CN114865738A - Car as a house energy storage battery intelligent management system - Google Patents

Car as a house energy storage battery intelligent management system Download PDF

Info

Publication number
CN114865738A
CN114865738A CN202210429520.9A CN202210429520A CN114865738A CN 114865738 A CN114865738 A CN 114865738A CN 202210429520 A CN202210429520 A CN 202210429520A CN 114865738 A CN114865738 A CN 114865738A
Authority
CN
China
Prior art keywords
module
battery
main
discharge
unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210429520.9A
Other languages
Chinese (zh)
Inventor
李振文
贤健军
李振威
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Smart Li Ion Energy Technology Co ltd
Original Assignee
Shenzhen Smart Li Ion Energy Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Smart Li Ion Energy Technology Co ltd filed Critical Shenzhen Smart Li Ion Energy Technology Co ltd
Priority to CN202210429520.9A priority Critical patent/CN114865738A/en
Publication of CN114865738A publication Critical patent/CN114865738A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
    • B60P3/32—Vehicles adapted to transport, to carry or to comprise special loads or objects comprising living accommodation for people, e.g. caravans, camping, or like vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
    • B60P3/32—Vehicles adapted to transport, to carry or to comprise special loads or objects comprising living accommodation for people, e.g. caravans, camping, or like vehicles
    • B60P3/36—Auxiliary arrangements; Arrangements of living accommodation; Details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
    • 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
    • H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • 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
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00304—Overcurrent protection
    • 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
    • H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect 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
    • H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
    • 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
    • H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M2010/4278—Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention discloses an intelligent management system for a caravan energy storage battery, which comprises a main control board control system and a battery pack consisting of a plurality of battery modules which are connected in parallel; each battery module comprises a battery cell and a collecting plate connected with the battery cell; the main control board control system comprises a main CAN communication module connected with each acquisition board, a charge-discharge control module connected with the negative electrode of each battery cell, a main 485 communication module connected with an external display screen, and a main MCU control module. The invention is based on the scheme that the main control board control system and the acquisition board are separated, solves the problems of heavy weight and assembly of a large-capacity battery by adopting a mode of connecting a plurality of battery modules in parallel, simultaneously meets the power consumption of electric equipment on a motor home by forming a battery whole in a mode of connecting a plurality of battery modules in parallel, is convenient for maintaining a subsequent battery pack, and improves the safety performance of a single large battery pack.

