CN205488403U - Battery pack - Google Patents
Battery pack Download PDFInfo
- Publication number
- CN205488403U CN205488403U CN201620163623.5U CN201620163623U CN205488403U CN 205488403 U CN205488403 U CN 205488403U CN 201620163623 U CN201620163623 U CN 201620163623U CN 205488403 U CN205488403 U CN 205488403U
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- CN
- China
- Prior art keywords
- battery case
- battery
- moisture absorption
- air pressure
- sheet material
- 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.)
- Withdrawn - After Issue
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to a battery technology field especially relates to a battery pack, including the battery box, the inside of battery box is equipped with battery module and liquid cooling pipe, the liquid cooling pipe sets up the battery module bottom, the inside of battery box still is equipped with the moisture absorption district, the moisture absorption district is used for absorbing the inside moisture of battery box. This application has following beneficial effect: this application battery pack adopts the qigong ability that dehumidifies passively, has realized the control to battery box inside air humidity to ensure the reliability of battery system, reduced the risk that electron device became invalid.
Description
[technical field]
The application relates to cell art, is specifically related to a kind of battery bag with dehumidification function.
[background technology]
A kind of battery of electric vehicle group heat management device is disclosed with reference to No. 104821419 patent of Chinese invention,
This device includes fan, vaporizer, battery module and heat-preservation cotton.Between battery module and coldplate
It is provided with silica gel heating film.Coldplate uses plated to add runner type.Vaporizer is connected by it with coldplate
Using, the cold wind of vaporizer must need airduct air channel to be sent to inside Battery case, thus realize the external world
Cold wind enters box house cooling battery.During heating, battery case and the internal substantial amounts of cooling air warp of airduct
Cross temperature after heating to raise, form steam, will run into, in battery case internal flow, the solid that temperature is low
Wall occurs as soon as condensed water phenomenon.With reference to No. 103326085 patent of Chinese invention disclose a kind of lithium from
Sub-electrokinetic cell bag, it includes battery case, inlet tube, upper cover plate, cell, outlet and liquid
Cooling tube.Being fitted with battery case heat-insulation layer on battery case inwall, battery module surface is fitted with module insulation
Layer, is filled with phase-change material between cooling tube and cell.
When at present lithium ion battery is typically in the range of 20～40 degree, most preferably, the life-span is for its charge-discharge performance
Good.And manifold overheated management system carries out maintaining battery bag to be operated in best effort scope on market, in order to
Best riding experience is brought to client.Heat management system mode has active air cooling wind heat and liquid cold liquid heat side
Case etc..As cooled plate cold to the vaporizer of these active air coolings or liquid is arranged in airtight battery case
, then can there is, at these evaporator surfaces and cooled plate surface, the phenomenon that superheated vapor condenses in portion.Low temperature ring
Under border, hot blast that wind heat mode is sent into and run into the condensation after cold condensation by the hot-air of hot water heating
Water has the risk penetrated in electronic management system, causes electronic device to lose efficacy, the internal electricity of such as battery case
Pond condition monitoring unit (CSC) is easy for the short circuit caused by the condensed water of these steam, thus causes
Whole battery management system fault, causes car operation fault.
Therefore, a kind of new battery bag of necessary offer, to overcome drawbacks described above.
[utility model content]
The purpose of the application is to provide a kind of battery bag, it is possible in fully battery bag occur in strick precaution and process
The battery system that portion's condensation vapor and coolant leakage cause lost efficacy, and reduced security risk.
The purpose of the application is achieved through the following technical solutions: a kind of battery bag, including battery case, institute
The inside stating battery case is provided with battery module and the cold pipe of liquid, and the cold pipe of described liquid is arranged at the bottom of described battery module
Portion, the inside of described battery case is additionally provided with moisture absorption district, and described moisture absorption district is for absorbing the interior of described battery case
Portion's dampness.
Further, described moisture absorption district is located on the box cover of described battery case, it is to avoid on described casing
Cover the electric part below the condensed water instillation of formation.
Further, the inside of described battery case is additionally provided with cylinder manifold, described cylinder manifold and described battery case
Box side be fixedly connected.
