JPH032240B2 - - Google Patents
Info
- Publication number
- JPH032240B2 JPH032240B2 JP57159145A JP15914582A JPH032240B2 JP H032240 B2 JPH032240 B2 JP H032240B2 JP 57159145 A JP57159145 A JP 57159145A JP 15914582 A JP15914582 A JP 15914582A JP H032240 B2 JPH032240 B2 JP H032240B2
- Authority
- JP
- Japan
- Prior art keywords
- oxygen
- hydrogen
- electrolytic
- storage means
- supplied
- 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.)
- Expired - Lifetime
Links
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 75
- 239000001301 oxygen Substances 0.000 claims description 75
- 229910052760 oxygen Inorganic materials 0.000 claims description 75
- 239000001257 hydrogen Substances 0.000 claims description 47
- 229910052739 hydrogen Inorganic materials 0.000 claims description 47
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 46
- 238000005868 electrolysis reaction Methods 0.000 claims description 16
- 239000000446 fuel Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000007423 decrease Effects 0.000 description 7
- 238000009423 ventilation Methods 0.000 description 5
- -1 metal hydride compound Chemical class 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- 229910052987 metal hydride Inorganic materials 0.000 description 3
- 206010021143 Hypoxia Diseases 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910001854 alkali hydroxide Inorganic materials 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
Classifications
-
- 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
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
Landscapes
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Description
【発明の詳細な説明】
本発明は、水を電解して酸素を供給する装置に
関し、特に、供給すべき領域の酸素濃度に応じて
電解量を制御するようにした酸素供給装置に関す
る。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an apparatus for supplying oxygen by electrolyzing water, and more particularly to an oxygen supply apparatus that controls the amount of electrolysis according to the oxygen concentration of the area to be supplied.
一般に、地下室、建物内、船内、車輌内等の機
密性のある領域では、人の活動等により酸素濃度
が低下し、甚しい場合には酸欠状態となる。又、
酸欠に至らないまでも、人の思考力を低下させる
という問題がある。このような場合、換気装置を
用いることができるが、外気を直接流入させる
と、気流の乱れ、温度変化等を生じ、又、冷暖房
効率が低下するという問題がある。又、換気によ
り供給される空気だけでは酸素量が不十分な場合
もある。そこで、不足する酸素を供給することに
より、換気量を減少させ、温度変化等を防止しつ
つ酸欠状態を防ぐ手段の開発が要請されている。 Generally, in sensitive areas such as basements, inside buildings, inside ships, and inside vehicles, the oxygen concentration decreases due to human activities, and in severe cases, an oxygen deficiency state occurs. or,
Even if it does not lead to oxygen deficiency, there is a problem in that it reduces a person's thinking ability. In such a case, a ventilation device can be used, but if outside air is directly introduced, there are problems such as turbulence of airflow, temperature changes, etc., and a decrease in heating and cooling efficiency. In addition, there are cases where the amount of oxygen supplied by ventilation alone is insufficient. Therefore, there is a need for the development of a means to reduce the amount of ventilation by supplying insufficient oxygen, thereby preventing temperature changes and the like while preventing an oxygen-deficient state.
従来、この種の装置として、水を電解して酸素
を供給する装置が提案されている。しかし、従来
提案されている装置は、一定量の酸素を供給する
よう構成されているに過ぎず、酸素の需要変動に
対応できないため、酸素濃度に過不足を生ずると
共に、必要以上の電解電力を消費する欠点があ
る。 Conventionally, as this type of device, a device that electrolyzes water to supply oxygen has been proposed. However, conventionally proposed devices are only configured to supply a fixed amount of oxygen, and cannot respond to fluctuations in oxygen demand, resulting in excess or deficiency in oxygen concentration and using more electrolysis power than necessary. It has the disadvantage of being consumed.
