CN103178310A - Self-exhausting expansion kettle of battery cooling system of electric car - Google Patents
Self-exhausting expansion kettle of battery cooling system of electric car Download PDFInfo
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- CN103178310A CN103178310A CN2011104351357A CN201110435135A CN103178310A CN 103178310 A CN103178310 A CN 103178310A CN 2011104351357 A CN2011104351357 A CN 2011104351357A CN 201110435135 A CN201110435135 A CN 201110435135A CN 103178310 A CN103178310 A CN 103178310A
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- kettle
- chamber wall
- kettle body
- wall
- sleeve
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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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- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a self-exhausting expansion kettle of a battery cooling system of an electric car. The self-exhausting expansion kettle comprises a kettle body and a kettle cover, wherein the kettle body comprises a kettle body external cavity wall and a kettle body inner cavity wall arranged in the kettle body external cavity wall, the lower end of the inner cavity wall and the inner surface of the bottom of the external cavity wall are connected so as to form a whole, a hollow kettle body external cavity communicated with air is arranged between the kettle body external cavity wall and the kettle body inner cavity wall, a kettle body inner cavity sleeve is arranged in the kettle body inner cavity wall, a hollow kettle body inner cavity is formed in the sleeve, the self-exhausting expansion kettle also comprises a water outlet tube arranged at the bottom of the external cavity wall, the water outlet tube is communicated with the lower end of the inner cavity, inner cavity wall through holes are formed in the kettle body inner cavity wall close to the bottom of the external cavity wall, inner cavity sleeve through holes, corresponding to the position of the inner cavity wall through holes, are formed in the inner cavity sleeve, the external wall of the inner cavity sleeve and the inner wall of the inner cavity wall are completely attached, the inner cavity sleeve can rotate along the inner wall of the inner cavity wall, when through holes in the inner cavity sleeve and the through holes in the inner cavity wall are aligned and overlapped, the inner cavity and the external cavity are communicated with each other, on the contrary, the inner cavity and the external cavity are not communicated.
Description
Technical field
The present invention relates to a kind of batteries of electric automobile cooling system, relate in particular to a kind of batteries of electric automobile cooling system filling exhaust system.
Background technology
Along with the scarcity day by day of fossil fuel, new-energy automobile and electric automobile will become the development trend of automobile from now on.Battery provides power for travelling of electric automobile, is in the best effort operating mode in order to make battery, needs matched cooling system to keep the optimum working temperature of battery.The expansion kettle is one of parts of battery cooling system, be mainly when coolant temperature is higher in the function on automobile, collect the swell increment of the whole cooling circuit cooling fluid that expands, after coolant temperature reduces, replenish the cooling fluid amount of contraction in loop, thus the pressure of balance whole system.Due to cooling fluid underfill expansion kettle, there is certain space in the expansion kettle, in the process that vehicle travels on the road surface of jolting, cooling fluid can be rocked in kettle, form impulsive force, if can reduce rocking of liquid, can reduce the fatigue damage of kettle integral body.Cooling fluid is annotated into whole cooling system from the expansion kettle, and cooling fluid need be full of whole loop, if exist air not only to affect the cooling effect of battery in the loop, and water pump also easily forms cavitation erosion.Battery generally is arranged under the car occupant seating module, the installation position of each parts of automobile front chamber space is equipped with particular requirement, cause whole battery cooling system pipeline longer, in the situation that do not vacuumize, the easy residual air of filling process pipeline can not be discharged, thus the mineralization pressure balance, cooling fluid in the expansion kettle can not continue infusion circuit, is the filling obstacles of cooling fluid.
Summary of the invention
The present invention is directed to the filling exhaust problem of batteries of electric automobile cooling system, provide a kind of simple in structure, have the expansion kettle from degassing function, realize that the filling of cooling fluid is full of whole loop; And can reduce rocking of cooling fluid, reduce the fatigue damage of kettle integral body.
The objective of the invention is to be achieved through the following technical solutions.
a kind of batteries of electric automobile cooling system is from the exhaust expansion kettle, comprise kettle body and pot lid, the kettle body comprises kettle body outer chamber wall and is positioned at the kettle body intracavity wall of kettle body outer chamber wall, the internal chamber wall lower end is connected with the outer chamber wall bottom interior surface, be the external chamber of the kettle that is communicated with atmosphere of hollow in the middle of kettle body outer chamber wall and kettle body intracavity wall, one kettle body intracavity sleeve is arranged in the kettle body intracavity wall, be the kettle body intracavity of hollow in sleeve, also be provided with an outlet pipe from the exhaust expansion kettle and be positioned at outer chamber wall bottom, outlet pipe is connected with the lower end of inner chamber, the place offers the internal chamber wall through hole in kettle body intracavity wall nearly outer chamber wall bottom, the inner chamber sleeve offers inner chamber sleeve through hole in the position of the through hole of corresponding internal chamber wall, the inwall of inner chamber sleeve outer wall and internal chamber wall is fitted fully, the inner chamber sleeve can rotate along the internal chamber wall inwall, when the through hole on the inner chamber sleeve when through-hole alignment on internal chamber wall overlaps, inner chamber and exocoel are communicated with, otherwise, inner chamber and exocoel can not be communicated with.
Further, the diameter of described inner chamber sleeve through hole and internal chamber wall through hole and size are all identical and be positioned on sustained height.
Further, along internal chamber wall end face circumferencial direction to exocoel in equal angles be provided with a plurality of reinforcements, thereby increase the bonding strength between internal chamber wall and outer chamber wall.
Further, the internal chamber wall upper end is connected by gusset with the outer chamber wall upper end, thereby increases the bonding strength between internal chamber wall and outer chamber wall.
Further, be manufactured with several holes on gusset, exocoel is communicated with atmosphere, but the air pressure of balance inner chamber and exocoel.
Further, expansion kettle exocoel inside also is provided with suspension holdfast and floating block, and suspension holdfast is positioned on the periphery of internal chamber wall middle and lower part, and floating block is connected on suspension holdfast by cord.
Further, kettle body outer chamber wall is provided with maximum adding amount graduation mark and is positioned at the minimum adding amount graduation mark of its below, the position of suspension holdfast is between maximum adding amount graduation mark and minimum adding amount graduation mark, when the cord tensioning, floating block in the position of peak higher than maximum adding amount graduation mark, in the position of minimum point lower than minimum adding amount graduation mark.
Further, the bottom of kettle body outer chamber wall becomes dome shape, minimum point and inner chamber sleeve axis conllinear, and outlet pipe is arranged on the sphere minimum point.
Further, also being provided with overflow pipe from the exhaust expansion kettle passes outer chamber wall to stretch out kettle external in kettle external chamber.
What technical scheme of the present invention provided compares with existing design, and when satisfying existing expansion kettle functional requirement, expansion kettle of the present invention has coolant injection from degassing function; The present invention is divided into inside and outside chamber with the kettle chamber, adds inject cooling liquid in from inner chamber to system; In the coolant injection process, have air in pipeline, when inner air tube and cooling fluid fluid column mineralization pressure balance, the liquid level in inner chamber no longer descends.Rotate the inner chamber sleeve, be communicated with inside and outside chamber, reduce the pressure of liquid level, the balance of setting up before breaking, the air in discharge line, liquid level descends, and overcomes the difficult problem of coolant injection.Because exocoel volumetric ratio cavity volume is much bigger, floating block is set in exocoel, reduce the slosh that automobile causes in the process of moving, reduce the fatigue damage of kettle.
Description of drawings
Fig. 1 is that batteries of electric automobile cooling system of the present invention is from exhaust expansion kettle structure schematic diagram.
Embodiment
Describe the specific embodiment of the present invention in detail below in conjunction with accompanying drawing.
Easily understand, according to technical scheme of the present invention, do not changing under connotation, one of ordinary skill in the art can propose various structures mode and the implementation that can mutually replace.Therefore, following embodiment and accompanying drawing are only the exemplary illustrations to technical scheme of the present invention, and should not be considered as of the present invention all or be considered as restriction or restriction to technical solution of the present invention.
The orientation term such as upper and lower, forward and backward, inside and outside of mentioning in this manual is to define with respect to the element shown in each accompanying drawing, therefore they are relative concepts, might diverse location of living according to it, different use state correspondingly changes.So, these or other orientation term should be interpreted as restricted term yet.
As shown in Figure 1, from the exhaust expansion kettle, it comprises kettle body 20 and pot lid 3 for the batteries of electric automobile cooling system.Kettle body 20 includes kettle body outer chamber wall 14 and is positioned at the kettle body intracavity wall 2 of kettle body outer chamber wall 14, internal chamber wall 2 lower ends are connected with outer chamber wall 14 bottom interior surfaces, are the external chamber 1 of the kettle that is communicated with atmosphere of hollow in the middle of kettle body outer chamber wall 14 and kettle body intracavity wall 2.One kettle body intracavity sleeve 6 is arranged in kettle body intracavity wall 2, be the kettle body intracavity 4 of hollow in sleeve 6, also is provided with an outlet pipe 12 from the exhaust expansion kettle and is positioned at bottom outer chamber wall, and outlet pipe 12 is connected with the lower end of inner chamber 4.The bottom of kettle body outer chamber wall 14 becomes dome shape, minimum point and inner chamber sleeve 6 axis conllinear.Outlet pipe 12 is arranged on the sphere minimum point.14 places, bottom offer internal chamber wall through hole 11 in the nearly outer chamber wall of kettle body intracavity wall 2, inner chamber sleeve 6 offers all identical inner chamber sleeve through holes 16 of diameter and size in the position of the internal chamber wall through hole 11 of corresponding internal chamber wall 2, and internal chamber wall through hole 11 is highly identical with inner chamber sleeve through hole 16, thereby kettle body intracavity 4 is communicated with exocoel 1.By controlling the fit dimension tolerance, inner chamber sleeve 6 outer walls and internal chamber wall 2 inwalls are fitted fully, inner chamber sleeve 6 can rotate along internal chamber wall 2 inwalls; Rotate inner chamber sleeve 6, aim at the through hole 11 on internal chamber wall 2 when the through hole 16 on inner chamber sleeve 6 when overlapping, inner chamber 4 and exocoel 1 are communicated with; Otherwise inner chamber 4 and exocoel 1 can not be communicated with.
To the interior equal angles of exocoel 1,4 reinforcements 10 are set along internal chamber wall 2 end face circumferencial directions, internal chamber wall 2 upper ends are connected by gusset 5 with outer chamber wall 14 upper ends, thereby increase the bonding strength between internal chamber wall 2 and outer chamber wall 14.Be manufactured with several holes (not shown) on gusset 5, exocoel 1 is communicated with atmosphere, but the air pressure of balance inner chamber 2 and exocoel 1.Expansion kettle exocoel 1 inside also is provided with suspension holdfast 15 and floating block 13, and suspension holdfast 15 is positioned on the periphery of internal chamber wall middle and lower part, and floating block 13 is connected on suspension holdfast 15 by cord.Kettle body outer chamber wall is provided with maximum adding amount graduation mark 8 and is positioned at the minimum adding amount graduation mark 9 of its below.The position of suspension holdfast 15 is between maximum adding amount graduation mark 8 and minimum adding amount graduation mark 9, when the cord tensioning, floating block 13 in the position of peak higher than maximum adding amount graduation mark 8, in the position of minimum point lower than minimum adding amount graduation mark 9.Floating block 13 floats on cooling fluid liquid all the time, and it has reduced rocking of liquid effectively, much fatigue damages that reduces kettle integral body.Also being provided with overflow pipe 7 from the exhaust expansion kettle passes outer chamber wall 14 to stretch out kettle external in kettle external chamber 1.
The following describes operation principle of the present invention.
as shown in Figure 1, when adding inject cooling liquid to battery cooling system, open pot lid 3, rotate inner chamber sleeve 6 to certain angle, make through hole 11 overlapping alignment not fully on through hole 16 and the internal chamber wall 2 on inner chamber sleeve 6, this moment, kettle body intracavity 4 and exocoel 1 were in not connected state, cooling fluid flows into the cooling system pipeline through inner chamber 4 and outlet pipe 12, due to the lifting rate of feed liquor amount greater than outlet pipe 12, meeting sealing air in pipeline, when the pressure of the air in pipeline and the generation of cooling fluid column reaches balance, liquid level in inner chamber 4 no longer descends, rotating inner chamber sleeve 6 makes the through hole 16 on inner chamber sleeve 6 overlap with through hole 11 on internal chamber wall 2, kettle body intracavity 4 and exocoel 1 are communicated with, the interior cooling fluid of inner chamber 4 flows in exocoel 1 by through hole 11, liquid level descends, reduce the pressure that fluid column produces, destroy the pressure balance of setting up before this, the pressure that air pressure produces greater than fluid column, air will enter in the exocoel 1 of swelling water kettle along pipeline, then enter atmosphere, the space of liquid filling Exhaust Gas in kettle, after cooling fluid all flows into pipeline, repeat above-mentioned filling process, no longer descend and be between maximum adding amount graduation mark 8 and minimum adding amount graduation mark 9 until inner chamber 4 and exocoel 1 are communicated with rear liquid level, tighten pot lid 3, complete coolant injection work.
Compare with existing scheme, when satisfying existing expansion kettle functional requirement, expansion kettle of the present invention has coolant injection from degassing function; The present invention is divided into inside and outside chamber with the kettle chamber, adds inject cooling liquid in from inner chamber to system; In the coolant injection process, have air in pipeline, when inner air tube and cooling fluid fluid column mineralization pressure balance, the liquid level in inner chamber no longer descends.Rotate the inner chamber sleeve, be communicated with inside and outside chamber, reduce the pressure of liquid level, the balance of setting up before breaking, the air in discharge line, liquid level descends, and overcomes the difficult problem of coolant injection.Because exocoel volumetric ratio cavity volume is much bigger, floating block is set in exocoel, reduce the slosh that automobile causes in the process of moving, reduce the fatigue damage of kettle.
Claims (9)
1. a batteries of electric automobile cooling system is from the exhaust expansion kettle, comprise kettle body and pot lid, it is characterized in that: the kettle body comprises kettle body outer chamber wall and is positioned at the kettle body intracavity wall of kettle body outer chamber wall, the internal chamber wall lower end is connected with the outer chamber wall bottom interior surface, be the external chamber of the kettle that is communicated with atmosphere of hollow in the middle of kettle body outer chamber wall and kettle body intracavity wall, one kettle body intracavity sleeve is arranged in the kettle body intracavity wall, be the kettle body intracavity of hollow in sleeve, also be provided with an outlet pipe from the exhaust expansion kettle and be positioned at outer chamber wall bottom, outlet pipe is connected with the lower end of inner chamber, the place offers the internal chamber wall through hole in kettle body intracavity wall nearly outer chamber wall bottom, the inner chamber sleeve offers inner chamber sleeve through hole in the position of the through hole of corresponding internal chamber wall, the inwall of inner chamber sleeve outer wall and internal chamber wall is fitted fully, the inner chamber sleeve can rotate along the internal chamber wall inwall, when the through hole on the inner chamber sleeve when through-hole alignment on internal chamber wall overlaps, inner chamber and exocoel are communicated with, otherwise, inner chamber and exocoel can not be communicated with.
2. batteries of electric automobile cooling system according to claim 1 from the exhaust expansion kettle, is characterized in that: the diameter of described inner chamber sleeve through hole and internal chamber wall through hole and size are all identical and be positioned on sustained height.
3. batteries of electric automobile cooling system according to claim 2 from the exhaust expansion kettle, is characterized in that: in along internal chamber wall end face circumferencial direction to exocoel, equal angles is provided with a plurality of reinforcements, thereby increases the bonding strength between internal chamber wall and outer chamber wall.
4. batteries of electric automobile cooling system according to claim 3 from the exhaust expansion kettle, is characterized in that: the internal chamber wall upper end is connected by gusset with the outer chamber wall upper end, thereby increases the bonding strength between internal chamber wall and outer chamber wall.
5. batteries of electric automobile cooling system according to claim 4 from the exhaust expansion kettle, is characterized in that: be manufactured with several holes on gusset, exocoel is communicated with atmosphere, but the air pressure of balance inner chamber and exocoel.
According to claim 1 or 5 the batteries of electric automobile cooling system from the exhaust expansion kettle, it is characterized in that: expansion kettle exocoel inside also is provided with suspension holdfast and floating block, suspension holdfast is positioned on the periphery of internal chamber wall middle and lower part, and floating block is connected on suspension holdfast by cord.
7. batteries of electric automobile cooling system according to claim 6 is from the exhaust expansion kettle, it is characterized in that: kettle body outer chamber wall is provided with maximum adding amount graduation mark and is positioned at the minimum adding amount graduation mark of its below, the position of suspension holdfast is between maximum adding amount graduation mark and minimum adding amount graduation mark, when the cord tensioning, floating block in the position of peak higher than maximum adding amount graduation mark, in the position of minimum point lower than minimum adding amount graduation mark.
8. batteries of electric automobile cooling system according to claim 7 from the exhaust expansion kettle, is characterized in that: the bottom of kettle body outer chamber wall becomes dome shape, minimum point and inner chamber sleeve axis conllinear, and outlet pipe is arranged on the sphere minimum point.
9. batteries of electric automobile cooling system according to claim 8 from the exhaust expansion kettle, is characterized in that: also be provided with overflow pipe from the exhaust expansion kettle and pass outer chamber wall in kettle external chamber to stretch out kettle external.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110435135.7A CN103178310B (en) | 2011-12-22 | 2011-12-22 | A kind of batteries of electric automobile cooling system is from exhaust expansion kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110435135.7A CN103178310B (en) | 2011-12-22 | 2011-12-22 | A kind of batteries of electric automobile cooling system is from exhaust expansion kettle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103178310A true CN103178310A (en) | 2013-06-26 |
| CN103178310B CN103178310B (en) | 2015-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110435135.7A Expired - Fee Related CN103178310B (en) | 2011-12-22 | 2011-12-22 | A kind of batteries of electric automobile cooling system is from exhaust expansion kettle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103178310B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107768774A (en) * | 2017-11-22 | 2018-03-06 | 中国第汽车股份有限公司 | A kind of new-energy automobile three guarantees electrokinetic cell cools down heating system |
| WO2021243720A1 (en) * | 2020-06-05 | 2021-12-09 | 浙江联控技术有限公司 | Expandable kettle, vehicle cooling system, and vehicle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5510208A (en) * | 1994-09-28 | 1996-04-23 | Space Systems/Loral, Inc. | Composite battery cell sleeve |
| CN201890908U (en) * | 2010-12-06 | 2011-07-06 | 巢湖市融捷金属科技有限公司 | Corrosion-resistant leaching reaction tank |
| CN202405391U (en) * | 2011-12-22 | 2012-08-29 | 上海汽车集团股份有限公司 | Self-exhausting expansion kettle of electric auto battery cooling system |
-
2011
- 2011-12-22 CN CN201110435135.7A patent/CN103178310B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5510208A (en) * | 1994-09-28 | 1996-04-23 | Space Systems/Loral, Inc. | Composite battery cell sleeve |
| CN201890908U (en) * | 2010-12-06 | 2011-07-06 | 巢湖市融捷金属科技有限公司 | Corrosion-resistant leaching reaction tank |
| CN202405391U (en) * | 2011-12-22 | 2012-08-29 | 上海汽车集团股份有限公司 | Self-exhausting expansion kettle of electric auto battery cooling system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107768774A (en) * | 2017-11-22 | 2018-03-06 | 中国第汽车股份有限公司 | A kind of new-energy automobile three guarantees electrokinetic cell cools down heating system |
| CN107768774B (en) * | 2017-11-22 | 2023-09-26 | 中国第一汽车股份有限公司 | Cooling and heating system for three-pack power battery of new energy automobile |
| WO2021243720A1 (en) * | 2020-06-05 | 2021-12-09 | 浙江联控技术有限公司 | Expandable kettle, vehicle cooling system, and vehicle |
| CN115298880A (en) * | 2020-06-05 | 2022-11-04 | 浙江联控技术有限公司 | Expansion kettle, vehicle cooling system and vehicle |
| EP4135100A4 (en) * | 2020-06-05 | 2023-05-10 | Zhejiang Liankong Technologies Co., Ltd | Expandable kettle, vehicle cooling system, and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103178310B (en) | 2015-09-16 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150916 Termination date: 20211222 |