CN206022524U - The Proton Exchange Membrane Fuel Cells row's hydrogen system that quickly can be opened at low temperature - Google Patents
The Proton Exchange Membrane Fuel Cells row's hydrogen system that quickly can be opened at low temperature Download PDFInfo
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- CN206022524U CN206022524U CN201621058268.1U CN201621058268U CN206022524U CN 206022524 U CN206022524 U CN 206022524U CN 201621058268 U CN201621058268 U CN 201621058268U CN 206022524 U CN206022524 U CN 206022524U
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- hydrogen
- low temperature
- coolant
- exchange membrane
- proton exchange
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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 provides a kind of Proton Exchange Membrane Fuel Cells row's hydrogen system that quickly can be opened at low temperature, including：Hydrogen discharging pipe, hydrogen vent valve, coolant branch road and liquid-filling valve, the hydrogen discharging pipe include inlet ductwork and export pipeline, and both are connected by hydrogen vent valve, and the air inlet of inlet ductwork is connected with fuel cell pile；The inlet ductwork of hydrogen discharging pipe is connected by liquid-filling valve with coolant branch road, and the other end of coolant branch road can inject coolant.The utility model is using the low characteristic of fuel cell system coolant freezing point; to hydrogen discharging pipe road and hydrogen vent valve covering protection; avoid because of air-liquid state water because the caused pipeline blockage of low temperature solidification and valve body freeze; the opening speed of the row's of significantly improving hydrogen system; the time of fuel cell system at low temperature cold startup is shortened simultaneously; the efficiency of fuel cell system is improve, global design is simply easily achieved.
Description
Technical field
The utility model is related to a kind of row's hydrogen system for being applied to Proton Exchange Membrane Fuel Cells, more particularly to one kind can be
The quick Proton Exchange Membrane Fuel Cells row's hydrogen system that opens under low temperature.
Background technology
Proton Exchange Membrane Fuel Cells (PEMFC) has environmental friendliness, energy conversion efficiency height, startup rapid,
It is considered as a kind of generation of electricity by new energy device of the clean and effective of great potential.Common, a fuel cell system mainly has
Hydrogen air-channel system, empty air-channel system and hydro-thermal management system composition.Wherein, hydrogen air-channel system mainly includes high-pressure hydrogen tank, hydrogen
Pressure reducer, hydrogen injection device and row's hydrogen magnetic valve and corresponding pipeline composition；Empty air-channel system mainly include air compressor machine, charge air cooler,
Humidifier and tail cribbing valve and corresponding pipeline composition；Hydro-thermal management system is mainly by expansion tank, cooling water pump and radiation air
Fan constitutes to control and keep fuel cell system temperature.
The hydrogen gas side electrochemical reaction of fuel cell system, is generated hydrogen ion (proton), is transferred to by PEM
Air side；Water generated and electrochemical reaction with proton in the presence of catalyst in the oxygen of air side there is.Due to air side and hydrogen
The concentration difference of gas side water, caused by concentration diffusion, mass transport process causes hydrogen gas side to there is a certain amount of moisture.Generally, hydrogen
Most of water of side is discharged in interval row's hydrogen and system-down purge.However, in extreme low temperature environment (such as -20 DEG C)
Under, send out in gaseous moisture under the aqueous water and normal temperature of residual and sit condensation and solidify, cause to arrange hydrogen electromagnetic valve body and valve
It is difficult to open due to icing between seat, or even freezes hydrogen tail discharge pipeline blockage, low so as to hinder fuel cell system
The carrying out of warm cold start start process.Therefore, need to take measures the row's of preventing hydrogen magnetic valve icing, or realize that icing fast melt makes
Obtain row's hydrogen process under low temperature to be normally carried out as early as possible, to ensure the realization of fuel cell system fast low temperature cold start.
Chinese patent CN203800126U be by heating rod rapidly by the solid-state ice-out for having condensed in magnetic valve,
Hot-air after being compressed by air compressor afterwards is incubated to magnetic valve.This mode needs high power consumption, structure to set
Meter is also more complicated.
Utility model content
The utility model provide a kind of quickly can open at low temperature Proton Exchange Membrane Fuel Cells row hydrogen system, with gram
Take the drawbacks described above of prior art presence.
Proton Exchange Membrane Fuel Cells row's hydrogen system that the utility model quickly can be opened at low temperature, including：Hydrogen discharging pipe,
Hydrogen vent valve, coolant branch road and liquid-filling valve, the hydrogen discharging pipe include inlet ductwork and export pipeline, and both pass through the hydrogen vent valve
It is connected, the air inlet of the inlet ductwork is connected with fuel cell pile；The inlet ductwork and coolant of the hydrogen discharging pipe
Road is connected by the liquid-filling valve, and the other end of the coolant branch road can inject coolant.
Preferably, the position of the hydrogen vent valve is less than the inlet ductwork and export pipeline.
Preferably, the hydrogen vent valve and liquid-filling valve are magnetic valve.
Preferably, the other end connection coolant circuit or water tank of the coolant branch road.
As further preferred technical scheme, a liquid level sensor is provided with the inlet ductwork.
The utility model is realized quickly opening the control method that Proton Exchange Membrane Fuel Cells arranges hydrogen system, bag at low temperature
Include following steps：
After fuel cell system is shut down to be terminated, environment temperature is detected, if being less than 0 degree Celsius, hydrogen is arranged in further detection
The pressure of system, when current environment pressure is down to, opens the liquid-filling valve, injects coolant, when cold in the hydrogen discharging pipe
But liquid reaches a certain amount of rear closing, then turns on hydrogen vent valve；The addition of coolant is with the inlet ductwork and export pipeline energy
Covered by coolant respectively, and do not spill over and be limited.
Preferably, coolant addition can be controlled by parameter preset, it is also possible to by being arranged on the import
Liquid level sensor in pipeline is controlled.
The utility model is a kind of Proton Exchange Membrane Fuel Cells row's hydrogen system that quickly can be opened at low temperature, and which has
Following beneficial effect：
(1) using the characteristic that fuel cell system coolant freezing point is low, to hydrogen discharging pipe road and hydrogen vent valve covering protection, keep away
Exempt from because of air-liquid state water because the caused pipeline blockage of low temperature solidification and valve body freeze, the unlatching speed of the row's of significantly improving hydrogen system
Degree, while shorten the time of cold at low temperature startup of fuel cell system.
(2) suppress to freeze by way of fluid injection, magnetic valve heating is brought when eliminating follow-up cold starting
Energy loss, improve the efficiency of fuel cell system.
(3) parts (pipeline, magnetic valve) that system increases are very simple, and the optimization design for arranging hydrogen system is based on system
Existing resource (coolant) is carried out, it is easy to accomplish, simple to operate.
Description of the drawings
Fig. 1 is Proton Exchange Membrane Fuel Cells row hydrogen system structural representation of the present utility model；
Fig. 2 is view of the utility model in the case where normal temperature is parked；
Fig. 3 is row's hydrogen system schematic diagram of embodiment 2；
Fig. 4 is system control process figure of the present utility model.
Specific embodiment
The utility model preferred embodiment is given below in conjunction with the accompanying drawings, to describe the technical solution of the utility model in detail.
Embodiment 1
As shown in figure 1, a kind of Proton Exchange Membrane Fuel Cells row's hydrogen system that quickly can be opened at low temperature, including：Row
Hydrogen pipe 2, row's hydrogen magnetic valve 3, coolant branch road 5 and liquid-filling valve 6, the hydrogen discharging pipe 2 include inlet ductwork 21 and export pipeline 22,
Both are connected by the hydrogen vent valve 3, and the air inlet of the inlet ductwork 21 is connected with fuel cell pile 1；Row's hydrogen
The inlet ductwork 21 of pipe 2 is connected by the fluid injection magnetic valve 6 with coolant branch road 5, the other end of the coolant branch road 5
Connection coolant circuit 4 or water tank.The position of the hydrogen vent valve 3 is less than the inlet ductwork 21 and export pipeline 22.
Operation principle of the present utility model is such：
In row's hydrogen system, after hydrogen tail gas is discharged into hydrogen discharging pipe 2 from fuel cell pile 1, by arranging hydrogen magnetic valve 3
Intermitten by hydrogen tail gas discharge fuel cell system.After fuel cell system is shut down to be terminated, environment temperature is detected, if
Environment temperature is normal temperature, then fluid injection magnetic valve 6 is remained off, it is ensured that hydrogen discharging pipe 2 and coolant circuit 4 are between the two without medium
Exchange (as shown in Figure 2).If temperature is less than 0 degree Celsius, the further pressure of detection row hydrogen system, when being down to current environment pressure
During power, open the liquid-filling valve 6, inject coolant in the hydrogen discharging pipe 2, when coolant reaches a certain amount of after closing, it is ensured that
Pipeline is not freezed to block by ponding at low temperature, then turns on 3 a period of time of hydrogen vent valve, makes inlet ductwork 21 and export pipeline 22
Covered by coolant respectively, it is ensured that magnetic valve does not freeze bonding at low temperature.The addition of coolant is with the inlet ductwork
21 and export pipeline 22 can be covered by coolant respectively, and do not spill over and be limited.Whole control process is as shown in Figure 4.
