CN109786784A - Fuel cell system and vehicle - Google Patents
Fuel cell system and vehicle Download PDFInfo
- Publication number
- CN109786784A CN109786784A CN201811643646.6A CN201811643646A CN109786784A CN 109786784 A CN109786784 A CN 109786784A CN 201811643646 A CN201811643646 A CN 201811643646A CN 109786784 A CN109786784 A CN 109786784A
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- Prior art keywords
- heat exchange
- fuel cell
- cell system
- cooling
- temperature
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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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
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- Fuel Cell (AREA)
Abstract
The present invention provides a kind of fuel cell system and vehicles.Wherein, fuel cell system includes reactor and decompressing device and for carrying out cooling cooling component to the reactor, wherein cooling component includes: the first heat exchange structure, and the first heat exchange structure and reactor exchange heat；Second heat exchange structure, the second heat exchange structure and decompressing device exchange heat；Connecting line, the first heat exchange structure is connect by connecting line with the second heat exchange structure, to constitute cooling circuit.The present invention solves the problems, such as that there are energy consumptions is high for fuel cell system in the prior art.
Description
Technical field
The present invention relates to fuel cell car fields, in particular to a kind of fuel cell system and vehicle.
Background technique
National policy drives new-energy automobile to promote mileage travelled, and reducing energy consumption is to promote the effective way of mileage travelled.
Fuel-cell vehicle will become the developing direction of Future New Energy Source automobile because of the advantage of its zero-emission.Its drive system configured,
Energy-storage system and fuel cell reaction heap etc. can generate a large amount of thermal energy at work, in order to make its work normally and efficiently, need
It keeps the temperature in suitable range.Vehicle configures individual heat management system usually from each heat-generating system, passes through electricity
Sub- fan realizes the heat exchange of liquid and ambient air, and extra thermal energy is dispersed into atmosphere.
That is, fuel cell system has that energy consumption is high in the prior art.
Summary of the invention
The main purpose of the present invention is to provide a kind of fuel cell system and vehicles, to solve fuel electricity in the prior art
Cell system has that energy consumption is high.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of fuel cell system, including reaction
Heap and decompressing device and for carrying out cooling cooling component to reactor, wherein cooling component includes: the first heat exchange knot
Structure, the first heat exchange structure and reactor exchange heat；Second heat exchange structure, the second heat exchange structure and decompressing device exchange heat；Connecting tube
Road, the first heat exchange structure is connect by connecting line with the second heat exchange structure, to constitute cooling circuit.
Further, cooling component further includes assistant cooling structure, and assistant cooling structure is in parallel with the second heat exchange structure to be set
It sets and is connected to by auxiliary piping with connecting line.
Further, fuel cell system further includes control unit, and cooling component further includes first switch structure, and first opens
Structure setting is closed on auxiliary piping, control unit is connect with first switch structure, to control the use shape of assistant cooling structure
State.
Further, cooling component further includes second switch structure, and second switch structure setting is on connecting line, and second
Construction of switch is located on the pipeline section between auxiliary piping and the tie point and the second heat exchange structure of connecting line, control unit and the
Two constructions of switch connection, to control the use state of the second heat exchange structure.
Further, first switch structure and/or second switch structure are solenoid valves.
Further, fuel cell system further includes temperature-detecting device, and temperature-detecting device detects the reality of reactor
Running temperature, temperature-detecting device are connect with control unit, when actual motion temperature is less than the first preset temperature, control unit
Control first switch structure and second switch structure are all held off；When actual motion temperature is greater than the first preset temperature simultaneously
When less than the second preset temperature, control unit connects second switch structure, and is held off first switch structure；Work as reality
When border running temperature is greater than the second preset temperature, control unit connects first switch structure and turns off or connect second switch knot
Structure.
Further, assistant cooling structure includes fan and/or chilled water unit.
Further, cooling component further include: water pump, water pump is arranged on connecting line, so that refrigerant is in cooling cycle
Circuit keeps flowing；And/or expansion tank, expansion tank are connect by balancing pipeline with connecting line.
According to another aspect of the present invention, a kind of vehicle is provided, including above-mentioned fuel cell system.
