CN114013300A - Power supply system - Google Patents
Power supply system Download PDFInfo
- Publication number
- CN114013300A CN114013300A CN202111475857.5A CN202111475857A CN114013300A CN 114013300 A CN114013300 A CN 114013300A CN 202111475857 A CN202111475857 A CN 202111475857A CN 114013300 A CN114013300 A CN 114013300A
- Authority
- CN
- China
- Prior art keywords
- battery
- module
- power supply
- supply system
- voltage
- 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
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
- B60L58/14—Preventing excessive discharging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
- B60L58/15—Preventing overcharging
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a power supply system, wherein the hardware of the power supply system comprises a plurality of battery boxes, a high-voltage controller and a power change frame, the battery boxes are provided with a plurality of battery boxes, the number of the battery boxes is equal, the battery boxes are respectively arranged at two ends of the power change frame, a plurality of battery monomers are arranged in the battery boxes, the high-voltage controller is arranged in the middle of the power change frame and is connected with the battery boxes through connectors, and a lifting hook is arranged on the power change frame; the battery monomer is used as a charging power supply to carry out charging and discharging; and the high-voltage controller controls the power supply system and sends instructions through the current transformation module. The power supply system monitors and controls the power supply system in real time through the battery management module, so that the utilization rate and safety of the battery are improved, the use cost is reduced, and the service life of the battery is prolonged; is beneficial to the separation of vehicle electricity.
Description
Technical Field
The invention relates to the field of power supply systems, in particular to a power supply system.
Background
The electric agricultural machine generally has the characteristics of large working strength in short time and short overall working time due to seasonal operation scene limitation. The problems of large battery capacity, long charging time, large battery loss, low utilization rate, high use cost, difficult power system management, low safety and the like of the agricultural machinery are caused, so that the agricultural machinery is difficult to be electrically propelled.
Disclosure of Invention
The electric power system aims to solve a series of problems that power system management is difficult and safety is low in the background technology, so that the agricultural machinery is difficult to propel in an electric mode and the like. The invention discloses a power supply system, which can well monitor and control the power supply system.
In order to achieve the purpose, the technical scheme of the invention is as follows: the power supply system comprises hardware comprising a plurality of battery boxes, a high-voltage controller and a power change frame, wherein the battery boxes are arranged at two ends of the power change frame in an average number, a plurality of battery monomers are arranged in the battery boxes, the high-voltage controller is arranged in the middle of the power change frame and connected with the battery boxes through connectors, and a lifting hook is arranged on the power change frame;
the battery monomer is used as a charging power supply to carry out charging and discharging;
and the high-voltage controller controls the power supply system and sends instructions through the current transformation module.
In order to further supplement the technical scheme, a battery management module is arranged in the power supply system;
the battery management module is connected with the A/D conversion module, the A/D conversion module is connected with the data acquisition module, the battery management module is respectively connected with the overvoltage and overcurrent detection module, the communication module, the battery protection module and the alarm module, and the overvoltage and overcurrent detection module is connected with the contactor module;
the data acquisition module is used for measuring the charge-discharge voltage, the charge-discharge current and the temperature of the single battery and evaluating the state of charge, and tracking and detecting the working state of the single battery;
the A/D conversion module is used for performing data conversion on the voltage and current signals in the data acquisition module and transmitting the voltage and current signals to the battery management module;
the communication module is used for transmitting data and instructions between the upper computer and the battery management module;
the overvoltage and overcurrent detection module is used for detecting an overvoltage and overcurrent signal;
the contactor module is used for switching on and off between the power supply battery and the charger and between the power supply battery and the load;
the alarm module is used for receiving the abnormal working state that the battery management module monitors that the battery pack is over-charged and over-discharged or has high temperature and the like to alarm;
the battery protection module is used for performing overcurrent and overvoltage protection and on-off control on the power supply system.
In order to further supplement the technical scheme, the battery management module is also connected with an equalizing circuit, and the equalizing circuit transfers the energy of the battery monomer with the over-high voltage to the battery monomer with the lower voltage or discharges the battery monomer with the over-high voltage through a resistor;
in order to further supplement the technical scheme, the data acquisition module comprises a voltage detection circuit, a current detection circuit and a temperature detection circuit.
In order to further supplement the technical scheme, the voltage and the current of the battery cells are sampled in a polling mode.
In order to further supplement the technical scheme, the temperature of the battery monomer is collected by a patch type temperature sensor.
In order to further supplement the technical scheme, a locking mechanism is arranged on the battery box to close the battery box.
In order to further supplement the technical scheme, the power supply system control method comprises the following steps:
S1: starting a power supply system, entering a battery management module, and sending an acquisition instruction to a data acquisition module and an A/D conversion module by the battery management module;
S2: the data acquisition module measures the charge-discharge voltage, the charge-discharge current and the temperature of the single battery and evaluates the state of charge, tracks and detects the working state of the single battery, and transmits data back to the battery management module through the A/D conversion module;
S3: when the battery management module monitors the current voltage of each battery monomer, if the voltage of a certain battery monomer is overlarge, the equalization circuit performs discharge battery equalization processing;
S4: when the overvoltage and overcurrent detection module detects that the battery monomer has overvoltage and overcurrent, the on-off of the contactor module is controlled to realize overvoltage and overcurrent protection, and meanwhile, the battery management module transmits a signal to the alarm module to perform alarm processing;
S5: the battery protection module monitors the battery capacity of each battery monomer and the temperature of each battery monomer; and judging whether battery protection is needed or not according to the battery temperature information, if so, feeding back a signal to the contactor module, stopping supplying power to the load, and if not, feeding back the signal to the battery management module to store the real-time data.
In order to further supplement the technical scheme, the invention provides a vehicle which adopts the power supply system.
Advantageous effects of the invention
1. The battery management module monitors and controls the power supply system in real time, so that the utilization rate and safety of the battery are improved, and the use cost is reduced;
2. the battery is modularly designed, so that the vehicle-electricity separation is facilitated, and the purchase cost is reduced;
3. the standardized battery is beneficial to large-scale production, so that the production cost is reduced, and the reliability is enhanced.
Drawings
FIG. 1 is a schematic perspective view of a power system hardware configuration;
FIG. 2 is a front view of a power system hardware configuration;
FIG. 3 is a side cross-sectional view of a power system hardware configuration;
FIG. 4 is an enlarged cross-sectional view of the connector;
FIG. 5 is a schematic diagram of a power system module;
fig. 6 is a flowchart of a power system control method.
In the figure, 1, a battery box; 2. a high voltage controller; 3. a power change frame; 4. a locking mechanism; 5. a connector is provided.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-4, the hardware of the power supply system includes a battery box 1 for storing single batteries, a high voltage controller 2 for controlling and sending instructions to the power supply system, and a battery replacing frame 3 for installing the power supply system, the battery box is provided with a plurality of batteries, the batteries are respectively arranged at two ends of the battery replacing frame 3 in an average number, the battery box 1 is internally provided with a plurality of single batteries, the high voltage controller 2 is arranged at the middle position of the battery replacing frame 3 and connected with the battery box 1 through a connector 5, and the battery box 1 is provided with a locking mechanism 4 for closing the battery box 1. The power conversion frame 3 is provided with a lifting hook, and the high-voltage controller controls the power supply system and sends instructions through the power conversion module. The power supply system may be used for a vehicle.
As shown in fig. 5, a battery management module is arranged inside the power supply system; the battery management module is connected with the A/D conversion module, the A/D conversion module is connected with the data acquisition module, the battery management module is respectively connected with the overvoltage and overcurrent detection module, the communication module, the battery protection module, the alarm module and the equalization circuit, and the overvoltage and overcurrent detection module is connected with the contactor module; the data acquisition module comprises a voltage detection circuit, a current detection circuit and a temperature detection circuit, and is used for accurately measuring the charging and discharging voltage and the charging and discharging current of the single battery and the temperature of the surface-mounted temperature sensor and evaluating the state of charge of the single battery in a polling mode, and tracking and detecting the working state of the single battery; the A/D conversion module is used for performing data conversion on the voltage and current signals in the data acquisition module and transmitting the voltage and current signals to the battery management module; the communication module is used for transmitting data and instructions between the upper computer and the battery management module; the overvoltage and overcurrent detection module is used for detecting an overvoltage and overcurrent signal and controlling the on-off of the contactor module to realize overvoltage and overcurrent protection; the contactor module is used for switching on and off between the power supply battery and the charger and between the power supply battery and the load; the alarm module is used for receiving the abnormal working state that the battery management module monitors that the battery pack is over-charged, over-discharged or over-temperature and the like and alarming in a mode of sound or light flashing and the like; the equalizing circuit transfers the energy of the battery monomer with the overhigh voltage to the whole power supply system or the battery monomer with the lower voltage, charges the whole power supply system or the battery monomer with the lower voltage and discharges the battery monomer with the overhigh voltage through the resistor. The battery protection module is used for performing overcurrent and overvoltage protection and on-off control on the power supply system.
