CN206098610U - Hot buret of battery reason system and electric vehicle - Google Patents
Hot buret of battery reason system and electric vehicle Download PDFInfo
- Publication number
- CN206098610U CN206098610U CN201621043087.1U CN201621043087U CN206098610U CN 206098610 U CN206098610 U CN 206098610U CN 201621043087 U CN201621043087 U CN 201621043087U CN 206098610 U CN206098610 U CN 206098610U
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- coolant
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- 239000012530 fluid Substances 0.000 claims abstract description 64
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 238000007599 discharging Methods 0.000 claims abstract 2
- 239000002826 coolant Substances 0.000 claims description 49
- 238000001816 cooling Methods 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 238000009413 insulation Methods 0.000 abstract description 8
- 230000017525 heat dissipation Effects 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 239000000110 cooling liquid Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000003389 potentiating effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
Landscapes
- Secondary Cells (AREA)
Abstract
The utility model relates to a hot buret of battery reason system and an electric vehicle, the hot buret reason system of battery includes: a group battery container for holding the group battery that constitutes by cell, the group battery container is the double -walled structure, has inner wall and outer wall and seals the sealed fluid flowing space who encloses between inner wall and outer wall, carry out the refrigerated heat exchanger with fluid flowing space fluid intercommunication with the fluid among the convection cell flowing space, with fluid flowing space fluid intercommunication so that the whole or partial perhaps gaseous inflow fluid flowing space's of messenger the vacuum pump of discharging of fluid flowing space is followed to the gas in the fluid, just be used for holding from fluid flowing space exhaust fluidic fluid memory with fluid flowing space fluid intercommunication, and controlling means, the volume of its liquid in through flow control flowing space or the external thermal conductivity that control batteries group container is come to gaseous volume. Through the utility model discloses a structure for can adjust cell's heat dissipation and thermal insulation on nimble ground.
Description
Technical field
This utility model is related to the battery for electric motor car, has improved thermal management mould more particularly to a kind of
The cell heat management system and the electric vehicle including the cell heat management system of formula.
Background technology
Battery system is one of most important part of pure electric automobile and plug-in hybrid-power automobile, and it is to driving car
Motor supply electric power, in the operating process of battery system, due to chemical reaction and connection circuit in electric current, battery list
Unit inevitably results from heat.It is very harmful by producing to the safety of overall vehicle if heat is unable to fast dissipation
Affect.Therefore, thermal management is a very crucial Consideration in cell stack designs.Traditionally, by battery unit structure
Into set of cells be combined as a whole with aluminum alloy frame, it is higher with the mechanical strength for improving heat conductivity and make material.To strengthen
Cooling effect, it is potent cold to carry out to the battery unit in set of cells that some height output battery systems can be introduced into liquid cooling loops
But.
But, in set of cells is used in ambient temperature than relatively low application, because low temperature can greatly limit battery system
The performance of system is at aspects such as energy output, safety, charging interval and life-spans, so undesirable battery is in too low temperature,
Now, cooling of the cooling system recited above to battery can aggravate the cold temperature deficiency of battery.To solve this problem, it is proposed that
Battery unit can be kept using heat insulation to be under desired operation temperature.But, in the case where battery needs radiating,
Heat insulation can reduce in turn radiating again, and it is also equal that the battery under hot environment radiates in the operating process of battery system
Important, can thus produce contradiction.Accordingly, it would be desirable to a kind of obtain under the conditions of different operating conflicting demand
The design of the set of cells of satisfaction, can in high temperature environments guarantee the radiating of set of cells, and battery can be at low ambient temperatures guaranteed again
The heat insulation of group.
Utility model content
The purpose of this utility model is to provide a kind of battery management system for improving above-mentioned defect of the prior art, its
The radiating of set of cells can in high temperature environments be guaranteed, the heat insulation of set of cells can be at low ambient temperatures guaranteed again.
For achieving the above object, this utility model provides a kind of cell heat management system, including：For accommodating by battery
The set of cells container of the set of cells that unit is constituted, the set of cells container is double-walled construction, with inner and outer wall and fenced
The fluid circulation space of sealing between the inner walls and the outer；It is in fluid communication with the fluid circulation space empty with fluid flow
Between in the heat exchanger that cooled down of fluid；It is in fluid communication so that the gas in fluid is from fluid stream with the fluid circulation space
Completely or partially discharge or make the vacuum pump of the gas incoming fluid flowing space in dynamic space；With the fluid circulation space fluid
Connection and the fluid storage for accommodating the fluid discharged from fluid circulation space；And control device, it passes through controlling stream
The amount of the liquid in the body flowing space or the amount of gas are controlling the external pyroconductivity of set of cells container.
Preferably, the liquid includes coolant, and the gas is air.
Preferably, it is connected by circulating pump between the heat exchanger and set of cells container, the coolant in set of cells container
Flowing is circulated between heat exchanger and set of cells container.
Preferably, it is connected by liquid pump between the fluid storage and the set of cells container, coolant is according to institute
The operation for stating control device flows into set of cells container or flows out to fluid storage from set of cells container from fluid storage.
Preferably, the set of cells container includes the inside of the set of cells container is divided into the next door of multiple chambers, often
Individual chamber housing one or more battery group, the next door is double-walled construction, and the space between double-walled is empty with the flow of fluid
Between be connected.
Preferably, in the case where ambient temperature is higher than predetermined temperature value, form coolant and flow into electricity from fluid storage
Set of cells container is then out in the group container of pond and the loop of flowing back to set of cells container again is cooled down through heat exchanger.
Preferably, in the case where ambient temperature is less than predetermined temperature value, the coolant formed in set of cells container passes through
Liquid pump is partly or entirely discharged in fluid storage and the air in fluid circulation space is by vacuum pump portion or complete
The loop that portion extracts out.
Preferably, the set of cells container and the junction between heat exchanger, fluid storage and vacuum pump are equipped with close
Sealing.
Preferably, the set of cells container is made up of resistant material.
This utility model further relates to a kind of electric vehicle, including cell heat management system as above.
By above-mentioned cell heat management system of the present utility model, effective liquid cooling or heat insulation can be obtained with root
Cell heat dissipation is selectively adjusted according to ambient temperature.The reality of releasing that heat insulation passes through the coolant in set of cells container
Existing, the effective thermal resistance between battery and external environment condition can be realized by the amount of the coolant in control battery case.Battery
The cooling of unit can be realized by conduction of heat and free convection, or by forcing liquid cooling to strengthen cooling capacity.With
Together, the cooling capacity of whole system can accurately be controlled active cooling function according to the operating condition of battery unit.
Description of the drawings
The aforementioned of the application and other sides will can be more fully understood from detailed description described later and with reference to figure below
Face.It is pointed out that the ratio of each accompanying drawing is possible to different for clarity of illustration, but this can't be affected to this
The understanding of application.In the accompanying drawings：
Fig. 1 is the schematic diagram according to cell heat management system of the present utility model.
Specific embodiment
In each accompanying drawing of the application, structure is identical or intimate feature is indicated by the same numbers.
Fig. 1 schematically shows managing according to cell heat of the present utility model for the expression of overall by reference number 1
System, the cell heat management system includes the set of cells container 2 for accommodating multiple battery units, the set of cells container
2 are substantially rectangular shape, naturally it is also possible to can accommodate the shape of set of cells for other.The set of cells container 2 is double-walled knot
Structure, with inwall 3 and outer wall 4, limits the airtight body of closing or the space of liquid between the inwall 3 and outer wall 4.
Set of cells container 2 is also divided into multiple chambers 8 by next door 5, and the number of chamber 8 can change as needed,
Three chambers 8 are for example separated in FIG, and each chamber 8 accommodates one or more groups of battery units 6.The next door 5 is also double
Wall construction, the space and the space between the inwall 3 and outer wall 4 of set of cells container 2 limited between the double-walled in next door 5 is connected to lead to
And constitute space 7 for storing fluid together.The space 7 is to seal and airtight body and liquid, so that
The battery unit 6 being contained in each chamber 8 does not contact with any fluid in space, will not be corroded by external fluid
Effect, it is ensured that the service life of battery.
It is provided with what is flowed out for the coolant inlet 9 of coolant inflow and for coolant in the outer wall 4 of set of cells container 2
Cooling liquid outlet 10, coolant inlet 9 and cooling liquid outlet 10 are connected to heat exchanger by feed line 11 and outflow pipeline 12
13, so that space 7, feed line 11 and outflow pipeline 12 are in fluid communication, so that the coolant in space 7 is circulated through heat exchange
Device 13, cools down to coolant, so as to the stacks of cells in being contained in chamber 8 is cooled down.Preferably, the heat exchange
Device 13 is disposed through cooling fan 14 and carries out heat exchange.
Coolant feed line 11 and outflow pipeline 12 are sealed with coolant inlet 9 and cooling liquid outlet 10 by sealing member
Ground is connected.
In order to accelerate the circulation of coolant, can flow out pipeline 12 in arrange a circulating pump 15, alternatively, it is also possible to
Regulating valve is set in pipeline 11 and 12, to adjust the flow of coolant.
The coolant can be water or other liquid.
The coolant gateway 16 for cooling fluid supply or discharge, institute are additionally provided with the outer wall 4 of set of cells container 2
State coolant gateway 16 to be connected with coolant storage 18 by pipeline 17, so that space 7 is connected with the fluid of pipeline 17, so as to
The coolant discharged from space 7 is stored in coolant storage 18 or is conveyed to space 7 from coolant storage 18 cold
But liquid.Preferably, liquid pump 19 is provided with pipeline 17 to accelerate the flowing of coolant.Can be adjusted with arranging in pipeline 17
Section valve, to adjust the flow of coolant.
Pipeline 17 is hermetically connected with coolant gateway 16 by sealing member.
In the outer wall 4 of set of cells container 2 also include air access ports 20, the air access ports 20 by pipeline 21 with
Vacuum pump 22 is connected, and on the one hand for the air in extraction space 7, makes space 7 become vacuum, so that space 7 becomes one
Thermal insulation barriers, the heat for preventing battery unit 6 is passed to the outside of set of cells container 2；On the other hand outside air can also be made
In entering into space 7 so that there is coolant and air simultaneously in space 7.By vacuum pump 22 and the phase interworking of liquid pump 19
Close, can be with the amount of the coolant in adjustment space 7 and air pressure, to control the pyroconductivity of whole battery cell container 2.
For this purpose, the cell heat management system can be provided with controller, battery temperature can be set on battery cell container 2
Degree sensor, measured value and user setup parameter value and external condition of the controller according to the battery temperature sensor
Controlling the operation of vacuum pump 22 and liquid pump 19 and each optional regulating valve, so as to adjust space 7 in coolant
Amount.User's setup parameter value for example can according to the different type of set of cells and require arrange predetermined temperature value.
Set of cells container 2, feed line 11, feed line 12, pipeline 17 and pipeline 21 can be by corrosion-resistant materials
Make, for example, ability is contained in the material of the flow-induced corrosion in space 7 and the liquid corrosion in battery unit.
The operating process of cell heat management system of the present utility model is described below.
In the case that ambient temperature is higher than predetermined temperature value, such as summer, when battery unit needs radiating,
Set of cells is cooled down, now, vacuum pump 22 will be closed, coolant is entered from coolant storage 18 by liquid pump 19
Enter space 7, with the coolant in time space 7 by by feed line 11 and flowing out the outside that pipeline 12 and heat exchanger 13 are constituted
Cooling circuit is cooled down, to cool down to set of cells 6, it is to avoid the temperature of set of cells is too high and causes the damage to battery life
It is bad.
When ambient temperature is less than predetermined temperature value, such as in cold evening in winter, can be by coolant from set of cells
Container 2 is expelled to coolant storage 18, stops the operation of heat exchanger, and space 7 is aspirated by vacuum pump 21, with
The partial air in space 7 is extracted, or space 7 is pumped into completely as vacuum, the vacuum effectively prevents battery unit
Outwards radiating.The amount and air pressure of coolant can be as desired by controller to liquid pump 22 and vacuum in space 7
The control of pump 21 being adjusted, to control the pyroconductivity of set of cells container, so as to effective control set of cells is passed to exterior-heat
Conductance, makes battery be optimal state.
Generally, this utility model adjusts the heat flowing from battery unit to environment using vacuum, with liquid pump and
Coolant storage is transmitting and store coolant.By the amount of remaining coolant in regulating cell group container so that effectively
Thermal resistance can be controlled between battery unit and environment.When battery unit needs radiating, coolant is stored from coolant
Device is sent to set of cells container to strengthen Heat transmission, the coolant in set of cells container may loop to radiator or its
The external cooling circuit of his chiller (such as heat exchanger).On the other hand, when ambient temperatures are low, for example in the cold winter
In its evening, coolant can be drawn to coolant storage from set of cells container and set of cells container is taken out very using vacuum pump
It is empty.Such operation is very flexible, can regulating cell group as needed radiating.
Although describing the particular implementation of the application in detail here, they give just for the sake of the purpose explained
Go out, and it is not considered that they are construed as limiting to scope of the present application.On the premise of without departing from the application spirit and scope, respectively
Plant and replace, change and transform and can be contemplated out.
Claims (10)
1. a kind of cell heat management system, it is characterised in that include：
For accommodating the set of cells container of the set of cells being made up of battery unit, the set of cells container is double-walled construction, is had
Inner and outer wall and the fluid circulation space of fenced sealing between the inner walls and the outer；
The heat exchanger cooled down with the fluid in fluid flow space is in fluid communication with the fluid circulation space；
Be in fluid communication with the fluid circulation space so that the gas in fluid completely or partially discharge from fluid circulation space or
Person makes the vacuum pump of the gas incoming fluid flowing space；
The fluid storage of the fluid for being in fluid communication with the fluid circulation space and discharging from fluid circulation space for receiving；
And
Control device, it controls the right of set of cells container by the amount of liquid or the amount of gas in control fluid circulation space
Outer pyroconductivity.
2. cell heat management system as claimed in claim 1, it is characterised in that the liquid includes coolant, the gas
Body is air.
3. cell heat management system as claimed in claim 1, it is characterised in that between the heat exchanger and set of cells container
It is connected by circulating pump, the coolant in set of cells container is circulated flowing between heat exchanger and set of cells container.
4. cell heat management system as claimed in claim 2, it is characterised in that the fluid storage and the set of cells
It is connected by liquid pump between container, coolant flows into set of cells container according to the operation of the control device from fluid storage
Or flow out to fluid storage from set of cells container.
5. cell heat management system as claimed in claim 1, it is characterised in that the set of cells container is included the electricity
The inside of pond group container is divided into the next door of multiple chambers, each chamber housing one or more battery group, and the next door is double-walled
Structure, the space between double-walled is connected with the fluid circulation space.
6. cell heat management system as claimed in claim 2, it is characterised in that in ambient temperature higher than predetermined temperature value
In the case of, form coolant and be then out set of cells container from fluid storage inflow set of cells container and enter through heat exchanger
The loop of set of cells container is flowed back to again in row cooling.
7. cell heat management system as claimed in claim 2, it is characterised in that in ambient temperature less than predetermined temperature value
In the case of, the coolant formed in set of cells container is partly or entirely discharged in fluid storage and fluid by liquid pump
The loop that air in the flowing space is partly or entirely extracted out by vacuum pump.
8. cell heat management system as claimed in claim 1, it is characterised in that the set of cells container and heat exchanger, stream
Junction between body memory and vacuum pump is equipped with sealing member.
9. cell heat management system as claimed in claim 1, it is characterised in that the set of cells container is by resistant material
Make.
10. a kind of electric vehicle, it is characterised in that include the cell heat management according to any one of claim 1-9
System.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621043087.1U CN206098610U (en) | 2016-09-07 | 2016-09-07 | Hot buret of battery reason system and electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621043087.1U CN206098610U (en) | 2016-09-07 | 2016-09-07 | Hot buret of battery reason system and electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206098610U true CN206098610U (en) | 2017-04-12 |
Family
ID=58476192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621043087.1U Active CN206098610U (en) | 2016-09-07 | 2016-09-07 | Hot buret of battery reason system and electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206098610U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106953045A (en) * | 2017-04-21 | 2017-07-14 | 阿尔特汽车技术股份有限公司 | PHEV battery bag cooling structures |
| CN107867221A (en) * | 2017-10-27 | 2018-04-03 | 深圳市中科智诚科技有限公司 | A kind of electric automobile with headlight turning function |
| CN109888429A (en) * | 2019-01-11 | 2019-06-14 | 南京航空航天大学 | A kind of negative poisson's ratio anticollision temperature control integration battery system and its control method |
| CN112290147A (en) * | 2020-10-26 | 2021-01-29 | 南京工业大学 | Box body box for preventing thermal runaway propagation of lithium ion battery pack and control method |
| CN113782859A (en) * | 2020-06-09 | 2021-12-10 | 英业达科技有限公司 | Liquid tank system and lithium ion battery cooling system |
-
2016
- 2016-09-07 CN CN201621043087.1U patent/CN206098610U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106953045A (en) * | 2017-04-21 | 2017-07-14 | 阿尔特汽车技术股份有限公司 | PHEV battery bag cooling structures |
| CN107867221A (en) * | 2017-10-27 | 2018-04-03 | 深圳市中科智诚科技有限公司 | A kind of electric automobile with headlight turning function |
| CN109888429A (en) * | 2019-01-11 | 2019-06-14 | 南京航空航天大学 | A kind of negative poisson's ratio anticollision temperature control integration battery system and its control method |
| CN113782859A (en) * | 2020-06-09 | 2021-12-10 | 英业达科技有限公司 | Liquid tank system and lithium ion battery cooling system |
| CN113782859B (en) * | 2020-06-09 | 2023-06-02 | 英业达科技有限公司 | Liquid tank system and lithium ion battery cooling system |
| CN112290147A (en) * | 2020-10-26 | 2021-01-29 | 南京工业大学 | Box body box for preventing thermal runaway propagation of lithium ion battery pack and control method |
| CN112290147B (en) * | 2020-10-26 | 2022-01-25 | 南京工业大学 | Box body box for preventing thermal runaway propagation of lithium ion battery pack and control method |
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