CN217508313U - Car as a house energy storage battery intelligent management system - Google Patents
Car as a house energy storage battery intelligent management system Download PDFInfo
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- CN217508313U CN217508313U CN202220950961.9U CN202220950961U CN217508313U CN 217508313 U CN217508313 U CN 217508313U CN 202220950961 U CN202220950961 U CN 202220950961U CN 217508313 U CN217508313 U CN 217508313U
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Abstract
The utility model discloses an intelligent management system for energy storage batteries of motor homes, 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 master 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 utility model discloses based on main control board control system and collection board disconnect-type scheme to adopt the parallelly connected mode of a plurality of battery modules to solve the heavy and equipment problem of the big battery of large capacity, simultaneously, constitute a battery through the parallelly connected compound mode of a plurality of battery modules and wholly also satisfied consumer's on the car as a house power consumption, and can be convenient for to the maintenance of follow-up group battery, improved the security performance of single big battery package.
Description
Technical Field
The utility model relates to a battery intelligent management system especially relates to a car as a house energy storage battery intelligent management system.
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 caravan energy storage battery also becomes one of a plurality of factors of the design and assembly difficulty of the caravan, if the energy storage battery needs a large enough battery to release energy, the large size and the heavy weight of the battery become a great problem for a design engineer of the caravan, the large capacity battery is directly assembled into a large battery, a plurality of problems can be caused in the assembly on the caravan and the subsequent maintenance, particularly the problem in the subsequent maintenance is endless, the problem is caused, the capacity of the energy storage battery is increased only if the power consumption of the electric equipment on the caravan is enough, the energy is increased, the volume and the weight are inevitably increased, therefore, the risk factor of the risk of the battery is also increased along with the problems of the design engineer and the assembly of the large battery on the caravan, and some safety risks exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a car as a house energy storage battery intelligent management system, this system is based on main control board control system and collection board disconnect-type scheme to adopt the parallelly connected mode of a plurality of battery module to solve the heavy and equipment problem of the big battery of large capacity, and simultaneously, constitute a battery through the parallelly connected compound mode of a plurality of battery modules and wholly also satisfied the power consumption of consumer on the car as a house, and can be convenient for to the maintenance of follow-up group battery, improved the security performance of single big battery package.
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 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.
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.
Adopt above-mentioned scheme, the beneficial effects of the utility model are 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 the control system of the main control board of the present invention;
fig. 3 is a schematic block diagram of the charge and discharge control module, the pre-discharge wake-up module, and the main loop charge and discharge current detection module of the present invention;
fig. 4 is a schematic block diagram of the collecting plate of the present invention;
fig. 5 is a schematic circuit diagram of the main CAN communication module of the present invention;
fig. 6 is a schematic circuit diagram of the main 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 circuit charge-discharge current detection module of the present invention;
fig. 9 is a schematic circuit diagram of the pre-discharge wake-up module of the present invention;
fig. 10 is a schematic circuit diagram 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 schematic circuit diagram of the load detection module of the present invention;
fig. 13 is a schematic circuit diagram of a data storage module according to 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 the main display module of the present invention;
wherein the figures identify the description:
1-main control board control system; 2-collecting plate.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 15, the utility model provides an intelligent management system for energy storage batteries of caravans, 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 charge-discharge current detection module comprises a parallel battery total pressure detection unit and a main loop charge-discharge 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 utility model discloses theory of operation:
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;
wherein, the first and the second end of the pipe are connected with each other,
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;
main 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;
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 the external short circuit fault of the positive electrode and the negative electrode occurs, the output end of the parallel battery pack triggers the short circuit module to work, and the discharging 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 pressure 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 the content of the first and second substances,
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 exchanging 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 results collected by all the modules in the collection board 2 are sent to the collection MCU control module, then the collection MCU control module sends the results to the main MCU control module in the main control board control system 1 through the collection CAN communication module for processing, all the modules in the collection board 2 execute the results, the results are sent to the collection MCU control module through the main CAN communication module in the main control board control system 1, then the collection MCU control module sends instructions to all the modules for execution, and unified management is facilitated.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the 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 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 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.
2. 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 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 wake-up 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.
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 core.
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220950961.9U CN217508313U (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 |
|---|---|---|---|
| CN202220950961.9U CN217508313U (en) | 2022-04-22 | 2022-04-22 | Car as a house energy storage battery intelligent management system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217508313U true CN217508313U (en) | 2022-09-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220950961.9U Active CN217508313U (en) | 2022-04-22 | 2022-04-22 | Car as a house energy storage battery intelligent management system |
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| Country | Link |
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| CN (1) | CN217508313U (en) |
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- 2022-04-22 CN CN202220950961.9U patent/CN217508313U/en active Active
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