CN209591257U - A kind of hydrogen-oxygen fuel cell demonstration device - Google Patents
A kind of hydrogen-oxygen fuel cell demonstration device Download PDFInfo
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- CN209591257U CN209591257U CN201920038999.7U CN201920038999U CN209591257U CN 209591257 U CN209591257 U CN 209591257U CN 201920038999 U CN201920038999 U CN 201920038999U CN 209591257 U CN209591257 U CN 209591257U
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Abstract
The utility model belongs to instructional device technical field, is related to a kind of hydrogen-oxygen fuel cell demonstration device, including bracket, electrolytic cell, electrode chamber and panel；Bracket includes pedestal, support plate and two cross bars, and multiple grooves are equipped in the middle part of base top surface, and sliding is equipped with telescopic rod on cross bar, and clip is connected on telescopic rod, and sliding is connected with panel in support plate；Electrode chamber includes outer tube, push-pull rod and piston, clip is removably clamped on the outer wall of outer tube, sliding is equipped with piston in outer tube, top land is connected with push-pull rod, piston base is connected with foam nickel electrode, the push-pull rod other end is equipped with drawing handle, and drawing handle is equipped with electrode terminal, and electrode terminal is electrically connected by the conducting wire through push-pull rod with foam nickel electrode；Panel is equipped with battery case, a pair of of power -line terminal, switch, load and a pair of of circuit connection column, and power -line terminal and battery case are electrically connected.The utility model structure is simple, easy to use, good demonstration effect, high recycling rate.
Description
Technical field
The utility model relates to instructional device technical field, specially a kind of hydrogen-oxygen fuel cell demonstration device.
Background technique
Fuel cell is a kind of chemical cell, and the energy released when it is chemically reacted using substance is directly become
It is changed to electric energy.In terms of this point, it is similar that it is with other chemical cells such as zinc-manganse dioxide dry cell, lead storage battery etc..But its work
It is needed continuously when making to its supply response substance --- fuel and oxidant, this is again and other general chemistry batteries little one
Sample.Since it is that fuel is become power output by the energy that chemical reaction releases, so referred to as fuel cell.Specifically
It says, fuel cell is " generator " using the back reaction of the electrolysis of water.It is by anode, cathode and the electricity being clipped among positive and negative anodes
Solution scutum is formed.
In the study of fuel cell, simple picture can not make student's direct feel, the study of student plus explanation
Effect is poor, and existing apparatus for demonstrating is mostly to form simple fuel cell by placing electrode connection load in beaker, either
Use research articles, but using simple fuel cell when needs using platinum electrode, cost is relatively high, and beaker is open knot
Structure is unfavorable for the storage of gas and coming into full contact with for pole plate and electrolyte solution, and demonstrating effect is poor；Study articles cost compared with
Height, volume is larger, is not suitable for lecture experiment.
Utility model content
The purpose of this utility model is that for the problem of demonstrating effect difference existing for existing fuel cell demonstration device,
A kind of hydrogen-oxygen fuel cell demonstration device is provided.
To achieve the goals above, the technical solution that the application uses are as follows: a kind of hydrogen-oxygen fuel cell demonstration device, including branch
Frame, electrolytic cell, electrode chamber and panel；
Bracket includes the pedestal of rectangular parallelepiped structure, the support plate for being set to pedestal arranged on left and right sides and is located above pedestal
Front and rear sides and two cross bars connecting with support plate, base top surface middle part are provided with multiple grooves for being used to place electrolytic cell,
Sliding is provided with more telescopic rods on two cross bars, and telescopic rod is located between two cross bars and is horizontally oriented, telescopic rod
One end far from cross bar is connected with clip, slidably connects panel in support plate；
Electrode chamber includes outer tube, push-pull rod and piston, and clip is removably clamped on the outer wall of outer tube, and outer tube lower end is opened
Mouthful, and internal slide is provided with piston, top land is connected with the push-pull rod through outer tube, and piston base is connected with nickel foam electricity
Pole, the other end of push-pull rod are provided with drawing handle, embedded electrode terminal, electrode terminal are provided on drawing handle
It is electrically connected by the conducting wire through push-pull rod and piston with foam nickel electrode；
Battery case, a pair of of power -line terminal, switch, load and a pair of of circuit connection column, power supply wiring are provided on panel
Column and battery case are electrically connected, and load is set between circuit connection column, and load is electrically connected with circuit connection column.
