CN216958108U - Cooling structure for fuel cell system - Google Patents
Cooling structure for fuel cell system Download PDFInfo
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- CN216958108U CN216958108U CN202220156551.7U CN202220156551U CN216958108U CN 216958108 U CN216958108 U CN 216958108U CN 202220156551 U CN202220156551 U CN 202220156551U CN 216958108 U CN216958108 U CN 216958108U
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- gas
- liquid separator
- cooling
- ion exchanger
- fuel cell
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model provides a cooling structure for a fuel cell system, which can save space and has good carrying performance. The cooling structure for a fuel cell system includes: a cooling circuit for circulating a refrigerant; the gas-liquid separator is arranged in the cooling loop and used for separating gas and the refrigerant in the cooling loop; and an ion exchanger disposed in the cooling circuit for removing impurity ions from the refrigerant in the cooling circuit, wherein the gas-liquid separator and the ion exchanger are integrally formed in the cooling circuit.
Description
Technical Field
The present invention relates to a cooling structure for a fuel cell system.
Background
In the prior art, a gas-liquid separator and an ion exchanger are often disposed in a cooling structure for a fuel cell system to help purify a refrigerant in a cooling circuit, thereby maintaining the working efficiency of the refrigerant. However, the gas-liquid separator and the ion exchanger are generally separately disposed, and thus, more pipelines are required to interconnect the gas-liquid separator and the ion exchanger, which makes the assembly more complicated, and the distribution pipeline occupies more space, and thus is difficult to dispose in a limited space such as a vehicle body.
[ Prior art documents ]
[ patent document ]
[ patent document 1] Japanese patent laid-open publication No. 2018-199850
SUMMERY OF THE UTILITY MODEL
The utility model provides a cooling structure for a fuel cell system, which can save space and has good carrying performance.
A cooling structure for a fuel cell system of the present invention includes: a cooling circuit for circulating a refrigerant; the gas-liquid separator is arranged in the cooling loop and used for separating gas in the cooling loop from the refrigerant; and an ion exchanger disposed in the cooling circuit for removing impurity ions from the refrigerant in the cooling circuit, wherein the gas-liquid separator and the ion exchanger are integrally formed in the cooling circuit.
In an embodiment of the present invention, the gas-liquid separator is located on a downstream side of the ion exchanger in the cooling circuit.
In an embodiment of the present invention, the cooling structure for a fuel cell system further includes: a housing disposed in the cooling circuit, the gas-liquid separator and the ion exchanger being formed within the housing.
In view of the above, in the cooling structure for a fuel cell system according to the present invention, the gas-liquid separator and the ion exchanger are integrally provided in the cooling circuit, and the gas-liquid separator and the ion exchanger are collectively arranged at one position in the cooling circuit, and are not required to be connected to each other by a pipe, respectively, whereby the use of space and the complexity of assembly can be reduced. Accordingly, the cooling structure for a fuel cell system of the present invention can be used in a space-saving manner and has good mountability.
In order to make the aforementioned and other features and advantages of the utility model more comprehensible, embodiments accompanied with figures are described in detail below.
Drawings
Fig. 1 is a schematic configuration diagram of a cooling structure for a fuel cell system according to an embodiment of the present invention.
Fig. 2 is a partially enlarged schematic view of the cooling structure for the fuel cell system of fig. 1.
Description of the reference numerals
100: a cooling structure for a fuel cell system;
110: a cooling circuit;
112: a refrigerant inlet;
114: a refrigerant outlet;
120: a housing;
122: an upper cover;
130: a gas-liquid separator;
140: an ion exchanger;
l: and (4) a refrigerant.
Detailed Description
Fig. 1 is a schematic structural view of a cooling structure for a fuel cell system according to an embodiment of the present invention. Fig. 2 is a partially enlarged schematic view of the cooling structure for the fuel cell system of fig. 1. In the present embodiment, the cooling structure 100 for a fuel cell system is disposed in a vehicle interior to cool a fuel cell stack (not shown) provided in the fuel cell system. A specific structure of the cooling structure 100 for a fuel cell system of the present embodiment will be described below with reference to fig. 1 to 2, but the present invention is not limited thereto.
