CN207866998U - A kind of accumulator cell charging and discharging on-line monitoring system - Google Patents
A kind of accumulator cell charging and discharging on-line monitoring system Download PDFInfo
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- CN207866998U CN207866998U CN201820143634.6U CN201820143634U CN207866998U CN 207866998 U CN207866998 U CN 207866998U CN 201820143634 U CN201820143634 U CN 201820143634U CN 207866998 U CN207866998 U CN 207866998U
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Abstract
The utility model discloses a kind of accumulator cell charging and discharging on-line monitoring systems, including lightning protection circuit, two-way BUCK BOOST converters, accumulator, the first current detection circuit, first voltage detection circuit, PWM drive circuit, processor, the second current detection circuit, second voltage detection circuit, short-circuit protection circuit, current-limiting protection circuit, over under-voltage protection circuit, temperature sensing circuit, GAN communication modules, display circuit and host computer.The utility model, which can be realized, charges to accumulator fast and stable, and is monitored in real time to electrical parameter, to extend service lifetime of accumulator, has saved cost.
Description
Technical field
The utility model is related to accumulator monitoring technical field, especially a kind of accumulator cell charging and discharging on-line monitoring system.
Background technology
Environmental pollution and energy crisis become the two large problems developed instantly, therefore motorcar electric technology is with its green ring
The unique advantages such as guarantor, energy-saving and emission-reduction have obtained extensive research.Key point of the battery as motorcar electric technology, property
There can be significant impact to the safe to use and development prospect of electric vehicle.It is different and slightly poor with the type of electric vehicle
It is different.In the only pure electric automobile of equipment accumulator, the effect of accumulator is the sole power source of automobile driving system.And it is filling
For standby conventional engines (or fuel cell) with the hybrid vehicle of accumulator, accumulator can both play the part of automobile driving system master
The role for wanting power source also acts as the role of auxiliary power source.It can be seen that in low speed and startup, what accumulator was played the part of is automobile
The role of drive system main power source;When full load accelerates, it is acting as the role of auxiliary power source;In normally travel or
The role of storage energy is acting as when slowing down, braking.
The advantages that battery of electric vehicle is high with its energy density, service life is long, environmentally protective, in communications and transportation and work
The fields such as industry production are all widely used.However, battery is during charge and discharge cycles use, by temperature, self-discharge rate, electric discharge
The influence of the factors such as depth, discharge-rate, capacity and service life constantly decay.When battery capacity falls to the 70% of initial capacity
When, the performance of battery will be unable to meet power supply technique requirement, it is necessary to be maintained or replaced, otherwise can be brought to industrial production sternly
The harm of weight.Therefore, it is necessary to which the remaining life to battery of electric vehicle is analyzed and researched, to maximally utilise battery
Residual capacity, ensure enterprise safety operation.Battery has environmentally protective, recycles that a year limit for length, storage yield is high, volume weight
The advantages that small is measured, as important one of emerging energy, is widely used in the industrial production.Battery pack is being followed
It will appear in the ring course of work as monomer temperature is excessively high, electric current is excessive, overdischarge and situations such as overcharge, and then leads to battery
The lost of life, or even cause the safety accidents such as battery explosion.It is therefore desirable to the operating statuses to battery of electric vehicle to carry out in real time
Monitoring and management, to improve the reliability and the degree of automation of power supply system, guarantee safe production.
It is used in photovoltaic system currently without special accumulator, therefore some defects of lead-acid accumulator itself, it is such as resistance to
It overcharges and crosses exoergic force difference with resistance to, it is all the more apparent in photovoltaic generating system.Since photovoltaic generating system randomness is strong, stability
Difference, therefore it is difficult to ensure that accumulator carries out regularly charge and discharge.
Invention content
Technical problem to be solved in the utility model is overcome the deficiencies in the prior art and provides a kind of accumulator charge and discharge
Electric on-line monitoring system, the utility model, which can be realized, charges to accumulator fast and stable, and is monitored in real time to electrical parameter,
To extend service lifetime of accumulator, cost has been saved.
