CN106026287A - High-precision battery charging-discharging management system - Google Patents
High-precision battery charging-discharging management system Download PDFInfo
- Publication number
- CN106026287A CN106026287A CN201610560472.1A CN201610560472A CN106026287A CN 106026287 A CN106026287 A CN 106026287A CN 201610560472 A CN201610560472 A CN 201610560472A CN 106026287 A CN106026287 A CN 106026287A
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- Prior art keywords
- module
- charging
- battery
- management
- discharging
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Classifications
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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
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
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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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to the technical field of batteries, and discloses a high-precision battery charging-discharging management system. The system comprises a charging module, a power module, an MCU management module, a battery charging-discharging management and power acquisition module, a battery, an output module, and a display and alarm module. The charging module is connected with the power module. The power module is connected with the MCU management module and the battery charging-discharging management and power acquisition module. The battery charging-discharging management and power acquisition module and the display and alarm module are connected with the MCU management module. The battery charging-discharging management and power acquisition module is connected with the battery. The battery is connected with the output module. The output module is further connected with the MCU management module. The charging module includes a solar charging circuit, a hand-operated charging circuit, an adapter charging circuit, a switching circuit, a DC-DC module and a sampling control module. The high-precision battery charging-discharging management system has the advantages of simple circuit, low cost and high precision, and the SOC of the battery can be estimated.
Description
Technical field
The present invention relates to cell art, more specifically, manage system particularly to a kind of high-precision battery charging and discharging.
Background technology
Existing battery management system typically uses battery charging and discharging management module, electrical measurement module and MCU module to realize,
Electrical measurement module sends the voltage x current collected and electricity to MCU, is processed by MCU and realizes battery SOC later
Estimate；The management of charging and discharging that can accurately realize battery is processed by using battery charging management module and MCU to work in coordination with.
Such scheme not only circuit is complicated and cost is the highest.And existing battery management system be only capable of supporting commercial power charged or
Person's solar recharging, does not possess solar energy, civil power and three kinds of charging modes of hand generator.Cause its use field and time
It is restricted.
Summary of the invention
It is an object of the invention to provide that a kind of circuit is simple, low cost, can compatible solar energy, civil power and hand generator fill
Electricity, it is provided that the high-precision battery charging and discharging management system of MPPT maximum power point tracking.
In order to achieve the above object, the technical solution used in the present invention is as follows:
A kind of high-precision battery charging and discharging management system, manages module, battery including charging module, power module, MCU
Management of charging and discharging and electric quantity acquisition module, battery, output module and display alarm module, described charging module and power module
Connecting, described power module is connected with MCU management module, battery charging and discharging management and electric quantity acquisition module, and described battery fills
Electric discharge management and electric quantity acquisition module and display alarm module all manage module with MCU and are connected, described battery charging and discharging manage and
Electric quantity acquisition module is connected with battery, and described battery is connected with output module, and described output module also has MCU management module even
Connect；Described charging module includes solar charging circuit, hand charging circuit and adaptor charge circuit, respectively solar charging
The switching circuit that electricity circuit, hand charging circuit and adaptor charge circuit connect, the DC-DC module being connected with switching circuit,
The sampling control module being connected with DC-DC module, described sampling control module is also connected with battery；Wherein, described MCU pipe
Reason module is for carrying out battery SOC estimation, charge and discharge control and the control of display alarm module, described battery charging and discharging pipe
Reason and electric quantity acquisition module, for controlling the charging process of battery, measure charging voltage, electric current and electricity and by measurement result
Reaching MCU and manage module, described output module is for exporting the discharge voltage electric current of battery to MCU management module；Described
Display alarm module to battery charging condition, voltage x current and in real time battery SOC show, and to over-charging of battery and
Cross and put row warning into；Described power module is MCU management module, battery charging and discharging management and electric quantity acquisition module, output mould
Block and display alarm module for power supply.
Further, described output module includes relay module, LED module and load blocks, described relay module,
LED module, load blocks are all connected with battery, and described LED module is also connected with MCU management module, described relay mould
Block is also connected with power module.
Further, described display alarm module includes LCD liquid crystal display and buzzer.
Further, the management of described battery charging and discharging and electric quantity acquisition module pass through I2Measurement result is sent to MCU by C interface
Management module.
Compared with prior art, it is an advantage of the current invention that: circuit of the present invention is simple, low cost, precision is high, and Width funtion is defeated
Enter scope, the compatible solar energy of energy, civil power and hand power charging, and battery SOC can be estimated.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing skill
In art description, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to root
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the frame diagram of high-precision battery charging and discharging of the present invention management system.
Fig. 2 is the schematic diagram of charging module in the present invention.
Fig. 3 is the circuit diagram of MCU management module in the present invention.
Fig. 4 is battery charging and discharging management and the circuit diagram of electric quantity acquisition module in the present invention.
Fig. 5 is the circuit diagram of power module in the present invention.
Fig. 6 is switching circuit and the circuit diagram of DC-DC module in charging module in the present invention.
