CN110534841A - A kind of the phase transformation soaking plate structure and its manufacturing method of integrated water-cooling system - Google Patents
A kind of the phase transformation soaking plate structure and its manufacturing method of integrated water-cooling system Download PDFInfo
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- CN110534841A CN110534841A CN201910778006.4A CN201910778006A CN110534841A CN 110534841 A CN110534841 A CN 110534841A CN 201910778006 A CN201910778006 A CN 201910778006A CN 110534841 A CN110534841 A CN 110534841A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/26—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass heat exchangers or the like
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/617—Types of temperature control for achieving uniformity or desired distribution of temperature
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
- H01M10/643—Cylindrical cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6569—Fluids undergoing a liquid-gas phase change or transition, e.g. evaporation or condensation
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- 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
Abstract
The invention discloses a kind of phase transformation soaking plate structure of integrated water-cooling system and its manufacturing method, the phase transformation soaking plate structure includes: water cooling tube;Vacuum impregnating liquid pipe, the inner cavity of the vacuum impregnating liquid pipe are divided into closing chamber and atrium, and the both ends sealing of the closing chamber, the both ends of the atrium are provided with working media inlet and outlet connectors;Several harmonica-shaped tubes are evenly spaced apart connection along its length and are arranged between water cooling tube and vacuum impregnating liquid pipe, in the end closure and sealing insertion water cooling tube of the harmonica-shaped tube;The closing chamber of vacuum impregnating liquid pipe is inserted into another end opening and sealing, has been filled with phase-change working substance in the harmonica-shaped tube and closing chamber.The present invention integrates heating refrigerating function, it can be effectively controlled battery core temperature and effectively reduce the temperature difference between different battery cores, make the work of entire power battery pack within the scope of reasonable temperature, the shortcomings that phase transformation soaking plate uniform temperature decline caused by simple process is stable, suitable for mass production, high-efficient, yield is high, effect avoids filling liquid uneven.
Description
Technical field
The invention belongs to heat transfer technical fields, are related to a kind of phase transformation soaking plate technique, more particularly to a kind of integrated water
The phase transformation soaking plate structure and its manufacturing method of cooling system.
Background technique
Core element of the power battery as electric car, quality and efficiency direct relation and influences electric car
Quality and effect.Batteries of electric automobile group in the market mostly uses greatly lithium ion battery as power battery, still, lithium-ion electric
The poikilothermism in pond is poor, and higher or lower temperature can all influence performance and the service life of lithium ion battery, directly affects
The course continuation mileage and use cost of electric car bring inconvenience for people.
As power battery pack energy density is higher and higher, the requirement of battery pack heat management system is also higher and higher, existing
Battery pack heat management system usually there are two types of liquid cooling mode, one is direct liquid cooling, direct liquid cooling be generally liquid cooling pipeline or
Liquid cooling plate abuts directly on battery modules battery pack to be heated or cooled, and passes through circulating come to battery mould for coolant liquid
Group is heated or cooled, and heating or cooling effect is preferable, but liquid cooling plate has that the intake-outlet temperature difference is big, this can be serious
The average temperature performance of battery pack is influenced, and complicated water route is arranged such that intake-outlet pressure drop increases, and increases energy consumption;It is another
Mode is indirect liquid cooling, i.e., connect battery with liquid cooling pipeline by high thermal conductivity coefficient element (such as heat pipe), pass through high thermal conductivity system
Number element conducts heat, and this mode liquid cooling pipe arrangement is simple, and inlet and outlet pressure drop is small, but high thermal conductivity coefficient element and liquid cooling pipe
Connection before is complicated, is easy to generate larger thermal resistance between high thermal conductivity coefficient element and liquid cooling pipe, influences to heat and cooling is imitated
Fruit.
Flat aluminum inside heat pipe has multiple mutually independent microchannels, and inside microchannels are filled with phase-change working substance, utilizes
Efficient heat transfer is realized in phase transformation, is a kind of efficient heat transfer medium, has wide application in the indirect liquid cooling system of power battery pack
Prospect, but flat aluminum heat pipe equally exists the problem that thermal resistance is larger between indirect liquid cooling and cold source.
