CN209515946U - Electric automobile power battery heat management device suitable for extremely frigid zones - Google Patents

Electric automobile power battery heat management device suitable for extremely frigid zones Download PDF

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Publication number
CN209515946U
CN209515946U CN201920259716.1U CN201920259716U CN209515946U CN 209515946 U CN209515946 U CN 209515946U CN 201920259716 U CN201920259716 U CN 201920259716U CN 209515946 U CN209515946 U CN 209515946U
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battery
thermal
control processor
insulating body
cooling device
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CN201920259716.1U
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袁伟
鞠伟达
褚福建
赵泽鹏
方国云
汤勇
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South China University of Technology SCUT
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South China University of Technology SCUT
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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Abstract

The utility model discloses a kind of electric automobile power battery heat management device suitable for extremely frigid zones comprising thermal-insulating body, cooling device, battery temperature detecting element and control processor module;When in use, by battery arrangement to the intracorporal battery placement section of incubator, so that the endothermic section of cooling device and battery temperature detecting element are attached on battery;When operating, when the temperature of battery exceeds preset value, signal is passed to control processor module by battery temperature detecting element, then control processor module control cooling device begins to cool work, the endothermic section of cooling device is by heat absorption, and waste heat is passed into radiating part, then waste heat is vaporized the thermal-insulating body external world by radiating part;When battery temperature is lower than preset value, signal is passed to control processor module by battery temperature detecting element, and then control processor module control cooling device stops cooling work, then battery last generates heat, generated thermal accumlation is in thermal-insulating body.

Description

Electric automobile power battery heat management device suitable for extremely frigid zones
Technical field
The utility model relates to a kind of electric automobile power battery heat management devices suitable for extremely frigid zones.
Background technique
As energy crisis and environmental pollution are increasingly severe, electric car solves automobile exhaust pollution as a kind of at present The effective measure of problem is increasingly valued by people.However, power battery can generate greatly in high-power charge and discharge The heat of amount, if heat cannot scatter and disappear away as early as possible, it is easy to phenomena such as causing thermal runaway;In addition, battery is very quick to temperature Sense, excessively high too low temperature can all influence service life and the service performance of battery, or even will appear explosion on fire in extreme circumstances Equal major accidents.
Very big in some regional day and night temperatures, the temperature difference is also very big throughout the year, and the operating temperature of power battery harshness limits Electric car has been made in the popularization and use in this kind of area.Not occurring one kind also on the market at present, can either to control battery temperature anti- Only its is excessively high, and can play the heat management device of power battery of insulation effect at low temperatures.
Utility model content
The purpose of the utility model is to provide a kind of electric automobile power battery heat management device suitable for extremely frigid zones, Solve one or more of above-mentioned prior art problem.
One aspect according to the present utility model provides a kind of electric automobile power battery heat suitable for extremely frigid zones Managing device comprising thermal-insulating body, cooling device, battery temperature detecting element and control processor module;In thermal-insulating body Equipped with battery placement section, cooling device includes endothermic section and radiating part, and endothermic section is set on battery placement section, radiating part setting In the outside of thermal-insulating body;Battery temperature detecting element is connect with control processor modular telecommunications number, and cooling device is by control Manage the control of device module.
In this way, when in use, by battery arrangement to the intracorporal battery placement section of incubator, so that the endothermic section of cooling device It is attached on battery with battery temperature detecting element;When operating, when the temperature of battery exceeds preset value, battery temperature detecting element Signal is passed into control processor module, then control processor module control cooling device begins to cool work, cooling dress The endothermic section set passes to radiating part by heat absorption, and by waste heat, and then waste heat is vaporized the thermal-insulating body external world by radiating part, So that the temperature of battery is maintained at preset value.When battery temperature lower than preset value when (such as in the cold environment of plateau), Signal is passed to control processor module by battery temperature detecting element, and then control processor module control cooling device stops Cooling work, then battery last generates heat, generated thermal accumlation under the insulation effect of thermal-insulating body, is protected in thermal-insulating body The intracorporal constant temperature of incubator rises until reaching preset temperature value.The utility model, which can either control battery temperature, prevents its mistake Height, and battery temperature can be prevented too low.
In some embodiments, cooling device is water cooling module, and water cooling module includes water-cooled plate, water inlet pipe, outlet pipe And kinetic pump;Wherein, water-cooled plate is equipped with cold water chamber, water inlet pipe and outlet pipe respectively with cold water chamber, kinetic pump with into Water pipe connection, and kinetic pump is controlled by control processor module.
It in some embodiments, further include heat-pipe radiating apparatus, heat-pipe radiating apparatus includes hot end and cold end, and hot end is set It is placed in the inside of thermal-insulating body, cold end is set to the outside of thermal-insulating body.
It in some embodiments, further include phase transformation cooling module, when phase transformation cooling module is arranged on battery placement section.
In some embodiments, battery temperature detecting element is thermocouple temperature sensor.
Detailed description of the invention
Fig. 1 is that a kind of electric automobile power battery heat management suitable for extremely frigid zones of embodiment of the utility model fills The schematic diagram set;
Fig. 2 is the schematic cross-sectional view of structure shown in Fig. 1.
Drawing reference numeral:
1- battery, 2- heat-pipe radiating apparatus, 3- cooling device, 4- phase transformation cooling module, 5- thermal-insulating body
Specific embodiment
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
Fig. 1 schematically shows a kind of electric powered motor suitable for extremely frigid zones of embodiment of the utility model The structure of thermal management device of battery.
It as depicted in figs. 1 and 2, should include incubator suitable for the electric automobile power battery heat management device of extremely frigid zones Body 5, cooling device 3, battery temperature detecting element and control processor module;Battery placement section is equipped in thermal-insulating body 5, it is cooling Device 3 includes endothermic section and radiating part, and endothermic section is set on battery placement section, and the outside of thermal-insulating body 5 is arranged in radiating part; Battery temperature detecting element is connect with control processor modular telecommunications number, and cooling device 3 is controlled by control processor module.
Battery 1 is arranged to the battery placement section in thermal-insulating body 5, so that the suction of cooling device 3 by working principle and process Hot portion and battery temperature detecting element are attached on battery;When operating, when the temperature of battery 1 exceeds preset value, battery temperature inspection It surveys element and signal is passed into control processor module, then control processor module control cooling device 3 begins to cool work, The endothermic section of cooling device 3 passes to radiating part by heat absorption, and by waste heat, and then waste heat is vaporized incubator by radiating part Body 5 is extraneous, so that the temperature of battery 1 is maintained at preset value.When 1 temperature of battery is lower than preset value (such as in Plateau Cold In cold environment), signal is passed to control processor module by battery temperature detecting element, and then the control of control processor module is cold But device 3 stops cooling work, then thermal accumlation caused by 1 persistent fever of battery is in thermal-insulating body 5, in thermal-insulating body 5 Insulation effect under, constant temperature in thermal-insulating body 5 rises until reaching preset temperature value.The utility model can either control 1 temperature of battery is excessively high, and battery temperature can be prevented too low.
In detail, in the present embodiment, cooling device 3 is water cooling module, and water cooling module includes water-cooled plate, water inlet pipe, goes out Water pipe and kinetic pump;Wherein, water-cooled plate is equipped with cold water chamber, water inlet pipe and outlet pipe respectively with cold water chamber, kinetic pump It is connect with water inlet pipe, and kinetic pump is controlled by control processor module.In this way, control processor module can be by controlling power Water is pumped into the cold water cavity room of water-cooled plate by pump, and then waste heat is pumped out in the external world by water by outlet pipe;It is cold with water But medium, it is good using heat-transfer effect, fluid pressure loss is small, absorb the heat that battery is released.
It in the present embodiment, further include heat-pipe radiating apparatus 2, heat-pipe radiating apparatus 2 includes hot end and cold end, hot end setting In the inside of thermal-insulating body 5, cold end is set to the outside of thermal-insulating body 5.Specifically, heat-pipe radiating apparatus 2 is aluminium strip heat pipe, aluminium It being vacuumized using the metallic aluminium of low-density through extrusion forming with heat pipe shell, the processes such as liquid filling sealing are made, at The aluminium strip heat pipe thickness of type is only 1-2mm.Battery is close in heat pipe hot end, and cold end extends to the guarantor made of foamed material insulating layer Outside incubator body 5, wherein aluminium strip heat pipe is gravity assisted heat pipe, has unidirectional conductivity of heat, and after installation, the working medium in aluminium strip heat pipe is heated Vaporization, which rises, takes away heat, is formed and is recycled through gravity reflux after cooling.In addition, the cold end of aluminium strip heat pipe extends to foamed material guarantor Outside warm layer, it is connected with car body metal shell, forced air cooling heat dissipation is carried out by the windage that automobile generates during traveling.This Sample can further enhance battery heat-sinking capability.
It in the present embodiment, further include phase transformation cooling module 4, when phase transformation cooling module 4 is arranged on battery placement section.Tool Body, the constituent of the phase-change material inside phase transformation cooling module 4 is low melt point paraffin and expanded graphite.Wherein low melting point stone The fusing point of wax is 44-46 DEG C, and the adding proportion of the two is 70%-90%, 10%-30%.The two after magnetic agitation, paraffin with The expanded graphite of bulk multi-hole is sufficiently mixed, and can be improved its thermal conductivity and be kept certain shape when temperature is higher, no Generate leakage.In this way, phase transformation cooling module 4 can quickly move through its internal phase-change material and generate phase when battery-heating Become to absorb heat.
In the present embodiment, battery temperature detecting element is thermocouple temperature sensor.
The utility model compared with other thermal management device of batteries it is advantageous that: 1, ultrathin aluminum strip heat pipe have density The features such as low, small in size, high-efficient, will not make body quality excessive, meet efficient, light-weighted requirement while heat dissipation. 2, the series-parallel channel structure of single flow that water-cooled plate uses, good cooling results and the collocation use of aluminium strip heat pipe improve heat dissipation effect Rate.3, the application of composite phase-change material can be such that the rate of battery temperature raising and lowering reduces, and reduce thermal shock, improve temperature Uniformity.Meanwhile the thermal energy of phase-change material storage can keep battery modules temperature under following low temperature condition, reduce low temperature to battery The influence in service life, efficiency for charge-discharge.
Above-described is only a kind of embodiment of the utility model.For those of ordinary skill in the art, Without departing from the concept of the present invention, various modifications and improvements can be made, these belong to practical Novel protection scope.

Claims (5)

1. being suitable for the electric automobile power battery heat management device of extremely frigid zones, which is characterized in that including thermal-insulating body, cooling Device, battery temperature detecting element and control processor module;
Battery placement section is equipped in the thermal-insulating body, the cooling device includes endothermic section and radiating part, and the endothermic section is set It is placed on the battery placement section, the outside of thermal-insulating body is arranged in the radiating part;
The battery temperature detecting element is connect with the control processor modular telecommunications number, and the cooling device is by the control Processor module control.
2. the electric automobile power battery heat management device according to claim 1 suitable for extremely frigid zones, feature exist In the cooling device is water cooling module, and the water cooling module includes water-cooled plate, water inlet pipe, outlet pipe and kinetic pump;
Wherein, the water-cooled plate is equipped with cold water chamber, the water inlet pipe and the outlet pipe respectively with the cold water chamber, The kinetic pump is connect with water inlet pipe, and kinetic pump is controlled by the control processor module.
3. being filled described according to claim 1~any one of 2 suitable for the electric automobile power battery heat management of extremely frigid zones It sets, which is characterized in that further include heat-pipe radiating apparatus, the heat-pipe radiating apparatus includes hot end and cold end, the hot end setting In the inside of the thermal-insulating body, the cold end is set to the outside of thermal-insulating body.
4. the electric automobile power battery heat management device according to claim 3 suitable for extremely frigid zones, feature exist In, further include phase transformation cooling module, when the phase transformation cooling module be arranged on the battery placement section.
5. the electric automobile power battery heat management device according to claim 1 suitable for extremely frigid zones, feature exist In the battery temperature detecting element is thermocouple temperature sensor.
CN201920259716.1U 2019-03-01 2019-03-01 Electric automobile power battery heat management device suitable for extremely frigid zones Active CN209515946U (en)

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CN201920259716.1U CN209515946U (en) 2019-03-01 2019-03-01 Electric automobile power battery heat management device suitable for extremely frigid zones

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109841927A (en) * 2019-03-01 2019-06-04 华南理工大学 Electric automobile power battery heat management device suitable for extremely frigid zones

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109841927A (en) * 2019-03-01 2019-06-04 华南理工大学 Electric automobile power battery heat management device suitable for extremely frigid zones

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