CN105790542B - A kind of electromagnetic retarder with energy recovery function - Google Patents

A kind of electromagnetic retarder with energy recovery function Download PDF

Info

Publication number
CN105790542B
CN105790542B CN201610179173.3A CN201610179173A CN105790542B CN 105790542 B CN105790542 B CN 105790542B CN 201610179173 A CN201610179173 A CN 201610179173A CN 105790542 B CN105790542 B CN 105790542B
Authority
CN
China
Prior art keywords
rotor
power generation
stator
liquid cooling
armature
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.)
Active
Application number
CN201610179173.3A
Other languages
Chinese (zh)
Other versions
CN105790542A (en
Inventor
谭罡风
刘子昂
李嘉伟
戢杨杰
周永池
王家琪
徐樱笑
左亚亭
过学迅
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.)
Wuhan University of Technology WUT
Original Assignee
Wuhan University of Technology WUT
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhan University of Technology WUT filed Critical Wuhan University of Technology WUT
Priority to CN201610179173.3A priority Critical patent/CN105790542B/en
Publication of CN105790542A publication Critical patent/CN105790542A/en
Application granted granted Critical
Publication of CN105790542B publication Critical patent/CN105790542B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K49/00Dynamo-electric clutches; Dynamo-electric brakes
    • H02K49/02Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type
    • H02K49/04Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type of the eddy-current hysteresis type
    • H02K49/043Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type of the eddy-current hysteresis type with a radial airgap
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12Stationary parts of the magnetic circuit
    • H02K1/20Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P15/00Arrangements for controlling dynamo-electric brakes or clutches

Abstract

The invention discloses a kind of electromagnetic retarder with energy recovery function, including stator, rotor, electric power electronic module and transmission shaft, electric power electronic module is connect by reversal valve with rotor, it is characterised in that:The rotor is placed in stator, and there are gaps between stator;The stator includes stator support, power generation armature, liquid cooling isolation module and the cylinder for carrying current vortex, and stator support passes through bearing and transmission axis connection;Liquid cooling isolation module is placed between power generation armature and cylinder;The power generation armature includes power generation armature winding and power generation armature core, and power generation armature is connect with stator support;The rotor includes rotor field spider, Exciting Windings for Transverse Differential Protection and field core, the rotor field spider and transmission axis connection, and the rotor field spider is connect with Exciting Windings for Transverse Differential Protection.The configuration of the present invention is simple, small, stopping power is strong.

Description

A kind of electromagnetic retarder with energy recovery function
Technical field
The present invention relates to car deceleration device fields, and in particular to a kind of electromagnetic retarder with energy recovery function.
Background technology
Automobile retarder be by control circuit to field frame assembly Exciting Windings for Transverse Differential Protection be powered, generate magnetic field, rotor assembly with System of vehicle transmission part high speed rotation, cutting magnetic line generate opposing torque, make vehicle deceleration.It is domestic at present most popular Automobile retarder is current vortex retarder.Traditional current vortex retarder mostly uses greatly the structure of 2 rotors, 1 stator, will fill It sets and is divided into three parts, all there are certain air gaps between stator and rotor.The preceding rotor and rear rotor of current vortex retarder It is connect with main reducing gear input flange by transition disc, stator case is fixed by the bracket on final drive casing, is filled on stator There is Exciting Windings for Transverse Differential Protection.Electric current is passed through by automobile storage battery when work and generates magnetic field, causes current vortex, eddy current magnetism pair in the rotor Rotor generates braking moment, to make automobile brake.This apparatus structure is complicated, and volume is larger, and excitation power consumption is big, continues Heat fading is serious when braking.
Self-excitation type electric vortex buffering is one kind in automobile retarder, is increased on the basis of traditional current vortex retarder Self-generating system can convert partial brake energy to electric energy for itself excitation needs, have the advantages that it is energy saving, but Its structure is more complicated, the more traditional current vortex retarder bigger of volume.
Regenerative braking retarder is also one kind in automobile retarder, it is by the principle of electromagnetism by the kinetic energy of automobile It is converted into recyclable electric energy, thermal losses is small, energy conservation and environmental protection, but its braking moment very little, generally requires multiple engines Retarder realizes braking function in parallel or in series, thus volume is big, and braking effect is less desirable, is not suitable for heavy vapour Vehicle.
Invention content
The purpose of the present invention is to provide a kind of simple in structure, small, stopping power it is strong there is energy recovery function Electromagnetic retarder.
The technical solution adopted by the present invention is:A kind of electromagnetic retarder with energy recovery function, including stator, turn Son, electric power electronic module and transmission shaft, the rotor is placed in stator, and there are gaps between stator;
The stator includes stator support, power generation armature, liquid cooling isolation module and the cylinder for carrying current vortex, the stator Holder passes through bearing and transmission axis connection;The liquid cooling isolation module is placed between power generation armature and cylinder, for the electricity that will generate electricity The cylinder of pivot and carrying current vortex is kept apart;The power generation armature is connect with stator support;
The power generation armature includes power generation armature winding and power generation armature core, and generate electricity armature winding and electric power electronic module Connection;
The rotor includes rotor field spider, Exciting Windings for Transverse Differential Protection and field core, and Exciting Windings for Transverse Differential Protection is wrapped on field core, can be with For salient pole type, or hidden pole type;The Exciting Windings for Transverse Differential Protection is connect by reversal valve with electric power electronic module, to realize electric energy certainly It encourages;The rotor field spider and transmission axis connection, and the rotor field spider is connect with field core.
Further scheme is that the gap is 0.5-1.5mm.
Further scheme is, the liquid cooling isolation module includes liquid cooling isolation water channel, the liquid cooling isolation water channel with Cooling water pipe of engine connects or the condensate pipe of liquid cooling isolation water channel and cooling device connects.
When work, electric power electronic module is powered to the Exciting Windings for Transverse Differential Protection of rotor, and magnetic field is generated in rotor, and magnetic field passes through relatively thin Gap (air gap layer), into the cylinder of carrying current vortex, due to the rotation of rotor, the magnetic field carried in the cylinder of current vortex is Current vortex is generated in alternating magnetic field, the cylinder to carry current vortex, the magnetic field of current vortex hinders the variation of rotor field, is formed Brake force realizes current vortex braking function.
The magnetic field that part rotor generates passes through the cylinder of carrying current vortex, and across the very low liquid cooling isolation mode of magnetic permeability Block generates alternating magnetic field in the armature that generates electricity, and to make, power generation armature generates induced electromotive force and induced current, induced current are defeated Go out to electric power electronic module, powers for the Exciting Windings for Transverse Differential Protection of rotor after transformed processing, extra electric energy can also be by power electronics Module is stored using battery or super capacitor.
When device works, the current vortex generated in cylinder can generate heat, make barrel temperature it is high (>500 DEG C), because of the armature that generates electricity Cannot be operated in high temperature (power generation armature working environment answer<100 DEG C), liquid cooled module is by the high cylinder of temperature and is unable to high temperature work The power generation armature of work is kept apart, and is recycled by water and is taken away the heat that current vortex generates, and is ensured the two normal work, is improved The service life of whole device.
When needing regulating brake force square, controller controls signal to electric power electronic module, adjusts the excitation of supply rotor The size of current of winding realizes the step-less adjustment of torque.When that need not brake, controller is closed to electric power electronic module to be believed Number, disconnect the current loop of the Exciting Windings for Transverse Differential Protection of rotor so that there is no exciting currents, rotor no longer to produce in the Exciting Windings for Transverse Differential Protection of rotor Raw excitation field, to release braking.
The beneficial effects of the present invention are:
The present invention is only made of 1 stator and 1 rotor, simple and compact for structure, is occupied little space, and quality is small, is fabricated to This is low;
Traditional current vortex retarder has 2 air gaps, the present invention there was only 1 air gap, reduces magnetic circuit loss, improves hair Electrical efficiency, it is ensured that the stability of braking;
The present invention provides the space of bigger for excitation unit, helps to create only with a rotor and a stator Stronger excitation field makes device have the torque adiustment of bigger to generate the braking moment of bigger, convenient for automobile Braking;
It is equipped with liquid cooling isolation module between power generation armature and cylinder, the heat of current vortex generation can be taken away in time, carried The continuous braking time of whole device is risen, while the cylinder of carrying current vortex and power generation armature can be made to be in most suitable temperature It spends work, lifting device performance in range and improves the service life of whole device;
Electric power electronic module is powered to the Exciting Windings for Transverse Differential Protection of rotor, generates magnetic field in rotor, magnetic field enters cylinder across gap In, current vortex is generated within the barrel, and the magnetic field of current vortex hinders the variation of rotor field, forms brake force, realizes current vortex system Dynamic function;The magnetic field that rotor generates passes through cylinder and liquid cooling isolation module, alternating magnetic field is generated in the armature that generates electricity, to make hair Armature generates induced electromotive force and induced current, induced current are exported to electric power electronic module, is rotor after transformed processing Exciting Windings for Transverse Differential Protection power supply, extra electric energy can also be stored by the battery or super capacitor of electric power electronic module, realize energy The recycling of amount, it is energy saving and environmentally friendly;
The present invention has current vortex and regenerative braking capability.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the structural schematic diagram for the electromagnetic retarder that the present invention has energy recovery function;
Fig. 2 is the structural schematic diagram of stator.
Wherein:1, transmission shaft, 2, bearing, 3, stator support, 4, rotor field spider, 5, field core, 6, Exciting Windings for Transverse Differential Protection, 7, circle Cylinder, 8, liquid cooling be isolated water channel, 9, power generation armature core, 10, power generation armature winding, 11, water pipe, 12, commutator, 13, electric power electricity Submodule.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not For limiting the present invention.
Referring to Fig. 1-Fig. 2, a kind of electromagnetic retarder with energy recovery function, including 1 stator, 1 rotor, electric power Electronic module 13 and transmission shaft 1, rotor is placed in stator, and there are the gaps 0.5-1.5mm, the i.e. interior table of stator between stator Face is 0.5-1.5mm at a distance from the outer surface of rotor;
The stator includes stator support 3, power generation armature, liquid cooling isolation module and the cylinder 7 for carrying current vortex, stator branch Frame 3 is connect by bearing 2 with transmission shaft 1;The armature that generates electricity includes power generation armature winding 10 and power generation armature core 9, and generate electricity armature In power generation armature core 9, power generation armature winding 10 is connect winding 10 with electric power electronic module 13;Liquid cooling isolation module is placed in It generates electricity between armature core 9 and cylinder 7, for will generate electricity, armature is kept apart with the cylinder 7 for carrying current vortex;Cylinder 7, power generation electricity Pivot iron core 9 is fixed on stator support 3;The structure and working principle of power generation armature is identical as synchronous generator armature;
The liquid cooling isolation module includes liquid cooling isolation water channel 8, and liquid cooling isolation water channel 8 passes through water pipe 11 and engine cool Water pipe connects or liquid cooling isolation water channel 8 is connect by water pipe 11 with the condensate pipe of cooling device, the heat that current vortex is generated Amount is taken away, and the continuous braking time of whole device is promoted, and it is most suitable so that the cylinder 7 of carrying current vortex and power generation armature is in Within the temperature range of work, lifting device performance improves the service life of whole device;
The rotor includes rotor field spider 4, Exciting Windings for Transverse Differential Protection 6 and field core 5, and Exciting Windings for Transverse Differential Protection 6 is wrapped in field core 5 On, can be salient pole type, or hidden pole type;Exciting Windings for Transverse Differential Protection 6 is connect by reversal valve 12 with electric power electronic module 13, with reality Existing electric energy self-excitation, electric power electronic module 13 can adjust the size of current of Exciting Windings for Transverse Differential Protection 6;Rotor field spider 4 is connect with transmission shaft 1, And rotor field spider 4 is connect with field core 5.
When in on-position, electric power electronic module 13 is that Exciting Windings for Transverse Differential Protection 6 provides exciting current so that field core 5 The magnetic line of force is generated, since rotor is rotating, to generate alternating magnetic field in the cylinder 7 of carrying current vortex, and then generates electric whirlpool Stream, the magnetic field of current vortex hinder the magnetic field that field core 5 generates, and generate the braking moment for hindering field core 5, current vortex braking Function is achieved.Since the cylinder 7 and liquid cooling isolation water channel 8 of carrying current vortex are relatively thin (overall thickness is less than 1cm), there is suitable portion The magnetic line of force divided can pass through cylinder 7 and liquid cooling that water channel 8 is isolated, and reach power generation armature core 9, generate alternating magnetic field wherein, from And induced electromotive force and induced current, these electric currents are generated on the armature winding 10 that generates electricity will be sent to electric power electronic module 13, electric power Electronic module 13 is conveyed to Exciting Windings for Transverse Differential Protection 6, to realize that electric energy is encouraged oneself back by after the processing of these regenerative electric energies by commutator 12 Road.Electric power electronic module 13 possesses intelligent control function, when the extra Exciting Windings for Transverse Differential Protection 6 of electric energy that power generation armature winding 10 generates needs Electric energy when, electric power electronic module 13 stores extra electric energy, when power generation armature winding 10 generate electric energy be less than excitation When the electric energy that winding 6 needs, electric power electronic module 13 is supplemented using the electric energy of external power supply or itself storage.
In use, a large amount of thermal energy are will produce on cylinder 7, the liquid in water channel 8 can be isolated in this partial heat energy by liquid cooling Body is taken away, and coolant liquid flows back into the work that moves in circles in retarder after radiator heat-dissipation.
The exciting current in field core 5 can be adjusted by electric power electronic module 13, is generated to adjust field core 5 Magnetic field power, to electrodeless adjustment braking moment size.
When that need not brake, electric power electronic module 13 cuts off the electric current in Exciting Windings for Transverse Differential Protection 6, and field core 5 no longer generates Magnetic field also no longer generates current vortex on cylinder 7, to not generate braking moment, releases the braking to vehicle, is not influencing vehicle just Often traveling.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description, And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.

Claims (3)

1. a kind of electromagnetic retarder with energy recovery function, including stator, rotor, electric power electronic module and transmission shaft, electricity Power electronic module is connect by reversal valve with rotor, it is characterised in that:The rotor is placed in stator, and between stator there are Gap;
The stator includes stator support, power generation armature, liquid cooling isolation module and the cylinder for carrying current vortex, the stator support Pass through bearing and transmission axis connection;The liquid cooling isolation module is placed between power generation armature and cylinder;The power generation armature includes Generate electricity armature winding and power generation armature core, and power generation armature winding is connect with electric power electronic module;
The power generation armature winding and power generation armature core are connect with stator support;
The liquid cooling isolation module includes liquid cooling isolation water channel, each liquid cooling is isolated water channel and corresponds to one to generate electricity on armature core A metallic channel, and on the inside of corresponding lead slot;
The rotor includes rotor field spider, Exciting Windings for Transverse Differential Protection and field core, the rotor field spider and transmission axis connection, and described turn Submounts are connect with Exciting Windings for Transverse Differential Protection;
Electric power electronic module is powered to the Exciting Windings for Transverse Differential Protection of rotor, and magnetic field is generated in rotor, and magnetic field enters across gap in cylinder, Current vortex is generated in cylinder, the magnetic field of current vortex hinders the variation of rotor field, forms brake force, realizes current vortex braking work Energy;The magnetic field that rotor generates passes through cylinder and liquid cooling isolation module, and alternating magnetic field is generated in the armature that generates electricity, to keep power generation electric Pivot generates induced electromotive force and induced current, induced current are exported to electric power electronic module, encouraging for rotor after transformed processing Magnetic winding power, extra electric energy can also be stored by the battery or super capacitor of electric power electronic module, realize energy Recycling.
2. the electromagnetic retarder according to claim 1 with energy recovery function, it is characterised in that:The gap is 0.5-1.5mm。
3. the electromagnetic retarder according to claim 1 with energy recovery function, it is characterised in that:The liquid cooling isolation Water channel is connect with cooling water pipe of engine or the condensate pipe of liquid cooling isolation water channel and cooling device connects.
CN201610179173.3A 2016-03-25 2016-03-25 A kind of electromagnetic retarder with energy recovery function Active CN105790542B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610179173.3A CN105790542B (en) 2016-03-25 2016-03-25 A kind of electromagnetic retarder with energy recovery function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610179173.3A CN105790542B (en) 2016-03-25 2016-03-25 A kind of electromagnetic retarder with energy recovery function

Publications (2)

Publication Number Publication Date
CN105790542A CN105790542A (en) 2016-07-20
CN105790542B true CN105790542B (en) 2018-09-14

