CN104009196A - Equipment for protecting drain valve, support element, storage battery electric core, and storage battery - Google Patents
Equipment for protecting drain valve, support element, storage battery electric core, and storage battery Download PDFInfo
- Publication number
- CN104009196A CN104009196A CN201410079490.9A CN201410079490A CN104009196A CN 104009196 A CN104009196 A CN 104009196A CN 201410079490 A CN201410079490 A CN 201410079490A CN 104009196 A CN104009196 A CN 104009196A
- Authority
- CN
- China
- Prior art keywords
- storage battery
- equipment
- battery core
- housing
- support component
- 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.)
- Granted
Links
Classifications
-
- 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
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/147—Lids or covers
-
- 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
- H01M50/317—Re-sealable arrangements
- H01M50/325—Re-sealable arrangements comprising deformable valve members, e.g. elastic or flexible valve members
-
- 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
- H01M50/342—Non-re-sealable arrangements
- H01M50/3425—Non-re-sealable arrangements in the form of rupturable membranes or weakened parts, e.g. pierced with the aid of a sharp member
-
- 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
Abstract
The invention relates to equipment (10) used for protecting a drain valve (8) from being affected by external mechanical force, wherein the drain valve of a burst disc of irreversible deformation or a burst film (7) of reversible deformation is arranged in a discharge port (6) in a housing (2) of a storage battery electric core (1); in order to make sure that the drain valve (8) of the storage battery electric core (1) is maximumly protected from being affected and damaged by external mechanical force, thus preventing liquid, steam and gas from flowing out the closed drain valve of the storage battery electric core (1); the equipment (10) is provided with at least one support isolation sheet (11) of stable shape, and the support isolation sheet is arranged on a side face, facing an inner side of the housing (2) of the storage battery electric core (1), of the burst disc or the burst film (7).
Description
Technical field
The present invention relates to equipment, support component, storage battery battery core and storage battery for the protection of drain valve.
Background technology
In power-actuated motor vehicle, particularly in motor vehicle, plug-in type multi-power driven vehicle and multi-power driven vehicle, use the storage battery of modular construction, to utilize this storage battery to pass through the high drive electrical network of vehicle side to the power-jdriven gear supply of electrical energy of motor vehicle.Battery module has multiple storage battery battery cores conventionally, and they can be connected or be in parallel.
For example, occurring: when the electric improper application that caused by the electrical overloads of storage battery battery core; For example, when the mechanical improper application by applying on the housing of storage battery battery core that outside mechanical power impact causes; For example cause by the outside heat effect in storage battery battery core hot improper application time; Or during for example by the inside unintentionally that causes with contacting of metal object or external short circuit, storage battery battery core is heating strongly more or less.For the pressure can balance producing in the housing of storage battery battery core thus raises (it can cause the blast of storage battery battery core extreme in the situation that), the housing of storage battery battery core has floss hole conventionally, at this floss hole place, the drain valve that pressure is responded is set, this drain valve is opened with the magnitude of regulation in the time that overvoltage occurs in the housing of storage battery battery core.
In the time that opening, drain valve may comprise undecomposed bath composition from the liquid, steam or the gas that flow out in the housing of storage battery battery core, for example dimethyl carbonate (DMC) or ethylene carbonate (EC), or also has flammable catabolite, for example carbon monoxide (CO), hydrogen (H
2) or methane (CH
4).In this external liquid, steam or gas, may be included in the catabolite of the conducting salt existing in housing, for example hydrogen fluoride (HF) or phosphorous compound, for example phosphorus oxyfluoride (POF
3).
In order to derive the liquid, steam or the gas that flow out in the time that drain valve is opened from storage battery from the storage battery battery core of storage battery, storage battery battery core is connected with the exhaust system of storage battery, the latter for example can have plastic tube or flexible pipe.With respect to outside surrounding environment, this exhaust system can pass through pressure-sensitive valve closure.
In order to prevent that liquid, steam or gas from flowing out uncontrollably from the housing of storage battery battery core, the drain valve that need to arrange on the housing of storage battery battery core keeps running, and the off-position of especially need to this drain valve closing at its floss hole stops this uncontrolled outflow of liquid, steam or gas completely.The uncontrolled outflow of electrolyte from the housing of storage battery battery core discovered by the rising of battery core voltage-drop and interior resistance slowly conventionally.
