CN107910487B - A kind of battery connecting piece, battery and cell array - Google Patents
A kind of battery connecting piece, battery and cell array Download PDFInfo
- Publication number
- CN107910487B CN107910487B CN201711095023.5A CN201711095023A CN107910487B CN 107910487 B CN107910487 B CN 107910487B CN 201711095023 A CN201711095023 A CN 201711095023A CN 107910487 B CN107910487 B CN 107910487B
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- China
- Prior art keywords
- battery
- connection portion
- series connection
- pcb board
- electrically connected
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Links
- 239000002184 metal Substances 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 11
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 238000003491 array Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000003466 welding Methods 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 229910001369 Brass Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 208000032953 Device battery issue Diseases 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 230000001535 kindling effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention discloses a kind of battery connecting pieces, including pcb board, fuse, the first series connection portion for being electrically connected with the first battery, the second series connection portion for being electrically connected with the second battery and the portion in parallel being electrically connected with the first series connection portion；Fuse, the first series connection portion and parallel connection portion are arranged on the top surface of pcb board, and the second series connection portion is arranged on the bottom surface of pcb board；Pcb board is equipped with the first perforation；First series connection portion is electrically connected with the first end of fuse, and the second end of fuse is electrically connected by the first perforation with the second series connection portion.Through the above structure, the present invention can be when battery breaks down, disconnect the electrical connection of battery, and periphery battery is made to maintain electrical connection by parallel connection portion, while avoiding fail battery from causing accident by series-parallel relationship, influence of the fail battery to power battery pack performance is reduced, the stability of power battery pack is improved, ensures the personal safety of passenger.The invention also provides a kind of battery and cell arrays.
Description
Technical field
The present invention relates to battery technology fields, and in particular to a kind of battery connecting piece, battery and cell array.
Background technique
In recent years, electric car is quickly grown, core of the battery as electric car, is developed more in electric car
It plays a key effect in development.
Electric car needs the battery pack of various voltage class and capacity, at present technology be single battery is synchronized it is in parallel or
Series connection is combined.In the prior art, realize that single battery is usually passed through welding by connection sheet by mode in parallel or series
Etc. modes are directly affixed becomes mould group, then carry out and connect.Again since in the practical application of electric car, power battery pack must
Must have the characteristics of big voltage, high capacity, thus multiple single batteries must be reached electric car by series-parallel mode
It is required that voltage and capacity.Also just because of this, when over-voltage, overcurrent, overheat or short trouble occur for certain batteries, it is easy to pass through
The series-parallel network of personal connections of entire power battery pack causes kindling and even explodes, and there are huge security risks, threatens passenger
Personal safety.
In addition, manufacturer needs in response to different automobiles since the power battery pack in electric car has different specifications
Required voltage and capacity requirement designs different power battery packs, and module is difficult to share, and is unable to flexible combination, needs weight
Newly developed, so that development cost is high, the period is long.
Summary of the invention
The embodiment of the present invention is the technical problem to be solved is that, provide a kind of battery connecting piece, battery and cell array, energy
Exclusive safety device is provided for each battery, when battery breaks down, disconnects the electrical connection with fail battery, and make
Periphery battery maintains electrical connection by the parallel connection portion, and fail battery is avoided to cause the same of safety accident by series-parallel relationship
When, influence of the fail battery to power battery pack performance is reduced, the stability of power battery pack is improved, ensures the people of passenger
Body safety.Further, the embodiment of the present invention is able to achieve the parallel connection of multiple batteries, and assembling is simple, can provide assembling power battery
The flexibility of group, the series-parallel relationship by the way that battery is altered as desired obtain the power battery pack of different voltage and capacity, reduce
Manufacturing cost.
In order to achieve the above object, first aspect of the embodiment of the present invention provides a kind of battery connecting piece, comprising: pcb board, guarantor
Dangerous silk, the first series connection portion for being electrically connected with the first battery, the second series connection portion for being electrically connected with the second battery and with
The portion in parallel of first series connection portion electrical connection；
The fuse, first series connection portion and the parallel connection portion are arranged on the top surface of the pcb board, and described
Two series connection portions are arranged on the bottom surface of the pcb board；
The pcb board is equipped with the first perforation；First series connection portion is electrically connected with the first end of the fuse, described
The second end of fuse is electrically connected by first perforation with second series connection portion.
In a kind of optional embodiment, first series connection portion is the centre bit that the top surface of the pcb board is arranged in
The threaded connection element set.
In a kind of optional embodiment, it is described first perforation be it is multiple, it is multiple it is described first perforation is uniformly arranged on
On the pcb board in region corresponding with second series connection portion, multiple first perforation are used for second series connection portion
It is welded on second battery；The second end of the fuse is electrically connected by first perforation with second series connection portion
Specifically: the second end of the fuse is electrically connected by one of them described first perforation with second series connection portion.Pass through
The mode of welding provides reliable and stable be electrically connected between the battery connecting piece and second battery.
In a kind of optional embodiment, second series connection portion is metal ring；The center of circle of the metal ring with
The center of the bottom surface of the pcb board is overlapped, and the exradius of the metal ring is less than or equal to the half of second battery
Diameter.The metal ring is located within the scope of the connecting end surface of second battery, guarantees to be electrically connected with the generation of the second battery
While, save material.
In a kind of optional embodiment, the parallel connection portion is analog-U shaped elastic slice；The open end of the analog-U shaped elastic slice is remote
The center of top surface from the pcb board, analog-U shaped elastic slice one end opposite with the open end is close to the top of the pcb board
The center in face.By setting analog-U shaped elastic piece structure for the parallel connection portion, and make the open end of the analog-U shaped elastic slice far from institute
The center for stating the bottom surface of pcb board is conducive to external component and cooperates realization in parallel by way of grafting with the portion in parallel, is convenient for
Assembling.
In a kind of optional embodiment, the analog-U shaped elastic slice includes two symmetrically arranged cards, two cards
Piece bends inwards.Two cards bend inwards to form a fastening part, when the external portion of utilization and the analog-U shaped elastic slice cooperation
When part is plugged into the fastening part of the analog-U shaped elastic slice, the analog-U shaped elastic slice occurs elastic deformation and generates fixing to external component
Power consolidates the contact of external component and the analog-U shaped elastic slice.
In a kind of optional embodiment, the parallel connection portion be it is multiple, multiple parallel connection portions are equally spaced in institute
The center for stating the top surface of pcb board is on the same circumference in the center of circle.The battery connecting piece is equipped with multiple parallel connection portions, so that described
Battery connecting piece can be realized in parallel with multiple batteries by the parallel connection portion.
Second aspect of the embodiment of the present invention provides a kind of battery, including battery body and battery as described above connection
Part；One polarity ends of the battery body are equipped with the connection terminal matched with first series connection portion, the battery body
Another polarity ends be electrically connected with second series connection portion.
The third aspect of the embodiment of the present invention provides a kind of cell array, including several batteries as described above；It is several
A battery is connected in series.
In a kind of optional embodiment, the cell array further includes cell tube；Several batteries are arranged in institute
State in cell tube, the cell tube be provided with the second perforation on each portion's corresponding position in parallel.
Compared with the prior art, the beneficial effect of the embodiment of the present invention is: the embodiment of the present invention provides a kind of battery company
Fitting, battery and cell array, wherein the battery connecting piece includes: pcb board, fuse, for being electrically connected with the first battery
The first series connection portion, the second series connection portion for being electrically connected with the second battery and the parallel connection being electrically connected with first series connection portion
Portion；The fuse, first series connection portion and the parallel connection portion are arranged on the top surface of the pcb board, second string
Connection portion is arranged on the bottom surface of the pcb board；The pcb board is equipped with the first perforation；First series connection portion and the insurance
The second end of the first end electrical connection of silk, the fuse is electrically connected by first perforation with second series connection portion.It is logical
Cross the above structure, the embodiment of the present invention, which is connected in first series connection portion with described second, is arranged fuse between portion, and is equipped with
The portion in parallel being electrically connected with first series connection portion disconnects the electrical connection with fail battery when battery breaks down, and
So that periphery battery is maintained electrical connection by the parallel connection portion, fail battery is avoided to cause the same of safety accident by series-parallel relationship
When, influence of the fail battery to power battery pack performance is reduced, the stability of power battery pack is improved, ensures the people of passenger
Body safety.Further, the embodiment of the present invention is able to achieve the parallel connection of multiple batteries, and assembling is simple, can provide assembling power battery
The flexibility of group, the series-parallel relationship by the way that battery is altered as desired obtain the power battery pack of different voltage and capacity, reduce
Manufacturing cost.
Detailed description of the invention
In order to illustrate more clearly of technical solution of the present invention, attached drawing needed in embodiment will be made below
Simply introduce, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, general for this field
For logical technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of front view of battery connecting piece provided in an embodiment of the present invention；
Fig. 2 is a kind of rearview of battery connecting piece provided in an embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of battery connecting piece provided in an embodiment of the present invention；
Fig. 4 is a kind of structural schematic diagram of battery provided in an embodiment of the present invention；
Fig. 5 is a kind of structural schematic diagram of cell array provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1, Fig. 2 and Fig. 3, wherein Fig. 1 is a kind of battery connecting piece 100 provided in an embodiment of the present invention
Front view, Fig. 2 is a kind of rearview of battery connecting piece 100 provided in an embodiment of the present invention, and Fig. 3 is the embodiment of the present invention
A kind of structural schematic diagram of battery connecting piece 100.First aspect of the embodiment of the present invention provides a kind of battery connecting piece 100, comprising:
Pcb board 101, fuse 102, the first series connection portion 103 for being electrically connected with the first battery, for what is be electrically connected with the second battery
Second series connection portion 104 and portion in parallel 105 for being electrically connected with third battery；
The pcb board 101 is arranged in the fuse 102, first series connection portion 103 and the parallel connection portion 105
On top surface, second series connection portion 104 is arranged on the bottom surface of the pcb board 101；
The pcb board 101 is equipped with the first perforation 106；First series connection portion 103 and the first of the fuse 102
The second end of end electrical connection, the fuse 102 is electrically connected by first perforation 106 with second series connection portion 104；Institute
Portion 105 in parallel is stated to be electrically connected with first series connection portion 103.
The working principle of the embodiment of the present invention is:
When first battery and second normal battery operation, the current value for flowing through the fuse 102 is less than
The both ends of the blow-out current value of the fuse 102, the fuse 102 keep electrical connection, so that first series connection portion 103
It keeps being electrically connected with second series connection portion 104, the parallel connection portion 105 keeps being electrically connected with first series connection portion 103；Work as institute
When stating the second battery and over-voltage, overcurrent, overheat or short trouble occur, the current value for flowing through the fuse 102 reaches the guarantor
The blow-out current value of dangerous silk 102, the fuse 102 fuse, disconnect the electrical connection at the both ends of the fuse 102, that is, disconnect
First series connection portion 103 is electrically connected with second series connection portion 104, since the fuse 102 fusing is only disconnected
The electrical connection that portion 104 is connected with described second by first series connection portion 103, the parallel connection portion 105 connects with described first
The electrical connection in portion 103 does not change, thus first battery by described in being electrically connected with first series connection portion 103 simultaneously
Connection portion 105 is electrically connected with the maintenance of periphery battery, while the second battery has been isolated, ensures that the first battery can be generated with periphery battery
Electrical connection reduces the influence to power battery pack performance, avoids causing voltage cataclysm because of single battery failure, improves power battery
The stability of group.
First series connection portion 103 is separately positioned on the pcb board with the described second portion 104 of connecting by the embodiment of the present invention
101 top surface and bottom surface, and electrical connection is realized by the fuse 102, make first series connection portion 103 must be by described
Fuse 102 could be electrically connected with second series connection portion 104, be effectively guaranteed when the fuse 102 fusing, described
No longer there is electrical connection with the described second portion 104 of connecting in the first series connection portion 103.
In a kind of optional embodiment, the pcb board 101 selects the epoxy resin material that flame retardant rating is high, fusing point is high
Material, effectively prevent the pcb board 101 to melt because of overheat, improves safety.
In a kind of optional embodiment, first series connection portion 103 is the top surface that the pcb board 101 is arranged in
The threaded connection element of center.First series connection portion 103 is connected through a screw thread mode and first battery generates electricity
Connection, so that the connection between the battery connecting piece 100 and first battery is detachable, convenient for assembling.
In a kind of optional embodiment, the threaded connection element is metal nuts.
In a kind of optional embodiment, first perforation 106 is multiple, and multiple first perforation 106 are uniformly
It is arranged on the pcb board 101 in region corresponding with second series connection portion 104, multiple first perforation 106 are used for will
Second series connection portion 104 is welded on second battery；The second end of the fuse 102 is perforated by described first
106 are electrically connected with second series connection portion 104 specifically: the second end of the fuse 102 by one of them described first
Perforation 106 is electrically connected with second series connection portion 104.It is by welding the series connection part 100 and described second
Reliable and stable electrical connection is provided between battery.
In a kind of optional embodiment, the inner wall of multiple first perforation 106 is equipped with conductive layer, the fuse
102 second end is electrically connected by one of them described first perforation 106 with second series connection portion 104 specifically: the guarantor
The second end of dangerous silk 102 is electric by the conductive layer of the inner wall of one of them first perforation 106 and the described second connect portion 104
Connection.
Preferably, the material in second series connection portion 104 is nickel.Nickel is common spot welding material, by way of spot welding
Second series connection portion 104 is welded on second battery, it is easy to operate, and there is good electric conductivity.
Preferably, first perforation 106 is 4.
In a kind of optional embodiment, second series connection portion 104 is metal ring；The center of circle of the metal ring
It is overlapped with the center of the bottom surface of the pcb board 101, and the exradius of the metal ring is less than or equal to second battery
Radius.The metal ring is located within the scope of the connecting end surface of second battery, guarantees the production with second battery
While raw electrical connection, material is saved.
In a kind of optional embodiment, the parallel connection portion 105 is analog-U shaped elastic slice；The open end of the analog-U shaped elastic slice
The center of top surface far from the pcb board 101, analog-U shaped elastic slice one end opposite with the open end is close to the pcb board
The center of 101 top surface.By setting analog-U shaped elastic piece structure for the parallel connection portion 105, and make opening for the analog-U shaped elastic slice
The center of mouthful bottom surface of the end far from the pcb board 101 is conducive to external component with the portion 105 in parallel by way of grafting
Parallel connection is realized in cooperation, convenient for assembling.
In a kind of optional embodiment, the analog-U shaped elastic slice includes two symmetrically arranged cards, two cards
Piece bends inwards.Two cards bend inwards to form a fastening part, when the external component of utilization and the U-shaped elastic slice cooperation
When being plugged into the fastening part of the analog-U shaped elastic slice, the analog-U shaped elastic slice occurs elastic deformation and generates fixing to external component
Power consolidates the contact of external component and the analog-U shaped elastic slice.
It should be noted that the parallel connection portion 105 not merely for realizing parallel connection, can be also used for realizing positioning and number
According to acquisition.When in parallel, can in the parallel connection portion 105 external component of the grafting with electric action；When for positioning
When, it can grafting is matched with 105 structure of parallel connection portion in the parallel connection portion 105 external component；It is acquired when for data
When, grafting the external component that data acquire can be used in the parallel connection portion 105.It is understood that can by it is described simultaneously
In connection portion 105 grafting matched with 105 structure of parallel connection portion and with electric action external component, with simultaneously realize simultaneously
Connection and positioning action.
Preferably, the material in the parallel connection portion 105 is brass plating.The conductive good, antirust of brass plating and intensity
High feature.
In a kind of optional embodiment, the parallel connection portion 105 be it is multiple, multiple parallel connection portions 105 are equally spaced
In on the same circumference using the end face center of the pcb board 101 as the center of circle.Multiple parallel connection portions 105 are able to achieve and multiple electricity
The parallel connection in pond, to increase the capacity of power battery pack, and when external component is plugged in multiple be equally spaced on same circumference
When the parallel connection portion 105, so that the battery connecting piece 100 is more uniformly stressed, preferably positioning is realized.
Preferably, the parallel connection portion 105 is 4.In a kind of optional embodiment, the fuse 102 is patch
Formula fuse.Patch type fuse has stronger shock resistance, high reliablity.
In a kind of optional embodiment, layer 107, first series connection are provided on the top surface of the pcb board 101
Portion 103 is arranged on the layer 107 with multiple portions 105 in parallel, first series connection portion 103 and multiple portions in parallel
105 generate electrical connection by the layer 107；First series connection portion 103 is electrically connected tool with the first end of the fuse 102
Body are as follows: first series connection portion 103 is electrically connected by the layer 107 with the first end of the fuse 102.
Preferably, the material of the layer 107 is tin.
Second aspect of the embodiment of the present invention provides a kind of battery.Referring to Fig. 4, it is provided in an embodiment of the present invention one
The structural schematic diagram of kind battery 200.The battery 200 includes battery body 201 and battery connecting piece 100 as described above；
One polarity ends of the battery body 201 are equipped with the connection terminal 202 matched with first series connection portion 103, the electricity
Another polarity ends of pond ontology 201 are electrically connected with second series connection portion 104.
In a kind of optional embodiment, the anode of the battery body 201 is equipped with connects 103 phase of portion with described first
The cathode of the connection terminal 202 of cooperation, the battery body 201 is electrically connected with second series connection portion 104.
The third aspect of the embodiment of the present invention provides a kind of cell array.Referring to Fig. 5, it is that the embodiment of the present invention provides
A kind of cell array structural schematic diagram.The cell array includes several batteries 200 as described above；Described in several
Battery 200 is connected in series.
It is understood that several described batteries 200 are connected portion 103 by the connection terminal 202 with described first
The mode of cooperation realizes series connection.
In a kind of optional embodiment, the cell array further includes cell tube 300；Several batteries 200 are set
Set in the cell tube 300, the cell tube 300 be provided with second on each 105 corresponding position of portion in parallel and wear
Hole 301.It is that the battery 200 that several are connected in series provides protection by the cell tube 300, improves protecting against shock performance,
Meanwhile external component can be plugged in each parallel connection portion 105 by second perforation 301.
Compared with the prior art, the beneficial effect of the embodiment of the present invention is: the embodiment of the present invention provides a kind of battery company
Fitting, battery and cell array, wherein the battery connecting piece includes: pcb board, fuse, for being electrically connected with the first battery
The first series connection portion, the second series connection portion for being electrically connected with the second battery and the parallel connection being electrically connected with first series connection portion
Portion；The fuse, first series connection portion and the parallel connection portion are arranged on the top surface of the pcb board, second string
Connection portion is arranged on the bottom surface of the pcb board；The pcb board is equipped with the first perforation；First series connection portion and the insurance
The second end of the first end electrical connection of silk, the fuse is electrically connected by first perforation with second series connection portion.It is logical
Cross the above structure, the embodiment of the present invention, which is connected in first series connection portion with described second, is arranged fuse between portion, and is equipped with
The portion in parallel being electrically connected with first series connection portion disconnects the electrical connection with fail battery when battery breaks down, and
So that periphery battery is maintained electrical connection by the parallel connection portion, fail battery is avoided to cause the same of safety accident by series-parallel relationship
When, influence of the fail battery to power battery pack performance is reduced, the stability of power battery pack is improved, ensures the people of passenger
Body safety.Further, the embodiment of the present invention is able to achieve the parallel connection of multiple batteries, and assembling is simple, can provide assembling power battery
The flexibility of group, the series-parallel relationship by the way that battery is altered as desired obtain the power battery pack of different voltage and capacity, reduce
Manufacturing cost.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (9)
1. a kind of battery connecting piece characterized by comprising pcb board, fuse, first for being electrically connected with the first battery
Series connection portion, the second series connection portion for being electrically connected with the second battery and the portion in parallel being electrically connected with first series connection portion；
The fuse, first series connection portion and the parallel connection portion are arranged on the top surface of the pcb board, second string
Connection portion is arranged on the bottom surface of the pcb board；
The pcb board is equipped with the first perforation；First series connection portion is electrically connected with the first end of the fuse, the insurance
The second end of silk is electrically connected by first perforation with second series connection portion；
The parallel connection portion is analog-U shaped elastic slice；The open end of the analog-U shaped elastic slice is described far from the center of the top surface of the pcb board
Center of the analog-U shaped elastic slice one end opposite with the open end close to the top surface of the pcb board.
2. battery connecting piece as described in claim 1, which is characterized in that first series connection portion is to be arranged in the pcb board
Top surface center threaded connection element.
3. battery connecting piece as described in claim 1, which is characterized in that it is described first perforation be it is multiple, multiple described first
Perforation is uniformly arranged on the pcb board in region corresponding with second series connection portion, and multiple first perforation are used for will
Second series connection portion is welded on second battery；The second end of the fuse passes through first perforation and described the
Two series connection portions electrical connection specifically: the second end of the fuse is connected by one of them described first perforation with described second
Portion's electrical connection.
4. battery connecting piece as claimed in claim 3, which is characterized in that second series connection portion is metal ring；The gold
The center of circle for belonging to annulus is overlapped with the center of the bottom surface of the pcb board, and the exradius of the metal ring is less than or equal to institute
State the radius of the second battery.
5. battery connecting piece as described in claim 1, which is characterized in that the analog-U shaped elastic slice includes two symmetrically arranged
Card, two cards bend inwards.
6. battery connecting piece as claimed in claim 1 or 5, which is characterized in that the parallel connection portion is multiple, multiple parallel connections
Portion is equally spaced on the same circumference using the center of the top surface of the pcb board as the center of circle.
7. a kind of battery, which is characterized in that including battery body and such as the described in any item battery connections of claims 1 to 6
Part；One polarity ends of the battery body are equipped with the connection terminal matched with first series connection portion, the battery body
Another polarity ends be electrically connected with second series connection portion.
8. a kind of cell array, which is characterized in that including several batteries as claimed in claim 7；Several described batteries
It is connected in series.
9. cell array as claimed in claim 8, which is characterized in that the cell array further includes cell tube；It is several described
Battery be arranged in the cell tube, the cell tube be provided with the second perforation on each portion's corresponding position in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711095023.5A CN107910487B (en) | 2017-11-08 | 2017-11-08 | A kind of battery connecting piece, battery and cell array |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711095023.5A CN107910487B (en) | 2017-11-08 | 2017-11-08 | A kind of battery connecting piece, battery and cell array |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107910487A CN107910487A (en) | 2018-04-13 |
| CN107910487B true CN107910487B (en) | 2019-11-29 |
Family
ID=61843853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711095023.5A Active CN107910487B (en) | 2017-11-08 | 2017-11-08 | A kind of battery connecting piece, battery and cell array |
Country Status (1)
| Country | Link |
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| CN109461988A (en) * | 2018-10-29 | 2019-03-12 | 中山大学 | A kind of the air channel type heat elimination device and its control method of automobile power cell packet |
| CN109860451B (en) * | 2018-11-09 | 2020-10-23 | 中山大学 | Battery pack based on tubular column type battery pack unit |
| CN113745738A (en) * | 2021-09-08 | 2021-12-03 | 安徽瑞露科技有限公司 | Battery pack assembly structure |
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| CN102646803A (en) * | 2011-02-18 | 2012-08-22 | 三星Sdi株式会社 | Battery pack and manufacturing method thereof |
| CN203631653U (en) * | 2013-12-20 | 2014-06-04 | 普天新能源车辆技术有限公司 | Battery with automatic switch-off function |
| CN106229453A (en) * | 2016-09-20 | 2016-12-14 | 蔚来汽车有限公司 | Busbar assembly, electrokinetic cell overload protective device and method and power battery assembly |
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| JPH0963553A (en) * | 1995-08-22 | 1997-03-07 | Sanyo Electric Co Ltd | Battery pack |
| CN1507633A (en) * | 2001-05-08 | 2004-06-23 | ̩�Ƶ���������ѧ��ʽ���� | Circuit protection arrangement |
| CN102646803A (en) * | 2011-02-18 | 2012-08-22 | 三星Sdi株式会社 | Battery pack and manufacturing method thereof |
| CN203631653U (en) * | 2013-12-20 | 2014-06-04 | 普天新能源车辆技术有限公司 | Battery with automatic switch-off function |
| CN106229453A (en) * | 2016-09-20 | 2016-12-14 | 蔚来汽车有限公司 | Busbar assembly, electrokinetic cell overload protective device and method and power battery assembly |
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