CN209249503U - A kind of battery pack structure - Google Patents
A kind of battery pack structure Download PDFInfo
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- CN209249503U CN209249503U CN201821740593.5U CN201821740593U CN209249503U CN 209249503 U CN209249503 U CN 209249503U CN 201821740593 U CN201821740593 U CN 201821740593U CN 209249503 U CN209249503 U CN 209249503U
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- battery
- medium
- flow pipe
- battery pack
- pack structure
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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
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Abstract
Present applicant proposes a kind of battery pack structure, which includes: battery and is placed in the outside batteries for encapsulating the shell of the battery.Enclosure interior is additionally provided with the medium flow pipe for being arranged in cell peripheral, enclosure interior space is filled with heat transmission medium, battery and the medium runner pipe appearance of a street are placed in liquid heat transmission medium, when foreign medium flows through medium flow pipe, the heat of foreign medium passes to battery by heat transmission medium and battery is cooled down or heated.The heat transmission medium package battery and medium flow pipe of the application, can effectively control battery temperature, maintain battery performance.
Description
Technical field
This disclosure relates to battery technology field, in particular to a kind of battery pack structure.
Background technique
Due to the raising of energy-saving and emission-reduction standard, electric vehicle has been increasingly becoming public selection, and battery is as the dynamic of electric vehicle
Power provides device, and influence of the performance to electric vehicle is great.Large capacity and powerful battery have stronger cruising ability, so
And when using powerful power battery, battery temperature improves；When environment temperature is too low, battery temperature is low, and battery temperature
The too high or too low performance that can all influence battery.
Summary of the invention
The application is the technical issues of solving control battery temperature, to provide a kind of battery pack structure, circulated by medium
Pipeline and heat transmission medium realize control battery temperature, to keep battery performance.
In order to solve the above technical problems, the device includes: battery and is placed in electricity this application provides a kind of battery pack structure
For encapsulating the shell of battery outside pond；Enclosure interior is additionally provided with the medium flow pipe for being arranged in cell peripheral, in shell
Portion space is filled with heat transmission medium, and battery and the medium runner pipe appearance of a street are placed in heat transmission medium, when foreign medium flows through
When medium flow pipe, the heat of foreign medium passes to battery by heat transmission medium and battery is cooled down or added
Heat.
Wherein, medium flow pipe is arranged in cell peripheral and includes, and medium flow pipe is arranged in single battery periphery, or
Medium flow pipe is arranged in the periphery of the battery pack by multiple battery compositions.
Wherein, medium flow pipe includes sequentially connected inlet ductwork, intermediate duct and export pipeline.
Wherein, inlet ductwork and export pipeline include first port, second port and third port, and intermediate duct includes 2
A bending U-shaped structure, each bending U-shaped structure include the first import and second outlet, the first port of inlet ductwork and second
Port connect with the first import of each bending U-shaped structure respectively, the first port of export pipeline with second port respectively and often
The second outlet connection of a bending U-shaped structure, foreign medium enter 2 bending U-shaped structures from the third port of inlet ductwork, and
Third port outflow through export pipeline.
Wherein, intermediate duct is flat pipeline or cylinder pipeline, and inlet ductwork and export pipeline are cylinder pipeline.
Wherein, flat pipeline or cylindrical tube road setting concaveconvex structure.
Wherein, battery pack structure further includes second temperature sensing device, and second temperature sensing device is for measuring hot transmitting
The temperature of medium, second temperature sensing device are set to outside medium flow pipe.
Wherein, battery pack structure further includes the first temperature sensing device, and the first temperature sensing device is for measuring external matchmaker
The temperature of Jie, the first temperature sensing device are set to medium flow pipe inner surface or are embedded at medium flow pipe inner wall.
Wherein, inlet ductwork and export pipeline are made of plastics or metal material, and intermediate duct is made of metal material.
Wherein, foreign medium is coolant media or heating agent, and heat transmission medium is the liquid of insulation and high-termal conductivity.
Wherein, shell includes battery tray and the pallet cover that matches with battery tray, is arranged in battery tray and import
The through-hole that pipeline and export pipeline match, inlet ductwork and export pipeline are stretched out outside battery tray by through-hole, battery tray
It is made with pallet cover of thermal insulation material.
Battery pack structure provided by the present application includes battery and is placed in outside batteries for encapsulating the shell of battery.Heat transmitting
Medium wraps up battery and medium flow pipe, heat transfer is carried out to heat transmission medium by medium flow pipe, thus to battery
It is cooled down or is heated.Meanwhile the contact area in this structure between heat transmission medium and medium flow pipe and battery is big, mentions
Heat conduction efficiency between high heat transmission medium and battery and medium flow pipe shortens the time of adjustment battery temperature, effectively
Keep battery performance.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage combination following accompanying drawings of the disclosure will be to will become bright in the description of embodiment
It shows and is readily appreciated that, in which:
Fig. 1 is a kind of top view of an embodiment of battery pack structure provided by the present application；
Fig. 2 is the explosive view of the application Fig. 1；
Fig. 3 is the axis side side figure of the application Fig. 1；
Fig. 4 is the schematic diagram of one embodiment of medium flow pipe in the application Fig. 1；
Fig. 5 is the schematic diagram of another embodiment of medium flow pipe in the application Fig. 1.
Specific embodiment
Embodiments herein is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the application, and should not be understood as the limitation to the application.
It is below with reference to the accompanying drawings and in conjunction with the embodiments cold to battery progress presently filed embodiment realization is described in detail
But or household.In the present embodiment, Fig. 1, Fig. 2 and Fig. 3 are please referred to, Fig. 1 is a kind of battery pack structure provided by the present application
The top view of one embodiment；Fig. 2 is the explosive view of the application Fig. 1；Fig. 3 is the shaft side figure of the application Fig. 1.In present embodiment
Battery pack structure include: that enclosure interior is additionally provided with the medium flow pipe 5 for being arranged in the periphery of battery 2, enclosure interior space
Filled with heat transmission medium 3, battery 2 and medium flow pipe 5 are placed in heat transmission medium 3, when foreign medium flows through matchmaker
When Jie's flow pipe 5, the heat of foreign medium passes to battery 2 by heat transmission medium 3 and battery 2 is cooled down or added
Heat.Medium flow pipe 5 can be set between the periphery of single battery 3, single battery 3 there are when gap, medium runner pipe
Road 5 is interspersed between single battery 3.Medium flow pipe 5 may also set up in the periphery of the battery pack of multiple batteries 3 composition, also
The battery pack being made of multiple batteries 3 can be passed through.Battery 2 and medium flow pipe 5 can be placed in heat transmitting completely and be situated between
In matter 3 or battery 2 and 5 part of medium flow pipe is placed in heat transmission medium 3.
In the present embodiment, referring to Fig. 3, medium flow pipe 5 includes an inlet ductwork 53, one outlet pipeline
52 and intermediate duct 50, an inlet ductwork 53, intermediate duct 50 and one outlet pipeline 52 be sequentially connected.Foreign medium from into
Mouth pipeline 53 enters intermediate duct 50, and flows out through export pipeline 52.Specifically, refering to Fig. 3, inlet ductwork 53 and export pipeline
52 include first port 531, second port 532 and third port 533, and intermediate duct 50 includes 2 bending U-shaped structures 51, often
A bending U-shaped structure 51 includes the first import 511 and second outlet 512, the first port 531 and second port of inlet ductwork 53
532 connect with the first import 511 of each bending U-shaped structure 51 respectively, the first port 531 and second port of export pipeline 52
532 connect with the second outlet 512 of each bending U-shaped structure 51 respectively, third port 533 of the foreign medium from inlet ductwork 53
It is flowed out into 2 bending U-shaped structures 51, and through the third port of export pipeline 52 533.For convenient for assembly, 2 U-shaped knots of bending
Structure 51 can be connect by detachable connection method with inlet ductwork 53, export pipeline 52, and detachable connection method includes screw thread
It connects or snaps connection, do not limit specific detachable connection method herein.Heat transmission medium 3 is filled in 3 packing box of battery
In, and wrap up medium flow pipe 5 and battery 3.In present embodiment heat transmission medium 3 and medium flow pipe 5 and battery 3 it
Between contact area it is big, improve heat conduction efficiency, shorten adjustment 3 temperature of battery time, effectively keep 3 performance of battery.
In other embodiments, medium flow pipe may include multiple inlet ductworks, multiple export pipelines and centre
Pipeline, intermediate duct can not be bending U-shaped structure, for the contact area for increasing intermediate duct and heat transmission medium, maximum effect
The promotion of rate shortens the time of adjustment 3 temperature of battery to the control efficiency of 3 temperature of battery, intermediate duct can also for serpentine or
Waveform pipeline.To allow fluid smooth circulation in intermediate duct, multiple inlet ductworks and multiple outlets can be set
Road.
In present embodiment, Fig. 1 and Fig. 4 are please referred to, the intermediate duct 50 of medium flow pipe 5 can be flat tube road,
One inlet ductwork 53, one outlet pipeline 52 are cylinder pipeline.Medium flow pipe 5 is sheathed on outside battery 3.One import
Pipeline 53, one outlet pipeline 52 and intermediate duct 50 are made of metal material.Metal material can be the thermally conductive effects such as aluminium alloy
The high metal material of rate.Metal material can be high for other heat transfer efficiencies such as copper alloy, magnesium alloys in other embodiments
Metal does not limit the type of metal material, as long as metal material has high-heat conductive efficency herein.In present embodiment
The intermediate duct 50 of flat pipeline, structure is simple, easy to process and 50 internal flow resistance of intermediate duct is small, convenient for fluid in
Between circulate in pipeline 50.Medium flow pipe 5 is sheathed on outside battery 3, heat transmission medium 3, is filled in 3 packing box of battery,
And wrap up medium flow pipe 5 and battery 3.Medium flow pipe 5 is not contacted with battery 3, i.e., heat transmission medium 3 is filled in matchmaker
Between Jie's flow pipe 5 and battery 3.Present embodiment increases connecing for heat transmission medium 3 and battery 3 and medium flow pipe 5
Contacting surface, 3 temperature of heat transmission medium is uniform, and control 3 each section temperature of battery is uniform, while improving the effect of control 3 temperature of battery
Rate, and then maintain the performance of battery 3.In other embodiments, it medium flow pipe 5 and can also be contacted with battery 3, it is fixed
Battery 3.
In another embodiment, referring to Fig. 5, the intermediate duct 50 of medium flow pipe 5 can also be cylinder pipeline.
One inlet ductwork 53 and one outlet pipeline 52 can be made of plastic material, plastic material can be PP plastics, so as into
Mouth pipeline 53 and export pipeline 52 are assembled with shell.To further increase contact of the medium flow pipe with heat transmission medium
Concaveconvex structure can be arranged on medium runner pipe road in face, it is preferred that concaveconvex structure can be arranged on cylindrical tube road, improve
Heat transfer efficiency between medium flow pipe and heat transmission medium, enables heat transmission medium to heat up within the shorter time
Or cooling, to shorten the time of adjustment 3 temperature of battery.In other embodiments, it is preferred that intermediate duct 50 is flat pipeline
When, concaveconvex structure can also be set in flat line segments.Present embodiment does not limit concaveconvex structure in medium flow pipe
On specific location increase medium flow pipe and heat transmission medium as long as concaveconvex structure is arranged on medium runner pipe road
Between contact area.
In the present embodiment, medium flow pipe further includes the first temperature sensing device and second temperature sensing device,
First temperature sensing device is used to measure the temperature of foreign medium, and second temperature sensing device is for measuring heat transmission medium 3
Temperature.Second temperature sensing device is set to the outside of intermediate duct 5, it is preferred that second temperature sensing device is set to centre
Outside the metal segments pipeline of pipeline 5.First temperature sensing device is set to metal segments pipeline inner surface in intermediate duct 5.Due to
Battery 3 is wrapped up by heat transmission medium 3, therefore the temperature difference is small between 3 temperature of the temperature of heat transmission medium 3 and battery.Present embodiment is simultaneously
The number of the first temperature sensing device and second temperature sensing device, the first temperature sensing device and second temperature induction are not limited
The number of device can be with one or more.Present embodiment does not limit the first temperature sensing device and second temperature sensing device
Relative to the specific location of metal tubes, as long as the first temperature sensing device is set to metal pipeline internal surface, second temperature sense
Device is answered to be set to the outer surface of metal tubes.The temperature of foreign medium and the temperature of heat transmission medium 3, energy are measured simultaneously
Realization is precisely controlled 3 temperature of battery, while avoiding excessively or for a long time carrying out temperature adjustment to foreign medium, can save
The energy.In the present embodiment, the first, second temperature sensing device can be temperature sensor.
In other embodiments, the first temperature sensing device can integrate the metal segments pipeline inner wall in intermediate duct,
Temperature sensing device can be thermally sensitive resistance and diode.Alternatively, being only arranged second outside medium flow pipe
Temperature sensing device measures the temperature of heat transmission medium 3.
In other embodiments, an inlet ductwork and one outlet pipeline can be made of plastic material, intermediate tube
Road is made of metal.First temperature sensing device is set to inside metal tubes, and second temperature sensing device is set to media flow
Siphunculus road outside.The temperature difference of foreign medium temperature and heat transmission medium temperature inside metal tubes is less than in plastic piping
The foreign medium temperature in portion and the temperature difference of heat transmission medium temperature, the first temperature sensing device is set to inside metal tubes just
In the temperature of accurately measurement intermediate duct internal-external medium, to control the temperature of heat transmission medium, so as to adjust battery
Temperature.
In the present embodiment, foreign medium is coolant media or heating agent, and heat transmission medium 3 is insulation and high-termal conductivity
Liquid.Specifically, foreign medium can be air conditioner coolant medium, air conditioner coolant medium is transmitted by medium flow pipe 5 and heat
Medium 3 carries out heat exchange, reduces the temperature of heat transmission medium 3, so that realizing reduces by 3 temperature of battery.Heat transmission medium 3 is castor-oil plant
Oil or silicone oil, are not limited to castor oil or silicone oil for heat transmission medium 3 herein, as long as heat transmission medium 3 is to wait insulation and height
The liquid of thermal conductivity.In other embodiments, heat transmission medium 3 can also be semisolid or solid-state.Heat transmission medium 3
The safety that battery 3 works can be ensured while efficiently adjustment 3 temperature of battery for insulation and the liquid of high-termal conductivity.?
In other embodiments, foreign medium can also be the thermal medium for having heating and cooling, the thermal medium can be water with
The mixed solution of ethylene glycol.Preferably, in the mixed solution of water and ethylene glycol, the volume of ethylene glycol is 30%-50%.It is preferred that
, the volume ratio of water and ethylene glycol is 2:1, which can maintain 25 ° for 3 temperature of battery.Preferably, water and second two
The volume ratio of alcohol is 1:1, which can maintain 40 ° for 3 temperature of battery.
In the present embodiment, shell includes battery tray 1 and the pallet cover matched with battery tray 14.Wherein, electric
Pond pallet 1 and pallet cover 4 are made of thermal insulation material, sealed thermal insulating environment are formed by battery tray 1 and pallet cover 4, convenient for dimension
3 operating temperature of battery is held, 3 performance of battery is kept.Setting and an inlet ductwork 53 and one outlet pipeline 52 in battery tray 1
The through-hole matched, an inlet ductwork 53 and one outlet pipeline 52 are stretched out outside battery tray 1 by through-hole.One inlet tube
Position that road 53 and one outlet pipeline 52 are contacted with through-hole is arranged sealing ring 54, sealing ring 54 for seal inlet ductwork 53,
Export pipeline 52 and battery tray 1, avoid the heat transmission medium 3 in battery tray 1 from leaking out from through-hole.In other embodiments
In, the number of through-hole is corresponding with the number of inlet ductwork and export pipeline, and the number of sealing ring and the number of through-hole are corresponding.
The boss for fixing battery 2 is arranged in the side of battery tray 1, is connected between more batteries 2 by power connection piece 7.Electricity
Line outlet 6 is additionally provided on pond pallet 1, the positive and negative electrode lead of battery 2 is electrically connected by line outlet 6 with external devices.
Battery pack structure provided by the present application includes battery and is placed in the outside batteries for encapsulating the shell of the battery
Body.Heat transmission medium wraps up battery and medium flow pipe, carries out heat transfer to heat transmission medium by medium flow pipe, from
And battery is cooled down or is heated.Meanwhile the contact in this structure between heat transmission medium and medium flow pipe and battery
Area is big, improves the heat conduction efficiency between heat transmission medium and battery and medium flow pipe, shortens adjustment battery temperature
Time, effectively holding battery performance.
Claims (11)
1. a kind of battery pack structure, comprising: battery and be placed in the outside batteries for encapsulating the shell of the battery, feature
It is:
Medium flow pipe is arranged in the cell peripheral and is located at the enclosure interior, and the enclosure interior space is filled with heat
Transfer medium, the battery and the medium runner pipe appearance of a street are placed in the heat transmission medium, when foreign medium flows through institute
When stating medium flow pipe, the heat of the foreign medium passes to the battery to described by the heat transmission medium
Battery is cooled down or is heated.
2. battery pack structure according to claim 1, which is characterized in that the medium flow pipe is arranged in the battery
Periphery includes: that the medium flow pipe is arranged in the single cell peripheral or the medium flow pipe is arranged in by more
The periphery of the battery pack of a battery composition.
3. battery pack structure according to claim 2, which is characterized in that the medium flow pipe includes sequentially connected
Inlet ductwork, intermediate duct and export pipeline.
4. battery pack structure according to claim 3, which is characterized in that the inlet ductwork and the export pipeline include
First port, second port and third port, the intermediate duct include 2 bending U-shaped structures, each U-shaped knot of bending
Structure includes the first import and second outlet, the first port of the inlet ductwork and second port respectively with each bending U
First import of type structure connects, the first port and second port of the export pipeline respectively with each U-shaped knot of bending
The second outlet of structure connects, and the foreign medium enters 2 bending U-shaped structures from the third port of the inlet ductwork,
And it is flowed out through the third port of the export pipeline.
5. battery pack structure according to claim 3 or 4, which is characterized in that the intermediate duct is flat pipeline or circle
Column tube road, the inlet ductwork and the export pipeline are cylinder pipeline.
6. battery pack structure according to claim 5, which is characterized in that the flat pipeline or cylindrical tube road are set
Set concaveconvex structure.
7. battery pack structure according to claim 6, which is characterized in that the battery pack structure further includes second temperature sense
Device is answered, the second temperature sensing device is used to measure the temperature of the heat transmission medium, the second temperature sensing device
It is set to outside the medium flow pipe.
8. battery pack structure according to claim 7, which is characterized in that the battery pack structure further includes the first temperature sense
Device is answered, first temperature sensing device is used to measure the temperature of the foreign medium, and first temperature sensing device is set
It is placed in the medium flow pipe inner surface or is embedded at the medium flow pipe inner wall.
9. according to battery pack structure described in claim 6-8 any one, which is characterized in that the inlet ductwork and it is described go out
Mouth pipeline is made of plastics or metal material, and the intermediate duct is made of metal material.
10. battery pack structure according to claim 1, which is characterized in that the foreign medium is coolant media or heating agent
Medium, the heat transmission medium are the liquid of insulation and high-termal conductivity.
11. battery pack structure according to claim 3, which is characterized in that the shell include battery tray and with it is described
The pallet cover that battery tray matches, setting is matched with the inlet ductwork and the export pipeline in the battery tray
Through-hole, the inlet ductwork and the export pipeline are stretched out outside the battery tray by the through-hole, the battery tray and
The pallet cover is made of thermal insulation material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821740593.5U CN209249503U (en) | 2018-10-24 | 2018-10-24 | A kind of battery pack structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821740593.5U CN209249503U (en) | 2018-10-24 | 2018-10-24 | A kind of battery pack structure |
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| Publication Number | Publication Date |
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| CN209249503U true CN209249503U (en) | 2019-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821740593.5U Active CN209249503U (en) | 2018-10-24 | 2018-10-24 | A kind of battery pack structure |
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| CN (1) | CN209249503U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113131042A (en) * | 2021-03-22 | 2021-07-16 | 中国航空制造技术研究院 | Novel portable laser |
-
2018
- 2018-10-24 CN CN201821740593.5U patent/CN209249503U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113131042A (en) * | 2021-03-22 | 2021-07-16 | 中国航空制造技术研究院 | Novel portable laser |
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