CN106025424A - New energy vehicle power battery cooling system - Google Patents
New energy vehicle power battery cooling system Download PDFInfo
- Publication number
- CN106025424A CN106025424A CN201610308757.6A CN201610308757A CN106025424A CN 106025424 A CN106025424 A CN 106025424A CN 201610308757 A CN201610308757 A CN 201610308757A CN 106025424 A CN106025424 A CN 106025424A
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- Prior art keywords
- drain
- liquid
- cooling system
- pipe
- battery
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- 238000001816 cooling Methods 0.000 title claims abstract description 59
- 239000007788 liquid Substances 0.000 claims abstract description 45
- 239000002826 coolant Substances 0.000 claims abstract description 24
- 239000003292 glue Substances 0.000 claims abstract description 10
- 238000009826 distribution Methods 0.000 claims abstract description 7
- 239000000110 cooling liquid Substances 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 17
- 239000004744 fabric Substances 0.000 claims description 16
- 238000009825 accumulation Methods 0.000 claims description 8
- 230000004087 circulation Effects 0.000 claims description 8
- 239000011229 interlayer Substances 0.000 claims description 8
- 239000004698 Polyethylene Substances 0.000 claims description 7
- -1 polyethylene Polymers 0.000 claims description 7
- 229920000573 polyethylene Polymers 0.000 claims description 7
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 229920002545 silicone oil Polymers 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 150000002148 esters Chemical class 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- XKZQKPRCPNGNFR-UHFFFAOYSA-N 2-(3-hydroxyphenyl)phenol Chemical compound OC1=CC=CC(C=2C(=CC=CC=2)O)=C1 XKZQKPRCPNGNFR-UHFFFAOYSA-N 0.000 claims description 3
- 229920002367 Polyisobutene Polymers 0.000 claims description 3
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 claims description 3
- 239000002199 base oil Substances 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 3
- 229920006351 engineering plastic Polymers 0.000 claims description 3
- 239000001294 propane Substances 0.000 claims description 3
- 208000002925 dental caries Diseases 0.000 claims description 2
- 230000005855 radiation Effects 0.000 claims description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 claims 2
- 238000010009 beating Methods 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000001384 succinic acid Substances 0.000 claims 1
- 230000000712 assembly Effects 0.000 abstract description 4
- 238000000429 assembly Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- ULUAUXLGCMPNKK-UHFFFAOYSA-N Sulfobutanedioic acid Chemical class OC(=O)CC(C(O)=O)S(O)(=O)=O ULUAUXLGCMPNKK-UHFFFAOYSA-N 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000002277 temperature effect Effects 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001839 systemic circulation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- 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
- H01M10/617—Types of temperature control for achieving uniformity or desired distribution of temperature
-
- 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
-
- 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
- H01M10/653—Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
-
- 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
-
- 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
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a new energy vehicle power battery cooling system used for solving the temperature raising problem of an existing battery pack. The system comprises battery cores and uniform-temperature assemblies, wherein the battery cores and the uniform-temperature assemblies are stacked at intervals. Each uniform-temperature assembly comprises a left shell, a right shell, a liquid guide piece, a liquid inlet pipe and a liquid outlet pipe, wherein the left shell and the right shell are of a symmetric structure, an inner cavity of the liquid guide piece is a cooling liquid channel, the edge of the liquid guide piece is embedded in a connection seam of the left shell and the right shell, glue seams are formed in the periphery of the liquid guide piece, uniform-temperature fields are formed between one side of the liquid guide piece and the left shell and between the other side of the liquid guide piece and the right shell respectively, the two side faces of the liquid guide piece are provided with center holes and spiral liquid distribution slots, the liquid inlet pipe and the liquid outlet pipe are externally connected with a liquid pump and a cooler to form a circulating pipeline, and a cooling medium flowing channel is formed. Flowing speed of cooling media in the uniform-temperature assemblies can be controlled, and the aim of controlling temperature in the battery cores is achieved.
Description
Technical field
This invention relates to new energy resource power battery technical field, and specifically a kind of temperature control effect is the newest
Energy vehicle electrokinetic cell cooling system.
Background technology
Electrokinetic cell is the core component of electric automobile, and the height of its performance directly affects electric automobile performance
Quality, wherein the general volume of electrokinetic cell is relatively big, occupies the position, chassis at vehicle, and its radiating effect is very
Difference.
Present battery of the most more making great efforts typically uses natural cooling, air-cooled or water-cooled mode to carry out, by
Being generally lithium battery in electrokinetic cell, as a example by lithium battery, its internal optimal discharge and recharge temperature is not above 140
DEG C, external temperature, not above 80 DEG C, otherwise will reduce service life and the discharge and recharge effect of battery.
Wherein, three kinds of each have their own advantages of radiating mode, natural cooling is low due to cooling effectiveness, progressively by
Eliminating, air-cooled structure is simple, is the current market mainstream, and water-cooled is complicated due to structure, but its cooling effect
Rate and controllability are the highest, and application is less at present, use it has been found that current water-cooled is typically all
The recirculated water of big flow carries out forcing cooling to battery, or carries out forcing cooling to the housing of battery bag,
In this course, cooling water completes a systemic circulation often in all battery, during this,
As a example by 100 pieces of battery, cooling starts and the temperature-difference of cooling medium at end is more than tens degree,
Make the temperature of different parts in battery bag the most unbalanced, this phenomenon can cause be one another in series, in parallel
Appearance individual variation between battery, and then the performance that impact is overall.
Further, since the design of existing cooling duct is all simple sandwich design, cooling medium is in flowing
During, can not accomplish cold medium acts directly on the application point needing cooling, drop further
The low cooling-down effect to cooling point, namely cooling-down effect is not ideal enough.
Summary of the invention
In order to solve the deficiencies in the prior art, the present invention provides a kind of new forms of energy car electrokinetic cell cooling system,
For the temperature control of electrokinetic cell, especially its major surfaces is lowered the temperature, solve owing to electrokinetic cell heats up
The problems such as the service life reduction brought, blast.
The technical solution adopted for the present invention to solve the technical problems is:
New forms of energy car electrokinetic cell cooling system, including battery, samming assembly and radiator, wherein, institute
Stating battery is tabular, and described battery and samming assembly are spaced superposition and use pull bar to strain,
It is characterized in that,
Described samming assembly includes left shell, right shell body, drain sheet and feed tube, drain pipe, wherein, left,
Right shell body is symmetrical structure, and forms, by welding, the housing that an inside is airtight, and welded seam is continuously along shell
The surrounding edge of body is launched, and wherein, described left shell, right shell body are stainless steel stamping parts, and to
Outside is designed as outer male structure, and be provided with on lateral surface one for the groove blocking battery, and
Four pairs of corners of left and right housing are the return port for installing drain pipe, and a pair of crown center is for installing
The pilot hole of feed tube;
Described drain sheet is engineering plastics moulding, and described drain sheet internal chamber is cooling passage, described
The gap of cooling passage between 5 millimeters to 10 millimeters, described drain sheet generally surrounding seal type
Shape, and the prominence on top is provided with inlet, inlet is set to install the circular hole of feed tube, described
The edge of drain sheet is embedded in the seam of left and right housing, and the surrounding of drain sheet is provided with polyethylene glue
Groove forms glue-line, and described drain sheet both sides respectively and form samming field, described samming field between left and right housing
Spacing controls between 10 to 20 millimeters;
The two sides, middle part of drain sheet are respectively arranged with centre bore and the spiral cloth liquid bath hole of symmetry, its
In, described center-hole diameter is in 10 millimeter, spiral cloth liquid bath screw arrangement centered by centre bore, institute
To state spiral cloth liquid bath hole be arc shaped slits, and gap from inside to outside for being gradually increased, the width at the narrowest place
At 1 millimeter, the width of the widest part is at 3 millimeters, and is obliquely installed, incline direction be from centre bore to
Drain pipe direction is obliquely installed;
Four corners on described drain sheet are provided with the through hole that return port described with on housing is corresponding, institute
State through hole non-penetrating with cooling passage;
Described housing and drain sheet are attached by four drain pipes and a feed tube, and at feed tube and
Drain pipe uses sealing ring to seal with housing, drain sheet contact site, is inserted into drain sheet at feed tube
One section in cavity is provided with inlet opening, and one section in drain pipe is inserted into drain sheet cavity is provided with out liquid
Hole.
