CN113131016A - Charging and discharging battery - Google Patents

Charging and discharging battery Download PDF

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Publication number
CN113131016A
CN113131016A CN202110293350.1A CN202110293350A CN113131016A CN 113131016 A CN113131016 A CN 113131016A CN 202110293350 A CN202110293350 A CN 202110293350A CN 113131016 A CN113131016 A CN 113131016A
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CN
China
Prior art keywords
discharge
battery
charging
charge
discharging
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Withdrawn
Application number
CN202110293350.1A
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Chinese (zh)
Inventor
杨新新
叶剑
汪敏
周刚
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Hangzhou Lead Lithium Zhixing Technology Co ltd
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Hangzhou Lead Lithium Zhixing Technology Co ltd
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Publication of CN113131016A publication Critical patent/CN113131016A/en
Withdrawn legal-status Critical Current

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • H02J7/00036—Charger exchanging data with battery
    • 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
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/14—Conductive energy transfer
    • B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
    • 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
    • H01M10/44—Methods for charging or discharging
    • 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
    • H02J7/00302—Overcharge 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
    • H02J7/0047—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
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
    • 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
    • B60L2200/00—Type of vehicles
    • B60L2200/12—Bikes
    • 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
    • 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
    • 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
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • 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
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations
    • 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
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles
    • 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
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles

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)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Secondary Cells (AREA)

Abstract

The invention relates to a charging and discharging battery which is characterized by comprising a storage unit and a wireless transmitting module connected with the storage unit, wherein the storage unit is used for storing information of the charging and discharging battery, and the wireless transmitting module is used for transmitting the information of the charging and discharging battery. The charging and discharging battery can realize safe data interaction and has a simple structure.