The utility model uses following technical scheme to solve above-mentioned technical problem：
According to the utility model proposes a kind of accumulator cell charging and discharging on-line monitoring system, including it is lightning protection circuit, two-way
BUCK-BOOST converters, accumulator, the first current detection circuit, first voltage detection circuit, PWM drive circuit, processor,
Second current detection circuit, second voltage detection circuit, short-circuit protection circuit, current-limiting protection circuit, over under-voltage protection circuit, temperature
Spend detection circuit, GAN communication modules, display circuit and host computer；Wherein,
The input terminal of alternating current and lightning protection circuit connects, and the output end of lightning protection circuit is defeated with two-way BUCK-BOOST converters
Enter end, the input terminal of the input terminal of the first current detection circuit, first voltage detection circuit is separately connected, two-way BUCK-BOOST
The output end of converter and the input terminal of accumulator, the input terminal of the second current detection circuit, second voltage detection circuit it is defeated
Enter end, the input terminal of short-circuit protection circuit, the input terminal of current-limiting protection circuit, over under-voltage protection circuit input terminal connect respectively
Connect, the connection of the input terminal of accumulator and temperature sensing circuit, the output end of temperature sensing circuit, the first current detection circuit it is defeated
The output of outlet, the output end of first voltage detection circuit, the output end of the second current detection circuit, second voltage detection circuit
End, the output end of short-circuit protection circuit, the output end of current-limiting protection circuit, over under-voltage protection circuit output end respectively with processing
The input terminal of device connects, the output end of processor and the input terminal of PWM drive circuit, the input terminal of display circuit, CAN communication mould
The input terminal of block is separately connected, and the output end of PWM drive circuit is connect with the input terminal of two-way BUCK-BOOST converters, CAN
The output end of communication module and the input terminal of host computer connect.
Scheme is advanced optimized as a kind of accumulator cell charging and discharging on-line monitoring system described in the utility model, it is two-way
BUCK-BOOST converters include the first capacitance, the second capacitance, first switch pipe, second switch pipe, inductance, the first diode and
Second diode, one end of the first capacitance and the drain electrode of the cathode, first switch pipe of the first diode are separately connected, first switch
The cathode of source electrode and the first diode, one end of inductance, the cathode of the second diode, second switch pipe source electrode connect respectively
It connects, one end of the anode and the drain electrode of second switch pipe, the other end of the first capacitance, the second capacitance of the second diode connects respectively
It connects, the other end of the second capacitance and the other end of inductance connect.
Scheme, temperature inspection are advanced optimized as a kind of accumulator cell charging and discharging on-line monitoring system described in the utility model
Slowdown monitoring circuit includes DS18B20 temperature sensors and resistance, the first pin ground connection of DS18B20 temperature sensors, DS18B20 temperature
One end of the second pin of sensor and resistance connects, the other end of resistance and+5V power supplys, DS18B20 temperature sensors the
Three pins are separately connected.
Scheme, display electricity are advanced optimized as a kind of accumulator cell charging and discharging on-line monitoring system described in the utility model
Road is LCD liquid crystal display screen.
Scheme, processor are advanced optimized as a kind of accumulator cell charging and discharging on-line monitoring system described in the utility model
For microcontroller.
The utility model has the following technical effects using above technical scheme is compared with the prior art：
（1）The utility model, which can be realized, charges to accumulator fast and stable, and is monitored in real time to electrical parameter, to
Service lifetime of accumulator is extended, cost has been saved；
（2）The utility model accumulator cell charging and discharging on-line monitoring system can effectively improve accumulator cell charging and discharging efficiency, can
It realizes efficient quick charge, extends the life of storage battery, to greatly save cost, there is good application prospect.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Specific implementation mode
The technical solution of the utility model is described in further detail below in conjunction with the accompanying drawings：
As shown in Figure 1, a kind of accumulator cell charging and discharging on-line monitoring system, including lightning protection circuit, two-way BUCK-BOOST become
Parallel operation, accumulator, the first current detection circuit, first voltage detection circuit, PWM drive circuit, processor, the second current detecting
Circuit, second voltage detection circuit, short-circuit protection circuit, current-limiting protection circuit, over under-voltage protection circuit, temperature sensing circuit,
GAN communication modules, display circuit and host computer；Wherein,
The input terminal of alternating current and lightning protection circuit connects, and the output end of lightning protection circuit is defeated with two-way BUCK-BOOST converters
Enter end, the input terminal of the input terminal of the first current detection circuit, first voltage detection circuit is separately connected, two-way BUCK-BOOST
The output end of converter and the input terminal of accumulator, the input terminal of the second current detection circuit, second voltage detection circuit it is defeated
Enter end, the input terminal of short-circuit protection circuit, the input terminal of current-limiting protection circuit, over under-voltage protection circuit input terminal connect respectively
Connect, the connection of the input terminal of accumulator and temperature sensing circuit, the output end of temperature sensing circuit, the first current detection circuit it is defeated
The output of outlet, the output end of first voltage detection circuit, the output end of the second current detection circuit, second voltage detection circuit
End, the output end of short-circuit protection circuit, the output end of current-limiting protection circuit, over under-voltage protection circuit output end respectively with processing
The input terminal of device connects, the output end of processor and the input terminal of PWM drive circuit, the input terminal of display circuit, CAN communication mould
The input terminal of block is separately connected, and the output end of PWM drive circuit is connect with the input terminal of two-way BUCK-BOOST converters, CAN
The output end of communication module and the input terminal of host computer connect.
Two-way BUCK-BOOST converters include the first capacitance, the second capacitance, first switch pipe, second switch pipe, inductance,
First diode and the second diode, one end of the first capacitance and the drain electrode of the cathode, first switch pipe of the first diode are distinguished
Connection, cathode, one end of inductance, the cathode of the second diode, the second switch pipe of the source electrode of first switch and the first diode
Source electrode be separately connected, anode and the drain electrode of second switch pipe, the other end of the first capacitance, the second capacitance of the second diode
One end is separately connected, and the other end of the second capacitance and the other end of inductance connect.
Temperature sensing circuit includes DS18B20 temperature sensors and resistance, and the first pin of DS18B20 temperature sensors connects
Ground, the second pin of DS18B20 temperature sensors and one end of resistance connect, the other end and+5V power supplys, the DS18B20 of resistance
The third pin of temperature sensor is separately connected.
Display circuit is LCD liquid crystal display screen, and processor is microcontroller.
Lightning protection circuit be used for protect input electric current, two-way BUCK-BOOST converters for realizing accumulator charging with
Discharging function, when charging a battery, two-way BUCK-BOOST converters are operated under Buck patterns, double when battery discharging
BUCK-BOOST converters are operated under Boost patterns；First current detection circuit, first voltage detection circuit respectively will be two-way
The first current value and the first voltage value of BUCK-BOOST converter input terminals are exported to processor；Second current detection circuit,
Second voltage detection circuit respectively by the second current value of two-way BUCK-BOOST converter output terminals, second voltage value export to
Processor；When charging, two-way BUCK-BOOST converters export constant charging current and charge to accumulator, two-way
The output port of BUCK-BOOST converters is equipped with short-circuit protection circuit, current-limiting protection circuit, over under-voltage protection circuit, effectively
It prevents because of external short circuit, reversal connection and output voltage are excessively high, the damage to accumulator；Temperature sensing circuit is used for accumulator temperature
Degree output is to handling, and processor is for judging when battery temp exception（Not in preset threshold range）, driven through PWM
Circuit stops accumulator cell charging and discharging, provides reliably protecting；Processor drives electricity according to each electric current, the voltage value of reception to PWM
Road sends out charge and discharge instruction；To realize the charge and discharge to accumulator；Electric current, voltage and the temperature number that processor monitors in real time
It is shown according to also by display circuit；And host computer is transmitted to by CAN communication module and is monitored.
The utility model, which can be realized, charges to accumulator fast and stable, and is monitored in real time to electrical parameter, to prolong
Service lifetime of accumulator has been grown, cost has been saved；The utility model accumulator cell charging and discharging on-line monitoring system can effectively improve storage
Battery efficiency can realize efficient quick charge, extend the life of storage battery, to greatly save cost, have very
Good application prospect.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is confined to these explanations.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, several simple deductions or replacement can also be made, should all be regarded
To belong to the scope of protection of the utility model.
Claims (5)
1. a kind of accumulator cell charging and discharging on-line monitoring system, which is characterized in that converted including lightning protection circuit, two-way BUCK-BOOST
Device, accumulator, the first current detection circuit, first voltage detection circuit, PWM drive circuit, processor, the second current detecting electricity
Road, second voltage detection circuit, short-circuit protection circuit, current-limiting protection circuit, over under-voltage protection circuit, temperature sensing circuit, GAN
Communication module, display circuit and host computer；Wherein,
The input terminal of alternating current and lightning protection circuit connects, the input of the output end of lightning protection circuit and two-way BUCK-BOOST converters
End, the input terminal of the first current detection circuit, first voltage detection circuit input terminal be separately connected, two-way BUCK-BOOST becomes
The input of the output end of parallel operation and the input terminal of accumulator, the input terminal of the second current detection circuit, second voltage detection circuit
End, the input terminal of short-circuit protection circuit, the input terminal of current-limiting protection circuit, over under-voltage protection circuit input terminal be separately connected,
The input terminal of accumulator and temperature sensing circuit connects, the output of the output end of temperature sensing circuit, the first current detection circuit
The output at end, the output end of first voltage detection circuit, the output end of the second current detection circuit, second voltage detection circuit
End, the output end of short-circuit protection circuit, the output end of current-limiting protection circuit, over under-voltage protection circuit output end respectively with processing
The input terminal of device connects, the output end of processor and the input terminal of PWM drive circuit, the input terminal of display circuit, CAN communication mould
The input terminal of block is separately connected, and the output end of PWM drive circuit is connect with the input terminal of two-way BUCK-BOOST converters, CAN
The output end of communication module and the input terminal of host computer connect.
2. a kind of accumulator cell charging and discharging on-line monitoring system according to claim 1, which is characterized in that two-way BUCK-
BOOST converter includes the first capacitance, the second capacitance, first switch pipe, second switch pipe, inductance, the first diode and second
Diode, one end of the first capacitance and the drain electrode of the cathode, first switch pipe of the first diode are separately connected, the source of first switch
The cathode of pole and the first diode, one end of inductance, the cathode of the second diode, second switch pipe source electrode be separately connected,
One end of the anode and the drain electrode of second switch pipe, the other end of the first capacitance, the second capacitance of two diodes is separately connected, and second
The other end of capacitance and the other end of inductance connect.
3. a kind of accumulator cell charging and discharging on-line monitoring system according to claim 1, which is characterized in that temperature sensing circuit
Including DS18B20 temperature sensors and resistance, the first pin of DS18B20 temperature sensors is grounded, DS18B20 temperature sensors
Second pin and one end of resistance connect, the other end of resistance and+5V power supplys, the third pin of DS18B20 temperature sensors
It is separately connected.
4. a kind of accumulator cell charging and discharging on-line monitoring system according to claim 1, which is characterized in that display circuit is
LCD liquid crystal display screen.
5. a kind of accumulator cell charging and discharging on-line monitoring system according to claim 1, which is characterized in that processor is monolithic
Machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820143634.6U CN207866998U (en) | 2018-01-29 | 2018-01-29 | A kind of accumulator cell charging and discharging on-line monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820143634.6U CN207866998U (en) | 2018-01-29 | 2018-01-29 | A kind of accumulator cell charging and discharging on-line monitoring system |
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| Publication Number | Publication Date |
|---|---|
| CN207866998U true CN207866998U (en) | 2018-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820143634.6U Active CN207866998U (en) | 2018-01-29 | 2018-01-29 | A kind of accumulator cell charging and discharging on-line monitoring system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108196201A (en) * | 2018-01-29 | 2018-06-22 | 新日(无锡)发展有限公司 | A kind of accumulator cell charging and discharging on-line monitoring system |
| CN109298352A (en) * | 2018-12-07 | 2019-02-01 | 安华智能股份公司 | A kind of battery pack real-time monitoring system |
-
2018
- 2018-01-29 CN CN201820143634.6U patent/CN207866998U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108196201A (en) * | 2018-01-29 | 2018-06-22 | 新日(无锡)发展有限公司 | A kind of accumulator cell charging and discharging on-line monitoring system |
| CN109298352A (en) * | 2018-12-07 | 2019-02-01 | 安华智能股份公司 | A kind of battery pack real-time monitoring system |
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