CN105742554B - Electromobile modularization quick-change power battery unit - Google Patents

Electromobile modularization quick-change power battery unit Download PDF

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Publication number
CN105742554B
CN105742554B CN201610238744.6A CN201610238744A CN105742554B CN 105742554 B CN105742554 B CN 105742554B CN 201610238744 A CN201610238744 A CN 201610238744A CN 105742554 B CN105742554 B CN 105742554B
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CN
China
Prior art keywords
battery
battery core
peg
core
module
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Expired - Fee Related
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CN201610238744.6A
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Chinese (zh)
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CN105742554A (en
Inventor
曾小华
刘迎春
唐军
梁雄林
黄静婷
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Chongqing Wireless Oasis Communication Technology Co Ltd
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Chongqing Wireless Oasis Communication Technology Co Ltd
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Priority to CN201610238744.6A priority Critical patent/CN105742554B/en
Publication of CN105742554A publication Critical patent/CN105742554A/en
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Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/486Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/653Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/502Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/531Electrode connections inside a battery casing
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The invention discloses a kind of electromobile modularization quick-change power battery unit, main body is several identical battery cores;The protrusion that extends outwardly in the middle part of the opposite both sides of every piece of battery core forms positive pole ear and negative lug.The both ends of battery core are fixed in two vertical support plates by positive pole ear and negative lug.All battery cores are cascaded and are formed together battery modules with support plate, and battery modules are placed in rectangular battery box, and Heat Conduction Material is filled in the gap between battery case and battery modules.Battery modules Anode and battery mould group cathode draws from the one of face of battery case jointly and is set as positive connection-peg and cathode connection-peg.This power battery unit is modularized design, is configurable in different automobile types, versatility is good;When configuration, there can be different collocation forms according to consumer's actual conditions.By changing electric mode, solve the problems, such as that the charging time is long, charging requirement is high.

Description

Electromobile modularization quick-change power battery unit
Technical field
The present invention relates to batteries of electric automobile technological improvement more particularly to a kind of electromobile modularization quick-change power batteries Unit belongs to electric vehicle engineering field.
Background technique
With the continuous sternness of world energy sources form, without using the new energy vehicle of traditional fuel more and more by everybody institute It advocates and encourages.Wherein electric car becomes the emphasis direction of Corporation R & D, and also achieves business with the development of technology and answer With progressing into people's lives.Although electric car realizes that the problem of road travels, it is faced is also many already, this It is the major reason for causing it to develop slowly, wherein radical restraining factors are exactly power battery.Current driving force battery is main It has the following deficiencies: that 1, cost is high, accounts for more than half of integral vehicle cost;2, cruising ability is weak, even if common batteries fill Full electricity can only also travel 200-300 kilometers, and with the increase of charging times, course continuation mileage can also be reduced constantly;3, battery Charging is inconvenient, much the layout density not as good as current gas station, and has certain requirement to charging ambient temperature, otherwise can Influence battery life;4, the service life is short, and the service life of power battery is usually 5-6, needs to buy new power battery after scrapping, and It is expensive, and consumer is difficult to bear;5, the charging time is long, even if fast charge is also required to more than half hour, with traditional oiling Oiling of standing still seems very slow, and fast charge course continuation mileage is shorter;6, different vehicle enterprises, the battery specifications of automobile type configuration are different, often It cannot exchange, cell production companies and vehicle manufacturer made higher requirement, while also improving automobile research Cost;Identical with a vehicle battery configuration, consumer cannot adjust personalizedly according to itself practical driving situation.7, in order to right Battery operating regime is monitored, and existing electric car is configured with BMS management system to power battery, and BMS management system is used for It monitors important informations, these information such as voltage, electric current and the temperature of battery to be stored in BMS management system, needs special set Standby to read, user is not equipped with such equipment therefore can not understand.Therefore existing electric car need periodic maintenance or The detection of battery is carried out under person's unusual condition, one of them important detection is exactly to read BMS Management System Data, passes through the inspection It surveys to improve on-vehicle battery operation reliability and safety;But due to current BMS management system can only periodic maintenance or go out It just goes to read wherein data when existing unusual condition, timeliness is poor, in many cases there are no to time scheduled maintenance, just as Battery problems and influence the use of vehicle or battery goes to work braving one's illness influences its service life.
Summary of the invention
In view of the above shortcomings of the prior art, the purpose of the present invention is to provide a kind of electromobile modularization quick changes Power battery unit, this power battery unit solves the problems, such as that the charging time is long, charging requirement is high, and is configurable on different vehicles In type, versatility is good;When configuration, there can be different collocation forms according to consumer's actual conditions.
To achieve the goals above, The technical solution adopted by the invention is as follows:
Electromobile modularization quick-change power battery unit, main body are several identical battery cores;All battery core electrical connections Post package is in battery case;The battery core is rectangular block shape, and the protrusion that extends outwardly in the middle part of the opposite both sides of every piece of battery core is formed should The positive pole ear and negative lug of battery core;All battery cores are arranged in parallel and positive pole ear and negative lug are located in transverse direction, The both ends of battery core are fixed in two vertical support plates by positive pole ear and negative lug, and support plate is mutually perpendicular to battery core; All battery cores are cascaded and are formed together battery modules with support plate;Battery modules are placed in rectangular battery box, in battery Heat Conduction Material is filled in gap between box and battery modules;Battery modules Anode and battery mould group cathode is jointly from battery case It draws and is set as positive connection-peg and cathode connection-peg in one of face.
It is equipped in every piece of battery core for acquiring the voltage sensor of the battery core voltage swing, acquiring the battery core size of current Current sensor and acquire the battery core temperature temperature sensor, voltage sensor, current sensor and the temperature of all battery cores Degree sensor passes through signal wire respectively and accesses same set of battery management system;The battery management system passes through bluetooth connection mode It is connect with vehicle-mounted bluetooth module, the output of vehicle-mounted bluetooth module picks up set controller and car networking module, and car networking module passes through Wireless transmission method is connect with car operation monitoring backstage.
The battery management system lies in a horizontal plane in battery core arranged side by side as a part of battery modules and collectively forms Upper surface on, and be packaged in battery case;Or it is fixed on battery box outer surfac.
Diagnosis interface, voltage sensor, current sensor and the temperature sensor point of all battery cores are equipped on battery case Not Tong Guo signal wire with diagnosis interface connect;Diagnosing interface can be every to be read by diagnosis interface with matched detection module grafting Voltage, electric current and the temperature information of a battery core.
Battery case both ends are provided with flame-resistant insulation handle rope, to facilitate through the artificial mobile battery unit of handle rope;
The battery case is the fire-retardant material of high-strength insulating, which is polydicyclopentadiene.
It is corresponding with positive connection-peg and cathode connection-peg that battery modules Anode and battery mould group cathode passes through fuse respectively Connection.
Dismountable plug-in module, the anode connection-peg and cathode connection-peg are installed on one piece of side wall of battery case Positioned at plug-in module lower surface and towards underface;The diagnosis interface is located at plug-in module upper surface one end;In plug-in module Two groups of conducting wires are inside equipped with, every group is connected as whole conducting wire by the fuse for two conducting wires in two, every group, thus shape At two whole conducting wires, wherein one whole conducting wire is separately connected positive connection-peg and battery modules anode, another whole conducting wire connects negative Pole connection-peg and battery modules cathode.
When battery core is connected, the positive pole ear of any one piece of battery core and the negative lug of another piece of adjacent battery core directly pass through Laser welding connection.
Compared with prior art, the invention has the following beneficial effects:
1, this modular battery unit volume is small, and standardization is unified, is suitable for different automobile types battery pack configuration requirement, both may be used It plugs in, it can also fast quick change electricity;When changing electricity, can both realize it is Machine automated efficiently change electricity, can also manually fast quick change electricity, Improve electric car maintainability.
2, using flexible can carry out various configurations according to different vehicle and service condition.It such as can be several by connecting Module meets electric car industry low pressure to high pressure different automobile types voltage requirements;It can also be expired by array battery unit in parallel Sufficient different automobile types continual mileage demand.
3, each battery unit and vehicle body use floating quick change adapter connector, and connection is reliable, it is electric easily quick to change, it is ensured that driving Battery comprehensive engagement in the process.
4, battery modules battery core is connected, and the welding of positive and negative anodes tab Direct Laser reduces the internal resistance of cell, reduces energy loss.
5, configure battery management system (BMS) module in battery modules, the moment to the working condition of each battery core into Row detection, while wireless transmission method is used, realize that the data on BMS and automobile instrument and backstage are transmitted.
6, it is directly stacked between module monomer battery core in groups, battery weight, battery size can be effectively reduced, improve energy Metric density.
7, battery case uses novel polydicyclopentadiene material, and substituted metal battery case mitigates case weight, and enhancing is anti- Protecting against shock ability is hit, safety is improved.
8, Heat Conduction Material (such as encapsulating silica gel) is filled between battery case and battery modules, is effectively transmitted to internal heat Outside battery case shell, fixed function is also effectively acted as to battery pack, the loosening after preventing Long-term Vibration.
9, certain block battery unit breaks down, and can individually replace to malfunctioning module, and does not have to entire battery more It changes, to reduce operation and maintenance cost.
Detailed description of the invention
Fig. 1-battery unit external structure schematic diagram of the present invention.
Fig. 2-battery module structure schematic diagram of the present invention.
The single battery core outline drawing of Fig. 3-present invention.
Schematic diagram is changed outside Fig. 4-fuse of the present invention.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
It referring to Fig. 1, Fig. 2, can be seen from the chart, electromobile modularization quick-change power battery unit of the present invention, lead Body is several identical battery cores 1, and all battery cores 1 are electrically connected post package in battery case 2.Specifically, the battery core 1 is rectangular sheet Shape, is shown in Fig. 3, and the protrusion that extends outwardly in the middle part of the opposite both sides of every piece of battery core forms the positive pole ear 3 and negative lug 4 of the battery core. All battery cores are arranged in parallel and positive pole ear and negative lug are located in transverse direction, and the both ends of battery core pass through 3 He of positive pole ear Negative lug 4 is fixed in two vertical support plates 5, and support plate 5 is mutually perpendicular to battery core 1, and support plate 5 is epoxy resin board. Theoretically, battery core both can be horizontally disposed, can also be vertically arranged, when being vertically arranged, two tabs both can towards left and right directions, Upper and lower ends can also be located at.Battery core 1 is vertically arranged side by side in embodiment, and for two tabs towards left and right directions, this spline structure is tighter It gathers, more conducively reduces the volume of battery unit, realize miniaturization.All battery cores 1 are cascaded and are formed together with support plate 5 Battery modules, Fig. 2 are battery module structure schematic diagram of the present invention.When battery core is connected, the positive pole ear 3 and phase of any one piece of battery core The negative lug 4 of another piece of adjacent battery core directlys adopt laser welding connection, can reduce the internal resistance of cell, reduces energy loss. Battery modules are placed in rectangular battery box 2, and Heat Conduction Material, such as silicon are filled in the gap between battery case and battery modules Glue, heat when silica gel works battery core on the one hand, which transfers out, to be come, and is distributed by battery case, on the other hand, silica gel enters battery core Between battery core, entire battery modules is made to constitute a solid entirety, strength and stability is all improved.Battery modules are just Positive connection-peg 6 and cathode connection-peg 7 are drawn from the one of face of battery case jointly and are set as to pole and battery modules cathode, figure 1 is the battery unit external structure schematic diagram after present invention encapsulation.
Battery unit of the present invention is modularized design, and single battery unit volume is small and exquisite, the long 303 ± 10mm of actual product, Wide 178.5 ± 10mm, high 202 ± 10mm.Light-weight, about 13-17kg facilitates installation and replacement, and women replacement is also not Problem.All battery unit standardization are unified, are suitable for different automobile types battery pack configuration requirement, both directly-chargeable, can also be fast Quick change electricity.When changing electricity, can both realize it is Machine automated efficiently change electricity, can also manually fast quick change electricity, improve electric car Maintainability.Meanwhile the arrangement of modularized design, more conducively battery unit on vehicle, compared with the design of conventional bulk battery, originally Structure is more conducively reasonable, makes full use of vehicle space.
This battery unit using flexible can carry out various configurations according to different vehicle and service condition.In embodiment Battery cell voltage is 72V platform, has module voltage radix advantage: such as can meet electric car by connecting several modules Industry low pressure is to high pressure different automobile types voltage requirements;Different automobile types continual mileage can also be met by array battery unit in parallel Demand can also carry out series-parallel mixed connection as needed.It is few in arrangement quantity compared with conventional monomer battery core battery, reduce Tie point improves high pressure connection reliability.When installation, directly by the positive connection-peg of battery unit and cathode connection-peg and vehicle Positive plug socket and cathode plug socket grafting on.To realize quick grafting and replacement, by positive connection-peg and cathode Connection-peg is designed as quick-inserting structure, i.e., automatic to realize and the anode on vehicle after battery unit is installed in place on vehicle Plug socket and the docking of cathode plug socket.
Since battery is modularized design, all vehicle specifications are unified, and theoretically, all electric cars can use This structure battery, only quantity is different, and connection type is different.User's selection had both been facilitated in this way, was also conducive to battery unit Design, production, reduce automobile research design cost, conducive to electric car promote operation and vehicle maintenance, mention simultaneously The security performance of high vehicle.
For convenience of the grasp and information collection to battery unit, it is equipped in every piece of battery core big for acquiring the battery core voltage Small voltage sensor, the temperature sensor for acquiring the current sensor of the battery core size of current and acquiring the battery core temperature, institute There are the voltage sensor, current sensor and temperature sensor of battery core to pass through signal wire respectively and accesses same set of battery management system 8(BMS);The battery management system is connect by bluetooth connection mode with vehicle-mounted bluetooth module, the output of vehicle-mounted bluetooth module Set controller and car networking module are picked up, on the one hand can directly be shown in the car by Vehicle Controller and in conjunction with display screen Show or alarm, another aspect car networking module is connect by wireless transmission method with car operation monitoring backstage, right by backstage Battery unit is monitored in real time and is managed.
The present invention configures a battery management system 8(BMS in each battery unit) module, the moment is to each battery core 1 Working condition detected, while using wireless transmission method, realize that the data on BMS and automobile instrument and backstage are transmitted, Backstage will to risk battery at the first time maintenance in place, will effectively control battery use it is safe.More traditional BMS management system, this Invention reduces the work of periodic maintenance detection battery pack, improves on-vehicle battery operation reliability and safety;Battery simultaneously Module is individually internally integrated that battery core unit is small, and integrated BMS more traditional independent BMS module reduces costs, and improves management system System Module Reliability.
The battery management system 8 lies in a horizontal plane in the common structure of battery core 1 arranged side by side as a part of battery modules At upper surface on, and be packaged in battery case 2;Such battery management system arragement construction, in the feelings for realizing product function Under condition, do not increase small product size.Certainly, battery management system can also be fixed on battery box outer surfac.
Diagnosis interface 9, voltage sensor, current sensor and the temperature sensor of all battery cores are equipped on battery case 2 It is connect respectively by signal wire with diagnosis interface 9;Diagnosing interface can be with matched detection module grafting to be read by diagnosis interface Take the voltage, electric current and temperature information of each battery core.User is facilitated to detect to battery unit and the palm of working condition in this way It holds, convenient for finding the problem in time, detection when situation occurs in particularly suitable battery.
Battery modules Anode and battery mould group cathode passes through fuse 10 and positive connection-peg 6 and cathode connection-peg 7 respectively It is correspondingly connected with.Specifically, dismountable plug-in module 11, referring also to Fig. 4, institute are installed on one piece of side wall of battery case 1 It states positive connection-peg 6 and cathode connection-peg 7 is located at 11 lower surface of plug-in module and towards underface;The diagnosis interface 9 is located at 11 upper surface one end of plug-in module;Two groups of conducting wires are equipped in plug-in module, every group passes through for two conducting wires in two, every group The fuse is connected as whole conducting wire, and two whole conducting wires are consequently formed, wherein one whole conducting wire is separately connected positive connection-peg With battery modules anode, another whole conducting wire connects cathode connection-peg and battery modules cathode.For convenience of change of fuse, fuse 10 are connect by dismountable mode with two conducting wires in every group.Specifically, two bolt blocks, spiral shell are equipped in plug-in module upper surface Bolt is connect also cross after fuse end connecting hole and the connecting pin connecting hole of corresponding lead with bolt block, by fuse with Conducting wire is fastenedly connected on bolt block.For safety and exsertion part (connecting portion, fuse and conducting wire) is protected, in grafting 11 upper surface of module is equipped with dismountable sealing cover 12, and sealing cover 12 covers fuse and the sealing of conducting wire and connecting portion.This Inventing each battery unit exterior design has independent fuse maintenance window, reaches rapid-maintenance replacement fuse purpose, compared with The maintenance of conventional batteries packet substantially reduces cost, improves efficiency.
1 both ends of battery case are provided with flame-resistant insulation handle rope 13, to facilitate through the artificial mobile battery unit of handle rope. The battery case 2 is the fire-retardant material of high-strength insulating, specially polydicyclopentadiene.Handle rope of the present invention is not influencing weight In the case of, manually efficient plug can be met and change battery and mobile battery;High-strength insulating inflaming retarding shell material can expire simultaneously Biped robot moves electricity certainly;It manually changes electricity to limit without the environment such as region, road conditions and facility, raising client, which drives, uses car body It tests, be conducive to electric car rescue maintenance and promote.
This battery unit uses modularized design, and module size specification is conducive to passenger vehicle battery arrangement, and has independent anti- Shell is protected, is designed without special battery pack arrangement, vehicle Anomalistic space can be made full use of in arrangement, compared with common batteries Feature of the monomer in arrangement design has: 1. designing without special monoblock type battery pack, reduces integral vehicle cost;2. sufficiently benefit With vehicle space, reasonable efficient arrangement battery;3. without giving oneself airs battery pack compared with traditional mode on floor, complete vehicle structure intensity requirement Height, the design thought are conducive to product light-weight design;4. enhancing vehicle convenient for designing split type battery case and vehicle integrated molding Structure, improve battery use it is safe.
The present invention is a kind of power battery structure of chargeable, interchangeable electricity, can be automatic based on fast changing battery energy source station, or is rescued It helps service manual quick-replaceable power battery unit and electric energy is fed to vehicle, it is long to solve the power battery charging time, changes electricity not It is convenient, and the problems such as electricity is at high cost is changed, it entirely changes electric process and only needs 2-3 minutes, when the waiting of user is greatly saved Between, the more conducively popularization and use of electric car.Consumer only needs replacing battery after battery power shortage, under normal conditions not It needs to charge (unless distant from energy services station), the energy services station completion of electricity service is changed in charging by specially providing.Due to It is the service station of profession, the optimum state of charging is easier to ensure that in equipment, technology, therefore the use longevity of battery can be improved Life and cruising ability.
The above embodiment of the present invention is only example to illustrate the invention, and is not to implementation of the invention The restriction of mode.For those of ordinary skill in the art, other can also be made not on the basis of the above description With the variation and variation of form.Here all embodiments can not be exhaustive.It is all to belong to technical solution of the present invention Changes and variations that derived from are still in the scope of protection of the present invention.

Claims (4)

1. electromobile modularization quick-change power battery unit, main body is several identical battery cores;After all battery core electrical connections It is encapsulated in battery case;It is characterized by: the battery core is rectangular block shape, extend outwardly in the middle part of the opposite both sides of every piece of battery core prominent Act the positive pole ear and negative lug for forming the battery core;All battery cores are arranged in parallel and positive pole ear and negative lug are located at laterally On direction, battery core is vertically arranged side by side, and two tabs are towards left and right directions;The both ends of battery core are solid by positive pole ear and negative lug It is scheduled in two vertical support plates, support plate is mutually perpendicular to battery core;All battery cores are cascaded and the shape together with support plate At battery modules;Battery modules are placed in rectangular battery box, filled with thermally conductive in the gap between battery case and battery modules Material;Battery modules Anode and battery mould group cathode drawn jointly from the one of face of battery case and be set as positive connection-peg and Cathode connection-peg;
The electricity for acquiring the voltage sensor of the battery core voltage swing, acquiring the battery core size of current is equipped in every piece of battery core Flow sensor and the temperature sensor for acquiring the battery core temperature, voltage sensor, current sensor and the temperature of all battery cores pass Sensor passes through signal wire respectively and accesses same set of battery management system;The battery management system passes through bluetooth connection mode and vehicle Bluetooth module connection is carried, the output of vehicle-mounted bluetooth module picks up set controller and car networking module, and car networking module passes through wireless Transmission mode is connect with car operation monitoring backstage;
Diagnosis interface is equipped on battery case, voltage sensor, current sensor and the temperature sensor of all battery cores lead to respectively Signal wire is crossed to connect with diagnosis interface;Diagnosing interface can be with matched detection module grafting to read each electricity by diagnosis interface Voltage, electric current and the temperature information of core;
Battery modules Anode and battery mould group cathode passes through fuse respectively and is correspondingly connected with positive connection-peg and cathode connection-peg;
Dismountable plug-in module is installed on one piece of side wall of battery case, the anode connection-peg and cathode connection-peg are located at Plug-in module lower surface and towards underface;The diagnosis interface is located at plug-in module upper surface one end;It is set in plug-in module There are two groups of conducting wires, every group is connected as whole conducting wire by the fuse for two conducting wires in two, every group, is consequently formed two Whole conducting wire, wherein one whole conducting wire is separately connected positive connection-peg and battery modules anode, another whole conducting wire connects cathode and inserts Connector and battery modules cathode.
2. electromobile modularization quick-change power battery unit according to claim 1, it is characterised in that: the cell tube Reason system is lain in a horizontal plane in as a part of battery modules on the upper surface that battery core arranged side by side collectively forms, and is packaged in In battery case;Or it is fixed on battery box outer surfac.
3. electromobile modularization quick-change power battery unit according to claim 1, it is characterised in that: in battery case two End is provided with flame-resistant insulation handle rope, to facilitate through the artificial mobile battery unit of handle rope;
The battery case is the fire-retardant material of high-strength insulating, which is polydicyclopentadiene.
4. electromobile modularization quick-change power battery unit according to claim 1, it is characterised in that: battery core series connection When, the positive pole ear of any one piece of battery core directly passes through laser welding with the negative lug of another piece of adjacent battery core and connects.
CN201610238744.6A 2016-04-18 2016-04-18 Electromobile modularization quick-change power battery unit Expired - Fee Related CN105742554B (en)

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