CN217114471U - Flow dividing device applied to hydrogen fuel cell - Google Patents
Flow dividing device applied to hydrogen fuel cell Download PDFInfo
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- CN217114471U CN217114471U CN202123093517.4U CN202123093517U CN217114471U CN 217114471 U CN217114471 U CN 217114471U CN 202123093517 U CN202123093517 U CN 202123093517U CN 217114471 U CN217114471 U CN 217114471U
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Abstract
The utility model relates to a battery technology field specifically discloses a be applied to hydrogen fuel cell's diverging device, include: the shell, shell one end is fixed with the air inlet connecting plate, be fixed with the air inlet on the air inlet connecting plate, be provided with the reposition of redundant personnel structure in the shell. Adopt static reposition of redundant personnel structure to replace the tradition to use powerful rotor to drive the design that the flabellum was broken up the air current in this application, avoided producing the problem of very big noise at the air current in-process of breaking up.
Description
Technical Field
The utility model relates to a battery technology field specifically is a be applied to hydrogen fuel cell's diverging device.
Background
A fuel cell is a power generation device, but is not discarded as a general non-rechargeable battery, nor is it charged as a rechargeable battery, and the fuel cell continues to add fuel to maintain its power as its name implies, and the required fuel is "hydrogen", which is classified as a new energy source for this reason. The fuel cell has an operation principle that the cell comprises a positive electrode and a negative electrode which are respectively filled with electrolyte, and a permeable film is arranged between the two electrodes. Hydrogen enters the fuel cell from its anode and oxygen (or air) enters the fuel cell from its cathode. Through the action of the catalyst, the hydrogen molecules at the anode are decomposed into two protons and two electrons, wherein the protons are 'attracted' to the other side of the membrane by the oxygen, and the electrons form current through an external circuit and then reach the cathode. Under the action of the cathode catalyst, protons, oxygen and electrons react to form water molecules, so that water can be said to be the only emission from the fuel cell. The "hydrogen" fuel used by the fuel cell may be derived from hydrogen produced by the electrolysis of water and any hydrocarbon, such as natural gas, methanol, ethanol (alcohol), biogas, etc. Because the fuel cell generates current and water by utilizing the chemical reaction of hydrogen and oxygen, the fuel cell is not only completely pollution-free, but also avoids the problem of time consumption of the traditional cell charging, and is a new energy mode with development prospect at present, for example, the fuel cell can be popularized and applied to vehicles and other high-pollution power generation tools, and can obviously reduce air pollution and greenhouse effect.
The flow dividing device in the prior hydrogen fuel cell technology mostly adopts a powerful rotor to drive fan blades to break up air flow, and great noise can be generated.
SUMMERY OF THE UTILITY MODEL
The utility model provides a micropore atomizing device of array arrangement formula for the diverging device among the current hydrogen fuel cell technique of proposing produces the problem of very big noise scattering the air current in-process in solving above-mentioned background art.
A flow divider device for use in a hydrogen fuel cell, comprising: the shell, shell one end is fixed with the air inlet connecting plate, be fixed with the air inlet on the air inlet connecting plate, be provided with the reposition of redundant personnel structure in the shell.
Preferably, the housing is cylindrical.
Preferably, the flow dividing structure includes: the splitter plate is provided with a plurality of splitter holes.
Preferably, still set up a plurality of bolts on the reposition of redundant personnel piece, about the reposition of redundant personnel structure centre of a circle is annular array and arranges, the bolt is used for connecting reposition of redundant personnel piece and shell, the bolt still is connected with the nut.
Preferably, the plurality of shunting holes are arranged in an annular array around the center of the shunting structure.
Preferably, the width of the shunting hole from the circle center to the edge of the shunting structure is gradually widened.
Preferably, a flow limiting device is arranged between the air inlet and the air inlet connecting plate, the flow limiting device comprises a shell, the air inlet and the air inlet connecting plate are respectively fixed on two opposite side surfaces of the shell, and the shell is communicated with the air inlet and the air inlet connecting plate.
Preferably, a first closing piece is fixed in the shell, the inner wall of the shell is connected with a second closing piece through a rotating shaft, and the first closing piece is in contact with the second closing piece;
the through holes are formed in the first sealing part and the second sealing part.
Preferably, a limiting member is fixed on the first sealing member, a limiting groove is formed in the second sealing member, and the limiting member is located in the limiting groove.
Preferably, the outer edge of the second closing part is provided with teeth, the teeth of the second closing part are meshed with a gear, the gear is fixed at one end of a connecting shaft, the other end of the connecting shaft is connected to the output end of a reduction gearbox, the reduction gearbox is fixed on the shell, a motor is fixed outside the shell, and the output end of the motor is connected with the input end of the reduction gearbox.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is a schematic side view of the shunt structure of the present invention;
fig. 3 is a schematic front view of the flow dividing structure of the present invention;
FIG. 4 is a schematic top view of the structure of the current limiting device of the present invention;
fig. 5 is a schematic diagram of the relative positions of the first and second sealing members of the present invention.
In the figure: 1. a flow splitting structure; 2. a shunt hole; 3. a bolt; 4. a nut; 5. a housing; 6. an air inlet connecting plate; 7. an air inlet; 8. a current limiting device; 201. a housing; 202. a first closure member; 203. a through hole; 204. a second closure member; 205. a limiting member; 206. a gear; 207. a connecting shaft; 208. a reduction gearbox; 209. a motor; 210. a rotating shaft; 211. a limiting groove.
Detailed Description
In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It should be understood, however, that these physical details should not be taken to limit the invention. That is, in some embodiments of the invention, these physical details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Example 1
Referring to fig. 1-3, the present invention provides an embodiment: a flow divider device for use in a hydrogen fuel cell, comprising: the air inlet structure comprises a shell 5, wherein one end of the shell 5 is fixed with an air inlet connecting plate 6, an air inlet 7 is fixed on the air inlet connecting plate 6, and a flow distribution structure 1 is arranged in the shell 5.
Preferably, the housing 5 is cylindrical.
Preferably, the flow dividing structure 1 includes: the splitter plate is provided with a plurality of splitter holes 2.
Preferably, still set up a plurality of bolts 3 on the reposition of redundant personnel piece, about 1 centre of a circle of reposition of redundant personnel structure is annular array and arranges, bolt 3 is used for connecting reposition of redundant personnel piece and shell 5 (specifically, be provided with the annular mounting panel in the shell 5, through the cooperation of bolt 3 with nut 4 with the reposition of redundant personnel piece be fixed in the annular mounting panel on, promptly, fixed with shell 5), bolt 3 still is connected with nut 4.
Preferably, the plurality of shunting holes 2 are arranged in an annular array around the center of the shunting structure 1.
Preferably, the width of the shunting hole 2 from the center to the edge of the shunting structure 1 is gradually widened.
The working principle and the beneficial effects of the technical scheme are as follows: in the prior art, the flow dividing device is used for enabling concentrated gas to enter a scattering cavity, and then the concentrated gas is impacted and sheared through a rotor rotating at a high speed to scatter the concentrated gas. Because the rotor is required to break up the airflow, the prior art has a complex structure and installation and needs to be replaced regularly. The shunt structure 1 of the present application is composed of a specially shaped sheet made of metal. So it has the advantage of simple structure and is convenient to install because it is only one metal sheet. Compared with the rotor scattering in the prior art, the flow dividing structure 1 is made of metal, so that the flow dividing structure 1 is not easy to damage when methanol steam is scattered, and the rotor is not easy to wear and needs to be replaced regularly; and this application has improved and has adopted powerful rotor among the prior art, drives the flabellum and breaks up the air current, can produce very big noise.
In the hydrogen fuel cell, concentrated hydrogen is blown into the shunting holes 2 of the shunting structure 1 from the air inlet 7, and the hydrogen is dispersed and then uniformly enters different catalytic tubes to react and generate electric energy.
The shunting structure 1 is provided with shunting holes 2 for dispersing the air flow which enters from the air inlet 7 intensively and uniformly into each catalytic tube in the shell 5. After entering, concentrated hot air is scattered through the shunting holes 2 on the shunting structure 1, then is uniformly blown out, and then uniformly enters different catalytic tubes. And then reacted with the catalyst in the catalytic tube.
When the concentrated airflow blows to the flow dividing structure 1 from the air inlet 7, the sizes and the shapes of the flow dividing holes 2 at different positions on the flow divider are different, the smaller and narrower the flow dividing holes 2 at the positions closer to the concentrated airflow are, the larger and wider the flow dividing holes 2 at the positions farther from the concentrated airflow are, the airflow is more concentrated at the positions closer to the concentrated airflow, the airflow is more dispersed at the positions far from the concentrated airflow, the smaller and narrower flow dividing holes 2 are arranged at the positions close to the concentrated airflow, the larger and wider flow dividing holes 2 are arranged at the positions far from the concentrated airflow, the total amount of the concentrated airflow passing through the smaller and narrower flow dividing holes 2 is equal to the total amount of the dispersed airflow passing through the larger and wider flow dividing holes 2, and the airflow can be uniformly blown into all the catalytic tubes after being blown out. And because the stainless steel material is adopted, the service life is longer when corrosive gas is scattered.
Be provided with annular mounting panel in the shell 5, on being fixed in annular mounting panel with the splitter vane through the cooperation of bolt 3 and nut 4, for keeping the certain distance between reposition of redundant personnel structure 1 and inlet connection board 6, the catalysis pipe, effectively prevented reposition of redundant personnel structure 1 and gas connection board 6, catalysis pipe direct contact, with the opening part shutoff of air inlet 7 or catalysis pipe, influence the normal current of air current.
Example 2
Referring to fig. 4 to 5, on the basis of embodiment 1, a flow limiting device 8 is disposed between the air inlet 7 and the air inlet connecting plate 6, the flow limiting device 8 includes a housing 201, the air inlet 7 and the air inlet connecting plate 6 are respectively fixed on two opposite surfaces of the housing 201, and the housing 201 is communicated with the air inlet 7 and the air inlet connecting plate 6.
Preferably, a first sealing member 202 is fixed in the housing 201, the inner wall of the housing 201 is connected with a second sealing member 204 through a rotating shaft 210, the first sealing member 202 is in contact with the second sealing member 204, the through holes 203 are formed in both the first sealing member 202 and the second sealing member 204 (specifically, the interval between the through holes 203 in the first sealing member 202 is larger than the diameter of the through holes 203 in the second sealing member 204, and the interval between the through holes 203 in the second sealing member 204 is larger than the diameter of the through holes 203 in the first sealing member 202, when the first sealing member 202 and the second sealing member 204 move relatively, the through holes 203 in the first sealing member 202 are gradually blocked by the second sealing member 204, and the through holes 203 in the second sealing member 204 are gradually blocked by the first sealing member 202, so as to achieve flow control).
Preferably, a limiting member 205 is fixed on the first sealing member 202, a limiting groove 211 is arranged on the second sealing member 204, and the limiting member 205 is located in the limiting groove 211.
Preferably, the second sealing member 204 is provided with teeth at its outer edge, the teeth of the second sealing member 204 are engaged with a gear 206, the gear 206 is fixed at one end of a connecting shaft 207, the other end of the connecting shaft 207 is connected to an output end of a reduction gearbox 208, the reduction gearbox 208 is fixed to the housing 201, a motor 209 is fixed outside the housing 201, and the output end of the motor 209 is connected to the input end of the reduction gearbox 208.