Referring to fig. 1, in the present embodiment, a cooling structure 100 for a fuel cell system includes a cooling circuit 110, a housing 120, a gas-liquid separator 130, and an ion exchanger 140. The cooling circuit 110 is for flowing a cooling medium L, wherein the cooling circuit 110 is connected to a fuel cell stack (not shown), and the cooling medium L is suitable for carrying heat of the fuel cell stack to other places (such as a heat sink, but the utility model is not limited thereto) for heat exchange, thereby cooling the fuel cell stack.
In the present embodiment, the housing 120 is provided in the cooling circuit 110 as a means for integrally forming the gas-liquid separator 130 and the ion exchanger 140 in the cooling circuit 110, but the present invention is not limited thereto. The gas-liquid separator 130 and the ion exchanger 140 are disposed in the cooling circuit 110, the gas-liquid separator 130 is used for separating the gas of the cooling circuit 110 from the refrigerant L, and the ion exchanger 140 is used for removing impurity ions in the refrigerant L in the cooling circuit 110. Thus, the gas-liquid separator 130 and the ion exchanger 140 are integrally formed in the cooling circuit 110, and preferably, the gas-liquid separator 130 and the ion exchanger 140 are formed in the housing 120. Such a configuration allows the gas-liquid separator 130 and the ion exchanger 140 to be disposed at one location in the cooling circuit 110 in a concentrated manner, and does not need to be connected to each other by pipes, thereby reducing the space occupation and the complexity of assembly. In addition, since the gas-liquid separator 130 and the ion exchanger 140 are formed in the housing 120, an assembly space of other parts can be increased in a limited space in the vehicle, thereby improving the easiness of the overall assembly. Accordingly, the cooling structure 100 for a fuel cell system according to the present invention can be used in a space-saving manner and has good mountability.
In detail, in the embodiment, the cooling circuit 110 is connected to other parts (such as a radiator, a fuel cell stack, a pump, etc., but the utility model is not limited thereto), which are not shown, and gas may enter the cooling circuit 110. If too much gas is present in the cooling circuit 110, the overall cooling efficiency is reduced. In addition, the cooling circuit 110 of the present embodiment is made of metal, for example, when the refrigerant L flows in the cooling circuit 110, metal ions of the cooling circuit 110 are dissolved in the refrigerant L with probability, and carbon dioxide (CO) in the gas2) Also dissolves into the refrigerant L to form carbonate ion (CO)3 2-) The impurity ions charged in the refrigerant L are excessive to increase the conductivity, thereby increasing the risk of the cooling circuit 110. Therefore, the provision of the gas-liquid separator 130 can remove excess air, thereby preventing a decrease in cooling efficiency and further preventing carbon dioxide (CO) from being generated2) Dissolved in the refrigerant L. The ion exchanger 140 (e.g., anion-cation exchange resin) is arranged to remove charged impurity ions, so as to reduce the conductivity of the refrigerant L and ensure coolingThe vias 110 remain electrically isolated.
Referring to fig. 1 and 2, in the present embodiment, the refrigerant L flows in the cooling circuit 110 clockwise (as shown in fig. 1), wherein the refrigerant L enters the ion exchanger 140 through the refrigerant inlet 112 of the cooling circuit 110 (as shown in fig. 2), and the refrigerant L exits the gas-liquid separator 130 through the refrigerant outlet 114 of the cooling circuit 110 (as shown in fig. 2). That is, the gas-liquid separator 130 is located at the downstream side of the ion exchanger 140 in the cooling circuit 110, and the refrigerant L sequentially flows through the ion exchanger 140 and the gas-liquid separator 130 to remove impurity ions and gas in the refrigerant L. Since the flow rate of the refrigerant L is decreased after entering the ion exchanger 140, the volume of the gas-liquid separator 130 for separating gas does not need to be large. In this way, the volume of the gas-liquid separator 130 can be further reduced on the downstream side, and the mountability of the cooling structure 100 for a fuel cell system can be further improved. Therefore, the volume of the gas-liquid separator 130 is smaller than that of the ion exchanger 140 in the embodiment, but the utility model is not limited thereto.
