CN205811021U - A kind of thermal runaway self-shield electrokinetic cell system - Google Patents
A kind of thermal runaway self-shield electrokinetic cell system Download PDFInfo
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- CN205811021U CN205811021U CN201620630733.8U CN201620630733U CN205811021U CN 205811021 U CN205811021 U CN 205811021U CN 201620630733 U CN201620630733 U CN 201620630733U CN 205811021 U CN205811021 U CN 205811021U
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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
nullThe utility model discloses a kind of thermal runaway self-shield electrokinetic cell system，Including battery case、Battery module and controller，Battery module is arranged in battery case，Controller is fixedly installed on battery case outer wall，Heat abstractor it is provided with bottom battery case，Heat abstractor is radiator fan，Temperature sensor it is provided with inside battery case，Battery case outer wall is provided with annular cooling conduit，And the outer wall of annular cooling conduit is provided with quasiconductor heating element heater，Liquid circulation pump outside annular cooling conduit connection，Microprocessor it is provided with in controller、Temperature signal amplification module、Temperature control modules and alarm module，Microprocessor connects temperature control modules respectively、Alarm module、Quasiconductor heating element heater and radiator fan，Temperature sensor connects microprocessor by temperature signal amplification module，This utility model structural principle is simple，It is capable of the Based Intelligent Control to battery module temperature，Prevent extremes of temperature from battery performance is produced impact.
Description
Technical field
This utility model relates to electrokinetic cell field, is specially a kind of thermal runaway self-shield electrokinetic cell system.
Background technology
Along with the day by day exhausted of fossil energy and the raising day by day of environmental requirement, electric automobile and Development of HEV Technology
Demand is growing, and electronic/mixed dynamic new-energy automobile such as big bus and private car is the strangest.As new-energy automobile
Core component in field, battery technology be directly concern above-mentioned new-energy automobile whether can a great pass of popularization and application
Key technology.Till up to now, progressively occur in that numerous novel high-energy metric densities electricity such as LiFePO4, LiMn2O4, ternary material
Pond.Above-mentioned Novel power battery requires have energy density height, discharge-rate height, high-low temperature resistant environment, can bear in the application
Many technical characterstics such as repeat impact discharges, have extended cycle life.Wherein, the security performance of electrokinetic cell system is particularly important.Vertical
Seeing the new-energy automobile of lot of domestic and foreign model, the accidents such as combustion explosion all occurred repeatedly, the burning of electrokinetic cell system is quick-fried
Explode and be battery system thermal runaway as technical problem.The reason causing thermal runaway is numerous, including cell internal short-circuit, outward
Portion's short circuit, extrude, pierce through, the reason such as ambient temperature.Thermal runaway accident has become as a weight of restriction industry development
Big technical bottleneck, existing battery thermal management system intelligence degree is low, temperature signal collection not in time, inaccuracy, cause electricity
Cell system temperature control efficiency is poor.
Utility model content
The purpose of this utility model is to provide a kind of thermal runaway self-shield electrokinetic cell system, to solve above-mentioned background skill
The problem proposed in art.
For achieving the above object, this utility model provides following technical scheme: a kind of thermal runaway self-shield electrokinetic cell system
System, including battery case, battery module and controller, described battery module is arranged in battery case, and described controller is fixedly installed
Being provided with heat abstractor bottom battery case outer wall, described battery case, described heat abstractor is radiator fan, inside described battery case
Being provided with temperature sensor, described battery case outer wall is provided with annular cooling conduit, and the outer wall of described annular cooling conduit is provided with half
Conductor heating element heater, the liquid circulation pump outside the connection of described annular cooling conduit, it is provided with microprocessor, temperature in described controller
Signal amplification module, temperature control modules and alarm module, described microprocessor connects temperature control modules, warning mould respectively
Block, quasiconductor heating element heater, radiator fan, liquid circulation pump, described temperature sensor is connected by temperature signal amplification module
Microprocessor.
Preferably, described temperature signal amplification module includes operational amplifier, two-stage field effect broadband amplifier and grips
Streamline circle, an input of described operational amplifier connects resistance B one end and electric capacity B one end respectively, another termination of electric capacity B
Ground, the resistance B other end connects resistance A one end and electric capacity A one end respectively, the outfan of electric capacity A other end concatenation operation amplifier,
Another input of operational amplifier connects resistance C one end and resistance D one end respectively, resistance C other end ground connection, resistance D another
The outfan of end concatenation operation amplifier；First end of described two-stage field effect broadband amplifier connects electric capacity E one end, electric capacity E
Other end connection resistance F one end, the outfan of resistance F other end concatenation operation amplifier, two-stage field effect broadband amplifier
Second end connects electric capacity F one end, electric capacity G one end, electric capacity H one end respectively by choking-winding, and the electric capacity F other end, electric capacity G are another
One end, the equal ground connection of the electric capacity H other end, the 3rd end of two-stage field effect broadband amplifier is put by electric capacity D, resistance E concatenation operation
The outfan of big device, two-stage field effect broadband amplifier the 4th end ground connection.
Preferably, described temperature control modules includes the first relay, the second relay, interface, audion A, audion
B, described first relay one terminates power end, other end connecting triode A colelctor electrode, audion A grounded emitter, and base stage is led to
Cross resistance G connect microprocessor control end, the first normal open switch of described first relay connect respectively interface the first end and
Second end；Described second relay one terminates power end, other end connecting triode B colelctor electrode, audion B grounded emitter,
Base stage connects microprocessor by resistance H and controls end, and the second normal open switch of described second relay connects the of interface respectively
Three ends and the 4th end.
Preferably, the pad that Elastic heat insulation material is made it is also equipped with between described battery module and described battery case.
Compared with prior art, the beneficial effects of the utility model are:
(1) this utility model structural principle is simple, and temperature can be passed by the temperature signal amplification module used in controller
The temperature signal of the faint change of sensor collection is amplified, and the distortion factor is low, improves signals collecting efficiency, controller according to
The temperature gathered automatically controls heating and refrigeration, it is achieved the Based Intelligent Control to battery module temperature, prevents extremes of temperature
Battery performance is produced impact.
(2) temperature control modules that this utility model uses is capable of controlling the accurate of stack operating temperature, and one
Denier occurs when abnormal conditions are uncontrollable, it is possible to protection set of cells of cutting off the electricity supply immediately.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model；
Fig. 2 is controller control principle block diagram of the present utility model；
Fig. 3 is temperature signal amplification module schematic diagram of the present utility model；
Fig. 4 is temperature control modules schematic diagram of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under making creative work premise
The every other embodiment obtained, broadly falls into the scope of this utility model protection.
Referring to Fig. 1-4, this utility model provides a kind of technical scheme: a kind of thermal runaway self-shield electrokinetic cell system,
Including battery case 1, battery module 2 and controller 3, described battery module 2 is arranged in battery case 1, battery module 2 and described electricity
Being also equipped with the pad that Elastic heat insulation material is made between pond case 1, described controller 3 is fixedly installed on battery case 1 outer wall, described
Being provided with heat abstractor bottom battery case 1, described heat abstractor is radiator fan 4, and described battery case 1 is internal is provided with temperature sensor
5, described battery case 1 outer wall is provided with annular cooling conduit 6, and the outer wall of described annular cooling conduit 6 is provided with quasiconductor and heats unit
Part 7, described annular cooling conduit 6 connects the liquid circulation pump 8 of outside, is provided with microprocessor 9, temperature signal in described controller 3
Amplification module 10, temperature control modules 11 and alarm module 12, described microprocessor 9 connect respectively temperature control modules 11,
Alarm module 12, quasiconductor heating element heater 7, radiator fan 4, liquid circulation pump 8, temperature signal is passed through in described temperature sensor 5
Amplification module 10 connects microprocessor 9.
