CN210516847U - Battery pack ventilation drying and filtering system - Google Patents
Battery pack ventilation drying and filtering system Download PDFInfo
- Publication number
- CN210516847U CN210516847U CN201921660623.6U CN201921660623U CN210516847U CN 210516847 U CN210516847 U CN 210516847U CN 201921660623 U CN201921660623 U CN 201921660623U CN 210516847 U CN210516847 U CN 210516847U
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- China
- Prior art keywords
- battery pack
- filter
- air inlet
- air
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000001035 drying Methods 0.000 title claims abstract description 29
- 238000001914 filtration Methods 0.000 title claims abstract description 15
- 238000009423 ventilation Methods 0.000 title claims abstract description 8
- 239000002274 desiccant Substances 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 29
- 238000000034 method Methods 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 239000000306 component Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 241000156302 Porcine hemagglutinating encephalomyelitis virus Species 0.000 description 2
- 239000008358 core component Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005108 dry cleaning Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000008717 functional decline Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Images
Classifications
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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
Landscapes
- Gas Exhaust Devices For Batteries (AREA)
Abstract
A battery pack ventilation drying and filtering system belongs to the technical field of drying and filtering and comprises a battery pack, a pressure relief safety valve, an air inlet and outlet pipeline, a drying filter, a one-way air outlet valve, an air outlet pipeline, an air inlet pipeline, a one-way air inlet valve and an air filter, wherein one port of the air inlet and outlet pipeline, one port of the air outlet pipeline and one port of the air inlet pipeline are communicated with the drying filter, the other port of the air inlet and outlet pipeline is communicated with the pressure relief safety valve, the one-way air outlet valve is arranged on the air outlet pipeline, the one-way air inlet valve is arranged on the air inlet pipeline, and the air filter is communicated with the other port. The utility model has reasonable design and simple structure, the drying filter ensures that the gas is discharged after being dried and filtered by placing the drying agent or other modes, and the discharged gas is purified to a certain degree; meanwhile, the gas entering the battery pack is dry and clean, and the battery pack pressure relief safety valve and the battery pack are prevented from being polluted.
Description
Technical Field
The utility model relates to a filtration system in drying and filtering technical field, especially a vehicular battery package dry filtration system that ventilates that adopts check valve control.
Background
The battery pack is a core component of electric automobiles, motorcycles and electric bicycles. But in current technique, the battery package is through pressure release relief valve and atmospheric environment directly exchange gas, other in the battery package can directly arrange to atmospheric environment through the relief valve, and gas is not crossing dry filtration, the disposable discharge of gas that probably is poisonous in the package can bring unhealthy influence and influence the pollution of environment to the human body, package outer gas gets into the battery package when inside through the pressure release relief valve, unclean air in the environment and humid air can directly get into inside the battery package, cause each part function decline of battery package or function loss even.
Disclosure of Invention
The utility model discloses to above-mentioned prior art not enough, provide a battery package drying filtration system of ventilating, can effectively reduce pollutant discharge and improve the battery package security.
The utility model is realized by the following technical proposal, the utility model comprises a battery pack, a pressure relief safety valve, an air inlet and outlet pipeline, a drying filter, a one-way air outlet valve, an air outlet pipeline, an air inlet pipeline, a one-way air inlet valve and an air filter, wherein the pressure relief safety valve is arranged on the battery pack; one port of the air inlet pipeline, one port of the air outlet pipeline and one port of the air inlet pipeline are communicated with the dry filter; the other port of the air inlet and outlet pipeline is communicated with a pressure relief safety valve; the one-way air outlet valve is arranged on the air outlet pipeline, and the one-way air inlet valve is arranged on the air inlet pipeline; the air filter is communicated with the other port of the air inlet pipeline.
Further, in the present invention, the port of the air outlet pipeline, which is connected to the drying filter, is moved to be connected to the air inlet and outlet pipeline.
Furthermore, the battery pack of the present invention is a power battery pack used for an electric vehicle, or a battery pack used for an electric motorcycle or an electric bicycle.
Furthermore, in the present invention, the pressure relief valve is a valve through which air or water vapor can freely pass under a certain pressure.
Further, in the present invention, the drying filter is made of plastic or metal, and a drying agent is placed inside.
Furthermore, in the utility model, the air filter is made of plastic or metal, and the filter sponge is arranged inside the air filter.
The utility model relates to a battery package drying and filtering system technical field of ventilating, under certain condition, when battery package internal pressure is greater than ambient pressure, the pressure release relief valve can in time with battery package internal gas discharge to the environmental atmosphere outside the package, reduce or avoid battery package internal pressure to increase too fast, take place battery package bulging, damage the risk of explosion even. According to the functional requirement of system, the utility model discloses a drier-filter can filter the gas of exhaust in the battery package, because there is acid gas or other noxious material in the gas in the battery package, gaseous discharge can form the pollution to peripheral environment, also can form the influence that is unfavorable for health to the human body, the utility model discloses a drier-filter is through placing drier or other modes, guarantees that gaseous drying filters the back and discharges, and the combustion gas can be through the purification of certain degree, and gaseous harm degree can reduce, and can greatly reduced to the pollution of environment or to the health influence of human body.
Under certain conditions, the internal pressure of battery package can be less than atmospheric environment pressure, inside air in the environment can enter into battery package through the pressure release relief valve, avoid the battery package when pressure drop, pressure drop is too fast, lead to battery package casing sunken, trouble such as sealed leakage takes place, function and the drying function of drying filter through air cleaner, the gas of guaranteeing to get into the battery package is dry and clean, avoid polluting battery package pressure release relief valve and battery package, thereby do not reduce the function of pressure release relief valve and battery package.
The utility model discloses in, the battery package is the power battery package that uses on the electric automobile (including pure electric vehicles EV, hybrid electric vehicles HEV, plug-in hybrid electric vehicles PHEV, increase journey electric motor car EV etc.), also can be the battery package of using above electric motorcycle, electric bicycle etc..
The pressure relief safety valve is also called as an explosion-proof valve or a safety breather valve, and is a valve through which air, water vapor and other gases can freely pass under certain pressure.
The drying filter is a shell with a certain volume, is made of plastic or metal, can be internally provided with some drying agents or not provided with the drying agents, and can have a certain self-drying or passive drying function.
The air filter is a shell with a certain volume, is made of plastic or metal, can be internally provided with a plurality of filter sponges or other filter materials, and can be replaced periodically under necessary conditions.
The one-way air inlet valve and the one-way air outlet valve can be opened for a long time in one way or closed for a long time under the condition of no external force, according to the functional requirements of the system, the one-way valve can open the air under the condition of certain one-way opening pressure, and the air volume can have certain change, otherwise, the one-way valve is closed under the condition of reverse pressure, and the air volume can be very small or has no air volume.
The air inlet and outlet pipeline can be used for exhausting air from the battery pack and also can be used for entering the air inlet and outlet pipeline of the battery pack from the environment.
And the air outlet pipeline is a pipeline which ensures that air is only transmitted to the outside of the battery pack from the inside of the battery pack in a one-way mode through the function of the one-way valve, and the ventilation quantity in the opposite direction is extremely low or none.
And the air inlet pipeline is a pipeline which ensures that air is transmitted into the battery pack from the outside of the battery pack only in a one-way mode through the function of the one-way valve, and the ventilation quantity in the opposite direction is extremely low or none.
Compared with the prior art, the utility model discloses have following beneficial effect and do: the utility model relates to a rationally, simple structure not only can effectively reduce pollutant emission, can also improve the battery package security.
Drawings
Fig. 1 is a schematic structural diagram of a battery pack according to the prior art of the present invention;
fig. 2 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 3 is a schematic structural diagram of embodiment 2 of the present invention;
fig. 4 is a schematic structural diagram of embodiment 3 of the present invention;
fig. 5 is a schematic structural diagram of embodiment 4 of the present invention;
wherein: 00. the air filter comprises a battery pack, 10 a pressure relief safety valve, 20 an air inlet and outlet pipeline, 30 a drying filter, 40 a one-way air outlet valve, 50 an air outlet pipeline, 60 an air inlet pipeline, 70 a one-way air inlet valve, 80 and an air filter.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings, and the embodiments of the present invention are based on the technical solution of the present invention and provide detailed embodiments and specific operation processes, but the scope of the present invention is not limited to the following embodiments.
Example 1
Embodiment 1 as shown in fig. 2, the present invention includes a battery pack 00, pressure relief safety valves 10, an air inlet and outlet pipeline 20, a dry filter 30, a one-way air outlet valve 40, an air outlet pipeline 50, an air inlet pipeline 60, a one-way air inlet valve 70, and an air filter 80, wherein the two pressure relief safety valves 10 are respectively installed at the upper and lower ends of the battery pack; one port of each of the two air inlet and outlet pipes 20, one port of the air outlet pipe 50, and one port of the air inlet pipe 60 are both communicated with the dry filter 30; the other ports of the two air inlet and outlet pipelines 20 are respectively communicated with the pressure relief safety valve 10; the one-way air outlet valve 40 is arranged on the air outlet pipeline 50, and the one-way air inlet valve 70 is arranged on the air inlet pipeline 60; an air filter 80 communicates with the other port of the intake conduit 60.
In the implementation process of the present invention, under a certain possible condition, the electric core inside the battery pack 00 can generate harmful acid gas or other gases in the charging and discharging process or under other conditions, and generate a certain amount of heat, the heat causes the temperature of the gas inside the battery pack 00 to rise, and causes the pressure inside the battery pack 00 to increase, the internal pressure can be greater than the ambient atmospheric pressure outside the battery pack 00, because the pressure is unbalanced to a certain degree, the acid gas and other gases inside the battery pack 00 can sequentially pass through the pressure relief safety valve 10 and the gas inlet and outlet pipeline 20, the drying filter 30, the one-way gas outlet valve 40, the gas outlet pipeline 50, and are discharged to the atmospheric environment outside the battery pack 00, when the gas passes through the drying filter 30, part of the harmful gas can be dried and filtered through the filter, and it is ensured that the concentration and proportion of the harmful gas in the discharged environment have a certain reduction, can ensure environmental protection and reduce the damage to human body.
On the contrary, under certain conditions, for example, due to shutdown, cooling and other factors of the battery pack 00, the atmospheric pressure inside the battery pack 00 is lower than the atmospheric pressure outside the battery pack, the ambient atmosphere enters the drying filter 30 through the one-way air inlet valve 70 and the air inlet pipeline 60 after being filtered by the air filter 80, and enters the battery pack 00 through the air inlet and outlet pipeline 20 and the pressure relief safety valve 10, at this time, the air enters the battery pack 00 after being filtered by the air filter 80 and is dried by the dryer filter 30, so that the pressure relief safety valve 10, the battery pack 00 and the like are ensured to work in a clean and dry environment, the function of the pressure relief safety valve 10 is well protected, all components such as electronic components and electrical core components inside the battery pack 00 work in the clean and dry environment, and the functions of the electronic components, the electrical core and other components inside the battery pack 00 are ensured not to be affected by water vapor and pollutants, the reliability and safety of the components within the battery pack 00 are increased.
Example 2
Example 2 as shown in fig. 3, under certain conditions, the acid gases and other gases inside the battery pack 00 do not require dry cleaning. At this time, the air outlet pipeline 50 is not arranged on the drying filter 30, one air outlet pipeline 50 is respectively arranged on the two air inlet and outlet pipelines 20, and the two one-way air outlet valves 40 are respectively arranged on the two air outlet pipelines 50. The acid gas and other gases inside the battery pack 00 are discharged to the atmosphere outside the battery pack 00 through the pressure relief safety valve 10, the air inlet and outlet pipeline 20, the one-way air outlet valve 40 and the air outlet pipeline 50 in sequence.
Example 3
Example 3 as shown in fig. 4, under certain conditions, the gas entering and exiting the battery pack 00 need not be dried, but air filtration is required to ensure that the interior of the battery pack 00 is clean. At this time, only two air inlet and outlet pipelines 20 need to be connected with the air filter 80, and the drying filter 30, the one-way air outlet valve 40, the air outlet pipeline 50, the air inlet pipeline 60 and the one-way air inlet valve 70 are not needed.
Example 4
Example 4 as shown in fig. 5, under certain conditions, the gas entering and exiting the battery pack 00 does not need drying filtration and air filtration, and only the inlet and outlet are transferred to the position of the principle pressure relief safety valve 10 through a pipeline, so that the damage of the battery pack 00 and the environmental pollution can be reduced to an acceptable level. In this case, it is only necessary to connect the two air inlet and outlet pipes 20 to the two pressure relief safety valves 10, respectively, and no other parts are required.
Further, in addition to the above four embodiments, the present invention discloses a ventilation system formed by the assembly of parts formed by one or more processes between the pressure relief valve 10 and each newly added part (the drying filter 30, the air filter 80, the one-way air outlet valve 40, the one-way air inlet valve 70, the air inlet/outlet pipeline 20, the air outlet pipeline 50, the air inlet pipeline 60) or formed by the assembly of parts formed by one or more processes between each newly added part, which falls within the scope of protection of the present invention.
Further, the utility model discloses a quantity of the part that contains in the patent, be the part set that constitutes the non-essential condition of the utility model like pressure release relief valve 10 and newly-increased part (drier-filter 30, empty 80, one-way air outlet valve 40, one-way air inlet valve 70 and business turn over gas pipeline 20, air outlet pipeline 50, air inlet pipeline 60), wherein the quantity of pressure release relief valve 10 can be one, two or more, and each newly-increased part (drier-filter 30, empty 80, one-way air outlet valve 40, one-way air inlet valve 70 and business turn over gas pipeline 20, air outlet pipeline 50, air inlet pipeline 60) quantity of being connected with pressure release valve 10 can be zero, one, two or more, but the sum minimum of the total number of newly-increased part is one.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (6)
1. A battery pack ventilation drying and filtering system comprises a battery pack and a pressure relief safety valve, wherein the pressure relief safety valve is arranged on the battery pack;
one port of the air inlet pipeline, one port of the air outlet pipeline and one port of the air inlet pipeline are communicated with the dry filter;
the other port of the gas inlet and outlet pipeline is communicated with the pressure relief safety valve;
the one-way air outlet valve is arranged on the air outlet pipeline, and the one-way air inlet valve is arranged on the air inlet pipeline;
the air filter is communicated with the other port of the air inlet pipeline.
2. The battery pack vent, filter-drier system of claim 1 wherein the port of the outlet line that communicates with the filter-drier is moved into communication with the inlet and outlet lines.
3. The battery pack ventilation, drying and filtration system of claim 1, wherein the battery pack is a power battery pack used on an electric automobile or a battery pack used on an electric motorcycle or an electric bicycle.
4. The battery pack vent, dry and filter system of claim 1, wherein the pressure relief valve is a valve through which air or water vapor freely passes under pressure.
5. The battery pack vent, dry filter system of claim 1, wherein the filter-drier is made of plastic or metal and has a desiccant disposed therein.
6. The battery pack vent, dry and filter system of claim 1, wherein the air filter is made of plastic or metal and has a filter sponge disposed therein.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201921660623.6U CN210516847U (en) | 2019-10-05 | 2019-10-05 | Battery pack ventilation drying and filtering system |
Applications Claiming Priority (1)
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CN201921660623.6U CN210516847U (en) | 2019-10-05 | 2019-10-05 | Battery pack ventilation drying and filtering system |
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CN210516847U true CN210516847U (en) | 2020-05-12 |
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CN201921660623.6U Expired - Fee Related CN210516847U (en) | 2019-10-05 | 2019-10-05 | Battery pack ventilation drying and filtering system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115458853A (en) * | 2021-06-09 | 2022-12-09 | 宇通客车股份有限公司 | Battery system and vehicle |
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2019
- 2019-10-05 CN CN201921660623.6U patent/CN210516847U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115458853A (en) * | 2021-06-09 | 2022-12-09 | 宇通客车股份有限公司 | Battery system and vehicle |
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GR01 | Patent grant | ||
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200512 |