CN212625670U - Hydrogen discharging device for fuel cell - Google Patents
Hydrogen discharging device for fuel cell Download PDFInfo
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- CN212625670U CN212625670U CN202021828462.XU CN202021828462U CN212625670U CN 212625670 U CN212625670 U CN 212625670U CN 202021828462 U CN202021828462 U CN 202021828462U CN 212625670 U CN212625670 U CN 212625670U
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- hydrogen
- gas
- galvanic pile
- gas outlet
- pipeline
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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 fuel cell hydrogen discharging equipment, including hydrogen tank, galvanic pile, exhaust drain valve, hydrogen air control valve, apotheca, hydrogen concentration sensor, hydrogen circulating device and controller. The hydrogen tank gas outlet communicates with the galvanic pile air inlet, the galvanic pile gas outlet communicates with the exhaust drain valve air inlet, exhaust drain valve gas outlet communicates with the apotheca air inlet, hydrogen concentration sensor is used for monitoring hydrogen concentration in the apotheca, the galvanic pile gas outlet communicates with the galvanic pile air inlet through first circulation pipeline, the apotheca gas outlet communicates with the galvanic pile air inlet through second circulation pipeline, hydrogen control valve sets up on the second circulation pipeline, the apotheca has the gas vent, hydrogen concentration sensor is with signal transmission to controller, the switching of hydrogen control valve is controlled to the controller, hydrogen circulating device is used for guaranteeing the gas flow direction. Compared with the prior art, the utility model discloses the content that gets into hydrogen circulating device in can controlling tail gas carries out hydrogen and retrieves, has improved hydrogen utilization ratio.
Description
Technical Field
The utility model relates to a fuel cell technical field especially relates to a fuel cell hydrogen discharging equipment.
Background
The fuel cell hydrogen module comprises a high-pressure hydrogen supply module and a low-pressure hydrogen control module, wherein the low-pressure hydrogen control module comprises subsystems such as a pressure control device, a hydrogen circulating device and a tail gas treatment device. Wherein, tail gas processing apparatus can separate the gas mixture and the liquid water that the pile export was discharged and discharge hydrogen module system. A general tail gas treatment device mainly includes a gas/water discharge valve and a gas/liquid separator, and a large amount of unused hydrogen in these tail gas treatment devices is directly discharged, which causes waste.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fuel cell hydrogen discharging equipment for improve the utilization ratio of hydrogen, reduce extravagantly.
In order to achieve the above object, the utility model provides a following scheme:
the utility model discloses a fuel cell hydrogen discharging device, which comprises a hydrogen tank, a galvanic pile, a gas discharging and draining valve, a hydrogen control valve, a storage chamber, a hydrogen concentration sensor, a hydrogen circulating device and a controller, wherein the gas outlet of the hydrogen tank is communicated with the gas inlet of the galvanic pile through a pipeline, the gas outlet of the galvanic pile is communicated with the gas inlet of the gas discharging and draining valve through a pipeline, the gas outlet of the gas discharging and draining valve is communicated with the gas inlet of the storage chamber through a pipeline, the hydrogen concentration sensor is used for monitoring the hydrogen concentration in the storage chamber, the gas outlet of the galvanic pile is communicated with the gas inlet of the galvanic pile through a first circulating pipeline, the gas outlet of the storage chamber is communicated with the gas inlet of the galvanic pile through a second circulating pipeline, the hydrogen control valve is arranged on the second circulating pipeline, and the storage chamber is provided with a gas outlet for discharging, the hydrogen concentration sensor transmits a signal to the controller, the controller is used for controlling the opening and closing of the hydrogen control valve, the hydrogen circulating device is installed on the first circulating pipeline, and the hydrogen circulating device is used for enabling gas in the first circulating pipeline to flow towards the gas inlet direction of the galvanic pile.
Preferably, the hydrogen concentration sensor is electrically connected to the controller.
Preferably, the hydrogen concentration sensor is in wireless communication with the controller.
Preferably, the hydrogen circulation device is a circulation pump.
Preferably, the hydrogen circulating device is an ejector, and the ejector is installed at the intersection of the connecting pipeline of the hydrogen tank and the galvanic pile and the first circulating pipeline.
Preferably, the hydrogen circulating device is a circulating pump and an ejector, and the ejector is installed at the intersection of the connecting pipeline of the hydrogen tank and the galvanic pile and the first circulating pipeline.
The utility model discloses for prior art gain following technological effect:
the utility model discloses can be according to hydrogen concentration sensor's signal conditioning exhaust drain valve to hydrogen recycling carries out in the content that gets into hydrogen circulating device in the control tail gas, and control mode is simpler, need not a large amount of calibration tests, has improved the hydrogen utilization ratio.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a hydrogen discharge device for a fuel cell according to the present embodiment;
FIG. 2 is a schematic view showing still another structure of the hydrogen discharge device for a fuel cell according to the present embodiment;
FIG. 3 is a schematic view showing still another structure of the hydrogen discharge device for a fuel cell according to the present embodiment;
description of reference numerals: 1-a hydrogen tank; 2-electric pile; 3-gas and water discharging valve; 4-a storage chamber; 5-a hydrogen control valve; 6-hydrogen concentration sensor; 7-a circulating pump; 8-ejector.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a fuel cell hydrogen discharging equipment for improve the utilization ratio of hydrogen, reduce extravagantly.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1 to 3, the present embodiment provides a fuel cell hydrogen gas discharge device including a hydrogen tank 1, a stack 2, a gas/water discharge valve 3, a storage chamber 4, a hydrogen control valve 5, a hydrogen concentration sensor 6, a hydrogen circulation device, and a controller.
The gas outlet of the hydrogen tank 1 is communicated with the gas inlet of the galvanic pile 2 through a pipeline, the gas outlet of the galvanic pile 2 is communicated with the gas inlet of the gas and water discharging valve 3 through a pipeline, the gas outlet of the gas and water discharging valve 3 is communicated with the gas inlet of the storage chamber 4 through a pipeline, the hydrogen concentration sensor 6 is used for monitoring the hydrogen concentration in the storage chamber 4, the gas outlet of the galvanic pile 2 is communicated with the gas inlet of the galvanic pile 2 through a first circulation pipeline, the gas outlet of the storage chamber 4 is communicated with the gas inlet of the galvanic pile 2 through a second circulation pipeline, the hydrogen control valve 5 is arranged on the second circulation pipeline, the storage chamber 4 is provided with a gas outlet for discharging gas, the hydrogen concentration sensor 6 transmits signals to the controller, the controller is used for controlling the opening and closing of the hydrogen control valve 5, the hydrogen circulating device is arranged on the first circulation pipeline, and the hydrogen circulating device is used for enabling.
When the fuel cell hydrogen discharging device of the embodiment is used, hydrogen enters the electric pile 2 after being decompressed by the hydrogen tank 1, and after the fuel cell reaction of the electric pile 2 at the electric pile 2, non-reaction gas and hydrogen are discharged from the electric pile 2. In the initial reaction process, the hydrogen content of the gas discharged by the galvanic pile 2 is higher, the gas can directly enter the inlet of the galvanic pile 2 through the first circulation pipeline to be recycled, and part of the gas enters the storage chamber 4 after passing through the gas and water discharge valve 3. The hydrogen concentration sensor 6 is used for detecting the hydrogen concentration in the storage chamber 4 and transmitting the concentration information to the controller, and the controller compares the received concentration value with a preset concentration value per se and then controls the opening and closing of the hydrogen control valve 5. When the hydrogen control valve 5 is opened, the gas in the storage chamber 4 enters the galvanic pile 2 through the second circulation pipeline, so that the hydrogen in the storage chamber 4 is secondarily utilized, and the utilization rate of the hydrogen is improved.
In this embodiment, the hydrogen concentration sensor 6 and the controller may be connected by a wired connection such as an electrical connection, or a wireless connection such as a wireless communication connection.
In this embodiment, the hydrogen circulation device may be of various types, such as a circulation pump 7 (fig. 1), an ejector 8 (fig. 2), or a combination of the circulation pump 7 and the ejector 8 (fig. 3). When the ejector 8 is used, the installation position of the ejector 8 is the end part of the first circulation pipeline, specifically, the intersection of the connection pipeline of the hydrogen tank and the galvanic pile and the first circulation pipeline.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (6)
1. A fuel cell hydrogen discharge device is characterized by comprising a hydrogen tank, a galvanic pile, a gas and water discharge valve, a hydrogen control valve, a storage chamber, a hydrogen concentration sensor, a hydrogen circulation device and a controller, wherein a gas outlet of the hydrogen tank is communicated with a gas inlet of the galvanic pile through a pipeline, a gas outlet of the galvanic pile is communicated with a gas inlet of the gas and water discharge valve through a pipeline, a gas outlet of the gas and water discharge valve is communicated with a gas inlet of the storage chamber through a pipeline, the hydrogen concentration sensor is used for monitoring the hydrogen concentration in the storage chamber, a gas outlet of the galvanic pile is communicated with a gas inlet of the galvanic pile through a first circulation pipeline, a gas outlet of the storage chamber is communicated with a gas inlet of the galvanic pile through a second circulation pipeline, the hydrogen control valve is arranged on the second circulation pipeline, and the storage chamber is provided with a gas outlet for discharging gas, the hydrogen concentration sensor transmits a signal to the controller, the controller is used for controlling the opening and closing of the hydrogen control valve, the hydrogen circulating device is installed on the first circulating pipeline, and the hydrogen circulating device is used for enabling gas in the first circulating pipeline to flow towards the gas inlet direction of the galvanic pile.
2. The fuel cell hydrogen gas discharge apparatus according to claim 1, wherein the hydrogen concentration sensor is electrically connected to the controller.
3. The fuel cell hydrogen gas discharge apparatus according to claim 1, wherein the hydrogen concentration sensor is connected in wireless communication with the controller.
4. The fuel cell hydrogen discharge device according to claim 1, wherein the hydrogen circulation device is a circulation pump.
5. The fuel cell hydrogen discharge device according to claim 1, wherein the hydrogen circulation device is an ejector installed at an intersection of the first circulation line and a connection line of the hydrogen tank to the stack.
6. The fuel cell hydrogen discharge device according to claim 1, wherein the hydrogen circulation device is a circulation pump and an ejector installed at an intersection of the first circulation line and a connection line of the hydrogen tank to the stack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021828462.XU CN212625670U (en) | 2020-08-26 | 2020-08-26 | Hydrogen discharging device for fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021828462.XU CN212625670U (en) | 2020-08-26 | 2020-08-26 | Hydrogen discharging device for fuel cell |
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| Publication Number | Publication Date |
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| CN212625670U true CN212625670U (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021828462.XU Active CN212625670U (en) | 2020-08-26 | 2020-08-26 | Hydrogen discharging device for fuel cell |
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| CN (1) | CN212625670U (en) |
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2020
- 2020-08-26 CN CN202021828462.XU patent/CN212625670U/en active Active
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