of FIG. The bend joint 27 and the hose universal joint 29 are turned 90 degrees from the state shown in FIG. 図2の強化ガスホース接続組立体の、ホース接続栓60の断面図である。FIG. 3 is a cross-sectional view of a hose connection plug 60 of the reinforced gas hose connection assembly of FIG. 2. 変形例(強化ガスホース捩れ取り自在継手付き)のホース接続栓付き継手80の断面図である。FIG. 10 is a cross-sectional view of a joint 80 with a hose connection plug of a modified example (with a reinforced gas hose twistable universal joint). 代表的な「エネファーム」の機器構成の概要と、それへのガス供給系統の概要を示す図である。It is a figure which shows the outline | summary of the apparatus structure of a typical "ENE FARM", and the outline | summary of the gas supply system to it.

1;家庭用燃料電池コージェネレーションシステム(エネファーム)
3;燃料電池ユニット、5;貯湯ユニット、7;バックアップ給湯器、9;ガス改質装置
20;ホース接続分岐継手、21;主自在継手(主継手)、
23;本体、23b;主出口部、23f;主ガス通路、23j;栓体摺動面、23p;分岐出口部
23s;分岐ガス通路、23w;入口部、
24;栓体、24b;ガス通孔、25;機器接続栓、26;ハンドル
27;ベンド型分岐自在継手(分岐継手)、27b;根元部(自在メス部)、27d;内面
27h;中央部、27k;ガス通路、27r;自在継手オス部、28;ストップリング
29;ホース自在継手、29b;根元部(自在メス部)、29d;内面、29j;ガス通路(内孔)29r;ホース接続部、29t;ホース内径挿入部、29w;環状段部、30;ストップリング、
31;強化ガスホース継手(ソケット)、33;スリーブ、33w;環状段部
41;ガス配管(メネジ)継手、41b;六角部、43;ガス栓43;ハンドル、
45;フレキ管継手、47;フレキ管(ガス配管)
51;強化ガスホース、51b;貯湯ユニット側端部、51x;燃料電池ユニット側端部
60;ホース接続機器接続栓
61;強化ガスホース継手(ソケット)、62;スリーブ、62w;環状段部
64;栓本体、64b;出口部、64c;出側ガス通路、64f;ガス通路、64j;栓体摺動面、
64r;ホース接続部、64t;ホース内径挿入部、64w;環状段部
65;機器接続栓、66;ハンドル、67;栓体、67b・c;ガス通孔、
68;出口継手、68b;根元部(自在メス部)、68j;内面、68m;メネジ、
69;ストップリング、71;コイルばね、73;キー
80;ホース接続自在継手付き機器接続栓、83;ストップリング
84;本体、84b;出口部、84c;ガス通路、84f;ガス通路、84j;栓体摺動面、
84r;自在継手オス部、
90;自在継手、90b;根元部(自在メス部)、90d;内面、90j;ガス通路、
90r;ホース接続部、90t;ホース内径挿入部、
100;エネファーム、101;燃料電池ユニット、103;燃料改質装置
105;燃料電池スタック、107;インバータ、109;熱回収装置
110;ガス配管、111;機器ガス栓
121;貯湯ユニット、123;貯湯タンク、125;バックアップ給湯器
130;ガス配管、131;機器ガス栓
1: Residential fuel cell cogeneration system (ENE-FARM)
3; Fuel cell unit, 5; Hot water storage unit, 7; Backup water heater, 9; Gas reformer
20; Hose connection branch joint, 21; Main universal joint (main joint),
23; Main body, 23b; Main outlet, 23f; Main gas passage, 23j; Plug sliding surface, 23p; Branch outlet
23s; branch gas passage, 23w; inlet,
24; Plug body, 24b; Gas hole, 25; Device connection plug, 26; Handle
27; Bend-type branch universal joint (branch joint), 27b; Root part (universal female part), 27d; Inner surface
27h; Central part, 27k; Gas passage, 27r; Universal joint male part, 28; Stop ring
29; Hose universal joint, 29b; Root part (universal female part), 29d; Inner surface, 29j; Gas passage (inner hole) 29r; Hose connection part, 29t; Hose inner diameter insertion part, 29w; ring,
31; Reinforced gas hose fitting (socket), 33; Sleeve, 33w;
41; Gas pipe (female thread) joint, 41b; Hex, 43; Gas stopper 43; Handle,
45; Flexible pipe joint, 47; Flexible pipe (gas piping)
51; Reinforced gas hose, 51b; Hot water storage unit side end, 51x; Fuel cell unit side end
60; Hose connector plug
61; Reinforced gas hose fitting (socket), 62; Sleeve, 62w;
64; plug body, 64b; outlet portion, 64c; outlet side gas passage, 64f; gas passage, 64j;
64r; hose connection part, 64t; hose inner diameter insertion part, 64w; annular step
65; device connection plug, 66; handle, 67; plug, 67b · c; gas hole,
68; outlet joint, 68b; root part (universal female part), 68j; inner surface, 68m; female thread,
69; Stop ring, 71; Coil spring, 73; Key
80; Device connection plug with hose universal joint, 83; Stop ring
84; main body, 84b; outlet, 84c; gas passage, 84f; gas passage, 84j; plug sliding surface,
84r; universal joint male part,
90; universal joint, 90b; root part (universal female part), 90d; inner surface, 90j; gas passage,
90r; hose connection part, 90t; hose inner diameter insertion part,
100; ENE-FARM, 101; Fuel cell unit, 103; Fuel reformer
105; Fuel cell stack, 107; Inverter, 109; Heat recovery device
110; Gas piping, 111; Equipment gas stopper
121; Hot water storage unit, 123; Hot water storage tank, 125; Backup water heater
130; gas piping, 131; equipment gas stopper