In the present embodiment, temperature signal amplification module 10 includes operational amplifier 11, two-stage field effect broadband amplifier 12
And choking-winding 13, an input of described operational amplifier 11 connects resistance B 2a one end and electric capacity B 2b mono-respectively
End, electric capacity B 2b other end ground connection, the resistance B 2a other end connects resistance A 1a one end and electric capacity A 1b one end, electric capacity A respectively
The outfan of 1b other end concatenation operation amplifier 11, another input of operational amplifier 11 connects resistance C 3a one end respectively
With resistance D 4a one end, resistance C 3a other end ground connection, the outfan of resistance D 4a other end concatenation operation amplifier 11；Described
First end 121 of two-stage field effect broadband amplifier 12 connects electric capacity E 5b one end, and the electric capacity E 5b other end connects resistance F 6a
One end, the outfan of resistance F 6a other end concatenation operation amplifier 11, the second end 122 of two-stage field effect broadband amplifier 12
Connected respectively by choking-winding 13 electric capacity F 6b one end, electric capacity G 7b one end, electric capacity H 8b one end, and electric capacity F 6b another
End, the electric capacity G 7b other end, the electric capacity H equal ground connection of the 8b other end, the 3rd end 123 of two-stage field effect broadband amplifier 12 passes through
Electric capacity D 4b, the outfan of resistance E 5a concatenation operation amplifier 11, two-stage field effect broadband amplifier 12 the 4th end 124 connects
Ground.Signal is processed by operational amplifier 11, it is ensured that the quality of transmission signal, and is amplified by signal message by feedback principle
2 times, pass to two-stage field effect broadband amplifier 12 below the most again and again signal is carried out secondary amplification, the most again will
Signal exports.
Operation principle: the temperature within temperature sensor Real-time Collection battery case, and entered by temperature signal amplification module
Row sends after amplifying to microprocessor processes, if the temperature gathered is higher than normal value, then the liquid outside microprocessor control follows
Ring pump work and radiator fan work, cooled liquid stream supercooling pipe, dispel the heat to battery case；If temperature is less than normal
Value, then microprocessor controls quasiconductor heating element heater and outside liquid circulating pump works simultaneously, and quasiconductor heating element heater is to flowing through
Liquid heat, it is possible to realize heating to battery case, it is ensured that battery module is operated in normal temperature this utility model knot
Structure principle is simple, and the temperature signal amplification module used in controller can be to the temperature of the faint change that temperature sensor gathers
Signal is amplified, and the distortion factor is low, improves signals collecting efficiency, and controller automatically controls heating according to the temperature gathered
And refrigeration, it is achieved the Based Intelligent Control to battery module temperature, prevent extremes of temperature from battery performance is produced impact.
It addition, in the present embodiment, temperature control modules 11 includes first relay the 14, second relay 15, interface 16, three
Pole pipe A 1c, audion B 2c, described first relay 14 1 termination power end, other end connecting triode A 1c colelctor electrode,
Audion A 1c grounded emitter, base stage connects microprocessor 9 by resistance G 7a and controls end, the of described first relay 14
One normal open switch 141 connects the first end 161 and the second end 162 of interface 16 respectively；Described second relay 15 1 termination power
End, other end connecting triode B 2c colelctor electrode, audion B 2c grounded emitter, base stage connects micro-process by resistance H 8a
Device 9 controls end, and the second normal open switch 152 of described second relay 15 connects the 3rd end 163 and the 4th end of interface 16 respectively
164, the temperature control modules that this utility model uses is capable of the accurate control to stack operating temperature, once occurs different
When reason condition is uncontrollable, it is possible to protection set of cells of cutting off the electricity supply immediately.
Embodiment the most of the present utility model, for the ordinary skill in the art,
It is appreciated that in the case of without departing from principle of the present utility model and spirit and these embodiments can be carried out multiple change, repair
Changing, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. a thermal runaway self-shield electrokinetic cell system, including battery case, battery module and controller, it is characterised in that: institute
Stating battery module to be arranged in battery case, described controller is fixedly installed on battery case outer wall, is provided with scattered bottom described battery case
Thermal, described heat abstractor is radiator fan, is provided with temperature sensor, described battery case outer wall sets inside described battery case
There is annular cooling conduit, and the outer wall of described annular cooling conduit is provided with quasiconductor heating element heater, outside described annular cooling conduit connects
The liquid circulation pump in portion, is provided with microprocessor, temperature signal amplification module, temperature control modules and warning in described controller
Module, described microprocessor connects temperature control modules respectively, alarm module, quasiconductor heating element heater, radiator fan, liquid follow
Ring pump, described temperature sensor connects microprocessor by temperature signal amplification module.
A kind of thermal runaway self-shield electrokinetic cell system the most according to claim 1, it is characterised in that: described temperature signal
Amplification module includes operational amplifier, two-stage field effect broadband amplifier and choking-winding, of described operational amplifier
Input connects resistance B one end and electric capacity B one end, electric capacity B other end ground connection respectively, and the resistance B other end connects resistance A mono-respectively
End and electric capacity A one end, the outfan of electric capacity A other end concatenation operation amplifier, another input of operational amplifier connects respectively
Connecting resistance C one end and resistance D one end, resistance C other end ground connection, the outfan of resistance D other end concatenation operation amplifier；Described
Two-stage field effect broadband amplifier first end connect electric capacity E one end, the electric capacity E other end connect resistance F one end, resistance F another
The outfan of end concatenation operation amplifier, the second end of two-stage field effect broadband amplifier connects electric capacity respectively by choking-winding
F one end, electric capacity G one end, electric capacity H one end, and the electric capacity F other end, the electric capacity G other end, the equal ground connection of the electric capacity H other end, two-stage field
3rd end of effect broadband amplifier passes through electric capacity D, the outfan of resistance E concatenation operation amplifier, and two-stage field effect broadband is put
Big device the 4th end ground connection.
A kind of thermal runaway self-shield electrokinetic cell system the most according to claim 1, it is characterised in that: described temperature controls
Module includes the first relay, the second relay, interface, audion A, audion B, described first relay one termination power
End, other end connecting triode A colelctor electrode, audion A grounded emitter, base stage connects microprocessor by resistance G and controls end,
First normal open switch of described first relay connects the first end and second end of interface respectively；Described second relay one terminates
Power end, other end connecting triode B colelctor electrode, audion B grounded emitter, base stage connects microprocessor control by resistance H
End processed, the second normal open switch of described second relay connects the 3rd end and the 4th end of interface respectively.
A kind of thermal runaway self-shield electrokinetic cell system the most according to claim 1, it is characterised in that: described battery module
And it is also equipped with the pad that Elastic heat insulation material is made between described battery case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620630733.8U CN205811021U (en) | 2016-06-24 | 2016-06-24 | A kind of thermal runaway self-shield electrokinetic cell system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620630733.8U CN205811021U (en) | 2016-06-24 | 2016-06-24 | A kind of thermal runaway self-shield electrokinetic cell system |
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| Publication Number | Publication Date |
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| CN205811021U true CN205811021U (en) | 2016-12-14 |
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| CN201620630733.8U Active CN205811021U (en) | 2016-06-24 | 2016-06-24 | A kind of thermal runaway self-shield electrokinetic cell system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107181021A (en) * | 2017-07-06 | 2017-09-19 | 谢路遥 | The heat abstractor of accumulator of electric car |
| CN107546604A (en) * | 2017-09-16 | 2018-01-05 | 郑州乐缘电子科技有限公司 | A kind of distribution box warm and humid supervising device in real time |
-
2016
- 2016-06-24 CN CN201620630733.8U patent/CN205811021U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107181021A (en) * | 2017-07-06 | 2017-09-19 | 谢路遥 | The heat abstractor of accumulator of electric car |
| CN107546604A (en) * | 2017-09-16 | 2018-01-05 | 郑州乐缘电子科技有限公司 | A kind of distribution box warm and humid supervising device in real time |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |