CN106066458A - A kind of intelligent accumulator charge efficiency test device - Google Patents
A kind of intelligent accumulator charge efficiency test device Download PDFInfo
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- CN106066458A CN106066458A CN201610435446.6A CN201610435446A CN106066458A CN 106066458 A CN106066458 A CN 106066458A CN 201610435446 A CN201610435446 A CN 201610435446A CN 106066458 A CN106066458 A CN 106066458A
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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
- G01R31/3842—Arrangements for monitoring battery or accumulator variables, e.g. SoC combining voltage and current measurements
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- General Physics & Mathematics (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The open a kind of intelligent accumulator charge efficiency test device of the present invention, including auxiliary switching element (1,2,11,13), key control unit (4), man-machine interaction unit (5), drives detector unit (6,7), charging major loop (8), electric discharge major loop (9), accessory power supply (3), load (10) and battery (12).The present invention can realize constant current, constant voltage, pulse charging manner, can be manually set different discharge and recharge assembled schemes and judge battery termination charging modes, it is achieved to the charging of battery, volume test, efficiency test, repair function；Cell voltage, state-of-charge, charging and discharging currents can be monitored in real time, and related data is carried out real-time Transmission storage by RS232 communication interface and host computer, it is achieved the intellectuality of system.
Description
Technical field
The invention belongs to battery and use technical field, relate to a kind of intelligent accumulator charge efficiency test device.
Background technology
Increasingly serious along with environmental pollution and energy problem, electric automobile and generation of electricity by new energy technology are arisen at the historic moment, and two
Person be unable to do without the research and utilization to accumulator.Accumulator is as energy storage component, general in the standby power system of every profession and trade
All over application.The charge efficiency (also referred to as ampere hour efficiency) of accumulator refers under prescribed conditions, be given during battery discharging
Electricity and the ratio returning to initial state of charge institute subfam. Spiraeoideae.At present, not to filling in the most existing accumulator standard
Electrical efficiency test formulates specific requirement, so seldom detecting accumulator charge efficiency.But, the charging of different batteries
Efficiency is different, if the most not considering charge efficiency, can affect service lifetime of accumulator, especially accumulator not exclusively
Run under charged state or under deep discharge conditions, bigger to its aging effects.The solar energy photovoltaic system nowadays studied,
Intelligent grid, distributed power generation, all many-sides such as the electric automobile charging station charge efficiency to accumulator of charge and discharge storage integration
All have high requirements.Understand the factors affecting accumulator charge efficiency, service life, accumulator charge efficiency is surveyed
Examination, to improving its charge efficiency, increases the service life necessary.Therefore, the test to accumulator charge efficiency has weight
The theory significance wanted and practical value.
Summary of the invention
It is an object of the invention to provide a kind of intelligent charging efficiency test device being applicable to all kinds of accumulator.For realizing
Above-mentioned purpose, the technical solution used in the present invention is:
A kind of intelligent accumulator charge efficiency test device, including auxiliary switching element (1,2,11,13), key control unit
(4), man-machine interaction unit (5), driving detector unit (6,7), charging major loop (8), electric discharge major loop (9), accessory power supply
(3), loading (10) and battery (12), described auxiliary switch (1) is connected control with described accessory power supply (3), and it is described core control
Unit processed (4), man-machine interaction unit (5), driving detector unit (6,7) power supply, described accessory power supply (3) connects described core control
Unit processed (4), described key control unit (4) is connected with described man-machine interaction unit (5), driving detector unit (6,7), described
Driving detector unit (6,7) to be connected with charging major loop (8), electric discharge major loop (9), described discharge and recharge major loop (8) connects institute
Stating auxiliary switch (11), described auxiliary switch (11) connects described battery (12), and described battery (12) connects described auxiliary switch
(13), described auxiliary switch (13) connects described electric discharge major loop (9), and described load (10) is with described electric discharge major loop (9) even
Connect.Described accessory power supply (3) is connected as it with key control unit (4), man-machine interaction unit (5), driving detector unit (6,7)
Power supply, key control unit (4) is connected, with man-machine interaction unit (5), driving detector unit (6,7), the charge and discharge realized accumulator
Electric control and have the display record of related parameter, state, described driving detector unit (6,7) is connected with discharge and recharge major loop (8,9)
Realizing the transmission of driving pulse and sampled signal, the electric discharge that described load (10) is connected as accumulator with electric discharge major loop provides back
Road.
Described auxiliary switching element (1) uses three foot ship type Illuminated Switch, is responsible for controlling the break-make in loop；Auxiliary switch list
Unit (2) uses DZ47-63C10 sky to open, and is responsible for the break-make of charging major loop；Auxiliary switching element (11) and (13) all use SLA-
05VDC-SL-A type relay, is each responsible for the selection of charging/discharging function.