It applies the technical scheme of the present invention, fuel cell system includes reactor and decompressing device and is used for reaction
Heap carries out cooling cooling component.Wherein, cooling component includes the first heat exchange structure, the second heat exchange structure and connecting line, the
One heat exchange structure and reactor exchange heat, and the second heat exchange structure and decompressing device exchange heat, and the first heat exchange structure passes through connecting line
It is connect with the second heat exchange structure, to constitute cooling circuit.
Since decompressing device is to absorb heat during decompression, pass through the second heat exchange structure in cooling component
It exchanges heat with decompressing device, so that the coolant temperature in cooling component reduces.Cooling medium by connecting line from
Second heat exchange structure flow at the first heat exchange structure, and then exchanges heat to reactor, reduces the temperature of reactor, makes to react
Heap can work normally and efficiently.Since the cooling to reactor is come by the decompressing device of itself in fuel cell system
It carries out, the configuration of cooling system can be substantially reduced, reduce cost, the heat rationally generated using own system reduces energy
Source waste.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 shows the overall structure diagram of the fuel cell system of an alternative embodiment of the invention.
Wherein, the above drawings include the following reference numerals:
10, reactor；20, decompressing device；30, the first heat exchange structure；40, the second heat exchange structure；50, connecting line；
60, assistant cooling structure；70, auxiliary piping；80, first switch structure；90, second switch structure；100, water pump；110, it expands
Water tank；120, pipeline is balanced.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
It should be pointed out that unless otherwise specified, all technical and scientific terms used in this application have and the application
The normally understood identical meanings of person of an ordinary skill in the technical field.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower, top, bottom " is usually needle
For direction shown in the drawings, or for component itself is on vertical, vertical or gravity direction；Equally
Ground for ease of understanding and describes, and " inside and outside " refers to the inside and outside of the profile relative to each component itself, but the above-mentioned noun of locality is not
For limiting the present invention.
In order to solve the problems, such as that there are energy consumptions is high for fuel cell system in the prior art, the present invention provides a kind of fuel electricity
Cell system and vehicle.
As shown in Figure 1, fuel cell system include reactor 10 and decompressing device 20 and for reactor 10 into
The cooling cooling component of row.Wherein, cooling component includes the first heat exchange structure 30, the second heat exchange structure 40 and connecting line 50,
First heat exchange structure 30 exchanges heat with reactor 10, and the second heat exchange structure 40 exchanges heat with decompressing device 20, the first heat exchange structure 30
It is connect by connecting line 50 with the second heat exchange structure 40, to constitute cooling circuit.
Since decompressing device 20 is to absorb heat during decompression, tied by the second heat exchange in cooling component
Structure 40 exchanges heat with decompressing device 20, so that the coolant temperature in cooling component reduces.Cooling medium passes through connection
Pipeline 50 flow to from the first heat exchange structure 30 from the second heat exchange structure 40, and then exchanges heat to reactor 10, reduces reaction
The temperature of heap 10 allows the work of reactor 10 normally and efficiently.Since the cooling to reactor 10 is by fuel cell system
The decompressing device 20 of itself can substantially reduce the configuration of cooling system, reduce cost in system come what is carried out, rationally using certainly
The heat that body system generates reduces energy waste.
As shown in Figure 1, cooling component further includes assistant cooling structure 60, assistant cooling structure 60 and the second heat exchange structure 40
It is arranged in parallel and is connected to by auxiliary piping 70 with connecting line 50.Assistant cooling structure 60 can also make reactor 10 cool down.
After the completion of first heat exchange structure 30 exchanges heat with reactor 10, the heat transferring medium in the first heat exchange structure 30 passes sequentially through connecting line
50 and auxiliary piping 70 enter in assistant cooling structure 60, exchange heat with assistant cooling structure 60, heat transferring medium is distinguished again
It is flowed into the first heat exchange structure 30 by auxiliary piping 70 and connecting line 50 and completes a heat exchange cycle.
