CN111584903A - Control system applied to fuel cell system - Google Patents
Control system applied to fuel cell system Download PDFInfo
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- CN111584903A CN111584903A CN202010441900.5A CN202010441900A CN111584903A CN 111584903 A CN111584903 A CN 111584903A CN 202010441900 A CN202010441900 A CN 202010441900A CN 111584903 A CN111584903 A CN 111584903A
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- control
- controller
- module
- weak current
- control modules
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04701—Temperature
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04746—Pressure; Flow
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04858—Electric variables
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The present invention provides a control system applied to a fuel cell system, including: the integrated weak current circuit board, the strong current circuit board and the controller are integrated; the weak current circuit board is provided with a plurality of weak current control modules; at least two strong electric control modules are arranged on the strong electric circuit board; the controller is used for controlling the working states of the weak electric control module and the strong electric control module. Weak point control and strong current control are integrated on one controller, so that the weak current control and the strong current control are jointly controlled, an additional controller is not needed by a strong current control module, the number of subordinate controllers is greatly reduced, interaction among the controllers is reduced, and production cost is reduced.
Description
Technical Field
The present invention relates to the field of fuel cell technology, and more particularly, to a control system for a fuel cell system.
Background
In the fuel cell system, a fuel cell system controller is responsible for receiving a control instruction of the whole vehicle, coordinating other controllers and actuators in the fuel cell system to work and generating electric energy with required power for the vehicle.
However, the number of controllers required in the fuel cell system is large at present, and the total volume of the fuel cell system cannot be reduced.
Disclosure of Invention
In view of the above, in order to solve the above problems, the present invention provides a control system for a fuel cell system, which has the following technical solutions:
a control system applied to a fuel cell system, the control system comprising: the integrated weak current circuit board, the strong current circuit board and the controller are integrated;
the weak current circuit board is provided with a plurality of weak current control modules;
at least two strong electric control modules are arranged on the strong electric circuit board;
the controller is used for controlling the working states of the weak electric control module and the strong electric control module.
Preferably, in the above control system, the plurality of weak current control modules include: an H-bridge drive circuit module;
the H-bridge drive circuit module is used for receiving a control command of the controller so as to control a combination valve, a back pressure valve and a thermostat in the fuel cell system.
Preferably, in the above control system, the plurality of weak current control modules include: a CAN bus communication module;
and the controller realizes high-speed CAN transmission through the CAN bus communication module.
Preferably, in the above control system, the plurality of weak current control modules include: an Ethernet communication module;
the Ethernet communication module is used for carrying out signal transmission with a vehicle control unit and carrying out signal transmission with each domain controller on the fuel cell vehicle.
Preferably, in the above control system, the plurality of weak current control modules include:
the voltage and current high-speed sampling module of the multi-channel fuel cell stack is used for realizing the function of online diagnosis inside the fuel cell.
Preferably, in the above control system, the plurality of weak current control modules include:
and the SENT signal acquisition module is used for acquiring a thermostat position feedback signal.
Preferably, in the above control system, the plurality of weak current control modules include:
and the analog signal acquisition module is used for acquiring the temperature/pressure sensor signal.
Preferably, in the above control system, the plurality of weak current control modules include:
and the PWM signal acquisition module is used for acquiring position feedback signals of the backpressure valve/the combination valve.
Preferably, in the above control system, the at least two strong electric control modules include:
the water pump control inverter driving module and the circulating pump control inverter driving module.
Preferably, in the above control system, the controller is a 6-core controller;
wherein 4 cores of the 6-core controller are used for controlling the plurality of weak electric control modules;
the remaining 2 cores are used to control the at least two ferroelectric control modules.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides a control system applied to a fuel cell system, which comprises: the integrated weak current circuit board, the strong current circuit board and the controller are integrated; the weak current circuit board is provided with a plurality of weak current control modules; at least two strong electric control modules are arranged on the strong electric circuit board; the controller is used for controlling the working states of the weak electric control module and the strong electric control module. Weak point control and strong current control are integrated on one controller, so that the weak current control and the strong current control are jointly controlled, an additional controller is not needed by a strong current control module, the number of subordinate controllers is greatly reduced, interaction among the controllers is reduced, and production cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention 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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a control system applied to a fuel cell system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another control system applied to a fuel cell system according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a control system applied to a fuel cell system according to an embodiment of the present invention.
The control system includes: the system comprises a weak current circuit board 12, a strong current circuit board 13 and a controller 11 which are integrally arranged;
wherein, a plurality of weak electric control modules are arranged on the weak electric circuit board 12;
at least two strong electric control modules are arranged on the strong electric circuit board 13;
the controller 11 is used for controlling the working states of the weak electric control module and the strong electric control module.
In the embodiment, the weak point control and the strong current control are integrated on one controller, so that the common control of the weak current control and the strong current control is realized, an additional controller is not needed in the strong current control module, the number of subordinate controllers is greatly reduced, the interaction among the controllers is reduced, and the production cost is reduced.
Further, referring to fig. 2 based on the above embodiment of the present invention, fig. 2 is a schematic structural diagram of another control system applied to a fuel cell system according to an embodiment of the present invention.
The controller 11 includes, but is not limited to, a TC397 controller, shown as an MCU TC 397.
The plurality of weak current control modules include:
and the SENT signal acquisition module 121 is used for acquiring a thermostat position feedback signal.
The plurality of weak current control modules include:
and an analog signal acquisition module 122 for acquiring temperature/pressure sensor signals.
The plurality of weak current control modules include:
and the PWM signal acquisition module 123 is used for acquiring position feedback signals of the backpressure valve/combination valve.
The plurality of weak current control modules include:
and the switching value signal acquisition module 124 is used for acquiring a water tank liquid level signal.
It should be noted that the send signal acquisition module 121, the analog signal acquisition module 122, the PWM signal acquisition module 123, and the switching value signal acquisition module 124 all transmit acquired signals to the controller 11 through the signal conditioning circuit 125.
Further, according to the above embodiment of the present invention, as shown in fig. 2, the plurality of weak current control modules include: a PeaK/Hold drive module 126;
the PeaK/Hold driving module 126 is configured to receive a control command from the controller 11 to control a hydrogen valve in the fuel cell system.
Further, according to the above embodiment of the present invention, as shown in fig. 2, the plurality of weak current control modules include: an H-bridge drive circuit module 127;
the H-bridge driving circuit module 127 is configured to receive a control command from the controller 11 to control a combination valve, a back pressure valve, and a thermostat in the fuel cell system.
In this embodiment, the H-bridge driving circuit module 127 may be provided to implement integrated control of the combination valve, the back pressure valve, and the thermostat, so as to further integrate the control system.
Further, according to the above embodiment of the present invention, as shown in fig. 2, the plurality of weak current control modules include: a CAN bus communication module 128;
the controller 11 implements high-speed CAN mode transmission through the CAN bus communication module 128.
The CAN bus communication module 128 communicates with the outside through an OBD CAN interface.
Further, according to the above embodiment of the present invention, as shown in fig. 2, the plurality of weak current control modules include: an ethernet communication module 129;
the ethernet communication module 129 is used for signal transmission with the vehicle controller and signal transmission with each domain controller on the fuel cell vehicle.
The ethernet communication module 129 communicates with the outside through an ethernet communication interface.
In the embodiment, the Ethernet communication module is used for carrying out signal transmission with each domain controller on the whole vehicle controller and the fuel cell whole vehicle, so that resource sharing and reasonable distribution of controller operation can be realized, the flexibility and reliability of whole vehicle driving are improved, and the utilization rate of resources in the domain controllers is improved.
Further, according to the above embodiment of the present invention, as shown in fig. 2, the plurality of weak current control modules include:
and the power management module L9788 is used for realizing the functions of power management, self-awakening, CAN awakening, low-side PWM driving and the like.
The tail exhaust electromagnetic valve, the main positive and negative relays, the proportional valve and the like are connected with the power supply.
Further, according to the above embodiment of the present invention, the plurality of weak current control modules include:
the voltage and current high-speed sampling module of the multi-channel fuel cell stack is used for realizing the function of online diagnosis inside the fuel cell.
Further, according to the above embodiment of the present invention, as shown in fig. 2, the at least two strong electric control modules include:
a water pump control inverter drive module 131 and a circulation pump control inverter drive module 132.
In this embodiment, the water pump control inverter driving module 131 drives the corresponding motor by receiving the PWM signal sent by the corresponding module on the weak current circuit board.
The circulation pump control inverter driving module 132 drives the corresponding motor by receiving the PWM signal transmitted from the corresponding module on the weak current circuit board.
The following table shows the logic schematic of the weak current circuit board and the strong current circuit board:
taking a circulating pump driving signal as an example (the same principle of water pump control):
and the control board monitors Vbus _1, IU _1, IW _1 and V _ temp _1, detects over-voltage, over-current and over-temperature faults, and carries out emergency stop processing on the system when the faults are detected.
The driving plate receives a control rotating speed instruction, receives IU _1 and IW _1, and finally outputs EXT-UTPWM _1, EXT-UBPWM _1, EXT-VTPWM _1, EXT-VBPWM _1, EXT-WTPPWM _1 and EXT-WBPWM _1 in an SVPWM mode through rotation speed loop and current loop regulation to control the driving plate.
SVPWM regards voltage as a vector, and finally enables a driver stroke to rotate a magnetic field to drive a motor through vector operation.
Further, according to the above embodiment of the present invention, the controller is a 6-core controller.
Wherein 4 cores of the 6-core controller are used for controlling the plurality of weak electric control modules;
the remaining 2 cores are used to control the at least two ferroelectric control modules.
In this embodiment, the first core mainly operates a fuel cell system control algorithm, the second core mainly operates a functional safety algorithm, the third core mainly operates a system core fault diagnosis algorithm, the fourth core mainly operates a THDA diagnosis algorithm, the fifth core mainly operates a water pump control algorithm, and the sixth core mainly operates a circulation pump control algorithm.
As can be seen from the above description, the present invention provides a control system for a fuel cell system, which reduces the number of lower processors or the functions of the lower processors by means of centralized computing power. The method mainly comprises the steps of directly reducing the number of the subordinate processors, reducing the interaction among the controllers, reducing the processing requirement of the subordinate controllers, and using a lower-level MCU chip.
And moreover, a large amount of repeated calculation is intensively optimized, the development workload and investment of other controllers are reduced, the requirements on investment of related tool chains for development of software of each controller are reduced, the development cost is reduced, the subordinate controller is only responsible for basic communication and driving, development of partial communication protocol stacks, storage functions and the like in software of each controller is saved, and various functions can be deployed and realized more quickly.
Furthermore, the domain controller simplifies the network topology structure of the automobile electronic and electric appliances, reduces the development difficulty, is based on the known standard operating system/hardware platform, is easy to develop software, and reduces the interactive logic between the controllers, thereby reducing the code amount and the development difficulty.
Moreover, the domain controller is centrally developed and maintained and is interconnected with the subordinate controllers through standard interfaces, a host factory can easily replace a supplier of the driving device, after-sale refreshing is greatly simplified, and customized control functions are easily provided.
The present invention provides a control system for a fuel cell system, which is described in detail above, and the principle and the embodiments of the present invention are explained herein by using specific examples, and the above descriptions of the examples are only used to help understanding the method of the present invention and the core idea thereof; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
It should be noted that, in the present specification, the embodiments are all described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
It is further 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. Also, 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 or 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 a 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 invention. 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 invention. Thus, the present invention 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.
Claims (10)
1. A control system applied to a fuel cell system, characterized by comprising: the integrated weak current circuit board, the strong current circuit board and the controller are integrated;
the weak current circuit board is provided with a plurality of weak current control modules;
at least two strong electric control modules are arranged on the strong electric circuit board;
the controller is used for controlling the working states of the weak electric control module and the strong electric control module.
2. The control system of claim 1, wherein the plurality of weak current control modules comprises: an H-bridge drive circuit module;
the H-bridge drive circuit module is used for receiving a control command of the controller so as to control a combination valve, a back pressure valve and a thermostat in the fuel cell system.
3. The control system of claim 1, wherein the plurality of weak current control modules comprises: a CAN bus communication module;
and the controller realizes high-speed CAN transmission through the CAN bus communication module.
4. The control system of claim 1, wherein the plurality of weak current control modules comprises: an Ethernet communication module;
the Ethernet communication module is used for carrying out signal transmission with a vehicle control unit and carrying out signal transmission with each domain controller on the fuel cell vehicle.
5. The control system of claim 1, wherein the plurality of weak current control modules comprises:
the voltage and current high-speed sampling module of the multi-channel fuel cell stack is used for realizing the function of online diagnosis inside the fuel cell.
