CN115498752B - Hydrogen energy power and hydrogen energy power generation integrated mobile emergency power supply system - Google Patents
Hydrogen energy power and hydrogen energy power generation integrated mobile emergency power supply system Download PDFInfo
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- CN115498752B CN115498752B CN202211193275.2A CN202211193275A CN115498752B CN 115498752 B CN115498752 B CN 115498752B CN 202211193275 A CN202211193275 A CN 202211193275A CN 115498752 B CN115498752 B CN 115498752B
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- fuel cell
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J15/00—Systems for storing electric energy
- H02J15/008—Systems for storing electric energy using hydrogen as energy vector
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fuel Cell (AREA)
Abstract
The application discloses a hydrogen energy power and hydrogen energy power generation integrated mobile emergency power supply system, which comprises: the system comprises a hydrogen fuel cell truck chassis, an emergency power generation fuel cell, a hydrogen storage system, a lithium cell stack, a parallel operation converter, a change-over switch, a UPS and a centralized monitoring system. The device optimizes the working mechanism of the hydrogen fuel cell of the automobile chassis, utilizes the hydrogen fuel cell of the automobile chassis in the whole running and emergency power-protecting process, coordinates and controls the fuel cell of the automobile chassis and the emergency power-generating fuel cell through the centralized monitoring system, and the two sets of fuel cell systems can operate independently and simultaneously, thereby realizing the bidirectional multiplication and bidirectional redundancy of running power and emergency power supply, improving the running reliability and the endurance mileage of the mobile emergency power supply, simultaneously enhancing the power and the power-generating duration of the emergency power-protecting power supply, and improving the technical economy and the flexibility of the mobile emergency power supply of the hydrogen fuel cell.
Description
Technical Field
The application relates to the technical field of electric power, in particular to a hydrogen energy power and hydrogen energy power generation integrated mobile emergency power supply system.
Background
In order to resist the emergency power supply of major natural disasters and temporary power faults or overhauls, a large number of diesel power generation cars are needed for protecting power in important scenes, and the diesel power generation cars have the defects of carbon emission, tail gas pollution, noise and the like and cannot be used for protecting power in communities and important conferences with high environmental protection requirements. Along with the proposal of the carbon reaching peak, carbon neutralization and green low-carbon policy, the hydrogen energy is taken as a green clean energy source and can play a positive role in the field of emergency power protection and supply. The hydrogen energy power and hydrogen energy power generation integrated mobile emergency power supply based on the hydrogen fuel cell has the environmental protection advantages of zero carbon emission, no pollution, no noise and the like, can fill up the blank of a large-capacity green emergency power supply, and has no public report of the large-capacity hydrogen energy power and hydrogen energy power generation integrated mobile emergency power supply at home and abroad on a public website.
Disclosure of Invention
The application provides a hydrogen energy power and hydrogen energy power generation integrated mobile emergency power supply system which is used for improving the running reliability and the endurance mileage of a mobile emergency power supply and enhancing the emergency power supply power and the power generation duration.
In view of this, the first aspect of the present application provides a hydrogen energy power and hydrogen energy power generation integrated mobile emergency power supply system, the system comprising:
the system comprises a first hydrogen energy unit, a second hydrogen energy unit, a first lithium battery stack, a second lithium battery stack, a parallel operation converter, a change-over switch, a vehicle controller and a centralized control system;
the change-over switch is used for responding to a user instruction, controlling the first hydrogen energy unit and the second lithium battery stack to be connected to the parallel operation converter so that the mobile emergency power supply system is in a potential generating state, or controlling the first hydrogen energy unit and the second lithium battery stack to be connected to a motor for driving wheels of an automobile so that the mobile emergency power supply system is in a driving state;
the centralized control system is used for sending a command to the vehicle controller when the power generation position is reached, so that the vehicle controller responds to the command and then controls the first hydrogen energy unit to generate power so that electric energy is integrated into a direct current bus through the parallel operation converter, and the first lithium battery stack is connected with the direct current bus through a charging switch to charge;
and the vehicle controller is used for sending a command to the centralized control system when the vehicle runs, so that the centralized control system responds to the command and then controls the second hydrogen energy unit to generate electricity, and the electric energy is integrated into a high-voltage bus of the automobile through the parallel operation converter, thereby supplying power to the automobile.