Further, the inside of described battery case is additionally provided with hydrops uptake zone, and described hydrops uptake zone is arranged
Bottom described cylinder manifold, the imbibition hygroscopic material used in described hydrops uptake zone has saturability, institute
State hydrops uptake zone with described cylinder manifold with the use of coolant when assembly condensed water and liquid cold pipe leakage.
Further, the box side of described battery case is provided with air pressure double-beat drop valve, described air pressure double-beat drop valve
Including porous breathable hygroscopic agent sheet material and air pressure balance valve diaphragm, described porous breathable hygroscopic agent sheet material is located at
Before and after described air pressure balance valve diaphragm.
Further, towards the absorption of the outside described porous breathable hygroscopic agent sheet material arranged of described battery case
Ability is more than the absorbability towards the internal described porous breathable hygroscopic agent sheet material arranged of described battery case.
Further, described air pressure double-beat drop valve also include dismountable dedusting filter screen with adsorption removal dust,
Described dedusting filter screen is arranged on towards the outside described porous breathable hygroscopic agent sheet material arranged of described battery case
Outside.
Further, described moisture absorption district integrated porous is breathed freely absorbent structure, uses the change that built-in specific surface is big
Learn hygroscopic material granule or foaming structure.
Further, the inside of described battery case is additionally provided with cell-state monitoring unit, described battery
Free state monitoring unit socket direction is vertical with gravity direction.
Compared with prior art, the application has the advantages that the employing of the application battery bag passively removes
Dampness function, it is achieved that the control to battery case inner air humidity, ensure that battery system can
By property, reduce the risk that electronic device lost efficacy.
[accompanying drawing explanation]
Fig. 1 is the schematic diagram of the application battery bag.
Fig. 2 is the schematic diagram of the air pressure double-beat drop valve of the application battery bag.
[primary clustering symbol description]
Battery case 1 battery module 2
Box cover 3 casing chassis 4
Cylinder manifold 5 cell-state monitoring unit 6
Air pressure double-beat drop valve 7 hydrops uptake zone 8
Moisture absorption district 9 moisture detection probe 10
Liquid cold pipe 11 drain valve 12
Following detailed description of the invention will further illustrate the application in conjunction with above-mentioned accompanying drawing.
[detailed description of the invention]
Hereinafter, Fig. 1 to Fig. 2 will be combined introduce the detailed description of the invention of the application battery bag.
Refering to shown in Fig. 1, a kind of battery bag provided herein, including battery case 1, it is located at battery case
Battery module 2 within 1, cylinder manifold 5 and the cell-state monitoring unit being located between battery module 2
6, battery case 1 has the box cover 3 being located at upper end and the casing chassis 4 being located at bottom, battery case 1
The box side of side is provided with air pressure double-beat drop valve 7, and the bottom of battery case 1 is provided with drain valve 12, battery
Module 2 has the cold pipe of liquid 11, and battery case 1 also includes moisture detection probe 10, and battery case 1 is internal
It is provided with hydrops uptake zone 8 and moisture absorption district 9.
The preferred material of casing of battery case 1 uses composite, to obtain preferably insulation and heat-proof quality,
It is not easily susceptible to the impact of cool ambient air environment.The box cover 3 of battery case 1 uses topological optimization instrument
It is optimized design, in order to cold air cold energy assembly processes.Cylinder manifold 5 and the box side of battery case 1
Being fixedly connected, cylinder manifold 5 can use topological optimization instrument to be designed according to region quantitative requirement of confluxing,
So that coolant and condensed water conflux assembly during liquid cold pipe 11 leakage.Cylinder manifold 5 by metal stamping formed,
Such as rustless steel, aluminium alloy, cylinder manifold can also use composite or plastics.Cell-state monitors
Unit (CSC) 6 electronic devices and components such as grade to be arranged as socket direction vertical with gravity direction, heat can be avoided
Dampness enters inside electronic devices and components unit along gravity direction, and cell-state monitoring unit 6 uses and moulds
Material capsul.
Air pressure double-beat drop valve 7 is battery case 1 and external environment carries out one of passage that gas swaps, air pressure
Balanced valve 7 is arranged on the box side of battery case.In the battery case of IP67, this kind of passage is unique,
Otherwise exist for entering inside battery case after outside air is cooled down by vaporizer such as the battery case of active air cooling
Passage.But the quantity of this valve needs according to casing size and pressure balance speed size, passes through CFD
Simulation analysis determines.Carry out the mutual of inner air and outer air by this valve, extraneous dampness can be introduced casing unavoidably
Inside, such as leaves for the low altitude area of humidity with the vehicle of electrokinetic cell system from dry high altitude localities
Region, valley, battery case external pressure P2 is more than internal pressure P1, and wet gas will be poor at external and internal pressure
Under the effect of (Δ P=P2-P1), flow to box house, thus cause battery case 1 inner air humidity
Rise.Therefore in the function of the air pressure double-beat drop valve 7 dry wet down of needs increase, rather than only inside and outside air pressure balance
Effect, can arrange porous breathable water absorbing agent sheet at this.Refering to shown in Fig. 2, air pressure double-beat drop valve 7 includes many
Hole breathe freely hygroscopic agent sheet material 71, air pressure balance valve diaphragm 72, porous breathable hygroscopic agent sheet material 73 and dedusting filter
Net 74.Dedusting filter screen 74 is structure that is detachable and that clean, in order to advantageously account for these parts current many
Hydraulic performance decline and convenience after sale in the environment of dirt.Dedusting filter screen 74 is arranged on outside described battery case
The outside of the described porous breathable hygroscopic agent sheet material that portion is arranged.It is disposed with many before and after air pressure balance valve diaphragm 72
Breathe freely hygroscopic agent sheet material 71 and porous breathable hygroscopic agent sheet material 73 in hole, before and after being positioned at air pressure balance valve diaphragm 72
Porous breathable hygroscopic agent sheet material unlike material, porous breathable hygroscopic agent sheet material 71 can be used to be towards electricity
The outside setting of pond case, porous breathable hygroscopic agent sheet material 73 is to arrange towards battery case is internal, the most excellent
Select the absorbability absorption energy more than porous breathable hygroscopic agent sheet material 73 of porous breathable hygroscopic agent sheet material 71
Power, is beneficial to fully reduce external environment to the impact within battery case.
Refering to shown in Fig. 1, hydrops uptake zone 8 is arranged on bottom cylinder manifold 5, uses in hydrops uptake zone 8
Imbibition hygroscopic material has certain saturability, and hydrops uptake zone 8 and cylinder manifold 5 are with the use of assembling condensation
Coolant when water and liquid cold pipe leakage.If amount of liquid is more greatly beyond saturation, then relief valve 12
Carry out excretory function, in order to after-sales service.
Moisture absorption district 9 is designed to porous breathable absorbent structure, uses the chemical hygroscopic material that built-in specific surface is big
Granule or foaming structure, in order to make this structure have wettability power is big, light weight, be easy to hard-wired
Feature.Moisture absorption district 9 can be arranged in battery case 1 internal any position, preferably upper cover region.On because
Lid is in top, above covers in the electric part that the condensed water of formation easily instills lower section.
Moisture detection probe 10 can be to obtain the real-time wet degrees of data within battery case 1, in order to control chamber
The humidity level in internal portion.The humidity data obtained by this probe and humid control warning line are entered simultaneously
Row compares, and determines whether to open Active dehumidification function.Active dehumidification function can utilize battery case 1
The internal cold pipe of liquid and heater with the use of, make dampness battery case 1 within solidifying white or be condensed into water,
So that hydrops uptake zone 8 absorbs removes coolant, moisture absorption district 9 absorption removal dampness.
These are only the some embodiments of the application, be not all, of embodiment, the common skill in this area
The change of any equivalence that technical scheme is taked by art personnel by reading present specification,
It is claims hereof to be contained.
Claims (10)
1. a battery bag, including battery case, the inside of described battery case is provided with battery module and the cold pipe of liquid, and the cold pipe of described liquid is arranged on bottom described battery module, it is characterized in that: the inside of described battery case is additionally provided with moisture absorption district, described moisture absorption district is for absorbing the inner moisture of described battery case.
2. battery bag as claimed in claim 1, it is characterised in that: described moisture absorption district is located on the box cover of described battery case, it is to avoid the electric part below condensed water instillation formed on described box cover.
3. battery bag as claimed in claim 1, it is characterised in that: the inside of described battery case is additionally provided with the moisture detection probe for detecting moisture absorption district humidity.
4. battery bag as claimed in claim 1, it is characterised in that: the inside of described battery case is additionally provided with cylinder manifold, and described cylinder manifold is fixedly connected with the box side of described battery case.
5. battery bag as claimed in claim 4, it is characterized in that: the inside of described battery case is additionally provided with hydrops uptake zone, described hydrops uptake zone is arranged on bottom described cylinder manifold, the imbibition hygroscopic material used in described hydrops uptake zone has saturability, and described hydrops uptake zone and described cylinder manifold are with the use of coolant when assembly condensed water and liquid cold pipe leakage.
6. battery bag as claimed in claim 1, it is characterized in that: the box side of described battery case is provided with air pressure double-beat drop valve, described air pressure double-beat drop valve includes porous breathable hygroscopic agent sheet material and air pressure balance valve diaphragm, before and after described air pressure balance valve diaphragm is located at by described porous breathable hygroscopic agent sheet material.
7. battery bag as claimed in claim 6, it is characterised in that: it is more than the absorbability towards the internal described porous breathable hygroscopic agent sheet material arranged of described battery case towards the absorbability of the outside described porous breathable hygroscopic agent sheet material arranged of described battery case.
8. battery bag as claimed in claim 7, it is characterised in that: described air pressure double-beat drop valve also include dismountable dedusting filter screen with adsorption removal dust, described dedusting filter screen is arranged on the outside towards the outside described porous breathable hygroscopic agent sheet material arranged of described battery case.
9. the battery bag as described in any one in claim 1-8, it is characterised in that: described moisture absorption district integrated porous is breathed freely absorbent structure, uses chemical hygroscopic material granule or foaming structure that built-in specific surface is big.
10. battery bag as claimed in claim 1, it is characterised in that: the inside of described battery case is additionally provided with cell-state monitoring unit, and described cell-state monitoring unit socket direction is vertical with gravity direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620163623.5U CN205488403U (en) | 2016-03-03 | 2016-03-03 | Battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620163623.5U CN205488403U (en) | 2016-03-03 | 2016-03-03 | Battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205488403U true CN205488403U (en) | 2016-08-17 |
Family
ID=56659052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620163623.5U Withdrawn - After Issue CN205488403U (en) | 2016-03-03 | 2016-03-03 | Battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205488403U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105762428A (en) * | 2016-03-03 | 2016-07-13 | 宁德时代新能源科技股份有限公司 | Battery pack |
| CN107507953A (en) * | 2017-08-25 | 2017-12-22 | 苏州碧欧新能源科技有限公司 | A kind of battery modules for preventing battery plus-negative plate water condensation from causing short circuit |
| EP3364492A1 (en) * | 2017-02-20 | 2018-08-22 | Samsung SDI Co., Ltd | Battery module including an electroosmotic pump |
| WO2023044764A1 (en) * | 2021-09-24 | 2023-03-30 | 宁德时代新能源科技股份有限公司 | Pressure balancing mechanism, battery, electric device, and method and device for preparing battery |
-
2016
- 2016-03-03 CN CN201620163623.5U patent/CN205488403U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105762428A (en) * | 2016-03-03 | 2016-07-13 | 宁德时代新能源科技股份有限公司 | Battery pack |
| CN105762428B (en) * | 2016-03-03 | 2019-06-04 | 宁德时代新能源科技股份有限公司 | Battery pack |
| EP3364492A1 (en) * | 2017-02-20 | 2018-08-22 | Samsung SDI Co., Ltd | Battery module including an electroosmotic pump |
| CN107507953A (en) * | 2017-08-25 | 2017-12-22 | 苏州碧欧新能源科技有限公司 | A kind of battery modules for preventing battery plus-negative plate water condensation from causing short circuit |
| WO2023044764A1 (en) * | 2021-09-24 | 2023-03-30 | 宁德时代新能源科技股份有限公司 | Pressure balancing mechanism, battery, electric device, and method and device for preparing battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160817 Effective date of abandoning: 20190604 |
|
| AV01 | Patent right actively abandoned |