CN206180051U - Battery heat managing system - Google Patents
Battery heat managing system Download PDFInfo
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- CN206180051U CN206180051U CN201621201015.5U CN201621201015U CN206180051U CN 206180051 U CN206180051 U CN 206180051U CN 201621201015 U CN201621201015 U CN 201621201015U CN 206180051 U CN206180051 U CN 206180051U
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- battery
- heating
- hollow structure
- thermocouple
- management system
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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
Abstract
The utility model provides a battery heat managing system, include: battery module comprises with the cellular heat conduction material hollow structure of regular hexagon a plurality of batteries, battery inscribe cover inlay in among the cellular heat conduction material hollow structure of regular hexagon, be provided with the passageway between the cellular heat conduction material hollow structure's of regular hexagon the adjacent hexagon, each passageway forms the route, has filled in the heat transferring medium in the route, the route links to each other with heating/cooling apparatus, be provided with the thermocouple on the route, heating/cooling apparatus the thermocouple respectively with the controller links to each other, according to the temperature of thermocouple feedback, controller control heating/cooling apparatus heats or cools off battery module. The application provides a battery heat managing system makes the battery have better security, and has improved battery operation 's stability.
Description
Technical field
The utility model is related to technical field of new energies, more particularly to a kind of battery thermal management system.
Background technology
In order to solve traditional energy consumption and air pollution problems inherent, new-energy automobile industry of having arisen at the historic moment.Due to policy
The acceptance level of support and masses to electric motor car, new-energy automobile is in the booming stage.Because yield and market account for
The safety problem for having the raising of rate, new-energy automobile also increasingly causes social concerns, especially in tesla's electric automobile spontaneous combustion
After event, the safety problem of new-energy automobile had once been brought to the teeth of the storm of public opinion.As the core technology of new-energy automobile,
The security of electrokinetic cell almost determines the car load safety of new-energy automobile, and can temperature be to affect electrokinetic cell stablize
The key point of operation.The electrokinetic cell of the current overwhelming majority is all lithium ion battery, because battery wants storage energy, in energy
During release, when cell heat is produced and accumulative speed is more than radiating rate, internal temperature of battery will be raised persistently.Group
Into the high activity positive electrode and electrolyte of lithium ion battery, it is very easy to that violent chemistry pair occurs instead under heating condition
Should, this reaction can produce substantial amounts of heat, even result in " thermal runaway ", and this is the main original for causing battery to have an accident
Cause.At this moment, efficient battery thermal management system for ensure cell safety, stable operation effect just highlighted.
The Chinese patent of Publication No. CN104600398A discloses a kind of cylindrical power battery heat based on microchannel
Managing device, the device, by cylindrical battery tight, easily deteriorates the heat aggregation of central area, cylindrical casing using sleeve pipe
Design be also doomed that excessive unserviceable space can be left in adjacent position, reduce space availability ratio；The design simultaneously exists
Again liquid reserve tank is respectively mounted with up and down, increased meaningless weight, and consider power electric in the case of natively having fluid course
Pond will be used in that automobile is this has to space and weight on the product of high requirement, and described device just seems not reasonable；Additionally, should
Device without heating function, this for the electric motor car that charge under cold environment in the winter time and travel, a undoubtedly design
Defect.
Utility model content
The technical problem that the utility model is solved is to provide a kind of battery thermal management system, the battery heat that the application is provided
Management system can improve the mechanical performance and security when battery is used, while ensureing that battery can be stablized in high and low temperature environment
Operation.
In view of this, this application provides a kind of battery thermal management system, including：Battery module, heating-cooling device, heat
Galvanic couple and controller；
If the battery module is made up of the cellular Heat Conduction Material hollow structure of dry cell and regular hexagon；In the battery
Cut set to be embedded in the cellular Heat Conduction Material hollow structure of the regular hexagon, the hollow knot of the cellular Heat Conduction Material of the regular hexagon
Passage is provided between the adjacent hexagons of structure, each passage forms path, heat transferring medium is filled with path；The path with plus
Apparatus for cooling is connected；
Thermocouple is provided with the path；The heating-cooling device, the thermocouple respectively with the controller phase
Even；
According to the temperature of thermocouple feedback, the controller controls the heating-cooling device to be carried out to battery module
Heating is cooled down.
Preferably, be provided with micropump on the path, the controller and the heating-cooling device respectively with it is described
Micropump is connected.
Preferably, the heat transferring medium is water glycol.
Preferably, the inner surface setting of the cellular Heat Conduction Material hollow structure of the regular hexagon has ceramic coating.
Preferably, cooling heat pipe and heating coil are provided with the heating and cooling system.
Preferably, the width of the passage is the 8%~12% of cell diameter, and maximum less than 4mm.
Preferably, the battery module is part connection or all connections.
Preferably, the material of the cellular Heat Conduction Material hollow structure of the regular hexagon is aluminum.
This application provides a kind of battery thermal management system, it includes：Battery module, heating-cooling device, thermocouple, control
Device processed and micropump；The battery thermal management system principal set up of the application battery module and heating-cooling device, wherein battery
If module is made up of the cellular Heat Conduction Material hollow structure of dry cell and regular hexagon；The battery inscribe set is embedded in described positive six
In the cellular Heat Conduction Material hollow structure of side shape, the adjacent hexagons of the cellular Heat Conduction Material hollow structure of the regular hexagon it
Between be provided with passage, each passage forms path, and heat transferring medium is filled with path；The path is connected with heating-cooling device.
The application is using the cellular Heat Conduction Material hollow structure inscribe fastening cylinder electricity of the regular hexagon for having the effect of liquid stream heat exchanger channels concurrently
Pond, reserved heat loss through radiation space while increase heat-conducting area, in addition orthohexagonal mechanical stability, can strengthen heat exchange effect
Protect battery to be difficult to be deformed while fruit, improve mechanical performance and security；Simultaneously heating-cooling device has concurrently and adds
Hot and cold but function, it is ensured that battery in high temperature low temperature environment can stable operation, cycle performance of battery is protected.In addition,
The detectable battery module heat exchange medium temperature of thermocouple and the temperature difference that the application is arranged, feedback control adjusts heating and cools down, intelligence
Energy and energy-conservation.
Description of the drawings
Fig. 1 is the structural representation of the utility model battery thermal management system；
Fig. 2 is simple for the single orthohexagonal structure of the cellular Heat Conduction Material hollow structure of the utility model regular hexagon
Figure.
Specific embodiment
For a further understanding of the utility model, the utility model preferred embodiment is retouched with reference to embodiment
State, but it is to be understood that these descriptions are simply to further illustrate feature and advantage of the present utility model, rather than to this practicality
The restriction of new claim.
The utility model embodiment discloses a kind of battery thermal management system, including：Battery module, heating-cooling device,
Thermocouple and controller；
If the battery module is made up of the cellular Heat Conduction Material hollow structure of dry cell and regular hexagon；In the battery
Cut set to be embedded in the cellular Heat Conduction Material hollow structure of the regular hexagon, the hollow knot of the cellular Heat Conduction Material of the regular hexagon
Passage is provided between the adjacent hexagons of structure, each passage forms path, heat transferring medium is filled with path；The path with plus
Apparatus for cooling is connected；
Thermocouple is provided with the path；The heating-cooling device, the thermocouple respectively with the controller phase
Even；
According to the temperature of thermocouple feedback, the controller controls the heating-cooling device to be carried out to battery module
Heating is cooled down.
As shown in figure 1, structural representations of the Fig. 1 for the utility model heat management system, 1 is cylindrical battery in figure, and 2 for just
Hexagonal honeycomb shape Heat Conduction Material hollow structure, 3 is thermocouple, and 4 is controller, and 5 is micropump, and 6 is heating-cooling device.
In the heat management system of the application, cylindrical battery is directed to, single cylindrical battery inscribe is embedded in positive six
In the cellular Heat Conduction Material hollow structure of side shape, a monomer module is constituted, but in practical application, according to the appearance of electric motor car
Amount demand, is not only a cylindrical battery but several, therefore some same monomer modules are seamlessly connected into composition battery
The battery of array, i.e. varying number can constitute different modules, and the hollow structure of these modules can be all connections,
This application can be had no particular limits with branch point connection；For above two connected mode, according to actual need
Selected, for example：Branch point connection, can mitigate the pressure of micropump, meanwhile, power consumption is reduced, it is also beneficial to flexibly tune
Save each array part；And all connect, can preferably ensure battery operated uniformity, improve stability.This
The material for applying for the cellular Heat Conduction Material hollow structure of the regular hexagon is preferably aluminum.The regular hexagon of the application is cellular
Heat Conduction Material hollow structure also has the effect of fixed protection battery, due to when the battery in electric motor car will bear running car
Vibrations, the extruding even having an accident when colliding, therefore orthohexagonal structure jolt for the mechanical protection of battery has very much
Necessity, orthohexagonal design feature determines that it has stronger structural stability, in addition the hardness of aluminium, all to battery
Security serves effect, and in addition relatively light aluminium also will not too increase complete vehicle weight.