As shown in Figure 1, fuel cell system further includes control unit, cooling component further includes first switch structure 80, the
One construction of switch 80 is arranged on auxiliary piping 70, and control unit is connect with first switch structure 80, to control supplement heat rejecter knot
The use state of structure 60.The setting of first switch structure 80 is so that assistant cooling structure 60 becomes controllably, to can according to need and
It decides whether to open assistant cooling structure 60, avoids the waste of the energy.Control unit can control first switch structure
80 open or closes, to control 60 closure or openness of assistant cooling structure.
As shown in Figure 1, cooling component further includes second switch structure 90, second switch structure 90 is arranged in connecting line 50
On, second switch structure 90 is located at the pipeline section between the tie point of auxiliary piping 70 and connecting line 50 and the second heat exchange structure 40
On, control unit is connect with second switch structure 90, to control the use state of the second heat exchange structure 40.Second switch structure 90
Setting so that the second heat exchange structure 40 become controllably, can according to need decide whether open the second heat exchange structure
40, avoid the waste of the energy.Control unit can control 90 open or close of second switch structure, with control the second heat exchange knot
40 closure or openness of structure.
Optionally, first switch structure 80 and/or second switch structure 90 are solenoid valves.Certainly, first switch structure 80
It is also possible to other structures with open and close function with second switch structure 90.
Optionally, fuel cell system further includes temperature-detecting device, and temperature-detecting device detects the reality of reactor 10
Running temperature, temperature-detecting device are connect with control unit,
When actual motion temperature is less than the first preset temperature, control unit controls first switch structure 80 and second switch
Structure 90 is all held off；When actual motion temperature is greater than the first preset temperature and when less than the second preset temperature, control
Unit connects second switch structure 90, and is held off first switch structure 80；When actual motion temperature is greater than second
When preset temperature, control unit connects first switch structure 80 and turns off or connect second switch structure 90.When actual motion temperature
When degree is less than the first preset temperature, reactor 10 itself cooling is relied solely on.It is preset when actual motion temperature is greater than first
Temperature and when less than the second preset temperature, only exchanges heat by the heat that decompressing device 20 generates with cooling component, so that it may
Realize to reactor 10 cool down, do not need at this time operation assistant cooling structure 60, reduce the waste of the energy, reduce work at
This.Only when actual motion temperature is greater than the second preset temperature, it just will start assistant cooling structure 60 at this time, avoid reactor
10 temperature are excessively high and the problem of causing working efficiency to reduce.
It should be noted that decompressing device 20 and the second heat exchange are tied when actual motion temperature is greater than the second preset temperature
Heat exchange between structure 40, which can be used, not to be used.When between decompressing device 20 and the second heat exchange structure 40 heat exchange and it is auxiliary
When cooling structure 60 being helped to work at the same time, the workload of assistant cooling structure 60 can reduce, reduce energy consumption.
Cooling medium recycles in connecting line 50 and auxiliary piping 70, passes through first switch structure 80 and second switch knot
The circulating path of the control cooling medium of structure 90.Assistant cooling structure 60 starts when needed, and assists realizing the cold of reactor 10
But.
Optionally, assistant cooling structure 60 includes fan and/or chilled water unit.Assistant cooling structure 60 is also possible to it
He has the structure of refrigerating function.
In specific embodiment as shown in Figure 1, cooling component further includes water pump 100 and expansion tank 110, wherein water pump
100 are arranged on connecting line 50, so that refrigerant keeps flowing in cooling circuit, expansion tank 110 passes through balance pipeline
120 connect with connecting line 50.Specifically, water pump 100 be arranged in the tie point of auxiliary piping 70 and connecting line 50 with react
On pipeline section between heap 10, so that the cooling medium in cooling component forms circulation.Balance pipeline 120 is located at 70 He of auxiliary piping
The top of connecting line 50 above the tie point of connecting line 50, expansion tank 110 are normally at a whole set of fuel cell system
Highest point, enough uses of amount to observe the cooling medium inside cooling component, while the gas in discharge line, and
Cooling medium can also be added into expansion tank 110, in order to avoid equipment damage.