Chinese patent (application number of invention patent: 201711470218.3) discloses that " a kind of liquid-cooling type flat aluminum heat pipe dissipates
Hot device and its manufacturing method ", the flat aluminum heat pipe in the flat aluminum heat-pipe radiator are directly contacted with refrigerant, solve indirect liquid
Cold existing thermal resistance problem, but the flat aluminum inside heat pipe in the flat aluminum heat-pipe radiator has multiple microchannels, both ends
It seals, it is mutually indepedent between microchannel, and since microchannel quantity is more, size is smaller, and each microchannel needs fluid injection respectively, work
Skill is complicated, and reservoir quantity is difficult to control between each microchannel, influences the uniform temperature of flat aluminum heat pipe.
Summary of the invention
Regarding the issue above, the present invention provides a kind of reasonable in design, integrated water of excellent heat transfer properties
The phase transformation soaking plate structure and its manufacturing method of cooling system, the phase transformation soaking plate are reduced by the way that harmonica-shaped tube to be inserted into water cooling tube
Thermal resistance between heat transfer element and low-temperature working medium realizes that harmonica-shaped tube multiple microchannels interconnect, once by vacuum impregnating liquid pipe
Property fluid injection, phase-change working substance it is automatically complementary, improve average temperature performance, designed by the double cavity structure of vacuum impregnating liquid pipe, realize plus
The equal temperature function of heat, and meet heat pipe along the optimal working principle of gravity performance, that is, lower end heating, upper end cooling are realized, collection adds
Hot refrigerating function is integrated phase transformation soaking plate structure.
The purpose of the present invention is realized at least through one of following technical solution:
A kind of phase transformation soaking plate structure of integrated water-cooling system, comprising:
Water cooling tube, both ends are provided with working media inlet and outlet connectors;
Vacuum impregnating liquid pipe, the inner cavity of the vacuum impregnating liquid pipe pass through the isolated part being axially arranged and are divided into closing chamber and atrium,
The both ends of the closing chamber seal, and the both ends of the atrium are provided with working media inlet and outlet connectors;
Several harmonica-shaped tubes are evenly spaced apart connection along its length and are arranged between the water cooling tube and vacuum impregnating liquid pipe, described
In one end closure of harmonica-shaped tube and sealing insertion water cooling tube, can with the low-temperature working physical contact between media in water cooling tube, the two
Junction keeps sealing;The closing chamber of the vacuum impregnating liquid pipe, closing chamber and the harmonica-shaped tube are inserted into another end opening and sealing
Inner chamber body interconnects, and has been filled with phase-change working substance in the harmonica-shaped tube and closing chamber, phase-change working substance in airtight cavity from
Dynamic equalization of complementary, improves uniform temperature.
Further, the water cooling tube includes:
Water cooling tube bottom plate has been positioned apart from several jacks identical with harmonica-shaped tube cross section outer profile along length discovery;
Water cooling tube lid fastens the water cooling tube medium channel that sealing is collectively formed in setting with the water cooling tube bottom plate;
Low-temperature working medium inlet and outlet is fixed at water cooling tube lid both ends and is connected with the medium channel.
Further, the vacuum impregnating liquid pipe includes:
Chamber lid is closed, has been positioned apart from several jacks identical with harmonica-shaped tube cross section outer profile along length discovery;
Be open chamber lid, closes the liquid injection pipe medium channel that sealing is collectively formed in setting with the closing chamber cover buckle;
Partition is arranged between the closing chamber lid and opening chamber lid along its length by the liquid injection pipe medium channel of the sealing
It is divided into the closing chamber and atrium;
Vacuum liquid filling mouth, setting are but connected with the closing chamber in described closing chamber lid one end;
Hot operation medium inlet and outlet is arranged at the opening chamber lid both ends and is connected with the atrium.
Further, the inside of the harmonica-shaped tube is evenly spaced apart to be provided with several and mouth organ pipe range in the width direction
Direction is spent parallel and perpendicular to the parallel reinforcing rib of the harmonica-shaped tube thickness direction, is several and harmonica-shaped tube by inside division
The parallel microchannel of length direction, an end closure of the microchannel, the other end keep opening.
Further, the working media is the mixed liquor of water and ethylene glycol;The phase-change working substance is phase-change liquid material.