Description

Car as a house energy storage battery intelligent management system
Technical Field
The invention relates to an intelligent battery management system, in particular to an intelligent energy storage battery management system for a motor home.
Background
The tourism industry and domestic long-distance or short-distance travel in the current society are developed rapidly, domestic and foreign home travel or small-group travel are pursued by people more and more, so the motor home is favored by people more and more, and the motor home has a powerful development trend.
The large-capacity battery is directly assembled into a large-capacity and heavy battery which is assembled on the recreational vehicle and can be subjected to a plurality of problems in subsequent maintenance, particularly the problem of endless subsequent maintenance is solved, the capacity of the energy storage battery is only increased to meet the requirement of sufficient power consumption of electric equipment on the recreational vehicle, the energy is increased, the volume and the weight are inevitably increased, and therefore, the risk factor of the risk of the large-capacity battery is also increased along with the problem, and a plurality of safety risks exist except for the problems of the design engineer and the assembly of the large-capacity battery on the recreational vehicle.
Disclosure of Invention
The invention aims to provide an intelligent management system for a caravan energy storage battery, which is based on a scheme that a main control board control system and an acquisition board are separated, solves the problems of heavy weight and assembly of a large-capacity large battery by adopting a mode of connecting a plurality of battery modules in parallel, simultaneously meets the power consumption of electric equipment on the caravan by forming a battery whole in a mode of connecting a plurality of battery modules in parallel and combining the battery modules in parallel, is convenient for maintaining a subsequent battery pack, and improves the safety performance of a single large battery pack.
In order to realize the purpose, the following technical scheme is adopted:
an intelligent management system for a caravan energy storage battery comprises a main control board control system and a battery pack consisting of a plurality of battery modules which are connected in parallel; each battery module comprises a battery cell and a collecting plate connected with the battery cell; the master control board control system comprises a master CAN communication module connected with each acquisition board, a charge-discharge control module connected with the negative electrode of each battery cell, a master 485 communication module connected with an external display screen, and a master MCU control module respectively connected with the master CAN communication module, the charge-discharge control module and the master 485 communication module; the charging and discharging control module is also used for being connected with external electric equipment, and the external electric equipment is connected to the anode of the battery core; the master 485 communication module is also used for being connected with external electric equipment so as to carry out information interaction.
Furthermore, the main control board control system further comprises a short-circuit protection module connected with the charge-discharge control module, a main loop charge-discharge current detection module connected between the short-circuit protection module and the main MCU control module, a pre-discharge awakening module connected between the charge-discharge control module and the main MCU control module, and a main power supply voltage reduction management module for supplying power to the main control board control system.
Furthermore, the charge and discharge control module comprises a charge and discharge switch MOS tube driving unit, a charge and discharge MOS tube switching unit connected with the charge and discharge switch MOS tube driving unit, and a driving voltage detection unit connected between the charge and discharge switch MOS tube driving unit and the charge and discharge MOS tube switching unit.
Further, the main loop charging and discharging current detection module comprises a total voltage detection unit of the parallel battery and a main loop charging and discharging detection unit.
Furthermore, the pre-discharge awakening module comprises a pre-discharge MOS tube, a pre-discharge resistor, a pre-discharge MOS tube driving unit, a discharge current awakening unit and a pre-discharge resistor hardware protection unit.
Furthermore, the main control board control system further comprises a 4G expansion module, a charger detection module, a load detection module and a data storage module which are respectively connected with the main MCU control module.
Furthermore, the main control board control system further comprises a main temperature detection module, a main display module and an RTC calendar timing module which are respectively connected with the main MCU control module.
Furthermore, the acquisition board comprises an acquisition MCU control module, and an acquisition CAN communication module, an acquisition power supply voltage reduction management module, an opening and closing control module, an acquisition board temperature detection module and an AFE unit acquisition module which are respectively connected with the acquisition MCU control module; the switching control module is further connected with a circuit breaker, and the circuit breaker is further connected with the battery core.
Furthermore, the AFE unit acquisition module includes an AFE analog front end acquisition unit, and a cell single voltage acquisition unit, a driving cell differential pressure equalization unit, and a battery module loop current acquisition unit that are respectively connected with the AFE analog front end acquisition unit.
Further, the acquisition board temperature detection module comprises a charging and discharging MOS tube temperature detection unit and a battery core temperature detection unit.
By adopting the scheme, the invention has the beneficial effects that:
1) based on a main control board control system and an acquisition board separated scheme, the problems of heavy weight and assembly of a large-capacity battery are solved by adopting a mode of connecting a plurality of battery modules in parallel, meanwhile, the battery is integrally formed by connecting a plurality of battery modules in parallel, the power consumption of electric equipment on a motor home is also met, the maintenance of a subsequent battery pack can be facilitated, and the safety performance of a single large battery pack is improved;
2) when the battery pack is specifically arranged, a plurality of battery modules can be connected in parallel to form a large battery pack to be placed at the space position of the motor home, or the battery modules can be separately arranged at different space positions on the motor home and then connected in parallel, so that the utilization rate of the limited space position of the motor home can be improved;
3) the main control board controls the system to manage data operation and control, the acquisition board manages the cell data acquisition specially, the labor distribution specification, the labor distribution cooperation, the unified management and the strong coordination are realized, the timeliness and the control real-time performance of the data operation can be improved, and the safety performance of the whole management system is improved;
4) no semiconductor switch MOS tube device (which can generate certain conduction voltage drop due to the existence of the characteristics of electronic devices) exists in the charge-discharge current loop of the collecting plate, so that the problem of voltage difference between the battery modules after the battery modules are connected in parallel can be effectively solved.
Drawings
FIG. 1 is a schematic block diagram of the present invention;
FIG. 2 is a schematic block diagram of a master control board control system of the present invention;
FIG. 3 is a schematic block diagram of a charge and discharge control module, a pre-discharge wake-up module, and a main loop charge and discharge current detection module according to the present invention;
FIG. 4 is a schematic block diagram of the acquisition board of the present invention;
FIG. 5 is a circuit schematic of the master CAN communication module of the present invention;
FIG. 6 is a circuit schematic of the master 485 communication module of the present invention;
FIG. 7 is a schematic circuit diagram of the short circuit protection module of the present invention;
FIG. 8 is a schematic circuit diagram of the main loop charge-discharge current detection module according to the present invention;
FIG. 9 is a schematic circuit diagram of a pre-discharge wake-up module of the present invention;
FIG. 10 is a circuit schematic of the 4G expansion module of the present invention;
FIG. 11 is a schematic circuit diagram of the charger detection module of the present invention;
FIG. 12 is a circuit schematic of the load detection module of the present invention;
FIG. 13 is a circuit schematic of the data storage module of the present invention;
FIG. 14 is a schematic circuit diagram of the RTC calendar timing module of the present invention;
FIG. 15 is a schematic circuit diagram of a main display module according to the present invention;
wherein the figures identify the description:
1-main control board control system; 2-collecting plate.
Detailed Description
The invention is described in detail below with reference to the figures and the specific embodiments.
Referring to fig. 1 to 15, the invention provides an intelligent management system for a caravan energy storage battery, which comprises a main control board control system 1 and a battery pack consisting of a plurality of battery modules connected in parallel; each battery module comprises a battery cell and a collecting plate 2 connected with the battery cell; the main control board control system 1 comprises a main CAN communication module connected with each acquisition board 2, a charge-discharge control module connected with the negative electrode of each battery cell, a main 485 communication module connected with an external display screen, and a main MCU control module respectively connected with the main CAN communication module, the charge-discharge control module and the main 485 communication module; the charging and discharging control module is also used for being connected with external electric equipment, and the external electric equipment is connected to the anode of the battery core; the master 485 communication module is also used for being connected with external electric equipment so as to carry out information interaction.
The main control board control system 1 further comprises a short-circuit protection module connected with the charge-discharge control module, a main loop charge-discharge current detection module connected between the short-circuit protection module and the main MCU control module, a pre-discharge awakening module connected between the charge-discharge control module and the main MCU control module, and a main power supply voltage reduction management module for supplying power to the main control board control system 1; the charging and discharging control module comprises a charging and discharging switch MOS tube driving unit, a charging and discharging MOS tube switching unit connected with the charging and discharging switch MOS tube driving unit, and a driving voltage detection unit connected between the charging and discharging switch MOS tube driving unit and the charging and discharging MOS tube switching unit; the main loop charging and discharging current detection module comprises a parallel battery total pressure detection unit and a main loop charging and discharging detection unit; the pre-discharge awakening module comprises a pre-discharge MOS tube, a pre-discharge resistor, a pre-discharge MOS tube driving unit, a discharge current awakening unit and a pre-discharge resistor hardware protection unit.
The main control board control system 1 further comprises a 4G expansion module, a charger detection module, a load detection module and a data storage module which are respectively connected with the main MCU control module; the main control board control system 1 also comprises a main temperature detection module, a main display module and an RTC calendar timing module which are respectively connected with the main MCU control module; the acquisition board 2 comprises an acquisition MCU control module, and an acquisition CAN communication module, an acquisition power supply voltage reduction management module, an opening and closing control module, an acquisition board temperature detection module and an AFE unit acquisition module which are respectively connected with the acquisition MCU control module; the switching control module is also connected with a circuit breaker, and the circuit breaker is also connected with the battery cell; the AFE unit acquisition module comprises an AFE analog front end acquisition unit, and a cell monomer voltage acquisition unit, a driving cell differential pressure equalization unit and a battery module loop current acquisition unit which are respectively connected with the AFE analog front end acquisition unit; the acquisition board temperature detection module comprises a charge-discharge MOS tube temperature detection unit and a battery core temperature detection unit.
The working principle of the invention is as follows:
