CN207637906U - A kind of fuel cell heat management system of the non-mixed circulation waterway containing two-stage - Google Patents
A kind of fuel cell heat management system of the non-mixed circulation waterway containing two-stage Download PDFInfo
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- CN207637906U CN207637906U CN201721875870.9U CN201721875870U CN207637906U CN 207637906 U CN207637906 U CN 207637906U CN 201721875870 U CN201721875870 U CN 201721875870U CN 207637906 U CN207637906 U CN 207637906U
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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 kind of fuel cell heat management systems of non-mixed circulation waterway containing two-stage.The heat management system includes inside and outside circulation waterway.The interior circulation waterway includes fuel cell, deionizer, conductivity sensor, but does not include air-cooled radiator；The outer circulation water route does not include fuel cell and deionizer, but includes air-cooled radiator.Heat management system also includes a liquid-liquid heat exchanger, and interior cycle and coolant liquid in outer circulation carry out heat exchange but be not directly contacted in liquid-liquid heat exchanger.Mutually relatively before single circulation waterway heat management system, after the utility model, because outer circulation coolant liquid and fuel cell are without being in direct contact, the conductivity indices that thus need to only control the interior circulation waterway coolant liquid not comprising air-cooled radiator, to reduce the maintenance cost of the conductivity indices in fuel battery service life.
Description
Technical field
The utility model is related to a kind of heat management system, the combustion of more specifically a kind of non-mixed circulation waterway containing two-stage
Expect battery thermal management system, belongs to fuel cell adjunct systems technology field.
Background technology
It is similar with engine, fuel cell be also required for corresponding heat management system come for ensure fuel cell stabilization and
The operation of long-life, specific on heat management system, core index is exactly that the coolant temperature in fuel cell channel is horizontal
And level of conductivity.
Currently existing fuel cell heat management system is single water passage circulation system, and connection type is as shown in Figure 1.
Whole coolant liquids in the circulation waterway use expensive deionization coolant liquid, and inevitably for cooling purpose
It include air-cooled radiator.And understand in the industry, since the heat exchange property of air-cooled radiator is low, volume is larger, in order to control weight,
Vehicular air-cooled radiator is usually aluminium radiator.Level of conductivity in order to control, in addition to coolant liquid has to use deionization coolant liquid
And be equipped with outside deionizer, it will be to deionization coolant liquid and deionization due to the use of the ion that Aluminium Radiator is constantly precipitated
Device is regularly replaced, and the water circuit system volume amount of liquid storage for containing aluminium radiator is big, thus replacement need to expend number every time
Thousand yuan so that the operation expense of fuel-cell device is high, is the big bottleneck that it is promoted and applied.
Utility model content
The purpose of the utility model is to overcome deficiencies in the prior art, and conductivity indices maintenance can be reduced by providing one kind
The fuel cell heat management system of the non-mixed circulation waterway containing two-stage of expense.
In order to achieve the above object, the heat management system of the utility model includes internal circulation system and external circulating system, also wrap
Containing a liquid-liquid heat exchanger.The interior circulation waterway includes fuel cell, deionizer, internal circulation water pump, conductivity biography
Sensor, thermostat, electric heater and inner recirculation flow road；Fuel cell, internal circulation water pump, deionizer, thermostat entrance,
The first outlet of thermostat, electric heater, which are sequentially connected, constitutes circuit, and conductivity sensor is installed on before fuel cell inlet
Pipeline on；The second outlet of one end connection thermostat in inner recirculation flow road, and one end is connected with electric heater outlet；Described
Outer circulation water route includes external circulation water pump, air-cooled radiator and outer circulation runner, and external circulation water pump, air-cooled radiator by following outside
Circulation road is connected to circuit；The inner recirculation flow road, outer circulation runner both pass through liquid-liquid heat exchanger, are changed in liquid-liquid heat exchanger
Heat.
Further, the utility model additionally provides the fuel cell heat management of another non-mixed circulation waterway containing two-stage
System, including interior circulation waterway, outer circulation water route, liquid-liquid heat exchanger；
The interior circulation waterway includes fuel cell, deionizer, internal circulation water pump, conductivity sensor, section temperature
Device, electric heater and inner recirculation flow road；The first of fuel cell, internal circulation water pump, deionizer, electric heater, thermostat
The outlet of entrance, thermostat, which is sequentially connected, constitutes circuit, and conductivity sensor is installed on the pipeline before fuel cell inlet；
The second entrance of one end connection thermostat in inner recirculation flow road, and one end is connected with electric heater entrance；The outer circulation water
Road includes external circulation water pump, air-cooled radiator and outer circulation runner, and external circulation water pump, air-cooled radiator pass through outer circulation runner phase
It is linked to be circuit；The inner recirculation flow road, outer circulation runner both pass through liquid-liquid heat exchanger, exchange heat in liquid-liquid heat exchanger.
