CN213959823U - Uninterrupted aluminum fuel power supply system based on aluminum-air battery - Google Patents
Uninterrupted aluminum fuel power supply system based on aluminum-air battery Download PDFInfo
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- CN213959823U CN213959823U CN202023236473.1U CN202023236473U CN213959823U CN 213959823 U CN213959823 U CN 213959823U CN 202023236473 U CN202023236473 U CN 202023236473U CN 213959823 U CN213959823 U CN 213959823U
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Abstract
The utility model discloses an uninterrupted aluminum fuel power system based on an aluminum-air battery, which comprises a commercial power detection and transformation module, a power system energy management module, an aluminum-air battery power generation subsystem, an energy storage battery pack, a monitoring control subsystem and a super capacitor pack; the mains supply detection and conversion module is used for detecting whether the power supply of the accessed mains supply is normal or not, inputting a detection result into the power supply system energy management module, and converting the mains supply into direct current to supply power to the energy storage battery pack, the monitoring control subsystem and the super capacitor pack when the power supply of the mains supply is normal; the power supply system energy management module is used for controlling the energy storage battery pack, the monitoring control subsystem and the super capacitor pack to charge when the mains supply is normal, and switching the aluminum air battery power generation subsystem, the energy storage battery pack, the monitoring control subsystem and the super capacitor pack to supply power to a load outwards when the mains supply is abnormal, so that uninterrupted power supply is realized. The problem that the traditional aluminum-air battery cannot continuously supply power for a long time is solved.
Description
Technical Field
The utility model belongs to the technical field of uninterrupted power system, a incessant aluminium fuel electrical power generating system based on aluminium air battery is related to.
Background
In the current domestic energy structure, fossil fuels such as coal, petroleum and the like occupy most of the fossil fuels, meanwhile, the technical level and efficiency of energy utilization are low, and a large amount of chemical fuels are consumed, so that a serious environmental problem is caused, the traditional energy structure and the utilization mode thereof are increasingly difficult to adapt to the harmonious and green development requirements of human beings, and a clean, efficient and environment-friendly new energy technology is urgently needed.
The aluminum air fuel cell technology has the advantages of large energy density, simple structure, small pollution, high reliability, long service life, high safety, good battlefield secrecy and the like, so that the application field is more and more extensive. However, at present, the intelligent level and the engineering degree of the domestic aluminum-air battery are low, and the application research and the industrialization promotion cases are few. The reason is mainly that: 1) the controllability of the aluminum air power generation technology is poor, the delay is large, and particularly in the aspect of the response speed of load change, the aluminum air power generation technology is singly used as energy output and is difficult to meet the dynamic performance requirement of the actual power utilization environment; 2) the starting time is long; 3) the replacement time of the fuel (aluminum and electrolyte) is long, and the power generation must be stopped in the replacement process, so that the requirement of long-time uninterrupted power supply is difficult to meet.
Disclosure of Invention
An object of the embodiment of the utility model is to provide an incessant aluminium fuel electrical power generating system based on aluminium air battery to solve current aluminium air battery and be difficult to satisfy the dynamic behavior requirement of actual power consumption environment, start-up time is long, be difficult to satisfy the problem of long-time incessant power supply requirement.
The embodiment of the utility model provides an adopted technical scheme is: an uninterrupted aluminum fuel power supply system based on an aluminum-air battery comprises a mains supply detection and conversion module, a power supply system energy management module, an aluminum-air battery power generation subsystem, an energy storage battery pack, a monitoring control subsystem and a super capacitor pack;
the mains supply detection and conversion module is used for detecting whether the power supply of the accessed mains supply is normal or not, inputting a detection result into the power supply system energy management module, converting the mains supply into direct current when the power supply of the mains supply is normal, and supplying power to the energy storage battery pack, the energy storage battery pack of the monitoring control subsystem and the super capacitor pack;
the power system energy management module is used for controlling the energy storage battery pack and the energy storage battery pack of the monitoring control subsystem and the super capacitor pack to charge when the mains supply is normal, and switching the aluminum air battery power generation subsystem, the energy storage battery pack, the monitoring control subsystem and the super capacitor pack to supply power to a load outwards when the mains supply is abnormal, so that uninterrupted power supply is realized, and the power system energy management module adopts a single chip microcomputer;
the aluminum air battery power generation subsystem is used for supplying power to a load when the mains supply is abnormal;
the energy storage battery pack and the monitoring control subsystem are used for charging energy storage when the mains supply is normal, and supplying power to a load when the mains supply is abnormal and the aluminum air battery power generation subsystem stops generating power or the aluminum air battery power generation subsystem does not meet the requirement that the load power is greatly changed within s-grade-3 min before the aluminum air battery power generation subsystem is started;
and the super capacitor bank is used for charging and storing energy when the mains supply is normal, and supplying power to the load when the mains supply is abnormal and the energy storage battery bank and the monitoring and controlling subsystem do not meet the requirement of load power in ms-level transient change.