continuing to refer to fig. 1 to 15, in this embodiment, this system includes main control board control system 1 and acquisition board 2, can realize that a plurality of battery modules (single-packet battery is defined as the battery module) are parallelly connected and use, a big battery package is constituteed to a plurality of battery modules, battery module acquisition board 2 is through unifying the management with main control board control system 1, information is each other not interacted between battery module acquisition board 2, unify and is called by main control board control system 1, acquisition board 2 is responsible for the single section string voltage data acquisition of battery module, all parallelly connected battery module's acquisition board 2 data acquisition and operation are unified to be passed to by main control board control system 1 control management and operation, be convenient for centralized unified management.
For the main control board control system 1, in this embodiment:
the main power supply voltage reduction management module: the device comprises a surge voltage input suppression unit, a linear voltage reduction unit (comprising a first linear voltage stabilization unit, an overcurrent and short circuit protection unit and a second linear voltage stabilization unit), a Buck voltage reduction unit, a power supply switching unit and a third linear voltage stabilization unit;
master CAN communication module: the CAN communication power supply unit and the CAN communication unit are included;
the master 485 communication module: the device comprises a 485 isolation communication power supply unit, a 485 isolation communication unit and a UART communication unit;
wherein,
the main power supply voltage reduction management module: the main control board is used for connecting the voltage input of the battery pack B + and supplying power to modules required by the main control board control system 1 through voltage reduction and stabilization;
master CAN communication module: the battery module acquisition boards 2 are used for supplying power to the modules and communicating and interacting information with the main control board control system 1;
master 485 communication module: the module power supply and the external electric equipment are used for communication and interaction information;
the main MCU control module: the system is used for collecting information of each module and controlling the module to work, controls the nerve center of the whole system and is the brain of the whole system;
the charge and discharge control module: the charge and discharge MOS tube driving circuit is used for controlling the switching action of the charge and discharge MOS tube so as to switch on or switch off the current in the charge and discharge main loop, detecting the driving voltage health condition of the charge and discharge MOS tube and transmitting the detection result to the main MCU control module;
short-circuit protection module: when a positive and negative short circuit fault occurs outside the battery pack in parallel, the output end of the battery pack triggers the short circuit module to work, and the discharge MOS tube is turned off to close the output, so that the abnormal fault of the battery caused by the short circuit of the battery core is avoided, and the short circuit protection fault is transmitted to the main MCU control module;
a pre-discharge wake-up module: when the power supply battery is in a working state from an idle state, a discharging current needs to be provided to trigger the pre-discharging awakening module, and a detection result is transmitted to the main MCU control module to awaken the main control board control system 1 to work, so that a working instruction of opening a main loop discharging MOS tube is sent to the charging and discharging control module to execute opening of the discharging MOS tube for normal output;
the main loop charging and discharging current detection module: the system is used for detecting the current in the charge-discharge loop and the total voltage of the parallel batteries and transmitting the detection result to the main MCU control module;
the main temperature detection module: the system is used for detecting the working temperature of the charging and discharging MOS tube and transmitting the detection result to the main MCU control module;
a main display module: the LED display screen can display information such as residual electric quantity of the large battery pack after being packaged;
RTC calendar timing module: the system is used for timing calendar time of the system and transmitting timing time and date to the main MCU control module, and when the system detects that the battery module or the system module has faults, the real-time date and time can be acquired;
a data storage module: the system is used for storing fault information of the battery module or the system module detected by the system, and facilitating the retrieval and checking of the information at any time;
a load detection module: the system comprises a detection module, a power utilization module and a control module, wherein the detection module is used for detecting information of power utilization of system access electric equipment;
the charger detection module: the system charging device is used for detecting the information that the system is connected to the charger for charging;
4G expansion module: the system is used for the expansion 4G internet of things module to connect the battery information with the background server and the cloud.
For the acquisition plate 2, in this example:
gather power supply step-down management module: the device comprises a surge voltage input suppression unit, a Buck voltage reduction unit and a linear voltage stabilization unit;
collecting a CAN communication module: the system comprises a system awakening unit and a CAN communication unit;
wherein,
gather power supply step-down management module: the voltage-reducing and voltage-stabilizing circuit is used for connecting a voltage input of a battery module B + and supplying power to modules required by the acquisition board 2 through voltage-reducing and voltage-stabilizing processing;
collecting a CAN communication module: the main control board is used for supplying power to the module and communicating and interacting information with the main control board control system 1;
the acquisition MCU control module: the intelligent acquisition board is used for acquiring information of each module and controlling the module to work, is a nerve center of the whole acquisition board 2, is a brain of the acquisition board 2, and is an intersection point of the information of each module of the whole acquisition board 2 and the communication and interaction information of the main control board control system 1;
an AFE unit acquisition module: the system comprises a cell single body string voltage acquisition unit, a cell MCU control module, a cell differential pressure equalization unit and a cell module loop charging and discharging current acquisition unit, wherein the cell single body string voltage acquisition unit is used for acquiring cell single body string voltage of a cell module in real time and acquiring cell module loop charging and discharging current in real time, and transmitting acquired data to the acquisition MCU control module, or when the acquired cell single body string voltage exceeds a preset value, transmitting an equalization instruction to the driving cell differential pressure equalization unit for cell differential pressure equalization so as to make the cell single body string voltage of the cell module consistent;