本発明は、斯かる点に鑑みてなされたもので、
酸素を供給すべき領域の酸素濃度を酸素センサに
て検出し、この出力に応じて電解装置の電解量を
制御することにより、需要に対応した量の酸素を
供給できて、酸素濃度を過不足なしに略一定レベ
ルに維持できると共に、電解電力の消費を減少さ
せることができる酸素供給装置を提供することを
目的とする。 The present invention has been made in view of the above points, and
By detecting the oxygen concentration in the area to which oxygen should be supplied using an oxygen sensor and controlling the amount of electrolysis in the electrolyzer according to this output, it is possible to supply the amount of oxygen that corresponds to the demand, and to prevent excess or deficiency of oxygen concentration. It is an object of the present invention to provide an oxygen supply device that can maintain a substantially constant level without any electrolysis and can reduce the consumption of electrolytic power.
即ち、本発明は、水を電解して酸素及び水素を
生成する電解装置と、酸素を供給すべき領域の酸
素濃度を検出する酸素センサと、該酸素センサの
出力に応じて上記電解装置の電解を制御する電解
制御装置とを備えて成る酸素供給装置であつて、
上記電解装置にて生成される水素の一部を貯蔵す
る水素貯蔵手段を備え、且つ、上記酸素センサと
して、上記水素貯蔵手段から放出される水素と、
酸素を供給すべき領域に存在する酸素とを反応さ
せる燃料電池を備え、該燃料電池の出力に応じて
上記電解装置の電解を制御するよう構成して成る
ものである。 That is, the present invention provides an electrolytic device that electrolyzes water to produce oxygen and hydrogen, an oxygen sensor that detects the oxygen concentration in a region to which oxygen is to be supplied, and an electrolytic device that performs electrolysis in the electrolytic device according to the output of the oxygen sensor. An oxygen supply device comprising: an electrolytic control device for controlling the
A hydrogen storage means for storing a part of the hydrogen produced in the electrolyzer, and the hydrogen released from the hydrogen storage means as the oxygen sensor;
The apparatus is equipped with a fuel cell that reacts with oxygen present in a region to which oxygen is to be supplied, and is configured to control electrolysis in the electrolyzer according to the output of the fuel cell.
以下、本発明を図面に示す実施例に基づいて説
明する。 Hereinafter, the present invention will be explained based on embodiments shown in the drawings.
第１図は本発明酸素供給装置の一実施例を示す
構成図である。図において本発明酸素供給装置
は、電解装置１と、水素貯蔵手段２と、酸素セン
サ３と、電解制御装置４とを備えて構成される。 FIG. 1 is a block diagram showing an embodiment of the oxygen supply apparatus of the present invention. In the figure, the oxygen supply device of the present invention includes an electrolysis device 1, a hydrogen storage means 2, an oxygen sensor 3, and an electrolysis control device 4.
電解装置１は、電解槽と電解装置とから成る。
電解槽は、公知のもので、例えば単極式又は複極
式の常圧水電解槽から成り、電解液には20〜30％
の水酸化アルカリ水溶液を用い、正極にニツケ
ル、負極に主として鉄を用い、更に、生成する酸
素ガスと水素ガスとの混合を防止するため石綿ク
ロスを隔膜として用いて成るものである。水は、
図示しないイオン交換器を経て適量供給される。 The electrolytic device 1 consists of an electrolytic cell and an electrolytic device.
The electrolytic cell is a well-known type, such as a monopolar or bipolar normal pressure water electrolytic cell, and the electrolyte contains 20 to 30%
This method uses an aqueous alkali hydroxide solution, uses nickel for the positive electrode, mainly iron for the negative electrode, and uses asbestos cloth as a diaphragm to prevent mixing of the generated oxygen gas and hydrogen gas. The water is
An appropriate amount is supplied through an ion exchanger (not shown).
