CN209266529U - New-energy automobile aluminium and aluminium alloy rise pattern liquid cooling plate and new energy car battery packet - Google Patents
New-energy automobile aluminium and aluminium alloy rise pattern liquid cooling plate and new energy car battery packet Download PDFInfo
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- CN209266529U CN209266529U CN201821832528.5U CN201821832528U CN209266529U CN 209266529 U CN209266529 U CN 209266529U CN 201821832528 U CN201821832528 U CN 201821832528U CN 209266529 U CN209266529 U CN 209266529U
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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
Rise pattern liquid cooling plate and new energy car battery packet the utility model discloses a kind of new-energy automobile aluminium and aluminium alloy, which includes that upper layer surface plate (1), lower layer's pressure rise type panel (2) and water nozzle (3)；Lower layer's pressure, which rises, to be laid with water route (4) on type panel (2), and the water nozzle (3) is respectively arranged at the water inlet and water outlet in the water route (4)；The upper layer surface plate (1) and lower layer's pressure, which rise, to be fixedly connected between type panel (2).Liquid cooling plate provided by the utility model uses slab construction, directly it can be bonded with battery pack mould group surface, be located at outside battery pack, and water route is set between plate, avoid because water route leakage due to cause battery pack short circuit caused by it is on fire, explosion situations such as；It forms plane contact when being bonded it with battery pack mould group surface between the two, increases the contact area between mould group and liquid cooling plate, keep cooling effect more preferable since the liquid cooling plate uses slab construction.
Description
Technical field
The utility model relates to a kind of liquid cooling plate and battery packs, rise more particularly, to a kind of new-energy automobile aluminium and aluminium alloy
Pattern liquid cooling plate and new energy car battery packet.
Background technique
According to energy consumption prediction of speed, after the year two thousand twenty, will go out between global demand of petroleum and conventional oil supply
Now net notch.Although the world actually can be difficult to reach any firm conclusions always with judgement in how many years for Global Oil reserves, based on stone
The scarcity of fossil fuel based on oil and non-renewable, the energy problem of global facing has surmounted already to price
Worry, how to get rid of the constraint of traditional energy, become influence future world political economy development a large focal spot problem.
In terms of environment, the discharge amount of carbon dioxide increases year by year, and scholarly forecast, the year two thousand thirty, CO2 emission will increase to
42300000000 tons.Under being substantially improved of environmental consciousness, it is dynamic that national governments pass through the stringent discharge standard of formulation, Development of Novel one after another
Power fuel, implementation emission reduction plan carry out restricting vehicle tail gas pollution.In recent years, the R&D intensity and industrialization of global new-energy automobile
Process has apparent topic liter, under each major premise and requirement, predicts that following 5-10 will be that new-energy automobile enters greatly
The important stage of scale industrialization, and flourishing for entire industrial chain will be driven.
China carries out subsidies granted for policy considerations in order to promote the development of new-energy automobile, to new-energy automobile.For passenger car, skill
Art requires to be mainly battery pack energy density, and threshold is promoted to 105Wh/kg, but the corresponding subsidy of 105-120Wh/kg from 95Wh/kg
Regulation coefficient is only 0.6, is 1 to 120-140Wh/kg coefficient, and to 140-160Wh/kg and 160Wh/kg or more coefficient of correspondence
Respectively 1.1 and 1.2 times；
The electrokinetic cell system that new-energy automobile uses is mainly by battery modules, battery case, high pressure management system, low pressure
The composition such as management system, heat management system.
Generally, for occupation rate of market 85% lithium ion battery optimal use temperature between 20-30 degree, just
Being often used temperature should keep between 0-45 degree, and when battery core temperature is less than 0 degree, phenomena such as analysing lithium easily occurs in charging process；When
Temperature is greater than 55 degree, and lithium-ion electric core cycle life can sharply decline, and only guaranteed battery system is at reasonable temperature, ability
Enough safe and efficient operations.
Heat management system is mainly made of pipe-line system and plate circuit system.In general, plate circuit system footprint is in battery mould
Group lower section, plays the role of heating module in 0 degree or less charging；Mould group sudden discharge, causes electricity in high-power driving process
Core temperature is excessively high, at this point, cooling plate circuit system plays the role of cooling mould group/battery core temperature, guarantees battery pack in the temperature of safety
The lower electric discharge of degree.Cooling line undertakes afflux function, and the total water inlet of water and battery pack in plate circuit or total water outlet are connected.
The cooling system and battery pack developed in industry at present generally have following features:
1. cooling system is generally divided into cooling plate circuit and cooling line, need to be assembled between the two, it is close at Assembly interface
Feng Xingnan, which is moved, to be guaranteed, especially the leakage in high/low temperature alternation and shock loads；Meanwhile the cost is relatively high for assembly.
2. fitting area and own wt.At present the biggish liquid cooling plate main way of fitting area be aluminium alloy extrusions or
The liquid cooling plate being brazed after punching press, for the profile liquid cooling plate of Friction Stir Welding, thickness, which generally requires, reaches 7-10mm, this
Kind structure type weight is larger, is unfavorable for the promotion of whole packet energy density.Fitting area is lesser mouth organ tubular type coldplate road,
The cooling plate circuit overall weight of this kind is relatively light, but is typically placed in inside battery case, smaller with module contact area, and heat is handed over
It is lower to change rate, while this kind of scheme generally uses soldering connection, whole design weight advantage using metal parts with afflux pipeline
Less.
Runner design is limited, and plate circuit cooling for harmonica-shaped tube, runner can only be along single direction, if being changed water route side
To generally requiring external pipeline and bridged.
Utility model content
In order to solve the problems of in the prior art, one of the purpose of this utility model be to provide one kind can be with
The fitting of battery pack mould group surface, the new-energy automobile aluminium and aluminium alloy for both increasing contact surface rise pattern liquid cooling plate.
The new-energy automobile aluminium and aluminium alloy the pattern liquid cooling plate that rises include that upper layer surface plate, lower layer's pressure rise type panel and water
Mouth；Lower layer's pressure, which rises, is laid with water route on type panel, and the water nozzle is respectively arranged at water inlet and the water outlet in the water route
At mouthful；The upper layer surface plate and lower layer's pressure, which rise, to be fixedly connected between type panel.
Liquid cooling plate provided by the utility model uses slab construction, can directly paste it with battery pack mould group surface
It closes, is located at outside battery pack, and water route is set between plate, avoid causes battery pack short circuit to cause because of water route leakage
It is on fire, explosion situations such as；It is since the liquid cooling plate uses slab construction, two when it is bonded with battery pack mould group surface
Plane contact is formed between person, increases the contact area between mould group and liquid cooling plate, keeps cooling effect more preferable.
Further, lower layer's pressure rises between type panel and the water route and/or is equipped between adjacent water route resistance
Mixture.It prevents from being bonded to each other between water route.
Further, the resistance mixture is graphite.
Further, the upper layer surface plate and/or lower layer's pressure rise type panel with a thickness of 0.3~3.5mm.
The utility model second purpose in this is to provide a kind of new energy car battery packet comprising upper housing, mould
Group, heat conductive pad, liquid cooling plate, supporting pad and lower case, the mould group are installed in the lower case, the heat conductive pad, the liquid
Cold plate and the supporting pad are laid between the bottom surface and the lower case of the mould group；The upper case cover is together in the lower casing
The mould group, the heat conductive pad, the liquid cooling plate and the supporting pad are installed on by the upper housing and the lower casing on body
In the cavity that body is constituted；The liquid cooling plate is that new-energy automobile aluminium provided by the utility model and aluminium alloy rise pattern liquid cooling
Plate.
The battery pack use liquid cooling plate provided by the utility model, due to the liquid cooling plate use slab construction, by its with
Battery pack mould group surface forms plane contact when being bonded between the two, increases the contact surface between mould group and liquid cooling plate
Product, keeps cooling effect more preferable, the temperature of battery pack rapidly can be stable at thermophilic state.
The beneficial effects of the utility model are: liquid cooling plate provided by the utility model uses slab construction, it can be direct
It is bonded with battery pack mould group surface, is located at outside battery pack, and water route is set between plate, avoids because of water
Road leak and cause battery pack short circuit caused by it is on fire, explosion situations such as；Its due to the liquid cooling plate use slab construction, by its with
Battery pack mould group surface forms plane contact when being bonded between the two, increases the contact surface between mould group and liquid cooling plate
Product, keeps cooling effect more preferable.
Detailed description of the invention
Fig. 1 is the exploded view of liquid cooling plate provided by the utility model；
Fig. 2 is structural schematic diagram of the liquid cooling plate provided by the present invention filled with resistance mixture；
Fig. 3 is the structural schematic diagram of liquid cooling plate provided by the utility model；
Fig. 4 is the structural schematic diagram of battery pack provided by the utility model；
In figure: the upper layer 1- surface plate, 2- lower layer pressure rise type panel, 3- water nozzle, the water route 4-, 5- upper housing, 6- mould group, 7-
Heat conductive pad, 8- liquid cooling plate, 9- supporting pad, 10- lower case.
Specific embodiment
The drawings and specific embodiments are combined to make the application technical solution claimed herein further details of
Explanation.
The application technical solution claimed herein includes two kinds, first is that the new energy for cooling down to battery pack
Source automobile aluminum and aluminium alloy rise pattern liquid cooling plate, structure；Second is that the new energy being made of the liquid cooling plate
Source automobile batteries packet, structure are as shown in Figure 4.
As shown in Figure 1, the liquid cooling plate includes that upper layer surface plate 1, lower layer's pressure rise type panel 2 and two water nozzles 3；Laminated
Power, which rises, is laid with water route 4 on type panel 2, and two water nozzles 3 are respectively arranged at the water inlet and water outlet in water route 4；Upper layer plane
Plate 1 and lower layer's pressure, which rise, to be fixedly connected between type panel 2.
Its at the middle and upper levels surface plate 1 and lower layer pressure rise type panel 2 can using the identical aluminium sheet of yield strength or aluminium strip,
Aluminium sheet or aluminium strip that can be different using yield strength, the application be herein using yield strength difference, as upper panel is adopted
With 3003 aluminium sheets, lower layer's plate circuit 2 uses 1060 aluminium sheets, avoids causing identical in process since the two yield strength is identical
Plastic deformation, not can guarantee between the two water route setting.
Fitting between water route 4 in order to prevent, on the basis of the above structure, the utility model rises type face in lower layer's pressure
Resistance mixture is equipped between plate 2 and water route 4 and/or between adjacent water route 4, which is graphite, naturally it is also possible to using existing
Machine is closed in the other resistances having.
In order to guarantee the weight of liquid cooling plate, the upper panel 1 of the liquid cooling plate in the utility model and the thickness of lower layer's plate circuit 2
Can be equal, it can not also wait, the two thickness can use 0.3~3.5mm, and avoiding causes when being installed in battery pack
The case where battery pack preponderance；The rise thickness of type panel 2 of certain upper layer surface plate 1 and lower layer's pressure is not limited to the application and is remembered
Upper layer surface plate can be arranged in the thickness of load according to the actual situation, lower layer's pressure rises the thickness of type panel.
Liquid cooling plate provided by the utility model has the advantage that
1. fitting area is larger, hot heat transfer efficiency is high, and lightweight is good.Compared with the liquid for the large area fitting that thickness reaches 7-10mm
50% or more the liquid cooling plate weight saving of cold plate or punching press soldering connection, the energy density of the whole packet of the battery of raising.Compared with harmonica-shaped tube
Soldering formula liquid cooling plate, doubles above with battery modules/battery core contact area, substantially increases heat exchange efficiency.
2. runner design freedom degree is high, it is not limited to design freely with long range single direction in two-dimensional surface, water route.
3. reducing jointing size, scheme of more traditional liquid cooling plate in conjunction with water cooling pipeline, the type product integrated level
Height, integrated upper lower aluminum sheet includes branch and main road water flow, is avoided using header, the more traditional cooling system cost decline of cost
30% or more.
As shown in figure 4, the new energy car battery packet of the requires of the utility model protection, including it is upper housing 5, mould group 6, thermally conductive
Pad 7, liquid cooling plate 8, supporting pad 9 and lower case 10, mould group 6 are installed in lower case 10, heat conductive pad 7, liquid cooling plate 8 and supporting pad 9
It is laid between the bottom surface of mould group 6 and lower case 10, specifically between 8 supporting pads 9 of liquid cooling plate and heat conductive pad 7, supporting pad 9
Between liquid cooling plate 8 and lower case 10；Upper housing 5 is covered on mould group 6, heat conductive pad 7, liquid cooling plate 8 and support in lower case 10
Pad 9 is installed in the cavity being made of upper housing 5 and lower case 10；Liquid cooling plate 8 is new energy vapour provided by the utility model
Vehicle aluminium and aluminium alloy rise pattern liquid cooling plate.
8 plane abutment mould group 6 of liquid cooling plate is arranged the battery pack, forms plane contact between the two.
Water in liquid cooling plate provided herein in water route 4 realizes flowing replacement by water nozzle 3, realizes cooling effect.
Liquid cooling plate provided by the utility model is used in battery pack provided by the utility model, since the liquid cooling plate is double
The design of face structure, material is aluminum and aluminum alloy board material, and surface plate carries out heat with mould group/battery core contact by heat conductive pad at the middle and upper levels
Transmitting, this kind of design structure are suitable for square electric cell, cylindrical battery core and soft pack cell mould group.Lower layer's pressure rises by type panel as water
The road region Zhang Xing ensure that water flow distributes flow velocity and flow according to the actual demand of heat management；Water nozzle is flat with upper layer by welding
The rise water channel of type panel formation of panel and lower layer pressure connects.
Documented liquid cooling plate is made up of the pressure type that rises in the utility model, specifically includes the following steps:
Step 1: uncoiling generally carries out unwinding op to aluminium coiled strip using single-cantilever uncoiler；If raw material are to use
Aluminium plate does not need then using uncoiler, herein using aluminium coiled strip as raw material mode；Upper layer surface plate 1 uses aluminium herein
Alloy 3003, lower layer's pressure rise by type panel 2 herein using aluminium alloy 1060；
Step 2: smooth for the first time, coiled material or plate smoothed by levelling machine, guarantee later period upper layer surface plate 1 and under
Stressor layer rises the fitting quality of type panel 2:
Step 3: blank according to the actual situation cuts off raw material material, leaves formed product surplus；
Step 4: polishing places the lower plane of the upper layer surface plate 1 of form to final products state and lower layer's pressure rises type
The upper plane of panel 2 is polished, and is increased contact surface area, is improved surface contact force；
Step 5: cleaning rises type panel 2 to upper layer surface plate 1, lower layer's pressure by way of washing or wind cleaning
Buffed surface is cleaned, and prevents the residue generated after polishing from influencing subsequent rolling process on surface；
Step 6: silk-screen printing coating, since subsequent handling needs to roll doubling plate, water route part in order to prevent
Fitting, on upper layer, surface plate 1 rises by the one side of type panel 2 relative to lower layer's pressure or lower layer's pressure rises by type panel 2 relative to upper
The fillers such as graphite can be used as resistance mixture in the one side coating resistance mixture of layer plane plate 1, and the position of resistance mixture filling is
The position of water route arrangement, as shown in Fig. 2 bend dash area；
Step 7: resistance mixture solidification, the resistance mixture of coating is semi liquid state state, therefore need to be solidified to it；It uses herein
Mode is that the resistance mixture of semi liquid state is carried out to heated baking, generally toasts 2~8min by 200~350 ° of temperature, makes half liquid
The resistance mixture of state is solidificated in metal material surface；
Step 8: doubling plate is fixed, and before next procedure rolling, should rise by upper layer surface plate 1, lower layer's pressure type panel 2
Edge area be fixed, prevent the relative position of doubling plate during the rolling process from misplacing, influence the final form of product；
Determine in general fixed point, fixed point place pan feeding side during the rolling process according to the shape of product；Upper layer surface plate 1,
The rise fixation of type panel 2 of lower layer's pressure generally can make two layers of aluminum alloy materials be entrenched togather by the way that punching press is embedded；
Step 9: rolling, the rise fixing end of type panel 2 of upper layer surface plate 1, lower layer's pressure enter heating furnace as pan feeding side
It is heated, heating temperature is generally regulated and controled at 350~600 ° according to the performance of material, increases the ductility of material；In rolling
In the process, doubling plate can be extended to 1.2~5 times of original state, since upper layer surface plate 1, lower layer's pressure the type panel 2 that rises are rolling
Process processed closely fits together, while the surface area contacted polishes to have obtained significant increase due to preceding processes,
The rise binding force of type panel 2 of upper layer surface plate 1, lower layer's pressure is guaranteed；For applying the region of resistance mixture, rolling can not make
Layer plane plate 1 and lower layer's pressure the type panel 2 that rises are bonded, which will form water route during packing pressure rises by type；It rolls
Upper layer surface plate 1 and lower layer's pressure after system rise by type panel 2 with a thickness of 0.3-3.5mm；
Step 10: annealing, after rolling deformation, material internal stress is larger, and surface smoothness is poor, while being difficult to school
It is flat；
Step 11: second smooths, since surface plate 1 and lower layer's pressure the type panel 2 that rises produce the operation of rolling at the middle and upper levels
Biggish plastic deformation, surface smoothness are difficult to reach product requirement；Utilize the pressure roller of multi-pass by upper layer surface plate 1 herein
It meets the requirements with the lower layer pressure 2 surface school type of type panel that rises to upper layer surface plate 1 and lower layer's pressure the type panel 2 that rises；
Step 12: suppressing the through flow hole that rises, pressure rises the high pressure gas of hole forming process or the through flow hole of highly pressurised liquid, such as schemes
Shown in 3 circles, this through flow hole is also the inlet and outlet in water route；Generally use the modes such as punching press or drilling by the hole
It gets；The position of through flow hole is in the inlet and outlet position of main waterway；
Step 13: rise type, different according to the strength of materials and thickness, and gas or 2bar or more the liquid for being passed through 2-15bar are logical
Through flow hole is crossed to be filled between plate up and down, since the region coating being connected inside liquid cooling plate with through flow hole has resistance mixture,
High pressure gas or liquid can be filled into all water route regions (region of full-filling barrier), and lower layer's aluminium sheet after general annealing is bent
The aluminium sheet yield strength that intensity is far below upper layer is taken, during pressure rises by type, plasticity shape occurs for the aluminium sheet of the lower layer of product
Become, forms flow channel for liquids；Product upper layer aluminium sheet is bonded with plate tooling, guarantees the upper layer aluminium sheet for the product that pressure rises during type
Indeformable or minimum deformation；In production, plate tooling generally in lower section, be inverted by product, and the upper panel of product is put down with following
The fitting of plate tooling.The region the lower layer of product non-water route Zhang Xing needs to fix, and the flatness of product is influenced during the type that prevents from rising；
Step 14: cutting, neat part non-around product is cut off, guarantee that upper layer surface plate 1 and lower layer's pressure rise
The outer edge form of type panel 2, including the gas fabrication holes such as hole that rise require to carry out cutting processing；Cutting processing is generally using punching
Bed, plate shearing machine or other nonstandard cutting class mechanisms；
Step 15: die mould, through the molding liquid cooling plate of step 14, layer plane plate 1 and lower layer's pressure the type panel 2 that rises have portion thereon
The characteristic faces such as convex-concave or flanging existing for subregion need to complete in die mould technique；
Step 16: and water nozzle 3 is welded at through flow hole, constitute water pipe head.
Above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, those of ordinary skill in the art couple
The modification or equivalent replacement that the technical solution of the utility model is made, without departing from the spirit of the technical solution of the utility model
And range, it is encompassed by the scope of the claims of the utility model.
Claims (9)
- The pattern liquid cooling plate 1. a kind of new-energy automobile aluminium and aluminium alloy rise, it is characterised in that: the liquid cooling plate includes upper layer surface plate (1), lower layer's pressure rises type panel (2) and water nozzle (3)；Lower layer's pressure, which rises, to be laid with water route (4) on type panel (2), described Water nozzle (3) is respectively arranged at the water inlet and water outlet in the water route (4)；The upper layer surface plate (1) and the laminated Power, which rises, to be fixedly connected between type panel (2).
- The pattern liquid cooling plate 2. new-energy automobile aluminium according to claim 1 and aluminium alloy rise, it is characterised in that: the lower layer Pressure rises between type panel (2) and the water route (4) and/or is equipped with resistance mixture between adjacent water route (4).
- The pattern liquid cooling plate 3. new-energy automobile aluminium according to claim 2 and aluminium alloy rise, it is characterised in that: the resistance is closed Agent is graphite.
- The pattern liquid cooling plate 4. new-energy automobile aluminium according to claim 1 or 2 or 3 and aluminium alloy rise, it is characterised in that: institute State upper layer surface plate (1) and/or lower layer's pressure rise type panel (2) with a thickness of 0.3~3.5mm.
- 5. a kind of new energy car battery packet, it is characterised in that: the battery pack includes upper housing (5), mould group (6), heat conductive pad (7), liquid cooling plate (8), supporting pad (9) and lower case (10), the mould group (6) is installed in the lower case (10), described to lead Heat pad (7), the liquid cooling plate (8) and the supporting pad (9) be laid in the mould group (6) bottom surface and the lower case (10) it Between；The upper housing (5) is covered on the mould group (6), the heat conductive pad (7), the liquid cooling plate on the lower case (10) (8) it is installed in the cavity being made of the upper housing (5) and the lower case (10) with the supporting pad (9)；The liquid cooling Plate (8) is that new-energy automobile aluminium and aluminium alloy described in claim 1-4 any one rise pattern liquid cooling plate.
- 6. new energy car battery packet according to claim 5, it is characterised in that: the liquid cooling plate (8) is located at the branch Between stake pad (9) and the heat conductive pad (7).
- 7. new energy car battery packet according to claim 5 or 6, it is characterised in that: the heat conductive pad (7) is located at described Between liquid cooling plate (8) and the mould group (6).
- 8. new energy car battery packet according to claim 5 or 6, it is characterised in that: the supporting pad (9) is located at described Between liquid cooling plate (8) and the lower case (10).
- 9. new energy car battery packet according to claim 7, it is characterised in that: the supporting pad (9) is located at the liquid Between cold plate (8) and the lower case (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821832528.5U CN209266529U (en) | 2018-11-07 | 2018-11-07 | New-energy automobile aluminium and aluminium alloy rise pattern liquid cooling plate and new energy car battery packet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821832528.5U CN209266529U (en) | 2018-11-07 | 2018-11-07 | New-energy automobile aluminium and aluminium alloy rise pattern liquid cooling plate and new energy car battery packet |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109361037A (en) * | 2018-11-07 | 2019-02-19 | 凌云工业股份有限公司上海凌云汽车研发分公司 | New energy car battery packet liquid cooling plate rises type forming method and fluid tight detection method |
| CN112371822A (en) * | 2020-10-26 | 2021-02-19 | 深圳市飞荣达科技股份有限公司 | Sectional machining method for expansion plate |
| CN113206313A (en) * | 2021-03-24 | 2021-08-03 | 浙江合众新能源汽车有限公司 | Battery structure for inhibiting thermal runaway spreading of battery pack |
| CN114985859A (en) * | 2022-05-31 | 2022-09-02 | 江苏文轩热管理系统有限公司 | Production process of stamping type liquid cooling plate |
-
2018
- 2018-11-07 CN CN201821832528.5U patent/CN209266529U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109361037A (en) * | 2018-11-07 | 2019-02-19 | 凌云工业股份有限公司上海凌云汽车研发分公司 | New energy car battery packet liquid cooling plate rises type forming method and fluid tight detection method |
| CN112371822A (en) * | 2020-10-26 | 2021-02-19 | 深圳市飞荣达科技股份有限公司 | Sectional machining method for expansion plate |
| CN112371822B (en) * | 2020-10-26 | 2022-06-03 | 深圳市飞荣达科技股份有限公司 | Sectional machining method for expansion plate |
| CN113206313A (en) * | 2021-03-24 | 2021-08-03 | 浙江合众新能源汽车有限公司 | Battery structure for inhibiting thermal runaway spreading of battery pack |
| CN114985859A (en) * | 2022-05-31 | 2022-09-02 | 江苏文轩热管理系统有限公司 | Production process of stamping type liquid cooling plate |
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| TR01 | Transfer of patent right |
Effective date of registration: 20210303 Address after: 201708 5th floor, block a, No. 99, Huawei Road, Huaxin Town, Qingpu District, Shanghai Patentee after: Shanghai Lingyun Industrial Technology Co.,Ltd. Lingyun automobile technology branch Address before: 201708 4th floor, area a, 99 Huawei Road, Huaxin Town, Qingpu District, Shanghai Patentee before: SHANGHAI LINGYUN AUTOMOBILE R&D BRANCH OF LINGYUN INDUSTRIAL Corp.,Ltd. |
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