CN206804834U - A kind of battery charging and discharging test system - Google Patents
A kind of battery charging and discharging test system Download PDFInfo
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- CN206804834U CN206804834U CN201720436583.1U CN201720436583U CN206804834U CN 206804834 U CN206804834 U CN 206804834U CN 201720436583 U CN201720436583 U CN 201720436583U CN 206804834 U CN206804834 U CN 206804834U
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Abstract
The utility model discloses a kind of battery charging and discharging test system, including：Supply of electric power portion, multiple array test platforms and control unit, there are power transfer corridors between multiple array test platforms and supply of electric power portion, also, electric power transfering channel of the connection independently of power transfer corridors between the adjacent array test platform of each two；Control unit electrically connects with supply of electric power portion and multiple array test platforms, to coordinate the transfer of the electric power between supply of electric power and array test platform of the supply of electric power portion to array test platform.It is arranged such, the electric power discharged in the array test platform discharge process that test will be completed is transferred in next array test platform tested, i.e., electric power transfer can be directly carried out between two array test platforms, so as to by discharge process release electric power make full use of, avoid directly release and caused by energy dissipation.
Description
Technical field
Battery testing technical field is the utility model is related to, more particularly to a kind of battery charging and discharging test system.
Background technology
On electric automobile, battery case provides major impetus for it, and the temperature of each cell directly affects in battery case
The power performance of vehicle.Need to test battery before battery use, to ensure the service behaviour of battery.
In the prior art, generally using two kinds of battery charging and discharging test systems.Wherein, the first battery charging and discharging test is set
Put and battery to be tested is charged using the electricity on power network, after the completion of test, discharge process passes through the power list on tester
Member converts electrical energy into heat energy and directly discharged；A large amount of electric energy are caused to be released by the world using this battery charging and discharging test system
Put, cause substantial amounts of energy waste.
Second of battery charging and discharging test system is charged using the electricity on power network to battery to be tested, and test is completed
Afterwards, power generation process utilizes the energy feedback system in battery charging and discharging test system by the electric energy feedback of release into power network.But
It is, during using such a battery charging and discharging test system, although electric energy directly can be fed back in power network, due to difference
Test equipment model, quality it is inconsistent, when by electric energy feedback into power network, easily cause the quality of power supply decline, produce
Harmonic wave, produce potential safety hazard, in some instances it may even be possible to cause power network to be paralysed.Therefore, to the requirement pole of such a battery charging and discharging test system
Height, also, in order to protect power network, be generally not allowed and use such a battery charging and discharging test system by energy feedback to whole power network
In.
Utility model content
In view of this, the utility model provides a kind of battery charging and discharging test system, can be by electric power in battery testing array
Shifted between platform, the energy for making full use of battery discharge procedure to discharge, without by power recovery original power network, both having protected whole
Individual power network, the effect of energy-conserving and environment-protective is served again.
The utility model provides a kind of battery charging and discharging test system, including：
Supply of electric power portion；
Multiple array test platforms, have between multiple array test platforms and the supply of electric power portion
Power transfer corridors, also, between the adjacent array test platform of each two connection independently of the power Transmission
The electric power transfering channel of passage；
Control unit, the control unit electrically connect with the supply of electric power portion and multiple array test platforms, with
Coordinate supply of electric power and the array test platform of the supply of electric power portion to the array test platform it
Between electric power transfer.
Alternatively, further comprise：
First power conversion unit, first power conversion unit connect the supply of electric power portion and the multiple battery
Between array test platform, to form a plurality of power transfer corridors for converging in first power conversion unit.
Alternatively, first power conversion unit includes inverter or rectifier or transformer.
Alternatively, further comprise：
Multiple second power conversion units, multiple second power conversion units are connected to the adjacent electricity of each two respectively
Between the array test platform of pond, to form the electric power transfering channel.
Alternatively, second power conversion unit includes step-up DC-DC converter.
Alternatively, the step-up DC-DC converter is two-way step-up DC-DC converter.
Alternatively, further comprise：
Energy monitoring portion, each array test platform of energy monitoring portion monitoring pass through the power Transmission
The electric energy total amount that passage and/or the electric power transfering channel receive, and the energy monitoring portion connects the control unit, with
The control unit is set to implement to control according to the electric energy total amount.
Alternatively, the energy monitoring portion includes electric quantity monitoring instrument.
Alternatively, each array test platform lays a test group.
Alternatively, the test group includes tester and battery pack.
As can be seen here, by connecting independent and electricity between two adjacent array test platforms in the utility model
The electric power transfering channel of power transfer passage, the electric power transfer discharged in the array test platform discharge process of test will be completed
Into next array test platform tested, i.e. can directly be carried out between two array test platforms
Electric power shift, so as to by discharge process release electric power make full use of, avoid directly release and caused by energy dissipation.
Brief description of the drawings
The following drawings only does schematic illustration and explanation to the utility model, does not limit the scope of the utility model.
Fig. 1 is the structure principle chart of battery charging and discharging test system in the utility model；
Fig. 2 is that the first charge-discharge electric power of battery charging and discharging test system in the utility model shifts schematic diagram；
Fig. 3 is that second of charge-discharge electric power of battery charging and discharging test system in the utility model shifts schematic diagram；
Fig. 4 is that the third charge-discharge electric power of battery charging and discharging test system in the utility model shifts schematic diagram；
Label declaration：
1a battery supplieds portion；
The power conversion units of 2b first；
The power conversion units of 3c second；
4d control units；
5e energy monitorings portion；
1st, 2,3,4,5 ... n array test platforms.
Embodiment
In order to which the technical characteristic of utility model, purpose and effect are more clearly understood, now control illustrates this
The embodiment of utility model, in the various figures identical label represent identical part.
Herein, " schematic " expression " serving as example, example or explanation ", will should not be described herein as " showing
Any diagram, the embodiment of meaning property " are construed to a kind of preferred or more advantageous technical scheme.
To make simplified form, only schematically show and the utility model relevant portion, and not generation in each figure
Its practical structures as product of table.In addition, so that simplified form readily appreciates, there is identical structure or function in some figures
Part, only symbolically depict one of those, or only marked one of those.
Charge-discharge system is in discharge process in order to solve in the prior art, and the problem of energy dissipation, the utility model carries
For in a kind of battery that caused electric power in discharge process can be transferred to other needs and tested, making full use of electric energy, energy-saving ring
Protect, can also solve the problems, such as power recovery producing potential safety hazard to former power network to power network.
The utility model provides a kind of battery charging and discharging test system, and it includes：Supply of electric power portion, multiple arrays are surveyed
Try platform and control unit.
Supply of electric power portion is the generator unit of battery charging and discharging test system, for being carried for the battery charging and discharging test system
Power supply power.
As shown in figure 1, there is power transfer corridors, electric power between multiple array test platforms and supply of electric power portion 1a
Supply department 1a gives the power Transmission needed in test to each array test platform by power transfer corridors, also, often
Electric power transfering channel of the connection independently of power transfer corridors between two adjacent array test platforms.So, when one
When individual array test platform completion test is discharged, the electric power that directly can be discharged by the electric power transfering channel is defeated
Next array test platform for needing to be tested is given, now, the array test platform for discharging electric power is suitable
In generator unit, to need the array test platform to charge directly to be charged, without returning again to power network or electricity
In power transfer passage.It is arranged such, the electric energy that array test platform can be made full use of to be discharged after the completion of testing, and two
Directly charging process, the electric energy greatlyd save can be also mutually carried out between array test platform.
Control unit 4d electrically connects with supply of electric power portion 1a and multiple array test platforms, to coordinate supply of electric power portion pair
Electric power transfer between the supply of electric power of array test platform and array test platform.Control unit 4d is according to each
Electric flux that electric energy total amount, other array test platforms required for individual array test platform can shift is coordinated
Charge volume of the supply of electric power portion to array test platform.
The first power conversion unit 2b is connected between supply of electric power portion 1a and multiple array test platforms, first electricity
Power converter section 2b changes into electric energy caused by supply of electric power portion 1a the electricity that the battery charging and discharging test system can use directly
Can, i.e., it is the requirement for meeting the battery charging and discharging test system by Parameter Switch such as the voltage class of electric energy, frequencies, so that
It can carry out effectively and reliably test process.Also, the first power conversion unit 2b is formed and is converged in the first power conversion unit 2b
A plurality of power transfer corridors charged so that supply of electric power portion 1a is respectively each array test platform.
In a particular embodiment, the first power conversion unit 2b can be inverter or rectifier or transformer, can be by electric power
The electrical power conversion that supply department sends is the required electric power of array test platform.
Further, the battery charging and discharging test system includes multiple second power conversion unit 3c, the adjacent electricity of each two
A second power conversion unit 3c is connected between the array test platform of pond, second power conversion unit 3c is used to survey array
The levels such as voltage, frequency required by the electrical power conversion to the array test platform for needing to be tested of examination platform release,
Charged again for array test platform.So, the second power conversion unit 3c is connected to two adjacent arrays and surveyed
Between trying platform, so as to form electric power transfering channel, so as to which direct electric energy can be carried out between array test platform
Transfer, effectively utilize the electric energy of discharge process.
In a particular embodiment, second power conversion unit 3c is step-up DC-DC converter, and the boosting is straight
Stream-direct current transducer is two-way step-up DC-DC converter, so, the electric power transfer between array test platform
It is two-way, i.e., the electric energy discharged between array test platform can mutually be charged, to not suitable in test process
Sequence requirement, improves the convenience operated in test process.
Certainly, the second power conversion unit 3c can also be transformer, inverter, for realize array test platform it
Between electrical power conversion.
For each array test platform, it includes at least one test group, and each test group includes surveying
Examination instrument and battery pack, the quantity of the test group of each array test platform can differ, can also be identical, for each electricity
Whether the quantity for the test group that pond array test platform includes is identical not to limit.
Further, in a kind of specific embodiment, the battery charging and discharging test system also includes energy monitoring portion 5e, should
Energy monitoring portion 5e can monitor each array test platform and be received by power transfer corridors and/or electric power transfering channel
Electric energy total amount.When no array test platform is discharged, it is necessary to which the array test platform tested connects
The electric energy total amount of receipts is all from supply of electric power portion 1a, and the part electric energy is transmitted by power transfer corridors.When the battery for completing test
When array test platform is discharged, the array test platform charging for needing to be tested, energy monitoring may further be
After portion 5e monitors the electric energy that is discharged by array test platform, so as to show that the array that needs are tested is surveyed
Examination platform needs the electric energy that supply of electric power portion 1a is provided.So, control unit 4d is controlled between array test platform first
Electric power transfer, by this sufficiently effective utilization of part electric energy, avoid energy dissipation, then, control unit 4d supervises according to energy
The electric energy of survey portion 5e monitorings coordinates supplies of electric power of the supply of electric power portion 1a to array test platform, if array test is flat
The electric power shifted between platform has been able to meet the demand of the array test platform tested to electric energy, then without electric power
Supply department conveys electric energy.
The array that its electric energy is not transferred to next test completely when the array test platform of release electric energy is surveyed
Platform is tried, its remaining small part electric energy can be discharged in a manner of heat energy.
The process of discharge and recharge is carried out for battery charging and discharging test system, reference can be made to several situations shown in Fig. 2 to Fig. 4.
The test process of the battery charging and discharging test system is described below in conjunction with the accompanying drawings.
As shown in Fig. 2 by taking two array test platforms as an example：
Array test platform 1 and array test platform 2, connected between the two by the second power conversion unit 3c
Connect.One is selected in both to be tested first, and in a particular embodiment, array test platform 1 is tested first, by
Supply of electric power portion 1a sends electric energy, after the first power conversion unit 2b is by electrical power conversion, is transported to array test platform 1
In, so that array test platform 1 is tested.Wherein, the electric energy in array test platform 1 is by supply of electric power
Portion 1a is provided., it is necessary to discharge electric energy therein after array test platform 1 is completed to test, array test platform 1 is released
The electric energy put is boosted to by the second power conversion unit 3c between array test platform 1 and array test platform 2
After level set in advance, directly it is transferred to by electric power transfering channel in array test platform 2, if array is tested
The electric energy that platform 1 discharges meets the testing requirement of array test platform 2, and supply of electric power portion 1a to array without surveying again
Examination platform 2 is charged；If the electric energy that array test platform 1 discharges can not meet that array test platform 2 was tested
Electric energy needed for journey, supply of electric power portion 1a also need to send electric energy, supplement array by the first power conversion unit 2b and survey
The electric energy of platform 2 is tried, so that array test platform 2 completes test process.So, array test platform 1 is being put
The electric energy discharged in electric process is sufficiently used for the test of array test platform 2, avoids the waste of this part electric energy, significantly
Save the energy.
After array test platform 1 charges to array test platform 2, if in array test platform 1 still
Dump energy, it can be discharged by form of heat, this is compared with the electric energy in whole discharge processes is discharged in the prior art, significantly
Reduce the waste of energy., can be in advance to array test platform 1 and array in order to further reduce the waste of energy
Battery pack is analyzed the discharge capacity in the demand of electricity and both discharge processes in the test group of test platform 2, to determine
The sequencing of test, further lower the waste of electric energy.
As shown in figure 3, by taking three array test platforms as an example：
Array test platform 1, array test platform 2 and array test platform 3, three platforms enter successively
Row test, first, supply of electric power portion 1a sends electric energy, after the first power conversion unit 2b is by electrical power conversion, is transported to battery
In array test platform 1, after array test platform 1 completes charging process, tested.When array test platform 1
After completing test, array test platform 2 proceeds by test, after array test platform 2 completes test, array
Test platform 3 is tested.After three is fully completed test, remaining electric energy is released by the form of heat energy after having tested
Put.
Wherein, if the electric energy that array test platform 1 discharges can not meet the charge volume need of array test platform 2
Ask, when the electric energy that array test platform 2 discharges can not meet the charge volume demand of array test platform 3, cell array
Row test platform 2 and array test platform 3 are required to be charged by supply of electric power portion 1a.
If the electric energy that array test platform 1 discharges disclosure satisfy that the test process of array test platform 2 to electricity
Demand, the electricity of the charging process of array test platform 2 is all provided by array test platform 1, without again
Electric power is provided by supply of electric power portion 1a.After array test platform 2 completes test, array test platform 2 discharges electricity
Can, the second power conversion unit 3c being delivered between array test platform 2 and array test platform 3, and boost to
3 required level of array test platform, charges to array test platform 3, similarly, if array is surveyed
The electric energy that examination platform 2 is discharged disclosure satisfy that array test platform 3 tests required electric energy, then supply of electric power portion 1a need not
Array test platform 3 is charged.
It is arranged such, energy of all array test platforms in discharge process can be made full use of, avoid energy
Waste, with the prior art by the whole electric energy discharged in discharge process with form of thermal energy discharge compared with, such scheme is significantly
Reduce the electricity discharged with form of thermal energy.
As shown in figure 4, when needing to have to individual array test platform, can not only be tested successively by above-mentioned
Mode, can also carry out packet test.
In a kind of specific embodiment, with to five array test platforms：Array test platform 1, cell array
Row test platform 2, array test platform 3, array test platform 4, array test platform 5.First group includes：
Array test platform 1, array test platform 2, array test platform 3；Second group includes：Array is tested
Platform 1, array test platform 2, array test platform 3.
It should be noted that above-mentioned carry out one of which packet mode, can be grouped according to specific charge-discharge power demand,
Therefore, the quantity to packet, the quantity of array test platform in every group do not limit.
Supply of electric power portion 1a is by the first power conversion unit 2b to the array test platform 1 in first group, cell array
Row test platform 2, array test platform 3 are charged, and therefore, the electric power in first group is all from supply of electric power portion 1a.
After charging complete, array test platform 1, array test platform 2, array test platform 3 are tested simultaneously,
After completing to test, three is discharged, and the electric energy that array test platform 1 discharges passes through positioned at array test platform
The second power conversion unit 3 between 1 and array test platform 4 is transferred to the array test platform 4 in second group, and
The electric energy that array test platform 2 discharges, a part is by positioned at array test platform 2 and array test platform
Array test platform 4 is transferred to after the second power conversion unit 3c boostings between 4, another part can be by positioned at cell array
Array test is transferred to after the second power conversion unit 3c boostings between row test platform 2 and array test platform 5
Platform 5, and the electric energy that array test platform 3 discharges is flat by being tested positioned at array test platform 3 and array
Array test platform 5 is transferred to after the second power conversion unit 3c boostings between platform 5.
When the electric energy discharged in first group disclosure satisfy that second group to the demand of electricity, then supply of electric power portion 1a is without again
Array test platform 4 in second group, array test platform 5 are charged, if the electric energy discharged in first group
It is impossible to meet second group of demand to electricity, then the electric energy that supply of electric power portion 1a is sent is turned by the first power conversion unit 2b's
After changing, array test platform 4 and array test platform 5 are charged respectively.Thus by the side of packet test
Formula, testing efficiency is substantially increased, and will be reallocated after the electric energy convergence of release, make the utilization of the electric energy in its discharge process
Rate is more abundant.
Herein, "one" is not offered as the quantity of the utility model relevant portion being limited to " only this ", and
And "one" does not indicate that the situation for the quantity " more than one " for excluding the utility model relevant portion.
Herein, " on ", " under ", "front", "rear" etc. are only used for representing the relative position relation between relevant portion, and
The absolute position of these non-limiting relevant portions.
Herein, " first ", " second " etc. are only used for mutual differentiation, rather than represent significance level and order and
Existing premise etc. each other.
Unless otherwise indicated, number range herein not only includes the gamut in two end points, also includes containing
In some subranges therein.
It should be appreciated that although this specification is described according to each embodiment, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical scheme in each embodiment may also be suitably combined to form people in the art
The other embodiment that member is appreciated that.
The a series of tool described in detail only for feasibility embodiment of the present utility model of those listed above
Body illustrate, and and be not used to limit the scope of protection of the utility model, it is all without departing from the utility model skill spirit made etc.
Embodiment or change are imitated, such as the combination, segmentation or repetition of feature, should be included within the scope of protection of the utility model.
Claims (10)
- A kind of 1. battery charging and discharging test system, it is characterised in that including：Supply of electric power portion (1a)；Multiple array test platforms, have between multiple array test platforms and the supply of electric power portion (1a) Power transfer corridors, also, between the adjacent array test platform of each two connection independently of the power Transmission The electric power transfering channel of passage；Control unit (4d), the control unit (4d) and the supply of electric power portion (1a) and multiple array test platform electricity Connection, to coordinate supply of electric power and the cell array of the supply of electric power portion (1a) to the array test platform Electric power transfer between row test platform.
- 2. battery charging and discharging test system as claimed in claim 1, it is characterised in that further comprise：First power conversion unit (2b), first power conversion unit (2b) connect the supply of electric power portion (1a) with it is the multiple Between the array test platform, to form a plurality of power Transmission for converging in first power conversion unit (2b) Passage.
- 3. battery charging and discharging test system as claimed in claim 2, it is characterised in that the first power conversion unit (2b) bag Include inverter or rectifier or transformer.
- 4. battery charging and discharging test system as claimed in claim 1, it is characterised in that further comprise：Multiple second power conversion units (3c), multiple second power conversion units (3c) are connected to the adjacent institute of each two Between stating array test platform, to form the electric power transfering channel.
- 5. battery charging and discharging test system as claimed in claim 4, it is characterised in that the second power conversion unit (3c) bag Include step-up DC-DC converter.
- 6. battery charging and discharging test system as claimed in claim 5, it is characterised in that the step-up DC-DC converter For two-way step-up DC-DC converter.
- 7. the battery charging and discharging test system as described in claim any one of 1-6, it is characterised in that further comprise：Energy monitoring portion (5e), each array test platform of energy monitoring portion (5e) monitoring pass through the electric power The electric energy total amount that transfer passage and/or the electric power transfering channel receive, and described in the energy monitoring portion (5e) connection Control unit (4d), so that the control unit (4d) is implemented to control according to the electric energy total amount.
- 8. battery charging and discharging test system as claimed in claim 7, it is characterised in that the energy monitoring portion (5e) includes electricity Measure monitor.
- 9. the battery charging and discharging test system as described in claim any one of 1-6, it is characterised in that each array Test platform lays a test group.
- 10. battery charging and discharging test system as claimed in claim 9, it is characterised in that the test group include tester and Battery pack.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720436583.1U CN206804834U (en) | 2017-04-24 | 2017-04-24 | A kind of battery charging and discharging test system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720436583.1U CN206804834U (en) | 2017-04-24 | 2017-04-24 | A kind of battery charging and discharging test system |
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| CN206804834U true CN206804834U (en) | 2017-12-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108535658A (en) * | 2018-03-29 | 2018-09-14 | 宿迁杉杉运通新能源系统有限公司 | A kind of lithium battery energy storage battery total system test method |
-
2017
- 2017-04-24 CN CN201720436583.1U patent/CN206804834U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108535658A (en) * | 2018-03-29 | 2018-09-14 | 宿迁杉杉运通新能源系统有限公司 | A kind of lithium battery energy storage battery total system test method |
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