51results about "IC engine locomotives" patented technology

The invention provides an internal combustion motor train unit equipment compartment and an internal combustion motor train unit, and the equipment compartment comprises two apron boards which extend along the length direction of a train body and are arranged at intervals along the width direction of the train body; the bottom plate is parallel to the bottom of the vehicle body and is lapped between the two apron boards; the two end plates are arranged at intervals in the length direction, and a containing space used for containing an internal combustion power pack is defined by the two end plates, the apron board, the bottom plate and the vehicle body; the first ventilation module comprises a first air outlet and a plurality of first fans arranged around the internal combustion power pack, and the first air outlet is formed in the bottom plate and used for driving at least part of heat generated by the internal combustion power pack to be discharged out of the containing space through the first air outlet; and the second ventilation module is used for driving residual heat generated by the internal combustion power pack and heat of other equipment in the cabin to be discharged out of the accommodating space and allowing cold air outside the cabin to be supplemented to the accommodating space. The exhaust air rate and the pressure head of the second ventilation module are larger than those of the first ventilation module, so that overall ventilation of the equipment compartment and local ventilation of the internal combustion power pack are both considered.

A method for predicting changes in fuel consumption due to alterations in train operations is disclosed. The method comprises: collecting a baseline train data of a first train, the baseline train data including first train parameters, first operational parameters, and a first fuel consumption of the first train; inputting the baseline train data into an artificial intelligence (AI) model; training an AI model with a second train data, the second train data includes second operational parameters and a second fuel consumption of the first train, the AI model is trained until a baseline operation is predictable; implementing operational changes from the baseline operation to a field train operation for a third train, the field train operation includes changes to the first train parameters and changes to the first operational parameters implemented in the third train; and predicting, utilizing the AI model, the fuel consumption of the third train.

The invention discloses an internal combustion power pack electrical control system for a motor train unit. The internal combustion power pack electrical control system comprises an internal combustion power pack control unit, a fan control unit and a first control branch connected with the internal combustion power pack control unit through a CAN communication loop. Parameter data of the internal combustion power pack are collected through the remote node control unit, and operation of the execution component is achieved through the train control unit according to a control instruction based on the control instruction of the internal combustion power pack control unit for controlling the execution component. The real-time operation temperature of each position of the diesel engine is obtained through a temperature acquisition unit; the real-time operation temperature is transmitted to the fan control unit through the internal combustion power pack control unit, and temperature control and early warning in the train operation process are achieved based on a built heat dissipation protection control strategy and an early warning protection mechanism. The problems that an existing internal combustion power pack control system has the defects in the aspects of over-control, power distribution, automatic detection and protection of a cooling system, and stable and efficient operation of the system of the internal combustion power pack cannot be effectively controlled are solved.

In one embodiment, a probe includes a first facet associated with a first pressure port operable to measure a first wind pressure, a second facet associated with a second pressure port operable to measure a second wind pressure, and a third facet associated with a third pressure port operable to measure a third wind pressure. The second facet is adjacent to the first facet and the third facet adjacent to the second facet. The probe further includes a fourth facet adjacent to the third facet and a fifth facet adjacent to the fourth facet and to the first facet. The first facet, the second facet, the third facet, the fourth facet, and the fifth facet are located between a first end portion and a second end portion of the probe.

The invention provides an internal combustion motor train unit equipment compartment and an internal combustion motor train unit, and the equipment compartment comprises two apron boards which extend along the length direction of a train body and are arranged at intervals along the width direction of the train body; the bottom plate is parallel to the bottom of the vehicle body and is lapped between the two apron boards; the two end plates are arranged at intervals in the length direction, and a containing space used for containing an internal combustion power pack is defined by the two end plates, the apron board, the bottom plate and the vehicle body; the first ventilation module comprises a first air outlet and a plurality of first fans arranged around the internal combustion power pack, and the first air outlet is formed in the bottom plate and used for driving at least part of heat generated by the internal combustion power pack to be discharged out of the containing space through the first air outlet; and the second ventilation module is used for driving residual heat generated by the internal combustion power pack and heat of other equipment in the cabin to be discharged out of the accommodating space and allowing cold air outside the cabin to be supplemented to the accommodating space. The exhaust air rate and the pressure head of the second ventilation module are larger than those of the first ventilation module, so that overall ventilation of the equipment compartment and local ventilation of the internal combustion power pack are both considered.

The present disclosure relates to the technical field of structural arrangement of power modules in traction converter systems, and relates in particular to a rectifier power module for an internal combustion engine traction system. The disclosure addresses the technical problem of numerous specifications and models of rectifier power modules in existing internal combustion locomotives, which hinders the overall modular and standardized design of converters. The rectifier power module comprises a water-cooled baseplate, a left composite busbar, a right composite busbar, a left frame, and a right frame. All diodes are evenly arranged on two sides of the water-cooled baseplate. A resistor in a traction system grounding circuit is disposed on the left side of the water-cooled baseplate, and a resistor in an auxiliary system grounding circuit and a resistor in a traction system discharge circuit are disposed on the right side of the water-cooled baseplate. The left frame is located on the left side of the left composite busbar, and the right frame is located on the right side of the right composite busbar. Interfaces S1 and S2 are disposed on plates on the front sides of the left and right composite busbars, respectively. Interfaces S6, S7, and S8 are disposed on the front side of the right frame. Three-phase high-voltage input interfaces S3, S4, and S5 are connected to plates on the rear sides of the left and right composite busbars.

Thermal management is provided. An exhaust enclosure is configured to receive a combustion gas from a combustion engine. The exhaust enclosure is enclosed from an environment by a plurality of enclosure walls extending from an exhaust portion of an exhaust vent. The exhaust enclosure includes skirting walls extending from a compartment portion of the exhaust vent, and open to the environment along a surface opposite from the exhaust vent. The environment is fluidly coupled with the compartment portion of the exhaust vent.

The utility model belongs to the technical field of cooling systems, and discloses a low-position exhaust locomotive cooling system which comprises a dry expansion water tank, a radiator, a drainage pipeline and an exhaust pipeline. The dry expansion water tank is arranged below the radiator; the other end of the drainage pipeline is communicated with the bottom of the dry-type expansion water tank; and the other end of the exhaust pipeline is communicated with the top of the dry-type expansion water tank. By means of the arrangement, especially the design of the relative positions of the dry expansion water tank and the radiator, when a locomotive stops running, it is guaranteed that cooling liquid cannot be retained in the radiator, the problems that in the low-temperature environment, the cooling liquid freezes to enable a pipe fin type radiator pipeline to be expanded and broken, and consequently liquid leakage of the radiator is caused are solved, and the system exhaust function is also considered; the reliability and the service life of the cooling device are ensured; the relative position of the dry expansion water tank and the radiator is matched with the design of the built-in flow channel, so that the installation of the dry expansion water tank is more flexible and convenient, and the design space is better utilized.

The invention relates to an arrangement for driving a locomotive with different energy supply systems, wherein the locomotive comprises a main energy supply system as the main system and a drive system. Energy supplied by the main system is fed to the drive system as drive power and used by the latter to move the locomotive. A car includes at least one further energy supply system as an auxiliary system, wherein the auxiliary system is used to supply drive power to the drive system with a time delay compared to the main system. Components that can be used by both the main system and the at least one auxiliary system are implemented only once and are used jointly by both the main system and the at least one auxiliary system. Components that can be used exclusively by the at least one auxiliary system are arranged on the car.

The present disclosure provides a control method of a diesel locomotive, comprising: obtaining a current operating state of the diesel locomotive, the current operating state comprising a traction state, an idle state and a braking state, the braking state comprising an electric braking state; in a case where the current operating state of the diesel locomotive is the electric braking state, obtaining a first trend graph of engine torque of the diesel locomotive varying with engine speed; determining a target speed based on the first trend graph; and adjusting the engine speed of the diesel locomotive to the target speed. The present disclosure also provides a control device, equipment, storage medium and diesel locomotive of a diesel locomotive.

The invention relates to an arrangement for supplying a rail vehicle with electrical energy, the arrangement comprising: - at least two internal combustion engines (1), - an associated electric machine (3) for each of the at least two internal combustion engines (1) for generating the electrical energy, the electric machine (3) being mechanically coupled to the internal combustion engine (1) so that it is driven by the internal combustion engine (1) during generator operation of the electric machine (3), so that at least a first and a second internal combustion engine-machine combination are formed, - a common controller (17) of the internal combustion engine-machine combinations, the controller (17) being designed to start the internal combustion engines (1) individually as needed, - at least one preheating device (KUL) designed to preheat the internal combustion engines (1) before starting, - a temperature determination device (19),which is thermally coupled to the internal combustion engines (1) and which is connected to the controller (17) via a signal connection in order to transmit information about the temperatures of the internal combustion engines (1) to the controller (17), wherein the controller (17) is designed to start another of the internal combustion engines (1) during operation of one of the internal combustion engines (1) if, due to cooling of the other internal combustion engine, a temperature of the other internal combustion engine determined by the temperature determination device reaches or falls below a first predetermined temperature limit value. A scheme is specified according to which the internal combustion engines currently to be used for generating electrical energy are to be selected, taking into account the current operating state of the arrangement with several internal combustion engines and the current requirements of the arrangement, wherein the controller is designedif conditions exist for starting an internal combustion engine threatened by cooling down, to modify the selection to be made according to the scheme by starting the internal combustion engine threatened by cooling down.

A power generation unit includes: an internal combustion engine; a power generator that generates electric power by an output of the internal combustion engine; and a support structural body that supports both of the internal combustion engine and the power generator and includes a detachable structure that is attachable to and detachable from an attached body.

This invention relates to the field of cooling equipment technology and discloses a suspended multi-fan diesel engine cooling device, including a cooling mechanism for cooling and dissipating heat from the diesel engine. The cooling mechanism consists of four parts: a radiator, fans, an expansion tank, and a frame. The radiator is installed above the frame. There are two expansion tanks, which are respectively located at the left and right ends of the connection between the radiator and the frame. The frame has eight air ducts that are square and mutually separated. Each air duct is equipped with a fan, which realizes segmented control. The fans are set as eight axial flow fans and are installed in the eight air ducts of the frame to form eight independent air ducts. This avoids cross-flow of air when one fan fails and stops, which would affect the normal operation of other fans. It also makes the air supply flow field more uniform. The square and inclined air ducts can make the air blow into the radiator more concentrated, reduce the air duct resistance, and enhance the heat dissipation effect.

The utility model provides a monorail conveyor with an adjustable engine angle, and belongs to the technical field of monorail conveyors. The problem that an existing monorail conveyor is narrow in application range is solved. According to the monorail conveyor with the angle-adjustable engine, the engine is provided with an oil tank and fixed to a mounting frame, the mounting frame is provided with an adjusting plate, the adjusting plate is provided with a first mounting hole and a second mounting hole, and the second mounting hole is located above the first mounting hole; a first adjusting hole, a second adjusting hole, a third adjusting hole and a fourth adjusting hole are formed in the machine frame in the transverse direction, the circle center distance between the first adjusting hole and the third adjusting hole and the circle center distance between the second adjusting hole and the fourth adjusting hole are both equal to the circle center distance between the first installing hole and the second installing hole, and the fourth adjusting hole is located above the second adjusting hole. And the adjusting plate is fixed on the rack through a fastener. Through the arrangement of the structure, the monorail conveyor can operate within two slope ranges, and the application range of the monorail conveyor is widened.

The application discloses a kind of electric control systems for diesel power pack of motor train unit, including diesel power pack control unit, fan control unit and the first control branch being connected with diesel power pack control unit by CAN communication loop;The parameter data of diesel power pack is collected by remote node control unit, and based on the control instruction of execution component control of diesel power pack control unit, the operation of execution component is realized according to control instruction by train control unit;The real-time running temperature of each position of diesel engine is obtained by temperature acquisition unit;Real-time running temperature is transmitted to fan control unit by diesel power pack control unit, and temperature control and early warning in the process of train operation are realized based on the constructed heat dissipation protection control strategy and early warning protection mechanism.The application solves the problems of the existing diesel power pack control system, such as insufficient cooling system control, power distribution, automatic detection and protection, and inability to effectively control the system stability and efficient operation of diesel power pack.

The present invention relates to the technical field of intercoolers for railway engine cars, and specifically to an intercooler device for railway generator cars, comprising an L-shaped induced draft duct, one end of the induced draft duct vertically extending upward to the outdoors, the other end of the induced draft duct horizontally extending to the outdoors, a fan assembly and an intercooler are sequentially arranged below the induced draft duct itself, a rainproof cap is arranged just above the top of the induced draft duct, the output end of the intercooler is connected to the air intake pipe of the engine, the input end of the intercooler is connected to the air outlet pipe of the engine, the fan assembly comprises a motor and a guide fan, the present invention can achieve indoor heat dissipation, greatly improve the low indoor heat dissipation efficiency of the indoor carriage engine, the rainproof cap can adjust the inclination angle of the rainproof cap according to the speed of the train, reduce the obstruction to air discharge, and improve the heat exchange efficiency in the induced draft duct.

The application discloses a hybrid locomotive, and aims at solving the problems of large air resistance and high fan energy consumption during high-speed driving. The technical scheme comprises the following steps: a first air inlet of a first air inlet channel is arranged at a locomotive head, natural air is introduced by using the air pressure difference during high-speed driving, and the internal combustion engine and the generator in a power box are cooled and combustion air is provided; a streamlined top cover is arranged at the locomotive head, and the air inlet is arranged below the top cover to enhance the air flow compression effect; a control cover plate and a pressure relief air duct are arranged on the side wall of the first air inlet channel to reduce the resistance when not working; an exhaust fan is arranged on an exhaust channel to adjust the air pressure of the power box; air is filtered into the internal combustion engine after heat exchange through a heat exchanger, and the utilization rate is improved; and air is introduced through a second air inlet channel and a fan at low speed. The application can reduce air resistance and fan energy consumption, improve the endurance, and is suitable for high-speed passenger hybrid locomotives.

A support structure for a roof of a rail vehicle comprises a first support with a first cavity arranged inside for the passage of a gas. This allows a machine room in which a battery is located to be degassed in a space-saving manner.

The invention relates to the field of railway vehicles, and provides a smoke exhaust structure, a vehicle body and a railway vehicle. The smoke discharging structure comprises a frame which is formed by installing and welding a plurality of sectional materials, and the frame comprises a bent beam, a longitudinal beam and a stand column. The multiple plate bodies are connected to the frame, and the multiple plate bodies and the frame jointly define a caisson with an upper opening; the bottom plate is arranged at the bottom of the caisson in a sealing mode, and a through hole used for allowing a smoke exhaust pipeline to penetrate through is formed in the bottom plate; the caisson is suitable for being installed in a preset opening of a car roof, so that the smoke exhaust structure does not protrude out of the outer contour line of a car body after being installed. The smoke exhaust structure can greatly reduce the air resistance when the vehicle runs at a high speed, is particularly suitable for the high-speed railway vehicle, reduces the traction energy consumption, and improves the operation economy; vibration, impact and lateral wind pressure in the running process of a vehicle can be borne, the phenomenon that a smoke exhaust pipeline deviates due to deformation of the caisson is avoided, and long-term stable work of a smoke exhaust system is guaranteed; and rainwater, dust and other impurities can be prevented from entering, and the risk of corrosion and blockage of a smoke exhaust pipeline is reduced.

System and method for starting an engine of a locomotive are provided. An energy storage device and an engine controller operatively connected to the engine and the energy storage device are provided. The energy storage device is positioned in parallel with a battery system of the locomotive for providing power to accelerate an engine crankshaft for starting the engine. The engine controller enables the energy storage device to supply power for accelerating the engine crankshaft in response to an engine start signal. The engine controller identifies an engine cylinder, from a plurality of engine cylinders within the engine, to receive fuel injection, upon receiving the engine start signal. The engine cylinder is identified based on one or more engine parameters recorded at a preceding engine shutdown event. The engine controller then injects fuel into the identified engine cylinder before the engine crankshaft completes a crankshaft cycle.

Apparatus, systems and methods including an apparatus for aftertreatment of exhaust flow from a diesel engine of a locomotive are shown and described. The apparatus can include: a housing having an elongate length and a height that is relatively smaller than the elongate length; a mixing tube configured to receive the exhaust flow of the diesel engine, wherein the mixing tube is positioned within the housing and extends longitudinally along at least a portion of the elongate length of the housing; a first plurality of treatment units in fluid communication with the exhaust flow from the mixing tube, wherein catalysts of the first plurality of treatment units are configured to treat the exhaust flow; and a door forming part of a roof of the locomotive, wherein the door is openable to provide access to at least some of the first plurality of treatment units.

This application discloses a direct-drive intelligent self-cleaning cooling system for a diesel engine power pack in a rail transit locomotive, applicable to the field of heat exchange technology for rail vehicles. The system includes: a radiator unit for providing a heat exchange interface between the diesel engine coolant and the pressurized air; a direct-drive fan unit for generating cooling airflow through the heat exchange interface or reverse-flowing cleaning airflow to blow away accumulated dust; a temperature sensing network unit for real-time monitoring of the temperatures of the diesel engine coolant and the pressurized air, and obtaining corresponding temperature parameter sets; and an onboard electronic control unit for adjusting the fan speed according to the corresponding temperature parameter sets, and automatically controlling the fan to reverse for online self-cleaning based on the pressure difference between the intake and exhaust sides and the locomotive's operating conditions. This application dynamically adjusts the acceleration slope based on the temperature rise rate to avoid energy waste caused by overheating.

A control system and method for a fan. According to one example, the system can include an engine and a fan for varying a measured engine temperature of the engine during operation. A vehicle controller having one or more processors can also be provided that can be configured to, in response to the measured engine temperature being above a predetermined first engine threshold temperature, operate the fan in a forward direction to cool the engine, determine an icing risk characteristic of the engine, and operate the fan in a reverse rotation based at least in part on the icing risk characteristic.

In one embodiment, a method includes determining, by an auxiliary power controller, a first selection of one or more power input sources from a plurality of power input sources. The method also includes determining, by the auxiliary power controller, a first selection of one or more power consuming devices from a plurality of power consuming devices. The method also includes managing, by the auxiliary power controller, transfer of auxiliary power from the first selection of the one or more power input sources to the first selection of the one or more power consuming devices.

The invention relates to a cooling device (40). The cooling device (40) has an opening (1) with a protective grating (2). The cooling device (40) also has a heat-generating functional unit (3). Part of the cooling device (40) is also an air transport path between the opening (1) and the heat-generating functional unit (3). The air transport path comprises a heat conducting unit (8) which is designed such that it forms a thermal bridge between the heat-generating functional unit (3) and the protective grating (2). The invention also relates to an underfloor container (10). The invention additionally relates to a rail vehicle (80). In addition, the invention relates to a method for producing a cooling device (40).

The invention discloses an internal combustion power module for a platform hybrid power locomotive, which relates to the technical field of hybrid power locomotives and comprises a protective frame, two sets of power systems, two sets of cooling systems, an auxiliary system and a vibration isolation system, the protection frame comprises a mute box and a public bottom frame, and the mute box is installed on the public bottom frame. The two sets of power systems are symmetrically arranged at the two ends of the public underframe and located in the mute box, and the power systems are used for generating electricity and supplying the electricity to the rail locomotive; the two cooling systems are symmetrically arranged at the two ends of the public bottom frame and located in the mute box, and the cooling systems are used for dissipating heat of the power system. The auxiliary system is installed in the mute box and used for assisting the power system to work. The vibration isolation system is installed at the bottom of the public underframe so as to be connected with the rail locomotive. By means of the arrangement, it can be guaranteed that the locomotive based on platform design has an internal combustion power mode under the design work that only a small amount of changes are conducted, and the hybrid power function of the locomotive is achieved.

A vehicle includes at least one air inlet opening for admitting ambient air, at least one air outlet opening for discharging the ambient air, and an air-cooled cooling device connected to the air inlet opening and the air outlet opening for cooling one or more vehicle components. The air outlet opening is equipped with at least one guide device, which is adjustable and is pivoted automatically or in a manner driven by an adjustment device on the air outlet side into a forward travel position when the vehicle is travelling in a direction of forward travel and into a reverse travel position, which differs from the forward travel position, when the vehicle is travelling in a direction of reverse travel.

The invention relates to an arrangement for driving a locomotive with different energy supply systems, wherein the locomotive comprises a main energy supply system as the main system and a drive system. Energy supplied by the main system is fed to the drive system as drive power and used by the latter to move the locomotive. A car includes at least one further energy supply system as an auxiliary system, wherein the auxiliary system is used to supply drive power to the drive system with a time delay compared to the main system. Components that can be used by both the main system and the at least one auxiliary system are implemented only once and are used jointly by both the main system and the at least one auxiliary system. Components that can be used exclusively by the at least one auxiliary system are arranged on the car.

The present invention discloses an internal combustion power pack, which adopts a modular design and rationally arranges a diesel engine, a generator, a radiator, a fuel tank, an air filter, a muffler, a diesel oxidation catalyst, a battery and an electronic control box in an installation space surrounded by a bottom frame and a silent box body; the diesel engine, the generator, the radiator and the battery are centrally arranged, and the fuel tank, the air filter, the muffler, the diesel oxidation catalyst and the electronic control box are surrounded by them; wherein, the fuel tank is connected to the second side wall of the silent box body, and the electronic control box is connected to the first side wall of the silent box body; the air filter is suspended under the top plate of the silent box body; the muffler and the diesel oxidation catalyst are connected to the second end wall of the silent box body; parts that need to be inspected and replaced can be inspected and replaced by simply disassembling the first side wall, the second side wall, the first end wall, the second end wall or the top plate, thereby improving the convenience of maintenance operations.