CN107565671A - A kind of reaction type storage battery charge-discharge control system - Google Patents
A kind of reaction type storage battery charge-discharge control system Download PDFInfo
- Publication number
- CN107565671A CN107565671A CN201710761042.0A CN201710761042A CN107565671A CN 107565671 A CN107565671 A CN 107565671A CN 201710761042 A CN201710761042 A CN 201710761042A CN 107565671 A CN107565671 A CN 107565671A
- Authority
- CN
- China
- Prior art keywords
- battery
- charge
- discharge control
- module
- 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
Classifications
-
- 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
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Abstract
The invention discloses a kind of reaction type storage battery charge-discharge control system, includes inverse-excitation type switch power-supply and connected charge and discharge control module；The inverse-excitation type switch power-supply includes EMI filtration modules, AC/DC conversion equipments, high frequency transformer and loop compensation module；The present invention is analyzed by the change to voltage and current in battery operation, the progress of work of battery is rationally controlled, so as to ensure and improve the service life cycle of battery；The AC DC conversion equipments of the present invention eliminate outside start-up circuit, substantially reduce the power consumption of actuating section；The present invention is started using closing inside back cover pole pipe and realize, stand-by power consumption is low, and speed is fast, and the present invention is using encapsulation technique is closed, without high-pressure process, it is easy to accomplish, it is cost-effective；For the present invention when output short-circuit, system improves stability automatically into fixed frequency modes.
Description
Technical field
The invention belongs to field of intelligent monitoring, more particularly to a kind of reaction type storage battery charge-discharge control system.
Background technology
Battery is widely used among a variety of industrial circles and daily life, its service life and charge less,
Overcharge and put excessively closely related.How to be effectively ensured and improve the service life of battery is in battery management system design
Urgent problem.
The design of battery management system is mainly carried out in terms of being charged and discharged two, and different application scenarios are taken
Charge and discharge control strategy also emphasize particularly on different fields.At present, charging strategy mainly uses three stage charging system, the hotter mainly arteries and veins of research
Punching charging, it is intended to avoid battery charge less with overcharging；Electric discharge strategy is main by the way of threshold voltage is set, it is intended to avoids storing
Battery, which is crossed, to be put.
Switching Power Supply is widely used in almost all of electronic equipment with the features such as small-sized, light weight and high efficiency, is to work as
Modern electronics and information industry develops rapidly a kind of indispensable power mode.Primary side feedback Switching Power Supply adds because saving optocoupler
TL431 structure, the space on system board is saved, reduce cost and improve the reliability of system, in power management
In be able to fast-developing and extensive use.
The content of the invention
The technical problems to be solved by the invention are that the deficiency for being directed to background provides a kind of reaction type accumulator cell charging and discharging
Control system, analyzed by the change to voltage and current in battery operation, rationally control the work of battery
Process, so as to ensure and improve the service life cycle of battery.
The present invention uses following technical scheme to solve above-mentioned technical problem
A kind of reaction type storage battery charge-discharge control system, include inverse-excitation type switch power-supply and connected charge and discharge control
Module；
The inverse-excitation type switch power-supply, charged for civil power to be converted into low-voltage DC for battery；
The charge and discharge control module, is controlled for the discharge and recharge in real time to battery；
The inverse-excitation type switch power-supply includes EMI filtration modules, AC/DC conversion equipments；
Wherein, city is electrically accessed EMI filtration modules, for filtering out common mode and DM EMI in utility grid；
The EMI filtration modules connect high frequency transformer by AC/DC conversion equipments, for the alternating current of input to be converted into directly
Stream electricity, and then complete transformation by high frequency transformer；
The charge and discharge control module include charging control circuit, battery, charge/discharge control circuit, charging current detection module,
Terminal voltage detecting module, micro controller module, discharge current detection module, human-computer interaction module, pwm driver；
Inverse-excitation type switch power-supply connects battery by charging control circuit, for controlling battery to charge；
Battery and charge/discharge control circuit, for controlling battery discharging；
Charging current detection module, terminal voltage detecting module, discharge current detection module connect with micro controller module respectively, use
In the discharge current of voltage, battery in the charging current of real-time detection battery respectively, battery, by the telecommunications of collection
Number it is uploaded to micro controller module；
Human-computer interaction module is connected with micro controller module, for checking the voltage status and charging and discharging currents state of battery,
And for setting microcontroller parameter threshold；
The pwm driver connects with micro controller module, charging control circuit, charge/discharge control circuit respectively, is adopted for basis
The voltage and current parameters of collection, and then drive the pwm signal of charging control circuit and charge/discharge control circuit FET；
The charging control circuit includes a boost module,
The boost module includes converter, inductance, voltage-stabiliser tube, the first electrochemical capacitor, the second electrochemical capacitor, first resistor and the
Two resistance, the positive pole of the first electrochemical capacitor connect one end and the civil power of inductance respectively, the other end connection first resistor of inductance
One end, the other end of first resistor connect the positive pole of voltage-stabiliser tube and the input of converter respectively, and the negative pole of voltage-stabiliser tube connects respectively
The normal-closed end of the positive pole of the second electrochemical capacitor, the output end of converter and switch is connect, the movable end of switch is connected with second resistance
It is connected afterwards with charging circuit, the negative pole of the first electrochemical capacitor, the negative pole of the second electrochemical capacitor, earth terminal and the ground of converter connect
Connect；
The EMI filtration modules include common mode inductance, X electric capacity, Y capacitance and bleeder resistance；
The common mode inductance is made up of the coil of two coilings in the same direction, for eliminating loop difference current；
X electric capacity is attempted by common mode inductance both sides, for eliminating DM EMI；
Y capacitance is connected across output end and series connection neutral earthing, is disturbed for suppression common mode；
Bleeder resistance is used to eliminate the accumulation of static electricity occurred in wave filter.
As a kind of further preferred scheme of reaction type storage battery charge-discharge control system of the present invention, the battery
Terminal voltage is between the V of 10.5 V~14.0.
As a kind of further preferred scheme of reaction type storage battery charge-discharge control system of the present invention, the charging current
Detection module uses Hall sensor.
As a kind of further preferred scheme of reaction type storage battery charge-discharge control system of the present invention, the PWM drivings
The chip model of device is IR4427.
As a kind of further preferred scheme of reaction type storage battery charge-discharge control system of the present invention, the discharge current
Detection module uses Hall sensor.
The present invention compared with prior art, has following technique effect using above technical scheme：
The present invention is analyzed by the change to voltage and current in battery operation, rationally controls the work of battery
Process, so as to ensure and improve the service life cycle of battery；
The EMI filtration modules of the present invention include common mode inductance, X electric capacity, Y capacitance and bleeder resistance, can effectively filter out in power network
Common mode and DM EMI, the common mode inductance is made up of the coil of two coilings in the same direction, for eliminating loop difference current；
X electric capacity is attempted by common mode inductance both sides, for eliminating DM EMI；Y capacitance is connected across output end and series connection neutral earthing,
Disturbed for suppression common mode；Bleeder resistance is used to eliminate the accumulation of static electricity occurred in wave filter.
Brief description of the drawings
Fig. 1 is charging control circuit boost module circuit diagram of the present invention.
Embodiment
Technical scheme is described in further detail below in conjunction with the accompanying drawings：
A kind of reaction type storage battery charge-discharge control system, include inverse-excitation type switch power-supply and connected charge and discharge control
Module；
The inverse-excitation type switch power-supply, charged for civil power to be converted into low-voltage DC for battery；
The charge and discharge control module, is controlled for the discharge and recharge in real time to battery；
The inverse-excitation type switch power-supply includes EMI filtration modules, AC/DC conversion equipments；
Wherein, city is electrically accessed EMI filtration modules, for filtering out common mode and DM EMI in utility grid；
The EMI filtration modules connect high frequency transformer by AC/DC conversion equipments, for the alternating current of input to be converted into directly
Stream electricity, and then complete transformation by high frequency transformer；
The charge and discharge control module include charging control circuit, battery, charge/discharge control circuit, charging current detection module,
Terminal voltage detecting module, micro controller module, discharge current detection module, human-computer interaction module, pwm driver；
Inverse-excitation type switch power-supply connects battery by charging control circuit, for controlling battery to charge；
Battery and charge/discharge control circuit, for controlling battery discharging；
Charging current detection module, terminal voltage detecting module, discharge current detection module connect with micro controller module respectively, use
In the discharge current of voltage, battery in the charging current of real-time detection battery respectively, battery, by the telecommunications of collection
Number it is uploaded to micro controller module；
Human-computer interaction module is connected with micro controller module, for checking the voltage status and charging and discharging currents state of battery,
And for setting microcontroller parameter threshold；
The pwm driver connects with micro controller module, charging control circuit, charge/discharge control circuit respectively, is adopted for basis
The voltage and current parameters of collection, and then drive the pwm signal of charging control circuit and charge/discharge control circuit FET；
The charging control circuit includes a boost module,
The boost module includes converter, inductance, voltage-stabiliser tube, the first electrochemical capacitor, the second electrochemical capacitor, first resistor and the
Two resistance, the positive pole of the first electrochemical capacitor connect one end and the civil power of inductance respectively, the other end connection first resistor of inductance
One end, the other end of first resistor connect the positive pole of voltage-stabiliser tube and the input of converter respectively, and the negative pole of voltage-stabiliser tube connects respectively
The normal-closed end of the positive pole of the second electrochemical capacitor, the output end of converter and switch is connect, the movable end of switch is connected with second resistance
It is connected afterwards with charging circuit, the negative pole of the first electrochemical capacitor, the negative pole of the second electrochemical capacitor, earth terminal and the ground of converter connect
Connect.
The EMI filtration modules include common mode inductance, X electric capacity, Y capacitance and bleeder resistance；
The common mode inductance is made up of the coil of two coilings in the same direction, for eliminating loop difference current；
X electric capacity is attempted by common mode inductance both sides, for eliminating DM EMI；
Y capacitance is connected across output end and series connection neutral earthing, is disturbed for suppression common mode；
Bleeder resistance is used to eliminate the accumulation of static electricity occurred in wave filter；
Wherein, inverse-excitation type switch power-supply：The specific design index of Switching Power Supply is as follows：Power frequency inputs AC 220（1±20%）V；Directly
Stream output 18 V/10 A and 10 V/0.6 A；Switching frequency fS=65 kHz, power output Pout=180 W, operating efficiency η >=
85%, maximum duty cycle Dmax=0.45, electric current continuous type mode of operation（CCM）.Specific design mainly includes 3 parts：EMI is filtered
Ripple, high frequency transformer and loop compensation.
EMI filtration modules：Electromagnetic interference caused by Switching Power Supply（EMI）Mainly based on Conduction Interference and near-field interference,
Including 2 kinds of states of common mode disturbances and DM EMI.The common mode that electromagnetic interface filter [6-8] can be effectively filtered out in power network is done with differential mode
Disturb.EMI filter circuit is mainly made up of common mode inductance, X electric capacity, Y capacitance and bleeder resistance.Common mode inductance is by two coilings in the same direction
Coil composition, for eliminating loop difference current；X electric capacity is attempted by common mode inductance both sides, for eliminating DM EMI；Y electricity
Appearance is connected across output end and series connection neutral earthing, is disturbed for suppression common mode；Bleeder resistance is used to eliminate may in wave filter
The accumulation of static electricity of appearance.
Terminal voltage changes 12 V batteries between the V of 10.5 V~14.0 in the course of the work, Chip Microcomputer A/D convert reference
Voltage is 5 V, it is therefore desirable to which sampled signal is linearly nursed one's health.The design uses resistance as 400 k Ω and 100 k Ω, essence
Spend and carry out partial pressure sampling, partial pressure coefficient k=0.2 for 1% resistance.
Accumulator cell charging and discharging electric current is obtained using Hall sensor.Because 2.5 V direct current biasings be present in the output of sensor,
To eliminate bias voltage, single-chip microcomputer conversion is reduced with calculating the time, difference channel is built using LM358, obtains actual electric current
Change voltage and carry out AD samplings.
The presence of circuit noise and external interference to be mixed with various noises in AD sampled signals, to improve sampled signal letter
Make an uproar and compare, use Butterworth LPF design method to devise cut-off frequecy of passband as 100 Hz herein, stopband cutoff frequency
Rate is 500 Hz, and the second order active low pass filter that output gain is 1 is filtered processing to signal.
System realizes the unified management [11,12] to accumulator charging/discharging process using PWM mode.According to FET
C-V characteristic is understood, in the saturation region of metal-oxide-semiconductor, when VGS is fixed, the influence of VDS change to IDS is little, has constant-current source
Characteristic.Therefore, the constant current output that the gate source voltage of FET can be set adaptively is adjusted by digital PI controller,
Realize multisection type modified constant-voltage charge management.In discharge process, accumulator voltage can gradually decrease down work from 13.1 V and cut
The only V of voltage 10.5 so that the output of battery is unstable.Therefore, DC load is carried out by the way of PWM pulsewidth modulations
Power supply, make battery is stable to export.
To prevent that battery to switching power circuit back discharge, utilizes the unidirectional of diode after being disconnected due to AC power
On state characteristic, prevent battery from inversely discharging by concatenating Schottky diode MBR20100 in the loop.Simultaneously, it is contemplated that store
Battery is likely to occur reversal connection when accessing, and causes circuit board component to damage, and design uses metal-oxide-semiconductor reverse-connection protection circuit, passes through resistance
R9 and voltage-regulator diode D2 provides the gate source voltage of FET.When reverse connection of accumulator, gate source voltage VGS=0, FET
Cut-off, charge circuit are disconnected.
Claims (5)
- A kind of 1. reaction type storage battery charge-discharge control system, it is characterised in that：Connect comprising inverse-excitation type switch power-supply and with it The charge and discharge control module connect；The inverse-excitation type switch power-supply, charged for civil power to be converted into low-voltage DC for battery；The charge and discharge control module, is controlled for the discharge and recharge in real time to battery；The inverse-excitation type switch power-supply includes EMI filtration modules, AC/DC conversion equipments；Wherein, city is electrically accessed EMI filtration modules, for filtering out common mode and DM EMI in utility grid；The EMI filtration modules connect high frequency transformer by AC/DC conversion equipments, for the alternating current of input to be converted into directly Stream electricity, and then complete transformation by high frequency transformer；The charge and discharge control module include charging control circuit, battery, charge/discharge control circuit, charging current detection module, Terminal voltage detecting module, micro controller module, discharge current detection module, human-computer interaction module, pwm driver；Inverse-excitation type switch power-supply connects battery by charging control circuit, for controlling battery to charge；Battery and charge/discharge control circuit, for controlling battery discharging；Charging current detection module, terminal voltage detecting module, discharge current detection module connect with micro controller module respectively, use In the discharge current of voltage, battery in the charging current of real-time detection battery respectively, battery, by the telecommunications of collection Number it is uploaded to micro controller module；Human-computer interaction module is connected with micro controller module, for checking the voltage status and charging and discharging currents state of battery, And for setting microcontroller parameter threshold；The pwm driver connects with micro controller module, charging control circuit, charge/discharge control circuit respectively, is adopted for basis The voltage and current parameters of collection, and then drive the pwm signal of charging control circuit and charge/discharge control circuit FET；The charging control circuit includes a boost module,The boost module includes converter, inductance, voltage-stabiliser tube, the first electrochemical capacitor, the second electrochemical capacitor, first resistor and the Two resistance, the positive pole of the first electrochemical capacitor connect one end and the civil power of inductance respectively, the other end connection first resistor of inductance One end, the other end of first resistor connect the positive pole of voltage-stabiliser tube and the input of converter respectively, and the negative pole of voltage-stabiliser tube connects respectively The normal-closed end of the positive pole of the second electrochemical capacitor, the output end of converter and switch is connect, the movable end of switch is connected with second resistance It is connected afterwards with charging circuit, the negative pole of the first electrochemical capacitor, the negative pole of the second electrochemical capacitor, earth terminal and the ground of converter connect Connect；The EMI filtration modules include common mode inductance, X electric capacity, Y capacitance and bleeder resistance；The common mode inductance is made up of the coil of two coilings in the same direction, for eliminating loop difference current；X electric capacity is attempted by common mode inductance both sides, for eliminating DM EMI；Y capacitance is connected across output end and series connection neutral earthing, is disturbed for suppression common mode；Bleeder resistance is used to eliminate the accumulation of static electricity occurred in wave filter.
- A kind of 2. reaction type storage battery charge-discharge control system according to claim 1, it is characterised in that：The battery Terminal voltage between the V of 10.5 V~14.0.
- A kind of 3. reaction type storage battery charge-discharge control system according to claim 1, it is characterised in that：The charging electricity Stream detection module uses Hall sensor.
- A kind of 4. reaction type storage battery charge-discharge control system according to claim 1, it is characterised in that：The PWM drives The chip model of dynamic device is IR4427.
- A kind of 5. reaction type storage battery charge-discharge control system according to claim 1, it is characterised in that：The electric discharge electricity Stream detection module uses Hall sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710761042.0A CN107565671A (en) | 2017-08-30 | 2017-08-30 | A kind of reaction type storage battery charge-discharge control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710761042.0A CN107565671A (en) | 2017-08-30 | 2017-08-30 | A kind of reaction type storage battery charge-discharge control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107565671A true CN107565671A (en) | 2018-01-09 |
Family
ID=60977711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710761042.0A Pending CN107565671A (en) | 2017-08-30 | 2017-08-30 | A kind of reaction type storage battery charge-discharge control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107565671A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113155012A (en) * | 2021-01-25 | 2021-07-23 | 上海兰宝传感科技股份有限公司 | Capacitive proximity switch sensor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204142931U (en) * | 2014-09-05 | 2015-02-04 | 江苏银佳企业集团有限公司 | A kind of accumulator auto charge and discharge and capacity checking apparatus |
| CN104393365A (en) * | 2014-11-13 | 2015-03-04 | 无锡悟莘科技有限公司 | Waste direct current electric power recovery control system |
-
2017
- 2017-08-30 CN CN201710761042.0A patent/CN107565671A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204142931U (en) * | 2014-09-05 | 2015-02-04 | 江苏银佳企业集团有限公司 | A kind of accumulator auto charge and discharge and capacity checking apparatus |
| CN104393365A (en) * | 2014-11-13 | 2015-03-04 | 无锡悟莘科技有限公司 | Waste direct current electric power recovery control system |
Non-Patent Citations (1)
| Title |
|---|
| 汤健强，周凤星，沈春鹏: "基于μC/OS-II 的蓄电池状态监测与智能控制系统", 《电源技术与应用》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113155012A (en) * | 2021-01-25 | 2021-07-23 | 上海兰宝传感科技股份有限公司 | Capacitive proximity switch sensor |
| CN113155012B (en) * | 2021-01-25 | 2022-11-01 | 上海兰宝传感科技股份有限公司 | Capacitive proximity switch sensor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107528375A (en) | A kind of accumulator charging and discharging state intelligent monitor system | |
| CN107394864A (en) | A kind of accumulator of electric car charging and discharging state monitoring system | |
| CN2891442Y (en) | Portable charger for electric automobile | |
| CN204794705U (en) | Multiplexed output flyback converter of uninterrupted power supply | |
| CN107332324A (en) | Charging electric car storage battery charge-discharge control system based on AC DC conversion equipments | |
| CN208386212U (en) | A kind of uninterruptible power supply | |
| CN105958600B (en) | Solar mobile phone charging power-supply system based on ARM control | |
| CN107508349A (en) | A kind of state-detection and control system of the special wire harness of discharge and recharge | |
| CN107994636A (en) | A kind of roadside advertising film accumulator charging and discharging state detection device | |
| CN107579560A (en) | A kind of accumulator charging and discharging state detection and monitoring system | |
| CN107565671A (en) | A kind of reaction type storage battery charge-discharge control system | |
| CN204290428U (en) | A kind of integrate motor drives and battery charging function module | |
| CN107895992A (en) | A kind of solar storage battery charge-discharge monitoring system | |
| CN201570981U (en) | AC-DC isolation control circuit | |
| CN107370218A (en) | A kind of intelligent monitoring and controlling device of the special wire harness based on three-stage operational amplifier | |
| CN207530597U (en) | A kind of accumulator of electric car charging and discharging state monitoring system | |
| CN209250280U (en) | A kind of middle pressure flexible direct current two-way changing device for direct-current grid | |
| CN205829219U (en) | The solar mobile phone charging power-supply system controlled based on ARM | |
| CN208198134U (en) | A kind of accumulator of electric car monitoring system with overvoltage protection | |
| CN208674892U (en) | A kind of new-energy automobile accumulator cell charging and discharging monitoring system | |
| CN208904890U (en) | A kind of superconducting magnet circuit | |
| CN107453460A (en) | A kind of intelligence control system of the special wire harness of discharge and recharge | |
| CN208849520U (en) | Improve the circuit structure in high-power charger output capacitance service life | |
| CN202009259U (en) | Quick intelligent switching power supply charger | |
| CN108263240B (en) | Vehicle-mounted charging device of electric automobile and charging method thereof |
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: 20180109 |
|
| RJ01 | Rejection of invention patent application after publication |