But the filling process of liquid is carried out using default calibrating parameters.The benefit for cooling down perfusion is carried out using parameter preset
It is, simplifies pipeline, only need to be by the calibration value writing controller of the relevant parameters such as pressure, time, groundwater increment.
Embodiment 2
As shown in figure 3, other are with embodiment 1, a liquid level sensor 7 is additionally provided with the inlet ductwork 21.
In this embodiment, the filling process of coolant is controlled by liquid level sensor 7.Entered using liquid level sensor
Row perfusion control is advantageous in that, enters hydrogen discharging pipe road cooling liquid measure and can control accurately, it is to avoid the fluctuation for irrigating liquid measure brings
Antifreezing effect difference or extreme case under pollute pile.
Claims (5)
1. a kind of Proton Exchange Membrane Fuel Cells that quickly can be opened at low temperature arranges hydrogen system, it is characterised in that include：Row's hydrogen
Pipe (2), hydrogen vent valve (3), coolant branch road (5) and liquid-filling valve (6), described hydrogen discharging pipe (2) include inlet ductwork (21) and outlet
Pipeline (22), both are connected by the hydrogen vent valve (3), the air inlet and fuel cell pile of inlet ductwork (21)
(1) connect；The inlet ductwork (21) of hydrogen discharging pipe (2) is connected by the liquid-filling valve (6) with coolant branch road (5), institute
The other end for stating coolant branch road (5) can inject coolant.
2. the Proton Exchange Membrane Fuel Cells row's hydrogen system that quickly can be opened at low temperature as claimed in claim 1, its feature
It is, the position of hydrogen vent valve (3) is less than the inlet ductwork (21) and export pipeline (22).
3. the Proton Exchange Membrane Fuel Cells row's hydrogen system that quickly can be opened at low temperature as claimed in claim 1, its feature
It is, hydrogen vent valve (3) and liquid-filling valve (6) are magnetic valve.
4. the Proton Exchange Membrane Fuel Cells row's hydrogen system that quickly can be opened at low temperature as claimed in claim 1, its feature
It is, the other end of coolant branch road (5) connects coolant circuit (4) or water tank.
5. the Proton Exchange Membrane Fuel Cells row's hydrogen system that quickly can be opened at low temperature as claimed in claim 1, its feature
Be, a liquid level sensor (7) is provided with the inlet ductwork (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621058268.1U CN206022524U (en) | 2016-09-14 | 2016-09-14 | The Proton Exchange Membrane Fuel Cells row's hydrogen system that quickly can be opened at low temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621058268.1U CN206022524U (en) | 2016-09-14 | 2016-09-14 | The Proton Exchange Membrane Fuel Cells row's hydrogen system that quickly can be opened at low temperature |
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| CN206022524U true CN206022524U (en) | 2017-03-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108808035A (en) * | 2018-06-29 | 2018-11-13 | 张家港氢云新能源研究院有限公司 | The dynamical system for the fuel cell car that energy ultra-low temperature cold starts |
-
2016
- 2016-09-14 CN CN201621058268.1U patent/CN206022524U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108808035A (en) * | 2018-06-29 | 2018-11-13 | 张家港氢云新能源研究院有限公司 | The dynamical system for the fuel cell car that energy ultra-low temperature cold starts |
| CN108808035B (en) * | 2018-06-29 | 2023-12-15 | 张家港氢云新能源研究院有限公司 | Power system of fuel cell automobile capable of being cold started at ultralow temperature below-40 DEG C |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Proton exchange membrane fuel cell hydrogen discharge system capable of being quickly started at low temperature Effective date of registration: 20200204 Granted publication date: 20170315 Pledgee: Jiading Branch of Shanghai Bank Co., Ltd. Pledgor: Shanghai Chongsu Energy Technology Co., Ltd. Registration number: Y2020310000004 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20201225 Granted publication date: 20170315 Pledgee: Jiading Branch of Shanghai Bank Co.,Ltd. Pledgor: SHANGHAI RE-FIRE ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2020310000004 |