CN220106593U - Fuel cell moisturizing device - Google Patents
Fuel cell moisturizing device Download PDFInfo
- Publication number
- CN220106593U CN220106593U CN202321690046.1U CN202321690046U CN220106593U CN 220106593 U CN220106593 U CN 220106593U CN 202321690046 U CN202321690046 U CN 202321690046U CN 220106593 U CN220106593 U CN 220106593U
- Authority
- CN
- China
- Prior art keywords
- liquid
- fuel cell
- moisturizing
- heat
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000003020 moisturizing effect Effects 0.000 title claims abstract description 39
- 239000000446 fuel Substances 0.000 title claims abstract description 28
- 239000007788 liquid Substances 0.000 claims abstract description 41
- 238000000034 method Methods 0.000 claims description 4
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims description 3
- 239000002737 fuel gas Substances 0.000 abstract description 13
- 230000017525 heat dissipation Effects 0.000 abstract description 10
- 229920005597 polymer membrane Polymers 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 abstract description 3
- 230000008020 evaporation Effects 0.000 abstract description 3
- 238000001704 evaporation Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000002918 waste heat Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229920006254 polymer film Polymers 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000012528 membrane Substances 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
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Fuel Cell (AREA)
Abstract
The utility model discloses a fuel cell moisturizing device, which comprises a heat radiating piece and a heat exchanger, wherein the heat radiating piece is connected with a circulating pipe of the heat radiating device; the heat exchanger comprises a shell, a heat exchange cavity is formed in the shell, the heat radiating piece stretches into the heat exchange cavity and is close to the bottom of the heat exchange cavity, a feeding hole and a discharging hole are formed in the top surface of the heat exchange cavity, moisturizing liquid is filled in the heat exchange cavity, a gap is reserved between the liquid level of the moisturizing liquid and the top surface of the heat exchange cavity, and a liquid adding hole is further formed in the shell. The beneficial effects of the technical scheme are as follows: the heat dissipation piece that sets up can heat the liquid of moisturizing in the shell to accelerate the evaporation rate of the liquid of moisturizing, make the upper portion space of shell be in the state of high humidity, can take away moisture and then improve fuel gas's humidity when fuel gas passes through, in order finally to transmit humidity to the inside polymer membrane of fuel cell.
Description
Technical Field
The utility model relates to the technical field of fuel cell heat dissipation, in particular to a fuel cell moisturizing device.
Background
A fuel cell is an energy conversion device which converts chemical energy stored in fuel and oxidant directly into electric energy isothermally according to electrochemical principle, i.e., primary cell operation principle, so that the actual process is oxidation-reduction reaction. Under the action of electric field, ions migrate to the anode through electrolyte and react with fuel gas to form a loop, and current is generated. Meanwhile, the fuel cell also generates a certain amount of heat due to its own electrochemical reaction and the internal resistance of the cell. This heat is not effectively utilized and proton exchange membranes, a polymer membrane that requires a good water content to maintain good carrying capacity, are required for fuel cell operation. The existing moisturizing device is complex and cannot utilize the waste energy of the fuel cell.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides a fuel cell moisturizing device which can humidify fuel of a fuel cell in advance by utilizing waste heat of the fuel cell so as to humidify a polymer film, so as to ensure that the polymer film in the fuel cell is in an optimal working state.
The utility model provides a technical scheme that: the fuel cell moisturizing device comprises a heat radiating piece and a heat exchanger, wherein the heat radiating piece is connected with a circulating pipe of the heat radiating device; the heat exchanger comprises a shell, a heat exchange cavity is formed in the shell, the heat radiating piece stretches into the heat exchange cavity and is close to the bottom of the heat exchange cavity, a feeding hole and a discharging hole are formed in the top surface of the heat exchange cavity, moisturizing liquid is filled in the heat exchange cavity, a gap is reserved between the liquid level of the moisturizing liquid and the top surface of the heat exchange cavity, and a liquid adding hole is further formed in the shell.
The beneficial effects of the technical scheme are as follows: the heat dissipation piece that sets up can heat the liquid of moisturizing in the shell to accelerate the evaporation rate of the liquid of moisturizing, make the upper portion space of shell be in the state of high humidity, can take away moisture and then improve fuel gas's humidity when fuel gas passes through, in order finally to transmit humidity to the inside polymer membrane of fuel cell.
Further, the feed inlet and the discharge outlet are respectively arranged at two sides of the shell. The stroke of the fuel gas can be prolonged to increase the humidity.
Further, a liquid collecting net is arranged right below the discharge hole in the shell. The liquid collecting net can condense redundant water.
Further, the device also comprises an extension pipe, wherein the first end of the extension pipe is connected with the feeding port, and the second end of the extension pipe is submerged below the liquid level of the moisturizing liquid. The extension pipe can directly let in the moisturizing liquid with fuel gas to improve the effect of humidification.
Further, the portion of the extension tube submerged in the moisturizing liquid extends serpentine from a position proximate the first side of the housing to a position proximate the second side of the housing.
Further, the extension pipe is detachably connected with the feeding hole.
Further, the liquid filling opening is positioned in the center of the top of the shell.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.
Reference numerals: the device comprises a shell 100, a feed inlet 110, a discharge outlet 120, a liquid filling port 130, a liquid collecting net 200, an extension pipe 300, moisturizing liquid 400, a heat dissipation part 500 and a circulating pipe 510.
Detailed Description
Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs.
As shown in fig. 1, the present embodiment provides a fuel cell moisturizing device, which includes a heat dissipation member 500 and a heat exchanger, wherein the heat dissipation member 500 is connected to a circulation pipe 510 of the heat dissipation device, and the circulation pipe 510 is capable of absorbing the generated waste heat of the fuel cell operation and transferring the waste heat to the heat dissipation member 500; the heat exchanger comprises a shell 100, a heat exchange cavity is formed in the shell 100, a heat dissipation piece 500 stretches into the heat exchange cavity and is close to the bottom of the heat exchange cavity, a feeding port 110 and a discharging port 120 are arranged on the top surface of the heat exchange cavity, moisturizing liquid 400 is filled in the heat exchange cavity, a gap is reserved between the liquid level of the moisturizing liquid 400 and the top surface of the heat exchange cavity, and a liquid adding port 130 is further arranged on the shell 100.
When in use, the heat dissipation member 500 can heat the moisturizing liquid 400 in the housing 100 to accelerate the evaporation speed of the moisturizing liquid 400, so that the upper space of the housing 100 is in a high humidity state, and moisture can be taken away when fuel gas passes through to further improve the humidity of the fuel gas, so that the humidity is finally transferred to the polymer membrane in the fuel cell.
In order to ensure that the fuel gas can travel from one side of the housing 100 to the other, the inlet 110 and the outlet 120 are provided at both sides of the housing 100, respectively. The stroke of the fuel gas can be prolonged to increase the humidity.
In order to raise the humidity of the fuel gas, an extension pipe 300 is further provided, a first end of the extension pipe 300 is connected to the inlet 110, and a second end of the extension pipe 300 is submerged below the liquid surface of the moisturizing liquid 400. The extension pipe 300 can directly introduce the fuel gas into the moisturizing liquid 400 to enhance the effect of humidification. A liquid collecting net 200 is arranged right below the discharge port 120 in the shell 100. The liquid collection net 200 can condense the excessive moisture. Further, the portion of extension tube 300 that is submerged in moisturizing liquid 400 extends serpentine from a position proximate to the first side of housing 100 to a position proximate to the second side of housing 100.
For ease of adjustment, extension tube 300 is configured to be removably attached to feed port 110, such as by a nut.
After the moisturizing liquid 400 is used, it is necessary to supplement it, and the filling port 130 is provided to be located at the center of the top of the housing 100 for convenience of operation.
In the description of the present utility model, it is to be understood that the terminology used herein is for the purpose of description only and is not to be interpreted as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. In the description of the present utility model, the meaning of "plurality" is two or more unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "connected," "fixed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; may be an electrical connection; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present utility model, numerous specific details are set forth. However, it is understood that embodiments of the utility model may be practiced without these specific details. In some instances, well-known methods, systems, and techniques have not been shown in detail in order not to obscure an understanding of this description.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description.
Claims (7)
1. A fuel cell moisturizing device, comprising:
a heat sink (500), the heat sink (500) being connected to a circulation pipe (510) of a heat sink; the method comprises the steps of,
the heat exchanger, the heat exchanger includes a shell (100), be constructed with the heat transfer chamber in shell (100), radiating member (500) stretch into the heat transfer intracavity is close to the bottom in heat transfer chamber, the top surface in heat transfer chamber is provided with feed inlet (110) and discharge gate (120), the heat transfer intracavity still is filled with moisturizing liquid (400), moisturizing liquid (400) the liquid level with leave the clearance between the top surface in heat transfer chamber, still be provided with filling port (130) on shell (100).
2. The fuel cell moisturizing device of claim 1, wherein the feed port (110) and the discharge port (120) are respectively disposed at both sides of the housing (100).
3. The fuel cell moisturizing device of claim 1, wherein a liquid collecting net (200) is disposed in the housing (100) right below the discharge port (120).
4. A fuel cell moisturizing device according to claim 1, further comprising an extension tube (300), a first end of the extension tube (300) being connected to the feed port (110), a second end of the extension tube (300) being submerged below the level of the moisturizing liquid (400).
5. A fuel cell moisturizing device as in claim 4, wherein the portion of the extension tube (300) submerged in moisturizing liquid (400) extends serpentine from a position proximate to the first side of the housing (100) to a position proximate to the second side of the housing (100).
6. A fuel cell moisturizing device according to claim 4, wherein the extension tube (300) is detachably connected to the feed inlet (110).
7. A fuel cell moisturizing device according to claim 1, wherein the filling opening (130) is centrally located at the top of the housing (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321690046.1U CN220106593U (en) | 2023-06-30 | 2023-06-30 | Fuel cell moisturizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321690046.1U CN220106593U (en) | 2023-06-30 | 2023-06-30 | Fuel cell moisturizing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220106593U true CN220106593U (en) | 2023-11-28 |
Family
ID=88845445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321690046.1U Active CN220106593U (en) | 2023-06-30 | 2023-06-30 | Fuel cell moisturizing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220106593U (en) |
-
2023
- 2023-06-30 CN CN202321690046.1U patent/CN220106593U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |