CN218996772U - Multifunctional intercooler for fuel cell system - Google Patents
Multifunctional intercooler for fuel cell system Download PDFInfo
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- CN218996772U CN218996772U CN202222891262.4U CN202222891262U CN218996772U CN 218996772 U CN218996772 U CN 218996772U CN 202222891262 U CN202222891262 U CN 202222891262U CN 218996772 U CN218996772 U CN 218996772U
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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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Abstract
The utility model discloses a multifunctional intercooler for a fuel cell system. The multifunctional intercooler for a fuel cell system includes: the device comprises a core body for cooling air, an air inlet end cavity, an air outlet end cavity, an air inlet pier head, a first air outlet pier head, a second air outlet pier head which is additionally arranged on the air outlet end cavity and used for bypassing air, a third air outlet pier head which is used for purging a galvanic pile, and a temperature and pressure sensor. The high-temperature air enters the core body through the air inlet end cavity for cooling, the cooled air enters the air outlet end cavity, most of the air is discharged from the first air outlet end after being detected by the temperature and pressure sensor, a part of the air is discharged from the third air outlet end for purging the galvanic pile, and the redundant air is discharged from the second air outlet end. The structure of unifying more has reduced the use of other parts, makes whole fuel cell system cost reduction, and can make the internal arrangement of fuel cell system simplify, saves space, improves the stability of whole fuel cell system.
Description
Technical Field
The utility model belongs to the field of fuel cells, and particularly relates to a multifunctional intercooler for a fuel cell system.
Background
Fuel cell systems generally include an electric stack subsystem, an air subsystem, a hydrogen subsystem, a thermal management subsystem, and an electrical control subsystem. The intercooler generally belongs to an air subsystem, and the position of the intercooler in a subsystem schematic diagram is located at the rear end of the air compressor, and the intercooler is mainly used for cooling air at an outlet of the air compressor so as to achieve the air temperature required by a galvanic pile.
The intercooler used in the fuel cell system in the market at present is various, can all satisfy the effect of cooling for air compressor machine export air, but the function is comparatively single, and some fuel cell system need monitor the temperature and the pressure of the air after cooling, and some fuel cell system need shunt some air and directly connect the tail throttle valve in order to prevent air compressor machine surging, or shunt some air and be used for blowing the stack encapsulation casing in order to prevent that the hydrogen concentration is too high in the casing. For the split air, some existing schemes are to branch on a silicone tube at the rear end of an air compressor, so that the material cost can be increased, and the arrangement effect is disordered. For monitoring the air temperature and pressure of the outlet of the intercooler, some existing schemes are to separately add a joint for installing a sensor on a manifold at the rear end of the intercooler, which is time-consuming and labor-consuming.
Accordingly, improvements to existing intercooler technology are needed to address these issues.
Disclosure of Invention
Aiming at the technical problems that the charge air cooler used by the fuel cell system in the prior art is single in function, the fuel cell system is more in parts, so that the material cost is increased, and the arrangement effect is disordered, the utility model aims to provide the multifunctional charge air cooler for the fuel cell system.
The multifunctional intercooler for a fuel cell system includes:
a core for cooling air;
the air inlet end cavity and the air outlet end cavity are respectively and symmetrically arranged on two opposite side surfaces of the core body;
the air inlet pier head and the first air outlet pier head are respectively arranged on the air inlet end cavity and the air outlet end cavity;
and the second air outlet pier head and/or the third air outlet pier head are integrally connected to the air outlet end cavity. The second air outlet pier head is an air outlet bypass pier head, the third air outlet pier head is an air outlet sweeping pier head, and the second air outlet pier head and the third air outlet pier head are reversely connected to the air outlet end cavity.
Preferably, the multifunctional intercooler for a fuel cell system further includes:
and the temperature and pressure sensor is integrally connected to the air outlet end cavity and is used for detecting the temperature and pressure of the cooled air at the air outlet end cavity.
The multifunctional intercooler for the fuel cell system is characterized in that the cavity of the air outlet end is integrally connected with the second air outlet pier head for bypass air exhaust, the third air outlet pier head for purging the electric pile and the temperature and pressure sensor, and the multifunctional intercooler has the advantages that the use of other parts is reduced due to the adoption of an all-in-one structure, the cost of the whole fuel cell system is reduced, the arrangement in the fuel cell system is simplified, the space is saved, and the stability of the whole fuel cell system is improved.
Preferably, the multifunctional intercooler for a fuel cell system further includes:
the cooling liquid inlet pier head is connected to the core body and is close to the cavity of the air outlet end;
and the cooling liquid outlet pier head is connected to the core body and is close to the cavity of the air inlet end.
Preferably, the multifunctional intercooler for a fuel cell system further includes a mounting plate for fixing the multifunctional intercooler for a fuel cell system to a fuel cell system, and is connected to the core.
Preferably, the mounting plates are respectively provided with fixing holes.
Preferably, the ratio of the cross-sectional area of the first air outlet pier head to the cross-sectional area of the air inlet pier head is 100:80 to 120, preferably 100:100.
preferably, the ratio of the cross-sectional areas of the first and second and third air outlet pier heads is: 100: 16-24: 4 to 6, preferably 100:20:5.
the utility model has the positive progress effects that:
1) The multifunctional intercooler for the fuel cell system is characterized in that the cavity of the air outlet end is integrally connected with the second air outlet pier head for bypass air exhaust, the third air outlet pier head for purging the electric pile and the temperature and pressure sensor, and the multifunctional intercooler for the fuel cell system has the advantages that the use of other parts such as an adapter, a tee joint and the like is reduced due to the integrated structure, so that the cost of the whole fuel cell system is reduced, the arrangement in the fuel cell system is simplified, the space is saved, and the stability of the whole fuel cell system is improved. Because the parts such as the second air outlet pier head and the third air outlet pier head are integrally connected to the multifunctional intercooler, the tightness of the air subsystem is also intangibly improved, the possibility that the cooling air is leaked and wasted is reduced, and the energy utilization rate for the intercooler core is improved.
2) The temperature and pressure sensor is additionally arranged at the cavity of the air outlet end of the multifunctional intercooler for the fuel cell system, so that the temperature and pressure of the cooled air can be directly monitored in the multifunctional intercooler for the fuel cell system.
Drawings
Fig. 1 is a schematic view showing the overall front structure of a multifunctional intercooler 10 for a fuel cell system according to the present utility model;
fig. 2 is a schematic view of the overall structure of the back side of fig. 1.
Detailed Description
Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model.
As shown in fig. 1, the multifunctional intercooler 10 for a fuel cell system of the present utility model includes: the core 11, the inlet end cavity 12A and the outlet end cavity 12B which are positioned on two opposite sides of the core 11, the inlet pier head 13A which is arranged on the inlet end cavity 12A, and the first outlet pier head 13B and the second outlet pier head 21 which are arranged on the outlet end cavity 12B.
In this example, the core 11 has a rectangular-like structure, and may be any form in the prior art, for example, a tube sheet type core, or may be any other form capable of cooling air, so as to cool the air input into the multifunctional intercooler 11 for a fuel cell system.
In this example, the air inlet end chamber 12A and the air outlet end chamber 12B may have any shape, and the object of the present utility model may be achieved. Preferably, the air inlet end cavity 12A is in a quadrangular frustum shape, and a bottom surface of the core 11 is in fit connection with the bottom surface of the quadrangular frustum-shaped air inlet end cavity 12A. The air outlet end cavity 12B is also in a quadrangular frustum shape, and the quadrangular frustum shape of the air outlet end cavity 12B is different from a quadrangular frustum in that one side surface is divided into two planes, so that two side surfaces adjacent to the side surface are pentagonal, and the side surface opposite to the side surface is still quadrangular. The bottom surface of the air outlet end cavity 12B is in fit connection with the other bottom surface of the core 11, and the air inlet end cavity 12A and the air outlet end cavity 12B are symmetrically arranged on the core 11.
In this example, the air inlet pier 13A and the first air outlet pier 13B may be any available pier in the prior art. The air inlet pier head 13A and the first air outlet pier head 13B are cylindrical pier heads, and the ratio of the cross-sectional area of the first air outlet pier head 13B to the cross-sectional area of the air inlet pier head 13A is 100:80 to 120, preferably 100:100. are disposed on the inlet end chamber 12A and the outlet end chamber 12B, respectively. One end of the air inlet pier head 13A is connected to the top surface of the air inlet end cavity 12A, and one end of the first air outlet pier head 13B is mounted on the side surface of the air outlet end cavity 12B opposite to the quadrilateral side surface. The caliber of the air inlet pier head 13A is the same as the caliber of the outlet of the air compressor externally connected with the multifunctional intercooler 10 for the fuel cell system, and the caliber of the first air outlet pier head 13B is the same as the caliber of the humidifier externally connected with the multifunctional intercooler 10 for the fuel cell system, so that the direct connection is convenient, and the trouble of reducing the connecting pipe is avoided.
In a specific embodiment, the other end of the air inlet pier head 13A is connected to an outlet of the air compressor, high-temperature air at the outlet of the air compressor enters the air inlet end cavity 12A through the air inlet pier head 13A and then enters the core 11 for cooling treatment, and the cooled air enters the air outlet end cavity 12B.
As further shown in fig. 1, the fuel cell system multi-functional intercooler 10 further includes a second air outlet pier 14. The second air outlet pier head 14 is an air outlet bypass pier head, which is a cylindrical pier head or any feasible pier head in the prior art, and the ratio of the cross-sectional areas of the first air outlet pier head 14 to the second air outlet pier head 14 is 100:16 to 24, preferably 100:20. one end of the second air outlet pier head 14 is arranged on the mounting side surface of the first air outlet pier head 13B of the air outlet end cavity 12B, the other end is directly connected with a tail-row throttle valve, and redundant air which is not discharged by the first air outlet pier head 14 and the third air outlet pier head 21 is discharged.
As shown in fig. 2, the multifunctional intercooler 10 for a fuel cell system further includes a third air outlet pier 21. The third air outlet pier head 21 is an air outlet purging pier head, which is a cylindrical pier head or any feasible pier head in the prior art, and the ratio of the cross-sectional areas of the first air outlet pier head 13B and the third air outlet pier head 21 is 100:4 to 6, preferably 100:5. one end of the third air outlet pier head 21 is mounted on the quadrangular side surface of the air outlet end cavity 12B, and is disposed in the opposite direction to the second air outlet pier head 14. The other end of the third air outlet pier head 21 is connected with the electric pile, and a part of air cooled in the air outlet end cavity 12B is split to purge the electric pile so as to prevent the hydrogen concentration in the electric pile from being too high.
As shown in fig. 1 or 2, the multifunctional intercooler 10 for a fuel cell system further includes a temperature and pressure sensor 15 integrally connected to the air outlet end cavity 12B. One end of the warm-pressing sensor 15 is triangular prism, and a bottom surface of the triangular prism of the warm-pressing sensor 15 is integrally connected to the pentagonal side surface of the air outlet end cavity 12B. The other end of the temperature and pressure sensor 25 is an elliptic cylinder with an elliptic flat mouth and is connected to the other bottom surface of the triangular prism of the temperature and pressure sensor 15. The temperature and pressure sensor 15 may directly detect at the outlet end cavity 12B whether the temperature and pressure of the cooled air reaches the temperature and pressure required for the galvanic pile reaction.
Continuing with the same embodiment, after the core 11 is cooled, the high-temperature air enters the air outlet end cavity 12B, and the temperature and pressure sensor 15 directly detects whether the temperature and pressure requirement of the reactor entering is met at the air outlet end cavity 12B. After the detection is finished, most of the cooled air is discharged by the first air outlet pier head 13B, a part of the cooled air is split by the third air outlet pier head 21 and output to the pile packaging cavity for blowing the pile, and the redundant air is discharged by the second air outlet pier head 14.
Continuing to refer to fig. 1, the multifunctional intercooler 10 for a fuel cell system further includes a coolant inlet header 16A, which is connected to the core body near the air outlet end cavity 12B, wherein the coolant inlet header 16A is cylindrical and has an oval first base 19A at the bottom.
The multifunctional intercooler 10 for a fuel cell system further includes a coolant outlet header 16B connected to the core 11 near the intake end cavity 12A. The coolant outlet pier 16B is cylindrical and has an oval second base 19B at the bottom, and the coolant outlet pier 16B has the same cross-sectional area as the coolant inlet pier 16A. The cooling liquid for cooling the high-temperature air in the core 11 enters the core 11 through the cooling liquid inlet pier head 16A, and the cooled cooling liquid is output from the core 11 through the cooling liquid outlet pier head 16B.
As shown in fig. 1 or 2, the multifunctional intercooler 10 for a fuel cell system further includes two mounting plates 17, the two mounting plates 17 are identical zigzag mounting plates, and are respectively mounted at intermediate positions of both ends of the same side surface of the core 11, and the two mounting plates 17 are mirror-mounted. The mounting plate 17 is used to secure the fuel cell system with the multi-functional intercooler 10 to the fuel cell system. Two fixing holes 18 for installing insulation pads are arranged on one transverse surface of the two mounting plates 17, and the side edges of the other transverse surface are respectively connected to the middle positions of two ends of the same side surface of the core 11. The fixing hole 18 on the mounting plate 17 has larger aperture, is convenient for the subsequent mounting of the insulating pad, and has an insulating effect when the multifunctional intercooler 10 for a fuel cell system is mounted on the fuel cell system.
Continuing with the same embodiment, the multifunctional intercooler 10 for a fuel cell system is formed by connecting to a core
Two mounting plates 17 on the body 11 are fixed to the material cell system. The high-temperature air enters the core 11, the cooling liquid enters the core 11 through the cooling liquid inlet pier 16A near the air outlet end cavity 12B, the high-temperature air entering the core 11 from the air inlet end cavity 12A is cooled in the core 11, after cooling, the cooling liquid flows out of the core 11 through the cooling liquid outlet pier 16B near the air inlet end cavity 12A, and the cooled air flows out of the core 11 to the air outlet end cavity 12B. In the process of cooling the high-temperature air by the cooling liquid, the flowing direction of the high-temperature air is opposite to that of the cooling liquid, so that the cooling liquid can cool the high-temperature air more fully, and the cooling rate is accelerated.
The multifunctional intercooler for the fuel cell system is characterized in that the cavity of the air outlet end is integrally connected with the second air outlet pier head for bypass air exhaust, the third air outlet pier head for purging the electric pile and the temperature and pressure sensor, and the multifunctional intercooler for the fuel cell system has the advantages that the use of other parts is reduced through an all-in-one structure, so that the arrangement of the whole fuel cell system is simplified, and the cost is reduced.
The present utility model has been described in detail with reference to the embodiments of the drawings, and those skilled in the art can make various modifications to the utility model based on the above description. Accordingly, certain details of the embodiments are not to be interpreted as limiting the utility model, which is defined by the appended claims.
Claims (12)
1. A multifunctional intercooler for a fuel cell system, the multifunctional intercooler for a fuel cell system comprising:
a core for cooling air;
the air inlet end cavity and the air outlet end cavity are respectively and symmetrically arranged on two opposite side surfaces of the core body;
the air inlet pier head and the first air outlet pier head are respectively arranged on the air inlet end cavity and the air outlet end cavity;
the multifunctional intercooler for the fuel cell system is characterized by further comprising:
and the second air outlet pier head and/or the third air outlet pier head are integrally connected to the air outlet end cavity.
2. The multi-functional intercooler for a fuel cell system according to claim 1, wherein the second air outlet header is an air outlet bypass header.
3. The multi-functional intercooler for a fuel cell system of claim 1, wherein the third air outlet header is an air outlet purge header.
4. The multifunctional intercooler for a fuel cell system according to claim 1, wherein the multifunctional intercooler for a fuel cell system further comprises:
and the temperature and pressure sensor is integrally connected to the air outlet end cavity.
5. The multifunctional intercooler for a fuel cell system according to claim 1, wherein the multifunctional intercooler for a fuel cell system further comprises:
the cooling liquid inlet pier head is connected to the core body and is close to the cavity of the air outlet end;
and the cooling liquid outlet pier head is connected to the core body and is close to the cavity of the air inlet end.
6. The multifunctional intercooler for a fuel cell system according to claim 1, wherein
The second air outlet pier heads and the third air outlet pier heads are reversely arranged and connected to the air outlet end cavity.
7. The multi-functional intercooler for a fuel cell system according to claim 1, wherein the multi-functional intercooler for a fuel cell system further comprises a mounting plate for fixing the multi-functional intercooler for a fuel cell system to a fuel cell system, connected to the core.
8. The multifunctional intercooler for a fuel cell system according to claim 7, wherein the mounting plates are respectively provided with fixing holes.
9. The multifunctional intercooler for a fuel cell system according to claim 3, wherein the ratio of the cross-sectional area of the first air outlet header to the cross-sectional area of the air inlet header is 100: 80-120.
10. The multifunctional intercooler for a fuel cell system according to claim 9, wherein the ratio of the cross-sectional area of the first air outlet header to the cross-sectional area of the air inlet header is 100:100.
11. the multifunctional intercooler for a fuel cell system according to claim 3, wherein the ratio of the cross-sectional areas of the first air outlet pier head to the second air outlet pier head to the third air outlet pier head is 100: 16-24: 4 to 6.
12. The multi-functional intercooler for a fuel cell system according to claim 11, wherein the ratio of the cross-sectional areas of the first air outlet pier head to the second air outlet pier head to the third air outlet pier head is 100:20:5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222891262.4U CN218996772U (en) | 2022-10-31 | 2022-10-31 | Multifunctional intercooler for fuel cell system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222891262.4U CN218996772U (en) | 2022-10-31 | 2022-10-31 | Multifunctional intercooler for fuel cell system |
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| Publication Number | Publication Date |
|---|---|
| CN218996772U true CN218996772U (en) | 2023-05-09 |
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|---|---|---|---|
| CN202222891262.4U Active CN218996772U (en) | 2022-10-31 | 2022-10-31 | Multifunctional intercooler for fuel cell system |
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| CN (1) | CN218996772U (en) |
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- 2022-10-31 CN CN202222891262.4U patent/CN218996772U/en active Active
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