CN108075094A - Contact device, cover element, battery module and the method for running battery module - Google Patents

Contact device, cover element, battery module and the method for running battery module Download PDF

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Publication number
CN108075094A
CN108075094A CN201711097408.5A CN201711097408A CN108075094A CN 108075094 A CN108075094 A CN 108075094A CN 201711097408 A CN201711097408 A CN 201711097408A CN 108075094 A CN108075094 A CN 108075094A
Authority
CN
China
Prior art keywords
contact
contact element
electrical interface
arrangement
battery unit
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.)
Pending
Application number
CN201711097408.5A
Other languages
Chinese (zh)
Inventor
M.科尔贝格尔
M.库尔卡
S.洛伊特纳
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of CN108075094A publication Critical patent/CN108075094A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC 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
    • H01M50/10Primary casings; Jackets or wrappings
    • H01M50/147Lids or covers
    • H01M50/148Lids or covers characterised by their shape
    • H01M50/15Lids or covers characterised by their shape for prismatic or rectangular cells
    • HELECTRICITY
    • H01ELECTRIC 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
    • H01ELECTRIC 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
    • H01M10/4207Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
    • HELECTRICITY
    • H01ELECTRIC 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
    • H01M10/425Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • HELECTRICITY
    • H01ELECTRIC 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
    • H01M10/482Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
    • HELECTRICITY
    • H01ELECTRIC 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
    • H01ELECTRIC 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
    • H01ELECTRIC 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
    • H01M50/572Means for preventing undesired use or discharge
    • H01M50/574Devices or arrangements for the interruption of current
    • 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

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The present invention relates to a kind of battery modules(12)Or battery module(12)Cover element(14)Contact device(10).Contact device(10)There are two preferably movable relative to each other contact elements for tool(18、24), the contact element can respectively with battery unit(22)Voltage tap(20、26)Electrical contact.This outer contacting device(10)There are two electrical interfaces for tool(28、30), described two electrical interfaces can be with contact element(18、24)Connection.

Description

Contact device, cover element, battery module and the method for running battery module
Technical field
Device, cover element, battery module and method for running battery module are contacted the present invention relates to a kind of.
Background technology
It is known to be built with the battery module being made of multiple single batteries.Single battery be regularly one another in series herein or It is in parallel.The different types of battery connector being known from the state of the art is used to this.Usually it is, for example, to be bolted or can lead The contact bridge of electricity(Kontaktbrücken).
The content of the invention
The present invention proposes to introduce a kind of contact device of the cover element of battery module or battery module, wherein contact dress It puts and constructs as is described below.
The contact device of battery module is included by the matrix of material construction that cannot be conductive according to the present invention.The material can To be, for example, plastics, matrix is constructed by the material.
Contacting device is included in addition by the first contact element of material construction that can be conductive, the first contact element construction For the electrical contact that the first voltage of battery unit taps, and include the second contact element of the material construction by energy conduction, The second contact element is configured to the electrical contact of the second voltage tap of battery unit, wherein, first contact element and the Two contact elements are arranged on matrix.Material that can be conductive especially can be metal or metal alloy.Contact element can be with Different modes are arranged on matrix.Such as contact element can be implemented by the hole portion of matrix, be inserted into or be screwed to blind hole In be either located in the bottom side of matrix or side-walls or also additionally fix.
Contact device also has and can conductively be connected with first contact element or connected first electrical interface and conduction Ground can be connected with second contact element or connected second electrical interface.The connection can be for example by can be inserted into or another External enwergy fixed electric conductor manufactures.The connection can be deposited for example by the welding of conductor or by directly making electrical contact with .This outer contacting device includes switch element.The switch element may, for example, be transistor, preferably metal-oxide semiconductor (MOS) Field-effect transistor.Switch element can also be the switch such as relay of other electric control.Switch element can also be machine The switch of tool control.
It is constructed according to the present invention in the first arrangement of switch element between the first electrical interface and the second electrical interface direct Conductive connection.In the second arrangement of switch element direct conduction is not arranged between the first electrical interface and the second electrical interface Connection.Switch element can also characterize in the following manner, i.e. switch element its first arrangement in close and its second It is opened in arrangement.
Such contact device has the following advantages, can bridge the electricity being connected electrically in a particularly simple way with it Pool unit.Can for example open switch element under the normal operating condition of battery unit to this, and its battery unit therefore It is closed under barrier state, so as to bridge battery unit in the case of last.
It can be set in a favourable designing scheme, first contact element constructs the first electrical interface.It is as an alternative or attached It can set with adding, second contact element constructs the second electrical interface.Such designing scheme can be favourable, because they can To be particularly simply designed and be subjected to small loss.
