EP2601667A1 - Dispositif de connexion d'une batterie à un véhicule électrique ou hybride, et coffre à batterie comprenant ledit dispositif de connexion. - Google Patents
Dispositif de connexion d'une batterie à un véhicule électrique ou hybride, et coffre à batterie comprenant ledit dispositif de connexion.Info
- Publication number
- EP2601667A1 EP2601667A1 EP11738233.3A EP11738233A EP2601667A1 EP 2601667 A1 EP2601667 A1 EP 2601667A1 EP 11738233 A EP11738233 A EP 11738233A EP 2601667 A1 EP2601667 A1 EP 2601667A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- battery
- electrical
- connection device
- vehicle
- electric
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K28/00—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions
- B60K28/10—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the vehicle
- B60K28/14—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the vehicle responsive to accident or emergency, e.g. deceleration, tilt of vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/04—Cutting off the power supply under fault conditions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
- B60L50/64—Constructional details of batteries specially adapted for electric vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/70—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by fuel cells
- B60L50/71—Arrangement of fuel cells within vehicles specially adapted for electric vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H39/00—Switching devices actuated by an explosion produced within the device and initiated by an electric current
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/021—Details concerning the disconnection itself, e.g. at a particular instant, particularly at zero value of current, disconnection in a predetermined order
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00304—Overcurrent protection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00308—Overvoltage protection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00309—Overheat or overtemperature protection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H39/00—Switching devices actuated by an explosion produced within the device and initiated by an electric current
- H01H2039/008—Switching devices actuated by an explosion produced within the device and initiated by an electric current using the switch for a battery cutoff
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
Definitions
- the present invention relates to the field of motor vehicles of the electric or hybrid type, requiring the use of electric batteries.
- the present invention relates to the field of battery electrical connection devices in a motor vehicle.
- Electric vehicle means a vehicle as defined in the United Nations Regulation No. 100 on the Approval of Battery Electric Vehicles.
- a fuse said "passive" to isolate an electrical element when it delivers an electric current greater than a value determined by the characteristics of the fuse.
- the fuse then operates as a circuit breaker.
- the fuse reacts only to an electric current, and does not isolate the electrical element in case of other malfunctions on the electrical circuit.
- controlled switches it is also possible to provide controlled switches to isolate an electrical element. However, these controlled switches are not always fast enough to ensure the protection of people likely to be in contact with the electrical element. In addition, the controlled switch can also reconnect the electrical element, even if the electrical malfunction is not fully corrected.
- circuit breakers are known, for example those described in the documents EP0639844, EP0688699, EP0791942, EP0936648, W09731385. Such circuit breakers are not satisfactory in terms of speed and / or resistance to electric arcs.
- circuit breakers with pyrotechnic elements there are also circuit breakers with pyrotechnic elements, as described in documents EP0665566 or FR2869450. However, these devices are intended for particular systems, such as airbag systems.
- the present invention aims to improve, in general, the safety of vehicles with electric or hybrid propulsion, and in particular to protect the elements of the electrical circuit.
- the present invention aims to provide a controllable, fast, reliable and permanent insulation of the battery of a motor vehicle, especially in the event of imminent risk of damage to an electrical component of the vehicle.
- the present invention aims to preserve the elements of the electrical circuit, in case of malfunction.
- a device for connecting a battery to an electric or hybrid motor vehicle comprising at least one input capable of being connected to a terminal of the battery and an output capable of to be connected to a first terminal of an electrical circuit of the vehicle.
- the device also includes an electrical circuit breaker connected in series between the input and the output of the connection device.
- the cut-off device comprises a pyrotechnic igniter connected to control terminals, the electrical opening of the breaking device being controlled by an electrical control signal applied to said control terminals.
- the invention proposes to use an electric circuit breaking device of the type controlled by a pyrotechnic charge to isolate the power supply battery of an electric vehicle.
- the opening of the electrical circuit is obtained directly by igniting the pyrotechnic charge.
- a suitable control signal to the terminals of the pyrotechnic charge, for example a control voltage.
- the signal of control is developed by electrical means.
- the control signal can be elaborated according to various parameters, such as temperature, current or voltage, and makes it possible to define a tripping threshold for each of these parameters.
- it is possible to obtain a precise adjustment of the tripping threshold of the breaking device unlike the so-called "passive" fuses for which there may be a difference between the maximum current indicated on the fuse and the maximum current actual before opening of the electrical circuit.
- the cutoff device may comprise a first and a second electric poles connected to the input and the output of the connection device, the cutoff device being intended to interrupt the electrical continuity between said first and second electric poles.
- the cut-off device for an electrical circuit may comprise a contact member in the form of a movable element sliding inside the poles between which the electrical connection must be established or cut. In the closed position of the electrical contact, the contact member provides bridging and good electrical contact between poles, and in the open position of the circuit, the place initially occupied by the contact member is taken by an insulating pusher.
- the connection device may also comprise a control unit capable of delivering the electrical control signal to said control terminals.
- the control unit may be capable of detecting, particularly by voltage measurements, overcurrent or electrical overvoltage delivered by the battery and is capable of delivering the electrical control signal when the overcurrent or electrical overvoltage is detected.
- the control unit may also be capable of delivering the electrical control signal when the temperature of the battery is above a determined threshold. In particular, in the event of an electrical anomaly, the control unit is able to detect this malfunction and to interrupt the electrical contact between the battery and the vehicle.
- the connection device makes it possible to ensure that the terminals of the battery, and consequently the electrical circuit of the vehicle as a whole, are secured to the chassis of the vehicle.
- the cut-off device makes it possible to replace the battery of the faulty electrical circuit of the vehicle.
- control unit may be able to receive values of voltage, current and / or temperature of the battery, and be able to connect or maintain connected the battery terminal and the first terminal of the electronic circuit. ectric when a current value flowing in the battery terminal is below a certain threshold (overcurrent absence), and / or when a voltage value is higher than a given threshold (undercurrent abensity), and / or when a voltage value is below a determined threshold (overvoltage ab event), and / or when a temperature value of the battery is higher than a determined threshold.
- the control unit may receive voltage measurements between the battery terminal and a reference potential, and / or measurements of current flowing in the battery terminal, and / or temperature measurements of the battery, when the vehicle is started and / or at regular intervals during the operation of the vehicle, for example between 1 second and 1 minute.
- the device may also include a manually operated manual disconnector connected in series between the input of the connecting device and the switching device.
- the manually operated disconnector may comprise a base provided with spaced electrical contact means, and adapted to be coupled to a removable member provided with a cut-off bar so that, after coupling, the cut-off bar of the removable member connects the electrical contact means of the base.
- the base can be fixed to the connection device and the removable body of the manual disconnector can be accessible when it is coupled to the base.
- One of the contact means of the base can be electrically connected to the input of the connection device, and the other contact means of the base can be connected to the cut-off device.
- the battery can contain a significant electrical charge
- connection device may also comprise a circuit breaker connected in series between the breaking device and the output of the connection device, the electrical opening of the circuit breaker being controlled by an electrical control signal applied to said circuit breaker.
- connection device may comprise several outputs capable of being electrically connected to electrical components of the vehicle, and may also include a relay device, mounted between the breaking device and the outputs.
- the relay device comprises a circuit breaker and possibly a fuse connected in series between the breaking device and each of the outputs, the electrical opening of the circuit breaker being controlled by an electrical control signal applied to said circuit breaker.
- the control unit may also be capable of delivering the electrical control signal applied to said circuit breaker.
- the invention also relates to a battery box for an electric or hybrid vehicle, comprising a battery and a connection device described above.
- the battery box can include:
- an outer envelope delimiting a receiving chamber, an internal partition defining at least one compartment in said chamber,
- At least one accumulator block being disposed in said compartment and comprising an insulating housing for receiving an accumulator assembly of electrical energy
- the electric breaking device being mounted inside the outer casing.
- the manually operated disconnector can be mounted outside the outer casing.
- the base of the manual disconnector can be fixed to the outer casing and the removable member of the manual disconnector can be accessible outside of this casing when it is coupled to the base.
- the manually operated disconnector may be installed, at least in part, in an outer hollow recess of the outer casing, this recess may open downwards.
- the battery may include accumulator blocks electrically connected in series.
- the outer casing may comprise a cup-shaped support and a cover covering the support, the base being for example mounted in the side wall of such a support.
- FIG. 1 schematically represents a battery with a connection device
- FIG. 2 is a general axial section of a cut-off device represented in the position in which the electric circuit is closed
- FIG. 3 illustrates a circuit for controlling a switching device
- FIG. 4 represents an external perspective view of a battery box, partially open, and
- FIG. 5 shows a perspective view of a manually operated disconnector.
- FIG. 1 shows schematically the main elements of a trunk 1 comprising a battery 2 and a connection device 3.
- the battery 2 comprises a first terminal 2a and a second terminal 2b, as well as several accumulator blocks (not shown).
- the accumulator blocks are exemplified in the form of solenoids enclosing accumulator assemblies of electrical energy, and are connected in series between the first terminal 2a and the second terminal 2b of the battery.
- the first terminal 2a may for example be the positive terminal of the battery and the second terminal 2b may be the negative terminal of the battery 2.