Description

Charging and discharging battery
Technical Field
The present invention relates to the field of batteries.
Background
When the charge and discharge battery used by the conventional electric vehicle communicates with the outside, the charge and discharge battery is basically connected with the outside through a wire, so that on one hand, the data line is damaged to influence the safety of data communication, and on the other hand, when the charge and discharge battery needs to communicate with a plurality of external devices at the same time, the complexity of a circuit and the increase of cost are brought.
Disclosure of Invention
In order to solve the technical problem, the present invention provides a charging and discharging battery, which is characterized by comprising a storage unit and a wireless transmission module connected to the storage unit, wherein the storage unit is used for storing information of the charging and discharging battery, and the wireless transmission module is used for transmitting the information of the charging and discharging battery.
Further, the information of the charge and discharge battery is the discharge amount information of the charge and discharge battery.
Further, the charging and discharging battery at least comprises a first continuous discharging time period and a second continuous discharging time period when discharging, the central processing unit calculates a first continuous discharging amount and replaces the stored value in the storage unit with the first continuous discharging amount, the central processing unit calculates a second continuous discharging amount and replaces the discharging amount information in the storage unit with a summation value obtained by summing the first continuous discharging amount and the second continuous discharging amount.
Further, the storage unit is used for storing the sum information of all discharge amounts between the last two times of charging of the charging and discharging battery.
Further, the storage unit is a readable and writable storage unit.
Further, the wireless transmitting module transmits the information of the charging and discharging battery to an external power supply and a load.
Further, the wireless transmitting module is a bluetooth transmitting module.
The charging and discharging battery can realize safe data interaction and has a simple structure.
Drawings
Fig. 1 is a schematic view of a charging system for an electric vehicle in which a charging and discharging battery according to the present invention is applied;
FIG. 2 is a block diagram of the charging and discharging battery of the present invention applied to a charging system of an electric vehicle;
FIG. 3 is a flow chart of the operation of applying the charging and discharging battery of the present invention to a charging system of an electric vehicle;
fig. 4 is a flowchart illustrating the operation of an electric vehicle to which the charge and discharge battery of the present invention is applied.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments.
As shown in fig. 1, a schematic diagram of a charging system for an electric vehicle according to the present invention includes an electric vehicle 1, a charging battery 2 installed on the electric vehicle, the charging battery 2 being used for supplying power to the electric vehicle 1, and a charger 7 for charging the charging battery 2. The charge and discharge battery 2 and the charger 7 constitute a charging system of the present invention.
As shown in fig. 2, the charge and discharge battery 2 includes a storage unit 3, a central processing unit 4, and a current detection unit 5, the current detection unit 5 and the storage unit 3 are electrically connected to the central processing unit 4, respectively, and the current detection unit 5 may detect a discharge current of the charge and discharge battery 2 when the charge and discharge battery 2 is electrically communicated with the electric vehicle 1 and discharged. When the charge/discharge battery 2 is discharged, the central processing unit 4 performs a current-time integration operation on the discharge current and the discharge time of the charge/discharge battery 2 to obtain a current-time integration operation value, i.e., a discharge amount, and stores current-time integration operation value information, i.e., discharge amount information, in the storage unit 3. When the charging/discharging battery 2 is discharged, it may also be discharged at intervals, for example, after the electric vehicle 1 is charged, the electric vehicle 1 stops after beginning to ride for a period of time, and then rides for a period of time, at this time, the charging/discharging battery 2 at least includes a first continuous discharging time period, i.e., first riding, and a second continuous discharging time period, i.e., second riding, when discharging, the central processing unit 4 calculates a continuous discharging current time integral value of the first continuous discharging time period, i.e., a first continuous discharging amount, and stores continuous discharging current time integral value information of the first continuous discharging time period in the storage unit 3, in a storage manner, for example: replacing the current discharge amount information in the storage unit 3, stopping for a period of time, and then riding for a period of time, that is, a second continuous discharge time period, at this time, the central processing unit 4 calculates a continuous discharge current time integral value of the second continuous discharge time period, that is, a second continuous discharge amount, and stores the sum value information obtained by summing the first continuous discharge amount and the second continuous discharge amount in the storage unit 3, in a manner such as: the discharged amount information in the current storage unit 3 is replaced, and the discharged amount information replaced at this time is the first continuous discharged amount information. The storage unit 3 is used for storing the sum of the integral operation values of all discharge current and discharge time between the last two times of charging of the charge-discharge battery, namely, after the charge-discharge battery 2 is charged, the charge-discharge amount information in the storage unit 3 can start to be stored again and accumulated for storage, and the charge-discharge amount information in the storage unit 3 can start to be stored again and accumulated for storage until the next time of charging and discharging, so that the process is repeated. The discharge capacity of the charging and discharging battery can be obtained by simply multiplying the discharge current by the unit time in 1 second or other suitable time units and then summing the product except for integrating the discharge current and the discharge time.
