CN104766985A - Battery pack and battery maintenance method - Google Patents
Battery pack and battery maintenance method Download PDFInfo
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- CN104766985A CN104766985A CN201410002657.1A CN201410002657A CN104766985A CN 104766985 A CN104766985 A CN 104766985A CN 201410002657 A CN201410002657 A CN 201410002657A CN 104766985 A CN104766985 A CN 104766985A
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- battery core
- core module
- battery pack
- terminal
- user port
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/446—Initial charging measures
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/46—Accumulators structurally combined with charging apparatus
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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
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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
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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The invention provides a battery pack. The battery pack comprises: N battery cell modules, wherein N is an integer greater than 1, each of the battery cell modules is detachably embarked on a main rack, and the N battery cell modules are connected in series, and have a head node, a tail node and N-1 middle nodes between every two battery cell modules; a user port, wherein the first user port terminal and the second user port terminal of the user port are respectively coupled to the head node and the tail node of the N battery cell modules; and a discrete charge socket, wherein the discrete charge socket is provided with N+1 end points, the head node, the N-1 middle nodes and the tail node of the N battery cell modules are respectively coupled to the N+1 end points of the discrete charge socket, and the discrete charge socket is used for being connected with a second charger in order to realize discrete charging of the N battery cell modules of the battery pack.
Description
Technical field
The present invention relates to battery, particularly relate to the method for battery pack and battery maintenance group.
Background technology
Battery pack generally comprises the multiple battery cores be cascaded.As shown in Figure 1, battery pack comprises 4 battery cores be cascaded.During charging, by single charger, entirety charging is carried out to these 4 battery cores.At present, be more pay close attention to its global voltage, capacity, security performance for lithium battery electric core many strings series products people, but the consistency of each battery core of battery pack is paid attention to not.
In use, the degree of aging of different battery core is different.After a protracted use, some electric core agings obtain faster, thus the voltage that reaches capacity soon when charging, and in use with fast speed electric discharge, cause the inconsistent of the voltage of different battery core thus, and the pressure reduction between different battery core can increase gradually.
Traditional integral type charging in order to protect each battery core not overcharged, therefore detect the voltage of arbitrary battery core reach capacity voltage time automatically stop charging.Therefore, aging very fast, that capacity is lower battery core can make charging stop in advance, and now other battery cores also underfill electricity.Now, battery pack once charge after effective storage life greatly reduce, have impact on the performance of battery pack.And, when causing the performance of battery pack to drop to a certain degree due to the too fast aging of some battery core, generally can abandon whole battery pack, causing significant wastage.
At present, generally carried out the inconsistency of balancing battery group by chip, such as, implement upper limit balance and lower limit balancing method by eight-bit microcontroller.But traditional chip equalization scheme only plays certain effect at the consistency unbalanced initial stage, effect will be lost gradually the later stage, thus whole group of battery core will be difficult to normal work.
Therefore, this area needs a kind of battery pack scheme solved the problem.
Summary of the invention
Below provide the brief overview of one or more aspect to provide the basic comprehension to these aspects.Detailed the combining of this not all aspect contemplated of general introduction is look at, and both not intended to be pointed out out the scope of key or decisive any or all aspect of elements nor delineate of all aspects.Its unique object is the sequence that some concepts that will provide one or more aspect in simplified form think the more detailed description provided after a while.
According to an aspect of the present invention, provide a kind of battery pack, comprise: N number of battery core module, N be greater than 1 integer, each battery core module is removably equipped on body frame, this N number of battery core block coupled in series together, and has the intermediate node between first node, tail node and N-1 every two battery core modules; User port, this user port is used for being connected to the first charger to carry out integral type charging to this battery pack or to be connected to external equipment to power to this external equipment, and wherein the first user port terminal of this user port and the second user port terminal are coupled to first node and the tail node of this N number of battery core module respectively; And discrete charging socket, this discrete charging socket have N+1 end points, this first node of this N number of battery core module, a N-1 intermediate node and this tail node are coupled to N+1 end points on this discrete charging socket respectively, and this discrete charging socket is for being connected to the second charger to carry out discrete charging to N number of battery core module of this battery pack.
In one example, each battery core module comprises outer box, the fuse that this outer box comprises battery core and connects with battery core.
In one example, between the tail node and the second user port terminal of this user port of this N number of battery core module, have disconnect, wherein when this discrete charging socket is connected to the charging of this second charger, this disconnect is just in off-state.
In one example, this battery pack also comprises:
Baffle; between the first node that this baffle is connected to this N number of battery core module and the first user port terminal of this user port, this baffle disconnects when the voltage of arbitrary battery core module exceeds predetermined threshold to form open circuit between this first node and this first user port terminal.
In one example; this baffle comprises N+2 pin; wherein the first pin is coupled to this first node; the second to N+1 pin is coupled to N-1 intermediate node and the tail node of this N number of battery core module respectively; N+2 pin is coupled to this first user port terminal; wherein this baffle detects the voltage of each battery core module in this N number of battery core module by the voltage of the first to N+1 pin; and when detecting that the voltage of arbitrary battery core module exceeds predetermined threshold; be disconnected between this first pin and this N+2 pin, otherwise be connected.
According to a further aspect in the invention, provide a kind of battery pack, comprising: N number of battery core module, wherein N be greater than 1 integer, this N number of battery core module is arranged in order together; Body frame, on this body frame, corresponding each battery core module is provided with two carrying terminals of metal, the two ends of each battery core module are coupled to respectively and carry terminal accordingly, and often two respective carrier connecting terminals of adjacent two battery core modules are connected together and make this N number of battery core module be connected on together as intermediate node; User port, this user port is used for being connected to the first charger to carry out integral type charging to this battery pack or to be connected to external equipment to power to this external equipment, and wherein the first user port terminal of this user port and the second user port terminal are connected to the respective carrier terminal of first node as this N number of battery core module and tail node respectively; And discrete charging socket, this discrete charging socket is fixed on this body frame, this discrete charging socket have N+1 end points, each carrying terminal as this first node of this N number of battery core module, a N-1 intermediate node and this tail node is connected to N+1 end points on this balanced socket respectively, and this discrete charging socket is for being connected to the second charger to carry out discrete charging to N number of battery core module of this battery pack.
In one example, this body frame comprises two horizontal parts, each carrying terminal is in turn located on two horizontal parts of this body frame, and two carrying terminals wherein for each battery core module lay respectively at this two horizontal parts, and this N number of battery core module is sequentially arranged between these two horizontal parts.
In one example, each battery core module comprises outer box and is accommodated in the battery core in outer box, the two ends, the back side of the lid of this outer box are respectively equipped with a metal connecting piece, positive and negative two polar terminals of this battery core are connected to corresponding metal connecting piece respectively, and these two metal connecting pieces are connected to again two the respective carrier terminals be positioned at separately on two horizontal parts of this body frame respectively.
In one example, each carrying terminal be comprise the first connecting portion and the second connecting portion "
" font metalwork, this first connecting portion is fastened onto on this horizontal part of this body frame, and the metal connecting piece of each battery core module is removably anchored on this second connecting portion of carrying terminal.
In one example, this first connecting portion and this second connecting portion of each carrying terminal are provided with through hole, the horizontal part of the body frame of each metal connecting piece and carrying terminal present position is also provided with corresponding through hole, this first connecting portion and this body frame of carrying terminal are linked together by the securing member through respective through hole, and this second connecting portion of metal connecting piece and respective carrier terminal is linked together by securing member.
In one example, be also provided with fuse in the outer box of each battery core module, this fuse is connected between a polar terminals of this battery core and a metalwork of this outer box.
In one example, this body frame is in " work " font, and each carrying terminal is arranged on two horizontal parts of this " work " font body frame, and this discrete charging socket is fixed on the vertical component effect of this " work " font body frame.
In one example, this body frame is provided with an opening adapted with the shape of this discrete charging socket and this discrete charging socket is exposed to this opening, on this body frame, this discrete charging socket place contiguous is provided with the first banana bin and second banana bin each other without electric connection, this first banana bin is connected to the second user port terminal of this user port, and the second banana bin is connected to the carrying terminal of the tail node as this N number of battery core module.
In one example; this discrete charging socket has over cap; this over cap have first banana plug corresponding with this first banana bin and this second banana bin and the second banana plug; electric connection between this first banana plug and this second banana plug; cover in discrete charging socket when this over cap covers on this discrete charging socket, this first banana plug and this second banana plug insert this first banana bin and this second banana bin respectively to make electric connection between this first banana bin and this second banana bin simultaneously.
In one example, this battery pack also comprises the baffle between this first node and the first user port terminal of this user port being connected to this N number of battery core module, this baffle disconnects to form open circuit between this first node and the first user port terminal of this user port higher than during predetermined threshold at the voltage of arbitrary battery core module, wherein this baffle is accommodated in an outer box, the two ends, the back side of the lid of outer box are respectively equipped with a metal connecting piece, to being provided with two carrying terminals by baffle on this body frame, the metalwork at the lid two ends of this baffle is fastened to respectively and carries terminal accordingly.
In one example, this baffle comprises N+2 pin, the first pin is wherein coupled to one of them metal connecting piece of the outer box of this baffle, with the carrying terminal being coupled to carrying terminal that metal connecting piece that this first pin is connected tightens together and being connected to the first node as this N number of battery core module, the second to N+1 pin is coupled to each carrying terminal of N-1 intermediate node as this N number of battery core module and this tail node respectively, N+2 pin is coupled to the first user port terminal of this user port, wherein when the voltage of arbitrary battery core module is higher than predetermined threshold, this the first pin and this N+2 pin separated, otherwise be electric connection.
In one example; the lid of the outer box of this baffle is provided with opening; the N+2 pin of this baffle is by being coupled to this first user port terminal through the connecting line of this opening; another metal connecting piece of the outer box of this baffle is by being coupled to this second user port terminal through the connecting line of this opening, the carrying terminal wherein tightened together with this another metal connecting piece of the outer box of this baffle is coupled to the carrying terminal of this tail node as this N number of battery core module.
In one example, if not there is electrical connectivity between two carrying terminals often adjacent on this body frame, there is an insulation wall.
In accordance with a further aspect of the present invention, provide a kind of method safeguarding above-mentioned battery pack, the method comprises: when the performance parameter of this battery pack is not less than threshold value, carries out integral type charging by all battery core modules of user port to this battery pack of this battery pack; And when the performance parameter of this battery pack is lower than this threshold value, carry out discrete charging, until make each battery core module be full of electricity by each battery core module of discrete charging socket to this battery pack of this battery pack.
In one example, the method also comprises: when the voltage of any battery core module of this battery pack reaches predetermined value lower than average voltage, uses new battery core module to change this battery core module; And carry out discrete charging, until make each battery core module be full of electricity by each battery core module of discrete charging socket to this battery pack of this battery pack.
Accompanying drawing explanation
After the detailed description of reading embodiment of the present disclosure in conjunction with the following drawings, above-mentioned feature and advantage of the present invention can be understood better.In the accompanying drawings, each assembly is not necessarily drawn in proportion, and the assembly with similar correlation properties or feature may have identical or close Reference numeral.
Fig. 1 shows the schematic diagram of the charging circuit of conventional batteries;
Fig. 2 shows the schematic diagram of equalization scheme according to an aspect of the present invention;
Fig. 3 shows the circuit diagram of discrete charger according to an aspect of the present invention;
Fig. 4 shows the stereogram of the outward appearance of discrete charger according to an aspect of the present invention;
Fig. 5 shows the circuit diagram of battery pack according to an aspect of the present invention;
Fig. 6 shows the schematic perspective view of the mechanical structure of battery pack according to an aspect of the present invention;
Fig. 7 shows the schematic top plan view of the mechanical structure of battery pack according to an aspect of the present invention;
Fig. 8 shows the explosive view of battery pack according to an aspect of the present invention;
Fig. 9 shows the explosive view of battery core module according to an aspect of the present invention;
Figure 10 shows the stereogram of carrying terminal according to an aspect of the present invention; And
Figure 11 shows the stereogram of over cap according to an aspect of the present invention.
Circuit element describes:
210: discrete charger; 211: charger unit; 220: battery pack; 221: battery core;
310-n: charger unit; 320-n: baffle; 314,315:LED; 330: discrete charging plug; 340: attaching plug; 311: first lead-out terminal; 312: intermediate output terminal; 313: tail lead-out terminal; 350: voltage conversion device; 360: radiator; 370: switch
410: shell; 420: indicator light 430: discrete charging plug; 440: attaching plug; 460: radiator; 470: switch
510-n: battery core module 511: battery core; 512: fuse; 521: first node; 522: intermediate node; 523: tail node; 530: discrete charging socket; 540: baffle 550: user port; 560: disconnect;
610-n: battery core module; 612: fuse; 620: baffle; 630: body frame; 640: over cap; 650,650a-b: carrying terminal; 660,660a-b: metal connecting piece; 670: lid; 680: user port; 641a-b, 642a-b: banana bin; 690: discrete charging socket; 631: insulation wall; 643a-b, 644a-b: banana plug; 632a-b: horizontal part; 633: vertical component effect; 634: opening; 635: base for supporting; 611: outer box; 613: battery core; 651,652: connecting portion; 653,654: through hole;
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.Note, the aspects described below in conjunction with the drawings and specific embodiments is only exemplary, and should not be understood to carry out any restriction to protection scope of the present invention.
In order to solve the problem, an aspect of of the present present invention provides a kind of equalization scheme.Fig. 2 shows the circuit diagram of equalization scheme according to an aspect of the present invention.As shown in Figure 2, battery pack 220 comprises multiple battery core 221 be cascaded, and wherein each battery core 221 to be removably connected in battery pack 220.The concrete structure of battery pack 220 is hereafter being described in detail.After the capacity of certain battery core drops to a certain degree such as 50%, even damages, use to the continuation maintaining battery pack by changing this battery core 221.
As shown in Figure 2, present solution provides a kind of discrete charger 210, this discrete charger 210 comprises multiple charger unit 201, thus can carry out discrete charging to the multiple battery cores 221 in battery pack 220, namely each battery core 221 have one independently charger unit 211 be its charging.
In use, when the pressure reduction of each battery core 221 of battery pack 220 increases gradually, the multiple charger unit 211 by discrete charger 210 carry out discrete charging to each battery core 221.Owing to there being independently charger unit 211 to charge, therefore only when each battery core 221 is full of electricity, just can stop the charging process of this battery core 221.Thus, can ensure that all battery cores 221 of battery pack 220 are all filled electricity, thus make the voltage of each battery core 221 consistent, eliminate the pressure reduction between each battery core 221 at short notice.Further, after the capacity of certain battery core 221 drops to a certain degree such as 50%, even damages, this battery core 221 replaceable.Then, then by multiple charger unit 211 of discrete charger 210, discrete charging is carried out to each battery core 221, make all battery cores 221 of the battery core 221 comprising this new replacing be full of electricity.In this way, serviceability and the useful life of battery pack 220 can greatly be extended.
Fig. 3 shows the circuit diagram of discrete charger 300 according to an aspect of the present invention.As shown in Figure 3, discrete charger 300 can comprise multiple charger unit 310-n, n=1 ... N.N=13 charger unit 310 has been shown in Fig. 3, but this is illustrated examples, N can be greater than 1 any integer.Each charger unit 310 can comprise two input terminals (marking with AC in Fig. 3), and these two input terminals are positive polarity, and another is negative polarity.Each charger unit 310 also can comprise two lead-out terminals (marking with V-, V+ in Fig. 3) of positive-negative polarity.
This N number of charger unit 310-n can be connected on together at output, to form first lead-out terminal 311, a N-1 intermediate output terminal 312 and tail lead-out terminal 313.Such as, together with the lead-out terminal of the positive polarity of the first charger unit 310-1 is coupled in the lead-out terminal of the negative polarity of the second charger unit 310-2, together with the lead-out terminal of the positive polarity of the second charger unit 310-2 is coupled in the lead-out terminal of the negative polarity of the 3rd charger unit 310-3, in turn, until together with the lead-out terminal of the positive polarity of the 12 charger unit 310-12 is coupled in the lead-out terminal of the negative polarity of the 13 charger unit 310-13.
In the embodiment (as shown in Figure 3) of band additives for overcharge protection, each charger unit 310-n can be in series with corresponding baffle 320-n.In this case, each baffle 320-n can comprise two input terminals of positive-negative polarity and two lead-out terminals of positive-negative polarity.Two input terminals of baffle 320-n can be coupled to two lead-out terminals of the charger unit 310-n be associated respectively.And then this N number of baffle 320-n can be connected on together at their output, to form above-mentioned first lead-out terminal 311, a N-1 intermediate output terminal 312 and tail lead-out terminal 313.
Discrete charger 300 also can comprise attaching plug 340.Attaching plug 340 can comprise two terminals, and one of them terminal can be connected to the input terminal of the positive polarity of all N number of charger unit 310-n, and another terminal can be connected to the input terminal of the negative polarity of all N number of charger unit 310-n.
Discrete charger 300 also can comprise discrete charging plug 330.Discrete charging plug 330 can comprise N+1 terminal, and this N+1 terminal is coupled to above-mentioned first lead-out terminal 311, a N-1 intermediate output terminal 312 and tail lead-out terminal 313 respectively.
In this way, discrete charger 300 can realize charging to the discrete of battery pack." discrete charging " herein refers to can carry out charge independence to each battery core module from the positive and negative end of each battery core module of battery pack simultaneously.Such as, charge independence is carried out to it in the two ends that the first terminal of discrete charging plug 330 and the second terminal can be connected to the first battery core module in battery pack, charge independence is carried out to it in the two ends that second terminal and the 3rd terminal can be connected to the second battery core module in battery pack, the rest may be inferred, and charge independence is carried out to it in the two ends that N terminal and N+1 terminal can be connected to N battery core module in battery pack.
Now, the pressure reduction between two lead-out terminals of each baffle 320-n is the voltage of corresponding battery core module.If the voltage of arbitrary battery core module exceedes predetermined threshold, then corresponding baffle 320-n will disconnect stopping charging, protects battery core module not to be damaged thus.Such as, the normal voltage range of battery core module is about 3 ~ 4.2V.When the voltage of any battery core module is more than 4.2V, the baffle 320-n for the charger unit 310-n to this battery core module charge independence disconnects, thus stops separately the charging of this battery core module to play additives for overcharge protection.It should be noted that the battery core module that other voltages do not reach 4.2V still continues charging, until the voltage of self reaches 4.2V, be namely full of electricity.In this way, can ensure that each battery core module can be full of.
More preferably, discrete charger 300 also can comprise two LED314,315 be associated with each charger unit 310-1.These two LED can have different colors.When carrying out integral type charging to battery pack, one of them LED is communicated with at the baffle of the charger unit be associated, luminescence when not completing of namely charging, and another LED is luminous to indicate charger unit charging complete when baffle disconnects.
In one embodiment, discrete charger 300 also can comprise the multiple radiators 360 being connected to attaching plug 340 by voltage conversion device 350, such as fan, to dispel the heat to charger unit 310-n in charging process.Discrete charger 300 also can comprise switch 370, and one end of switch 370 is coupled to a terminal of attaching plug 340, and the other end is coupled to the input terminal of all N number of charger unit 310-n.
Fig. 4 shows the stereogram of the outward appearance of discrete charger 400 according to an aspect of the present invention.Discrete charger 400 can comprise the circuit structure identical with the discrete charger 300 shown in Fig. 3.As shown in Figure 4, discrete charger 400 can comprise shell 410.Shell 410 can have two openings, N+1 terminal of discrete charging plug 430 is coupled to first lead-out terminal, a N-1 intermediate output terminal and the tail lead-out terminal above described in composition graphs 3 by the connecting line entering shell 410 inside through opening, and two terminals of attaching plug 440 are coupled to the input terminal of the N number of charger unit above described in composition graphs 3 by the connecting line entering shell 410 inside through another opening.Shell 410 is also provided with radiator 460, switch 470 and indicator light 420.
Fig. 5 shows the circuit diagram of battery pack 500 according to an aspect of the present invention.As shown in Figure 5, battery pack 500 can comprise multiple battery core module 510-n, n=1 ... N.N=13 battery core module has been shown in Fig. 5, but this is illustrated examples, N can be greater than 1 any integer.This N number of battery core module 510-n is cascaded, the first node 521 of end to end formation 1 of N number of battery core module, a N-1 intermediate node 522 and a tail node 523.Each battery core module 510-n comprises the fuse 512 of a battery core 511 and series connection with it.In practice, a battery core 511 can be received in an outer box as a battery core module 510-n with the fuse 512 be associated.
Battery pack 500 also can comprise user port 550.User port 550 can comprise first user port terminal and the second user port terminal (representing by numeral 1,2 in figure).Specifically, the first user port terminal of user port 550 can couple with first node 521, together with the second user port terminal can be coupled in tail node 523.In this way, user port 550 can be cascaded with above-mentioned N number of series electrical core module 510-n.Thus, when user port 550 is connected to conventional charger (charger as shown in Figure 1), integral type charging can be carried out to this N number of battery core module 510-n.The head and the tail Nodes of all series connection battery cores that " integral type charging " as herein described refers to from battery pack carries out a bulk charging to battery pack, as shown in Figure 1.When user port 550 is connected to external equipment (not shown), each battery core module 510-n of battery pack 500 starts electric discharge, thus powers to this external equipment.
In an embodiment (as shown in Fig. 5) with additives for overcharge protection, battery pack 500 also can comprise the baffle 540 protected and be connected between first node 521 and first user port terminal.When carrying out integral type charging to battery pack 500; baffle 540 can disconnect when the voltage of arbitrary battery core module 510-n exceedes predetermined threshold; to form open circuit between first node 521 and first user port terminal, battery core module 510-n is protected not to be damaged thus.Such as, the normal voltage range of battery core module 510-n is about 3 ~ 4.2V.When the voltage of any battery core module 510-n is more than 4.2V, baffle 540 disconnects, thus plays additives for overcharge protection.
Particularly, baffle 540 can comprise first to N+2, be total to N+2 pin, such as, be 15 pins (marking by numeral in Figure 5) in the situation of N=13.First pin can be coupled to first node 521, the second to N+1 pin can be coupled to N-1 intermediate node 522 and tail node 523 respectively, and N+2 pin is coupled to first user port terminal.Pressure reduction between first and second pins of baffle 540 is the voltage of the first battery core module 510-1; pressure reduction between second pin and the 3rd pin is the voltage of the second battery core module 510-2; similarly, baffle 540 can detect the voltage of arbitrary battery core module 510-n.When the voltage of all battery core module 510-n is all less than 4.2V, first pin and N+2 pin are (as shown in the figure, first and the 15 pin) between be electric connection, make first node 521 and first user port terminal electric connection thus, to make to carry out integral type charging.Otherwise the voltage of arbitrary battery core module 510-n is more than 4.2V if detect, is then disconnected between the first pin and N+2 pin (as shown in the figure, first and the 15 pin), thus disconnects charging circuit.
As discussed above, when battery pack 500 uses user port 550 to charge, battery pack 500 is in integral type charge mode.User, when routine use, charges by user port 550 pairs of battery pack 500.More preferably, battery pack 500 also can comprise disconnect 560 between the tail node 523 of this N number of battery core module 510-n and the second user port terminal of this user port 550.Disconnect 560, when disconnecting, forms open circuit between user port 550 and the battery core module 510-n connected, thus can not carry out conventional integral type charging.
Battery pack 500 also can comprise discrete charging socket 530.Discrete charging socket 530 can have N+1 terminal, such as, be 14 terminals (marking by numeral in Figure 5) in the situation of N=13.Above-mentioned first node 521, a N-1 intermediate node 522 and tail node 523 can be coupled to N+1 terminal on discrete charging socket 530 respectively.As shown in Figure 5, first node 521 can be coupled to the first terminal of discrete charging socket 530,12 intermediate nodes can be coupled to the second to ten three terminal of discrete charging socket 530 successively, and tail node 523 can be coupled to the 14 terminal of discrete charging socket 530.As readily understood by the skilled person, the first to the N+1 terminal of discrete charging socket 530 corresponds to the first to the N+1 terminal of above-mentioned discrete charging plug here.
Thus, discrete charging is carried out by discrete charging socket 530 pairs of battery pack 500.Particularly, the discrete charging plug of discrete charger mentioned above can be inserted discrete charging socket 530 by special maintenance personnel.Such as, the first to ten four terminal of discrete charging plug as shown in Figure 3 is connected with the first to ten four terminal of the discrete charging plug shown in Fig. 5, respectively to carry out charge independence to first in Fig. 5 to each in the 13 battery core module.
Fig. 6 shows the schematic perspective view of the mechanical structure of battery pack 600 according to an aspect of the present invention.Fig. 7 is the schematic top plan view of the mechanical structure of battery pack 600, and Fig. 8 is the explosive view of battery pack 600.Below in conjunction with accompanying drawing 6-8, the mechanical arrangement of battery pack 600 is described.
As shown in figs 6-8, multiple battery core module 610-n is arranged in order together.Battery pack 600 can comprise body frame 630.On body frame 630, corresponding each battery core module 610-n can be provided with the carrying terminal 650a-b of two metals.For convenience, the carrying terminal away from reader in figure is designated as carrying terminal 650a, the carrying terminal near reader is designated as carrying terminal 650b.More preferably, body frame 630 can be " work " font, comprises two horizontal part 632a-b and vertical component effects 633, as shown in figs 6-8.For convenience, the horizontal part away from reader in figure is designated as horizontal part 632a, the horizontal part near reader is designated as horizontal part 632b.Each carrying terminal 650a, 650b are in turn arranged on horizontal part 632a, 632b of body frame.
Positive and negative two terminals of each battery core module 610-n can be coupled to these two carrying terminal 650a-b respectively.Such as, in the example of the N=13 shown in Fig. 6-8, the positive terminals of the first battery core module 610-1 can be coupled to carrying terminal 650a, negative terminals can be coupled to carrying terminal 650b, the positive terminals of the second battery core module 610-2 can be coupled to carrying terminal 650b, negative terminals can be coupled to carrying terminal 650a, the positive terminals of the 3rd battery core module 610-3 can be coupled to carrying terminal 650a, negative terminals can be coupled to carrying terminal 650b, positive and negative terminals are alternately until the positive terminals of the 6th battery core module 610-6 can be coupled to carrying terminal 650b successively, negative terminals can be coupled to carrying terminal 650a.At the opposite side of vertical component effect 633, the positive terminals of the 7th battery core module 610-7 can be coupled to carrying terminal 650b, negative terminals can be coupled to carrying terminal 650a, the positive terminals of the 8th battery core module 610-8 can be coupled to carrying terminal 650a, negative terminals can be coupled to carrying terminal 650b, and positive and negative terminals are alternately until the positive terminals of the 13 battery core module 610-13 can be coupled to carrying terminal 650b, negative terminals can be coupled to carrying terminal 650a successively.Thus, all N number of battery core module 610-n are in turn arranged between these two horizontal parts.
Two respective carrier terminals of two often adjacent battery core module 610-n such as can link together with connecting line and as intermediate node, all N number of battery core module 610-n are connected on together.Such as, the carrying terminal 650a of the first battery core module 610-1 and the carrying terminal 650a of the second battery core module 610-2 is joined together, and encloses two carrying terminals to represent that these two carrying terminals are joined together in Fig. 7 with ellipse.In this configuration, the carrying terminal 650b of the 6th battery core module 610-6 in Fig. 7 on the left of the vertical component effect 633 and carrying terminal 650a of right side the 7th battery core module 610-7 is joined together.In one example, if not there is electrical connectivity between two each adjacent carrying terminals 650 on body frame 630, then separate with insulation wall 631.Insulation wall 631 can such as be fixed on two horizontal part 632a-b of body frame 630 with glue.
So all 13 battery core module 610-n are connected on together, and the carrying terminal 650b of the first battery core module 610-1 is first node, as intermediate node together with link together two carrying terminal 650a of the first battery core module 610-1 and the second battery core module 610-2, until the carrying terminal 650b of last 13 battery core module 610-13 is tail node.
Fig. 9 shows the explosive view of battery core module 610-n.As shown in Figure 9, the battery core 613 that each battery core module 610-n can comprise outer box 611 and be accommodated in outer box 611, outer box 611 can have a lid 670, and its China and foreign countries' box 611 and lid 670 can be plastic materials.The two ends at the back side of lid 670 are respectively equipped with a metal connecting piece 660, the brace of such as metal.Such as, the two ends of lid 670 and metal connecting piece 660 are respectively equipped with through hole, thus metal connecting piece 660 by fastened by screw on lid 670.Positive and negative two polar terminals of battery core 613 can be connected to corresponding metal connecting piece 660 respectively.In one example, the fuse 612 be in series with battery core 613 is also provided with in each outer box 611.Fuse 612 is connected between a polar terminals of battery core 613 and a metalwork 660.Outer box 611 and lid 670 can such as be sticked together by glue, are encapsulated in outer box 611 thus by battery core 613 and fuse 612, form a battery core module 610-n.
For convenience, the metal connecting piece away from reader in Fig. 7 is designated as 660a, the metal connecting piece near reader is designated as 660b.Such as, two metal connecting pieces 660a, 660b of each battery core module 610-n can be connected to again two respective carrier terminals 650a, 650b being positioned at separately on two horizontal parts of body frame 630.
Figure 10 shows the stereogram of carrying terminal 650.As shown in Figure 10, each carrying terminal 650 be comprise the first connecting portion 651 and the second connecting portion 652 "
" font metalwork.First connecting portion 652, second connecting portion 651 can be provided with through hole 653,654.First connecting portion 652 of carrying terminal 650 is by the securing member through through hole 654, the horizontal part 632 of such as screw and body frame 630 is fixed together, and metal connecting piece 660 is by through the securing member of through hole 653, such as screw and carrying terminal 650 the and connecting portion 651 is fixed together.
In this way, all N number of battery core module 610-n can be equipped on body frame 630.It should be noted that the screw by dismounting fastening metal connector 660 and carrying terminal 650, can dismantle and change arbitrary battery core module 610-n.
Battery pack 600 also can comprise user port 680, first and second user port terminals of this user port 680 can be coupled to as all first nodes of N number of battery core module 610-n and the respective carrier terminal of tail node respectively, the such as carrying terminal 650b of the first battery core module 610-1 as shown in Figure 7 and carrying terminal 650b of the 13 battery core module 610-13.Thus, user port can be used for being connected to traditional integral type charger and carries out integral type charging to battery pack 600, or is connected to external equipment and powers to this external equipment with charge power supply.
In the example of battery pack 600 with additives for overcharge protection (as viewed in figures 5-8), battery pack 600 also can comprise the baffle 620 between above-mentioned first node and the first user port terminal of user port being connected to all N number of battery core modules.Baffle 620 also can be included in outer box and encapsulate, and encapsulating structure and all similar to battery core module 610-n to the fixed form of body frame 630, and what difference was only to fill in outer box is baffle 620, but not the battery core 613 of series connection and fuse 612.
Baffle comprises N+2 pin; the first pin is wherein coupled to one of them metal connecting piece 660 of the outer box of baffle 620; such as metal connecting piece 650b; the carrying terminal 650b tightened together with this metal connecting piece 660b is connected to the carrying terminal 650b of the first node as all N number of battery core modules, is the carrying terminal 650b of the first battery core module 610-1 in the figure 7.Because these two carrying terminals are adjacent, therefore can directly they be connected.
The second to N+1 pin such as can be coupled to each carrying terminal 650 of N-1 intermediate node as all N number of battery core modules and tail node respectively by connecting line.In practice during cabling, the box wall of the outer box of baffle 620 can have through hole and extract from outer box to allow connecting line, receive corresponding carrying terminal 650.N+2 pin such as can pass the opening on lid by connecting line, is coupled to the first user port terminal of user port 680.
Another metal connecting piece 660 of the outer box of baffle 620, such as metal connecting piece 660a, is coupled to the second user port terminal by the connecting line through lid upper shed.Now, the carrying terminal 650a tightened together with this metal connecting piece 660a such as can be coupled to the carrying terminal of the tail node as all N number of battery core module 610-n by connecting line.Thus, the integral type charging circuit of band overcharge protection can be formed.When the voltage of arbitrary battery core module 610-n is higher than predetermined threshold, will disconnect between the first pin and N+2 pin, and then make whole charging circuit disconnect stopping charging.
Battery pack 600 also can comprise discrete charging socket 690, and this discrete charging socket 690 can be fixed on body frame 630, such as, on the vertical component effect 633 of " work " font body frame.Discrete charging socket 690 can have N+1 end points, each carrying terminal 650 of the above-mentioned first node as N number of battery core module 610-n, a N-1 intermediate node and tail node such as can use connecting line, is connected to N+1 end points on discrete charging socket 690 respectively.As discussed above, discrete charging socket 690 can be used for being connected to discrete charger discussed above to charge separately to each battery core module in all N number of battery core module 610-n.
As shown in Figure 8, body frame 630 is provided with an opening 634 adapted with the shape of discrete charging socket 690, can be exposed to this opening 634 to make discrete charging socket 690.In one embodiment, on body frame 630, contiguous discrete charging socket 690 place is provided with banana bin 641a-b and banana bin 642a-b, not there is electric connection between banana bin 641a-b and banana bin 642a-b, but such as can connect that there is electric connection by connecting line between banana bin 641a and 641b and between banana bin 642a and 642b.
Banana bin 641a-b can be connected to the second user port terminal of user port 680.In the embodiment of band baffle 620; banana bin 641a-b can be coupled to the metal connecting piece 660a on the outer box lid of baffle 620; can be connected to the second user port terminal of user port 680 thus, and banana bin 642a-b such as can be coupled to the carrying terminal of the tail node as N number of battery core module 610-n by connecting line.In this case; the N+1 pin of baffle 620 is (in the situation of N=13; be the 14 pin) can with banana bin 641a-b electric connection; such as also be coupled to the metal connecting piece 660a on the outer box lid of baffle 620; or; also can with banana bin 642a-b electric connection, be such as coupled to banana bin 642a-b by connecting line.Due to not being communicated with of banana bin 641a-b and banana bin 642a-b, between the N number of battery core module 610-n making user port 680 and series connection, form open circuit.
Discrete charging socket 690 can be provided with the over cap 640 of an isolation material.This over cap 640 have banana plug 643a-b, the 644a-b corresponding with banana bin 641a-b, 642a-b.Figure 11 shows the stereogram of over cap 640.Be electric connection between banana plug 643a and 644a of over cap 640, such as over cap 640 inside has connecting line to connect banana plug 643a and 644a.Similarly, be electric connection between banana plug 643b and 644b of over cap 640.By banana plug 643a-b, 644a-b are inserted banana bin 641a-b, 642a-b respectively, over cap 640 can cover on discrete charging socket 690, to cover discrete charging socket 690.In this case, owing to being electrically communicated between banana bin 641a-b and banana bin 642a-b, thus make to form path between N number of battery core module 610-n of user port 680 and series connection.The lower end of discrete charging socket 690 also can fixed support base 635, and such as copper seat is to provide support.
When over cap 640 covers on discrete charging socket 690, battery pack 600 can carry out traditional integral type charging by user port 680.When needs carry out discrete charging to battery pack 600, over cap 640 can be pulled up, plug the discrete charging plug of the discrete charger described above.Now, because over cap 640 is unplugged, cause user port 680 and and series connection N number of battery core module 610-n between form open circuit, thus prohibit simultaneously to battery pack 600 carry out integral type charging to produce danger.
According to the present invention, can maintain battery pack and safeguard.When the performance parameter of battery pack is not less than threshold value, the user port by battery pack carries out integral type charging to battery pack.This performance parameter can be service time such as between the charging of twice integral type etc.When the performance parameter of battery pack is lower than threshold value, the discrete charging socket by battery pack carries out discrete charging to battery pack.Such as, if user feels that the service time being full of the rear battery pack of electricity obviously reduces in use, then can pull up over cap, and by discrete charger, discrete charging be carried out to battery pack.By the time all indicator lights on discrete charger, all from when such as redness becomes green, represent that all battery cores are all filled with electricity, thus eliminate the pressure reduction between each battery core, thus within a period of time, improve the serviceability of battery pack.
When the performance parameter of battery pack reduces further or even can not use, may show that the capacitance of some or several battery core module declines serious or damaged.Now special maintenance personnel can use universal instrument to measure the voltage of all battery core modules, wherein no-voltage registration and screw that wherein voltage subaverage reaches the battery core module of predetermined value such as more than 0.3 volt are backed out and change new battery core module.Then, pull up the over cap in battery pack, the discrete charging plug of discrete charger is inserted discrete charging socket and carries out discrete charging, until all indicator lights all become green from redness, represent that the charging of all battery core modules terminates.Discrete charging plug can be pulled up, cover over cap.
According to the solution of the present invention, can some battery core module of battery pack is aging cause capacitance to decline time, by eliminating the pressure reduction between each battery core module to the charging of the discrete of battery pack, improve the serviceability of battery pack.When some battery core module is aging seriously, when even damaging, can by changing battery core module, and again to be charged the pressure reduction eliminated between new battery core module and old battery core module by discrete, thus play the beneficial effect in the useful life of prolongation battery pack.
Thering is provided previous description of the present disclosure is for making any person skilled in the art all can make or use the disclosure.To be all apparent for a person skilled in the art to various amendment of the present disclosure, and generic principles as defined herein can be applied to other variants and can not depart from spirit or scope of the present disclosure.Thus, the disclosure not intended to be is defined to example described herein and design, but the widest scope consistent with principle disclosed herein and novel features should be awarded.
Claims (20)
1. a battery pack, comprising:
N number of battery core module, N be greater than 1 integer, each battery core module is removably equipped on body frame, and described N number of battery core block coupled in series together, and has the intermediate node between first node, tail node and N-1 every two battery core modules;
User port, described user port is used for being connected to the first charger to carry out integral type charging to described battery pack or to be connected to external equipment to power to described external equipment, and the first user port terminal of wherein said user port and the second user port terminal are coupled to first node and the tail node of described N number of battery core module respectively; And
Discrete charging socket, described discrete charging socket have N+1 end points, the described first node of described N number of battery core module, a N-1 intermediate node and described tail node are coupled to N+1 end points on described discrete charging socket respectively, and described discrete charging socket is for being connected to the second charger to carry out discrete charging to N number of battery core module of described battery pack.
2. battery pack as claimed in claim 1, it is characterized in that, each battery core module comprises outer box, the fuse that described outer box comprises battery core and connects with battery core.
3. battery pack as claimed in claim 1, it is characterized in that, between the tail node and the second user port terminal of described user port of described N number of battery core module, there is disconnect, wherein when described discrete charging socket is connected to described second charger charging, described disconnect is just in off-state.
4. battery pack as claimed in claim 1, it is characterized in that, described battery pack also comprises:
Baffle; between the first node that described baffle is connected to described N number of battery core module and the first user port terminal of described user port, described baffle disconnects when the voltage of arbitrary battery core module exceeds predetermined threshold to form open circuit between described first node and described first user port terminal.
5. battery pack as claimed in claim 4, it is characterized in that, described baffle comprises N+2 pin, wherein the first pin is coupled to described first node, the second to N+1 pin is coupled to N-1 intermediate node and the tail node of described N number of battery core module respectively, N+2 pin is coupled to described first user port terminal, wherein said baffle detects the voltage of each battery core module in described N number of battery core module by the voltage of the first to N+1 pin, and when detecting that the voltage of arbitrary battery core module exceeds predetermined threshold, be disconnected between described first pin and described N+2 pin, otherwise be connected.
6. a battery pack, comprising:
N number of battery core module, wherein N be greater than 1 integer, described N number of battery core module is arranged in order together;
Body frame, on described body frame, corresponding each battery core module is provided with two carrying terminals of metal, the two ends of each battery core module are coupled to respectively and carry terminal accordingly, and often two respective carrier connecting terminals of adjacent two battery core modules are connected together and make described N number of battery core module be connected on together as intermediate node;
User port, described user port is used for being connected to the first charger to carry out integral type charging to described battery pack or to be connected to external equipment to power to described external equipment, and the first user port terminal of wherein said user port and the second user port terminal are connected to as the described first node of N number of battery core module and the respective carrier terminal of tail node respectively; And
Discrete charging socket, described discrete charging socket is fixed on described body frame, described discrete charging socket have N+1 end points, each carrying terminal as the described first node of described N number of battery core module, a N-1 intermediate node and described tail node is connected to N+1 end points on described balanced socket respectively, and described discrete charging socket is for being connected to the second charger to carry out discrete charging to N number of battery core module of described battery pack.
7. battery pack as claimed in claim 6, it is characterized in that, described body frame comprises two horizontal parts, each carrying terminal is in turn located on two horizontal parts of described body frame, two carrying terminals wherein for each battery core module lay respectively at described two horizontal parts, and described N number of battery core module is sequentially arranged between described two horizontal parts.
8. battery pack as claimed in claim 7, it is characterized in that, each battery core module comprises outer box and is accommodated in the battery core in outer box, the two ends, the back side of the lid of described outer box are respectively equipped with a metal connecting piece, positive and negative two polar terminals of described battery core are connected to corresponding metal connecting piece respectively, and described two metal connecting pieces are connected to again two the respective carrier terminals be positioned at separately on two horizontal parts of described body frame respectively.
9. battery pack as claimed in claim 8, is characterized in that, each carrying terminal be comprise the first connecting portion and the second connecting portion "
" font metalwork, described first connecting portion is fastened onto on the described horizontal part of described body frame, and the metal connecting piece of each battery core module is removably anchored on described second connecting portion of carrying terminal.
10. battery pack as claimed in claim 9, it is characterized in that, described first connecting portion and described second connecting portion of each carrying terminal are provided with through hole, the horizontal part of the body frame of each metal connecting piece and carrying terminal present position is also provided with corresponding through hole, described first connecting portion and the described body frame of carrying terminal are linked together by the securing member through respective through hole, and described second connecting portion of metal connecting piece and respective carrier terminal is linked together by securing member.
11. battery pack as claimed in claim 8, is characterized in that, be also provided with fuse in the outer box of each battery core module, described fuse is connected between a polar terminals of described battery core and a metalwork of described outer box.
12. battery pack as claimed in claim 7, it is characterized in that, described body frame is in " work " font, and each carrying terminal is arranged on two horizontal parts of described " work " font body frame, and described discrete charging socket is fixed on the vertical component effect of described " work " font body frame.
13. battery pack as claimed in claim 6, it is characterized in that, described body frame is provided with an opening adapted with the shape of described discrete charging socket and described discrete charging socket is exposed to described opening, on described body frame, contiguous described discrete charging socket place is provided with the first banana bin and second banana bin each other without electric connection, described first banana bin is connected to the second user port terminal of described user port, and the second banana bin is connected to the carrying terminal of the tail node as described N number of battery core module.
14. battery pack as claimed in claim 13, it is characterized in that, described discrete charging socket has over cap, described over cap have first banana plug corresponding with described first banana bin and described second banana bin and the second banana plug, electric connection between described first banana plug and described second banana plug, discrete charging socket is covered in when described over cap covers on described discrete charging socket, simultaneously described first banana plug and described second banana plug insert described first banana bin and described second banana bin respectively to make electric connection between described first banana bin and described second banana bin.
15. battery pack as claimed in claim 6, it is characterized in that, described battery pack also comprises the baffle between described first node and the first user port terminal of described user port being connected to described N number of battery core module, described baffle disconnects to form open circuit between described first node and the first user port terminal of described user port higher than during predetermined threshold at the voltage of arbitrary battery core module, wherein said baffle is accommodated in an outer box, the two ends, the back side of the lid of outer box are respectively equipped with a metal connecting piece, on described body frame, corresponding described baffle is provided with two carrying terminals, the metalwork at the lid two ends of described baffle is fastened to respectively and carries terminal accordingly.
16. battery pack as claimed in claim 15, it is characterized in that, described baffle comprises N+2 pin, the first pin is wherein coupled to one of them metal connecting piece of the outer box of described baffle, with the carrying terminal being coupled to carrying terminal that metal connecting piece that described first pin is connected tightens together and being connected to the first node as described N number of battery core module, the second to N+1 pin is coupled to each carrying terminal of N-1 intermediate node as described N number of battery core module and described tail node respectively, N+2 pin is coupled to the first user port terminal of described user port, wherein when the voltage of arbitrary battery core module is higher than predetermined threshold, described first pin and described N+2 pin separated, otherwise be electric connection.
17. battery pack as claimed in claim 16; it is characterized in that; the lid of the outer box of described baffle is provided with opening; the N+2 pin of described baffle is by being coupled to described first user port terminal through the connecting line of described opening; another metal connecting piece of the outer box of described baffle is by being coupled to described second user port terminal through the connecting line of described opening, the carrying terminal wherein tightened together with this another metal connecting piece of the outer box of described baffle is coupled to the carrying terminal of the described tail node as described N number of battery core module.
18. battery pack as claimed in claim 6, is characterized in that, if do not have electrical connectivity between two carrying terminals often adjacent on described body frame, have an insulation wall.
Safeguard the method as the battery pack in claim 1-18 as described in any one, comprising for 19. 1 kinds:
When the performance parameter of described battery pack is not less than threshold value, carry out integral type charging by all battery core modules of user port to described battery pack of described battery pack; And
When the performance parameter of described battery pack is lower than described threshold value, carry out discrete charging, until make each battery core module be full of electricity by each battery core module of discrete charging socket to described battery pack of described battery pack.
20. methods as claimed in claim 19, is characterized in that, also comprise:
When the voltage of any battery core module of described battery pack reaches predetermined value lower than average voltage, use new battery core module to change this battery core module; And
Discrete charging is carried out, until make each battery core module be full of electricity by each battery core module of discrete charging socket to described battery pack of described battery pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410002657.1A CN104766985A (en) | 2014-01-03 | 2014-01-03 | Battery pack and battery maintenance method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410002657.1A CN104766985A (en) | 2014-01-03 | 2014-01-03 | Battery pack and battery maintenance method |
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| CN104766985A true CN104766985A (en) | 2015-07-08 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105262163A (en) * | 2015-10-14 | 2016-01-20 | 小米科技有限责任公司 | Battery, charging device, and electronic device |
| CN105356526A (en) * | 2015-09-08 | 2016-02-24 | 上海空间电源研究所 | Single-charging and single-cutting charging method and charging system for storage batteries |
| CN107425573A (en) * | 2017-08-22 | 2017-12-01 | 丁玉鑫 | Series-connected cell balanced charging device |
-
2014
- 2014-01-03 CN CN201410002657.1A patent/CN104766985A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105356526A (en) * | 2015-09-08 | 2016-02-24 | 上海空间电源研究所 | Single-charging and single-cutting charging method and charging system for storage batteries |
| CN105356526B (en) * | 2015-09-08 | 2018-06-12 | 上海空间电源研究所 | A kind of accumulator singly cuts charging method and charging system with singly filling |
| CN105262163A (en) * | 2015-10-14 | 2016-01-20 | 小米科技有限责任公司 | Battery, charging device, and electronic device |
| CN107425573A (en) * | 2017-08-22 | 2017-12-01 | 丁玉鑫 | Series-connected cell balanced charging device |
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Application publication date: 20150708 |