CN109387789A - A kind of power battery pack system AC charging test device and method - Google Patents
A kind of power battery pack system AC charging test device and method Download PDFInfo
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- CN109387789A CN109387789A CN201811215949.8A CN201811215949A CN109387789A CN 109387789 A CN109387789 A CN 109387789A CN 201811215949 A CN201811215949 A CN 201811215949A CN 109387789 A CN109387789 A CN 109387789A
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- charging
- battery pack
- pack system
- power battery
- power
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
Abstract
Present invention discloses a kind of power battery pack system AC charging test devices, power battery pack system and Vehicular charger are placed in insulating box, the power supply interface of the charging interface connection alternating-current charging pile of the Vehicular charger, the alternating-current charging pile connects power grid by being equipped with the alternating current circuit of ammeter, the Vehicular charger is power battery pack system charging, and the output port of the power battery pack system connects charging/discharging apparatus.The present invention carries out above-mentioned test by building battery trickle charge bench simulation vehicle, and not only rack is simple, is easily achieved, and testing expense, test period can be also reduced, while can quickly find the problem, convenient for the optimization of design.
Description
Technical field
The present invention relates to Prospect of EVS Powered with Batteries engine bench test fields, and in particular to a kind of power battery pack system friendship
Current charge test method and rack.
Background technique
In recent years, with the gradually expansion of electric automobile market occupancy, the problem that the charging time is long, charging is difficult is continuous
It is exposed.It is known that the currently used charging modes of electric car are respectively as follows: exchanging trickle charge electricity, direct current charge electricity.Electricity
Electrical automobile needs Vehicular charger, alternating-current charging pile, charging gun, battery management system, vehicle control when using exchanging trickle charge electricity
It cooperates between the modules such as device processed and necessary vehicle trickle charge harness.
It is found by marketing data analysis, before 2016, pure electric automobile course continuation mileage is generally on the left side 150km-200km
The right side, corresponding power battery pack system electricity in 20kwh or so, at this point, using the air-cooled Vehicular charger of 3.3KW to vehicle into
Row AC charging, charging time only need 6h-8h, can substantially meet requirement of the user to the charging time.And in recent years, with user
Increase to electric car course continuation mileage demand necessarily causes Prospect of EVS Powered with Batteries group system charge to increase.By
2018, electric car course continuation mileage generally increased to 350km-500km in the market, and power battery pack system electricity also increases
To 40kwh-60kwh.If the AC charging time is by original 6h- still using original common 3.3KW air-cooled Vehicular charger
8h increases to 12h-20h, has been unable to satisfy requirement of the user to the trickle charge time.In order to shorten the electric vehicle alternating-current charging time,
The complaint of user is reduced, partial automobile factory successively uses the liquid-cooled Vehicular charger of 6.6KW instead.
It is known that electric car assessment EV-Test in charging evaluation comprising the charging time, it is faster slower fill function, charging
Anti-interference, charging compatibility etc..But as vehicle evaluation index, resource needed for above-mentioned test is huge, the period is longer, costly.
Summary of the invention
The technical problem to be solved by the present invention is to realize that a kind of structure is simple, reliable operation, the power electric being easily achieved
Pond group system AC charging test macro and method.
To achieve the goals above, a kind of the technical solution adopted by the present invention are as follows: power battery pack system AC charging survey
Trial assembly is set, and power battery pack system and Vehicular charger are placed in insulating box, the charging interface connection of the Vehicular charger
The power supply interface of alternating-current charging pile, the alternating-current charging pile connects power grid by being equipped with the alternating current circuit of ammeter, described vehicle-mounted to fill
Motor is power battery pack system charging, and the output port of the power battery pack system connects charging/discharging apparatus.
By CAN connection between the power battery pack system and Vehicular charger, the power battery pack system and fill
By CAN connection between discharge equipment, the charging/discharging apparatus is controlled by computer, the Vehicular charger and alternating-current charging pile it
Between pass through CAN connection.
Parallel power analyzer between the power battery pack system and Vehicular charger, the power analyzer obtain vehicle
Carry the electricity Q that charger is delivered to power battery pack systemWT500。
The Vehicular charger is equipped with water cooling plant, and the cooling water outlet of the Vehicular charger is cooling by piping connection
Fan assembly water inlet, the cooling fan assembly water outlet connect expansion tank, and institute's expansion tank is passed through equipped with electronic water pump
The cooling water inlet of piping connection Vehicular charger, the low-voltage direct that the power battery pack system is equipped with as electronic water pump power supply
Electrical interface.
Test method based on the power battery pack system AC charging test device:
Including different temperatures discharge capacity test method；
A. power battery pack system is under empty electricity condition, and insulating box is made to be in set temperature；
B. using charging/discharging apparatus standard charging to full electricity；
C. setting time is stood, power battery pack system temperature is stablized；
D. empty electricity is discharged to using charging/discharging apparatus standard；
The discharge capacity recorded in test method remembers QStandard electric discharge；Maximum temperature difference is denoted as △ T in overall processStandard electric discharge。
Further include AC charging test method under different temperatures:
A. power battery pack system is under full power state, and insulating box is made to be in set temperature；
B. it is discharged to empty electricity using charging/discharging apparatus simulation vehicle, and records discharge capacity and is denoted as QSimulation electric discharge, maximum in overall process
The temperature difference is denoted as △ TSimulation electric discharge, wherein simulation vehicle electric discharge operating condition used, includes city operating condition, outskirts of a town operating condition, high-speed working condition.
C. setting time is stood, power battery pack system temperature is stablized；
D. full electricity is charged to using alternating-current charging pile, and records charge capacity QWT500And QAmmeterAnd AC charging institute's used time
Between t；Maximum temperature difference is denoted as △ T in AC charging overall processAC charging；
AC charging test method under the different temperatures discharge capacity test method and different temperatures, setting at least two
The temperature error of different set temperatures, set temperature controls in 2 degrees Celsius.
Power battery pack system AC charging efficiency
Power battery pack system AC charging efficiency
The present invention carries out above-mentioned test by building battery trickle charge bench simulation vehicle, and not only rack is simple, is easily achieved,
Also testing expense, test period can be reduced, while can quickly be found the problem, convenient for the optimization of design.
Detailed description of the invention
Below to width attached drawing every in description of the invention expression content and figure in label be briefly described:
Fig. 1 is AC charging test bed apparatus figure；
Fig. 2 is water cooling plant figure in AC charging testboard bay；
In figureCAN line；For high-voltage line.
Specific embodiment
As shown in Figure 1, power battery pack system AC charging test device includes insulating box, power battery pack system, vehicle
Charger, alternating-current charging pile, charging/discharging apparatus and its control system are carried, ammeter, WT500,12V/DC power supply needed for testing, and
Low voltage wiring harness, high-voltage wiring harness, CAN line, cable, CAN tool needed for power battery pack system completes charge and discharge test etc..
Power battery pack system is placed in insulating box or thermostatic chamber, builds exchange on the basis of vehicle motorized schematic diagram
Charging measurement rack (system), the testboard bay include discharge loop and AC charging circuit.Wherein, discharge loop is by constant temperature
Case, power battery pack system, charging/discharging apparatus and its control system composition, for simulating vehicle electric discharge, to obtain discharge capacity
QSimulation electric discharge；AC charging circuit is made of insulating box, power battery pack system, Vehicular charger, alternating-current charging pile etc., is used for mould
Quasi- vehicle AC charging.In order to test power battery pack system AC charging efficiency eta1, gone here and there between power grid and alternating-current charging pile
Join ammeter, when for recording power battery pack AC charging, the electricity from power grid is denoted as QAmmeter, gained power battery pack system
AC charging efficiencyIn order to exclude Vehicular charger, charging pile to the shadow of power battery pack system charge efficiency
It ringing, the parallel power analyzer WT500 between power battery pack system and Vehicular charger, when for recording AC charging, moving
The electricity Q of power battery pack system inputWT500, gained power battery pack system AC charging efficiency
Since liquid-cooled Vehicular charger needs cooling device always in the process of running, to ensure that it carries power battery
Group system carries out the reliability of the engine bench tests such as AC charging function and performance, AC charging efficiency, AC charging compatibility, letter
Ease for operation, a set of power battery pack AC charging system circulation cooling device of our Synchronization Designs, as shown in Figure 2.The dress
It sets including Vehicular charger, cooling fan assembly, electronic water pump, expansion tank.Wherein electronic water pump passes through the control of 12V/DC power supply
System.
Wherein expansion tank need to be located at higher position, and cooling fan assembly need to be arranged vertically with Vehicular charger, in order to follow
Ring cooling device can more effectively be run.When Vehicular charger prepares to run, 12V/DC power supply is opened, electronic water pump is opened at this time
Coolant liquid in expansion tank and cooling fan assembly is sent to Vehicular charger and carries out heat exchange, after heat exchange by beginning work
Coolant liquid turns again to cooling fan assembly, to form circulating cooling system.The AC charging system circulation cooling device
Simple to operation, high reliablity.
AC charging testboard bay is built according to Fig. 1.Wherein, if Vehicular charger be it is air-cooled, filled without building exchange
Electric system cooling back installation；If Vehicular charger is liquid-cooled, it is cooling to need to build AC charging system circulation according to Fig. 2
Device, to ensure that Vehicular charger can effectively be run.
The rack can realize under different temperatures discharge capacity and discharge process (containing high temperature, room temperature, low temperature) through the invention
(contain high temperature, room temperature, low temperature) AC charging function and performance under middle temperature uniformity test and different temperatures, charge efficiency,
The test such as temperature consistency, charging compatibility in charging time, charging process.Test method is described as follows:
Volume test at a temperature of T:
1, battery pack system is under empty electricity condition, and environment adapts at a temperature of T, and the temperature difference is controlled at 2 DEG C；
2, using charging/discharging apparatus standard charging to full electricity, and BMS host computer data, charging/discharging apparatus data are recorded；
3, environment adapts at a temperature of T, and the temperature difference is controlled at 2 DEG C；
4, it is discharged to empty electricity using charging/discharging apparatus standard, and records BMS host computer data, charging/discharging apparatus data, put
Electricity is denoted as QStandard electric discharge；Maximum temperature difference is denoted as △ T in overall processStandard electric discharge。
AC charging is tested at a temperature of T:
1, battery pack system is under full power state, and environment adapts at a temperature of T, and the temperature difference is controlled at 2 DEG C；
2, it is discharged to empty electricity using charging/discharging apparatus simulation vehicle, and records BMS host computer data, charging/discharging apparatus number
According to discharge capacity is denoted as QSimulation electric discharge, maximum temperature difference is denoted as △ T in overall processSimulation electric discharge.Wherein, simulation vehicle electric discharge operating condition used, is answered
It as far as possible include city operating condition, outskirts of a town operating condition, high-speed working condition.
3, environment adapts at a temperature of T, and the temperature difference is controlled at 2 DEG C；
4, full electricity is charged to using alternating-current charging pile, and records charge capacityQWT500And QAmmeterAnd AC charging institute's used time
Between t；Maximum temperature difference is denoted as △ T in AC charging overall processAC charging；
Above-described environment adapts to, and room temperature and hot environment lower stage adapt to be not less than 6h, and low temperature environment lower stage is suitable
16h should be not less than.Successively carry out above-mentioned test, correlation test can be obtained the result is as follows:
A kind of power battery pack system AC charging test method of the present invention be based on AC charging testboard bay and
AC charging system circulation refrigeration bench frame is implemented, and the test method and rack are simple, be easily achieved, operability is strong, can
By property height, and testing expense is low, the period is short, being capable of more preferable simulation vehicle actual conditions.
The present invention is exemplarily described above in conjunction with attached drawing, it is clear that the present invention implements not by aforesaid way
Limitation, as long as the improvement for the various unsubstantialities that the inventive concept and technical scheme of the present invention carry out is used, or without changing
It is within the scope of the present invention into the conception and technical scheme of the invention are directly applied to other occasions.
Claims (8)
1. a kind of power battery pack system AC charging test device, it is characterised in that: power battery pack system and vehicle-mounted charge
Machine is placed in insulating box, and the power supply interface of the charging interface connection alternating-current charging pile of the Vehicular charger, the exchange is filled
Electric stake connects power grid by being equipped with the alternating current circuit of ammeter, and the Vehicular charger is power battery pack system charging, described dynamic
The output port of power battery pack system connects charging/discharging apparatus.
2. power battery pack system AC charging test device according to claim 1, it is characterised in that: the power electric
By CAN connection between pond group system and Vehicular charger, pass through CAN between the power battery pack system and charging/discharging apparatus
Connection, the charging/discharging apparatus are controlled by computer, pass through CAN connection between the Vehicular charger and alternating-current charging pile.
3. power battery pack system AC charging test device according to claim 2, it is characterised in that: the power electric
Parallel power analyzer between pond group system and Vehicular charger, the power analyzer obtain Vehicular charger and are delivered to power
The electricity Q of battery pack systemWT500。
4. power battery pack system AC charging test device according to claim 1,2 or 3, it is characterised in that: described
Vehicular charger is equipped with water cooling plant, and the cooling water outlet of the Vehicular charger enters water by piping connection cooling fan assembly
Mouthful, the cooling fan assembly water outlet connects expansion tank, and it is vehicle-mounted that institute's expansion tank passes through the piping connection equipped with electronic water pump
The cooling water inlet of charger, the low-voltage direct electrical interface that the power battery pack system is equipped with as electronic water pump power supply.
5. the test method based on power battery pack system AC charging test device described in claim 1-4, it is characterised in that:
Including different temperatures discharge capacity test method；
A. power battery pack system is under empty electricity condition, and insulating box is made to be in set temperature；
B. using charging/discharging apparatus standard charging to full electricity；
C. setting time is stood, power battery pack system temperature is stablized；
D. empty electricity is discharged to using charging/discharging apparatus standard；
The discharge capacity recorded in test method remembers QStandard electric discharge；Maximum temperature difference is denoted as △ T in overall processStandard electric discharge。
6. test method according to claim 5, it is characterised in that:
Further include AC charging test method under different temperatures:
A. power battery pack system is under full power state, and insulating box is made to be in set temperature；
B. it is discharged to empty electricity using charging/discharging apparatus simulation vehicle, and records discharge capacity and is denoted as QSimulation electric discharge, maximum temperature difference in overall process
It is denoted as △ TSimulation electric discharge, wherein simulation vehicle electric discharge operating condition used, includes city operating condition, outskirts of a town operating condition, high-speed working condition.
C. setting time is stood, power battery pack system temperature is stablized；
D. full electricity is charged to using alternating-current charging pile, and records charge capacity QWT500And QAmmeterAnd time t used in AC charging；
Maximum temperature difference is denoted as △ T in AC charging overall processAC charging。
7. test method according to claim 6, it is characterised in that:
AC charging test method under the different temperatures discharge capacity test method and different temperatures, setting at least two are different
Set temperature, the temperature error of set temperature controls in 2 degrees Celsius.
8. test method according to claim 7, it is characterised in that:
Power battery pack system AC charging efficiency
Power battery pack system AC charging efficiency
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811215949.8A CN109387789A (en) | 2018-10-18 | 2018-10-18 | A kind of power battery pack system AC charging test device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811215949.8A CN109387789A (en) | 2018-10-18 | 2018-10-18 | A kind of power battery pack system AC charging test device and method |
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| CN109387789A true CN109387789A (en) | 2019-02-26 |
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| CN201811215949.8A Pending CN109387789A (en) | 2018-10-18 | 2018-10-18 | A kind of power battery pack system AC charging test device and method |
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| WO2005043084A2 (en) * | 2003-10-28 | 2005-05-12 | Elucid Partners S.A. | A tap- resistant system with an optical device |
| CN102288920A (en) * | 2011-05-11 | 2011-12-21 | 重庆长安汽车股份有限公司 | Heat damage testing rack for nickel-hydrogen power battery |
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Application publication date: 20190226 |