As shown in fig. 2, in the present embodiment, the refrigerant inlet 112 is connected to one end of the ion exchanger 140 (for example, is disposed at the lower side of the ion exchanger 140). Accordingly, the refrigerant outlet 114 communicates with one end of the gas-liquid separator 130 (for example, is disposed on the right side of the gas-liquid separator 130). Thus, the refrigerant inlet 112 and the refrigerant outlet 114 are respectively disposed at the upper and lower ends of the housing 120 and respectively communicated with the ion exchanger 140 and the gas-liquid separator 130, but the utility model is not limited thereto. Further, the gas-liquid separator 130 is located above the ion exchanger 140, for example, an end portion of the ion exchanger 140 opposite to the refrigerant inlet 112 (illustrated as an upper end of the ion exchanger 140) is communicated with an end portion of the gas-liquid separator 130 facing the ion exchanger 140 (illustrated as a lower end of the gas-liquid separator 130), but the present invention is not limited thereto, and may be adjusted depending on an actual assembly position and a refrigerant flow direction as long as the gas-liquid separator 130 is located on a downstream side of the ion exchanger 140 in the cooling circuit 110.
In addition, as shown in fig. 2, in the present embodiment, the housing 120 includes the upper cover 122, and the gas-liquid separator 130 and the ion exchanger 140 accommodated in the housing 120 can be taken out by opening the upper cover 122, so that a user can regularly replace parts such as a filter (not shown) of the gas-liquid separator 130 and the ion exchanger 140.
As described above, in the cooling structure for a fuel cell system according to the present invention, the gas-liquid separator and the ion exchanger are integrally provided in the cooling circuit, and the gas-liquid separator and the ion exchanger are collectively arranged at one location in the cooling circuit, and thus, there is no need to connect the gas-liquid separator and the ion exchanger to each other by a pipe, and thus, the use of space and the complexity of assembly can be reduced. Preferably, the gas-liquid separator and the ion exchanger are formed in the housing, so that the assembly space of other parts can be increased in the limited space in the vehicle, and the overall assembly easiness can be improved. The gas-liquid separator is located downstream of the ion exchanger in the cooling circuit, and the volume of the gas-liquid separator can be further reduced, thereby further improving the mountability of the cooling structure for a fuel cell system. Accordingly, the cooling structure for a fuel cell system of the present invention can be used in a space-saving manner and has good mountability.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention 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 solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (3)
1. A cooling structure for a fuel cell system, characterized by comprising:
a cooling circuit for circulating a refrigerant;
the gas-liquid separator is arranged in the cooling loop and used for separating gas in the cooling loop from the refrigerant; and
an ion exchanger arranged in the cooling loop for removing impurity ions in the refrigerant in the cooling loop, wherein,
the gas-liquid separator is provided in the cooling circuit integrally with the ion exchanger.
2. The cooling structure for a fuel cell system according to claim 1,
the gas-liquid separator is located on a downstream side of the ion exchanger in the cooling circuit.
3. The cooling structure for a fuel cell system according to claim 1, further comprising:
a housing disposed in the cooling circuit,
the gas-liquid separator and the ion exchanger are formed in the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220156551.7U CN216958108U (en) | 2022-01-20 | 2022-01-20 | Cooling structure for fuel cell system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220156551.7U CN216958108U (en) | 2022-01-20 | 2022-01-20 | Cooling structure for fuel cell system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216958108U true CN216958108U (en) | 2022-07-12 |
Family
ID=82317401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220156551.7U Active CN216958108U (en) | 2022-01-20 | 2022-01-20 | Cooling structure for fuel cell system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216958108U (en) |
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2022
- 2022-01-20 CN CN202220156551.7U patent/CN216958108U/en active Active
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