Fig. 7 is the circuit diagram of sampling control circuit in charging module in the present invention.
Fig. 8 is the circuit diagram of output module in the present invention.
Fig. 9 is the circuit diagram of display module in the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings the preferred embodiments of the present invention are described in detail, so that advantages and features of the invention can be more easy to
In being readily appreciated by one skilled in the art, thus protection scope of the present invention is made apparent clear and definite defining.
Embodiment
Refering to shown in Fig. 1, the present embodiment provides and includes that charging module, power module, MCU manage module, battery charging and discharging
Management and electric quantity acquisition module, battery, output module and display alarm module, described charging module is connected with power module.
Described power module is connected with MCU management module, battery charging and discharging management and electric quantity acquisition module, described battery charge and discharge
Fulgurite reason and electric quantity acquisition module and display alarm module are all connected with MCU management module, the management of described battery charging and discharging and electricity
Amount acquisition module is connected with battery, and described battery is connected with output module, and described output module also has MCU management module to connect.
Refering to shown in Fig. 2, described charging module includes solar charging circuit, hand charging circuit and adaptor charge circuit,
The switching circuit that solar charging circuit, hand charging circuit and adaptor charge circuit connect respectively, is connected with switching circuit
DC-DC module, the sampling control module being connected with DC-DC module, described sampling control module is also connected with battery.
Refering to shown in Fig. 6, Fig. 7, solar energy, the electric current that hand generator and adapter produce is through relay R Y201 (i.e.
Switching circuit) input is to the DC-DC module being made up of audion Q1, Q2, Q3, Q4 and inductance L201, through DC-DC mould
Block flows into battery by sampling resistor R210 and control switch Q5 after processing, it is achieved charge the battery.
Described output module includes relay module, LED module and load blocks, described relay module, LED module,
Load blocks is all connected with battery, described LED module also with MCU management module be connected, described relay module also with power supply
Module connects.
Described display alarm module includes LCD liquid crystal display (shown in Fig. 9) and buzzer.
Refering to shown in Fig. 3, for the circuit diagram of MCU management module, this MCU management module be used for carrying out battery SOC estimation,
Charge and discharge control and the control of display alarm module, SOC estimates to use self organizing neural network algorithm to realize simultaneously, has
Self-learning function.And MCU management module can carry out battery SOC estimation and heat management.
Controller U100 uses two AD sampling channels of P20 and P21 to detect cell voltage and charging and discharging currents, logical
Cross computing battery dump energy is estimated, battery charging condition shown by U101 and LED01 and reports to the police,
Boot up control by button K101, use K102 and K103 to carry out display parameters selecting display.
Refering to shown in Fig. 4, for battery charging and discharging management and the circuit diagram of electric quantity acquisition module, the management of described battery charging and discharging and
Electric quantity acquisition module, for controlling the charging process of battery, is measured charging voltage, electric current and electricity and measurement result is reached
MCU manages module, and management of charging and discharging function is controlled by SOC value, with battery charging management and electric quantity acquisition
Module prevents over-charging of battery jointly, thus preferably protects battery.
Concrete, input voltage and input current is carried out by battery management chip U201 by sampling resistor RSENSEA and RSENSEA
Monitoring, is controlled audion Q1～Q4 realizing the conversion to input voltage and input current；By sampling resistor R210 to charging
Voltage x current is monitored, and controls audion Q5 and realizes overcharging overcurrent protection.By using sampling resistor R302 to electric discharge electricity
Current voltage is monitored, and controls output module repeat circuit RY301 and realizes battery Cross prevention in discharge process.
The management of described battery charging and discharging and electric quantity acquisition module can realize lead-acid battery and lithium ion battery are charged management,
And constant current, constant voltage, syllogic and four-part form charging modes can be realized (i.e. by battery management chip register configuration is repaiied
Change to realize), battery charging and discharging management and electric quantity acquisition module have the wide range input voltage of 4.5～35V, up to 35V
Output voltage；It can carry out electricity accumulation computing；And there are 14 ADC, can be accurately to battery charging and discharging voltage
Current signal accurately gathers.
The management of described battery charging and discharging and electric quantity acquisition module have I2C interface, can pass through I2Measurement result is sent to by C
MCU management module processes.
Battery is output extremely load after DC/DC module U301 processes.Give after power module U401 and U400 changes
MCU management module U100, display module U101 and battery management chip U201 power.
Refering to shown in Fig. 5, for the circuit diagram of power module, described power module uses transformator, switching power source chip and line
Property low-dropout regulator module each to electric energy meter respectively is powered.Described power module is that MCU manages module, battery charge and discharge
Fulgurite reason and electric quantity acquisition module, output module and display alarm module for power supply.
Refering to described in Fig. 8, for the circuit diagram of output module, described output module is for exporting the discharge voltage electric current of battery
Module is managed to MCU；Battery charging condition, voltage x current and real-time battery SOC are carried out by described display alarm module
Display, and over-charging of battery is put into row warning with crossing.
Although being described in conjunction with the accompanying embodiments of the present invention, but patent owner can be in scope of the following claims
Within make various deformation or amendment, as long as less than the protection domain described by claim of the present invention, all should be at this
Within the protection domain of invention.
Claims (4)
1. high-precision battery charging and discharging management system, it is characterised in that: include charging module, power module,
MCU management module, battery charging and discharging management and electric quantity acquisition module, battery, output module and display alarm module, institute
Stating charging module to be connected with power module, described power module is adopted with MCU management module, battery charging and discharging management and electricity
Collection module connects, and the management of described battery charging and discharging and electric quantity acquisition module and display alarm module are all with MCU management module even
Connecing, the management of described battery charging and discharging and electric quantity acquisition module are connected with battery, and described battery is connected with output module, described
Output module also has MCU management module to connect；Described charging module include solar charging circuit, hand charging circuit and
Adaptor charge circuit, the switching electricity that solar charging circuit, hand charging circuit and adaptor charge circuit connect respectively
Road, the DC-DC module being connected with switching circuit, the sampling control module being connected with DC-DC module, described controlling of sampling
Module is also connected with battery；Wherein, described MCU management module be used for carrying out battery SOC estimation, charge and discharge control and
The control of display alarm module, described battery charging and discharging manages and electric quantity acquisition module is for controlling the charging process of battery,
Measuring charging voltage, electric current and electricity and measurement result reaches MCU management module, described output module is for by electricity
The discharge voltage electric current output in pond manages module to MCU；Described display alarm module is to battery charging condition, voltage electricity
Stream and in real time battery SOC show, and with crossing into over-charging of battery is put row warning；Described power module is MCU pipe
Reason module, battery charging and discharging management and electric quantity acquisition module, output module and display alarm module for power supply.
High-precision battery charging and discharging the most according to claim 1 management system, it is characterised in that: described output
Module includes relay module, LED module and load blocks, and described relay module, LED module, load blocks are equal
Being connected with battery, described LED module is also connected with MCU management module, and described relay module is also connected with power module.
High-precision battery charging and discharging the most according to claim 1 management system, it is characterised in that: described display
Alarm module includes LCD liquid crystal display and buzzer.
High-precision battery charging and discharging the most according to claim 1 management system, it is characterised in that: described battery
Management of charging and discharging and electric quantity acquisition module pass through I2Measurement result is sent to MCU and manages module by C interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610560472.1A CN106026287A (en) | 2016-07-15 | 2016-07-15 | High-precision battery charging-discharging management system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610560472.1A CN106026287A (en) | 2016-07-15 | 2016-07-15 | High-precision battery charging-discharging management system |
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| CN106026287A true CN106026287A (en) | 2016-10-12 |
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| CN201610560472.1A Pending CN106026287A (en) | 2016-07-15 | 2016-07-15 | High-precision battery charging-discharging management system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107124020A (en) * | 2017-06-01 | 2017-09-01 | 合肥尚强电气科技有限公司 | Battery charging and discharging control system for handheld electric appliance |
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| JP2009044923A (en) * | 2007-08-10 | 2009-02-26 | Origin Electric Co Ltd | Power supply system |
| CN102437620A (en) * | 2012-01-11 | 2012-05-02 | 东莞市钜大电子有限公司 | Multifunctional small-size movable power station and control method thereof |
| CN105375586A (en) * | 2015-12-16 | 2016-03-02 | 威胜集团有限公司 | Battery charge and discharge management device and metering instrument manufactured by the same |
| CN205901360U (en) * | 2016-07-15 | 2017-01-18 | 长沙中坤电气科技股份有限公司 | Battery charging/ discharging management system of high accuracy |
-
2016
- 2016-07-15 CN CN201610560472.1A patent/CN106026287A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009044923A (en) * | 2007-08-10 | 2009-02-26 | Origin Electric Co Ltd | Power supply system |
| CN102437620A (en) * | 2012-01-11 | 2012-05-02 | 东莞市钜大电子有限公司 | Multifunctional small-size movable power station and control method thereof |
| CN105375586A (en) * | 2015-12-16 | 2016-03-02 | 威胜集团有限公司 | Battery charge and discharge management device and metering instrument manufactured by the same |
| CN205901360U (en) * | 2016-07-15 | 2017-01-18 | 长沙中坤电气科技股份有限公司 | Battery charging/ discharging management system of high accuracy |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107124020A (en) * | 2017-06-01 | 2017-09-01 | 合肥尚强电气科技有限公司 | Battery charging and discharging control system for handheld electric appliance |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20170807 Address after: Yuelu District City, Tongzi province Hunan 410205 Changsha wasion Po Xi Lu Science Park No. 468, No. 11 building Applicant after: Hunan Li'neng Science & Technology Co., Ltd. Address before: Yuelu District City, Hunan province 410205 Changsha Yinpan Road No. 359 building wasion Applicant before: Changsha Zomkun Electrical Technology Co., Ltd. |
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Application publication date: 20161012 |
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