The embodiment of the utility model provides a beneficial effect is: the uninterrupted aluminum fuel power supply system based on the aluminum-air battery has the characteristics of high energy density, good output dynamic performance, high energy utilization rate, safety, reliability, good environmental protection performance, wide load adaptability and the like.
The utility model provides an incessant aluminium fuel electrical power generating system compares with prior art and has following advantage:
1. various modules of power generation, energy storage and power response are integrated, the application scene adaptability is strong, and the actual application requirements are met. The emergency power supply can be widely used as a standby emergency power supply in communication, building, civil air defense, underground tunnel and other scenes, or a silent power supply in military scenes.
2. When the mains supply is abnormal, the energy storage battery pack is firstly adopted for supplying power, the aluminum air battery power generation subsystem is started, after the aluminum air battery power generation subsystem generates stable power, the aluminum air battery power generation subsystem is switched to supply power and simultaneously charge the energy storage battery pack, and the energy storage battery pack is switched to supply power when the aluminum fuel of the aluminum air battery power generation subsystem is used up.
3. When the load power is changed, the energy storage battery pack, the aluminum air battery power generation system and the super capacitor pack can be switched to supply power according to changing requirements, so that quick load response is realized, the load adaptability is wide, and the problem that the conventional aluminum air battery cannot meet the dynamic performance requirement of the actual power utilization environment is solved.
4. And a man-machine interaction module is arranged, so that the man-machine interaction is friendly.
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 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 system diagram of an uninterruptible aluminum fuel power system according to the present invention.
Fig. 2 is a power supply switching control circuit connection diagram of the energy storage battery pack and the aluminum-air battery of the uninterrupted aluminum fuel power system.
Fig. 3 is a schematic structural diagram of an aluminum-air battery power generation subsystem of the present invention.
In the figure, 1, a mains supply detection and conversion module, 2, a power supply system energy management module, 3, an aluminum air battery power generation subsystem, 4, an energy storage battery pack and monitoring control subsystem, 5, a super capacitor pack, 6, a man-machine interaction module, 7, an aluminum air battery stack, 8, an aluminum air battery power generation control module, 9, an electrolyte supply box, 10, an electrolyte recovery box, 11, an electrolyte supply pump, 12, an electrolyte recovery pump, 13, an electrolyte supply pipeline, 14, an electrolyte recovery pipeline, 15, a charging and discharging control module, 16, a BMS battery management system, 17, an energy storage battery pack, 18, a first power supply control switch, 19, a second power supply control switch, 20, a first charging control switch, 21, a second charging control switch, 22, an electrolyte storage box, 23, a battery stack heat dissipation device and 24, an electrolyte heat dissipation device are included.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the utility model provides an incessant aluminium fuel power supply system based on aluminium air battery, as shown in figure 1, including commercial power detection and transform module 1, power system energy management module 2, aluminium air battery power generation subsystem 3, energy storage battery and monitoring control subsystem 4, super capacitor group 5;
the mains supply detection and conversion module 1 is used for detecting whether the power supply of the accessed mains supply is normal or not, inputting a detection result into the power supply system energy management module 2, and converting the mains supply into direct current when the power supply of the mains supply is normal, and then supplying power to the energy storage battery pack 17 and the super capacitor pack 5 of the energy storage battery pack and monitoring control subsystem 4;
the power system energy management module 2 is used for controlling the energy storage battery pack and monitoring control subsystem 4 and the super capacitor pack 5 to charge when the mains supply is normal, and switching the aluminum air battery power generation subsystem 3, the energy storage battery pack and monitoring control subsystem 4 and the super capacitor pack 5 to supply power to a load outwards when the mains supply is abnormal, so that uninterrupted power supply is realized;
the aluminum air battery power generation subsystem 3 is used for supplying power to a load when the mains supply is abnormal;
the energy storage battery pack and monitoring control subsystem 4 is used for charging energy storage when the mains supply is normal, and supplying power to a load when the mains supply is abnormal and the aluminum air battery power generation subsystem 3 stops power generation or the aluminum air battery power generation subsystem 3 does not meet the requirement that the load power is greatly changed within s-grade-3 min before the aluminum air battery power generation subsystem 3 is started;
The embodiment of the utility model provides an incessant aluminium fuel electrical power generating system based on aluminium air battery still includes human-computer interaction module 6, human-computer interaction module 6's output and electrical power generating system energy management module 2's input electric connection.
The mains supply detection and conversion module 1 comprises a mains supply detection module and an AC/DC conversion circuit, and the mains supply detection module is used for detecting whether the power supply of the accessed mains supply is normal or not and sending the detection result to the power supply system energy management module 2; the AC/DC conversion circuit is used for converting commercial power into direct current and then supplying power to the energy storage battery pack 17 and the super capacitor pack 5 of the monitoring control subsystem 4, the number of the AC/DC conversion circuit is two, one of the AC/DC conversion circuit is used for converting the commercial power into the direct current and charging the energy storage battery pack 17, the input end of the AC/DC conversion circuit is electrically connected with the output end of the commercial power, and the output end of the AC/DC conversion circuit is electrically connected with the energy storage battery pack 17; the other AC/DC conversion circuit is used for converting the commercial power into direct current to charge the super capacitor bank 5, the input end of the AC/DC conversion circuit is electrically connected with the output end of the commercial power, and the output end of the AC/DC conversion circuit is electrically connected with the super capacitor bank 5.
The aluminum air battery power generation subsystem 3 comprises an aluminum air battery stack 7, an aluminum air battery power generation control module 8, an electrolyte supply box 9, an electrolyte recovery box 10, an electrolyte supply pump 11, an electrolyte recovery pump 12, an electrolyte supply pipeline 13 and an electrolyte recovery pipeline 14. An electrolyte supply pump 11 is positioned in the electrolyte supply box 9, an electrolyte recovery pump 12 is positioned in the electrolyte recovery box 10, the electrolyte supply pump 11 is connected with an electrolyte inlet of the aluminum-air cell stack 7 through an electrolyte supply pipeline 13, and the electrolyte recovery pump 12 is connected with an electrolyte outlet of the aluminum-air cell stack 7 through an electrolyte recovery pipeline 14. The aluminum air battery power generation control module 8 is used for starting or closing the electrolyte supply pump 11 and the electrolyte recovery pump 12, specifically, the aluminum air battery power generation control module 8 is a switch module including two controllable switch tubes, one of the controllable switch tubes is arranged between the supply power supply of the recovery pump and the electrolyte supply pump 11, the other controllable switch tube is arranged between the supply power supply of the recovery pump and the electrolyte recovery pump 12, and the control ends of the two controllable switch tubes are respectively electrically connected with different output ends of the power supply system energy management module 2. The aluminum-air battery power generation control module 8 preferably comprises an IGBT module with two IGBT switching tubes, and how each IGBT switching tube is connected belongs to the common knowledge in the art, and is not described herein again. The power supply system energy management module 2 controls the supply and recovery of the electrolyte by controlling the aluminum air cell power generation control module 8 to start or stop the electrolyte supply pump 11 and the electrolyte recovery pump 12, and further controls the aluminum air cell stack 7 to generate power or stop generating power. Meanwhile, the power supply system energy management module 2 can also control the rotating speed of the electrolyte supply pump 11 and the electrolyte recovery pump 12 by controlling the aluminum air battery power generation control module 8, and adjust the electrolyte supply and recovery speed by controlling the rotating speed of the electrolyte supply pump 11 and the electrolyte recovery pump 12, thereby realizing the power generation output power control of the aluminum air battery stack 7. In addition, a liquid level sensor can be arranged to monitor the liquid level of the electrolyte in the aluminum-air battery stack 7, the output end of the liquid level sensor is electrically connected with the input end of the power supply system energy management module 2, and after the liquid level sensor detects that the electrolyte reaches a specified position, the power supply system energy management module 2 controls the controllable switch tube arranged between the power supply of the supply recovery pump and the electrolyte recovery pump 12 to be disconnected, and the liquid supply is stopped.
The number of the electrolyte supply pumps 11 and the electrolyte recovery pumps 12 is the same as that of the aluminum-air cell stacks 7, and a single electrolyte supply pump 11 and a single electrolyte recovery pump 12 may be used, and the electrolyte may be supplied to and recovered from all the aluminum-air cell stacks 7 by branching off the electrolyte by a current divider after the pumps. When the electrolyte is recycled, the electrolyte supply box 9 and the electrolyte recovery box 10 can be combined into one to form the electrolyte storage box 22, or the electrolyte recovery box 10 is communicated with the electrolyte supply box 9 through an electrolyte circulation pipeline, and a filtering system is arranged on the electrolyte circulation pipeline to filter the recycled electrolyte.
Specifically, as shown in fig. 2, a first power supply control switch 18 is arranged between the aluminum air battery stack 7 and the load, a second power supply control switch 19 is arranged between the super capacitor bank 5 and the load, a first charging control switch 20 is arranged between the commercial power output end and the super capacitor bank 5, a second charging control switch 21 is arranged between the aluminum air battery stack 7 and the energy storage battery bank 17, the first power supply control switch 18, the second power supply control switch 19, the first charging control switch 20 and the second charging control switch 21 are all controllable switch tubes, such as MOS tubes and IGBT tubes, and the control ends of the first power supply control switch 18, the second power supply control switch 19, the first charging control switch 20 and the second charging control switch 21 are respectively electrically connected with different output ends of the power supply system energy management module 2, and the power supply system energy management module 2 controls the commercial power to the super capacitor bank by controlling the on-off state of the first charging control switch 20 5, the power supply is controlled by controlling the on-off of the second charging control switch 21 to control the aluminum-air battery stack 7 to supply power to the energy storage battery pack 17, and the power supply of the aluminum-air battery stack 7 and the super capacitor bank 5 to the load is controlled by controlling the on-off of the first power supply control switch 18 and the second power supply control switch 19. The first power supply control switch 18, the second power supply control switch 19, the first charging control switch 20 and the second charging control switch 21 are preferably switching tubes IGBT. The first charging control switch 20 is connected in series with an AC/DC conversion circuit of the commercial power detection and conversion module 1, which is used for converting commercial power into direct current to charge the super capacitor bank 5. The power supply system energy management module 2 adopts the existing controller, such as a single chip microcomputer (STM 32 series) and the like.
The aluminum-air battery power generation subsystem 3 further comprises a DC/DC conversion circuit arranged between the aluminum-air battery stack 7 and the super capacitor bank 5, the DC/DC conversion circuit is used for carrying out DC/DC conversion on the output of the aluminum-air battery stack 7 and charging the energy storage battery pack 17 of the energy storage battery pack and the monitoring control subsystem 4, and the DC/DC conversion circuit is connected with the second charging control switch 21 in series.
The aluminum-air battery power generation subsystem 3 further includes a heat dissipation device, as shown in fig. 3, the heat dissipation device is divided into a stack heat dissipation device 23 and an electrolyte heat dissipation device 24, the stack heat dissipation device 23 is disposed outside the aluminum-air battery stack 7, the electrolyte heat dissipation device 24 may be disposed on the electrolyte recovery pipeline 14 or/and outside the electrolyte recovery tank 10, and when the electrolyte recovery tank 10 is communicated with the electrolyte supply tank 9 through the electrolyte circulation pipeline for electrolyte circulation, the electrolyte heat dissipation device 24 may be further disposed on the electrolyte circulation pipeline. As shown in fig. 3, the aluminum-air cell power generation subsystem 3 may adopt an up-down layout (spatial height position), the aluminum-air cell stack 7 and the cell stack heat dissipation device 23 are supported above the electrolyte storage tank 22 (the electrolyte supply tank 9 and the electrolyte recovery tank 10 are combined into one) by the support frame, the cell stack heat dissipation device 23 is disposed on one side of the outside of the aluminum-air cell stack 7, the electrolyte heat dissipation device 24 is disposed outside the electrolyte storage tank 22, and the aluminum-air cell power generation control module 8 is preferably installed at a higher position and is favorable for heat dissipation.
The aluminum-air battery power generation subsystem 3 also comprises a first voltage detection module and a first current detection module which are used for monitoring the output voltage and the output current of the aluminum-air battery stack 7, so that the aluminum-air battery stack 7 is ensured to supply power when the stable and rated output capacity is achieved; the super capacitor bank 5 further comprises a second voltage detection module and a second current detection module for monitoring the output voltage and the output current of the super capacitor bank, so that the super capacitor bank 5 is prevented from being overcharged or overdischarged; and the output ends of the first voltage detection module, the second voltage detection module, the first current detection module and the second current detection module are respectively and electrically connected with different input ends of the power supply system energy management module 2.
As shown in fig. 1, the energy storage battery pack and monitoring and control subsystem 4 includes a charging and discharging control module 15, a BMS battery management system 16 and an energy storage battery pack 17. The charge and discharge control module 15 is used for controlling the energy storage battery pack 17 to charge when the mains supply is normal, and controlling the energy storage battery pack 17 to supply power to the load when the mains supply is abnormal and the aluminum air battery power generation subsystem 3 is started and stops generating power or the aluminum air battery power generation subsystem 3 does not meet the requirement of large change of load power before the aluminum air battery power generation subsystem 3 is started. Specifically, the charge and discharge control module 15 is a switch module including two controllable switch tubes, one of the controllable switch tubes is disposed between the commercial power output end and the energy storage battery pack 17, the other controllable switch tube is disposed between the energy storage battery pack 17 and the load, and control ends of the two controllable switch tubes are electrically connected to different output ends of the power system energy management module 2; the controllable switch tube arranged between the commercial power output end and the energy storage battery pack 17 is connected in series with an AC/DC conversion circuit of the commercial power detection and conversion module 1, which is used for converting commercial power into direct current to charge the energy storage battery pack 17. The charge and discharge control module 15 preferably includes an IGBT module having at least two IGBT switch tubes, and how each IGBT switch tube is connected belongs to the common general knowledge in the art, and is not described herein again. The input end of the BMS battery management system 16 is connected with the energy storage battery pack 17, the output end of the BMS battery management system 16 is electrically connected with the input end of the power system energy management module 2, and the BMS battery management system 16 is used for monitoring states of the energy storage battery pack 17, such as SOC (state of charge), and sending the states to the power system energy management module 2. The construction and use of the BMS battery management system 16 are well known in the art and will not be described in detail herein.
The embodiment of the utility model provides a working process of incessant aluminium fuel electrical power generating system based on aluminium air battery as follows:
1) when the mains supply detection and conversion module 1 detects that the power supply of the accessed mains supply is normal, a mains supply normal power supply signal is transmitted to the power system energy management module 2, and the mains supply output (AC) is bypassed; meanwhile, after the commercial power is converted into direct current, the power is supplied to the energy storage battery pack and the energy storage battery pack 17 and the super capacitor pack 5 of the monitoring control subsystem 4, and according to the SOC (state of charge) of the energy storage battery pack 17 monitored by the BMS battery management system 16, the power system energy management module 2 controls the controllable switch tube between the commercial power output end and the energy storage battery pack 17 in the charging and discharging control module 15 to be closed, so that the energy storage battery pack 17 performs charging, and controls the first charging control switch 20 to be closed, so that the super capacitor pack 5 performs charging.
2) When commercial power detection module detects that the electric supply that inserts is interrupted or the unsatisfied power consumption requirement of power supply quality, the embodiment of the utility model provides a start power supply mode specifically as follows:
(1) the power supply system energy management module 2 controls a controllable switch tube positioned between a commercial power output end and the energy storage battery pack 17 in the charge and discharge control module 15 to be disconnected, controls a controllable switch tube positioned between the commercial power output end and the energy storage battery pack 17 in the charge and discharge control module 15 to be disconnected, controls a controllable switch tube arranged between the energy storage battery pack 17 and a load in the charge and discharge control module 15 to be closed, and switches the energy storage battery pack 17 to a supply source to supply power to the load; meanwhile, the power system energy management module 2 controls a controllable switch tube arranged between a power supply of the supply recovery pump and the electrolyte supply pump 11 in the aluminum air battery power generation control module 8 to be closed, starts the electrolyte supply pump 11, supplies electrolyte to the aluminum air battery stack 7, and controls the aluminum air battery power generation subsystem 3 to be started;
(2) after the aluminum air battery power generation subsystem 3 starts the electrolyte supply pump 11 to work through the aluminum air battery power generation control module 8, the battery stack heat dissipation device 23 is started/adjusted conditionally, the aluminum air battery stack 7 is started to generate power, the output voltage and the output current of the aluminum air battery stack 7 are detected in real time by a first voltage detection module and a first current detection module of the aluminum air battery power generation subsystem 3, and after a liquid level sensor in the aluminum air battery stack 7 detects that the electrolyte reaches a specified position, the power supply system energy management module 2 controls a controllable switch tube arranged between a supply power supply of a supply recovery pump and the electrolyte recovery pump 12 to be disconnected and stops supplying the liquid;
(3) when the first voltage detection module and the first current detection module detect that the aluminum-air battery stack 7 reaches stable, rated output capacity or current average load, the power supply system energy management module 2 controls the first power supply control switch 18 to be closed, controls a controllable switch tube arranged between the energy storage battery pack 17 and the load in the charge and discharge control module 15 to be opened, switches an output power supply from the energy storage battery pack 17 to the aluminum-air battery stack 7 of the aluminum-air battery power generation subsystem 3, and simultaneously controls the second charge control switch 21 to be closed by the power supply system energy management module 2, so that the aluminum-air battery power generation subsystem 3 outputs the load and simultaneously supplements electric energy to the energy storage battery pack 17 until the energy storage battery pack 17 is fully charged;
(1) during the period of (3), the power supply system energy management module 2 adjusts the utilization ratio of the three electric energy sources according to the load change rate, and controls the second power supply control switch 19 to be closed and switches the super capacitor bank 5 to supply power when the load power is in ms-level transient change; and when the load power is changed greatly within s-grade to 3 minutes, switching the energy storage battery pack 17 to supply power, otherwise, switching the aluminum air battery stack 7 of the aluminum air battery power generation subsystem 3 to supply power.
