Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B66—HOISTING; LIFTING; HAULING
  • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
  • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
  • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
  • B66F9/075—Constructional features or details
  • B66F9/20—Means for actuating or controlling masts, platforms, or forks
  • B66F9/24—Electrical devices or systems
• • 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
  • B60K1/00—Arrangement or mounting of electrical propulsion units
  • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
• • 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
• • 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
  • B60L50/61—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid 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
• • 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
  • B60L50/75—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using propulsion power supplied by both fuel cells and batteries
• • 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
  • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
  • B60L53/60—Monitoring or controlling charging stations
  • B60L53/65—Monitoring or controlling charging stations involving identification of vehicles or their battery types
• • 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
  • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
  • B60L53/80—Exchanging energy storage elements, e.g. removable batteries
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B66—HOISTING; LIFTING; HAULING
  • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
  • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
  • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
  • B66F9/075—Constructional features or details
  • B66F9/07513—Details concerning the chassis
  • B66F9/07531—Battery compartments
• • 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
  • B60K1/00—Arrangement or mounting of electrical propulsion units
  • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
  • B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
• • 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
  • B60K1/00—Arrangement or mounting of electrical propulsion units
  • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
  • B60K2001/0455—Removal or replacement of the energy storages
  • B60K2001/0461—Removal or replacement of the energy storages from the side
• • 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
  • B60K1/00—Arrangement or mounting of electrical propulsion units
  • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
  • B60K2001/0455—Removal or replacement of the energy storages
  • B60K2001/0466—Removal or replacement of the energy storages from above
• • 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
  • B60L2200/00—Type of vehicles
  • B60L2200/40—Working 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
  • B60L2200/00—Type of vehicles
  • B60L2200/40—Working vehicles
  • B60L2200/42—Fork lift trucks
• • 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
  • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
  • B60L53/50—Charging stations characterised by energy-storage or power-generation means
  • B60L53/51—Photovoltaic means
• • 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
  • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
  • B60L53/50—Charging stations characterised by energy-storage or power-generation means
  • B60L53/54—Fuel cells
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B66—HOISTING; LIFTING; HAULING
  • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
  • B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
  • B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
  • B66F11/042—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations actuated by lazy-tongs mechanisms or articulated levers
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B66—HOISTING; LIFTING; HAULING
  • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
  • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
  • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
  • B66F9/065—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks non-masted
  • B66F9/0655—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks non-masted with a telescopic boom

Definitions

• Self-propelled lifting device having a main source of electrical energy and capable of receiving different interchangeable secondary sources of electrical energy
• the present invention relates to the field of devices for lifting persons or loads of the self-propelled type operating on electrical energy. More particularly, the invention relates to lifting gear provided with a source of electrical energy such as a rechargeable electric battery pack and at least one electric motor used to move the lifting gear on the ground and to operate a system for lifting people or loads.
• a source of electrical energy such as a rechargeable electric battery pack
• at least one electric motor used to move the lifting gear on the ground and to operate a system for lifting people or loads.
• mobile elevating work platforms also referred to by the acronym PEMP, or in English by mobile elevating work platforms and its abbreviation MEWP
• nacelles élevatrices or in English aerial work platforms and its abbreviation A WP
• telehandlers designated in English by telehandlers.
• the contemporary trend favors the design of devices for lifting people or loads of the self-propelled type which are electrically operated, including when they are intended for outdoor use, for reasons of limiting environmental and noise pollution compared to those powered by an internal combustion engine.
• a difficulty of electrically operated self-propelled lifting machines is their working autonomy, especially in outdoor use, particularly in view of the size of the rechargeable electric batteries that can be installed on the lifting machine, variable environmental conditions, in particular in terms of temperature, which can be unfavorable to electric batteries, as well as insufficient accessibility to an electric power supply network to recharge the batteries.
• WO 2020/157094 A2 an improved design of a self-propelled aerial work platform with electrical operation that can be used outdoors.
• This is equipped with rechargeable electric batteries to power the electric motors used to lift its work platform and move the lifting platform on the ground and one or more chargers to recharge the batteries from a network. power supply. It also includes a slot designed to removably accommodate a generator for recharging the batteries using one or more of the lifting platform chargers.
• An object of the present invention is to further improve the self-propelled lifting machines of the existing electrical type so as to be able to benefit from an increase in electrical energy in various situations of use.