acquisition board temperature detection module: the system comprises an acquisition MCU control module, a temperature sensor, a temperature and a temperature sensor, a temperature and a temperature sensor, a temperature and a temperature, a temperature and a temperature, a temperature and a real-sensing real-time temperature of a battery cell, a real-time temperature of a battery cell, a battery, a real-time temperature of a battery, a real-time temperature of a battery, a real-time temperature of a battery;
an opening and closing control module: and the MCU control module is used for acquiring an instruction sent by the MCU control module to the switching control module so as to disconnect a charging and discharging loop in the battery module through the circuit breaker and cut off the charging and discharging loop to forbid charging and discharging when the battery module is in an abnormal condition.
The result of each module collection in the collection board 2 is sent to collection MCU control module, and then send to the main MCU control module in the main control board control system 1 through gathering the CAN communication module by collection MCU control module and handle, each module execution in collection board 2 is sent to collection MCU control module by the main MCU control module in the main control board control system 1 through main CAN communication module, and then each module execution is sent out the instruction by collection MCU control module, the unified management of being convenient for.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An intelligent management system for a caravan energy storage battery is characterized by comprising a main control board control system and a battery pack consisting of a plurality of battery modules which are connected in parallel; each battery module comprises a battery cell and a collecting plate connected with the battery cell; the master control board control system comprises a master CAN communication module connected with each acquisition board, a charge-discharge control module connected with the negative electrode of each battery cell, a master 485 communication module connected with an external display screen, and a master MCU control module respectively connected with the master CAN communication module, the charge-discharge control module and the master 485 communication module; the charging and discharging control module is also used for being connected with external electric equipment, and the external electric equipment is connected to the positive electrode of the battery core; the master 485 communication module is also used for being connected with external electric equipment so as to carry out information interaction.
2. The intelligent management system for the energy storage battery of the caravan according to claim 1, wherein the main control panel control system further comprises a short-circuit protection module connected with the charge and discharge control module, a main loop charge and discharge current detection module connected between the short-circuit protection module and the main MCU control module, a pre-discharge wake-up module connected between the charge and discharge control module and the main MCU control module, and a main power supply voltage reduction management module for supplying power to the main control panel control system.
3. The intelligent management system for the energy storage battery of the caravan according to claim 2, wherein the charge and discharge control module comprises a charge and discharge switch MOS tube driving unit, a charge and discharge MOS tube switching unit connected with the charge and discharge switch MOS tube driving unit, and a driving voltage detection unit connected between the charge and discharge switch MOS tube driving unit and the charge and discharge MOS tube switching unit.
4. The intelligent management system for the energy storage battery of the caravan according to claim 2, wherein the main loop charging and discharging current detection module comprises a parallel battery total pressure detection unit and a main loop charging and discharging detection unit.
5. The intelligent management system for the energy storage battery of the caravan according to claim 2, wherein the pre-discharge awakening module comprises a pre-discharge MOS tube, a pre-discharge resistor, a pre-discharge MOS tube driving unit, a discharge current awakening unit and a pre-discharge resistor hardware protection unit.
6. The intelligent management system for the energy storage batteries of the caravan according to claim 1, wherein the main control board control system further comprises a 4G expansion module, a charger detection module, a load detection module and a data storage module which are respectively connected with the main MCU control module.
7. The intelligent management system for the energy storage battery of the caravan according to claim 6, wherein the main control board control system further comprises a main temperature detection module, a main display module and an RTC calendar timing module which are respectively connected with the main MCU control module.
8. The intelligent management system for the energy storage battery of the caravan according to claim 1, wherein the acquisition board comprises an acquisition MCU control module, and an acquisition CAN communication module, an acquisition power supply voltage reduction management module, an opening and closing control module, an acquisition board temperature detection module and an AFE unit acquisition module which are respectively connected with the acquisition MCU control module; the switching control module is further connected with a circuit breaker, and the circuit breaker is further connected with the battery cell.
9. The intelligent management system for the energy storage battery of the caravan according to claim 8, wherein the AFE unit acquisition module comprises an AFE analog front end acquisition unit, and a cell monomer voltage acquisition unit, a driving cell differential pressure equalization unit, and a battery module loop current acquisition unit which are respectively connected with the AFE analog front end acquisition unit.
10. The intelligent management system for the energy storage battery of the caravan according to claim 8, wherein the acquisition board temperature detection module comprises a charging and discharging MOS tube temperature detection unit and a cell temperature detection unit.
CN202210429520.9A 2022-04-22 2022-04-22 Car as a house energy storage battery intelligent management system Pending CN114865738A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210429520.9A CN114865738A (en) 2022-04-22 2022-04-22 Car as a house energy storage battery intelligent management system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210429520.9A CN114865738A (en) 2022-04-22 2022-04-22 Car as a house energy storage battery intelligent management system