Preferably, the inner recirculation flow road, outer circulation runner countercurrent flow in liquid-liquid heat exchanger.
Further, interior cycle expansion tank has been arranged in parallel it in the internal circulation water pump of the interior circulation waterway；It follows outside
Outer circulation expansion tank has been arranged in parallel in the external circulation water pump in ring water route；For constant pressure exhaust and storage, filling coolant liquid.It is swollen
One end of swollen water tank is connected on unit fixed on water pump suction, and the other end is unlimited,
Preferably, it is parallel with a branch on the deionizer.Further, the parallel branch or go from
Sub-device branch road is provided with flow control valve.
Preferably, the material of the liquid-liquid heat exchanger is made as aluminium or stainless steel.
Preferably, the fuel cell outlet is provided with temperature sensor.Thermostat can be according to temperature sensor
Medium in temperature value selection heating or cooling inner loop pipeline.
Traditional single cycle heat management system water route is compared, deionizer is just needed replacing per some months and deionization is cold
But liquid is not required to consider outer circulation part water route after the utility model, and inner loop water route is only needed to carry out conductivity control
System.Since liquid liquid radiator heat exchange efficiency is high, volume can be done smaller, it is preferred to use stainless steel material, therefore interior cycle
The water capacity of part system is small, and deionized water usage amount is little, and does not include the significant source of this ion releasing of aluminium radiator,
Therefore its deionizer replacement cycle can postpone, and the replacement amount of deionization coolant liquid is also greatly reduced, to reduce the dimension
Shield expense.
The innovation of the utility model is traditional single coolant liquid cycling hot managing system, creatively be divided into
Interior cycle and two parts of external circulating system, then reach by the liquid-liquid heat exchanger of a small volume interior cycle and external system is cold
But between liquid heat can transmit but the purpose that will not mix, and aluminium radiator is arranged on outer circulation waterway, to
The coolant liquid that the coolant liquid range for controlling conductivity indices will be needed to narrow down to interior cyclic part out of entire heat management system, and
Interior cyclic part is free of the aluminium radiator for having significant impact to conductivity, to reduce the maintenance expense of control conductivity indices
With.
Compared with prior art, the utility model has the beneficial effects that：
1, expensive deionization coolant liquid need to be only used in internal circulation system, and only needs to use in external circulating system
The disposable expense of coolant liquid is greatly reduced in engine conventional chilling liquid.
2, in fuel cell life cycle, the replacement cycle of deionizer can be extended, reduce deionization coolant liquid
Replacement amount, to which the replacement maintenance cost of fuel cell heat management system zero be greatly lowered.
Description of the drawings
Fig. 1 is current fuel cell heat management system connected mode schematic diagram.
Fig. 2 is 1 system connected mode schematic diagram of the utility model embodiment.
Fig. 3 is the inner flow passage schematic diagram of the liquid-liquid heat exchanger 3 of the utility model embodiment 1.
Fig. 4 is 2 system connected mode schematic diagram of the utility model embodiment.
Fig. 5 is 3 system connected mode schematic diagram of the utility model embodiment.
Specific implementation mode
The embodiment of the utility model is described further below in conjunction with the accompanying drawings.
As shown in Figure 1, being current fuel cell heat management system connected mode schematic diagram, which is transporting
Under row situation deionizer and deionization coolant liquid, the embodiments of the present invention 1, such as Fig. 2 are just needed replacing per some months
Shown in 3.Heat management system includes internal circulation system 1 and external circulating system 2.Internal circulation system 1 includes fuel cell 11, cycle
Water pump 12, deionizer 13, thermostat 14, electric heater 15, stainless steel liquid-liquid heat exchanger 3, conductivity sensor 16, medium
For deionization coolant liquid.External circulating system 2 includes water pump 21, air-cooled radiator 22, stainless steel liquid-liquid heat exchanger 3, electronic fan
23, medium is the conventional engine coolant liquid handled without deionization.As shown in Fig. 2, stainless steel liquid-liquid heat exchanger 3 includes interior
Circulatory flow 31 and outer circulation runner 32, two parts runner by can be spaced-apart with the material of heat conduction, interior outer flow passage it is cold
But heat transfer can be carried out between liquid, but can not mutually be mixed.
It when stable fuel cell operation, recycles inside in 1 water route, when deionization coolant temperature is increased to certain numerical value
Afterwards, 14 aperture of thermostat is in systemic circulation channel status, and it is cold to absorb the deionization come out after heat in fuel cell 11 at this time
But liquid provides power by internal circulation water pump 12, deionizer 13 is flowed through after pumping out, after carrying out ion filter, changed by liquid liquid
The inner recirculation flow road 31 of hot device 3 turns again to the entrance of fuel cell 11.In this inner cyclic process, the constantly middle metal being precipitated
Ion is continuously filtered in deionizer 13, it is ensured that the deionization coolant liquid conductivity entered in fuel cell 11 exists
It is required that lower level；Meanwhile the heat that fuel cell 11 generates also enters in coolant liquid, makes deionization coolant temperature liter
Height, and when flowing through the inner recirculation flow road 31 of liquid-liquid heat exchanger 3, cooled by the coolant liquid in outer circulation runner 32, it is ensured that
Into the coolant liquid in fuel cell 11 temperature lower horizontal to absorb the heat of the generation of fuel cell 11 again；Outside
It recycles in 2 water routes, provides power by external circulation water pump 21, the coolant liquid pumped out flows through air-cooled radiator 22, liquid-liquid heat exchanger 3
Outer circulation runner 32 is eventually returned to the import of water pump 21.In this outer loop process, in the outer circulation for flowing through liquid-liquid heat exchanger 3
When runner 32, after the deionization coolant liquid heating in inner recirculation flow road 31, the temperature of outer circulation coolant liquid increases, then in electricity
It is transferred heat in cold wind through air-cooled radiator 22 again under the action of sub- fan 23, outer circulation coolant temperature reduces, it is ensured that
The coolant temperature for turning again to the outer circulation runner 32 of external circulation water pump 21 and liquid-liquid heat exchanger 3 is in lower level, and
It is heated again afterwards.And with the progress of cycle, the water temperature in entire outer circulation water route 2 continuously keep for a long time one it is rationally steady
Fixed temperature levels.Under power supply and the driving of control system, by the linkage work of inside and outside two cycles (1 and 2), combustion is completed
Expect the lasting heat management of battery 11 and controls the purpose of conductivity indices.
And in interior circulation waterway 1, when deionization coolant temperature is relatively low, 14 aperture of thermostat is in partial circulating access
State enters in electric heater 15 from the coolant liquid in deionizer out, to accelerate the rising of water temperature.
According to the Real-time Monitoring Data of conductivity sensor 16 in interior circulation waterway 1, once the index exceeding standard, it is necessary to more
Change deionizer；If replace deionizer 13 can not still solve excessive problem, need replacing interior circulation waterway 1 go from
Sub- coolant liquid is then not necessarily to outer circulation water route 2 to carry out any maintenance processing.The embodiments of the present invention 2, as shown in figure 5,
Swelling water is set on external circulating system the difference is that expansion tank 17 is arranged on internal circulation system in structure with embodiment 1
Case 24, for constant pressure exhaust and storage, filling coolant liquid.
The embodiments of the present invention 3, as shown in figure 4, with embodiment 1 in structure institute the difference is that：
Liquid-liquid heat exchanger 3 is aluminium system；Thermostat 14 is the structure of Two In and One Out；Deionizer 13 is arranged in branch
On, i.e., only part and not all deionization coolant liquid flows through deionizer 14；The parallel branch or deionization dress
It sets branch road and is provided with flow control valve, reached the purpose of flow-rate adjustment.
And so on, in other embodiments, meeting
(1) heat management system includes interior circulation waterway and outer circulation water route；
Coolant liquid in (2) two water routes can be exchanged heat by liquid-liquid heat exchanger but not mixed；
(3) fuel cell, conductivity sensor, deionizer and deionization coolant liquid exist only in interior circulation waterway
In；
(4) air-cooled radiator exists only in outer circulation waterway.
It is above-mentioned under the conditions of these, the materials of each parts, pattern, specification and their positions in systems can from
By adjusting, some components even can freely increase and decrease.
Claims (8)
1. a kind of fuel cell heat management system of non-mixed circulation waterway containing two-stage, it is characterised in that including interior circulation waterway
(1), outer circulation water route (2), liquid-liquid heat exchanger (3)；
The interior circulation waterway (1) includes fuel cell (11), deionizer (13), internal circulation water pump (12), conductivity
Sensor (16), thermostat (14), electric heater (15) and inner recirculation flow road (31)；Fuel cell (11), internal circulation water pump
(12), deionizer (13), the entrance of thermostat (14), the first outlet of thermostat (14), electric heater (15) sequentially phase
Circuit is even constituted, conductivity sensor (16) is installed on the pipeline before fuel cell (11) entrance；Inner recirculation flow road (31)
One end connection thermostat (14) second outlet, and one end and electric heater (15) export and are connected；
The outer circulation water route (2) includes external circulation water pump (21), air-cooled radiator (22) and outer circulation runner (32), is followed outside
Ring water pump (21), air-cooled radiator (22) are connected to circuit by outer circulation runner (32)；
The inner recirculation flow road (31), outer circulation runner (32) both pass through liquid-liquid heat exchanger (3), in liquid-liquid heat exchanger (3)
Heat exchange.
2. a kind of fuel cell heat management system of non-mixed circulation waterway containing two-stage, it is characterised in that including interior circulation waterway
(1), outer circulation water route (2), liquid-liquid heat exchanger (3)；
The interior circulation waterway (1) includes fuel cell (11), deionizer (13), internal circulation water pump (12), conductivity
Sensor (16), thermostat (14), electric heater (15) and inner recirculation flow road (31)；Fuel cell (11), internal circulation water pump
(12), the outlet sequentially phase of deionizer (13), electric heater (15), the first entrance of thermostat (14), thermostat (14)
Circuit is even constituted, conductivity sensor (16) is installed on the pipeline before fuel cell (11) entrance；Inner recirculation flow road (31)
One end connection thermostat (14) second entrance, and one end is connected with electric heater (15) entrance；
The outer circulation water route (2) includes external circulation water pump (21), air-cooled radiator (22) and outer circulation runner (32), is followed outside
Ring water pump (21), air-cooled radiator (22) are connected to circuit by outer circulation runner (32)；
The inner recirculation flow road (31), outer circulation runner (32) both pass through liquid-liquid heat exchanger (3), in liquid-liquid heat exchanger (3)
Heat exchange.
3. fuel cell heat management system according to claim 1 or 2, it is characterised in that：The inner recirculation flow road
(31), outer circulation runner (32) is in liquid-liquid heat exchanger (3) interior countercurrent flow.
4. fuel cell heat management system according to claim 1 or 2, it is characterised in that：The interior circulation waterway (1)
Internal circulation water pump (12) on be arranged in parallel interior cycle expansion tank (17)；The external circulation water pump (21) in outer circulation water route (2)
On be arranged in parallel outer circulation expansion tank (24)；For constant pressure exhaust and storage, filling coolant liquid.
5. fuel cell heat management system according to claim 1 or 2, it is characterised in that：The deionizer
(13) branch is parallel on.
6. fuel cell heat management system according to claim 5, it is characterised in that：The parallel branch or deionization
Device (13) branch road is provided with flow control valve.
7. fuel cell heat management system according to claim 1 or 2, it is characterised in that：The liquid-liquid heat exchanger (3)
Material be made as aluminium or stainless steel.
8. fuel cell heat management system according to claim 1 or 2, it is characterised in that：The fuel cell (11)
Temperature sensor is provided at import or export.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721875870.9U CN207637906U (en) | 2017-12-28 | 2017-12-28 | A kind of fuel cell heat management system of the non-mixed circulation waterway containing two-stage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721875870.9U CN207637906U (en) | 2017-12-28 | 2017-12-28 | A kind of fuel cell heat management system of the non-mixed circulation waterway containing two-stage |
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| CN207637906U true CN207637906U (en) | 2018-07-20 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109473699A (en) * | 2018-11-12 | 2019-03-15 | 安徽江淮汽车集团股份有限公司 | A kind of hydrogen cell automobile low-temperature start system and control method |
| CN111342081A (en) * | 2020-03-04 | 2020-06-26 | 广西玉柴机器股份有限公司 | Waste heat management system of fuel cell |
| CN112490468A (en) * | 2020-11-20 | 2021-03-12 | 广西玉柴机器股份有限公司 | Integrated intercooler, thermal management device and fuel cell system |
| CN112928304A (en) * | 2021-01-22 | 2021-06-08 | 北京新能源汽车技术创新中心有限公司 | Cooling loop testing device of fuel cell for automobile |
| CN112993321A (en) * | 2019-12-16 | 2021-06-18 | 中车时代电动汽车股份有限公司 | Cooling liquid circulating system for fuel cell |
| CN113097529A (en) * | 2021-04-01 | 2021-07-09 | 上海恒劲动力科技有限公司 | Fuel cell and internal circulation system thereof |
| CN113710057A (en) * | 2021-08-12 | 2021-11-26 | 中国电子科技集团公司电子科学研究院 | Airborne single-phase immersed comprehensive circulating heat management system and airborne integrated comprehensive rack |
| CN113851672A (en) * | 2021-09-22 | 2021-12-28 | 珠海格力电器股份有限公司 | Control method for fuel cell cooling water system, fuel cell, and storage medium |
| CN114122456A (en) * | 2021-11-29 | 2022-03-01 | 大连锐格新能源科技有限公司 | Three-stage water-cooling heat dissipation system for fuel cell engine test and heat dissipation method thereof |
| CN114335601A (en) * | 2021-11-23 | 2022-04-12 | 武汉格罗夫氢能汽车有限公司 | Fuel cell cooling system and cooling method for energy storage power station |
| CN114552067A (en) * | 2022-03-08 | 2022-05-27 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Safety protection system of container power supply |
| CN114864997A (en) * | 2022-05-17 | 2022-08-05 | 太原理工大学 | Cooling system of fuel cell and control method thereof |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109473699A (en) * | 2018-11-12 | 2019-03-15 | 安徽江淮汽车集团股份有限公司 | A kind of hydrogen cell automobile low-temperature start system and control method |
| CN112993321A (en) * | 2019-12-16 | 2021-06-18 | 中车时代电动汽车股份有限公司 | Cooling liquid circulating system for fuel cell |
| CN112993321B (en) * | 2019-12-16 | 2022-08-19 | 中车时代电动汽车股份有限公司 | Cooling liquid circulating system for fuel cell |
| CN111342081A (en) * | 2020-03-04 | 2020-06-26 | 广西玉柴机器股份有限公司 | Waste heat management system of fuel cell |
| CN111342081B (en) * | 2020-03-04 | 2022-09-09 | 广西玉柴机器股份有限公司 | Waste heat management system of fuel cell |
| CN112490468A (en) * | 2020-11-20 | 2021-03-12 | 广西玉柴机器股份有限公司 | Integrated intercooler, thermal management device and fuel cell system |
| CN112928304B (en) * | 2021-01-22 | 2022-07-08 | 北京国家新能源汽车技术创新中心有限公司 | Cooling loop testing device of fuel cell for automobile |
| CN112928304A (en) * | 2021-01-22 | 2021-06-08 | 北京新能源汽车技术创新中心有限公司 | Cooling loop testing device of fuel cell for automobile |
| CN113097529A (en) * | 2021-04-01 | 2021-07-09 | 上海恒劲动力科技有限公司 | Fuel cell and internal circulation system thereof |
| CN113710057A (en) * | 2021-08-12 | 2021-11-26 | 中国电子科技集团公司电子科学研究院 | Airborne single-phase immersed comprehensive circulating heat management system and airborne integrated comprehensive rack |
| CN113710057B (en) * | 2021-08-12 | 2024-05-24 | 中国电子科技集团公司电子科学研究院 | Airborne single-phase immersed comprehensive circulation heat management system and airborne integrated comprehensive rack |
| CN113851672A (en) * | 2021-09-22 | 2021-12-28 | 珠海格力电器股份有限公司 | Control method for fuel cell cooling water system, fuel cell, and storage medium |
| CN114335601A (en) * | 2021-11-23 | 2022-04-12 | 武汉格罗夫氢能汽车有限公司 | Fuel cell cooling system and cooling method for energy storage power station |
| CN114122456A (en) * | 2021-11-29 | 2022-03-01 | 大连锐格新能源科技有限公司 | Three-stage water-cooling heat dissipation system for fuel cell engine test and heat dissipation method thereof |
| CN114122456B (en) * | 2021-11-29 | 2023-10-20 | 大连锐格新能源科技有限公司 | Three-stage water-cooling heat dissipation system for fuel cell engine test and heat dissipation method thereof |
| CN114552067B (en) * | 2022-03-08 | 2023-11-21 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Safety protection system of container power supply |
| CN114552067A (en) * | 2022-03-08 | 2022-05-27 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Safety protection system of container power supply |
| CN114864997A (en) * | 2022-05-17 | 2022-08-05 | 太原理工大学 | Cooling system of fuel cell and control method thereof |
| CN114864997B (en) * | 2022-05-17 | 2024-03-19 | 太原理工大学 | Cooling system of fuel cell and control method thereof |
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