Gas collection bottle for hydrogen production through water electrolysis

Abstract

The utility model discloses a gas collecting bottle for water electrolysis hydrogen production, which relates to the technical field of water electrolysis hydrogen production and particularly comprises a collecting bottle body, a breather valve is fixedly connected to the top of the collecting bottle body, a collecting air bag is arranged at the top of the breather valve, and a one-way gas outlet valve is arranged on one side of the top end of the collecting bottle body. The outer ring of the exhaust end of the one-way air outlet valve is movably connected with a sealing cover; an air inlet pipe is fixedly connected to the top of an inner cavity of the collecting bottle body, the air inlet end and the air outlet end of the air inlet pipe are both located outside the collecting bottle body, a magnetic suction ring is fixedly connected to the bottom of the air inlet end of the air inlet pipe, and a sealing plug is movably connected into an inner cavity of the air inlet end of the air inlet pipe. According to the gas collecting bottle for hydrogen production through water electrolysis, through the arrangement of the gas inlet pipe, when hydrogen is introduced into the gas inlet end of the gas inlet pipe, the hydrogen extrudes the sealing plug, the sealing plug can expel air in the gas inlet end of the gas inlet pipe, and the air in the gas inlet end of the gas inlet pipe is prevented from entering the hydrogen collecting cavity to be collected.

Description

TECHNICAL FIELD

[0001] The utility model relates to water electrolysis hydrogen production technical field, concretely is a kind of gas collecting bottle for water electrolysis hydrogen production. BACKGROUND

[0002] Water electrolysis hydrogen production is a kind of more convenient method for producing hydrogen gas.In the electrolytic cell filled with electrolyte, direct current is passed, and water molecules are decomposed into hydrogen and oxygen by electrochemical reaction on the electrode;Water electrolysis hydrogen production has a small yield and is widely used in laboratories.In related technologies, laboratory hydrogen production is usually collected by downward air exhaust method or drainage method, but when hydrogen is collected by downward air exhaust method, the user cannot intuitively understand the collection situation of hydrogen, and when hydrogen overflows, the user cannot discover in time, which can easily cause fire, and air in the air inlet pipeline on the gas collecting bottle can mix into hydrogen, causing impure hydrogen;Therefore, the present application provides a kind of gas collecting bottle for water electrolysis hydrogen production. UTILITY MODEL CONTENTS

[0003] The utility model provides a kind of gas collecting bottle for water electrolysis hydrogen production, solve the problem that when the hydrogen is collected by the downward air exhaust valve in the above background art, the user cannot intuitively understand the collection situation of hydrogen, and when hydrogen overflows, the user cannot discover in time, which can easily cause fire, and air in the air inlet pipeline on the gas collecting bottle can mix into hydrogen, causing impure hydrogen.

[0004] The utility model provides following technical scheme: a kind of gas collecting bottle for water electrolysis hydrogen production, including collection bottle body, the top of the collection bottle body is fixedly connected with breathing valve, the top of the breathing valve is equipped with collection air bag, the top of the one side of collection bottle body is equipped with one-way air outlet valve, the outer ring of one-way air outlet valve exhaust end is movably connected with sealing cover;The top of the inner chamber of the collection bottle body is fixedly connected with air inlet pipe, the air inlet end and the air outlet end of the air inlet pipe are located the outside of collection bottle body, the bottom of the air inlet end of the air inlet pipe is fixedly connected with magnetic attraction ring, the inner chamber of the air inlet end of the air inlet pipe is movably connected with sealing plug, the sealing plug and magnetic attraction ring are magnetically attracted, the top of the air inlet end of the air inlet pipe is equipped with exhaust pipe, the top of the inner chamber of the air inlet end of the air inlet pipe is fixedly connected with limit ring, the bottom of the limit ring is connected with sealing ring by spring one, the sealing ring is matched with exhaust pipe;

[0005] The inner chamber of the collection bottle body is movably connected with piston, the bottom of the piston is connected with the collection bottle body by spring two, the bottom end of the inner chamber of the collection bottle body is fixedly connected with positioning ring, the piston is equipped with hole groove one matched with the air inlet end of the air inlet pipe, the piston is equipped with hole groove two matched with the air outlet end of the air inlet pipe, and the inner wall of hole groove one is equipped with transition groove, the inner chamber of transition groove is movably connected with extrusion piece, and the bottom of transition groove is fixedly connected with extrusion piece by spring three;The bottom of the collection bottle body is equipped with constant pressure hole.

[0006] Preferably, the breathing valve includes a pressure relief valve and a one-way air inlet valve, the air inlet end of the pressure relief valve and the air exhaust end of the one-way air inlet valve are both located in the inner cavity of the collection bottle body, and the air exhaust end of the pressure relief valve and the air inlet end of the one-way air inlet valve are both located in the inner cavity of the collection air bag.

[0007] Preferably, a fixed disk is fixedly connected to the inner cavity of the exhaust end of the one-way exhaust valve, the fixed disk is in contact with the sealing cover, and both the fixed disk and the sealing cover are provided with air outlet holes.

[0008] Preferably, the outer surface of the sealing plug and the outer side wall of the piston are both fixedly connected with sealing gaskets.

[0009] Preferably, the inner diameter of the extrusion sheet is the same as the inner diameter of the hole groove 1, the extrusion sheet is non-circular, and when the top of the extrusion sheet is flush with the top of the piston, the distance between the extrusion sheet and the bottom of the transition groove is not less than the height value of the exhaust pipe.

[0010] Preferably, when the top of the piston contacts the top of the inner cavity of the collecting bottle, the bottom of the exhaust pipe and the bottom of the inner cavity of the transition groove are at the same height, and the top of the exhaust pipe is flush with the top of the piston.

[0011] Preferably, the outer side wall of the collecting bottle is provided with scale lines.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. The gas collecting bottle for hydrogen production by water electrolysis is provided with an air inlet pipe. When hydrogen is introduced into the air inlet end of the air inlet pipe, the hydrogen squeezes the sealing plug. The sealing plug can drive away the air in the air inlet end of the air inlet pipe, thereby preventing the air in the air inlet end of the air inlet pipe from entering the hydrogen collecting chamber and being collected.

[0014] 2. The gas collecting bottle for water electrolysis hydrogen production allows the user to directly understand the hydrogen collection status through the position of the piston. When the gas collecting bottle is full of hydrogen and it is impossible to stop injecting hydrogen into the gas collecting bottle in time, the excess hydrogen in the gas collecting bottle can be collected by the collection bag to avoid hydrogen leakage and improve the safety of the gas collecting bottle. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a front view of the structure of the utility model;

[0016] Figure 2 This is a bottom view schematic diagram of the structure of the utility model;

[0017] Figure 3 For the utility model structure Figure 1 Explosion diagram;

[0018] Figure 4 The utility model discloses a structure Figure 1 Internal schematic view

[0019] Figure 5 The utility model discloses a structure piston schematic view

[0020] Figure 6 The utility model discloses a structure air inlet pipe schematic view

[0021] Figure 7 The utility model discloses a structure air inlet pipe cross section schematic view.

[0022] In the drawing: 1, collecting bottle body; 2, air inlet pipe; 3, constant pressure hole; 4, magnetic attraction ring; 5, sealing plug; 6, one-way air outlet valve; 7, sealing cover; 8, breather valve; 9, collecting air bag; 10, fixed disc; 11, piston; 12, spring two; 13, positioning ring; 14, spring three; 15, extrusion piece; 16, limiting ring; 17, spring one; 18, sealing ring; 19, exhaust pipe. Specific implementation

[0023] The technical scheme in the embodiments of the utility model will be apparently and completely described below with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work belong to the range of protection of the utility model.

[0024] The utility model provides a kind of gas collecting bottle for water electrolysis hydrogen production, including collecting bottle body 1, collecting bottle body 1 is transparent material, its material can be high borosilicate glass, the outside wall of collecting bottle body 1 is equipped with scale line, by scale line, user can intuitively understand the hydrogen amount collected in gas collecting bottle.

[0025] The top of collecting bottle body 1 is fixedly connected with breather valve 8, the top of breather valve 8 is equipped with collecting air bag 9, breather valve 8 includes pressure relief valve and one-way air inlet valve, the air inlet end of pressure relief valve and the exhaust end of one-way air inlet valve are located in the inner cavity of collecting bottle body 1, the exhaust end of pressure relief valve and the air inlet end of one-way air inlet valve are located in the inner cavity of collecting air bag 9, by the setting of breather valve 8, when hydrogen is full, the excess hydrogen in this gas collecting bottle can be entered into the inner cavity of collecting air bag 9 by pressure relief valve, collecting air bag 9 volume expands, user can intuitively understand that hydrogen is full according to the volume of collecting air bag 9, and excess hydrogen can be avoided and directly discharged to air, and when the hydrogen amount in gas collecting bottle reduces, excess hydrogen in collecting air bag 9 can be squeezed into collecting bottle by one-way air inlet valve under the action of the resilience of collecting air bag 9.Collecting air bag 9 material can be silica gel.

[0026] The top end of the collecting bottle body 1 is provided with a one-way air outlet valve 6, the outer ring of the air outlet end of the one-way air outlet valve 6 is movably connected with a sealing cover 7, the inner cavity of the air outlet end of the one-way air outlet valve 6 is fixedly connected with a fixed disc 10, the fixed disc 10 is in contact with the sealing cover 7, and the fixed disc 10 and the sealing cover 7 are both provided with air outlet holes, the air outlet holes on the fixed disc 10 and the air outlet holes on the sealing cover 7 can be in a staggered state or an overlapping state, when the air outlet holes on the fixed disc 10 and the air outlet holes on the sealing cover 7 are in the staggered state, the hydrogen in the gas collecting bottle can be discharged through the air outlet holes, and when the air outlet holes on the fixed disc 10 and the air outlet holes on the sealing cover 7 are in the overlapping state, the hydrogen collecting cavity of the gas collecting bottle is in a sealed state, so that external air is prevented from entering the collecting cavity of the gas collecting bottle.

[0027] The inner cavity of the collecting bottle body 1 is movably connected with a piston 11, the bottom of the piston 11 is connected with the collecting bottle body 1 through a spring 12, and the bottom end of the inner cavity of the collecting bottle body 1 is fixedly connected with a positioning ring 13.

[0028] The top of the inner cavity of the collecting bottle body 1 is fixedly connected with an air inlet pipe 2, the air inlet pipe 2 has a reverse U-shaped structure, the two vertical ends of the air inlet pipe 2 are located outside the collecting bottle body 1, one vertical end of the air inlet pipe 2 is an air inlet end, the other vertical end of the air inlet pipe 2 is an air outlet end, the piston 11 is provided with a hole groove one matched with the air inlet end of the air inlet pipe 2, the piston 11 is provided with a hole groove two matched with the air outlet end of the air inlet pipe 2, and the piston 11 and the air inlet pipe 2 are in a movably connected state.

[0029] The bottom of the air inlet end of the air inlet pipe 2 is fixedly connected with a magnetic attraction ring 4, the inner cavity of the air inlet end of the air inlet pipe 2 is movably connected with a sealing plug 5, the sealing plug 5 is magnetically attracted to the magnetic attraction ring 4, the bottom of the sealing plug 5 is made of metal iron, the magnetic attraction ring 4 is made of permanent magnet, the sealing plug 5 is positionally fixed and limited through the magnetic attraction ring 4, the outer surface of the sealing plug 5 is fixedly connected with a sealing gasket, the sealing gasket is made of rubber, the sealing gasket can buffer the impact force between the sealing plug 5 and the magnetic attraction ring 4, improve the sealing property between the sealing plug 5 and the inner wall of the air inlet end of the air inlet pipe 2, and the sealing plug 5 can move downward under the action of gravity until the sealing plug 5 contacts the magnetic attraction ring 4 when the gas collecting bottle is used.

[0030] The top end of the air inlet end of the air inlet pipe 2 is provided with an exhaust pipe 19, the side wall of the exhaust pipe 19 is uniformly provided with exhaust holes, the top of the inner cavity of the air inlet end of the air inlet pipe 2 is fixedly connected with a limiting ring 16, the bottom of the limiting ring 16 is connected with a sealing ring 18 through a spring one 17, the sealing ring 18 is matched with the exhaust pipe 19, when hydrogen is introduced into the air inlet end of the air inlet pipe 2, the hydrogen extrudes the sealing plug 5, the sealing plug 5 can drive away the air in the air inlet end of the air inlet pipe 2, and when the sealing plug 5 is in contact with the bottom of the sealing ring 18, the sealing plug 5 extrudes the sealing ring 18 upwards, so that the sealing ring 18 is misaligned with the exhaust pipe 19, the hydrogen in the air inlet pipe 2 is discharged through the exhaust pipe 19, and when the introduction of hydrogen into the air inlet pipe 2 is stopped, under the action of the elastic force of the spring one 17, the sealing ring 18 is reset, the sealing ring 18 seals the exhaust pipe 19, and the sealing plug 5 moves downwards under the action of gravity until the sealing plug 5 is reset.

[0031] The outer side wall of the piston 11 is fixedly connected with a sealing gasket, the sealing property between the piston 11 and the inner wall of the collecting bottle body 1 is improved, the inner wall of the hole groove one is provided with a transition groove, the inner cavity of the transition groove is movably connected with an extrusion piece 15, and the extrusion piece 15 is fixedly connected with the bottom of the transition groove through a spring three 14; the inner diameter of the extrusion piece 15 is the same as the inner diameter of the hole groove one, the extrusion piece 15 is a non-circular ring, when the top of the extrusion piece 15 is flush with the top of the piston 11, the distance between the extrusion piece 15 and the bottom of the transition groove is not less than the height value of the exhaust pipe 19. The size of the extrusion piece 15 can be set according to requirements, which is not limited here. When the top of the piston 11 is in contact with the top of the inner cavity of the collecting bottle body 1, the bottom of the exhaust pipe 19 is at the same height as the bottom of the inner cavity of the transition groove, and the top of the exhaust pipe 19 is flush with the top of the piston 11. In this way, the hydrogen discharged from the exhaust pipe 19 can first enter the transition groove, the excess hydrogen in the transition groove extrudes the extrusion piece 15, under the action of the elastic force of the spring three 14, the piston 11 moves downwards, a hydrogen collecting cavity is formed between the piston 11 and the top of the inner cavity of the collecting bottle body 1, the exhaust pipe 19 can be exposed outside the piston 11, the hydrogen in the transition groove can be discharged into the hydrogen collecting cavity through the exhaust pipe 19, and when the height of the collected hydrogen is greater than the height value of the extrusion piece 15 exposed on the transition groove, the hydrogen extrudes the piston 11, at this time, under the action of the elastic force of the spring three 14, the extrusion piece 15 can gradually reset.

[0032] The bottom of the collecting bottle body 1 is provided with a constant pressure hole 3, which facilitates the use of the gas collecting bottle.

[0033] In summary: the water electrolysis hydrogen gas cylinder uses, electrolysis hydrogen production process of hydrogen gas through the gas inlet pipe 2 into the gas inlet pipe 2, hydrogen gas to the sealing plug 5 extrusion, sealing plug 5 can be the air in the gas inlet pipe 2 inlet end away, and sealing plug 5 and sealing ring 18 bottom contact, sealing plug 5 will extrude sealing ring 18 upwards, so that the sealing ring 18 and exhaust pipe 19 stagger, hydrogen gas in the gas inlet pipe 2 through the exhaust pipe 19, hydrogen gas from the exhaust pipe 19 can first into the transition groove, transition groove in excess of hydrogen gas extrusion piece 15, under the action of spring three 14 elastic force, piston 11 appears to move down, piston 11 and collection bottle body 1 inner cavity top between hydrogen gas collection cavity, exhaust pipe 19 can be exposed to the piston 11, hydrogen gas in the transition groove through the exhaust pipe 19 can be arranged to hydrogen gas collection cavity, when the height of the collected hydrogen gas is greater than the height value of extrusion piece 15 exposed in the transition groove, hydrogen gas will extrude piston 11, at this time under the action of spring three 14 elastic force, extrusion piece 15 can gradually reset, stop hydrogen into the gas inlet pipe 2, under the action of spring 17 elastic force, sealing ring 18 reset, sealing ring 18 to exhaust pipe 19 sealing, and sealing plug 5 under the action of gravity down, until the sealing plug 5 reset.

[0034] The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, and the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, and the machinery, parts and equipment adopt the conventional types in the prior art, which will not be described in detail, and the contents not described in detail in the specification belong to the prior art known to the person skilled in the art, although the embodiments of the utility model have been shown and described, it can be understood by the person skilled in the art that the embodiments can be changed, modified, replaced and modified in various ways without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A gas collecting bottle for producing hydrogen by water electrolysis, comprising a collecting bottle body (1), characterized in that: The top of the collecting bottle (1) is fixedly connected to a breathing valve (8), the top of the breathing valve (8) is provided with a collecting air bag (9), one side of the top of the collecting bottle (1) is provided with a one-way air outlet valve (6), the outer ring of the exhaust end of the one-way air outlet valve (6) is movably connected to a sealing cover (7); the top of the inner cavity of the collecting bottle (1) is fixedly connected to an air inlet pipe (2), the air inlet end and the air outlet end of the air inlet pipe (2) are both located outside the collecting bottle (1), and the air inlet end of the air inlet pipe (2) is movably connected to the outer ring of the air inlet valve (6). A magnetic attraction ring (4) is fixedly connected to the bottom, a sealing plug (5) is movably connected to the inner cavity of the air inlet end of the air inlet pipe (2), the sealing plug (5) and the magnetic attraction ring (4) are magnetically attracted to each other, an exhaust pipe (19) is provided at the top of the air inlet end of the air inlet pipe (2), a limiting ring (16) is fixedly connected to the top of the inner cavity of the air inlet end of the air inlet pipe (2), the bottom of the limiting ring (16) is connected to a sealing ring (18) through a spring (17), and the sealing ring (18) is adapted to the exhaust pipe (19); The inner cavity of the collecting bottle (1) is movably connected to a piston (11), the bottom of the piston (11) is connected to the collecting bottle (1) via a second spring (12), the bottom end of the inner cavity of the collecting bottle (1) is fixedly connected to a positioning ring (13), the piston (11) is provided with a first hole groove adapted to the air inlet end of the air inlet pipe (2), the piston (11) is provided with a second hole groove adapted to the air outlet end of the air inlet pipe (2), and a transition groove is provided on the inner wall of the first hole groove, the inner cavity of the transition groove is movably connected to an extrusion plate (15), the extrusion plate (15) is fixedly connected to the bottom of the transition groove via a third spring (14); the bottom of the collecting bottle (1) is provided with a constant pressure hole (3).

2. The gas collecting bottle for producing hydrogen by water electrolysis according to claim 1, characterized in that: The breathing valve (8) comprises a pressure relief valve and a one-way air inlet valve, the air inlet end of the pressure relief valve and the air exhaust end of the one-way air inlet valve are both located in the inner cavity of the collection bottle (1), and the air exhaust end of the pressure relief valve and the air inlet end of the one-way air inlet valve are both located in the inner cavity of the collection air bag (9).

3. The gas collecting bottle for producing hydrogen by water electrolysis according to claim 1, characterized in that: A fixed disk (10) is fixedly connected to the inner cavity of the exhaust end of the one-way exhaust valve (6), the fixed disk (10) is in contact with the sealing cover (7), and both the fixed disk (10) and the sealing cover (7) are provided with exhaust holes.

4. The gas collecting bottle for producing hydrogen by water electrolysis according to claim 1, characterized in that: The outer surface of the sealing plug (5) and the outer side wall of the piston (11) are both fixedly connected with sealing gaskets.

5. The gas collecting bottle for producing hydrogen by water electrolysis according to claim 1, characterized in that: The inner diameter of the extrusion sheet (15) is the same as the inner diameter of the hole groove 1. The extrusion sheet (15) is non-circular. When the top of the extrusion sheet (15) is flush with the top of the piston (11), the distance between the extrusion sheet (15) and the bottom of the transition groove is not less than the height value of the exhaust pipe (19).

6. The gas collecting bottle for producing hydrogen by water electrolysis according to claim 1, characterized in that: When the top of the piston (11) contacts the top of the inner cavity of the collecting bottle (1), the bottom of the exhaust pipe (19) and the bottom of the inner cavity of the transition groove are at the same height, and the top of the exhaust pipe (19) is flush with the top of the piston (11).

7. The gas collecting bottle for producing hydrogen by water electrolysis according to claim 1, characterized in that: The outer side wall of the collecting bottle (1) is provided with scale lines.

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