CN208111580U - A kind of fuel cell cold-starting operating component - Google Patents
A kind of fuel cell cold-starting operating component Download PDFInfo
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- CN208111580U CN208111580U CN201820203766.3U CN201820203766U CN208111580U CN 208111580 U CN208111580 U CN 208111580U CN 201820203766 U CN201820203766 U CN 201820203766U CN 208111580 U CN208111580 U CN 208111580U
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- fuel cell
- heat
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- hydrogen
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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 fuel cell cold-starting operating component, belongs to fuel cell pack Low-temperature start technology field.A kind of fuel cell cold-starting operating component of the utility model, including the air-cooled conveying device for conveying oxygen and coolant, the heating part of reaction temperature is reached for heating fuel cell pack, produced heat is reacted for collecting fuel cell pack and the heat is delivered to the collection device of oxidation conveying device, and the hydrogen heat riser of the hydrogen conveyed using the heat hydrogen delivery section that fuel cell pack reaction generates.The utility model shares a channel as the oxygen and coolant of oxidant, and the heat generated when can be to fuel cell stack operation is collected.The recycle heat that whole device is realized under the action of collection device, hydrogen heat riser, avoids icing phenomenon caused by being humidified to oxidant.It is avoided when reacting and starting and antifreeze processing is done to coolant, accelerate the starting speed of fuel cell.
Description
Technical field
The utility model relates to fuel cell pack Low-temperature start technology fields, and in particular to a kind of fuel cell low-temperature starting
Dynamic operating component.
Background technique
Fuel cell is a kind of device for directly chemical energy being converted into electric energy.Proton Exchange Membrane Fuel Cells（PEMFC）
Mainly using hydrogen as fuel, air is as oxidant.With high efficiency, pollution-free, low noise, supplement energy is fast, work is warm
Spend the advantages that lower.
In fuel cell technology extension process, fuel cell has encountered cryogenic applications（Low temperature as referred to herein be 0 DEG C with
Under）Challenge, fuel cell at low ambient temperatures, the water that when operation of fuel cells generates can freeze, so that CCM is destroyed, low
CCM declines there are performance under the conditions of temperature and the behavior of failure, well-known solution this problem need to carry out from material layer grade excellent
Change, but material layer improves and optimizates that the period is long, technical difficulty is big, the problems such as making slow progress, and cannot quickly and effectively solve.
The method for generally taking auxiliary heating in the prior art, as accessory power supply heating, cooling medium heating, fuel add
The methods of heat, hot gas purging, but this householder method can propose high requirement to auxiliary system increase system bulk, again
The unfavorable factors such as amount, power consumption, cost, control system complexity.Under lower environment, to be continuously reaction gas heating could be tieed up
The normal reaction of system is held, heat source cannot recycle.
Summary of the invention
This reality of the technical issues of structure is complicated for auxiliary heating mechanism in the prior art for solution, and heat source cannot recycle
A kind of fuel cell cold-starting operating component is proposed with novel.
A kind of fuel cell cold-starting operating component, to carry out starting heating, the battery pack to fuel cell
Fuel cell pack, hydrogen conveyor are included, including the air-cooled conveying device for conveying oxygen and coolant, for heating fuel
Battery pile reaches the heating part of reaction temperature, for collecting heat produced by the fuel cell pack reacts and by the heat
It is delivered to the collection device of oxidation conveying device, and hydrogen described in the heat using fuel cell pack reaction generation
The hydrogen heat riser of the hydrogen of delivery section conveying.
It preferably, further include working for starting the heating part when the fuel cell stack temperature is lower than reaction temperature
And the control device that cutting heating part works when the temperature of fuel cell pack is higher than reaction temperature.
Preferably, the heating part includes heater and the heater driver for making the heater starting heating.
It is further preferred that the control device is electrically connected with the heating part.
Still more preferably, the heating part is PTC heating member.
It preferably, further include the hot-air that the hot-air that the collection device is collected is transferred to the air-cooled conveying device
Channel.
It is further preferred that thermal insulation layer of the setting for heat preservation in the hot-air channel.
Still more preferably, the air-cooled conveying device is connected with the hot-air channel.
It preferably, further include the heat source pipeline that heat source is transmitted to the hydrogen heat riser, the collection device.
The utility model realizes the recycle heat of whole device under the action of collection device, hydrogen heat riser, avoids
Icing phenomenon caused by being humidified to oxidant.It is avoided when reacting and starting and antifreeze processing is done to coolant, accelerate fuel electricity
The starting speed in pond.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment fuel cell cold-starting operating component.