The utility model is also characterized by
Wherein, it is provided with the slideway of vertical direction on the opposite side of two support plates, panel two sides are provided with can be with
The protrusion that slideway is slidably connected, support plate are slidably connected with panel by slideway and protrusion.
Wherein, it is tightly connected between groove top edge and electrolytic cell by sealing ring, the inner ring of sealing ring is around setting
Having multiple longitudinal sections is the card base of right-angled trapezium.
Wherein, outer tube is transparent polyfluortetraethylene pipe, is provided with scale on the outer wall of outer tube.
Wherein, switch includes two single-pole single-throw switch (SPST)s, one of switch and a pair of of power -line terminal respectively with switch
And electrode terminal is electrically connected and constitutes circuit, another switch and another electrode terminal and a pair of of circuit connection column
It is electrically connected and constitutes circuit.
Wherein, switch includes a double-point double-throw switch, two wiring with switch one end respectively of a pair of of power -line terminal
End is electrically connected, and two terminals of the electrode terminal respectively with switch middle part are electrically connected, and switchs two wiring of the other end
End is electrically connected with a pair of of circuit connection column respectively.
Wherein, load includes the multiple light emitting diodes being set side by side, and each diode both ends are provided with corresponding wiring
Column, multiple light emitting diodes can be in series or in parallel.
Wherein, it is provided on the circuit between circuit connection column and switch a pair of for connecting the voltmeter wiring of voltmeter
Column and a pair of ammeter wiring column for being used to connect ammeter.
Wherein, electrolytic cell is rectangular parallelepiped structure or cylindrical structure, and electrolytic cell is transparent quartzy electrolytic cell.
Compared with prior art, the utility model has the beneficial effects that 1, the utility model uses hollow edged electrode room, it can
Hydrogen and oxygen that electrolysis water generates are stored, and two kinds of gases will not mix；2, the utility model is made using porous nickel foam
For electrode material, concentration of electrolyte solutions can reduce, shorten the gas time processed, promote electric current, and can adsorb more gases
Raw material, experimental demonstration effect are good；3, the utility model can be realized series-fed by the setting of multiple grooves, be conducive to learn
Raw visual understanding series connection electrolysis knowledge content, the relationship of the amount of understanding Different electrodes gas, the relationship of identical electrodes gas flow, and
Pole plate corresponding to series connection electrolysis can be judged rapidly.In addition, series connection is capable of increasing electric current, Enhancement test effect；4, this is practical new
Type, as power supply, can select the number of battery using battery pack according to actual needs；5, the utility model structure is simple, carries
It is convenient, dismantle, high recycling rate simple with assembling process.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of hydrogen-oxygen fuel cell demonstration device of the utility model；
Fig. 2 is the structural schematic diagram of telescopic rod and clip in a kind of hydrogen-oxygen fuel cell demonstration device of the present invention.
In figure: 1, bracket；2, electrolytic cell；3, electrode chamber；4, panel；5, pedestal；6, support plate；7, cross bar；8, telescopic rod；
9, clip；10, outer tube；11, push-pull rod；12, piston；13, foam nickel electrode；14, electrode terminal；15, battery case；16, electric
Source binding post；17, it switchs；18, it loads；19, circuit connection column.
Specific embodiment
Below with reference to the attached drawing in the utility model embodiment, to a specific embodiment of the utility model carry out into
The description of one step.To be provided with the face of electric elements on panel as front in the utility model.