(4) When the aluminum fuel of the aluminum air battery power generation subsystem 3 is consumed, the power supply logic returns to (1), the steps from (1) to (3) are repeatedly executed, the power supply system energy management module 2 controls a controllable switch tube arranged between a power supply source of the supply recovery pump and the electrolyte recovery pump 12 in the aluminum air battery power generation control module 8 to be closed, the electrolyte recovery pump 12 is started to work, the electrolyte is recovered, and meanwhile, the aluminum fuel in the aluminum air battery power generation subsystem 3 is replaced.
(5) And (4) repeatedly executing the steps (1) to (4) to realize long-term uninterrupted power supply.
(6) When the mains supply detection module detects that the mains supply is normally connected, the power supply mode returns to 1), meanwhile, the power supply system energy management module 2 controls the aluminum air battery power generation subsystem 3 to stop generating power, and the aluminum air battery power generation subsystem 3 controls the electrolyte recovery pump 12 to work through the aluminum air battery power generation control module 8 to recover the electrolyte and stop generating power.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (10)
1. An uninterrupted aluminum fuel power system based on an aluminum-air battery is characterized by comprising a mains supply detection and conversion module (1), a power system energy management module (2), an aluminum-air battery power generation subsystem (3), an energy storage battery pack and monitoring control subsystem (4) and a super capacitor pack (5);
the mains supply detection and conversion module (1) is used for detecting whether the power supply of the accessed mains supply is normal or not, inputting a detection result into the power supply system energy management module (2), and supplying power to the energy storage battery pack and the energy storage battery pack (17) and the super capacitor pack (5) of the monitoring control subsystem (4) after the mains supply is converted into direct current when the power supply of the mains supply is normal;
the power system energy management module (2) is used for controlling the energy storage battery pack and the energy storage battery pack (17) of the monitoring control subsystem (4) and the super capacitor pack (5) to charge when the mains supply is normal, and switching the aluminum air battery power generation subsystem (3), the energy storage battery pack and the monitoring control subsystem (4) and the super capacitor pack (5) to supply power to a load outwards when the mains supply is abnormal, so that uninterrupted power supply is realized, and the power system energy management module (2) adopts a single chip microcomputer;
the aluminum air battery power generation subsystem (3) is used for supplying power to a load when the mains supply is abnormal;
the energy storage battery pack and monitoring control subsystem (4) is used for charging energy storage when the mains supply is normal, and supplying power to a load when the mains supply is abnormal and the aluminum air battery power generation subsystem (3) stops generating power or the aluminum air battery power generation subsystem (3) does not meet the requirement that the load power is greatly changed within s-grade-3 min before the aluminum air battery power generation subsystem (3) is started;
and the super capacitor bank (5) is used for charging and storing energy when the mains supply is normal, and supplying power to the load when the mains supply is abnormal and the energy storage battery bank and the monitoring control subsystem (4) do not meet the requirement of load power in ms-level transient change.
2. The uninterrupted aluminum fuel power system based on aluminum-air battery as claimed in claim 1, wherein the utility power detecting and transforming module (1) comprises a utility power detecting module and two AC/DC converting circuits;
the mains supply detection module is used for detecting whether the power supply of the accessed mains supply is normal or not and sending the detection result to the power supply system energy management module (2);
one of the two AC/DC conversion circuits is used for converting commercial power into direct current to charge the energy storage battery pack (17), the input end of the AC/DC conversion circuit is electrically connected with the output end of the commercial power, and the output end of the AC/DC conversion circuit is electrically connected with the energy storage battery pack (17); the other AC/DC conversion circuit is used for converting the commercial power into direct current to charge the super capacitor bank (5), the input end of the AC/DC conversion circuit is electrically connected with the output end of the commercial power, and the output end of the AC/DC conversion circuit is electrically connected with the super capacitor bank (5).
