CN214189377U - Fuel cell thermal management system - Google Patents
Fuel cell thermal management system Download PDFInfo
- Publication number
- CN214189377U CN214189377U CN202023105498.8U CN202023105498U CN214189377U CN 214189377 U CN214189377 U CN 214189377U CN 202023105498 U CN202023105498 U CN 202023105498U CN 214189377 U CN214189377 U CN 214189377U
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- fuel cell
- thermal management
- controller
- cell system
- liquid level
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- 239000000446 fuel Substances 0.000 title claims abstract description 105
- 230000017525 heat dissipation Effects 0.000 claims abstract description 30
- 239000007788 liquid Substances 0.000 claims abstract description 29
- 238000012544 monitoring process Methods 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 238000001816 cooling Methods 0.000 claims description 14
- 238000012806 monitoring device Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 4
- 239000000110 cooling liquid Substances 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 238000013461 design Methods 0.000 abstract description 6
- 239000002826 coolant Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000011217 control strategy Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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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
According to the fuel cell heat management system, the heat dissipation fan, the conductivity monitoring, the liquid level monitoring and other components which are relatively centralized in layout in the fuel cell system are separated from the fuel cell system controller system, and the heat management controller is designed to uniformly manage the heat dissipation fan, the conductivity monitoring and the liquid level monitoring, so that the design uncertainty of the fuel cell system controller is reduced, and the problem that the layout of a fuel cell heat dissipation module is far away from the fuel cell system is solved. The system and the method realize functions of fan driving, coolant liquid level monitoring, conductivity monitoring and the like in the fuel cell heat dissipation module through one heat management controller, so that centralized control of the fuel cell heat dissipation module is realized, and the problem of resource shortage of a fuel cell system controller is relieved.
Description
Technical Field
The application relates to the technical field of new energy vehicles, in particular to a fuel cell thermal management system.
Background
The Fuel Cell is a complex system involving multi-factor changes of gas, liquid, electricity, etc., and FCUs (Fuel Cell Control units, Fuel Cell system controllers) need to collect real-time data of temperature, pressure, voltage, current, etc. of the Fuel Cell and Control the normal operation of the system. In order to improve the performance, the service life and the applicability of the system, the intelligent accessories and the sensors are applied more and more, so the requirement on the FCU is higher and higher, and in order to meet the requirement of function expansion in a future period, the FCU is generally designed in a redundancy mode, so that the development cost and the development period of the FCU are longer and longer.
In the existing scheme, all components of a fuel cell system are directly driven and managed by an FCU, as shown in fig. 1, the uncertainty of the number of fans used in a fuel cell heat dissipation module (a radiator and a fan assembly) is large, for example, for a commercial vehicle, the number of fans is not equal to 2-8, and in order to achieve the accuracy of the control of the operating temperature of the fuel cell system, the fans need to be controlled respectively, so that the FCU is correspondingly required to provide 2-6 fan driving pins, which results in large uncertainty of FCU resource reservation. Furthermore, in real vehicles, especially fuel cell commercial vehicles, the fuel cell heat dissipation module layout is often located far from the fuel cell system, for example, as shown in fig. 2, the bus heat dissipation module 22 is located on the roof, and the fuel cell system 25 is located in the cabin, and if the FCU directly drives the fan, monitors the cooling liquid level, etc., it is necessary to link a long wiring harness from the FCU to the roof.
Therefore, the application provides a fuel cell thermal management system, which realizes centralized control of the fuel cell heat dissipation module and relieves the problem of FCU resource shortage.
SUMMERY OF THE UTILITY MODEL
The application provides a fuel cell heat management system for realizing the centralized control of a fuel cell heat dissipation module and relieving the problem of resource shortage of a fuel cell system controller.
In order to achieve the above object, the present application provides the following technical solutions:
a fuel cell thermal management system comprising: vehicle control unit, fuel cell system controller and thermal management controller, wherein:
the whole vehicle controller, the fuel cell system controller and the thermal management controller realize data transmission through network communication;
part of the components of the fuel cell system are directly driven, managed and controlled by the fuel cell system controller;
the thermal management controller is placed on the fuel cell heat dissipation module and used for realizing the driving of a cooling fan in the fuel cell heat dissipation module, the monitoring of the liquid level of cooling liquid and the monitoring of conductivity, and the fuel cell heat dissipation module comprises a radiator, an expansion water tank and a conductivity detection device which are arranged in a centralized mode.
Preferably, a plurality of cooling fans are mounted on the heat sink;
a liquid level monitoring device for realizing a liquid level monitoring function is arranged at the bottom of the expansion water tank and is arranged on the radiator;
and the conductivity monitoring device for realizing the conductivity monitoring function is arranged in the water chamber of the radiator or the expansion water tank.
Preferably, the liquid level monitoring device is a liquid level sensor.
Preferably, the conductivity monitoring device is a conductivity detector.