Wherein, 1- fuel cell pack；The air-cooled conveying device of 2-；3- hydrogen conveyor；The heating part 4-；41- heater；
42- heater driver；5- collection device；6- hot-air channel；61- thermal insulation layer；7- hydrogen heat riser；8- control device；9-
Heat source pipeline.
Specific embodiment
The utility model is illustrated combined with specific embodiments below.
Referring to Fig. 1, a kind of fuel cell cold-starting operating component of the utility model, to fuel cell into
Row starting heating, battery includes fuel cell pack 1, hydrogen conveyor 3, including for conveying the air-cooled defeated of oxygen and coolant
Device 2 is sent, the heating part 4 of reaction temperature is reached for heating fuel cell pack 1, is reacted for collecting fuel cell pack 1
Produced heat and the collection device 5 that the heat is delivered to air-cooled conveying device 2, and produced using the reaction of fuel cell pack 1
The hydrogen heat riser 7 of the hydrogen of raw heat hydrogen delivery section conveying.
Wherein, the type of fuel cell pack is the air-cooled fuel cell pack of open type, makes to carry oxygen by open form
Cold air constantly enter fuel cell pack, and heated via heating part 4 or by the heat source that collection device 5 provides, it is real
The sustainable supply of existing oxygen, gas circulation.
Starting preheating is carried out to fuel cell pack 1 by heating part 4, after the completion of heating, starting fluid battery pile 1,
Oxidant, coolant, hydrogen enter fuel cell pack 1, and load model enters constant pressure start-up mode, starts collection device 5, collect
The fuel that fuel cell pack 1 generates heats oxygen, after starting successfully, closes heater 41, fuel cell pack 1 reaches heat
Balance, fuel cell pack 1 enter operating status, and load model is switched to constant current output mode.
Air-cooled conveying device 2 can use aerofoil fan, have the spies such as air quantity range is wide, wind pressure is high, low in energy consumption, noise is small
Point is that one kind can accurately control air quantity, air-flow direction and the identical fan of axis direction by signal.
Collection device 5 can use the device using centrifugal fan as core, have the spies such as good airproof performance, collection efficiency height
Point is a kind of heat trap that hot collecting amount can be controlled by signal.
It further include for being opened when 1 temperature of fuel cell pack is lower than reaction temperature to improve the heating efficiency of heating part 4
The dynamic work of heating part 4 and the control device 8 that cutting heating part 4 works when the temperature of fuel cell pack 1 is higher than reaction temperature.
Control device 8 can be by being electrically connected to each other using PLC as the control unit of representative and to the temperature sensor of temperature collection
It is constituted.
Control device 8 is electrically connected with heating part 4.Heating part 4 includes heater 41 and heats for starting heater 41
Heater driver 42.Heating part 4 is PTC heating member.
Herein, PTC thermistor is a kind of typical semiconductor resistor with temperature sensitivity, more than certain temperature
（Curie temperature）When, its resistance value is in increasing for step evolution as the temperature rises.PTC heater is called ptc heater 41,
It is formed using PTC ceramics heater element and aluminum pipe.The type PTC heater has the advantages that thermal resistance is small, heat exchange efficiency is high, is a kind of
Automatic constant-temperature, power saving electric heater 41.Outstanding feature is in security performance, will not generate such as electricity under any applicable cases
Surface " rubescent " phenomenon of heat pipe class heater 41, so as to cause scald, the security risks such as fire.This heating material has heat
It hinders that small, heat exchange efficiency is high, the advantages that having a safety feature, is the electric heater 41 of a kind of automatic constant-temperature, power saving.
Heater driver 42 can use solid-state relay（SSR）, with high reliablity, the service life is long, speed is fast, safety
The advantages that good is a kind of noncontacting switch being made of microelectronic circuit, discrete electronic device, power electronic power device.Control
End processed is isolated with load end with photoelectric coupling or pulse signal.The small control signal of the input terminal of solid-state relay, reaches
To directly driving large current load.
It further include the hot-air channel 6 that the hot-air that collection device 5 is collected is transferred to air-cooled conveying device 2.Hot-air
Thermal insulation layer 61 of the setting for heat preservation, air-cooled conveying device 2 are connected with hot-air channel 6 in channel 6.
Thermal insulation layer 61 can effectively reduce the loss of heat in heat transfer process, more effectively utilize heat source, add in time
Oxygen and hydrogen of the heat as reactant.
It further include the heat source pipeline 9 that heat source is transmitted to the hydrogen heat riser 7, the collection device 5.
