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CN103779514A - Base plate type waterproof battery box - Google Patents

Base plate type waterproof battery box Download PDF

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Publication number
CN103779514A
CN103779514A CN201310729252.3A CN201310729252A CN103779514A CN 103779514 A CN103779514 A CN 103779514A CN 201310729252 A CN201310729252 A CN 201310729252A CN 103779514 A CN103779514 A CN 103779514A
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CN
China
Prior art keywords
connector
battery
box
chassis
box body
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Granted
Application number
CN201310729252.3A
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Chinese (zh)
Other versions
CN103779514B (en
Inventor
张�浩
朱金大
赵明宇
路致远
张卫国
刘华锋
张高阳
刘硕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Jiangsu Electric Power Co Ltd
Nari Technology Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Jiangsu Electric Power Co Ltd
Nari Technology Co Ltd
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Application filed by State Grid Corp of China SGCC, State Grid Jiangsu Electric Power Co Ltd, Nari Technology Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201310729252.3A priority Critical patent/CN103779514B/en
Publication of CN103779514A publication Critical patent/CN103779514A/en
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Publication of CN103779514B publication Critical patent/CN103779514B/en
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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
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • 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
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
    • H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • 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)
  • Secondary Cells (AREA)

Abstract

本发明公开了一种底盘式防水电池箱，其包括中空的箱体，箱体上表面设置开口，还包括一将所述开口封闭的箱盖，所述箱体中设置有电池组，所述箱体或箱盖上设置一连接所述电池组的连接器，其特征在于：所述箱盖与箱体防水密封连接，所述连接器与所述箱体或箱盖防水密封连接。本发明解决了电动汽车涉水安全方面的诸多问题，提供了一种安全可靠、结构简单、经济性高的底盘式电动汽车快速更换动力电池箱。

The invention discloses a chassis-type waterproof battery box, which comprises a hollow box body, an opening is arranged on the upper surface of the box body, and a box cover for closing the opening, a battery pack is arranged in the box body, and the A connector for connecting the battery pack is arranged on the box body or the box cover, and the feature is that the box cover is connected with the box body in a waterproof and sealed manner, and the connector is connected with the box body or the box cover in a waterproof and sealed manner. The invention solves many problems in the water-wading safety of the electric vehicle, and provides a fast replacement power battery box for the chassis-type electric vehicle that is safe, reliable, simple in structure and high in economy.

Description

Chassis type Waterproof battery case
  
Technical field
The present invention relates to a kind of chassis type Waterproof battery case, in particular for the Waterproof battery case of electric automobile.
Background technology
Battery replacement of electric automobile equipment at present, can change very fast battery case, but, because high purchase cost, complicated equipment operating environment require and longer construction period, electric automobile battery replacing station can not economy be set up rapidly.In addition, complicated equipment has also brought the cost increase of plant maintenance and the raising of maintenance difficulties.
Chassis type electric automobile quick-replaceable power battery box is the energy carrier of pure electric automobile, has the feature such as high power capacity, high voltage, is the important research object that electric automobile ensures passenger's personal safety.Extreme weather takes place frequently in recent years, and vast densely populated type city faces huge test, and Beijing waterlogging causes a large amount of vehicle water logging accidents, and automobile wading one time of safety receives much concern.Electric automobile is due to the energy mode particularity providing and the needs that self design, higher compared with traditional combustion engine automobile to the requirement of the secure context of paddling.How tackling the electric automobile safety of paddling is a major issue of chassis type electric automobile quick-replaceable power battery box design.
  