Optionally, fuel cell system further includes multiple temperature-detecting devices, and multiple temperature-detecting devices detect instead respectively
The temperature of heap 10, cooling medium, decompressing device 20 etc. is answered, control unit pumps 100, first switch according to each temperature controlled water
The working condition of structure 80 and second switch structure 90, to determine the circulating path of cooling medium.
In above-mentioned operation of fuel cell system, temperature-detecting device is provided with the first preset temperature and the second default temperature
Degree, when temperature-detecting device detects that the temperature of reactor 10 is more than the first preset temperature but is less than the second preset temperature,
Control unit starts cooling component, and control water pump 100 works, and second switch structure 90 is closed, so that the circulation path of cooling medium
Circulating path of the diameter between reactor 10 and decompressing device 20.Decompressing device 20 can absorb heat in decompression procedure,
So that the coolant temperature being located in the second heat exchange structure 40 reduces, low-temperature cooling media is recycled to by connecting line 50 and is needed
At the reactor 10 to be cooled down, heat exchange is carried out, realizes the cooling to reactor 10.Since 20 decompression procedure of decompressing device is inhaled
Thermal Finite is received, if having the phenomenon cooling it is impossible to meet reactor 10 only with the heat exchange of decompression procedure.When temperature is examined
When survey device detects that the temperature of reactor 10 is more than the second preset temperature, judged by control unit and controlled, disconnects reactor
Second switch structure 90 between 10 and decompressing device 20, first between closed reaction heap 10 and assistant cooling structure 60 opens
Structure 80 is closed, realizes the cooling to reactor 10 using assistant cooling structure 60.It should be noted that when temperature-detecting device is examined
When measuring the temperature of reactor 10 more than the second preset temperature, the access between reactor 10 and decompressing device 20 can also be made
It remains operational.
Optionally, vehicle includes above-mentioned fuel cell system.
Using the distinctive fuel storage of fuel-cell vehicle, heat exchange management is carried out, it is effective and reasonable to utilize vehicle sheet
The endothermic character of body air supply system decompression process.Reach the saving energy, reduced vehicle configuration, reduces vehicle cost and use
The purpose of cost, raising vehicle continual mileage.
Obviously, above-mentioned the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.
Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts all
Other embodiments should fall within the scope of the present invention.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, work, device, component and/or their combination.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so that presently filed embodiment described herein can be in addition to illustrating herein
Or the sequence other than those of description is implemented.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of fuel cell system, which is characterized in that including reactor (10) and decompressing device (20) and for institute
It states reactor (10) and carries out cooling cooling component, wherein the cooling component includes:
First heat exchange structure (30), first heat exchange structure (30) and the reactor (10) exchange heat；
Second heat exchange structure (40), second heat exchange structure (40) and the decompressing device (20) exchange heat；
Connecting line (50), first heat exchange structure (30) pass through the connecting line (50) and second heat exchange structure
(40) it connects, to constitute cooling circuit.
2. fuel cell system according to claim 1, which is characterized in that the cooling component further includes supplement heat rejecter knot
Structure (60), the assistant cooling structure (60) and second heat exchange structure (40) be arranged in parallel and by auxiliary piping (70) with
Connecting line (50) connection.
3. fuel cell system according to claim 2, which is characterized in that the fuel cell system further includes that control is single
Member, the cooling component further include first switch structure (80), and the first switch structure (80) is arranged in the auxiliary piping
(70) on, described control unit is connect with the first switch structure (80), to control making for the assistant cooling structure (60)
Use state.
4. fuel cell system according to claim 3, which is characterized in that the cooling component further includes second switch knot
Structure (90), the second switch structure (90) are arranged on the connecting line (50), and the second switch structure (90) is located at
On pipeline section between the auxiliary piping (70) and the tie point and second heat exchange structure (40) of the connecting line (50),
Described control unit is connect with the second switch structure (90), to control the use state of second heat exchange structure (40).
5. fuel cell system according to claim 4, which is characterized in that the first switch structure (80) and/or institute
Stating second switch structure (90) is solenoid valve.
6. fuel cell system according to claim 4, which is characterized in that the fuel cell system further includes temperature inspection
Device is surveyed, the temperature-detecting device detects the actual motion temperature of the reactor (10), the temperature-detecting device and institute
Control unit connection is stated,
When the actual motion temperature is less than the first preset temperature, described control unit controls the first switch structure (80)
It is all held off with the second switch structure (90)；
When the actual motion temperature is greater than first preset temperature and when less than the second preset temperature, described control unit is connect
Lead to the second switch structure (90), and is held off the first switch structure (80)；
When the actual motion temperature is greater than second preset temperature, described control unit connects the first switch structure
(80) and turn off or connect the second switch structure (90).
7. fuel cell system according to claim 2, which is characterized in that the assistant cooling structure (60) includes fan
And/or chilled water unit.
8. fuel cell system according to any one of claim 1 to 7, which is characterized in that the cooling component is also wrapped
It includes:
Water pump (100), the water pump (100) are arranged on the connecting line (50), so that refrigerant is returned in the cooling cycle
Road keeps flowing；And/or
Expansion tank (110), the expansion tank (110) are connect by balancing pipeline (120) with the connecting line (50).
9. a kind of vehicle, which is characterized in that including fuel cell system described in any item of the claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811643646.6A CN109786784A (en) | 2018-12-29 | 2018-12-29 | Fuel cell system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811643646.6A CN109786784A (en) | 2018-12-29 | 2018-12-29 | Fuel cell system and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109786784A true CN109786784A (en) | 2019-05-21 |
Family
ID=66499522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811643646.6A Pending CN109786784A (en) | 2018-12-29 | 2018-12-29 | Fuel cell system and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109786784A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080152976A1 (en) * | 2006-12-20 | 2008-06-26 | Denso Corporation | Fuel cell system |
| KR20090090574A (en) * | 2008-02-21 | 2009-08-26 | 자동차부품연구원 | Heating and cooling apparatus of an electric car |
| CN102959783A (en) * | 2010-08-31 | 2013-03-06 | 铃木株式会社 | Fuel cell system |
| CN103887544A (en) * | 2012-12-21 | 2014-06-25 | 上海汽车集团股份有限公司 | Heat dissipating device of fuel cell vehicle |
| CN106299411A (en) * | 2016-08-31 | 2017-01-04 | 北京新能源汽车股份有限公司 | Fuel cell heat management system and the vehicle with it |
| CN106505228A (en) * | 2016-07-18 | 2017-03-15 | 全球能源互联网研究院 | A kind of cooling circuit and fuel cell for fuel cell |
| CN106716697A (en) * | 2014-11-28 | 2017-05-24 | 宝马股份公司 | Method for predictively operating a motor vehicle with a fuel cell system |
| CN108461777A (en) * | 2018-03-16 | 2018-08-28 | 北京亿华通科技股份有限公司 | A kind of heat treatment system for fuel cell pack |
-
2018
- 2018-12-29 CN CN201811643646.6A patent/CN109786784A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080152976A1 (en) * | 2006-12-20 | 2008-06-26 | Denso Corporation | Fuel cell system |
| KR20090090574A (en) * | 2008-02-21 | 2009-08-26 | 자동차부품연구원 | Heating and cooling apparatus of an electric car |
| CN102959783A (en) * | 2010-08-31 | 2013-03-06 | 铃木株式会社 | Fuel cell system |
| CN103887544A (en) * | 2012-12-21 | 2014-06-25 | 上海汽车集团股份有限公司 | Heat dissipating device of fuel cell vehicle |
| CN106716697A (en) * | 2014-11-28 | 2017-05-24 | 宝马股份公司 | Method for predictively operating a motor vehicle with a fuel cell system |
| CN106505228A (en) * | 2016-07-18 | 2017-03-15 | 全球能源互联网研究院 | A kind of cooling circuit and fuel cell for fuel cell |
| CN106299411A (en) * | 2016-08-31 | 2017-01-04 | 北京新能源汽车股份有限公司 | Fuel cell heat management system and the vehicle with it |
| CN108461777A (en) * | 2018-03-16 | 2018-08-28 | 北京亿华通科技股份有限公司 | A kind of heat treatment system for fuel cell pack |
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