3. The uninterrupted aluminum fuel power system based on the aluminum air battery as claimed in claim 1, wherein the aluminum air battery power generation subsystem (3) comprises an aluminum air battery stack (7), an aluminum air battery power generation control module (8), an electrolyte supply tank (9), an electrolyte recovery tank (10), an electrolyte supply pump (11), an electrolyte recovery pump (12), an electrolyte supply pipeline (13) and an electrolyte recovery pipeline (14);
the electrolyte supply pump (11) is positioned in the electrolyte supply box (9), the electrolyte recovery pump (12) is positioned in the electrolyte recovery box (10), the electrolyte supply pump (11) is connected with an electrolyte inlet of the aluminum-air cell stack (7) through an electrolyte supply pipeline (13), and the electrolyte recovery pump (12) is connected with an electrolyte outlet of the aluminum-air cell stack (7) through an electrolyte recovery pipeline (14);
the power generation control module (8) of the aluminum air battery is used for starting or stopping the electrolyte supply pump (11) and the electrolyte recovery pump (12).
4. The uninterrupted aluminum fuel power system based on the aluminum air battery as recited in claim 3, wherein the aluminum air battery power generation control module (8) is a switch module comprising two controllable switch tubes, one of the controllable switch tubes is disposed between the power supply of the supply and recovery pump and the electrolyte supply pump (11), the other controllable switch tube is disposed between the power supply of the supply and recovery pump and the electrolyte recovery pump (12), and the control ends of the two controllable switch tubes are electrically connected with different output ends of the power system energy management module (2), the aluminum air battery power generation control module (8) starts or stops the electrolyte supply pump (11) and the electrolyte recovery pump (12) by closing and stopping the two controllable switch tubes;
the aluminum air battery power generation subsystem (3) further comprises a first voltage detection module and a first current detection module which are used for monitoring the output voltage and the output current of the aluminum air battery stack (7), the super capacitor bank (5) further comprises a second voltage detection module and a second current detection module which are used for monitoring the output voltage and the output current of the super capacitor bank, and the output ends of the first voltage detection module, the second voltage detection module, the first current detection module and the second current detection module are respectively electrically connected with different input ends of the power supply system energy management module (2).
5. The uninterrupted aluminum fuel power system based on aluminum-air battery as claimed in claim 4, characterized in that the aluminum-air battery power generation control module (8) is an IGBT module comprising two IGBT switch tubes.
6. The uninterrupted aluminum fuel power supply system based on the aluminum-air battery as claimed in any one of claims 3 to 5, wherein a first power supply control switch (18) is arranged between the aluminum-air battery stack (7) and the load, a second power supply control switch (19) is arranged between the super capacitor bank (5) and the load, a first charging control switch (20) is arranged between the commercial power output end and the super capacitor bank (5), a second charging control switch (21) is arranged between the aluminum-air battery stack (7) and the energy storage battery bank (17), the first power supply control switch (18), the second power supply control switch (19), the first charging control switch (20) and the second charging control switch (21) are controllable switch tubes, and the first power supply control switch (18), the second power supply control switch (19) and the second charging control switch (21) are controllable switch tubes, The control ends of a first charging control switch (20) and a second charging control switch (21) are respectively electrically connected with different output ends of a power system energy management module (2), the power system energy management module (2) controls the commercial power to supply power to a super capacitor bank (5) by controlling the on-off of the first charging control switch (20), controls an aluminum air battery stack (7) to supply power to an energy storage battery bank (17) by controlling the on-off of the second charging control switch (21), and controls the aluminum air battery stack (7) and the super capacitor bank (5) to supply power to a load by controlling the on-off of a first power supply control switch (18) and a second power supply control switch (19);
the first charging control switch (20) is connected in series with an AC/DC conversion circuit of the commercial power detection and conversion module (1) for converting commercial power into direct current to charge the super capacitor bank (5);
and a DC/DC conversion circuit is also arranged between the aluminum-air battery stack (7) and the energy storage battery pack (17), the DC/DC conversion circuit is used for carrying out DC/DC conversion on the output voltage of the aluminum-air battery stack (7) and charging the energy storage battery pack (17), and the DC/DC conversion circuit is connected with a second charging control switch (21) in series.
