CN205724997U - A kind of battery bag and battery pack system - Google Patents
A kind of battery bag and battery pack system Download PDFInfo
- Publication number
- CN205724997U CN205724997U CN201620345997.9U CN201620345997U CN205724997U CN 205724997 U CN205724997 U CN 205724997U CN 201620345997 U CN201620345997 U CN 201620345997U CN 205724997 U CN205724997 U CN 205724997U
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- short circuit
- battery
- protection device
- circuit protection
- module
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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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Abstract
The utility model proposes a kind of battery bag and battery pack system, battery bag includes battery bag major loop short circuit protection device and multiple battery module；The series connection of multiple described battery modules forms series circuit, the outfan of described battery bag major loop short circuit protection device electrically connects with the input of described series circuit, the input of described battery bag major loop short circuit protection device is for electrically connecting with the first end of external motor controller, and the outfan of described series circuit is for electrically connecting with the second end of described external motor controller；Each described battery module includes battery module short circuit protection device and multiple cell module with battery cell, multiple described cell module parallel connections form parallel circuit, and described battery module short circuit protection device electrically connects with the input of described parallel circuit.The battery cell short circuit chain reaction that this utility model solves battery pack system level, module level rank is short-circuit and causes.
Description
Technical field
This utility model relates to field of batteries, particularly relates to a kind of battery bag and battery pack system.
Background technology
For the new-energy automobile based on electric drive, battery bag is a requisite core
Part, and the size of battery bag directly affects the performance of car load, particular for the pure electricity continuation of the journey of automobile
For mileage and comprehensive oil consumption performance, the size of battery bag is the most important.Have high-energy,
The battery bag of high power and these three performances of high voltage gradually obtains commonly used on new-energy automobile,
And this also means that the safety requirements to battery bag is more and more higher.
In prior art, although battery system can consider entire car controller VCU in design
(Vehicle control unit) and battery management system BMS (Battery management system)
Function, battery bag is carried out effectively active safety protection, also can consider on major loop design
Electric fuse carries out passive protection, but under the limit applying working condition that some is special, as abnormal touches
When hitting or extrude, the system-level of battery bag and module level short circuit cannot be carried out effectively by prior art
Security protection, the battery cell accident even exploded on fire caused because of short circuit still occurs now and then.
Therefore, need badly in the hardware designs of battery bag, be optimized design, and then promote the peace of battery bag
Full performance.
Utility model content
Based on problem above, the utility model proposes a kind of battery bag, short by battery bag major loop
Road preventer and multiple battery module；The series connection of multiple battery modules forms series circuit, battery bag
The outfan of major loop short circuit protection device electrically connects with the input of series circuit, and battery bag master return
The input of road short circuit protection device, for electrically connecting with the first end of external motor controller, is connected
The outfan of circuit is for electrically connecting with the second end of external motor controller；Each battery module bag
Include battery module short circuit protection device and multiple cell module with battery cell, Duo Ge electricity
Pond monomer wired in parallel forms parallel circuit, and battery module short circuit protection device is defeated with parallel circuit
The mode entering end electrical connection achieves the classified protection to battery bag, effectively solves battery bag system
Irrespective of size and the short circuit of module level rank and the battery cell short circuit chain reaction that causes.
On the one hand, the utility model proposes a kind of battery bag, including:
Battery bag major loop short circuit protection device and multiple battery module；
The series connection of multiple described battery modules forms series circuit, and described battery bag major loop short circuit is protected
The outfan of device electrically connects with the input of described series circuit, the short circuit of described battery bag major loop
The input of preventer is used for electrically connecting with the first end of external motor controller, described series electrical
The outfan on road is for electrically connecting with the second end of described external motor controller；
Each described battery module includes battery module short circuit protection device and multiple has battery cell
Cell module, multiple described cell module parallel connections formed parallel circuit, described battery
Module short circuit preventer electrically connects with the input of described parallel circuit.
Preferably, described cell module also includes the battery list electrically connected with described battery cell
Body short circuit protection device.
Preferably, described battery bag major loop short circuit protection device, described battery module short circuit protection
Device and battery cell short circuit protection device are fuse.
Preferably, described fuse includes: pull-out fuse, screw base fuse, closed
Fuse, fastp-acting fuse or self-mending fuse.
Preferably, the blowout current of described battery bag major loop short circuit protection device is less than described battery
The blowout current of module short circuit preventer；
The blowout current of described battery module short circuit protection device protects less than described battery cell short circuit
The blowout current of device.
On the other hand, the utility model proposes a kind of battery pack system, including battery bag and motor control
Device processed；
Described battery bag includes battery bag major loop short circuit protection device and multiple battery module；
The series connection of multiple described battery modules forms series circuit, and described battery bag major loop short circuit is protected
The outfan of device electrically connects with the input of described series circuit, the short circuit of described battery bag major loop
The input of preventer is used for electrically connecting with the first end of external motor controller, described series electrical
The outfan on road is for electrically connecting with the second end of described external motor controller；
Each described battery module includes battery module short circuit protection device and multiple has battery cell
Cell module, multiple described cell module parallel connections formed parallel circuit, described battery
Module short circuit preventer electrically connects with the input of described parallel circuit.
Preferably, described cell module also includes the battery list electrically connected with described battery cell
Body short circuit protection device.
Preferably, described battery bag major loop short circuit protection device, described battery module short circuit protection
Device and battery cell short circuit protection device are fuse.
Preferably, described fuse includes: pull-out fuse, screw base fuse, closed
Fuse, fastp-acting fuse or self-mending fuse.
Preferably, the blowout current of described battery bag major loop short circuit protection device is less than described battery
The blowout current of module short circuit preventer；
The blowout current of described battery module short circuit protection device protects less than described battery cell short circuit
The blowout current of device.
By using technique scheme, have the advantages that
Battery bag is by including battery bag major loop short circuit protection device and multiple battery module；Multiple
Battery module series connection forms series circuit, the outfan of battery bag major loop short circuit protection device and string
The input electrical connection of connection circuit, the input of battery bag major loop short circuit protection device is for outward
First end electrical connection of portion's electric machine controller, the outfan of series circuit is used for and external motor control
Second end electrical connection of device；Each battery module includes battery module short circuit protection device and multiple tool
Having the cell module of battery cell, multiple cell module parallel connections form parallel circuit, electricity
The mode that pond module short circuit preventer electrically connects with the input of parallel circuit, makes battery wrap in pole
The safety used under limit operating mode increases, and reduces the severe safety risk that short circuit causes, logical
Cross classified protection, effectively solve battery pack system level, the short circuit of module level rank and the electricity that causes
Pond monomer short circuit chain reaction.Meanwhile, when various potential artificial or non-artificial short-circuit risks occurs
Time, circuit can be cut off the most at short notice, stop the further deterioration of short circuit, even if electric
In the case of pond bag major loop short circuit protection device and battery module short circuit protection device lost efficacy simultaneously,
Battery cell short circuit protection device also can work, thus avoids causing more serious battery cell short
Road and cause a serious accident.
Accompanying drawing explanation
Fig. 1 is the module map of the battery bag according to one embodiment of this utility model；
Fig. 2 is the module map of the battery module in the battery bag according to one embodiment of this utility model.
Detailed description of the invention
Below in conjunction with specific embodiments and accompanying drawing, this utility model is further described in detail.
It is only intended to elaborate specific embodiments of the present utility model, does not produce this utility model
Any restriction, protection domain of the present utility model is as the criterion with claims.
See figures.1.and.2, the utility model proposes a kind of battery bag A, including:
Battery bag major loop short circuit protection device 10 and multiple battery module 20；Multiple battery modules
20 series connection form series circuit, the outfan 102 of battery bag major loop short circuit protection device 10 and string
The input 201 of connection circuit electrically connects, the input 101 of battery bag major loop short circuit protection device 10
Electrically connect for the first end 301 with external motor controller 30, the outfan 202 of series circuit
Electrically connect for the second end 302 with external motor controller 30；Each battery module 20 includes
Battery module short circuit protection device 203 and multiple cell module 204 with battery cell are many
The in parallel parallel circuit that formed of individual cell module 204, battery module short circuit protection device 203 with
The input 2031 of parallel circuit electrically connects.
When the leader cable B of external motor controller 30 internal short-circuit or battery bag A is short-circuited,
Now battery bag major loop short circuit protection device 10 can cut off the circuit of its position, to protect electricity
Pond module 20.If the shielding failure of battery bag major loop short circuit protection device 10, then now battery
Module short circuit preventer 203 can cut off the circuit of its position, to protect cell module
204.If the shielding failure of battery module short circuit protection device 203, then now battery cell short circuit
Preventer 2042 can cut off the circuit of its position, to protect battery cell 2043, to prevent
Battery cell 2043 explodes and causes accident.
When cable C is short-circuited, now battery module short circuit protection device 203 can cut off its institute
Circuit in position.If the shielding failure of battery module short circuit protection device 203, then now electricity
Pond monomer short circuit protection device 2042 can cut off the circuit of its position.
When cable D is short-circuited, now battery cell short circuit protection device 2042 can cut off its institute
Circuit in position.
Battery bag major loop short circuit protection device 10, battery module short circuit protection device 203 and battery
Monomer short circuit protection device 2042 is fuse, when by battery bag major loop short circuit protection device 10,
Electric current in battery module short circuit protection device 203 or battery cell short circuit protection device 2042 reaches
During its blowout current, then battery bag major loop short circuit protection device 10, battery module short circuit protection
Device 203 or battery cell short circuit protection device 2042 can fuse automatically, to switch himself place
Circuit.
Battery bag major loop short circuit protection device 10 and multiple battery module 20 is included by battery bag A；
The series connection of multiple battery modules 20 forms series circuit, battery bag major loop short circuit protection device 10
Outfan 102 electrically connects with the input 201 of series circuit, battery bag major loop short circuit protection dress
Put the input 101 of 10 to electrically connect for the first end 301 with external motor controller 30, string
The outfan 202 of connection circuit is for electrically connecting with the second end 302 of external motor controller 30；Often
Individual battery module 20 includes battery module short circuit protection device 203 and multiple electricity with battery cell
Pond monomer module 204, multiple cell module 204 are in parallel forms parallel circuit, and battery module is short
The mode that road preventer 203 electrically connects with the input 2031 of parallel circuit, makes battery bag A exist
The safety used under limiting condition increases, and reduces the severe safety risk that short circuit causes,
By classified protection, effectively solve battery pack system level, module level rank short circuit and cause
Battery cell short circuit chain reaction.Meanwhile, when various potential artificial or non-artificial short circuit wind occurs
During danger, circuit can be cut off the most at short notice, stop the further deterioration of short circuit, even if
Battery bag major loop short circuit protection device 10 and battery module short circuit protection device 203 lost efficacy simultaneously
In the case of, battery cell short circuit protection device 2042 also can work, thus avoids causing more serious
Battery cell short circuit and cause a serious accident.
In one of which embodiment, cell module 204 also includes and described battery cell
The battery cell short circuit protection device 2042 of 2043 electrical connections.Battery cell short circuit protection device 2042
For the preventer of battery cell rank, the afterbody as battery cell 2043 is protected, it
Ratio battery bag major loop short circuit protection device 10 and battery module short circuit protection that blowout current selects fill
Put 203 blowout current big.
In one of which embodiment, battery bag major loop short circuit protection device 10, battery module
Short circuit protection device 203 and battery cell short circuit protection device 2042 are fuse.Use fusing
Device is as short circuit protection device, as the electric current I 1 flowed through in battery bag major loop short circuit protection device 10
When reaching its blowout current, now flow through battery bag major loop short circuit protection device 10 automatically fuse with
Protection circuit.When the electric current I2 flowed through in battery module short circuit protection device 203 reaches its fusing electricity
During stream, now flow through battery module short circuit protection device 203 and automatically fuse with protection circuit.Work as stream
When electric current I 3 in battery cell short circuit protection device 2042 reaches its blowout current, now electricity
Pond monomer short circuit protection device 2042 fuses automatically with protection circuit.
In one of which embodiment, fuse includes: pull-out fuse, spirally fuse
Device, protected cut-out, fastp-acting fuse or self-mending fuse.
Pull-out fuse: it is usually used in 380V and the line end of following electric pressure, as joining
The short-circuit protection of electricity branch line or electrical equipment is used.
Screw base fuse a: blown fuse indicator, once melt fusing are stamped in the upper end on melt,
Indicator ejects at once, and the glass orifice that can pass through on porcelain cap is observed, it is usually used in machine tool electric gas control
In control equipment.Screw base fuse.Breaking current is relatively big, can be used for electric pressure 500V and with
Under, in the circuit of below current class 200A, make short-circuit protection.
Protected cut-out: protected cut-out divides filled fuse and non-filled fuse two kinds,
Filled fuse typically uses square porcelain tube, built-in quartz sand and melt, and breaking capacity is strong, is used for
Below electric pressure 500V, in the circuit of below current class 1KA.No-arbitrary pricing closed fuse
Being loaded by melt in closed cylinder, breaking capacity is slightly smaller, for below 500V, below 600A electricity
In power net or controller switching equipment.
Fastp-acting fuse: fastp-acting fuse is mainly used in the short of semiconductor rectifier cell or fairing
Road is protected.Owing to the overload capacity of semiconductor element is the lowest.Can only bear bigger in very short time
Overcurrent, therefore it is required that short-circuit protection has the ability of quick fuse.The knot of fastp-acting fuse
Structure and enclosed fuse of filleding and endcloseing cartridge fuse-link are essentially identical, but melt material is different with shape, and it is with silver
The variable cross-section melt having V-arrangement deep trouth of sheet punching.
Self-mending fuse: use metallic sodium to make melt, there is high conductivity at normal temperatures.Work as circuit
During the fault that is short-circuited, short circuit current produces high temperature makes sodium rapid vaporization, steam state sodium present high-impedance state,
Thus limit short circuit current.After short circuit current disappears, temperature declines, and metallic sodium recovers original
Excellent conductive performance.Self-mending fuse can only limiting short-circuit current, it is impossible to real disjunction circuit.
Its advantage is to change melt, can reuse.
In one of which embodiment, the blowout current of battery bag major loop short circuit protection device 10
Blowout current less than battery module short circuit protection device 203；Battery module short circuit protection device 203
Blowout current less than the blowout current of battery cell short circuit protection device 2042.By making battery bag
Major loop short circuit protection device 10, battery module short circuit protection device 203 and battery cell short circuit are anti-
The blowout current of protection unit 2042 increases step by step, thus is formed and successively protect, and protects to greatest extent
The safety of battery cell.
This utility model also proposes a kind of battery pack system, including battery bag A and electric machine controller 30；
Including battery bag major loop short circuit protection device 10 and multiple battery module 20；Multiple battery moulds
Block 20 series connection forms series circuit, the outfan 102 of battery bag major loop short circuit protection device 10
Electrically connect with the input 201 of series circuit, the input of battery bag major loop short circuit protection device 10
End 101 is used for electrically connecting with the first end 301 of external motor controller 30, the output of series circuit
End 202 is for electrically connecting with the second end 302 of external motor controller 30；Each battery module 20
Including battery module short circuit protection device 203 and multiple cell module with battery cell
204, multiple cell module 204 are in parallel forms parallel circuit, battery module short circuit protection device
203 electrically connect with the input 2031 of parallel circuit.
In one of which embodiment, cell module 204 also includes and described battery cell
The battery cell short circuit protection device 2042 of 2043 electrical connections.Battery cell short circuit protection device 2042
Afterbody as battery cell is protected, the ratio battery bag major loop that its blowout current is to be selected
The blowout current of short circuit protection device 10 and battery module short circuit protection device 203 is big.
In one of which embodiment, battery bag major loop short circuit protection device 10, battery module
Short circuit protection device 203 and battery cell short circuit protection device 2042 are fuse.Use fusing
Device is as short circuit protection device, as the electric current I 1 flowed through in battery bag major loop short circuit protection device 10
When reaching its blowout current, now flow through battery bag major loop short circuit protection device 10 automatically fuse with
Protection circuit.When the electric current I2 flowed through in battery module short circuit protection device 203 reaches its fusing electricity
During stream, now flow through battery module short circuit protection device 203 and automatically fuse with protection circuit.Work as stream
When electric current I 3 in battery cell short circuit protection device 2042 reaches its blowout current, now electricity
Pond monomer short circuit protection device 2042 fuses automatically with protection circuit.
In one of which embodiment, fuse includes: pull-out fuse, spirally fuse
Device, protected cut-out, fastp-acting fuse or self-mending fuse.
In one of which embodiment, the blowout current of battery bag major loop short circuit protection device 10
Blowout current less than battery module short circuit protection device 203；Battery module short circuit protection device 203
Blowout current less than the blowout current of battery cell short circuit protection device 2042.By making battery bag
Major loop short circuit protection device 10, battery module short circuit protection device 203 and battery cell short circuit are anti-
The blowout current of protection unit 2042 increases step by step, thus is formed and successively protect, and protects to greatest extent
The safety of battery cell.
Seeing figures.1.and.2, as most preferred embodiment of the present utility model, battery bag A includes battery
Bag major loop short circuit protection device 10 and multiple battery module 20；Multiple battery modules 20 are connected shape
Become series circuit, the outfan 102 of battery bag major loop short circuit protection device 10 and series circuit
Input 201 electrically connects, the input of battery bag major loop short circuit protection device 10 101 for
First end 301 of external motor controller 30 electrically connects, the outfan of series circuit 202 for
Second end 302 of external motor controller 30 electrically connects；Each battery module 20 includes battery mould
Block short circuit protection device 203 and multiple cell module 204 with battery cell, multiple batteries
Monomer module 204 parallel circuit that formed in parallel, battery module short circuit protection device 203 and electricity in parallel
The input 2031 on road electrically connects.Described cell module 204 also includes and described battery cell
The battery cell short circuit protection device 2042 of 2043 electrical connections.Battery bag major loop short circuit protection device
10, battery module short circuit protection device 203 and battery cell short circuit protection device 2042 are fusing
Device, wherein the blowout current of battery bag major loop short circuit protection device 10 is prevented less than battery module short circuit
The blowout current of protection unit 203；The blowout current of battery module short circuit protection device 203 is less than electricity
The blowout current of pond monomer short circuit protection device 2042.
Above-described is only principle of the present utility model and preferred embodiment.It is right to it should be pointed out that,
For those of ordinary skill in the art, on the basis of this utility model principle, it is also possible to do
Go out other modification some, also should be regarded as protection domain of the present utility model.
Claims (10)
1. a battery bag, it is characterised in that including:
Battery bag major loop short circuit protection device and multiple battery module；
The series connection of multiple described battery modules forms series circuit, and described battery bag major loop short circuit is protected
The outfan of device electrically connects with the input of described series circuit, the short circuit of described battery bag major loop
The input of preventer is used for electrically connecting with the first end of external motor controller, described series electrical
The outfan on road is for electrically connecting with the second end of described external motor controller；
Each described battery module includes battery module short circuit protection device and multiple has battery cell
Cell module, multiple described cell module parallel connections formed parallel circuit, described battery
Module short circuit preventer electrically connects with the input of described parallel circuit.
Battery bag the most according to claim 1, it is characterised in that:
Described cell module also includes that the battery cell short circuit electrically connected with described battery cell is prevented
Protection unit.
Battery bag the most according to claim 2, it is characterised in that:
Described battery bag major loop short circuit protection device, described battery module short circuit protection device and electricity
Pond monomer short circuit protection device is fuse.
Battery bag the most according to claim 3, it is characterised in that:
Described fuse includes: pull-out fuse, screw base fuse, protected cut-out,
Fastp-acting fuse or self-mending fuse.
5. according to the battery bag described in any one of claim 2-4, it is characterised in that:
The blowout current of described battery bag major loop short circuit protection device is less than the short circuit of described battery module
The blowout current of preventer；
The blowout current of described battery module short circuit protection device protects less than described battery cell short circuit
The blowout current of device.
6. a battery pack system, it is characterised in that include battery bag as claimed in claim 1,
Also include electric machine controller.
Battery pack system the most according to claim 6, it is characterised in that:
Described cell module also includes that the battery cell short circuit electrically connected with described battery cell is prevented
Protection unit.
Battery pack system the most according to claim 7, it is characterised in that:
Described battery bag major loop short circuit protection device, described battery module short circuit protection device and electricity
Pond monomer short circuit protection device is fuse.
Battery pack system the most according to claim 8, it is characterised in that:
Described fuse includes: pull-out fuse, screw base fuse, protected cut-out,
Fastp-acting fuse or self-mending fuse.
10. according to the battery pack system described in any one of claim 7-9, it is characterised in that: described
The blowout current of battery bag major loop short circuit protection device is less than described battery module short circuit protection device
Blowout current；
The blowout current of described battery module short circuit protection device protects less than described battery cell short circuit
The blowout current of device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620345997.9U CN205724997U (en) | 2016-04-22 | 2016-04-22 | A kind of battery bag and battery pack system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620345997.9U CN205724997U (en) | 2016-04-22 | 2016-04-22 | A kind of battery bag and battery pack system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205724997U true CN205724997U (en) | 2016-11-23 |
Family
ID=57295262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620345997.9U Active CN205724997U (en) | 2016-04-22 | 2016-04-22 | A kind of battery bag and battery pack system |
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| Country | Link |
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| CN (1) | CN205724997U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106784585A (en) * | 2016-12-13 | 2017-05-31 | 高玮 | A kind of controllable disconnection safeties |
| CN106784420A (en) * | 2016-12-26 | 2017-05-31 | 苏州奥杰汽车技术股份有限公司 | A kind of effective battery bag wire structures for reducing electromagnetic interference |
| CN106953125A (en) * | 2017-03-14 | 2017-07-14 | 深圳市海芝通电子股份有限公司 | The electric energy-storage system of lithium with function of safety protection |
| EP3933874A4 (en) * | 2019-02-26 | 2022-04-20 | Sanyo Electric Co., Ltd. | Power supply device |
-
2016
- 2016-04-22 CN CN201620345997.9U patent/CN205724997U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106784585A (en) * | 2016-12-13 | 2017-05-31 | 高玮 | A kind of controllable disconnection safeties |
| CN106784420A (en) * | 2016-12-26 | 2017-05-31 | 苏州奥杰汽车技术股份有限公司 | A kind of effective battery bag wire structures for reducing electromagnetic interference |
| CN106953125A (en) * | 2017-03-14 | 2017-07-14 | 深圳市海芝通电子股份有限公司 | The electric energy-storage system of lithium with function of safety protection |
| EP3933874A4 (en) * | 2019-02-26 | 2022-04-20 | Sanyo Electric Co., Ltd. | Power supply device |
| US11777182B2 (en) | 2019-02-26 | 2023-10-03 | Panasonic Energy Co., Ltd. | Power supply device |
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