CN103823190B - Comprehensive parameter testing device for large-capacity power battery and testing method of comprehensive parameter testing device - Google Patents
Comprehensive parameter testing device for large-capacity power battery and testing method of comprehensive parameter testing device Download PDFInfo
- Publication number
- CN103823190B CN103823190B CN201410088398.9A CN201410088398A CN103823190B CN 103823190 B CN103823190 B CN 103823190B CN 201410088398 A CN201410088398 A CN 201410088398A CN 103823190 B CN103823190 B CN 103823190B
- Authority
- CN
- China
- Prior art keywords
- cells
- switching switch
- module
- current
- switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The invention provides a comprehensive parameter testing device for a large-capacity power battery and a testing method of the comprehensive parameter testing device, belonging to the technical field of power battery detection and testing. The comprehensive parameter testing device is characterized in that a power supply is connected with a controllable constant-current direct-current power supply (2) by a power supply switch (1); the controllable constant-current direct-current power supply (2) and a charging/discharging switching module (3) are connected with each other; the charging/discharging switching module (3) and a battery pack module (4) are connected with each other; the battery pack module (4), a battery pack data acquisition module (5) and a main control module (6) are connected in sequence; the main control module (6) is connected with the power supply switch (1), the controllable constant-current direct-current power supply (2) and a charging/discharging switching module (3) to form a mutual charging circuit in a controlling manner. The invention provides the comprehensive parameter testing device for the large-capacity power battery, which saves energy sources and eliminates potential safety hazards; the invention further provides the testing method for comprehensive parameters of the large-capacity power battery, which improves the testing precision and simplifies a testing process.
Description
Technical field
Great-capacity power battery testing synthesis parameter device and method of testing, belong to electrokinetic cell detection measuring technology neck
Domain.
Background technology
Electrokinetic cell is a kind of novel energy-storing product that developed recently gets up.It has, and power density is high, and energy density is big,
Charging interval is short, the excellent specific property such as long service life.With traditional secondary battery ratio have that charge/discharge rates are fast, power density is high,
Environmentally safe, have extended cycle life, using the high feature of temperature range width, security performance.Domestic successfully develop at present
The ultra-large type electrokinetic cell in more than 200ah for the capacity, and it is applied to electric automobile and electric bus.And possess charging
The excellent specific property that 50 kilometers can be sailed in 5 minutes, will have huge potential market in Chinese large-sized traffic delivery means field.Domestic
Research and development and production for ultra-large type electrokinetic cell are in the period of developing rapidly at present, in research and development and the life of large-sized power battery
In product, the performance of electrokinetic cell is to weigh the important indicator of quality, and the charge and discharge test of wherein electrokinetic cell is power current
The important step of pond performance test.
In the prior art, need mesuring battary and constant-current source composition test when electrokinetic cell is charged with test
Loop, is charged to electrokinetic cell, carries out the collection of data by data acquisition module, and carries out follow-up data analysiss；
And when carrying out discharge test to electrokinetic cell, need mesuring battary is connected with power device (as resistance), by electricity to be measured
Electricity in pond is consumed by power device, carries out the collection of data by data acquisition module, and carries out follow-up data
Analysis.Therefore, when carrying out discharge test, electricity can consume in vain, can send substantial amounts of during electric quantity consumption simultaneously
Heat, causes the waste of resource, there is certain potential safety hazard simultaneously.
In carrying out charge and discharge test process, test process is complex, and because in test process, electric current is excessive, it moves
State parameter is more difficult with the mensure of cycle life, and measuring accuracy is relatively low.
Content of the invention
The technical problem to be solved in the present invention is: overcomes the deficiencies in the prior art, provides one kind to save the energy, eliminate
The great-capacity power battery testing synthesis parameter device of potential safety hazard, and improve measuring accuracy and simplify the big of test process
Capacity power battery testing synthesis parameter method.
The technical solution adopted for the present invention to solve the technical problems is: this great-capacity power battery testing synthesis parameter dress
Put it is characterised in that: include on and off switch, controllable constant-current DC source, discharge and recharge handover module, battery module, set of cells
Data acquisition module and main control module, power supply is connected with controllable constant-current DC source by and off switch, and controllable constant-current is straight
Stream power supply and discharge and recharge handover module interconnect, and discharge and recharge handover module is interconnected with battery module, battery module, set of cells number
Be sequentially connected according to acquisition module and main control module, main control module simultaneously with and off switch, controllable constant-current DC source and discharge and recharge
Handover module be connected, master control module controls controllable constant-current DC source, discharge and recharge handover module, battery module formed mutually draw right
Charging circuit.
