CN110398696A - Electric energy storage device cycle charge-discharge experimental rig - Google Patents
Electric energy storage device cycle charge-discharge experimental rig Download PDFInfo
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- CN110398696A CN110398696A CN201910655347.2A CN201910655347A CN110398696A CN 110398696 A CN110398696 A CN 110398696A CN 201910655347 A CN201910655347 A CN 201910655347A CN 110398696 A CN110398696 A CN 110398696A
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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]
- G01R31/371—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] with remote indication, e.g. on external chargers
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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]
- G01R31/385—Arrangements for measuring battery or accumulator variables
- G01R31/387—Determining ampere-hour charge capacity or SoC
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of electric energy storage device cycle charge-discharge experimental rigs comprising central processing unit, the first charge-discharge control unit, the second charge-discharge control unit, first sensor, second sensor and communication unit.Central processing unit is connect with the first charge-discharge control unit, the second charge-discharge control unit, first sensor, second sensor and communication unit respectively；First charge-discharge control unit and the second charge-discharge control unit are connect by test electric energy storage device and second by test electric energy storage device with first respectively；Communication unit is used to connect with data processing centre equipment.First is used during charge test for second by test electric energy storage device by the electric energy that test electric energy storage device exports during discharge test.Correspondingly, it second is used during charge test for first by test electric energy storage device by the electric energy that test electric energy storage device exports during discharge test, to realize recycling for energy, reduces the loss of energy.
Description
Technical field
The present invention relates to experimental technique field more particularly to a kind of electric energy storage device cycle charge-discharge experimental rigs.
Background technique
Currently, with the development of economy, people are higher and higher to energy saving requirement." energy-saving " " reinforced low-carbon
Action " is all hot topic in global all trades and professions.
It requires before electric energy storage device factory through overcharge and discharge test, to ensure the stability of equipment and reliable
Property.
In the prior art, the charge test of electric energy storage device and discharge test are completed using two experimental rigs.This two
Experimental rig is respectively charge test device and discharge test device.Charge test device directly use power grid converting electrical energy to
Electric energy storage device charging, electric discharge device directly consume the electric energy of electric energy storage device using the power termination of electrical adjustment.As it can be seen that existing
The charge test and discharge test of electric energy storage device are required to consume a large amount of electric energy, and electric energy storage device discharge test need using
Power termination generates a large amount of heat, causes test site to need secondary heat dissipation, needs to consume mass energy.
In consideration of it, it is necessary to provide a kind of clean energy-saving, power cycles utilize, can flexibly with experimental rig solve
The certainly above problem.
Summary of the invention
The technical problem to be solved is that how to reduce electric energy storage device in charge test and electric discharge examination for the embodiment of the present invention
Energy consumption during testing has reached energy-saving and environment-friendly requirement.
To solve the above-mentioned problems, the embodiment of the present invention proposes a kind of electric energy storage device cycle charge-discharge experimental rig, described
Electric energy storage device cycle charge-discharge experimental rig includes:
Central processing unit；
First charge-discharge control unit, first charge-discharge control unit include that the first discharge controller and first are filled
Electric controller, first discharge controller are connect with first charge controller；First discharge controller with it is described
Central processing unit connection, and for being connect with first by test electric energy storage device, according to the control signal of the central processing unit
Described first is adjusted by the discharge parameter of test electric energy storage device；First charge controller is connect with the central processing unit,
And for being connect with second by test electric energy storage device, according to the control signal of central processing unit adjustment second subject
Test the charge parameter of electric energy storage device；
Second charge-discharge control unit, second charge-discharge control unit include that the second discharge controller and second are filled
Electric controller, second discharge controller are connect with second charge controller；Second discharge controller with it is described
Central processing unit connection, and for being connect with described second by test electric energy storage device, according to the control of the central processing unit
Signal adjusts described second by the discharge parameter of test electric energy storage device；Second charge controller and the central processing unit connect
It connects, and for being connect with described first by test electric energy storage device, according to the adjustment of the control signal of the central processing unit
First by the charge parameter of test electric energy storage device；
First sensor, the first sensor are connect with the central processing unit, and for being tested with described first
Electric energy storage device connection, with described in the control signal detection according to the central processing unit first by the test number of test electric energy storage device
According to；
Second sensor, the second sensor are connect with the central processing unit, and for being tested with described second
Electric energy storage device connection, with described in the control signal detection according to the central processing unit second by the test number of test electric energy storage device
According to；
Communication unit, the communication unit are connect with the central processing unit, for carrying out with data processing centre's equipment
Data communication.