Described feed tube forms external circulation line with the external liquid pump of drain pipe and radiator, and at external circulation line
In be provided with a safe pressure accumulation pressure relief device.
Described radiator includes heat exchanger tube, flexible pipe and collection QI KOU, and wherein, described heat exchanger tube is thin metal foil
Plate (such as 1 millimeter stainless sheet steel) weldment, the most annular at heat exchanger tube, centre is gas channel,
Described heat exchanger tube includes inwall, outer wall, front apron, backboard, front homogenizing plate, rear homogenizing plate and pipe joint,
Wherein, inwall, outer wall, front apron, backboard form a ring-type Sealed sandwich, institute after being welded to one another
State front homogenizing plate and rear homogenizing plate is separately positioned on two ends before and after annular cavity, before being divided into by interlayer all
Stream chamber, middle cooling chamber and rear back cavity, be wherein respectively arranged with some circular holes on forward and backward homogenizing plate, and
Using some dividing plates in middle cooling chamber is multiple sub-cavitys being set parallel to each other by its inside division, front
It is respectively arranged with two pipe joints on the outer wall in rear current-sharing chamber, then is carried out directly by flexible pipe and liquid inlet and outlet pipe
Or it is indirectly connected with;
By hose connection between described collection QI KOU and heat exchanger tube.
Further, the clearance D of the interlayer between described inner and outer wall is 1 centimetre.
Further, the described QI KOU that integrates, as bell mouth shape, is arranged at the air-inlet grille of automobile.
Further, the inner surface at left and right housing is provided with from middle to the helical protrusion of surrounding Spiral distribution
Rising, described spiral protrusion is oppositely arranged with described spiral cloth liquid bath, and is arranged on the opposite direction of Spiral distribution groove.
Further, in described samming assembly, the cooling medium composition of perfusion is 95-99% by mass ratio
150N tri-class base oil, the diphenol propane of 1.0-5.0%, 0.005% methyl-silicone oil or methyl-silicone oil ester, 0.05%
Tricresyl phosphate, 0.1% sulfurized polyisobutylene, demulsifier T1001 or LZ5957 of 100PPM, and
The sulphosuccinates composition of 0.2-0.3%.
Further, the electrode of described battery is positioned at laterally.
Described safe pressure accumulation pressure relief device is air bag, and air bag is arranged in return line, in the positive upside of air bag
It is provided with a relief valve.
The invention has the beneficial effects as follows:
The setting of samming assembly, can take away the heat that battery produces, it is possible to in samming assembly
The flowing velocity of cooling medium is controlled by, and reaches to control the purpose of battery internal temperature.
Low cost of manufacture, good reliability, the housing that wherein outside is combined with battery uses sheet metal part,
Heat conductivility is good, and carries out Pressure Welding connection at periphery, and coordinates the sealant sealing of drain sheet surrounding,
Form obturation effect, mode cooling medium zero leakage.
Housing itself has certain elasticity, and combines the space of samming field, can meet heat between battery
The requirement of swollen shrinkage.
The existence of samming field, the especially existence in spiral cloth liquid bath hole make the cooling medium can be more uniform
It is distributed and is acted directly in inner walls so that thermo parameters method is more uniform, improves cooling-down effect.
Accompanying drawing explanation
Fig. 1 is the schematic diagram (front) of electrokinetic cell bag internal structure.
Fig. 2 is the schematic diagram (side) of electrokinetic cell bag internal structure.
Fig. 3 is the sectional view of this electrokinetic cell bag.
Fig. 4 is electrokinetic cell bag view.
Fig. 5 is the axonometric chart of left shell (right shell body).
Fig. 6 is the axonometric chart of drain sheet.
Fig. 7 is the axonometric chart of sealing ring.
Fig. 8 is the partial enlarged drawing of the present invention.
Fig. 9 is the schematic diagram of air bag.
Figure 10 is the battery heat removal system in new forms of energy car.
Figure 11 is the schematic diagram of embodiment two.
Figure 12 is the axonometric chart of the present invention.
Figure 13 is the front view of the present invention.
Figure 14 is the annexation schematic diagram in the present invention.
Figure 15 is the axonometric chart of heat exchanger tube.
Figure 16 is heat exchanger tube cut-away view.
In figure: 1 battery, 2 samming assemblies, 21 left shells, 211 outer male structure, 212 grooves, 22 is right
Housing, 221 weld seams, 222 perforation, 23 drain sheets, 231 cooling passages, 232 inlets, 233 gather
Ethylene glue groove, 234 centre bores, 235 spiral cloth liquid bath holes, 236 through holes, 24 feed tubes, 25 drain pipes,
3 samming fields, 41 first sealing rings, 42 second sealing rings, 4 safe pressure accumulation pressure relief devices, 5 radiators, 51
Heat exchanger tube, 511 inwalls, 512 outer walls, 513 front aprons, 514 backboards, homogenizing plate before 515,5151
Circular hole, homogenizing plate after 516,517 pipe joints, 518 dividing plates, 52 flexible pipes, 53 collection QI KOU, current-sharing before 54
Chamber, cooling chamber, back cavity after 56,6 pull bars, 21 ' spiral protrusions, 7 liquid pumps, 10 metal shells in 55.
Detailed description of the invention
As shown in Figures 1 to 9, coolant poor for electrokinetic cell even temperature effect is to battery inhomogeneous cooling
The defects such as even and cooling system structure is complicated, the protection main body of the present invention is as follows:
Exploitation is a kind of new forms of energy car electrokinetic cell cooling system with even temperature effect, so that power
Battery is maintained within the scope of basicly stable temperature, and by undulated control in the range of reasonably.
The new forms of energy car electrokinetic cell cooling system structure that the present invention provides simultaneously is as follows:
Including battery 1 and samming assembly 2, wherein battery 1 is tabular, such as lithium battery core,
The electrode of battery therein is integrated in side, is typically designed as tabular or bulk, and sets thereon
Be equipped with electrode, according to position arrangement, below emphasis samming assembly is carried out detailed analysis.Due to the present invention
Emphasis do not lie in the improvement of battery, therefore no details will be provided to the structure of battery.
Electrokinetic cell is adding up due to internal temperature in charge and discharge process, has bigger temperature and rises existing
As, especially during the Accelerating Traveling of Automobiles, bigger intensification, the phenomenon of this intensification can be formed especially
The slightly increase into battery volume, the expansion of housing can be cashed outside, tested by thermometer, temperature
Degree can rise to 100 degree even more than, this intensification can cause the service life reduction of electrokinetic cell, further
Affect its security performance, such as spontaneous combustion.
Embodiment one, is making during samming assembly 2, needs to cause battery 1 temperature-rise period
Deformation, expansion are considered, and comprehensively utilize its deformation, reach effectively to control the process purpose that temperature heats up.
Samming assembly 2 includes left shell 21, right shell body 22, drain sheet 23 and feed tube 24, drain pipe
25, wherein, left and right housing is symmetrical structure, and by fastening and the welded molding of surrounding, forms one
Individual complete housing, is described in detail as a example by left shell 21, and left shell 21 uses stainless steel
Sheet stamping forms, and is designed as outer male structure 211 laterally, for coordinating with drain sheet, with reference to Fig. 5,
And be provided with on lateral surface one for the groove 212 blocking battery, at the outside self-contained battery of housing
Core, the electrode of described battery is positioned at laterally, and left and right housing welds after fastening by the way of Pressure Welding two-by-two
Forming one, wherein weld seam 221 launches along the surrounding edge of housing, and forms five on left and right housing
To perforation 222, be wherein positioned at four pairs of corners for four return ports, a pair of crown center is pilot hole,
Coordinate with feed tube in assembly technology, be respectively used to feed tube and drain pipe are installed.
Drain sheet 23, uses engineering plastics moulding, wherein has an inner chamber, for cooling passage 231,
Between the clearance control 5 to 10 millimeters of above-mentioned cooling passage 231, drain sheet 23 generally convex shape,
Surrounding carries out edge sealing, and the prominence on top is provided with inlet 232, and inlet is set to circular hole, is used for
Feed tube is installed, and utilizes sealing ring to carry out anti-drain process, it is noted that leak free design herein requires relatively low,
It is not absolute leakproof, uses General Purpose Rubber packing ring.
The edge that above-mentioned drain sheet 23 surrounding is formed after just merging with above-mentioned left and right housing overlaps,
Formed and coincide, and the surrounding of drain sheet is provided with polyethylene glue groove 233, pre-in above-mentioned polyethylene glue groove
First filled polyethylene glue, during assembling, makes polyethylene glue melt by the way of heating, and shape
Becoming glue-line, the edge of drain sheet 23 is embedded in the seam of left and right housing, can be to a left side by the way of heating
The seam of right shell body seals from interior survey, forms preferable sealing effectiveness, places liquid leakage.By above-mentioned
Sealant sealing and Pressure Welding double sealing, it is ensured that the leakage probability of junction circumference less than ten thousand/,
Ensure the use safety of battery component.
Drain sheet 23 both sides respectively and form samming field 3 between left and right housing, samming field herein is in space
It is a slight thin seam in form, and samming field 3 spacing between drain sheet and left and right housing controls 10
Between 20 millimeters, it is namely about 2 times of cooling passage.
Meanwhile, the existence of samming field, it is also possible that external shell has certain extendable room, can make up
Space requirement under battery thermal expansion condition.
The two sides, middle part of drain sheet 23 are respectively arranged with centre bore 234 and the spiral cloth liquid bath of symmetry
Hole 235, with reference to Fig. 1 and Fig. 6, wherein centre bore 234 diameter is in 10 millimeter, spiral cloth liquid bath hole
235 be narrow gap, and gap from inside to outside for being gradually increased, the width H1 at the narrowest place is at 1 millimeter
Left and right, the width H2 of the widest part is in 3 millimeter, and is obliquely installed, from centre bore to drain pipe side
To being obliquely installed.
Surrounding on above-mentioned drain sheet is provided with the through hole 236 corresponding with four perforation on housing, for
Pilot hole, this through hole 236 is not through with above-mentioned cooling passage 231, is independent, is used only for dress
Join.
Above-mentioned housing and drain sheet are attached by four drain pipes 25 and a feed tube 24, and are entering
Liquid pipe and drain pipe use sealing ring to seal with housing, drain sheet contact site, wherein, and sealing ring bag
Include the first sealing ring 41 and the second sealing ring 42, the first sealing ring 41 is arranged on outside housing with enter,
Between drain pipe, the second sealing ring 42 is arranged between drain sheet and liquid inlet and outlet pipe, and inserts at feed tube
One section in drain sheet cavity is provided with inlet opening, a section in drain pipe 25 is inserted into drain sheet cavity
Being provided with liquid outlet, coolant is at feed tube, drain sheet inner chamber, spiral cloth liquid bath, samming field and drain pipe
Being taken away by the heat of battery after circulation, form cooling, in the process, coolant is in spiral cloth liquid bath hole
Under the control of the trend of 235, coolant presents spiral helicine flowing, forms disturbance, and takes away surface heat,
Solve the problem of coolant idle loop in the existing type of cooling, improve cooling effect, due to spiral cloth liquid bath
Hole 235 is substantially covered on the front and back of drain sheet 23, the housing in outside can be carried out direct-injection simultaneously,
Cold coolant acts directly in the left and right inner walls in outside so that housing is directly lowered the temperature, and then drives
Battery fast cooling so that coolant samming formed here field, it is to avoid battery is being cooled down by coolant
During the even problem of inhomogeneous cooling.Improve cooling effect and efficiency.
Above-mentioned battery and samming assembly are spaced superposition, finally use four pull bars 6 to carry out tension i.e.
Can, form one, and be arranged in a metal shell 10, form a kind of battery bag, then coordinate outside
Air cooling system, formed cooling system, namely the new forms of energy car electrokinetic cell cooling system alleged by the present invention.
Feed tube 24 and drain pipe 25 outer circulation use liquid pump 7 and radiating mode, and wherein liquid pump uses miniature
Liquid pump, heat radiation connects with automobile radiators 5, utilizes automobile radiators to be dissipated by heat, with reference to figure
10。
Referring to figs. 12 to 16, above-mentioned radiator 5, including heat exchanger tube 51, flexible pipe 52 and collection QI KOU 53,
Wherein heat exchanger tube is thin sheet metal weldment, the most annular at heat exchanger tube 51, and section is 400 meters of marks
Accurate run-track shaped, centre is gas channel 57, including inwall 511, outer wall 512, front apron 513, backstop
Plate 514, front homogenizing plate 515, rear homogenizing plate 516 and pipe joint 517, wherein, inwall, outer wall, front
Plate, backboard form a ring-type interlayer, front homogenizing plate 515 and rear homogenizing plate 516 points after being welded to one another
Be not arranged on annular cavity before and after two ends, interlayer is divided into front current-sharing chamber 54, middle cooling chamber 55 and after
Back cavity 56, is wherein respectively arranged with some circular holes 5151, for cooling medium on forward and backward homogenizing plate
Mean allocation, and use some dividing plates 518 to be divided into multiple being set parallel to each other in middle cooling chamber
Sub-cavity so that coolant is circulated by this passage.
Be respectively arranged with two pipe joints 517 on the outer wall in current-sharing chamber front and back, then by flexible pipe with into and out of
Liquid pipe directly or indirectly connects.
For alleviating the weight of cooling medium, the clearance D of the above-mentioned interlayer between inside and outside wall is typically designed relatively
Little, such as 1 centimetre, logical too small amount of cooling medium carries out Rapid Circulation, just be enough to the heat of inside battery
Amount is taken away, to this end, be provided with micropump in the cooling line of cooling medium to carry out frequency conversion drive, controls cold
But the flow velocity of medium.
Integrate QI KOU 53 as bell mouth shape, be arranged at the air-inlet grille of automobile, for airflow inlet, at automobile
During traveling, form afflux effect, carry out heat exchange by inwall between air-flow and coolant, pass through
Coolant in interlayer is lowered the temperature by air-flow.
For ensureing the security performance of system, outer circulation is provided with a safe pressure accumulation pressure relief device 4, should
Device is a pressure accumulation air bag, has self-relieving function, reduce coolant under extraneous extreme shock
Pressure itself, safer.
Safe pressure accumulation pressure relief device 4 structure is as follows: include that air bag, air bag are arranged in return line, i.e. with
Flowline is attached, and air bag is arranged on vehicle front, and is bundled by flexible-belts such as rubber strips
Fixing, form a kind of flexible installing, the positive upside of air bag is provided with a relief valve,
Embodiment two, such as Figure 11, the inner surface at left and right housing is provided with from middle to surrounding Spiral distribution
Spiral protrusion 21 ', this spiral protrusion 21 ' is oppositely arranged with above-mentioned spiral cloth liquid bath 235, and substantially
It is arranged on the opposite direction of Spiral distribution groove, forms the structure of uniformity, under the effect of external force, laterally
Dispersion, improves external hull surface cooling nearby and flow rate.
Above-mentioned cooling liquid uses low viscosity miscella, has explosion-proof effect, and its composition includes: by quality
Than the 150N tri-class base oil for 95-99%, the diphenol propane of 1.0-5.0%, 0.005% methyl-silicone oil or first
Base silicone oil ester, 0.05% tricresyl phosphate, 0.1% sulfurized polyisobutylene, the demulsifier T1001 of 100PPM or
LZ5957, and the sulphosuccinates composition of 0.2-0.3%, this special miscella has good high temperature
Stability, has explosion-proof performance, it is possible to meet electrokinetic cell use requirement in the case of a high temperature, especially
Electrokinetic cell can be reduced and dodge the danger of quick-fried initiation.
Embodiment described above is only to be described the preferred embodiment of the present invention, not to this
Bright scope is defined, on the premise of designing spirit without departing from the present invention, and relevant technical staff in the field
Various deformation and improvement to the present invention, all should expand in protection domain as determined by claims of the present invention.
Claims (10)
1. new forms of energy car electrokinetic cell cooling system, including battery (1), samming assembly (2) and heat radiation
Device (5), wherein, described battery (1) is tabular, and described battery and samming assembly are spaced folded
Adduction uses pull bar (6) to strain, it is characterised in that
Described samming assembly (2) includes left shell (21), right shell body (22), drain sheet (23) and enters
Liquid pipe (24), drain pipe (25), wherein, left and right housing is symmetrical structure, and by welding formation one
The housing that individual inside is airtight, welded seam (221) launches continuously along the surrounding edge of housing, and left,
Four pairs of corners of right shell body are the return port for installing drain pipe, and a pair of crown center is for installing feed liquor
The pilot hole of pipe;
Described drain sheet (23) is engineering plastics moulding, and described drain sheet (23) internal chamber is cooling
Liquid passage (231), the gap of described cooling passage (231) is between 5 millimeters to 10 millimeters, described
The convex shape that drain sheet (23) generally surrounding seals, and inlet (232) it is provided with in the prominence on top,
Described inlet is set to install the circular hole of feed tube, and the edge of described drain sheet (23) is embedded in left and right
In the seam of housing, and the surrounding of drain sheet is provided with polyethylene glue groove (233), is coated with in polyethylene glue groove
Glue forms glue-line, and described drain sheet (23) both sides respectively and form samming field (3) between left and right housing,
Described samming field (3) spacing is between 10 to 20 millimeters;
The two sides, middle part of drain sheet (23) are respectively arranged with centre bore (234) and the spiral of symmetry
Cloth liquid bath hole (235), wherein, described centre bore (234) diameter at 10 millimeters, described spiral cloth liquid bath
Hole is screw arrangement centered by centre bore, and described spiral cloth liquid bath hole (235) is arc shaped slits,
Four corners on described drain sheet are provided with the through hole that return port described with on housing is corresponding
(236), described through hole (236) is the most through with cooling passage (231);
Described housing and drain sheet are attached by four drain pipes (25) and a feed tube (24),
Described feed tube, drain pipe use sealing ring to seal, at feed tube with housing, drain sheet contact site
One section that is inserted in drain sheet cavity is provided with inlet opening, is inserted into drain sheet cavity at drain pipe (25)
Interior one section is provided with liquid outlet;
Described feed tube (24) forms circulation line with drain pipe (25) external liquid pump and radiator (5),
Described radiator (5) includes heat exchanger tube (51), flexible pipe (52) and collects QI KOU (53), wherein,
Described heat exchanger tube is sheet metal panel beating weldment, heat exchanger tube (51) generally annular, middle logical for air-flow
Road (57), described heat exchanger tube (51) include inwall (511), outer wall (512), front apron (513), after
Baffle plate (514), front homogenizing plate (515), rear homogenizing plate (516) and pipe joint (517), wherein, inwall,
Outer wall, front apron, backboard form a ring-type Sealed sandwich, described front homogenizing plate (515) after being welded to one another
With two ends before and after the cavity that rear homogenizing plate (516) is separately positioned on annular, interlayer is divided into front current-sharing chamber
(54), middle cooling chamber (55) and rear back cavity (56), be wherein respectively arranged with on forward and backward homogenizing plate
Some circular holes (5151), and use some dividing plates (518) by its inside division in middle cooling chamber (55)
For multiple sub-cavitys being set parallel to each other, on the outer wall in current-sharing chamber, it is respectively arranged with two pipe joints front and back
(517), directly or indirectly it is connected with liquid inlet and outlet pipe by flexible pipe;
Connected by flexible pipe (52) between described collection QI KOU and heat exchanger tube.
New forms of energy car electrokinetic cell cooling system the most according to claim 1, it is characterised in that institute
The gap (D) stating the interlayer between inner and outer wall is 1 centimetre.
New forms of energy car electrokinetic cell cooling system the most according to claim 1, it is characterised in that institute
State and integrate QI KOU (53) as bell mouth shape, be arranged at the air-inlet grille of automobile.
New forms of energy car electrokinetic cell cooling system the most according to claim 1, it is characterised in that
The inner surface of left and right housing is provided with from middle to the spiral protrusion (21 ') of surrounding Spiral distribution, described spiral shell
Rotation projection (21 ') is oppositely arranged with described spiral cloth liquid bath (235), and is arranged on the anti-of Spiral distribution groove
Direction.
New forms of energy car electrokinetic cell cooling system the most according to claim 1, it is characterised in that institute
The cooling medium composition irrigated in stating samming assembly is by the 150N tri-class base oil that mass ratio is 95-99%,
The diphenol propane of 1.0-5.0%, 0.005% methyl-silicone oil or methyl-silicone oil ester, 0.05% tricresyl phosphate,
0.1% sulfurized polyisobutylene, demulsifier T1001 or LZ5957 of 100PPM, and the succinic acid of 0.2-0.3%
Sulfonated ester forms.
New forms of energy car electrokinetic cell cooling system the most according to claim 1, it is characterised in that described
The electrode of battery is positioned at laterally.
New forms of energy car electrokinetic cell cooling system the most according to claim 1, it is characterised in that and
Circulation line is provided with a safe pressure accumulation pressure relief device (4).
New forms of energy car electrokinetic cell cooling system the most according to claim 7, it is characterised in that institute
Stating safe pressure accumulation pressure relief device (4) is air bag, and air bag is arranged in return line, sets in the positive upside of air bag
It is equipped with a relief valve.
New forms of energy car electrokinetic cell cooling system the most according to claim 1, it is characterised in that institute
State left shell (21), right shell body (22) is metallic stamping pieces, and is designed as outer male structure (211) laterally,
And on lateral surface, it is provided with one for the groove (212) blocking battery.
New forms of energy car electrokinetic cell cooling system the most according to claim 1, it is characterised in that institute
State arc shaped slits from inside to outside for being gradually increased, the width (H1) at the narrowest place at 1 millimeter, the widest part
Width (H2) is at 3 millimeters, and is obliquely installed, and incline direction is to incline to drain pipe direction from centre bore
Tiltedly arrange.
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CN201610308757.6A CN106025424A (en) | 2016-05-10 | 2016-05-10 | New energy vehicle power battery cooling system |
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CN110534675A (en) * | 2019-08-26 | 2019-12-03 | 润远建设发展有限公司 | A kind of battery based on Novel electric core |
CN110576766A (en) * | 2019-09-12 | 2019-12-17 | 北京经纬恒润科技有限公司 | vehicle heat exchange system |
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Application publication date: 20161012 |