6. The control system of claim 1, wherein the plurality of weak current control modules comprises:
and the SENT signal acquisition module is used for acquiring a thermostat position feedback signal.
7. The control system of claim 1, wherein the plurality of weak current control modules comprises:
and the analog signal acquisition module is used for acquiring the temperature/pressure sensor signal.
8. The control system of claim 1, wherein the plurality of weak current control modules comprises:
and the PWM signal acquisition module is used for acquiring position feedback signals of the backpressure valve/the combination valve.
9. The control system of claim 1, wherein the at least two strong electric control modules comprise:
the water pump control inverter driving module and the circulating pump control inverter driving module.
10. The control system of claim 1, wherein the controller is a 6-core controller;
wherein 4 cores of the 6-core controller are used for controlling the plurality of weak electric control modules;
the remaining 2 cores are used to control the at least two ferroelectric control modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010441900.5A CN111584903A (en) | 2020-05-22 | 2020-05-22 | Control system applied to fuel cell system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010441900.5A CN111584903A (en) | 2020-05-22 | 2020-05-22 | Control system applied to fuel cell system |
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| CN111584903A true CN111584903A (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010441900.5A Pending CN111584903A (en) | 2020-05-22 | 2020-05-22 | Control system applied to fuel cell system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113777492A (en) * | 2021-08-27 | 2021-12-10 | 江苏兴邦能源科技有限公司 | Fuel cell testing method and system cooperatively controlled by multiple controllers |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150140365A1 (en) * | 2012-06-01 | 2015-05-21 | Nissan Motor Co., Ltd. | Fuel cell system |
| CN108767295A (en) * | 2018-04-19 | 2018-11-06 | 苏州诺登德智能科技有限公司 | A kind of Fuel Cell Control System |
| CN109065986A (en) * | 2018-08-27 | 2018-12-21 | 苏州索贝斯新能源科技有限公司 | A kind of battery temperature control circuit |
| CN109895660A (en) * | 2019-04-17 | 2019-06-18 | 上海汉翱新能源科技有限公司 | A kind of fuel cell car multi-source controller and control method |
| CN209993680U (en) * | 2019-06-17 | 2020-01-24 | 烟台东德实业有限公司 | Fuel cell control system |
| CN111009669A (en) * | 2018-10-08 | 2020-04-14 | 郑州宇通客车股份有限公司 | Vehicle and fuel cell heat dissipation system and integrated controller thereof |
| CN111169329A (en) * | 2019-12-19 | 2020-05-19 | 联创汽车电子有限公司 | Fuel cell control system |
-
2020
- 2020-05-22 CN CN202010441900.5A patent/CN111584903A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150140365A1 (en) * | 2012-06-01 | 2015-05-21 | Nissan Motor Co., Ltd. | Fuel cell system |
| CN108767295A (en) * | 2018-04-19 | 2018-11-06 | 苏州诺登德智能科技有限公司 | A kind of Fuel Cell Control System |
| CN109065986A (en) * | 2018-08-27 | 2018-12-21 | 苏州索贝斯新能源科技有限公司 | A kind of battery temperature control circuit |
| CN111009669A (en) * | 2018-10-08 | 2020-04-14 | 郑州宇通客车股份有限公司 | Vehicle and fuel cell heat dissipation system and integrated controller thereof |
| CN109895660A (en) * | 2019-04-17 | 2019-06-18 | 上海汉翱新能源科技有限公司 | A kind of fuel cell car multi-source controller and control method |
| CN209993680U (en) * | 2019-06-17 | 2020-01-24 | 烟台东德实业有限公司 | Fuel cell control system |
| CN111169329A (en) * | 2019-12-19 | 2020-05-19 | 联创汽车电子有限公司 | Fuel cell control system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113777492A (en) * | 2021-08-27 | 2021-12-10 | 江苏兴邦能源科技有限公司 | Fuel cell testing method and system cooperatively controlled by multiple controllers |
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Address after: 201800 No. 1788, xiechun Road, Anting Town, Jiading District, Shanghai Applicant after: Shanghai jiehydrogen Technology Co.,Ltd. Address before: 201804 unit 10, No.17, Lane 56, Antuo Road, Jiading District, Shanghai Applicant before: Shanghai Jet Hydrogen Technology Co.,Ltd. |
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Application publication date: 20200825 |
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