WO2025080161A1 - Système pneumatique de moyen de transport électrique hautement automatisé de fret de catégorie n3 - Google Patents

Système pneumatique de moyen de transport électrique hautement automatisé de fret de catégorie n3 Download PDF

Info

Publication number
WO2025080161A1
WO2025080161A1 PCT/RU2024/050210 RU2024050210W WO2025080161A1 WO 2025080161 A1 WO2025080161 A1 WO 2025080161A1 RU 2024050210 W RU2024050210 W RU 2024050210W WO 2025080161 A1 WO2025080161 A1 WO 2025080161A1
Authority
WO
WIPO (PCT)
Prior art keywords
pneumatic
circuit
valve
compressed air
pneumatic system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/RU2024/050210
Other languages
English (en)
Russian (ru)
Inventor
Вадим Анатольевич ШУМАКОВ
Илья Михайлович ФЕДИЧЕВ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Evokargo OOO
Original Assignee
Evokargo OOO
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
Priority claimed from RU2023126236A external-priority patent/RU2811182C1/ru
Application filed by Evokargo OOO filed Critical Evokargo OOO
Publication of WO2025080161A1 publication Critical patent/WO2025080161A1/fr
Anticipated expiration legal-status Critical
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
    • B60G11/26—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs
    • B60G11/27—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs wherein the fluid is a gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/08—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/24—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being gaseous
    • B60T13/26—Compressed-air systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/66—Electrical control in fluid-pressure brake systems

Definitions

  • the invention relates to pneumatic systems of a highly automated electric cargo vehicle (HEV) of category N3, which are a set of devices intended for the operation of mechanisms by means of compressed air, performing the functions of braking and adjusting the position of the vehicle body (VB).
  • HEV highly automated electric cargo vehicle
  • VB vehicle body
  • a pneumatic drive for vehicle brakes is known from the prior art (RU 2145556 Cl, B60T 13/38, published 20.02.2000), comprising a compressor, an air preparation unit with a pressure regulator and a check valve at the outlet, a safety valve with a bypass resistance for compressed air, consisting of bypass valves with a bypass resistance for the service brake circuits and supplied through check valves from the service brake circuits, bypass valves with a bypass resistance for the energy accumulator circuit and the consumer circuit, receivers for the service brake circuits, receivers for the energy accumulator circuit and the consumer circuit, a control valve for the energy accumulators, a speed-up valve for the energy accumulators, energy accumulators, supply lines for the control valve for the energy accumulators and the speed-up valve, a trailer brake control valve, a two-section brake valve and membrane brake chambers, wherein the feed lines of the energy accumulator control valve and the accelerator valve are connected to each other and fed from the output of a two-line bypass valve, connected by
  • the closest solution taken as a prototype is a pneumatic drive of the service brake system of a vehicle (RU 2773300 Cl, B60T 8/00, published 01.06.2022), containing a compressor from which compressed air through an oil separator enters the air preparation unit, where it is cleaned and divided into independent circuits of the brake mechanisms of the front wheels and the wheels of the rear axles, entering the devices of the circuits of the brake mechanisms, including receivers, modulators of the anti-lock system, brake chambers, acceleration valves; a two-section brake valve, which, when braking, passes air from the cylinders into the actuators of the circuits of the brake mechanisms of the front, middle and rear axles, wherein the circuit of the brake mechanisms of the front wheels and each axle of the circuit of the wheels of the rear axles contain valve devices with two control ports assembled with dual-line valve devices, as well as the use of receivers on the front axle and rear axles of the vehicle with the same volume of compressed air.
  • the technical result of the claimed invention consists in providing the ability to control a compressor with an electric drive by means of continuous monitoring of the pressure in different circuits of the pneumatic system of a vehicle, as well as controlling the pneumatic suspension, providing air to third-party consumers.
  • the claimed technical result is achieved thanks to the pneumatic system of a highly automated electric cargo vehicle of category N3, containing a compressor with an electric drive (1), driven by a command from an upper-level controller (39), formed thanks to the presence of pressure sensors in the system (19, 28, 3), a discrete signal from a temperature sensor built into the compressor with an electric drive (1) and the processing of information from them, and fed to a DC-AC converter (41), wherein the upper-level controller (39) connected to the DC-AC converter (41) and to the EBS electronic control unit (42) via a CAN connection, in addition, the EBS electronic control unit (42) is connected via electrical wiring to the front axle (8) and rear axle (7) modulators, while the EBS electronic control unit (42) is connected via electrical wiring to the ABS valves (9, 10), and the trailer brake control valve (5) is connected to the EBS electronic control unit (42), in turn, after receiving the command to turn on the electrically driven compressor (1), the process of pressurizing the pneumatic system occurs, while compressed air enters the pneumatic system dryer
  • a valve is additionally contained that releases pressure to 0 bar, which is controlled from a DC-AC converter having a controlled 24V power line.
  • FIG. 1 shows where: 1- Electric driven compressor
  • ECAS Electronice control unit
  • the claimed technical result is achieved due to the operation of the control system integrated with the KVU controller (39), which is a device for collecting and processing data from all units and components of a highly automated vehicle and controlling the devices for executing movement, control and braking by sending permission and/or prohibiting signals via the CAN line.
  • the compressor with an electric drive (1) is driven by a command from the KVU (39) sent to the DC-AC converter (41), which, in turn, supplies power to the electric motor of the compressor with an electric drive (1).
  • the command to supply voltage to the compressor with an electric drive (1) is generated in the KVU (39) due to the presence of pressure sensors in system (19, 28, 3), a discrete signal from the temperature sensor built into the electric-driven compressor (1) and processing information from them.
  • the KVU (39) is connected to the DC-AC converter (41) via the CAN line.
  • the DC-AC converter (41) monitors the compressor oil pressure signal; when the discrete pressure sensor in the compressor lubrication system is triggered, the DC-AC converter (41) breaks the power supply circuit of the electric-driven compressor (1) and sends information to the KVU (39) about detecting low pressure, in turn, the KVU (39) transmits information to the instrument panel (43) to the driver about a malfunction of the electric-driven compressor (1). After receiving a command to turn on the electric-driven compressor (1), the process of pressurizing the pneumatic system occurs.
  • the pneumatic system dryer (2) has a built-in 100W bimetallic heating element to prevent the dryer from freezing, powered by the 24V on-board network of the truck.
  • the pressure line between the compressor and the dryer is unloaded by actuating the standard unloading valve, which is part of the pneumatic system dryer body.
  • the KEM-10 valve (17) is used, releasing the pressure to 0 bar in 12 seconds.
  • the KEM-10 valve is controlled by a DC-AC converter (41), which has a controlled 24V power line.
  • the air is distributed along the circuit lines.
  • 1 and 2 are filled circuit, which provide the truck with compressed air for the braking system, then the 3rd and 4th circuits in turn.
  • Compressed air, entering the first circuit of the pneumatic braking system of the truck VATS, is distributed between two receivers, for example, 30 l (34) and 20 l (35), connected to each other by pneumatic polyamide tubes and fittings of the corresponding nominal value, and remains in them until the moment when braking is required.
  • Compressed air, entering the second circuit of the pneumatic braking system of the truck VATS, is distributed between two receivers, for example, 30 l (33) and 20 l (36), connected to each other by pneumatic polyamide tubes and fittings of the corresponding nominal value, and remains in them until braking is required.
  • Compressed air entering the third circuit of the pneumatic system of the cargo VATS accumulates in a receiver, for example, 20 l (37), connected by pneumatic polyamide tubes and fittings of the corresponding nominal value.
  • Compressed air entering the fourth circuit of the pneumatic system of the cargo VATS accumulates in a receiver, for example, 20 l (38), connected by pneumatic polyamide tubes and fittings of the corresponding nominal value.
  • the braking process occurs by pressing the brake pedal (6) or a message from the control unit (39) to the EBS electronic unit (42), via a CAN connection, while air from the first and second circuits enters the modulators of the front axle (8) and the rear axle (7) via connected pneumatic polyamide tubes and fittings of the appropriate rating, the modulators of the front axle (8) and the rear axle (7) are electrically connected to the EBS unit (42). Compressed air under a certain pressure enters through the ABS valves (9,10) into the working brake mechanisms of the truck VATS (11,12,13,14), connected between the valves and the brake mechanisms by reinforced rubber hoses of the appropriate rating, and the procedure of stopping the truck B ATS is performed.
  • the ABS valves (9,10) are connected by electrical wiring to the EBS unit (42).
  • the ABS valves (9,10) perform the function of anti-locking of the wheels at the moment of braking, to be able to control the truck B ATS at the moment of braking.
  • the driver turns the handle of the bleed brake valve (26), air from the receiver, for example, 20 l (37), through the check valve (24) enters the parking brake valve (26) and the relay valve (25), where the air enters from the control line of the parking brake valve to the trailer brake control valve (5) and the relay valve (25), connected to each other by polyamide pneumatic tubes and fittings of the appropriate rating.
  • the trailer brake control valve (5) is electrically connected to the EBS unit (42).
  • the air entering the relay valve (25) opens the internal pneumatic valve and provides access for air from the receiver (37), for example, 20 l, to the mechanism of the spring energy accumulators of the rear axle of the truck VATS.
  • a pressure relay of the parking brake valve (27) is installed, electrically connected to the on-board computer (Body Computer) (44).
  • the on-board computer (44) is connected to the instrument panel (43) via the CAN line and transmits information about the operation of the parking brake. Also, in the line of the 3rd circuit there is an output to the distribution manifold of compressed air in the cabin (23), to provide the necessary consumers (for example, air seats, steering column adjustment, etc.).
  • the parking brake valve handle (26) When the parking brake is applied to the truck, the parking brake valve handle (26) is moved to the brake position. In this case, air from the control line between the valve parking brake (26) and the accelerator valve (25) is released into the atmosphere. In this case, the internal pneumatic valve of the accelerator valve (25) releases air from the spring energy accumulators of the rear axle, and the truck B of the vehicle is set to the parking brake.
  • ECAS electronic control unit (40) When it is necessary to adjust the position of the rear axle of the heavy-duty VATS, the operation of the ECAS electronic control unit (40) is initiated, which in turn actuates the ECAS electromagnetic valve unit (4).
  • the ECAS electronic control unit (40) interacts via electrical wires with the pressure sensors (20, 22), with the body position sensors and issues control electrical signals to raise or lower the air bellows (29, 30, 31, 32) in the ECAS electromagnetic valve unit
  • Compressed air comes from the fourth circuit receiver (38) to the electromagnetic valve block ECAS (4), through polyamide pneumatic tubes and fittings of the appropriate rating.
  • Information about the adjustment of the air suspension is also displayed on the instrument panel (43) by transmitting a discrete signal from the pressure relay of the fourth circuit of the pneumatic system (21) to the rear frame computer RFC (45), connected to the on-board computer (44), by an electrical connection, which, in turn, is connected via the CAN line to the instrument panel (43).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)

Abstract

L'invention concerne des systèmes pneumatiques de moyens de transport. L'invention concerne un système pneumatique de moyen de transport électrique hautement automatisé de fret de catégorie N3, comprenant un compresseur avec un actionneur électrique, un contrôleur, des capteurs de pression dans le système, un convertisseur CC-CA et quatre circuits pneumatiques. Les premier et deuxième circuits pneumatiques sont destinés au système de freinage, le troisième au système de freinage de stationnement, le quatrième assurant le fonctionnement de la suspension pneumatique. Il est ainsi possible de commander le compresseur avec un actionneur électrique par le biais du contrôle continu de la pression dans les divers circuits du système pneumatique, et de commander également la suspension pneumatique tout en alimentant en air les utilisateurs secondaires.
PCT/RU2024/050210 2023-10-13 2024-09-06 Système pneumatique de moyen de transport électrique hautement automatisé de fret de catégorie n3 Pending WO2025080161A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2023126236 2023-10-13
RU2023126236A RU2811182C1 (ru) 2023-10-13 Пневматическая система грузового высокоавтоматизированного электрического транспортного средства категории N3

Publications (1)

Publication Number Publication Date
WO2025080161A1 true WO2025080161A1 (fr) 2025-04-17

Family

ID=95396107

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/RU2024/050210 Pending WO2025080161A1 (fr) 2023-10-13 2024-09-06 Système pneumatique de moyen de transport électrique hautement automatisé de fret de catégorie n3

Country Status (1)

Country Link
WO (1) WO2025080161A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0113844B1 (fr) * 1983-01-14 1989-02-22 Knorr-Bremse Ag Dispositif de commande pour freins à air comprimé électro-pneumatiques pour véhicules ferroviaires
SU1518175A1 (ru) * 1988-01-04 1989-10-30 Московский Автомобильно-Дорожный Институт Электропневматический тормозной привод т гача
SU1749086A1 (ru) * 1990-10-08 1992-07-23 Сибирский автомобильно-дорожный институт им.В.В.Куйбышева Электропневматический тормозной привод транспортного средства большой грузоподъемности
EP0512226B1 (fr) * 1991-05-10 1994-05-04 MAN Nutzfahrzeuge Aktiengesellschaft Système de freinage à air comprimé
RU2145556C1 (ru) * 1998-01-22 2000-02-20 Открытое акционерное общество "КАМАЗ" Пневматический привод тормозов транспортного средства
RU2773300C1 (ru) * 2021-07-29 2022-06-01 Акционерное общество "Автомобильный завод "УРАЛ" Пневматический привод рабочей тормозной системы транспортного средства

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0113844B1 (fr) * 1983-01-14 1989-02-22 Knorr-Bremse Ag Dispositif de commande pour freins à air comprimé électro-pneumatiques pour véhicules ferroviaires
SU1518175A1 (ru) * 1988-01-04 1989-10-30 Московский Автомобильно-Дорожный Институт Электропневматический тормозной привод т гача
SU1749086A1 (ru) * 1990-10-08 1992-07-23 Сибирский автомобильно-дорожный институт им.В.В.Куйбышева Электропневматический тормозной привод транспортного средства большой грузоподъемности
EP0512226B1 (fr) * 1991-05-10 1994-05-04 MAN Nutzfahrzeuge Aktiengesellschaft Système de freinage à air comprimé
RU2145556C1 (ru) * 1998-01-22 2000-02-20 Открытое акционерное общество "КАМАЗ" Пневматический привод тормозов транспортного средства
RU2773300C1 (ru) * 2021-07-29 2022-06-01 Акционерное общество "Автомобильный завод "УРАЛ" Пневматический привод рабочей тормозной системы транспортного средства

Similar Documents

Publication Publication Date Title
US9022488B2 (en) Fault-tolerant vehicle brake system
CN101495350B (zh) 用于汽车的制动设备
US11052892B2 (en) Electronically controllable pneumatic brake system in a utility vehicle and method for electronically controlling a pneumatic brake system
US8500216B2 (en) Vehicle parking brake and operating method
RU2537221C2 (ru) Электропневматический модуль регулирования давления для электропневматических тормозных систем транспортных средств и электропневматическая тормозная система
US10207694B2 (en) Parking brake system
US20100252378A1 (en) Control Device for a Brake System of a Utility Vehicle and Method for Controlling a Brake System
CN108025723B (zh) 车辆拖车制动系统和方法
CN107709108B (zh) 具有可由行车制动操纵机构操纵的驻车制动器的电制动装置
US20190217833A1 (en) Air Treatment Unit for a Brake System of a Utility Vehicle, and Method for Operating an Air Treatment Unit
CN116529134A (zh) 用于紧急应用驻车制动器的方法和电动气动的制动系统
US12358474B1 (en) Communication system to transfer data between vehicles
US11724676B2 (en) Trailer detection and control module
US20230415721A1 (en) Method for operating an electropneumatic parking brake system, and electropneumatic parking brake system
CA3144490C (fr) Valve de commande de remorque dotee d'alimentation integree de remorque
CN112714727A (zh) 用于车辆的制动系统
CN200939875Y (zh) 中重型汽车电子控制制动系统
CA3210055A1 (fr) Systeme et methode pour empecher le roulement involontaire du vehicule
US11912082B1 (en) Brake and communication system to transfer control signals and data between a towing vehicle and a towed vehicle
WO2025080161A1 (fr) Système pneumatique de moyen de transport électrique hautement automatisé de fret de catégorie n3
RU2811182C1 (ru) Пневматическая система грузового высокоавтоматизированного электрического транспортного средства категории N3
CN120152890A (zh) 具有双重冗余和制动滑移率调节的电子气动式结构单元和电子气动式制动装置
CN221023639U (zh) 一种用于重型汽车驻坡应急制动系统
US20250187575A1 (en) Brake system of a vehicle with redundant parking brake function
EP4673345A1 (fr) Véhicule remorque et système de commande de remorque

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 24877660

Country of ref document: EP

Kind code of ref document: A1