As shown in fig. 6, the power supply system control method includes the steps of:
S1: starting a power supply system, entering a battery management module, sending an acquisition instruction to a data acquisition module and an A/D conversion module by the battery management module, and simultaneously awakening other modules;
S2: the data acquisition module carries out accurate measurement and state of charge evaluation to battery monomer charge-discharge voltage, charge-discharge current and temperature, and the acquisition cycle of voltage and current is T ═ TADmAD(N+1)+TM,T is the sampling period of voltage and current, mADFor the number of sampling times, N is the number of single batteries, TMThe working state of the single battery is tracked and detected as the conversion time of the voltage and the current, and the data is transmitted and transmitted back to the battery management module through the A/D conversion module;
S3: as battery management module monitoringThe current voltage of each battery monomer, if the voltage of a certain battery monomer is overlarge, the equalizing circuit performs discharging battery equalization processing; automatically shunting the capacity of the battery with the voltage higher than the average voltage to the battery with the voltage lower than the average voltage through the control of a digital circuit; meanwhile, a certain battery can be independently charged and discharged, other batteries in the battery pack are not affected, battery equalization can be automatically carried out by monitoring the current condition of the battery, battery equalization can also be manually set, and in the battery equalization process, the battery management module monitors the current states of all the batteries in real time and displays the states on the screen display module;
S4: when the overvoltage and overcurrent detection module detects that the battery monomer has overvoltage and overcurrent, the on-off of the contactor module is controlled to realize overvoltage and overcurrent protection, and meanwhile, the alarm module carries out alarm processing; the sound alarm frequency is consistent with the light flicker alarm frequency of the LED flash lamp;
S5: the battery protection module monitors the battery capacity of each battery monomer and the temperature of each battery monomer; and judging whether the battery protection is needed or not according to the battery temperature information. And if the protection is needed, feeding the signal back to the contactor module, stopping supplying power to the load, and if the protection is not needed, feeding the signal back to the battery management module to store the real-time data.
While embodiments of the invention have been disclosed above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in a variety of fields of endeavor to which this invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (9)
1. The power supply system is characterized in that hardware of the power supply system comprises a plurality of battery boxes, a high-voltage controller and a power change frame, the battery boxes are arranged at two ends of the power change frame in an average number, a plurality of battery monomers are arranged in the battery boxes, the high-voltage controller is arranged in the middle of the power change frame and connected with the battery boxes through connectors, and a lifting hook is arranged on the power change frame;
the battery monomer is used as a charging power supply to carry out charging and discharging;
and the high-voltage controller controls the power supply system and sends instructions through the current transformation module.
2. The power system of claim 1, wherein a battery management module is disposed within the power system;
the battery management module is connected with the A/D conversion module, the A/D conversion module is connected with the data acquisition module, the battery management module is respectively connected with the overvoltage and overcurrent detection module, the communication module, the battery protection module and the alarm module, and the overvoltage and overcurrent detection module is connected with the contactor module;
the data acquisition module is used for measuring the charge-discharge voltage, the charge-discharge current and the temperature of the single battery and evaluating the state of charge, and tracking and detecting the working state of the single battery;
the A/D conversion module is used for performing data conversion on the voltage and current signals in the data acquisition module and transmitting the voltage and current signals to the battery management module;
the communication module is used for transmitting data and instructions between the upper computer and the battery management module;
the overvoltage and overcurrent detection module is used for detecting an overvoltage and overcurrent signal;
the contactor module is used for switching on and off between the power supply battery and the charger and between the power supply battery and the load;
the alarm module is used for receiving the abnormal working state that the battery management module monitors that the battery pack is over-charged and over-discharged or has high temperature and the like to alarm;
the battery protection module is used for performing overcurrent and overvoltage protection and on-off control on the power supply system.
3. The power system of claim 2, wherein the battery management module is further connected to an equalizing circuit, and the equalizing circuit transfers energy of the cell with the excessive voltage to a cell with a lower voltage or discharges the cell with the excessive voltage through a resistor.
4. The power system of claim 2, wherein the data acquisition module comprises a voltage detection circuit, a current detection circuit, and a temperature detection circuit.
5. The power supply system of claim 1, wherein the voltage and current of the battery cells are sampled by polling.
6. The power supply system of claim 1, wherein the temperature of the battery cell is collected by a patch temperature sensor.
7. The power supply system as claimed in claim 1, wherein a locking mechanism is provided on the battery box to close the battery box.
8. The power supply system as claimed in claim 1, wherein the power supply system control method comprises the steps of:
S1: starting a power supply system, entering a battery management module, and sending an acquisition instruction to a data acquisition module and an A/D conversion module by the battery management module;
S2: the data acquisition module measures the charge-discharge voltage, the charge-discharge current and the temperature of the single battery and evaluates the state of charge, tracks and detects the working state of the single battery, and transmits data back to the battery management module through the A/D conversion module;
S3: when the battery management module monitors the current voltage of each battery monomer, if the voltage of a certain battery monomer is overlarge, the equalization circuit performs discharge battery equalization processing;
S4: when the overvoltage and overcurrent detection module detects that the battery monomer has overvoltage and overcurrent, the on-off of the contactor module is controlled to realize overvoltage and overcurrent protection, and meanwhile, overvoltage and overcurrent protection is realizedThe battery management module transmits the signal to the alarm module for alarm processing;
S5: the battery protection module monitors the battery capacity of each battery monomer and the temperature of each battery monomer; and judging whether battery protection is needed or not according to the battery temperature information, if so, feeding back a signal to the contactor module, stopping supplying power to the load, and if not, feeding back the signal to the battery management module to store the real-time data.
9. A vehicle characterized by employing the power supply system of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111475857.5A CN114013300A (en) | 2021-12-06 | 2021-12-06 | Power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111475857.5A CN114013300A (en) | 2021-12-06 | 2021-12-06 | Power supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114013300A true CN114013300A (en) | 2022-02-08 |
Family
ID=80068060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111475857.5A Pending CN114013300A (en) | 2021-12-06 | 2021-12-06 | Power supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114013300A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103683339A (en) * | 2012-08-31 | 2014-03-26 | 沈阳华鼎能源技术有限公司 | Vanadium battery management system |
| CN104052087A (en) * | 2013-03-13 | 2014-09-17 | 中国科学院沈阳自动化研究所 | Intelligent lithium ion battery management system for electric vehicle and balance control method thereof |
| CN105356528A (en) * | 2015-10-19 | 2016-02-24 | 国网河南省电力公司电力科学研究院 | Battery management system |
| CN206041528U (en) * | 2016-06-20 | 2017-03-22 | 江苏瀚海芯云网络科技有限公司 | Balanced battery management system of initiative |
| CN206317680U (en) * | 2016-12-26 | 2017-07-11 | 山东科技大学 | A kind of battery for electric vehicle case |
| CN112208334A (en) * | 2020-10-29 | 2021-01-12 | 南通亚泰工程技术有限公司 | Intelligent management system for new energy electric battery |
-
2021
- 2021-12-06 CN CN202111475857.5A patent/CN114013300A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103683339A (en) * | 2012-08-31 | 2014-03-26 | 沈阳华鼎能源技术有限公司 | Vanadium battery management system |
| CN104052087A (en) * | 2013-03-13 | 2014-09-17 | 中国科学院沈阳自动化研究所 | Intelligent lithium ion battery management system for electric vehicle and balance control method thereof |
| CN105356528A (en) * | 2015-10-19 | 2016-02-24 | 国网河南省电力公司电力科学研究院 | Battery management system |
| CN206041528U (en) * | 2016-06-20 | 2017-03-22 | 江苏瀚海芯云网络科技有限公司 | Balanced battery management system of initiative |
| CN206317680U (en) * | 2016-12-26 | 2017-07-11 | 山东科技大学 | A kind of battery for electric vehicle case |
| CN112208334A (en) * | 2020-10-29 | 2021-01-12 | 南通亚泰工程技术有限公司 | Intelligent management system for new energy electric battery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103311965B (en) | Batteries in parallel connection group discharge and recharge intelligent management apapratus and method | |
| CN105186610A (en) | Battery management system and method based on wireless sensor network communication | |
| CN107219467B (en) | Transformer substation storage battery nuclear capacity device with sulfur removal and repair functions and method | |
| CN106450517B (en) | battery module combination system | |
| CN202633996U (en) | Intelligent management monitoring system of lithium battery pack | |
| CN202455122U (en) | Device for intelligently managing charge-discharge of battery group in parallel | |
| CN111224417A (en) | Energy storage battery management system based on monitoring sampling module active control | |
| CN102842945A (en) | Intelligent charger for storage battery | |
| CN215498350U (en) | BMS control system of energy storage system | |
| CN103915875A (en) | Lithium battery charging and discharging control system for novel solar street lamp | |
| CN204538792U (en) | A kind of parallel power supply system and power module | |
| CN216709038U (en) | Power supply system and vehicle | |
| CN114013300A (en) | Power supply system | |
| CN217545611U (en) | Safe and efficient battery energy storage system based on small battery pack array | |
| CN216599052U (en) | Mining explosion-proof electric locomotive lead-acid batteries power supply box with charge-discharge management function | |
| CN113541290A (en) | Energy-saving photovoltaic power generation system | |
| CN205509480U (en) | Lithium cell protecting device | |
| CN202159997U (en) | Lithium battery system | |
| CN104113090A (en) | Storage battery pack energy monitoring system | |
| CN106877456B (en) | Electric vehicle power supply system | |
| CN218215432U (en) | Lithium iron phosphate battery system for communication base station | |
| CN102931692A (en) | Mining nickel-metal hydride battery system | |
| CN218276100U (en) | Battery equalization system | |
| CN205070557U (en) | Elevator power of talkbacking | |
| CN202503353U (en) | Monitoring device of battery management system (BMS) |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220208 |
|
| RJ01 | Rejection of invention patent application after publication |