A kind of manufacturing method of the phase transformation soaking plate structure of integrated water-cooling system, comprising steps of
Blanking: manufacture and water cooling tube and vacuum impregnating liquid pipe blanking including harmonica-shaped tube;
Punching: punching forms jack on water cooling tube bottom plate and vacuum liquid filling duct occlusion chamber lid plate;
Bending: water cooling tube lid, vacuum liquid filling duct occlusion chamber lid are processed, outside vacuum liquid filling tube opening chamber lid by panel beating
Type;
Mouth organ channel closure: sealing processing is carried out to one end of the harmonica-shaped tube;
Harmonica-shaped tube positioning: solder, benefit are coated in mouth organ pipe surface and water cooling tube bottom plate and vacuum liquid filling channel closure chamber lid junction
Several harmonica-shaped tubes are positioned into clamping as needed with fixture, the sealing end insertion water cooling tube bottom plate for the harmonica-shaped tube that locating clip is pulled tight
In jack, open end is inserted into the jack of the vacuum liquid filling channel closure chamber lid;
Component connection: the harmonica-shaped tube having good positioning and water cooling tube bottom plate, vacuum liquid filling channel closure chamber lid being put into heat in furnace and welded,
After the completion of welding, fixture is removed, by water cooling tube and vacuum impregnating liquid pipe other assemblies respectively with water cooling tube bottom plate and vacuum impregnating liquid pipe
Seal chamber lid welding;
Vacuum pumping liquid injection sealing: using vacuum pumping liquid injection equipment, through vacuum liquid filling, qin pipe internal cavity is vacuumized mouth to mouth,
A certain amount of phase-change working substance is injected after reaching certain vacuum degree and sealing processing is carried out to the vacuum liquid filling mouth;
Further, it after the vacuum pumping liquid injection sealing, further comprises the steps of:
Detection: detection includes heat transfer property detection and reliability detection;
Product handling system: product handling system, including cleaning, surface passivation, surface insulation processing are carried out to the qualified product of detection.
Further, carrying out sealing processing to the vacuum liquid filling mouth is specifically to be sealed true mouth liquid injection port pressure welding using mold
Mouthful, recycle argon arc welding secondary sealing to guarantee sealing reliability.
Further, the blanking includes: mouth of the inside with microchannel for being shaped to both ends open by squeezing aluminium ingot
Qin pipe, and according to length requirement cut-to-length;Go out the external form that water cooling tube and vacuum impregnating liquid pipe each group part need by sheet metal forming;
Cut working media inlet and outlet connectors.
Further, which is characterized in that it is specifically to utilize oil pressure that described one end to the harmonica-shaped tube, which carries out sealing processing,
Bed and mold are by harmonica-shaped tube one end pressure welding sealing, and recycling the modes such as Laser Welding or argon arc welding that will seal will weld again, to guarantee
Seal reliability.
Compared with prior art, the present invention becomes one water-cooling system and phase transformation soaking plate, avoids phase transformation soaking plate
The disadvantage of antigravity performance difference integrates heating refrigerating function, is conducive to the heat management need for meeting new energy car battery packet
It asks.The phase transformation soaking plate structure manufacturing method of integrated water-cooling system provided by the invention, simple process are stablized, and are suitble to batch raw
The shortcomings that production, high-efficient, product yield is high, and uniform temperature caused by capable of effectively avoiding filling liquid uneven declines.
Detailed description of the invention
Fig. 1 is the phase transformation soaking plate schematic perspective view of the integrated water-cooling system of the present invention;
Fig. 2 is the phase transformation soaking plate structure schematic cross-sectional view of the integrated water-cooling system of the present invention;
Fig. 3 is enlarged diagram at A in Fig. 2;
Fig. 4 is enlarged diagram at B in Fig. 2;
Fig. 5 is water cooling tube schematic perspective view of the present invention;
Fig. 6 is water cooling tube structure of the main view of the present invention;
Fig. 7 is water cooling tube structure schematic top plan view of the present invention;
Fig. 8 is enlarged diagram at C in Fig. 7;
Fig. 9 is vacuum impregnating liquid pipe schematic perspective view of the present invention;
Figure 10 is vacuum impregnating liquid pipe schematic front view of the present invention;
Figure 11 is enlarged diagram at D in Figure 10;
Figure 12 is harmonica-shaped tube schematic front view of the present invention;
Figure 13 is harmonica-shaped tube schematic top plan view of the present invention;
Figure 14 is enlarged diagram at E in Figure 13;
Figure 15 is enlarged diagram at F in Figure 13;
Figure 16 is the phase transformation soaking plate structure of the integrated water-cooling system of the present invention for power battery pack heat management structure schematic diagram.