Preferably, described mutually drawing includes mutually drawing of battery module charging measurement charging circuit and electric discharge is surveyed to charging circuit
That tries mutually draws to charging circuit.
Preferably, described battery module includes the first set of cells and the second set of cells, the first set of cells and the second electricity
Pond group is in parallel with discharge and recharge handover module respectively, is connected with described controllable constant-current DC source by discharge and recharge handover module.
Preferably, the first described set of cells is identical with the output voltage of the second set of cells and the capacity of the second set of cells not
Capacity less than the first set of cells.
Preferably, described discharge and recharge handover module includes four switchings being controlled respectively by main control module being sequentially connected
Switch: the first switching switch, the second switching switch, the 3rd switching switch and the 4th switching switch, each switching switch is all provided with
It is equipped with three terminals: com end, nc end and no end；
Preferably, the com end of the first switching switch is connected with the output cathode of controllable constant-current DC source, and the first switching is opened
Close com end with first switching switch nc end be connected, first switching switch nc end with second switching switch nc end and
The positive pole of the first set of cells is connected, and the no end and second of the first switching switch switches the no end of switch and the negative of the first set of cells
Extremely connected, the nc end of the second switching switch is connected with the com end of the second switching switch, the com end and the 3rd of the second switching switch
The com end of switching switch is connected；The com end of the 3rd switching switch is connected with the nc end of the 3rd switching switch, the 3rd switching switch
Nc end be connected with the nc end of the 4th switching switch and the positive pole of the second set of cells, the no end that the 3rd switching switchs is cut with the 4th
The negative pole at the no end and the second set of cells of changing switch is connected, the com end of the nc end of the 4th switching switch and the 4th switching switch
It is connected, the com end of the 4th switching switch is connected with the output negative pole of controllable constant-current DC source.
Preferably, mutually draw in charging circuit in described battery module charging measurement, controllable constant-current DC source
Output cathode passes through the com end of the first switching switch, nc end is connected with the positive pole of the first set of cells, the negative pole of the first set of cells according to
The negative pole at the com end, no end and the second set of cells of the secondary no end passing through the second switching switch, com end and the 3rd switching switch
It is connected, the positive pole of the second set of cells passes through the output negative pole at the nc end, com end and controllable constant-current DC source of the 4th switching switch
It is connected to form loop.
Preferably, mutually draw in charging circuit in described battery module discharge test, controllable constant-current DC source
The com end that output cathode passes through the first switching switch is connected with the negative pole of the first set of cells with no end, the positive pole of the first set of cells
Just pass sequentially through the com end at nc end, com end and the 3rd switching switch, nc end and second set of cells of the second switching switch
Extremely connected, the output that the negative pole of the second set of cells passes through the no end, com end and controllable constant-current DC source of the 4th switching switch is born
Pole is connected to form loop.
Preferably, it is provided with the touch screen with the interconnection of described main control module.
A kind of great-capacity power battery testing synthesis parameter method it is characterised in that: comprise the steps:
Step 1, the first switching in master control module controls discharge and recharge handover module switchs, the second switching switchs, the 3rd cuts
Change switch and the 4th switching switch motion, form mutually the drawing to charging circuit or discharge test of charging measurement of battery module
Mutually draw to charging circuit；
Step 2, master control module controls on and off switch turns on, and power supply is through on and off switch with controllable constant-current DC source even
Lead to and be its power supply；
Step 3, the different current value of master control module controls controllable constant-current DC source output, carry out filling of battery module
Electrical testing or discharge test；
Step 4, the charging measurement of set of cells data collecting module collected battery module or the test of discharge test process
Data；
Step 5, the test data collecting is uploaded in main control module set of cells data acquisition module；
Step 6, the test data that main control module uploads to set of cells data acquisition module is analyzed, and passes through touch screen
Shown.
Compared with prior art, the present invention is had the beneficial effect that
1st, using mutually drawing to charging circuit, promoted using high constant-current source, be can achieve discharging rechargeable battery energy
Recycling can save energy more than 50%, saved the energy.
2nd, simultaneously in discharge test, the electricity obstructed overpower device of tested set of cells is released, it is to avoid the wave of resource
Take, decrease caloric value simultaneously, eliminate potential safety hazard.
3rd, switched by the switching that main control unit controls, the switching of test loop can be automatically obtained, test process is more square
Just, improve the precision of test simultaneously.
4th, larger due to testing electric current in testing, so can burn in test process often remaining within electrokinetic cell
Burr between positive pole and negative pole, it is to avoid short circuit between power battery anode and negative pole is it is achieved that the reparation of short-circuit product.
Brief description
Fig. 1 is great-capacity power battery testing synthesis parameter apparatus structure schematic diagram.
Fig. 2 is great-capacity power battery testing synthesis parameter device discharge and recharge handover module structure and connection diagram.
Fig. 3 is great-capacity power battery testing synthesis parameter device charging measurement circuit theory figure.
Fig. 4 is great-capacity power battery testing synthesis parameter device charging measurement loop equivalent schematic diagram.
Fig. 5 is great-capacity power battery testing synthesis parameter device discharge test circuit theory figure.
Fig. 6 is great-capacity power battery testing synthesis parameter device discharge test loop equivalent schematic diagram.
Fig. 7-Fig. 8 is great-capacity power battery testing synthesis parameter device inner walkway schematic diagram.
Fig. 9 is great-capacity power battery testing synthesis parameter method flow diagram.
Wherein: 1, on and off switch 2, controllable constant-current DC source 3, discharge and recharge handover module 4, battery module
5th, set of cells data acquisition module 6, main control module 7, touch screen 8, the first set of cells 9, the second set of cells 10,
One switching switch 11, second switching switch the 12, the 3rd switching switch the 13, the 4th switching switch.
Specific embodiment
Fig. 1 ~ 8 are highly preferred embodiment of the present invention, and 1 ~ 8 the present invention will be further described below in conjunction with the accompanying drawings:
As shown in figure 1, this great-capacity power battery testing synthesis parameter device includes on and off switch 1, controllable constant-current direct current
Power supply 2, discharge and recharge handover module 3, battery module 4, set of cells data acquisition module 5, main control module 6 and touch screen 7.Power supply
Switch 1 connection controllable constant-current DC source 2, controllable constant-current DC source 2 is interconnected with discharge and recharge handover module 3, and discharge and recharge switches
Module 3 is interconnected with battery module 4, and battery module 4, set of cells data acquisition module 5 and main control module 6 are sequentially connected, main
Control module 6 is interconnected with touch screen 7, is connected with and off switch 1, controllable constant-current DC source 2, discharge and recharge handover module 3 simultaneously.
Main control module 6 is connected with and off switch 1, controllable constant-current DC source 2, discharge and recharge handover module 3 simultaneously, and to it
Working condition is controlled.Alternating current power supply 380v is connected with and off switch 1, by and off switch 1, power supply is carried in controllable constant
The power input of stream DC source 2, alternating current is converted to adjustable constant-current dc power supply by controllable constant-current DC source 2,
Controllable constant-current DC source 2 is connected with battery module 4 by discharge and recharge handover module 3, by main control module 6 to charge and discharge TURP
The switching of die change block 3 changes the connected mode of set of cells in battery module 4, realizes the charge and discharge test of battery module 4
Mutually draw to charging circuit.In test process, set of cells data acquisition module 5 gathers and records test data, by the number collecting
According to delivering in main control module 6, processed by main control module 6, main control module 6 is interconnected with touch screen 7, test data is delivered to tactile
Touch screen 7 and shown, touch screen 7 can send control signal to main control module 6, is controlled accordingly by touch-control module 6 simultaneously.
As shown in Fig. 2 the internal four groups of switching switches including being sequentially connected of discharge and recharge handover module 3: the first switching switch
10th, the second switching switch the 11, the 3rd switching switch 12 and the 4th switching switch 13, each switching switch is provided with three ends
Son: com end, nc end and no end, the first switching switch 10, second switching switch the 11, the 3rd switching switch 12 and the 4th is cut
Change switch 13 to be controlled by main control module 6 simultaneously.Four groups of switching switches being sequentially connected are connected on controllable constant-current DC source 2
Output positive and negative electrode between, battery module 4 with four groups switch switch in parallel.
The first set of cells 8 and the second set of cells 9 is included, the wherein first set of cells 8 is tested electricity inside battery module 4
Pond group, the second set of cells 9 is the dosing set of cells in test with the first set of cells 8 cooperation.First set of cells 8 and the second battery
The electric pressure of group 9 is consistent and capacity of the second set of cells 9 is not less than the capacity of the first set of cells 8.
Inside discharge and recharge handover module 3 in a non-operative state, the com end of the first switching switch 10 is straight with controllable constant-current
The output cathode of stream power supply 2 connects, and the com end of the first switching switch 10 is connected with the nc end of the first switching switch 10.First cuts
The nc end changing switch 10 is connected with the nc end of the second switching switch 11, and the first switching switchs 10 no end and the second switching switch 11
No end be connected, second switching switch 11 nc end and second switching switch 11 com end is connected.Second switching switch 11
Com end is connected with the com end of the 3rd switching switch 12, the nc end of the com end of the 3rd switching switch 12 and the 3rd switching switch 12
It is connected.The nc end of the nc end of the 3rd switching switch 12 and the 4th switching switch 13 is connected, the no end and the of the 3rd switching switch 12
The no end of four switching switches 13 is connected, and the nc end of the 4th switching switch 13 is connected with the com end of the 4th switching switch 13, and the 4th cuts
The com end changing switch 13 is connected with the output negative pole of controllable constant-current DC source 2.
The positive pole of the first set of cells 8 is connected with the nc end of the first switching switch 10 and the second switching switch 11 simultaneously, and first
The negative pole of set of cells 8 is connected with the no end of the first switching switch 10 and the second switching switch 11 simultaneously.The positive pole of the second set of cells 9
It is connected with the nc end of the 3rd switching switch 12 and the 4th switching switch 13, the negative pole of the second set of cells 9 is cut with the 3rd simultaneously simultaneously
The no end changing switch 12 with the 4th switching switch 13 is connected.
As shown in figure 3, when needing the first set of cells 8 is charged test, com end in the second switching switch 11 with
Nc end is disconnected and is connected with no end, and the com end in the 3rd switching switch 12 is disconnected with nc end and is connected with no end simultaneously.Now may be used
The output cathode of control constant-current dc power supply 2 passes through the positive pole phase at the first com end switching switch 10 and nc end and the first set of cells 8
Even, the negative pole of the first set of cells 8 passes sequentially through the com at the no end, com end and the 3rd switching switch 12 of the second switching switch 11
End, no end are connected with the negative pole of the second set of cells 9, and the positive pole of the second set of cells 9 passes through the nc end of the 4th switching switch 13, com
End is connected to form loop with the output negative pole of controllable constant-current DC source 2.Form charging measurement as shown in Figure 4 mutually draws to filling
The equivalent circuit of circuit.
In equivalent circuit shown in Fig. 4, the electric current of controllable constant-current DC source 2 exports from its output cathode, Jing Guo
The positive pole of one switching switch 10 entrance the first set of cells 8, is opened by sequentially passing through the second switching after the negative pole output of the first set of cells 8
Enter the negative pole of the second set of cells 9 behind pass 11 and the 3rd switching switch 12, cut through the 4th by after the positive pole output of the second set of cells 9
Change the negative poles that switch 13 flows back to controllable constant-current DC source 2 to be formed and mutually draw to charging circuit.Formed after mutually drawing to charging circuit, can
Under the impetus of control constant-current dc power supply 2, it is that the first set of cells 8 is charged.Now the second set of cells 9 is discharged, and it is interior
Electricity enters in the first set of cells 8, realizes being charged performance test to the first set of cells 8, in test process, set of cells number
According to acquisition module 5, the test parameter of charging measurement is recorded and gathered, and deliver in main control module 6 and be analyzed, and can
Touch screen 7 is controlled to be shown by main control module 6.
As shown in figure 5, when needing to carry out discharge test to the first set of cells 8, com end in the first switching switch 10 with
Nc end is disconnected and is connected with no end, and the com end in the 4th switching switch 13 is disconnected with nc end and is connected with no end simultaneously.Now may be used
The output cathode of control constant-current dc power supply 2 passes through the negative pole phase at the first com end switching switch 10 and no end and the first set of cells 8
Even, the positive pole of the first set of cells 8 passes sequentially through the com at the nc end, com end and the 3rd switching switch 12 of the second switching switch 11
End, nc end are connected with the positive pole of the second set of cells 9, and the negative pole of the second set of cells 9 passes through the no end of the 4th switching switch 13, com
End is connected to form loop with the output negative pole of controllable constant-current DC source 2.Form charging measurement as shown in Figure 6 mutually draws to filling
The equivalent circuit of circuit.
In equivalent circuit shown in Fig. 6, the electric current of controllable constant-current DC source 2 exports from its output cathode, Jing Guo
The negative pole of one switching switch 10 entrance the first set of cells 8, is opened by sequentially passing through the second switching after the positive pole output of the first set of cells 8
Enter the positive pole of the second set of cells 9 behind pass 11 and the 3rd switching switch 12, cut through the 4th by after the negative pole output of the second set of cells 9
Change the negative poles that switch 13 flows back to controllable constant-current DC source 2 to be formed and mutually draw to charging circuit.Formed after mutually drawing to charging circuit, first
Set of cells 8 is discharged, and under the impetus of controllable constant-current DC source 2, the electricity that the first set of cells 8 is released enters the second battery
In group 9, realize carrying out discharge performance test to the first set of cells 8, in test process, set of cells data acquisition module 5 is to putting
The test parameter of electrical testing is recorded and is gathered, and delivers in main control module 6 and be analyzed, and can be controlled by main control module 6
Touch screen 7 is shown.
Using mutually drawing to charging circuit, promoted using high constant-current source, achievable discharging rechargeable battery energy
Recycling can save energy more than 50%, has saved the energy.Simultaneously in discharge test, the obstructed overpower of electricity of tested set of cells
Device is released, it is to avoid the waste of resource, decreases caloric value simultaneously, eliminates potential safety hazard.
In inner walkway schematic diagram as shown in Fig. 7 ~ 8, first with the schematic diagram shown in Fig. 7 with constant current i1(electricity
The l rate charge-discharge electric current in pond) battery is charged to assigned voltage uw, the charging interval, temperature was less than 40 less than 40min
℃.After charging complete, disconnect charging circuit, battery two ends open-circuit voltage values u after measurement l0ms1.It is calculated as follows internal resistance value:
r=(uw—u1)/i1
In formula:
The internal resistance of r battery, unit: ω；
u1Voltage during l0ms, unit: v after battery stopping charging.
In this great-capacity power battery testing synthesis parameter device, main control module 6 is realized by plc, also can pass through other
Mode is realized, such as industrial PC or the controller being made using single-chip microcomputer.
First switching switch 10, second switching switch the 11, the 3rd switching switch 12 and the 4th in discharge and recharge handover module 3
Switching switch 13 can be realized by relay, also can be realized by noncontacting switch.
Great-capacity power battery testing synthesis parameter method flow in figure as shown in Figure 9, comprises the steps:
Step 1, main control module 6 controls discharge and recharge handover module to switch over；
Main control module 6 controls the first switching switch 10, second switching switch the 11, the 3rd in discharge and recharge handover module 3 to cut
Change switch 12 and the 4th switching switch 13 actions, realize mutually drawing to charging circuit or as Fig. 5 institute of charging measurement as shown in Figure 3
The discharge test showing mutually draw to charging circuit.
When realizing charging measurement loop, main control module 6 controls the second switching switch 11 and the 3rd switching switch 12 actions,
Com end in second switching switch 11 is disconnected with nc end and is connected with no end, is broken with nc end in the com end in the 3rd switching switch 12
Open and be connected with no end, realize charging measurement loop as shown in Figure 3.
When realizing discharge test loop, main control module 6 controls the first switching switch 10 and the 4th switching switch 13 actions,
Com end in first switching switch 10 is disconnected with nc end and is connected with no end, is broken with nc end in the com end in the 4th switching switch 13
Open and be connected with no end, realize discharge test loop as shown in Figure 5.
Step 2, main control module 6 controls on and off switch 1 to turn on；
Main control module 6 controls on and off switch 1 to turn on, and alternating current 380v is through on and off switch 1 with controllable constant-current DC source 2 even
Lead to and be its power supply.
Step 3, main control module 6 controls controllable constant-current DC source 2 to work；
Staff, according to test needs, controls controllable constant-current DC source 2 to export corresponding electric current by main control module 6
Value, carries out the charge and discharge test of battery module 4.
Step 4, set of cells data acquisition module 5 carries out data acquisition；
When battery module 4 is carried out with charge and discharge test, set of cells data acquisition module 5 is to the survey in test process
Examination data is acquired.
Step 5, set of cells data acquisition module 5 carries out data upload；
The test data collecting is uploaded in main control module 6 set of cells data acquisition module 5.
Step 6, main control module 6 carries out analysis and the display of data；
The test data that main control module 6 uploads to set of cells data acquisition module 5 is analyzed, and is entered by touch screen 7
Row display.
Switched by the switching that main control module 6 controls, the switching of test loop can be automatically obtained, test process is more square
Just, improve the precision of test simultaneously.
When charge-discharge test is carried out to battery module 4, can achieve simultaneously and test as follows:
(1), the test of the first set of cells 8 cycle life；
(2), the test of the Automatic Cycle that can charge and discharge by 2.5c multiplying power；
(3) the accurate calculating of capacity, is realized using high current integration method；
High current charge-discharge can be carried out using 2.5c multiplying power, and using the high accuracy in set of cells data acquisition module 5 suddenly
That current transducer, carries out current sample.By 16 ad conversion computers, charge and discharge electric capacity is obtained by Current integrating method
The ampere-hour number ah of amount；
(4) realize charging and discharging curve matching by implementing data acquisition data analysis and utilization method of least square；
(5) location parameter of same batch battery can be carried out with the concordance evaluation and test of product quality.
Electrokinetic cell for producing under the conditions of same batch: r1、r2……rn, its capacity is respectively as follows: ah1、ah2……ahn；
Meansigma methodss；
Mean square deviation
Using 3Principle carries out the product quality concordance evaluation and test that same batch produces.
Remove outside above-mentioned test, main control module can be realized as shown in Fig. 7 ~ 8 by controlling discharge and recharge handover module 3 simultaneously
Test loop realize the accurate mensure of the first set of cells 8 internal resistance.
In test process, because test electric current is larger, so can burn in test process often remaining within power
Burr between anode and negative pole, it is to avoid short circuit between power battery anode and negative pole is it is achieved that the repairing of short-circuit product
Multiple.
The above, be only presently preferred embodiments of the present invention, is not the restriction that the present invention is made with other forms, appoints
What those skilled in the art possibly also with the disclosure above technology contents changed or be modified as equivalent variations etc.
Effect embodiment.But every without departing from technical solution of the present invention content, according to the present invention technical spirit to above example institute
Any simple modification, equivalent variations and the remodeling made, still falls within the protection domain of technical solution of the present invention.
Claims (6)
1. a kind of great-capacity power battery testing synthesis parameter device it is characterised in that: include on and off switch (1), controllable constant-current
DC source (2), discharge and recharge handover module (3), battery module (4), set of cells data acquisition module (5) and main control module
(6), power supply is connected with controllable constant-current DC source (2) by and off switch (1), controllable constant-current DC source (2) with fill
Electric discharge handover module (3) interconnection, discharge and recharge handover module (3) is interconnected with battery module (4), battery module (4), set of cells
Data acquisition module (5) and main control module (6) are sequentially connected, and main control module (6) is simultaneously straight with and off switch (1), controllable constant-current
Stream power supply (2) is connected with discharge and recharge handover module (3), and main control module (6) controls controllable constant-current DC source (2), charge and discharge TURP
Die change block (3), battery module (4) form and mutually draw to charging circuit；
Described mutually draw charging circuit is included with battery module (4) charging measurement mutually draw mutually drawing to charging circuit and discharge test
To charging circuit；
Described battery module (4) includes the first set of cells (8) and the second set of cells (9), the first set of cells (8) and the second electricity
Pond group (9) is in parallel with discharge and recharge handover module (3) respectively, by discharge and recharge handover module (3) and described controllable constant-current direct current
Power supply (2) is connected；
The four switching switches being controlled respectively by main control module (6) that described discharge and recharge handover module (3) inclusion is sequentially connected:
First switching switch (10), the second switching switch (11), the 3rd switching switch (12) and the 4th switching switch (13), each is cut
Change switch and be provided with three terminals: com end, nc end and no end；
Mutually drawing in charging circuit in described battery module (4) charging measurement, the output of controllable constant-current DC source (2) is just
The first switching switch com end of (10) is passed through in pole, nc end is connected with the positive pole of the first set of cells (8), the bearing of the first set of cells (8)
Pole passes sequentially through the com end at no end, com end and the 3rd switching switch (12) of the second switching switch (11), no end and second
The negative pole of set of cells (9) is connected, the positive pole of the second set of cells (9) pass through the nc end of the 4th switching switch (13), com end with controlled
The output negative pole of constant-current dc power supply (2) is connected to form loop.
2. great-capacity power battery testing synthesis parameter device according to claim 1 it is characterised in that: described first
Set of cells (8) is identical with the output voltage of the second set of cells (9) and the capacity of the second set of cells (9) is not less than the first set of cells
(8) capacity.
3. great-capacity power battery testing synthesis parameter device according to claim 1 it is characterised in that: described first
The com end of switching switch (10) is connected with the output cathode of controllable constant-current DC source (2), the com of the first switching switch (10)
End is connected with the nc end of the first switching switch (10), and the first switching switchs the nc end of (10) and the nc end of the second switching switch (11)
And first set of cells (8) positive pole be connected, first switching switch (10) no end with second switching switch (11) no end with
And first set of cells (8) negative pole be connected, second switching switch (11) nc end with second switching switch (11) com end phase
Even, the com end of the second switching switch (11) is connected with the com end of the 3rd switching switch (12)；The com of the 3rd switching switch (12)
End is connected with the nc end of the 3rd switching switch (12), and the 3rd switching switchs the nc end of (12) and the nc end of the 4th switching switch (13)
And second set of cells (9) positive pole be connected, the 3rd switching switch (12) no end with the 4th switching switch (13) no end with
And second set of cells (9) negative pole be connected, the 4th switching switch (13) nc end with the 4th switching switch (13) com end phase
Even, the com end of the 4th switching switch (13) is connected with the output negative pole of controllable constant-current DC source (2).
4. great-capacity power battery testing synthesis parameter device according to claim 1 it is characterised in that: in described electricity
Pond group module (4) discharge test mutually draw in charging circuit, the output cathode of controllable constant-current DC source (2) passes through first and switches
The com end of switch (10) is connected with the negative pole of the first set of cells (8) with no end, and the positive pole of the first set of cells (8) passes sequentially through the
The com end at the nc end of two switchings switch (11), com end and the 3rd switching switch (12), nc end are with the second set of cells (9) just
Extremely connected, the negative pole of the second set of cells (9) passes through no end, com end and the controllable constant-current DC source of the 4th switching switch (13)
(2) output negative pole is connected to form loop.
5. great-capacity power battery testing synthesis parameter device according to claim 1 it is characterised in that: be provided with and institute
The touch screen (7) that the main control module (6) stated interconnects.
6. the method for testing of the great-capacity power battery testing synthesis parameter device described in a kind of any one of claim 1 ~ 5, its
It is characterised by: comprise the steps:
Step 1, main control module (6) controls discharge and recharge handover module (3) action, forms the charging measurement of battery module (4)
Mutually draw and charging circuit or discharge test mutually drawn to charging circuit；
Step 2, main control module (6) controls on and off switch (1) conducting, and power supply is through on and off switch (1) and controllable constant-current direct current
Power supply (2) connects and is its power supply；
Step 3, main control module (6) controls the different current value of controllable constant-current DC source (2) output, carries out battery module
(4) charging measurement or discharge test；
Step 4, set of cells data acquisition module (5) gathers the charging measurement of battery module (4) or the survey of discharge test process
Examination data；
Step 5, the test data collecting is uploaded in main control module (6) set of cells data acquisition module (5)；
Step 6, the test data that main control module (6) uploads to set of cells data acquisition module (5) is analyzed, and by touching
Screen (7) is shown.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410088398.9A CN103823190B (en) | 2014-03-11 | 2014-03-11 | Comprehensive parameter testing device for large-capacity power battery and testing method of comprehensive parameter testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410088398.9A CN103823190B (en) | 2014-03-11 | 2014-03-11 | Comprehensive parameter testing device for large-capacity power battery and testing method of comprehensive parameter testing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103823190A CN103823190A (en) | 2014-05-28 |
| CN103823190B true CN103823190B (en) | 2017-02-01 |
Family
ID=50758343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410088398.9A Active CN103823190B (en) | 2014-03-11 | 2014-03-11 | Comprehensive parameter testing device for large-capacity power battery and testing method of comprehensive parameter testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103823190B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104076294B (en) * | 2014-07-11 | 2017-02-01 | 上海工程技术大学 | Load device for testing battery performance of electric vehicle |
| CN104617616B (en) * | 2015-01-19 | 2018-01-05 | 深圳市中科源电子有限公司 | A kind of portable power source test charge-discharge control circuit and portable power source test device |
| CN112540307B (en) * | 2020-11-30 | 2023-10-03 | 北京振兴计量测试研究所 | Military power battery charge-discharge performance test system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2758788Y (en) * | 2004-12-28 | 2006-02-15 | 比亚迪股份有限公司 | Charging and discharging device for testing secondary battery |
| CN201601521U (en) * | 2010-03-05 | 2010-10-06 | 长沙高新开发区硕博电子科技有限公司 | Battery charging/discharging performance testing and electric energy recovering device |
| CN102175977A (en) * | 2011-01-30 | 2011-09-07 | 刘连仲 | Lithium battery detection device with mutual charge/discharge function |
| CN102841316A (en) * | 2011-12-03 | 2012-12-26 | 哈尔滨智木科技有限公司 | Method and device for saving energy during battery detection |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI394345B (en) * | 2010-01-19 | 2013-04-21 | Chroma Ate Inc | Battery charging/discharging system |
-
2014
- 2014-03-11 CN CN201410088398.9A patent/CN103823190B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2758788Y (en) * | 2004-12-28 | 2006-02-15 | 比亚迪股份有限公司 | Charging and discharging device for testing secondary battery |
| CN201601521U (en) * | 2010-03-05 | 2010-10-06 | 长沙高新开发区硕博电子科技有限公司 | Battery charging/discharging performance testing and electric energy recovering device |
| CN102175977A (en) * | 2011-01-30 | 2011-09-07 | 刘连仲 | Lithium battery detection device with mutual charge/discharge function |
| CN102841316A (en) * | 2011-12-03 | 2012-12-26 | 哈尔滨智木科技有限公司 | Method and device for saving energy during battery detection |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103823190A (en) | 2014-05-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104953659B (en) | A kind of battery set charge/discharge equalizing circuit and charging/discharging thereof | |
| CN203490346U (en) | Storage battery on-line monitoring system | |
| CN105071453A (en) | Battery management system | |
| CN201601521U (en) | Battery charging/discharging performance testing and electric energy recovering device | |
| CN204030640U (en) | Batteries novel maintenance monitoring intelligent device | |
| CN104237797A (en) | Detection system and detection method of battery capacity of super capacitor | |
| CN103823190B (en) | Comprehensive parameter testing device for large-capacity power battery and testing method of comprehensive parameter testing device | |
| CN103084342A (en) | Method for separating secondary batteries | |
| CN203984014U (en) | A kind of testing apparatus of power battery pack equilibrium | |
| CN206594275U (en) | The internal resistance balance module of accumulator monitoring equipment | |
| CN203759127U (en) | Device for measuring single-cell battery internal resistance in equalization processes | |
| CN103558557B (en) | Power battery pack detection circuit | |
| CN106249042A (en) | A kind of photovoltaic generation based on data analysis monitoring system and method | |
| CN103475078B (en) | A kind of charging device of high-power power battery group | |
| CN203722267U (en) | Communication power supply management terminal | |
| CN104901409A (en) | Device for achieving battery pack low-voltage charging | |
| CN107546809A (en) | It is a kind of based on strain and the intelligent charging system and method for temperature and regulating and controlling voltage | |
| CN103823118A (en) | Device and method for measuring internal resistance of battery cells during equalization | |
| CN203337801U (en) | Novel conductance tester used for storage battery | |
| CN202586386U (en) | An inspection and maintenance and equalizing maintenance device of motive power battery pack | |
| CN203455461U (en) | Intelligent and highly-efficient lithium battery circulation charging/discharging test system | |
| CN206908325U (en) | It is a kind of that system is protected by light-coupled isolation software and hardware cooperating novel lithium battery group | |
| CN206894270U (en) | Battery management system | |
| CN202533562U (en) | Battery state and charging efficiency detection apparatus for electric automobile | |
| CN206790116U (en) | A kind of micro-capacitance sensor energy storage control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20161125 Address after: 255086 high tech Zone, Shandong Province, advanced manufacturing industry innovation park, 1-3 floor, general building, Applicant after: ZIBO QIANYAN MEDICAL INSTRUMENT CO.,LTD. Address before: 255086 Shandong province hi tech Industrial Development Zone, North Road, advanced manufacturing industry innovation park, floor, general building, 1-3 Applicant before: ZIBO JIELI ELECTRICAL EQUIPMENT Co.,Ltd. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 255086 east side of 1st floor, building a, building 12, Instrument Industrial Park, No. 9009, Qinglongshan Road, high tech Zone, Zibo City, Shandong Province Patentee after: Shandong Qianfeng medical device Co.,Ltd. Address before: 255086 floors 1-3, comprehensive building, advanced manufacturing industry innovation park, high tech Zone, Zibo City, Shandong Province Patentee before: ZIBO QIANYAN MEDICAL INSTRUMENT CO.,LTD. |
|
| CP03 | Change of name, title or address |