CN216488165U - Hydrogen fuel cell system structure - Google Patents
Hydrogen fuel cell system structure Download PDFInfo
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- CN216488165U CN216488165U CN202122046117.1U CN202122046117U CN216488165U CN 216488165 U CN216488165 U CN 216488165U CN 202122046117 U CN202122046117 U CN 202122046117U CN 216488165 U CN216488165 U CN 216488165U
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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
Abstract
The utility model discloses a hydrogen fuel cell system structure, comprising: the shell comprises a bottom shell, a side cover and an upper cover, wherein the side cover and the upper cover are detachably connected with the bottom shell; a galvanic pile; a hydrogen gas intake circulation system; an air inlet and outlet system; a cooling liquid circulation system and a power output system; power output system fixed connection in the casing inside wall, hydrogen air intake circulation system air admission and discharge system with coolant liquid circulation system all locates the power output system end is kept away from to the pile, and hydrogen air intake circulation system, air admission and discharge system and coolant liquid circulation system fixed connection in the casing inside wall. According to the utility model, different functional component modules in the hydrogen fuel cell are designed and installed in a modularized manner, so that the overall volume of the hydrogen fuel cell can be reduced, the installation process is more convenient, and the detachable design of the side cover and the upper cover facilitates the installation and maintenance work of the hydrogen fuel cell in the use process.
Description
Technical Field
The utility model relates to the technical field of new energy batteries, in particular to a hydrogen fuel cell system structure.
Background
With the continuous advance of the industrialization process of the human society, the living environment of people is gradually poor, the demand of people on new pollution-free energy is more and more urgent, and the hydrogen fuel cell is taken as a power generation device with water as an output and is more and more emphatically paid attention by more countries internationally. However, the current hydrogen fuel cell has the problems of large volume, more parts and difficult installation and maintenance.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problems of large volume, more parts and difficult installation and maintenance of the conventional hydrogen fuel cell.
In order to solve the above technical problem, the present invention provides a hydrogen fuel cell system structure comprising:
the shell is divided into a bottom shell, a side cover and an upper cover, and the side cover and the upper cover are detachably connected to the bottom shell;
the galvanic pile is arranged in the bottom shell, the galvanic pile is fixedly connected to the bottom end of the bottom shell, one end of the galvanic pile is set as an anode, and the other end of the galvanic pile is set as a cathode;
the anode of the electric pile is communicated with the hydrogen inlet circulating system, and the gas inlet end of the hydrogen inlet circulating system extends out of the bottom shell and is communicated with a hydrogen source;
the cathode of the electric pile is communicated with the air inlet and outlet system, the air inlet end of the air inlet and outlet system extends out of the bottom shell and is communicated with an air source, and the air outlet end of the air inlet and outlet system extends out of the bottom shell;
the cooling liquid circulating system penetrates through the galvanic pile, and a liquid inlet end and a liquid outlet end of the cooling liquid circulating system extend out of the bottom shell and are communicated with the cooling water tank;
the power output system is electrically connected to the output end of the electric pile;
the power output system is arranged at the side end of the galvanic pile, the power output system is fixedly connected with the inner side wall of the bottom case, the hydrogen air inlet circulation system is arranged at the air inlet and outlet system and the cooling liquid circulation system is arranged at the end of the galvanic pile far away from the power output system, and the hydrogen air inlet circulation system is fixedly connected with the air inlet and outlet system and the cooling liquid circulation system is fixedly connected with the inner side wall of the bottom case.
Further comprising: the hydrogen gas intake circulation system includes: the hydrogen inlet is fixedly connected to the outer wall of the bottom shell, and extends out of the bottom shell end to be communicated with a hydrogen source; the hydrogen inlet pipe is communicated with the hydrogen inlet and is far away from a hydrogen source end, a hydrogen inlet electromagnetic valve, a first pressure sensor and a hydrogen constant pressure difference pressure regulating valve are sequentially connected to the outer wall of a connecting pipeline between the hydrogen inlet and the hydrogen inlet pipe, and a second pressure sensor and a pressure switch are connected to the hydrogen inlet pipe; the hydrogen outlet pipe is communicated with the hydrogen inlet pipe and is far away from the hydrogen inlet end, and the anode of the galvanic pile is communicated with a connecting pipeline between the hydrogen outlet pipe and the hydrogen inlet pipe; one end of the hydrogen circulating pipeline is communicated with the end, far away from the galvanic pile, of the hydrogen outlet pipe, and one end of the hydrogen circulating pipeline is communicated with the hydrogen inlet pipe; the hydrogen circulating pump is communicated with the hydrogen circulating pipeline; the explosion valve is arranged at the joint of the hydrogen outlet pipe and the hydrogen circulating pipeline and communicated with the air outlet end of the air inlet and outlet system.
Further comprising: the air inlet and outlet system comprises: the air inlet is fixedly connected to the outer wall of the bottom shell, and extends out of the end of the bottom shell to be communicated with an air source; the air inlet pipe is communicated with the air inlet and is far away from the air source end, the outer wall of the air inlet pipe is sequentially connected with a third pressure sensor, a constant differential pressure regulating valve air source interface and a first temperature sensor in an arranging manner, and the constant differential pressure regulating valve air source interface is connected with the hydrogen constant differential pressure regulating valve; the air outlet pipe is communicated with the air inlet pipe and is far away from the air inlet end, and the cathode of the electric pile is communicated with a connecting pipeline between the air inlet pipe and the air outlet pipe; and the air outlet is communicated with the air outlet pipe which is far away from the end of the electric pile, and the air outlet extends out of the bottom shell.
Further comprising: the cooling liquid circulation system includes: the cooling liquid inlet is fixedly connected to the outer wall of the bottom shell, extends out of the bottom shell and is communicated with the cooling water tank; the cooling liquid inlet pipe is communicated with the end, far away from the cooling water tank, of the cooling liquid inlet; the liquid inlet pipe of the cooling liquid galvanic pile is communicated with the liquid inlet pipe of the cooling liquid galvanic pile, which is far away from the inlet end of the cooling liquid, the outer wall of the liquid inlet pipe of the cooling liquid galvanic pile is connected with a second temperature sensor, and a connecting pipeline between the liquid inlet pipe of the cooling liquid galvanic pile and the liquid inlet pipe of the cooling liquid galvanic pile is sequentially connected with a thermostatic valve and a water pump; the liquid outlet pipe of the cooling liquid galvanic pile is communicated with the end, far away from the end of the liquid inlet pipe of the cooling liquid galvanic pile, and the galvanic pile is communicated with a connecting pipeline between the liquid outlet pipe of the cooling liquid galvanic pile and the liquid inlet pipe of the cooling liquid galvanic pile; the cooling liquid overflow and return flow port is fixedly connected to the outer wall of the bottom shell and is connected to the cooling liquid inlet pipe through a cooling liquid overflow and return flow pipe; and the liquid outlet of the cooling liquid galvanic pile is far away from the galvanic pile end and is respectively communicated with the liquid outlet of the cooling liquid and the thermostatic valve, and the liquid outlet of the cooling liquid and the liquid inlet of the cooling liquid are communicated with the cooling water tank through a pipeline.
Further comprising: the cooling water tank comprises a first cooling water tank and a second cooling water tank which are arranged in parallel.
Further comprising: the power output system includes: the two electrode blocks are respectively and electrically connected with the anode and the cathode of the electric pile; the electrode connecting plate is electrically connected between the two electrode blocks; the positive and negative connecting plates are respectively connected to two ends of the electrode connecting plate; the positive and negative electrodes of the power supply contactor are respectively connected with the two positive and negative connecting plates; the power supply output electrode plate is electrically connected with the power supply contactor; the power output socket is fixedly connected to the outer wall of the bottom shell, and is electrically connected to the power output electrode plate far away from the end of the power contactor, and the power output socket is externally connected with an electric device.
Further comprising: the electric pile pass through electric pile mount fixed connection in the drain pan bottom, the electric pile outer wall is provided with electric pile inlet of admitting air and electric pile outlet port of giving vent to anger, electric pile inlet of admitting air through set up in the inside pipeline of electric pile communicate in the electric pile outlet port of giving vent to anger, the quantity of electric pile inlet of admitting air and electric pile outlet port of giving vent to anger is three groups, just electric pile inlet of admitting air and electric pile outlet port one-to-one are connected, three groups electric pile inlet of admitting air and electric pile outlet port of giving vent to anger communicate respectively in hydrogen intake pipe and hydrogen outlet duct air intake pipe and air outlet duct and coolant liquid electric pile feed liquor pipe and coolant liquid drain pipe.
Drawings
FIG. 1 is a block diagram of a hydrogen fuel cell of the present invention;
fig. 2 is a rear view of the structure of a hydrogen fuel cell of the present invention;
FIG. 3 is a front view of the outer appearance of the housing of the present invention;
FIG. 4 is a schematic diagram of a hydrogen gas intake circulation system according to the present invention;
FIG. 5 is a block diagram of the air inlet and outlet system of the present invention;
FIG. 6 is a structural view of a cooling fluid circulation system of the present invention;
fig. 7 is a diagram of the power output system of the present invention.
1 is a shell, 101 is a bottom shell, 102 is a side cover, 103 is an upper cover, 2 is a galvanic pile, 201 is a galvanic pile air inlet and inlet, 202 is a galvanic pile air outlet and outlet, 203 is a galvanic pile fixing frame, 3 is a hydrogen air inlet circulation system, 301 is a hydrogen inlet, 302 is a hydrogen inlet pipe, 303 is a hydrogen inlet electromagnetic valve, 304 is a first pressure sensor, 305 is a hydrogen constant pressure difference pressure regulating valve, 306 is a second pressure sensor, 307 is a pressure switch, 308 is a hydrogen outlet pipe, 309 is a hydrogen circulation pipeline, 310 is a hydrogen circulation pump, 311 is a blast valve, 4 is an air inlet and outlet system, 401 is an air inlet, 402 is an air inlet pipe, 403 is a third pressure sensor, 404 is a constant pressure difference pressure regulating valve air source interface, 405 is a first temperature sensor, 406 is an air outlet pipe, 407 is an air outlet, 5 is a cooling liquid circulation system, 501 is a cooling liquid inlet, 502 is a cooling liquid inlet pipe, 503 is a liquid inlet pipe of the cooling liquid galvanic pile, 504 is a thermostatic valve, 505 is a water pump, 506 is a liquid outlet pipe of the cooling liquid galvanic pile, 507 is a second temperature sensor, 508 is a cooling liquid overflow outlet, 509 is a cooling liquid overflow outlet, 510 is a cooling liquid outlet, 6 is a power output system, 601 is an electrode block, 602 is an electrode connecting plate, 603 is a positive and negative connecting plate, 604 is a power contactor, 605 is a power output electrode plate, and 606 is a power output socket.
Detailed Description
The present invention is further described with reference to the following drawings and specific examples so that those skilled in the art can better understand the present invention and can practice the present invention, but the examples are not intended to limit the present invention.
As shown in fig. 1 to 7, an embodiment of the present invention provides a hydrogen fuel cell system structure including:
the shell 1 is divided into a bottom shell 101, a side cover 102 and an upper cover 103, wherein the side cover 102 and the upper cover 103 are detachably connected to the bottom shell 101 through bolts;
the galvanic pile 2 is arranged in the bottom shell 1, the galvanic pile 2 is fixedly connected to the bottom end of the bottom shell 1, one end of the galvanic pile 2 is set as an anode, and the other end of the galvanic pile 2 is set as a cathode;
the anode of the electric pile 2 is communicated with the hydrogen inlet circulation system 3, and the air inlet end of the hydrogen inlet circulation system 3 extends out of the bottom shell 1 and is communicated with a hydrogen source;
the cathode of the electric pile 2 is communicated with the air inlet and outlet system 4, the air inlet end of the air inlet and outlet system 4 extends out of the bottom shell 1 and is communicated with an air source, and the air outlet end of the air inlet and outlet system 4 extends out of the bottom shell 1;
the cooling liquid circulating system 5 penetrates through the electric pile 2, and the liquid inlet end and the liquid outlet end of the cooling liquid circulating system 5 extend out of the bottom shell 1 and are communicated with a cooling water tank;
the power output system 6 is electrically connected to the output end of the galvanic pile 2;
the power output system 6 is arranged at the side end of the electric pile 2, the power output system 6 is fixedly connected with the inner side wall of the bottom case 1, the hydrogen gas inlet and outlet system 3 is arranged at the air inlet and outlet system 4, the cooling liquid circulation system 5 is arranged at the end, far away from the power output system 6, of the electric pile 2, and the hydrogen gas inlet and outlet system 3 is arranged at the air inlet and outlet system 4, and the cooling liquid circulation system 5 is fixedly connected with the inner side wall of the bottom case 1.
The working principle and the beneficial effects of the scheme are as follows: when the hydrogen fuel cell is installed, the side cover 102 and the upper cover 103 are detached from the bottom case 101, the electric pile 2 is installed in the bottom case 101, the hydrogen gas inlet and outlet system 3, the air inlet and outlet system 4, the cooling liquid circulation system 5 and the power output system 6 are sequentially installed and connected, and the side cover 102 and the upper cover 103 are fixedly installed on the bottom case 101.
In one embodiment of the present invention, the hydrogen intake circulation system 3 includes: the hydrogen inlet 301 is fixedly connected to the outer wall of the bottom shell 1, and the end, extending out of the bottom shell 1, of the hydrogen inlet 301 is communicated with a hydrogen source; a hydrogen inlet pipe 302, wherein the hydrogen inlet pipe 302 is communicated with the hydrogen inlet 301 and is far from a hydrogen source end, a hydrogen inlet electromagnetic valve 303, a first pressure sensor 304 and a hydrogen constant pressure difference pressure regulating valve 305 are sequentially connected to the outer wall of a connecting pipeline from the hydrogen inlet 301 to the hydrogen inlet pipe 302, and a second pressure sensor 306 and a pressure switch 307 are connected to the hydrogen inlet pipe 302; the hydrogen outlet pipe 308 is communicated with the end, far away from the hydrogen inlet 301, of the hydrogen inlet pipe 302, and the anode of the galvanic pile 2 is communicated with a connecting pipeline between the hydrogen outlet pipe 308 and the hydrogen inlet pipe 302; one end of the hydrogen circulating pipeline 309 is communicated with the end, far away from the galvanic pile 2, of the hydrogen outlet pipe 308, and one end of the hydrogen circulating pipeline 309 is communicated with the hydrogen inlet pipe 302; the hydrogen circulating pump 310 is communicated with the hydrogen circulating pipeline 309; and the explosion valve 311 is arranged at the joint of the hydrogen outlet pipe 308 and the hydrogen circulating pipeline 309, and the explosion valve 311 is communicated with the air outlet end of the air inlet and outlet system 4.
The working principle and the beneficial effects of the scheme are as follows: the hydrogen gas inlet circulation system 3 has a working process that a hydrogen source transmits hydrogen gas into a hydrogen gas inlet pipe 302 through a hydrogen inlet 301, the hydrogen gas reacts through the anode of the galvanic pile 2, the hydrogen gas which does not react enters a hydrogen gas outlet pipe 308 and then enters the hydrogen gas inlet pipe 302 through a hydrogen circulation pipeline 309, the pressure and the flow of the hydrogen gas entering the galvanic pile are controlled through a hydrogen gas inlet electromagnetic valve 303, a first pressure sensor 304 and a hydrogen constant pressure difference pressure regulating valve 305, a second pressure sensor 306 and a pressure switch 307 play a monitoring role, so that a worker can know the working state of the hydrogen gas inlet circulation system 3 at any time and control the hydrogen gas entering the hydrogen gas circulation pipeline 309 again enters the hydrogen gas inlet pipe 302 through a hydrogen circulation pump 310 to participate in reaction, and a burst valve 311 is used for avoiding excessive hydrogen gas remaining in the hydrogen gas outlet pipe 308 and the hydrogen gas circulation pipeline 309, when the pressure of the hydrogen in the pipeline of the hydrogen circulation pipeline 309 exceeds a preset threshold of the explosion valve 311, the explosion valve can send the hydrogen into the air outlet end of the air inlet and outlet system 4 to be discharged.
In one embodiment of the present invention, the air inlet and outlet system 4 comprises: the air inlet 401 is fixedly connected to the outer wall of the bottom shell 1, and the end, extending out of the bottom shell 1, of the air inlet 401 is communicated with an air source; an air inlet pipe 402, the air inlet pipe 402 is communicated with the air inlet 401 and is far from an air source end, a third pressure sensor 403, a constant pressure difference pressure regulating valve air source interface 404 and a first temperature sensor 405 are sequentially connected to the outer wall of the air inlet pipe 402 in an arrayed manner, and the constant pressure difference pressure regulating valve air source interface 404 is connected to the hydrogen constant pressure difference pressure regulating valve 305; an air outlet pipe 406, wherein the air outlet pipe 406 is communicated with the end, away from the air inlet 401, of the air inlet pipe 402, and the cathode of the electric pile 2 is communicated with a connecting pipe between the air inlet pipe 402 and the air outlet pipe 406; and the air outlet 407 is communicated with the end, away from the electric pile 2, of the air outlet pipe 406, and the air outlet 407 extends out of the bottom shell 1.
The working principle and the beneficial effects of the scheme are as follows: the air inlet and outlet system 4 has a working process that an air source conveys air to an air inlet pipe 402 through an air inlet 401, oxygen in the air reacts through a cathode of the electric pile 2, water generated by reaction carried by the residual air enters an air outlet pipe 406 and then is discharged out of the hydrogen fuel cell through an air outlet 407, a third pressure sensor 403 and a first temperature sensor 405 are used for monitoring pressure and temperature data in the air inlet pipe 402, so that a worker can know the working state of the air inlet and outlet system 4 at any time, and the control is convenient, an air source interface 404 of the constant differential pressure regulating valve is connected to a hydrogen constant differential pressure regulating valve 305, and the pressure of the air source is used for controlling the pressure of the hydrogen inlet.
In one embodiment of the present invention, the cooling liquid circulation system 5 includes: the cooling liquid inlet 501 is fixedly connected to the outer wall of the bottom shell 1, and the end, extending out of the bottom shell 1, of the cooling liquid inlet 501 is communicated with the cooling water tank; a cooling liquid inlet pipe 502, wherein the cooling liquid inlet pipe 502 is communicated with the cooling liquid inlet 501 and is far away from the cooling water tank end; a coolant liquid inlet pipe 503, wherein the coolant liquid inlet pipe 503 is communicated with the end of the coolant liquid inlet pipe 502 far away from the coolant liquid inlet 501, the outer wall of the coolant liquid inlet pipe 503 is connected with a second temperature sensor 507, and a connecting pipeline from the coolant liquid inlet pipe 502 to the coolant liquid inlet pipe 503 is sequentially connected with a thermostatic valve 504 and a water pump 505; the coolant liquid pile outlet pipe 506 is communicated with the end, far away from the coolant liquid inlet pipe 502, of the coolant liquid pile inlet pipe 503, and the pile 2 is communicated with a connecting pipeline between the coolant liquid pile outlet pipe 506 and the coolant liquid pile inlet pipe 503; a cooling liquid overflow drain 508, wherein the cooling liquid overflow drain 508 is fixedly connected to the outer wall of the bottom case 1, and the cooling liquid overflow drain 508 is connected to the cooling liquid inlet pipe 502 through a cooling liquid overflow drain 509; the end, far away from the galvanic pile 2, of the cooling liquid galvanic pile liquid outlet pipe 506 is respectively communicated with the cooling liquid outlet 510 and the thermostatic valve 504, and the cooling liquid outlet 510 and the cooling liquid inlet 501 are communicated with a cooling water tank through a pipeline.
The working principle and the beneficial effects of the scheme are as follows: the working process of the cooling liquid circulation system 5 is that a cooling water tank conveys cooling liquid into a cooling liquid inlet pipe 502 through a cooling liquid inlet 501, the cooling liquid enters the galvanic pile 2 through a cooling liquid galvanic pile inlet pipe 503, a thermostatic valve 504 can keep the cooling liquid entering the galvanic pile 2 at a preset temperature, the thermostatic cooling liquid can not only provide a proper temperature for the reaction in the galvanic pile 2, but also can bring the surplus heat generated by the reaction out of the galvanic pile 2, the cooling liquid after absorbing heat enters a cooling liquid outlet 510 through a part of a cooling liquid galvanic pile outlet pipe 506, the other part enters the thermostatic valve 504 as a heat source, the cooling liquid entering the thermostatic valve 504 from the cooling liquid inlet pipe 502 serves as a cold source for adjusting the outlet water temperature of the thermostatic valve 504, the cooling liquid entering the cooling liquid outlet 510 enters the cooling water tank for cooling, a cooling liquid overflow flow pipe 509 is arranged on the cooling liquid inlet pipe 502, when the cooling liquid flows out from the cooling liquid overflow flow-back opening 508, the flow of the cooling liquid in the cooling liquid inlet pipe 502 is enough, the water pump 505 is controlled to output at a constant pressure, and energy consumption and the cooling liquid are saved.
In one embodiment of the present invention, the cooling water tank includes a first cooling water tank and a second cooling water tank, and the first cooling water tank and the second cooling water tank are arranged in parallel.
The working principle and the beneficial effects of the scheme are as follows: the cooling liquid after heat absorption enters the first cooling water tank through the cooling liquid outlet 510 for cooling treatment, and the cooling liquid in the second cooling water tank enters the cooling liquid circulating system 5, so that natural cooling and multi-path cooling circulation of the cooling liquid can be utilized to the maximum extent, and energy consumption is reduced.
In one embodiment of the present invention, the power output system 6 includes: the two electrode blocks 601 are respectively and electrically connected with the anode and the cathode of the electric pile 2; the electrode connecting plate 602 is electrically connected between the two electrode blocks 601; the positive and negative electrode connecting plates 603 are connected to two ends of the electrode connecting plate 602 respectively; the positive electrode and the negative electrode of the power supply contactor 604 are respectively connected to the two positive electrode and negative electrode connecting plates 603; the power supply output electrode plate 605, the power supply output electrode plate 605 is electrically connected to the power supply contactor 604; the power output socket 606 is fixedly connected to the outer wall of the bottom case 1, the power output socket 606 is electrically connected to the end, far away from the power contactor 604, of the power output electrode plate 605, and the power output socket 606 is externally connected with electric equipment.
The working principle and the beneficial effects of the scheme are as follows: the power output system 6 has a working process that the electrode connecting plate 602 is communicated with the anode and the cathode of the pile 2 through the electrode block 601, electrons generated by the reaction in the anode of the pile 2 enter the cathode of the pile 2 through the electrode connecting plate 602 to participate in the reaction, the electrons move in the electrode connecting plate 602 to generate direct current, and the anode and cathode connecting plates 603, the power contactor 604, the power output electrode plate 605 and the power output socket 606 are electrically connected with electric equipment.
In an embodiment of the present invention, the cell stack 2 is fixedly connected to the bottom end of the bottom case 1 through a cell stack fixing frame 203, a cell stack inlet 201 and a cell stack outlet 202 are arranged on an outer wall of the cell stack 2, the cell stack inlet 201 is communicated with the cell stack outlet 202 through a pipeline arranged inside the cell stack 2, the number of the cell stack inlet 201 and the cell stack outlet 202 is three, the cell stack inlet 201 and the cell stack outlet 202 are connected in one-to-one correspondence, and the three groups of the cell stack inlet 201 and the cell stack outlet 202 are respectively communicated with the hydrogen inlet 302 and the hydrogen outlet 308, the air inlet 402 and the air outlet 406, and the coolant cell stack inlet 503 and the coolant cell stack outlet 506.
The working principle and the beneficial effects of the scheme are as follows: the working process of the electric pile 2 is that hydrogen enters the anode of the electric pile 2 through one group of electric pile air inlet and outlet 201 and the electric pile air outlet and outlet 202, oxygen enters the cathode of the electric pile 2 through the other group of electric pile air inlet and outlet 201 and the electric pile air outlet and outlet 202, a proton exchange membrane is arranged between the anode and the cathode of the electric pile 2, hydrogen reacts through a catalyst in the anode to generate hydrogen protons and electrons, the hydrogen protons enter the cathode through the proton exchange membrane, the electrons enter the anode through an external circuit (an electrode block 601 and an electrode connecting plate 602), the hydrogen protons, the oxygen and the electrons react through the catalyst in the cathode to generate water, and the electrons generate direct current when passing through the external circuit (the electrode block 601 and the electrode connecting plate 602).
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the utility model is all within the protection scope of the utility model. The protection scope of the utility model is subject to the claims.
Claims (7)
1. A hydrogen fuel cell system structure characterized by comprising:
the shell (1), the shell (1) is divided into a bottom shell (101), a side cover (102) and an upper cover (103), and the side cover (102) and the upper cover (103) are detachably connected to the bottom shell (101);
the galvanic pile (2) is arranged in the bottom shell (101), the galvanic pile (2) is fixedly connected to the bottom end of the bottom shell (101), one end of the galvanic pile (2) is set as an anode, and the other end of the galvanic pile (2) is set as a cathode;
the anode of the galvanic pile (2) is communicated with the hydrogen inlet circulation system (3), and the air inlet end of the hydrogen inlet circulation system (3) extends out of the bottom shell (101) and is communicated with a hydrogen source;
the cathode of the electric pile (2) is communicated with the air inlet and outlet system (4), the air inlet end of the air inlet and outlet system (4) extends out of the bottom shell (101) and is communicated with an air source, and the air outlet end of the air inlet and outlet system (4) extends out of the bottom shell (101) and is arranged;
the cooling liquid circulating system (5) penetrates through the galvanic pile (2), and the liquid inlet end and the liquid outlet end of the cooling liquid circulating system (5) extend out of the bottom shell (101) and are communicated with the cooling water tank;
the power output system (6), the power output system (6) is electrically connected to the output end of the galvanic pile (2);
power output system (6) are located galvanic pile (2) side, just power output system (6) fixed connection in drain pan (101) inside wall, hydrogen air intake circulation system (3) air intake and exhaust system (4) with coolant liquid circulation system (5) all locate galvanic pile (2) are kept away from power output system (6) end, just hydrogen air intake circulation system (3) air intake and exhaust system (4) with coolant liquid circulation system (5) fixed connection in drain pan (101) inside wall.
2. A hydrogen fuel cell system structure according to claim 1, characterized by comprising:
the hydrogen intake circulation system (3) includes: the hydrogen inlet (301) is fixedly connected to the outer wall of the bottom shell (101), and the end, extending out of the bottom shell (101), of the hydrogen inlet (301) is communicated with a hydrogen source; the hydrogen inlet pipe (302) is communicated with the hydrogen inlet (301) and is far away from a hydrogen source end, a hydrogen inlet electromagnetic valve (303), a first pressure sensor (304) and a hydrogen constant pressure difference pressure regulating valve (305) are sequentially connected to the outer wall of a connecting pipeline between the hydrogen inlet (301) and the hydrogen inlet pipe (302), and a second pressure sensor (306) and a pressure switch (307) are connected to the hydrogen inlet pipe (302); the hydrogen outlet pipe (308) is communicated with the end, far away from the hydrogen inlet (301), of the hydrogen inlet pipe (302), and the anode of the galvanic pile (2) is communicated with a connecting pipeline between the hydrogen outlet pipe (308) and the hydrogen inlet pipe (302); one end of the hydrogen circulating pipeline (309) is communicated with the end, far away from the galvanic pile (2), of the hydrogen outlet pipe (308), and one end of the hydrogen circulating pipeline (309) is communicated with the hydrogen inlet pipe (302); the hydrogen circulating pump (310), the hydrogen circulating pump (310) is communicated with the hydrogen circulating pipeline (309); the explosion valve (311) is arranged at the joint of the hydrogen outlet pipe (308) and the hydrogen circulating pipeline (309), and the explosion valve (311) is communicated with the air outlet end of the air inlet and outlet system (4).
3. A hydrogen fuel cell system structure according to claim 2, characterized by comprising:
the air inlet and outlet system (4) comprises: the air inlet (401) is fixedly connected to the outer wall of the bottom shell (101), and the end, extending out of the bottom shell (101), of the air inlet (401) is communicated with an air source; the air inlet pipe (402) is communicated with the air inlet (401) and is far away from an air source end, a third pressure sensor (403), a constant differential pressure regulating valve air source interface (404) and a first temperature sensor (405) are sequentially connected to the outer wall of the air inlet pipe (402) in an arrayed manner, and the constant differential pressure regulating valve air source interface (404) is connected to the hydrogen constant differential pressure regulating valve (305); the air outlet pipe (406), the air outlet pipe (406) is communicated with the end, far away from the air inlet (401), of the air inlet pipe (402), and the cathode of the electric pile (2) is communicated with a connecting pipeline between the air inlet pipe (402) and the air outlet pipe (406); the air outlet (407) is communicated with the end, away from the electric pile (2), of the air outlet pipe (406), and the air outlet (407) extends out of the bottom shell (101).
