CN112952992A - Composite power supply control system of fuel cell - Google Patents
Composite power supply control system of fuel cell Download PDFInfo
- Publication number
- CN112952992A CN112952992A CN202110391513.XA CN202110391513A CN112952992A CN 112952992 A CN112952992 A CN 112952992A CN 202110391513 A CN202110391513 A CN 202110391513A CN 112952992 A CN112952992 A CN 112952992A
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- China
- Prior art keywords
- power supply
- module
- fuel cell
- unit
- electric quantity
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Classifications
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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
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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
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/10—Parallel operation of dc sources
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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
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/10—Parallel operation of dc sources
- H02J1/109—Scheduling or re-scheduling the operation of the DC sources in a particular order, e.g. connecting or disconnecting the sources in sequential, alternating or in subsets, to meet a given demand
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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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/342—The other DC source being a battery actively interacting with the first one, i.e. battery to battery charging
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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
- H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
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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
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/30—The power source being a fuel cell
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/10—Applications of fuel cells in buildings
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fuel Cell (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a composite power supply control system of a fuel cell, which comprises a system main control module, an energy supply switching module, a cell charging module, a detection module, a safety module, a serial port debugging module and a human-computer interaction module, wherein the system main control module is used for controlling the power supply switching module; the invention establishes a composite power supply control system based on the fuel cell, and completes the switching of the power supply of the lithium battery and the fuel cell and the charging operation of the fuel cell to the lithium battery according to the external load detected by the load detection unit and the power supply residual capacity detected by the capacity detection unit and the detection result, thereby realizing the dynamic adjustment of the working mode of the load power supply system to be suitable for different application scene requirements, ensuring the optimal power supply use efficiency under certain conditions, and finally realizing the stable and long-term operation of the power supply.
Description
Technical Field
The invention relates to the technical field of energy storage control, in particular to a composite power supply control system of a fuel cell.
Background
The fuel cell is a chemical device which directly converts chemical energy of fuel into electric energy, also called electrochemical generator, and is a fourth power generation technology after hydroelectric power generation, thermal power generation and atomic power generation, the power supply of fuel cell vehicles and unmanned planes is a key factor for ensuring the endurance time of the fuel cell vehicles and the unmanned planes, and the fuel cell vehicles and the unmanned planes have defects when being supplied with power by independent batteries alone, for example, the traditional batteries have bottlenecks when driving high-performance equipment due to relatively short running time and low energy density, and a pure fuel cell power system has the advantages of high energy density, suitability for long-time discharge and the like, but has the problems of small instantaneous maximum output power, poor dynamic characteristics and the like;
the existing energy control method is to improve the utilization rate of a power supply, effectively utilize the energy of a battery, obtain longer-time energy supply on the premise of maintaining stability, if the energy supply mode is comprehensively considered and jointly used, in the application aspect, the control process of the composite power supply is complex and is easily influenced by a plurality of factors, for example, the composite power supply system technology which is used by matching a traditional battery with other novel energy technologies can better solve the problem of power supply bottleneck by combining the requirements of different working scenes according to the performance characteristics of different energy sources in working, so the invention provides the composite power supply control system of the fuel battery to solve the problems in the prior art.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a hybrid power supply control system for a fuel cell, which completes switching between a lithium battery and a power supply of the fuel cell and performs charging operation of the fuel cell on the lithium battery according to an external load detected by a load detection unit and a power remaining capacity detected by a capacity detection unit, so as to dynamically adjust a working mode of a load power supply system to meet different application scene requirements, optimize power supply usage efficiency under a certain condition, and finally realize stable and long-term operation of the power supply.
In order to achieve the purpose of the invention, the invention is realized by the following technical scheme: the utility model provides a fuel cell's hybrid power supply control system, includes system host system, energy supply switching module, battery charging module, detection module, safety module, serial ports debugging and human-computer interaction module, energy supply switching module, battery charging module, detection module and safety module all with system host system electric connection, detection module is including the load detecting element who is used for detecting the external load power demand of system and the electric quantity detecting element who is used for detecting fuel cell and lithium cell residual capacity, safety module is including the steady voltage unit who is used for stabilizing the hybrid power supply voltage, the monitoring element who is used for real-time supervision hybrid power supply operating condition and the alarm unit that is used for sending the warning, human-computer interaction module is including the display screen that is used for observing hybrid power supply working parameter in real time and being used for remote control hybrid power supply work mobile terminal, system host system is including the signal receiving unit who is used for receiving signal data, A central processing unit for processing the analysis signal data and a signal transmission unit for transmitting the analysis processing result of the signal data.
The further improvement lies in that: the electric quantity detection unit comprises a fuel cell detection unit for detecting the residual electric quantity of the fuel cell and a lithium cell detection unit for detecting the residual electric quantity of the lithium cell, and the electric quantity detection unit is connected with the signal receiving unit and sends the detection result of the residual electric quantity of the fuel cell and the lithium cell to the central processing unit for processing and analyzing through the signal receiving unit.
