CN107528375A - A kind of accumulator charging and discharging state intelligent monitor system - Google Patents
A kind of accumulator charging and discharging state intelligent monitor system Download PDFInfo
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- CN107528375A CN107528375A CN201710896486.5A CN201710896486A CN107528375A CN 107528375 A CN107528375 A CN 107528375A CN 201710896486 A CN201710896486 A CN 201710896486A CN 107528375 A CN107528375 A CN 107528375A
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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
- H02J7/007—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
- H02J7/00714—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery charging or discharging current
- H02J7/00716—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery charging or discharging current in response to integrated charge or discharge current
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
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- H02J7/045—
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of accumulator charging and discharging state intelligent monitor 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, voltage conversion circuit, high frequency transformer and loop compensation module；The charge and discharge control module includes 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；The present invention is analyzed by the change to voltage and current in battery operation, the rationally progress of work of control battery, so as to ensure and improve the service life cycle of battery, the present invention provides a kind of power amplifier, design triple structure for amplifying, the switching rate of amplifier is significantly improved, it is ingenious in design, it is worthy to be popularized.
Description
Technical field
The invention belongs to field of intelligent monitoring, more particularly to a kind of accumulator charging and discharging state intelligent monitor 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 accumulator charging and discharging state intelligence
Energy monitoring system, is analyzed by the change to voltage and current in battery operation, rationally controls the work of battery
Make 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 accumulator charging and discharging state intelligent monitor system, include Switching Power Supply and connected charge and discharge control mould
Block；
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, voltage conversion circuit, high frequency transformer and loop compensation mould
Block；
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 voltage conversion circuit, for the alternating current of input to be converted into directly
Stream electricity, and then complete transformation by high frequency transformer；
The loop compensation module is connected with the output end of high frequency transformer and the input of voltage conversion circuit respectively, for height
The output voltage of frequency power transformer carries out loop compensation；
The voltage conversion circuit, including prime voltage conversion circuit and rear class voltage conversion circuit coupled thereto；
The prime voltage conversion circuit includes：First voltage protection module, it is coupled to supply voltage and internal conversion electricity is provided
Pressure；First voltage modular converter, first voltage protection module is coupled to, before input signal is converted to according to internal conversion voltage
Level output signal；
The rear class voltage conversion circuit includes：Second voltage protection module, produce the first reversed-phase output signal, the first output letter
Number, the second reversed-phase output signal and the second output signal, wherein, prime voltage conversion circuit and rear class voltage conversion circuit have
Multiple transistors, when the magnitude of voltage of supply voltage is more than the breakdown voltage of transistor, voltage conversion circuit protection transistor
Pressure difference is less than breakdown voltage, and when the magnitude of voltage of supply voltage is less than breakdown voltage, the output first of voltage conversion circuit full width is anti-
Phase output signal, the first output signal, the second reversed-phase output signal and the second output signal；
The charge and discharge control module include charging control circuit, battery, charge/discharge control circuit, charging current detection module,
Terminal voltage detecting module, power amplifier, 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 pass through power amplifier and microcontroller respectively
Device module connects, voltage, the discharge current of battery in the charging current, battery for the real-time detection battery of difference,
Through the electric signal of collection is uploaded into micro controller module；
The power amplifier includes first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the 6th resistance, the
Seven resistance, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the 6th electric capacity, the 7th electric capacity, the one or two
Pole pipe, the first triode, the second triode, the 3rd triode；
The first resistor is rheostat, and the sliding end of the first resistor connects one end of the first electric capacity, first electric capacity
The other end connect one end of second resistance, one end of the 3rd electric capacity, one end of 3rd resistor, the base of the first triode respectively
Pole, the other end ground connection of the 3rd resistor, the emitter stage of first triode connect one end of the 5th resistance, the 4th respectively
One end of electric capacity, the other end, the other end of the 4th electric capacity of the 5th resistance are grounded；
The colelctor electrode of first triode connects the other end, one end of the 4th resistance, the second triode of the 3rd electric capacity respectively
Base stage；The emitter stage of second triode connects one end of the 5th electric capacity, the other end ground connection of the 5th electric capacity；It is described
The colelctor electrode of second triode connects the other end of second resistance, one end of the second electric capacity, one end of the 6th electric capacity, the 3rd respectively
The emitter stage of triode；
The other end of second electric capacity connects one end of the 6th resistance, one end of the 7th resistance respectively, the 7th resistance
The other end connects the colelctor electrode of the 3rd triode, one end of the 7th electric capacity, the other end ground connection of the 7th electric capacity respectively；It is described
The other end of 6th resistance connects the anode of the first diode, the base stage of the 3rd triode respectively；The moon of first diode
Pole connects the other end of the 4th resistance；
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.
As a kind of further preferred scheme of accumulator charging and discharging state intelligent monitor system of the present invention, the EMI filters
Ripple module includes 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 accumulator charging and discharging state intelligent monitor system of the present invention, the battery
Terminal voltage between the V of 10.5 V~14.0.
As a kind of further preferred scheme of accumulator charging and discharging state intelligent monitor system of the present invention, the PWM drives
The chip model of dynamic device is IR4427.
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 AC-DC conversion equipments of the present invention eliminate outside start-up circuit, substantially reduce the power consumption of actuating section；The present invention uses
Close inside back cover pole pipe and realize and start, stand-by power consumption is low, and speed is fast, and the present invention, without high-pressure process, is easy to real using encapsulation technique is closed
It is existing, cost-effective；For the present invention when output short-circuit, system improves stability automatically into fixed frequency modes；
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, is used for
Suppression common mode is disturbed；Bleeder resistance is used to eliminate the accumulation of static electricity occurred in wave filter；
The present invention provides a kind of power amplifier, designs triple structure for amplifying, significantly improves the switching rate of amplifier, and design is skilful
It is wonderful, it is worthy to be popularized.
Brief description of the drawings
Fig. 1 is present system structure principle chart；
Fig. 2 is power amplifier circuit diagram of the present invention.
Embodiment
Technical scheme is described in further detail below in conjunction with the accompanying drawings：
As shown in figure 1, a kind of accumulator charging and discharging state intelligent monitor system, includes Switching Power Supply and connected charge and discharge
Electric 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, voltage conversion circuit, high frequency transformer and loop compensation mould
Block；
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 voltage conversion circuit, for the alternating current of input to be converted into directly
Stream electricity, and then complete transformation by high frequency transformer；
The loop compensation module is connected with the output end of high frequency transformer and the input of voltage conversion circuit respectively, for height
The output voltage of frequency power transformer carries out loop compensation；
The voltage conversion circuit, including prime voltage conversion circuit and rear class voltage conversion circuit coupled thereto；
The prime voltage conversion circuit includes：First voltage protection module, it is coupled to supply voltage and internal conversion electricity is provided
Pressure；First voltage modular converter, first voltage protection module is coupled to, before input signal is converted to according to internal conversion voltage
Level output signal；
The rear class voltage conversion circuit includes：Second voltage protection module, produce the first reversed-phase output signal, the first output letter
Number, the second reversed-phase output signal and the second output signal, wherein, prime voltage conversion circuit and rear class voltage conversion circuit have
Multiple transistors, when the magnitude of voltage of supply voltage is more than the breakdown voltage of transistor, voltage conversion circuit protection transistor
Pressure difference is less than breakdown voltage, and when the magnitude of voltage of supply voltage is less than breakdown voltage, the output first of voltage conversion circuit full width is anti-
Phase output signal, the first output signal, the second reversed-phase output signal and the second output signal；
The charge and discharge control module include charging control circuit, battery, charge/discharge control circuit, charging current detection module,
Terminal voltage detecting module, power amplifier, 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 pass through power amplifier and microcontroller respectively
Device module connects, voltage, the discharge current of battery in the charging current, battery for the real-time detection battery of difference,
Through the electric signal of collection is uploaded into micro controller module；
As shown in Fig. 2 the power amplifier includes first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the
Six resistance, the 7th resistance, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the 6th electric capacity, the 7th electricity
Appearance, the first diode, the first triode, the second triode, the 3rd triode；
The first resistor is rheostat, and the sliding end of the first resistor connects one end of the first electric capacity, first electric capacity
The other end connect one end of second resistance, one end of the 3rd electric capacity, one end of 3rd resistor, the base of the first triode respectively
Pole, the other end ground connection of the 3rd resistor, the emitter stage of first triode connect one end of the 5th resistance, the 4th respectively
One end of electric capacity, the other end, the other end of the 4th electric capacity of the 5th resistance are grounded；
The colelctor electrode of first triode connects the other end, one end of the 4th resistance, the second triode of the 3rd electric capacity respectively
Base stage；The emitter stage of second triode connects one end of the 5th electric capacity, the other end ground connection of the 5th electric capacity；It is described
The colelctor electrode of second triode connects the other end of second resistance, one end of the second electric capacity, one end of the 6th electric capacity, the 3rd respectively
The emitter stage of triode；
The other end of second electric capacity connects one end of the 6th resistance, one end of the 7th resistance respectively, the 7th resistance
The other end connects the colelctor electrode of the 3rd triode, one end of the 7th electric capacity, the other end ground connection of the 7th electric capacity respectively；It is described
The other end of 6th resistance connects the anode of the first diode, the base stage of the 3rd triode respectively；The moon of first diode
Pole connects the other end of the 4th resistance；
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；
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.Electromagnetic interface filter can effectively filter out common mode and DM EMI in power network.EMI
Filter circuit is mainly made up of common mode inductance, X electric capacity, Y capacitance and bleeder resistance.Common mode inductance 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 capacitance bridges
In output end and series connection neutral earthing, disturbed for suppression common mode；Bleeder resistance is used to eliminate what is be likely to occur in wave filter
Accumulation of static electricity.
High frequency transformer：High frequency transformer design be Switching Power Supply design in most important link, transformer performance it is excellent
The bad job stability and performance for directly affecting Switching Power Supply.
The charge and discharge control module include charging control circuit, battery, charge/discharge control circuit, charging current detection,
Terminal voltage detecting, micro controller module, discharge current detection, 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, terminal voltage detecting, discharge current detection connect with micro controller module respectively, for inspection in real time respectively
Survey the charging current of battery, voltage, the discharge current of battery in battery, the electric signal of collection is uploaded to micro-control
Device module processed；
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.
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 2.5V 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 to accumulator charging/discharging process using PWM mode.It is special according to the volt-ampere of FET
Property understand, 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.Cause
This, the constant current output that the gate source voltage of FET can be set adaptively is adjusted by digital PI controller, is realized more
Segmentation modified constant-voltage charge management.In discharge process, accumulator voltage can gradually decrease down work blanking voltage from 13.1 V
10.5 V so that the output of battery is unstable.Therefore, DC load is powered by the way of PWM pulsewidth modulations, made
Battery is stable to be exported.
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. accumulator charging and discharging state intelligent monitor system, it is characterised in that：Comprising Switching 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, voltage conversion circuit, high frequency transformer and loop compensation mould Block；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 voltage conversion circuit, for the alternating current of input to be converted into directly Stream electricity, and then complete transformation by high frequency transformer；The loop compensation module is connected with the output end of high frequency transformer and the input of voltage conversion circuit respectively, for height The output voltage of frequency power transformer carries out loop compensation；The voltage conversion circuit, including prime voltage conversion circuit and rear class voltage conversion circuit coupled thereto；The prime voltage conversion circuit includes：First voltage protection module, it is coupled to supply voltage and internal conversion electricity is provided Pressure；First voltage modular converter, first voltage protection module is coupled to, before input signal is converted to according to internal conversion voltage Level output signal；The rear class voltage conversion circuit includes：Second voltage protection module, produce the first reversed-phase output signal, the first output letter Number, the second reversed-phase output signal and the second output signal, wherein, prime voltage conversion circuit and rear class voltage conversion circuit have Multiple transistors, when the magnitude of voltage of supply voltage is more than the breakdown voltage of transistor, voltage conversion circuit protection transistor Pressure difference is less than breakdown voltage, and when the magnitude of voltage of supply voltage is less than breakdown voltage, the output first of voltage conversion circuit full width is anti- Phase output signal, the first output signal, the second reversed-phase output signal and the second output signal；The charge and discharge control module include charging control circuit, battery, charge/discharge control circuit, charging current detection module, Terminal voltage detecting module, power amplifier, 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 pass through power amplifier and microcontroller respectively Device module connects, voltage, the discharge current of battery in the charging current, battery for the real-time detection battery of difference, Through the electric signal of collection is uploaded into micro controller module；The power amplifier includes first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the 6th resistance, the Seven resistance, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the 6th electric capacity, the 7th electric capacity, the one or two Pole pipe, the first triode, the second triode, the 3rd triode；The first resistor is rheostat, and the sliding end of the first resistor connects one end of the first electric capacity, first electric capacity The other end connect one end of second resistance, one end of the 3rd electric capacity, one end of 3rd resistor, the base of the first triode respectively Pole, the other end ground connection of the 3rd resistor, the emitter stage of first triode connect one end of the 5th resistance, the 4th respectively One end of electric capacity, the other end, the other end of the 4th electric capacity of the 5th resistance are grounded；The colelctor electrode of first triode connects the other end, one end of the 4th resistance, the second triode of the 3rd electric capacity respectively Base stage；The emitter stage of second triode connects one end of the 5th electric capacity, the other end ground connection of the 5th electric capacity；It is described The colelctor electrode of second triode connects the other end of second resistance, one end of the second electric capacity, one end of the 6th electric capacity, the 3rd respectively The emitter stage of triode；The other end of second electric capacity connects one end of the 6th resistance, one end of the 7th resistance respectively, the 7th resistance The other end connects the colelctor electrode of the 3rd triode, one end of the 7th electric capacity, the other end ground connection of the 7th electric capacity respectively；It is described The other end of 6th resistance connects the anode of the first diode, the base stage of the 3rd triode respectively；The moon of first diode Pole connects the other end of the 4th resistance；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.
- A kind of 2. accumulator charging and discharging state intelligent monitor system according to claim 1, it is characterised in that：The EMI Filtration module includes 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 3. accumulator charging and discharging state intelligent monitor system according to claim 1, it is characterised in that：The electric power storage The terminal voltage in pond is between the V of 10.5 V~14.0.
- A kind of 4. accumulator charging and discharging state intelligent monitor system according to claim 1, it is characterised in that：The charging Current detection module and discharge current detection module use Hall sensor.
- A kind of 5. accumulator charging and discharging state intelligent monitor system according to claim 1, it is characterised in that：The PWM The chip model of driver is IR4427.
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| CN201710896486.5A CN107528375A (en) | 2017-09-28 | 2017-09-28 | A kind of accumulator charging and discharging state intelligent monitor system |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107796412A (en) * | 2017-09-28 | 2018-03-13 | 无锡昊瑜节能环保设备有限公司 | A kind of on-vehicle positioning terminal with power supply optimization |
| CN108183538A (en) * | 2018-01-29 | 2018-06-19 | 新日(无锡)发展有限公司 | A kind of lithium battery quick charging system |
| CN108365653A (en) * | 2018-03-16 | 2018-08-03 | 新日(无锡)发展有限公司 | A kind of new-energy automobile accumulator cell charging and discharging monitoring system |
| CN108382248A (en) * | 2018-03-27 | 2018-08-10 | 新日(无锡)发展有限公司 | A kind of battery management system based on bq77910 controller new-energy automobiles |
| CN108462235A (en) * | 2018-03-27 | 2018-08-28 | 新日(无锡)发展有限公司 | A kind of new-energy automobile storage battery power supply Optimal Control System |
| CN108845525A (en) * | 2018-06-26 | 2018-11-20 | 郭晓亮 | A kind of cabinet switch controlling device and its send access method |
| CN109901539A (en) * | 2019-03-27 | 2019-06-18 | 辽东学院 | A kind of man-machine interactive system and its control method applied to smart home |
| CN109900950A (en) * | 2019-04-04 | 2019-06-18 | 上海南芯半导体科技有限公司 | A kind of high-precision continuous time bidirectional current sample circuit and implementation method |
| CN109982041A (en) * | 2019-03-29 | 2019-07-05 | 辽东学院 | A kind of image procossing tracking system and its image tracking method |
| CN110036169A (en) * | 2019-03-06 | 2019-07-19 | 深圳市汇顶科技股份有限公司 | Lockset state monitoring apparatus, method, lockset driving device and lock assembly |
| CN110176791A (en) * | 2018-02-21 | 2019-08-27 | 株式会社自动网络技术研究所 | Power supply control apparatus |
| CN110190646A (en) * | 2019-05-30 | 2019-08-30 | 中电九天智能科技有限公司 | A kind of electricity-saving type warehouse logistics robot |
| CN111551789A (en) * | 2020-06-30 | 2020-08-18 | 重庆长安新能源汽车科技有限公司 | Insulation detection module, power battery insulation detection device and method and vehicle |
| CN111579911A (en) * | 2020-05-29 | 2020-08-25 | 广州思林杰网络科技有限公司 | Program-controlled power supply device and control method thereof |
| CN112000165A (en) * | 2020-04-24 | 2020-11-27 | 昆山启康医疗器械有限公司 | Graded adjustable constant current source with high-voltage output capability |
| CN112037460A (en) * | 2020-08-22 | 2020-12-04 | 深圳市海曼科技股份有限公司 | Smoke alarm with battery state one-way switching function |
| CN114400900A (en) * | 2022-01-21 | 2022-04-26 | 西安微电子技术研究所 | Constant-current short-circuit protection circuit and method of flyback DC/DC converter and switching power supply |
| CN116749815A (en) * | 2023-08-08 | 2023-09-15 | 石家庄科林电气股份有限公司 | Charging pile control pilot signal generation and detection circuit and data processing method |
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Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107796412A (en) * | 2017-09-28 | 2018-03-13 | 无锡昊瑜节能环保设备有限公司 | A kind of on-vehicle positioning terminal with power supply optimization |
| CN108183538A (en) * | 2018-01-29 | 2018-06-19 | 新日(无锡)发展有限公司 | A kind of lithium battery quick charging system |
| CN110176791B (en) * | 2018-02-21 | 2023-03-21 | 株式会社自动网络技术研究所 | Power supply control device |
| CN110176791A (en) * | 2018-02-21 | 2019-08-27 | 株式会社自动网络技术研究所 | Power supply control apparatus |
| CN108365653A (en) * | 2018-03-16 | 2018-08-03 | 新日(无锡)发展有限公司 | A kind of new-energy automobile accumulator cell charging and discharging monitoring system |
| CN108382248A (en) * | 2018-03-27 | 2018-08-10 | 新日(无锡)发展有限公司 | A kind of battery management system based on bq77910 controller new-energy automobiles |
| CN108462235A (en) * | 2018-03-27 | 2018-08-28 | 新日(无锡)发展有限公司 | A kind of new-energy automobile storage battery power supply Optimal Control System |
| CN108845525A (en) * | 2018-06-26 | 2018-11-20 | 郭晓亮 | A kind of cabinet switch controlling device and its send access method |
| CN110036169A (en) * | 2019-03-06 | 2019-07-19 | 深圳市汇顶科技股份有限公司 | Lockset state monitoring apparatus, method, lockset driving device and lock assembly |
| US11536049B2 (en) | 2019-03-06 | 2022-12-27 | Shenzhen GOODIX Technology Co., Ltd. | Lock state monitoring apparatus, method, lock driving apparatus and lock assembly |
| CN109901539A (en) * | 2019-03-27 | 2019-06-18 | 辽东学院 | A kind of man-machine interactive system and its control method applied to smart home |
| CN109982041A (en) * | 2019-03-29 | 2019-07-05 | 辽东学院 | A kind of image procossing tracking system and its image tracking method |
| CN109900950A (en) * | 2019-04-04 | 2019-06-18 | 上海南芯半导体科技有限公司 | A kind of high-precision continuous time bidirectional current sample circuit and implementation method |
| CN110190646A (en) * | 2019-05-30 | 2019-08-30 | 中电九天智能科技有限公司 | A kind of electricity-saving type warehouse logistics robot |
| CN112000165B (en) * | 2020-04-24 | 2022-03-08 | 昆山启康医疗器械有限公司 | Graded adjustable constant current source with high-voltage output capability |
| CN112000165A (en) * | 2020-04-24 | 2020-11-27 | 昆山启康医疗器械有限公司 | Graded adjustable constant current source with high-voltage output capability |
| CN111579911B (en) * | 2020-05-29 | 2022-02-08 | 广州思林杰科技股份有限公司 | Program-controlled power supply device and control method thereof |
| CN111579911A (en) * | 2020-05-29 | 2020-08-25 | 广州思林杰网络科技有限公司 | Program-controlled power supply device and control method thereof |
| CN111551789A (en) * | 2020-06-30 | 2020-08-18 | 重庆长安新能源汽车科技有限公司 | Insulation detection module, power battery insulation detection device and method and vehicle |
| CN112037460A (en) * | 2020-08-22 | 2020-12-04 | 深圳市海曼科技股份有限公司 | Smoke alarm with battery state one-way switching function |
| CN112037460B (en) * | 2020-08-22 | 2022-02-18 | 深圳市海曼科技股份有限公司 | Smoke alarm with battery state one-way switching function |
| CN114400900A (en) * | 2022-01-21 | 2022-04-26 | 西安微电子技术研究所 | Constant-current short-circuit protection circuit and method of flyback DC/DC converter and switching power supply |
| CN114400900B (en) * | 2022-01-21 | 2024-05-17 | 西安微电子技术研究所 | Constant-current short-circuit protection circuit and method of flyback DC/DC converter and switching power supply |
| CN116749815A (en) * | 2023-08-08 | 2023-09-15 | 石家庄科林电气股份有限公司 | Charging pile control pilot signal generation and detection circuit and data processing method |
| CN116749815B (en) * | 2023-08-08 | 2023-10-20 | 石家庄科林电气股份有限公司 | Charging pile control pilot signal generation and detection circuit and data processing method |
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Application publication date: 20171229 |