Publications (1)

Publication Number Publication Date
CN114865738A true CN114865738A (en) 2022-08-05

Family

ID=82634105

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210429520.9A Pending CN114865738A (en) 2022-04-22 2022-04-22 Car as a house energy storage battery intelligent management system

Country Status (1)

Country Link
CN (1) CN114865738A (en)

Similar Documents

Publication Publication Date Title
CN102280912B (en) Equalization circuit of charge and discharge circuit of battery pack
CN202550664U (en) Direct current power supply system of non-floating charge type transformer substation based on lithium iron battery
CN203180603U (en) Microcomputer intelligent DC source system
CN209169323U (en) A kind of power battery pack intelligence BMS management system
CN112600264B (en) Control method and system of parallel battery packs, electronic equipment and vehicle
CN205945204U (en) Modular emergent guarantee power
CN109546242A (en) A kind of power battery pack intelligence BMS management system
CN112968503A (en) Multi-cluster parallel energy storage system applied to high-voltage direct-current equipment
CN204538792U (en) A kind of parallel power supply system and power module
CN216672645U (en) Lithium ion battery management system
CN214958763U (en) Multi-cluster parallel energy storage system applied to high-voltage direct-current equipment
CN202712352U (en) Intelligent combined lithium ion battery
CN205846859U (en) DC uninterrupted remote electric power system
CN211239354U (en) Main loop control circuit of energy storage equipment
CN205407350U (en) Lithium ion battery electric power and for communication DC power supply system
CN217508313U (en) Car as a house energy storage battery intelligent management system
CN114865738A (en) Car as a house energy storage battery intelligent management system
CN201234153Y (en) DC electric power cabinet controller
CN114552726A (en) New energy multi-source input low-voltage power distribution system supporting wireless communication
CN210323303U (en) Energy transfer type charging and discharging test system
CN106300632A (en) DC uninterrupted remote electric power system
CN201928077U (en) Multifunctional power supply for vehicle-mounted automotive electronic device
CN105751904A (en) Connection device for power battery and super-capacitor of electric vehicle
CN110718867A (en) Hybrid vehicle power battery and high-voltage distribution box's integrated device
CN218498838U (en) Low-voltage battery system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination