CN113859271A - Hybrid EMU Power System - Google Patents
Hybrid EMU Power System Download PDFInfo
- Publication number
- CN113859271A CN113859271A CN202111174321.XA CN202111174321A CN113859271A CN 113859271 A CN113859271 A CN 113859271A CN 202111174321 A CN202111174321 A CN 202111174321A CN 113859271 A CN113859271 A CN 113859271A
- Authority
- CN
- China
- Prior art keywords
- gear
- motor
- clutch
- diesel engine
- power
- 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
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C7/00—Other locomotives or motor railcars characterised by the type of motive power plant used; Locomotives or motor railcars with two or more different kinds or types of motive power
- B61C7/04—Locomotives or motor railcars with two or more different kinds or types of engines, e.g. steam and IC engines
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
本发明公开了一种混合动力动车组动力系统，包括动力电池系统、牵引动力系统和辅助动力系统。所述动力电池系统包括动力电池、动力电池控制系统和动力电池热管理系统，集成动力电池包悬挂于动车组车下或安装于动车组车顶；所述牵引动力系统包括柴油机、电机(发电机/电动机)、混动箱、变速箱、车齿箱、冷却系统和电控系统等，除车齿箱外集成混合动力包悬挂于动车组车下，车齿箱安装于动车组转向架内；所述辅助动力系统包括辅助逆变器、滤波器和变压器等。本发明所述混合动力动车组动力系统可以实现动车组油电单独或混合驱动，同时满足动车组辅助供电需求，达到高效、节能、绿色、低碳、环保的目标。
The invention discloses a power system of a hybrid electric vehicle group, comprising a power battery system, a traction power system and an auxiliary power system. The power battery system includes a power battery, a power battery control system and a power battery thermal management system, and the integrated power battery pack is suspended under the EMU or installed on the EMU roof; the traction power system includes a diesel engine, a motor (generator) / electric motor), hybrid box, gearbox, gear box, cooling system and electronic control system, etc., except for the gear box, the integrated hybrid package is suspended under the EMU, and the gear box is installed in the EMU bogie; The auxiliary power system includes auxiliary inverters, filters, transformers, and the like. The hybrid EMU power system of the present invention can realize the oil and electricity independent or hybrid drive of the EMU, meet the auxiliary power supply requirements of the EMU, and achieve the goals of high efficiency, energy saving, green, low carbon and environmental protection.
Description
Technical Field
The invention relates to the field of hybrid power of a motor train unit, in particular to a power system of a hybrid motor train unit.
Background
The traditional power system of the motor train unit is divided into an electric transmission mode and a liquid transmission mode.
The hydraulic transmission power system is the earliest and the most widely applied power transmission system of the internal combustion motor train unit at present.
The hydraulic transmission power system comprises a traction power system and an auxiliary power system; the traction power system comprises a diesel engine, a hydraulic transmission case, a universal shaft, a gear box, a wheel pair, a cooling system, an electric control system and the like, wherein the diesel engine, the hydraulic transmission case, the cooling system, the electric control system and the like are integrated with a hydraulic transmission power pack (see the invention patent of split type hydraulic transmission power system for internal combustion motor train units, patent number ZL 201910063339.9); the auxiliary power system comprises an auxiliary generator, a charger, a storage battery and the like; the traction power system and the auxiliary power system are both directly driven by a diesel engine.
The electric transmission power system comprises a traction power system and an auxiliary power system; the traction power system comprises a diesel engine, a generator, a rectifier, a traction inverter, a traction motor, a coupler, a gear box, a wheel pair, a cooling system, an electric control system and the like, wherein the diesel engine, the generator, the cooling system, the electric control system and the like are integrated into an electric power pack (see an invention patent of a power integration system of a rice rail internal combustion motor train unit, a patent number ZL 201711047868.7; an invention patent of a power integration system arranged under a high-speed internal combustion motor train unit, a patent number ZL 201610793574.8); the auxiliary power system comprises an auxiliary inverter, a filter, a transformer, a power supply, a charger, a storage battery and the like; the traction power system and the auxiliary power system are interactively communicated through a direct current bus.
With the continuous promotion of low carbon, energy-saving and environmental protection concepts, the railway motor train unit also starts to implement a hybrid power driving mode and gradually replaces pure diesel engine driving. By introducing the power battery and the motor driving system, the motor train unit can be driven by oil and electricity independently or in a mixed way, and the control of the diesel engine is met
The hybrid system applied in the field of rail transit in China at present is developed based on an internal combustion electric power system, is similar to series hybrid in an automobile, generates power through a diesel generator set, and drives wheels to rotate through a motor after rectification and inversion.
The hybrid system comprises a power battery system, a traction power system and an auxiliary power system; the power battery system comprises a power battery, a power battery control system and a power battery thermal management system; the traction power system comprises a diesel engine, a generator, a rectifier, a traction inverter, a traction motor, a gear box, a wheel pair, a cooling system, an electric control system and the like, wherein the diesel engine, the generator, the cooling system, the electric control system and the like are integrated with an internal combustion electric transmission power pack; the auxiliary power system comprises an auxiliary inverter, a filter, a transformer, a power supply, a charger, a storage battery and the like; the power battery system, the traction power system and the auxiliary power system are interactively communicated through a direct current bus.
The hybrid system has the advantages of pure electric transmission system, simple principle and easy realization. The defects are complex system, high cost and great maintenance difficulty.
Therefore, a brand new hybrid system needs to be researched, the traditional hydraulic transmission power system and the traditional electric transmission power system are combined, the hydraulic transmission power system is sucked, the hybrid system has the advantages of high efficiency, low cost and easiness in maintenance, and meanwhile hybrid power is formed with the power battery system, and the hybrid system is similar to hybrid drive in an automobile.
At present, a hybrid system in the field of automobiles is developed more perfectly, but because the weight of an automobile is light, the required traction power is small, and the power of an engine and the power of a motor are also small, the hybrid system of the automobile integrates the motor, a hybrid mechanism and a gearbox into a whole. The railway motor train unit has heavy weight, the required traction power is greatly different from that of the automobile, so that an integral structure of the automobile cannot be adopted, and the hybrid box is separately designed and arranged among the diesel engine, the motor and the gearbox, so that the hybrid function is realized.
Disclosure of Invention
The invention provides a hybrid power motor train unit power system which is researched and designed aiming at the problems. The technical means adopted by the invention are as follows:
a hybrid electric multiple unit power system comprises: a power battery system, a traction power system and an auxiliary power system;
the power battery system comprises a power battery, a power battery control system and a power battery thermal management system;
the traction power system comprises a diesel engine, a motor, a traction inverter, a hybrid box, a clutch, a gearbox, a universal shaft, a gear box, a wheel pair, a cooling system, an electric control system and the like;
the auxiliary power system comprises an auxiliary inverter, a filter, a transformer, a power supply, a charger, a storage battery and the like;
the power battery system, the traction power system and the auxiliary power system are communicated with each other through a direct current bus.
Further, the mixing box comprises: a box body, a differential planetary gear set, an external gear set, a first clutch, a second clutch, a lubricating system and an electric control system,
the differential planetary gear set comprises a sun gear, a plurality of planetary gears, an inner gear ring and a planetary carrier, the planetary gears are fixed through the planetary carrier, the planetary gears are meshed between the sun gear and the inner gear ring, gear teeth are arranged on the inner side wall and the outer side wall of the inner gear ring, a first clutch is connected with the planetary carrier through a fifth connecting shaft, the first clutch is connected with a diesel engine through a first connecting shaft, a second clutch is connected between the planetary carrier and the inner gear ring, and the inner gear ring is connected with a transmission through a second connecting shaft;
the external gear set comprises a first external gear, a second external gear and a third external gear, the first external gear is connected with the sun gear through a floating gear coupler, the sun gear is sleeved on the fifth connecting shaft, the second external gear is meshed with the first external gear, the third external gear is meshed with the outer gear of the inner gear ring, the second external gear is connected with the first motor through a third connecting shaft, the third external gear is connected with the second motor through a fourth connecting shaft, the first motor is controlled by the first converter, and the second motor is controlled by the second converter.
Further, the hybrid electric multiple unit system comprises the following working modes: start diesel engine, pure diesel engine drive mode, series-parallel connection drive mode, pure electric drive mode, parallelly connected hybrid drive mode, wherein:
starting the diesel engine: when the motor train unit is started, the first clutch and the second clutch are both in a combined state, the planetary gear set forms a whole, and the first converter and the second converter have two combined modes:
the first method comprises the following steps: the first converter is in a no-load state, the second converter is in an electric state, the first motor does not work, the second motor passes through a third external gear, an inner gear ring, a planet wheel and a planet carrier, and a diesel engine is started;
and the second method comprises the following steps: the first converter is in an electric state, the second converter is in an idle state, the second motor does not work, and the first motor starts the diesel engine through a second external meshing gear, a first external meshing gear, a sun gear, a planet gear and a planet carrier;
pure diesel drive mode: when the motor train unit runs in the mode, the first clutch and the second clutch are both in a combined state, the planetary gear set forms a whole, the first converter and the second converter are both in an idle load state, the first motor and the second motor do not work, and the diesel engine directly drives the gearbox through the first clutch and the second clutch;
a series-parallel driving mode: when the motor train unit operates in the mode, the first clutch is combined, the second clutch is disconnected, and the first converter and the second converter have four combination modes, so that the rotating speed decoupling between the diesel engine and the first motor and the torque decoupling between the diesel engine and the second motor can be realized:
the first method comprises the following steps: the first converter and the second converter are both in an electric state, the diesel engine drives a planet carrier through the first clutch, the first motor drives a sun gear through a second external meshing gear and a first external meshing gear, the first motor and the second motor are jointly output by an inner gear ring through a planetary gear set, the second motor and the third external meshing gear directly drive the inner gear ring, and the three drive a gearbox together;
and the second method comprises the following steps: the first converter is in an electric state, the second converter is in a charging state, the diesel engine drives a planet carrier through the first clutch, the first motor drives a sun gear through a second external meshing gear and a first external meshing gear, the first motor and the second motor are jointly output through an inner gear ring through a planetary gear set, a transmission case is jointly driven, and meanwhile the inner gear ring drives the second motor to generate electricity through a third external meshing gear;
and the third is that: the first converter is in a charging state, the second converter is in an electric state, the diesel engine drives the planet carrier through the first clutch and is output by the inner gear ring through the planetary gear set, the second motor directly drives the inner gear ring through the third outer gear, the two motors drive the gearbox together, and the diesel engine drives the first motor to generate electricity through the planet carrier, the planet gear, the sun gear, the first outer gear and the second outer gear;
and fourthly: the first converter and the second converter are both in a charging state, the diesel engine drives a planet carrier through the first clutch and drives a gearbox through the output of an inner gear ring of a planetary gear set, and simultaneously the diesel engine drives a first motor to generate power through the planet carrier, a planet gear, a sun gear, a first external gear and a second external gear and drives a second motor to generate power through the planet carrier, the planet gear, the inner gear ring and a third external gear;
pure electric drive mode: when the motor train unit operates in the mode, the first clutch is disconnected, the second clutch is combined, the planetary gear set forms a whole, and the first converter and the second converter have three combination modes:
the first method comprises the following steps: the first converter and the second converter are both in an electric state, the first motor drives the inner gear ring through a second external gear, a first external gear, a sun wheel and a planet wheel, the second motor drives the inner gear ring through a third external gear, and the first motor and the second motor drive the gearbox together;
and the second method comprises the following steps: the first converter is in an electric state, the second converter is in an idle state, the second motor does not work, and the first motor drives the gearbox through a second external meshing gear, a first external meshing gear, a sun gear, a planet gear and an inner gear ring;
and the third is that: the first converter is in a no-load state, the second converter is in an electric state, the first motor does not work, and the second motor passes through a third external gear and an inner gear ring to drive a gearbox;
parallel hybrid drive mode: when the motor train unit operates in the mode, the first clutch and the second clutch are in a combined state, the planetary gear set forms a whole, and the first converter and the second converter have four combination modes:
the first method comprises the following steps: the first converter and the second converter are both in an electric state, the diesel engine directly drives the gearbox through the first clutch and the second clutch, the first motor drives the gearbox through a second external meshing gear, a first external meshing gear, a sun gear, a planet gear and an inner gear ring, and the second motor drives the gearbox through a third external meshing gear and the inner gear ring, so that the gearbox is driven by the diesel engine, the first motor and the second motor together;
and the second method comprises the following steps: the first converter and the second converter are both in a charging state, the diesel engine directly drives the gearbox through the first clutch and the second clutch, meanwhile, the diesel engine drives the first motor to generate electricity through the planet carrier, the planet wheel, the sun wheel, the first external gear and the second external gear, and drives the second motor to generate electricity through the planet carrier, the planet wheel, the inner gear ring and the third external gear;
and the third is that: the first converter is in a power generation state, the second converter is in an idle state, the second motor does not work, the diesel engine directly drives the gearbox through the first clutch and the second clutch, and meanwhile the diesel engine drives the first motor to generate power through the planet carrier, the planet wheel, the sun wheel, the first external gear and the second external gear;
and fourthly: the first converter is in an idle load state, the second converter is in a power generation state, the first motor does not work, the diesel engine directly drives the gearbox through the first clutch and the second clutch, and meanwhile the diesel engine drives the second motor to generate power through the planet carrier, the planet wheel, the inner gear ring and the third external gear.
Further, the hybrid electric multiple unit power system further comprises an electric braking energy recovery mode: when the motor train unit operates in the mode, the first clutch is in a disconnected state, the second clutch is in an engaged state, the planetary gear set is integrated, and the converter has three engaged states:
the first method comprises the following steps: the first converter and the second converter are both in a power generation state, a vehicle is braked to drive the first motor to generate power through the gearbox, the inner gear ring, the planet wheel, the sun wheel, the first external gear and the second external gear, and simultaneously drive the second motor to generate power through the gearbox, the inner gear ring and the third external gear;
and the second method comprises the following steps: the first converter is in a power generation state, the second converter is in an idle state, the second motor does not work, and the first motor is driven by a vehicle brake through a gearbox, an inner gear ring, a planet wheel, a sun wheel, a first external meshing gear and a second external meshing gear to generate power;
and the third is that: the first converter is in an idle state, the second converter is in a power generation state, the first motor does not work, and the vehicle brake drives the second motor to generate power through the gearbox, the inner gear ring and the third external gear.
Further, the hybrid electric multiple unit power system further comprises a parking charging mode: when the motor train unit is in the mode, the first clutch and the second clutch are both in a closed state, the gearbox is in a disconnected state, the planetary gear set is in a whole, the diesel engine directly drives the planet carrier to drive the gear set to move, and the first converter and the second converter have three different combination modes:
the first method comprises the following steps: the first converter and the second converter are both in a power generation state, the diesel engine drives the first motor to generate power through the planet carrier, the planet wheel, the sun wheel, the first external gear and the second external gear, and drives the second motor to generate power through the planet carrier, the planet wheel, the inner gear ring and the third external gear;
and the second method comprises the following steps: the first converter is in a power generation state, the second converter is in an idle state, the second motor does not work, and the first motor is driven by the diesel engine to generate power through a planet carrier, a planet wheel, a sun wheel, a first external gear and a second external gear;
and the third is that: the first converter is in an idle load state, the second converter is in a power generation state, the first motor does not work, and the diesel engine drives the second motor to generate power through the planet carrier, the planet gear, the inner gear ring and the third external gear.
Further, a control system in the power battery system is communicated with an electric control system in the traction power system to control charging and discharging of the power battery; the heat management system in the power battery system ensures the working temperature of the power battery, and the power battery system integrates the power battery pack to be hung under the motor train unit or mounted on the top of the motor train unit.
Furthermore, the auxiliary power system is powered by a power battery system or a traction power system, and forms a single-phase power supply and a three-phase power supply through an auxiliary inverter, a filter, a transformer and the like to supply power for auxiliary equipment such as an air conditioner, an air compressor, a storage battery and the like of the motor train unit; the power system of the motor train unit preferentially meets the lowest power supply requirement of the auxiliary equipment; the auxiliary power system is hung under the motor train unit or is arranged on the top of the motor train unit.
Furthermore, the traction power system controls the diesel engine, the motor, the traction inverter, the hybrid box, the clutch and the gearbox through an electric control system to realize the oil-electricity single or hybrid driving of the motor train unit, the diesel engine, the motor, the traction inverter, the hybrid box, the clutch, the gearbox, the cooling system and the electric control system in the traction power system are integrated into a hybrid power pack which is suspended under the motor train unit, and the hybrid power pack outputs a gear box and a wheel pair which are arranged in a bogie of the motor train unit through a universal shaft in a driving mode.
Further, the motor is a permanent magnet synchronous motor, and is controlled by an electric control system to serve as a motor to drive the motor train unit or serve as a generator to charge a power battery; the clutch is an electromagnetic dry clutch, and the connection and disconnection of the diesel engine, the motor and the gearbox are controlled by an electric control system; the gearbox is a hydraulic mechanical gearbox and consists of a torque converter, a planetary gear and a wet clutch, the torque converter can be locked, and the motor train unit can be charged for a power battery by a reverse-dragging motor during braking.
Furthermore, cooling system comprises air-air intercooler, high low temperature water radiator, cooling fan, fan driving motor and motor drive etc. satisfies diesel engine, motor, draws the inverter, thoughtlessly moves case and gearbox cooling heat transfer demand, and the control by temperature change automatically regulated can be realized to fan rotational speed.
Compared with the prior art, the power system of the hybrid power motor train unit successfully introduces the power battery system, the residual energy of the diesel engine and the braking energy of the motor train unit are used for charging the power battery, and the motor train unit is preferentially driven by pure electricity; the hybrid power pack integrated by a diesel engine, a motor (generator/motor), a traction inverter, a hybrid box, a clutch, a gearbox, a cooling system and an electric control system realizes the oil-electricity single or hybrid driving of a motor train unit, and realizes the aim of controlling the rotating speed of the diesel engine to operate in a low-oil consumption and low-emission region during the oil-electricity hybrid driving through the design of the hybrid box and the control of the clutch; and meanwhile, a power battery is preferentially adopted to supply power for the auxiliary power system. The motor train unit pure oil, pure electricity and oil-electricity hybrid driving is met, the residual energy of the diesel engine and the braking energy of the motor train unit are used for charging the battery, and the purposes of high efficiency, energy conservation, greenness, low carbon and environmental protection are achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a hybrid electric multiple unit power system disclosed by the invention;
FIG. 2 is a schematic structural diagram of a hybrid power box of a power system of a hybrid electric multiple unit disclosed by the invention;
in the figure: 1. the hybrid power transmission comprises a diesel engine, 2, a gearbox, 3, a first motor, 4, a second motor, 5, a first connecting shaft, 6, a second connecting shaft, 7, a third connecting shaft, 8, a fourth connecting shaft, 9, a first clutch, 10, a second clutch, 11, an inner gear ring, 12, a planet wheel, 13, a sun wheel, 14, a first external gear, 15, a third external gear, 16, a second external gear, 17, a planet carrier, 18, a hybrid box, 19, a fifth connecting shaft, 20, a first converter, 21, a second converter, 22 and a floating gear coupler.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The embodiment provides a power system of a hybrid electric multiple unit, which comprises a power battery system, a traction power system and an auxiliary power system, as shown in fig. 1; the power battery system comprises a power battery, a power battery control system and a power battery thermal management system; the traction power system comprises a diesel engine, a motor, a traction inverter, a hybrid box, a clutch, a gearbox, a universal shaft, a gear box, a wheel pair, a cooling system, an electric control system and the like; the auxiliary power system comprises an auxiliary inverter, a filter, a transformer, a power supply, a charger, a storage battery and the like; and the power battery system, the traction power system and the auxiliary power system are in interactive communication through a direct current bus.
In the present embodiment, as shown in fig. 2, the mixing box includes: a box body, a differential planetary gear set, an external gear set, a first clutch, a second clutch, a lubricating system and an electric control system,
the differential planetary gear set comprises a sun gear 13, a plurality of planet gears 12, an inner gear ring 11 and a planet carrier 17, the planet gears 12 are fixed through the planet carrier 17, the planet gears 12 are meshed between the sun gear 13 and the inner gear ring 11, gear teeth are arranged on the inner side wall and the outer side wall of the inner gear ring 11, a first clutch 9 is connected with the planet carrier 17 through a fifth connecting shaft 19, the first clutch 9 is connected with the diesel engine 1 through a first connecting shaft 5, two connecting shafts of a second clutch 10 are respectively connected to the planet carrier 17 and the inner gear ring 11, and the inner gear ring 11 is connected with the transmission 2 through a second connecting shaft 6;
the external gear set comprises a first external gear 14, a second external gear 16 and a third external gear 15, the first external gear 14 is connected with a sun gear 13 through a floating gear coupler 22, the sun gear 13 is sleeved on a fifth connecting shaft 19, the second external gear 16 is meshed with the first external gear 14, the third external gear 15 is meshed with outer gear teeth of an inner gear ring 11, the second external gear 16 is connected with a first motor 3 through a third connecting shaft 7, the third external gear 15 is connected with a second motor 4 through a fourth connecting shaft 8, the first motor 3 is controlled by a first converter 20, and the second motor 4 is controlled by a second converter 21. For convenience of explanation of the control relationship of the hybrid box, the clutches are shown in the hybrid box, and in actual cases, the clutches are connected with the planet carrier and the inner gear ring inside the hybrid box outside the hybrid box.
In this embodiment, the hybrid electric multiple unit power system has the following operating modes: start diesel engine, pure diesel engine drive mode, series-parallel connection drive mode, pure electric drive mode, parallelly connected hybrid drive mode, wherein:
starting the diesel engine: when the motor train unit is started, the first clutch and the second clutch are both in a combined state, the planetary gear set forms a whole, and the first converter and the second converter have two combined modes:
the first method comprises the following steps: the first converter is in a no-load state, the second converter is in an electric state, the first motor does not work, the second motor passes through a third external gear, an inner gear ring, a planet wheel and a planet carrier, and a diesel engine is started;
and the second method comprises the following steps: the first converter is in an electric state, the second converter is in an idle state, the second motor does not work, and the first motor starts the diesel engine through a second external meshing gear, a first external meshing gear, a sun gear, a planet gear and a planet carrier;
pure diesel drive mode: when the motor train unit runs in the mode, the first clutch and the second clutch are both in a combined state, the planetary gear set forms a whole, the first converter and the second converter are both in an idle load state, the first motor and the second motor do not work, and the diesel engine directly drives the gearbox through the first clutch and the second clutch;
a series-parallel driving mode: when the motor train unit operates in the mode, the first clutch is combined, the second clutch is disconnected, and the first converter and the second converter have four combination modes, so that the rotating speed decoupling between the diesel engine and the first motor and the torque decoupling between the diesel engine and the second motor can be realized:
the first method comprises the following steps: the first converter and the second converter are both in an electric state, the diesel engine drives a planet carrier through the first clutch, the first motor drives a sun gear through a second external meshing gear and a first external meshing gear, the first motor and the second motor are jointly output by an inner gear ring through a planetary gear set, the second motor and the third external meshing gear directly drive the inner gear ring, and the three drive a gearbox together;
and the second method comprises the following steps: the first converter is in an electric state, the second converter is in a charging state, the diesel engine drives a planet carrier through the first clutch, the first motor drives a sun gear through a second external meshing gear and a first external meshing gear, the first motor and the second motor are jointly output through an inner gear ring through a planetary gear set, a transmission case is jointly driven, and meanwhile the inner gear ring drives the second motor to generate electricity through a third external meshing gear;
and the third is that: the first converter is in a charging state, the second converter is in an electric state, the diesel engine drives the planet carrier through the first clutch and is output by the inner gear ring through the planetary gear set, the second motor directly drives the inner gear ring through the third outer gear, the two motors drive the gearbox together, and the diesel engine drives the first motor to generate electricity through the planet carrier, the planet gear, the sun gear, the first outer gear and the second outer gear;
and fourthly: the first converter and the second converter are both in a charging state, the diesel engine drives a planet carrier through the first clutch and drives a gearbox through the output of an inner gear ring of a planetary gear set, and simultaneously the diesel engine drives a first motor to generate power through the planet carrier, a planet gear, a sun gear, a first external gear and a second external gear and drives a second motor to generate power through the planet carrier, the planet gear, the inner gear ring and a third external gear;
pure electric drive mode: when the motor train unit operates in the mode, the first clutch is disconnected, the second clutch is combined, the planetary gear set forms a whole, and the first converter and the second converter have three combination modes:
the first method comprises the following steps: the first converter and the second converter are both in an electric state, the first motor drives the inner gear ring through a second external gear, a first external gear, a sun wheel and a planet wheel, the second motor drives the inner gear ring through a third external gear, and the first motor and the second motor drive the gearbox together;
and the second method comprises the following steps: the first converter is in an electric state, the second converter is in an idle state, the second motor does not work, and the first motor drives the gearbox through a second external meshing gear, a first external meshing gear, a sun gear, a planet gear and an inner gear ring;
and the third is that: the first converter is in a no-load state, the second converter is in an electric state, the first motor does not work, and the second motor passes through a third external gear and an inner gear ring to drive a gearbox;
parallel hybrid drive mode: when the motor train unit operates in the mode, the first clutch and the second clutch are in a combined state, the planetary gear set forms a whole, and the first converter and the second converter have four combination modes:
the first method comprises the following steps: the first converter and the second converter are both in an electric state, the diesel engine directly drives the gearbox through the first clutch and the second clutch, the first motor drives the gearbox through a second external meshing gear, a first external meshing gear, a sun gear, a planet gear and an inner gear ring, and the second motor drives the gearbox through a third external meshing gear and the inner gear ring, so that the gearbox is driven by the diesel engine, the first motor and the second motor together;
and the second method comprises the following steps: the first converter and the second converter are both in a charging state, the diesel engine directly drives the gearbox through the first clutch and the second clutch, meanwhile, the diesel engine drives the first motor to generate electricity through the planet carrier, the planet wheel, the sun wheel, the first external gear and the second external gear, and drives the second motor to generate electricity through the planet carrier, the planet wheel, the inner gear ring and the third external gear;
and the third is that: the first converter is in a power generation state, the second converter is in an idle state, the second motor does not work, the diesel engine directly drives the gearbox through the first clutch and the second clutch, and meanwhile the diesel engine drives the first motor to generate power through the planet carrier, the planet wheel, the sun wheel, the first external gear and the second external gear;
and fourthly: the first converter is in an idle load state, the second converter is in a power generation state, the first motor does not work, the diesel engine directly drives the gearbox through the first clutch and the second clutch, and meanwhile the diesel engine drives the second motor to generate power through the planet carrier, the planet wheel, the inner gear ring and the third external gear.
In this embodiment, the hybrid electric multiple unit power system further includes an electric braking energy recovery mode: when the motor train unit operates in the mode, the first clutch is in a disconnected state, the second clutch is in a combined state, the planetary gear set is integrated, and the converter has three combined states:
the first method comprises the following steps: the first converter and the second converter are both in a power generation state, a vehicle is braked to drive the first motor to generate power through the gearbox, the inner gear ring, the planet wheel, the sun wheel, the first external gear and the second external gear, and simultaneously drive the second motor to generate power through the gearbox, the inner gear ring and the third external gear;
and the second method comprises the following steps: the first converter is in a power generation state, the second converter is in an idle state, the second motor does not work, and the first motor is driven by a vehicle brake through a gearbox, an inner gear ring, a planet wheel, a sun wheel, a first external meshing gear and a second external meshing gear to generate power;
and the third is that: the first converter is in an idle state, the second converter is in a power generation state, the first motor does not work, and the vehicle brake drives the second motor to generate power through the gearbox, the inner gear ring and the third external gear.
In this embodiment, the hybrid electric multiple unit power system further includes a parking charging mode: when the locomotive group is in the mode, the first clutch and the second clutch are both in a closed state, the gearbox is in an open state, the planetary gear set is in a whole, the diesel engine directly drives the planet carrier to drive the gear set to move, and the first converter and the second converter have three different combination modes:
the first method comprises the following steps: the first converter and the second converter are both in a power generation state, the diesel engine drives the first motor to generate power through the planet carrier, the planet wheel, the sun wheel, the first external gear and the second external gear, and drives the second motor to generate power through the planet carrier, the planet wheel, the inner gear ring and the third external gear;
and the second method comprises the following steps: the first converter is in a power generation state, the second converter is in an idle state, the second motor does not work, and the first motor is driven by the diesel engine to generate power through a planet carrier, a planet wheel, a sun wheel, a first external gear and a second external gear;
and the third is that: the first converter is in an idle load state, the second converter is in a power generation state, the first motor does not work, and the diesel engine drives the second motor to generate power through the planet carrier, the planet gear, the inner gear ring and the third external gear.
In the embodiment, a control system in the power battery system is communicated with an electric control system in the traction power system to control charging and discharging of the power battery; the heat management system in the power battery system guarantees the working temperature of the power battery, and the power battery system integrates the power battery pack to be hung under the motor train unit or mounted on the top of the motor train unit.
In the embodiment, the auxiliary power system is powered by a power battery system or a traction power system, and forms a single-phase power supply and a three-phase power supply through an auxiliary inverter, a filter, a transformer and the like to supply power to auxiliary equipment such as an air conditioner, an air compressor, a storage battery and the like of the motor train unit; the power system of the motor train unit preferentially meets the lowest power supply requirement of the auxiliary equipment; the auxiliary power system is hung under the motor train unit or is arranged on the top of the motor train unit.
In this embodiment, the traction power system controls the diesel engine, the motor, the traction inverter, the hybrid box, the clutch and the gearbox through the electric control system to realize the oil-electricity single or hybrid driving of the motor train unit, the diesel engine, the motor, the traction inverter, the hybrid box, the clutch, the gearbox, the cooling system and the electric control system in the traction power system integrate the hybrid power pack to be suspended under the motor train unit, and the hybrid power pack outputs the gear box and the wheel pair which are installed in a bogie of the motor train unit through the universal shaft.
In the embodiment, the motor is a permanent magnet synchronous motor, and is controlled by an electric control system to serve as a motor to drive a motor train unit or serve as a generator to charge a power battery; the clutch is an electromagnetic dry clutch, and the connection and disconnection of the diesel engine, the motor and the gearbox are controlled by an electric control system; the gearbox is a hydraulic mechanical gearbox and consists of a torque converter, a planetary gear and a wet clutch, the torque converter can be locked, and the motor train unit can be charged for a power battery by a reverse-dragging motor during braking.
In this embodiment, cooling system comprises air-air intercooler, high low temperature water radiator, cooling fan, fan driving motor and motor drive etc. satisfies diesel engine, motor, pulls the inverter, thoughtlessly moves case and gearbox cooling heat transfer demand, and the control by temperature change automatically regulated can be realized to fan rotational speed.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111174321.XA CN113859271A (en) | 2021-10-08 | 2021-10-08 | Hybrid EMU Power System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111174321.XA CN113859271A (en) | 2021-10-08 | 2021-10-08 | Hybrid EMU Power System |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113859271A true CN113859271A (en) | 2021-12-31 |
Family
ID=79001974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111174321.XA Pending CN113859271A (en) | 2021-10-08 | 2021-10-08 | Hybrid EMU Power System |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113859271A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114475671A (en) * | 2022-02-24 | 2022-05-13 | 中车大连机车研究所有限公司 | A hybrid power integration system for an EMU |
| CN114620077A (en) * | 2022-03-15 | 2022-06-14 | 中车永济电机有限公司 | Hybrid power transmission power pack applied to railway track vehicle and operation vehicle |
| CN114715117A (en) * | 2022-03-28 | 2022-07-08 | 中车大连机车研究所有限公司 | A hybrid power pack electrical control system for rail transit equipment |
| CN116353640A (en) * | 2023-04-21 | 2023-06-30 | 中车大连机车研究所有限公司 | Power module for railway diesel electric locomotive and use method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2936821Y (en) * | 2006-08-29 | 2007-08-22 | 比亚迪股份有限公司 | Mixed power drive system |
| CN101274594A (en) * | 2007-03-30 | 2008-10-01 | 南车成都机车车辆有限公司 | Hybrid power system for track |
| CN101519035A (en) * | 2008-12-31 | 2009-09-02 | 南京汽车集团有限公司 | Mixed power electromechanical coupling power transmission device |
| CN102107604A (en) * | 2009-12-25 | 2011-06-29 | 比亚迪股份有限公司 | Hybrid driving system for automobile and gear operating method thereof |
| CN109130819A (en) * | 2017-06-28 | 2019-01-04 | 天厦精控（厦门）科技有限公司 | A kind of double-motor hybrid coupler and its working method |
| CN110385977A (en) * | 2019-07-15 | 2019-10-29 | 山东大学 | A kind of double planet wheel rows of mixing bimodulus mixed power automobile driving system configuration and automobile |
| CN209904516U (en) * | 2019-03-18 | 2020-01-07 | 西安法士特汽车传动有限公司 | Hybrid power system for vehicle for realizing multi-power source coupling |
| CN113002287A (en) * | 2021-03-01 | 2021-06-22 | 凯博易控车辆科技(苏州)股份有限公司 | Single-planet-row hybrid driving system and control method thereof |
-
2021
- 2021-10-08 CN CN202111174321.XA patent/CN113859271A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2936821Y (en) * | 2006-08-29 | 2007-08-22 | 比亚迪股份有限公司 | Mixed power drive system |
| CN101274594A (en) * | 2007-03-30 | 2008-10-01 | 南车成都机车车辆有限公司 | Hybrid power system for track |
| CN101519035A (en) * | 2008-12-31 | 2009-09-02 | 南京汽车集团有限公司 | Mixed power electromechanical coupling power transmission device |
| CN102107604A (en) * | 2009-12-25 | 2011-06-29 | 比亚迪股份有限公司 | Hybrid driving system for automobile and gear operating method thereof |
| CN109130819A (en) * | 2017-06-28 | 2019-01-04 | 天厦精控（厦门）科技有限公司 | A kind of double-motor hybrid coupler and its working method |
| CN209904516U (en) * | 2019-03-18 | 2020-01-07 | 西安法士特汽车传动有限公司 | Hybrid power system for vehicle for realizing multi-power source coupling |
| CN110385977A (en) * | 2019-07-15 | 2019-10-29 | 山东大学 | A kind of double planet wheel rows of mixing bimodulus mixed power automobile driving system configuration and automobile |
| CN113002287A (en) * | 2021-03-01 | 2021-06-22 | 凯博易控车辆科技(苏州)股份有限公司 | Single-planet-row hybrid driving system and control method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114475671A (en) * | 2022-02-24 | 2022-05-13 | 中车大连机车研究所有限公司 | A hybrid power integration system for an EMU |
| WO2023159932A1 (en) * | 2022-02-24 | 2023-08-31 | 中车大连机车研究所有限公司 | Hybrid power integrated system of multi-unit train |
| CN114620077A (en) * | 2022-03-15 | 2022-06-14 | 中车永济电机有限公司 | Hybrid power transmission power pack applied to railway track vehicle and operation vehicle |
| CN114715117A (en) * | 2022-03-28 | 2022-07-08 | 中车大连机车研究所有限公司 | A hybrid power pack electrical control system for rail transit equipment |
| CN116353640A (en) * | 2023-04-21 | 2023-06-30 | 中车大连机车研究所有限公司 | Power module for railway diesel electric locomotive and use method |
| CN116353640B (en) * | 2023-04-21 | 2025-04-15 | 中车大连机车研究所有限公司 | A power module for railway diesel-electric locomotive and use method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113859271A (en) | Hybrid EMU Power System | |
| CN104648115B (en) | Two gear variable speed drive systems of the plug-in hybrid-power automobile of integrated form list motor | |
| CN1311999C (en) | Parallel connection mixed power driving system and its driving method | |
| CN100595085C (en) | Plug-in integrated starter-generator hybrid car drive system | |
| CN110103698A (en) | A kind of hybrid power system and working method of electric machine built-in double clutch | |
| CN201753013U (en) | Hybrid power drive system and vehicle comprising same | |
| CN201893650U (en) | Power continuously variable transmission with three-gear transmission function | |
| CN207077999U (en) | A kind of double-motor hybrid coupler | |
| CN107599819B (en) | Power transmission system of plug-in hybrid power special-purpose automobile | |
| CN105667295A (en) | Integrated two-gear hybrid electric vehicle driving system with double-rotor motor | |
| CN105291812A (en) | Integrated type hybrid power automobile power-driven system with double clutch and birotor motor | |
| CN110949111B (en) | Double-rotor motor and Ravigneaux planetary gear train serial-connection type automobile hybrid power system | |
| CN102837592B (en) | Hybrid Vehicle electronic stepless speed regulation system | |
| CN203093719U (en) | Hybrid power driving system | |
| CN110539627A (en) | A vehicle hybrid transmission system | |
| CN221049495U (en) | Multi-motor coupling electric drive control system for vehicle | |
| CN102848897A (en) | Electronic stepless speed regulating system for hybrid electric vehicle | |
| CN113958668A (en) | Three-mode hybrid power stepless speed change device for tracked vehicle | |
| CN211364248U (en) | Hybrid transmission and hybrid drive system | |
| CN111890912A (en) | A multi-motor hybrid transmission system | |
| CN202935147U (en) | Hybrid bus drive device | |
| CN107757334B (en) | Hybrid power system | |
| CN216580095U (en) | A hybrid power system and a vehicle having the same | |
| CN115973201A (en) | Hybrid power transmission system and hybrid power rail engineering vehicle | |
| CN116141950A (en) | Hybrid systems and vehicles |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211231 |
|
| RJ01 | Rejection of invention patent application after publication |