The central processing unit 4 and the current detection unit 5 of the charge and discharge battery 2 of the charging system of the present invention may be disposed on the electric vehicle 1, and when the charge and discharge battery 2 is electrically connected to the electric vehicle 1, the central processing unit 4 and the current detection unit 5 on the electric vehicle 1 are configured to store a current-time integral calculation value, i.e., a discharge amount, obtained by performing a current-time integral calculation on a discharge current and a discharge time of the charge and discharge battery in the storage unit 3 of the charge and discharge battery 2.
The storage unit 3 of the charge and discharge battery 2 further comprises an information communication port 6, the charger 7 comprises a central processing unit 7a, when the charge and discharge battery 2 is electrically communicated with the charger 7, the central processing unit 7a of the charger 7 is in communication connection with the information communication port 6 and can acquire current time integral operation value information, namely discharge amount information, stored in the storage unit 3 of the charge and discharge battery 2. The charger also comprises an electric quantity display unit 8, and the central processing unit 7a controls the electric quantity display unit 8 according to the discharge quantity information in the storage unit 3 and displays the current residual electric quantity of the current charging and discharging battery 2. The cpu 7a of the charger 7 may also control the charging unit 9 of the charger 7 to charge the charging/discharging battery 2 in a corresponding charging mode according to the information of the discharge amount in the storage unit 3, that is, the charger 7 may charge the charging/discharging battery 2 with the same discharge amount as the charging/discharging battery 2, or may charge the charging/discharging battery 2 with an electric amount 1.05 times the discharge amount of the charging/discharging battery 2 as required. The communication connection between the cpu 7a of the charger 7 and the information communication port 6 of the storage unit 3 may be via an interface, or via a wireless connection such as bluetooth, as long as information communication is achieved.
The electric vehicle 1 includes a central processing unit 1a, and when the charging and discharging battery 2 is in electrical communication with the electric vehicle 1, the central processing unit 1a of the electric vehicle 1 may be in wired or wireless communication connection with the information communication port 6 and may acquire discharging amount information, i.e., current time integral operation value information, stored in the storage unit 3 of the charging and discharging battery 2. The electric vehicle 1 further comprises a motor, an electric quantity alarm unit or an electric quantity display unit, the central processing unit 1a is used for controlling the motor and the electric quantity display unit, and the central processing unit 1a controls the electric quantity display unit or the electric quantity alarm unit according to the obtained discharge quantity information in the storage unit 3, so that the electric quantity of the current battery of a rider is prompted. Similarly, the communication connection between the central processing unit 1a of the electric vehicle 1 and the information communication port 6 of the storage unit 3 may be via an interface, or may be via a wireless connection such as bluetooth, as long as information communication is achieved.
When the central processing unit 4 of the charge and discharge battery 2 is arranged on the electric vehicle 1, the central processing unit and the central processing unit 1a on the electric vehicle 1 can be integrated, namely, the central processing unit arranged on the electric vehicle 1 can be used for calculating and storing the discharge capacity of the charge and discharge battery 2, namely, the discharge current time of the charge and discharge battery 2 is subjected to integral operation and storage, and the discharge capacity information in the storage unit 3 of the charge and discharge battery 2 can also be obtained, so that the production cost of the whole electric vehicle system can be reduced.
The period between the last two times of charging of the charge/discharge battery of the present invention means the period between the last two times of charging of the charge/discharge battery by the charger 7 of the present invention. The discharging amount of the charging and discharging battery is preferably the actual discharging amount, the electric vehicle can be intermittently and instantly charged in the riding process, namely, the electric quantity is not charged through an external charger, such as the situations of braking and the like, the actual discharging amount can be stored in the first continuous discharging amount, the actual discharging amount is the discharging amount of the charging and discharging battery in the time period minus the charging amount of the time period, although the value of the charging amount is small, the actual discharging amount of the battery can be more accurately calculated, so that more accurate man-machine interaction and charging effects are achieved, and the purpose of the invention is not influenced even if the charging amount is ignored. In addition, the arrangement of the storage unit 3 of the present invention on the charge-discharge battery 2 may include the following modes: for example, the storage unit 3 is disposed on the housing of the charge and discharge battery 2 and the upper cover of the charge and discharge battery 2, if the charge and discharge battery 2 is a set of batteries connected in series, the storage unit 3 may be disposed on the charge and discharge battery 2 in a manner of being between the charge and discharge batteries connected in series, and in this case, it is preferable to dispose 1 storage unit 3.
