CN106711370A - Battery box lower tray - Google Patents
Battery box lower tray Download PDFInfo
- Publication number
- CN106711370A CN106711370A CN201611249603.0A CN201611249603A CN106711370A CN 106711370 A CN106711370 A CN 106711370A CN 201611249603 A CN201611249603 A CN 201611249603A CN 106711370 A CN106711370 A CN 106711370A
- Authority
- CN
- China
- Prior art keywords
- lower tray
- battery case
- case lower
- plug
- battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/256—Carrying devices, e.g. belts
-
- 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)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention provides a battery box lower tray, which relates to the field of new energy automobiles. The battery box lower tray comprises a lower tray body, a first plug and a second plug, wherein the lower tray body, the first plug and the second plug are extrusion aluminum-type materials and are welded into a whole through friction stirring; a cavity is arranged in the lower tray body; the first plug and the second plug are welded to two ends of the lower tray body, so that the battery box lower tray forms an S-shaped through channel. The battery box lower tray provided by the invention is not provided with an independent liquid cooling plate and a pipeline system, and is good in performance, safe, reliable, and convenient to maintain.
Description
Technical field
The present invention relates to new-energy automobile field, more particularly to a kind of battery case lower tray.
Background technology
Increasingly serious, people environmental consciousnesses with Energy situation are gradually strengthened, and electric motor car is also increasingly subject to full society
The attention of meeting, what is driven therewith is that electric bicycle power system technologies are continually developed and improved.Electrokinetic cell is used as electricity
Most important most sensitive critical component in origin system, if obtain good application, directly influence the performance of electric automobile.It is dynamic
The performance of power battery is more sensitive to temperature change, particularly Large Copacity, high-power lithium ion battery, and due to most battery
Bag space is limited, compact conformation, and quite closely, when vehicle is with different operating mode downward drivings, battery meeting output is a large amount of for battery arrangement
Heat；Along with accumulated time and spacial influence, uneven heat can be produced to assemble, so as to cause battery operation environment complicated many
Become.Put because battery is intensive, zone line heat aggregation, fringe region is less, each monomer temperature is uneven in causing battery bag
Weighing apparatus, aggravation each battery module monomer internal resistance and capacity are inconsistent.Accumulate for a long time, percentage of batteries can be caused to overcharge and cross and put, enter
And performance and the life-span of battery are influenceed, serious meeting causes potential safety hazard.
At present, in order that module plays optimum performance and life-span, current main flow depot is all in actively research and development in battery bag
Increase heat management system, the cold temperature environment to control battery operation of air-cooled or liquid.But from performance, cost and complex structure
From the point of view of degree, air-cooled efficiency is low, and power consumption is serious, not as the cold mode economical rationality of liquid；Current most of producers use liquid cooling plate
Plus the integrated mode of pipeline, liquid cooling plate complex structure, high cost, and cause leakage probability big pipe joint more, there is a Dingan County
Full hidden danger.
The content of the invention
It is an object of the present invention to provide a kind of battery case lower tray, can not be charged in low temperature with solving battery,
Temperature too high climate control issues during electric discharge.
It is an object of the present invention to provide one kind without independent liquid cooling plate, without pipe-line system, performance is good, safe and reliable,
Be easy to safeguard can load-bearing liquid cooling system component.
Especially, the invention provides a kind of battery case lower tray, including：Subiculum disc main body, the first plug and second are blocked up
Head, the subiculum disc main body, the first plug and the second plug are extruded aluminium section and are integrated by agitating friction weldering spelling；It is described
There is die cavity, first plug and the second plug weld spelling at the subiculum disc main body two ends respectively in subiculum disc main body so that
The battery case lower tray forms " S " type through channel.
Further, the lower tray body interior is provided with air cavity, and the air cavity is located at the lower tray body interior
Away from the side of battery modules.
Further, the quantity of the air cavity is one layer.
Further, the quantity of the air cavity is multilayer.
Further, the battery case lower tray is provided with intake-outlet joint.
Further, the intake-outlet joint is fixedly installed on to have in first plug, first plug and connects
Lead to the plug passage of the intake-outlet joint and " S " the type through channel.
Further, the battery case lower tray also includes side plate.
Further, the week side of boss of the plate-side plate welding and the battery case lower tray.
Further, the battery case lower tray also includes being arranged between the battery case lower tray and battery modules
Insulating heat-conductive pad.
Further, the battery case lower tray is provided with the fixing hole for battery modules to be locked.
The present invention provide battery case lower tray, its be spelled by agitating friction weldering using extruded aluminium section it is integral,
Runner circulation coolant can be formed in section bar cavity, and then completes a kind of structure of heat or cool.Extruded aluminium section
After plate weld is good, two ends are got through by dise knife, and then two ends form " S " type insertion water route in welding plug, are arranged as required to
The position of intake-outlet joint.
The battery case lower tray that the present invention is provided, is additionally provided with air cavity, and its effect has at 2 points：One is enhancing structure intensity；
Two is that air hinders heat transfer to give case outer medium in cavity, serves the effect of heat-insulation and heat-preservation, strengthens heat management system efficiency.
The battery case lower tray that the present invention is provided, simple structure is easy to assembly, low cost, reduces disclosure risk.
According to the accompanying drawings to the detailed description of the specific embodiment of the invention, those skilled in the art will be brighter
Of the invention above-mentioned and other purposes, advantages and features.
Brief description of the drawings
Describe some specific embodiments of the invention in detail by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter.
Identical reference denotes same or similar part or part in accompanying drawing.It should be appreciated by those skilled in the art that these
What accompanying drawing was not necessarily drawn to scale.In accompanying drawing：
Fig. 1 is the schematic diagram of battery case lower tray according to an embodiment of the invention and battery modules；
Fig. 2 is the schematic diagram of battery case lower tray shown in Fig. 1；
Fig. 3 is the vertical section schematic diagram of the body of battery case lower tray shown in Fig. 1.
Specific embodiment
Fig. 1 is the schematic diagram of battery case lower tray according to an embodiment of the invention and battery modules.Fig. 2
It is the schematic diagram of battery case lower tray shown in Fig. 1.With reference to a kind of battery case that Fig. 1 and Fig. 2 is provided the present invention
Lower tray is described in detail.A kind of battery case lower tray 1 that the present invention is provided, its week side of boss includes side plate 18.Side plate 18 and electricity
The week side of boss of pond case lower tray 1 is fixedly connected, and it is fixedly connected mode and is preferably welding, and side plate 18 can play fixed cover, draw
Connector etc. is acted on.It is used for placing battery module 2 in the side plate 18 of battery case lower tray 1 and battery case lower tray 1.
Battery case lower tray 1 includes：Subiculum disc main body 11, the first plug 12 and the second plug 13.Subiculum disc main body 11,
One plug 12 and the second plug 13 are extruded aluminium section and are integrated by agitating friction weldering spelling；Tool in the subiculum disc main body 11
There is die cavity 14, the plug 13 of first plug 12 and second welds spelling at the two ends of subiculum disc main body 11 respectively so that battery case
Lower tray 1 forms " S " type through channel.Subiculum disc main body 11 is upper and lower two-layer extrudate plate, by agitating friction weldering, is turned into
One piece of inside has the overall platy structure of die cavity 14.Adjacent profiled ends are cut by dise knife at the two ends of subiculum disc main body 11
Remove, then welded with the first plug 12 and the second plug 13 respectively, so that the adjacent die cavity inside subiculum disc main body 11
14 are interconnected, and form " S " type through channel, the logical coolant of runner can be formed in " S " type through channel, and then complete heating
Or a kind of structure of refrigerating function.
Further, battery case lower tray 1 is provided with intake-outlet joint 16.Intake-outlet joint 16 is fixedly installed on
There is the plug of the connection intake-outlet joint 16 and " S " the type through channel in one plug 12, first plug 12
Passage 17.In a specific embodiment, the position of intake-outlet joint 16 may be located at any place of the first plug 12,
Its water inlet connection and water outlet joint can be arranged on adjacent or position away from each other.Preferably, intake-outlet connects
First 16 are disposed adjacent in the center of the first plug 12.
Further, as shown in figure 3, Fig. 3 is the vertical section schematic diagram of battery case lower tray body shown in Fig. 1.Lower tray
Main body 11 is internally provided with air cavity 15, and the air cavity 15 is located at the side away from battery modules inside the subiculum disc main body 11.
The quantity of the air cavity 15 can be one layer or multilayer.Air in air cavity 15 hinders heat transfer to give case outer medium, plays
The effect of heat-insulation and heat-preservation, strengthens heat management system efficiency.Air cavity 15 can also effective enhancing structure intensity.In figure 3 only
The quantity for showing air cavity 15 is one layer of structural representation, and those skilled in the art can suitably increase the number of plies of air cavity 15,
To reach more excellent effect of heat insulation.
In a specific embodiment, the battery case lower tray 1 also includes being arranged at the battery case lower tray 1
With the insulating heat-conductive pad (not shown) between battery modules 2.Insulating heat-conductive pad is used to transmit the heat of battery modules.
In a specific embodiment, the battery case lower tray 1 is provided with for consolidating of locking battery modules 2
Determine hole 19.Fixing hole 19 can effectively tighten battery modules 2, prevent rocking for battery modules 2.
