CN108494062A - A kind of intelligent balanced double charging sources - Google Patents
A kind of intelligent balanced double charging sources Download PDFInfo
- Publication number
- CN108494062A CN108494062A CN201810482542.5A CN201810482542A CN108494062A CN 108494062 A CN108494062 A CN 108494062A CN 201810482542 A CN201810482542 A CN 201810482542A CN 108494062 A CN108494062 A CN 108494062A
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- circuit
- charging
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- battery
- balanced double
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- 238000005070 sampling Methods 0.000 claims abstract description 17
- 230000005611 electricity Effects 0.000 claims description 11
- 238000009790 rate-determining step (RDS) Methods 0.000 claims description 3
- 239000000178 monomer Substances 0.000 abstract 1
- 239000000295 fuel oil Substances 0.000 description 2
- 201000006306 Cor pulmonale Diseases 0.000 description 1
- 230000005526 G1 to G0 transition Effects 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 208000004186 Pulmonary Heart Disease Diseases 0.000 description 1
- 206010044302 Tracheitis Diseases 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000019622 heart disease Diseases 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 238000013439 planning Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0014—Circuits for equalisation of charge between batteries
- H02J7/0016—Circuits for equalisation of charge between batteries using shunting, discharge or bypass circuits
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- H02J7/0021—
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- H02J7/0026—
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a kind of intelligent balanced double charging sources, the battery pack to be formed and governor circuit including multiple rechargeable batteries are connected, distinguish a voltage sampling circuit in parallel and an electric voltage equalization compensation circuit between the battery core of each rechargeable battery, each electric voltage equalization compensation circuit all has a charging circuit, it is connected in parallel on the isostatic compensation power supply being sequentially connected in series and an open type controlled switch of two input terminal of the charging circuit, chargeable circuit is connected in parallel between the battery core of corresponding rechargeable battery, each voltage sampling circuit and each electric voltage equalization compensation circuit are respectively connected to the governor circuit, the voltage that the governor circuit is acquired according to each voltage sampling circuit controls the break-make of open type controlled switch to carry out electric voltage equalization compensation to rechargeable battery respectively.The present invention extends battery life by the difference between equilibrium monomer battery.
Description
Technical field
In terms of the present invention relates to new-energy automobile field more particularly to electric vehicle, more specifically to a kind of intelligence
Change balanced double charging sources.
Background technology
Conventional fuel oil vehicle produces a large amount of harmful exhausts in use, and vehicular emission goes out the chemicals in waste
Matter can not only cause tracheitis, pulmonary heart disease, heart disease, cancer, but also can hinder plant normal growth, can possibly even lead
Causing mesoclimate mutation or exception, therefore developing energy-saving and environment-friendly new-energy automobile has become active demand.New-energy automobile is in energy
Source source, exhaust emissions etc. have a clear superiority.New-energy automobile is newborn enterprise, and so far from 2009, country is gradually
Form a perfect policy system.Place has synchronized some estate plannings mating, industry is helped, trade management and popularization and application
Policy.Based on such policy system, usually using 2009 to 2015 this periods as the introduction period in market, this when
The feature of phase typical case is exactly policy driving type market, i.e., stronger to the dependence of policy.It arrives the year two thousand twenty within 2016, is sent out for market
The duration of an exhibition.The characteristics of this period is market and policy double drive type so that after the year two thousand twenty may be market gradually
Maturity period or even stationary phase, influence of the later policy to whole market are gradually decontroled.New-energy automobile develops fast recent two decades, closely
In the past few years, main automobile power of the world is numerous and confused indicates that being promoted to some countries of national strategy, especially European Union is not only
It proposes " forbidding selling fuel oil timetable ", and rises to specifically legal perspective, while " restricted driving " measure should be taken.
It is Chinese then be more actively, more actively, more systematically push new-energy automobile development.
The current mainstream of new-energy automobile is all electric vehicle, and the operating voltage of electric vehicle is very high, generally can all reach
300V, and the rated voltage of single battery is generally unable to reach the voltage, if the rated voltage of lithium battery is in 3.5V or so, therefore
It is usually to be composed in series battery pack by multiple batteries to meet the operating voltage requirements of electric vehicle in practice.It is each in battery pack
A single battery is limited to manufacture craft and working environment, and battery charge state can not possibly be consistent, in this case, electricity
The performance of pond group is dependent on that worst section single battery of performance.By recycling gradually increasing at this time, state-of-charge
Inconsistency phenomenon gradually aggravate, the difference between single battery can be increasing, and the performance of battery pack also just declines therewith,
This directly influences original course continuation mileage of electric vehicle, and even safety accident can should be also sent out when serious.
Invention content
The technical problem to be solved in the present invention is, for above-mentioned tandem type battery pack by the difference between single battery
Property influence so that the technological deficiency that the performance of battery pack declines provides a kind of intelligent balanced double charging sources.
The technical solution adopted by the present invention to solve the technical problems is：Construct a kind of intelligent balanced double charging sources, packet
It connects the battery pack to be formed and governor circuit containing multiple rechargeable batteries, parallel connection respectively between the battery core of each rechargeable battery
One voltage sampling circuit and an electric voltage equalization compensation circuit, each electric voltage equalization compensation circuit all have charging electricity
Road, the isostatic compensation power supply being sequentially connected in series and an open type controlled switch for being connected in parallel on two input terminal of the charging circuit, can fill
Electric circuit in parallel is between the battery core of corresponding rechargeable battery, each voltage sampling circuit and each electric voltage equalization compensation circuit point
It is not connected to the governor circuit, the governor circuit controls open type respectively according to the voltage that each voltage sampling circuit acquires
The break-make of controlled switch to rechargeable battery to carry out electric voltage equalization compensation.
Further, in the balanced double charging sources of the intelligence of the present invention, have on intelligent balanced double charging sources
Battery pack charging connection interface.
Further, in the balanced double charging sources of the intelligence of the present invention, the isostatic compensation power supply is chargeable electricity
Source, each rechargable power supplies are sequentially connected in series to form rechargable power supplies group；
On intelligent balanced double charging sources there is rechargable power supplies group charging connection interface to be set to connect external charging
It is standby；Or a both ends rechargable power supplies group charging circuit in parallel for the rechargable power supplies group, described intelligent balanced pair is filled
Have rechargable power supplies group charging circuit connecting interface to connect external power supply on power supply.
Further, in the balanced double charging sources of the intelligence of the present invention, the charging connection interface and the battery pack
Between be connected with controlled switch, the controlled switch connection and be controlled by the governor circuit, in total electricity of the battery pack
Charging is disconnected when pressure reaches default.
Further, in the balanced double charging sources of the intelligence of the present invention, the controlled switch connects with the charging connection
It is parallel with the current-limiting resistance and indicator light being sequentially connected in series between connecting line between mouthful.
Further, described to be acquired according to each voltage sampling circuit in the balanced double charging sources of the intelligence of the present invention
Voltage control the break-make of open type controlled switch respectively to carry out electric voltage equalization compensation specifically comprising as follows to rechargeable battery
Step：
The voltage of S1, the corresponding rechargeable battery of each voltage sampling circuit acquisition；
S2, governor circuit calculate average value according to the voltage of each rechargeable battery；
Less than described corresponding to the voltage of the average value in the voltage acquired in S3, governor circuit rate-determining steps S1
Open type controlled switch is connected；
S4, calculating judges the mean square deviation of the voltage and real-time average value of the rechargeable battery acquired in real time after a certain period of time
Whether within a preset range, S5 is thened follow the steps if not, otherwise terminates to charge；
S5, step S3-S4 is repeated.
Further, in the balanced double charging sources of the intelligence of the present invention, the step S2-S5 is using external charging
After equipment charges to the battery pack, it is actuated for after preset time by the governor circuit.
The balanced double charging sources of intelligence for implementing the present invention, have the advantages that：In the electricity of each rechargeable battery
A voltage sampling circuit in parallel and an electric voltage equalization compensation circuit compare voltage implementation calculating respectively between core, balance
Difference extends battery life.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing：
Fig. 1 is the partial circuit schematic diagram of an embodiment of the balanced double charging sources of the intelligence of the present invention.
Specific implementation mode
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control attached drawing is described in detail
The specific implementation mode of the present invention.
With reference to figure 1, the technical solution adopted by the present invention to solve the technical problems is：A kind of intelligent balanced pair is constructed to fill
Power supply, the battery pack to be formed and governor circuit including 3 rechargeable batteries are connected, between the battery core of each rechargeable battery point
A voltage sampling circuit not in parallel and an electric voltage equalization compensation circuit, each electric voltage equalization compensation circuit all have one and fill
Circuit, the isostatic compensation power supply being sequentially connected in series and an open type controlled switch for being connected in parallel on two input terminal of the charging circuit,
Chargeable circuit is connected in parallel between the battery core of corresponding rechargeable battery, each voltage sampling circuit and each electric voltage equalization compensation electricity
Road is respectively connected to the governor circuit, and the voltage that the governor circuit is acquired according to each voltage sampling circuit controls often respectively
The break-make of open form controlled switch to rechargeable battery to carry out electric voltage equalization compensation.Specifically comprise the following steps：
The voltage of S1, the corresponding rechargeable battery of each voltage sampling circuit acquisition；
S2, governor circuit calculate average value according to the voltage of each rechargeable battery；
Less than described corresponding to the voltage of the average value in the voltage acquired in S3, governor circuit rate-determining steps S1
Open type controlled switch is connected；
S4, calculating judges the mean square deviation of the voltage and real-time average value of the rechargeable battery acquired in real time after a certain period of time
Whether within a preset range, S5 is thened follow the steps if not, otherwise terminates to charge；
S5, step S3-S4 is repeated.
Step S2-S5 is after being charged to the battery pack using external charging equipment, by master control electricity
What road was actuated for after preset time.There is battery pack charging connection interface on intelligent balanced double charging sources, using outside
Charging equipment is to intelligent balanced double charging sources, when intelligent balanced double charging sources are connected to the external charging equipment, intelligence
Change one trigger signal of balanced double charging source generations and inform that governor circuit has begun to charge, after charging complete, generates another triggering
Signal informs that governor circuit has been completed to charge.When charging complete, each rechargeable battery due to charging initial situation and
Charging situation is different, and the practical electricity of each rechargeable battery is not consistent.Therefore, it is carried out again using electric voltage equalization compensation circuit
Secondary charging improves the voltage consistency of each rechargeable battery.
In another embodiment of the invention, isostatic compensation power supply is rechargable power supplies, and each rechargable power supplies are gone here and there successively
Connection forms rechargable power supplies group；Have rechargable power supplies group charging connection interface to connect on intelligent balanced double charging sources
External charging equipment；Or a both ends rechargable power supplies group charging circuit in parallel for the rechargable power supplies group, the intelligence
Changing on balanced double charging sources has rechargable power supplies group charging circuit connecting interface to connect external power supply.In previous implementation
In example, since isostatic compensation power supply charges to rechargeable battery, the electric energy of isostatic compensation power supply can be caused to gradually decrease, until nothing
Method bio-occlusion rechargeable battery charges, therefore isostatic compensation power supply is also configured as rechargeable type by the present invention, can so be increased
The duration of isostatic compensation.
In one more embodiment of the present invention, controlled switch, institute are connected between charging connection interface and the battery pack
It states controlled switch connection and is controlled by the governor circuit, charging is disconnected when reaching default with the total voltage in the battery pack.
It is parallel with the current-limiting resistance being sequentially connected in series between connecting line between the controlled switch and the charging connection interface and refers to
Show lamp.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited in above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (7)
1. a kind of intelligent balanced double charging sources, which is characterized in that comprising multiple rechargeable batteries connect the battery pack to be formed with
And governor circuit, a voltage sampling circuit in parallel and an electric voltage equalization are mended respectively between the battery core of each rechargeable battery
Circuit is repaid, each electric voltage equalization compensation circuit all has a charging circuit, is connected in parallel on two input terminal of the charging circuit successively
Concatenated isostatic compensation power supply and an open type controlled switch, chargeable circuit be connected in parallel on corresponding rechargeable battery battery core it
Between, each voltage sampling circuit and each electric voltage equalization compensation circuit are respectively connected to the governor circuit, the governor circuit root
The voltage acquired according to each voltage sampling circuit controls the break-make of open type controlled switch to carry out electricity to rechargeable battery respectively
Press isostatic compensation.
2. intelligent balanced double charging sources according to claim 1, which is characterized in that intelligent balanced double charging sources
It is upper that there is battery pack charging connection interface.
3. intelligent balanced double charging sources according to claim 1, which is characterized in that the isostatic compensation power supply is can
Charge power supply, each rechargable power supplies are sequentially connected in series to form rechargable power supplies group；
Have rechargable power supplies group charging connection interface to connect external charging equipment on intelligent balanced double charging sources；Or
The both ends of rechargable power supplies group described in a person rechargable power supplies group charging circuit in parallel, on intelligent balanced double charging sources
With rechargable power supplies group charging circuit connecting interface to connect external power supply.
4. intelligent balanced double charging sources according to claim 2, which is characterized in that the charging connection interface with it is described
Controlled switch is connected between battery pack, the controlled switch connects and is controlled by the governor circuit, in the battery pack
Total voltage charging is disconnected when reaching default.
5. intelligent balanced double charging sources according to claim 4, which is characterized in that the controlled switch and the charging
The current-limiting resistance and indicator light being sequentially connected in series are parallel between connecting line between connecting interface.
6. intelligent balanced double charging sources according to claim 1, which is characterized in that described according to each voltage sample electricity
The voltage of road acquisition controls the break-make of open type controlled switch to carry out the specific packet of electric voltage equalization compensation to rechargeable battery respectively
Containing following steps：
The voltage of S1, the corresponding rechargeable battery of each voltage sampling circuit acquisition；
S2, governor circuit calculate average value according to the voltage of each rechargeable battery；
Less than described normally opened corresponding to the voltage of the average value in the voltage acquired in S3, governor circuit rate-determining steps S1
Type controlled switch is connected；
Whether the mean square deviation of S4, the voltage for calculating the rechargeable battery for judging to acquire in real time after a certain period of time and real-time average value
Within a preset range, S5 is thened follow the steps if not, otherwise terminates to charge；
S5, step S3-S4 is repeated.
7. intelligent balanced double charging sources according to claim 1, which is characterized in that
The step S2-S5 is after being charged to the battery pack using external charging equipment, by master control electricity
What road was actuated for after preset time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810482542.5A CN108494062A (en) | 2018-05-18 | 2018-05-18 | A kind of intelligent balanced double charging sources |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810482542.5A CN108494062A (en) | 2018-05-18 | 2018-05-18 | A kind of intelligent balanced double charging sources |
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| Publication Number | Publication Date |
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| CN108494062A true CN108494062A (en) | 2018-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810482542.5A Pending CN108494062A (en) | 2018-05-18 | 2018-05-18 | A kind of intelligent balanced double charging sources |
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| Country | Link |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104184192A (en) * | 2014-08-25 | 2014-12-03 | 北京航盛新能科技有限公司 | Charging and discharging active equalization circuit for lithium ion power battery pack |
| CN105703442A (en) * | 2016-03-29 | 2016-06-22 | 天津市松正电动汽车技术股份有限公司 | Serial battery pack equalization circuit |
| CN205829228U (en) * | 2016-07-08 | 2016-12-21 | 成都信息工程大学 | Nickel-hydrogen chargeable cell group protection circuit |
| CN107482263A (en) * | 2017-08-08 | 2017-12-15 | 山东大学 | Series battery balanced device and its implementation based on Delta configuration switches electric capacity |
| CN208423829U (en) * | 2018-05-18 | 2019-01-22 | 深圳市海雷新能源有限公司 | A kind of intelligent balanced double charging sources |
-
2018
- 2018-05-18 CN CN201810482542.5A patent/CN108494062A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104184192A (en) * | 2014-08-25 | 2014-12-03 | 北京航盛新能科技有限公司 | Charging and discharging active equalization circuit for lithium ion power battery pack |
| CN105703442A (en) * | 2016-03-29 | 2016-06-22 | 天津市松正电动汽车技术股份有限公司 | Serial battery pack equalization circuit |
| CN205829228U (en) * | 2016-07-08 | 2016-12-21 | 成都信息工程大学 | Nickel-hydrogen chargeable cell group protection circuit |
| CN107482263A (en) * | 2017-08-08 | 2017-12-15 | 山东大学 | Series battery balanced device and its implementation based on Delta configuration switches electric capacity |
| CN208423829U (en) * | 2018-05-18 | 2019-01-22 | 深圳市海雷新能源有限公司 | A kind of intelligent balanced double charging sources |
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| CB02 | Change of applicant information |
Address after: 518000 buildings 101, a and B, No. 7, Baodong Road, xiuxin community, Kengzi street, Pingshan District, Shenzhen, Guangdong Applicant after: SHENZHEN HAILEI NEW ENERGY Co.,Ltd. Address before: 518000 No. 69, Lijing South Road, Shijing street, Pingshan District, Shenzhen, Guangdong Applicant before: SHENZHEN HAILEI NEW ENERGY Co.,Ltd. |
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Country or region after: China Address after: 518000, Building A, No. 7 Xiusheng 1st Road, Xiuxin Community, Kengzi Street, Pingshan District, Shenzhen City, Guangdong Province, China Applicant after: Shenzhen Hailei New Energy Co.,Ltd. Address before: 518000 buildings 101, a and B, No. 7, Baodong Road, xiuxin community, Kengzi street, Pingshan District, Shenzhen, Guangdong Applicant before: SHENZHEN HAILEI NEW ENERGY Co.,Ltd. Country or region before: China |
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