In addition, the information communication port 6 of the invention is a wireless transmitting module, the storage unit 3 of the invention is connected with the wireless transmitting module through information communication, the wireless transmitting module is used for transmitting the information of the charging and discharging battery, more degrees of freedom can be brought to the installation position of the storage unit, the data communication is convenient and fast, the problem of damage of a wired connection data line can be avoided, the safety of the data communication is improved, and at the moment, the storage unit 3 information can also store other information of the charging and discharging battery. The wireless transmitting module has more obvious effect particularly when the charging and discharging battery needs to communicate with a plurality of peripheral devices, can greatly reduce the complexity of circuits and improve the safety, for example, the wireless transmitting module needs to communicate with peripheral devices such as an electric vehicle, a charger and the like. In addition, wireless transmission is particularly needed for the discharge capacity information, so that the requirement that peripheral equipment such as an electric vehicle calls the discharge capacity information at any time can be met, and the accuracy of man-machine interaction of the electric vehicle is improved.
As another implementation method of the present invention, the storage unit 3 is disposed on the charging/discharging battery 2, or disposed on the electric vehicle 1, and the central processing unit for calculating the discharging amount of the charging/discharging battery 2 may be disposed on the charging/discharging battery 2, or disposed on the electric vehicle 1, and if disposed on the electric vehicle 1, the central processing unit for calculating the discharging amount of the charging/discharging battery 2 may be configured to read the discharging amount information in the storage unit 3 and control the electric quantity display unit or the electric quantity alarm unit of the electric vehicle 1, or configured to control the motor of the electric vehicle 1, and may also accurately prompt the user to perform charging, so as to achieve a good man-machine interaction function and reduce the cost of the central processing unit of the whole electric vehicle system. When the charger charges the charging and discharging battery 2, the charging and discharging battery 2 can be electrically connected with the electric vehicle, namely the discharging amount information in the storage unit 3 arranged on the electric vehicle 1 can be read in a wired mode, the charger can also realize information communication with the storage unit 3 in a wireless mode, the discharging amount information in the storage unit 3 arranged on the electric vehicle 1 can be read, the charging is carried out according to the discharging amount information, and the service life of the charging and discharging battery can be ensured as well. Of course, the charger may perform other functions such as displaying the amount of electricity based on the discharge amount information.
The storage unit 3 of the present invention may preferably store the discharge amount information even when power is off.
As shown in fig. 3, the present invention also provides a charging method of an electric vehicle charging system, including the steps of: when the electric vehicle 1 starts to discharge, the charge and discharge battery 2 is connected with the electric vehicle 1, the central processing unit calculates the discharge amount information of the charge and discharge battery 2, the storage unit 3 on the electric vehicle 1 or the charge and discharge battery 2 stores the discharge amount information of the charge and discharge battery 2, and the charger 7 charges the charge and discharge battery 2 according to the discharge amount information in the storage unit 3 on the electric vehicle 1 or the charge and discharge battery 2. When the charge/discharge battery 2 is discharged a plurality of times at intervals, the storage unit 3 stores information on the sum of the plurality of times of discharge of the charge/discharge battery 2, and the charger 7 charges the charge/discharge battery 2 with the information on the sum of the plurality of times of discharge in the storage unit 3 on the charge/discharge battery 2.
As shown in fig. 4, the present invention also provides a working method of an electric vehicle, including that a charging and discharging battery 2 is connected with an electric vehicle 1 and starts to discharge, a central processing unit calculates the discharging amount information of the charging and discharging battery 2, a storage unit 3 on the electric vehicle 1 or the charging and discharging battery 2 stores the discharging amount information of the charging and discharging battery 2, and the electric vehicle 1 controls an electric quantity display unit or an electric quantity alarm unit of the electric vehicle 1 according to the discharging amount information in the storage unit 3.
The invention also provides a charging method of a charging system, wherein the charging system comprises a charger and a charging and discharging battery, and the charging method comprises the following steps: the charger is electrically communicated with the charge and discharge battery, reads the discharge amount information in the memory of the charge and discharge battery, and charges the charge and discharge battery according to the discharge amount information in the storage unit on the charge and discharge battery. Charging is carried out according to the discharge amount information of the charge and discharge battery 2, so that overshoot or undershoot of the charger can be avoided, and the service life of the charge and discharge battery is ensured.
According to the invention, the storage unit 3 is arranged on the charging and discharging battery 2 and used for storing the discharging amount information of the charging and discharging battery 2, so that on one hand, the cost of the storage unit of the whole charging system of the charging battery is saved, namely when the electric vehicle and the charger need to utilize the discharging amount information of the charging battery, the storage units do not need to be respectively arranged on the electric vehicle and the charger, and the requirements of the electric vehicle and the charger can be met only by arranging the storage unit on the charging and discharging battery 2; on the other hand, the storage unit arranged on the charge-discharge battery 2 is also beneficial to the repair detection of the charge-discharge battery, and the detection efficiency is improved. The charging method of the electric vehicle charging system carries out charging according to the discharge amount information of the charging and discharging battery 2, can avoid overshoot or undershoot of the charger, and ensures the service life of the charging and discharging battery. In addition, the electric vehicle controls the electric quantity display unit or the electric quantity alarm unit of the electric vehicle 1 according to the discharge quantity information of the charge and discharge battery 2, so that a user can be accurately prompted to charge, and a good man-machine interaction function is achieved.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit of the invention as set forth in the claims.

Claims (7)

1. The charging and discharging battery is characterized by comprising a storage unit and a wireless transmitting module connected with the storage unit, wherein the storage unit is used for storing information of the charging and discharging battery, and the wireless transmitting module is used for transmitting the information of the charging and discharging battery.
2. The charge-discharge battery according to claim 1, wherein the information on the charge-discharge battery is information on a discharge amount of the charge-discharge battery.
3. The charge-discharge battery according to claim 2, wherein the charge-discharge battery is discharged while including at least a first continuous discharge period and a second continuous discharge period, the central processing unit calculates a first continuous discharge amount and replaces a stored value in the storage unit with the first continuous discharge amount, and the central processing unit calculates a second continuous discharge amount and replaces discharge amount information in the storage unit with a sum of the first continuous discharge amount and the second continuous discharge amount.
4. The charge-discharge battery according to claim 2, wherein the storage unit is configured to store information of a sum of all discharge amounts between the last two charges of the charge-discharge battery.
5. The charge-discharge battery according to claim 1, wherein the memory cell is a readable-writable memory cell.
6. The charge and discharge battery as claimed in claim 1, wherein the wireless transmission module transmits information of the charge and discharge battery to an external power source and a load.
7. The charging and discharging battery as claimed in any one of claims 1-6, wherein the wireless transmitting module is a Bluetooth transmitting module.
CN202110293350.1A 2020-11-16 2021-03-18 Charging and discharging battery Withdrawn CN113131016A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/CN2020/129092 WO2022099699A1 (en) 2020-11-16 2020-11-16 Charger and charging method thereof
CNPCT/CN2020/129092 2020-11-16

Publications (1)

Publication Number Publication Date
CN113131016A true CN113131016A (en) 2021-07-16

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Family Applications (8)

Application Number Title Priority Date Filing Date
CN202110290518.3A Withdrawn CN112959913A (en) 2020-11-16 2021-03-18 Electric vehicle charging system
CN202110292253.0A Withdrawn CN113119787A (en) 2020-11-16 2021-03-18 Electric vehicle charging system and charging method thereof
CN202110291640.2A Withdrawn CN113131015A (en) 2020-11-16 2021-03-18 Electric vehicle
CN202110290510.7A Withdrawn CN113131014A (en) 2020-11-16 2021-03-18 Charging and discharging battery
CN202110291670.3A Withdrawn CN113131564A (en) 2020-11-16 2021-03-18 Charging system and charging method thereof
CN202110293350.1A Withdrawn CN113131016A (en) 2020-11-16 2021-03-18 Charging and discharging battery
CN202110290516.4A Withdrawn CN113103920A (en) 2020-11-16 2021-03-18 Electric vehicle
CN202110292255.XA Withdrawn CN113119767A (en) 2020-11-16 2021-03-18 Charger and charging method thereof

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Application Number Title Priority Date Filing Date
CN202110290518.3A Withdrawn CN112959913A (en) 2020-11-16 2021-03-18 Electric vehicle charging system
CN202110292253.0A Withdrawn CN113119787A (en) 2020-11-16 2021-03-18 Electric vehicle charging system and charging method thereof
CN202110291640.2A Withdrawn CN113131015A (en) 2020-11-16 2021-03-18 Electric vehicle
CN202110290510.7A Withdrawn CN113131014A (en) 2020-11-16 2021-03-18 Charging and discharging battery
CN202110291670.3A Withdrawn CN113131564A (en) 2020-11-16 2021-03-18 Charging system and charging method thereof

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Application Number Title Priority Date Filing Date
CN202110290516.4A Withdrawn CN113103920A (en) 2020-11-16 2021-03-18 Electric vehicle
CN202110292255.XA Withdrawn CN113119767A (en) 2020-11-16 2021-03-18 Charger and charging method thereof

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CN201690242U (en) * 2009-12-03 2010-12-29 国基电子（上海）有限公司 Double-mode charging circuit
CN103036280A (en) * 2012-12-04 2013-04-10 江苏嘉钰新能源技术有限公司 Battery charger capable of charging multiple electric vehicles and charging method thereof
CN103023105B (en) * 2012-12-04 2015-07-01 哈尔滨冠拓电源设备有限公司 Electric motor car charging system with standby switching and charging method
CN107910928A (en) * 2018-01-03 2018-04-13 苏州驼力新能源科技有限公司 A kind of power rectifier resonance quick charger and its control method
CN109050322A (en) * 2018-08-29 2018-12-21 西安特锐德智能充电科技有限公司 A kind of charging system and method
TW202011660A (en) * 2018-09-07 2020-03-16 飛宏科技股份有限公司 Multi-channel intelligent charger

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CN113131015A (en) 2021-07-16
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CN113103920A (en) 2021-07-13
CN113119787A (en) 2021-07-16

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Application publication date: 20210716