以下、本発明の実施形態を、図面を参照しながら説明する。最初に、主に図1及び図3を参照しつつ、ホース接続分岐継手20について説明する。図1中において矢印で示す上下左右は、図の面を立てて見る人から見た方向である。図3において、手前・奥は、機器接続栓25やガス栓43のハンドル26・44の正面に位置する人から見た方向である。   Embodiments of the present invention will be described below with reference to the drawings. First, the hose connection branch joint 20 will be described mainly with reference to FIGS. 1 and 3. In FIG. 1, up, down, left, and right indicated by arrows are directions viewed from a person who stands with the surface of the figure. In FIG. 3, the front and back are directions seen from the person located in front of the handles 26 and 44 of the device connection plug 25 and the gas plug 43.

この分岐継手20は、図の上下に延びる略筒状の継手本体23や、その上端部に接続された主自在継手21、継手本体23の下部左側に接続されたベンド型分岐自在継手27及びホース自在継手29、強化ガスホース継手31などからなる。以下、具体的に説明する。なお、「主自在継手21」を「主継手21」と、「ベンド型分岐自在継手27」を「分岐継手27」と略称することもある。   This branch joint 20 includes a substantially cylindrical joint body 23 extending vertically in the figure, a main universal joint 21 connected to the upper end portion thereof, a bend type branch universal joint 27 connected to the lower left side of the joint body 23, and a hose. It consists of a universal joint 29, a reinforced gas hose joint 31, and the like. This will be specifically described below. The “main universal joint 21” may be abbreviated as “main joint 21”, and the “bend-type branch universal joint 27” may be abbreviated as “branch joint 27”.

継手本体23は、全体として、部厚い筒状のもの(材料は鍛造真鍮など)であり、中心部に上下方向に延びる主ガス通路23fが形成されている。継手本体23の下端部は、ガス入側接続部(入口部23w)となっており、その外面にはオネジ(図示されず)が形成されている。この入口部23wには、図3に示すメネジ継手41がねじ込まれ、その下のガス栓43からガスが供給される。なお、ガス栓43の下には、フレキ管継手45を介してフレキ管47のガス配管がつながっている。   The joint body 23 as a whole has a thick cylindrical shape (the material is forged brass or the like), and a main gas passage 23f extending in the vertical direction is formed at the center. The lower end portion of the joint body 23 is a gas inlet side connection portion (inlet portion 23w), and a male screw (not shown) is formed on the outer surface thereof. A female threaded joint 41 shown in FIG. 3 is screwed into the inlet portion 23w, and gas is supplied from a gas stopper 43 below it. A gas pipe for the flexible pipe 47 is connected under the gas plug 43 via a flexible pipe joint 45.

継手本体23の主ガス通路23fの上下方向中央やや上の部分には、大径の栓体摺動面23j(円筒台面)が形成されている。この栓体摺動面23jには、機器接続栓25の栓体24が嵌って摺動する。栓体24には、貫通孔であるガス通孔24bが開けられている。このガス通孔24bは、図1の状態では、主ガス通路23fと同軸の回動位置にあり、栓全開である。この状態から図3に示すハンドル26を回して、栓体24を90度回動させると全閉となる。   A large-diameter plug sliding surface 23j (cylindrical base surface) is formed at a slightly upper portion in the vertical center of the main gas passage 23f of the joint body 23. The plug body 24 of the device connection plug 25 is fitted and slid on the plug body sliding surface 23j. The plug body 24 has a gas through hole 24b which is a through hole. In the state shown in FIG. 1, the gas passage hole 24b is in a rotational position coaxial with the main gas passage 23f and is fully opened. When the handle 26 shown in FIG. 3 is turned from this state to turn the plug 24 by 90 degrees, the plug is fully closed.

継手本体23の上端部は、第一のガス出側接続部(主出口部23b)となっている。主出口部23bの内面は、主ガス通路23fの上端部であり、主出口継手21内に開口している。主出口部23bは、ガス消費機器(この例ではバックアップ給湯器7、図2参照)につながる、自在継手のオス部である。主出口部23bの外面は、主出口継手21の根元部内面(自在継手メス部)21jに、回動自在・軸方向移動不能に嵌合している。主出口部23bの外面には、Oリング1・2の嵌る溝と、ストップリング22の内径部が入る溝が形成されている。   The upper end portion of the joint body 23 is a first gas outlet side connection portion (main outlet portion 23b). The inner surface of the main outlet 23b is the upper end of the main gas passage 23f and opens into the main outlet joint 21. The main outlet 23b is a male part of a universal joint that is connected to a gas consuming device (in this example, the backup water heater 7, see FIG. 2). The outer surface of the main outlet portion 23b is fitted to the inner surface (universal female portion) 21j of the root portion of the main outlet joint 21 so as to be rotatable and immovable in the axial direction. A groove into which the O-rings 1 and 2 are fitted and a groove into which the inner diameter portion of the stop ring 22 is inserted are formed on the outer surface of the main outlet 23b.

継手本体23の下から三分の一程度の部分における左側壁には、分岐出口部23pが、外側に突出するように形成されている。分岐出口部23pの内部は、分岐ガス通路23sとなっており、この分岐ガス通路23sの元側は、主ガス通路23fの下から三分の一程度の部位につながっている。分岐出口部23pの外面は、自在継手オス部となっており、ベンド型分岐自在継手(分岐継手)27の根元部(自在メス部)27bの内面27dに、回動自在・軸方向移動不能に嵌合している。分岐出口部23pの外面には、Oリング3・4の嵌る溝と、ストップリング28の内径部が入る溝が形成されている。   A branch outlet portion 23p is formed on the left side wall in a portion of about one third from the bottom of the joint body 23 so as to protrude outward. The inside of the branch outlet 23p is a branch gas passage 23s, and the original side of the branch gas passage 23s is connected to a portion of about one third from the bottom of the main gas passage 23f. The outer surface of the branch outlet 23p is a universal male part, and it can be rotated and cannot move in the axial direction on the inner surface 27d of the base part (scalpel female part) 27b of the bend type branch universal joint (branch joint) 27 It is mated. A groove into which the O-rings 3 and 4 are fitted and a groove into which the inner diameter portion of the stop ring 28 is inserted are formed on the outer surface of the branch outlet portion 23p.

分岐継手27の中央部27hは、90度曲がっており、図の下方に延びている。この部分の内孔(ガス通路27k)も90度彎曲して下方に延びている。ベンド分岐継手27の中央部27hの下側には、分岐継手27の自在継手オス部27rが形成されている。同オス部27rは、ホース自在継手29の根元部(自在メス部)29bの内面29dに、回動自在・軸方向移動不能に嵌合している。自在継手オス部27rの外面には、Oリング5・6の嵌る溝と、ストップリング30の内径部が入る溝が形成されている。   A central portion 27h of the branch joint 27 is bent 90 degrees and extends downward in the drawing. The inner hole (gas passage 27k) of this portion is also bent 90 degrees and extends downward. A universal joint male portion 27r of the branch joint 27 is formed below the central portion 27h of the bend branch joint 27. The male part 27r is fitted to the inner surface 29d of the base part (scalpel part) 29b of the hose universal joint 29 so as to be rotatable and non-movable in the axial direction. On the outer surface of the universal joint male portion 27r, a groove into which the O-rings 5 and 6 are fitted and a groove into which the inner diameter portion of the stop ring 30 is inserted are formed.

ホース自在継手29の根元部29bの下側には、ホース接続部29rがつながっている。ホース接続部29rの内孔(ガス通路29j)は下方に延びている。ホース接続部29rの外面には、ソケット31がネジにより係合している。ソケット31の内側には、スリーブ33が嵌合している。ホース接続部29rの下側中央部には、比較的薄肉パイプ状のホース内径挿入部29tが接続している。スリーブ33の内周面、及び、ホース内径挿入部29tの外面には、複数の環状段部33w・29wが形成されている。   A hose connection portion 29r is connected to the lower side of the root portion 29b of the hose universal joint 29. The inner hole (gas passage 29j) of the hose connection part 29r extends downward. A socket 31 is engaged with an outer surface of the hose connection portion 29r by a screw. A sleeve 33 is fitted inside the socket 31. A relatively thin pipe-shaped hose inner diameter insertion portion 29t is connected to the lower central portion of the hose connection portion 29r. A plurality of annular step portions 33w and 29w are formed on the inner peripheral surface of the sleeve 33 and the outer surface of the hose inner diameter insertion portion 29t.

これらのホース内径挿入部29tと、スリーブ33との間に、強化ガスホース(図2の符号51)の端部を差し込み、ソケット31をホース接続部29rにねじ込んで、ホースの端部をホース自在継手29・ソケット31に固定する。   The end of the reinforced gas hose (reference numeral 51 in FIG. 2) is inserted between the hose inner diameter insertion portion 29t and the sleeve 33, the socket 31 is screwed into the hose connection portion 29r, and the end of the hose is connected to the hose universal joint. 29. Fasten to socket 31.

図3において、ベンド分岐継手27、及び、ホース自在継手29・ソケット31は、図1の状態から手前側へ90度回動した状態である。すなわち、図1の状態から、ホース自在継手29・ソケット31を、手や工具で、図3で見て上・手前方向に回すと、図1に示すベンド分岐継手27の根元部(自在メス部)27bが、継手本体23の分岐出口部23pの周りで回動する。そして、ホース自在継手29及びソケット31が(強化ガスホース51がつながっているときは同ホース51も)、図3の手前側に向く。   In FIG. 3, the bend branch joint 27, the hose universal joint 29, and the socket 31 are rotated 90 degrees from the state shown in FIG. That is, when the hose universal joint 29 / socket 31 is turned in the up / down direction as seen in FIG. 3 from the state of FIG. 1 by hand or a tool, the base portion of the bend branch joint 27 shown in FIG. ) 27b rotates around the branch outlet 23p of the joint body 23. Then, the hose universal joint 29 and the socket 31 (and the hose 51 when the reinforced gas hose 51 is connected) face the front side of FIG.

このベンド分岐継手27の手前回動状態では、ガス栓43のメネジ継手(自在)41外面の六角部41bの周囲から、ホース自在継手29及びソケット31が逃げて、両者の間にスペーサが開く。こうしておいて、メネジ継手(自在)41外面の六角部41bにスパナなどの工具をかけて、継手41を、ホース接続分岐継手20に楽にねじ込める。ソケット31をホース接続部29rにねじ込む際も、この分岐継手手前回動状態とする。なお、ホース自在継手29の自在機構は、強化ガスホース51の捩れ取り用であり、意図的に回すようなものではない。   When the bend branch joint 27 is rotated forward, the hose universal joint 29 and the socket 31 escape from the periphery of the hexagonal portion 41b on the outer surface of the female screw joint (free) 41 of the gas plug 43, and the spacer opens between the two. In this way, a tool such as a spanner is applied to the hexagonal portion 41b on the outer surface of the female threaded joint (free) 41, and the joint 41 is easily screwed into the hose connection branch joint 20. Even when the socket 31 is screwed into the hose connection portion 29r, the state before the branch joint is turned. The universal mechanism of the hose universal joint 29 is for twisting the reinforcing gas hose 51 and is not intended to be turned.

逆に言うと、図1の状態では、ベンド型の分岐継手27が、継手本体入口部23wと並列となるような回動角度となっており、同入口部23wに接続されるガス配管継手41と、回動自在強化ガスホース継手(ホース自在継手29・ソケット31)との間の間隔(図中のY)が、工具挿入に支障をきたすほど狭い。別言すれば、回動自在強化ガスホース継手(ホース自在継手29・ソケット31)が、継手本体23の入口部23wに近接して設けられている。しかしながら、その結果、継手本体23の中心と、ホース自在継手29の外面との間の距離(図中のX)が比較的小さくなって、ホース接続分岐継手20を貯湯ユニット5の中に収容しやすくなる。   In other words, in the state of FIG. 1, the bend-type branch joint 27 has a rotation angle so as to be parallel to the joint body inlet portion 23w, and the gas pipe joint 41 connected to the inlet portion 23w. And the space (Y in the figure) between the reinforced gas hose joint (the hose universal joint 29 and the socket 31) is so narrow that it interferes with the tool insertion. In other words, a rotatable reinforced gas hose joint (hose universal joint 29 / socket 31) is provided close to the inlet 23w of the joint body 23. However, as a result, the distance (X in the figure) between the center of the joint body 23 and the outer surface of the hose universal joint 29 becomes relatively small, and the hose connection branch joint 20 is accommodated in the hot water storage unit 5. It becomes easy.

ここで、上記寸法X・Yの例は、X;53mm、Y;5mmである。   Here, the example of the said dimension X * Y is X; 53mm, Y; 5mm.

次に、図2を参照しつつ、本発明の実施形態の強化ガスホース接続組立体(複数ガス消費機器へのガス分配装置)を備える、家庭用燃料電池コージェネレーションシステム(エネファーム)1の構成概要を説明する。図2に示すように、本発明の実施形態に係るエネファーム1は、燃料電池ユニット3と貯湯ユニット5の二つのユニットを隣り合わせに併設したものである。この実施形態においては、燃料である都市ガスを、一本のガス配管47から、貯湯ユニット5のバックアップ給湯器7と、燃料電池ユニット3のガス改質装置9に供給している。   Next, referring to FIG. 2, an outline of the configuration of a domestic fuel cell cogeneration system (ENE-FARM) 1 including the reinforced gas hose connection assembly (gas distribution device to a plurality of gas consuming devices) according to the embodiment of the present invention. Will be explained. As shown in FIG. 2, the energy farm 1 according to the embodiment of the present invention has two units of a fuel cell unit 3 and a hot water storage unit 5 arranged side by side. In this embodiment, city gas as fuel is supplied from one gas pipe 47 to the backup water heater 7 of the hot water storage unit 5 and the gas reformer 9 of the fuel cell unit 3.

すなわち、ガス配管47から、ガスが、フレキ管継手45→ガス栓43→メネジ継手41→ホース接続分岐継手20→その主自在継手21を通って、貯湯ユニット5のバックアップ給湯器7に送られる。そして、燃料電池ユニット3(ガス改質装置9)に対しては、別個のガス配管を引くのではなく、上記ホース接続分岐継手20から、そのベンド分岐継手27→ホース自在継手29・強化ガスホース継手(ソケット)31→強化ガスホース51→燃料電池ユニット3側のホース接続栓60を経て、ガスが供給される。なお、強化ガスホースは、ゴム層と硬鋼線補強層、熱可塑性樹脂外層などからなる、可とう性と強度・安全性に優れたガスホースである。   That is, gas is sent from the gas pipe 47 to the backup water heater 7 of the hot water storage unit 5 through the flexible pipe joint 45 → the gas plug 43 → the female thread joint 41 → the hose connection branch joint 20 → the main universal joint 21. For the fuel cell unit 3 (gas reformer 9), instead of drawing a separate gas pipe, the bend branch joint 27 → the hose universal joint 29 / the reinforced gas hose joint is connected from the hose connection branch joint 20. (Socket) 31 → Enhanced gas hose 51 → The gas is supplied through the hose connection plug 60 on the fuel cell unit 3 side. The reinforced gas hose is a gas hose comprising a rubber layer, a hard steel wire reinforcing layer, an outer layer of a thermoplastic resin, etc. and having excellent flexibility, strength and safety.

図4は、図2の強化ガスホース接続組立体の、燃料電池ユニット接続側のホース接続栓60の断面図である。
このホース接続栓60は、図の上下に略筒状に延びる栓本体64や、その側部に接続された回動自在継手68、栓本体64の図の下部に接続された強化ガスホース継手(ソケット61やスリーブ62)などからなる。以下、具体的に説明する。
FIG. 4 is a cross-sectional view of the hose connection plug 60 on the fuel cell unit connection side of the reinforced gas hose connection assembly of FIG.
This hose connection plug 60 includes a plug main body 64 extending in a substantially cylindrical shape at the top and bottom of the figure, a rotatable joint 68 connected to the side thereof, and a reinforced gas hose joint (socket connected to the lower part of the plug main body 64 in the figure. 61 and sleeve 62). This will be specifically described below.

栓本体64は、全体として、部厚い筒状のもの(材料は鍛造真鍮など)であり、その下半部の中心部に、上下方向に延びるガス通路64fが形成されている。栓本体64の図の下端部は、ソケット61やスリーブ62と組み合さってホース継手を構成する、ガス入側接続部(ホース接続部64r・ホース内径挿入部64t)となっている。このホース内径挿入部64tには、図2に示す強化ガスホース51の燃料電池ユニット3側の端部51xが差し込まれ、同ホース51からガスが供給される。   The plug body 64 is generally a thick tube (the material is forged brass or the like), and a gas passage 64f extending in the vertical direction is formed at the center of the lower half of the stopper body 64. The lower end portion of the plug body 64 in the figure is a gas inlet side connecting portion (hose connecting portion 64r / hose inner diameter inserting portion 64t) which is combined with the socket 61 and the sleeve 62 to form a hose joint. An end 51x of the reinforced gas hose 51 shown in FIG. 2 on the fuel cell unit 3 side is inserted into the hose inner diameter insertion portion 64t, and gas is supplied from the hose 51.

上記ホース接続部64rの外面には、ソケット61がネジにより係合している。ソケット61の内側には、スリーブ62が嵌合している。ホース接続部64rの下側中央部には、比較的薄肉パイプ状のホース内径挿入部64tが接続している。スリーブ62の内周面、及び、ホース内径挿入部64tの外面には、ホース滑り止め用の、複数の環状段部62w・64wが形成されている。   A socket 61 is engaged with an outer surface of the hose connection portion 64r by a screw. A sleeve 62 is fitted inside the socket 61. A relatively thin pipe-shaped hose inner diameter insertion portion 64t is connected to the lower central portion of the hose connection portion 64r. On the inner peripheral surface of the sleeve 62 and the outer surface of the hose inner diameter insertion portion 64t, a plurality of annular step portions 62w and 64w for preventing the hose slip are formed.

これらのホース内径挿入部64tと、ソケット61との間に、強化ガスホースの端部を差し込み、ソケット61をホース接続部64rにねじ込んで、ホース端部51xをホース接続栓60に固定する。   The end portion of the reinforced gas hose is inserted between the hose inner diameter insertion portion 64t and the socket 61, the socket 61 is screwed into the hose connection portion 64r, and the hose end portion 51x is fixed to the hose connection plug 60.

ガス通路64fの図の上部には、大径の栓体摺動面64j(円筒台面)が形成されている。この栓体摺動面64jには、機器接続栓65の栓体67が嵌って摺動する。栓体67には、T字型のガス通孔67b・67cが開けられている。下側のガス通孔67bは、本体ガス通路64fと同軸で連通している。上側のガス通孔67cは、図4の状態では、本体出側ガス通路64cに同軸で連通する位置にあり、栓65は全開である。この状態からハンドル66を回して、栓体67を90度回動させると全閉となる。なお、栓体67は、コイルばね71によって、図の下方に付勢されている。また、栓体67とハンドル66との間は、キー73で接続されている。   A large-diameter plug sliding surface 64j (cylindrical base surface) is formed in the upper part of the figure of the gas passage 64f. The plug 67 of the device connection plug 65 fits and slides on the plug sliding surface 64j. The plug 67 is provided with T-shaped gas through holes 67b and 67c. The lower gas passage hole 67b communicates coaxially with the main body gas passage 64f. In the state of FIG. 4, the upper gas passage hole 67c is in a position communicating coaxially with the main body outlet gas passage 64c, and the plug 65 is fully open. When the handle 66 is turned from this state to turn the plug 67 by 90 degrees, the plug 67 is fully closed. The plug 67 is urged downward by a coil spring 71 in the drawing. The plug 67 and the handle 66 are connected by a key 73.

栓体摺動面64jの図の左側部は、突出した出口部64bとなっている。出口部64bの内部には、上述の本体出側ガス通路64cが形成されており、出口継手68内に開口している。出口部64bは、ガス消費機器(この例では燃料電池ユニット3のガス改質装置9、図2参照)につながる、自在継手のオス部である。出口部64bの外面は、出口継手68の根元部(自在メス部)68bの内面68jに、回動自在・軸方向移動不能に嵌合している。出口部64bの外面には、Oリング7・8の嵌る溝と、ストップリング69の内径部が入る溝が形成されている。出口継手68の出側内面にはメネジ68mが切られている。   The left side portion of the plug sliding surface 64j in the figure is a protruding outlet portion 64b. The above-mentioned main body outlet gas passage 64c is formed inside the outlet portion 64b and opens into the outlet joint 68. The outlet part 64b is a male part of a universal joint that is connected to a gas consuming device (in this example, the gas reformer 9 of the fuel cell unit 3, see FIG. 2). The outer surface of the outlet portion 64b is fitted to the inner surface 68j of the root portion (scalpel portion) 68b of the outlet joint 68 so as to be rotatable and non-movable in the axial direction. On the outer surface of the outlet portion 64b, a groove into which the O-rings 7 and 8 are fitted and a groove into which the inner diameter portion of the stop ring 69 is inserted are formed. A female thread 68m is cut on the outlet inner surface of the outlet joint 68.

図5は、変形例(強化ガスホース捩れ取り自在継手付き)のホース接続自在継手付き機器接続栓80の断面図である。図4の例においては、ホース継手(ソケット61・スリーブ62)が栓本体64の下端部に直接設けられているが、図5の例では、両者の間に、自在継手90が介在している。なお、図5において、図4と同じ符号で示した部分は、同様の部分である。また、図5の栓本体84の各部分において、図4から20を加えた符号の部分も、特記するものを除いて、同様の部分である(例えば、本体出側ガス通路84cなど)。   FIG. 5 is a cross-sectional view of a device connection plug 80 with a hose connection universal joint of a modified example (with a reinforced gas hose twistable universal joint). In the example of FIG. 4, the hose joint (socket 61 / sleeve 62) is directly provided at the lower end portion of the plug body 64, but in the example of FIG. 5, a universal joint 90 is interposed therebetween. . In FIG. 5, the same reference numerals as those in FIG. 4 denote the same parts. Further, in each part of the plug main body 84 in FIG. 5, the reference numerals added with FIGS. 4 to 20 are the same parts (for example, the main body outlet gas passage 84c, etc.) except for those specially noted.

以下、図5の例の機器接続栓80における特徴部分を説明する。栓本体84の下側には、自在継手オス部84rが形成されており、同オス部84rは、ホース自在継手90の根元部(自在メス部)90bの内面90dに、回動自在・軸方向移動不能に嵌合している。自在継手オス部84rの外面には、OリングOL9・OL10の嵌る溝と、ストップリング83の内径部が入る溝が形成されている。   Hereinafter, the characteristic part in the apparatus connection plug 80 of the example of FIG. A universal joint male part 84r is formed on the lower side of the plug body 84, and the male part 84r is freely rotatable and axially formed on the inner surface 90d of the root part (universal female part) 90b of the hose universal joint 90. The fitting is impossible. On the outer surface of the universal joint male part 84r, a groove into which the O-rings OL9 and OL10 are fitted and a groove into which the inner diameter part of the stop ring 83 is inserted are formed.

ホース自在継手90の根元部90bの下側には、ホース接続部90rがつながっている。ホース接続部90rの内孔(ガス通路90j)は、図の下方に延びている。ソケット61や、スリーブ62は、図4の例と同じものである。接続部90rの下側中央部のホース内径挿入部90tは、図4の符号64tと同じものである。   A hose connection portion 90r is connected to the lower side of the root portion 90b of the hose universal joint 90. The inner hole (gas passage 90j) of the hose connection part 90r extends downward in the figure. The socket 61 and the sleeve 62 are the same as those in the example of FIG. The hose inner diameter insertion part 90t at the lower center part of the connection part 90r is the same as the reference numeral 64t in FIG.

図5の例は、燃料電池ユニット3側の強化ガスホース端部51xの接続部にも、自在継手90が介在しているので、強化ガスホース51の捻じれを取りやすい。すなわち、強化ガスホース51を貯湯ユニット5側の端51bを、最初にホース接続分岐継手20につないで、それからホース51を燃料電池ユニット3まで引き、その後に、同ホース51の端51xを機器接続栓80つなぐ場合、自在継手90があると、ホース51の捻じれを取るのが容易となる。   In the example of FIG. 5, the universal joint 90 is also interposed at the connection portion of the reinforced gas hose end 51x on the fuel cell unit 3 side, so that the reinforced gas hose 51 can be easily twisted. That is, the end 51b on the hot water storage unit 5 side of the reinforced gas hose 51 is first connected to the hose connection branch joint 20, and then the hose 51 is pulled to the fuel cell unit 3, and then the end 51x of the hose 51 is connected to the device connection plug In the case of connecting 80, if there is a universal joint 90, the hose 51 can be easily twisted.

Claims (6)

入口部(23w)、主出口部(23b)、分岐出口部(23p)、前記入口部(23w)と前記主出口部(23b)をつなぐ主ガス通路(23f)、及び、該主ガス通路(23f)から分岐して前記分岐出口部(23p)に至る分岐ガス通路(23s)、を有する本体(23)と、
前記主出口部(23b)に取り付けられた主自在継手(21)と、
前記分岐出口部(23p)に取り付けられた、ベンド型分岐自在継手(27)と、
該ベンド型分岐自在継手(27)の出側に取り付けられた強化ガスホース自在継手(29・31)と、
を具備することを特徴とするホース接続分岐継手(20)。
An inlet (23w), a main outlet (23b), a branch outlet (23p), a main gas passage (23f) connecting the inlet (23w) and the main outlet (23b), and the main gas passage ( A main body (23) having a branch gas passage (23s) branched from 23f) to the branch outlet (23p);
A main universal joint (21) attached to the main outlet (23b);
A bend-type branch universal joint (27) attached to the branch outlet (23p);
A reinforced gas hose universal joint (29/31) attached to the outlet side of the bend-type branch universal joint (27);
A hose connection branch joint (20) characterized by comprising:
請求項1記載のホース接続分岐継手(20)と、
前記本体(23)の、前記主ガス通路(23f)における、前記分岐ガス通路(23s)の分岐部と、前記主出口部(23b)との間に設けられた機器接続栓(25)と、
を具備することを特徴とする機器接続栓付きホース分岐継手(20)。
Hose connection branch joint (20) according to claim 1,
In the main gas passage (23f) of the main body (23), a device connection plug (25) provided between the branch portion of the branch gas passage (23s) and the main outlet portion (23b),
A hose branch joint (20) with a device connection plug characterized by comprising:
前記ベンド型自在継手(27)が、前記本体(23)の前記入口部(23w)と並列となる回動角度となった状態において、前記入口部(23w)に接続されるガス配管継手(41)と、前記強化ガスホース自在継手(29・31)との間の間隔が、継手回動工具挿入に支障をきたすほど狭いことを特徴とする請求項1記載のホース接続分岐継手(20)、又は、請求項2記載の機器接続栓付きホース分岐継手(20)。   The gas pipe joint (41) connected to the inlet portion (23w) in a state where the bend type universal joint (27) is at a rotation angle parallel to the inlet portion (23w) of the main body (23). 2) and the reinforced gas hose universal joint (29, 31), the hose connection branch joint (20) according to claim 1, or A hose branch joint (20) with a device connection plug according to claim 2. 入口部(84r)、出口部(84b)、前記入口部(84r)と前記出口部(84b)をつなぐガス通路(84f・84c)、及び、前記ガス通路(84f・84c)中に形成された栓体摺動面84j、を有する本体(84)と、
前記入口部(84r)に取り付けられた強化ガスホース自在継手(90・61)と、
前記出口部(84b)に取り付けられた自在継手(68)と、
を具備することを特徴とするホース接続自在継手付き機器接続栓(80)。
An inlet portion (84r), an outlet portion (84b), a gas passage (84f / 84c) connecting the inlet portion (84r) and the outlet portion (84b), and the gas passage (84f / 84c) are formed. A body (84) having a plug sliding surface 84j;
A reinforced gas hose universal joint (90/61) attached to the inlet (84r);
A universal joint (68) attached to the outlet (84b);
A device connection plug (80) with a universal joint for hose connection, characterized by comprising:
請求項1若しくは3記載のホース接続分岐継手(20)、又は、請求項2若しくは3記載の機器接続栓付きホース分岐継手(20)と、
前記継手(20)の前記強化ガスホース自在継手(29・31)に接続された強化ガスホース(51)と、
該強化ガスホース(51)の先に接続されたホース接続継手付き機器接続栓(60・80)と、
を具備することを特徴とする複数ガス消費機器へのガス分配装置。
The hose connection branch joint (20) according to claim 1 or 3, or the hose branch joint (20) with a device connection plug according to claim 2 or 3,
A reinforced gas hose (51) connected to the reinforced gas hose universal joint (29, 31) of the joint (20);
A device connection plug (60, 80) with a hose connection joint connected to the tip of the reinforced gas hose (51);
A gas distribution apparatus for a plurality of gas consuming devices.
バックアップ給湯器(7)を具備する貯湯ユニット(5)と、ガス改質装置(9)を具備する燃料電池ユニット(3)と、を備え、
前記バックアップ給湯器(7)及び前記ガス改質装置(9)に、請求項5記載のガス分配装置によりガス供給することを特徴とする燃料電池コージェネレーションシステム(1)。
A hot water storage unit (5) having a backup water heater (7), and a fuel cell unit (3) having a gas reformer (9),
A fuel cell cogeneration system (1), wherein gas is supplied to the backup water heater (7) and the gas reformer (9) by the gas distribution device according to claim 5.
JP2017036028A 2017-02-28 2017-02-28 Hose connection branch joint, hose branch joint with device connection plug, device connection plug with hose connection universal joint, gas distribution device to multiple gas consumption devices, and fuel cell cogeneration system having gas distribution device Pending JP2018141516A (en)

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JP2021080918A JP7101423B2 (en) 2017-02-28 2021-05-12 Fuel cell cogeneration system

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