The drain valve that known use is such, this drain valve has the overvoltage of for example magnitude of from 5 to 10 bar from there is regulation the obturator at the housing implosive of storage battery battery core.But this obturator is with respect to outside machinery with particularly optionally power impact is very responsive, these power impacts for example can produce in the time contacting with assembly tool or with finger or nail.Therefore may cause undesirable damage of closure body by such contact, it may cause liquid, steam or gas from the housing of storage battery battery core, to flow out uncontrollably.
Summary of the invention
Theme of the present invention is a kind of equipment; for the protection of floss hole place in the housing of storage battery battery core, drain valve that arrange, that have the explosion disc that can become irreversibly deformed or the explosion diaphragm that can reversibly be out of shape is not affected by outside mechanical power for it, it is characterized in that being provided with the support partition of the dimensionally stable on the side of at least one inside that can be arranged on the housing towards storage battery battery core of this explosion disc or explosion diaphragm.
The support partition of dimensionally stable is set on the side of the inside by the housing towards storage battery battery core at explosion disc or explosion diaphragm, this explosion disc or explosion diaphragm are at least local to be supported from below, make outside mechanical power impact on the side of inside of the housing that deviates from storage battery battery core that may act on explosion disc or explosion diaphragm not must cause the damage of explosion disc or explosion diaphragm, because the damage of explosion disc or explosion diaphragm can cause liquid, steam or gas flow out uncontrollably from the housing of storage battery battery core.
In order to make to make the floss hole in the housing of storage battery battery core open with large as far as possible degree in the situation that drain valve is opened, the width that should select to support partition is significantly less than the size of the floss hole of housing.
The explosion disc that can become irreversibly deformed is construed as such burst body: it no longer can be used in the floss hole in the housing that is closed in storage battery battery core under pressure after explosion, because it no longer can recover the off-position of deformation to it after explosion.On the other hand, the explosion diaphragm that what is called can be reversibly out of shape is construed as the burst body of elastically deformable, and it automatically returns to its off-position after explosion and associated ground pressure effect.Can on explosion disc or explosion diaphragm, provide at least one to answer fracture position, explosion disc or explosion diaphragm answer fracture position place to break at this in the time of their explosions first for this reason.
Structure at least one support partition in dimensionally stable ground should mean, in the time that particularly the outside mechanical power influence of fitting-type acts on support partition on explosion disc or explosion diaphragm and by it, described support partition keeps its given profile under the state not loading substantially, to realize the suitable support to explosion disc or explosion diaphragm from its side towards the inside of the housing of storage battery battery core.
According to a kind of favourable organization plan, described equipment have at least two can the housing towards storage battery battery core at explosion disc or explosion diaphragm arranged in a crossed manner the side of inside on, the support partition of dimensionally stable.The number of per unit support partition can change according to corresponding technical situation and requirement.Support partition is set more, the region of supporting thus of explosion disc or explosion diaphragm is larger.
The organization plan favourable according to another kind, the support partition of two dimensionally stables intersects at an angle of 90.This organization plan is characterised in that the good support in the case of using explosion disc the least possible additional material or explosion diaphragm.
Another kind of favourable organization plan regulation, the support partition formula integral with one another of dimensionally stable connects.Supporting thus partition can support to a certain extent relatively, gives extraordinary support performance like this by supporting partition to whole setting.
In the time of the support of at least one dimensionally stable plastics for partition, metal or composite material structure, more think favourable.Can and require selection to be respectively used to support the material of partition according to corresponding technical situation.For example consider polypropylene (PP) or polyethylene (PE) as plastics.
It is favourable that the support partition of at least one dimensionally stable is connected with the integral formula of part of storage battery battery core.This makes the assembling of the storage battery battery core of relative configurations with respect to the storage battery battery core of assembly routine not difficult, but can under the identical installation step of use, carry out.
In addition suggestion, the support partition of at least one dimensionally stable is constructed to be permeable to and storage battery battery core form fit ground and/or power structure member that be connected ordinatedly, independent.Make thus mend fill existing storage battery battery core and more exchange device become possibility.The latter for example has advantage in the case of the design of the storage battery battery core of device damage or corresponding equipment changes.
In addition theme of the present invention is a kind of support component for storage battery battery core, this support component can be arranged between the cap of upside of the electrode of storage battery battery core and the housing of storage battery battery core, and by this support component, electrode can be supported on the side of the inside towards housing of cap, wherein on support component, construct at least one floss hole, in the situation that according to the rules support component being arranged on cap, described floss hole is arranged in the region that is arranged at the floss hole in cap, it is characterized in that being provided with the equipment according to one of said structure scheme or their combination in any, wherein this equipment is arranged on the floss hole place of support component.Be associated with thus above-mentioned advantage.
The setting of support component between the cap of the upside of the electrode of storage battery battery core and the housing of storage battery battery core is known.By support component, electrode can be supported on the side of the inside towards housing of cap, for example can reduce thus electrode, in the motion by using the vibration appearance determining, the motion of the electrode in the time driving the motor vehicle of relative configurations.In addition by being set in the housing of storage battery battery core, support component reduces the dead center volume in housing.Support component can be made up of polypropylene (PP).On support component, construct at least one floss hole, in the situation that according to the rules support component being arranged on cap, this at least one floss hole is arranged in the region that is arranged at the floss hole in cap, makes it possible to reduce by the floss hole in the cap of the floss hole in support component and housing the pressure of storage battery in-core.
According to a kind of favourable organization plan, the support component integral type of equipment and remainder forms.This makes the assembling of the storage battery battery core of relative configurations with respect to the storage battery battery core of assembly routine not difficult, carries out but can and substantially not change spendable structure member under the identical installation step of use.
The organization plan favourable according to another kind, equipment is configured to the independent structure member that can be connected with all the other support components of support component.This make mend fill existing storage battery battery core and more exchange device become possibility.The latter can be for example has advantage in the case of the design of the storage battery battery core of device damage or corresponding equipment changes.
Theme of the present invention is storage battery battery core in addition, it has housing, on housing, construct at least one floss hole, the drain valve with the explosion disc that can become irreversibly deformed or the explosion diaphragm that can reversibly be out of shape is wherein set at floss hole place, it is characterized in that being provided with at least one according to the support component described in one of said structure scheme or their combination in any.Be associated with thus above-mentioned advantage.
In addition theme of the present invention is storage battery, has at least one storage battery battery core and mode and the gas extraction system that this storage battery battery core is connected with fluid communication, and it is characterized in that, storage battery battery core is as above stated formation.Be associated with thus above-mentioned advantage.
Brief description of the drawings
Illustrate the present invention below with reference to accompanying drawing according to a preferred embodiment, the feature wherein illustrating below both can have been used separately separately certain aspect of the present invention also can be shown in combination with each other.In accompanying drawing:
Fig. 1 illustrates through according to the partial schematic diagram of the cross section of the storage battery battery core of prior art,
Fig. 2 illustrates the partial schematic diagram through the cross section of the storage battery battery core of one embodiment of the present of invention,
Fig. 3 illustrates the schematic diagram that the inside of the housing from storage battery battery core of the embodiment shown in Fig. 2 is observed.
Embodiment
Fig. 1 illustrates through according to the partial schematic diagram of the cross section of the conventional storage battery battery core 1 of prior art.Storage battery battery core 1 comprises housing 2, and the cap 3 of housing is only shown in Fig. 1.In addition, storage battery battery core 1 has electrode 4, and these electrodes are arranged on the inside of housing 2.Between the electrode 4 of storage battery battery core 1 and cap 3, be provided with support component 5, by this support component, electrode 4 can be supported on the side of the inside towards housing 2 of cap 3.On cap 3, be configured with floss hole 6, a drain valve 8 with the explosion diaphragm 7 that can reversibly be out of shape is set at this floss hole place.On support component 5, also construct a floss hole 9, shown in conform with the regulations support component 5 is set on cap 3 in the situation that, this floss hole 9 arranges in the region that is the floss hole 6 arranging in cap 3.Explosion diaphragm 7 has the fracture position of answering 12, and in the situation that exerting pressure, explosion diaphragm 7 starts to open at this place.
Fig. 2 illustrates the partial schematic diagram through the cross section of the storage battery battery core 1 of one embodiment of the present of invention.The different equipment 10 that are of storage battery battery core 1 of the present invention and storage battery battery core 1 shown in Figure 1; it is not affected by outside mechanical power for the protection of the drain valve 8 that is arranged on floss hole 6 places in housing 2; this equipment 10 has the support partition 11 of two dimensionally stables that arrange on the side of the inside of the housing 2 towards storage battery battery core 1 of explosion diaphragm 7, wherein in Fig. 2, only illustrates that is supported a partition 11.
Fig. 3 illustrates the schematic diagram that the inside of the housing 2 from storage battery battery core 1 of the embodiment shown in Fig. 2 is observed.This accompanying drawing illustrates the support partition 11 of two dimensionally stables of equipment 10, and these two are supported partition and intersect at an angle of 90 at the center of floss hole 9.Support partition 11 formula integral with one another of these two dimensionally stables connects.The support partition of dimensionally stable is connected with a part integral type of storage battery battery core 1, that is to say with support component 5 integral types and is connected, and wherein supports partition 11 and also has thus equipment 10 to be arranged in the floss hole 9 in support component 5.
Claims (12)
1. an equipment (10); that floss hole (6) in the housing (2) of storage battery battery core (1) is located for the protection of being arranged on, there is the explosion disc that can become irreversibly deformed or the drain valve (8) of the explosion diaphragm (7) that can reversibly be out of shape is not affected by outside mechanical power; it is characterized in that, described equipment has the support partition (11) of the dimensionally stable on the side of inside of at least one housing towards storage battery battery core (1) that can be arranged on explosion disc or explosion diaphragm (7) (2).
2. equipment according to claim 1 (10), it is characterized in that, described equipment at least have two can the housing towards storage battery battery core (1) (2) at explosion disc or explosion diaphragm (7) arranged in a crossed manner the side of inside on the support partition (11) of dimensionally stable.
3. equipment according to claim 2 (10), is characterized in that, the support partition (11) of described two dimensionally stables intersects at an angle of 90.
4. according to the equipment described in claim 2 or 3 (10), it is characterized in that, support partition (11) formula integral with one another of described dimensionally stable connects.
5. according to the equipment one of the claims Suo Shu (10), it is characterized in that, the support partition (11) of at least one dimensionally stable is made up of plastics, metal or composite material.
6. according to the equipment one of the claims Suo Shu (10), it is characterized in that, the support partition (11) of at least one dimensionally stable is connected with the integral formula of part of storage battery battery core (1).
7. according to the equipment one of claim 1 to 5 Suo Shu (10), it is characterized in that, the support partition (11) of at least one dimensionally stable be can with the part form fit ground of storage battery battery core (1) and/or power structure member that be connected ordinatedly, independent.
8. for the support component (5) of storage battery battery core (1), described support component can be arranged between the cap (3) of upside of the electrode (4) of storage battery battery core (1) and the housing (2) of storage battery battery core (1), and by described support component, electrode (4) can be supported on the side of the inside towards housing (2) of cap (3), wherein, at described support component (5) at least one floss hole of upper structure (9), in the situation that according to the rules support component (5) being arranged on cap (3), described floss hole (9) is arranged in the region of the floss hole (6) being arranged in cap (3), it is characterized in that, be provided with according to the equipment one of the claims Suo Shu (10), wherein, the floss hole (9) that described equipment (10) is arranged in described support component (5) is located.
9. support component according to claim 8 (5), is characterized in that, described equipment (10) forms with all the other support components (5) integral type.
10. support component according to claim 8 (5), it is characterized in that, described equipment (10) is configured to the independent structure member that can be connected with the support component of remainder (5) of support component (5).
11. storage battery battery cores (1), there is housing (2), on described housing, construct at least one floss hole (6), wherein locate to arrange the drain valve (8) of the explosion diaphragm (7) that there is the explosion disc that can become irreversibly deformed or can reversibly be out of shape at described floss hole (6), it is characterized in that, described storage battery battery core has described support component (5) of one of at least one according to Claim 8 to 10.
12. storage batterys, there is the gas extraction system that at least one storage battery battery core (1) is connected with this storage battery battery core (1) with the mode with fluid communication, it is characterized in that, described storage battery battery core (1) forms according to claim 11.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013203108.4 | 2013-02-26 | ||
| DE201310203108 DE102013203108A1 (en) | 2013-02-26 | 2013-02-26 | Device for protecting blow-off opening in housing of battery cell used in e.g. electric car, has irreversible deformable rupture disc whose facing side is arranged with form-stable supporting bar at interior of housing of battery cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104009196A true CN104009196A (en) | 2014-08-27 |
| CN104009196B CN104009196B (en) | 2018-04-20 |
Family
ID=51349444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410079490.9A Active CN104009196B (en) | 2013-02-26 | 2014-02-24 | For protecting equipment, support component, storage battery battery core and the storage battery of drain valve |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104009196B (en) |
| DE (1) | DE102013203108A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109962190A (en) * | 2017-12-26 | 2019-07-02 | 比亚迪股份有限公司 | Battery pack and vehicle |
| WO2022205325A1 (en) * | 2021-04-01 | 2022-10-06 | 江苏时代新能源科技有限公司 | Battery cell, battery, power consuming apparatus, and battery cell fabrication method and device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020121945A1 (en) * | 2020-08-21 | 2022-02-24 | Bayerische Motoren Werke Aktiengesellschaft | battery cell |
| CN112736363B (en) * | 2021-04-01 | 2021-07-20 | 江苏时代新能源科技有限公司 | Battery monomer, battery, electric device, method and equipment for preparing battery monomer |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2156574A (en) * | 1984-03-26 | 1985-10-09 | Chloride Group Plc | Vents for electric storage batteries |
| JPH10154497A (en) * | 1996-11-25 | 1998-06-09 | Mitsubishi Cable Ind Ltd | Safety structure of sealed-type battery |
| CN1213188A (en) * | 1997-09-29 | 1999-04-07 | 三星电管株式会社 | Cap assembly for rectangular battery |
| CN101170168A (en) * | 2006-10-27 | 2008-04-30 | 深圳市比克电池有限公司 | Covering board component with explosion-proof function |
| CN201126837Y (en) * | 2007-11-26 | 2008-10-01 | 比亚迪股份有限公司 | Battery safety valve component and battery containing the same |
| CN201781005U (en) * | 2010-08-27 | 2011-03-30 | 宁波博大梧桐电池科技有限公司 | Battery sealing ring |
| CN102163737A (en) * | 2010-02-18 | 2011-08-24 | 三星Sdi株式会社 | Rechargeable battery |
-
2013
- 2013-02-26 DE DE201310203108 patent/DE102013203108A1/en active Pending
-
2014
- 2014-02-24 CN CN201410079490.9A patent/CN104009196B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2156574A (en) * | 1984-03-26 | 1985-10-09 | Chloride Group Plc | Vents for electric storage batteries |
| JPH10154497A (en) * | 1996-11-25 | 1998-06-09 | Mitsubishi Cable Ind Ltd | Safety structure of sealed-type battery |
| CN1213188A (en) * | 1997-09-29 | 1999-04-07 | 三星电管株式会社 | Cap assembly for rectangular battery |
| CN101170168A (en) * | 2006-10-27 | 2008-04-30 | 深圳市比克电池有限公司 | Covering board component with explosion-proof function |
| CN201126837Y (en) * | 2007-11-26 | 2008-10-01 | 比亚迪股份有限公司 | Battery safety valve component and battery containing the same |
| CN102163737A (en) * | 2010-02-18 | 2011-08-24 | 三星Sdi株式会社 | Rechargeable battery |
| CN201781005U (en) * | 2010-08-27 | 2011-03-30 | 宁波博大梧桐电池科技有限公司 | Battery sealing ring |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109962190A (en) * | 2017-12-26 | 2019-07-02 | 比亚迪股份有限公司 | Battery pack and vehicle |
| CN109962190B (en) * | 2017-12-26 | 2021-03-26 | 比亚迪股份有限公司 | Battery pack and vehicle |
| WO2022205325A1 (en) * | 2021-04-01 | 2022-10-06 | 江苏时代新能源科技有限公司 | Battery cell, battery, power consuming apparatus, and battery cell fabrication method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104009196B (en) | 2018-04-20 |
| DE102013203108A1 (en) | 2014-08-28 |
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