CN107221727A - A kind of lithium ion battery phase change radiator structure of round-the-clock electric automobile - Google Patents
A kind of lithium ion battery phase change radiator structure of round-the-clock electric automobile Download PDFInfo
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- CN107221727A CN107221727A CN201710452813.8A CN201710452813A CN107221727A CN 107221727 A CN107221727 A CN 107221727A CN 201710452813 A CN201710452813 A CN 201710452813A CN 107221727 A CN107221727 A CN 107221727A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
- H01M10/6557—Solid parts with flow channel passages or pipes for heat exchange arranged between the cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6569—Fluids undergoing a liquid-gas phase change or transition, e.g. evaporation or condensation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Chemical Kinetics & Catalysis (AREA)
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- General Chemical & Material Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
- Life Sciences & Earth Sciences (AREA)
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Abstract
The invention discloses a kind of lithium ion battery phase change radiator structure of round-the-clock electric automobile, it is characterised in that：The main battery separator (4) that main Li-ion batteries piles and upper surface insertion liquid-sucking core are embedded in by lower surface, the thermal component composition on battery separator (4) is arranged on, and is arranged on battery separator (4) and is embedded in battery bottom plate (5) composition of secondary Li-ion batteries piles.The present invention is not only simple in structure, and it is with low cost, pair Li-ion batteries piles can be used to be powered for electric automobile when environment temperature is too low, secondary Li-ion batteries piles are as boosting battery work and can preheat the main Li-ion batteries piles on battery separator, main Li-ion batteries piles can be used to power when environment temperature is suitable, can fast and effeciently it be radiated by thermal component simultaneously, it is more safe and reliable when being powered using lithium ion battery for electric automobile so as to can ensure that, and the service life of lithium ion battery can be greatly enhanced, therefore be adapted to promote the use of.
Description
Technical field
The present invention relates to a kind of radiator structure, more particularly to a kind of lithium ion battery phase-change heat of round-the-clock electric automobile
Structure.
Background technology
For a long time, electric automobile has the advantages such as environmental protection and energy saving as a kind of new energy vehicles, but never
Method shakes the status of conventional fossil fuel automobile, and main cause is that the battery of electric automobile, one be battery charging
Efficiency, one be battery service life.With the development for filling technology soon now, it will be dashed forward for the bottleneck of battery charge efficiency
It is broken, but the research for battery is central still in progress.The reason for influence battery, there is two, and one is electricity
The attribute of pond in itself, two be the working environment of battery.In general, the working environment of batteries of electric automobile is exactly mainly battery work
Operating temperature when making, the operating temperature of battery is very big for the influence of lithium ion battery service life.
Temperature can cause lithium ion battery various aspects of performance all can be by certain influence, including inside battery electricity when too high
Chemical reaction, efficiency for charge-discharge, power output, capacity holding and stability etc..If temperature continues to increase to over safe handling
Limitation scope will explode, and then influence whether vehicle performance, reliability and the security of electric automobile.Research shows,
Under 45 DEG C of working environments, during the cycle-index reduction about 60%, especially big multiplying power discharging of lithium battery, temperature often raises 5 DEG C, battery
Life-span will reduce 50%, and if using rational thermal management technology to it, the performance of battery pack can improve 30%~
40%.
And temperature it is too low equally also influence lithium ion battery service behaviour.In order to understand shadow of the low temperature for lithium battery
Ring, first have to analyze the structure of lithium battery.The basic structure of lithium battery is exactly the electrolysis of positive and negative polarities and centre in simple terms
Liquid, electric charge with chemical reaction migration and fill up the electrical potential difference for allowing battery to realize both positive and negative polarity, then just generate electric current, then
Electric current drive motor is so as to allow electric automobile to run.The electrolyte used in lithium battery used in electric automobile is that one kind has
Machine liquid, can become sticky or even condense at low temperatures.Now, the activity of conductive lithium salts inside is limited significantly
System, such words charge efficiency is very low, so that lithium battery can be caused to charge at low temperature slowly, is not fully filled, right at low temperatures
Lithium ion battery charges, can be in galvanic anode surface precipitating metal lithium, and this process is irreversible.Battery can thus be made
Into permanent damage, the security of battery is reduced.So many lithium battery equipment have protection device so that at low temperatures without
Method charges.Electric discharge is also such.Only can temporary influence in the case that short time uses at low ambient temperatures, or temperature is not low enough
The battery capacity of lithium ion battery, but not cause permanent injury.But if for a long time used in low temperature environment, or
In -40 DEG C of ultra-low temperature surroundings, lithium ion battery may cause permanent damage by " freezing ".
The content of the invention
Environment temperature is too high or too low all during it is an object of the invention to overcome electric automobile to be powered using lithium ion battery
The defect of the service life of battery will be had a strong impact on can select using secondary Li-ion batteries piles work there is provided one kind when temperature is too low
Make and preheat main Li-ion batteries piles, and can fast and effeciently be dissipated when the work of main Li-ion batteries piles produces substantial amounts of heat
Heat, so as to the lithium ion battery phase-change heat knot of the round-the-clock electric automobile of the service life that is greatly enhanced lithium ion battery
Structure.
The purpose of the present invention is achieved through the following technical solutions：
A kind of lithium ion battery phase change radiator structure of round-the-clock electric automobile, is mainly embedded in main lithium-ion electric by lower surface
The battery separator of pond group and upper surface insertion liquid-sucking core, is arranged on the thermal component composition on battery separator, and be arranged on electricity
On the dividing plate of pond and embedded secondary Li-ion batteries piles battery bottom plate composition.
Further, the thermal component includes being arranged on the upper lid on the upside of battery separator, is arranged on the left of battery separator
And the left side cooling cylinder being connected is covered with upper, and be arranged on the right side of heat-dissipating main and cover the right side cooling cylinder being connected with upper.
Further, the lower surface of the battery separator is provided with the battery bag for being used to install lithium ion battery bag and installed
Groove, the upper surface of the battery separator is provided with the liquid-sucking core mounting groove for being used for installing liquid-sucking core；The upper lid and left side cooling cylinder
And the radiating cavity being connected with liquid-sucking core mounting groove is formed between the cooling cylinder of right side.
Further, the width of the battery bag mounting groove is more than the width of liquid-sucking core mounting groove, and battery bag is installed
Groove is located between two liquid-sucking core mounting grooves.
The left side cooling cylinder is with being equipped with the condensation chamber being connected with liquid-sucking core mounting groove, the electricity on the cooling cylinder of right side
Pond dividing plate is provided with the battery bag mounting groove baffle plate for separating battery bag mounting groove and condensation chamber.
For the ease of radiating, it is described it is upper lid include be arranged on left side cooling cylinder and right side cooling cylinder between and positioned at battery every
Upper base plate above plate, the upper lid side of two for being separately positioned on base plate front and rear sides and being connected with battery separator
Plate；It is formed with two between lid side plate and upper base plate and condenses air cavity and right side condensation air cavity and imbibition with left side respectively
The heat dissipation cavity that core mounting groove is connected.
In order to which the present invention is better achieved, be arranged at intervals with described two on lid side plate it is multiple with upper base plate phase
The upper lid dividing plate of connection, the length of the upper lid dividing plate is less than the distance between two upper lid side plates.
In order to ensure effect, the battery bottom plate is provided with secondary cell group mounting groove, and the detachable peace of the battery bottom plate
Mounted in the downside of battery separator.
The present invention compared with the prior art, with advantages below and beneficial effect：
(1) present invention is not only simple in structure, and with low cost, and when environment temperature is too low, selection is used on battery bottom plate
Embedded secondary Li-ion batteries piles are powered for electric automobile, and secondary Li-ion batteries piles are used as boosting battery work and the pre- thermal cell of energy
Main Li-ion batteries piles on dividing plate, may be selected to make when environment temperature reaches the operating temperature requirements of main Li-ion batteries piles
Powered with main Li-ion batteries piles, and then can be by being arranged on battery when the work of main Li-ion batteries piles produces substantial amounts of heat
Thermal component on dividing plate fast and effeciently radiates, so as to can ensure that when being powered using lithium ion battery for electric automobile more
It is safe and reliable, and the service life of lithium ion battery can be greatly enhanced.
(2) battery separator of the invention can separate lithium ion battery bag and heat eliminating medium, therefore, it is possible to ensure this hair
Bright uses safety.
(3) upper lid of the invention is connected with being formed between left side cooling cylinder and right side cooling cylinder with liquid-sucking core mounting groove
Logical radiating cavity, can facilitate and be radiated during being circulated after working medium heat absorption vaporization in radiating cavity.
(4) width of battery bag mounting groove of the invention is more than the width of liquid-sucking core mounting groove, and battery bag mounting groove position
Between two liquid-sucking core mounting grooves, lithium ion battery bag is arranged in battery bag mounting groove when using, liquid-sucking core is installed
In liquid-sucking core mounting groove, and by working medium absorption on liquid-sucking core, so that one carrying lithium ion battery bag of battery separator formation
With the carrier of heat eliminating medium；Meanwhile, can limited space mounting sufficient amount lithium ion battery bag, so as to effective saving
Space.
(5) left side cooling cylinder of the invention is with being equipped with the condensation being connected with liquid-sucking core mounting groove on the cooling cylinder of right side
Chamber, can be easy to gas working medium being condensed into liquid and adsorb again on liquid-sucking core, then continue to absorb heat by liquid working substance
Measure and take away heat after vaporizing, so as to form a phase transformation circulation；And battery separator provided with separate battery bag mounting groove with it is cold
The battery bag mounting groove baffle plate of solidifying chamber, then can prevent from being condensed into the working medium of liquid in condensation chamber into damage in battery bag mounting groove
Bad lithium ion battery bag, so as to improve the security when present invention is used.
(6) upper lid of the invention includes upper base plate and two upper lid side plates, on two lid side plate and upper base plate it
Between be formed with and condense air cavity and right side condensation air cavity and the heat dissipation cavity that is connected of liquid-sucking core mounting groove with left side respectively, can be easy to
Radiated after liquid working substance heat absorption evaporation in liquid-sucking core into heat dissipation cavity.
(7) it is arranged at intervals with multiple upper lid dividing plates being connected with upper base plate on upper lid side plate of the invention, and on
The length of lid dividing plate is less than the distance between two upper lid side plates, and from left to right curved can be then formed in whole heat dissipation cavity
Gas working medium in heat dissipation cavity, can be inducted into by flow-guiding channel that is bent and being connected with condensation chamber by this flow-guiding channel
Condensed in condensation chamber；The road that the gas working medium in heat dissipation cavity enters condensation chamber is greatly extended due to the flow-guiding channel
Footpath, then gas working medium by flow-guiding channel enter condensation chamber during can be radiated.
(8) battery bottom plate of the invention is provided with secondary cell group mounting groove, convenient that secondary Li-ion batteries piles are arranged on into pair
In battery pack mounting groove；The battery bottom plate is removably mounted to the downside of battery separator, on the one hand encapsulation can be easy to be arranged on
In battery bag mounting groove and constitute multiple lithium ion battery bags of main Li-ion batteries piles, and change battery after can conveniently dismantling
Bag；On the other hand it can also be easy to use secondary Li-ion batteries piles to preheat main Li-ion batteries piles during low-temperature environment.
Brief description of the drawings
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is the structural representation of the battery separator of the present invention.
Fig. 3 is the cross-sectional view of the battery separator of the present invention.
Fig. 4 is the structural representation of the upper lid of the present invention.
Fig. 5 is separately mounted to the structural representation on battery separator for the upper lid of the present invention with battery bottom plate.
Fig. 6 is the structural representation of the left side cooling cylinder of the present invention,
Fig. 7 is the structural representation of the battery bottom plate of the present invention.
Wherein, description of reference numerals is：
1-left side cooling cylinder, 2-upper lid, 21-upper base plate, 22-upper lid side plate, 23-upper lid dividing plate, 3-right side
Cooling cylinder, 4-battery separator, 5-battery bottom plate, 6-liquid-sucking core mounting groove, 7-battery bag mounting groove baffle plate, 8-battery bag
Mounting groove, 9-heat dissipation cavity, 10-condensation chamber, 11-secondary cell group mounting groove.
Embodiment
The present invention is described in further detail with reference to embodiment, but embodiments of the present invention are not limited to
This.
Embodiment
As shown in Fig. 1~7, the lithium ion battery phase change radiator structure of round-the-clock electric automobile of the invention, mainly by electricity
Pond dividing plate 4 and the thermal component being arranged on battery separator 4, and the battery bottom plate 5 being arranged on battery separator 4 are constituted.Institute
State the lower surface insertion lithium ion battery bag of battery separator 4, its upper surface insertion liquid-sucking core.The lithium ion battery job contract of the present invention
As when produce heat, and conduct heat to by battery separator 4 condensation Jie being provided with liquid-sucking core, liquid-sucking core for radiating
Matter, the present invention is used as cooling medium using working medium.It is liquid condition under working medium normal temperature, and adsorbs in liquid-sucking core, works as liquid-sucking core
When receiving the heat that the lithium ion battery bag conducted by battery separator 4 is distributed, working medium is brought into by thermal evaporation, and by heat
Radiated in thermal component.
Meanwhile, the lower surface of the battery separator 4 is provided with the battery bag mounting groove for being used for installing main Li-ion batteries piles
8, and the upper surface of the battery separator 4 is provided with the liquid-sucking core mounting groove 6 for being used for installing liquid-sucking core, as shown in Figure 3.The imbibition
Core mounting groove 6 be provided with it is multiple, and the liquid-sucking core mounting groove 6 run through battery separator 4 left and right side, the battery bag mounting groove
8 be also configured as it is multiple, for the ease of in the lithium ion battery bag of limited space mounting sufficient amount, the battery bag mounting groove 8
Width is more than the width of liquid-sucking core mounting groove 6.Multiple lithium ion battery bags in battery bag mounting groove 8 are to constitute this
The main Li-ion batteries piles of invention, the main Li-ion batteries piles are used as the main power source powered for electric automobile.The battery bag
Mounting groove 8 is located between two liquid-sucking core mounting grooves 6, and the side wall of the battery bag mounting groove 8 is the side of liquid-sucking core mounting groove 6
Wall, space can effectively be saved by being arranged such.Lithium ion battery bag is arranged in battery bag mounting groove 8 when using, by imbibition
Core be arranged on liquid-sucking core mounting groove 6, and by working medium absorption on liquid-sucking core so that battery separator 4 formation one carrying lithium from
The carrier of sub- battery bag and heat eliminating medium.The battery separator 4 is made using the good material of heat conductivility, then can be in lithium ion
The heat of lithium ion battery bag is conducted to liquid-sucking core during battery bag operational heat, working medium receives the heat of liquid-sucking core absorption
After be evaporated to gas, you can radiated.
Radiated for the ease of Working medium gas, the thermal component includes the upper lid 2 for being arranged on the upside of battery separator 4, sets
Left side condensation chamber 1 on the left of battery separator and and be arranged on the right side condensation chamber 3 on the right side of battery separator 4, as shown in Figure 1.Institute
State lid 2 to be located between the left side condensation chamber 1 and right side condensation chamber 3, the right side condensation chamber 3 and the structure of left side condensation chamber 1
Identical, what the upper lid 4 was connected with being formed between left side cooling cylinder 1 and right side cooling cylinder 3 with liquid-sucking core mounting groove 6 dissipates
Hot cavity, gas working medium can evaporate into radiating cavity from the liquid-sucking core in liquid-sucking core mounting groove 6, so that by lithium ion battery
The come out heat of bag is taken away, you can reach the purpose of radiating.
Specifically, the upper lid 2 includes upper base plate 21 and is arranged on the upper lid side plate 22 of the front and rear sides of base plate 21,
As shown in Figure 4.The upper base plate 21 is arranged between left side cooling cylinder 1 and right side cooling cylinder 3 and positioned at the upper of battery separator 4
Side, described two upper lid side plates 22 are connected to the front and rear sides of battery separator 4.The height of the upper lid side plate 22 is more than upper
The thickness of base plate 21, heat dissipation cavity 9 is formed with this two between lid side plate 22 and upper base plate 21, and the heat dissipation cavity 9 is with inhaling
Wick-containing mounting groove 6 is connected, and is evaporated to gas as shown in figure 5, working medium is heated and can evaporate into heat dissipation cavity 9.
For the ease of gas working medium is condensed into liquid and adsorbed again on liquid-sucking core, then continued by liquid working substance
Absorb heat and take away heat after vaporizing, so as to be formed on a phase transformation circulation, the left side cooling cylinder 1 and right side cooling cylinder 3
The condensation chamber 10 being connected with liquid-sucking core mounting groove 6 is equipped with, as shown in Figure 6.Meanwhile, the battery separator 4 is provided with separation
The battery bag mounting groove baffle plate 7 of battery bag mounting groove 8 and condensation chamber 10, as shown in Fig. 2 cold in condensation chamber 10 so as to prevent
The working medium coagulated for liquid, which enters, damages lithium ion battery bag in battery bag mounting groove 8, so as to improve the peace when present invention is used
Quan Xing.
Because the lithium ion battery bag positioned at the middle part of battery separator 4 compares concentration, the heat that it is distributed is also more, i.e. battery
The temperature at the middle part of dividing plate 4 will be above the temperature at its two ends, and volatile quantity of the liquid working substance at the middle part of battery separator 4 also will be greater than it
The volatile quantity at two ends, becomes gas and directly rises and enter in heat dissipation cavity 9, then heat dissipation cavity 9 is positioned at it after liquid working substance vaporization
The Working medium gas density at middle part also will be greater than the density at its two ends, and in the condensation chamber 10 of the left and right ends of battery separator 4
Temperature then than relatively low.Condensed and liquefied for the ease of the Working medium gas in heat dissipation cavity 9 is inducted into condensation chamber 10,
Multiple upper lid dividing plates 23 are arranged at intervals with described two upper lid side plates 22, as shown in Figure 4.
Specifically, the upper lid dividing plate 23 is set in parallel in heat dissipation cavity 9 from left to right, on this lid dividing plate 23 with upper lid
Bottom plate 21 is connected, and length of lid dividing plate 23 is less than the distance between two upper lid side plates 22 on this, two neighboring upper lid every
Plate 23 is connected on two last side plates 22, then can form a guide passage between lid dividing plate 23 on two neighboring,
And a flow-guiding channel that is bending and being connected with condensation chamber 10 from left to right can be then formed in whole heat dissipation cavity 9, lead to
Cross this flow-guiding channel and the gas working medium in heat dissipation cavity 9 can be inducted into condensation chamber 10 and condensed.The upper lid 2 and a left side
Side cooling cylinder 1 is made with right side cooling cylinder 3 using the good material of heat dispersion, because flow-guiding channel greatly extends
Gas working medium in heat dissipation cavity 9 enters the path of condensation chamber 10, then gas working medium is entering condensation chamber 10 by flow-guiding channel
During can be by upper lid 2 by heat derives, so as to be radiated.When in the condensation chamber 10 that gas working medium enters low temperature environment
It can be liquefied as liquid, gas working medium the distributed heat that liquefies can then be led by left side cooling cylinder 1 with right side cooling cylinder 3
Go out.Liquid-sucking core is sucked liquefaction in condensation chamber 10 in liquid-sucking core for the working medium of liquid using capillary force, then liquid working substance will again
It is secondary absorb the heat that is distributed of lithium ion battery bag and vaporization after take away heat, you can form a phase transformation circulation.
Because heat dissipation cavity 9 and condensation chamber 10 and liquid-sucking core mounting groove 6 are collectively forming the cavity of a closing, in order to ensure
Working medium effectively can be evaporated and be condensed in the cavity, and vacuum or negative pressure state can will be set in the cavity during implementation.
During implementation, liquid-sucking core can use cellular liquid sucting core structure, ensure the backflow efficiency of the liquid working substance in condensation chamber 10 with this.
For the ease of installing secondary Li-ion batteries piles, the battery bottom plate 5 is provided with secondary cell group mounting groove 11, such as Fig. 7
Shown, secondary Li-ion batteries piles can be arranged in secondary cell group mounting groove 11.The secondary Li-ion batteries piles are used as electronic vapour
The accessory power supply of car, is the main Li-ion batteries piles of protection when environment temperature is too low, you can use the accessory power supply.The present invention's
Secondary cell group mounting groove 11 is arranged on the upper surface of battery bottom plate 5, and the secondary cell group installs 11 and the phase of battery bag mounting groove 8
Connection, and the battery bottom plate 5 is removably mounted to the downside of battery separator 4.On the one hand be arranged such can be easy to encapsulation to install
In battery bag mounting groove 8 and constitute multiple lithium ion battery bags of main Li-ion batteries piles, and change electricity after can conveniently dismantling
Chi Bao；On the other hand it can also be easy to use secondary Li-ion batteries piles energy rapidly pre-warming main lithium ion battery during low-temperature environment
Group, enables main Li-ion batteries piles to be rapidly achieved environment temperature and be powered for electric automobile.
As described above, the present invention just can be implemented well.
Claims (8)
1. a kind of lithium ion battery phase change radiator structure of round-the-clock electric automobile, it is characterised in that：Mainly it is embedded in by lower surface
The battery separator (4) of main Li-ion batteries piles and upper surface insertion liquid-sucking core, is arranged on the thermal component group on battery separator (4)
Into, and it is arranged on battery separator (4) and is embedded in battery bottom plate (5) composition of secondary Li-ion batteries piles.
2. a kind of lithium ion battery phase change radiator structure of round-the-clock electric automobile according to claim 1, its feature exists
In：The thermal component includes being arranged on upper lid (2) on the upside of battery separator (4), be arranged on the left of battery separator (4) and with it is upper
The left side cooling cylinder (1) that lid (2) is connected, and the right side for being arranged on the right side of heat-dissipating main (4) and being connected with upper lid (2) are cold
Solidifying case (3).
3. a kind of lithium ion battery phase change radiator structure of round-the-clock electric automobile according to claim 2, its feature exists
In：The lower surface of the battery separator (4) is provided with the battery bag mounting groove (8) for being used for installing lithium ion battery bag, the battery
The upper surface of dividing plate (4) is provided with the liquid-sucking core mounting groove (6) for being used for installing liquid-sucking core；The upper lid (4) and left side cooling cylinder
(1) the radiating cavity being connected with liquid-sucking core mounting groove (6) and is formed between right side cooling cylinder (3).
4. a kind of lithium ion battery phase change radiator structure of round-the-clock electric automobile according to claim 3, its feature exists
In：The width of the battery bag mounting groove (8) is more than the width of liquid-sucking core mounting groove (6), and battery bag mounting groove (8) is located at two
Between individual liquid-sucking core mounting groove (6).
5. a kind of lithium ion battery phase change radiator structure of round-the-clock electric automobile according to claim 3 or 4, its feature
It is：The left side cooling cylinder (1) is with being equipped with the condensation chamber being connected with liquid-sucking core mounting groove (6) on right side cooling cylinder (3)
(10), the battery separator (4) is provided with the battery bag mounting groove baffle plate for separating battery bag mounting groove (8) and condensation chamber (10)
(7)。
6. a kind of lithium ion battery phase change radiator structure of round-the-clock electric automobile according to claim 5, its feature exists
In：The upper lid (2) includes being arranged between left side cooling cylinder (1) and right side cooling cylinder (3) and above battery separator (4)
Upper base plate (21), on two for being separately positioned on base plate (21) front and rear sides and being connected with battery separator (4)
Lid side plate (22)；Be formed with two between lid side plate (22) and upper base plate (21) respectively with left side condensation air cavity (1) and
The heat dissipation cavity (9) that right side condensation air cavity (3) and liquid-sucking core mounting groove (6) are connected.
7. a kind of lithium ion battery phase change radiator structure of round-the-clock electric automobile according to claim 6, its feature exists
In：Multiple upper lid dividing plates being connected with upper base plate (21) are arranged at intervals with lid side plate (22) on described two
(23), the length of the upper lid dividing plate (23) is less than the distance between two upper lid side plates (22).
8. a kind of lithium ion battery phase change radiator structure of round-the-clock electric automobile according to any one of Claims 1 to 4,
It is characterized in that：The battery bottom plate (5) is provided with secondary cell group mounting groove (11), and the detachable peace of battery bottom plate (5)
Downside mounted in battery separator (4).
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| CN201710452813.8A CN107221727B (en) | 2017-06-15 | 2017-06-15 | All-weather electric automobile's lithium ion battery phase transition heat radiation structure |
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| CN201710452813.8A CN107221727B (en) | 2017-06-15 | 2017-06-15 | All-weather electric automobile's lithium ion battery phase transition heat radiation structure |
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| CN107221727B CN107221727B (en) | 2023-04-25 |
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| CN107221727B (en) | 2023-04-25 |
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