CN216213570U - Intercooler with air inlet bypass for fuel cell - Google Patents

Intercooler with air inlet bypass for fuel cell Download PDF

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Publication number
CN216213570U
CN216213570U CN202122535420.8U CN202122535420U CN216213570U CN 216213570 U CN216213570 U CN 216213570U CN 202122535420 U CN202122535420 U CN 202122535420U CN 216213570 U CN216213570 U CN 216213570U
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liquid
chamber
air inlet
air
gas
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CN202122535420.8U
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相文林
袁跃萍
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Yangzhou Zhongde Auto Parts Co ltd
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Yangzhou Zhongde Auto Parts Co ltd
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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 an intercooler with an air inlet bypass for a fuel cell in the field of fuel cells, which comprises a shell, wherein a heat dissipation core is arranged in the shell, a plurality of gas channels and liquid channels are formed in the heat dissipation core, an air inlet chamber and an air outlet chamber are respectively arranged on the front side and the rear side of the shell, each gas channel is communicated with the air inlet chamber and the air outlet chamber, a connecting flange is arranged on the lower side of the air inlet chamber, a flange hole is communicated with the inside of the air inlet chamber, an annular sealing groove is formed in the connecting flange, an air inlet pipe is arranged on the right side of the air inlet chamber, an air outlet pipe is arranged on the rear side of the air outlet chamber, a water chamber is arranged on each of the left side and the right side of the shell, each liquid channel is communicated with two water chambers, and a liquid inlet pipe and a liquid outlet pipe are arranged on each water chamber; the shell is provided with a plurality of mounting brackets. The utility model can improve the working efficiency of the fuel cell stack and prevent the inlet air of the fuel cell from entering the intercooler for cooling when the inlet air of the fuel cell does not reach the working temperature.

Description

Intercooler with air inlet bypass for fuel cell
Technical Field
The utility model belongs to the field of fuel cells, and particularly relates to an intercooler with an air inlet bypass for a fuel cell.
Background
In the prior art, when a fuel cell stack works, hydrogen and air are respectively introduced from different inlets, the air can enter the stack only after sequentially passing through an air filter, an air compressor, an intercooler and a humidifier, and the air filter can filter dust and sulfur compounds; in order to improve the power generation power, an air compressor is needed to pressurize the gas; and according to the ideal gas state equation: pV = nRT, the gas constant is constant, the volume is constant, and the temperature of the gas increases after the pressure increases, so an intercooler needs to be provided, because the intercooler functions to cool the gas to the temperature required by the galvanic pile, and the humidifier functions to humidify the gas; hydrogen directly enters the galvanic pile from the other inlet; oxygen and hydrogen enter the galvanic pile and then carry out electrochemical reaction with the catalyst. The disadvantages are that: the working efficiency of the fuel cell stack can be improved after the fuel cell stack reaches the working temperature, and when the air inlet of the fuel cell does not reach the working temperature, if the fuel cell stack is cooled by an intercooler, the working efficiency of the fuel cell stack can be further reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an intercooler with an air inlet bypass for a fuel cell, which can improve the working efficiency of a fuel cell stack and prevent air inlet of the fuel cell from entering the intercooler for cooling when the air inlet of the fuel cell does not reach the working temperature.
The purpose of the utility model is realized as follows: an intercooler for a fuel cell with an air inlet bypass comprises a shell, wherein a heat dissipation core body is arranged in the shell, a plurality of gas channels and liquid channels are arranged on the heat dissipation core body, the length directions of the gas channels and the liquid channels are mutually vertical, the gas channels and the liquid channels are sequentially and alternately arranged, an air inlet chamber and an air outlet chamber are respectively arranged on the front side and the rear side of the shell, each gas channel is communicated with the air inlet chamber and the air outlet chamber, a connecting flange is arranged on the lower side of the air inlet chamber, a flange hole of the connecting flange is communicated with the inside of the air inlet chamber, the connecting flange is rectangular, at least four connecting holes are arranged on the connecting flange, an annular sealing groove is arranged on the connecting flange, the inner diameter of the annular sealing groove is larger than the aperture of the flange hole, an air inlet pipe is arranged on the right side of the air inlet chamber, an air outlet pipe is arranged on the rear side of the air outlet chamber, and a water chamber is arranged on each of the left side and the right side of the shell, each liquid channel is communicated with two water chambers, and a liquid inlet pipe and a liquid outlet pipe are arranged on each water chamber; the shell is provided with a plurality of mounting brackets.
When the air inlet of the fuel cell is low and the temperature is lower than the working temperature of the fuel cell stack, the air throttle is closed, and the air inlet pipe directly enters the humidifier and then enters the fuel cell stack through the air throttle after entering the air inlet chamber; when the inlet air temperature of the pressurized air of the inlet pipe is higher than the working temperature of the galvanic pile and needs to be cooled, the air throttle is closed, the pressurized air enters the air outlet chamber after entering the air passage and is discharged from the air outlet pipe, meanwhile, the cooling liquid of the liquid inlet pipe is discharged from the liquid outlet pipe through the liquid passage, and the cooling liquid in the heat dissipation core cools the pressurized air. Compared with the prior art, the utility model has the beneficial effects that: the working efficiency of the fuel cell stack can be improved, the fuel cell is prevented from entering the intercooler for cooling when the inlet air of the fuel cell does not reach the working temperature, and the inlet air temperature of the fuel cell stack can quickly reach the working temperature.
As a further improvement of the utility model, the connecting flange is connected with the air throttle, and a sealing ring is arranged in the annular sealing groove; the axis of the flange hole and the central line of the connecting flange are staggered by 2 mm. The sealing washer can improve the leakproofness of being connected between intercooler and the throttle valve.
As a further improvement of the utility model, the liquid inlet pipe and the liquid outlet pipe are both arranged on the water chamber on the right side, and the liquid inlet pipe is arranged close to the air inlet pipe.
As a further improvement of the utility model, the heat dissipation core comprises a first core body and a second core body which correspond to each other in front and back, the first core body and the second core body are identical in structure, the first core body and the second core body are both of plate-fin type, a plurality of longitudinal first gas channels and transverse first liquid channels are formed in the first core body, the first gas channels and the first liquid channels are sequentially and alternately arranged, a plurality of longitudinal second gas channels and transverse second liquid channels are formed in the second core body, the second gas channels and the second liquid channels are sequentially and alternately arranged, a partition plate is arranged in the water chamber on the right side, the interior of the water chamber on the right side is divided into a liquid inlet area and a liquid outlet area through the partition plate, the first liquid channels are communicated with the water chamber on the left side and the liquid outlet area, the second gas channels are communicated with the gas inlet chamber, the first gas channels and the second gas channels are correspondingly communicated with each other, and the second gas outlet chamber is communicated with the gas outlet chamber. The pressurized air is arranged through the gas channels I and the gas channels II in sequence, and the cooling liquid passes through the liquid inlet area of the water chamber on the right side, the water chambers on the left side and the liquid channels I and the liquid channels II in sequence and finally enters the liquid outlet area of the water chamber on the right side; the charge air exchanges heat with the coolant.
As a further improvement of the utility model, a liquid discharge pipe communicated with the liquid outlet area is arranged on the water chamber on the right side, and an exhaust pipe is arranged on the air inlet chamber. The liquid discharge pipe and the exhaust pipe can respectively discharge liquid and exhaust gas.
In order to facilitate installation, the edges of the air inlet chamber, the left side water chamber and the right side water chamber are provided with an installation support.
Drawings
Fig. 1 is a schematic bottom structure of the present invention.
Fig. 2 is a right side schematic view of the present invention.
Fig. 3 is a left side schematic view of the present invention.
Fig. 4 is a rear side structure diagram of the present invention.
Fig. 5 is a top view of the heat dissipating core.
Fig. 6 is a vertical sectional view of the heat dissipating core.
Fig. 7 is a cross-sectional view of the attachment flange.
Fig. 8 is a side view of the attachment flange.
The gas-liquid separator comprises a shell 1, a gas inlet chamber 2, a gas outlet chamber 3, a connecting flange 4, a flange hole 4a, a connecting hole 5, a sealing groove 6, a gas inlet pipe 7, a gas outlet pipe 8, a water chamber 9, a liquid inlet pipe 10, a liquid outlet pipe 11, a mounting support 12, a first core body 13, a second core body 14, a first gas channel 15, a first liquid channel 16, a partition plate 17, a liquid inlet area 18, a liquid outlet area 19, a liquid discharge pipe 20 and a gas discharge pipe 21.
Detailed Description
As shown in fig. 1-8, an intercooler for a fuel cell with an air intake bypass comprises a housing 1, a heat dissipation core is arranged in the housing 1, a plurality of gas channels and liquid channels are arranged on the heat dissipation core, the length directions of the gas channels and the liquid channels are mutually perpendicular, each gas channel and each liquid channel are sequentially and alternately arranged, an air intake chamber 2 and an air exhaust chamber 3 are respectively arranged at the front side and the rear side of the housing 1, each gas channel is communicated with the air intake chamber 2 and the air exhaust chamber 3, a connecting flange 4 is arranged at the lower side of the air intake chamber 2, a flange hole 4a of the connecting flange 4 is communicated with the inside of the air intake chamber 2, the connecting flange 4 is rectangular, at least four connecting holes 5 are arranged on the connecting flange 4, an annular sealing groove 6 is arranged on the connecting flange 4, the inner diameter of the annular sealing groove 6 is larger than the aperture of the flange hole 4a, an air intake pipe 7 is arranged at the right side of the air intake chamber 2, an air outlet pipe 8 is arranged at the rear side of the air outlet chamber 3, a water chamber 9 is arranged at each of the left side and the right side of the shell 1, each liquid channel is communicated with the two water chambers 9, and a liquid inlet pipe 10 and a liquid outlet pipe 11 are arranged on each water chamber 9; the housing 1 is provided with a plurality of mounting brackets 12.
In order to ensure reliable sealing when the intercooler is connected with the air throttle, the connecting flange 4 is connected with the air throttle, and a sealing ring is arranged in the annular sealing groove 6; the axis of the flange hole 4a and the central line of the connecting flange 4 are staggered by 2 mm. The sealing washer can improve the leakproofness of being connected between intercooler and the throttle valve.
Liquid inlet pipe 10 and drain pipe 11 all set up on hydroecium 9 on right side, and liquid inlet pipe 10 is close to intake pipe 7 and sets up. In order to increase the contact area and the contact time between the pressurized air and the cooling liquid, the heat dissipation core comprises a first core body 13 and a second core body 14 which correspond to each other in the front-back direction, the first core body 13 and the second core body 14 are identical in structure, the first core body 13 and the second core body 14 are both of plate-fin type, a plurality of longitudinal first gas channels 15 and transverse first liquid channels 16 are arranged on the first core body 13, each first gas channel 15 and each first liquid channel 16 are sequentially and alternately arranged, a plurality of longitudinal second gas channels and transverse second liquid channels are arranged on the second core body 14, each second gas channel and each second liquid channel are sequentially and alternately arranged, a partition plate 17 is arranged inside the water chamber 9 on the right side, the inside of the water chamber 9 on the right side is divided into a liquid inlet area 18 and a liquid outlet area 19 through the partition plate 17, each first liquid channel 16 is communicated with the water chamber 9 on the left side and the liquid outlet area 19, each first gas channel 15 is communicated with the gas inlet chamber 2, the first gas channels 15 and the second gas channels are correspondingly communicated with each other, and the second gas channels are communicated with the gas outlet chamber 3. The pressurized air sequentially passes through the gas channels I15 and the gas channels II, and the cooling liquid sequentially passes through the liquid inlet area 18 of the water chamber 9 on the right side, the liquid channels I16, the water chamber 9 on the left side and the liquid channels II and finally enters the liquid outlet area 19 of the water chamber 9 on the right side; the charge air exchanges heat with the coolant.
In order to facilitate the discharge of cooling liquid and exhaust gas, the right water chamber 9 is provided with a liquid discharge pipe 20 communicated with the liquid discharge area 19, and the air inlet chamber 2 is provided with an exhaust pipe 21. The liquid discharge pipe 20 and the gas discharge pipe 21 can discharge liquid and gas, respectively.
For the convenience of installation, the edges of the air inlet chamber 2, the left side water chamber 9 and the right side water chamber 9 are all provided with a mounting bracket 12.
When the air inlet of the fuel cell is low and the temperature is lower than the working temperature of the fuel cell stack, the air throttle valve is closed, and the air inlet pipe 7 directly enters the humidifier and then enters the stack through the air throttle valve after entering the air inlet chamber 2; when the inlet air temperature of the pressurized air in the air inlet pipe 7 is higher than the working temperature of the electric pile and needs to be cooled, the air throttle is closed, the pressurized air sequentially passes through the first gas channel 15 and the second gas channel, the cooling liquid sequentially passes through the liquid inlet area 18 of the right water chamber 9, the first liquid channel 16, the left water chamber 9 and the second liquid channel from the liquid inlet pipe 10, finally enters the liquid outlet area 19 of the right water chamber 9 and is discharged through the liquid discharge pipe 20; the supercharged air and the cooling liquid exchange heat, and the cooling liquid in the heat dissipation core body cools the supercharged air. The utility model has the advantages that: the working efficiency of the fuel cell stack can be improved, the fuel cell is prevented from entering the intercooler for cooling when the inlet air of the fuel cell does not reach the working temperature, and the inlet air temperature of the fuel cell stack can quickly reach the working temperature.
The present invention is not limited to the above-mentioned embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some technical features without creative efforts according to the disclosed technical contents, and these substitutions and modifications are all within the protection scope of the present invention.

Claims (6)

1. An intercooler for a fuel cell with an air inlet bypass is characterized by comprising a shell, wherein a heat dissipation core body is arranged in the shell, a plurality of gas channels and liquid channels are arranged on the heat dissipation core body, the length directions of the gas channels and the liquid channels are mutually vertical, and the gas channels and the liquid channels are sequentially and alternately arranged, the intercooler is characterized in that an air inlet chamber and an air outlet chamber are respectively arranged at the front side and the rear side of the shell, each gas channel is communicated with the air inlet chamber and the air outlet chamber, a connecting flange is arranged at the lower side of the air inlet chamber, a flange hole of the connecting flange is communicated with the inside of the air inlet chamber, the connecting flange is rectangular, at least four connecting holes are arranged on the connecting flange, an annular sealing groove is arranged on the connecting flange, the inner diameter of the annular sealing groove is larger than that of the flange hole, an air inlet pipe is arranged at the right side of the air inlet chamber, and an air outlet pipe is arranged at the rear side of the air outlet chamber, the left side and the right side of the shell are both provided with a water chamber, each liquid channel is communicated with two water chambers, and the water chambers are provided with a liquid inlet pipe and a liquid outlet pipe; the shell is provided with a plurality of mounting brackets.
2. The intercooler of claim 1, wherein the connecting flange is connected to a throttle valve, and a sealing ring is disposed in the annular sealing groove; the axis of the flange hole and the central line of the connecting flange are staggered by 2 mm.
3. The intercooler of claim 1 or 2, wherein the inlet pipe and the outlet pipe are both disposed on the right side of the water chamber, and the inlet pipe is disposed near the inlet pipe.
4. The intercooler of claim 3, wherein the heat dissipating core comprises a first core and a second core which correspond to each other in a front-back direction, the first core and the second core have the same structure, the first core and the second core are both of a plate-fin type, the first core is provided with a plurality of longitudinal first gas channels and a plurality of transverse first liquid channels, each first gas channel and each first liquid channel are alternately arranged in sequence, the second core is provided with a plurality of longitudinal second gas channels and transverse second liquid channels, each second gas channel and each second liquid channel are alternately arranged in sequence, a partition plate is arranged inside the water chamber on the right side, the inside of the water chamber on the right side is divided into a liquid inlet area and a liquid outlet area through the partition plate, each first liquid channel is communicated with the water chamber on the left side and the liquid outlet area, each second liquid channel is communicated with the liquid inlet chamber, each gas channel I and each gas channel II are correspondingly communicated with each other, and each gas channel II is communicated with the gas outlet chamber.
5. The intercooler of claim 1 or 2, wherein the right side of the water chamber is provided with a drain pipe communicated with the liquid outlet area, and the air inlet chamber is provided with an exhaust pipe.
6. The intercooler of claim 1 or 2, wherein the edges of the inlet chamber, the left side water chamber and the right side water chamber are provided with a mounting bracket.
CN202122535420.8U 2021-10-21 2021-10-21 Intercooler with air inlet bypass for fuel cell Active CN216213570U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122535420.8U CN216213570U (en) 2021-10-21 2021-10-21 Intercooler with air inlet bypass for fuel cell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122535420.8U CN216213570U (en) 2021-10-21 2021-10-21 Intercooler with air inlet bypass for fuel cell

Publications (1)

Publication Number Publication Date
CN216213570U true CN216213570U (en) 2022-04-05

Family

ID=80886037

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122535420.8U Active CN216213570U (en) 2021-10-21 2021-10-21 Intercooler with air inlet bypass for fuel cell

Country Status (1)

Country Link
CN (1) CN216213570U (en)

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