WO2024019633A1 - Dispositif mobile hydraulique de chargement de moyens de transport électriques - Google Patents

Dispositif mobile hydraulique de chargement de moyens de transport électriques Download PDF

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Publication number
WO2024019633A1
WO2024019633A1 PCT/RU2022/000235 RU2022000235W WO2024019633A1 WO 2024019633 A1 WO2024019633 A1 WO 2024019633A1 RU 2022000235 W RU2022000235 W RU 2022000235W WO 2024019633 A1 WO2024019633 A1 WO 2024019633A1
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WO
WIPO (PCT)
Prior art keywords
mobile device
generator
charging
battery
engine
Prior art date
Application number
PCT/RU2022/000235
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English (en)
Russian (ru)
Inventor
Дмитрий Александрович ЛАШИН
Original Assignee
Дмитрий Александрович ЛАШИН
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Дмитрий Александрович ЛАШИН filed Critical Дмитрий Александрович ЛАШИН
Priority to PCT/RU2022/000235 priority Critical patent/WO2024019633A1/fr
Publication of WO2024019633A1 publication Critical patent/WO2024019633A1/fr

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Classifications

    • 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
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • 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
    • 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
    • B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
    • B60L58/22—Balancing the charge of battery modules
    • 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
    • B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for

Definitions

  • the invention relates to the field of electrical engineering, namely to chargers, and can be used to charge batteries of electric vehicles.
  • a watercraft for charging electric water vehicles is known from the prior art, described in document CN113525608A, publ. 10/22/2021.
  • a known watercraft for charging electric water vehicles contains a housing, connecting components, self-locking components and a control system.
  • the vessel's hull is equipped with power generation and charging components.
  • the disadvantage of this technical solution is the low efficiency of using the battery, the impossibility of operating two different current sources on one DC bus, one of which is the battery, which is why the charging speed, duration and power are low.
  • this solution does not include any means of thermal stabilization of the battery pack to maintain the battery pack within the required temperature range.
  • the claimed invention eliminates these disadvantages and allows one to achieve the stated technical result.
  • the technical problem that the proposed solution solves is the creation of an aquatic mobile device designed for charging electric vehicles, having the ability to operate two current sources on one DC bus in a constant mode of balancing with respect to the load, and having a means of thermal stabilization of the battery pack, allowing maintain the battery pack in the required temperature range, while ensuring greater charging speed, duration and power.
  • the technical result consists in providing the ability to operate two current sources on one DC bus in a constant balancing mode with respect to the load, the ability to maintain the battery pack in required temperature range, increasing power, charging speed and duration, increasing charging efficiency in general.
  • an aquatic mobile device for charging electric vehicles contains a fuel storage tank, an engine connected to it, driving a generator connected to a battery pack equipped with a balancing means, a means for charging electric vehicles connected with the battery pack and the generator through a charge balancing unit, wherein the charge balancing unit is configured to balance the flow of electrical energy from the generator and/or the battery pack depending on information transmitted from the electric vehicle charging means and the battery pack balancing means, wherein the charge balancing unit is connected to the engine control unit with the ability to transmit control commands, and the battery unit is installed in a sealed housing and is additionally equipped with thermal stabilization means, including cooling and heating systems containing temperature sensors and a controller connected to them, and configured to maintain the range of each battery pack in the required temperature range, wherein the cooling system is configured to remove heat by using the ambient temperature, and the heating system is configured to utilize heat by using the temperature of the engine energy.
  • the engine is a gas piston engine.
  • the generator is a DC generator.
  • the generator and engine are mounted on the same frame.
  • sea water is used as a coolant in the cooling system.
  • the cooling system includes an external radiator in contact with sea water.
  • the fuel storage tank is a reservoir for storing the gas mixture.
  • the fuel storage tank is designed as two separate pressure vessels, with one located inside the other in a highly insulated stainless steel housing.
  • the fuel storage tank is equipped with an outlet plug to safely discharge excess pressure.
  • the water mobile device further contains a heat recovery system including a heat exchanger.
  • the heat exchanger is installed outside the fuel tank casing, connected to the engine water jacket using flexible hoses, and configured to receive heat from the engine cooling system.
  • the means for balancing the battery pack includes balancers, each of which is located in its own battery, and which are connected to each other through an independent galvanically isolated line to be able to equalize the voltage of series-connected batteries when charging them with a common voltage.
  • each battery in the battery pack is additionally equipped with a microprocessor-controlled Smart BMS.
  • the water mobile device is designed to charge electric vehicles with direct current of the CCS and ChaDeMo standard.
  • the water mobile device is further configured to operate through a mobile application, providing users with the ability to reserve a time and location for charging the electric vehicle, as well as the ability to provide a contactless payment method for charging the electric vehicle.
  • Figure 1 is a diagram of a water mobile device for charging electric vehicles
  • Figure 2 is a diagram of power distribution (balancing) of a water mobile device for charging electric vehicles.
  • An aquatic mobile device for charging electric vehicles contains a tank 1 for storing fuel, connected to the tank 1, an engine 7 driving a generator 8 connected to a battery pack 9 equipped with a balancing means, a means for charging electric vehicles.
  • the electric vehicle charging means is connected to the battery pack 9 and the generator 8 through a charge balancing unit, wherein the charge balancing unit is configured to balance the flow of electrical energy from the generator 8 and/or the battery pack 9 depending on the information transmitted from the electric vehicle charging means funds and means for balancing the battery pack, wherein the charge balancing unit is connected to the engine control unit with the ability to transmit control commands.
  • the battery pack is installed in a sealed housing and is additionally equipped with thermal stabilization means, including cooling and heating systems containing temperature sensors and a controller connected to them, and configured to maintain the range of each battery pack in the required temperature range, while the cooling system is configured to heat removal by using the ambient temperature, and the heating system is configured to use heat by using the temperature of the engine energy.
  • thermal stabilization means including cooling and heating systems containing temperature sensors and a controller connected to them, and configured to maintain the range of each battery pack in the required temperature range, while the cooling system is configured to heat removal by using the ambient temperature, and the heating system is configured to use heat by using the temperature of the engine energy.
  • the battery cooling system may include an external radiator in contact with sea water, which can also be used in the system as a coolant.
  • the engine may be a gas piston engine.
  • the control unit 5 of the charger ensures coordination of the parameters of the charging session with the electric vehicle, for example, using the CCS protocol, coordination of the parameters of the charging process of internal batteries, and balancing of the system during operation of the device itself.
  • the fuel storage tank may be a cryogenic container (cylinder) for storing a gas mixture or another, for example, LNG and/or hydrogen.
  • the tank can be designed as two separate pressure vessels, with one located inside the other in a highly insulated stainless steel housing. The working pressure in the tank is 10 bar.
  • the internal tank of a cryogenic fuel tank is used to store cryogenic LNG and is wrapped in multiple layers of thermal insulation material (super insulation). In the event of an internal leak into an external vessel, the vent plug will open and safely release excess pressure. If external depressurization of the space between the vessels and loss of vacuum occurs, uncharacteristic moisture or frost will appear on the outer vessel (the presence of frost or condensation at the sealed end of the tank is normal).
  • the volume of the cryogenic tank allows storing up to 500 liters of liquefied natural gas, providing 20 hours of continuous operation of the generator or 20 discharge-charge cycles, 20 charging sessions of 20-30 minutes each.
  • Engine control system 4 can ensure stable starting and operation of the motor over the entire range of operating temperatures. This system can also control the composition of flue gases, adjusting the dosage to achieve optimal performance.
  • the engine control system 4 is interconnected with the engine 7, the fuel tank and the control unit 5 of the water mobile charger devices.
  • the means for charging electric vehicles includes DC-DC converters 10 and a charging pistol 11.
  • the generator can be a three-phase synchronous generator, with a controlled or uncontrolled rectifier, or a direct current generator.
  • the generator can be installed on the same frame as the engine.
  • the device may also additionally contain a standard gearbox 3, a heat recovery system (gas heater 2, radiator 6), including a heat exchanger (evaporator) designed to evaporate liquid cryogenic fuel and supply it to the engine in the form of heated gas.
  • a heat exchanger evaporator
  • the heat exchanger can be installed outside the fuel tank casing, connected to the engine water jacket using flexible hoses and thus can receive heat from the engine cooling system.
  • a battery pack may consist of modular racks in which batteries are placed, the charge in them is controlled using a charge balancing device (special devices - balancers). Each balancer is housed in its own battery. The balancer allows for charge equalization within the battery module. All balancers are connected to each other through an independent galvanically isolated line to make it possible to equalize the voltage of series-connected batteries when charging them with a common voltage (current).
  • a charge balancing device special devices - balancers.
  • Each balancer is housed in its own battery.
  • the balancer allows for charge equalization within the battery module. All balancers are connected to each other through an independent galvanically isolated line to make it possible to equalize the voltage of series-connected batteries when charging them with a common voltage (current).
  • each battery (battery module) of the battery pack can be equipped with a microprocessor-controlled Smart BMS.
  • Smart BMS counts incoming and outgoing energy, measures the temperature of the battery cells, the power current of the entire system, voltage, as well as the voltage on each individual cell.
  • the water mobility device combines the functions of generating, storing and distributing energy at different stages of charging electric vehicles.
  • the device can be mounted on a water vessel with gas, electric or any other drive.
  • This design is driven by the need to generate sufficient power so that the charging process for electric vehicles takes as little time as possible.
  • this design provides an advantage in terms of noise level and also allows the engine to operate in the most optimal modes.
  • This solution allows charging electric vehicles with direct current power up to 250 kW and output voltage from 400 to 800 V.
  • the energy storage system internal battery.
  • the controllers determine when additional power is required and it is advisable to start the electrical installation.
  • the water mobile charger is designed for charging electric vehicles with direct current of the CCS and ChaDeMo standard, can be an installation with a total power of 120 kW (250 kW), operate in continuous mode for up to 20 hours, generating up to 1200 kWh (without refueling).
  • the water mobility device can be accessed through a mobile app, which provides users with the ability to reserve a time and location to charge electric vehicles, as well as use a contactless payment method.
  • the operating principle of the charger is as follows. As the charger moves around the city, the generator set generates energy by consuming fuel, such as liquefied natural gas. Energy is stored in batteries. The device takes about 30 minutes to fully charge its own batteries. Upon arrival at the site, the installation is connected to the electric vehicle, and the charging process begins. The energy flow from the generator is redirected to the electric vehicle. Upon reaching maximum power, the installation begins to discharge its own batteries, while providing additional power accumulated before.
  • fuel such as liquefied natural gas.
  • Energy is stored in batteries.
  • the device takes about 30 minutes to fully charge its own batteries.
  • the installation Upon arrival at the site, the installation is connected to the electric vehicle, and the charging process begins. The energy flow from the generator is redirected to the electric vehicle. Upon reaching maximum power, the installation begins to discharge its own batteries, while providing additional power accumulated before.
  • the cycle repeats, the generator switches to charging mode for the internal batteries.
  • One of the advantages and differences from the solutions known from the prior art is the possibility of distributing (balancing) the power of the mobile charger from the generator and/or battery pack, depending on the information transmitted from the charging means for electric vehicles and the balancing means of the battery pack, where the balancing unit The charge is connected to the engine control unit with the ability to transmit control commands.
  • the problem of operating two current sources, one of which is a battery, on one DC bus lies in the constant mode of balancing the two sources in relation to the load.
  • the load is a charged electric vehicle, which consumes power limited by sources in the form of a generator and battery. If the generator has a relatively constant power, then for the battery this characteristic is variable and varies depending on the state of charge, temperature, and level of degradation of the battery.
  • the entire system is in a constant process of regulating currents according to input parameters.
  • the essence of balancing comes down to calculating the permissible power of the charging station based on the available power of the sources, taking into account the restrictions for each of them.
  • the generator regulator when charging a DC generator 8 of one battery 9 (Fig. 2), the generator regulator must set the maximum charging current setting this battery, at the same time it is necessary to take into account the temperature of the battery and its current voltage. If the maximum battery voltage is exceeded, the generator regulator has a voltage limiting function. In case of low battery temperature, system 5 can also limit the current and turn on battery heating.
  • the case of battery discharge can also be classified as simple, in which restrictions are imposed on the discharge current based on the degree of discharge of the battery and is monitored by its voltage under load, that is, the system monitors the battery voltage and, if it drops below the minimum, reduces the load, limiting the available power for charging 10 electric vehicle.
  • the voltage on the generator and battery buses constantly changes depending on the battery load from 580V to 530V.
  • the available power of the charger approaches the maximum generator power of 60 kW, power will begin to be taken from the battery.
  • the voltage on the buses will be approximately 560V.
  • the generator regulator at this moment reduces the excitation current of the generator, compensating for the excess load created as a result of the voltage drop; the current setting for this regulator is also adjusted, taking this drop into account.
  • the increase in available power for an electric vehicle will continue until the system reaches the maximum available battery power of 60 kW, limiting its current to 111A.
  • the output parameters will be the following: bus voltage 538V, generator current 111A, battery current 111A.
  • the control system sees this and begins to reduce the available power for charging from 120 kW until the battery voltage stabilizes at the permissible minimum level, ultimately when the battery is completely discharged, its component will become equal to zero, the available power of the charging station in this case will be equal to the power of the generator 60 kW.
  • the electric vehicle does not request all available power is 120 kW, and for example only 80, the setting for the generator remains unchanged 111 A, loading it to the maximum, the remaining power is taken from the battery.
  • the released power is redirected to charge the battery. If the battery is already sufficiently charged or has insufficient temperature, the voltage on the bus will increase.
  • the system has a voltage limit set at 582V; upon reaching this level, a slower regulator with voltage feedback comes into operation, influencing the generator current setpoint and ensuring voltage stabilization at 582V.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Secondary Cells (AREA)

Abstract

L'invention concerne un dispositif mobile hydraulique que l'on utilise pour le chargement d'accumulateurs de moyens de transport électriques, et qui comprend un réservoir de carburant, un moteur, un générateur, une unité de batteries d'accumulateurs, un moyen d'équilibrage, un moyen de charge connecté à l'unité de batteries d'accumulateurs et au générateur via l'unité d'équilibrage de charge. L'unité d'équilibrage de charge est capable d'équilibrer le flux d'énergie électrique depuis le générateur et/ou l'unité de batteries d'accumulateurs, et est connectée à une unité de commande du moteur. L'unité de batteries d'accumulateurs est disposée dans un boîtier étanche, et comprend un moyen de stabilisation thermique comprenant des systèmes de refroidissement et de chauffage qui comprennent des capteurs de température et un contrôleur et qui permettent de maintenir la plage de chaque unité de batteries d'accumulateurs dans la plage de température nécessaire. Ce dispositif mobile hydraulique permet le fonctionnement de deux sources de courant sur un seul bus de courant continu en mode continu d'équilibrage par rapport à la charge.
PCT/RU2022/000235 2022-07-22 2022-07-22 Dispositif mobile hydraulique de chargement de moyens de transport électriques WO2024019633A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/RU2022/000235 WO2024019633A1 (fr) 2022-07-22 2022-07-22 Dispositif mobile hydraulique de chargement de moyens de transport électriques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/RU2022/000235 WO2024019633A1 (fr) 2022-07-22 2022-07-22 Dispositif mobile hydraulique de chargement de moyens de transport électriques

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU21641U1 (ru) * 2001-06-05 2002-01-27 Открытое акционерное общество "Научно-производственное объединение "Гелиймаш" Бак криогенный топливный двигателя транспортного средства, работающего на сжиженном природном газе
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EP3782849A2 (fr) * 2019-08-13 2021-02-24 Zaptec IP AS Dispositif de charge à courant continu pour véhicule électrique et pour assurer la gestion de l'énergie d'un réseau connecté
US20210270228A1 (en) * 2018-08-02 2021-09-02 The University Of Tokyo Wave power generation system
CN113525608A (zh) * 2021-08-25 2021-10-22 深圳稳石氢能科技有限公司 氢燃料电池供电发电船
US20220082073A1 (en) * 2020-09-15 2022-03-17 Caterpillar Inc. Fuel injector having valve seat orifice plate with valve seat and drain and re-pressurization orifices
US20220079832A1 (en) * 2020-09-16 2022-03-17 Dephy, Inc. Systems and methods for an active exoskeleton with local battery
US20220158296A1 (en) * 2020-11-13 2022-05-19 Jiangsu Contemporary Amperex Technology Limited Box body, battery, electric apparatus and manufactuirng method of the battery

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU21641U1 (ru) * 2001-06-05 2002-01-27 Открытое акционерное общество "Научно-производственное объединение "Гелиймаш" Бак криогенный топливный двигателя транспортного средства, работающего на сжиженном природном газе
US20120247740A1 (en) * 2011-03-31 2012-10-04 Denso International America, Inc. Nested heat exchangers
WO2017060558A1 (fr) * 2015-10-08 2017-04-13 Wärtsilä Finland Oy Procédé et dispositif pour tester la résistance aux tremblements de terre d'un moteur
DE102015016083A1 (de) * 2015-12-10 2017-06-14 Trw Airbag Systems Gmbh Gasgenerator
CN106679231A (zh) * 2017-01-04 2017-05-17 上海理工大学 利用渔船发动机尾气余热驱动的维勒米尔制冷装置
US20200169201A1 (en) * 2017-06-15 2020-05-28 Suzhou Dsm Green Power Ltd. Compressed air turbine dc power generator system
CN110015184A (zh) * 2017-08-31 2019-07-16 比亚迪股份有限公司 电池均衡方法、系统、车辆、存储介质及电子设备
CN108382255A (zh) * 2018-04-27 2018-08-10 成都西华新源科技有限公司 一种基于热能回收发动机温度控制系统
US20210270228A1 (en) * 2018-08-02 2021-09-02 The University Of Tokyo Wave power generation system
DE102020102040A1 (de) * 2019-01-29 2020-07-30 Ford Global Technologies, Llc Systeme und verfahren zur visuellen leckerkennung in kühlmittelsystemen
EP3782849A2 (fr) * 2019-08-13 2021-02-24 Zaptec IP AS Dispositif de charge à courant continu pour véhicule électrique et pour assurer la gestion de l'énergie d'un réseau connecté
US20220082073A1 (en) * 2020-09-15 2022-03-17 Caterpillar Inc. Fuel injector having valve seat orifice plate with valve seat and drain and re-pressurization orifices
US20220079832A1 (en) * 2020-09-16 2022-03-17 Dephy, Inc. Systems and methods for an active exoskeleton with local battery
US20220158296A1 (en) * 2020-11-13 2022-05-19 Jiangsu Contemporary Amperex Technology Limited Box body, battery, electric apparatus and manufactuirng method of the battery
CN113525608A (zh) * 2021-08-25 2021-10-22 深圳稳石氢能科技有限公司 氢燃料电池供电发电船

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