JPH02118417A - Residual hydrogen quantity meter - Google Patents
Residual hydrogen quantity meterInfo
- Publication number
- JPH02118417A JPH02118417A JP27207788A JP27207788A JPH02118417A JP H02118417 A JPH02118417 A JP H02118417A JP 27207788 A JP27207788 A JP 27207788A JP 27207788 A JP27207788 A JP 27207788A JP H02118417 A JPH02118417 A JP H02118417A
- Authority
- JP
- Japan
- Prior art keywords
- hydrogen
- hydrogen storage
- alloy
- magnet
- storage alloy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 128
- 239000001257 hydrogen Substances 0.000 title claims abstract description 127
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 127
- 239000000956 alloy Substances 0.000 claims abstract description 47
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 47
- 238000001514 detection method Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 15
- 229910052751 metal Inorganic materials 0.000 abstract description 15
- 239000002184 metal Substances 0.000 abstract description 15
- 230000007423 decrease Effects 0.000 abstract description 6
- 239000011521 glass Substances 0.000 abstract description 6
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000000446 fuel Substances 0.000 description 4
- 150000002431 hydrogen Chemical class 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- -1 for example Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Landscapes
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
Description
【発明の詳細な説明】
〔発明の目的〕
（産業上の利用分野）
本発明は水素貯蔵タンクに設けられた水素残量計に係り
、とりわけ安価で精度よく水素残量を測定することがで
きる水素残量計に関する。[Detailed Description of the Invention] [Object of the Invention] (Industrial Application Field) The present invention relates to a hydrogen remaining amount meter installed in a hydrogen storage tank, and is particularly capable of measuring the remaining amount of hydrogen at low cost and with high accuracy. Regarding hydrogen fuel gauge.
（従来の技術）
従来、水素貯蔵タンク内に水素吸蔵合金を貯蔵し、この
水素吸蔵合金に水素を吸蔵させることにより水素の貯蔵
を行なう方法が知られている。この場合、水素吸蔵合金
として希土類のＬ ａ Ｎ １５等が用いられる。(Prior Art) Conventionally, a method is known in which hydrogen is stored by storing a hydrogen storage alloy in a hydrogen storage tank and causing the hydrogen storage alloy to store hydrogen. In this case, rare earth L a N 15 or the like is used as the hydrogen storage alloy.
また水素貯蔵タンク内の水素残量の測定を行なうため、
各種の水素残量測定法が用いられている。In addition, in order to measure the remaining amount of hydrogen in the hydrogen storage tank,
Various methods of measuring residual hydrogen are used.
このような水素残量測定法として、
（１） 例えば、水素吸蔵合金の温度Ｔおよび水素貯蔵
タンク内圧力Ｐ（水素平衡圧力）を温度、圧力センサで
検出し、第３図に示すＶａｎ’ｔ １ｏｆｔ’線図およ
び第４図に示すＰＣＴ曲線より水素残量を求める方法が
考えられている。As such a method for measuring the remaining amount of hydrogen, (1) For example, the temperature T of the hydrogen storage alloy and the internal pressure P (hydrogen equilibrium pressure) of the hydrogen storage tank are detected using temperature and pressure sensors, and the Van't A method of determining the remaining amount of hydrogen from the 1of' diagram and the PCT curve shown in FIG. 4 has been considered.
ここで第３図は、水素吸蔵合金内の水素組成Ｈ／Ｍが一
定の場合のｌｎＰと１／Ｔとの関係を示しており、また
第４図は、各温度Ｔ ｔ 、 Ｔ ２における１ｎＰと
Ｈ／Ｍとの関係を示している。Here, FIG. 3 shows the relationship between lnP and 1/T when the hydrogen composition H/M in the hydrogen storage alloy is constant, and FIG. 4 shows the relationship between lnP and 1/T at each temperature T t and T 2. It shows the relationship between and H/M.
具体的には、第３図および第４図からあらかじめ温度Ｔ
１圧力Ｐ１および水素組成Ｈ／Ｍの３次元マツプを作成
し、この３次元マツプをもとに、検出温度および検出圧
力から水素残量を求めている。Specifically, the temperature T is determined in advance from FIGS. 3 and 4.
A three-dimensional map of pressure P1 and hydrogen composition H/M is created, and based on this three-dimensional map, the remaining amount of hydrogen is determined from the detected temperature and detected pressure.