As depicted in figs. 1 and 2, a kind of hydrogen-oxygen fuel cell demonstration device, including bracket 1, electrolytic cell 2, electrode chamber 3 and panel
4, electrolytic cell 2 is reacted for placing electrolyte and electrode chamber 3, electrode chamber 3 for carrying out electrolysis water reaction and hydrogen-oxygen fuel cell,
Panel 4 is for placing other elements；
The pedestal 5 of bracket 1 including rectangular parallelepiped structure, the support plate 6 for being set to 5 arranged on left and right sides of pedestal and it is located at pedestal 5
Top front and rear sides and two cross bars 7 connecting with support plate 6,5 top surface of pedestal middle part are provided with multiple for placing electrolytic cell
2 groove, sliding is provided with more telescopic rods 8 on two cross bars 7, and telescopic rod 8 is located between two cross bars 7 and is in level side
To one end of the separate cross bar 7 of telescopic rod 8 is connected with clip 9, panel 4 is slidably connected in support plate 6, groove is for placing
Electrolytic cell 2, multiple groove settings can be used for placing multiple electrolytic cells 2 and pass through in the demonstration about hydrogen-oxygen fuel cell herein
Multiple electrolytic cells 2 are connected, to make student intuitively understand series connection electrolysis related content, support plate 6 is for connecting panel 4, cross bar 7
For connection electrode room 3, multiple electrodes room 3 can be put into an electrolytic cell 2 by the setting of cross bar 7；
Electrode chamber 3 includes outer tube 10, push-pull rod 11 and piston 12, and clip 9 is removably clamped on the outer wall of outer tube 10,
10 lower ending opening of outer tube, and internal slide is provided with piston 12, and the push-pull rod 11 through outer tube 10 is connected at the top of piston 12, it is living
It fills in 12 bottoms and is connected with foam nickel electrode 13, the other end of push-pull rod 11 is provided with drawing handle, is provided on drawing handle
Embedded electrode terminal 14, electrode terminal 14 pass through 13 electricity of conducting wire and foam nickel electrode through push-pull rod 11 and piston 12
Property connection, in use, the bottom for the outer tube 10 for first pushing piston 12, electrode chamber 3 is put into electrolytic cell 2, and make to be electrolysed
Liquid did not had electrode chamber 3, then twitches push-pull rod 11, piston 12 is made to be in the top of electrode chamber 3, and foam nickel electrode 13 is complete at this time
It is placed in outer tube 10, the hydrogen and oxygen that electrolysis water generates can be collected by drainage；
Battery case 15, a pair of of power -line terminal 16, switch 17, load 18 and a pair of of circuit connection column are provided on panel 4
19, power -line terminal 16 and battery case 15 are electrically connected, and load 18 is set between circuit connection column 19, and load 18 connects with circuit
Terminal 19 is electrically connected.
Wherein, the slideway of vertical direction is provided on the opposite side of two support plates 6,4 two sides of panel are provided with can
The protrusion being slidably connected with slideway, support plate 6 are slidably connected with panel 4 by slideway and protrusion.Wherein, groove top edge with
It is tightly connected between electrolytic cell 2 by sealing ring, the inner ring of sealing ring is surrounded with the use that multiple longitudinal sections are right-angled trapezium
In the card base for strengthening fixed effect.
Wherein, outer tube 10 is transparent polyfluortetraethylene pipe, is provided with scale on the outer wall of outer tube 10.
Wherein, switch 17 includes two single-pole single-throw switch (SPST)s, one of switch 17 and a pair of power -line terminal 16 and
Electrode terminal 14, which is electrically connected, constitutes circuit, another switch 17 and electrode terminal 14 and a pair of of 19 electricity of circuit connection column
Property connection and constitute circuit.
Wherein, switch 17 include a double-point double-throw switch, a pair of of power -line terminal 16 respectively with 17 one end of switch two
A terminals are electrically connected, and two terminals of the electrode terminal 14 respectively with 17 middle part of switch are electrically connected, and switch 17 is another
Two terminals at end are electrically connected with a pair of of circuit connection column 19 respectively.
Wherein, load 18 includes the multiple light emitting diodes being set side by side, and each diode both ends are provided with corresponding connect
Terminal, multiple light emitting diodes can be in series or in parallel.
Wherein, it is provided on the circuit between circuit connection column 19 and switch 17 a pair of for connecting the voltmeter of voltmeter
Binding post and a pair of ammeter wiring column for being used to connect ammeter.
Wherein, electrolytic cell 2 is rectangular parallelepiped structure or cylindrical structure, and electrolytic cell is transparent quartzy electrolytic cell.
When it is implemented, if switch is comprising two single-pole single-throw switch (SPST)s, a switch 17 and a pair of of power -line terminal
16 and electrode terminal 14 be electrically connected and constitute circuit, another switch 17 and electrode terminal 14 and a pair of circuit connection
Column 19 is electrically connected and constitutes circuit, that is, constitutes two circuits；First by electrode terminal 14 and power -line terminal 16 with
And switch 17 is sequentially connected, and electrolyte solution is added into electrolytic cell 2 first, and piston 12 is pushed into outer tube 10 using push-pull rod 11
The top that push-pull rod 11 makes piston 12 be in outer tube 10, that is, portion after protruding into electrode chamber in electrolytic cell 2, are twitched in bottom
Divide electrolyte solution to carry out in electrode chamber 3, then will connect power -line terminal and the single-pole single-throw switch (SPST) of electrode terminal is closed,
Another single-pole single-throw switch (SPST) is still opened, and is then turned on the switch 17 and is carried out electrolysis water test, the hydrogen that electrolysis water generates at this time
Pass through drainage respectively with oxygen to enter in electrode chamber 3, student can be with the generation process of direct feel hydrogen and oxygen at this time
And proportionate relationship.After collecting a certain amount of hydrogen and oxygen, the switch of the former circuit is disconnected, by another hilted broadsword list
Throw switch closure, that is, by electrode terminal 14 and power -line terminal 16, switch 17 and load 18 and circuit connection column 19
It is sequentially connected connection, the lumination of light emitting diode in 18 is loaded at this time, completes the demonstration of hydrogen-oxygen fuel cell.
If switch is double-point double-throw switch, a pair of of power -line terminal 16 two terminals electricity with 17 one end of switch respectively
Property connection, the two terminals electric connection with the middle part of switch 17 respectively of electrode terminal 14, two of 17 other end of switch connect
Line end is electrically connected with a pair of of circuit connection column 19 respectively；Electrolyte solution is added into electrolytic cell 2 first, uses push-pull rod 11
Piston 12 is pushed into 10 bottom of outer tube, after electrode chamber is protruded into electrolytic cell 2, twitching push-pull rod 11 makes piston 12 be in outer tube
10 top, that is, partial electrolyte solution carry out that double-point double-throw switch 17 is got to connection power -line terminal in electrode chamber 3
16 side, electrolysis water circuit communication carry out electrolysis water test at this time, and the hydrogen and oxygen that electrolysis water generates pass through draining respectively
Method enters in electrode chamber 3, and student can be with the generation process and proportionate relationship of direct feel hydrogen and oxygen at this time.Work as collection
After a certain amount of hydrogen and oxygen, double-point double-throw switch 17 is got to the side of link circuit binding post 19, by electrode connection
Column 14 is connected to load 18 and circuit connection column 19, loads the lumination of light emitting diode in 18 at this time, completes hydrogen-oxygen fuel electricity
The demonstration in pond.
Disclosed above is only specific embodiment of the utility model, but the utility model embodiment is not limited to
This, the changes that any person skilled in the art can think of should all fall into the protection scope of the utility model.
Claims (9)
1. a kind of hydrogen-oxygen fuel cell demonstration device, which is characterized in that including bracket (1), electrolytic cell (2), electrode chamber (3) and panel
(4)；
The bracket (1) includes the pedestal (5) of rectangular parallelepiped structure, the support plate (6) for being set to the pedestal (5) arranged on left and right sides
And it is located at front and rear sides and two cross bars (7) connecting with the support plate (6) above pedestal (5), pedestal (5) top
Middle face is provided with multiple grooves for being used to place the electrolytic cell (2), and sliding is provided with more and stretches on two cross bars (7)
Contracting bar (8), the telescopic rod (8) are located between two cross bars (7) and are horizontally oriented, the telescopic rod (8) it is remote
One end from the cross bar (7) is connected with clip (9), slidably connects the panel (4) on the support plate (6)；
The electrode chamber (3) includes outer tube (10), push-pull rod (11) and piston (12), and the clip (9) is removably clamped in
On the outer wall of the outer tube (10), outer tube (10) lower ending opening, and internal slide is provided with the piston (12), the work
The push-pull rod (11) through the outer tube (10) is connected at the top of plug (12), piston (12) bottom is connected with foam nickel electrode
(13), the other end of the push-pull rod (11) is provided with drawing handle, and embedded electrode is provided on the drawing handle and is connect
Terminal (14), the electrode terminal (14) pass through the conducting wire and the bubble through the push-pull rod (11) and the piston (12)
Foam nickel electrode (13) is electrically connected；
Battery case (15), a pair of of power -line terminal (16), switch (17), load (18) and a pair are provided on the panel (4)
Circuit connection column (19), the power -line terminal (16) and the battery case (15) are electrically connected, and the load (18) is set to
Between the pair of circuit connection column (19), the load (18) and the circuit connection column (19) are electrically connected.
2. a kind of hydrogen-oxygen fuel cell demonstration device as described in claim 1, which is characterized in that two support plate (6) phases
Pair side on be provided with the slideway of vertical direction, panel (4) two sides are provided with and can be slidably connected with the slideway
Protrusion, the support plate (6) are slidably connected with the panel (4) by slideway and protrusion.
3. a kind of hydrogen-oxygen fuel cell demonstration device as described in claim 1, which is characterized in that the groove top edge and institute
It states and is tightly connected between electrolytic cell (2) by sealing ring, it is right angle that the inner ring of the sealing ring, which is surrounded with multiple longitudinal sections,
Trapezoidal card base.
4. a kind of hydrogen-oxygen fuel cell demonstration device as described in claim 1, which is characterized in that the outer tube (10) is transparent
Polyfluortetraethylene pipe is provided with scale on the outer wall of the outer tube (10).
5. a kind of hydrogen-oxygen fuel cell demonstration device as described in claim 1, which is characterized in that the switch (17) includes two
Single-pole single-throw switch (SPST), one of them described switch (17) and a pair of power -line terminal (16) and the electrode terminal
(14) it is electrically connected and constitutes circuit, another described switch (17) and the electrode terminal (14) and a pair of circuit
Binding post (19) is electrically connected and constitutes circuit.
6. a kind of hydrogen-oxygen fuel cell demonstration device as described in claim 1, which is characterized in that the switch (17) includes one
Double-point double-throw switch, two terminals of a pair of power -line terminal (16) respectively with described switch (17) one end electrically connect
It connects, the electrode terminal (14) is electrically connected with two terminals in the middle part of the switch (17) respectively, the switch (17)
Two terminals of the other end are electrically connected with a pair of circuit connection column (19) respectively.
7. a kind of hydrogen-oxygen fuel cell demonstration device as claimed in claim 5, which is characterized in that the load (18) includes arranged side by side
The multiple light emitting diodes being arranged, each diode both ends are provided with corresponding binding post, multiple light emitting diodes
It can be in series or in parallel.
8. a kind of hydrogen-oxygen fuel cell demonstration device as described in claim 1, which is characterized in that the circuit connection column (19) with
A pair of voltmeter binding post for connecting voltmeter and a pair are provided on circuit between the switch (17) for connecting
The ammeter wiring column of ammeter.
9. a kind of hydrogen-oxygen fuel cell demonstration device as described in claim 1, which is characterized in that the electrolytic cell (2) is rectangular
Body structure or cylindrical structure, the electrolytic cell are transparent quartzy electrolytic cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920038999.7U CN209591257U (en) | 2019-01-09 | 2019-01-09 | A kind of hydrogen-oxygen fuel cell demonstration device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920038999.7U CN209591257U (en) | 2019-01-09 | 2019-01-09 | A kind of hydrogen-oxygen fuel cell demonstration device |
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| Publication Number | Publication Date |
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| CN209591257U true CN209591257U (en) | 2019-11-05 |
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| CN201920038999.7U Active CN209591257U (en) | 2019-01-09 | 2019-01-09 | A kind of hydrogen-oxygen fuel cell demonstration device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109509393A (en) * | 2019-01-09 | 2019-03-22 | 张欣苹 | A kind of hydrogen-oxygen fuel cell demonstration device |
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2019
- 2019-01-09 CN CN201920038999.7U patent/CN209591257U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109509393A (en) * | 2019-01-09 | 2019-03-22 | 张欣苹 | A kind of hydrogen-oxygen fuel cell demonstration device |
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