The working principle and the beneficial effects of the technical scheme are as follows: in the reaction process of the hydrogen fuel cell, the flow control device is arranged to control the amount of hydrogen blown in from the air inlet 7, so that the hydrogen entering the catalytic tube is matched with the reaction rate of the hydrogen, and the waste of raw materials is avoided;
when the air inlet connecting plate is used, the motor 209 drives the gear 206 to rotate through the driving reduction box 208, the gear 206 is meshed with the second sealing part 204 through teeth, so that the second sealing part 204 rotates by taking the rotating shaft 210 as a circle center, and the first sealing part 202 is fixed with the shell 201, when the second sealing part 204 rotates, the through hole 203 on the second sealing part 204 and the through hole 203 on the first sealing part 202 are different in overlap ratio, and the flow limiting function between the air inlet 7 and the air inlet connecting plate 6 is completed;
the limiting piece 205 is arranged to be matched with the rotating shaft 210, and the rotating shaft 210 moves within a range allowed by the limiting piece 205, so that a maximum adjustable range of the contact degree of the through hole 203 is ensured, and regularity of a motion track between the second closing piece 204 and the first closing piece 202 is also ensured;
the reduction box 208 reduces the output rotating speed of the motor 209, so that the input torque of the device is increased, and the control difficulty of the device is reduced.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. A flow divider device for use in a hydrogen fuel cell, comprising: a housing (5), characterized in that: one end of the shell (5) is fixed with the air inlet connecting plate (6), an air inlet (7) is fixed on the air inlet connecting plate (6), and a shunting structure (1) is arranged in the shell (5).
2. The flow dividing device applied to a hydrogen fuel cell according to claim 1, wherein: the shell (5) is cylindrical.
3. The flow dividing device applied to a hydrogen fuel cell according to claim 2, wherein: the flow dividing structure (1) includes: the splitter plate is provided with a plurality of splitter holes (2).
4. The flow dividing device applied to a hydrogen fuel cell according to claim 3, wherein: still set up a plurality of bolts (3) on the reposition of redundant personnel piece, about the reposition of redundant personnel structure (1) centre of a circle is annular array and arranges, bolt (3) are used for connecting reposition of redundant personnel piece and shell (5), bolt (3) still are connected with nut (4).
5. The flow dividing device applied to a hydrogen fuel cell according to claim 3, wherein: the plurality of the shunting holes (2) are arranged in an annular array around the circle center of the shunting structure (1).
6. The flow dividing device applied to a hydrogen fuel cell according to claim 3, wherein: the width of the shunting hole (2) from the circle center to the edge of the shunting structure (1) is gradually widened.
7. The flow dividing device applied to a hydrogen fuel cell according to claim 1, wherein: the air inlet (7) and be provided with current limiting device (8) between air inlet connecting plate (6), current limiting device (8) include casing (201), air inlet (7) with air inlet connecting plate (6) are fixed in respectively casing (201) offside two surfaces, in casing (201) with air inlet (7) air inlet connecting plate (6) intercommunication.
8. The flow dividing device applied to a hydrogen fuel cell according to claim 7, wherein: a first closing piece (202) is fixed in the shell (201), the inner wall of the shell (201) is connected with a second closing piece (204) through a rotating shaft (210), and the first closing piece (202) is in contact with the second closing piece (204);
the first closing part (202) and the second closing part (204) are provided with through holes (203).
9. The flow dividing device applied to a hydrogen fuel cell according to claim 8, wherein: a limiting piece (205) is fixed on the first sealing piece (202), a limiting groove (211) is formed in the second sealing piece (204), and the limiting piece (205) is located in the limiting groove (211).
10. The flow dividing device applied to a hydrogen fuel cell according to claim 9, wherein: the outer edge of the second sealing part (204) is provided with teeth, the teeth of the second sealing part (204) are meshed with a gear (206), the gear (206) is fixed at one end of a connecting shaft (207), the other end of the connecting shaft (207) is connected to the output end of a reduction gearbox (208), the reduction gearbox (208) is fixed on the shell (201), a motor (209) is fixed outside the shell (201), and the output end of the motor (209) is connected with the input end of the reduction gearbox (208).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123093517.4U CN217114471U (en) | 2021-12-10 | 2021-12-10 | Flow dividing device applied to hydrogen fuel cell |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202123093517.4U CN217114471U (en) | 2021-12-10 | 2021-12-10 | Flow dividing device applied to hydrogen fuel cell |
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| CN217114471U true CN217114471U (en) | 2022-08-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118173820A (en) * | 2024-05-16 | 2024-06-11 | 山东德维鲁普新材料有限公司 | Fast reaction hydrogen fuel cell and application thereof |
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2021
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118173820A (en) * | 2024-05-16 | 2024-06-11 | 山东德维鲁普新材料有限公司 | Fast reaction hydrogen fuel cell and application thereof |
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