In figure: 1- water cooling tube;11- water cooling tube bottom plate;12- water cooling tube lid;13- low-temperature working medium inlet and outlet;2- mouth organ
Pipe;3- vacuum impregnating liquid pipe;31- closes chamber lid;32- partition;33- opening chamber lid;34- vacuum liquid filling mouth;35- hot operation medium
Inlet and outlet;4- power battery module;5- phase transformation soaking plate structure.
Specific embodiment
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
As shown in Figs 1-4, a kind of phase transformation soaking plate structure of integrated water-cooling system, comprising:
Water cooling tube 1, both ends are provided with working media inlet and outlet connectors;
Vacuum impregnating liquid pipe 3, the inner cavity of the vacuum impregnating liquid pipe 3 pass through the isolated part being axially arranged and are divided into closing chamber and opening
Chamber, the both ends sealing of the closing chamber, the both ends of the atrium are provided with working media inlet and outlet connectors;
Several harmonica-shaped tubes 2 are evenly spaced apart connection along its length and are arranged between the water cooling tube 1 and vacuum impregnating liquid pipe 3, institute
It states in an end closure of harmonica-shaped tube 2 and sealing insertion water cooling tube 1;Another end opening and vacuum impregnating liquid pipe 3 is inserted into sealing
Closing chamber, closing chamber interconnect with 1 inner chamber body of harmonica-shaped tube, have been filled with phase transformation in the harmonica-shaped tube 2 and closing chamber
Working medium, phase-change working substance automatic equalization in airtight cavity is complementary, improves uniform temperature.
Specifically, the water cooling tube 1 includes: as Fig. 5-8 is above-mentioned
Water cooling tube bottom plate 11 has been positioned apart from several jacks identical with 2 cross section outer profile of harmonica-shaped tube along length discovery;
Water cooling tube lid 12 fastens the water cooling tube medium channel that sealing is collectively formed in setting with the water cooling tube bottom plate 11;
Low-temperature working medium inlet and outlet 13 is fixed at 12 both ends of water cooling tube lid and is connected with the medium channel.
Specifically, as shown in figs. 9-11, the vacuum impregnating liquid pipe 3 includes:
Chamber lid 31 is closed, has been positioned apart from several jacks identical with 2 cross section outer profile of harmonica-shaped tube along length discovery;
Be open chamber lid 33, fastens the liquid injection pipe medium channel that sealing is collectively formed in setting with the closing chamber lid 31;
Partition 32 the closing chamber lid 31 is arranged in along its length, the liquid injection pipe of the sealing is situated between the chamber lid 33 that is open
Matter channel segmentation is the closing chamber and atrium;
Vacuum liquid filling mouth 34, setting are but connected with the closing chamber in described 31 one end of closing chamber lid;
Hot operation medium inlet and outlet 35 is arranged at 33 both ends of opening chamber lid and is connected with the atrium.
Specifically, as shown in figs. 12-15, if the inside of the harmonica-shaped tube 2 is evenly spaced apart to be provided in the width direction
It does with 2 length direction of harmonica-shaped tube parallel and perpendicular to the parallel reinforcing rib of 2 thickness direction of harmonica-shaped tube, by inside division
For several microchannels parallel with 2 length direction of harmonica-shaped tube, an end closure of the microchannel, the other end keeps opening.
Wherein, the working media is the mixed liquor of water and ethylene glycol;The phase-change working substance is phase-change liquid material.This reality
It applies the working media in example and is divided into three kinds, low-temperature working medium, hot operation medium, phase-change working substance, the low-temperature working medium
It is generally+50% ethylene glycol mixture of 50% water, the water cooled pipe 1 of low-temperature working medium flow field with hot operation medium, hot operation is situated between
Non- airtight cavity of the mass flow through vacuum impregnating liquid pipe 3, phase-change working substance is filled in harmonica-shaped tube 2 and the closing chamber of vacuum impregnating liquid pipe 3 is common
In the airtight cavity of composition, generally the latent heat of vaporization is big, the high phase-change liquid material of specific heat capacity, such as electronics fluorination liquid.
The manufacturing method of the phase transformation soaking plate structure of above-described embodiment, including blanking, punching, bending, mouth organ channel closure, mouth
Qin Guan Dingwei, component connection, vacuum pumping liquid injection sealing, detection, product handling system, specifically include:
Step 1: blanking: blanking includes the 3 component blanking of manufacture and 1 component of water cooling tube and vacuum impregnating liquid pipe of harmonica-shaped tube 2.It is described
The inside that the manufacture of harmonica-shaped tube 2 is shaped to both ends open by squeezing aluminium ingot has the harmonica-shaped tube of microchannel, and according to length requirement
Cut-to-length;1 group of water cooling tube and 3 component of vacuum impregnating liquid pipe go out the external form of needs by sheet metal forming;Under intake-outlet tubing
Material.
Step 2: punching: the punching on 31 plate of water cooling tube bottom plate 11 and vacuum liquid filling duct occlusion chamber lid.
Step 3: water cooling tube lid 12, vacuum liquid filling duct occlusion chamber lid 31, vacuum impregnating bending: are processed by panel beating
Liquid pipe opening 33 external form of chamber lid.
Step 4: mouth organ channel closure: 2 one end pressure welding of harmonica-shaped tube is sealed using oil pressure bed and mold, recycles Laser Welding
Or the modes such as argon arc welding will seal again by welding, to guarantee to seal reliability.
Step 5: harmonica-shaped tube positioning: connect in 2 surface of harmonica-shaped tube and water cooling tube bottom plate 11 and vacuum liquid filling channel closure chamber lid 31
Place's coating solder is connect, several harmonica-shaped tubes 2 are positioned to clamping as needed using fixture, 2 sealing end of harmonica-shaped tube that locating clip is pulled tight
Insertion water cooling tube bottom plate 11 is gone out in hole through step 2, will be in the hole of open end insertion vacuum liquid filling channel closure chamber lid 31.
Step 6: component connection: by the harmonica-shaped tube 2 having good positioning and water cooling tube bottom plate 11, vacuum liquid filling channel closure chamber lid 31
It is put into furnace and heats welding, after the completion of welding, remove fixture, by water cooling tube 1 and 3 other assemblies of vacuum impregnating liquid pipe same water cooling respectively
Tube bottom plate 11 and vacuum liquid filling channel closure chamber lid 31 are welded, and to guarantee leakproofness and the harmonica-shaped tube open end of weld seam in welding process
It does not block.
Step 7: vacuum pumping liquid injection sealing: using dedicated vacuum pumping liquid injection equipment through in 34 pairs of harmonica-shaped tubes 2 of vacuum liquid filling mouth
Portion's cavity is vacuumized, and after reaching certain vacuum degree, injects a certain amount of phase-change working substance, utilizes mold by true mouth liquid injection port pressure afterwards
Sealing mouth recycles argon arc welding secondary sealing to guarantee sealing reliability.
Step 8: detection: detection includes heat transfer property detection and reliability detection.
Step 9: product handling system: the product qualified to detection carries out product handling system, including cleaning, surface passivation, surface are exhausted
Edge processing etc..
Figure 16 is that the phase transformation soaking plate structure of integrated water-cooling system is used for new energy power supply packet heat management structure schematic diagram,
Specific work process are as follows:
Power battery forms mould group by series-parallel form, and the phase transformation soaking plate structure 5 of integrated water-cooling system is arranged in two
Between power battery module 4,2 outer wall of harmonica-shaped tube of phase transformation soaking plate structure 5 is close in 4 side of power battery module;Work as power electric
When the temperature is excessively high, heat is transmitted in the intracorporal phase-change working substance of seal chamber Chi Mo group 4 through 2 outer wall of harmonica-shaped tube, phase-change working substance phase transformation
Heat absorption vaporization, which rises, reaches 2 top of harmonica-shaped tube, and low-temperature working medium enters water cooling tube 1, through 2 top tube wall of harmonica-shaped tube and gaseous state phase
Matter of exchanging work carries out heat exchange, and heat is taken away, and phase-change working substance liquefaction decline moves in circles, realizes that the samming on gravity direction is cold
But;Since the closing chamber of vacuum impregnating liquid pipe 3 interconnects microchannel each in harmonica-shaped tube 1, when certain microchannel phase-change working substance amount is inadequate,
Extra phase-change working substance will supplement it through 3 closing chamber of vacuum impregnating liquid pipe, to realize the samming of horizontal direction;Work as power
When 4 temperature of battery modules is too low, hot operation medium heats the phase-change working substance in closing chamber through the atrium of vacuum impregnating liquid pipe 3,
Phase-change working substance vaporization heat absorption rises, and heat exchange is carried out through 2 outer wall of harmonica-shaped tube and heater element, to realize equal on gravity direction
Temperature heating.
It in another embodiment, can be by one of low-temperature working medium inlet and outlet 13 and one to reduce pipe joint
A hot operation medium inlet and outlet 35 is weldingly connected by the road, is made of one, and high/low temperature working media is adjusted by reversal valve
Circuit, when entering refrigerating mode, low-temperature working medium enters cold water pipe 1 through low-temperature working medium entrance 13, passes through true
Empty liquid injection pipe 3 leaves phase transformation equalizing plate structure from hot operation medium inlet and outlet 35, when entering heating mode, hot operation
Medium enters vacuum impregnating liquid pipe 3 through hot operation medium inlet and outlet 35, water cooling tube 1 is flowed through, from low-temperature working medium inlet and outlet 13
Leave phase transformation equalizing plate structure.
Above embodiment is certain embodiments of the invention, is not intended to limit implementation and interest field of the invention,
The equivalence changes and modification that content described in all ranges of patent protection according to the present invention is made, should all be included in Shen of the present invention
It please be in the scope of the patents.
Claims (10)
1. a kind of phase transformation soaking plate structure of integrated water-cooling system characterized by comprising
Water cooling tube (1), both ends are provided with working media inlet and outlet connectors;
Vacuum impregnating liquid pipe (3), the inner cavity of the vacuum impregnating liquid pipe (3) pass through the isolated part being axially arranged and are divided into closing chamber and open
Oral cavity, the both ends sealing of the closing chamber, the both ends of the atrium are provided with working media inlet and outlet connectors;
Several harmonica-shaped tubes (2) are evenly spaced apart connection along its length and are arranged in the water cooling tube (1) and vacuum impregnating liquid pipe (3)
Between, in an end closure of the harmonica-shaped tube (2) and sealing insertion water cooling tube (1);Another end opening and sealing are inserted into described true
The closing chamber of empty liquid injection pipe (3), closing chamber interconnect with the harmonica-shaped tube (1) inner chamber body, the harmonica-shaped tube (2) and closing chamber
Inside it has been filled with phase-change working substance.
2. the phase transformation soaking plate structure of integrated water-cooling system according to claim 1, which is characterized in that the water cooling tube
(1) include:
Water cooling tube bottom plate (11) has been positioned apart from several identical with harmonica-shaped tube (2) cross section outer profile slotting along length discovery
Hole;
Water cooling tube lid (12) fastens the water cooling tube medium channel that sealing is collectively formed in setting with the water cooling tube bottom plate (11);
Low-temperature working medium inlet and outlet (13) is fixed at water cooling tube lid (12) both ends and is connected with the medium channel
It is logical.
3. the phase transformation soaking plate structure of integrated water-cooling system according to claim 1, which is characterized in that the vacuum impregnating
Liquid pipe (3) includes:
It closes chamber lid (31), has been positioned apart from several jacks identical with harmonica-shaped tube (2) cross section outer profile along length discovery;
It is open chamber lid (33), fastens the liquid injection pipe medium channel that sealing is collectively formed in setting with closing chamber lid (31);
Partition (32) is arranged between the closing chamber lid (31) and opening chamber lid (33) along its length by the note of the sealing
Liquid pipe medium channel is divided into the closing chamber and atrium;
Vacuum liquid filling mouth (34), setting are but connected with the closing chamber in described closing chamber lid (31) one end;
Hot operation medium inlet and outlet (35) is arranged at the opening chamber lid (33) both ends and is connected with the atrium.
4. the phase transformation soaking plate structure of integrated water-cooling system according to claim 1, which is characterized in that the harmonica-shaped tube
(2) inside is evenly spaced apart to be provided in the width direction several and harmonica-shaped tube (2) length direction parallel and perpendicular to institute
Inside division is several parallel with the harmonica-shaped tube (2) length direction by the parallel reinforcing rib for stating harmonica-shaped tube (2) thickness direction
Microchannel, an end closure of the microchannel, the other end keep opening.
5. the phase transformation soaking plate structure of integrated water-cooling system according to claim 1, which is characterized in that the working media
For the mixed liquor of water and ethylene glycol;The phase-change working substance is phase-change liquid material.
6. a kind of manufacturing method of the phase transformation soaking plate structure of integrated water-cooling system, which is characterized in that comprising steps of
Blanking: manufacture and water cooling tube (1) and vacuum impregnating liquid pipe (3) blanking including harmonica-shaped tube (2);
Punching: punching forms jack on water cooling tube bottom plate (11) and vacuum liquid filling duct occlusion chamber lid (31) plate;
Bending: water cooling tube lid (12), vacuum liquid filling duct occlusion chamber lid (31), vacuum liquid filling tube opening are processed by panel beating
Chamber lid (33) external form;
Mouth organ channel closure: sealing processing is carried out to one end of the harmonica-shaped tube;
Harmonica-shaped tube positioning: on harmonica-shaped tube (2) surface and water cooling tube bottom plate (11) and vacuum liquid filling channel closure chamber lid (31) junction
Solder is coated, several harmonica-shaped tubes (2) are positioned to clamping, the sealing for the harmonica-shaped tube (2) that locating clip is pulled tight as needed using fixture
In the jack of end insertion water cooling tube bottom plate (11), open end is inserted into the jack of the vacuum liquid filling channel closure chamber lid (31);
Component connection: the harmonica-shaped tube having good positioning (2) and water cooling tube bottom plate (11), vacuum liquid filling channel closure chamber lid (31) are put into furnace
Middle heating welding after the completion of welding, removes fixture, by water cooling tube (1) and vacuum impregnating liquid pipe (3) other assemblies same water cooling tube respectively
Bottom plate (11) and vacuum liquid filling channel closure chamber lid (31) welding;
Vacuum pumping liquid injection sealing: harmonica-shaped tube (2) internal cavity is carried out through vacuum liquid filling mouth (34) using vacuum pumping liquid injection equipment
It vacuumizes, inject a certain amount of phase-change working substance after reaching certain vacuum degree and sealing processing is carried out to the vacuum liquid filling mouth (34).
7. manufacturing method according to claim 6, which is characterized in that after the vacuum pumping liquid injection sealing, further comprise the steps of:
Detection: detection includes heat transfer property detection and reliability detection;
Product handling system: product handling system, including cleaning, surface passivation, surface insulation processing are carried out to the qualified product of detection.
8. manufacturing method according to claim 6, which is characterized in that carry out sealing processing to the vacuum liquid filling mouth (34)
Specifically true mouth liquid injection port pressure welding is sealed using mold, argon arc welding secondary sealing is recycled to guarantee sealing reliability.
9. manufacturing method according to claim 6, which is characterized in that the blanking includes: to be shaped to by squeezing aluminium ingot
The inside of both ends open has the harmonica-shaped tube of microchannel, and according to length requirement cut-to-length;Go out water cooling tube by sheet metal forming
(1) and the external form that needs of each component of vacuum impregnating liquid pipe (3);Cut working media inlet and outlet connectors.
10. manufacturing method according to claim 6, which is characterized in that carry out sealing processing to one end of the harmonica-shaped tube
Specifically harmonica-shaped tube (2) one end pressure welding is sealed using oil pressure bed and mold, recycles the modes such as Laser Welding or argon arc welding that will seal
Mouth will weld again, to guarantee to seal reliability.
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