CN205921421U - Dual -battery system double cell number of cycles controlling means - Google Patents
Dual -battery system double cell number of cycles controlling means Download PDFInfo
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- CN205921421U CN205921421U CN201620823483.XU CN201620823483U CN205921421U CN 205921421 U CN205921421 U CN 205921421U CN 201620823483 U CN201620823483 U CN 201620823483U CN 205921421 U CN205921421 U CN 205921421U
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- 230000009977 dual effect Effects 0.000 title claims abstract description 31
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 230000000052 comparative effect Effects 0.000 claims abstract description 5
- 230000005611 electricity Effects 0.000 claims description 28
- 238000007599 discharging Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 description 13
- 238000004064 recycling Methods 0.000 description 13
- 238000012544 monitoring process Methods 0.000 description 11
- 230000008901 benefit Effects 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- 238000012806 monitoring device Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000036541 health Effects 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 208000032953 Device battery issue Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
The utility model relates to an electric automobile technical, the utility model discloses a dual -battery system battery number of cycles controlling means, it specifically includes first battery system, second battery system and double cell number of cycles controller, first battery system, second battery system are connected with the double cell number of cycles controller respectively, the double cell number of cycles controller includes detection device, memory, treater, comparator, detection device, memory, treater, comparator are consecutive, two battery systems of the comparative result of comparator control get into charge or the discharge circuit in, detection device is used for detecting the battery measurement data, the memory is used for saving the battery measurement data, the treater is used for turning into actual battery number of cycles with state of charge SOC, the comparator is used for the battery number of cycles of two battery systems of comparison, selects to recycle that the few battery of number of times is preferential charges or discharge.
Description
Technical field
This utility model is related to electric vehicle engineering, controls dress particularly to a kind of dual battery system double cell cycle-index
Put.
Background technology
Petering out with petroleum resources, electric automobile (electron-volt) has obtained sending out well in recent years
Exhibition, especially Graphene are as battery raw material breakthrough technically so that large-scale promotion electric automobile increasingly constitutes possibility.
Electric automobile refers to vehicle power as power, the vehicle being travelled with power wheel.It more saves compared to gasoline automobile
Energy environmental protection, is therefore promoted by countries in the world.
Existing electric automobile adopts a set of independent battery structure system substantially, and independent battery structure is relatively easy.
For being compared to independent a set of battery system structure, dual battery system has much superior performance, but in view of structure and control
Principle processed is more complicated so that dual battery system is not developed.
Content of the invention
The purpose of this utility model is: for not having a kind of double cell to control in prior art, leads to be difficult to double
The technical problem of battery, the utility model discloses a kind of dual battery system double cell cycle-index control device.
The technical solution adopted in the utility model is such that
The utility model discloses the utility model discloses a kind of dual battery system circulating battery time number control device, its
Specifically include the first battery system, the second battery system and double cell cycle-index controller, described first battery system, second
Battery system is connected with double cell cycle-index controller respectively, and described double cell cycle-index controller includes detection dress
Put, memorizer, processor, comparator, described detection means, memorizer, processor, comparator be sequentially connected, described comparator
Comparative result control two battery systems to enter in charge or discharge circuit；Described detection means is used for battery charging and discharging
Data is detected；Described memorizer is used for storage battery discharge and recharge data；Described processor is used for converting state-of-charge soc
For actual circulating battery number of times；Described comparator is used for comparing the circulating battery number of times of two battery systems, selects circulation to make
With the preferential charge or discharge of the few battery of number of times.Realize dual battery system circulating battery number of times by said system to control.
Further, above-mentioned detection device connects the first battery system and the second battery system by can bus, obtains
The voltage of battery system, electric current and state-of-charge soc.By the information of can bus quick obtaining to two battery systems, realize
Process is simple, is easy to control.
Further, above-mentioned double cell cycle-index controller can be single-chip microcomputer or integrated ic chip.Single-chip microcomputer
Benefit be internal control logic can flexibly be set as needed, such as can be set according to different external environment conditions
Put different control of discharge strategies.The benefit of integrated ic chip is then to produce in batches, produces precision more preferably, is more suitable for advising greatly
Mould is applied.
Further, above-mentioned battery system includes multiple batteries, and each battery is correspondingly arranged a Voltage measure, electricity
The quantity of pressure measuring device is equal with the quantity of battery and each Voltage measure connects batteries.This utility model can be high-precision
The collection monomer battery voltage of degree, the estimation for batteries of electric automobile dump energy soc provides reliable foundation, and the side of realization
Formula is simple, with low cost.
Further, above-mentioned dual battery system double cell cycle-index controller also includes two temperature meters, institute
State temperature meter for measure two sets of battery systems temperature.By temperature detection, battery is in by guard mode, when
When the temperature of battery is detected and exceeding design temperature threshold value, cut-out battery discharging circuit is to protect battery.
Further, above-mentioned dual battery system double cell cycle-index controller also includes protection circuit, described protection
The dump energy that circuit is used for according to battery controls the break-make of power supply circuits.Exhausted it is ensured that car with the electricity preventing automobile batteries
Can normally start safely.
Further, above-mentioned dual battery system double cell cycle-index controller also includes battery protection fuse,
Including conducting strip, it is connected to the cell connection terminal that the melt of the conducting strip left and right sides and melt are connected, if being provided with melt
The sealing hole of dry longitudinal arrangement, the hole between two neighbouring sealing holes is formed as having jurisdiction over footpath, fills out in the injection of sealing in the hole
It is filled with plastic cement, by conducting strip, melt and cell connection terminal plastic packaging in one, melt is wrapped in plastic cement plastic cement.Fuse can
To be arranged in the battery module of electric automobile, each aluminum-shell battery in battery module is protected, when in battery module
Certain aluminum-shell battery occur current overload or be short-circuited fault when, the melt of fuse disconnects at linchpin footpath, protects battery
In module, other normal aluminum-shell batteries avoid damaging, it is to avoid cause driving faults it is ensured that the normally travel of electric automobile.When
So, this protection device is not required, only a kind of scheme being more highly preferred to.
In sum, due to employing technique scheme, the beneficial effects of the utility model are: realize single one
Electric discharge device discharges to two sets of battery systems, and is capable of the defencive function to two sets of battery systems, makes two sets of electricity
Cell system recycles number of times and is maintained in the range of certain threshold value, balancedly two sets of battery systems is utilized.
Brief description
Fig. 1 is dual battery system circulating battery of the present utility model time number control device structural representation.
Specific embodiment
With reference to specific embodiment, this utility model is described in detail.
In order that the purpose of this utility model, technical scheme and advantage become more apparent, with reference to embodiments, to this
Utility model is further elaborated.It should be appreciated that specific embodiment described herein is only in order to explain this practicality
New, it is not used to limit this utility model.
Fig. 1 is dual battery system circulating battery of the present utility model time number control device structural representation.Wherein bcc is inspection
Survey module and can detect record battery temperature, voltage, cycle-index；Vcu is integrated with controller, has calculating, selection, storage work(
Energy；Relay is catalyst, is carried out device, it is possible to achieve path and disconnection, under on-state, this battery is just used；
Charger is charger, including DC charging and AC charging.
The utility model discloses a kind of dual battery system circulating battery time number control device, it specifically includes the first battery
System, the second battery system and double cell cycle-index controller, described first battery system, the second battery system respectively with double
Circulating battery number controller is connected, described double cell cycle-index controller include detection means, memorizer, processor,
Comparator, described detection means, memorizer, processor, comparator are sequentially connected, and the comparative result of described comparator controls two
Battery system enters in charge or discharge circuit；Described detection means is used for battery charging and discharging data is detected；Described
Memorizer is used for storage battery discharge and recharge data；Described processor is used for state-of-charge soc is converted into the circulating battery of reality
Number of times；Described comparator is used for comparing the circulating battery number of times of two battery systems, selects the few battery of recycling number of times excellent
First charge or discharge.Realize dual battery system circulating battery number of times by said system to control.
By just can realize the control of discharge of two sets of battery systems using above-mentioned double cell cycle-index controller, and
Following control of discharge logics is intended merely to this utility model occupation mode when use is better described, and can not be used for limiting
Make use of the present utility model.Because the principle of protection object, this utility model does not also claim to following control logic.
Following contents is intended merely to being best understood from and realizing of those skilled in the art.
The utility model discloses a kind of dual battery system double cell cycle-index control method, it specifically includes following
Step: step one, using two batteries of enumerator real-time monitoring recycling number of times, each battery charge or discharge one
Secondary, its corresponding enumerator adds 1；Step 2, when monitoring device get needs charge or need power supply when, compare two electricity
The recycling number of times in pond, selects to recycle the few preferential charge or discharge of battery of number of times.Mistake in charge or discharge
In journey, dual battery system is recycled with the control of number of times, makes two battery systems be maintained at certain recycling number of times difference model
In enclosing, two battery performances are made to keep close, thus improving the performance of whole battery system.
A kind of dual battery system double cell cycle-index control method, it specifically includes below step: step one, battery
Management system bms(battery manage system) battery charging and discharging is recorded, wherein record data includes every time
Soc(state of charge during discharge and recharge) value changes scope and number of times；Step 2, by logical order to soc=0% extremely
Soc=100% carries out conversion and calculates, and draws the circulating battery number of times of reality.Step 3, when monitoring device get needs charge or
When person needs power supply, compare the recycling number of times of two batteries, select to recycle the few battery of number of times preferential charge or
Electric discharge.Step 4, battery management system (bms) detect simultaneously and calculate the health degree soh(state of of battery cell
Health), the threshold values of cycle-index is adjusted by different soh values.When the soh value of two battery bags differs by more than 20%, two
The cycle-index threshold values of individual battery system starts to change, and sets out two not according to two soh values and its two variables of difference
Same cycle-index, the larger battery system cycle-index value of soh value is also larger.Step 5 but two battery systems decay to volume
Constant volume 85% when, now circulate time number of times threshold values and draw close toward centre again, and differ number of times and not can exceed that 3 times.
Further, said method also includes judging that charge mode is to fill soon or trickle charge, combined charge pattern and two
The corresponding battery of recycling selection of times of individual battery.
Further, said method also includes judging the electricity of two batteries, the electricity in conjunction with two batteries and two
The corresponding battery of recycling selection of times of battery.
Further, said method also includes electricity with reference to two batteries, charge mode and and the following of two batteries
Ring access times select corresponding battery.
The invention also discloses a kind of dual battery system double cell cycle-index control system, it specifically includes two
The recycling number of times monitoring means of battery and battery select unit；The recycling number of times monitoring means of described two batteries are used
In the recycling number of times using two batteries of enumerator real-time monitoring, once, it is corresponding for each battery charge or discharge
Enumerator adds 1；Described battery select unit is used for, when monitoring device gets needs and charges or need power supply, comparing two
The recycling number of times of battery, selects to recycle the few preferential charge or discharge of battery of number of times.In charge or discharge
During to dual battery system recycle number of times control, make two battery systems be maintained at certain recycling number of times difference
In the range of, make two battery performances keep close, thus improving the performance of whole battery system.
Control strategy when judging this charging modes for trickle charge, makes two sets of battery system cycle-indexes be maintained at necessarily
Value range in.
Step 2 can also particularly as follows:
Step s202. judges charge mode, when for filling soon, continues step s203, otherwise enters step s204；
Step s203. compares the power that accepts of two sets of battery systems, and selection accepts the high battery system of power and preferentially charges；
Step s204. compares the recycling number of times of two sets of battery systems, selects to recycle the few battery system of number of times
Preferential charging；
Step s205. compares the state-of-charge of two sets of battery systems, and the battery system selecting state-of-charge low preferentially charges.
After two batteries all charge, also relate to the use of two sets of battery systems.
The utility model discloses a kind of dual battery system discharge control method, it specifically includes below step: upper electricity
When, after monitoring the electricity in two sets of battery systems and comparing, select the more battery of electricity as currently used battery.Upper
When electric, select the more battery of electricity as currently used battery, such as occur using the battery electric quantity more than former electricity in process
It is depleted to below another piece of battery capacity.Upper once go up electricity previous as do not automatically switched.When ambient temperature temperature
When too low, two sets of batteries need to retain 5% electricity, when the electricity of battery reaches the use threshold value of 5% electricity, carry out electric discharge control
System.
The utility model discloses also a kind of dual battery system discharge control system, it specifically includes monitoring cell electricity quantity list
Unit, comparing unit and select unit, described monitoring cell electricity quantity unit is used for the electricity in two sets of battery systems of monitoring；Described ratio
It is used for comparing the electricity in two sets of battery systems and comparative result being sent to select unit compared with unit；Described select unit is used for
Select the more battery of electricity in upper electricity as currently used battery.
Further, said system also includes temperature monitoring unit, and described temperature monitoring unit is used for monitoring two batteries
Temperature and set different temperatures corresponding lower limit discharge capacity threshold value, and be sent to select unit；Currently electricity is judged according to temperature
When cell system electricity is less than lower limit discharge electricity amount threshold value, control the discharge capacity of two sets of battery systems.
The invention also discloses the charge control method of the corresponding dual battery system of above-mentioned discharge control method, its tool
Body comprises the following steps: a kind of dual battery system charge control method, and it specifically includes below step: step one, in electricity
Setting one charge control system and two sets of battery systems in electrical automobile, two sets of battery systems connect charge control system respectively；Institute
State charge control system monitor respectively battery in two sets of battery systems using parameter and make charge mode and judge；Step
2nd, the parameter being detected according to charge control system in step one and charge mode select wherein a set of electricity of preferential charging
Cell system, charge control system sends control signal, turns on selected battery system and external charging equipment；Step 3, when
After the battery system charging complete chosen in step 2, charge control system judges whether to continue to enter to other set battery system
Row charge, be, then conducting other set battery system and and external charging equipment, otherwise, complete charge.By said method,
Realize a single charging device two sets of battery systems are charged, simplify equipment so that electric automobile can carry two
Set battery system, improves the service life of battery system, extends the enforcement milimeter number that electric automobile once charges.Meanwhile,
Even if one of battery failure, electric automobile still with normally travel, can improve the service life of battery system,
The satisfaction making user improves.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all this
Any modification, equivalent and improvement made within the spirit of utility model and principle etc., should be included in this utility model
Protection domain within.
Claims (6)
1. a kind of dual battery system circulating battery time number control device it is characterised in that specifically include the first battery system, second
Battery system and double cell cycle-index controller, described first battery system, the second battery system circulate with double cell respectively
Number controller is connected, and described double cell cycle-index controller includes detection means, memorizer, processor, comparator, institute
State detection means, memorizer, processor, comparator are sequentially connected, the comparative result of described comparator controls two battery systems
Enter in charge or discharge circuit；Described detection means is used for battery charging and discharging data is detected；Described memorizer is used
In storage battery discharge and recharge data；Described processor is used for state-of-charge soc is converted into the circulating battery number of times of reality；Described
Comparator is used for comparing the circulating battery number of times of two battery systems, select to recycle the few battery of number of times preferential charge or
Electric discharge.
2. dual battery system double cell cycle-index control device as claimed in claim 1 is it is characterised in that described detection fills
Put and the first battery system and the second battery system are connected by can bus, obtain voltage, electric current and the state-of-charge of battery system
soc.
3. dual battery system double cell cycle-index control device as claimed in claim 1 is it is characterised in that described double cell
Cycle-index controller is single-chip microcomputer or integrated ic chip.
4. dual battery system double cell cycle-index control device as claimed in claim 1 it is characterised in that described each electricity
Cell system includes multiple batteries, and each battery is correspondingly arranged a Voltage measure, the quantity of Voltage measure and the number of battery
Amount is equal and each Voltage measure connects batteries.
5. dual battery system double cell cycle-index control device as claimed in claim 1 is it is characterised in that described double cell
System double cell cycle-index controller also includes two temperature meters, and described two temperature meters are used for measuring respectively two
The temperature of set battery system.
6. dual battery system double cell cycle-index control device as claimed in claim 1 is it is characterised in that described double cell
System double cell cycle-index controller also includes protection circuit, and the dump energy that described protection circuit is used for according to battery controls
The break-make of discharge circuit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620823483.XU CN205921421U (en) | 2016-08-02 | 2016-08-02 | Dual -battery system double cell number of cycles controlling means |
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| CN201620823483.XU CN205921421U (en) | 2016-08-02 | 2016-08-02 | Dual -battery system double cell number of cycles controlling means |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107046312A (en) * | 2017-04-06 | 2017-08-15 | 华北电力大学 | A kind of energy-storage battery Optimization Scheduling based on orderly discharge and recharge |
| CN108583327A (en) * | 2018-04-25 | 2018-09-28 | 南京越博动力系统股份有限公司 | A kind of power management system of Double battery electric vehicle |
| CN110493857A (en) * | 2019-09-02 | 2019-11-22 | Oppo广东移动通信有限公司 | Application method, device, terminal and the storage medium of battery |
| CN111993953A (en) * | 2020-08-27 | 2020-11-27 | 安徽江淮汽车集团股份有限公司 | Battery control method, power automobile and readable storage medium |
| CN116191626A (en) * | 2023-03-31 | 2023-05-30 | 重庆博与精供应链管理有限公司 | Battery management method, device and system for household energy storage system |
-
2016
- 2016-08-02 CN CN201620823483.XU patent/CN205921421U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107046312A (en) * | 2017-04-06 | 2017-08-15 | 华北电力大学 | A kind of energy-storage battery Optimization Scheduling based on orderly discharge and recharge |
| CN107046312B (en) * | 2017-04-06 | 2019-06-28 | 华北电力大学 | A kind of energy-storage battery Optimization Scheduling based on orderly charge and discharge |
| CN108583327A (en) * | 2018-04-25 | 2018-09-28 | 南京越博动力系统股份有限公司 | A kind of power management system of Double battery electric vehicle |
| CN110493857A (en) * | 2019-09-02 | 2019-11-22 | Oppo广东移动通信有限公司 | Application method, device, terminal and the storage medium of battery |
| CN110493857B (en) * | 2019-09-02 | 2022-04-05 | Oppo广东移动通信有限公司 | Battery using method, device, terminal and storage medium |
| CN111993953A (en) * | 2020-08-27 | 2020-11-27 | 安徽江淮汽车集团股份有限公司 | Battery control method, power automobile and readable storage medium |
| CN111993953B (en) * | 2020-08-27 | 2021-10-29 | 安徽江淮汽车集团股份有限公司 | Battery control method, power automobile and readable storage medium |
| CN116191626A (en) * | 2023-03-31 | 2023-05-30 | 重庆博与精供应链管理有限公司 | Battery management method, device and system for household energy storage system |
| CN116191626B (en) * | 2023-03-31 | 2024-05-31 | 重庆博与精供应链管理有限公司 | Battery management method, device and system for household energy storage system |
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Address after: 201700 room 510-523, Laisheng Road, Qingpu District, Shanghai Patentee after: Weimar Automobile Technology Group Co.,Ltd. Address before: 201700 room 510-523, Laisheng Road, Qingpu District, Shanghai Patentee before: WM MOTOR TECHNOLOGY CO.,LTD. |
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Effective date of registration: 20240204 Address after: 310000 1760 Jiangling Road, Binjiang District, Hangzhou, Zhejiang. Patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Country or region after: China Patentee after: ZHEJIANG GEELY AUTOMOBILE RESEARCH INSTITUTE Co.,Ltd. Patentee after: CHENGDU GAOYUAN AUTOMOBILE INDUSTRY Co.,Ltd. Address before: 201700 room 510-523, Laisheng Road, Qingpu District, Shanghai Patentee before: Weimar Automobile Technology Group Co.,Ltd. Country or region before: China |