CN212084470U - Hydrogen-oxygen fuel cell demonstration device - Google Patents
Hydrogen-oxygen fuel cell demonstration device Download PDFInfo
- Publication number
- CN212084470U CN212084470U CN202020435175.6U CN202020435175U CN212084470U CN 212084470 U CN212084470 U CN 212084470U CN 202020435175 U CN202020435175 U CN 202020435175U CN 212084470 U CN212084470 U CN 212084470U
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- Prior art keywords
- fuel cell
- hydrogen
- water electrolysis
- power supply
- demonstration device
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- 239000000446 fuel Substances 0.000 title claims abstract description 87
- 239000001301 oxygen Substances 0.000 title claims abstract description 25
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 25
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000001257 hydrogen Substances 0.000 claims abstract description 11
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 11
- 239000007789 gas Substances 0.000 claims abstract description 9
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
Images
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- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Fuel Cell (AREA)
Abstract
The utility model provides a hydrogen-oxygen fuel cell demonstration device, belonging to the teaching appliance field, comprising an electrolytic water device and a fuel cell which are mutually communicated, wherein two fuel cells are arranged, and the two fuel cells are connected in parallel; the cathode of the water electrolysis device is respectively communicated with the cathodes of the two fuel cells through a first gas guide pipe so as to convey hydrogen to the cathodes of the fuel cells; the anode of the water electrolysis device is communicated with the anode of one of the fuel cells through a second air duct, and the other fuel cell is provided with an air inlet for air to enter. The utility model discloses a two parallelly connected fuel cell are great as the electricity generation module, and the electric current of production, and then shorten the time that the demonstration experiment consumeed to improve teaching efficiency.
Description
Technical Field
The utility model belongs to the teaching aid field, concretely relates to oxyhydrogen fuel cell presentation device.
Background
The hydrogen-oxygen fuel cell is a power generation device which takes hydrogen as a reducing agent and oxygen as an oxidizing agent, and converts chemical energy into electric energy through the oxidation-reduction reaction of the hydrogen and the oxygen under the catalysis of a catalyst. Because the structure of the fuel cell is complex, students are difficult to understand during learning in teaching, and therefore, a hydrogen-oxygen fuel cell demonstration device is available on the market at present to help the students understand.
In the course of implementing the present invention, the inventors found that the existing fuel cell demonstration device has at least the following disadvantages:
the existing fuel cell demonstration device is mostly a single power generation module, the generated current is small, the time consumed by the demonstration experiment is longer, and the teaching efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
Based on the above background problem, the utility model aims at providing a oxyhydrogen fuel cell presentation device adopts parallelly connected power module group to generate electricity, and it is little to have solved the generated current that prior art exists, and the demonstration experiment consumes time long defect.
In order to achieve the above object, the embodiment of the present invention provides a technical solution:
the hydrogen-oxygen fuel cell demonstration device comprises an electrolytic water device and two fuel cells which are communicated with each other, wherein the two fuel cells are connected in parallel.
In one embodiment, the water electrolysis device is powered by a power supply, wherein the power supply comprises a main power supply and a secondary power supply which are connected in parallel, and the main power supply is electrically connected with a voltage-adjustable transformer to convert alternating current into direct current; the secondary power supply is direct current.
In one embodiment, the water electrolysis device is connected with an ammeter in series and is also connected with a voltmeter in parallel.
In one embodiment, the cathode of the water electrolysis device is respectively communicated with the cathodes of the two fuel cells through first gas guide pipes so as to convey hydrogen to the cathodes of the fuel cells; the anode of the water electrolysis device is communicated with the anode of one of the fuel cells through a second air duct, and the other fuel cell is provided with an air inlet for air to enter.
Preferably, the first gas-guide tube is provided with a regulating plug to control the flow rate of the hydrogen.
Preferably, the two fuel cells are provided with drain holes, and the drain holes are communicated with a drain pipe.
In one embodiment, the output end of the fuel cell is electrically connected with an electrical appliance, and the electrical appliance comprises a low-power motor fan and a high-power motor fan.
In one embodiment, the water electrolysis device adopts a platinum sheet electrode.
In one embodiment, the water electrolysis device, the fuel cell, and the electrical consumer are secured to a mounting bracket.
Preferably, the mounting bracket is of an inverted T-shaped structure.
Compared with the prior art, the embodiment of the utility model provides a have following effect at least:
1. the utility model discloses a two parallelly connected fuel cell are great as the electricity generation module, and the electric current of production, and then shorten the time that the demonstration experiment consumeed to improve teaching efficiency.
2. The utility model adopts the parallel main power supply and the auxiliary power supply to supply power for the water electrolysis device, and can adopt the direct auxiliary power supply to supply power when the main power supply of alternating current has power failure, thereby facilitating the use.
3. The utility model discloses the ammeter establishes ties on the brineelectrolysis device, parallelly connected voltmeter can realize the visual of the voltage and the electric current of brineelectrolysis, and the student of being convenient for observes.
4. The utility model discloses can control gaseous velocity of flow through the regulation stopper that sets up on the air duct or through the voltage adjustable transformer on the main power supply to the control is with the in service behavior of electrical apparatus, and the student of being convenient for observes experimental phenomenon.
5. The water electrolysis device, the fuel cell and the electric appliance of the utility model are all fixed on the mounting rack, which is convenient to carry and simple to use.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.
FIG. 1 is a schematic structural view of a hydrogen-oxygen fuel cell demonstration device in embodiment 1 of the present invention;
FIG. 2 is a schematic structural view of a hydrogen-oxygen fuel cell demonstration device in embodiment 2 of the present invention;
FIG. 3 is a schematic diagram showing the electrical connection between the power source and the water electrolysis apparatus in embodiment 2 of the present invention;
fig. 4 is a schematic diagram of a circuit connection between a fuel cell and an electrical appliance in embodiment 2 of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "top", "bottom", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings of the specification, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. It should be further noted that the description of the terms "first," "second," etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated.
Example 1
In order to solve the defect that the current of the existing demonstration device is small, the embodiment provides a hydrogen-oxygen fuel cell demonstration device, as shown in fig. 1, including electrolysis device 1, fuel cell and with electrical apparatus 6, electrolysis device 1, fuel cell and all fix on the mounting bracket with electrical apparatus, the mounting bracket in this embodiment is the type of falling T structure, including base 2 and perpendicular rigid coupling in backplate 201 on base 2, electrolysis device 1 and fuel cell fix on base 2, fix on backplate 201 with electrical apparatus. It should be noted that the structure of the mounting bracket and the arrangement of the components are not limited to this.
In the present embodiment, as shown in fig. 1, the fuel cells are provided with two sets, respectively referred to as a first fuel cell 3 and a second fuel cell 4, and the first fuel cell 3 and the second fuel cell 4 are connected in parallel by a lead.
In order to realize the supply of hydrogen and oxygen for the fuel cell, as shown in fig. 1, the cathode of the water electrolysis device 1 is communicated with a first gas guide pipe 301, an output end of the first gas guide pipe 301 is divided into two paths, which are respectively identified as a first gas distribution pipe 302 and a second gas distribution pipe 303, the first gas distribution pipe 302 is communicated with the cathode of the first fuel cell 3, and the second gas distribution pipe 303 is communicated with the cathode of the second fuel cell 4, so as to deliver the hydrogen generated by the cathode of the water electrolysis device 1 to the cathode of the fuel cell.
The anode of the water electrolysis device 1 is communicated with a second gas-guide pipe 304, and the second gas-guide pipe 304 is communicated with the anode of the first fuel cell 3 so as to convey oxygen generated at the anode of the water electrolysis device 1 to the anode of the first fuel cell 3; the oxygen of the second fuel cell 4 in this embodiment is derived from air, so that an air intake hole is formed in the second fuel cell 4, and the air intake hole in this embodiment is disposed on the back surface of the second fuel cell 4.
In the present embodiment, as shown in fig. 1, the first fuel cell 3 and the second fuel cell 4 are further provided with a drain hole, and a drain pipe 305 is communicated with each of the drain holes.
In order to regulate the hydrogen flow rate, the first air duct 301 of this embodiment is provided with an adjusting valve 5, and the adjusting valve 5 has a conventional structure, which is the same as the structure of the flow rate regulator on the infusion tube, so the detailed description of the specific structure of this embodiment is omitted.
In this embodiment, the first fuel cell 3 and the second fuel cell 4 are electrically connected to the electrical load 6 after being connected in parallel, and the electrical load 6 in this embodiment is a motor fan.
In the embodiment, the water electrolysis device 1 adopts a platinum sheet electrode, can be repeatedly used for multiple times, prolongs the service life of the water electrolysis device 1, and is powered by direct current or alternating current; in order to realize the visualization of the current and the voltage of the water electrolysis device, the water electrolysis device is connected with an ammeter 7 in series and is also connected with a voltmeter in parallel (not shown in the figure).
In the embodiment, in order to enhance the conductivity of water in the water electrolysis device 1, the solution is prepared into a dilute sulfuric acid solution with the mass fraction of 40%, then the power supply is switched on to start electrolysis, a large amount of bubbles are generated in the water electrolysis device 1, the ammeter 7 is switched on, the first fuel cell 3 and the second fuel cell 4 are switched on, and the pointer of the ammeter 7 is observed to move slowly to the right; when the pointer of the ammeter 7 is nearly full, the power supply of the water electrolysis device 1 is cut off, the first fuel cell 3 and the second fuel cell 4 are electrically connected with the electric appliance 6, the motor fan is observed to start to rotate, the electrolysis voltage is increased at the moment, the number of bubbles in the water electrolysis device 1 is observed to start to increase, and the rotating speed of the motor fan is accelerated; when the regulating valve 5 on the first air duct 301 is controlled to increase the opening, the rotating speed of the motor fan is increased, and when the opening is decreased, the rotating speed of the motor fan is decreased.