As shown in Fig. 2 single orthohexagonal structure letters of the Fig. 2 for the cellular Heat Conduction Material hollow structure of regular hexagon
Figure, the wherein thickness of passage are 2A, and the thickness of herein described passage is preferably the 8%~12% of cell diameter, more preferably
10%, but it is most thick less than 4mm；The too little then heat transferring medium of the thickness of the passage is few, and liquid stream heat transfer effect is not good；Thickness is too
Greatly, then cause entire area excessive, space availability ratio is reduced.
Passage is provided between the adjacent hexagons of the cellular Heat Conduction Material hollow structure of herein described regular hexagon, institute
Passage is stated for liquid stream heat exchanger channels, each passage forms path, area battery array center region can be avoided to radiate not
The phenomenon for causing heat to be concentrated in time.Heat transferring medium, preferably water glycol are filled in the passage, the heat transferring medium has
Good mobility and stability, more than water boiling point but be difficult evaporation, the in addition larger heat exchange of regular hexagon alveolate texture
The stronger heat conductivility of area and aluminium, the heat management system is by the same stepping of the modes such as heat transfer, heat radiation and convection current
Capable heat exchange property is greatly enhanced.
Preferably, the inner surface setting of the cellular Heat Conduction Material hollow structure of the regular hexagon has ceramic painting
Layer, preferably Al2O3Ceramic coating, the ceramic coating has isolation concurrently while resistance to elevated temperatures is strengthened prevents battery from contacting
The effect of short circuit, liquid stream heat exchanger channels and safeguard protection are acted on integrated by it, and as far as possible by heat management system lightweight, function is integrated
Change, while heat exchange property is strengthened, improve the security that space availability ratio and battery are used.
Thermocouple is provided with herein described path, by the temperature of heat transferring medium in thermocouple monitoring battery module,
With the temperature for accurately heating-cooling device regulation and control battery module being controlled by controller, battery is set to adapt to the environment of high/low temperature.Make
For preferred version, the entrance point of the path is provided with the first thermocouple, and the port of export is provided with the second thermocouple, to examine respectively
Survey the temperature at lane entrance end and the port of export；The other end of first thermocouple and second thermocouple with controller
One end connects, to monitor the temperature of heat transferring medium, the temperature difference in passage.When detecting discharge-end temperature and being higher, thermocouple will
To controller, the cooling heat pipe that controller is just controlled in heating-cooling device starts refrigerating function to signal transmission, gives battery radiating；
In the same manner, when detecting discharge-end temperature and being relatively low, the heating coil in heating-cooling device will start heating function, be battery
Insulation.Further, since the cycle performance and stability of battery are more sensitive to temperature, the thermocouple installed by entrance end,
The temperature difference of entrance point and the port of export can be detected, may determine that whether the temperature of battery is stable according to the situation of change of the temperature difference, and
Accordingly adjusted by the feedback regulation effect of thermocouple.The feedback regulation effect of thermocouple is also embodied in when heating cooling dress
When putting work, once detecting entrance end temperature meets the optimum working temperature of battery, and tend towards stability, will be by this message
Controller is fed back to, so as to Based Intelligent Control heating-cooling device and the switch of micropump, power wastage is prevented effectively from.Therefore, heat
The design of galvanic couple feedback regulation, is easy to the reasonable controlling switch of controller, saves electric power, and this is to battery electric power as power source
It is very necessary for electric motor car.
Herein described heating-cooling device is heating-cooling device well known to those skilled in the art, example, described
Cooling heat pipe and heating coil are provided with heating-cooling device.Path in the heating-cooling device and the battery module
It is connection, so that heating-cooling device is heated or cooled the heat transferring medium in passage, heat transferring medium is in hollow structure passage
Heat is conducted to by battery by heat transfer during interior flowing so as to heat up when used in cold environment；Or absorb heat from battery
Amount so as to lower the temperature when used in hot environment.The application heating-cooling device has refrigeration and heating function concurrently so that battery can
To adapt to the working environment of high temperature, low temperature respectively, and safely and steadily run, improve weatherability.
Preferably, the application is additionally provided with micropump, and the micropump is arranged on the path, and the control
Device processed, the heating-cooling device are connected respectively with micropump；The setting of the micropump causes battery thermal management system to be changed into
Active system, performance is enhanced.
During actual use, electric automobile can experience different geographical, the temperature contrast caused by season, and install
In battery therein to there are certain requirements using temperature, the optimal use temperature of general electrokinetic cell is room temperature (25 ± 5 DEG C), when
Battery in the relatively low or higher environment, such as in the winter time in cold environment, some regional outdoor temperatures can as little as -20 DEG C or
Lower, at this moment the discharge performance of battery is substantially decayed, and appearance cannot charge, the low phenomenon of discharge capacity, cause vehicle to open
Move；It is long and during the broiling summer, the environment temperature that the temperature of the battery of dense arrangement in car body can be very higher than originally is higher
It is on fire easily to there is bulging in battery of the time under the high temperature, there is great potential safety hazard.Thus, the application is provided with heating
Cooling device, it has refrigeration and heating function concurrently.When battery is in winter cold environment, the temperature of thermocouple monitoring to battery
Degree is in reduced levels, will start heating coil by controller, by heating the heat transferring medium conduction heat in hollow structure
Measure to battery so as to which temperature is maintained at normal level；In the same manner, when battery is in summer hot environment, by cooling down heat pipe
Exchange thermal medium is lowered the temperature to radiate battery.
The battery heat-exchange system that the application is provided is provided with the hollow knot of the cellular aluminum of the excellent regular hexagon of heat transfer effect
Structure inscribe fastens cylindrical battery, constitutes a monomer module, and modular design enhances the flexibility of system and practicality, i.e.,
If damaging, also will not be one bad complete bad, install and replace also convenient；Simultaneously heat exchanger channels are integrated in one with secure component
Rise, one-object-many-purposes, this kind of design substantially increases space availability ratio and heat exchange efficiency.Additionally, regular hexagon structure and cylinder electricity
But also as the cushion space of battery, the excellent mechanical stability of regular hexagon buffers in addition in the space reserved after pond inscribe nesting
The double shield in space, improves the safety in utilization of battery, and structure function enhances the electricity with the ingenious combination of efficiency effect
The overall performance of pond heat management system.In addition, the ceramic coating of the application regular hexagon hollow structure inner surface setting is strengthening
While resistance to elevated temperatures, having isolation concurrently prevents the effect of battery contact short circuit；Thermocouple feedback regulation, auxiliary Intelligent adjustment adds
The hot and cold but open and close of function and flexibly switching.
For a further understanding of the utility model, with reference to the battery thermal management system that embodiment is provided the utility model
System is described in detail, and protection domain of the present utility model is not limited by the following examples.
Embodiment 1
A kind of battery thermal management system, including：Battery module, heating-cooling device, thermocouple, controller and micropump；
Battery module includes that the cellular aluminum hollow structure of regular hexagon is embedded in the battery of hollow structure with inscribe set；Regular hexagon honeycomb
Passage is provided between the adjacent regular hexagon of shape aluminum hollow structure, each passage is interconnected, constitutes path, filled in path
There is water glycol；The path is connected with the heating-cooling device；
The entrance point of the path is provided with the first thermocouple, and the port of export is provided with the second thermocouple；First thermoelectricity
Even, second thermocouple and the heating-cooling device are connected respectively with controller；According to first thermocouple and second
The temperature of thermocouple feedback, the controller controls the heating-cooling device and battery module is heated or is cooled down；Institute
State micropump to be arranged on the path, and be connected with heating-cooling device, controller；It is provided with heating-cooling device cold
But heat pipe and heating coil.The structural representation of above-mentioned battery thermal management system is as shown in Figure 1.
Embodiment 2
Example is a kind of to use the electric motor car capacity of 18650 type cylindrical batteries to be 60KWh, and peak power is 210KW, is thus set
The quantity of the cylindrical battery of the needs of meter about 5000, is formed by 12 Battery pack block coupled in series；Battery is assemblied in into battery thermal
In the hexagonal honeycomb shape aluminum hollow structure of reason system, the annexation of other parts is as shown in Figure 1；In cold winter,
Thermocouple detects the temperature of battery less than -20 DEG C, and now controller starts the heating coil of heating-cooling device, opens miniature
Pump, heat is conducted to battery by the heat transferring medium heated in aluminum hollow structure, and the temperature for making battery is held in 25 DEG C or so；
When battery is in summer hot environment, thermocouple detects the temperature of battery higher than 55 DEG C, and now controller startup heating is cold
But the cooling heat pipe of device, by cooling down heat pipe the temperature of heat transferring medium is reduced, and battery is radiated, and the temperature for making battery is protected
It is held in 25 DEG C or so.The battery thermal management system of the application can make heat exchange efficiency improve about 10.3%.
The explanation of above example is only intended to help and understands method of the present utility model and its core concept.Should refer to
Go out, for those skilled in the art, on the premise of without departing from the utility model principle, can also be to this
Utility model carries out some improvement and modification, and these are improved and modification also falls into the utility model scope of the claims
It is interior.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.Various modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can in other embodiments be realized in the case of without departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (8)
1. a kind of battery thermal management system, including：Battery module, heating-cooling device, thermocouple and controller；
If the battery module is made up of the cellular Heat Conduction Material hollow structure of dry cell and regular hexagon；The battery inscribe set
In being embedded in the cellular Heat Conduction Material hollow structure of the regular hexagon, the cellular Heat Conduction Material hollow structure of the regular hexagon
Passage is provided between adjacent hexagons, each passage forms path, heat transferring medium is filled with path；The path is cold with heating
But device is connected；
Thermocouple is provided with the path；The heating-cooling device, the thermocouple are connected respectively with the controller；
According to the temperature of thermocouple feedback, the controller controls the heating-cooling device and battery module is heated
Or cooling.
2. battery thermal management system according to claim 1, it is characterised in that micropump, institute are provided with the path
State controller and the heating-cooling device is connected respectively with the micropump.
3. battery thermal management system according to claim 2, it is characterised in that the heat transferring medium is water glycol.
4. battery thermal management system according to claim 1, it is characterised in that the cellular Heat Conduction Material of the regular hexagon
The inner surface setting of hollow structure has ceramic coating.
5. battery thermal management system according to claim 1, it is characterised in that be provided with the heating and cooling system cold
But heat pipe and heating coil.
6. battery thermal management system according to claim 1, it is characterised in that the width of the passage is cell diameter
8%~12%, and it is maximum less than 4mm.
7. battery thermal management system according to claim 1, it is characterised in that the battery module is part connection or complete
Portion connects.
8. battery thermal management system according to claim 1, it is characterised in that the cellular Heat Conduction Material of the regular hexagon
The material of hollow structure is aluminum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621201015.5U CN206180051U (en) | 2016-11-07 | 2016-11-07 | Battery heat managing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621201015.5U CN206180051U (en) | 2016-11-07 | 2016-11-07 | Battery heat managing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206180051U true CN206180051U (en) | 2017-05-17 |
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ID=58682223
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621201015.5U Active CN206180051U (en) | 2016-11-07 | 2016-11-07 | Battery heat managing system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106374163A (en) * | 2016-11-07 | 2017-02-01 | 珠海格力电器股份有限公司 | Thermal management system for batteries |
| CN113178642A (en) * | 2021-03-03 | 2021-07-27 | 安徽力普拉斯电源技术有限公司 | Freezing-resistant power battery |
-
2016
- 2016-11-07 CN CN201621201015.5U patent/CN206180051U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106374163A (en) * | 2016-11-07 | 2017-02-01 | 珠海格力电器股份有限公司 | Thermal management system for batteries |
| CN113178642A (en) * | 2021-03-03 | 2021-07-27 | 安徽力普拉斯电源技术有限公司 | Freezing-resistant power battery |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20171226 Address after: 519070 Guangdong city of Zhuhai Province Qianshan Co-patentee after: ZHUHAI GREE ENERGY ENVIRONMENTAL TECHNOLOGY Co.,Ltd. Patentee after: GREE ELECTRIC APPLIANCES Inc. OF ZHUHAI Address before: 519070 Guangdong city of Zhuhai Province Qianshan Patentee before: GREE ELECTRIC APPLIANCES Inc. OF ZHUHAI |
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| TR01 | Transfer of patent right |