It can be set in another designing scheme with particularly advantageous characteristic, first contact element connects compared with second Tactile element movably constructs, and wherein first contact element can be arranged in first position and arrange in the second position.Two Position preferably defines herein with reference to matrix.Can be moved towards one another herein with particularly advantageously two contact elements or that This is away from movement.Such designing scheme is particularly advantageous, because being with the interval of two contact elements of designing scheme It is changeable.Situation about being arranged in for contact device on battery unit, can be realized by the relative motion of contact element, can Electrical contact is made electrical contact with and can also interrupt at least to be established with the voltage tap of battery unit.Herein compared with battery unit The electrical contact of other voltage taps can keep existing.It is possible thereby to for example by the battery unit of failure completely from the circuit of electricity Middle separation.
It can be set in another designing scheme of contact device, switch element and first contact element exist as follows Control technology and/or mechanical aspects are connected to each other, i.e. the switch element is arranged in the first arrangement and first contact element It is arranged in first position or switch element is arranged in the second arrangement and first contact element is arranged in the second position. The manufacture of the so technical coupling of the on off state of switch element and the position of first contact element can have following excellent Point, their more reliable operations for battery module because thus such as battery unit bridge joint may with battery unit from Electricity in battery module is decoupled.
Coupling can be previously given in one side herein or in both sides.It can be understood as the position of first contact element in one side The change put causes the change of the arrangement of switch element, and the change of the on off state of switch element does not trigger first contact element Position change.It is previously given in one side it is also understood that switch arrangement change triggering first contact element position change Become, and such correlation that the position of first contact element changes is not related to switch arrangement.It is to couple as follows in both sides, works as presence If the correlation of the position of first contact element and the both sides of switch arrangement.The coupling of one side or both sides can be with various each The mode of sample is realized.Such as coupling can be the essence of electromechanical.Can especially trigger in this case electricity electric current or The movement of the machinery of the voltage of electricity.It is, for example, recognition unit under the meaning of the essence of electromechanical, shown recognition unit, which has, to be pressed Button, shown button move when application is especially by the movement of first contact element and the power touched and manipulate opening for conduction It closes, the switch of the conduction closes the circuit interrupted and thus electrically manipulates switch element.Coupling can also be at this It is the essence of electromechanical under meaning, the change of electric state means the effect of machinery.Coupling can also be entirely other sheets Matter.Such as it can be coupled by optical recognition unit, the position of the optical recognition unit control first contact element It puts.
For the service life for improving contact device and/or for the contact for providing stable and glitch-free normal operation Device can in addition be set in another designing scheme, construct the direct conduction between the first electrical interface and the second electrical interface Connection conductive connecting element and/or switch element be constructed at least partly in the inside of matrix.It can be particularly advantageous , connecting element and/or switch element construction completely are in the inside of matrix.It can be set in such designing scheme, base Body has cavity.Conductive material can be disposed in the cavities.
It can be set in another favourable designing scheme of contact device, first contact element has longitudinal direction and also has There is spring element, wherein, spring element is constructed in the following manner, in order to contact the contact surface of first voltage tap construction along longitudinal direction Direction move.It can alternatively or additionally set, second contact element accordingly constructs, wherein, second contact element Contact surface in order to contact second voltage tap and construct.This can has the following advantages, thus be contacted with being arranged on device Battery unit electrical contact and/or separation can be carried out in a manner of technically allowing and can simply implement.Especially The pressing force for generating the stability for improving electrical contact can be acted on due to spring.Spring can be for example used as spring element, The spring can generate linear power effect, preferably along spring longitudinal direction such as this situation for example in bolt spring that Sample.The longitudinal direction of contact element can for example characterize in the following way, be defined as follows direction, along the direction contact element With maximum stretching, extension or along the direction contact element with longest symmetry axis.The longitudinal direction of spring can for example pass through Following manner characterizes, and defines the direction of spring force.
It can be set in another designing scheme of contact device, first contact element has to contact first voltage point The contact surface of construction is connect, wherein, contact surface has surface texture.It alternatively or additionally can accordingly construct the second contact The contact surface of element, wherein second contact element constructs for contacting second voltage tap.Surface texture can be for example by opening Slot is formed.The use of contact surface with surface texture can be favourable, because it allows particularly reliable electrical contact and divides From.With the use of the contact of the similar punch die of the fluting of surface structure can be particularly suitable be to determine contact hard shell battery Or the also contact device of circular batteries.Contact element uses energy in the form of having the clip of the fluting on surface in both sides Enough contact devices technically particularly advantageously determined for contact pocket packed battery.
Contact device another designing scheme in can set, for electrical connection plug contact structure in energy stores On the power path of device.It can alternatively or additionally set, the interface that contact device includes electronics is used for battery module Battery management system at electrochemistry connection.In addition can set, the first either contact device of second method or into one Walking cover element described below includes controlling the control unit of battery unit or battery module.