The further improvement lies in that: the energy supply switching module is connected with the signal transmission unit, the electric quantity detection unit has the signal transmission unit to transmit to the energy supply switching module after the system main control module processes and analyzes the detection result of fuel cell and lithium cell residual electric quantity, the function and the switching module accomplish the switching of lithium cell and fuel cell power supply according to the data analysis result of fuel cell and lithium cell residual electric quantity.
The further improvement lies in that: the battery charging module is connected with the signal transmission unit, and the battery charging module drives the fuel battery to charge the lithium battery according to the data analysis result of the residual electric quantity of the fuel battery and the lithium battery transmitted by the signal transmission unit.
The further improvement lies in that: the monitoring unit comprises a temperature sensor for detecting the temperature value in the system, a voltage sensor for detecting the voltage of the hybrid power supply and a current sensor for detecting the current of the hybrid power supply, and the temperature sensor, the voltage sensor and the current sensor are all connected with the signal receiving unit.
The further improvement lies in that: alarm unit is including the buzzer siren and the dangerous warning light that are located the outside of system, buzzer siren and dangerous warning light all are connected with signal transmission unit, buzzer siren and dangerous warning light send out the police dispatch newspaper when monitoring unit detects that hybrid power supply operating condition appears unusually.
The further improvement lies in that: the serial port debugging is used for system debugging, be equipped with control panel on the display screen, mobile terminal includes mobile phone and notebook computer, mobile phone and notebook computer all with system host system wireless connection, mobile phone and notebook computer all install the APP that is used for operating compound power supply control system.
The invention has the beneficial effects that: the invention establishes a composite power supply control system based on the fuel cell, and completes the switching of the power supply of the lithium battery and the fuel cell and the charging operation of the fuel cell to the lithium battery according to the external load detected by the load detection unit and the power supply residual capacity detected by the capacity detection unit and the detection result, thereby realizing the dynamic adjustment of the working mode of the load power supply system to be suitable for different application scene requirements, ensuring the optimal power supply use efficiency under certain conditions, and finally realizing the stable and long-term operation of the power supply.
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, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of the control system of the present invention;
FIG. 2 is a diagram of a lithium battery charging process for the control system of the present invention;
fig. 3 is a schematic diagram of a battery charging module of the control system 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 the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, 2 and 3, the embodiment provides a composite power supply control system of a fuel cell, including a system main control module, an energy supply switching module, a battery charging module, a detection module, a security module, a serial port debugging module and a human-computer interaction module, which is characterized in that: the energy supply switching module, the battery charging module, the detection module and the safety module are all electrically connected with the system main control module, the detection module comprises a load detection unit for detecting the power demand of the external load of the system and an electric quantity detection unit for detecting the residual electric quantity of the fuel cell and the lithium battery, the safety module comprises a voltage stabilizing unit for stabilizing the voltage of the composite power supply, a monitoring unit for monitoring the working state of the composite power supply in real time and an alarm unit for giving an alarm, the man-machine interaction module comprises a display screen for observing the working parameters of the composite power supply in real time and a mobile terminal for remotely controlling the working of the composite power supply, the system main control module comprises a signal receiving unit for receiving signal data, a central processing unit for processing and analyzing the signal data and a signal transmission unit for transmitting the analysis and processing result of the signal data.
The electric quantity detection unit comprises a fuel cell detection unit for detecting the residual electric quantity of the fuel cell and a lithium cell detection unit for detecting the residual electric quantity of the lithium cell, and the electric quantity detection unit is connected with the signal receiving unit and sends the detection result of the residual electric quantity of the fuel cell and the lithium cell to the central processing unit for processing and analyzing through the signal receiving unit.
The energy supply switching module is connected with the signal transmission unit, the electric quantity detection unit has the signal transmission unit to transmit to the energy supply switching module after the system main control module processes and analyzes the detection result of fuel cell and lithium cell residual electric quantity, the function and the switching module accomplish the switching of lithium cell and fuel cell power supply according to the data analysis result of fuel cell and lithium cell residual electric quantity.
The battery charging module is connected with the signal transmission unit, and the battery charging module drives the fuel battery to charge the lithium battery according to the data analysis result of the residual electric quantity of the fuel battery and the lithium battery transmitted by the signal transmission unit.
The monitoring unit comprises a temperature sensor for detecting the temperature value in the system, a voltage sensor for detecting the voltage of the hybrid power supply and a current sensor for detecting the current of the hybrid power supply, and the temperature sensor, the voltage sensor and the current sensor are all connected with the signal receiving unit.
Alarm unit is including the buzzer siren and the dangerous warning light that are located the outside of system, buzzer siren and dangerous warning light all are connected with signal transmission unit, buzzer siren and dangerous warning light send out the police dispatch newspaper when monitoring unit detects that hybrid power supply operating condition appears unusually.
The serial port debugging is used for system debugging, be equipped with control panel on the display screen, mobile terminal includes mobile phone and notebook computer, mobile phone and notebook computer all with system host system wireless connection, mobile phone and notebook computer all install the APP that is used for operating compound power supply control system.
The composite power supply control system of the fuel cell establishes a composite power supply control system based on the fuel cell, according to the external load detected by the load detection unit and the power supply residual electric quantity detected by the electric quantity detection unit, and according to the detection result, the switching of the power supply of the lithium cell and the fuel cell is completed and the charging operation of the fuel cell to the lithium cell is carried out, so that the working mode of the load power supply system is dynamically adjusted to be suitable for different application scene requirements, the power supply use efficiency is optimized under a certain condition, and the stable and long-term operation of the power supply is finally realized.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. The utility model provides a fuel cell's hybrid power source control system, includes system host system module, energy supply switching module, battery charging module, detection module, safety module, serial ports debugging and human-computer interaction module, its characterized in that: the energy supply switching module, the battery charging module, the detection module and the safety module are all electrically connected with the system main control module, the detection module comprises a load detection unit for detecting the power demand of the external load of the system and an electric quantity detection unit for detecting the residual electric quantity of the fuel cell and the lithium battery, the safety module comprises a voltage stabilizing unit for stabilizing the voltage of the composite power supply, a monitoring unit for monitoring the working state of the composite power supply in real time and an alarm unit for giving an alarm, the man-machine interaction module comprises a display screen for observing the working parameters of the composite power supply in real time and a mobile terminal for remotely controlling the working of the composite power supply, the system main control module comprises a signal receiving unit for receiving signal data, a central processing unit for processing and analyzing the signal data and a signal transmission unit for transmitting the analysis and processing result of the signal data.
2. The hybrid power supply control system of a fuel cell according to claim 1, characterized in that: the electric quantity detection unit comprises a fuel cell detection unit for detecting the residual electric quantity of the fuel cell and a lithium cell detection unit for detecting the residual electric quantity of the lithium cell, and the electric quantity detection unit is connected with the signal receiving unit and sends the detection result of the residual electric quantity of the fuel cell and the lithium cell to the central processing unit for processing and analyzing through the signal receiving unit.
3. The hybrid power supply control system of a fuel cell according to claim 1, characterized in that: the energy supply switching module is connected with the signal transmission unit, the electric quantity detection unit has the signal transmission unit to transmit to the energy supply switching module after the system main control module processes and analyzes the detection result of fuel cell and lithium cell residual electric quantity, the function and the switching module accomplish the switching of lithium cell and fuel cell power supply according to the data analysis result of fuel cell and lithium cell residual electric quantity.
4. The hybrid power supply control system of a fuel cell according to claim 1, characterized in that: the battery charging module is connected with the signal transmission unit, and the battery charging module drives the fuel battery to charge the lithium battery according to the data analysis result of the residual electric quantity of the fuel battery and the lithium battery transmitted by the signal transmission unit.
5. The hybrid power supply control system of a fuel cell according to claim 1, characterized in that: the monitoring unit comprises a temperature sensor for detecting the temperature value in the system, a voltage sensor for detecting the voltage of the hybrid power supply and a current sensor for detecting the current of the hybrid power supply, and the temperature sensor, the voltage sensor and the current sensor are all connected with the signal receiving unit.
6. The hybrid power supply control system of a fuel cell according to claim 1, characterized in that: alarm unit is including the buzzer siren and the dangerous warning light that are located the outside of system, buzzer siren and dangerous warning light all are connected with signal transmission unit, buzzer siren and dangerous warning light send out the police dispatch newspaper when monitoring unit detects that hybrid power supply operating condition appears unusually.
7. The hybrid power supply control system of a fuel cell according to claim 1, characterized in that: the serial port debugging is used for system debugging, be equipped with control panel on the display screen, mobile terminal includes mobile phone and notebook computer, mobile phone and notebook computer all with system host system wireless connection, mobile phone and notebook computer all install the APP that is used for operating compound power supply control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110391513.XA CN112952992A (en) | 2021-04-13 | 2021-04-13 | Composite power supply control system of fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110391513.XA CN112952992A (en) | 2021-04-13 | 2021-04-13 | Composite power supply control system of fuel cell |
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| Publication Number | Publication Date |
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| CN112952992A true CN112952992A (en) | 2021-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110391513.XA Withdrawn CN112952992A (en) | 2021-04-13 | 2021-04-13 | Composite power supply control system of fuel cell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114402754A (en) * | 2021-12-15 | 2022-04-29 | 江苏大力士机械制造有限公司 | Unmanned wheat seeder capable of uniformly seeding and implementation method thereof |
-
2021
- 2021-04-13 CN CN202110391513.XA patent/CN112952992A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114402754A (en) * | 2021-12-15 | 2022-04-29 | 江苏大力士机械制造有限公司 | Unmanned wheat seeder capable of uniformly seeding and implementation method thereof |
| CN114402754B (en) * | 2021-12-15 | 2023-02-17 | 江苏大力士机械制造有限公司 | Unmanned wheat seeder capable of uniformly seeding and implementation method thereof |
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Application publication date: 20210611 |
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