CN104577002B - A kind of battery pack exhaust structure - Google Patents
A kind of battery pack exhaust structure Download PDFInfo
- Publication number
- CN104577002B CN104577002B CN201510036954.2A CN201510036954A CN104577002B CN 104577002 B CN104577002 B CN 104577002B CN 201510036954 A CN201510036954 A CN 201510036954A CN 104577002 B CN104577002 B CN 104577002B
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- China
- Prior art keywords
- battery pack
- way connection
- connecting tube
- deflation assembly
- conduit
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Classifications
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- 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
- H01M50/30—Arrangements for facilitating escape of gases
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a kind of battery pack exhaust structure, including：Battery pack, it is fixed on the vehicle body of the back seat back side；Gas deflation assembly, including：First connecting tube, battery pack is connected by it with gas deflation assembly；Three-way connection, it is arranged on the least significant end of gas deflation assembly；The transverse ends joint of three-way connection is connected with battery pack respectively；Four-way connection, it is arranged on the middle part of gas deflation assembly；The transverse ends joint of four-way connection is connected with battery pack respectively；Second connecting tube, its two ends are connected with three-way connection and four-way connection respectively；Erection joint, it is arranged on gas deflation assembly foremost, and affixed with battery pack；One end of erection joint is connected with four-way connection, and the other end is connected with the exhaust manifolds on vehicle body.The battery pack exhaust structure of the present invention, is provided with gas deflation assembly outside battery pack, and the gas produced by battery chemistries are reacted by gas deflation assembly is discharged outside car, so as to improve the stability in use and security of battery of electric vehicle.
Description
Technical field
The present invention relates to electric automobile power battery technical field, and in particular to a kind of battery pack exhaust structure.
Background technology
Increasingly sharpen in environmental pollution, in the increasingly serious modern life of Energy situation, electric automobile is undoubtedly with it to row
Carbon amounts reduces justifiable contribution and paid close attention to by the whole world.Study hotspot currently relevant with electric automobile is a lot, but power
Battery technology is undoubtedly one piece of field of the wherein weight again of weight.
Electrokinetic cell has the weight that the good characteristics such as operating voltage is high, energy density is big, self discharge is small are China's new energy
Point development projects, popularization and application are accelerated in electric automobile field.With the increase of electrokinetic cell volume, the uprising of energy,
Use environment becomes severe, and sealed battery produces the extent of injury caused by the possibility that gas sets off an explosion and blast because impaired
Also in increase.In order to prevent electrokinetic cell from exploding, it is common practice to the integrated exhaust explosion-proof device on power battery cap.
Thermal Management System for EV Battery Packs in the market is open or closed, open heat-pipe reason system
System is main to be discharged explosion-proof valve outside gas submitting car by blower fan, and such a mode safety coefficient is not high, by blower fan gas bleeding very
Difficult all discharge occupants are out of my cabin；Discharge gas problem is not present in closed heat management, if explosion-proof valve occurs in battery cell, gas is let out
Leakage, then gas is all collected in inside battery bag, and it is poor that such a mode is easily caused battery pack external and internal pressure, quick-fried so as to cause
It is fried.
The content of the invention
It is an object of the invention to provide a kind of battery pack exhaust structure, by setting gas deflation assembly outside battery pack, profit
Solve that original open heat-pipe reason security of system is not high, easy there will be poison gas with the cooperation between gas deflation assembly and battery pack
The problem of body imports in-car, or the gas of battery leakage is difficult discharge in closed heat management system, easily because in battery pack
External pressure difference it is excessive and the problem of cause battery explosion, effectively improve the stability in use and security of battery pack.
To achieve the above object, the invention provides following technical scheme：
A kind of battery pack exhaust structure, including：Battery pack, it is fixed on the vehicle body of the back seat back side；Gas deflation assembly, bag
Include：First connecting tube, the battery pack is connected by it with the gas deflation assembly；Three-way connection, it is arranged on the exhaust group
The least significant end of part；The transverse ends joint of the three-way connection is connected with the battery pack respectively；Four-way connection, it is arranged on
The middle part of the gas deflation assembly；The transverse ends joint of the four-way connection is connected with the battery pack respectively；Second connection
Pipe, its two ends is connected with the three-way connection and the four-way connection respectively；Erection joint, it is arranged on the gas deflation assembly
Foremost, it is and affixed with the battery pack；One end of the erection joint is connected with the four-way connection, the other end and car
Exhaust manifolds with it are connected.
Preferably, the surface of the battery pack is provided with the interface socket-connected with first connecting tube.
Preferably, the interface is provided with the first clip with the first connecting tube connection.
Preferably, first connecting tube is provided with the second card with the three-way connection and the four-way connection connection
Hoop.
Preferably, second connecting tube is provided with the 3rd card with the three-way connection and the four-way connection connection
Hoop.
Preferably, the four-way connection is square box groove-like structure, and its top is provided with cover plate；The cover plate and the four-way
The top of joint is mutually glued.
Preferably, the four-way connection end that is connected with the erection joint is provided with stopper slot, the stopper slot and car
Limit fastener phase clamping on frame.
Preferably, the first conduit and the second conduit are provided with the erection joint；One end of first conduit and institute
Four-way connection interference socket is stated, the other end is sealing structure；One end of second conduit and the first conduit vertical connection,
The other end is connected with the connecting conduit on vehicle body.
Preferably, baffle plate is additionally provided with the erection joint, is formed and installed between the baffle plate and second conduit
Plane, the erection joint is fixedly connected by the bolt through the mounting plane with the battery pack.
The beneficial effects of the present invention are：
The battery pack exhaust structure of the present invention, by setting gas deflation assembly outside battery pack, using on gas deflation assembly
First connecting tube is connected with battery pack, and is connected pipeline by three-way connection, four-way connection, the second connecting tube and erection joint
It is logical to be integral, when the battery in battery pack because short circuit or by external force extrude and produce internal pressure it is excessive when, lead to
Cross outside the gas discharge car that gas deflation assembly can react battery chemistries produced, so as to greatly improve the use of battery of electric vehicle
Stability and security, because toxic gas can quickly be discharged by gas deflation assembly, will not enter in-car, so as to can also carry
The Personal Safety of high in-car driver and crew, while gas deflation assembly is formed by multiple part assembling combinations, when wherein some zero
It when part breaks down or be damaged, can be rapidly performed by changing and repairing by assembling combination, effectively raise battery pack row
The convenience of depressed structure, reduces the man-hour installed and repaired.
Brief description of the drawings
Next the specific embodiment of the present invention will be described in further detail with reference to accompanying drawing, wherein：
Fig. 1 is the battery pack structure figure of the embodiment of the present invention；
Fig. 2 is the gas deflation assembly structure chart of the embodiment of the present invention；
Fig. 3 is the exhaust structure installation diagram of the embodiment of the present invention；
Fig. 4 is the first connecting pipe structure figure of the embodiment of the present invention；
Fig. 5 is the three-way connection structure chart of the embodiment of the present invention；
Fig. 6 is the four-way connection structure chart of the embodiment of the present invention；
Fig. 7 is the second connecting pipe structure figure of the embodiment of the present invention；
Fig. 8 is the erection joint structure chart of the embodiment of the present invention；
Fig. 9 is the yoke configurations figure of the embodiment of the present invention.
Marked in upper figure：
1st, battery pack 2, gas deflation assembly 3, the first connecting tube
4th, three-way connection 5, four-way connection 6, the second connecting tube
7th, erection joint 8, interface 9, the first clip
10th, the second clip 11, the 3rd clip 12, cover plate
13rd, stopper slot 14, the first conduit 15, the second conduit
16th, baffle plate
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not construed as limiting the claims.
As shown in Figures 1 to 9, battery pack exhaust structure of the invention, including：Battery pack 1, it is fixed on the rear row seat chair back
On the vehicle body of face；Gas deflation assembly 2, including：First connecting tube 3, battery pack 1 is connected by it with gas deflation assembly 2；Three-way connection 4, its
It is arranged on the least significant end of gas deflation assembly 2；The transverse ends joint of three-way connection 4 is connected with battery pack 1 respectively；Four-way connection 5,
It is arranged on the middle part of gas deflation assembly 2；The transverse ends of four-way connection 5 are connected with battery pack 1 respectively；Second connecting tube 6, its
Two ends are connected with three-way connection 4 and four-way connection 5 respectively；Erection joint 7, it is arranged on gas deflation assembly 2 foremost, and with
Battery pack 1 is affixed；One end of erection joint 7 is connected with four-way connection 5, and the other end is connected with the exhaust manifolds on vehicle body.
The battery pack exhaust structure of the present invention, by setting gas deflation assembly 2 outside battery pack 1, is connected using first on gas deflation assembly 2
Adapter 3 is connected with battery pack 1, and is connected pipeline by three-way connection 4, four-way connection 5, the second connecting tube 6 and erection joint 7
It is logical to be integral, when the battery in battery pack 1 because short circuit or by external force extrude and produce internal pressure it is excessive when, lead to
Crossing gas deflation assembly 2 can quickly discharge the gas produced by battery chemistries reaction outside car, so as to greatly improve battery of electric vehicle
Stability in use and security, due to toxic gas can by gas deflation assembly 2 quickly discharge, in-car will not be entered, from
And the Personal Safety of in-car driver and crew can also be improved, while gas deflation assembly 2 is formed by multiple part assembling combinations, when it
In some part when breaking down or be damaged, can be rapidly performed by changing and repairing by assembling combination, effectively raise
The convenience of battery pack exhaust structure, reduces the man-hour installed and repaired.
As shown in figure 1, being provided with the interface 8 socket-connected with the first connecting tube 3 on the surface of battery pack 1.The shape of interface 8
For up big and down small cyclic structure, above raised stub end can be interference fitted with the internal diameter formation of the first connecting tube 3 so that
Prevent the gas of the inside of battery pack 1 generation is connected by interface 8 with the first connecting tube 3 from leaking, simultaneously because employing socket
Structure, when breakage occurs for the connecting tube 3 of battery pack 1 or first, can in time by interface 8 carry out dismounting and change, effectively
Improve the convenience and security of battery pack exhaust structure.Certainly, it can also be used between the connecting tube 3 of battery pack 1 and first
The mode commonly used in the art such as clamping or welding is attached, and is not limited in this inventive embodiments.
As shown in Fig. 2, Fig. 4, Fig. 5, Fig. 6, Fig. 7 and Fig. 9, the connection of 8 and first connecting tube of interface 3 is provided with the first card
Hoop 9；First connecting tube 3 is provided with the second clip 10 with three-way connection 4 and the connection of four-way connection 5；Second connecting tube 6 and three
Pass joint 4 and the connection of four-way connection 5 are provided with the 3rd clip 11.Pass through the first clip 9, the second clip 10 and the 3rd clip
11 can be integral the first connecting tube 3, three-way connection 4, the connection of the connecting tube 6 of four-way connection 5 and second, the institute of three-way connection 4
Two Battery pack groups 1 of connection are when occurring the discharge of inside battery gas, and toxic gas passes through the second connecting tube using three-way connection 4
6 are oriented to four-way connection 5, are discharged after then being combined with the toxic gas inside four-way connection 5 by erection joint 7 to outside car.The
One clip 9 can strengthen the bonding strength between the first connecting tube 3 and battery pack 1, and the second clip 10 can strengthen the first connection
Bonding strength between pipe 3 and three-way connection 4 and four-way connection 5, the 3rd clip 11 can strengthen the second connecting tube 6 and be connected with three
Bonding strength between first 4 and four-way connection 5, because clip can be dismantled at any time, is conducive to battery pack exhaust structure each
Replacing and maintenance between parts, effectively improve the service efficiency of exhaust structure.
As shown in fig. 6, four-way connection 5 is square box groove-like structure, its top is provided with cover plate 12；Cover plate 12 and four-way connection
5 top is mutually glued.The top of four-way connection 5 uses the structure of cover plate 12, and one of function is horizontal for ease of installing four-way connection 5
To first connecting tube 3 at two ends, while being easily installed the second connecting tube 6 in vertical direction；Another function is when battery pack 1 exists
By ambient pressure influenceed and the short time produce a large amount of toxic gases when, the gas and four passed over by three-way connection 4 is connected
Gas produced by the battery pack 1 of first 5 two ends connection is concentrated in together, if beyond exhaust structure normal discharge gas
Gas pressure in pressure limit, four-way connection 5 can drastically increase, because the connection of cover plate 12 and four-way connection 5 is gluing, when
When the gas pressure of aggregation reaches some strength, cover plate 12 can be washed open from the top of four-way connection 5, to reach quick release gas
Body pressure, reduces the possibility that blast is produced because of air accumulation, so as to greatly improve the security of electric car.Certainly, cover
It can also not limited in this inventive embodiments using being spirally connected or interface arrangment is attached between plate 12 and four-way connection 5.
As shown in Figure 2 and Figure 6, the end that is connected with erection joint 7 of four-way connection 5 is provided with stopper slot 13, stopper slot 13 with
Limit fastener phase clamping on vehicle frame.Gas deflation assembly 2 can be fixed to using stopper slot 13 on vehicle frame, strengthen gas deflation assembly 2
Bulk strength and stability, so as to improve the security of battery pack 1.
As shown in figure 8, being provided with the first conduit 14 and the second conduit 15 in erection joint 7；One end of first conduit 14 with
The interference of four-way connection 5 is socketed, and the other end is sealing structure；One end of second conduit 15 and the vertical connection of the first conduit 14, it is another
End is connected with the connecting conduit on vehicle body.It is vertically connected and is connect with the second conduit 15 using the first conduit 14, battery can be caused
The gas that is discharged of group 1 is softer to be discharged into body exterior by connecting conduit, without due to the height produced by gas
Gentle high pressure produces injury to personnel outside car.Baffle plate 16, the conduit 15 of baffle plate 16 and second are additionally provided with erection joint 7 in addition
Between form mounting plane, erection joint 7 is fixedly connected by the bolt through mounting plane with battery pack 1.Baffle plate 16 is not only
The intensity of erection joint 7 can be increased, and baffle plate 16 is located at the front of four-way connection 5, when the cover plate 12 on four-way connection 5
When being gone out because air pressure inside is excessive, it can be given and stopped by baffle plate 16, so that the safety in utilization of erection joint 7 is improved,
The mounting plane formed simultaneously between the conduit 15 of baffle plate 16 and second also helps erection joint 7 and is fixedly connected with battery pack 1.
Above according to diagram embodiment be described in detail the present invention construction, feature and action effect, it is described above only
For presently preferred embodiments of the present invention, but the present invention is not to limit practical range, every conception institute according to the present invention shown in drawing
The change of work, or the equivalent embodiment of equivalent variations is revised as, still without departing from specification with illustrating during covered spirit,
Should be within the scope of the present invention.
Claims (7)
1. a kind of battery pack exhaust structure, it is characterised in that including：
Battery pack, it is fixed on the vehicle body of the back seat back side；
Gas deflation assembly, including：
First connecting tube, the battery pack is connected by it with the gas deflation assembly；
Three-way connection, it is arranged on the least significant end of the gas deflation assembly；The transverse ends joint of the three-way connection respectively with institute
Battery pack is stated to be connected；
Four-way connection, it is arranged on the middle part of the gas deflation assembly；The transverse ends joint of the four-way connection respectively with it is described
Battery pack is connected；
Second connecting tube, its two ends are connected with the three-way connection and the four-way connection respectively；
Erection joint, it is arranged on the gas deflation assembly foremost, and affixed with the battery pack；The one of the erection joint
End is connected with the four-way connection, and the other end is connected with the exhaust manifolds on vehicle body；
First connecting tube is vertical with second connecting tube to be connected, and second connecting tube is located at the centre of the battery pack
Position；
The first conduit and the second conduit are provided with the erection joint；One end of first conduit and the four-way connection mistake
It is full of socket, the other end is sealing structure；One end of second conduit and the first conduit vertical connection, the other end and vehicle body
On connecting conduit be connected；
Baffle plate is additionally provided with the erection joint, mounting plane, the peace are formed between the baffle plate and second conduit
Joint is fixedly connected by the bolt through the mounting plane with the battery pack.
2. battery pack exhaust structure according to claim 1, it is characterised in that the surface of the battery pack is provided with and institute
State the interface that the first connecting tube socket-connects.
3. battery pack exhaust structure according to claim 2, it is characterised in that the interface and the first connecting tube phase
Junction is provided with the first clip.
4. battery pack exhaust structure according to claim 3, it is characterised in that first connecting tube is connected with described three
Head and the four-way connection connection are provided with the second clip.
5. battery pack exhaust structure according to claim 4, it is characterised in that second connecting tube is connected with described three
Head and the four-way connection connection are provided with the 3rd clip.
6. battery pack exhaust structure according to claim 1, it is characterised in that the four-way connection is square box channel-shaped knot
Structure, its top is provided with cover plate；The top of the cover plate and the four-way connection is mutually glued.
7. battery pack exhaust structure according to claim 6, it is characterised in that the four-way connection and the erection joint
The end that is connected is provided with stopper slot, the stopper slot and the limit fastener phase clamping on vehicle frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510036954.2A CN104577002B (en) | 2015-01-23 | 2015-01-23 | A kind of battery pack exhaust structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510036954.2A CN104577002B (en) | 2015-01-23 | 2015-01-23 | A kind of battery pack exhaust structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104577002A CN104577002A (en) | 2015-04-29 |
| CN104577002B true CN104577002B (en) | 2017-09-05 |
Family
ID=53092590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510036954.2A Active CN104577002B (en) | 2015-01-23 | 2015-01-23 | A kind of battery pack exhaust structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104577002B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110323389A (en) * | 2019-04-10 | 2019-10-11 | 重庆金康动力新能源有限公司 | Pressure relief pipe, battery pressure relief system and battery case |
| CN110224088B (en) * | 2019-04-24 | 2022-03-01 | 天能电池集团股份有限公司 | Centralized exhaust storage battery pack |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4486515A (en) * | 1983-12-30 | 1984-12-04 | Chern Jen Tsair | Storage battery electrolyte leak and over-replenishment preventing device |
| US5643691A (en) * | 1994-03-01 | 1997-07-01 | Honda Giken Kogyo Kabushiki Kaisha | Gas discharging device for batteries for use on electric vehicle |
| CN1670987A (en) * | 1999-10-08 | 2005-09-21 | 松下电器产业株式会社 | Battery pack |
| CN201667356U (en) * | 2009-12-25 | 2010-12-08 | 上海捷能汽车技术有限公司 | Exhaust device of vehicular power cell system and vehicle with same |
| CN203068147U (en) * | 2013-01-31 | 2013-07-17 | 中国长江电力股份有限公司 | Multifunctional inflation and exhaust connecting pipe |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5205127B2 (en) * | 2008-05-29 | 2013-06-05 | 小島プレス工業株式会社 | Smoke exhaust tube |
| JP5224107B2 (en) * | 2008-07-04 | 2013-07-03 | スズキ株式会社 | Exhaust device for fuel cell system |
| CN204348797U (en) * | 2015-01-23 | 2015-05-20 | 安徽江淮汽车股份有限公司 | A kind of battery pack exhaust structure |
-
2015
- 2015-01-23 CN CN201510036954.2A patent/CN104577002B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4486515A (en) * | 1983-12-30 | 1984-12-04 | Chern Jen Tsair | Storage battery electrolyte leak and over-replenishment preventing device |
| US5643691A (en) * | 1994-03-01 | 1997-07-01 | Honda Giken Kogyo Kabushiki Kaisha | Gas discharging device for batteries for use on electric vehicle |
| CN1670987A (en) * | 1999-10-08 | 2005-09-21 | 松下电器产业株式会社 | Battery pack |
| CN201667356U (en) * | 2009-12-25 | 2010-12-08 | 上海捷能汽车技术有限公司 | Exhaust device of vehicular power cell system and vehicle with same |
| CN203068147U (en) * | 2013-01-31 | 2013-07-17 | 中国长江电力股份有限公司 | Multifunctional inflation and exhaust connecting pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104577002A (en) | 2015-04-29 |
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Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant before: Anhui Jianghuai Automotive Co., Ltd. |
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