- the battery 2 is connected, via the connection device 3, to one or more electrical circuits of the automobile vehicle, for example the electric propulsion circuit, the electric circuit of the dampers, the electric air conditioning circuit. etc.
- the negative terminal 2b of the battery can be connected to a negative terminal 4 common to the electrical circuits, and the positive battery 2a of the battery can be connected individually to each electric circuit, to supply the electrical energy.
- Positive beam 2a and negative terminal 2b are distinct from the vehicle frame, the potential of which is the reference potential.
- the battery and the electrical circuits are therefore electrically isolated from the chassis of the vehicle.
- the positive terminal 2a of the battery is connected to a first input 3a of the connection device 3.
- the connection device 3 also includes outputs 3b each of which can supply one of the electrical circuits of the motor vehicle.
- the connection device 3 also comprises a manually operated disconnector 6, a switching device 8 and a relay device 9 successively connected in series by connections 5, between the input 3a and the outputs 3b.
- the negative terminal 2b of the battery is connected to a second input 3c of the connection device 3.
- the connection device 3 also comprises a second output 3d connected to the negative terminal 4 common to all the electric circuits powered by the battery 2.
- a circuit breaker 11, for example a controllable switch, and a second cut-off device 12 are successively connected in series by connections 13, between the input 3c and the output 3d.
- the connection device 2 also comprises a control unit 14, connected by connections 14a to the cut-off device 8 and to the cut-off device 12, to the relay device 9 and to the circuit breaker 11.
- the connections 14a can be made by means of electrical wires, and allows the exchange of signals with the control unit 14.
- the control unit 14 sends control signals to the cut-off device 8, to the cut-off device 12, to the relay device 9 and to at circuit breaker 11.
- the relay device 9 comprises an input 9a connected, via a connection 5, to the output of the switching device for the electric circuit 8, and outputs 9b connected by connections 5 to the outputs 3b of the connection device 3.
- a circuit breaker made for example in the form of controlled switches 9c, and a fuse 9d, connected in series between the input 9a and said output 9b.
- Each switch 9c is controlled by the control unit 14 and controls the power supply of the electrical circuit connected to the corresponding output 3b.
- the fuse 9d makes it possible to open the electrical supply contact of said electric circuit when the intensity of the current flowing in the electric circuit is greater than a threshold determined by the physical properties of the fuse 9d.
- the control of the circuit-breakers 9c by the control unit makes it possible to select the different vehicle components that are powered by the battery 2, for example the electric air-conditioning circuit, the electric propulsion circuit, etc.
- the control of the cut-off device 8 by the control unit 14 interrupts the electrical contact between the battery 2 and the outputs 3b of the connection device 3. This command may follow the detection by the control unit 14 of a major and rapid malfunction requiring the intervention of a professional.
- the battery can then be reconnected to the outputs 3b only by replacing, at least in part, the cut-off device 8, which can only be done by said professional.
- the manually operated disconnector 6 makes it possible to disconnect the battery from the vehicle manually, in particular during an intervention on the vehicle or during a step of mounting / dismounting the battery.
- control unit 14 can control the cut-off device 8 and / or the cut-off device 12 of the battery box, via the connection 14a.
- a poorly insulated battery or having an overvoltage may cause a heating of said battery or another electrical element, or even lead to damage to the battery adite.
- the control of the switching device 8 or the switching device 12 allows the battery circuit 2 to be opened quickly and reliably and to require the intervention of a professional on the vehicle to change the device. cut.
- connection device may comprise a circuit breaker connected in series with only the negative terminal 2b of the battery, or may comprise a circuit breaker connected in series with only the positive terminal 2a.
- the cut-off device 8 may advantageously be a pyrotechnic device such as, for example, that described in the patent application FR2869450 to which reference may be made for further details.
- a cut-off device 8 shown in section in FIG. 2 is generally cylindrical in shape.
- a first sleeve constitutes a first electrical pole 121
- a second sleeve constitutes a second electrical pole 122.
- These poles are preferably made of copper and have a generally tubular shape. They are connected by a sleeve 01 made of non-conductive material electricity.
- the sleeve 101 is example consisting of several layers of resin-impregnated cross-fiberglass fabrics surrounding the respective outer surfaces of the first and second poles 121, 122 overlapping them at least partially. The edges of each of the poles 121 and 122 facing each other end with a shoulder 121a, respectively 122a.
- the poles 121 and 122 are also positioned and held in place by a ring 110, mounted between the two poles and made of electrically non-conductive material and resistant to arcing. In this way, the poles 121 and 122 are centered by the ring 110 and aligned with respect to each other.
- the sleeve 101 and the ring 110 mechanically connect to each other the poles 121 and 122 while keeping them electrically insulated from each other. It may be noted that, in a variant, the sleeve 101 and the ring 110 can be made in one piece.
- the pole 121 has a cylindrical bore 1210 over substantially its entire length.
- the pole 121 has at one of its ends, opposite the ring 110, a shoulder 121b having on the inner side a frustoconical surface.
- the pole 121 has a portion 121c having an external thread to receive for example an electrical connection.
- a pyrotechnic igniter 103 is inserted inside the pole 121 and is immobilized at the end thereof against the frustoconical surface of the shoulder 121b by means of a tightly fitting ring 133.
- the igniter 103 comprises terminals 131 accessible from the outside of the cut-off device and allowing the connection of the pyrotechnic igniter.
- the pyrotechnic igniter 103 comprises a housing 132 receiving the explosive charge.
- pyrotechnic igniter 103 it is possible to use, for example, those which are designed to trigger the operation of airbags (commonly known as "airbags”) or seatbelt pre-tensioners for motor vehicles.
- the pole 122 On about half of its axial length, the pole 122 has a bore 1220. It has two cylindrical bearing surfaces of the same diameter as the bore 1210. Between these two spans cylindrical is provided a cylindrical bearing of greater diameter. The pole 122 then forms a receptacle whose internal wall, cylindrical, is machined to a diameter slightly greater than that of the two cylindrical bearing surfaces described above. The pole 122 has at an opposite end to the ring 110, a tapped area 122b. A plug 109, screwed to the end of the pole 122 closes said receptacle. The plug 109 has a threaded hole 190 which can receive an electrical connection screw. Each of the poles 121 and 122 also has an outer surface 1211, respectively 1221, for connecting an electrical conductor to each of the poles 121 and 122.
- the cut-off device comprises a propulsion piston 104 made in one piece of heat-resistant material released by the explosion of the pyrotechnic charge.
- the piston 104 has a skirt arranged to be oriented towards the pyrotechnic igniter. In this way, there remains a small internal chamber 143 between the piston 104 and the pyrotechnic igniter 103.
- the pressure generated pushes the lips of the skirt against the bore 1210, which improves the seal and prevents the propagation of gases and burnt particles to the left side of Figure 2.
- the skirt of the piston 104 may undergo some plastic deformation to complete the seal.
- Some plastics are quite suitable for the realization of the piston 104, such as an infusible polyimide available from DuPont de Nemours under the name "Vespel SPI".
- a pusher 105 is mounted adjacent the piston 104.
- the pusher 105 can be either solid or hollow.
- the pusher 105 is preferably made of ceramic or electrically nonconductive material and resistant to flames and an electric arc.
- a contact member 106 made of electrically conductive material, is mounted adjacent the pusher 105, opposite the piston 104.
- the contact member 106 is preferably made of copper.
- the contact member 106 is a part which is here independent electrical poles 121 and 122.
- the contact member 106 has the shape of a substantially tubular piece having two peripheral ribs to come into contact with one of the poles 121 and 122 when the contact 106 is in the position shown in Figure 2 where it closes the electrical contact.
- the outer surfaces of the protuberances are pressed against the inner surfaces of the poles as shown in Figure 2, and this by a resilient effect.
- the contact member 106 has slots for deformation of the outer surface of the contact member 106.
- FIG. 2 it can be seen that the contact member 106 has an internal radial groove (a groove on each side). , Inside which is mounted a circlip 160 which exerts a radial force on the contact member. An excellent electrical contact is thus achieved, with a contact resistance as low as possible between the poles and the contact member 106.
- the contact member 106 is slidable within the bores 1210 and 1220, its shape and external dimensions fitting by elastic deformation to the inner diameters of said bores.
- damping washers 107 and 108 are inserted at the end of the cut-off device.
- the washers 107 and 108 are inserted in front of the stopper 109 on which they can bear.
- the first sleeve 1210 contains a propulsion piston 104 interposed between the pusher 105 and the pyrotechnic igniter 103; the propulsion piston 104 is slidably mounted inside said first sleeve 210, the propulsion piston being able to be set in motion by ignition of the pyrotechnic charge to push back the pusher 105.
- Each of the sleeves 1210 and 1220 forms an internal bore within which the contact member 106, the pusher 105 and the propulsion piston 104 can slide.
- the contact member 106 with respect to the poles 121 and 122 is slightly clamping, so that the propulsion piston 104, the pusher 105 and the contact member 106 naturally retain the longitudinal position that was imposed during assembly .
- the contact member 106, the pusher 105 and the piston 104 are, in the assembly, installed against each other, in intimate contact against each other.
- FIG. 3 illustrates an electrical line 5 connected to the electric poles, formed for example by the two sleeves 121 and 122 illustrated in FIG. 2, of a cutoff device 8.
- a control circuit 150 is connected to the terminals 131 providing the connection The circuit 150 receives a low voltage supply 152, and comprises a DC / DC element of galvanic isolation 153 between the low voltage supply 152 and the control elements of the pyrotechnic charge.
- the circuit 150 may be part of the control unit 14 of FIG.
- the circuit 150 comprises a first control channel 154 reacting at an intensity too high in the line 5.
- This first channel 154 comprises a current sensor 155 continuously measuring the current on the line 5.
- the sensor 155 is connected to a comparator 156 it is itself connected to a logic gate "or" 157.
- the output of the logic gate 157 is connected to a power transistor 158, for example of MOSFET type which, when it receives the appropriate signal from the logic gate 157, injects a control current at the terminals 131 of the pyrotechnic igniter 103.
- the pyrotechnic element is deliberately supercharged to accelerate the ignition of the charge, by 3 to 5 times the rated current for which it is dimensioned.
- the power transistor 158 is connected to a capacitor storing the energy required to establish the control current.
- the circuit 150 further comprises a second control channel 161 reacting to other types of faults such as a fault in a stack of accumulator elements.
- This second way 161 comprises an opto-coupler 162, connected to the other input of the logic gate 157.
- the cut-off device 8 is capable of very quickly interrupting an electric current.
- the time elapsing between the beginning of the establishment of the control signal and the end of the power circuit break is of the order of 300 to 400 micro-seconds.
- FIG. 4 shows a battery box 201, intended to be installed under the chassis of a vehicle removably.
- the trunk 201 comprises an outer casing 202 of generally parallelepipedal shape, for example metallic, which comprises a support 203 in the form of a rectangular bowl in which is installed a battery 2, a cover 204 mounted on a peripheral rim of the support.
- a partition 205 which determines adjacent compartments 206 in which can be arranged accumulator blocks 207 which include insulating housings 208 enclosing accumulator assemblies of electrical energy constituting the battery 2.
- the partition 205 determines two rows of five compartments 206, receiving a total of ten accumulator blocks 207, leaving internal spaces for the passage of connecting son.
- the support 203 has a central extension 209 of smaller width than that of the support 203, determining a secondary compartment 210 in which is arranged, at least in part, a connection device 3.
- the cut-off device 8 the electrical or electronic device 9 and the control unit 14 of the battery 2.
- the battery box 201 thus integrates the connection device 3.
- An electrical connector 217 may be connected to the outputs of the connection device 3, through the wall of the secondary compartment 210 for the electrical connections of the battery 2.
- a hollow recess 218 (see FIG. 5) open laterally and downwards, below the support 203.
- a manually operated disconnector 6 which comprises a base 220 fixed in the upper part of the hollow recess 218 and a removable member 221. The member 221 is thus accessible from the outside of the casing 202, laterally and below the vehicle.
- the base comprises two spaced electrical contact pads, which are connected to an electric cable 215.
- the electric cable 215 comprises two portions 215a and 215b, the portion 215a being connected to the input of the connection device 3 , that is to say at the terminal 2a of the battery 2, and the first electrical contact pad.
- the portion 215b is connected to the second electrical contact pad and to the cut-off device 8.
- the removable member 221 carries a cutoff bar 224 capable, when the member 221 is coupled to the base 220, from bottom to top, electrically connect between them the electrical contact pads of the base 220, so that the output of the battery 2 is connected to the cut-off device 8, then to the relay device 9.
- the outer casing 202 is provided with means for its installation below a vehicle, which may include fastening tabs 225 mounted against the side wall of the support 203 and judiciously distributed at its periphery.
- the prediction of the manual disconnector 6 it is possible to i soler the battery when it is necessary to intervene on the battery box 201, particularly when it is placed on the vehicle or when it is installed. removal, or when one must intervene in a general way on the electric circuits of the vehicle.
- the manual disconnector switch 6 is accessible from below the vehicle.
- the manual disconnector could be accessible from within the vehicle, for example through an opening formed by a hatch.
- the battery box also makes it possible to take into account the safety of the people working on the vehicle, thanks in particular to a manually operated disconnector allowing the electrical circuit of the building to be opened before any maintenance or assembly / disassembly operations. .
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Sustainable Energy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Combustion & Propulsion (AREA)
- Aviation & Aerospace Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1056362A FR2963475B1 (fr) | 2010-08-02 | 2010-08-02 | Dispositif de connexion d'une batterie a un vehicule electrique ou hybride, et coffre a batterie comprenant ledit dispositif de connexion. |
PCT/EP2011/063217 WO2012016949A1 (fr) | 2010-08-02 | 2011-08-01 | Dispositif de connexion d'une batterie à un véhicule électrique ou hybride, et coffre à batterie comprenant ledit dispositif de connexion. |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2601667A1 true EP2601667A1 (fr) | 2013-06-12 |
Family
ID=43627291
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11738233.3A Withdrawn EP2601667A1 (fr) | 2010-08-02 | 2011-08-01 | Dispositif de connexion d'une batterie à un véhicule électrique ou hybride, et coffre à batterie comprenant ledit dispositif de connexion. |
Country Status (5)
Country | Link |
---|---|
US (1) | US9461454B2 (fr) |
EP (1) | EP2601667A1 (fr) |
CN (1) | CN103069529B (fr) |
FR (1) | FR2963475B1 (fr) |
WO (1) | WO2012016949A1 (fr) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2981219B1 (fr) * | 2011-10-11 | 2015-04-10 | Michelin Soc Tech | Methode securisee de coupure d'alimentation d'un moteur electrique et dispositif correspondant |
US9281544B2 (en) * | 2013-05-22 | 2016-03-08 | Lg Chem, Ltd. | Battery pack test system |
US11104231B2 (en) * | 2014-04-17 | 2021-08-31 | Michael Lynn Froelich | System for maintaining acceptable battery cycle life for electric-powered vehicles |
CN106864268B (zh) * | 2015-12-11 | 2019-09-20 | 北京宝沃汽车有限公司 | 一种电池系统碰撞断电后保护方法、系统及车辆 |
CN105691226B (zh) * | 2016-01-21 | 2018-09-21 | 中国第一汽车股份有限公司 | 一种锂离子动力电池系统的故障处理系统的处理方法 |
US10632857B2 (en) | 2016-08-17 | 2020-04-28 | Shape Corp. | Battery support and protection structure for a vehicle |
WO2018127832A1 (fr) | 2017-01-04 | 2018-07-12 | Shape Corp. | Structure de plateau de batterie de véhicule à modularité nodale |
US11211656B2 (en) | 2017-05-16 | 2021-12-28 | Shape Corp. | Vehicle battery tray with integrated battery retention and support feature |
US10483510B2 (en) | 2017-05-16 | 2019-11-19 | Shape Corp. | Polarized battery tray for a vehicle |
US10886513B2 (en) | 2017-05-16 | 2021-01-05 | Shape Corp. | Vehicle battery tray having tub-based integration |
FR3067862A1 (fr) * | 2017-06-14 | 2018-12-21 | Renault S.A.S | Dispositif d'encapsulation et de coupure d'alimentation d'une batterie |
CN107248565B (zh) * | 2017-07-12 | 2019-11-15 | 北京昆兰新能源技术有限公司 | 主动高压隔离电池箱及其动高压隔离连接器 |
US11088412B2 (en) | 2017-09-13 | 2021-08-10 | Shape Corp. | Vehicle battery tray with tubular peripheral wall |
US10661646B2 (en) | 2017-10-04 | 2020-05-26 | Shape Corp. | Battery tray floor assembly for electric vehicles |
WO2019169080A1 (fr) | 2018-03-01 | 2019-09-06 | Shape Corp. | Système de refroidissement intégré à un bac de batterie de véhicule |
US11688910B2 (en) | 2018-03-15 | 2023-06-27 | Shape Corp. | Vehicle battery tray having tub-based component |
DE102019101236A1 (de) * | 2019-01-17 | 2020-07-23 | Liebherr-Components Biberach Gmbh | Ansteuervorrichtung zum Auslösen zumindest einer Pyrosicherung sowie Energiespeicher mit einer solchen Pyrosicherung |
GB2593943A (en) * | 2020-04-10 | 2021-10-13 | Eaton Intelligent Power Ltd | Power source and method for providing an activating current |
DE102020006780A1 (de) * | 2020-11-05 | 2022-05-05 | Daimler Truck AG | Überwachungsvorrichtung für ein elektrisches Bordnetz eines zumindest teilweise elektrisch betriebenen Kraftfahrzeugs, sowie Verfahren |
CN112810449A (zh) * | 2021-01-04 | 2021-05-18 | 宝能(西安)汽车研究院有限公司 | 用于车辆的高压断电系统及车辆 |
US11833913B2 (en) * | 2021-07-12 | 2023-12-05 | Beta Air, Llc | System and method for disconnecting a battery assembly from an electric aircraft |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995031033A1 (fr) * | 1994-05-10 | 1995-11-16 | Italtel S.P.A. | Convertisseur continu/continu comprenant une chaine de retour a transfert de charge assurant une tres forte isolation |
WO2002099356A2 (fr) * | 2001-06-06 | 2002-12-12 | Senex Explosives, Inc | Systeme permettant l'amorçage de serie de detonateurs a retardement individuel |
WO2010050432A1 (fr) * | 2008-10-27 | 2010-05-06 | パナソニック電工株式会社 | Dispositif d'éclairage, dispositif d'éclairage à lampe à décharge, et dispositif d'éclairage de phare de véhicule l'utilisant |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5034620A (en) * | 1989-12-13 | 1991-07-23 | Cameron Robert W | Vehicle battery safety switch |
EP0639844B1 (fr) * | 1993-08-21 | 1997-07-16 | Ingenieurbüro Für Elektrotechnik Und Elektronik Jürgen Becker | Dispositif pour disconnexion électrique |
ES2135602T3 (es) | 1994-02-01 | 1999-11-01 | Bayerische Motoren Werke Ag | Interruptor de seguridad electrico para vehiculos automoviles. |
DE4422249A1 (de) | 1994-06-24 | 1996-02-15 | Temic Bayern Chem Airbag Gmbh | Vorrichtung zum Unterbrechen des Stromflusses in dem Massekabel einer Kraftfahrzeugbatterie |
DE19606447A1 (de) | 1996-02-21 | 1997-08-28 | Bayerische Motoren Werke Ag | Stromunterbrecher für eine Batterieleitung von Fahrzeugen |
DE19606450A1 (de) * | 1996-02-21 | 1997-08-28 | Bayerische Motoren Werke Ag | Bordnetz für Fahrzeuge |
US6100702A (en) * | 1997-07-25 | 2000-08-08 | 3M Innovative Properties Company | In-situ fault detection apparatus and method for an encased energy storing device |
US6107581A (en) | 1998-02-17 | 2000-08-22 | Harness System Technologies Research, Ltd. | Circuit breaking device |
JP2000038035A (ja) * | 1998-07-21 | 2000-02-08 | Honda Motor Co Ltd | 電気自動車のブレーカボックス取付け構造 |
JP3184185B2 (ja) * | 1999-07-05 | 2001-07-09 | 本田技研工業株式会社 | バッテリ装置 |
JP3619720B2 (ja) * | 1999-10-22 | 2005-02-16 | 三洋電機株式会社 | 電源装置 |
JP3409774B2 (ja) * | 2000-05-09 | 2003-05-26 | トヨタ自動車株式会社 | 車両、電源制御装置、車両の始動方法および高電圧電源の使用方法 |
JP3981882B2 (ja) * | 2003-03-05 | 2007-09-26 | 株式会社デンソー | 回路保護装置およびエアバッグシステム |
JP4250058B2 (ja) * | 2003-10-24 | 2009-04-08 | 矢崎総業株式会社 | ジャンクションブロックの回路構造 |
JP2005229712A (ja) * | 2004-02-12 | 2005-08-25 | Denso Corp | 昇圧回路及び乗員保護システム |
FR2869450B1 (fr) | 2004-04-23 | 2007-03-02 | Conception Et Dev Michelin Sa | Dispositif de coupure pour circuit electrique, a declenchement pilote |
JP4577823B2 (ja) * | 2004-10-25 | 2010-11-10 | プライムアースEvエナジー株式会社 | 電動車輌のコンタクタ制御装置、コンタクタ制御方法、そのプログラム及びコンピュータ可読記録媒体 |
ATE372598T1 (de) * | 2005-04-08 | 2007-09-15 | Auto Kabel Man Gmbh | Stromunterbrecher für elektrische versorgungsleitungen von kraftfahrzeugen |
ES2440725T3 (es) * | 2008-12-18 | 2014-01-30 | Abb Technology Ag | Disposición de conmutadores para dispositivos de conmutación de media y alta tensión |
-
2010
- 2010-08-02 FR FR1056362A patent/FR2963475B1/fr active Active
-
2011
- 2011-08-01 WO PCT/EP2011/063217 patent/WO2012016949A1/fr active Application Filing
- 2011-08-01 US US13/814,184 patent/US9461454B2/en not_active Expired - Fee Related
- 2011-08-01 EP EP11738233.3A patent/EP2601667A1/fr not_active Withdrawn
- 2011-08-01 CN CN201180038313.0A patent/CN103069529B/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995031033A1 (fr) * | 1994-05-10 | 1995-11-16 | Italtel S.P.A. | Convertisseur continu/continu comprenant une chaine de retour a transfert de charge assurant une tres forte isolation |
WO2002099356A2 (fr) * | 2001-06-06 | 2002-12-12 | Senex Explosives, Inc | Systeme permettant l'amorçage de serie de detonateurs a retardement individuel |
WO2010050432A1 (fr) * | 2008-10-27 | 2010-05-06 | パナソニック電工株式会社 | Dispositif d'éclairage, dispositif d'éclairage à lampe à décharge, et dispositif d'éclairage de phare de véhicule l'utilisant |
Non-Patent Citations (2)
Title |
---|
DEREK CHENG PENG HUI: "HYBRID ELECTRIC VEHICLES The Next Leap for Electronics", POWER ELECTRONICS EUROPE, no. 2, 31 March 2007 (2007-03-31), Munich, pages 22 - 23, XP055158537, ISSN: 1748-3530 * |
See also references of WO2012016949A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN103069529A (zh) | 2013-04-24 |
US9461454B2 (en) | 2016-10-04 |
FR2963475B1 (fr) | 2012-09-21 |
US20130307327A1 (en) | 2013-11-21 |
CN103069529B (zh) | 2016-09-07 |
WO2012016949A1 (fr) | 2012-02-09 |
FR2963475A1 (fr) | 2012-02-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2601667A1 (fr) | Dispositif de connexion d'une batterie à un véhicule électrique ou hybride, et coffre à batterie comprenant ledit dispositif de connexion. | |
EP2601068A1 (fr) | Dispositif de connexion comprenant une unité de contrôle, coffre à batterie comprenant un tel dispositif de connexion et procédé de contrôle d'un tel coffre à batterie | |
EP3459100B1 (fr) | Dispositif de coupure destiné à être relié à un circuit électrique | |
WO2019097152A1 (fr) | Dispositif de coupure pyrotechnique | |
EP2629385A1 (fr) | Chaîne de stockage d'énergie pour véhicule, comprenant au moins un module de supercondensateurs, système de stockage d'énergie comprenant une telle chaîne et véhicule ferroviaire comprenant un tel système | |
FR3051281A1 (fr) | Dispositif de coupure electrique et systeme electrique securise comprenant un tel dispositif | |
FR3071660B1 (fr) | Dispositif de coupure pyrotechnique | |
FR3071659B1 (fr) | Dispositif de coupure pyrotechnique | |
EP4260354A1 (fr) | Dispositif de coupure a accroissement dielectrique | |
EP3391402B1 (fr) | Dispositif de coupure destiné à équiper un circuit triphasé | |
EP3050176B1 (fr) | Dispositif electrique comportant une prise electrique comportant un aimant et des moyens de coupure, et ensemble electrique associe | |
EP4158673B1 (fr) | Dispositif de coupure a chambre plasma | |
FR2869450A1 (fr) | Dispositif de coupure pour circuit electrique, a declenchement pilote | |
WO2012022901A1 (fr) | Systeme de protection pour transformateur electrique | |
FR3071658B1 (fr) | Dispositif pyrotechnique destine a ouvrir un premier circuit electrique et a fermer un deuxieme circuit electrique | |
WO2007080306A1 (fr) | Dispositif de controle d'au moins deux batteries d'accumulateur et procedes de charge a l'aide d'un tel dispositif de controle | |
FR2902232A1 (fr) | Commutateur pour dispositif de derivation d'un composant electrique | |
EP4113564A1 (fr) | Ensemble coupe-circuit pyrotechnique pour aeronef, et aeronef comprenant un tel ensemble | |
FR2536914A1 (fr) | Coupe-circuit de securite pour accumulateur | |
CH275009A (fr) | Dispositif amplificateur. | |
FR3071657A1 (fr) | Dispositif de coupure pyrotechnique | |
WO2007083009A1 (fr) | Coupe-circuit comprenant des moyens de coupure de courant subsidiaires |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20130201 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
DAX | Request for extension of the european patent (deleted) | ||
RIC1 | Information provided on ipc code assigned before grant |
Ipc: B60L 3/04 20060101ALI20140226BHEP Ipc: B60L 11/18 20060101ALI20140226BHEP Ipc: B60K 28/14 20060101AFI20140226BHEP Ipc: H01M 2/34 20060101ALI20140226BHEP Ipc: B60L 3/00 20060101ALI20140226BHEP Ipc: H02H 3/02 20060101ALI20140226BHEP Ipc: H01M 10/48 20060101ALI20140226BHEP Ipc: H02J 7/00 20060101ALN20140226BHEP Ipc: H01H 39/00 20060101ALI20140226BHEP Ipc: H01M 2/10 20060101ALI20140226BHEP |
|
17Q | First examination report despatched |
Effective date: 20140317 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20150716 |