• a device for lifting people or loads comprising a system for lifting people or loads, an electric power circuit comprising at least one electric motor for actuating the system hoisting machine and move the hoisting machine on the ground, and at least a first autonomous source of electrical energy received in a first location of the hoisting machine, the hoisting machine being intended to operate by being powered solely by the first independent source of electrical energy.
• the first independent source of electrical energy is preferably a first block of rechargeable electric batteries, but it may be an independent source of electrical energy of another type.
• the lifting device further comprises a second location distinct from the first location and provided to removably receive a second autonomous source of electrical energy distinct from the first source of electrical energy, which second autonomous source of electrical energy is selectable from among a plurality of different second autonomous sources of electrical energy not exclusively consisting of generators and not exclusively consisting of electrical energy storage devices.
• the hoist includes an electrical connection system adapted to connect any of the plurality of second self-contained sources of electrical energy thereto when received at the second location so as to allow the second self-contained source to electrical energy to supply electrical energy to the power circuit.
• the hoist further comprises an identification system designed to identify which of the plurality of second autonomous sources of electrical energy is received in the second location.
• the lifting machine finally comprises on-board electronics provided to manage the supply of electrical energy to the power circuit by the second autonomous source of electrical energy as a function of the second autonomous source of electrical energy identified by the system of identification.
• the second autonomous sources of electrical energy are qualified as autonomous because they can each be used to supply electrical energy independently of the lifting device. Everything necessary for its operation is included with the energy source itself, which makes it suitable for use elsewhere independently of the lifting gear. Because different second autonomous sources of electrical energy can be used with the lifting machine, it is possible to use the one which is the most suitable according to the circumstances, for example depending on whether the use of the machine is outdoors or indoors , or even according to the primary source(s) of energy available locally to operate corresponding second independent sources of electrical energy such as for example an electrical network, fuels which may be of different natures, solar energy, etc. This provides greater versatility and adaptability to the lifting gear.
• At least one of the second independent sources of electrical energy is an electrical energy storage device which is rechargeable by a separate source of electrical energy and that at least one other of the second stand-alone sources of electrical energy is a device that cannot store electrical energy in a rechargeable manner by a separate source of energy, but which outputs electrical energy by transforming a non-electrical energy source into electric energy.
• the plurality of second autonomous sources of electrical energy can include several different sources falling under one and/or the other of these two categories, which increases the versatility and adaptability of the lifting device accordingly. More generally, it is advantageous to provide that the lifting device can receive second autonomous sources of electrical energy which are of a different nature.
• the lifting device according to the invention comprises one or more of the following characteristics.
• the hoisting machine may further comprise an electrical adaptation system making it possible to adapt the electrical characteristics of the electrical energy supplied to the power circuit by at least one among the plurality of autonomous sources of electrical energy when it is connected to the electrical connection system.
• the on-board electronics can be provided to cause the electrical adaptation system to adapt or not adapt the electrical characteristics of the electrical energy supplied to the power circuit by the second autonomous source of electrical energy as a function of the autonomous source of electrical energy identified by the identification system.
• This further increases the versatility and adaptability of the lifting device.
• the electrical adaptation system is provided for adapting the voltage supplied at the output by a second independent source of electrical energy to the operating voltage of the power circuit of the lifting device.
• this adaptation is carried out by the electrical adaptation system only for those of the second autonomous sources of electrical energy for which such an adaptation is appropriate.
• This voltage adaptation can concern both the nature of the voltage and the level of the voltage.
• the electrical adaptation system converts the alternating voltage supplied as output by that (these) of the second autonomous sources of electrical energy concerned in appropriate DC voltage for the power circuit.
• the electrical adaptation system can also be provided to adapt the level of the DC voltage supplied at the output by that (these) of the second autonomous sources of electrical energy concerned in DC voltage to the appropriate level for the power circuit.
• the electrical matching system may comprise at least one AC-DC converter and/or at least one DC-DC converter.
• the electrical adaptation system can advantageously be provided to be able to adapt several different levels of direct voltage or else any voltage included in a direct voltage range to the operating voltage of the power circuit of the machine.
• the electrical adaptation system can advantageously be provided to be able to adapt several levels of different alternating voltages or else any voltage included in an alternating voltage range with the operating voltage of the power circuit of the machine.
• This measurement can be provided for single-phase alternating voltages and/or for three-phase alternating voltages. This allows the machine to receive in the second location second autonomous sources of electrical energy, each supplying at the output a different DC voltage or else a different AC voltage.
• the identification system may include a data communication device adapted to establish a data communication link with any of the plurality of second self-contained sources of electrical energy when received at the second location, the on-board electronics being provided to cooperate with the data communication device so as to obtain identification data from the second autonomous source of electrical energy.
• the hoist can be provided to be able to charge the first autonomous source of electrical energy from the electrical energy supplied by the second autonomous source of electrical energy.
• the on-board electronics may be provided to adapt the charging curve of the first autonomous source of electrical energy as a function of the second autonomous source of electrical energy identified by the identification system.
• the lifting device can be provided to be able to supply the at least one electric motor simultaneously from the first independent source of electrical energy and from the second independent source of electrical energy.
• the lifting device can in particular be provided to allow an operator to choose between having the first independent source of electrical energy charged with the electrical energy supplied by the second independent source of electrical energy and having the at least one electric motor simultaneously by the first independent source of electrical energy and the second independent source of electrical energy.
• the hoist is provided to supply the second autonomous source of electrical energy with a higher power, for example double, when the operator chooses to supply the at least one motor electricity simultaneously by the first independent source of electric energy and the second independent source of electric energy with respect to the case where the operator chooses to charge the first independent source of electric energy with the electric energy supplied by the second source independent of electrical energy.
• At least one second autonomous source of electrical energy among the plurality of second autonomous sources of electrical energy may comprise a start-up function to be able to supply electrical energy and/or a stop function to end the supply of electrical energy, the on-board electronics being provided for controlling the starting and/or stopping of this second independent source of electrical energy.
• the plurality of second autonomous sources of electrical energy comprises one or more of the following autonomous sources of electrical energy: a generator; a fuel cell; a second block of electric batteries rechargeable; a solar energy panel. More particularly, the plurality of second autonomous sources of electrical energy can comprise one or more of the following autonomous sources of electrical energy: an internal combustion generator set; a gas turbine generator set; a hydrogen fuel cell; a second block of electric batteries with an associated electric charger for recharging them; a second block of electric batteries without an associated electric charger to recharge them; a solar energy panel.
• one of the plurality of second autonomous sources of electrical energy is a fuel cell, preferably hydrogen, given its non-polluting nature.
• one of the plurality of second autonomous sources of electrical energy is particularly advantageous for one of the plurality of second autonomous sources of electrical energy to be a solar energy panel.
• the second location may be provided with means for cooperating with any of the second self-contained sources of electrical energy to removably position and hold in position the second self-contained source of electrical energy in or on the second location which means are the same for each of the plurality of second autonomous sources of electrical energy.
• the device is designed to allow a second autonomous source of electrical energy to be positioned and maintained in position in or on the second location in a way that is common to all of the second autonomous sources of electrical energy.
• the electrical connection system may comprise a power connector allowing any of the second independent sources of electrical energy to be connected thereto.
• the electrical connection system can thus comprise a single power connector which is common to all of the second independent sources of electrical energy, including if they deliver voltages of a different nature such as a direct voltage or a single-phase alternating voltage and/or three-phase.
• the lifting device may in particular be a telescopic trolley or a lifting platform.
• the invention proposes a set of several different autonomous sources of electrical energy and not exclusively consisting of generators and not exclusively consisting of electrical energy storage devices, each of the autonomous sources of electrical energy being provided to be received in the second location of the same lifting device according to the aforementioned first aspect of the invention and to be connected to the electrical connection system of the lifting device as a said second independent source of energy electric.
• this set of several different autonomous sources of electrical energy comprises at least one autonomous source of electrical energy supplying a DC voltage at the output and at least one other autonomous source of electrical energy supplying an output voltage alternative.
• this set of several different autonomous sources of electrical energy comprises at least one autonomous source of electrical energy supplying a DC voltage at the output, at least one other autonomous source of electrical energy supplying exclusively at the output a voltage single-phase alternating current and at least one other independent source of electrical energy supplying a three-phase alternating voltage as output.
• this set of several different autonomous sources of electrical energy comprises several autonomous sources of electrical energy each supplying a different DC voltage at the output.
• this set of several different autonomous sources of electrical energy comprises several autonomous sources of electrical energy supplying at the output exclusively a respectively different single-phase alternating voltage.
• this set of several different autonomous sources of electrical energy comprises several autonomous sources of electrical energy providing at the output a different three-phase alternating voltage.
• this set of several different autonomous sources of electrical energy comprises one or more of the following characteristics.
• Each of the autonomous sources of electrical energy may comprise identical means serving to put it in position and to keep it in position in a removable manner in the second location of the lifting device.
• Each of the sources may comprise an identical casing in which its components are housed.
• the set of several different autonomous sources of electrical energy can comprise one or more of the following autonomous sources of electrical energy: a generator; a fuel cell; a second rechargeable electric battery pack; a solar energy panel.
• the assembly may comprise one or more of the following independent sources of electrical energy: an internal combustion generating set; a gas turbine generator set; a hydrogen fuel cell; a second block of electric batteries with an associated electric charger to recharge them; a second block of electric batteries without an associated electric charger to recharge them; a solar energy panel.
• this set of several different autonomous sources of electrical energy comprises at least one fuel cell, preferably hydrogen, and/or a solar energy panel.
• the invention proposes an assembly comprising a lifting device according to the first aspect of the invention and an assembly of several autonomous sources of electrical energy according to the second aspect of the invention which are each intended to serve as as a so-called second independent source of electrical energy for the hoist.
• the invention proposes a method for operating a lifting device according to the first aspect of the invention, the method comprising the provision of a set of several different autonomous sources of electrical energy according to the second aspect of the invention for selective use of any one of them with the lifting device as a so-called second autonomous source of electrical energy.
• FIG. 1 represents a perspective view of a telescopic truck according to one embodiment of the invention which is equipped with a second autonomous source of electrical energy removably mounted on a location of the telescopic truck which is provided for this effect.
• Figure 2 shows the same telescopic truck as the previous figure, but without the second autonomous source of electrical energy.
• Figure 3 shows a block diagram of the electrical circuit of the telescopic truck of Figures 1 and 2.
• Figure 4 shows a scissor lift according to one embodiment of the invention whose scissor lift mechanism is in the deployed state.
• Figure 5 shows the other side of this scissor lift where a slot is arranged to removably receive a second independent source of electrical energy, the scissor lift mechanism being in the retracted state.
• Figure 6 shows the scissor lift of Figures 4 and 5 with a second independent source of electrical energy received in the location provided for this purpose.
• Figures 1 and 2 show a telescopic trolley 1 according to one embodiment of the invention.
• the telescopic trolley 1 comprises a frame 2 which rests on the ground by wheels 3 allowing it to be moved on the ground. It comprises a driver's cab 4 to accommodate an operator and a lifting system 5.
• the lifting system 5 comprises a telescopic arm including at least two sections sliding relative to each other.
• the lower section 6 is pivotally mounted around a horizontal axis on the frame 2 while the upper section 7 has a free end provided for mounting therein an element or support (not illustrated in FIGS. 1 and 2) intended to receive loads and/or people such as a fork or work platform.
• the telescopic carriage 1 is of the electric type. It includes an electric motor for moving it on the ground and for actuating the lifting system 6. This motor is powered by a block of rechargeable electric batteries.
• the battery pack is mounted in a first dedicated location located under the cabin 4, like the motorization: therefore, they are not visible in FIGS. 1 and 2. In FIG. 3 which will be described later, this battery pack batteries is referenced 20. It is provided as the main source of energy serving to power the telescopic truck 1. Alternatively, this main source of electrical energy can be an independent source of electrical energy other such as a fuel cell hydrogen.
• the telescopic trolley 1 comprises a second location 8 designed to removably receive a second independent source of electrical energy 15.
• the second location 8 is distinct from the first location receiving the battery pack 20 and the second independent source of electrical energy 15 is separate from the battery pack 20.
• the second location 8 is located in this example on the chassis 2 on a lateral side opposite the cabin 4, the lifting system 5 in the form of a telescopic arm being placed between the cabin 4 and the second location 8.
• the second location 8 is defined by a horizontal support plate 9 and a vertical wall 10.
• the second autonomous source of electrical energy 15 can be selected from among a plurality of different autonomous sources of electrical energy, each of them being provided to be received in the second slot 8.
• it can include, without limitation, the following sources: a generator, a fuel cell, preferably a hydrogen fuel cell, a second block of rechargeable electric batteries, a solar energy panel.
• these second autonomous sources of electrical energy can be either electrical energy storage devices, or devices that are unsuitable for storing electrical energy, but which transform a primary non-electrical energy source into electric energy.
• the generating set may more particularly be a generating set equipped with an internal combustion engine, preferably a diesel engine. It can also be a gas turbine generator.
• the generating set may in particular be of the type supplying a single-phase alternating voltage at the output or even of the type supplying a three-phase alternating voltage.
• the lifting gear 1 can be designed to receive different models of generating sets which have different characteristics in terms of motorization and/or electrical characteristics of the electrical energy supplied at the output. More generally, the lifting device 1 can be provided to receive different models for a given type of second independent source of electrical energy, for example different models of fuel cells or different battery packs.
• the second location 8 and the second independent sources of electrical energy 15 are designed to ensure the positioning and the maintenance in position in a removable manner of any of the second independent sources of electrical energy in or on the second location 8 It is advantageous to provide that all of the second independent sources of electrical energy 15 have identical means serving to put them in position and to keep them in position in the second location 8 by cooperating each time with common corresponding means. of the second location 8.
• the second autonomous sources of electrical energy also preferably have a forklift passage. This facilitates their installation in or on the second location 8 and their removal by means of a forklift, given the possibly significant weight of these second autonomous sources of electrical energy 15.
• An example of such a locking system is disclosed in patent application FR2008140 filed by the applicant.
• FIG. 3 A block diagram of the electric circuit of the telescopic truck 1 is illustrated by FIG. 3: it breaks down into a power circuit 30 and a control circuit 25.
• the power circuit 30 comprises at least one electric motor for actuating the lifting system 5 and allow the movement of the telescopic trolley 1 on the ground.
• the motor 23 drives a hydraulic pump 25 to supply pressurized fluid to a hydraulic circuit supplying hydraulic actuators to actuate the lifting system 5.
• the motors 21 and 23 are preferably alternating current motors, preferably three-phase, having regard to the excellent performance of these. It will be understood that the number of electric motors can be varied, for example there can be one dedicated to a front wheel bridge and another dedicated to a rear wheel bridge, or else each of the wheels 3 can be driven by a respective engine.
• the motors 21 and 23 are powered by the rechargeable electric battery pack 20 - or other autonomous source of main electrical energy - which is mounted under the cabin 4 and therefore not visible in Figures 1 and 2, but which is shown in the following figure by the reference 20.
• the power circuit 30 comprises two variators 22 and 24 to convert the direct current of the battery pack 20 into alternating current suitable for the motor 21 and the motor 23 respectively and making it possible to order these.
• the two variators 22 and 24 are controlled by on-board electronics 40 of the control circuit 25 according to the control commands entered by the operator at a control console - not shown - installed in the driver's cab 4.
• the power circuit 30 also includes an alternating voltage to direct voltage converter 31 which serves as a charger for charging the battery pack 20 from a mains supply network. It may, as the case may be, be provided to receive a single-phase and/or three-phase alternating voltage, in particular in a range of voltages usual in the countries in which it is intended to use the telescopic truck 1.
• the power circuit 30 comprises a connection system to connect any of the second independent sources of electrical energy 15 to it. In this case, it comprises a single electrical power connector 35, not shown in FIGS. 1 and 2. to a connector 36 corresponding to the second autonomous source of electrical energy 15 when it is received in the second location 8.
• the second autonomous sources of electrical energy all have a connector 36 compatible with the connector 35.
• connection elements of the connector 35 are not necessarily used for all the second autonomous sources of electrical energy 15 since they can have oir a different number of electric power lines, in particular depending on whether it delivers a direct current, a single-phase alternating current or a three-phase alternating current.
• the telescopic truck 1 is provided to receive and manage any of at least five different second autonomous sources of electrical energy, namely: a generator set 15a comprising an internal combustion engine and delivering a voltage single phase alternative,
• a set 15d formed by a block of rechargeable electric batteries distinct from the block of batteries 20 and an associated electric charger to recharge them from a mains power supply network and which are therefore housed in a common housing, unlike the block batteries 15c forming a second independent source of electrical energy without an associated electrical charger and which therefore needs to be recharged by an independent electrical charger, and
• this set of second autonomous sources of electrical energy 15 can be varied and include other autonomous sources of energy electric, for example a gas turbine generating set, or even a generating set delivering a three-phase voltage.
• the on-board electronics 40 are provided to manage the second autonomous source of electrical energy 15 present in the second slot 8 according to a choice of a first so-called charging mode or a second so-called boost mode.
• the so-called charging mode the second autonomous source of electrical energy is used to recharge the battery pack 20 and participates only slightly in supplying the motors 21 and 23.
• the on-board electronics can be provided for adapt the charge curve of the battery pack 20 according to that of the second independent sources of electrical energy which is received in the second location 8, for example by controlling the converter 31 accordingly.
• the motors 21 and 23 can be supplied simultaneously from the battery pack 20 and from the second independent source of electrical energy 15, which makes it possible to operate in accumulation of the powers supplied by the battery pack 20 and the second autonomous source of electrical energy 15.
• the second autonomous source of electrical energy 15 supplies a higher power, for example at least double, with respect to the so-called charging mode. Provision may be made for the operator to be able to select the so-called charge mode or the so-called boost mode at the control console.
• the on-board electronics 40 can be provided to automatically apply one or the other of the modes, for example according to the power demanded by the motors 21 and 23.
• the telescopic truck 1 can be provided to be able to implement only the so-called charging mode or, alternatively, only the so-called boost mode.
• the telescopic truck 1 is designed to operate thanks to the battery pack 20, even in the absence of a second autonomous source of electrical energy in the location 8.
• the battery pack 20 is the main electrical energy source of the telescopic truck 1 while the second independent sources of electrical energy 15 are auxiliary optional sources.
• a system may be provided for adapting the electrical characteristics of the energy supplied by them.
• the second autonomous sources of electrical energy 15b, 15c, 15d and 15e each supply a DC voltage at a level corresponding to that of the battery pack 20. There is no need to adapt the voltage for these. .
• the generating set 15a supplies a single-phase alternating voltage or, as a variant, three-phase. This is then converted into DC voltage. This conversion can be performed by converter 31. Alternatively, a separate converter can be provided.
• the on-board electronics 40 can be provided to have the energy supplied by the second independent source of electrical energy 15 thus adapted or not, for example by controlling a switch 32 to selectively connect the connector 35 to the converter 31 or to the power circuit 30 by bypassing converter 31.
• the telescopic truck 1 can comprise a DC-DC converter to achieve a voltage adaptation of the second autonomous source of electrical energy to that of the power circuit 30 and the battery pack 20.
• some of the second autonomous sources of electrical energy 15 can be provided to be controlled by the on-board electronics 40 of the telescopic truck 1.
• this is the generator set 15a which includes a start-up function. road and stop.
• the on-board electronics 40 is placed in control connection with the generator 15a - or other second autonomous source of electrical energy concerned - when it is mounted in the second location 8.
• it is This is a wired connection provided with a connector 41 separate from the power connector 35.
• the two connectors 35 and 41 are combined into one.
• it may be a wireless communication link.
• the on-board electronics 40 thus cooperates with electronics integrated into the generator set 15a in order to be able to control the starting and stopping of the generator set 15a.
• the second autonomous sources of electrical energy 15 can be the subject of specific management by the on-board electronics 40 such as, for example, the application of a specific charging curve to charge the block of batteries 20, the adaptation of the characteristics of the electrical energy that they supply or even the control of functions specific to some such as starting and stopping the generator set 15a, or even other functions.
• an identification system is provided which allows the on-board electronics 40 to know which of the second autonomous sources of electrical energy 15 is received in the second slot 8 and connected to the connector 35.
• the electronics of edge 40 contains in memory the management rules specific to each of the second autonomous sources of electrical energy 15.
• this identification system uses the control link connected to connector 41 which is preferably made in the form of a data communication link, for example a CAN bus.
• Each of the second independent sources of electrical energy 15a to 15e comprises integrated electronics designed to supply the on-board electronics 40 with identification data for this second independent source of electrical energy.
• These identification data may for example include the make, model and serial number of the second autonomous source of electrical energy 15.
• This data communication link is also used to send commands from the on-board electronics 40 to the integrated electronics of the second independent source of electrical energy 15 such as the controls for starting and stopping the generator set 15a.
• the data communication link can also be used by the integrated electronics of the second independent source of electrical energy 15 to send the on-board electronics 40 any information such as malfunction alarms. Obviously, this data communication link is not used for sending commands by the on-board electronics 40 in the case where the second independent source of electrical energy 15 concerned does not have any controllable functionality as may be the case of the second sources 15c, 15d and 15e.
• the identification system may be separate from the control link. It can for example be implemented on the basis of a transponder which equips each of the second autonomous sources of electrical energy 15. The identification data recorded in the transponder are read by an appropriate reader which is arranged at the level of the second slot 8 and which is connected to the on-board electronics 40.
• the identification system can be optical or inductive in nature with sensors provided at slot 8 to cooperate with coding tabs arranged on the housing of each second autonomous source of electrical energy 15 and which identify the latter.
• FIGs 4 to 6 illustrate the case of a scissor lift 101 according to one embodiment of the invention.
• the scissor lift 101 comprises a frame 102 and a work platform 150 which is supported by a scissor lift mechanism 105 which is itself mounted on the frame 102.
• the work platform 150 conventionally comprises a floor and a guardrail and is designed to accommodate people on board, and possibly equipment.
• the scissor lift mechanism 105 is known per se.
• One or more hydraulic cylinders 151 are used to extend or fold the scissor lift mechanism 105 to raise the work platform 150 to the desired working height and lower it on the frame 102.
• the chassis 102 is provided with 3 wheels, in this case two at the front and two at the rear, through which the chassis 102 rests on the ground and which allow the lifting platform 101 to be moved on the ground.
• the front side of the lifting platform 101 is designated by AV, the rear side by AR, the left side by G and the right side by D.
• the power circuit of the lifting platform 101 can be similar to that of FIG. 3 of the telescopic truck 1.
• the battery pack 20 and the converter 31 can be arranged on a first lateral side of the frame 102 with respect to the lifting mechanism at scissors 105, i.e. on the left side G in our example. They are preferably housed inside a cowling 152 visible in Figure 4.
• the electric motor 23 and the hydraulic pump 25 can be arranged on the opposite lateral side of the frame 102 with respect to the scissor lift mechanism 105, i.e. on the right side D in our example. They are preferably housed inside a cowling 153 visible in FIGS. 5 and 6. Other components can be housed there, such as for example a hydraulic distributor and the on-board electronics 40.
• a control panel 154 can also be arranged at the cowling 153 so as to be accessible from the outside of the cowling 153. an operator on board the latter to control the lifting or lowering of the work platform 150 and the movement on the ground of the scissor lift 101.
• a slot 108 is provided on this lateral side of the chassis 102 for the removable mounting of any second autonomous source of electrical energy to be chosen from among a plurality of second autonomous sources of electricity. 15 different electrical energy.
• Figure 5 shows the location 108 in the absence of a second independent source of electrical energy installed therein.
• Figure 6 shows a second autonomous source of electrical energy 15 received in location 108.
• the telescopic mast can be mounted around a horizontal axis directly on the turret or through arms articulated between them and providing the possibility of deployment in height, one end of a lower arm being pivotally mounted around a horizontal axis on the turret and the telescopic mast being pivotally mounted around a horizontal axis at one end of an upper arm. More generally, the present invention is not limited to the examples and to the embodiments described and represented, but it is capable of numerous variants accessible to those skilled in the art.

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• Engineering & Computer Science (AREA)
• Transportation (AREA)
• Mechanical Engineering (AREA)
• Life Sciences & Earth Sciences (AREA)
• Structural Engineering (AREA)
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• Sustainable Energy (AREA)
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• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Charge And Discharge Circuits For Batteries Or The Like (AREA)

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• 2022
  • 2022-07-20 CA CA3222062A patent/CA3222062A1/fr active Pending
  • 2022-07-20 US US18/577,829 patent/US20240317558A1/en active Pending
  • 2022-07-20 AU AU2022313535A patent/AU2022313535A1/en active Pending
  • 2022-07-20 EP EP22754487.1A patent/EP4373779A1/de active Pending
  • 2022-07-20 WO PCT/FR2022/051446 patent/WO2023002125A1/fr not_active Ceased

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