Optionally, the centralized control system is further configured to:
when the commercial power is disconnected, the first lithium battery stack and the second hydrogen energy unit are controlled to be started, and meanwhile, the discharging power of the first lithium battery stack and the discharging power of the second hydrogen energy unit are respectively controlled according to the power of a load, so that the electric energy of the first lithium battery stack and the electric energy of the second hydrogen energy unit are supplied to the load through a direct current bus to a UPS.
Optionally, the first hydrogen energy unit is specifically formed by: the hydrogen storage system, the chassis fuel cell of the automobile and the fuel cell output converter (# 1FC-DCDC) are formed.
Optionally, the second hydrogen energy unit is specifically formed by: the hydrogen storage system, the emergency power generation fuel cell and the fuel cell output converter (# 2FC-DCDC) are formed.
Optionally, the parallel operation converter is a bidirectional converter, and has the functions of reducing and boosting voltage and regulating voltage in a wide range, so that the bidirectional parallel operation function is realized.
Optionally, the vehicle controller and the centralized control system are in CAN communication with the emergency power generation fuel cell.
Optionally, the vehicle controller and the centralized control system communicate with the first hydrogen energy unit, the parallel operation converter and the UPS by Modbus.
Optionally, the vehicle controller and the centralized control system are hard-wired to the charge switch.
From the above technical scheme, the application has the following advantages:
the application provides a hydrogen energy power and hydrogen energy power generation integrated mobile emergency power supply system, which comprises: the system comprises a first hydrogen energy unit, a second hydrogen energy unit, a first lithium battery stack, a second lithium battery stack, a parallel operation converter, a change-over switch, a vehicle controller and a centralized control system; the switching switch is used for responding to a user instruction, controlling the first hydrogen energy unit and the second lithium battery stack to be connected to the parallel operation converter so that the mobile emergency power supply system is in a power generation position, or controlling the first hydrogen energy unit and the second lithium battery stack to be connected to a motor for driving wheels of an automobile so that the mobile emergency power supply system is in a driving position; the centralized control system is used for sending a command to the vehicle controller when the power generation position is generated, so that the vehicle controller responds to the command and then controls the first hydrogen energy unit to generate power so that electric energy is integrated into the direct current bus through the parallel converter, and the first lithium battery stack is connected with the direct current bus through the charging switch to charge; and the vehicle controller is used for sending a command to the centralized control system when the vehicle runs, so that the centralized control system responds to the command and then controls the second hydrogen energy unit to generate electricity, and electric energy is integrated into a high-voltage bus of the vehicle through the parallel converter, so that power is supplied to the vehicle.
Compared with the prior art, the power supply system optimizes the working mechanism of the hydrogen fuel cell of the automobile chassis, the hydrogen fuel cell of the automobile chassis is utilized in the whole running and emergency power-saving process, the fuel cell of the automobile chassis and the emergency power-generating fuel cell are coordinately controlled through the centralized monitoring system, the two sets of fuel cell systems can independently run and can also run in parallel, the running power and the emergency power supply are doubled in both directions and redundant in both directions, the running reliability and the endurance mileage of the mobile emergency power supply are improved, the emergency power-saving power and the power-generating duration are improved, and the technical economy of the mobile emergency power supply of the hydrogen fuel cell and the flexibility of the emergency power-saving are improved.
Drawings
Fig. 1 is a schematic structural diagram of a mobile emergency power supply system integrating hydrogen energy power and hydrogen energy power generation according to an embodiment of the present application.
Detailed Description
In order to make the present application better understood by those skilled in the art, the following description will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Referring to fig. 1, a hydrogen energy power and hydrogen energy power generation integrated mobile emergency power supply system provided in an embodiment of the application includes: the system comprises a first hydrogen energy unit, a second hydrogen energy unit, a first lithium battery stack (# 1 lithium battery (2200 kW/110 kWh)), a second lithium battery stack (# 2 lithium battery stack (110 kW/110 kWh)), a parallel operation converter (DC/DC) (120 kW), a change-over switch, a vehicle controller and a centralized control system;
the first hydrogen energy unit specifically comprises: the hydrogen storage system (1000L, 35 MPa) is connected with a chassis fuel cell (110 kW) of the automobile; the second hydrogen energy unit is specifically composed of: the hydrogen storage system (2000L, 35 MPa) and the emergency power generation fuel cell (110 kW) are connected, as shown in fig. 1, in which the solid line represents the energy line and the broken line represents the control signal. The centralized monitoring system is in CAN communication with the vehicle controller and the emergency power generation fuel cell, is in Modbus communication with the #1 lithium battery stack, the parallel operation converter and the UPS, and is in hard-wired connection with the charging switch. The parallel operation converter is a bidirectional converter and has the functions of reducing and boosting voltage and regulating voltage in a wide range, so that the bidirectional parallel operation function is realized.