Described key control unit (4) uses the minimum system with TMS320F28335 as core.
Described man-machine interaction unit (5) by LCD12864 liquid crystal, 4*4 matrix keyboard, AT24C12 storage chip and
RS232 communication interface forms.
In described driving detector unit, (6) are the driving detector units of charge circuit, and (7) are the driving detection of discharge loop
Unit.Drive circuit includes that the driving of relay, MOSFET, detection include voltage x current, DC input voitage electric current, direct current
The sampling of output voltage current parameters.
In described discharge and recharge major loop, (8) are charging major loop, and (9) are electric discharge major loop.Charging major loop is become by blood pressure lowering
Depressor, AC/DC and DC/DC Buck changer form；Electric discharge major loop is made up of DC/DC Boost.
Described accessory power supply (3) system includes controlling power supply +/-15V, and+5V ,+3.3V ,+3V and isolation drive power supply+
15V ,-15V and+5V.
Described load (10) uses the adjustable resistance case of 70 Ω/1.5KW.
The technique effect that the present invention reaches is as follows:
Accumulator the most of the present invention fills efficiency test device, multiple functional, stable, simple to operate.
2. system is using TMS320F28335 as control core, can realize constant current, constant voltage, pulse charge and discharge system, and can
To be manually set different discharge and recharge assembled schemes and to judge that battery terminates charging modes, it is achieved charging, the capacity to accumulator
Test, efficiency test.
3. can monitor the voltage of battery, state-of-charge (SOC), charging and discharging currents in real time, and related data can be passed through
RS232 communication interface and host computer carry out real-time Transmission storage, it is achieved that the intellectuality of system.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described.
Fig. 1 is that one intelligent accumulator charge efficiency of the present invention tests apparatus structure schematic diagram.
Fig. 2 is that one intelligent accumulator charge efficiency of the present invention tests device operating diagram.
Numeral and the corresponding component title represented by letter in figure:
1. auxiliary switching element, 2. auxiliary switching element, 11. auxiliary switching elements, 13. auxiliary switching elements, 3. accessory power supply,
4. key control unit, 5. man-machine interaction unit, 6. drive detector unit, 7. drive detector unit, 8. charging major loop, 9. put
Electricity major loop, 10. load and 12. batteries.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and be easy to understand with effect, below knot
Conjunction is specifically illustrating, and the present invention is expanded on further.
A kind of intelligent accumulator charge efficiency test device, controls including auxiliary switching element (1,2,11,13), core
Unit (4), man-machine interaction unit (5), driving detector unit (6,7), charging major loop (8), electric discharge major loop (9), auxiliary electricity
Source (3), load (10) and battery (12), described auxiliary switch (1) is connected control with described accessory power supply (3), and it is described core
Control unit (4), man-machine interaction unit (5), driving detector unit (6,7) power supply, described accessory power supply (3) connects described core
Control unit (4), described key control unit (4) is connected with described man-machine interaction unit (5), driving detector unit (6,7), institute
Stating driving detector unit (6,7) to be connected with charging major loop (8), electric discharge major loop (9), described discharge and recharge major loop (8) connects
Described auxiliary switch (11), described auxiliary switch (11) connects described battery (12), and described battery (12) connects described auxiliary and opens
Closing (13), described auxiliary switch (13) connects described electric discharge major loop (9), described load (10) and described electric discharge major loop (9)
Connect.Described accessory power supply (3) is connected as with key control unit (4), man-machine interaction unit (5), driving detector unit (6,7)
Its power supply, key control unit (4) is connected realization with man-machine interaction unit (5), driving detector unit (6,7) and fills accumulator
Control of discharge and the display record having related parameter, state, described driving detector unit (6,7) is with discharge and recharge major loop (8,9) even
Connecing the transmission realizing driving pulse and sampled signal, the electric discharge that described load (10) is connected as accumulator with electric discharge major loop provides
Loop.
Man-machine interaction unit (5) is made up of matrix keyboard and the LCD12864 liquid crystal of 4*4；LCD KEY1 connects man-machine interaction list
Unit controls control system with core, and R1 ~ R4 is pull down resistor, prevents interference from increasing system stability；Storage chip uses
AT24C16；RS232 directly uses communication interface on DSP minimum system plate.
Driver element (6,7) includes two-way MOSFET and two-way relay.MOSFET drives by photoisolator U1
(PC923), R6(510 Ω), R8(3 Ω), R9(10K Ω) and D1(1N4148) composition, PWM_OUT+ and PWM_OUT-and charge and discharge
In electricity major loop, the grid source electrode of power MOSFET is connected, and+15V* and-15V* is connected with accessory power supply power-supply system；Relay drives
Dynamic by normal light electric isolator U2(PC923), NPN type triode 9013 and other peripheral cell form, R5 and D3 realizes relay
Device Guan Bi instruction function ,+5V* and S_OUT is connected with the coil of relay；PWM_IN and S_IN is all with key control unit even
Connect.Detector unit includes three road voltage samples and three road current samples, includes Buck circuit input voltage electric current, accumulator respectively
Voltage x current, Boost circuit output voltage electric current.Every road by Hall voltage/current sensor, LF353 operational amplifier and
Peripheral cell forms；Every road signal is all through homophase follower, second order voltage controlled voltage source mode filter, RC wave filter and two-way limit
It is input to key control unit after width circuit.
Accessory power supply (3) system include control power supply +/-15V ,+5V ,+3.3V ,+3V and isolation drive power supply+15V ,-
15V and+5V.Controlling +/-15V in power supply to be provided by Switching Power Supply ,+5V is produced by LM2575 switching power source chip ,+3.3V by
AMS1117 voltage stabilizing chip produces, and+3V is produced by TL431 voltage stabilizing chip；In isolation drive power supply, +/-15V MOSFET drives electricity
Source is produced by the DC-DC module power source of WRA1215CS-3W, and+5V relay drives power supply by the DC-DC mould of WRB1205CS-3W
Block power supply produces.
Charging major loop (8) is made up of step-down transformer, AC/DC commutator and DC/DC Buck changer.Transformator selects
Select the power frequency step-down transformer of 2KW (4:1)；AC/DC circuit is by single-phase QL-100A-16, electrochemical capacitor, ceramic disc capacitor and instruction
Circuit forms；Buck changer is by IXTQ200N10T power MOSFET, fly-wheel diode RURU10600, absorbing circuit, magnet ring
Inductance L6, filter capacitor and load composition.
Electric discharge major loop (9) uses DC/DC Boost.It is mainly by energy storage magnet ring inductance L7, IXTQ200N10T
Power MOSFET, fly-wheel diode RURU10600, absorbing circuit, filter circuit, varistor and load composition.
The system work process of the present invention is as follows: first manual closing switch (1), powers on to whole control system；Then
Control system carries out various initialization, and carries out function selecting by liquid crystal tip, including charging, electric discharge, charge efficiency test.
If selection charge function, system can be pointed out and be charged way choice, including modified constant-voltage charge, constant current limit
Pressure charging, intelligence three stage charging system, pulse charge and charging modes combination, acquiescence uses intelligence three stage charging system mode；Select
After charging modes, system can point out the setting carrying out various parameter, including charging voltage, charging current, final voltage, termination electricity
Stream, charging interval, it is filled with capacity；After setting up parameter, system prompt Guan Bi major loop switch (2)；After Guan Bi switch (2), it is
System gathers cell voltage and Buck circuit input voltage and shows, data normally rear system can close normally opened relay automatically
(11), battery is charged experiment, gathers charging voltage, charging current simultaneously, record the charging interval, calculate and filled capacity；
When being automatically stopped charging when any one of following condition meets: the time to, capacity to, final voltage to, terminate electric current and arrive；Fill
After electricity terminates, the data gathered can be stored in the storage chip of control system, it is possible to the data of collection are led to by RS232
Letter interface is sent in PC, after supporting data processing software processes, shows various chart.
If selection discharging function, system can use constant-current discharge mode；Then various parameter setting is carried out, including electric discharge
Electric current, final voltage, termination electric current, discharge time, discharge capacity；After setting up parameter, system can close normally opened relay automatically
Device (13), carries out discharge test to battery, gathers discharge voltage, discharge current simultaneously, records discharge time, calculates and has put appearance
Amount；When being automatically stopped charging when any one of following condition meets: the time to, capacity to, final voltage to, terminate electric current
Arrive；After electric discharge terminates, the data gathered can be stored in the storage chip of control system, it is possible to the data of collection are passed through
RS232 communication interface is sent in PC, after supporting data processing software processes, shows various chart.
If selecting charge efficiency test function, system can be pointed out selection charge and discharge system successively, and carry out relevant parameter
Setting；Then automatically carry out charge and discharge cycles test according to the parameter arranged, and calculate the charge efficiency that storage is each, finally
It is transmitted storage, it is achieved the intellectuality of charge efficiency test by RS232 communication.
The foregoing describe the ultimate principle of the present invention, principal character and advantage.Skilled person will appreciate that of the industry, this
Invention is not restricted to the described embodiments, and the principle that the present invention is simply described described in above-described embodiment and description, not
On the premise of departing from spirit and scope of the invention, the present invention also has various changes and modifications, and these changes and improvements both fall within
In scope of the claimed invention.Claimed scope is defined by appending claims and equivalent thereof.
Claims (10)
1. intelligent accumulator charge efficiency test device, it is characterised in that: include auxiliary switching element (1,2,11,
13), key control unit (4), man-machine interaction unit (5), driving detector unit (6,7), charging major loop (8), electric discharge are led back
Road (9), accessory power supply (3), load (10) and battery (12), described auxiliary switch (1) is connected control with described accessory power supply (3)
It is described key control unit (4), man-machine interaction unit (5), drives detector unit (6,7) power supply, described accessory power supply (3)
Connect described key control unit (4), described key control unit (4) and described man-machine interaction unit (5), driving detector unit
(6,7) connect, and described driving detector unit (6,7) is connected with charging major loop (8), electric discharge major loop (9), described discharge and recharge master
Loop (8) connects described auxiliary switch (11), and described auxiliary switch (11) connects described battery (12), and described battery (12) connects
Described auxiliary switch (13), described auxiliary switch (13) connects described electric discharge major loop (9), described load (10) and described electric discharge
Major loop (9) connects.
A kind of intelligent accumulator charge efficiency test device, it is characterised in that: described auxiliary is opened
Closing unit (2) to switch for charging major loop, one end connects civil power, and the other end connects described driving detector unit (6,7) and charging
Major loop (8) and electric discharge major loop (9).
A kind of intelligent accumulator charge efficiency test device, it is characterised in that: described auxiliary electricity
Source (3) is also connected with driving detector unit (6,7).
A kind of intelligent accumulator charge efficiency test device, it is characterised in that: described auxiliary is opened
Closing unit (11) is charge relay, and described auxiliary switching element (13) is electric discharge relay.
A kind of intelligent accumulator charge efficiency test device, it is characterised in that: described core control
Unit processed (4) uses TMS320F28335 floating type dsp chip.
A kind of intelligent accumulator charge efficiency test device, it is characterised in that: described man-machine friendship
Unit (5) is made up of liquid crystal display, matrix keyboard, AT24C16 storage chip and RS232 communication interface mutually.
A kind of intelligent accumulator charge efficiency test device, it is characterised in that: described driving is examined
Surveying unit (6) is that charge circuit drives detector unit, and described driving detector unit (7) is that discharge loop drives detector unit.
A kind of intelligent accumulator charge efficiency test device, it is characterised in that: described driving is examined
Survey in unit (6) and (7) and be driven to PC923 photoelectric isolated chip；Sensor used by described driving detector unit (6) and (7) is
High-precision hall voltage/current sensor.
A kind of intelligent accumulator charge efficiency test device, it is characterised in that: described charging is main
Loop (8) is made up of step-down transformer, AC/DC+DC/DC Buck changer.
A kind of intelligent accumulator charge efficiency test device, it is characterised in that: described electric discharge
Major loop (9) is made up of DC/DC Boost.
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| CN201610435446.6A CN106066458A (en) | 2016-06-17 | 2016-06-17 | A kind of intelligent accumulator charge efficiency test device |
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| CN201610435446.6A CN106066458A (en) | 2016-06-17 | 2016-06-17 | A kind of intelligent accumulator charge efficiency test device |
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| CN201610435446.6A Pending CN106066458A (en) | 2016-06-17 | 2016-06-17 | A kind of intelligent accumulator charge efficiency test device |
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Cited By (5)
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| CN106646246A (en) * | 2016-11-16 | 2017-05-10 | 安徽锐能科技有限公司 | Detection system and method for main control module of battery management system |
| CN107271914A (en) * | 2017-07-11 | 2017-10-20 | 北京零极中盛科技有限公司 | A kind of battery on-line measuring device |
| CN108490368A (en) * | 2018-07-02 | 2018-09-04 | 桂林电子科技大学 | A kind of charging and discharging lithium battery test device and method |
| CN110133521A (en) * | 2019-05-31 | 2019-08-16 | 重庆大学 | A kind of efficient multi-channel battery capacity test system and its working method |
| CN114280486A (en) * | 2021-12-30 | 2022-04-05 | 迪卡龙(青岛)电子有限公司 | Negative voltage battery tester and application method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106646246A (en) * | 2016-11-16 | 2017-05-10 | 安徽锐能科技有限公司 | Detection system and method for main control module of battery management system |
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| CN110133521B (en) * | 2019-05-31 | 2020-05-26 | 重庆大学 | Efficient multi-channel battery capacity testing system and working method thereof |
| CN114280486A (en) * | 2021-12-30 | 2022-04-05 | 迪卡龙(青岛)电子有限公司 | Negative voltage battery tester and application method thereof |
| CN114280486B (en) * | 2021-12-30 | 2024-05-28 | 迪卡龙(青岛)电子有限公司 | Negative voltage battery tester and use method thereof |
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