7. The uninterrupted aluminum fuel power system based on the aluminum-air battery as claimed in any one of claims 3 to 5, wherein one or more electrolyte supply pumps (11) and electrolyte recovery pumps (12) are respectively provided; when the electrolyte supply pump (11) and the electrolyte recovery pump (12) are respectively provided with one, the electrolyte supply pump and the electrolyte recovery pump are respectively connected with the plurality of aluminum-air cell stacks (7) in a one-to-one correspondence manner through the current divider; when the electrolyte supply pumps (11) and the electrolyte recovery pumps (12) are respectively provided in plurality, the number of the electrolyte supply pumps (11) and the number of the electrolyte recovery pumps (12) are the same as that of the aluminum-air cell stacks (7), and the electrolyte supply pumps (11) and the electrolyte recovery pumps (12) are respectively connected with the aluminum-air cell stacks (7) in a one-to-one correspondence manner;
the aluminum-air cell stack (7) is externally provided with a cell stack heat dissipation device (23), and the electrolyte recovery tank (10) and/or the electrolyte recovery pipeline (14) is externally provided with an electrolyte heat dissipation device (24).
8. The uninterrupted aluminum fuel power system based on the aluminum-air battery as claimed in any one of claims 3 to 5, wherein the electrolyte supply tank (9) and the electrolyte recovery tank (10) are integrated into one electrolyte storage tank (22), and the electrolyte supply pump (11) and the electrolyte recovery pump (12) are both arranged in the electrolyte storage tank (22);
a filtering system is arranged on the electrolyte supply pipeline (13) and/or the electrolyte recovery pipeline (14);
the aluminum-air cell stack (7) is externally provided with a cell stack heat dissipation device (23), and the electrolyte storage tank (22) and/or the electrolyte supply pipeline (13) and/or the electrolyte recovery pipeline (14) is externally provided with an electrolyte heat dissipation device (24).
9. The uninterrupted aluminum fuel power supply system based on the aluminum-air battery as claimed in any one of claims 1 to 5, further comprising a human-computer interaction module (6), wherein an output end of the human-computer interaction module (6) is electrically connected with an input end of the power supply system energy management module (2);
the energy storage battery pack and monitoring control subsystem (4) comprises a charging and discharging control module (15), a BMS battery management system (16) and an energy storage battery pack (17);
the charging and discharging control module (15) is used for controlling the energy storage battery pack (17) to charge when the mains supply is normal, and controlling the energy storage battery pack (17) to supply power to the load when the aluminum air battery power generation subsystem (3) stops generating power or the aluminum air battery power generation subsystem (3) does not meet the requirement that the load power is greatly changed within s-level to 3min before the mains supply is abnormal and the aluminum air battery power generation subsystem (3) is started;
the BMS battery management system (16) is used for monitoring the state of the energy storage battery pack (17) and sending the state to the power supply system energy management module (2).
10. The uninterrupted aluminum fuel power system based on the aluminum-air battery as recited in claim 9, wherein the charge and discharge control module (15) is a switch module comprising two controllable switch tubes, one of the controllable switch tubes is disposed between the commercial power output end and the energy storage battery pack (17), the other controllable switch tube is disposed between the energy storage battery pack (17) and the load, and the control ends of the two controllable switch tubes are electrically connected to different output ends of the power system energy management module (2); in the charging and discharging control module (15), a controllable switch tube arranged between the commercial power output end and the energy storage battery pack (17) is connected in series with an AC/DC conversion circuit of the commercial power detection and conversion module (1) for converting commercial power into direct current to charge the energy storage battery pack (17).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023236473.1U CN213959823U (en) | 2020-12-29 | 2020-12-29 | Uninterrupted aluminum fuel power supply system based on aluminum-air battery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023236473.1U CN213959823U (en) | 2020-12-29 | 2020-12-29 | Uninterrupted aluminum fuel power supply system based on aluminum-air battery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113858950A (en) * | 2021-10-13 | 2021-12-31 | 宁波烯铝新能源有限公司 | Intelligent complementary power supply system for motor caravan and control method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113858950A (en) * | 2021-10-13 | 2021-12-31 | 宁波烯铝新能源有限公司 | Intelligent complementary power supply system for motor caravan and control method thereof |
| CN113858950B (en) * | 2021-10-13 | 2023-10-31 | 宁波烯铝新能源有限公司 | Intelligent complementary power supply system of motor caravan and control method thereof |
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