In actual production, the lower tray body 11 of battery case lower tray 1 is stirred by upper and lower two-layer extrudate plate and rubbed
Weldering is wiped, as one piece of integral slab；Integral slab two ends cut off adjacent profiled ends by dise knife, then two ends welding plug；
The inside upper strata of lower tray body 11 forms S types and connects water route for coolant flow；The inside lower floor of lower tray body 11 is section bar
Cavity, stored air, the effect with heat-insulation and heat-preservation；If only individual layer, i.e. only cooling liquid flowing channel, then without heat insulation cavity.
Further according to needing to weld intake-outlet joint, connect with vehicle, form complete liquid cooling system；Lower tray body 11
Surrounding welds L-type extrudate, forms a complete battery case lower box structure；
Battery modules are bolted on lower box, and insulating heat-conductive pad is padded between module and lower box, play absorption
Tolerance, transmits the effect of heat；
Full-vehicle control enters the coolant temperature of battery lower box by sensor and strategy adjustment, so play heating or
The effect of battery modules is cooled down, and then to extension battery, it is to avoid thermal runaway, plays good action.
The present invention provide battery case lower tray, its be spelled by agitating friction weldering using extruded aluminium section it is integral,
Runner circulation coolant can be formed in section bar cavity, and then completes a kind of structure of heat or cool.Extruded aluminium section
After plate weld is good, two ends are got through by dise knife, and then two ends form " S types " insertion water route in welding plug, are arranged as required to
The position of intake-outlet joint.
The battery case lower tray that the present invention is provided, is additionally provided with air cavity, and its effect has at 2 points：One is enhancing structure intensity；
Two is that air hinders heat transfer to give case outer medium in cavity, serves the effect of heat-insulation and heat-preservation, strengthens heat management system efficiency.
The battery case lower tray that the present invention is provided, simple structure is easy to assembly, low cost, reduces disclosure risk.
So far, although those skilled in the art will appreciate that detailed herein have shown and described multiple of the invention and show
Example property embodiment, but, without departing from the spirit and scope of the present invention, still can be direct according to present disclosure
It is determined that or deriving many other variations or modifications for meeting the principle of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all these other variations or modifications.
Claims (10)
1. a kind of battery case lower tray, it is characterised in that including：Subiculum disc main body, the first plug and the second plug, the subiculum
Disc main body, the first plug and the second plug are extruded aluminium section and are integrated by agitating friction weldering spelling；The subiculum disc main body
It is interior with die cavity, first plug and the second plug weld spelling at the subiculum disc main body two ends respectively so that the battery case
Lower tray forms " S " type through channel.
2. battery case lower tray according to claim 1, it is characterised in that the lower tray body interior is provided with gas
Chamber, the air cavity is located at side of the lower tray body interior away from battery modules.
3. battery case lower tray according to claim 2, it is characterised in that the quantity of the air cavity is a layer.
4. battery case lower tray according to claim 2, it is characterised in that the quantity of the air cavity is multilayer.
5. battery case lower tray according to claim 1, it is characterised in that the battery case lower tray is provided with Inlet and outlet water
Mouth joint.
6. battery case lower tray according to claim 5, it is characterised in that the intake-outlet joint is fixedly installed on institute
Stating, there is the connection intake-outlet joint to lead to the plug of " S " the type through channel in the first plug, first plug
Road.
7. battery case lower tray according to claim 1, it is characterised in that the battery case lower tray also includes side plate.
8. battery case lower tray according to claim 7, it is characterised in that the plate-side plate welding and the battery case subiculum
The week side of boss of disk.
9. battery case lower tray according to claim 1, it is characterised in that the battery case lower tray also includes being arranged at
Insulating heat-conductive pad between the battery case lower tray and battery modules.
10. battery case lower tray according to claim 6, it is characterised in that the battery case lower tray be provided with for
The fixing hole that battery modules are locked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611249603.0A CN106711370B (en) | 2016-12-29 | 2016-12-29 | Battery box lower tray |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611249603.0A CN106711370B (en) | 2016-12-29 | 2016-12-29 | Battery box lower tray |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106711370A true CN106711370A (en) | 2017-05-24 |
| CN106711370B CN106711370B (en) | 2020-09-22 |
Family
ID=58904954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611249603.0A Active CN106711370B (en) | 2016-12-29 | 2016-12-29 | Battery box lower tray |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106711370B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105470421A (en) * | 2014-09-26 | 2016-04-06 | 福特全球技术公司 | Traction battery assembly |
| CN107195821A (en) * | 2017-06-06 | 2017-09-22 | 北京新能源汽车股份有限公司 | Battery container |
| CN113823871A (en) * | 2021-10-11 | 2021-12-21 | 宁波信泰机械有限公司 | Tray under integrated water cooling system's aluminium alloy battery box |
| CN113924683A (en) * | 2019-05-31 | 2022-01-11 | 住友精密工业株式会社 | Cooler-integrated battery tray for mobile body and battery device for mobile body |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201966304U (en) * | 2011-02-24 | 2011-09-07 | 上海空间电源研究所 | Radiating water cooling board for lithium-ion storage battery of electric automobile |
| CN202205826U (en) * | 2011-08-25 | 2012-04-25 | 比亚迪股份有限公司 | Battery pack and power supply system with same |
| CN104576995A (en) * | 2014-12-19 | 2015-04-29 | 上海迈道汽配有限公司 | New energy automobile battery pack bottom supporting plate |
| CN105280850A (en) * | 2014-07-24 | 2016-01-27 | 广州贝特缪斯能源科技有限公司 | Waterproof power battery box capable of intelligent heat management |
| JP2016170863A (en) * | 2015-03-11 | 2016-09-23 | ダイキョーニシカワ株式会社 | Cooling structure of heating element |
-
2016
- 2016-12-29 CN CN201611249603.0A patent/CN106711370B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201966304U (en) * | 2011-02-24 | 2011-09-07 | 上海空间电源研究所 | Radiating water cooling board for lithium-ion storage battery of electric automobile |
| CN202205826U (en) * | 2011-08-25 | 2012-04-25 | 比亚迪股份有限公司 | Battery pack and power supply system with same |
| CN105280850A (en) * | 2014-07-24 | 2016-01-27 | 广州贝特缪斯能源科技有限公司 | Waterproof power battery box capable of intelligent heat management |
| CN104576995A (en) * | 2014-12-19 | 2015-04-29 | 上海迈道汽配有限公司 | New energy automobile battery pack bottom supporting plate |
| JP2016170863A (en) * | 2015-03-11 | 2016-09-23 | ダイキョーニシカワ株式会社 | Cooling structure of heating element |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105470421A (en) * | 2014-09-26 | 2016-04-06 | 福特全球技术公司 | Traction battery assembly |
| CN107195821A (en) * | 2017-06-06 | 2017-09-22 | 北京新能源汽车股份有限公司 | Battery container |
| CN113924683A (en) * | 2019-05-31 | 2022-01-11 | 住友精密工业株式会社 | Cooler-integrated battery tray for mobile body and battery device for mobile body |
| CN113823871A (en) * | 2021-10-11 | 2021-12-21 | 宁波信泰机械有限公司 | Tray under integrated water cooling system's aluminium alloy battery box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106711370B (en) | 2020-09-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202839901U (en) | Thermal management system of power battery | |
| CN103715473B (en) | A kind of power battery thermal management system | |
| CN106711370A (en) | Battery box lower tray | |
| CN105633501B (en) | Electric vehicle dynamic cell group liquid stream heat management device, management system and its control method | |
| CN106785219B (en) | Electric automobile, infusion device matched with electric automobile and heat dissipation method | |
| CN106803609A (en) | A kind of new-energy automobile power battery cooling system | |
| CN105576321A (en) | battery pack thermal management system | |
| CN105633509A (en) | Power battery composite heat management system and method thereof | |
| CN108183279B (en) | A kind of thermal management device of battery based on engine exhaust cogeneration | |
| CN101841072A (en) | Liquid cooling system of storage battery and liquid cooling method of storage battery | |
| CN102148412A (en) | Automatic control cooling device of battery pack of electric passenger vehicle | |
| CN102623771A (en) | Battery cooling plate structure | |
| CN206558649U (en) | A kind of cooling system of lithium-ion-power cell group | |
| CN203826514U (en) | Power battery cooling and heating device with liquid cooling plate for pure electric vehicle | |
| CN108232238A (en) | A kind of fuel cell system, control method and fuel cell car | |
| CN206505962U (en) | A kind of water-cooled battery structure and batteries of electric automobile | |
| CN203427605U (en) | Power battery pack cooling system combined with electric car body | |
| CN204243158U (en) | A kind of liquid cooling battery system of new-energy automobile | |
| CN210668612U (en) | Battery module and battery package | |
| CN101186194A (en) | Cooling system and cooling method for vehicle mounted charger | |
| CN206076339U (en) | Self-control thermostatic battery case and automobile | |
| CN108199115B (en) | Heat dissipation system of electric automobile lithium battery | |
| CN207790359U (en) | A kind of water cooling charging pile | |
| CN107394314B (en) | Electric automobile battery box based on liquid cooling loop and initiative heating | |
| CN105720325A (en) | Multi-choice PACK thermal management device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |