CN105044618A - Energy-type power cell evaluation system used for pure electric vehicle and evaluation method - Google Patents
Energy-type power cell evaluation system used for pure electric vehicle and evaluation method Download PDFInfo
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- CN105044618A CN105044618A CN201510527622.4A CN201510527622A CN105044618A CN 105044618 A CN105044618 A CN 105044618A CN 201510527622 A CN201510527622 A CN 201510527622A CN 105044618 A CN105044618 A CN 105044618A
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Abstract
An energy-type power cell evaluation system used for a pure electric vehicle and an evaluation method belong to the cell evaluation system field. An existing energy-type power cell evaluation system used for the pure electric vehicle and an existing evaluation method lack an evaluation basis. The energy-type power cell evaluation system used for the pure electric vehicle comprises an energy-type power cell capability evaluation control module used for the pure electric vehicle and an energy-type power cell capability evaluation database used for the pure electric vehicle. In the energy-type power cell evaluation method used for the pure electric vehicle, under a 0 DEG C-40 DEG C condition, energy-type power cell capability data used for the pure electric vehicle, which is tested by an energy-type power cell performance test device used for the pure electric vehicle, is transmitted to the energy-type power cell capability evaluation control module used for the pure electric vehicle; the energy-type power cell capability evaluation control module used for the pure electric vehicle calls an evaluation criterion used by each subprogram module to evaluate seven test experiment data to carry out corresponding capability evaluation respectively so as to obtain an energy-type power cell capability conclusion used for the pure electric vehicle.
Description
Technical field
The present invention relates to a kind of pure electric automobile energy type electrokinetic cell evaluation system and evaluation method.
Background technology
Pure electric automobile energy type electrokinetic cell starter motor and electrokinetic cell system when normally travelling, starting, climb and accelerating.The effect of power stage, Brake energy recovery when pure electric automobile energy type electrokinetic cell plays long, ensures the continual mileage of the longer distance of car load.
Current, pure electric automobile field lacks Appreciation gist to power vehicle aptitude tests, and evaluation system and the method for corresponding automobile energy type electrokinetic cell are still in blank.Battery is used directly, and cannot learn whether existing energy type electrokinetic cell meets the demand of pure electric automobile.Easily there is accident in driving process, battery cannot be fully used.
Electric automobile field lacks Appreciation gist to pure electronic vapour aptitude tests, energy type power battery charging ability, car load continual mileage ability, car load hundred kilometers of acceleration capacities, car load startup ability and braking recovery ability cannot be realized, and the evaluation of energy type electrokinetic cell energy efficiency and coulombic efficiency.
Summary of the invention
The object of the invention is the problem in order to solve existing pure electric automobile energy type electrokinetic cell evaluation system and evaluation method shortage Appreciation gist, and propose a kind of pure electric automobile energy type electrokinetic cell evaluation system and evaluation method.
A kind of pure electric automobile energy type electrokinetic cell evaluation system, pure electric automobile energy type electrokinetic cell evaluation system comprises:
For the pure electric automobile energy type electrokinetic cell ability evaluation and test control module of data base call;
For evaluating the pure electric automobile energy type electrokinetic cell merit rating database of pure electric automobile energy type electrokinetic cell ability; Wherein, described pure electric automobile energy type electrokinetic cell merit rating database also comprises:
Charging ability for evaluating pure electric automobile energy type power battery charging ability evaluates subroutine module;
For evaluating the continual mileage merit rating subroutine module of whole pure electric vehicle continual mileage;
Car load hundred kilometers of acceleration capacities for evaluating whole pure electric vehicle hundred kilometers of acceleration capacities evaluate subroutine module;
The car load starting ability for evaluating whole pure electric vehicle starts merit rating subroutine module;
For evaluating the Brake energy recovery merit rating subroutine module of braking of battery electric vehicle energy regenerating ability;
For evaluating the energy efficiency merit rating subroutine module of pure electric automobile energy type electrokinetic cell energy efficiency ability;
For evaluating the coulombic efficiency merit rating subroutine module of pure electric automobile energy type electrokinetic cell coulombic efficiency ability.
A kind of pure electric automobile energy type electrokinetic cell evaluation method, it realizes according to the following steps:
Step one: be under the condition of 0 DEG C ~ 40 DEG C in environment temperature, use pure electric automobile energy type electrokinetic cell performance testing device, ability is started to the voltage of pure electric automobile energy type electrokinetic cell, electric current, pure electric automobile energy type power battery charging ability, car load continual mileage ability, car load hundred kilometers of acceleration capacities, car load, Brake energy recovery ability, energy efficiency, coulombic efficiency ability, temperature and time parameter test;
Step 2: pure electric automobile is with energy type electrokinetic cell performance testing device by CAN, and the test data of pure electric automobile energy type power battery charging ability step one recorded, car load continual mileage ability, car load hundred kilometers of acceleration capacities, car load startup ability, Brake energy recovery ability, energy efficiency, coulombic efficiency ability sends pure electric automobile energy type electrokinetic cell ability evaluation and test control module to;
Step 3: the pure electric automobile energy type electrokinetic cell ability evaluation and test control module charging ability called respectively in pure electric automobile energy type electrokinetic cell merit rating database evaluates subroutine module, continual mileage merit rating subroutine module, car load hundred kilometers of acceleration capacities evaluate subroutine module, car load starts merit rating subroutine module, Brake energy recovery merit rating subroutine module, energy efficiency merit rating subroutine module and coulombic efficiency merit rating subroutine mould, obtain the interpretational criteria of seven testing experiment data respectively;
Step 4: each subroutine module utilizing step 3 to call, step one is tested to the pure electric automobile energy type power battery charging ability, car load continual mileage ability, car load hundred kilometers of acceleration capacities, the car load that obtain start ability, Brake energy recovery ability, energy efficiency, these seven testing experiment data of coulombic efficiency ability carry out corresponding merit rating, draw seven merit rating conclusions of pure electric automobile energy type electrokinetic cell.
Beneficial effect of the present invention is:
Pure electric automobile uses energy type electrokinetic cell, pure electric automobile of the present invention uses energy type electrokinetic cell evaluation system and method thereof, to the normal traveling of pure electric automobile energy type electrokinetic cell, startup, climbing and when accelerating starter motor and electrokinetic cell system control.Pure electric automobile energy type electrokinetic cell evaluation system comprises: pure electric automobile energy type electrokinetic cell ability evaluation and test control module, charging ability evaluates subroutine module, continual mileage merit rating subroutine module, car load hundred kilometers of acceleration capacities evaluate subroutine module, car load starts merit rating subroutine module, Brake energy recovery merit rating subroutine module, energy efficiency merit rating subroutine module and coulombic efficiency merit rating subroutine mould, for power stage when pure electric automobile energy type electrokinetic cell plays long, the effect of Brake energy recovery, ensure that the continual mileage of the longer distance of car load controls.By pure electric automobile energy type electrokinetic cell evaluation method to calling each subroutine module, the test data that pure electric automobile energy type electrokinetic cell performance testing device obtains is evaluated, by respectively by 0 ~ 10 DEG C, pure electric automobile energy type power battery charging ability under 10 DEG C ~ 40 DEG C environment, car load continual mileage ability, car load hundred kilometers of acceleration capacities, car load starts ability, Brake energy recovery ability, energy efficiency, the contrast of coulombic efficiency ability seven abilities and the corresponding index of each ability under 25 DEG C of states, evaluate pure electric automobile energy type electrokinetic cell ability.Thus the accurate state of clear and definite battery and vehicle complete vehicle, fully improve the service efficiency of battery.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of the inventive method;
Embodiment
Embodiment one:
The pure electric automobile energy type electrokinetic cell evaluation system of present embodiment, a kind of pure electric automobile energy type electrokinetic cell evaluation system comprises:
For the pure electric automobile energy type electrokinetic cell ability evaluation and test control module of data base call;
For evaluating the pure electric automobile energy type electrokinetic cell merit rating database of pure electric automobile energy type electrokinetic cell ability; Wherein, described pure electric automobile energy type electrokinetic cell merit rating database also comprises:
Charging ability for evaluating pure electric automobile energy type power battery charging ability evaluates subroutine module;
For evaluating the continual mileage merit rating subroutine module of whole pure electric vehicle continual mileage;
Car load hundred kilometers of acceleration capacities for evaluating whole pure electric vehicle hundred kilometers of acceleration capacities evaluate subroutine module;
The car load starting ability for evaluating whole pure electric vehicle starts merit rating subroutine module;
For evaluating the Brake energy recovery merit rating subroutine module of braking of battery electric vehicle energy regenerating ability;
For evaluating the energy efficiency merit rating subroutine module of pure electric automobile energy type electrokinetic cell energy efficiency ability;
For evaluating the coulombic efficiency merit rating subroutine module of pure electric automobile energy type electrokinetic cell coulombic efficiency ability.
Embodiment two:
Utilize the pure electric automobile energy type electrokinetic cell evaluation method that above-mentioned pure electric automobile energy type electrokinetic cell system carries out, realize according to the following steps:
Step one: be under the condition of 0 DEG C ~ 40 DEG C in environment temperature, use pure electric automobile energy type electrokinetic cell performance testing device, ability is started to the voltage of pure electric automobile energy type electrokinetic cell, electric current, pure electric automobile energy type power battery charging ability, car load continual mileage ability, car load hundred kilometers of acceleration capacities, car load, Brake energy recovery ability, energy efficiency, coulombic efficiency ability, temperature and time parameter test; Wherein, the testing device for power cells that pure electric automobile energy type electrokinetic cell performance testing device selects Arbin company of the U.S. to produce, model is EVTS400.
1. charging ability test:
First, carry out electrokinetic cell 1C multiplying power current charges under 0 DEG C ~ 40 DEG C environment, be 0 charge to charging capacity corresponding to upper voltage limit (Ah) by SOC (dump energy), be designated as Ccha;
Then, carry out electrokinetic cell 1C multiplying power current charges under 25 DEG C of conditions, be 0 charge to charging capacity corresponding to upper voltage limit (Ah) by SOC, be designated as Cdis_25;
Carry out the calculating of Ccha/Cdis_25, obtain charging ability.
Measurement data: charging current and duration of charging, discharge current and discharge time, charging capacity and discharge capacity, temperature.
2. continual mileage aptitude tests:
First, under carrying out 0 DEG C ~ 40 DEG C environment, electrokinetic cell 1C multiplying power discharging is tested, and electrokinetic cell original state is SOC=100%, is discharged to cut-off voltage, record discharge energy (Wh) record;
Then, by the corresponding relation of discharge energy and continual mileage, continual mileage is obtained.
Measurement data: discharge current, discharge time, cell voltage, discharge energy.
3. car load starts aptitude tests:
Specifying in start-up time, under 0 DEG C ~ 40 DEG C environment, test the ability that electrokinetic cell continues to export the firm power required.
Measurement data: discharge current, discharge time, discharge power
4. Brake energy recovery aptitude tests:
First, under carrying out 0 DEG C ~ 40 DEG C environment, (in braking procedure, electrokinetic cell is in charged state) is tested in braking, record rechargeable energy Echa_brk;
Then, record braking exports ENERGY E brk;
Calculate Echa_brk/Ebrk.
Rechargeable energy Echa_brk: charging current, cell voltage and braking time battery the integrated value of duration of charging three product;
Braking exports ENERGY E brk: charging current, cell voltage and the integrated value with braking procedure time three's product;
In the duration of charging of battery during braking: in braking procedure, charge to the time duration of charging <=braking procedure time of battery (during the braking) of upper voltage limit.
Measurement data: the charging current of braking procedure and duration of charging.
5. energy efficiency aptitude tests:
First, carry out electrokinetic cell 1C multiplying power current charges experiment under 0 DEG C ~ 40 DEG C environment, be 0 charge to rechargeable energy corresponding to upper voltage limit (Wh) by SOC, be designated as Echa; Then under carrying out 0 DEG C ~ 40 DEG C environment, electrokinetic cell 1C multiplying power current discharge is tested, and is discharged to discharge energy corresponding to cut-off voltage (Wh), is designated as Edis;
Use Echa/Edis energy efficiency, evaluate energy efficiency ability.
Measurement data: charging current, duration of charging, charging voltage; Discharge current, discharge time, sparking voltage
The test of 6.0 DEG C ~ 40 DEG C coulombic efficiency abilities (at identical temperature, discharge capacity of the cell Cdis (Ah) and the ratio with charging capacity Ccha in cyclic process (Ah), Ccha/Cdis):
First, under carrying out 0 DEG C ~ 40 DEG C environment, electrokinetic cell 1C multiplying power current charges is tested, battery record charging capacity Ccha (Ah);
Then, electrokinetic cell 1C multiplying power current discharge experiment under 0 DEG C ~ 40 DEG C environment, record discharge capacity of the cell Cdis (Ah);
Carry out Ccha/Cdis calculating, evaluate coulombic efficiency.
Measurement data: charging current, duration of charging; Discharge current, discharge time.
Step 2: pure electric automobile is with energy type electrokinetic cell performance testing device by CAN, and the test data of pure electric automobile energy type power battery charging ability step one recorded, car load continual mileage ability, car load hundred kilometers of acceleration capacities, car load startup ability, Brake energy recovery ability, energy efficiency, coulombic efficiency ability sends pure electric automobile energy type electrokinetic cell ability evaluation and test control module to;
Step 3: the pure electric automobile energy type electrokinetic cell ability evaluation and test control module charging ability called respectively in pure electric automobile energy type electrokinetic cell merit rating database evaluates subroutine module, continual mileage merit rating subroutine module, car load hundred kilometers of acceleration capacities evaluate subroutine module, car load starts merit rating subroutine module, Brake energy recovery merit rating subroutine module, energy efficiency merit rating subroutine module and coulombic efficiency merit rating subroutine mould, obtain the interpretational criteria of seven testing experiment data respectively;
Step 4: each subroutine module utilizing step 3 to call, step one is tested to the pure electric automobile energy type power battery charging ability, car load continual mileage ability, car load hundred kilometers of acceleration capacities, the car load that obtain start ability, Brake energy recovery ability, energy efficiency, these seven testing experiment data of coulombic efficiency ability carry out corresponding merit rating, draw seven merit rating conclusions of pure electric automobile energy type electrokinetic cell.
Embodiment three:
The process that seven testing experiment data described in the pure electric automobile energy type electrokinetic cell evaluation method step 4 of present embodiment carry out the evaluation of respective capabilities is,
With the corresponding Indexes Comparison of each ability under 25 DEG C of states:
When environment temperature be 0 DEG C to 10 DEG C pure electric automobile energy type power battery charging ability, car load continual mileage ability, car load hundred kilometers of acceleration capacities, car load start ability, Brake energy recovery ability, energy efficiency, coulombic efficiency ability seven abilities under being 25 DEG C of states the corresponding index of each ability more than 90%, be evaluated as excellent; Be more than 80% of the corresponding index of each ability under 25 DEG C of states, be evaluated as good; Be more than 70% of the corresponding index of each ability under 25 DEG C of states, it is qualified to be evaluated as; Be less than 70% of the corresponding index of each ability under 25 degree of states, be evaluated as difference;
When the pure electric automobile energy type power battery charging ability of environment temperature 10 DEG C to 40 DEG C, car load continual mileage ability, car load hundred kilometers of acceleration capacities, car load start ability, Brake energy recovery ability, energy efficiency, coulombic efficiency ability seven abilities under being 25 DEG C of states the corresponding index of each ability more than 95%, be evaluated as excellent;
When the pure electric automobile energy type power battery charging ability of environment temperature 10 DEG C to 40 DEG C, car load continual mileage ability, car load hundred kilometers of acceleration capacities, car load start ability, Brake energy recovery ability, energy efficiency, coulombic efficiency ability seven abilities under being 25 DEG C of states the corresponding index of each ability more than 90%, be evaluated as good;
When the pure electric automobile energy type power battery charging ability of environment temperature 10 DEG C to 40 DEG C, car load continual mileage ability, car load hundred kilometers of acceleration capacities, car load start ability, Brake energy recovery ability, energy efficiency, coulombic efficiency ability seven abilities under being 25 degree of states the corresponding index of each ability more than 80%, it is qualified to be evaluated as;
When the pure electric automobile energy type power battery charging ability of environment temperature 10 DEG C to 40 DEG C, car load continual mileage ability, car load hundred kilometers of acceleration capacities, car load start ability, Brake energy recovery ability, energy efficiency, coulombic efficiency ability seven abilities under being 25 DEG C of states the corresponding index of each ability less than 80%, be evaluated as difference.
The present invention also can have other various embodiments; when not deviating from the present invention's spirit and essence thereof; those skilled in the art are when making various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection domain that all should belong to the claim appended by the present invention.
Claims (3)
1. pure electric automobile energy type electrokinetic cell evaluation system, is characterized in that pure electric automobile energy type electrokinetic cell evaluation system comprises:
For the pure electric automobile energy type electrokinetic cell ability evaluation and test control module of data base call;
For evaluating the pure electric automobile energy type electrokinetic cell merit rating database of pure electric automobile energy type electrokinetic cell ability; Wherein, described pure electric automobile energy type electrokinetic cell merit rating database also comprises:
Charging ability for evaluating pure electric automobile energy type power battery charging ability evaluates subroutine module;
For evaluating the continual mileage merit rating subroutine module of whole pure electric vehicle continual mileage;
Car load hundred kilometers of acceleration capacities for evaluating whole pure electric vehicle hundred kilometers of acceleration capacities evaluate subroutine module;
The car load starting ability for evaluating whole pure electric vehicle starts merit rating subroutine module;
For evaluating the Brake energy recovery merit rating subroutine module of braking of battery electric vehicle energy regenerating ability;
For evaluating the energy efficiency merit rating subroutine module of pure electric automobile energy type electrokinetic cell energy efficiency ability;
For evaluating the coulombic efficiency merit rating subroutine module of pure electric automobile energy type electrokinetic cell coulombic efficiency ability.
2. utilize above-mentioned pure electric automobile energy type electrokinetic cell system to carry out a pure electric automobile energy type electrokinetic cell evaluation method, it is characterized in that it realizes according to the following steps:
Step one: be under the condition of 0 DEG C ~ 40 DEG C in environment temperature, use pure electric automobile energy type electrokinetic cell performance testing device, ability is started to the voltage of pure electric automobile energy type electrokinetic cell, electric current, pure electric automobile energy type power battery charging ability, car load continual mileage ability, car load hundred kilometers of acceleration capacities, car load, Brake energy recovery ability, energy efficiency, coulombic efficiency ability, temperature and time parameter test;
Step 2: pure electric automobile is with energy type electrokinetic cell performance testing device by CAN, and the test data of pure electric automobile energy type power battery charging ability step one recorded, car load continual mileage ability, car load hundred kilometers of acceleration capacities, car load startup ability, Brake energy recovery ability, energy efficiency, coulombic efficiency ability sends pure electric automobile energy type electrokinetic cell ability evaluation and test control module to;
Step 3: the pure electric automobile energy type electrokinetic cell ability evaluation and test control module charging ability called respectively in pure electric automobile energy type electrokinetic cell merit rating database evaluates subroutine module, continual mileage merit rating subroutine module, car load hundred kilometers of acceleration capacities evaluate subroutine module, car load starts merit rating subroutine module, Brake energy recovery merit rating subroutine module, energy efficiency merit rating subroutine module and coulombic efficiency merit rating subroutine mould, obtain the interpretational criteria of seven testing experiment data respectively;
Step 4: each subroutine module utilizing step 3 to call, step one is tested to the pure electric automobile energy type power battery charging ability, car load continual mileage ability, car load hundred kilometers of acceleration capacities, the car load that obtain start ability, Brake energy recovery ability, energy efficiency, these seven testing experiment data of coulombic efficiency ability carry out corresponding merit rating, draw seven merit rating conclusions of pure electric automobile energy type electrokinetic cell.
3. pure electric automobile energy type electrokinetic cell evaluation method according to claim 2, is characterized in that: the process that seven testing experiment data described in step 4 carry out the evaluation of respective capabilities is,
With the corresponding Indexes Comparison of each ability under 25 DEG C of states:
When environment temperature be 0 DEG C to 10 DEG C pure electric automobile energy type power battery charging ability, car load continual mileage ability, car load hundred kilometers of acceleration capacities, car load start ability, Brake energy recovery ability, energy efficiency, coulombic efficiency ability seven abilities under being 25 DEG C of states the corresponding index of each ability more than 90%, be evaluated as excellent; Be more than 80% of the corresponding index of each ability under 25 DEG C of states, be evaluated as good; Be more than 70% of the corresponding index of each ability under 25 DEG C of states, it is qualified to be evaluated as; Be less than 70% of the corresponding index of each ability under 25 degree of states, be evaluated as difference;
When the pure electric automobile energy type power battery charging ability of environment temperature 10 DEG C to 40 DEG C, car load continual mileage ability, car load hundred kilometers of acceleration capacities, car load start ability, Brake energy recovery ability, energy efficiency, coulombic efficiency ability seven abilities under being 25 DEG C of states the corresponding index of each ability more than 95%, be evaluated as excellent;
When the pure electric automobile energy type power battery charging ability of environment temperature 10 DEG C to 40 DEG C, car load continual mileage ability, car load hundred kilometers of acceleration capacities, car load start ability, Brake energy recovery ability, energy efficiency, coulombic efficiency ability seven abilities under being 25 DEG C of states the corresponding index of each ability more than 90%, be evaluated as good;
When the pure electric automobile energy type power battery charging ability of environment temperature 10 DEG C to 40 DEG C, car load continual mileage ability, car load hundred kilometers of acceleration capacities, car load start ability, Brake energy recovery ability, energy efficiency, coulombic efficiency ability seven abilities under being 25 degree of states the corresponding index of each ability more than 80%, it is qualified to be evaluated as;
When the pure electric automobile energy type power battery charging ability of environment temperature 10 DEG C to 40 DEG C, car load continual mileage ability, car load hundred kilometers of acceleration capacities, car load start ability, Brake energy recovery ability, energy efficiency, coulombic efficiency ability seven abilities under being 25 DEG C of states the corresponding index of each ability less than 80%, be evaluated as difference.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108445301A (en) * | 2018-04-02 | 2018-08-24 | 华中科技大学 | Metallization film capacitor discharging efficiency measuring device and method under a kind of high field intensity |
| CN110135688A (en) * | 2019-04-12 | 2019-08-16 | 武汉格罗夫氢能汽车有限公司 | A kind of evaluation method of fuel cell car |
-
2015
- 2015-08-25 CN CN201510527622.4A patent/CN105044618A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108445301A (en) * | 2018-04-02 | 2018-08-24 | 华中科技大学 | Metallization film capacitor discharging efficiency measuring device and method under a kind of high field intensity |
| CN110135688A (en) * | 2019-04-12 | 2019-08-16 | 武汉格罗夫氢能汽车有限公司 | A kind of evaluation method of fuel cell car |
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