CN104638291A - Mixedly marshaled battery pack and mixed marshaling method of battery pack - Google Patents
Mixedly marshaled battery pack and mixed marshaling method of battery pack Download PDFInfo
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- CN104638291A CN104638291A CN201510091068.XA CN201510091068A CN104638291A CN 104638291 A CN104638291 A CN 104638291A CN 201510091068 A CN201510091068 A CN 201510091068A CN 104638291 A CN104638291 A CN 104638291A
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- battery pack
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- marshalling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention discloses a mixedly marshaled battery pack and a mixed marshaling method of the battery pack. According to the mixedly marshaled battery pack, batteries of different capacities are connected in series or in series and in parallel in a mixed marshaling manner, or multiple batteries of same capacity are connected in series and in parallel in a mixed marshaling manner, the rated capacities of corresponding batteries (packs) of unit voltage in the whole marshaled battery pack are not completely same, and power supply leads are arranged at two ends of the batteries (packs) with relatively high capacities and are capable of supplying power outsides, so that a group of battery packs with integrated voltage can be provided for supplying power outsides, and one or multiple groups of auxiliary power supplies with voltages lower than the voltage of the battery packs are further provided for supplying power outsides. The mixedly marshaled battery pack has the beneficial effects that a DC-DC converter matched with the battery pack can be omitted, so that the electric energy loss in a voltage conversion process is avoided, meanwhile, the weight, the size and the cost of a system is reduced, and the reliability of the system is improved; the mixedly marshaled battery pack is convenient to maintain and safe to use.
Description
Technical field
The present invention relates to battery technology field, especially relate to battery pack and the battery pack grouping method of series connection or connection in series-parallel mixed marshalling.
Background technology
Conventional batteries is when organizing into groups, no matter be series connection marshalling or the battery pack of connection in series-parallel mixed marshalling, for reducing between battery inconsistency to the impact of battery life as far as possible, manufacturer all advise with same brand, same model, same batch, battery marshalling that capacity is identical uses, battery (group) capacity namely after marshalling in whole battery pack corresponding to unit voltage is all identical.And conventional batteries is after marshalling, one group of supply power voltage is only provided to be that the power supply of battery voltage is outwardly powered.
Voltage height is one of feature of battery pack, in some application scenario if the voltage of the power battery pack of electric automobile is up to 400 volts.The whole system of powering is responsible in battery pack, often there is the electric equipment of different rated voltage, if the motor of the dynamical system on electric automobile and the rated voltage of electric machine controller are at a few hectovolt, and the rated voltage of the auxiliary electronic equipment of periphery as instrument/headlight/direction indicator lamp/loudspeaker/ECU/ air-conditioning/power windows/skylight/rain brush/power assistance pump for steering/ABS/ air bag etc. only has 12V, this just needs by installing dc-dc additional, the high voltage of battery pack is converted to the low-voltage that auxiliary electric equipment needs, and dc-dc not only adds volume, weight, cost, and the low electric energy of valuable battery pack that also makes of conversion efficiency has extra loss, and many possible fault points, reduce system reliability.
And in some application scenario other as electric bicycle or electro-tricycle etc., the voltage of power battery pack has 36 volts, 48 volts, the electric pressures such as 60 volts, for the consideration of the factor such as cost-saving, the auxiliary electric equipment of these electric bicycles or electro-tricycle does not often use dc-dc as instrument/loudspeaker/car light/central controlled lock etc. and directly adopts the output voltage of power battery pack to power, the output voltage of power battery pack has exceeded the safe voltage of human body, and scattered handlebar and the vehicle body surrounding of being distributed in of these periphery auxiliary electric equipments, add the Danger Electric shock risk of bicyclist, the personal safety of bicyclist may be jeopardized.
Summary of the invention
The battery pack of mixed marshalling disclosed by the invention and the mixed marshalling method of battery pack overcome prior art deficiency, by by the serial battery of different capabilities or connection in series-parallel mixed marshalling, or by battery series-parallel connection mixed marshalling identical for multiple capacity, the rated capacity of the battery (group) after marshalling in whole battery pack corresponding to unit voltage is incomplete same, wherein capacity slightly most battery (group) two ends have confession electrical lead outwardly to power, namely mixed marshalling battery pack is except can providing a Battery pack group global voltage and outwardly powering, one or more groups accessory power supply lower than battery voltage also can be provided outwardly to power.
The technical scheme of the battery pack of mixed marshalling disclosed by the invention, is divided into main power pack battery (group) and auxiliary power supply percentage of batteries (group) two part, and is connected in series, as shown in Figure 1 by battery pack.
Further, main power pack battery (group) is made up of 1 battery, or is made up of 2 and above serial battery, parallel connection or connection in series-parallel.
Further, auxiliary power supply percentage of batteries (group) is made up of 1 battery, or is made up of 2 and above serial battery, parallel connection or connection in series-parallel.The battery capacity of the unit voltage of auxiliary power supply percentage of batteries (group) is higher than the unit voltage capacity of main power pack battery (group).
Further, whole battery pack is composed in series by main power pack battery (group) and auxiliary power supply percentage of batteries (group), the two ends of auxiliary power supply percentage of batteries (group) have confession electrical lead outwardly to power, namely auxiliary power supply percentage of batteries group is not only responsible for the supplying power for outside of whole battery pack together with main power pack battery (group), and the accessory power supply lower than battery voltage can be provided outwardly to power simultaneously.
Further, battery (group) and the auxiliary power supply percentage of batteries (group) of main power pack are connected in series, and method has three kinds:
One, the shared negative pole of whole battery pack and auxiliary power supply percentage of batteries (group) after marshalling, as shown in Figure 1: 1,2 is the power supply output of whole battery pack, and 1,3 is auxiliary power supply output;
Its two, the shared positive pole of whole battery pack and auxiliary power supply percentage of batteries (group) after marshalling, as shown in Figure 2: 1,2 is the power supply output of whole battery pack, and 2,4 is auxiliary power supply output;
They are three years old, also main power pack battery can be divided into the two parts that can connect, and auxiliary power supply percentage of batteries (group) is clipped in the middle is together in series, namely the negative pole of the high potential part of main power pack battery (group) is connected with the positive pole of auxiliary power supply percentage of batteries (group), the positive pole of the low potential part of main power pack battery (group) is connected with the negative pole of auxiliary power supply percentage of batteries (group), as shown in Figure 3, the positive pole 2 of the high potential part of main power pack battery (group), the negative pole 1 of the low potential part of main power pack battery (group) is the power supply output of whole battery pack, 5, 6 is auxiliary power supply output.
Further, 1 and above auxiliary power supply percentage of batteries (group) can be had in whole battery pack, can be connected in series without interfering with each other between multiple auxiliary power supply percentage of batteries (group) and centre separates with main power pack battery (group) or the positive pole that is connected in series the negative pole of the higher auxiliary power supply percentage of batteries (group) of the i.e. electromotive force auxiliary power supply percentage of batteries (group) lower with electromotive force is connected that also common power supply goes between or shared negative pole or shared positive pole.
Further, the rated capacity of the battery corresponding to arbitrary section of voltage in battery pack or battery (group) and rated current, except the requirement of the rated capacity and rated current that meet whole battery pack, also will meet 1 group or the many group rated capacity of auxiliary power supply and the requirement of rated current at place.
Further, the connecting line in whole battery pack between all batteries and supplying power for outside lead-in wire all firmly connect, and wire diameter specification meets power requirement and has certain redundancy.
Further, mixed marshalling battery pack should select one of following charging scheme:
One, select the charger that can carry out charge independence to each battery, and the capacity of charge parameter and this battery matches;
Its two, all batteries of whole battery pack all adopt the intelligent battery of self charging;
They are three years old, adopt the charging modes that conventional serial charging modes and above-mentioned two kinds of charging modes combine, namely the constant-current phase at initial stage of charging adopts traditional serial connection charge mode, adopts the charger that can carry out charge independence to each battery or the charge function adopting battery to carry to charge afterwards.
The technical scheme of the mixed marshalling method of battery pack disclosed by the invention, is divided into main power pack battery (group) and auxiliary power supply percentage of batteries (group) two part, and is connected in series, as shown in Figure 1 by battery pack.
Further, main power pack battery (group) is made up of 1 battery, or is made up of 2 and above serial battery, parallel connection or connection in series-parallel.
Further, auxiliary power supply percentage of batteries (group) is made up of 1 battery, or is made up of 2 and above serial battery, parallel connection or connection in series-parallel.The battery capacity of the unit voltage of auxiliary power supply percentage of batteries (group) is higher than the unit voltage capacity of main power pack battery (group).
Further, whole battery pack is composed in series by main power pack battery (group) and auxiliary power supply percentage of batteries (group), the two ends of auxiliary power supply percentage of batteries (group) have confession electrical lead outwardly to power, namely auxiliary power supply percentage of batteries group is not only responsible for the supplying power for outside of whole battery pack together with main power pack battery (group), and the accessory power supply lower than battery voltage can be provided outwardly to power simultaneously.
Further, battery (group) and the auxiliary power supply percentage of batteries (group) of main power pack are connected in series, and method has three kinds:
One, the shared negative pole of whole battery pack and auxiliary power supply percentage of batteries (group) after marshalling, as shown in Figure 1: 1,2 is the power supply output of whole battery pack, and 1,3 is auxiliary power supply output;
Its two, the shared positive pole of whole battery pack and auxiliary power supply percentage of batteries (group) after marshalling, as shown in Figure 2: 1,2 is the power supply output of whole battery pack, and 2,4 is auxiliary power supply output;
They are three years old, also main power pack battery can be divided into the two parts that can connect, and auxiliary power supply percentage of batteries (group) is clipped in the middle is together in series, namely the negative pole of the high potential part of main power pack battery (group) is connected with the positive pole of auxiliary power supply percentage of batteries (group), the positive pole of the low potential part of main power pack battery (group) is connected with the negative pole of auxiliary power supply percentage of batteries (group), as shown in Figure 3, the positive pole 2 of the high potential part of main power pack battery (group), the negative pole 1 of the low potential part of main power pack battery (group) is the power supply output of whole battery pack, 5, 6 is auxiliary power supply output.
Further, 1 and above auxiliary power supply percentage of batteries (group) can be had in whole battery pack, can be connected in series without interfering with each other between multiple auxiliary power supply percentage of batteries (group) and centre separates or be connected in series negative pole that electromotive force higher part divides and electromotive force with main power pack battery (group) to be connected compared with the positive pole of lower part and common power supply goes between or shared negative pole or shared positive pole.
Further, the rated capacity of the battery corresponding to arbitrary section of voltage in battery pack or battery (group) and rated current, except the requirement of the rated capacity and rated current that meet whole battery pack, also will meet 1 group or the many group rated capacity of auxiliary power supply and the requirement of rated current at place.
Further, the connecting line in whole battery pack between all batteries and supplying power for outside lead-in wire all firmly connect, and wire diameter specification meets power requirement and has certain redundancy.
Further, mixed marshalling battery pack should select one of following charging scheme:
One, select the charger that can carry out charge independence to each battery, and the capacity of charge parameter and this battery matches;
Its two, all batteries of whole battery pack all adopt the intelligent battery of self charging;
They are three years old, adopt the charging modes that conventional serial charging modes and above-mentioned two kinds of charging modes combine, namely the constant-current phase at initial stage of charging adopts traditional serial connection charge mode, adopts the charger that can carry out charge independence to each battery or the charge function adopting battery to carry to charge afterwards.
The invention has the beneficial effects as follows:
For high-tension battery group (as 72V and above battery pack), eliminate dc-dc, avoid electric energy loss during voltage transitions, the discharge capacity of battery pack can be increased, as increased the course continuation mileage of electric automobile or extending the stand-by time of communication power supply, reduce the weight of system, volume and cost, improve system reliability and easy to maintenance;
For A-battery group (as 60V and following battery pack), the rated voltage of auxiliary electric equipment can be reduced, as electric bicycle/tricycle, the supply power voltage that instrument/loudspeaker/car light/central controlled lock etc. spreads all over the auxiliary electric equipment of handlebar and vehicle body surrounding can be down to as 12V etc. in the voltage range to human-body safety, the personal safety of protection bicyclist;
If the battery of battery pack adopts intelligent battery and all batteries are coupled together (intelligent battery and electricity transfer bus technology are the Chinese patent of 201510086383.3 see the application number of same inventor) by power consumption transfer bus, and the generating equipments such as access brake/damping capacity recovery system, outside then auxiliary power supply percentage of batteries (group) can be powered to auxiliary electric equipment except for an additional, the function of Power Reserve can also be had, carry out electricity transfer to battery in need at any time and mend electricity, more can the discharge capacity of significant prolongation battery pack and bulk life time.
Accompanying drawing explanation
Fig. 1 is one of structural schematic block diagram of mixed marshalling battery pack, and auxiliary power supply percentage of batteries (group) and whole battery pack share negative pole.
Fig. 2 is the structural schematic block diagram two of mixed marshalling battery pack, and auxiliary power supply percentage of batteries (group) and whole battery pack share positive pole.
Fig. 3 is the structural schematic block diagram three of mixed marshalling battery pack, and auxiliary power supply percentage of batteries (group) and whole battery pack do not share both positive and negative polarity.
Fig. 4 is the structural schematic block diagram of the battery embodiment 1 of mixed marshalling.
Fig. 5 is the structural schematic block diagram of the battery embodiment 2 of mixed marshalling.
Fig. 6 is the structural schematic block diagram of the battery embodiment 3 of mixed marshalling.
Wherein:
1 is the negative pole of mixed marshalling battery pack;
2 is positive poles of mixed marshalling battery pack;
3 is positive poles of auxiliary power supply;
4 is negative poles of auxiliary power supply;
5 is negative poles of auxiliary power supply;
6 is positive poles of auxiliary power supply;
7 is positive poles that the 12V auxiliary power supply in embodiment 1 exports;
8 is the main supplying cell groups in embodiment 1;
9 is the 12V auxiliary power supply batteries in embodiment 1;
10 is positive poles that the 12V auxiliary power supply in embodiment 2 exports;
11 is positive poles that the 24V auxiliary power supply in embodiment 2 exports;
12 is the main supplying cell groups in embodiment 2;
13 is the 24V auxiliary power supply battery pack in embodiment 2;
14 is the 12V auxiliary power supply batteries in embodiment 2;
15 is positive poles that the 14.8V auxiliary power supply in embodiment 3 exports;
16 is the main supplying cell groups in embodiment 3;
17 is the 14.8V auxiliary power supply battery pack in embodiment 3.
Embodiment
Below by three specific embodiments, this patent is further elaborated; following examples are descriptive; not determinate; the protection range of this patent can not be limited with this, namely those skilled in the art can principle according to the claim of this patent by suitable conversion with substitute the range of application realizing more function or expand this patent.
This patent can be applicable to any battery that needs and organizes into groups the environment used, and includes but not limited to following industry: the field such as energy storage, the battery pack of aerospace vehicle, the energy-storage battery group of naval vessel submarine of the backup battery group of the battery energy storage system, naval vessel submarine etc. of electric bicycle, electric automobile, electronic engineering truck, train, the backup power system of machine room, communication power supply, the battery pack of field movable communication base station, photovoltaic generation and wind power generation.
Embodiment 1, the application of simulation mixed marshalling battery pack on electric bicycle, the serial battery marshalling of different capabilities, as shown in Figure 4:
Whole battery pack is organized into groups by the battery of 3 12V12AH and the serial battery of 1 12V20AH, and 8 is main supplying cell group, and rated voltage and capacity are 36V12AH; 9 is auxiliary power supply battery, and rated voltage and capacity are 12V20AH;
1,2 is the power supply output of whole battery pack, powers for giving motor/electric machine controller; 1,7 is that auxiliary power supply exports, and can be used for powering to auxiliary electric equipments such as instrument/loudspeaker/car etc./central controlled locks;
The rated voltage that after marshalling, whole battery pack exports and capacity are 48V12AH, the rated voltage that auxiliary power supply exports and capacity are 12V8AH, after the supply power voltage spreading all over the auxiliary electric equipments such as the instrument/loudspeaker/car of handlebar and vehicle body surrounding etc./central controlled lock is reduced to 12V by 48V, thoroughly stop the electric shock risk of bicyclist.
Embodiment 2, the application of simulation mixed marshalling battery pack on low-speed electronic automobile, the serial battery marshalling of different capabilities, has 2 groups of auxiliary power supplies to export after marshalling, as shown in Figure 5:
Whole battery pack by the battery of 4 12V120AH, the battery of 1 12V150AH and 1 12V180AH battery totally 6 serial battery form, 12 is main supplying cell group, and rated voltage and capacity are 48V120AH; 13 is the 1st group of auxiliary power supply battery pack, and rated voltage and capacity are 24V150AH; 14 is the 2nd group of auxiliary power supply battery, and rated voltage and capacity are 12V180AH;
1,2 is the power supply output of whole battery pack, powers for giving motor/electric machine controller; 1,11 is the output of 24V auxiliary power supply, for powering to air-conditioning; 1,10 is the output of 12V auxiliary power supply, powers for giving the auxiliary electric equipments such as instrument/headlight/direction indicator lamp/loudspeaker/power windows;
The rated voltage that after marshalling, whole battery pack exports and capacity are 72V120AH, rated voltage and the capacity of the 1st group of auxiliary power supply output are: 24V30AH, rated voltage and the capacity of the 2nd group of auxiliary power supply output are 12V30AH, dc-dc can be cancelled by the battery pack of this mixed marshalling, provide cost savings, avoid the electric energy loss in voltage transitions, decrease systematically weight, volume and cost simultaneously, and improve the reliability of system and easy to maintenance.
Embodiment 3, the application of simulation mixed marshalling battery pack on electric automobile, the battery series-parallel connection mixed marshalling of identical capacity, but the battery capacity of whole battery pack on unit voltage is different, as shown in Figure 6:
Whole battery pack is made up of the battery series-parallel connection mixed marshalling of 208 3.7V40AH, and 16 is main supplying cell group, and compose in parallel after being divided into 2 groups of each 96 serial battery by 192 batteries, rated voltage and capacity are 355.2V80AH again; 17 is auxiliary power supply battery pack, and compose in parallel after being divided into 4 groups of each 4 serial battery by 16 batteries, rated voltage and capacity are 14.8V160AH again;
Although this kind of whole battery pack of organizational systems is all made up of the battery of identical capacity, but auxiliary power supply battery pack is 160AH by the 4 tunnel capacity of being connected in parallel, and main supplying cell group is 80AH by the 2 tunnel capacity of being connected in parallel, namely the rated capacity 160AH of the unit voltage of the battery pack of auxiliary power supply is higher than the rated capacity 80AH of the unit voltage of main power pack battery pack;
1,2 is the power supply output of whole battery pack, for powering to main power system; 1,15 is the output of 14.8V auxiliary power supply, powers for giving the auxiliary electric equipments such as instrument/headlight/direction indicator lamp/loudspeaker/ECU/ air-conditioning/power windows/skylight/rain brush/power assistance pump for steering/ABS/ air bag;
The rated voltage that after marshalling, whole battery pack exports and capacity are 370V80AH, the rated voltage that auxiliary power supply exports and capacity are 14.8V80AH, dc-dc can be cancelled by the battery pack of this mixed marshalling, provide cost savings, avoid the electric energy loss in voltage transitions, decrease systematically weight, volume and cost simultaneously, and improve the reliability of system and easy to maintenance.
Claims (6)
1. a battery pack for mixed marshalling, is made up of the batteries of more than 2 or 2, it is characterized in that, battery (group) capacity of marshalling is different, and accessory power supply can be provided outwardly to power.
2. battery (group) capacity of marshalling according to claim 1 is different, it is characterized in that, whole battery pack is made up of the different serial battery of the capacity of more than 2 or 2 or connection in series-parallel mixed marshalling, or mix marshalling by the battery series-parallel connection that the capacity of more than 3 or 3 are identical to form, battery (group) rated capacity after marshalling in whole battery pack corresponding to unit voltage is incomplete same.
3. the accessory power supply that provides according to claim 1 is outwardly powered, and it is characterized in that, whole battery pack, except can providing the global voltage of a Battery pack group and outwardly powering, also can provide one or more groups power supply lower than battery voltage outwardly to power.
4. a mixed marshalling method for battery pack, forms battery pack by the batteries of more than 2 or 2, it is characterized in that, battery (group) capacity of marshalling is different, and accessory power supply can be provided outwardly to power.
5. battery (group) capacity of marshalling according to claim 4 is different, it is characterized in that, whole battery pack is made up of the different serial battery of the capacity of more than 2 or 2 or connection in series-parallel mixed marshalling, or mix marshalling by the battery series-parallel connection that the capacity of more than 3 or 3 are identical to form, battery (group) rated capacity after marshalling in whole battery pack corresponding to unit voltage is incomplete same.
6. the accessory power supply that provides according to claim 4 is outwardly powered, and it is characterized in that, whole battery pack, except can providing the global voltage of a Battery pack group and outwardly powering, also can provide one or more groups power supply lower than battery voltage outwardly to power.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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CN201510091068.XA CN104638291B (en) | 2015-03-01 | 2015-03-01 | A kind of mixed marshalling method of the battery pack of mixed marshalling and a kind of battery pack |
EP16758465.5A EP3267525A4 (en) | 2015-03-01 | 2016-03-01 | Mixed battery group and battery grouping method |
CN201680012715.6A CN107925115A (en) | 2015-03-01 | 2016-03-01 | A kind of battery pack of mixed marshalling and a kind of battery pack grouping method |
JP2017545895A JP2018512705A (en) | 2015-03-01 | 2016-03-01 | A kind of battery braiding and a kind of battery braiding method |
PCT/CN2016/075226 WO2016138850A1 (en) | 2015-03-01 | 2016-03-01 | Mixed battery group and battery grouping method |
US15/693,439 US20170365875A1 (en) | 2015-03-01 | 2017-08-31 | Mixed battery group and battery grouping method |
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CN201510091068.XA CN104638291B (en) | 2015-03-01 | 2015-03-01 | A kind of mixed marshalling method of the battery pack of mixed marshalling and a kind of battery pack |
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CN104638291A true CN104638291A (en) | 2015-05-20 |
CN104638291B CN104638291B (en) | 2017-11-10 |
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CN201510091068.XA Expired - Fee Related CN104638291B (en) | 2015-03-01 | 2015-03-01 | A kind of mixed marshalling method of the battery pack of mixed marshalling and a kind of battery pack |
CN201680012715.6A Pending CN107925115A (en) | 2015-03-01 | 2016-03-01 | A kind of battery pack of mixed marshalling and a kind of battery pack grouping method |
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WO2016138850A1 (en) * | 2015-03-01 | 2016-09-09 | 刘光辰 | Mixed battery group and battery grouping method |
CN108432081A (en) * | 2015-12-31 | 2018-08-21 | 深圳市大疆创新科技有限公司 | Method and system for managing battery component |
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WO2016138850A1 (en) * | 2015-03-01 | 2016-09-09 | 刘光辰 | Mixed battery group and battery grouping method |
CN108432081A (en) * | 2015-12-31 | 2018-08-21 | 深圳市大疆创新科技有限公司 | Method and system for managing battery component |
CN105515152A (en) * | 2016-03-02 | 2016-04-20 | 刘光辰 | Electrical equipment matched with battery pack |
CN113439346A (en) * | 2020-01-21 | 2021-09-24 | 武文静 | Self-generating assembly and self-generating device |
CN113439346B (en) * | 2020-01-21 | 2022-06-07 | 武文静 | Self-generating assembly and self-generating device |
US11731529B2 (en) | 2020-12-16 | 2023-08-22 | Contemporary Amperex Technology Co., Limited | Power supply apparatus, battery management system, power supply system, control method and medium |
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CN104638291B (en) | 2017-11-10 |
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