JP2017101697A - Valve device - Google Patents

Valve device Download PDF

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JP2017101697A
JP2017101697A JP2015232985A JP2015232985A JP2017101697A JP 2017101697 A JP2017101697 A JP 2017101697A JP 2015232985 A JP2015232985 A JP 2015232985A JP 2015232985 A JP2015232985 A JP 2015232985A JP 2017101697 A JP2017101697 A JP 2017101697A
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flow path
valve
gas
base
flow
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JP6568783B2 (en
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夏輝 岩本
Natsuki Iwamoto
夏輝 岩本
顕 山下
Akira Yamashita
顕 山下
井上　修
Osamu Inoue
修 井上
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JTEKT Corp
Toyota Motor Corp
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Toyota Motor Corp
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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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells

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Abstract

PROBLEM TO BE SOLVED: To provide a valve device which can restrain foreign matters mixed into a gas from intruding into an on-off valve by a simple structure.SOLUTION: A base part 22 of a valve device 20 has a first flow passage 30 having an on-off valve 36, and a second flow passage 50 connected to the first flow passage 30, and having a check valve 54. The base part 22 has a third flow passage 70 which communicates with a connection region between the first flow passage 30 and the second flow passage 50, and also communicates with a mouthpiece 12. Both regions in which the second flow passage 50 and the third flow passage 70 are connected to each other are coaxially connected to each other, and the second flow passage 50 and the first flow passage 30 intersect with each other.SELECTED DRAWING: Figure 1

Description

本発明は、弁装置に関する。   The present invention relates to a valve device.

燃料電池で発電した電力により走行する車両には、前記燃料電池に用いられる燃料（例えば、水素ガス）を高圧状態で収容する高圧タンクが搭載されている。この高圧タンクの口金には、通常、ガスが流れる通路と、この通路に配置される各種バルブとを一体化した弁装置が取り付けられている（特許文献１）。   A vehicle that travels using electric power generated by a fuel cell is equipped with a high-pressure tank that accommodates fuel (for example, hydrogen gas) used in the fuel cell in a high-pressure state. A valve device in which a gas flow passage and various valves arranged in the passage are integrated is usually attached to the base of the high-pressure tank (Patent Document 1).

特許文献１の弁装置は、燃料電池等のガス消費機器側において流路の開閉を図る開閉弁を有する第１流路と、タンク内へのガス充填時にガス供給源からのガスの流れのみを許容する逆止弁を有する第２流路と、第２流路と第１流路との接続部位から延出されてタンクの口金に連通する第３流路とを有する。   The valve device of Patent Document 1 includes only a first flow path having an open / close valve that opens and closes a flow path on the side of a gas consuming device such as a fuel cell, and a gas flow from a gas supply source when the tank is filled with gas. A second flow path having an allowable check valve; and a third flow path extending from a connection portion between the second flow path and the first flow path and communicating with a base of the tank.

従来の弁装置の第１流路、第２流路及び第３流路の配置を、図４、図５（ａ）、図５（ｂ）に示す。
図４、図５（ａ）、図５（ｂ）に示すように、タンク１１０の口金１１２に取付け固定された弁装置１２０の基部１２２は、第１流路１３０、第２流路１５０、及び第３流路１７０を有する。 The arrangement of the first flow path, the second flow path, and the third flow path of the conventional valve device is shown in FIGS. 4, 5 (a), and 5 (b).
As shown in FIGS. 4, 5 (a), and 5 (b), the base 122 of the valve device 120 attached and fixed to the base 112 of the tank 110 includes a first flow path 130, a second flow path 150, and A third flow path 170 is provided.

第１流路１３０は、外端にアウトポート１３２を備え、内端１３３が第２流路１５０の内端に接続されている。アウトポート１３２には、図示しないガス供給系配管が接続されていて、アウトポート１３２からのガスはガス供給系配管を介して燃料電池に供給される。第１流路１３０には、電磁弁からなる開閉弁１３６が設けられていて、開閉弁１３６により、第１流路１３０の開閉を図る。また、図４、図５（ａ）、図５（ｂ）に示すように、第１流路１３０は圧抜き弁１３８を備え、開閉弁１３６が故障時には、手動操作により、タンク１１０のガス抜きが可能である。第２流路１５０は、第１流路１３０の軸心と同軸となるように配置されているとともに外端にインポート１５２を備えている。   The first flow path 130 includes an out port 132 at the outer end, and the inner end 133 is connected to the inner end of the second flow path 150. A gas supply system pipe (not shown) is connected to the outport 132, and gas from the outport 132 is supplied to the fuel cell via the gas supply system pipe. The first flow path 130 is provided with an open / close valve 136 made of an electromagnetic valve, and the first flow path 130 is opened and closed by the open / close valve 136. In addition, as shown in FIGS. 4, 5 (a), and 5 (b), the first flow path 130 is provided with a pressure release valve 138, and when the on-off valve 136 fails, the tank 110 is degassed manually. Is possible. The second flow path 150 is arranged so as to be coaxial with the axis of the first flow path 130 and has an import 152 at the outer end.

インポート１５２には、図示しないガス充填系配管が接続されている。また、第２流路１５０は、逆止弁１５４を有する。逆止弁１５４は、前記ガス充填系配管を介して図示しない水素ガスステーションから流入する水素ガスの充填方向への流れのみを許容する。第３流路１７０は、第１流路１３０と第２流路１５０との両内端の流路接続部位から延びて、タンク１１０の口金１１２内の空間と連通されている。また、基部１２２は、第２流路１５０、第３流路１７０に連通する連通路１８０を備えている。連通路１８０は、手動弁１８２と、溶栓弁１８４を備えている。手動弁１８２は、第２流路１５０と第１流路１３０との間を遮断して水素ガスのタンク１１０からの流出を防止し、溶栓弁１８４は所定温度以上で弁が開き、タンク内のガスの放出する。   A gas filling system pipe (not shown) is connected to the import 152. The second flow path 150 has a check valve 154. The check valve 154 allows only the flow of hydrogen gas flowing in from a hydrogen gas station (not shown) through the gas filling system pipe in the filling direction. The third flow path 170 extends from the flow path connection sites at both inner ends of the first flow path 130 and the second flow path 150 and communicates with the space in the base 112 of the tank 110. The base 122 includes a communication path 180 that communicates with the second flow path 150 and the third flow path 170. The communication path 180 includes a manual valve 182 and a plug valve 184. The manual valve 182 shuts off the second flow path 150 and the first flow path 130 to prevent hydrogen gas from flowing out of the tank 110, and the plug valve 184 opens at a predetermined temperature or higher, Out of gas.

特開２０１４−１５６８７２号公報JP 2014-156872 A

上記図示した従来の弁装置は、タンク１１０にガスを充填する場合、ガスの充填圧が高いことや、ガス流量が多いこと等の理由及び第２流路１５０と第１流路１３０とは同軸となるように配置されているため、充填ガスに水分等の異物が入ると、流路下流の開閉弁１３６に入り込む。例えば、水素ガスに水分が混入している場合には、開閉弁内に水分が浸入し、この水分が通過する水素ガスにより冷却されると、凍結により弁駆動の信頼度が低下する虞がある。また、水分以外の異物が開閉弁内に浸入（或いは侵入）した場合も同様である。   In the conventional valve device illustrated above, when the tank 110 is filled with gas, the reason that the gas filling pressure is high, the gas flow rate is large, and the like, and the second flow path 150 and the first flow path 130 are coaxial. Therefore, when foreign matter such as moisture enters the filling gas, it enters the on-off valve 136 downstream of the flow path. For example, when water is mixed in hydrogen gas, if water enters the on-off valve and is cooled by the hydrogen gas that passes through the water, the reliability of valve driving may be reduced due to freezing. . The same applies when foreign matter other than moisture enters (or enters) the on-off valve.

なお、特許文献１では、第２流路と第１流路とは同軸となるように配置されていて、かつ、第２流路と第１流路との間には、流路規制弁機構が設けられていて、水素ガスの充填時に第２流路の水素ガスを第３流路に誘導することにより、開閉弁内での水分の凍結を防止するようにしている。   In Patent Document 1, the second flow path and the first flow path are arranged so as to be coaxial, and a flow path regulating valve mechanism is provided between the second flow path and the first flow path. Is provided, and the hydrogen gas in the second flow path is guided to the third flow path at the time of filling with the hydrogen gas, thereby preventing water from being frozen in the on-off valve.

しかし、特許文献１では、第２流路と第１流路の間に流路規制弁機構を設ける必要があり、コストアップとなる。
本発明の目的は、簡単な構成により、ガスに混入した異物が開閉弁内に浸入（或いは侵入）するのを抑制できる弁装置を提供することにある。 However, in Patent Document 1, it is necessary to provide a flow path regulating valve mechanism between the second flow path and the first flow path, which increases costs.
The objective of this invention is providing the valve apparatus which can suppress that the foreign material mixed in gas penetrate | invades (or penetrate | invades) into an on-off valve by simple structure.

上記問題点を解決するために、本発明は、タンクの口金に装着される基部を有する弁装置であって、前記基部には、ガスの消費機器に至るガス配管に接続されるとともに、開閉弁を備える第１流路と、ガス供給源から供給されるガス配管及び前記第１流路に接続される第２流路と、前記第１流路と前記第２流路との接続部位に連通するとともに、前記口金に連通する第３流路を備えた弁装置において、前記第２流路と前記第３流路が相互に連結される両部位は同軸となっており、前記第２流路と前記第１流路との間には、前記ガス供給源からガスが供給される際に前記第２流路から前記第３流路へのガスの流れよりも、前記第２流路から前記第１流路へのガスの流れを阻害する阻害手段を有するものである。   In order to solve the above-described problems, the present invention is a valve device having a base portion attached to a base of a tank, wherein the base portion is connected to a gas pipe leading to a gas consuming device, and has an on-off valve. A first flow path comprising: a gas pipe supplied from a gas supply source; a second flow path connected to the first flow path; and a connection portion between the first flow path and the second flow path. In addition, in the valve device including the third flow path communicating with the base, both portions where the second flow path and the third flow path are connected to each other are coaxial, and the second flow path Between the second flow path and the first flow path, rather than the gas flow from the second flow path to the third flow path when the gas is supplied from the gas supply source. An inhibiting means for inhibiting the flow of gas to the first flow path is provided.

上記構成により、タンクにガスを充填する際、第２流路からのガスは、第２流路と前記第３流路が相互に連結される両部位が同軸となっていることにより、第３流路を介してタンクに充填される。一方、第２流路と前記第１流路との間には、前記ガス供給源からガスが供給される際に前記第２流路から前記第３流路へのガスの流れよりも、前記第２流路から前記第１流路へのガス流れを阻害する阻害手段を有することにより、第２流路から第１流路へはガスの流れは、第３流路への流れに比して抑制される。   With the above configuration, when the tank is filled with the gas, the gas from the second flow path has the third portion because the second flow path and the third flow path are connected to each other. The tank is filled through the flow path. On the other hand, between the second flow path and the first flow path, the gas flows from the second flow path to the third flow path when the gas is supplied from the gas supply source. By having an inhibiting means that inhibits the gas flow from the second flow path to the first flow path, the gas flow from the second flow path to the first flow path is compared to the flow to the third flow path. Is suppressed.

また、前記阻害手段は、前記第２流路と前記第１流路とが、相互に交差して連結された接続部位としてもよい。
上記構成により、第２流路と前記第１流路との接続は両者の軸心が相互に交差していることから、第２流路から第１流路へはガスの流れは、第３流路への流れに比して抑制される。 Moreover, the said inhibition means is good also as a connection site | part by which the said 2nd flow path and the said 1st flow path cross | intersected and were connected.
With the above configuration, the connection between the second flow path and the first flow path is such that the axes of the two intersect each other, so that the gas flow from the second flow path to the first flow path is third. It is suppressed compared to the flow to the flow path.

また、前記弁装置では、前記第２流路と前記第３流路は、それぞれ流路全体が同軸となっていてもよい。
第２流路と前記第３流路の全体が同軸に連結されていることにより、ガスの充填時の第２流路からのガスは、第２流路から第１流路へのガス流よりも流れが阻害されることなく第３流路を介してタンクに充填される。 In the valve device, the second flow path and the third flow path may be coaxial with each other.
Since the second flow path and the entire third flow path are coaxially connected, the gas from the second flow path at the time of gas filling is less than the gas flow from the second flow path to the first flow path. Also, the tank is filled through the third flow path without hindering the flow.

また、前記弁装置では、前記第３流路は、前記口金に連通する通路と、前記第２流路の接続端部と同軸であって、前記口金に連通する通路と交差する連結路を有していてもよい。   Further, in the valve device, the third flow path has a passage communicating with the base and a connection path that is coaxial with the connection end of the second flow path and intersects the passage communicating with the base. You may do it.

上記構成により、ガスの充填時の第２流路からのガスは、第２流路から第１流路へのガス流よりも流れが阻害されることなく第３流路の連結路及び口金に連通する通路を介してタンクに充填される。   With the above configuration, the gas from the second flow path at the time of gas filling does not interfere with the flow of the gas from the second flow path to the first flow path, and is connected to the connection path and the base of the third flow path. The tank is filled through a communicating passage.

本発明によれば、簡単な構成により、ガスに混入した異物が開閉弁内に浸入（或いは侵入）するのを抑制できる効果を奏する。   According to the present invention, it is possible to suppress the foreign matter mixed in the gas from entering (or entering) the on-off valve with a simple configuration.

本発明の第１実施形態の弁装置の概略斜視図。The schematic perspective view of the valve apparatus of 1st Embodiment of this invention. （ａ）は弁装置の図２（ｂ）のＢ−Ｂ線断面図、（ｂ）は弁装置の図２（ａ）のＡ−Ａ線断面図。(A) is the BB sectional drawing of the valve apparatus of FIG.2 (b), (b) is the sectional view on the AA line of FIG.2 (a) of the valve apparatus. 第２実施形態の弁装置の断面図。Sectional drawing of the valve apparatus of 2nd Embodiment. 従来の弁装置の概略斜視図。The schematic perspective view of the conventional valve apparatus. （ａ）は従来の弁装置の図５（ｂ）のＤ−Ｄ線断面図、（ｂ）は弁装置の図５（ａ）のＣ−Ｃ線断面図。(A) is the DD sectional view taken on the line of FIG.5 (b) of the conventional valve apparatus, (b) is CC sectional view taken on the line of FIG.5 (a) of a valve apparatus.

以下、本発明の弁装置を具体化した一実施形態を、図１及び図２（ａ）、図２（ｂ）を参照して説明する。本実施形態の弁装置は、水素ガスの消費機器としての燃料電池で発電した電力により走行する車両に搭載されたタンク（高圧タンク）に装着される。   Hereinafter, an embodiment in which the valve device of the present invention is embodied will be described with reference to FIGS. 1, 2 (a), and 2 (b). The valve device of the present embodiment is attached to a tank (high pressure tank) mounted on a vehicle that travels using electric power generated by a fuel cell as a hydrogen gas consuming device.

図１、図２（ａ）、図２（ｂ）に示すように、弁装置２０の基部２２は、タンク１０の口金１２に取付け固定されており、第１流路３０、第２流路５０、及び第３流路７０を有する。第１流路３０は、外端にアウトポート３２を備え、内端３３は第２流路５０の内端に接続されている。アウトポート３２には、図示しないガス供給系配管が接続されていて、アウトポート３２からの水素ガスは、ガス配管としてのガス供給系配管を介して燃料電池に供給される。   As shown in FIGS. 1, 2 (a), and 2 (b), the base portion 22 of the valve device 20 is attached and fixed to the base 12 of the tank 10, and the first flow path 30 and the second flow path 50. And a third flow path 70. The first flow path 30 includes an out port 32 at the outer end, and the inner end 33 is connected to the inner end of the second flow path 50. A gas supply system pipe (not shown) is connected to the outport 32, and hydrogen gas from the outport 32 is supplied to the fuel cell via a gas supply system pipe as a gas pipe.

第１流路３０には、電磁弁からなる開閉弁３６が設けられていて、開閉弁３６により、第１流路３０の開閉を図る。また、図１、図２（ａ）、図２（ｂ）に示すように、第１流路３０は圧抜き弁３８を備え、開閉弁３６が故障時には、手動操作により、タンク１０のガス抜きが可能となっている。   The first flow path 30 is provided with an open / close valve 36 made of an electromagnetic valve, and the open / close valve 36 opens and closes the first flow path 30. As shown in FIGS. 1, 2 (a), and 2 (b), the first flow path 30 is provided with a pressure relief valve 38, and when the on-off valve 36 is out of order, the tank 10 is degassed manually. Is possible.

図１、図２（ｂ）に示すように第２流路５０は、全体が直線状に延出されているとともに、第１流路３０の内端３３の軸心とは直交するように配置されている。また、第２流路５０の外端にインポート５２を備えており、該インポート５２には、図示しないガス充填系配管が接続されている。   As shown in FIGS. 1 and 2B, the second flow path 50 is entirely extended in a straight line and is arranged so as to be orthogonal to the axis of the inner end 33 of the first flow path 30. Has been. Further, an import 52 is provided at the outer end of the second flow path 50, and a gas filling system pipe (not shown) is connected to the import 52.

また、第２流路５０は、逆止弁５４を有する。逆止弁５４は、前記ガス充填系配管を介して図示しないガス供給源としての水素ガスステーションから流入する水素ガスの充填方向への流れのみを許容する。   The second flow path 50 has a check valve 54. The check valve 54 allows only the flow of hydrogen gas flowing in from a hydrogen gas station (not shown) as a gas supply source (not shown) through the gas filling system pipe in the filling direction.

第３流路７０は、第２流路５０の第１流路３０との接続部位において、第２流路５０と同軸となるように連結されている。すなわち、前記接続部位を境に、インポート５２側が第２流路５０、口金１２側が第３流路７０となっている。   The third flow path 70 is connected so as to be coaxial with the second flow path 50 at a connection site between the second flow path 50 and the first flow path 30. That is, the second flow path 50 is on the import 52 side and the third flow path 70 is on the base 12 side, with the connection portion as a boundary.

本実施形態では、第３流路７０の流路全体が、第２流路５０の流路全体と同軸となるように配置され、タンク１０の口金１２内の空間と連通されている。一方、前記第２流路５０と第１流路３０の内端とは相互に交差して連結されている。交差角は、本実施形態で直角としているが、交差角は限定するものではなく、斜状に交差していてもよい。本実施形態では、第２流路５０と第１流路３０とが相互に交差して連結された接続部位として、阻害手段を構成している。   In the present embodiment, the entire flow path of the third flow path 70 is disposed so as to be coaxial with the entire flow path of the second flow path 50, and communicates with the space in the base 12 of the tank 10. Meanwhile, the second flow path 50 and the inner end of the first flow path 30 are connected so as to cross each other. The crossing angle is a right angle in the present embodiment, but the crossing angle is not limited, and may cross in a diagonal manner. In the present embodiment, the inhibiting means is configured as a connection portion where the second flow path 50 and the first flow path 30 are connected to cross each other.

また、図２（ａ）に示すように、基部２２は、第１流路３０の内端３３に連通する連通路８０を備えている。図１、図２（ａ）に示すように、連通路８０には、手動弁８２と、溶栓弁８４を備えている。   As shown in FIG. 2A, the base portion 22 includes a communication path 80 that communicates with the inner end 33 of the first flow path 30. As shown in FIGS. 1 and 2A, the communication passage 80 includes a manual valve 82 and a fusing valve 84.

手動弁８２は、非メンテンナンス時には、手動により開弁された状態を維持し、メンテナンス時においては手動により閉弁されて、第１流路３０を遮断して水素ガスのタンク１０からの流出を防止する。溶栓弁８４は、所定温度以上で弁が開き、タンク１０内のガスの放出が可能となっている。   The manual valve 82 maintains a manually opened state during non-maintenance, and is manually closed during maintenance to block the first flow path 30 to prevent hydrogen gas from flowing out of the tank 10. To do. The fusing valve 84 opens at a predetermined temperature or higher so that gas in the tank 10 can be released.

（実施形態の作用）
上記のように構成された弁装置２０の作用を説明する。
タンク１０に水素ガスを充填する場合、手動弁８２を開弁し、かつ、開閉弁３６を閉弁して第１流路３０を遮断しておく。この状態で、インポート５２から水素ガスをタンク１０内に充填する。第３流路７０が第２流路５０と同軸に配置されているため、インポート５２及び逆止弁５４を介して流れる水素ガスは、第２流路５０及び第３流路７０を、第１流路３０に比して円滑に流れてタンク１０に流入する。すなわち、水素ガスに含まれている水分等の異物が含まれていても、水分等の異物はタンク１０内に水素ガスとともに導かれる。一方、第１流路３０は、その内端が、第２流路５０に対して直交して配置されているため、第２流路５０を流れる水素ガスに含まれる水分等の異物は、開閉弁３６側に達しがたくできる。すなわち、開閉弁３６に浸入（或いは侵入）しにくくなる。この結果、本実施形態では、水素ガスに混入した異物が開閉弁内に浸入（或いは侵入）するのを抑制できる。 (Operation of the embodiment)
The operation of the valve device 20 configured as described above will be described.
When the tank 10 is filled with hydrogen gas, the manual valve 82 is opened and the on-off valve 36 is closed to shut off the first flow path 30. In this state, hydrogen gas is filled into the tank 10 from the import 52. Since the third flow path 70 is disposed coaxially with the second flow path 50, the hydrogen gas flowing through the import 52 and the check valve 54 flows through the second flow path 50 and the third flow path 70 to the first flow path. It flows more smoothly than the flow path 30 and flows into the tank 10. That is, even if foreign matter such as moisture contained in hydrogen gas is contained, the foreign matter such as moisture is introduced into the tank 10 together with the hydrogen gas. On the other hand, since the inner end of the first flow path 30 is arranged orthogonal to the second flow path 50, foreign matters such as moisture contained in the hydrogen gas flowing through the second flow path 50 are opened and closed. It is difficult to reach the valve 36 side. That is, it becomes difficult to enter (or enter) the on-off valve 36. As a result, in this embodiment, it is possible to suppress foreign matters mixed in the hydrogen gas from entering (or entering) the on-off valve.

なお、タンク１０から図示しない燃料電池への供給は、開閉弁３６を開弁することによって行われる。この場合、第２流路５０側では、逆止弁５４があるため、逆止弁５４からインポート５２側へ水素ガスが流れることはない。   The supply from the tank 10 to a fuel cell (not shown) is performed by opening the on-off valve 36. In this case, since there is the check valve 54 on the second flow path 50 side, hydrogen gas does not flow from the check valve 54 to the import 52 side.

本実施形態では、下記の特徴を有する。
（１）本実施形態の弁装置２０では、基部２２には、燃料電池（消費機器）に至るガス供給系配管（ガス配管）に接続されるとともに、開閉弁３６を備える第１流路３０を備えている。また、基部２２は、水素ガスステーション（ガス供給源）から供給されるガス充填系配管（ガス配管）及び第１流路３０に接続される第２流路５０を有している。また、基部２２は、第１流路３０と第２流路５０との接続部位に連通するとともに、口金１２に連通する第３流路７０を備えている。そして、第２流路５０と第３流路７０が相互に連結される両部位は同軸となっている。第２流路５０と第１流路３０との間は、ガス供給源からガスが供給される際に第２流路５０から第３流路７０へのガスの流れよりも、第２流路５０から第１流路３０へのガスの流れを阻害する阻害手段として、第２流路５０と第１流路３０とを交差させて連結している。この結果、本実施形態によれば、簡単な構成により、ガスに混入した異物が開閉弁内に浸入するのを抑制でき、弁装置の製品品質の向上を図ることができる。また、ガスステーション（本実施形態では、水素ガスステーション）に対するロバスト性が向上し、弁装置の信頼度を向上することができる。 This embodiment has the following features.
(1) In the valve device 20 of the present embodiment, the base 22 includes a first flow path 30 that is connected to a gas supply system pipe (gas pipe) leading to a fuel cell (consumed equipment) and includes an on-off valve 36. I have. The base 22 has a gas filling system pipe (gas pipe) supplied from a hydrogen gas station (gas supply source) and a second flow path 50 connected to the first flow path 30. The base 22 includes a third flow path 70 that communicates with a connection portion between the first flow path 30 and the second flow path 50 and communicates with the base 12. Both portions where the second flow path 50 and the third flow path 70 are connected to each other are coaxial. Between the second flow path 50 and the first flow path 30, the second flow path rather than the gas flow from the second flow path 50 to the third flow path 70 when the gas is supplied from the gas supply source. The second flow path 50 and the first flow path 30 are crossed and connected as an inhibiting means for inhibiting the flow of gas from 50 to the first flow path 30. As a result, according to the present embodiment, it is possible to suppress the entry of foreign matter mixed into the gas into the on-off valve with a simple configuration, and the product quality of the valve device can be improved. Moreover, the robustness with respect to a gas station (in this embodiment, a hydrogen gas station) improves, and the reliability of a valve apparatus can be improved.

（２）本実施形態の第２流路５０と第３流路７０は、それぞれ流路全体が同軸となっている。従って、第２流路５０、第３流路７０の一部同士が同軸となっている場合に比して、より簡単な構成により、ガスに混入した異物が開閉弁内に浸入（或いは侵入）するのを抑制できる。   (2) As for the 2nd flow path 50 and the 3rd flow path 70 of this embodiment, the whole flow path is respectively coaxial. Therefore, compared with the case where a part of the second flow path 50 and the third flow path 70 are coaxial with each other, the foreign matter mixed in the gas enters (or enters) the on-off valve with a simpler configuration. Can be suppressed.

（第２実施形態）
次に、第２実施形態の弁装置２０を図３を参照して説明する。なお、前記実施形態の弁装置と同一または相当する構成については同一符号を付して、その説明を省略し、異なる構成について説明する。 (Second Embodiment)
Next, the valve apparatus 20 of 2nd Embodiment is demonstrated with reference to FIG. In addition, the same code | symbol is attached | subjected about the structure which is the same as that of the valve apparatus of the said embodiment, or the description is abbreviate | omitted, and a different structure is demonstrated.

前記実施形態では、第２流路５０の全体流路と第３流路７０の全体流路を同軸に配置したが、本実施形態では、下記のように異なっている。第２流路５０はインポート５２を備える通路５０ａと、第１流路３０の内端３３に接続される通路５０ｂとを有しており、通路５０ａと通路５０ｂとは直交するようにして連結されている。   In the embodiment, the entire flow path of the second flow path 50 and the entire flow path of the third flow path 70 are arranged coaxially, but in the present embodiment, they are different as follows. The second flow path 50 has a passage 50a including the import 52 and a passage 50b connected to the inner end 33 of the first flow path 30, and the passage 50a and the passage 50b are connected so as to be orthogonal to each other. ing.

また、第３流路７０は、第２流路５０の通路５０ｂと同軸に配置された連結路７０ａと、口金１２に連通する通路７０ｂとを有し、連結路７０ａと通路７０ｂとは直交するように交差して連結されている。図３では、通路７０ｂは、紙面に直交状態で配置されている。第２流路５０の通路５０ｂと第３流路７０の連結路７０ａは、第２流路と前記第３流路が相互に連結される両部位に相当する。   The third flow path 70 includes a connection path 70a disposed coaxially with the path 50b of the second flow path 50 and a path 70b communicating with the base 12. The connection path 70a and the path 70b are orthogonal to each other. So that they are crossed and connected. In FIG. 3, the passage 70b is arranged in a state orthogonal to the paper surface. The passage 50b of the second flow path 50 and the connection path 70a of the third flow path 70 correspond to both portions where the second flow path and the third flow path are connected to each other.

本実施形態においても、インポート５２から水素ガスをタンク１０内に充填する場合、第３流路７０の連結路７０ａが第２流路５０の通路５０ｂと同軸に配置されている。このため、インポート５２及び逆止弁５４を介して流れる水素ガスは、第２流路５０の通路５０ｂ及び第３流路７０の連結路７０ａを、内端３３が交差して通路５０ｂに連通している第１流路３０に比して円滑に流れてタンク１０に流入する。また、水素ガスに含まれている水分等の異物が含まれていても、水分等の異物をタンク１０内に水素ガスとともに導くことができる。   Also in the present embodiment, when hydrogen gas is filled into the tank 10 from the import 52, the connection path 70a of the third flow path 70 is disposed coaxially with the path 50b of the second flow path 50. Therefore, the hydrogen gas flowing through the import 52 and the check valve 54 communicates with the passage 50b with the inner end 33 intersecting the passage 50b of the second passage 50 and the connection passage 70a of the third passage 70. It flows smoothly into the tank 10 as compared with the first flow path 30. Even if foreign matter such as moisture contained in hydrogen gas is contained, foreign matter such as moisture can be introduced into the tank 10 together with the hydrogen gas.

また、前記実施形態と同様に第１流路３０は、その内端が、第２流路５０に対して直交して配置されているため、第２流路５０を流れる水素ガスに含まれる水分等の異物は、開閉弁３６側に達しがたくでき、開閉弁３６に浸入（或いは侵入）しにくくなる。この結果、本実施形態でも、水素ガスに混入した異物が開閉弁内に浸入（或いは侵入）するのを抑制できる。   Similarly to the above embodiment, since the inner end of the first flow path 30 is arranged orthogonal to the second flow path 50, the moisture contained in the hydrogen gas flowing through the second flow path 50 Such foreign matter can hardly reach the on-off valve 36 side, and is difficult to enter (or enter) the on-off valve 36. As a result, even in this embodiment, it is possible to prevent foreign matters mixed in the hydrogen gas from entering (or entering) the on-off valve.

なお、本発明の実施形態は前記実施形態に限定されるものではなく、下記のように変更してもよい。
・各実施形態において、阻害手段は、第２流路５０と第１流路３０とを交差している構成としたが、阻害手段は、上記構成に限定するものではなく、オリフィス等を設けてもよい。 In addition, embodiment of this invention is not limited to the said embodiment, You may change as follows.
In each embodiment, the inhibition means is configured to intersect the second flow path 50 and the first flow path 30, but the inhibition means is not limited to the above configuration, and an orifice or the like is provided. Also good.

・各実施形態において、基部２２の外形形状については説明をしていないが、基部２２の外形形状は限定するものではなく、前記各種弁の収納及び配置に応じて、或いは、各種の流路の配置に応じた適宜の形状でよい。   -In each embodiment, although the external shape of the base part 22 is not demonstrated, the external shape of the base part 22 is not limited, According to accommodation and arrangement | positioning of the said various valves, or various flow paths. An appropriate shape according to the arrangement may be used.

・各実施形態において、逆止弁５４、手動弁８２、圧抜き弁３８、溶栓弁８４のうち、少なくともいずれか１つの弁を省略してもよい。
・水素ガス以外の他のガスが充填され、充填したガスを消費機器に排出するタンクに装着する弁装置に具体化してもよい。 In each embodiment, at least one of the check valve 54, the manual valve 82, the pressure relief valve 38, and the plug valve 84 may be omitted.
-You may materialize in the valve apparatus with which other gas other than hydrogen gas is filled, and it mounts | wears with the tank which discharges the filled gas to a consumer apparatus.

１０…タンク、１２…口金、２０…弁装置、２２…基部、
３０…第１流路、３２…アウトポート、３３…内端、
３６…開閉弁、３８…圧抜き弁、５０…第２流路、５０ａ、５０ｂ…通路、
５２…インポート、５４…逆止弁、
７０…第３流路、７０ａ…連結路、７０ｂ…通路、
８０…連通路、８２…手動弁、８４…溶栓弁。 10 ... tank, 12 ... base, 20 ... valve device, 22 ... base,
30 ... 1st flow path, 32 ... Out port, 33 ... Inner end,
36 ... Open / close valve, 38 ... Depressurization valve, 50 ... Second flow path, 50a, 50b ... Passage,
52 ... Import, 54 ... Check valve,
70 ... third flow path, 70a ... connection path, 70b ... passage,
80 ... Communication passage, 82 ... Manual valve, 84 ... Fusing valve.

Claims (4)

タンクの口金に装着される基部を有する弁装置であって、前記基部には、ガスの消費機器に至るガス配管に接続されるとともに、開閉弁を備える第１流路と、
ガス供給源から供給されるガス配管及び前記第１流路に接続される第２流路と、
前記第１流路と前記第２流路との接続部位に連通するとともに、前記口金に連通する第３流路を備えた弁装置において、
前記第２流路と前記第３流路が相互に連結される両部位は同軸となっており、
前記第２流路と前記第１流路との間には、前記ガス供給源からガスが供給される際に前記第２流路から前記第３流路へのガスの流れよりも、前記第２流路から前記第１流路へのガスの流れを阻害する阻害手段を有する弁装置。 A valve device having a base attached to a base of a tank, wherein the base is connected to a gas pipe leading to a gas consuming device, and has a first flow path including an on-off valve;
A gas pipe supplied from a gas supply source and a second flow path connected to the first flow path;
In the valve device including the third flow path communicating with the connection portion between the first flow path and the second flow path and communicating with the base,
Both portions where the second flow path and the third flow path are connected to each other are coaxial,
Between the second flow path and the first flow path, the gas flow from the second flow path to the third flow path when gas is supplied from the gas supply source is greater than the first flow path. A valve device having an inhibiting means for inhibiting a gas flow from two flow paths to the first flow path. 前記阻害手段は、前記第２流路と前記第１流路とが、相互に交差して連結された接続部位である請求項１に記載の弁装置。   2. The valve device according to claim 1, wherein the inhibition means is a connection portion in which the second flow path and the first flow path intersect and are connected to each other. 前記第２流路と前記第３流路は、それぞれ流路全体が同軸となっている請求項２に記載の弁装置。   The valve device according to claim 2, wherein the second flow path and the third flow path are coaxial with each other. 前記第３流路は、前記口金に連通する通路と、前記第２流路の接続端部と同軸であって、前記口金に連通する通路と交差する連結路を有する請求項２に記載の弁装置。   3. The valve according to claim 2, wherein the third flow path has a passage communicating with the base, and a connection path that is coaxial with a connection end of the second flow path and intersects the passage communicating with the base. apparatus.
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1136989A (en) * 1997-07-24 1999-02-09 Honda Motor Co Ltd Gas fuel piping device
JP2007106262A (en) * 2005-10-13 2007-04-26 Mazda Motor Corp Gaseous fuel tank structure for vehicle
JP2010188769A (en) * 2009-02-16 2010-09-02 Toyota Motor Corp Valve device of high pressure tank for vehicle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1136989A (en) * 1997-07-24 1999-02-09 Honda Motor Co Ltd Gas fuel piping device
JP2007106262A (en) * 2005-10-13 2007-04-26 Mazda Motor Corp Gaseous fuel tank structure for vehicle
JP2010188769A (en) * 2009-02-16 2010-09-02 Toyota Motor Corp Valve device of high pressure tank for vehicle

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