4. A hydrogen fuel cell system structure according to claim 3, characterized by comprising:
the cooling liquid circulation system (5) comprises: the cooling liquid inlet (501) is fixedly connected to the outer wall of the bottom shell (101), and the end, extending out of the bottom shell (101), of the cooling liquid inlet (501) is communicated with the cooling water tank; the cooling liquid inlet pipe (502) is communicated with the end, far away from the cooling water tank, of the cooling liquid inlet (501); the liquid inlet pipe (503) of the cooling liquid galvanic pile is communicated with the end, far away from the cooling liquid inlet (501), of the liquid inlet pipe (502) of the cooling liquid galvanic pile, the outer wall of the liquid inlet pipe (503) of the cooling liquid galvanic pile is connected with a second temperature sensor (507), and a connecting pipeline between the liquid inlet pipe (502) of the cooling liquid galvanic pile and the liquid inlet pipe (503) of the cooling liquid galvanic pile is sequentially connected with a thermostatic valve (504) and a water pump (505); the liquid outlet pipe (506) of the cooling liquid galvanic pile is communicated with the end, far away from the liquid inlet pipe (502), of the liquid inlet pipe (503) of the cooling liquid galvanic pile, and the galvanic pile (2) is communicated with a connecting pipeline between the liquid outlet pipe (506) of the cooling liquid galvanic pile and the liquid inlet pipe (503) of the cooling liquid galvanic pile; the cooling liquid overflow and return opening (508), the cooling liquid overflow and return opening (508) is fixedly connected to the outer wall of the bottom shell (101), and the cooling liquid overflow and return opening (508) is connected to the cooling liquid inlet pipe (502) through a cooling liquid overflow and return pipe (509); coolant liquid outlet (510), coolant liquid galvanic pile drain pipe (506) keep away from galvanic pile (2) end communicate respectively in coolant liquid outlet (510) with thermostatic valve (504), coolant liquid outlet (510) with coolant liquid inlet (501) pass through pipeline intercommunication cooling water tank.
5. A hydrogen fuel cell system structure according to claim 4, characterized by comprising:
the cooling water tank comprises a first cooling water tank and a second cooling water tank which are arranged in parallel.
6. A hydrogen fuel cell system structure according to claim 4, characterized by comprising:
the power output system (6) comprises: the two electrode blocks (601) are respectively and electrically connected with the anode and the cathode of the electric pile (2); the electrode connecting plate (602), the electrode connecting plate (602) is electrically connected between the two electrode blocks (601); the positive and negative electrode connecting plates (603), the two positive and negative electrode connecting plates (603) are respectively connected to two ends of the electrode connecting plate (602); the positive and negative electrodes of the power supply contactor (604) are respectively connected to the two positive and negative connecting plates (603); the power supply output electrode plate (605), the power supply output electrode plate (605) is electrically connected to the power supply contactor (604); power output socket (606), power output socket (606) fixed connection in drain pan (101) outer wall, power output socket (606) electric connection in power output electrode board (605) keep away from power contactor (604) end, power output socket (606) external consumer.
7. A hydrogen fuel cell system structure according to claim 4, characterized by comprising:
the electric pile (2) is fixedly connected with the bottom end of the bottom shell (101) through an electric pile fixing frame (203), the outer wall of the electric pile (2) is provided with an electric pile gas inlet and outlet (201) and an electric pile gas outlet and outlet (202), the gas and liquid inlet (201) of the electric pile is communicated with the gas and liquid outlet (202) of the electric pile through a pipeline arranged in the electric pile (2), the number of the electric pile gas inlet and liquid outlet (201) and the electric pile gas outlet and liquid outlet (202) is three, and the galvanic pile gas inlet and outlet ports (201) and (202) are connected in one-to-one correspondence, and the galvanic pile gas inlet and outlet ports (201) and (202) are respectively communicated with the hydrogen gas inlet pipe (302), the hydrogen gas outlet pipe (308), the air gas inlet pipe (402), the air outlet pipe (406), the cooling liquid galvanic pile liquid inlet pipe (503) and the cooling liquid galvanic pile liquid outlet pipe (506).
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| CN202122046117.1U CN216488165U (en) | 2021-08-27 | 2021-08-27 | Hydrogen fuel cell system structure |
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| CN202122046117.1U CN216488165U (en) | 2021-08-27 | 2021-08-27 | Hydrogen fuel cell system structure |
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