Preferably, the vehicle control unit, the fuel cell system controller and the thermal management controller communicate with each other through a CAN bus network to realize data transmission.
Preferably, the fuel cell system controller directly drives, manages and controls a part of the components of the fuel cell system, the part including: water pump, air compressor, circulating pump, PTC, air throttle, proportional valve and all kinds of pressure, flow, temperature sensor.
According to the fuel cell heat management system, the heat dissipation fan, the conductivity monitoring, the liquid level monitoring and other components which are relatively centralized in layout in the fuel cell system are separated from the fuel cell system controller system, and the heat management controller is designed to uniformly manage the heat dissipation fan, the conductivity monitoring and the liquid level monitoring, so that the design uncertainty of the fuel cell system controller is reduced, and the problem that the layout of a fuel cell heat dissipation module is far away from the fuel cell system is solved. In the layout, an expansion water tank (including liquid level monitoring) is generally arranged near a radiator, a cooling fan is arranged on the radiator, a conductivity detection instrument can be arranged in a water chamber of the radiator and also can be placed in the expansion water tank, so that the fuel cell heat dissipation module is controlled in a centralized mode, and the problem of resource shortage of a fuel cell system controller is solved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a thermal management system of a fuel cell provided in the prior art;
fig. 2 is a schematic layout view of a fuel cell heat dissipation module provided in the prior art solution;
fig. 3 is a schematic structural diagram of a fuel cell thermal management system according to an embodiment of the present disclosure;
fig. 4 is a schematic layout diagram of a fuel cell heat dissipation module according to an embodiment of the present application;
in fig. 2, 21-hydrogen cylinder, 22-heat dissipation module, 23-expansion water tank, 24-air conditioner, 25-fuel cell system, 26-power battery system, 27-air compressor, 28-driving motor, 29-tire.
Detailed Description
The application provides a fuel cell thermal management system, on the real-time, especially on fuel cell commercial car, fuel cell heat dissipation module often is far away from fuel cell system, and cooling system needs six or more fans to satisfy the cooling demand, and fuel cell system still needs information such as control coolant liquid level, conductivity simultaneously. In order to realize centralized control of the fuel cell heat dissipation module and relieve the problem of FCU resource shortage, the heat management controller is designed to realize functions of fan driving, coolant liquid level monitoring, conductivity monitoring and the like in the fuel cell heat dissipation module.
The invention of the application aims to: the centralized control of fuel cell heat dissipation module is realized to be used for, alleviates FCU resource nervous problem.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 3, a schematic structural diagram of a fuel cell thermal management system according to an embodiment of the present disclosure is provided. As shown in fig. 3, an embodiment of the present application provides a fuel cell thermal management system, including: a vehicle controller 31 (VCU, full name: vehicle Control Unit), a Fuel Cell system controller 32 (FCU, full name: Fuel Cell Control Unit), and a thermal management controller 33, wherein:
as shown in fig. 3, the vehicle control unit 31, the fuel cell system controller 32 and the thermal management controller 33 implement data transmission through network communication; fuel cell system components are directly driven, managed and controlled by the fuel cell system controller 32; the thermal management controller 33 is placed on the fuel cell heat dissipation module, and is configured to implement driving of a cooling fan, monitoring of a liquid level of a cooling liquid, and monitoring of conductivity in the fuel cell heat dissipation module.
In practical application, as shown in fig. 4, a plurality of cooling fans 1 are installed on the radiator a in layout; a liquid level monitoring device 2 for realizing a liquid level monitoring function is arranged at the bottom of the expansion water tank B and is arranged on the radiator A; and the conductivity monitoring device C for realizing the conductivity monitoring function is arranged in the water chamber of the radiator or the expansion water tank. Preferably, the liquid level monitoring device is a liquid level sensor, and the conductivity monitoring device is a conductivity detector.
Preferably, the vehicle control unit, the fuel cell system controller and the thermal management controller communicate with each other through a CAN bus network to realize data transmission.
As shown in fig. 3, in the embodiment of the present application, the fuel cell system controller directly drives, manages and controls the parts of the fuel cell system, which include: water pump, air compressor, circulating pump, PTC, air throttle, proportional valve and all kinds of pressure, flow, temperature sensor.
It should be noted that, in the embodiment of the present application, two modes are used in operation: in the first mode: the fuel cell system controller is used as a fan control decision maker, the fuel cell system controller sends out a CAN message required by the rotating speed of the fan, and the thermal management controller drives the fan to rotate according to a message instruction; the thermal management controller detects fan faults, liquid level signals and conductivity values and reports the values to the fuel cell system controller through the CAN. In the second mode: the thermal management controller collects information such as temperature and conductivity of inlet and outlet water of the galvanic pile, completes calculation of fan rotating speed requirement and drives the cooling fan through a built-in control strategy, and simultaneously detects fan faults, liquid level signals and conductivity values and reports the values to the fuel cell system controller through the CAN.
In the embodiment of the application, the thermal management controller is equivalent to replace a fuel cell system controller to be used as a fan control decision maker and a fan control executor. As shown in fig. 4, in the actual layout, the fuel cell controller 33 is placed near the fuel cell heat dissipation module, and management of the cooling fan 1, the level sensor 2, the conductivity detector 3, and the like is realized nearby.
Through the technical scheme of the embodiment of the application, the burden of the fuel cell system controller is reduced by the thermal management controller on the structure, and the driving function of the thermal management system is moved down; structurally, the heat dissipation module component is managed nearby, and system design is simplified.
By adopting the fuel cell thermal management system provided by the embodiment of the application, the following advantages are achieved: on one hand, the control function of the fan is moved down to the thermal management controller, and the factors such as uncertain number of the fans can be realized through the reservation of the thermal management controller, so that the design burden of the fuel cell system controller which needs a large amount of resources is reduced. On the other hand, in the layout, the fan, the liquid level monitoring position and the conductivity monitoring position are arranged in a centralized mode, and the control is more convenient when a thermal management controller is used for controlling. In addition, the thermal management controller and the fuel cell system controller are communicated through a CAN bus, and the communication is convenient and simple.
To sum up, the fuel cell thermal management system provided by the embodiment of the application divides the components such as the cooling fan, the conductivity monitor, and the liquid level monitor, which are relatively centralized in layout in the fuel cell system, from the fuel cell system controller system, and designs a thermal management controller to perform unified management on the cooling fan, the conductivity monitor, and the liquid level monitor, so that on one hand, the design uncertainty of the fuel cell system controller is reduced, and on the other hand, the problem that the layout of the fuel cell cooling module is far away from the fuel cell system is solved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (6)
1. A fuel cell thermal management system, comprising: vehicle control unit, fuel cell system controller and thermal management controller, wherein:
the whole vehicle controller, the fuel cell system controller and the thermal management controller realize data transmission through network communication;
part of the components of the fuel cell system are directly driven, managed and controlled by the fuel cell system controller;
the thermal management controller is placed on the fuel cell heat dissipation module and used for realizing the driving of a cooling fan in the fuel cell heat dissipation module, the monitoring of the liquid level of cooling liquid and the monitoring of conductivity, and the fuel cell heat dissipation module comprises a radiator, an expansion water tank and a conductivity detection device which are arranged in a centralized mode.
2. The fuel cell thermal management system of claim 1, wherein:
a plurality of cooling fans are mounted on the radiator;
a liquid level monitoring device for realizing a liquid level monitoring function is arranged at the bottom of the expansion water tank and is arranged on the radiator;
and the conductivity monitoring device for realizing the conductivity monitoring function is arranged in the water chamber of the radiator or the expansion water tank.
3. The fuel cell thermal management system of claim 2, wherein the liquid level monitoring device is a liquid level sensor.
4. The fuel cell thermal management system of claim 2, wherein the conductivity monitoring device is a conductivity detector.
5. The fuel cell thermal management system of claim 1, wherein the vehicle controller, the fuel cell system controller and the thermal management controller communicate with each other via a CAN bus network to implement data transmission.
6. The fuel cell thermal management system of claim 1, wherein the fuel cell system controller directly drives, manages and controls a portion of components of the fuel cell system, the portion of components comprising: water pump, air compressor, circulating pump, PTC, air throttle, proportional valve and all kinds of pressure, flow, temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023105498.8U CN214189377U (en) | 2020-12-21 | 2020-12-21 | Fuel cell thermal management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023105498.8U CN214189377U (en) | 2020-12-21 | 2020-12-21 | Fuel cell thermal management system |
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| Publication Number | Publication Date |
|---|---|
| CN214189377U true CN214189377U (en) | 2021-09-14 |
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| CN202023105498.8U Active CN214189377U (en) | 2020-12-21 | 2020-12-21 | Fuel cell thermal management system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114312368A (en) * | 2021-12-30 | 2022-04-12 | 潍柴动力股份有限公司 | Fuel cell system and hydrogen fuel cell bus |
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- 2020-12-21 CN CN202023105498.8U patent/CN214189377U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114312368A (en) * | 2021-12-30 | 2022-04-12 | 潍柴动力股份有限公司 | Fuel cell system and hydrogen fuel cell bus |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240318 Address after: No. 7 Industrial Park, Southeast Corner, Intersection of Tieqiu Road and Panjin Road, Advanced Manufacturing Development Zone, Puyang County, Puyang City, Henan Province, 457100 Patentee after: Wind Hydrogen Yang Hydrogen Energy Technology (Puyang) Co.,Ltd. Country or region after: China Address before: 201806 No. 2, Lane 258, Yinlong Road, Waigang Town, Jiading District, Shanghai Patentee before: Wind hydrogen Yang hydrogen energy technology (Shanghai) Co.,Ltd. Country or region before: China |