CN106197091A - All-aluminium type plate type heat exchanger is used in heat generating member cooling on electric vehicle - Google Patents
All-aluminium type plate type heat exchanger is used in heat generating member cooling on electric vehicle Download PDFInfo
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- CN106197091A CN106197091A CN201610705009.1A CN201610705009A CN106197091A CN 106197091 A CN106197091 A CN 106197091A CN 201610705009 A CN201610705009 A CN 201610705009A CN 106197091 A CN106197091 A CN 106197091A
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- plate
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- heat exchange
- hot fluid
- heat exchanger
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
- F28D9/0037—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the conduits for the other heat-exchange medium also being formed by paired plates touching each other
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/02—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/084—Heat exchange elements made from metals or metal alloys from aluminium or aluminium alloys
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
- F28F9/262—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators for radiators
- F28F9/268—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators for radiators by permanent joints, e.g. by welding
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
All-aluminium type plate type heat exchanger is used in heat generating member cooling on electric vehicle, for integral braze-welded structure, including rear and front end plate, several pieces heat exchange plates of being arranged between two end plates；Be separately installed with cold flow body entrance sleeve and hot fluid outlet ports adapter in corner apertures position, two, front end-plate top, corner apertures position, two, bottom is separately installed with cold fluid outlet adapter and hot fluid entrance sleeve；Hold in the mouth successively before and after the opening excessively of four positions on heat exchange plate and form cold fluid inlet channel, hot fluid output channel, cold outlet fluid and hot fluid input channel respectively；Folder chamber within heat exchanger forms the hot fluid flow passage chamber and chamber, cold fluid flow road being alternately arranged successively；Projection corresponding to arranging on the two panels heat exchange plate in chamber, each cold fluid flow road is respectively formed at cold fluid flow road intracavity and to contact one by one, and soldering connects, make cold fluid flow road intracavity form a plurality of cold fluid flow circulation passage, and make hot fluid flow passage chamber be respectively formed integral passage cavity configuration.This heat exchanger light weight, heat exchange efficiency are high.
Description
Technical field
The invention belongs to electric vehicle engineering field, particularly to the heat generating member cooling all-aluminium type on a kind of electric vehicle
Plate type heat exchanger.
Background technology
In automotive field, the most common electric vehicle mainly has electric household automobile and electric bus.At these
There is more heat generating member, such as battery bag on electric vehicle is maximum heat generating member, for heat generating member, in the mistake of work
Journey needs lower the temperature timely and effectively.At present, the mode typically using liquid-liquid heat exchange or solution-air heat exchange for heat generating member is carried out
Cooling, wherein on cooling loop, the parts of most critical are heat exchanger, and heat exchanger generally uses industrial plate type heat exchanger
Between structure, i.e. plate, sealing gasket is set, is sealed by sealing gasket, existing plate type heat exchanger apply exist on vehicle with
The deficiency of lower several respects:
1, the plate type heat exchanger material of prior art is predominantly: austenitic stainless steel, titanium or titanium alloy, nickel and nickel alloy,
Copper etc. four class flat cold-rolled sheet, the density of above material is big, and quality is overweight, is unfavorable for vehicle lightweight.
2, the quality of materials of existing plate type heat exchanger is big, causes its thermal capacity relatively big, have impact on its heat exchange property, and heat exchange is imitated
Rate needs to be improved further.
3, herringbone corrugated structure, so, the flow resistance of the runner of formation are generally used on the plate of existing plate type heat exchanger
Greatly.
4, being connected and sealed by sealing gasket between the plate of existing plate type heat exchanger, sealing is poor, it is easy to produces and lets out
Leakage, voltage endurance capability is relatively low, typically about 1MPa, and temperature resistant capability is limited by gasket material.
5, the plate of existing plate type heat exchanger be the positive and negative both sides of symmetrical expression sheet structure, i.e. plate corrugation geometry and
Physical dimension is just the same, and the characteristic of the runner that these pattern piece both sides are formed is consistent, and the plate type heat exchanger of this type can be described as
Symmetric form plate type heat exchanger.Symmetric form plate type heat exchanger is relatively applicable to symmetric form fluid and carries out heat exchange, concrete, cold and hot fluid
Mass flowrate ratio (or the ratio of mass flowrate and specific heat capacity at constant pressure product, or Temperature Difference Ratio) roughly equal, or ratio 0.7 to
In the range of 1.5, otherwise when design calculates, often there are such two kinds of unmatched situations:
1) the flow velocity difference of cold and hot fluid is bigger；Low flow velocity lateral pressure fall is too small, it usually needs series connection, causes heat-transfer surface
Long-pending excessive, i.e. " pressure drop control design case "；
2) meeting pressure at both sides fall when requiring, heat exchange area is the least, and heat output is not enough, i.e. " thermal management design ".
On vehicle in actual application, the thermal characteristics of cold and hot fluid and pressure drop requirements often and differ, and are " non-
Symmetrical heat exchanging fluid ", the heat transfer property of its hot and cold both sides cannot meet requirement simultaneously, or the pressure drop allowed can not be fully sharp
With, thus cause the meaningless increase of heat exchange volume, on the one hand add the cost of heat exchanger, on the other hand cause the wave of interior space
Take.
Summary of the invention
The present invention solves technical problem present in known technology and provide that a kind of light weight, heat waste be little, heat exchange
Efficiency height, good airproof performance, pressure high-temp resistant are good, and the heat generating member cooling that can realize on the electric vehicle of heat exchanger volume miniaturization is used
All-aluminium type plate type heat exchanger.
The present invention solves that technical problem is adopted the technical scheme that present in known technology:
All-aluminium type plate type heat exchanger is used in heat generating member cooling on electric vehicle, be arranged in parallel with front end-plate including front end-plate
End plate, several pieces heat exchange plates of being arranged between the plate of rear and front end, front end-plate and between heat exchange plate foremost,
Between adjacent heat exchange plate and end plate and be respectively formed the folder chamber peripherally sealed between the heat exchange plate of rearmost end, its
It is characterised by: front end-plate, end plate, several pieces heat exchange plates are made by aluminum alloy materials, and are formed whole by the way of soldering
Body connects；On front end-plate, the position near four corners is respectively provided with a corner apertures, and superposed two corner apertures positions are respectively
Cold flow body entrance sleeve and hot fluid outlet ports adapter are installed, are positioned at two corner apertures positions of bottom and are separately installed with cold flow body and go out
Mouth adapter and hot fluid entrance sleeve；Position corresponding with four corner apertures on front end-plate on every heat exchange plate was equipped with
Opening, the rank successively of crossing before and after opening of correspondence position forms flow channels, and crossing of connect with cold flow body entrance sleeve is circulated
Road is cold fluid inlet channel, and the flow channels connected with cold fluid outlet adapter is cold outlet fluid, enters with hot fluid
The flow channels of mouth adapter connection is hot fluid input channel, and the flow channels connected with hot fluid outlet ports adapter is that hot fluid is defeated
Go out passage；Heat exchange plate makes the folder chamber within heat exchanger form the hot-fluid being alternately arranged successively by crossing the cooperation at opening position
Body flow passage chamber and chamber, cold fluid flow road, hot fluid flow passage chamber connection hot fluid input channel and hot fluid output channel, cold flow body
Flow passage chamber connects cold fluid inlet channel and cold outlet fluid；Every heat exchange plate is all covered with projection, protruding towards
Corresponding side, chamber, cold fluid flow road, the adjacent projection on two panels heat exchange plate is that specular is arranged, corresponding to each cold flow
Projection on the two panels heat exchange plate of body flow passage chamber is respectively formed at cold fluid flow road intracavity and contacts one by one, and soldering connects, and makes phase
Cold fluid flow road intracavity is answered to lead in the cold fluid flow forming a plurality of tortuous extension from top to bottom along the width of heat exchange plate
Passage, and hot fluid flow passage chamber the most adjacent before and after making is respectively formed two sides and sets dimpled integral passage cavity configuration.
Preferred: the protruding degree of depth being arranged on heat exchange plate takes 1mm～8mm, the hot fluid stream of heat exchange plate both sides
The fluid flow that cavity and cold fluid flow road intracavity produce is 1.5 times～6 times.
Preferred: cold flow body entrance sleeve and cold fluid outlet adapter are arranged on the side of front end-plate, and hot fluid import connects
Pipe and hot fluid outlet ports adapter are arranged on the opposite side of front end-plate.
Preferred: every superposed two of heat exchange plate crosses openings and between two mistake openings of bottom
Region be made up of the upper shunting zone set gradually up and down, heat transfer zone and lower shunting zone, be provided with upper shunting zone and lower point
The protruding density in stream district is all higher than being arranged on the protruding density of heat transfer zone.
Preferred: to be arranged on the protruding mode all interlocked successively of shunting zone and lower shunting zone according to neighbouring two rows
Arrange and the projection of upper shunting zone and lower shunting zone is square bulge-structure；It is arranged on the projection of heat transfer zone except convex in the middle part of position
Rising outside aligning the most successively, the protruding mode all interlocked successively according to neighbouring two rows of projection both sides, middle part is arranged, and changes
The projection of hot-zone is hemispherical projections structure.
Preferred: to be arranged on protruding a diameter of 1mm～5mm of plate heat transfer zone, the spacing that neighbouring two rows are protruding
For 3mm～5mm, the angle of the angle of two protruding lines of centres formation that the protruding and lower row of upper row is corresponding is 50 °～120 °.
Preferred: the protruding width being arranged on shunting zone and lower shunting zone is 0.8mm～3mm, neighbouring two rows
Protruding spacing is 1.5mm～3.5mm, the angle of the angle of two protruding lines of centres formation that the protruding and lower row of upper row is corresponding
Degree is 60 °～120 °.
Preferred: the side arranging projection on heat exchange plate is coated with the first coating of anti-cold flow-induced corrosion, in heat exchange
The side arranging pit on plate is coated with the second coating of solar heat protection flow-induced corrosion.
The present invention has the advantage that with good effect:
1, the component of this heat exchanger all uses aluminium alloy, constitutes a kind of all-aluminium type heat exchanger, because of aluminium density ratio not
The material of the existing making heat exchangers such as rust steel is the least, and the full aluminum plate type heat exchanger of same volume size can be by traditional heat exchangers
Weight lowers about 60%, so, the quality of heat exchanger can be greatly lowered, be particularly suited for the new forms of energy that current attention rate is higher
Vehicle is to the requirement in terms of lightweight.
2, this heat exchanger uses full soldering formula structure, it is to avoid use pad between the parts of contact, it is ensured that heat exchange
The sealing of device, improves compressive resistance, high and low temperature resistance, anti-seismic performance and reliability etc..
3, having good heat conductivility due to aluminium, this all-aluminium type heat exchanger is compared to existing plate type heat exchanger, real
Show the quick heat exchange of cold fluid and hot fluid, improve heat exchange efficiency height and reduce thermal losses.
4, above-mentioned projection is set on heat exchange plate, make the both sides of heat exchange plate formed the different chamber, cold fluid flow road of capacity and
Hot fluid flow passage chamber, i.e. forms a kind of asymmetrical flowing lumen structure, and asymmetrical flowing lumen structure meets asymmetric heat exchange
The heat transfer requirements of fluid, it is ensured that the maximum utilization ratio of heat exchanger, thus also achieve heat exchanger volume and weight minimizes.
Accompanying drawing explanation
Fig. 1 is the perspective view of the present invention；
Fig. 2 is the stereo-resolution figure of Fig. 1；
Fig. 3 is the perspective view of adjacent two heat exchange plates in Fig. 2；
Fig. 4 is the cross sectional representation that in Fig. 1, adjacent two heat exchange plates coordinate；
Fig. 5 is the floor map of heat exchange plate in Fig. 1；
Fig. 6 is the close-up schematic view I of heat exchange plate in Fig. 5；
Fig. 7 is the close-up schematic view II of heat exchange plate in Fig. 5；
Fig. 8 is the floor map of the protruding heat exchange plate using other shapes and arrangement.
In figure: 1, front end-plate；2, end plate；3, heat exchange plate；3-1, excessively opening；3-2, projection；4, cold fluid inlet
Adapter；5, hot fluid outlet ports adapter；6, cold fluid outlet adapter；7, hot fluid entrance sleeve；8, hot fluid flow passage chamber；9, cold flow
Body flow passage chamber.
Detailed description of the invention
For the summary of the invention of the present invention, feature and effect can be further appreciated that, hereby enumerate following example, and coordinate accompanying drawing
Describe in detail as follows:
Referring to Fig. 1-8, all-aluminium type plate type heat exchanger is used in the cooling of heat generating member on electric vehicle, mainly include front end-plate 1,
And end plate 2 that front end-plate be arranged in parallel, several pieces heat exchange plates 3 being arranged between the plate of rear and front end, front end-plate be positioned at
Between the heat exchange plate of front end, between adjacent heat exchange plate and end plate and being respectively formed between the heat exchange plate of rearmost end
Folder chamber.Above-mentioned front end-plate, end plate, several pieces heat exchange plates are made by aluminum alloy materials, and are formed whole by the way of soldering
Body connects.The i.e. edge with the heat exchange plate being positioned at foremost, the edge of front end-plate, two heat exchanger plates of arbitrary neighborhood
The edge of sheet and the edge of end plate be positioned at the edge of heat exchange plate of rearmost end all by the side of soldering
Formula is directly fixing to be connected.So, avoid at forward and backward two end plates and heat exchange plate in the corresponding position needing to seal and phase
Two adjacent heat exchange plates are arranging sealing ring in requisition for the position sealed, it is ensured that the sealing in the folder chamber of formation, have relatively
Good pressure high-temp resistant.Above-mentioned front end-plate is respectively provided with a corner apertures near the position of four corners, superposed two
Corner apertures position is separately installed with cold flow body entrance sleeve 4 and hot fluid outlet ports adapter 5, is positioned at two corner apertures positions of bottom respectively
Cold fluid outlet adapter 6 and hot fluid entrance sleeve 7 are installed.With four corner apertures pair on front end-plate on every heat exchange plate
The position answered was equipped with opening 3-1, and before and after the opening excessively of correspondence position, rank forms flow channels successively, enters with cold flow body
The flow channels of mouth adapter connection is cold fluid inlet channel, and the flow channels connected with cold fluid outlet adapter is that cold flow body is defeated
Going out passage, the flow channels connected with hot fluid entrance sleeve is hot fluid input channel, connects with hot fluid outlet ports adapter
Flow channels is hot fluid output channel.Heat exchange plate makes the folder chamber within heat exchanger be formed by crossing the cooperation at opening position
The hot fluid flow passage chamber 8 being alternately arranged successively and chamber, cold fluid flow road 9.Hot fluid flow passage chamber connection hot fluid input channel and heat
Outlet fluid, chamber, cold fluid flow road connects cold fluid inlet channel and cold outlet fluid.Concrete, above-mentioned for realizing
The structure that hot fluid flow passage chamber and chamber, cold fluid flow road are alternately arranged, adjacent two panels heat exchange plate crosses opening position at four
Use different fit structures, for constituting the two panels heat exchange plate in chamber, cold fluid flow road, be positioned at cold fluid inlet channel
On two cross openings and be positioned on cold outlet fluid two cross openings and be respectively formed a kind of and corresponding cold fluid flow
The localized contact of chamber, road connection coordinates, and be positioned in hot fluid input channel two cross opening and to be positioned at hot fluid output logical
On road two cross opening and are respectively formed one and the cooperation of the disconnected Full connected in chamber, corresponding cold fluid flow road.And for constituting heat
For the two panels heat exchange plate in fluid course chamber, the cooperation at above-mentioned opening position excessively is the most contrary.At every heat exchange plate
On be all covered with protruding 3-2, protruding towards corresponding side, chamber, cold fluid flow road, the adjacent projection on two panels heat exchange plate is mirror image
It is symmetrical arranged, is respectively formed one corresponding to the projection on the two panels heat exchange plate in chamber, each cold fluid flow road at cold fluid flow road intracavity
One contact, and soldering connect, make corresponding cold fluid flow road intracavity formed along the width of heat exchange plate a plurality of by up to
The lower tortuous cold fluid flow circulation passage extended, and the most adjacent hot fluid flow passage chamber is respectively formed two sides and sets dimpled whole before and after making
Body channel lumens structure.So, the both sides of heat exchange plate form a kind of asymmetrical flowing lumen structure.On the one hand, heat exchange plate two
The chamber, cold fluid flow road of side is different with the capacity of hot fluid flow passage chamber, with the flow that corresponding both sides " asymmetric fluid " are different；Separately
On the one hand, the structure of the runner that heat exchange plate both sides are formed is different.As cold in heat exchanger or hot fluid side is way flow, then protuberance
And the structure of recess, arrangement design forming runner fluid to be made are three dimensional network eddy current fluidised form, make this plate type heat exchanger have and hold
Be stressed height, good heat-transfer, advantage applied widely.As cold in heat exchanger or hot fluid side is two phase flow, setting of structure
Meter need to consider that boiling or the physical characteristics that condenses carry out the strengthening in terms of heat exchange.As made cold or hot fluid side structure have
Power is in producing the more nucleus of boiling.Or air content (i.e. steam quality), mass velocity and the pressure of two phase flow is at applicable model
In enclosing, forming the annular flow that heat exchange efficiency is higher as far as possible so that the thickness of liquid film of tube wall diminishes, thermal resistance reduces.
In said structure, the protruding degree of depth being arranged on heat exchange plate takes 1mm～8mm, the hot-fluid of heat exchange plate both sides
The fluid flow ratio that body flowing lumen and cold fluid flow road intracavity produce is 1.5 times～6 times.Concrete, the protruding degree of depth and fluid
Flow-rate ratio is proportional, can use the protruding degree of depth being suitable for, in order to make cold fluid and hot fluid heat exchange according to actually used cold and hot fluid
Reach optimal effect.
In said structure, cold flow body entrance sleeve and cold fluid outlet adapter are preferably mounted at the side of front end-plate, hot-fluid
Body entrance sleeve and hot fluid outlet ports adapter are arranged on the opposite side of front end-plate, and so, cold flow body enters through cold flow body entrance sleeve
Enter to cold fluid inlet channel, be diverted to downwards each cold fluid flow road intracavity, at cold fluid flow road intracavity from top to bottom
Flowing, flows to lower end position, and confluxes in cold outlet fluid, then discharges from cold fluid outlet adapter, is circulated stream
Dynamic, during cold fluid flow is dynamic, hot fluid enters into hot fluid input channel through hot fluid entrance sleeve, divides then up
Flowing in each hot fluid flow passage chamber, hot fluid is gradually filled with hot fluid flow passage chamber, and is upwards flowed to hot fluid output channel
In, then discharge from hot fluid outlet ports adapter, be circulated flowing, during cold fluid and hot fluid circulates, it is achieved that heat
The exchange of amount.Cold flow body entrance sleeve and cold fluid outlet adapter, hot fluid entrance sleeve and hot fluid outlet ports adapter also can be adopted
Installation settings is carried out by the mode of heteropleural.
In said structure, every superposed two openings excessively of heat exchange plate cross openings with two that are positioned at bottom
Between region be preferably made up of the upper shunting zone set gradually up and down, heat transfer zone and lower shunting zone, upper shunting zone, heat transfer zone and
Lower shunting zone indicates with L1, L2 and L3 the most respectively, and be provided with in upper shunting zone and lower shunting zone is protruding close
Degree is all higher than being arranged on the protruding density of heat transfer zone.Arranging shunting zone, its effect is promote fluid along heat exchange plate whole
Even width is distributed, and makes full use of whole plate area and reduces pressure drop as far as possible, thus improving the performance of heat exchanger.For
Fluid along heat exchange plate longitudinal direction the same side cross opening into and out of same effluent, the design of shunting zone can make fluid distrbution keep
Uniformity just seems even more important.This heat exchanger is asymmetric plate type heat exchanger, and its plate shunting zone also uses unsymmetrical knot
Structure, makes both sides cold fluid and hot fluid be uniformly distributed in netted respectively.
In said structure, protruding shape and arrangement form are unrestricted, and projection can use hemispherical, square, Long Circle
Can use arrange staggered, herringbone arrangement, slope shape arrangement, rhombus arrangement etc. up and down Deng, protruding arrangement.In the present invention
In, the protruding mode all interlocked successively according to neighbouring two rows being arranged on shunting zone and lower shunting zone is arranged and upper point
The projection of Liu Qu and lower shunting zone is square bulge-structure, be arranged on the projection of heat transfer zone except in the middle part of position projection the most right
Outside just, the protruding mode all interlocked successively according to neighbouring two rows of projection both sides, middle part is arranged, and the projection of heat transfer zone is
Hemispherical projections structure.Using above-mentioned convex shape and arrangement mode, fluid flow resistance in fluid flowing lumen is less, it is ensured that relatively
Strong flowing flow-disturbing, makes even fluid distribution, enhanced heat exchange performance, and meanwhile, heat exchange plate processing technique is simple, easily realizes,
After soldering, fraction defective is low, and product can form higher bearing strength.
On the basis of heat transfer zone uses hemispherical projections and projection is arranged in the manner described above, it is preferably as follows parameter and sets
Put: be arranged on protruding a diameter of 1mm～5mm of plate heat transfer zone, represent with D in the accompanying drawings, neighbouring two rows' projections
Spacing is 3mm～5mm, and this distance values represents with H1 in the accompanying drawings, two protruding centers companies that the protruding and lower row of upper row is corresponding
The angle of the angle that line is formed is 50 °～120 °, and this angle value represents with R1 in the accompanying drawings.
Projection in upper shunting zone and lower shunting zone all uses the basis that square projection and projection are discharged in the manner described above
On, it is preferably as follows parameter and arranges: the protruding width being arranged on shunting zone and lower shunting zone is 0.8mm～3mm, in the accompanying drawings
Representing with W, the protruding spacing of neighbouring two rows is 1.5mm～3.5mm, represents with H2 in the accompanying drawings, and upper row is protruding with lower row
The angle of the angle that two corresponding protruding lines of centres are formed is 60 °～120 °, represents with R2 in the accompanying drawings.
In said structure, coat coating of different nature further in two sides of heat exchange plate, concrete, in heat exchange
The side arranging projection on plate is coated with the first coating of anti-cold flow-induced corrosion, and the side arranging pit on heat exchange plate is coated with
It is covered with the second coating of solar heat protection flow-induced corrosion.This ensures that, corrosion medial and lateral various flows moving medium not occurring and cause to lose
Effect, improves decay resistance and the service life of heat exchanger.The selection of anti-corrosion material, needs to consider vehicle heat exchanger medium
The factor of the aspects such as character, use condition, operating condition, and the moulding processability of material, decay resistance.
This heat exchanger is except can be applicable in replacing vehicle hot systems, and be also applied for that other need heat exchange between fluid and fluid is
System.There is the advantage that heat exchange efficiency height, light weight and sealing property are high.
Claims (8)
1. all-aluminium type plate type heat exchanger is used in the cooling of the heat generating member on electric vehicle, be arranged in parallel including front end-plate and front end-plate
End plate, several pieces heat exchange plates being arranged between the plate of rear and front end, front end-plate with between heat exchange plate foremost, phase
Between adjacent heat exchange plate and end plate and be respectively formed the folder chamber peripherally sealed between the heat exchange plate of rearmost end, it is special
Levy and be: front end-plate, end plate, several pieces heat exchange plates are made by aluminum alloy materials, and form entirety by the way of soldering
Connect；On front end-plate, the position near four corners is respectively provided with a corner apertures, and superposed two corner apertures positions are pacified respectively
Taking over equipped with cold flow body entrance sleeve and hot fluid outlet ports, two the corner apertures positions being positioned at bottom are separately installed with cold fluid outlet
Adapter and hot fluid entrance sleeve；Position corresponding with four corner apertures on front end-plate on every heat exchange plate was equipped with stream
Through hole, before and after the opening excessively of correspondence position, rank forms flow channels, the flow channels connected with cold flow body entrance sleeve successively
For cold fluid inlet channel, the flow channels connected with cold fluid outlet adapter is cold outlet fluid, with hot fluid import
The flow channels of adapter connection is hot fluid input channel, and the flow channels connected with hot fluid outlet ports adapter is hot fluid output
Passage；Heat exchange plate makes the folder chamber within heat exchanger form the hot fluid being alternately arranged successively by crossing the cooperation at opening position
Flow passage chamber and chamber, cold fluid flow road, hot fluid flow passage chamber connection hot fluid input channel and hot fluid output channel, cold fluid flow
Chamber, road connects cold fluid inlet channel and cold outlet fluid；Every heat exchange plate is all covered with projection, protruding towards right
Answering side, chamber, cold fluid flow road, the adjacent projection on two panels heat exchange plate is that specular is arranged, corresponding to each cold flow body
Projection on the two panels heat exchange plate of flow passage chamber is respectively formed at cold fluid flow road intracavity and contacts one by one, and soldering connects, and makes corresponding
Cold fluid flow road intracavity is forming a plurality of tortuous cold fluid flow extended from top to bottom all along the width of heat exchange plate
Road, and hot fluid flow passage chamber the most adjacent before and after making is respectively formed two sides and sets dimpled integral passage cavity configuration.
Heat generating member cooling all-aluminium type plate type heat exchanger on electric vehicle the most according to claim 1, it is characterised in that:
The protruding degree of depth being arranged on heat exchange plate takes 1mm～8mm, the hot fluid flowing lumen of heat exchange plate both sides and cold fluid flow road
The fluid flow ratio that intracavity produces is 1.5 times～6 times.
Heat generating member cooling all-aluminium type plate type heat exchanger on electric vehicle the most according to claim 1, it is characterised in that:
Cold flow body entrance sleeve and cold fluid outlet adapter are arranged on the side of front end-plate, and hot fluid entrance sleeve and hot fluid outlet ports connect
Pipe is arranged on the opposite side of front end-plate.
Heat generating member cooling all-aluminium type plate type heat exchanger on electric vehicle the most according to claim 3, it is characterised in that:
Every superposed two opening and the regions between two mistake openings of bottom excessively of heat exchange plate are by depending on up and down
The upper shunting zone of secondary setting, heat transfer zone and lower shunting zone are constituted, and be provided with in upper shunting zone and lower shunting zone is protruding close
Degree is all higher than being arranged on the protruding density of heat transfer zone.
Heat generating member cooling all-aluminium type plate type heat exchanger on electric vehicle the most according to claim 4, it is characterised in that:
The protruding mode all interlocked successively according to neighbouring two rows being arranged on shunting zone and lower shunting zone is arranged and upper shunting zone
It is square bulge-structure with the projection of lower shunting zone；Be arranged on the projection of heat transfer zone except in the middle part of position projection align the most successively
Outward, the protruding mode all interlocked successively according to neighbouring two rows of projection both sides, middle part is arranged, and the projection of heat transfer zone is half
Hemisphere jut structure.
Heat generating member cooling all-aluminium type plate type heat exchanger on electric vehicle the most according to claim 5, it is characterised in that:
Being arranged on protruding a diameter of 1mm～5mm of plate heat transfer zone, the spacing of neighbouring two rows' projections is 3mm～5mm, upper row
The angle of the angle of two protruding lines of centres formation that protruding and lower row is corresponding is 50 °～120 °.
Heat generating member cooling all-aluminium type plate type heat exchanger on electric vehicle the most according to claim 5, it is characterised in that:
The protruding width being arranged on shunting zone and lower shunting zone is 0.8mm～3mm, and the spacing of neighbouring two rows' projections is
1.5mm～3.5mm, the angle of the angle that two protruding lines of centres corresponding to the protruding and lower row of upper row are formed be 60 °～
120°。
Heat generating member cooling all-aluminium type plate type heat exchanger on electric vehicle the most according to claim 1, it is characterised in that:
The side arranging projection on heat exchange plate is coated with the first coating of anti-cold flow-induced corrosion, arranges pit on heat exchange plate
Side is coated with the second coating of solar heat protection flow-induced corrosion.
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| CN201610705009.1A CN106197091A (en) | 2016-08-22 | 2016-08-22 | All-aluminium type plate type heat exchanger is used in heat generating member cooling on electric vehicle |
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| CN201610705009.1A CN106197091A (en) | 2016-08-22 | 2016-08-22 | All-aluminium type plate type heat exchanger is used in heat generating member cooling on electric vehicle |
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| CN106197091A true CN106197091A (en) | 2016-12-07 |
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| CN108195212A (en) * | 2018-02-23 | 2018-06-22 | 江苏宝得换热设备股份有限公司 | A kind of brazing plate type heat exchanger |
| CN112601927A (en) * | 2018-08-29 | 2021-04-02 | 株式会社日阪制作所 | Plate heat exchanger |
| CN112648867A (en) * | 2020-11-30 | 2021-04-13 | 合肥通用机械研究院有限公司 | Integrated diffusion welding heat exchanger for enhancing heat transfer |
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Application publication date: 20161207 |