水素貯蔵手段２は、例えば、LaNi5−Hx、
CeCo5−Hx，Ｖ−Hx等の金属水素化合物を密閉
容器内に充填して成り、逆止弁９、三方向弁５を
介して上記電解装置１と接続され、該電解装置１
にて生成される水素を吸蔵すると共に、流量調整
弁８を介して後述する酸素センサ３に水素を供給
する。 The hydrogen storage means 2 is, for example, LaNi 5 -Hx,
It is made by filling a closed container with a metal hydride compound such as CeCo 5 -Hx, V-Hx, etc., and is connected to the electrolytic device 1 through a check valve 9 and a three-way valve 5.
At the same time, the oxygen sensor 3 stores the hydrogen generated in the oxygen sensor 3 and supplies the hydrogen to the oxygen sensor 3, which will be described later, via the flow rate adjustment valve 8.
金属水素化合物は、次式に示すように、金属又
は合金と水素とが圧力変化に対応して可逆的に反
応して形成される。 A metal hydride compound is formed by a reversible reaction between a metal or an alloy and hydrogen in response to pressure changes, as shown in the following formula.
加圧（H2吸蔵）
〔Ｍ〕＋H2 〔MH2〕
減圧（H2放出）
但し、Ｍは金属単体又は合金
この可逆反応において水素圧力は、水素を吸蔵又
は放出している状態では略一定値となり、吸蔵す
る水素が飽和状態に達した時に急に上昇し、一
方、水素が枯渇状態となつた時に急に下降するこ
とが知られている。従つて、本発明のように、一
定量の水素を酸素センサに供給する手段として好
適である。三方向弁５は、上記電解装置１からの
水素を水素貯蔵手段２に供給するか、又は、外部
に排気するかの切換えを行なう弁である。この弁
５は、圧力センサ７により検出される上記水素貯
蔵手段２内の水素圧力の急降下及び急上昇に対応
して弁制御装置６にて切換え制御される。 Pressurization (H 2 storage) [M] + H 2 [MH 2 ] Depressurization (H 2 release) However, M is a metal or an alloy In this reversible reaction, the hydrogen pressure is approximately constant when hydrogen is stored or released. It is known that the value increases suddenly when the stored hydrogen reaches a saturated state, and on the other hand, it suddenly decreases when the hydrogen becomes depleted. Therefore, it is suitable as a means for supplying a fixed amount of hydrogen to an oxygen sensor as in the present invention. The three-way valve 5 is a valve that switches between supplying hydrogen from the electrolyzer 1 to the hydrogen storage means 2 or exhausting it to the outside. This valve 5 is switched and controlled by a valve control device 6 in response to a sudden drop or sudden rise in hydrogen pressure within the hydrogen storage means 2 detected by a pressure sensor 7.
酸素センサ３は、上記水素貯蔵手段２から流量
調整弁８を介して一定量供給される水素と、酸素
を供給すべき領域の酸素とを反応させる酸素水素
燃料電池から成る、この酸素センサ３は、酸素量
の変化に対応して燃料電池の起電力が変化するこ
とを利用したものである。酸素センサ３への酸素
の供給は、酸素を供給すべき領域の空気を自然通
風させるか、又は、適当なフアンにて強制通風さ
せる。 The oxygen sensor 3 is composed of an oxygen-hydrogen fuel cell that causes a constant amount of hydrogen supplied from the hydrogen storage means 2 via the flow rate regulating valve 8 to react with oxygen in the area to which oxygen is to be supplied. , which takes advantage of the fact that the electromotive force of the fuel cell changes in response to changes in the amount of oxygen. Oxygen is supplied to the oxygen sensor 3 by either natural ventilation of the air in the area to which oxygen is to be supplied or by forced ventilation using an appropriate fan.
電解制御装置４は、例えば、上記酸素センサ３
の出力を基準電圧と比較する比較回路と、該比較
回路の出力により電解制御装置１の電源をオンオ
フ又は電流を増減する制御回路とを有して成り、
酸素を供給すべき領域の酸素濃度の変化に対応し
て電解を制御する。 The electrolysis control device 4 includes, for example, the oxygen sensor 3
A comparison circuit that compares the output of the electrolysis control device 1 with a reference voltage, and a control circuit that turns on and off the power of the electrolysis control device 1 or increases or decreases the current according to the output of the comparison circuit,
Electrolysis is controlled in response to changes in oxygen concentration in the area to which oxygen is to be supplied.
次に、本発明酸素供給装置の動作について説明
する。 Next, the operation of the oxygen supply apparatus of the present invention will be explained.
今、電解装置１を定常的に運転しているものと
する。ここで、水素貯蔵手段２内にて水素圧力が
所定範囲であれば、三方向弁５は、排気ポートに
なつて、電解装置１からの水素は外部に放出され
る。そして、酸素センサ３には、該水素貯蔵手段
２から吸蔵された水素が放出されて供給される。
一方、水素貯蔵手段２内の水素が枯渇して圧力が
降下すると、圧力センサ７により検知され、弁制
御装置６により三方向弁５を供給ポートに切換駆
動する。これにより、電解装置１からの水素が水
素貯蔵手段２に供給される。供給された水素は、
その一部が流量調整弁８を介して一定流量で酸素
センサ３に供給され、他は、水素貯蔵手段２に吸
蔵される。水素の吸蔵が飽和状態に達すると、圧
力センサ７により検知され、弁制御装置６により
三方向弁５が排気ポートに切換えられる。 Assume that the electrolyzer 1 is now being operated steadily. Here, if the hydrogen pressure within the hydrogen storage means 2 is within a predetermined range, the three-way valve 5 becomes an exhaust port, and hydrogen from the electrolyzer 1 is discharged to the outside. Then, the hydrogen stored in the hydrogen storage means 2 is released and supplied to the oxygen sensor 3.
On the other hand, when the hydrogen in the hydrogen storage means 2 is depleted and the pressure drops, this is detected by the pressure sensor 7, and the valve control device 6 switches the three-way valve 5 to the supply port. Thereby, hydrogen from the electrolyzer 1 is supplied to the hydrogen storage means 2. The supplied hydrogen is
A part of the hydrogen is supplied to the oxygen sensor 3 at a constant flow rate via the flow rate adjustment valve 8, and the rest is stored in the hydrogen storage means 2. When the hydrogen storage reaches a saturated state, it is detected by the pressure sensor 7, and the three-way valve 5 is switched to the exhaust port by the valve control device 6.
この状態において、酸素を供給すべき領域の酸
素濃度が低下して酸素センサ３の起動力が低下す
ると、電解制御装置４にて該起電力の低下分に対
応して電解電流を増大させ、酸素センサ３の出力
が予め定めた酸素濃度に対応する値となるように
する。一方、酸素濃度が高くなり過ぎた場合に
は、上記とは逆に、酸素センサ３の出力の増加分
に対応して電解電流を減少せしめる。これによ
り、目的領域における酸素濃度を一定に保持し得
る。 In this state, when the oxygen concentration in the area to which oxygen is to be supplied decreases and the starting force of the oxygen sensor 3 decreases, the electrolytic control device 4 increases the electrolytic current in accordance with the decrease in the electromotive force, The output of the sensor 3 is set to a value corresponding to a predetermined oxygen concentration. On the other hand, when the oxygen concentration becomes too high, contrary to the above, the electrolytic current is decreased in accordance with the increase in the output of the oxygen sensor 3. Thereby, the oxygen concentration in the target area can be maintained constant.
上述した動作は、アナログ制御の場合である
が、電解装置１をオンオフ制御することも勿論可
能である。 Although the above-mentioned operation is a case of analog control, it is of course possible to control the electrolysis device 1 to turn it on and off.
又、上述した実施例では、水素貯蔵手段２とし
て金属水素化合物を容器に充填したものを用いた
が、生成される水素を圧縮して容器内に貯蔵する
構成としてもよい。更に、複数の水素貯蔵手段を
弁操作により適宜切換えて使用する構成としても
よい。 Further, in the above-described embodiment, a container filled with a metal hydride compound was used as the hydrogen storage means 2, but a structure may be adopted in which the generated hydrogen is compressed and stored in the container. Furthermore, a configuration may be adopted in which a plurality of hydrogen storage means are appropriately switched and used by operating a valve.
以上説明したように本発明は、電解装置にて生
成される水素の一部を貯蔵する水素貯蔵手段と、
該水素貯蔵手段から放出される水素と目的領域の
酸素とを反応させて酸素濃度を検出する酸素セン
サとを備えて、該酸素センサの出力に応じて電解
装置の電解量を制御することにより、需要に対応
した量の酸素を供給できて、酸素濃度を過不足な
しに略一定レベルに維持できると共に、電解電力
の消費を減少させることができる効果がある。 As explained above, the present invention provides hydrogen storage means for storing a portion of hydrogen produced in an electrolyzer;
By comprising an oxygen sensor that detects the oxygen concentration by reacting hydrogen released from the hydrogen storage means with oxygen in the target area, and controlling the amount of electrolysis of the electrolyzer according to the output of the oxygen sensor, It is possible to supply an amount of oxygen corresponding to the demand, maintain the oxygen concentration at a substantially constant level without excess or deficiency, and reduce the consumption of electrolytic power.
第１図は本発明酸素供給装置の一実施例を示す
構成図である。
１……電解装置、２……水素貯蔵手段、３……
酸素センサ、４……電解制御装置、５……三方向
弁、６……弁制御装置、７……圧力センサ、８…
…流量調整弁、９……逆止弁。
FIG. 1 is a block diagram showing an embodiment of the oxygen supply apparatus of the present invention. 1... Electrolyzer, 2... Hydrogen storage means, 3...
Oxygen sensor, 4... Electrolytic control device, 5... Three-way valve, 6... Valve control device, 7... Pressure sensor, 8...
...Flow rate adjustment valve, 9...Check valve.
Claims (1)
素を供給すべき領域の酸素濃度を検出する酸素セ
ンサと、該酸素センサの出力に応じて上記電解装
置の電解を制御する電解制御装置とを備えて成る
酸素供給装置であつて、 上記電解装置にて生成される水素の一部を貯蔵
する水素貯蔵手段を備え、且つ、上記酸素センサ
として、上記水素貯蔵手段から放出される水素
と、酸素を供給すべき領域に存在する酸素とを反
応させる燃料電池を備え、該燃料電池の出力に応
じて上記電解装置の電解を制御するよう構成した
ことを特徴とする酸素供給装置。[Claims] 1. An electrolytic device that electrolyzes water to supply oxygen, an oxygen sensor that detects the oxygen concentration in a region to which oxygen is to be supplied, and an electrolytic device that performs electrolysis in the electrolytic device according to the output of the oxygen sensor. An oxygen supply device comprising an electrolytic control device for controlling the oxygen supply device, the oxygen supply device comprising a hydrogen storage means for storing a part of the hydrogen produced in the electrolytic device, and an oxygen supply device configured to control the oxygen from the hydrogen storage means as the oxygen sensor. An oxygen device comprising a fuel cell for reacting released hydrogen with oxygen present in a region to which oxygen is to be supplied, and configured to control electrolysis in the electrolyzer according to the output of the fuel cell. Feeding device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57159145A JPS5950186A (en) | 1982-09-13 | 1982-09-13 | Oxygen supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57159145A JPS5950186A (en) | 1982-09-13 | 1982-09-13 | Oxygen supply device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5950186A JPS5950186A (en) | 1984-03-23 |
| JPH032240B2 true JPH032240B2 (en) | 1991-01-14 |
Family
ID=15687234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57159145A Granted JPS5950186A (en) | 1982-09-13 | 1982-09-13 | Oxygen supply device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5950186A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2985127T3 (en) * | 2017-03-23 | 2024-11-04 | Asahi Chemical Ind | Alkaline water electrolysis system and method for producing hydrogen |
-
1982
- 1982-09-13 JP JP57159145A patent/JPS5950186A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5950186A (en) | 1984-03-23 |
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