Summary of the invention
In order to overcome the problems referred to above, the invention provides a kind of safe and reliable chassis type Waterproof battery case.
Technical scheme of the present invention is to provide a kind of chassis type Waterproof battery case, it comprises the casing of hollow, casing upper surface arranges opening, also comprise that one by the case lid of described closure of openings, in described casing, be provided with battery pack, the connector that the described battery pack of one connection is set on described casing or case lid, is characterized in that: described case lid is connected with casing waterproof sealing, and described connector is connected with described casing or case lid waterproof sealing.
Preferably, on described casing, the one side of relatively described case lid is provided with along described opening the adhesive tape groove caving inward for one week, in described adhesive tape groove, is provided with sealing joint strip, and described case lid is squeezed in described sealing joint strip in described adhesive tape groove.
Preferably, on described casing, within one week, be provided with along described opening the holddown groove caving inward, in described holddown groove, be provided with several clamp nuts, several bolt threads through described case lid are connected on described clamp nut, thereby described case lid is fixed on described casing.
Preferably, described connector comprises connector back cover, mover electrode and connector fore shell, in the middle of described mover electrode, be horizontally arranged with splash guard to both sides, described splash guard is arranged between described connector back cover and connector fore shell, between described splash guard and described connector back cover and connector fore shell, be provided with caulking gum, between described connector back cover and connector fore shell, glue sealing is passed through in gap.
Preferably, one side of described casing is provided with the connector chamber caving inward, described connector is arranged in described connector chamber by bolt, and bottom, described connector chamber arranges electrode joint pin, and described electrode joint pin is connected with the mover electrode on described connector.
Preferably, a first liquid transducer is also set on described connector, described first liquid transducer connects a battery management system (being BMS), one first disconnect of connecting between described mover electrode and described battery pack; Described in flow direction, when first liquid transducer, signal is passed to described battery management system by described first liquid transducer, and described battery management system is to described the first disconnect sending action signal, thereby described battery pack and described mover electrode are disconnected.
Preferably; chassis type Waterproof battery case also comprises the battery pack protection structure of unwinding; described battery pack is unwind and is protected structure to comprise the drainage trough arranging for a week along described opening on described casing; one second liquid transducer is communicated with described drainage trough by through hole, and described second liquid transducer connects described battery management system.
Preferably, described battery pack comprises the battery of multiple mutual series connection, is in series with the second disconnect between described battery; Described in flow direction when second liquid transducer, signal is passed to described battery management system by described second liquid transducer, described battery management system, to described the second disconnect sending action signal, disconnects circuit between described battery, unwinds thereby complete described battery pack.
The invention solves the paddle problems of secure context of electric automobile, a kind of safe and reliable, simple in structure, chassis type electric automobile quick-replaceable power battery box that economy is high is provided.
Accompanying drawing explanation
Fig. 1 is the perspective view of a kind of chassis type Waterproof battery case of most preferred embodiment of the present invention;
Fig. 2 is the sealed structural representation between casing and case lid;
Fig. 3 is connector construction schematic diagram;
Fig. 4 is that the A-A of Fig. 3 is to cutaway view;
Fig. 5 is the sectional structure schematic diagram of connector and casing assembling;
Fig. 6 is that the C-C of Fig. 2 is to cutaway view;
Fig. 7 is the fundamental diagram of first liquid transducer;
Fig. 8 is the fundamental diagram of second liquid transducer.
Embodiment
Below the specific embodiment of the present invention is described in further detail.
As shown in Figures 1 to 8, a kind of chassis type waterproof box body of the present invention, is mainly used in chassis type electric automobile fast changeable, has the protection of paddling and the casing of the emergency handling function of intaking.Innovative point of the present invention comprises: casing composition surface waterproof sealing structure, connector waterproof sealing structure, connector and casing composition surface hermetically-sealed construction, connector water logging power-off protection structure and the casing water inlet battery pack protection structure of unwinding.The present invention can ensure electric automobile passenger's in the process of paddling personal safety; passing through smoothly lower than the section of the safe fording depth of electric automobile; meet with after water logging is cast anchor and carry out rapidly power electric power-off protection at electric automobile, and can open emergency escape passage, for passenger withdraws and provides rapidly.
Wherein, casing composition surface waterproof sealing structure comprises casing 10, case lid 12, sealing joint strip 14, fastening bolt 16 and the clamp nut 18 for placing battery group (not shown).Casing 10 upper surface open, case lid 12 is by this closure of openings.Casing 10 and case lid 12 compress sealing joint strip 14 by self structure, and by fastening bolt 16 and the clamp nut 18 that is fixed on casing 10, case lid 12 are pressed abd fixed in adhesive tape groove 17.Clamp nut 18 is arranged in holddown groove.Concrete structure as shown in Figure 2.
Connector waterproof sealing structure comprises connector 19, and connector 19 comprises that connector fore shell 20, connector back cover 22, mover electrode 24 and caulking gum 26 form.Mover electrode 24, by putting into caulking gum 26 in the mode of grooved faces, carries out press seal by connector fore shell 20 and connector back cover 22.Composition surface between connector fore shell 20 and connector back cover 22 seals by filling fluid sealant, and compresses by fastening bolt (not shown), as shown in Figure 4.
Connector 19 comprises connector chamber 28, electrode joint pin 30, locking nut 32 and connector installing rack 34 with casing composition surface hermetically-sealed construction.Connector chamber 28 is connector installation position, concave space in the casing of independent closed, and connector chamber 28 is except electrode joint pin 30 and locking nut 32 installation site of living in, all inner isolated with casing 10, avoids into water.Electrode joint pin 30, by the waterproof sealing at locking nut 32 places, is avoided casing water inlet.Connector installing rack 34 is for clamp connector.Connector and casing composition surface hermetically-sealed construction are for avoiding due to the connector 19 casing water inlet causing of intaking, as shown in Figure 5.
Connector water logging power-off protection structure comprises that first liquid transducer 36, encapsulant 38, disconnect 40 and battery management system 42 form.First liquid transducer 36 is positioned over connector 19 centre positions, with circular port 46 UNICOMs that mover electrode 44 is set on connector 19, when mover electrode 44 meets with water logging, according to law of connected vessels, liquid will flow to first liquid transducer 36, and signal is passed to battery management system 42 by first liquid transducer 36, and battery management system 42 is to disconnect 40 sending action signals, thereby complete the disconnection process of battery and connector mover electrode 44, as shown in Figure 7.
Casing water inlet battery pack is unwind and is protected structure to comprise that drainage trough 48, second liquid transducer 50 and the second disconnect 52 form.The composition surface (be the edge of opening) of drainage trough 48 in casing 10 located, and the composition surface one of around tank 10 is enclosed, as shown in Figure 6.Cause into water if losing efficacy appears in casing composition surface waterproof sealing structure, liquid preferentially flows into drainage trough 48, there is the through hole 49 of a place and casing 10 inner UNICOMs in drainage trough, by fluid conduction to second liquid transducer 50, signal is passed to battery management system 42 by second liquid transducer 50, battery management system 42, to the second disconnect 52 sending action signals, unwinds thereby complete battery pack 54 stack batteries, as shown in Figure 8.
Above embodiment is only the present invention's a kind of execution mode wherein, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.

Claims (8)

1.一种底盘式防水电池箱，其包括中空的箱体，箱体上表面设置开口，还包括一将所述开口封闭的箱盖，所述箱体中设置有电池组，所述箱体或箱盖上设置一连接所述电池组的连接器，其特征在于：所述箱盖与箱体防水密封连接，所述连接器与所述箱体或箱盖防水密封连接。 1. A chassis-type waterproof battery box, which comprises a hollow box body, an opening is arranged on the box body upper surface, and a box cover that closes the opening is also included, a battery pack is arranged in the box body, and the box body Or the case cover is provided with a connector connected to the battery pack, characterized in that: the case cover is connected to the case body in a waterproof and sealed manner, and the connector is connected to the case body or the case cover in a watertight and sealed manner. 2.根据权利要求1所述的底盘式防水电池箱，其特征在于：所述箱体上相对所述箱盖的一面沿所述开口一周均设置有向内凹陷的胶条槽，所述胶条槽内设置有密封胶条，所述箱盖将所述密封胶条挤压在所述胶条槽内。 2. The chassis-type waterproof battery box according to claim 1, characterized in that: the side of the box body opposite to the box cover is provided with an inwardly recessed rubber strip groove along the circumference of the opening, and the glue strip groove A sealing rubber strip is arranged in the strip groove, and the box cover squeezes the sealing rubber strip into the rubber strip groove. 3.根据权利要求2所述的底盘式防水电池箱，其特征在于：所述箱体上沿所述开口一周设置有向内凹陷的固定槽，所述固定槽内设置有若干个紧固螺母，若干个穿过所述箱盖的螺栓螺纹连接在所述紧固螺母上，从而将所述箱盖固定在所述箱体上。 3. The chassis-type waterproof battery box according to claim 2, characterized in that: the box body is provided with an inwardly recessed fixing groove along the circumference of the opening, and several fastening nuts are arranged in the fixing groove , several bolts passing through the box cover are threadedly connected to the fastening nuts, thereby fixing the box cover on the box body. 4.根据权利要求3所述的底盘式防水电池箱，其特征在于：所述连接器包括连接器后壳、动力电极和连接器前壳，所述动力电极中间向两侧横向设置有防水板，所述防水板设置在所述连接器后壳和连接器前壳之间，所述防水板与所述连接器后壳和连接器前壳之间均设置有密封橡胶，所述连接器后壳和连接器前壳之间间隙通过胶水密封。 4. The chassis-type waterproof battery box according to claim 3, characterized in that: the connector includes a connector rear case, a power electrode and a connector front case, and a waterproof plate is arranged transversely to both sides in the middle of the power electrode , the waterproof plate is arranged between the connector rear shell and the connector front shell, and a sealing rubber is arranged between the waterproof plate, the connector rear shell and the connector front shell, and the connector rear The gap between the shell and the front shell of the connector is sealed by glue. 5.根据权利要求4所述的底盘式防水电池箱，其特征在于：所述箱体的一侧面设置有向内凹陷的连接器腔，所述连接器通过螺栓设置在所述连接器腔中，所述连接器腔底部设置电极连接柱，所述电极连接柱与所述连接器上的动力电极连接。 5. The chassis-type waterproof battery box according to claim 4, characterized in that: one side of the box body is provided with an inwardly recessed connector cavity, and the connector is set in the connector cavity by bolts , the bottom of the connector cavity is provided with an electrode connection post, and the electrode connection post is connected to the power electrode on the connector. 6.根据权利要求5所述的底盘式防水电池箱，其特征在于：所述连接器上还设置一第一液体传感器，所述第一液体传感器连接一电池管理系统，所述动力电极与所述电池组之间串联一第一断路开关；液体流向所述第一液体传感器时，所述第一液体传感器将信号传递给所述电池管理系统，所述电池管理系统向所述第一断路开关发送动作信号，从而将所述电池组与所述动力电极断开。 6. The chassis-type waterproof battery box according to claim 5, characterized in that: a first liquid sensor is also arranged on the connector, the first liquid sensor is connected to a battery management system, and the power electrode is connected to the A first disconnect switch is connected in series between the battery packs; when the liquid flows to the first liquid sensor, the first liquid sensor transmits a signal to the battery management system, and the battery management system sends a signal to the first disconnect switch An action signal is sent to disconnect the battery pack from the power pole. 7.根据权利要求6所述的底盘式防水电池箱，其特征在于：底盘式防水电池箱还包括电池组解链保护结构，所述电池组解链保护结构包括所述箱体上沿所述开口一周设置的引流槽,一第二液体传感器通过通孔连通所述引流槽，所述第二液体传感器连接所述电池管理系统。 7. The chassis-type waterproof battery box according to claim 6, characterized in that: the chassis-type waterproof battery box also includes a battery pack unlinking protection structure, and the battery pack unlinking protection structure includes the upper edge of the box body. A drainage groove is arranged around the opening, and a second liquid sensor communicates with the drainage groove through a through hole, and the second liquid sensor is connected to the battery management system. 8.根据权利要求7所述的底盘式防水电池箱，其特征在于：所述电池组包括多个相互串联的电池，所述电池之间串联有第二断路开关；液体流向所述第二液体传感器时，所述第二液体传感器将信号传递给所述电池管理系统，所述电池管理系统向所述第二断路开关发送动作信号，将所述电池之间电路断开，从而完成所述电池组解链。 8. The chassis-type waterproof battery box according to claim 7, characterized in that: the battery pack includes a plurality of batteries connected in series, and a second disconnect switch is connected in series between the batteries; the liquid flows to the second liquid sensor, the second liquid sensor transmits a signal to the battery management system, and the battery management system sends an action signal to the second disconnect switch to disconnect the circuit between the batteries, thereby completing the battery The group unlinks.
CN201310729252.3A 2013-12-26 2013-12-26 Chassis type Waterproof battery case Active CN103779514B (en)

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Cited By (7)

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Publication number Priority date Publication date Assignee Title
CN105489810A (en) * 2016-01-28 2016-04-13 江苏金坛汽车工业有限公司 Battery box structure
GB2538932A (en) * 2015-01-26 2016-12-07 Bytec Healthcare Ltd Battery module and casing
CN106558798A (en) * 2015-09-24 2017-04-05 泰科电子(上海)有限公司 For the connector assembly of battery case, battery case and cell apparatus
CN107230757A (en) * 2017-07-03 2017-10-03 系统电子科技（镇江）有限公司 A kind of battery bag with water resistance
US20180108891A1 (en) * 2016-10-14 2018-04-19 Inevit, Inc. Battery module compartment and battery module arrangement of an energy storage system
WO2022068872A1 (en) * 2020-09-30 2022-04-07 奥动新能源汽车科技有限公司 Electric connection device and water inflow detection method therefor
WO2022074954A1 (en) * 2020-10-09 2022-04-14 ダイムラー・アクチェンゲゼルシャフト Support device for battery pack, and electric truck

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JP2011194982A (en) * 2010-03-18 2011-10-06 Mitsubishi Motors Corp Battery case for vehicle
US20130089756A1 (en) * 2011-10-11 2013-04-11 Samsung Sdi Co., Ltd. Connector and battery pack including the same

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JP2011194982A (en) * 2010-03-18 2011-10-06 Mitsubishi Motors Corp Battery case for vehicle
CN201845815U (en) * 2010-06-08 2011-05-25 上海奕代汽车技术有限公司 Lithium battery pack protection device and lithium battery pack
US20130089756A1 (en) * 2011-10-11 2013-04-11 Samsung Sdi Co., Ltd. Connector and battery pack including the same

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2538932B (en) * 2015-01-26 2021-12-29 Bytec Healthcare Ltd Battery module and casing
GB2538932A (en) * 2015-01-26 2016-12-07 Bytec Healthcare Ltd Battery module and casing
CN106558798A (en) * 2015-09-24 2017-04-05 泰科电子(上海)有限公司 For the connector assembly of battery case, battery case and cell apparatus
CN105489810A (en) * 2016-01-28 2016-04-13 江苏金坛汽车工业有限公司 Battery box structure
CN105489810B (en) * 2016-01-28 2018-05-25 江苏金坛长荡湖新能源科技有限公司 A kind of battery box structure
US20180108891A1 (en) * 2016-10-14 2018-04-19 Inevit, Inc. Battery module compartment and battery module arrangement of an energy storage system
US20180105062A1 (en) * 2016-10-14 2018-04-19 Inevit, Inc. Battery module compartment chamber and battery module mounting area of an energy storage system and method thereof
CN107230757A (en) * 2017-07-03 2017-10-03 系统电子科技（镇江）有限公司 A kind of battery bag with water resistance
CN107230757B (en) * 2017-07-03 2023-06-02 系统电子科技（镇江）有限公司 Battery pack with waterproof performance
WO2022068872A1 (en) * 2020-09-30 2022-04-07 奥动新能源汽车科技有限公司 Electric connection device and water inflow detection method therefor
WO2022074954A1 (en) * 2020-10-09 2022-04-14 ダイムラー・アクチェンゲゼルシャフト Support device for battery pack, and electric truck
JP2022063125A (en) * 2020-10-09 2022-04-21 ダイムラー・アクチェンゲゼルシャフト Support device of battery pack and electric truck
JP7525365B2 (en) 2020-10-09 2024-07-30 ダイムラー トラック エージー Battery pack support device and electric truck

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