Its further technical solution is that the electric energy storage device cycle charge-discharge experimental rig further includes supplement power supply, institute
Supplement power supply is stated to connect with first charge controller and second charge controller respectively.
Its further technical solution is that the electric energy storage device cycle charge-discharge experimental rig further includes power regulator,
The power regulator is connect with the supplement power supply and the central processing unit respectively.
Its further technical solution is that the electric energy storage device cycle charge-discharge experimental rig further includes AC inverter,
The AC inverter is connect with first discharge controller and second discharge controller respectively.
Its further technical solution is that the communication unit includes the first wireless transceiver, first wireless receiving and dispatching
Device is connect with the central processing unit；Data processing centre's equipment is connect with the second wireless transceiver；Described first is wireless
Transceiver is communicated wirelessly with second wireless transceiver.
Its further technical solution is that the communication unit includes data communication interface, the data communication interface with
The central processing unit connection, and for being connect with data processing centre's equipment.
Its further technical solution is that the electric energy storage device cycle charge-discharge experimental rig further includes operation indicator,
The operation indicator is connect with the central processing unit.
Its further technical solution is that the electric energy storage device cycle charge-discharge experimental rig further includes data storage,
The data storage is connect with the central processing unit.
Its further technical solution is that the first sensor includes voltage sensor, current sensor and temperature
Sensor.
Its further technical solution is that the second sensor includes voltage sensor, current sensor and temperature
Sensor.
The embodiment of the present invention proposes a kind of electric energy storage device cycle charge-discharge experimental rig, electric energy storage device cycle charge-discharge examination
Experiment device includes central processing unit, the first charge-discharge control unit, the second charge-discharge control unit, first sensor, the second biography
Sensor and communication unit.In the present embodiment, the first electric energy exported during discharge test by test electric energy storage device for
Second is used during charge test by test electric energy storage device.Correspondingly, second by test electric energy storage device in discharge test mistake
The electric energy exported in journey is used during charge test for first by test electric energy storage device, to realize the circulation of energy
It utilizes, reduces the loss of energy.Also, since the discharge test in electric energy storage device does not need to avoid using power termination
The generation of heat, test site are not necessarily to secondary heat dissipation.
Detailed description of the invention
Technical solution in order to illustrate the embodiments of the present invention more clearly, below will be to needed in embodiment description
Attached drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the invention, general for this field
For logical technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram for electric energy storage device cycle charge-discharge experimental rig that the embodiment of the present invention proposes；
Fig. 2 is a kind of structural representation for electric energy storage device cycle charge-discharge experimental rig that another embodiment of the present invention proposes
Figure.
Appended drawing reference
Electric energy storage device cycle charge-discharge experimental rig 10；First by test electric energy storage device 20；Second by test electric energy storage device
30；Data processing centre's equipment 40；Second wireless transceiver 50；Central processing unit 11；First charge-discharge control unit 12；Second
Charge-discharge control unit 13；First sensor 14；Second sensor 15；Communication unit 16；Supplement power supply 17；Power regulator
18；AC inverter 19；Operation indicator 120；Data storage 130；First discharge controller 121；First charge controller
122；Second charge controller 131；Second discharge controller 132；First wireless transceiver 161；Data communication interface 162.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, is clearly and completely retouched to the technical solution in embodiment
It states, similar reference numerals represent similar component in attached drawing.Obviously, will be described below embodiment is only the present invention one
Divide embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making
Every other embodiment obtained, shall fall within the protection scope of the present invention under the premise of creative work.
It should be appreciated that ought use in this specification and in the appended claims, term " includes " and "comprising" instruction
Described feature, entirety, step, operation, the presence of element and/or component, but one or more of the other feature, whole is not precluded
Body, step, operation, the presence or addition of element, component and/or its set.
It is also understood that in this embodiment of the present invention term used in the description merely for the sake of description particular implementation
Example purpose and be not intended to limit the embodiment of the present invention.Such as the institute in specification and appended book of the embodiment of the present invention
As use, other situations unless the context is clearly specified, otherwise " one " of singular, "one" and "the" are intended to wrap
Include plural form.
Referring to Fig. 1, the embodiment of the present invention proposes a kind of electric energy storage device cycle charge-discharge experimental rig 10, as seen from the figure, should
Electric energy storage device cycle charge-discharge experimental rig 10 includes central processing unit 11, the first charge-discharge control unit 12, the second charge and discharge
Control unit 13, first sensor 14, second sensor 15 and communication unit 16.
First charge-discharge control unit 12 includes the first discharge controller 121 and the first charge controller 122.First puts
Electric controller 121 is connect with the first charge controller 122.First discharge controller 121 is connect with central processing unit 11, and is used for
It is connect with first by test electric energy storage device 20.First discharge controller 121 can be adjusted according to the control signal of central processing unit 11
First by the discharge parameter of test electric energy storage device 20, to meet first by the requirement of the discharge test of test electric energy storage device 20.The
One charge controller 122 is connect with central processing unit 11, and for being connect with second by test electric energy storage device 30.First charging control
Device 122 processed can adjust second by the charge parameter of test electric energy storage device 30, to meet according to the control signal of central processing unit 11
Second by the requirement of the charge test of test electric energy storage device 30.In the present embodiment, first is tried by test electric energy storage device 20 in electric discharge
The electric energy exported during testing is used during charge test for second by test electric energy storage device 30, to reduce energy
Loss.
Second charge-discharge control unit 13 includes the second discharge controller 132 and the second charge controller 131.Second puts
Electric controller 132 is connect with the second charge controller 131.Second discharge controller 132 is connect with central processing unit 11, and is used for
It is connect with second by test electric energy storage device 30.Second discharge controller 132 can be adjusted according to the control signal of central processing unit 11
Second by the discharge parameter of test electric energy storage device 30, to meet second by the requirement of the discharge test of test electric energy storage device 30.The
Two charge controllers 131 are connect with central processing unit 11, and for being connect with first by test electric energy storage device 20.Second charging control
Device 131 processed can adjust first by the charge parameter of test electric energy storage device 20, to meet according to the control signal of central processing unit 11
First by the requirement of the charge test of test electric energy storage device 20.In the present embodiment, second is tried by test electric energy storage device 30 in electric discharge
The electric energy exported during testing is used during charge test for first by test electric energy storage device 20, to reduce energy
Loss.
First sensor 14 is connect with the central processing unit 11, and for being connect with first by test electric energy storage device 20.
First sensor 14 can be according to the control signal detection of central processing unit 11 first by the test number of test electric energy storage device 20
According to.Test data includes the data such as voltage, electric current and temperature.First sensor 14 may particularly include voltage sensor, electric current
Sensor and temperature sensor.
Second sensor 15 is connect with the central processing unit 11, and for being connect with second by test electric energy storage device 30.
Second sensor 15 can be according to the control signal detection of central processing unit 11 second by the test number of test electric energy storage device 30
According to.Test data includes the data such as voltage, electric current and temperature.Second sensor 15 may particularly include voltage sensor, electric current
Sensor and temperature sensor.
Communication unit 16 is connect with the central processing unit 11, and logical for carrying out data with data processing centre equipment 40
News.Collected test data is sent to data processing centre's equipment 40 by communication unit 16 by central processing unit 11.Communication
The communication modes of unit 16 include wireless communication mode and wire communication mode.Data processing centre's equipment 40 can be specially one
Computer equipment.
The embodiment of the present invention proposes a kind of electric energy storage device cycle charge-discharge experimental rig 10, the electric energy storage device cycle charge-discharge
Experimental rig 10 includes central processing unit 11, the first charge-discharge control unit 12, the second charge-discharge control unit 13, first sensing
Device 14, second sensor 15 and communication unit 16.In the present embodiment, first by test electric energy storage device 20 in discharge test process
The electric energy of middle output is used during charge test for second by test electric energy storage device 30.Correspondingly, it second is stored up by test
The electric energy that electric equipment 30 exports during discharge test is made during charge test for first by test electric energy storage device 20
With reducing the loss of energy to realize recycling for energy.Also, due to electric energy storage device discharge test not
Need to avoid the generation of heat using power termination, test site is not necessarily to secondary heat dissipation.
Referring to fig. 2, in some embodiments, such as the present embodiment, electric energy storage device cycle charge-discharge experimental rig 10 is also wrapped
Supplement power supply 17 is included, supplement power supply 17 is connect with the first charge controller 122 and the second charge controller 131 respectively.At this
In embodiment, if the electric energy storage device release electric energy of discharge test is not able to satisfy the test demand of the electric energy storage device of charge test,
Then additional electric energy will be provided to the electric energy storage device of charge test so as to meet electric energy storage device charge test from supplement power supply 17
Demand.
With continued reference to Fig. 2, in some embodiments, such as the present embodiment, electric energy storage device cycle charge-discharge experimental rig 10
It further include power regulator 18, power regulator 18 is connect with supplement power supply 17 and central processing unit 11 respectively.The present embodiment
In, it can be powered by supplement power supply 17 for electric energy storage device cycle charge-discharge experimental rig 10.
With continued reference to Fig. 2, in some embodiments, such as the present embodiment, electric energy storage device cycle charge-discharge experimental rig 10
Further include AC inverter 19, AC inverter 19 respectively with first discharge controller 121 and the second discharge controller
132 connections.In the present embodiment, if the electric energy storage device of charge test cannot collect the electric energy storage device release of discharge test completely
Electric energy, remaining electric energy will collect by battery or be sent into power grid by AC inverter 19 and recycled.
With continued reference to Fig. 2, in some embodiments, such as the present embodiment, communication unit 16 includes the first wireless transceiver
161, the first wireless transceiver 161 is connect with central processing unit 11.Correspondingly, data processing centre's equipment 40 and the second wireless receipts
Device 50 is sent out to connect.First wireless transceiver 161 is communicated wirelessly with the second wireless transceiver 50.
With continued reference to Fig. 2, in some embodiments, such as the present embodiment, communication unit 16 includes data communication interface
162, data communication interface 162 is connect with central processing unit 11, and for connecting with data processing centre equipment 40.Electric energy storage device
Cycle charge-discharge experimental rig 10 carries out wire communication by data communication interface 162 and data processing centre's equipment 40.
With continued reference to Fig. 2, in some embodiments, such as the present embodiment, electric energy storage device cycle charge-discharge experimental rig 10
It further include operation indicator 120, operation indicator 120 is connect with central processing unit 11.Operation indicator 120 is used to indicate storage
The working condition of equipment cycle charge-discharge experimental rig 10, working condition include normal condition and abnormality.Work instruction
Device 120 can be specially the equipment such as display or indicator light.
With continued reference to Fig. 2, in some embodiments, such as the present embodiment, electric energy storage device cycle charge-discharge experimental rig 10
It further include data storage 130, data storage 130 is connect with central processing unit 11.Data storage 130 is for storing test
Data.
In order to preferably explain the technical solution of the present embodiment, by the workflow of electric energy storage device cycle charge-discharge experimental rig
Journey is described as follows:
One, electric energy storage device cycle charge-discharge experimental rig cycle charge discharge electric test process
It is passed by the energy data of test electric energy storage device by first 1. being connected to and opening first by test electric energy storage device, first
Sensor is transmitted to central processing unit.
2. central processing unit passes through the data that monitor, and after verification data are normal, open the first discharge controller with
And first charge controller.At this point, first is carrying out discharge test by test electric energy storage device；Second by test electric energy storage device into
Row charge test.First is transported to the by the first discharge controller, the first charge controller by electric energy that testing equipment discharges
Two by test electric energy storage device.First sensor detection first is by the test data of testing equipment, and the test data that will test
It is transferred to central processing unit；Second sensor detection second is by the test data of testing equipment, and the test data that will test
It is transferred to central processing unit.
3. central processing unit is by adjusting the output power of the first discharge controller to adjust first by test electric energy storage device
Discharge parameter.
4. central processing unit is by adjusting the output power of the first charge controller to adjust second by test electric energy storage device
Charge parameter.
5. the data monitored are reported to data by the first wireless transceiver or data communication interface by central processing unit
Processing center.
6. data processing centre is analyzed and is saved to the data reported；Based on the analysis results, data processing centre is logical
It crosses wireless transceiver or data line and parameter adjustment instruction is issued to electric energy storage device cycle charge-discharge experimental rig.
7. electric energy storage device cycle charge-discharge experimental rig receives the parameter adjustment instruction of data processing centre's sending, saves and adjust
Parameter after whole, and corresponding controller (the first discharge controller or the first charge controller) is adjusted, and the data of monitoring are synchronous
It is reported to data processing centre.
8. after the completion of the above-mentioned test, central processing unit closes the according to the instruction of setup parameter or data processing centre
One discharge controller and the first charge controller, and open the second discharge controller and the second charge controller.At this point, the second quilt
It tests electric energy storage device and carries out discharge test, first carries out charge test by test electric energy storage device.
9. central processing unit adjusts second by test electric energy storage device by adjusting the output power of the second discharge controller
Discharge parameter.
10. central processing unit adjusts first by test electric energy storage device by adjusting the output power of the second charge controller
Charge parameter.
12. data report processing and control identical with front process 5-7, no longer it is elaborated herein.
13. loss caused by circuit and each electric energy storage device charging and discharging is provided by supplement power supply in above-mentioned test.
14. when AC inverter has monitored dump energy, automatically open AC inverter dump energy is passed through it is inverse
Pick-up enters power grid and recycles.
Two, the pure charge test process of electric energy storage device cycle charge-discharge experimental rig
1. central processing unit is opened according to the instruction of setup parameter or data processing centre, and after verification data are normal
First charge controller and the second charge controller, while giving the first tested electric energy storage device and the second tested electric energy storage device
Charging.
2. central processing unit adjusts the first tested electric energy storage device by adjusting the output power of the first charge controller
Charge parameter；The charging of the second tested electric energy storage device of adjustment is adjusted by adjusting the output power of the second charge controller
Parameter.
3. data report processing identical with cycle charge discharge electric test, no longer illustrate herein.
4. in above-mentioned pure charge test, the electric energy for the needs that charge is provided by supplement power supply.
Three, the pure discharge test process of electric energy storage device cycle charge-discharge experimental rig
1. central processing unit is opened according to the instruction of setup parameter or data processing centre, and after verification data are normal
First discharge controller and the second discharge controller, the first tested electric energy storage device and the second tested electric energy storage device start to discharge
Electric energy.
2. central processing unit adjusts the first tested electric energy storage device by adjusting the output power of the first discharge controller
Discharge parameter；The electric discharge of the second tested electric energy storage device of adjustment is adjusted by adjusting the output power of the second discharge controller
Parameter.
3. data report processing identical with cycle charge discharge electric test, no longer illustrate herein.
4. the electric energy of release is sent into power grid by AC inverter in above-mentioned pure discharge test.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, is not described in some embodiment
Part, reference can be made to the related descriptions of other embodiments.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, the even these modifications and changes of the present invention range that belongs to the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
The above is a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, any ripe
It knows those skilled in the art in the technical scope disclosed by the present invention, various equivalent modifications can be readily occurred in or replaces
It changes, these modifications or substitutions should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with right
It is required that protection scope subject to.
Claims (10)
1. a kind of electric energy storage device cycle charge-discharge experimental rig characterized by comprising
Central processing unit；
First charge-discharge control unit, first charge-discharge control unit include the first discharge controller and the first charging control
Device processed, first discharge controller are connect with first charge controller；First discharge controller and the center
Processor connection, and for being connect with first by test electric energy storage device, to be adjusted according to the control signal of the central processing unit
Described first by the discharge parameter of test electric energy storage device；First charge controller is connect with the central processing unit, and is used
In being connect with second by test electric energy storage device, to be stored up according to the control signal of central processing unit adjustment described second by test
The charge parameter of electric equipment；
Second charge-discharge control unit, second charge-discharge control unit include the second discharge controller and the second charging control
Device processed, second discharge controller are connect with second charge controller；Second discharge controller and the center
Processor connection, and for being connect with described second by test electric energy storage device, according to the control signal of the central processing unit
Described second is adjusted by the discharge parameter of test electric energy storage device；Second charge controller is connect with the central processing unit,
And for being connect with described first by test electric energy storage device, according to the control signal of central processing unit adjustment described first
By the charge parameter of test electric energy storage device；
First sensor, the first sensor are connect with the central processing unit, and are used for described first by test storage
Equipment connection, with described in the control signal detection according to the central processing unit first by the test data of test electric energy storage device；
Second sensor, the second sensor are connect with the central processing unit, and are used for described second by test storage
Equipment connection, with described in the control signal detection according to the central processing unit second by the test data of test electric energy storage device；
Communication unit, the communication unit are connect with the central processing unit, for carrying out data with data processing centre's equipment
Communication.
2. electric energy storage device cycle charge-discharge experimental rig according to claim 1, which is characterized in that the electric energy storage device follows
Ring charge/discharge testing device further includes supplement power supply, the supplement power supply respectively with first charge controller and described the
The connection of two charge controllers.
3. electric energy storage device cycle charge-discharge experimental rig according to claim 2, which is characterized in that the electric energy storage device follows
Ring charge/discharge testing device further includes power regulator, the power regulator respectively with the supplement power supply and the center
Processor connection.
4. electric energy storage device cycle charge-discharge experimental rig according to claim 1, which is characterized in that the electric energy storage device follows
Ring charge/discharge testing device further includes AC inverter, the AC inverter respectively with first discharge controller and institute
State the connection of the second discharge controller.
5. electric energy storage device cycle charge-discharge experimental rig according to claim 1, which is characterized in that the communication unit packet
The first wireless transceiver is included, first wireless transceiver is connect with the central processing unit；Data processing centre's equipment
It is connect with the second wireless transceiver；First wireless transceiver is communicated wirelessly with second wireless transceiver.
6. electric energy storage device cycle charge-discharge experimental rig according to claim 1, which is characterized in that the communication unit packet
Data communication interface is included, the data communication interface is connect with the central processing unit, and is used for and the data processing centre
Equipment connection.
7. electric energy storage device cycle charge-discharge experimental rig according to claim 1, which is characterized in that the electric energy storage device follows
Ring charge/discharge testing device further includes operation indicator, and the operation indicator is connect with the central processing unit.
8. electric energy storage device cycle charge-discharge experimental rig according to claim 1, which is characterized in that the electric energy storage device follows
Ring charge/discharge testing device further includes data storage, and the data storage is connect with the central processing unit.
9. electric energy storage device cycle charge-discharge experimental rig according to claim 1, which is characterized in that the first sensor
Including voltage sensor, current sensor and temperature sensor.
10. electric energy storage device cycle charge-discharge experimental rig according to claim 1, which is characterized in that second sensing
Device includes voltage sensor, current sensor and temperature sensor.
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| CN112994155A (en) * | 2021-02-26 | 2021-06-18 | 云南电网有限责任公司保山供电局 | Battery capacity checking method, system, computer equipment and storage medium |
| CN113336313A (en) * | 2021-06-04 | 2021-09-03 | 重庆大学 | Constructed wetland microbial fuel cell sewage treatment device |
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