Family

ID=56391680

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610179173.3A Active CN105790542B (en) 2016-03-25 2016-03-25 A kind of electromagnetic retarder with energy recovery function

Country Status (1)

Country Link
CN (1) CN105790542B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107659117A (en) * 2016-07-23 2018-02-02 李启飞 Magnetic force retarder
CN108988607A (en) * 2017-06-05 2018-12-11 李启飞 The very big load regulatable magnetic force retarder of fluid regulation type
CN109120134A (en) * 2017-06-24 2019-01-01 李启飞 The very big load regulatable magnetic force retarder of planetary roller screw type

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4423344A (en) * 1981-02-23 1983-12-27 Litton Industrial Products, Inc. Liquid cooled eddy current coupling having rotor extension ring
FR2627913B1 (en) * 1988-02-25 1992-02-07 Labavia ELECTROMAGNETIC RETARDER, SUPPLY MEANS, AND APPLICATION TO A VEHICLE
FR2803134B1 (en) * 1999-12-22 2002-03-08 Labinal Eddy current retarder
FR2842961B1 (en) * 2002-07-29 2006-03-03 Telma ELECTROMAGNETIC RETARDER OF A VEHICLE PROVIDED WITH A SPEED MULTIPLIER DEVICE
CN102299608B (en) * 2011-07-12 2013-10-16 北京工业大学 Liquid cooling auto-excitation-type eddy current retarder without electric brush structure
CN102611277B (en) * 2012-03-09 2013-11-13 北京工业大学 Liquid-cooled eddy current retarder with projecting pole structure
CN203221889U (en) * 2013-03-29 2013-10-02 武汉理工大学 Water-cooled self-excitation eddy current retarder

Also Published As

Publication number Publication date
CN105790542A (en) 2016-07-20

Similar Documents

Publication Publication Date Title
CN102299608B (en) Liquid cooling auto-excitation-type eddy current retarder without electric brush structure
US9178404B2 (en) Liquid-cooled self-excited eddy current retarder with a structure of two salient poles
CN105790542B (en) A kind of electromagnetic retarder with energy recovery function
Wang et al. Design optimization and comparative study of novel magnetic-geared permanent magnet machines
CN102874123B (en) Disk type water cooling self-excited eddy current retarder
CN103935232B (en) Based on electric drive wheel and the control method thereof of double-rotor machine
CN104201854A (en) Electromagnetic structure of vehicular external-rotor radial-magnetic-field permanent magnet synchronous in-wheel motor
CN103683803A (en) Electromagnetic liquid cooling retarder with double-claw-pole generator
CN103560637A (en) Mixed excitation synchronous generator high in power density
Severson et al. Outer-rotor ac homopolar motors for flywheel energy storage
CN106357076A (en) Halbach magnetic-gathering axial magnetic field mixed permanent-magnetic memory motor
CN107846092A (en) A kind of wheel hub electric motor of electric vehicle of integrated caliper
CN206432791U (en) A kind of thin-desk single-side structural axial flux permanent magnet wind-driven generator
Qi et al. Design and research of axial flux permanent magnet motor for electric vehicle
CN104578684B (en) A kind of electromagnetism liquid-cooled retarder of external rotor structure
CN202444390U (en) Disc type low-speed large-torque permanent magnetism vernier motor
CN203522494U (en) Electromagnetic liquid cooling retarder of external rotor construction
CN109962593A (en) A kind of bimorph transducer formula rare-earth permanent magnet motor
CN103259385A (en) Liquid-cooled salient pole electromagnetic retarder with lightweight rotor
CN204349759U (en) The self-excitation type liquid cooling current vortex retarder of a kind of pair of water channel structure
WO2020029752A1 (en) In-wheel motor driving device
CN208738984U (en) A kind of cartridge type list air-gap outer rotor motor
CN202034876U (en) Permanent-magnet synchronous torque motor capable of controlling magnetic conductance and used for turning and milling combined spindle
CN104600954B (en) A kind of cold current vortex retarder of self-excitation type liquid of double water channel constructions
CN103078470A (en) Double-salient-pole liquid-cooling retarding device with synchronous rotating structure for self-exciting coil

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant