CN206742462U - A kind of cylindrical battery cooling device using hot pipe technique - Google Patents
A kind of cylindrical battery cooling device using hot pipe technique Download PDFInfo
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- CN206742462U CN206742462U CN201720282978.0U CN201720282978U CN206742462U CN 206742462 U CN206742462 U CN 206742462U CN 201720282978 U CN201720282978 U CN 201720282978U CN 206742462 U CN206742462 U CN 206742462U
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- heat
- heat pipe
- cold drawing
- metallic plate
- battery
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a kind of cylindrical battery cooling device using hot pipe technique, includes the metallic plate of one piece of bending, carries above and the arc-shaped concave of cylindrical battery cooperation, heat pipe are arranged on a metal plate.The evaporator section of heat pipe is corresponded on metallic plate with the part of battery contact, the part that metallic plate and cold drawing contact corresponds to the condensation segment of heat pipe.Groove on metallic plate and cold drawing coordinates, and inserts cold drawing on the whole, metallic plate is inserted into the runner of cold drawing.Heat pipe evaporator section can absorb heat caused by battery, and transfer heat to condensation segment by medium realizes heat exchange with cold drawing, realizes the heat exchange of battery on the whole.The utility model has heat exchange efficiency height, compact-sized, the advantages that being easily installed, available for the protection of battery, lifts battery efficiency.
Description
Technical field
The utility model is a kind of cooling device for new energy car battery heat management system, can be achieved battery with
High efficient heat exchanging between cold drawing, cell safety is protected, improve battery operating efficiency.
Background technology
In electric automobile, electrokinetic cell is the energy-storage travelling wave tube of core, and the operating efficiency of battery directly influences vehicle
Distance travelled.Battery is in charge and discharge process, when it can export or input larger, the substantial amounts of heat in place can be discharged, if too late
When the temperature of battery is controlled, battery dieseling can be caused or even can be exploded.But traditional batteries of electric automobile
In heat management system, the cooling system of indirect cooling-type is usually using single aluminium sheet as battery cooling apparatus, heat exchange efficiency
It is not high, the problem of can not radiating in time be present.
Heat pipe be using medium hot junction evaporate after cold end condensation phase transition process (i.e. using liquid evaporation latent heat and
The latent heat of condensation), heat is quickly conducted.Heat pipe one end is evaporation ends, and other end is condensation end, when heat pipe one end is heated,
Liquid rapid vaporization in capillary, steam flows to other end under the power of thermal diffusion, and discharges heat in cold end condensation
Amount, liquid flow back to evaporation ends along porous material by capillarity again, and so circulation is more than, and until heat pipe both ends, temperature is equal.This
Kind circulation is quickly carried out, and heat, which can be conducted continuously, to be come.
Traditional battery cooling apparatus is improved using hot pipe technique, the heat exchange efficiency of battery cooling apparatus can be improved, is maintained
Battery operating temperature is in OK range, protection cell safety, lifting battery operating efficiency.
Utility model content
The utility model aims to solve the problem that the problem of common batteries cooling device exchange capability of heat deficiency, it is proposed that one kind application heat
The battery cooling apparatus scheme of Manifold technology.
A kind of cylindrical battery cooling device using hot pipe technique, it includes:Cold drawing, and it is curved on cold drawing
Bent metallic plate, there is the arc-shaped concave coordinated with cylindrical battery side on the metallic plate, form and cylindrical battery contact surface;
Heat pipe is arranged in metallic plate.
The heat pipe is divided into three parts:Evaporator section, adiabatic section, and condensation segment;Evaporator section is used to absorb heat, promotes heat
Pipe interior media evaporates, and after gaseous medium flows through adiabatic section, is condensed in condensation segment, is changed into liquid, discharges heat;Last condensation segment
Liquid flows back to evaporator section by capillary, and so far inside heat pipe realizes circulation.The heat that battery distributes enters after passing through metallic plate
Heat pipe, then absorbed by evaporator section.The condensation segment partial insertion cold drawing of heat pipe, is contacted, heat with the coolant in cold drawing runner
Release discharges the heat from battery into the coolant in cold drawing runner.Heat pipe is flattens heat pipe, and its flow channel shape is by straight line
Formed with circular arc;Spacing is to flatten the 1/10-1/20 of heat pipe width between heat pipe runner wall and circular arc heat-transfer surface.
The metallic plate is aluminium sheet, and cold drawing is inserted in bottom by groove, for discharging heat pipe internal heating amount;Insert the heat of cold drawing
Pipe portion is divided into the condensation segment of heat pipe;The top of heat pipe is corresponding with battery for evaporator section.There is coolant circulation in cold drawing runner,
Cold drawing is maintained at lower temperature for a long time.
The metallic plate longitudinal cross-section is isosceles trapezoid, and the ratio between the top margin length of isosceles trapezoid and bottom side length are 1.08-
1.12;Some elastic sheet metals, at least one end of elastic sheet metal are laterally or longitudinally set on each arc-shaped concave of metallic plate
It is fixedly connected with metal sheet surface, is fitted in the presence of elastic force with cylindrical battery surface.
The metallic plate includes one first metallic plate and two piece of second metallic plate, and the first metallic plate is fixed on two second metals
Among plate, wherein the first metallic plate thermal coefficient of expansion is far below the second metallic plate, pyroconductivity height is provided with the second metallic plate
In the first metallic plate and the heat conducting film of the second metallic plate, being shaped as heat conducting film is trapezoidal, and width is gradually reduced from top to bottom, thick
Degree is also gradually reduced;Second metallic plate thermal coefficient of expansion is higher than the first metallic plate.
Mounting means using the cylindrical battery cooling device of hot pipe technique is:It is solid that battery is initially mounted on cold drawing one
Positioning is put;Groove on metallic plate and cold drawing coordinates, overall to insert cold drawing so that cooling device connects with coolant in cold drawing runner
Touch;The fixed position of battery installation and grooved position so that battery side is brought into close contact with the arc-shaped concave on metallic plate.
The thickness of the aluminium sheet reduces according to processing technology, on the one hand can save the system of single battery cooling device as far as possible
Make cost, on the one hand can reduce battery cooling apparatus and take volume so that the heat exchange list being made up of battery and battery cooling apparatus
Meta structure is more compact.
The heat exchange unit quantity being made up of on the aluminium sheet battery and one section of circular arc does not limit, can be according to being actually needed
Match somebody with somebody.
The end of the heat pipe and the end of aluminium sheet coincide, and its is closed at both ends.
The evaporation segment length and cell height of the heat pipe are corresponding, can fully absorb heat caused by battery;Condensation segment
With aluminium sheet insertion cold drawing part it is corresponding, can fully absorb by cold drawing transmission Lai cold.Inside heat pipe evaporator section absorbs electricity
Pond heat, liquid medium evaporation, flows to condensation segment;Medium realizes and exchanged heat that the liquid formed after medium condensation passes through in condensation segment
Capillary flows back to evaporator section, and so far inside heat pipe forms a closed circulation, and high efficient heat exchanging can be achieved.
The utility model has the advantage that:
1st, it is high using the battery cooling apparatus heat exchange efficiency of hot pipe technique, can solve common cooling device and radiate not in time
Problem.
2nd, battery cooling apparatus can and battery be fitted close, take up space small, battery can be made closely to arrange.
3rd, battery cooling apparatus is simple in construction, is easy to dismount.
Brief description of the drawings
By reading the detailed description made with reference to the following drawings to non-limiting example, other spies of the present utility model
Sign, objects and advantages will become more apparent upon:
Fig. 1 is the schematic diagram of battery cooling apparatus provided by the utility model;
Fig. 2 is the sectional view of battery cooling apparatus heat pipe section provided by the utility model;
Fig. 3 is the scheme of installation of battery cooling apparatus provided by the utility model;
Fig. 4 is the schematic diagram of cold drawing provided by the utility model.
In figure:1- heat pipes;2- circular arc contact surfaces;3- evaporator sections;4- adiabatic sections;5- condensation segments;6- cooling devices with it is cold
But liquid contact surface;7- heat pipe runners;8- heat-transfer surfaces;9- metallic plates (aluminium sheet);10- batteries;11- cold drawings;12- cold drawing grooves;13-
Cold drawing runner.
Embodiment
The utility model is described in detail with reference to specific embodiment.Following examples will be helpful to this area
Technical staff further understands the utility model, but does not limit the utility model in any form.It should be pointed out that to ability
For the those of ordinary skill in domain, without departing from the concept of the premise utility, various modifications and improvements can be made.
These belong to the scope of protection of the utility model.
In battery (10) course of work, certain heat can be produced, heat by metallic plate and battery contact surface (2),
Into heat pipe evaporator section (3);The interior medium heat absorption of evaporator section (3) is evaporated, and steam flows through adiabatic section under pressure promotion in evaporation cavity
(4) after, into condensation segment (5);Condensation segment (5) correspond to the part of metallic plate insertion groove (12), directly be contacted with coolant;
The coolant of circulation to be maintained at lower temperature outside heat pipe condenser section (5) in cold drawing runner (13);Steam in heat pipe
After medium enters condensation segment (5), in condensation segment (5) gas-liquid interface condensing heat-exchange, heat has a common boundary via metallic plate and coolant
Face (6) is transferred to coolant, is taken out of by coolant.
Battery (10) is firstly fixed on the ad-hoc location on cold drawing, installs metallic plate again afterwards:Metallic plate (9) can be aluminium
Plate, cold drawing is inserted, is engaged with cold drawing groove (12).The position of groove (12) and the position of battery installation are engaged, and may be such that
Battery is in close contact with aluminium sheet (9), can the compact installation so that battery is tried one's best while realizing high efficient heat exchanging.
As the second embodiment of the application, in order to strengthen the heat transfer to heat pipe evaporator section and cause heat exchanger components and electricity
Pond is more bonded, and is improved on the basis of a upper embodiment, only describes itself and upper embodiment difference herein, identical
Part repeats no more.Metallic plate longitudinal cross-section is isosceles trapezoid, and the ratio between the top margin length of isosceles trapezoid and bottom side length are 1.08-
1.12;Some elastic sheet metals, at least one end and the metallic plate table of elastic sheet metal are set on each arc-shaped concave of metallic plate
Face is fixedly connected, and is fitted in the presence of elastic force with cylindrical battery surface.
As the 3rd embodiment of the application, metallic plate is arranged to longitudinal cross-section falling of being gradually reduced of width from top to bottom
It is trapezoidal, one end of a resilient blade, the other end connection of resilient blade are fixedly connected with the arc-shaped concave of aluminium sheet
One inverted V-shaped elastic spring, elastic spring contact with arc-shaped concave bottom;Metallic plate arc-shaped concave and resilient blade surface apply
One layer of heat conducting film is applied, being shaped as heat conducting film is trapezoidal, and width is gradually reduced from top to bottom, and thickness is also gradually reduced.When with
The aluminium sheet of resilient blade is fitted into array, due to the effect of elastic force so that elastic sheet metal can be close to battery
Surface, strengthen heat-transfer effect;Because the evaporator section of heat pipe is mainly used in absorbing heat, set on the surface directly contacted with battery
The higher heat conducting film of pyroconductivity, by the area and thickness that control the heat conducting film so that heat concentrates the evaporator section to heat pipe
Conducted, further improve heat exchange efficiency.
As the fourth embodiment of the application, metallic plate is arranged to bimetallic plates, it includes one first metallic plate and two
The metallic plate of block second, the first metallic plate are fixed among two second metallic plates, wherein the first metallic plate thermal coefficient of expansion is far below
Second metallic plate, be provided with the higher heat conducting film of pyroconductivity on the second metallic plate, being shaped as heat conducting film is trapezoidal, and on to
Lower width is gradually reduced, and thickness is also gradually reduced;Second metallic plate thermal coefficient of expansion is higher than the first metallic plate, in the process of heat transfer
In the second metallic plate thermal expansion can occur so that heat exchange surface is more bonded with battery surface.
Above-described embodiment is merely to illustrate technical solutions of the utility model, but it is not for limiting the utility model.
Any those skilled in the art are not being departed from spirit and scope of the present utility model, may be by the content pair of the disclosure above
The scheme that the utility model is proposed makes possible variation and modification, therefore, every without departing from technology of the present utility model
Hold, any simple modifications, equivalents, and modifications made according to the technical essence of the utility model to above example, belong to
In the scope of protection of the utility model.
Claims (9)
- A kind of 1. cylindrical battery cooling device using hot pipe technique, it is characterised in that including:Cold drawing, and installed in cold Crooked metal sheet on plate, there is the arc-shaped concave coordinated with cylindrical battery side on the metallic plate, form and cylindrical type electricity Pond contact surface;Heat pipe is arranged in metallic plate.
- 2. the cylindrical battery cooling device according to claim 1 using hot pipe technique, it is characterised in that:The heat pipe It is divided into three parts:Evaporator section, adiabatic section, and condensation segment;Evaporator section is used to absorb heat, promotes inside heat pipe medium to evaporate, After gaseous medium flows through adiabatic section, condensed in condensation segment, be changed into liquid, discharge heat;Last condensation segment liquid passes through capillary Evaporator section is flowed back to, so far inside heat pipe realizes circulation.
- 3. the cylindrical battery cooling device according to claim 2 using hot pipe technique, it is characterised in that:Battery distributes Heat pass through metallic plate after enter heat pipe, then absorbed by evaporator section.
- 4. the cylindrical battery cooling device according to claim 2 using hot pipe technique, it is characterised in that:The heat pipe Condensation segment partial insertion cold drawing, contacted with the coolant in cold drawing runner, heat is discharged into the coolant in cold drawing runner, Discharge the heat from battery.
- 5. the cylindrical battery cooling device according to claim 1 using hot pipe technique, it is characterised in that:The heat pipe To flatten heat pipe, its flow channel shape is made up of straight line and circular arc;Spacing is pressure between heat pipe runner wall and circular arc heat-transfer surface The 1/10-1/20 of flat heat pipe width.
- 6. the cylindrical battery cooling device according to claim 1 using hot pipe technique, it is characterised in that:The metal Plate is aluminium sheet, and cold drawing is inserted in bottom by groove, for discharging heat pipe internal heating amount;The heat pipe section for inserting cold drawing is the cold of heat pipe Solidifying section;The top of heat pipe is corresponding with battery for evaporator section.
- 7. the cylindrical battery cooling device according to claim 6 using hot pipe technique, it is characterised in that:Cold drawing runner Inside there is coolant circulation, cold drawing is maintained at lower temperature for a long time.
- 8. the cylindrical battery cooling device according to claim 1 using hot pipe technique, it is characterised in that:The metal Plate longitudinal cross-section is isosceles trapezoid, and the ratio between the top margin length of isosceles trapezoid and bottom side length are 1.08-1.12;Each arc of metallic plate Some elastic sheet metals are laterally or longitudinally set on shape concave surface, and at least one end of elastic sheet metal is fixed with metal sheet surface to be connected Connect, fitted in the presence of elastic force with cylindrical battery surface.
- 9. the cylindrical battery cooling device using hot pipe technique as described in claim any one of 1-8, it is characterised in that:Its Mounting means is:Battery is initially mounted on a fixed position on cold drawing;Groove on metallic plate and cold drawing coordinates, and overall insertion is cold Plate so that cooling device contacts with coolant in cold drawing runner;The fixed position of battery installation and grooved position so that battery side Face is brought into close contact with the arc-shaped concave on metallic plate.
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CN201720282978.0U CN206742462U (en) | 2017-03-22 | 2017-03-22 | A kind of cylindrical battery cooling device using hot pipe technique |
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Cited By (1)
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CN106876827A (en) * | 2017-03-22 | 2017-06-20 | 江苏中关村科技产业园节能环保研究有限公司 | A kind of cylindrical battery cooling device of application hot pipe technique |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106876827A (en) * | 2017-03-22 | 2017-06-20 | 江苏中关村科技产业园节能环保研究有限公司 | A kind of cylindrical battery cooling device of application hot pipe technique |
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