It is further proposed that implement the cover element of the battery module of first method, wherein, cover element is according to the present invention Load-carrying unit including contact device and by material construction that cannot be conductive.Therefore cover element can also have multiple contacts to fill It puts.Load-carrying unit can for example plate shape ground construct.Load-carrying unit has the receiving portion for accommodating contact device construction.
Contacting device can be preferably constructed according to the invention as described above.Anyway contact device have by The matrix of material construction that cannot be conductive.This outer contacting device has by the first contact element of material construction that can be conductive, institute The electrical contact that first contact element is configured to the first voltage tap of battery unit is stated, and with by the conductive material structure of energy The second contact element made, the second contact element are configured to the electrical contact of the second voltage tap of battery unit.Here, First contact element and second contact element are arranged on matrix.This outer contacting device have conductively with first contact element energy Connection either connected first electrical interface and can be conductively connected with second contact element or connected second electrical interface. Contact device is so received in receiving portion according to the present invention, movable compared with load-carrying unit so as to contact device, wherein, it connects Tactile device can be arranged in first position and arrange in the second position.It first and second positions can be especially relative to appearance Receiving the position of restriction in portion defines.
Such cover element can be especially useful that it is arranged at battery module, and the battery module is by multiple electricity Pool unit is built.By the mechanical device being movably mounted in cover element that is can realize each battery unit with By its formation energy accumulator it is electrically separated, if each battery should not be used further to energy stores, for example because They are no longer appropriate for for energy stores.This can for example occur, when related battery unit failure or already below can make If minimum memory size.
It is expected that cover element according to the present invention provides in practice in the future from the point of view of application time point
It is particularly eye-catching and widely use possibility.It is noticeable that is can be in the future it is special, by In the electric vehicle of development(Elektromobilität)Substantial amounts of energy accumulator can be used, the energy accumulator is according to Although an application may no longer have enough power capabilities for driving electric vehicle, it can in addition contain as in Between memory for example apply in wind power plant or photovoltaic apparatus.Such energy accumulator can be supplied by the present invention To application again.Which save spend and at the same time protecting environment.
As long as it needs that this for example can be dismantled to common mechanical in the first step to drive the energy stores damaged Device, so as to retain remaining power module, the battery module has multiple battery units.If battery unit should pass through welding Battery connector be connected to each other, can separate in a subsequent step, for example by milling or pass through laser cutting. Then the cover element according to the present invention of the first and also second mode being described further below can be applied to machine On the battery unit not being separated from each other on tool.Battery can then be carried out by the mechanical device of cover element according to the present invention The arbitrary new connection of unit.It is possible thereby to for example each battery unit is electrically separated from battery module as described above, And remaining battery unit can also provide or storage energy.The flexible feasible scheme newly connected of battery unit can It provides further advantages in that, it is possible thereby to avoid the separation more than battery unit upper cost mechanically to each other and in other connection In must again partly connect.
In order to ensure that remaining battery unit can also form the suitable electricity provided for energy supply and/or energy Circuit for example can further be set, and contact device includes switch element and in the first arrangement of switch element first The connection of direct conduction is constructed between electrical interface and the second electrical interface and is connect in the second arrangement of switch element in the first electricity The connection of direct conduction is not arranged between mouth and the second electrical interface.In addition it can set, the switch element and be connect to detect The unit of the first position for touching device and/or the second position for contacting device is as follows in control technology and/or machinery side Face is connected to each other, i.e. the switch element is arranged in the first arrangement and contacts device and is arranged in first position, Huo Zhekai Element is closed to be arranged in the second arrangement and contact device arrangement in the second position.
The coupling being achieved in that of the position of switch element and contact device can especially cause following advantage, described excellent Coupling above with contacting switch element and first contact element in device is connectedly described by point.Thus especially It can be achieved on the bridge joint of the desired electricity of battery unit.Coupling can also be manufactured in a different manner in interrelated simultaneously And it is in unilateral side or in both sides.In this regard with reference to embodiment above.
It is further proposed that implementing the cover element of the battery module of second method, include according to the present invention by cannot The load-carrying unit of conductive material construction.Cover element is further included by the first contact element of material construction that can be conductive, the One contact element is configured to the electrical contact of the first voltage tap of battery unit, and is constructed including the material by being capable of conduction Second contact element, second contact element be configured to battery unit second voltage tap electrical contact.Load-carrying unit has There is the first receiving portion, first contact element is accommodated in the first receiving portion, and with the second receiving portion, in the second receiving portion Accommodate second contact element.The first contact element in the first receiving portion is movable compared with second contact element according to the present invention Ground constructs, wherein, the first contact element in the first receiving portion can be arranged in first position and can be arranged in the In two positions.Here, second contact element movably or can be constructed immovably.It especially can advantageously such lid There is volume elements part more than one first receiving portion and more than one second receiving portion to be respectively used to the first and second contact elements.
The cover element of the cover element first method as described above of so described second method is similary like that Realize movable mechanical device.Mechanical device can be realized in a manner of alternative in a word.Since mechanical device is achievable It is also applied for described herein the advantages of description related with the cover element of first method in the corresponding way above The cover element of two modes.
It can be set in the designing scheme of the cover element of second method, first contact element constructs the first electrical interface. It can alternatively or additionally set, second contact element constructs the second electrical interface.In addition it can set, construct switch element, Wherein, switch element first arrangement between the first electrical interface and the second electrical interface construct direct conduction connection and The connection of direct conduction is not constructed between the first electrical interface and the second electrical interface in the second arrangement of switch element.In addition may be used To set, the switch element and the first contact element connect each other in control technology and/or mechanical aspects as follows It connects, i.e. the switch element is arranged in the first arrangement and first contact element is arranged in first position or switchs member Part is arranged in the second arrangement and first contact element is arranged in the second position.The function of switch element and the first contact element The advantages of coupling being achieved in that of the position of part can cause to have been described above especially causes institute's phase of battery unit The bridge joint of the electricity of prestige.
For the service life for improving cover element and/or for the cover for providing stable and glitch-free normal operation Element can set in another designing scheme of the cover element of second method, construct and be connect in the first electrical interface and the second electricity The conductive connecting element and/or switch element of the connection of direct conduction between mouthful are at least partly in the inside of load-carrying unit It is constructed.
The present invention also proposes implementation battery module, and the battery module includes multiple battery units according to the present invention.It is multiple At least two, preferably three or more than three quantity are interpreted as at this.Battery unit is respectively provided with a first voltage Tap and a second voltage tap.Battery module further includes contact device according to the present invention as described above.As an alternative Battery module includes the cover element of described above according to the present invention first or second method, and wherein cover element includes Device is contacted, the contact device preferably constructs according to the present invention.Such battery module can has the following advantages, described Advantage further above with the designing scheme of the contact device of the first and second modes and cover element connectedly by Description.The advantages of describing there especially works to the battery module of mode described here, because technical reason It often may the functionality of actively impact battery module in itself.
It is further proposed that implement the method for running battery module, in the first step, as described above First either the contact device according to the present invention of second method or cover element according to the present invention is provided.In addition, Multiple battery units and the unit for detecting the measured value of battery unit are provided in one step, multiple battery units have respectively There are one first voltage taps and a second voltage to tap.Measured value can for example be related to the measured value, such as of battery unit Memory capacity, voltage, current strength, gas pressure or humidity workable for temperature, charged state, holding.Measured value can be with Such as it is detected by suitable sensor.Construction is in the first voltage tap of battery unit and first after in the second step Being conductively connected between contact element and the conduction between the second voltage tap and second contact element of battery unit are even It connects.It is then detected and surveyed by the limiting value of measured value in four steps in the third step according to following more accurate description Magnitude exceeds.Limiting value can for example describe the key state or malfunction of battery unit.The 5th step is connected herein, 5th step is described further below.
Contact device according to the present invention is provided in the first step in the first variant scheme of method.In third step The switch element of middle contact device is arranged in the first arrangement.Switch element is then arranged in the second arrangement in the 5th step In.
First method described above is provided in the first step according to the present invention in the second variant scheme of method Cover element.It is arranged in the contact device of third step middle cover volume elements part in first position.Dress is contacted in the 5th step It puts and then arranges in the second position.
Second method described above is provided in the first step according to the present invention in the 3rd variant scheme of method Cover element.It is arranged in the first contact element of third step middle cover volume elements part in first position.In the 5th step and First contact element is arranged in the second position afterwards.
Three variant schemes according to the present invention have the following advantages, battery unit can be realized from the electricity of electric internet safe Separation and/or the bridge joint of possible breakdown or the battery unit in key state.Especially the method shares advantages below, The advantage has been described above the designing scheme according to the present invention with the contact device of the first and second modes and cover element Connectedly show.
Description of the drawings
The present invention is illustrated by the embodiment shown in arbitrary attached drawing.The present invention is not limited to embodiment.It is other Embodiment by it is each or it is multiple protection the mutual features of claim combination and/or utilize the embodiments described below Each or multiple feature provide.Wherein:
Fig. 1 shows an embodiment of contact device according to the present invention, and contact device is electrically connected with battery unit;
Fig. 2 shows another embodiment of contact device according to the present invention in side view;
Fig. 3 shows another embodiment of contact device according to the present invention seen from above;
Fig. 4 shows the contact device being shown in FIG. 3, wherein, first contact element is movably arranged compared with Fig. 3.
Fig. 5 shows an embodiment of the cover element according to the present invention of first method;
Fig. 6 shows an embodiment of the cover element according to the present invention of second method;
Fig. 7 shows an embodiment of battery module according to the present invention;And
Fig. 8 shows the flow chart of the method according to the invention.
Specific embodiment
Even if element consistent in its function has deviation in the following description of the different embodiments of the present invention Design or moulding also obtain usually consistent reference numeral.
Fig. 1 shows the embodiment of contact device 10 according to the present invention.Contact the electricity not shown in device 10 and Fig. 1 The battery unit 22 of pond module 12 is electrically connected.There is the first contact element 18 with contact surface 40 to this contact device 10.The The contact surface 40 of one contact element 18 contacts the first voltage tap 20 of battery unit 22.In addition, contact device 10 has second Contact element 24.The contact surface 40 of second contact element 24 contacts the second voltage tap 26 of battery unit 22.Here, first connects Element 18, second contact element 24, first voltage tap 20 and second voltage tap 26 is touched to be made of material that can be conductive, Here it is made of metal in the present embodiment.
First contact element 18 and such as second contact element 24 are arranged in base being made of plastics, cannot conducting In the blind hole of body 16.Matrix 16 also has a passage 11, and the passage is by the second side of the first side 13 of matrix 16 and matrix 15 connections.Terminating to arrange the first electrical interface 28 at the opening 17 of the passage 11 of side 13.Terminating the passage in side 15 The second electrical interface 30 is arranged at 11 opening 19.First electrical interface 28 is in the second electrical interface 30 by the connecting element 34 of electricity In contact that can be conductive.The connecting element 34 of electricity is guided in the inside of passage 11 and is therefore completely in matrix 16 herein Inside.The connecting element 34 of electricity includes the first electric conductor section 51 and the second electric conductor section 53.Two conductor sections 51, Switch element 32 is arranged between 53.The e.g. transistor of switch element 32, the transistor energy in embodiment described here Enough electric control lines 29 by opening 17 out are controlled.
Electrical interface 28 also by the electric lead 23 that is guided inside matrix 16 in the matrix 16 of first contact element 18 The region 21 that portion is put is electrically connected.Accordingly the region 27 of second contact element 24 passes through the electric lead that is guided inside matrix 16 25 are electrically connected with the second electrical interface 30.The switch formed in the first arrangement of switch element 32 by switch element 32 is opened simultaneously And thus first contact element 18 and second contact element 24 are not directed through contacting device 10 and are electrically connected.In switch element 32 The switch formed in second arrangement by switch element is closed and thus first contact element 18 and second contact element 24 are led to Contact device 10 is crossed to be in electrical contact.By the change at the interval that contacts device 10 and battery unit 22 or at least through the The change of the position of one contact element 18 and/or second contact element 24 is led between the first electrical interface 28 and the second electrical interface 30 The existing electrical connection of battery unit 22 is crossed to be separated.
Fig. 2 shows an embodiment of contact device 10 according to the present invention in side view.The embodiment is especially It is to contact 10 difference of device with shown in FIG. 1, because electric connecting element 34 and switch element 32 is not arranged at herein The inside of matrix 16 does not have passage 11 in described matrix embodiment shown in figure 2.To this first contact element 18 and Two contact elements 24 are implemented respectively by the hole portion of matrix 16.Two contact elements 18,24 are respectively provided with the contact surface 40 on surface, The contact surface on surface is respectively provided with the surface texture to form fluting.Contact surface 40 is respectively along corresponding contact element 18,24 Longitudinal direction 36 is movably disposed.
There is corresponding contact element 18,24 subcomponent 31 below corresponding contact surface 40 to be scarfed in addition accordingly Contact element 18,24 the upper surface of subcomponent 33 in.Forming the spring element 38 of bolt spring includes following subcomponent 33. Spring element 38 is supported and fixed on matrix 16 in upside and supported and fixed in downside in the prominent of following subcomponent 31 On the region gone out.In dynamic balance thus corresponding contact element has definite length.If contact device 10 is pressed onto voltage It taps on 20. 26, spring element 38 is compressed, so as to generate the pressing force for improving electrical contact.
Fig. 3 and Fig. 4 another embodiments viewed from above for showing detection device 10 according to the present invention.Contact device 10 With for accommodate the first longitudinal direction of first contact element 18 extension receiving portion 33.The first contact element 18 in receiving portion 33 Movably arranged along direction 37 and along corresponding opposite direction 37'.Second contact element 24 is in circular receiving portion 35 In compatibly arrange, so that it is along direction 37 or 37' is immovable in the opposite direction.First contact element 18 in the result It can move towards one another or move away from each other with second contact element 24.It is first contact element 18 for that reason along direction 37 or the movement on corresponding opposite opposite direction 37'.First contact element 18 is arranged in receiving portion 33 in figure 3 In first position.First contact element 18 is arranged in the second position in receiving portion 33 in Fig. 4.
In addition, the contact device 10 shown in figs. 3 and 4 has unit 39, can be detected with the unit, such as Fruit first contact element 18 is arranged in first position and if first contact element 18 is arranged in the second position.If the One contact element 18 is as in figure 3 in first position, then switch element 32 is opened.Embodiment described here In, trigger current, if first contact element 18 as being shown in FIG. 4 as arranged in the second position.Carry out this Point, method are:First contact element 18 manipulates the switch do not described.Current direction is configured to the door of the switch element 32 of transistor Pole, result are closed.Thus the state of switch element 32 is couple on the position of first switching element 18.
Fig. 5 shows an embodiment of the cover element 14 according to the present invention of first method.The lid of cover element 14 Portion 41 is not explicitly depicted in Figure 5(Referring to compared with 41 Fig. 7 of cover).Cover element 14 has load-carrying unit 42.Load-carrying unit There is total of four receiving portion 44 in 42 embodiments shown here.Accommodate contact device 10 respectively in receiving portion 44.It connects Device 10 is touched to be constructed according to contact device 10 shown in Figure 2.It is movable along the longitudinal extension part of contact device to contact device 10 Ground is supported in corresponding receiving portion 44.In the embodiment shown here to this, there is provided not yet explicitly describe, be encased in It is removable to contact device 10 on the track for track in corresponding receiving portion 44.Three contacts in four contact devices 10 Device is arranged in the first position of corresponding receiving portion 44, and a contact device in four contact devices 10 is arranged in second In position.
Unit 46 is set up, can be detected with the unit, if contact device 10 is arranged in first position or the In two positions.Switch element 32 is couple in the position of contact device 10 as follows by unit 46, i.e. switch element 32 It opens in first position and closes in the second position.If cover element 14 is arranged in four battery lists being arranged side by side In member 22, the alternate connection based on adjacent contact element 18,24 is gone here and there in Figure 5 by 43 battery unit 22 of connecting wire Connection.If contact device 10 is in first position, electric current is carried out by corresponding battery unit 22.If it contacts at device 10 In the second position, electric current is carried out by the switch element 32 then closed.
Fig. 6 shows an embodiment of the cover element 14 according to the present invention of second method.Corresponding two contacts The connection of element 18,24 and range of relative motion are corresponding largely to the cover element 14 in Fig. 5, there is the pass with Fig. 5 In this regard keypad is not that the matrix 16 of contact device 10 is not movably supported in receiving portion 44, but first contacts Element 18 itself is movably arranged in the first receiving portion 48 along the longitudinal extension part of cover element 14.Second contact element 24 It is fittingly accommodated in respectively in the second receiving portion 50, second receiving portion does not allow the longitudinal extension part along cover element 14 Movement.
Fig. 7 shows an embodiment of battery module 12 according to the present invention.Battery module 12 includes holder 45. Multiple battery units 22 are arranged side by side in holder 45.Cover element 14, described cover element such as Fig. 5 are laid on holder 45 In show as construction.Cover element 14 herein include cover 41, the cover surround on the outside interlocking holder 45 and It is fixed on by the immobilising device being not explicitly depicted on holder 45.Cover 41 the height of inside load-carrying unit 42 adjustably by Arrangement.In order to adjust height, load-carrying unit 42 is bolted 49 and is connected with cover 41.Be bolted 49 has handle on the outside Hand part 47, the handle member can manual manipulations.It is suitably adjusted by height, the electrical connection of battery unit 22 passes through cover element 14 as can be realized as described above.Battery unit 22 can be electrically separated, and method is:Load-carrying unit 42 is twisted upwards Tightly.
Fig. 8 shows the flow chart of the method according to the present invention for being used to run battery module 12, for example for service chart 7 In the battery module 12 that shows.
Contact device 10 as described above or as previously described that are for example provided in first step 100 The cover element 14 of sample.In addition multiple battery units 22 are provided, the multiple battery unit is respectively provided with a first voltage point Connect 20 and a second voltage tap 26.As long as battery unit 22 is in each other by unit connector in contact, then they It is for example separated first by milling or by laser cutting with the voltage tap 20,26 of battery unit.In addition for each electricity Pool unit 22 provides a temperature sensor respectively, and corresponding electricity can be measured by hygrosensor with the temperature sensor The temperature of pool unit 22.
The first contact element 18 and battery unit of device 10 or cover element 14 are then contacted in second step 102 22 20 electrical connection of corresponding first voltage tap.Accordingly corresponding second contact element 24 and corresponding second voltage tap 26 Electrical connection.This point can be for example carried out, method is:Cover element 14 is applied on the holder 45 of battery module 12.
Switch element 32 is opened in third step 104.As long as first contact element 18 is movable and switch element It is couple in one of 32 modes described in front in the position of first contact element 18, it can be to this enough by the first contact element Part 18 is kept in the position adjusted in a step 102 for making electrical contact with.
The temperature of corresponding battery unit is measured in four steps 106 and compared with threshold temperature.If temperature is surveyed It measures higher than threshold temperature, the method is gone in the 5th step 108.
Such switch element 32 is closed in the 5th step, and battery unit 22 is equipped with the switch element, wherein, measurement To excessively high temperature.As long as first contact element 18 is movable and the coupling in one of mode described before of switch element 32 It is connected in the position of first contact element 18, it is movable in the second position in order to turn off the switch 32 first contact element 18 of element, Such as in the second position being shown in FIG. 5.

Claims (16)

1. battery module(12)Or battery module(12)Cover element(14)Contact device(10), have by that cannot lead The matrix of the material construction of electricity(16), and also have by the first contact element of material construction that can be conductive(18), it is described First contact element is configured to battery unit(22)First voltage tap(20)Electrical contact, and with by can be conductive Material construction second contact element(24), the second contact element is configured to battery unit(22)Second voltage point It connects(26)Electrical contact, wherein first contact element(18)And second contact element(24)It is arranged in matrix(16)On, wherein connecing Touch device(10)In addition have conductively with first contact element(18)It can connect or connected first electrical interface(28) Conductively with second contact element(24)It can connect or connected second electrical interface(30), and the contact device (10)In addition switch element is included(32), which is characterized in that in switch element(32)First arrangement in the first electrical interface (28)With the second electrical interface(30)Between construct direct conduction connection and in switch element(32)The second arrangement in the One electrical interface(28)With the second electrical interface(30)Between do not construct the connection of direct conduction.
2. by contact device described in claim 1(10), which is characterized in that the first contact element(18)The first electricity of construction Interface(28)And/or second contact element(24)Construct the second electrical interface(30).
3. the contact device as any one of preceding claims(10), which is characterized in that the first contact element (18)Compared with second contact element(24)Movably construct, wherein, the first contact element(18)First can be arranged in In position and arrange in the second position.
4. the contact device as described in claim 3(10), which is characterized in that the switch element(32)With the described first contact Element(18)It is connected to each other as follows in control technology and/or mechanical aspects, i.e. the switch element(32)It is arranged in One arrangement in and first contact element(18)It is arranged in first position or the switch element(32)It is arranged in the second cloth In putting and first contact element(18)Arrangement is in the second position.
5. by contact device any one of Claims 1-4(10), which is characterized in that the construction connects in the first electricity Mouthful(28)With the second electrical interface(30)Between direct conduction connection conductive connecting element(34)And/or switch element (32)At least partly in matrix(16)Inside be constructed.
6. the contact device as any one of claim 1 to 5(10), which is characterized in that the first contact element (18)And/or second contact(24)Correspondingly there is longitudinal direction(36)And also it is respectively provided with spring element(38), wherein, bullet Spring element(38)It is constructed in the following manner, in order to contact corresponding voltage tap(20、26)The contact surface of construction(40)Along accordingly Longitudinal direction(36)Direction move.
7. by contact device according to any one of claims 1 to 6(10), which is characterized in that the first contact element (18)And/or the second contact element(24)It is respectively provided with to contact corresponding voltage tap(20、26)The contact of construction Face(40), wherein, the contact surface(40)In at least one contact surface have surface texture, especially slot.
8. with contact device(10)With the load-carrying unit by material construction that cannot be conductive(42)Battery module(12)Lid Volume elements part(14), the load-carrying unit has contacts device for accommodating(10)The receiving portion of construction(44), wherein, the contact Device(10)With the matrix by material construction that cannot be conductive(16), and also there is first constructed by the conductive material of energy Contact element(18)With the second contact element by material construction that can be conductive(24), the first contact element is configured to electricity Pool unit(22)First voltage tap(20)Electrical contact, the second contact element is configured to battery unit(22)Second Voltage tap(26)Electrical contact, wherein, the first contact element(18)With the second contact element(24)It is arranged in base Body(16)On, wherein, the contact device(10)Also have conductively with first contact element(18)It can connect or be connected The first electrical interface connect(28)Conductively with second contact element(24)It can connect or connected second electrical interface (30), which is characterized in that the contact device(10)So in receiving portion(44)In be received so that the contact device(10) Compared with load-carrying unit(42)Movably, wherein the contact device(10)First position neutralization can be arranged in and be arranged in second In putting.
9. the cover element as described in claim 8(14), wherein, the contact device(10)Including switch element(32)And Wherein in switch element(32)First arrangement in the first electrical interface(28)With the second electrical interface(30)Between construct and directly lead Electricity connection and in switch element(32)Second arrangement in the first electrical interface(28)With the second electrical interface(30)Between not Construct the connection of direct conduction, which is characterized in that the switch element(32)With in order to detect contact device(10)First Put and/or contact device(10)The second position unit(46)As follows in control technology and/or mechanical aspects each other Connection, i.e. the switch element(32)It is arranged in the first arrangement and contacts device(10)Be arranged in first position or Switch element(32)It is arranged in the second arrangement and contacts device(10)Arrangement is in the second position.
10. with the load-carrying unit by material construction that cannot be conductive(42)And also have by can be conductive material construct the One contact element(18)Battery module(12)Cover element(14)And it is connect with second constructed by the conductive material of energy Touch element(24), the first contact element is configured to battery unit(22)First voltage tap(20)Electrical contact, institute It states second contact element and is configured to battery unit(22)Second voltage tap(26)Electrical contact, wherein, it is described carrying member Part(42)With the first receiving portion(48), first contact element is accommodated in first receiving portion(18)And hold with second Receive portion(50), second contact element is accommodated in second receiving portion(24), which is characterized in that in the first receiving portion(48)In At least one first contact element(18)Compared with second contact element(24)Movably construct, wherein, in the first receiving portion (46)In the first contact element(18)It can be arranged in first position and arrange in the second position.
11. the cover element as described in claim 10(14), wherein, the first contact element(18)Construct the first electrical interface (28)And/or wherein described second contact element(24)Construct the second electrical interface(30)And wherein also construct switch element (32), wherein in switch element(32)First arrangement in the first electrical interface(28)With the second electrical interface(30)Between construct it is straight Connect conductive connection and in switch element(32)Second arrangement in the first electrical interface(28)With the second electrical interface(30)It Between do not construct the connection of direct conduction, which is characterized in that the switch element(32)With the first contact element(18)With such as Under type is connected to each other in control technology and/or mechanical aspects, i.e. the switch element(32)Be arranged in the first arrangement and First contact element(18)It is arranged in first position or switch element(32)It is arranged in the second arrangement and first contacts Element(18)Arrangement is in the second position.
12. the cover element as described in claim 11(14), which is characterized in that the construction is in the first electrical interface(28)With Two electrical interfaces(30)Between direct conduction connection conductive connecting element(34)And/or switch element(32)At least partly Ground is in load-carrying unit(42)Inside be constructed.
13. with multiple battery units(22)Battery module(12), the multiple battery unit be respectively provided with one first electricity Pressure tap(20)It is tapped with a second voltage(26), and with according to the contact dress any one of claim 1 to 7 It puts(10)Or with contact device(10)According to the cover element any one of claim 8 to 12(14).
14. for running battery module(12)Method, wherein, in first step(100)It is middle that multiple battery units are provided(22) With according to the contact device any one of claim 1 to 7(10), and yet provide to detect battery unit(22) Measured value unit(52), the multiple battery unit is respectively provided with first voltage tap(20)With a second voltage Tap(26), and then in second step(102)Middle construction is in battery unit(22)First voltage tap(20)And contact Device(10)First contact element(18)Between be conductively connected and in battery unit(22)Second voltage tap(26) With contact device(10)Second contact element(24)Between be conductively connected, and then in third step(104)In will open Close element(32)It is arranged in the first arrangement, and then in four steps(106)In, it is detected and surveyed by the limiting value of measured value Magnitude exceeds, and then in the 5th step(108)It is middle by switch element(32)It is arranged in the second arrangement.
15. for running battery module(12)Method, wherein, in first step(100)It is middle that multiple battery units are provided(22) With the cover element as any one of claim 8 to 9(14), and yet provide to detect battery unit(22)'s The unit of measured value(52), the multiple battery unit is respectively provided with first voltage tap(20)With a second voltage point It connects(26), and then in second step(102)Middle construction is in battery unit(22)First voltage tap(20)With cover member Part(14)Contact device(10)First contact element(18)Between be conductively connected and in battery unit(22)Second Voltage tap(26)With contact device(10)Second contact element(24)Between be conductively connected, and then in third step (104)In will contact device(10)It is arranged in first position, and then in four steps(106)In pass through the pole of measured value Limit value detection measured value exceeds, and then in the 5th step(108)In will contact device(10)Arrangement is in the second position.
16. for running battery module(12)Method, wherein, in first step(100)It is middle that multiple battery units are provided and are pressed Cover element any one of claim 10 to 12(14), and yet provide to detect battery unit(22)Survey The unit of magnitude(52), the multiple battery unit is respectively provided with first voltage tap(20)It is tapped with a second voltage (26), and then in second step(102)Middle construction is in battery unit(22)First voltage tap(20)With cover element (14)First contact element(18)Between be conductively connected and in battery unit(22)Second voltage tap(26)And lid Volume elements part(14)Second contact element(24)Between be conductively connected, and then in third step(104)It is middle to be connect first Touch element(18)It is arranged in first position, and then in four steps(106)In detected and survey by the limiting value of measured value Magnitude exceeds, and then in the 5th step(108)It is middle by first contact element(18)Arrangement is in the second position.
CN201711097408.5A 2016-11-10 2017-11-09 Contact device, cover element, battery module and the method for running battery module Pending CN108075094A (en)

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DE102016222074.8A DE102016222074A1 (en) 2016-11-10 2016-11-10 Contacting device, cover element, battery module and method for operating a battery module

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Application publication date: 20180525