The switching switch is used for responding to a user instruction, controlling the first hydrogen energy unit and the second lithium battery stack to be connected to the parallel operation converter so that the mobile emergency power supply system is in a power generation position, or controlling the first hydrogen energy unit and the second lithium battery stack to be connected to a motor for driving wheels of an automobile so that the mobile emergency power supply system is in a driving position;
the application optimizes the working mechanism of the hydrogen fuel cell of the automobile chassis, adds a switching switch of the potential generation and the driving position, and adds a control function module of the potential generation in the automobile controller.
The centralized control system is used for sending a command to the vehicle controller when the power generation position is generated, so that the vehicle controller responds to the command and then controls the first hydrogen energy unit to generate power so that electric energy is integrated into the direct current bus through the parallel converter, and the first lithium battery stack is connected with the direct current bus through the charging switch to charge; when the chassis hydrogen fuel cell and the parallel operation converter (DC/DC) are at the potential, the centralized monitoring system is a control center of the whole device, the electric energy output of the chassis hydrogen fuel cell is integrated into a direct current bus through the DC/DC, the centralized monitoring system controls the power generation of the chassis hydrogen fuel cell through a vehicle controller, and the automobile chassis hydrogen fuel cell realizes the whole process utilization during driving and emergency power protection.
And the vehicle controller is used for sending a command to the centralized control system when the vehicle runs, so that the centralized control system responds to the command and then controls the second hydrogen energy unit to generate electricity, and electric energy is integrated into a high-voltage bus of the vehicle through the parallel converter, so that power is supplied to the vehicle.
When the chassis hydrogen fuel cell and the parallel operation converter (DC/DC) are at a driving position, the vehicle controller is a control center of the whole device, the electric energy of the emergency power generation fuel cell is integrated into a high-voltage bus of the automobile through the DC/DC, the vehicle controller controls the power generation of the emergency power generation fuel cell through the centralized monitoring system, and the emergency power generation fuel cell realizes the whole process utilization during driving and emergency power protection. The vehicle controller controls the emergency power generation fuel cell to cooperatively work to provide power through the centralized monitoring system, so that the effects of power multiplication and redundancy are achieved.
In one embodiment, the centralized control system is further configured to:
when the commercial power is disconnected, the first lithium battery stack and the second hydrogen energy unit are controlled to be started, and meanwhile, the discharge power of the first lithium battery stack and the discharge power of the second hydrogen energy unit are respectively controlled according to the power of the load, so that the electric energy of the first lithium battery stack and the electric energy of the second hydrogen energy unit are supplied to the UPS through the direct current bus to supply power for the load.
It should be noted that, when the commercial power is suddenly cut off, the #1 lithium battery stack immediately supplies power to the load through the discharging loop and the DC/AC fast response of the UPS, and the switching process is zero millisecond undisturbed switching when seen from the load end; the emergency power generation fuel cell is started immediately, the electric energy output is integrated into a direct current bus through a #2FC-DCDC, the centralized monitoring system coordinately controls the power generation power of the two sets of fuel cells and the charging and discharging power of the lithium battery according to the load size, and the power supply power is controlled to automatically follow the load size, so that the effects of power supply power multiplication and power supply redundancy are achieved.
The embodiment of the hydrogen energy power and hydrogen energy power generation integrated mobile emergency power supply provided by the application can last for 5 hours when the UPS is used for emergency power protection with rated output power (250 kVA). The hydrogen storage systems of the two sets of fuel cells follow the respective fuel cell systems, so that the whole process utilization of driving and emergency power protection is also obtained, and the total energy of power and power supply is improved. Therefore, the driving reliability and the endurance mileage of the mobile emergency power supply are improved, and the emergency protection power supply power and the power generation duration are enhanced.
The terms "first," "second," "third," "fourth," and the like in the description of the application and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the application described herein may be implemented, for example, in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be understood that in the present application, "at least one (item)" means one or more, and "a plurality" means two or more. "and/or" for describing the association relationship of the association object, the representation may have three relationships, for example, "a and/or B" may represent: only a, only B and both a and B are present, wherein a, B may be singular or plural. The character "/" generally indicates that the context-dependent object is an "or" relationship. "at least one of" or the like means any combination of these items, including any combination of single item(s) or plural items(s). For example, at least one (one) of a, b or c may represent: a, b, c, "a and b", "a and c", "b and c", or "a and b and c", wherein a, b, c may be single or plural.
In the several embodiments provided in the present application, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of the units is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be embodied essentially or in part or all of the technical solution or in part in the form of a software product stored in a storage medium, including instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: u disk, mobile hard disk, read-Only Memory (ROM), random access Memory (Random Access Memory, RAM), magnetic disk or optical disk, etc.
The above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims (8)
1. The utility model provides a hydrogen energy power and hydrogen energy electricity generation integration mobile emergency power supply system which characterized in that includes: the system comprises a first hydrogen energy unit, a second hydrogen energy unit, a first lithium battery stack, a second lithium battery stack, a parallel operation converter, a change-over switch, a vehicle controller and a centralized control system;
the change-over switch is used for responding to a user instruction, controlling the first hydrogen energy unit and the second lithium battery stack to be connected to the parallel operation converter so that the mobile emergency power supply system is in a potential generating state, or controlling the first hydrogen energy unit and the second lithium battery stack to be connected to a motor for driving wheels of an automobile so that the mobile emergency power supply system is in a driving state;
the centralized control system is used for sending a command to the vehicle controller when the power generation position is reached, so that the vehicle controller responds to the command and then controls the first hydrogen energy unit to generate power so that electric energy is integrated into a direct current bus through the parallel operation converter, and the first lithium battery stack is connected with the direct current bus through a charging switch to charge;
and the vehicle controller is used for sending a command to the centralized control system when the vehicle runs, so that the centralized control system responds to the command and then controls the second hydrogen energy unit to generate electricity, and the electric energy is integrated into a high-voltage bus of the automobile through the parallel operation converter, thereby supplying power to the automobile.
2. The integrated hydrogen power and hydrogen power generation mobile emergency power supply system according to claim 1, wherein the centralized control system is further configured to:
when the commercial power is disconnected, the first lithium battery stack and the second hydrogen energy unit are controlled to be started, and meanwhile, the discharging power of the first lithium battery stack and the discharging power of the second hydrogen energy unit are respectively controlled according to the power of a load, so that the electric energy of the first lithium battery stack and the electric energy of the second hydrogen energy unit are supplied to the load through a direct current bus to a UPS.
3. The integrated mobile emergency power supply system for hydrogen power and hydrogen power generation according to claim 1, wherein the first hydrogen power unit is specifically formed by: the hydrogen storage system, the chassis fuel cell of the automobile and the fuel cell output converter #1FC-DCDC are formed.
4. The integrated mobile emergency power supply system for hydrogen power and hydrogen power generation according to claim 1, wherein the second hydrogen power unit is specifically formed by: the hydrogen storage system, the emergency power generation fuel cell and the fuel cell output converter #2FC-DCDC are formed.
5. The integrated mobile emergency power supply system for hydrogen power and hydrogen power generation according to claim 1, wherein the parallel operation converter is a bidirectional converter and has a decompression and boosting wide-range voltage regulation function, so that a bidirectional parallel operation function is realized.
6. The integrated hydrogen power and hydrogen power generation mobile emergency power supply system according to claim 4, wherein the vehicle controller and the centralized control system are in CAN communication with the emergency power generation fuel cell.
7. The integrated hydrogen power and hydrogen power generation mobile emergency power system according to claim 2, wherein the vehicle controller and the centralized control system are in Modbus communication with the first hydrogen energy unit, the parallel operation converter and the UPS.
8. The integrated hydrogen power and hydrogen power generation mobile emergency power system according to claim 1, wherein the vehicle controller and the centralized control system are hard-wired to the charge switch.
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| CN202211193275.2A CN115498752B (en) | 2022-09-28 | 2022-09-28 | Hydrogen energy power and hydrogen energy power generation integrated mobile emergency power supply system |
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| CN115498752B true CN115498752B (en) | 2023-09-22 |
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