JP2014109350A - Gas charging device - Google Patents

Gas charging device Download PDF

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Publication number
JP2014109350A
JP2014109350A JP2012265125A JP2012265125A JP2014109350A JP 2014109350 A JP2014109350 A JP 2014109350A JP 2012265125 A JP2012265125 A JP 2012265125A JP 2012265125 A JP2012265125 A JP 2012265125A JP 2014109350 A JP2014109350 A JP 2014109350A
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Prior art keywords
gas
filling
hose
unit
charging
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JP5967439B2 (en
Inventor
Taku Kamikawachi
拓 上川内
Kiyoshi Kimura
潔 木村
Takeshi Ozeki
剛 大関
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Tatsuno Corp
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Tatsuno Corp
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Priority to KR1020130124388A priority patent/KR101548206B1/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
    • F17C5/002—Automated filling apparatus
    • F17C5/007—Automated filling apparatus for individual gas tanks or containers, e.g. in vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
    • F17C5/06—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with compressed gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0352—Pipes
    • F17C2205/0364—Pipes flexible or articulated, e.g. a hose
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0352—Pipes
    • F17C2205/0367—Arrangements in parallel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/01—Pure fluids
    • F17C2221/012—Hydrogen
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/03—Mixtures
    • F17C2221/032—Hydrocarbons
    • F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
    • F17C2225/01—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the phase
    • F17C2225/0107—Single phase
    • F17C2225/0123—Single phase gaseous, e.g. CNG, GNC
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
    • F17C2225/03—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the pressure level
    • F17C2225/036—Very high pressure, i.e. above 80 bars
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/03—Heat exchange with the fluid
    • F17C2227/0337—Heat exchange with the fluid by cooling
    • F17C2227/0341—Heat exchange with the fluid by cooling using another fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/03—Control means
    • F17C2250/032—Control means using computers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/03—Control means
    • F17C2250/036—Control means using alarms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0404—Parameters indicated or measured
    • F17C2250/043—Pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/03—Dealing with losses
    • F17C2260/035—Dealing with losses of fluid
    • F17C2260/038—Detecting leaked fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2265/00—Effects achieved by gas storage or gas handling
    • F17C2265/06—Fluid distribution
    • F17C2265/065—Fluid distribution for refueling vehicle fuel tanks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0134—Applications for fluid transport or storage placed above the ground
    • F17C2270/0139—Fuel stations
    • 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
    • Y02E60/32—Hydrogen storage

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a compact gas charging device which facilitates handling of a protector cover or the like for protecting a charging hose and a charging nozzle and permits quick charging of fuel gas.SOLUTION: A gas charging device 1 is integrally provided with: a main body unit 2 having a charging mechanism which conveys gas while measuring a flow rate of gas from a gas supply source; and a hose unit 3 having a charging hose 34 connected with a gas output pipeline of the charging mechanism and a charging nozzle 35 disposed on the top end of the charging hose. Further, a cooling unit 4 having gas pipeline cooling part 41 for cooling pipelines 71, 72 of gas introduced to the main body unit can be integrally provided. The charging hose and the charging nozzle can be covered with doors 37, 38 freely openable and closable and the freely openable and closable doors can be housed within a hose unit.

Description

本発明は、ＣＮＧ、水素ガス等を燃料とするＣＮＧ自動車、燃料電池自動車、水素自動車等の車両の燃料タンクにガスを充填するガス充填装置に関する。   The present invention relates to a gas filling device that fills a fuel tank of a vehicle such as a CNG vehicle, a fuel cell vehicle, and a hydrogen vehicle using CNG, hydrogen gas, or the like as fuel.

近年の環境問題に対応する車両として、ＣＮＧ、水素ガス等を燃料とするＣＮＧ自動車、燃料電池自動車、水素自動車等の開発が活発に行われている。これら水素ガス自動車等は、窒素酸化物、硫黄酸化物、二酸化炭素等の排出量が少ないという特徴がある。   Development of CNG automobiles, fuel cell automobiles, hydrogen automobiles, and the like that use CNG, hydrogen gas, or the like as fuel is being actively carried out as vehicles that respond to recent environmental problems. These hydrogen gas vehicles and the like are characterized by low emissions of nitrogen oxides, sulfur oxides, carbon dioxide, and the like.

上記水素ガス自動車等に燃料ガスを充填する装置として、図５に示すように、ガス供給源からガスの流量を計測しながらガスを搬送する充填機構を備えた本体ユニット８２と、充填機構に接続される充填ホース８３と、充填ホース８３の先端に固着される充填ノズル８４と、充填ホース８３及び充填ノズル８４を保護する保護カバー８５、８６とから構成されるガス充填装置が存在する。   As shown in FIG. 5, as a device for filling the hydrogen gas vehicle or the like with a fuel gas, a main body unit 82 having a filling mechanism for conveying gas while measuring a gas flow rate from a gas supply source is connected to the filling mechanism. There is a gas filling device that includes a filling hose 83 that is formed, a filling nozzle 84 that is fixed to the tip of the filling hose 83, and protective covers 85 and 86 that protect the filling hose 83 and the filling nozzle 84.

このガス充填装置８１は、いたずら等を防止するため、充填ホース８３及び充填ノズル８４を、図６に示すように、取外し式の保護カバー８５、８６で覆うことができると共に、保護カバー８５、８６を南京錠等を用いて本体ユニット８２に施錠して装着することもできるため防犯性に優れる。   The gas filling device 81 can cover the filling hose 83 and the filling nozzle 84 with detachable protective covers 85 and 86 as shown in FIG. Can be locked and attached to the main body unit 82 using a padlock or the like.

また、水素ガス自動車等では、ガスを燃料タンクに高圧で充填することが要求され、ガスを燃料タンクに充填する際には断熱圧縮による温度上昇が起きる。そこで、特許文献１には、ガス充填所に熱交換器やクーラ等のガス冷却設備を設置し、このガス冷却設備を用いて燃料タンクに充填されるガスを冷却することにより、車両の燃料タンク内のガス温度の上昇を抑制する技術が提案されている。   Further, in a hydrogen gas automobile or the like, it is required to fill the fuel tank with a high pressure, and when the gas is filled into the fuel tank, a temperature rise occurs due to adiabatic compression. Therefore, in Patent Document 1, a gas cooling facility such as a heat exchanger or a cooler is installed in a gas filling station, and the fuel tank of the vehicle is cooled by cooling the gas filled in the fuel tank using the gas cooling facility. A technique for suppressing an increase in the gas temperature has been proposed.

特開２００５−８３５６７号公報JP 2005-83567 A

しかし、上記図５及び図６に示したガス充填装置８１は、ガス充填装置８１を使用する場合には、保護カバー８５、８６を取り外す必要があるが、取り外した保護カバー８５、８６の保管場所を確保する必要があると共に、保管場所への運搬も手間が掛かるため面倒であるという問題があった。   However, in the gas filling device 81 shown in FIGS. 5 and 6, when the gas filling device 81 is used, it is necessary to remove the protective covers 85 and 86, but the storage place of the removed protective covers 85 and 86. In addition, there is a problem that it is troublesome because it takes time and labor to transport to the storage location.

一方、上記特許文献１で提案したガス充填装置は、水素ガスを燃料タンクに充填する際にガス温度の上昇を抑制し、結露も防止できるため優れたガス充填装置であるが、充填時間３〜５分という短時間でのガス充填が要求され、これに合わせた冷却能力を備えるためには、広い設置スペースを要するという問題がある。   On the other hand, the gas filling device proposed in Patent Document 1 is an excellent gas filling device because it suppresses an increase in gas temperature when hydrogen gas is filled in a fuel tank and can prevent condensation. Gas filling in a short time of 5 minutes is required, and there is a problem that a large installation space is required in order to provide a cooling capacity corresponding to this.

そこで、本発明は、上記従来の技術における問題点に鑑みてなされたものであって、充填ホースや充填ノズルを保護する保護カバー等の取り扱いが容易で、かつガスの急速充填を可能とし、コンパクトなガス充填装置を提供することを目的とする。   Therefore, the present invention has been made in view of the above problems in the prior art, and is easy to handle, such as a protective cover for protecting a filling hose and a filling nozzle, and enables quick filling of gas, and is compact. An object of the present invention is to provide a gas filling device.

上記目的を達成するため、本発明は、ガス充填装置であって、ガスの供給源からガスの流量を計測しながら該ガスを搬送する充填機構を有する本体ユニットと、前記充填機構のガス出口配管に接続される充填ホースと、該充填ホースの先端に備えられる充填ノズルとを有するホースユニットとを一体に備えることを特徴とする。   In order to achieve the above object, the present invention is a gas filling device comprising a main body unit having a filling mechanism for conveying a gas while measuring the flow rate of the gas from a gas supply source, and a gas outlet pipe of the filling mechanism. And a hose unit having a filling hose connected to the hose and a filling nozzle provided at the tip of the filling hose.

本発明に係るガス充填装置によれば、本体ユニットとホースユニットとを一体に備えるため、装置全体がコンパクトになり、省スペース化を実現することができると共に、設置の自由度を向上させることができる。   According to the gas filling device according to the present invention, since the main body unit and the hose unit are integrally provided, the entire device becomes compact, space saving can be realized, and the degree of freedom in installation can be improved. it can.

上記ガス充填装置に、さらに、前記本体ユニットに導入されるガスの配管を冷却するガス管路冷却部を有する冷却ユニットを一体に備えるように構成することができ、装置全体がさらにコンパクトになり、省スペース化、設置の自由度をさらに向上させることができる。また、ガス管路冷却部で本体ユニットに導入されるガスの配管を冷却することで、ガスを車両の燃料タンク等に充填する際にガス温度の上昇を抑制し、ガスの急速充填を行うことができる。   The gas filling device can be further configured to be integrally provided with a cooling unit having a gas pipe cooling part for cooling the piping of the gas introduced into the main body unit, and the entire device is further compacted, Space-saving and installation flexibility can be further improved. Also, by cooling the gas piping introduced into the main unit in the gas pipeline cooling section, the gas temperature rise is suppressed when filling the vehicle fuel tank, etc., and the gas is rapidly filled. Can do.

前記ガス管路冷却部に冷媒を供給する冷媒冷却部を、前記冷却ユニットの外部に備えることができる。これによって、冷媒冷却部が充填作業の妨げになることなどを防止することができる。   A refrigerant cooling unit that supplies a refrigerant to the gas pipeline cooling unit can be provided outside the cooling unit. As a result, it is possible to prevent the refrigerant cooling unit from interfering with the filling operation.

前記充填ホース及び充填ノズルを開閉自在な扉によって覆うことができ、ガス充填装置を使用していないときにいたずら等を防止したり、ガス充填所が閉店している際の防犯性を高めることができる。   The filling hose and the filling nozzle can be covered with an openable / closable door to prevent mischief and the like when the gas filling device is not used, and to improve crime prevention when the gas filling station is closed. it can.

また、前記開閉自在な扉を前記ホースユニット内に収納可能とし、ガス充填所が営業中の際に扉が充填作業の妨げになることを回避することができる。   Further, the openable / closable door can be accommodated in the hose unit, and the door can be prevented from obstructing a filling operation when the gas filling station is in operation.

さらに、前記ホースユニットの床面に対して垂直方向に延設され、前記充填ホースを保護しながら引き出すためのガイド部材を備えることができ、充填ホースの引き出し時における充填ホースやホースユニット等の損傷を防止することができる。   Furthermore, it is possible to provide a guide member that extends in a direction perpendicular to the floor surface of the hose unit and that pulls out while protecting the filling hose. Damage to the filling hose, hose unit, etc. when the filling hose is pulled out Can be prevented.

また、上記ガス充填装置に、前記充填機構のガス出口配管に前記充填ホースを接続する安全継手と、該安全継手から下方に延設されるホースカバーとを設け、該ホースカバーによって、前記安全継手に接続された前記充填ホースの該安全継手の直下に位置する部分を覆うことができる。これによって、充填ホースに何らかの理由で大きな引張荷重が加わった場合に、このホースカバーによって安全継手を常に充填ホースによって垂直方向に引くことが可能となり、所定の垂直方向への引張荷重で離脱するように設計されている安全継手の作動性能を確保することができる。   The gas filling device is provided with a safety joint for connecting the filling hose to a gas outlet pipe of the filling mechanism, and a hose cover extending downward from the safety joint, and the safety joint is provided by the hose cover. A portion of the filling hose connected to the right side of the safety joint can be covered. As a result, when a large tensile load is applied to the filling hose for any reason, the hose cover allows the safety joint to be pulled vertically by the filling hose at all times, so that it can be detached with a predetermined vertical tensile load. Therefore, it is possible to ensure the operating performance of the safety joint designed in the above.

以上のように、本発明によれば、充填ホースや充填ノズルを保護する保護カバー等の取り扱いが容易で、かつ燃料ガスの急速充填が可能でコンパクトなガス充填装置を提供することが可能となる。   As described above, according to the present invention, it is possible to provide a compact gas filling device that is easy to handle, such as a protective cover for protecting a filling hose and a filling nozzle, and that can be rapidly filled with fuel gas. .

本発明に係るガス充填装置の第１の実施形態を示す全体構成図である。It is a whole lineblock diagram showing a 1st embodiment of a gas filling device concerning the present invention. 図１のガス充填装置の一部破断斜視図である。It is a partially broken perspective view of the gas filling apparatus of FIG. 図１のガス充填装置の斜視図である。It is a perspective view of the gas filling apparatus of FIG. 本発明に係るガス充填装置の第２の実施形態を示す斜視図である。It is a perspective view which shows 2nd Embodiment of the gas filling apparatus which concerns on this invention. 従来のガス充填装置の保護カバーを外した状態を示す斜視図である。It is a perspective view which shows the state which removed the protective cover of the conventional gas filling apparatus. 図５のガス充填装置の保護カバーを装着した状態を示す斜視図である。It is a perspective view which shows the state which mounted | wore the protective cover of the gas filling apparatus of FIG.

次に、本発明を実施するための形態について、図面を参照しながら詳細に説明する。尚、以下の説明においては、本発明に係るガス充填装置が水素ガス充填装置であって、水素ガス自動車に水素ガスを供給する場合を例にとって説明する。   Next, an embodiment for carrying out the present invention will be described in detail with reference to the drawings. In the following description, a case where the gas filling device according to the present invention is a hydrogen gas filling device and hydrogen gas is supplied to a hydrogen gas vehicle will be described as an example.

図１乃至図３は、本発明に係る水素ガス充填装置の第１の実施形態を示し、この水素ガス充填装置１は、本体ユニット２と、ホースユニット３と、冷却ユニット４と、冷媒冷却部５とからなり、本体ユニット２、ホースユニット３及び冷却ユニット４とが一体に構成され、冷媒冷却部５は、冷媒搬送管６、７を介して冷却ユニット４に接続される。   1 to 3 show a first embodiment of a hydrogen gas filling device according to the present invention. This hydrogen gas filling device 1 includes a main body unit 2, a hose unit 3, a cooling unit 4, and a refrigerant cooling unit. 5, the main body unit 2, the hose unit 3, and the cooling unit 4 are integrally configured, and the refrigerant cooling unit 5 is connected to the cooling unit 4 via the refrigerant transfer pipes 6 and 7.

本体ユニット２は、水素ガス供給源としての蓄圧器（不図示）から水素ガス（以下、「ガス」という）の流量を計測しながらガスを搬送する充填機構を有する充填部２ａと、充填部２ａの天井部に載置され、ガスの充填量等を表示する表示部２ｂとで構成される。   The main unit 2 includes a filling unit 2a having a filling mechanism for conveying gas while measuring the flow rate of hydrogen gas (hereinafter referred to as “gas”) from a pressure accumulator (not shown) as a hydrogen gas supply source, and a filling unit 2a. And a display unit 2b for displaying the gas filling amount and the like.

充填部２ａは、蓄圧器からのガス搬送管７１、７２を流れるガスの流量を調整する流量調整弁２５、ガスを遮断する遮断弁２６、ガスの流量を計測する流量計２７等を備える。   The filling unit 2a includes a flow rate adjustment valve 25 that adjusts the flow rate of gas flowing through the gas transport pipes 71 and 72 from the pressure accumulator, a shutoff valve 26 that shuts off the gas, a flow meter 27 that measures the flow rate of gas, and the like.

表示部２ｂは、ガス搬送管７１、７２を流れるガスの流量（充填ノズル３５から水素ガス自動車（以下、「自動車」という）の燃料タンクへのガス供給量）等を表示する表示器２１と、ガス漏れを検知するガス検知器２８と、ガス検知器２８でガス漏れを検知した際に警報を発する報知器２９と、装置全体を制御する制御装置２２とを備える。   The display unit 2b displays the flow rate of the gas flowing through the gas transfer pipes 71 and 72 (the amount of gas supplied from the filling nozzle 35 to the fuel tank of a hydrogen gas automobile (hereinafter referred to as “automobile”)) and the like, A gas detector 28 that detects a gas leak, a notification device 29 that issues an alarm when the gas detector 28 detects a gas leak, and a control device 22 that controls the entire apparatus.

制御装置２２には、各種の操作スイッチが接続されると共に、後述する充填ノズル３５のノズル掛け３５ａに設けられたノズルスイッチ（不図示）からのＯＮ／ＯＦＦ信号や、流量計（不図示）のパルス発信器からの信号が各々入力され、流量調整弁２５〜流量計２７等へ制御信号が出力される。   Various control switches are connected to the control device 22, and an ON / OFF signal from a nozzle switch (not shown) provided on a nozzle hook 35a of a filling nozzle 35, which will be described later, and a flow meter (not shown). Each signal from the pulse transmitter is input, and a control signal is output to the flow rate adjustment valve 25 to the flow meter 27 and the like.

ホースユニット３は、充填部２ａ内のガス搬送管７２の出口配管（充填機構のガス出口配管）７２ａに接続される充填ホース３４と、充填ホース３４の先端に備えられる充填ノズル３５と、充填ホース３４を保護しながら充填ホース３４を引き出すためのガイド部材３３、３６と、蓄圧器からのガス搬送管７１、７２の各々の内部の圧力を検出する圧力計２３、２４と、ガス漏れを検知するガス検知器３９と、自動車へのガスの供給を開始するスタートスイッチ５１と、ガスの供給を停止する停止スイッチ５２と、異常が発生した場合等にガスの供給を停止する緊急停止スイッチ５３等を備える。   The hose unit 3 includes a filling hose 34 connected to an outlet pipe (gas outlet pipe of a filling mechanism) 72a of a gas transport pipe 72 in the filling unit 2a, a filling nozzle 35 provided at the tip of the filling hose 34, and a filling hose. Guide members 33 and 36 for pulling out the filling hose 34 while protecting 34, pressure gauges 23 and 24 for detecting the pressure inside each of the gas transport pipes 71 and 72 from the pressure accumulator, and detecting a gas leak A gas detector 39, a start switch 51 for starting the supply of gas to the automobile, a stop switch 52 for stopping the supply of gas, an emergency stop switch 53 for stopping the supply of gas when an abnormality occurs, etc. Prepare.

充填ホース３４は、図２に示すように、安全継手３１を介してガス搬送管７２の出口配管７２ａに接続され、安全継手３１からホースユニット３の底面に向かって延設された後、底面付近から上方へ向かって折り返し、先端に充填ノズル３５が装着される。充填ノズル３５は、ノズル掛け３５ａに掛けられる。安全継手３１の下方には、安全継手３１の直下に存在する充填ホース３４を覆うための筒状のホースカバー３２が設けられる。   As shown in FIG. 2, the filling hose 34 is connected to the outlet pipe 72 a of the gas transport pipe 72 through the safety joint 31 and extends from the safety joint 31 toward the bottom face of the hose unit 3, and then near the bottom face. The filling nozzle 35 is attached to the tip end. The filling nozzle 35 is hung on the nozzle hook 35a. Below the safety joint 31, a cylindrical hose cover 32 is provided to cover the filling hose 34 that exists immediately below the safety joint 31.

ガイド部材３３、３６は、ホースユニット３の床面に垂直方向に立設され、ガイド部材３６は、最下部３６ａが奥に向かって凹み、傾斜部３６ｂを介して上方へ繋がっている。   The guide members 33 and 36 are erected in a vertical direction on the floor surface of the hose unit 3, and the guide member 36 has a lowermost portion 36a that is recessed toward the back, and is connected upward via an inclined portion 36b.

充填ホース３４及び充填ノズル３５は、図３に示すように、開閉自在な扉３７、３８によって覆われ、これらの扉３７、３８は、ホースユニット３の内部に収納可能に構成される。扉３７には開閉用の取っ手３７ａが設けられる。   As shown in FIG. 3, the filling hose 34 and the filling nozzle 35 are covered with doors 37 and 38 that can be freely opened and closed, and these doors 37 and 38 are configured to be housed inside the hose unit 3. The door 37 is provided with a handle 37a for opening and closing.

安全継手３１は、充填ホースに所定の引張荷重が加わった場合に充填ホースが離脱し、充填ホースやその他の部材の破損等を防止するために設けられる。上述のように、安全継手３１の下方に設けた筒状のホースカバー３２によって安全継手３１の直下に存在する充填ホース３４を覆うことで、ホースカバー３２によって充填ホース３４を垂直方向に案内している。そのため、充填ホース３４に大きな荷重が加わった場合、安全継手３１を常に充填ホース３４によって垂直方向に引くことが可能となる。安全接手３１は、所定の垂直方向への引張荷重が加わると離脱するように設計されているため、設計通りの引張荷重で安全継手３１を離脱させることができ、装置の安全性を確保することができる。   The safety joint 31 is provided in order to prevent the filling hose from being detached when a predetermined tensile load is applied to the filling hose, and damage to the filling hose and other members. As described above, the hose cover 32 guides the filling hose 34 in the vertical direction by covering the filling hose 34 directly below the safety joint 31 with the cylindrical hose cover 32 provided below the safety joint 31. Yes. Therefore, when a large load is applied to the filling hose 34, the safety joint 31 can always be pulled vertically by the filling hose 34. Since the safety joint 31 is designed to be detached when a predetermined vertical tensile load is applied, the safety joint 31 can be detached with the designed tensile load to ensure the safety of the device. Can do.

冷却ユニット４は、本体ユニット２からのガス搬送管７１を冷却するガス管路冷却部４１を備え、ガス管路冷却部４１は、冷媒冷却部５から冷媒搬送管６、７を介して供給された冷媒によってガス搬送管７１を流れるガスを冷却する。冷媒には、液体窒素、フロン、二酸化炭素等を使用することができ、この冷媒を冷媒冷却部５で冷却して循環使用する。   The cooling unit 4 includes a gas pipe cooling unit 41 that cools the gas transfer pipe 71 from the main body unit 2, and the gas pipe cooling unit 41 is supplied from the refrigerant cooling unit 5 through the refrigerant transfer pipes 6 and 7. The gas flowing through the gas transport pipe 71 is cooled by the refrigerant. As the refrigerant, liquid nitrogen, chlorofluorocarbon, carbon dioxide or the like can be used, and the refrigerant is cooled by the refrigerant cooling unit 5 and used in a circulating manner.

本体ユニット２、ホースユニット３及び冷却ユニット４の下部には、各々のユニット内でのガスの滞留を防止するための空気を導入する空気導入口６１が設けられると共に、ホースユニット３の下部にルーバー６２が設けられ、ホースユニット３及び表示部２ｂの上部には、各々のユニットに蓄積されたガスを系外に排出するためルーバー６３、６４が設けられる。   At the lower part of the main unit 2, the hose unit 3, and the cooling unit 4, an air introduction port 61 for introducing air for preventing gas retention in each unit is provided, and a louver is provided at the lower part of the hose unit 3. 62, and louvers 63 and 64 are provided above the hose unit 3 and the display unit 2b in order to discharge the gas accumulated in each unit out of the system.

次に、上記構成を有する水素ガス充填装置１の動作について、図１乃至図３を参照しながら説明する。   Next, the operation of the hydrogen gas filling apparatus 1 having the above configuration will be described with reference to FIGS.

水素ガス充填装置１が設置されているガス充填所が営業を開始すると、図３に示す状態から扉３７、３８を開け、図２の状態とする。開けた扉３７、３８は、ホースユニット３の内部に収納することで、営業中は、扉３７、３８が充填作業の妨げにならない。尚、図２では、ホースユニット３の上部の安全継手３１、ホースカバー３２が収納された部分も開いているが、この部分は営業中でも閉じたままである。   When the gas filling station where the hydrogen gas filling apparatus 1 is installed starts operation, the doors 37 and 38 are opened from the state shown in FIG. 3 to the state shown in FIG. The opened doors 37 and 38 are accommodated in the hose unit 3 so that the doors 37 and 38 do not hinder the filling operation during business. In FIG. 2, the upper part of the hose unit 3 in which the safety joint 31 and the hose cover 32 are accommodated is also open, but this part remains closed even during business.

自動車にガスを供給する際には、充填ノズル３５をノズル掛け３５ａから外すと、ノズル掛け３５ａに設けられているノズルスイッチからＯＮ信号が制御装置２２に入力し、制御装置２２は表示器２１に表示されていた前回の充填量を帰零し、遮断弁２６を開く。   When supplying gas to the automobile, if the filling nozzle 35 is removed from the nozzle hook 35a, an ON signal is input to the control device 22 from the nozzle switch provided on the nozzle hook 35a. The previous filling amount displayed is returned to zero, and the shutoff valve 26 is opened.

次に、ノズル掛け３５ａから外した充填ノズル３５を自動車の燃料タンクの充填口に挿入する。ここで、ホースユニット３の内部には、ガイド部材３３、３６が設けられているため、充填ホース３４を保護しながら引き出すことができ、充填ホース３４の引き出し時の充填ホース３４やホースユニット３等の損傷を防止することができる。   Next, the filling nozzle 35 removed from the nozzle hook 35a is inserted into the filling port of the fuel tank of the automobile. Here, since the guide members 33 and 36 are provided inside the hose unit 3, the filling hose 34 can be pulled out while being protected, and the filling hose 34 and the hose unit 3 when the filling hose 34 is pulled out can be used. Can prevent damage.

充填ノズル３５の充填レバーを引くと、蓄圧器からの高圧ガスは、ガス搬送管７１、流量調整弁２５、ガス管路冷却部４１、ガス搬送管７２、遮断弁２６、流量計２７、充填ホース３４を介して充填ノズル３５から自動車の燃料タンクへ充填される。この際、制御装置２２は、流量計からの流量信号を計数演算して表示器２１へ充填量を表示する   When the filling lever of the filling nozzle 35 is pulled, the high-pressure gas from the pressure accumulator is transferred to the gas transport pipe 71, the flow rate adjustment valve 25, the gas pipe cooling section 41, the gas transport pipe 72, the shutoff valve 26, the flow meter 27, and the filling hose. The fuel tank of the automobile is filled from the filling nozzle 35 through 34. At this time, the control device 22 counts and calculates the flow rate signal from the flow meter and displays the filling amount on the display 21.

自動車への充填が完了すると、充填ノズル３５をノズル掛け３５ａに掛ける。ここで、ホースユニット３の内部に設けられたガイド部材３６の最下部３６ａが奥に向かって凹み、傾斜部３６ｂを備えるため、充填ホース３４を折り畳んで収納することができる。   When the filling of the automobile is completed, the filling nozzle 35 is hung on the nozzle hook 35a. Here, since the lowermost part 36a of the guide member 36 provided inside the hose unit 3 is recessed toward the back and includes the inclined part 36b, the filling hose 34 can be folded and stored.

充填ノズル３５をノズル掛け３５ａに掛けると、ノズルスイッチから制御装置へＯＦＦ信号が入力され、制御装置２２は流量調整弁２５、遮断弁２６を閉じ、表示器２１に表示された充填量に基づいて清算をする。   When the filling nozzle 35 is hung on the nozzle hook 35a, an OFF signal is input from the nozzle switch to the control device, and the control device 22 closes the flow rate adjusting valve 25 and the shutoff valve 26, and based on the filling amount displayed on the display 21. Check out.

ガス充填所が営業を終了すると、充填ホース３４及び充填ノズル３５をホースユニット３の内部に完全に収納し、扉３７、３８を閉める。これによって、いたずらや盗難等を防止すると共に、風雨によって充填ホース３４及び充填ノズル３５が劣化することを防止することができる。   When the gas filling station is closed, the filling hose 34 and the filling nozzle 35 are completely stored inside the hose unit 3 and the doors 37 and 38 are closed. As a result, mischief and theft can be prevented, and deterioration of the filling hose 34 and the filling nozzle 35 due to wind and rain can be prevented.

自動車へのガス充填中に表示部２ｂやホースユニット３にガスが滞留し、ガス検知器２８、３９によってガスが検知されると、報知器２９によってガス漏れを報知し、遮断弁２６等を閉じるなどして対処する。   If gas stays in the display unit 2b or the hose unit 3 during gas filling of the automobile and gas is detected by the gas detectors 28 and 39, the alarm 29 notifies the gas leak and closes the shutoff valve 26 and the like. To deal with it.

また、図示を省略するが、表示部２ｂの内部やガスがホースユニット３の上部に滞留しないように、表示部２ｂやホースユニット３の内部に、ガス充填所に既存のコンプレッサーから圧縮空気を流して営業時に換気をすることが好ましい。これによって、ガス漏れが発生した場合には、ガス検知器２８、３９によって検知されて報知器２９によって報知されるが、その際に遮断弁２６等を閉じてもホースユニット３の上部や表示部２ｂの内部に存在するガスの濃度は変化しないため、圧縮空気を送ることで安全性を向上させることができる。   Although not shown, compressed air is supplied from an existing compressor to the gas filling station in the display unit 2b or the hose unit 3 so that the gas does not stay in the display unit 2b or in the upper part of the hose unit 3. It is preferable to ventilate during business hours. Thus, when a gas leak occurs, it is detected by the gas detectors 28 and 39 and notified by the alarm device 29. At that time, even if the shutoff valve 26 or the like is closed, the upper part of the hose unit 3 or the display unit Since the concentration of the gas existing inside 2b does not change, safety can be improved by sending compressed air.

さらに、自動車へのガス充填中に、圧力計２３、２４によってガス搬送管７１、７２の内部圧力の異常を検知した場合には、報知器２９によって異常を知らせると共に、遮断弁２６等を閉じるなどして対処する。また、その他の異常が発生した場合には、緊急停止スイッチ５３を押してガスの供給を停止することができる。   Further, when an abnormality in the internal pressure of the gas transport pipes 71 and 72 is detected by the pressure gauges 23 and 24 during gas filling of the automobile, the abnormality is notified by the alarm device 29 and the shutoff valve 26 and the like are closed. To deal with it. In addition, when other abnormalities occur, the emergency stop switch 53 can be pressed to stop the gas supply.

尚、上記実施の形態では、冷媒冷却部５とガス管路冷却部４１を１対１の関係で説明したが、冷媒冷却部５を複数台のガス管路冷却部４１と接続することもできる。   In the above-described embodiment, the refrigerant cooling unit 5 and the gas pipe cooling unit 41 have been described in a one-to-one relationship. However, the refrigerant cooling unit 5 can be connected to a plurality of gas pipe cooling units 41. .

図４は、本発明に係る水素ガス充填装置の第２の実施形態を示し、この水素ガス充填装置１１は、上記第１の実施形態における水素ガス充填装置１が備える本体ユニット２と、ホースユニット３とを一体に構成し、冷却ユニット４を別体として構成したものである。   FIG. 4 shows a second embodiment of the hydrogen gas filling apparatus according to the present invention. This hydrogen gas filling apparatus 11 includes a main body unit 2 provided in the hydrogen gas filling apparatus 1 in the first embodiment and a hose unit. 3 and the cooling unit 4 are configured separately.

この本体ユニット２も充填部２ａと、充填部２ａの天井部に載置され、ガスの充填量等を表示する表示部２ｂとで構成され、下部に空気導入口６１を備える。また、ホースユニット３についても、充填ホースや充填ノズルを開閉自在な扉３７、３８で覆い、これらの扉３７、３８は、ホースユニット３の内部に収納可能に構成され、ホースユニット３の下部にルーバー６２を、上部にルーバー６３が設けられ、上記水素ガス充填装置１と同様の効果を奏する。   The main unit 2 is also composed of a filling portion 2a and a display portion 2b that is placed on the ceiling portion of the filling portion 2a and displays a gas filling amount and the like, and includes an air inlet 61 at the bottom. Further, the hose unit 3 is also configured such that the filling hose and the filling nozzle are covered with doors 37 and 38 that can be freely opened and closed, and these doors 37 and 38 are configured to be housed inside the hose unit 3. The louver 62 and the louver 63 are provided on the upper part, and the same effect as the hydrogen gas filling device 1 is obtained.

１ 水素ガス充填装置
２ 本体ユニット
２ａ 充填部
２ｂ 表示部
３ ホースユニット
４ 冷却ユニット
５ 冷媒冷却部
６、７ 冷媒搬送管
１１ 水素ガス充填装置
２１ 表示器
２２ 制御装置
２３、２４ 圧力計
２５ 流量調整弁
２６ 遮断弁
２７ 流量計
２８ ガス検知器
２９ 報知器
３１ 安全継手
３２ ホースカバー
３３ ガイド部材
３４ 充填ホース
３５ 充填ノズル
３５ａ ノズル掛け
３６ ガイド部材
３６ａ 最下部、
３６ｂ 傾斜部
３７ 扉
３７ａ 取っ手
３８ 扉
３９ ガス検知器
４１ ガス管路冷却部
５１ スタートスイッチ
５２ 停止スイッチ
５３ 緊急停止スイッチ
６１ 空気導入口
６２〜６４ ルーバー
７１、７２ ガス搬送管
７２ａ 出口配管 DESCRIPTION OF SYMBOLS 1 Hydrogen gas filling apparatus 2 Main body unit 2a Filling part 2b Display part 3 Hose unit 4 Cooling unit 5 Refrigerant cooling part 6, 7 Refrigerant conveyance pipe 11 Hydrogen gas filling apparatus 21 Indicator 22 Controller 23, 24 Pressure gauge 25 Flow rate adjustment valve 26 shutoff valve 27 flow meter 28 gas detector 29 alarm 31 safety joint 32 hose cover 33 guide member 34 filling hose 35 filling nozzle 35a nozzle hook 36 guide member 36a
36b Inclined part 37 Door 37a Handle 38 Door 39 Gas detector 41 Gas line cooling part 51 Start switch 52 Stop switch 53 Emergency stop switch 61 Air inlet 62-64 Louver 71, 72 Gas carrier pipe 72a Outlet pipe

Claims (7)

ガスの供給源からガスの流量を計測しながら該ガスを搬送する充填機構を有する本体ユニットと、
前記充填機構のガス出口配管に接続される充填ホースと、該充填ホースの先端に備えられる充填ノズルとを有するホースユニットとを一体に備えることを特徴とするガス充填装置。 A main unit having a filling mechanism for conveying the gas while measuring the flow rate of the gas from a gas supply source;
A gas filling apparatus comprising a filling hose connected to a gas outlet pipe of the filling mechanism and a hose unit having a filling nozzle provided at a tip of the filling hose. さらに、前記本体ユニットに導入されるガスの配管を冷却するガス管路冷却部を有する冷却ユニットを一体に備えることを特徴とする請求項１に記載のガス充填装置。   The gas filling device according to claim 1, further comprising a cooling unit having a gas pipe cooling unit that cools a pipe of gas introduced into the main body unit. 前記ガス管路冷却部に冷媒を供給する冷媒冷却部を、前記冷却ユニットの外部に備えることを特徴とする請求項２に記載のガス充填装置。   The gas filling device according to claim 2, further comprising a refrigerant cooling unit that supplies a refrigerant to the gas pipe cooling unit outside the cooling unit. 前記充填ホース及び充填ノズルは、開閉自在な扉によって覆われることを特徴とする請求項１、２又は３に記載のガス充填装置。   The gas filling device according to claim 1, wherein the filling hose and the filling nozzle are covered with an openable / closable door. 前記開閉自在な扉は、前記ホースユニット内に収納可能であることを特徴とする請求項１乃至４のいずれかに記載のガス充填装置。   The gas filling device according to any one of claims 1 to 4, wherein the openable / closable door can be stored in the hose unit. 前記ホースユニットの床面に対して垂直方向に延設され、前記充填ホースを保護しながら引き出すためのガイド部材を備えることを特徴とする請求項１乃至５のいずれかに記載のガス充填装置。   The gas filling device according to any one of claims 1 to 5, further comprising a guide member that extends in a direction perpendicular to the floor surface of the hose unit and that is drawn out while protecting the filling hose. 前記充填機構のガス出口配管に前記充填ホースを接続する安全継手と、
該安全継手から下方に延設されるホースカバーとを備え、
該ホースカバーによって、前記安全継手に接続された前記充填ホースの該安全継手の直下に位置する部分を覆うことを特徴とする請求項１乃至６のいずれかに記載のガス充填装置。 A safety joint for connecting the filling hose to the gas outlet pipe of the filling mechanism;
A hose cover extending downward from the safety joint,
The gas filling device according to claim 1, wherein the hose cover covers a portion of the filling hose connected to the safety joint located immediately below the safety joint.
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