Example 2
The present embodiment provides a hydrogen-oxygen fuel cell demonstration device, as shown in fig. 2, different from embodiment 1, the electrical appliance of the present embodiment includes a low power motor fan 601 and a high power motor fan 602.
In the present embodiment, the power supply of the water electrolysis apparatus 1 includes a main power supply and a secondary power supply connected in parallel, as shown in fig. 2 and 3, the main power supply is an alternating current, the main power supply is also electrically connected with a voltage-adjustable transformer 8, and the secondary power supply is a direct current; the fuel cell is electrically connected to a low power motor fan 601 and a high power motor fan 602 as shown in fig. 4.
When the embodiment works, when the main power supply is adopted to supply power to the water electrolysis device 1, one end of the voltage-adjustable transformer 8 is electrically connected with 220V alternating current, the other end of the voltage-adjustable transformer 8 is electrically connected with the water electrolysis device 1, the control button of the voltage-adjustable transformer 8 is adjusted, the voltage of the circuit end is set to be 6V, and then the electrolysis of water is started to prepare hydrogen and oxygen.
Switching on the ammeter 7 and the first fuel cell 3 and the second fuel cell 4, and observing that the pointer of the ammeter 7 slowly moves to the right; when the pointer of the ammeter 7 is nearly full, the power supply of the water electrolysis device 1 is cut off, the first fuel cell 3 and the second fuel cell 4 are electrically connected with the low-power motor fan 601, the low-power motor fan 601 starts to rotate when the electrolysis voltage is increased, the number of bubbles in the water electrolysis device 1 starts to increase, and the rotating speed of the low-power motor fan 601 is increased; then, the original circuit is disconnected, and the first fuel cell 3 and the second fuel cell 4 are electrically connected to the high power motor fan 602, and at this time, the high power motor fan 602 also starts to rotate.
It should be noted that the water electrolysis device and the fuel cell used in the present invention are the existing products, and therefore the specific structure and the working principle of the present invention are not described in detail.
It should be noted that, for those skilled in the art, without departing from the inventive concept, several variations and modifications can be made, which are within the scope of the present invention.
Claims (9)
1. A hydrogen-oxygen fuel cell demonstration device comprises an electrolytic water device and a fuel cell which are communicated with each other,
the fuel cell is provided with two fuel cells which are connected in parallel;
the cathode of the water electrolysis device is respectively communicated with the cathodes of the two fuel cells through a first gas guide pipe so as to convey hydrogen to the cathodes of the fuel cells;
the anode of the water electrolysis device is communicated with the anode of one of the fuel cells through a second air duct, and the other fuel cell is provided with an air inlet for air to enter.
2. The hydrogen-oxygen fuel cell demonstration device as claimed in claim 1, wherein the water electrolysis device is powered by a power supply, the power supply comprises a main power supply and a secondary power supply which are connected in parallel, and the main power supply is electrically connected with a voltage-adjustable transformer to convert alternating current into direct current; the secondary power supply is direct current.
3. The hydrogen-oxygen fuel cell demonstration device for demonstrating the utility model of claim 1, wherein the water electrolysis device is connected with an ammeter in series and a voltmeter in parallel.
4. The hydrogen-oxygen fuel cell demonstration device according to claim 1, wherein the first air duct is provided with a regulating plug to control the flow rate of hydrogen.
5. The hydrogen-oxygen fuel cell demonstration device for demonstrating the utility model as claimed in claim 1, wherein the two fuel cells are provided with drain holes, and the drain holes are communicated with a drain pipe.
6. The hydrogen-oxygen fuel cell demonstration device as claimed in claim 1, wherein the output end of the fuel cell is electrically connected with an electrical appliance, and the electrical appliance comprises a low-power motor fan and a high-power motor fan.
7. The hydrogen-oxygen fuel cell demonstration device of claim 1 wherein the water electrolysis device is a platinum sheet electrode.
8. The hydrogen-oxygen fuel cell demonstration device according to claim 6 wherein the water electrolysis device, the fuel cell and the electrical appliance are all fixed on the mounting bracket.
9. The hydrogen-oxygen fuel cell demonstration device according to claim 8 wherein the mounting bracket is of an inverted T configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020435175.6U CN212084470U (en) | 2020-03-30 | 2020-03-30 | Hydrogen-oxygen fuel cell demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020435175.6U CN212084470U (en) | 2020-03-30 | 2020-03-30 | Hydrogen-oxygen fuel cell demonstration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212084470U true CN212084470U (en) | 2020-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020435175.6U Expired - Fee Related CN212084470U (en) | 2020-03-30 | 2020-03-30 | Hydrogen-oxygen fuel cell demonstration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212084470U (en) |
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2020
- 2020-03-30 CN CN202020435175.6U patent/CN212084470U/en not_active Expired - Fee Related
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201204 |