Illustrate the circulation of heat during start battery process and fuel cell reaction below with reference to Fig. 1.Firstly, control
Device 8 controls heating part 4, and the heater driver 42 of heating part 4 starts PTC heating member, exists when heating temperature reaches reaction temperature
Heating part 4 stops heating under the action of control device 8.Fuel cell reaction heap starts to react, constantly generation heat, passes through collection
Device 5 and hydrogen heat riser 7 realize that recycle heat uses, battery enters perseverance respectively by heat collection, heating oxygen and hydrogen
Output mode is flowed, heating part 4 is not necessarily to continuous heating.
The utility model the utility model shares a channel as the oxygen and coolant of oxidant, can be to fuel cell
The heat that heap 1 generates when working is collected.The heat of whole device is realized under the action of collection device 5, hydrogen heat riser 7
Circulation avoids icing phenomenon caused by being humidified to oxidant.It is avoided when reacting and starting and antifreeze processing is done to coolant, added
The starting speed of fast fuel cell.The utility model auxiliary system is low in energy consumption, and whole system realizes recycling for reaction heat,
It is energy saving.Control strategy is simple, and easy, component is simply, cost is relatively low.
The utility model is not limited to above-mentioned specific embodiment, and various modifications and changes may be made to the present invention.
All foundation the technical essence of the utility model, should all to embodiment of above any modification, equivalent replacement, improvement and so on
Included in the protection scope of the utility model.
Claims (9)
1. a kind of fuel cell cold-starting operating component, to carry out starting heating to fuel cell, the battery includes
Fuel cell pack（1）, hydrogen conveyor（3）, which is characterized in that including the air-cooled conveying dress for conveying oxygen and coolant
It sets（2）, for heating fuel cell pack（1）Reach the heating part of reaction temperature（4）, for collecting the fuel cell pack
（1）Heat produced by reacting and the collection device that the heat is delivered to oxidation conveying device（5）, and utilize the fuel electricity
Chi Dui（1）React the hydrogen heat riser of the hydrogen of the conveying of hydrogen delivery section described in the heat generated（7）.
2. fuel cell according to claim 1 cold-starting operating component, which is characterized in that further include in institute
State fuel cell pack（1）Temperature starts the heating part when being lower than reaction temperature（4）It works and in fuel cell pack（1）Temperature
Degree cuts off heating part when being higher than reaction temperature（4）The control device of work.
3. fuel cell according to claim 1 cold-starting operating component, which is characterized in that the heating part（4）
Including heater（41）With for making the heater（41）Start the heater driver of heating（42）.
4. fuel cell according to claim 2 cold-starting operating component, which is characterized in that the control device with
The heating part（4）Electrical connection.
5. fuel cell according to claim 3 cold-starting operating component, which is characterized in that the heating part（4）
For PTC heating member.
6. fuel cell according to claim 1 cold-starting operating component, which is characterized in that further include by the receipts
Acquisition means（5）The hot-air of collection is transferred to the air-cooled conveying device（2）Hot-air channel（6）.
7. fuel cell according to claim 6 cold-starting operating component, which is characterized in that the hot-air channel
（6）Thermal insulation layer of the interior setting for heat preservation（61）.
8. cold-starting operating component according to claim 7, which is characterized in that the air-cooled conveying device（2）With institute
State hot-air channel（6）It is connected.
9. fuel cell according to claim 5 cold-starting operating component, which is characterized in that further include to the hydrogen
Gas heat riser（7）, the collection device（5）Transmit the heat source pipeline of heat source（9）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820203766.3U CN208111580U (en) | 2018-02-06 | 2018-02-06 | A kind of fuel cell cold-starting operating component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820203766.3U CN208111580U (en) | 2018-02-06 | 2018-02-06 | A kind of fuel cell cold-starting operating component |
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| Publication Number | Publication Date |
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| CN208111580U true CN208111580U (en) | 2018-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820203766.3U Active CN208111580U (en) | 2018-02-06 | 2018-02-06 | A kind of fuel cell cold-starting operating component |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108400367A (en) * | 2018-02-06 | 2018-08-14 | 浙江高成绿能科技有限公司 | A kind of fuel cell cold-starting operating component |
| US11831050B2 (en) | 2018-11-13 | 2023-11-28 | Tsinghua University | Method and apparatus for subzero start-up of fuel cell |
-
2018
- 2018-02-06 CN CN201820203766.3U patent/CN208111580U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108400367A (en) * | 2018-02-06 | 2018-08-14 | 浙江高成绿能科技有限公司 | A kind of fuel cell cold-starting operating component |
| CN108400367B (en) * | 2018-02-06 | 2024-03-29 | 浙江高成绿能科技有限公司 | Low-temperature starting operation assembly for fuel cell |
| US11831050B2 (en) | 2018-11-13 | 2023-11-28 | Tsinghua University | Method and apparatus for subzero start-up of fuel cell |
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