この水素濃度測定方法は、一般にマイコンによって行な
われることになるため、水素残量計の設置コストが高価
になってしまう。Since this hydrogen concentration measuring method is generally performed by a microcomputer, the installation cost of the hydrogen remaining amount meter becomes high.
（２） また、第４図に示すＰＣＴ曲線において、プラ
トー域（圧力が平坦な部分であ７て一般に燃料として使
う領域）を合金の組成を多元系にすることで傾け、これ
により水素組成に対して圧力を一次に変化させ、この圧
力を測定することによって、水素残量を求める方法が考
えられている。(2) In addition, in the PCT curve shown in Figure 4, the plateau region (the region where the pressure is flat and is generally used as a fuel) is tilted by making the alloy composition multi-component. On the other hand, a method has been considered in which the remaining amount of hydrogen is determined by linearly changing the pressure and measuring this pressure.
しかしこの測定方法では、水素圧力がシフトするため、
温度が安定した場所以外では測定精度が非常に悪く、ま
た水素放出時、吸蔵時には強制的に温度を上下させるた
め全く測定不可能となってしまう。However, with this measurement method, the hydrogen pressure shifts, so
Measurement accuracy is very poor outside of a place where the temperature is stable, and when hydrogen is released or absorbed, the temperature is forcibly raised or lowered, making measurement impossible.
（３） さらに、水素供給系および消費系と水素貯蔵タ
ンクとの間に質量流量計を設けて移動水素流量をｎＪ定
することにより、合金の最大水素吸蔵量から差し引き算
出する方法も考えられている。(3) Furthermore, a method has been considered in which a mass flow meter is installed between the hydrogen supply system, the consumption system, and the hydrogen storage tank, and the transferred hydrogen flow rate is determined in nJ, and then subtracted from the maximum hydrogen storage capacity of the alloy. There is.
しかし、質量流量計は非常に高価（約８０万円以上）で
あり、簡易性に欠Ｊするという問題がある。However, mass flow meters are very expensive (approximately 800,000 yen or more) and lack simplicity.
（発明が解決しようとする課題）
上述のように水素貯蔵タンク内の水素残量の測定を行な
うため、各種の水素残量測定法が考えられている。(Problems to be Solved by the Invention) In order to measure the amount of hydrogen remaining in the hydrogen storage tank as described above, various methods for measuring the amount of remaining hydrogen have been considered.
しかしながら、（１）温度Ｔ、圧力Ｐおよび水素組成Ｈ
／Ｍの３次元マツプを作成し、この３次元マツプをもと
に検出温度および検出圧力から水素残量を求める方法に
おいては、マイコン等を用いるため設置コストが高価に
なってしまうという問題がある。（２）またＰＣＴ曲線
のプラトー域を傾けて水素残量を求める方法においては
、温度が安定した場所以外では測定精度が非常に悪いと
いう問題がある。（３）さらに質量流量計を設は移動水
素流量を測定することにより、合金の最大水素吸蔵量か
ら差し引き算出する方法においては設置コストが高価に
なってしまうという問題がある。However, (1) temperature T, pressure P and hydrogen composition H
The method of creating a three-dimensional map of /M and calculating the remaining amount of hydrogen from the detected temperature and pressure based on this three-dimensional map has the problem that the installation cost becomes high because it uses a microcomputer, etc. . (2) Furthermore, in the method of determining the remaining amount of hydrogen by tilting the plateau region of the PCT curve, there is a problem in that the measurement accuracy is very poor outside of a place where the temperature is stable. (3) Furthermore, there is a problem in that the installation cost becomes high in a method in which a mass flow meter is designed to measure the flow rate of transferred hydrogen, thereby subtracting it from the maximum hydrogen storage capacity of the alloy.
本発明はこのような点を考慮してなされたものであり、
安価で精度よく水素残量の測定を行なうことができる水
素残量計を提供することを目的とする。The present invention has been made in consideration of these points,
It is an object of the present invention to provide a hydrogen remaining amount meter that can accurately measure the remaining amount of hydrogen at low cost.
（課題を解決するための手段）
本発明は、水素貯蔵タンク内に設けられた水素ガス透過
材料製の収納箱と、この収納箱内に収納され水素吸蔵量
の変化によって体積変化を生じさせる水素吸蔵合金と、
前記水素吸蔵合金の体積変化を検出する検出装置とを備
えたことを特徴とする水素残量計である。(Means for Solving the Problems) The present invention provides a storage box made of a hydrogen gas permeable material provided in a hydrogen storage tank, and hydrogen that is stored in the storage box and causes a volume change depending on a change in the amount of hydrogen absorbed. storage alloy,
The hydrogen remaining amount meter is characterized by comprising a detection device for detecting a change in volume of the hydrogen storage alloy.
（作 用）
本発明によれば、水素貯蔵タンク内の水素残量が変化し
た場合、収納箱内に収納された水素吸蔵合金の水素量も
変化してその体積が変化し、この水素吸蔵合金の体積変
化を検出装置によって検出することにより水素残量を測
定することができる。(Function) According to the present invention, when the remaining amount of hydrogen in the hydrogen storage tank changes, the amount of hydrogen in the hydrogen storage alloy stored in the storage box also changes and its volume changes. The remaining amount of hydrogen can be measured by detecting the change in volume with a detection device.
（実施例）
以下、図面を参照して本発明の実施例について説明する
。(Example) Hereinafter, an example of the present invention will be described with reference to the drawings.
第１図および第２図は本発明による水素残量計の一実施
例°を示す図であり、このうち第・１図は水素残量計の
側断面図、第２図は水素吸蔵合金の特性を示す図である
。Figures 1 and 2 are diagrams showing an embodiment of a hydrogen fuel gauge according to the present invention, of which Figure 1 is a side sectional view of the hydrogen fuel gauge, and Figure 2 is a side sectional view of the hydrogen storage alloy. FIG. 3 is a diagram showing characteristics.
第１図において、水素貯蔵タンク３１内に水素吸蔵合金
３２が貯蔵されている。水素吸蔵合金３２としては、例
えば希土類系のＬ ａ Ｎ ｉ５、Ｌ ａ Ｎ ｌ ４
，７ Ａ １ ｏ、ｓ等水素吸蔵量によって体積変化を
生じさせる粒子状合金が用いられ、この水素吸蔵合金３
２の粒度は予め調整されている。In FIG. 1, a hydrogen storage alloy 32 is stored in a hydrogen storage tank 31. As shown in FIG. As the hydrogen storage alloy 32, for example, rare earth-based L a N i5, L a N l4
, 7 A 1 o, s etc. A particulate alloy that causes a volume change depending on the amount of hydrogen storage is used, and this hydrogen storage alloy 3
The particle size of No. 2 is adjusted in advance.
次に水素残量計１０の構成を説明する。Next, the configuration of the remaining hydrogen gauge 10 will be explained.
水素貯蔵タンク３１の上部開口には取付座３３が設けら
れ、この取付座３３には下方に円筒状の焼結金属フィル
タ１４を有する保持体１１が載置され、止ねじ２５によ
って固定されている。また取付座３３と保持体１１との
間は、０リング１５によってシールされている。A mounting seat 33 is provided at the upper opening of the hydrogen storage tank 31, and a holder 11 having a cylindrical sintered metal filter 14 underneath is mounted on the mounting seat 33, and is fixed with a set screw 25. . Further, the space between the mounting seat 33 and the holding body 11 is sealed by an O-ring 15.
焼結金属フィルタ１４は水素貯蔵タンク３１内に延びる
とともに、内部に水素貯蔵合金１３が収納されている。The sintered metal filter 14 extends into the hydrogen storage tank 31 and contains the hydrogen storage alloy 13 therein.
焼結金属フィルタ１４内に収納された水素吸蔵合金１３
は、水素貯蔵タンク３１内に貯蔵された水素吸蔵合金３
２と同一組成のものが用いられるが、水素の吸蔵および
放出の繰り返しによる微粉化を防ぐため圧縮成形体の合
金が用いられている。Hydrogen storage alloy 13 housed in sintered metal filter 14
is the hydrogen storage alloy 3 stored in the hydrogen storage tank 31
An alloy having the same composition as No. 2 is used, but an alloy of compression molding is used to prevent pulverization due to repeated absorption and release of hydrogen.
また焼結金属フィルタ１４は伝熱性のよいステンレス製
となっており、水素ガスの透過を可能としているが、水
素貯蔵タンク３１側から微粉化した合金が焼結金属フィ
ルタ１４内に侵入しないようになっている。さらに焼結
金属フィルタ１４の形状は、垂直方向に細長い円筒状と
なっており、例えば直径と長さの比が１１５゛となって
いる。これは円筒状の軸方向の体積変位を直径方向の体
積変位に比較してはるかに大きくするためである。In addition, the sintered metal filter 14 is made of stainless steel with good heat conductivity and allows hydrogen gas to pass through, but it is necessary to prevent the pulverized alloy from entering the sintered metal filter 14 from the hydrogen storage tank 31 side. It has become. Furthermore, the shape of the sintered metal filter 14 is a cylindrical shape elongated in the vertical direction, and the diameter to length ratio is, for example, 115 degrees. This is because the volumetric displacement in the axial direction of the cylinder is much larger than the volumetric displacement in the diametrical direction.
保持体１１内には、下方に取付けられた焼結金属フィル
タ１４内と連通する空間１１ａが形成され、この空間１
１ａ内には、焼結金属フィルタ１４内に収納された水素
吸蔵合金１３の上面に接触する磁石１７が設けられてい
る。この磁石１７は水素吸蔵量の変化にともなう水素吸
蔵合金１３の体積変化に応じて、空間１１ａ内で上下方
向に移動するようになっており、空間１１ａ上面と磁石
１７との間には皿ばね１６が介在されている。A space 11a is formed in the holder 11 and communicates with the inside of the sintered metal filter 14 attached below.
A magnet 17 is provided in the interior of the sintered metal filter 14, which contacts the upper surface of the hydrogen storage alloy 13 housed in the sintered metal filter 14. This magnet 17 is configured to move vertically within the space 11a in response to changes in the volume of the hydrogen storage alloy 13 due to changes in the amount of hydrogen storage, and a disc spring is installed between the upper surface of the space 11a and the magnet 17. 16 are interposed.
また、保持体１１の上部には、内部に互いに連通ずるダ
イヤフラム室２７ａおよび液体室２７ｂが形成された表
示体２７が設けられている。この表示体２７のダイヤフ
ラム室２７ａ内には、ダイヤフラム１９が配設されてい
る。そしてダイヤフラム１９の下面には、保持体１１内
の磁石１７に対向するとともに、磁石１７の上下移動に
対応して上下移動を行なう磁石１８が取付けられている
。Furthermore, a display body 27 is provided at the upper part of the holding body 11, and the display body 27 has a diaphragm chamber 27a and a liquid chamber 27b formed therein, which communicate with each other. A diaphragm 19 is disposed within the diaphragm chamber 27a of the display body 27. A magnet 18 is attached to the lower surface of the diaphragm 19 so as to face the magnet 17 in the holder 11 and move up and down in response to the up and down movement of the magnet 17.
さらに、ダイヤフラム室２７ａ内のダイヤフラム１９の
上方には不揮発性液体２０が収納され、この不揮発性液
体２０はダイヤフラム室２７ｇから液体室２７ｂまで達
している。また表示体２７は外部から内部に収納された
不揮発性液体２０を確認することができるようになって
おり、表示体２７は全体としてガラス付覆い管２８で覆
われている。なお、このガラス付覆い管２８内には不活
性ガス、例えばアルゴンガスが充てんされている。Furthermore, a non-volatile liquid 20 is stored above the diaphragm 19 in the diaphragm chamber 27a, and this non-volatile liquid 20 reaches from the diaphragm chamber 27g to the liquid chamber 27b. Further, the display body 27 is configured such that the nonvolatile liquid 20 stored therein can be confirmed from the outside, and the display body 27 is entirely covered with a glass cover tube 28. Note that this glass covered tube 28 is filled with an inert gas, for example, argon gas.
この不活性ガスは不揮発性液体２０と空気との化学反応
による腐蝕を防止するものである。This inert gas prevents corrosion due to chemical reaction between the nonvolatile liquid 20 and air.
次にこのような構成からなる本実施例の作用について説
明する。Next, the operation of this embodiment having such a configuration will be explained.
まず、第２図に水素吸蔵合金１３，３２、例えばＬａＮ
ｉ４．Ａｌ、３の特性について説明する。First, FIG. 2 shows a hydrogen storage alloy 13, 32, for example, LaN.
i4. The characteristics of Al, 3 will be explained.
第２図は横軸に水素吸蔵量（水素組成）を縦軸に体積変
化率をそれぞれとり、各水素吸蔵放出回数Ｎ−５，１０
，１５に対応する体積変化率を示したものである。Figure 2 shows the amount of hydrogen storage (hydrogen composition) on the horizontal axis and the volume change rate on the vertical axis, and the number of hydrogen storage and release times N-5, 10
, 15 shows the volume change rate corresponding to .
この体積変化率は一軸方向（開放方向）の移動量として
検出されたものであり、側壁方向への変化は無視して算
出されている。This rate of volume change is detected as the amount of movement in the uniaxial direction (opening direction), and is calculated ignoring changes in the side wall direction.
第２図に示すように、水素吸蔵合金の体積変化率、すな
わち開放方向の移動量は水素吸蔵量の変化に応じて直線
的に変化する。このため水素吸蔵合金の体積変化率を検
出することにより、水素吸蔵量を測定することができる
。As shown in FIG. 2, the volume change rate of the hydrogen storage alloy, that is, the amount of movement in the opening direction changes linearly in accordance with the change in the amount of hydrogen storage. Therefore, by detecting the volume change rate of the hydrogen storage alloy, the amount of hydrogen storage can be measured.
すなわち、第１図において、水素貯蔵タンク３１内に貯
蔵された水素吸蔵合金３２から水素が放出されて水素が
消費されると、水素吸蔵合金３２内の水素吸蔵量が低下
する。この場合、焼結金属フィルタ１４は水素ガス透過
性となっているので、焼結金属フィルタ１４内の水素吸
蔵合金１３の水素吸蔵量は、水素貯蔵タンク３１内の水
素吸蔵合金３２と同様低下しその体積を減少させる。That is, in FIG. 1, when hydrogen is released from the hydrogen storage alloy 32 stored in the hydrogen storage tank 31 and hydrogen is consumed, the amount of hydrogen stored in the hydrogen storage alloy 32 decreases. In this case, since the sintered metal filter 14 is permeable to hydrogen gas, the hydrogen storage capacity of the hydrogen storage alloy 13 in the sintered metal filter 14 decreases in the same way as the hydrogen storage alloy 32 in the hydrogen storage tank 31. Decrease its volume.
焼結金属フィルタ１４内の水素吸蔵合金１３が、水素吸
蔵量の低下に伴ってその体積を直線的に減少させると、
水素吸蔵合金１３の上面に接触して設けられた磁石１７
が、空間１１ａ内で皿ばね１６に押圧されて下方へ移動
する。この磁石１７の下方への移動に伴い、磁石１８も
下方へ移動しダイヤフラム１９が下方へ押下げられる。When the hydrogen storage alloy 13 in the sintered metal filter 14 linearly decreases its volume as the amount of hydrogen storage decreases,
Magnet 17 provided in contact with the upper surface of hydrogen storage alloy 13
is pressed by the disc spring 16 within the space 11a and moves downward. As the magnet 17 moves downward, the magnet 18 also moves downward, pushing the diaphragm 19 downward.
このようにダイヤフラム１９が下方へ押下げられると、
ダイヤフラム室２７ａおよび液体室２７ｂ内に収納され
た不揮発性液体２０が下方へ降下する。この場合、不揮
発性液体２０の上面は、ガラス付覆い管２８の外側から
確認でき、この不揮発性液体２０の上面をガラス付覆い
管２８の表面に描かれた水素残量表示部２９と対比して
検出することにより水素残量を測定することができる。When the diaphragm 19 is pushed down in this way,
Nonvolatile liquid 20 stored in diaphragm chamber 27a and liquid chamber 27b falls downward. In this case, the upper surface of the non-volatile liquid 20 can be confirmed from the outside of the glass covered tube 28, and the upper surface of the non-volatile liquid 20 can be compared with the remaining hydrogen amount display section 29 drawn on the surface of the glass covered tube 28. The remaining amount of hydrogen can be measured by detecting the amount of hydrogen.
このように本実施例によれば、水素吸蔵量よってその体
積を直線的に変化させる水素吸蔵合金１３を利用し、こ
の水素吸蔵合金１３の体積変化を検出することにより水
素貯蔵タンク３１内の水素残量を測定することができる
ので、安価で精度良く水素残量をｎ１定することができ
る。As described above, according to this embodiment, the hydrogen storage alloy 13 whose volume changes linearly depending on the amount of hydrogen storage is used, and by detecting the volume change of the hydrogen storage alloy 13, the hydrogen in the hydrogen storage tank 31 is detected. Since the remaining amount can be measured, the remaining amount of hydrogen can be determined n1 at low cost and with high accuracy.
以上説明したように、本発明によれば、収納箱内に収納
された水素吸蔵合金の体積変化を検出装置によって検出
することにより、水素貯蔵タンク内の水素残量を測定す
ることができるので、安価で精度良く水素残量を測定す
ることができる。As explained above, according to the present invention, the remaining amount of hydrogen in the hydrogen storage tank can be measured by detecting the volume change of the hydrogen storage alloy stored in the storage box using the detection device. It is possible to measure the remaining amount of hydrogen at low cost and with high accuracy.
第１図は本発明による水素残量計の一実施例を示す側断
面図、第２図は水素吸蔵合金の特性を示す図、第３図は
水素吸蔵合金のＶａｎ’ｔ Ｈｏｆ’ｆ線図、第４図
は水素吸蔵合金のＰＣＴ曲線を示す図である。
１０・・・水素残量計、１３・・・水素吸蔵合金、１４
・・・焼結金属フィルタ、１７・・・磁石、１８・・・
磁石、１９・・・ダイヤフラム、２０・・・不揮発性液
体。Fig. 1 is a side cross-sectional view showing an embodiment of the hydrogen remaining amount meter according to the present invention, Fig. 2 is a diagram showing the characteristics of the hydrogen storage alloy, and Fig. 3 is a Van't Hof'f diagram of the hydrogen storage alloy. , FIG. 4 is a diagram showing a PCT curve of a hydrogen storage alloy. 10...Hydrogen remaining amount meter, 13...Hydrogen storage alloy, 14
...Sintered metal filter, 17...Magnet, 18...
Magnet, 19...Diaphragm, 20...Nonvolatile liquid.
Claims (1)
納箱と、この収納箱内に収納され水素吸蔵量の変化によ
って体積変化を生じさせる水素吸蔵合金と、前記水素吸
蔵合金の体積変化を検出する検出装置とを備えたことを
特徴とする水素残量計。A storage box made of a hydrogen gas permeable material provided in a hydrogen storage tank, a hydrogen storage alloy that is stored in the storage box and causes a volume change due to a change in the amount of hydrogen storage, and detects the volume change of the hydrogen storage alloy. A hydrogen residual quantity meter characterized by being equipped with a detection device for detecting the amount of hydrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63272077A JP2737082B2 (en) | 1988-10-28 | 1988-10-28 | Hydrogen fuel gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63272077A JP2737082B2 (en) | 1988-10-28 | 1988-10-28 | Hydrogen fuel gauge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02118417A true JPH02118417A (en) | 1990-05-02 |
| JP2737082B2 JP2737082B2 (en) | 1998-04-08 |
Family
ID=17508772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63272077A Expired - Lifetime JP2737082B2 (en) | 1988-10-28 | 1988-10-28 | Hydrogen fuel gauge |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2737082B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5423647A (en) * | 1993-02-01 | 1995-06-13 | Sumitomo Wiring Systems, Ltd. | Stud bolt clip |
| JP2008005581A (en) * | 2006-06-20 | 2008-01-10 | Nissan Motor Co Ltd | Structure for attaching harness protector |
| JP2018169225A (en) * | 2017-03-29 | 2018-11-01 | 株式会社日本製鋼所 | Hydrogen quantity detector and hydrogen storage alloy container |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5766357A (en) * | 1980-10-09 | 1982-04-22 | Sekisui Chem Co Ltd | Reaction measuring device for metal hydride |
-
1988
- 1988-10-28 JP JP63272077A patent/JP2737082B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5766357A (en) * | 1980-10-09 | 1982-04-22 | Sekisui Chem Co Ltd | Reaction measuring device for metal hydride |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5423647A (en) * | 1993-02-01 | 1995-06-13 | Sumitomo Wiring Systems, Ltd. | Stud bolt clip |
| JP2008005581A (en) * | 2006-06-20 | 2008-01-10 | Nissan Motor Co Ltd | Structure for attaching harness protector |
| JP2018169225A (en) * | 2017-03-29 | 2018-11-01 | 株式会社日本製鋼所 | Hydrogen quantity detector and hydrogen storage alloy container |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2737082B2 (en) | 1998-04-08 |
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