CN109760501A - Double planet wheel rows of mixing power coupling mechanism - Google Patents

Double planet wheel rows of mixing power coupling mechanism Download PDF

Info

Publication number
CN109760501A
CN109760501A CN201910065571.6A CN201910065571A CN109760501A CN 109760501 A CN109760501 A CN 109760501A CN 201910065571 A CN201910065571 A CN 201910065571A CN 109760501 A CN109760501 A CN 109760501A
Authority
CN
China
Prior art keywords
gear
planet
low
shaft
motor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910065571.6A
Other languages
Chinese (zh)
Inventor
王铁
王飞
张瑞亮
武志斐
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.)
Taiyuan University of Technology
Original Assignee
Taiyuan University of Technology
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 Taiyuan University of Technology filed Critical Taiyuan University of Technology
Priority to CN201910065571.6A priority Critical patent/CN109760501A/en
Publication of CN109760501A publication Critical patent/CN109760501A/en
Pending legal-status Critical Current

Links

Abstract

The present invention discloses a kind of novel double-row star row power coupling mechanism for electric car, is mainly assembled by two motors, two groups of planet rows, 3 brakes, electromagnetic clutch, output gear, transmission shafts etc..It is ingenious to solve the disadvantage that single motor driving electric car with planetary gear train multiple degrees of freedom feature that there are serious forgiveness is low, power per unit mass is low, low-speed dynamic is insufficient, high speed low torque utilization rate is low and in the process of running it is possible that low load with strong power.Heavy-duty motor in electric car is replaced by two low-power machines, the feature for giving full play to the small torque of the high revolving speed of low-power machine, low cost, makes that electric vehicle structure is more compact, drive mode is more diversified, low-speed dynamic is more powerful, energy utilization is more efficient.There is certain meaning to the dynamic property and economy that improve electric car.

Description

Double planet wheel rows of mixing power coupling mechanism
Technical field
The invention belongs to electric powered motor transmission technical field, specially a kind of double planet wheel rows of mixing power coupling mechanism.
Background technique
With the continuous development of economy and technology, in order to get rid of dependence of the people to petroleum resources, electric car can be gradually Replace a part of fuel vehicle, and make moderate progress to environment, therefore all kinds of new-energy automobiles are bound to as China Automobile Industry Mainstream.Electric car is mostly equipped with single motor driving, electric car there are the serious forgiveness low, unit mass of single motor driving at present Power is low, low-speed dynamic is insufficient, high speed low torque utilization rate is low and in the process of running it is possible that low load with strong power The case where;Comprehensively consider, the heavy-duty motor in electric car is replaced by two low-power machines, gives full play to small power electric The feature of the small torque of the high revolving speed of machine, low cost has certain meaning to the dynamic property and economy that improve electric car.
Summary of the invention
The present invention designs a kind of double planet wheel rows of mixing power coupling machine for deficiency present in the operation of single motor electric car Structure, makes that electric vehicle structure is more compact, drive mode is more diversified, low-speed dynamic is more powerful, energy utilization is more increased Effectization.
Technical scheme is as follows: double planet wheel rows of mixing power coupling mechanism, including the first motor, the first planet toothrow Take turns mechanism, the second planet row gear mechanism, the second motor, electromagnetic clutch and output gear;The output shaft of first motor Connected with one end of the first planet toothrow wheel mechanism solar wheeling tooth wheel shaft, the first planet toothrow wheel mechanism solar wheeling tooth wheel shaft it is another One end is connected with one end of electromagnetic clutch, is equipped with brake C2, the first planet row on the first planet toothrow wheel mechanism gear ring The gear ring that the planet carrier of gear mechanism doubles as the second planet row gear mechanism, the output shaft of the second motor and the second planet row One end of gear mechanism solar wheeling tooth wheel shaft connects, and is also equipped with brake on the second planet row gear mechanism solar wheeling tooth wheel shaft C1 and its other end is connected with the other end of electromagnetic clutch, electromagnetic clutch are located between two planet row gear mechanisms, the Brake C3 is installed, the planet carrier of the second planet row gear mechanism doubles as moving for transmitting on the gear ring of two planet row gear mechanisms Power planet carrier gear, planet carrier gear and output gear engage, the output shaft of output shaft and two motor on output gear In parallel, the output shaft of two motor is coaxial.
By the braking conditions of 3 brakes of control and the power on/off of electromagnetic clutch, and it is reasonable to pass through electric machine controller Debugging motor rotational speed and torque, it can be achieved that different operating mode.Four kinds of driving operational modes may be implemented in the mechanism, when only When having the first motor running, hydraulic oil, the output shaft of the second motor and the first planet row are filled with to brake C1, C2 at this time Gear mechanism gear ring loses freedom degree, and power passes to the second planet row gear mechanism by the planet carrier of the first planet toothrow wheel mechanism Planet carrier gear, last power passes to output gear, and power transmission route is as shown in figure 3, when running conditions of vehicle is in The mode is used when speed (50-70km/h), speed are in 30 km/h or less and acceleration is smaller or low rate start;When only When the second motor running, at this point, being filled with hydraulic oil into brake C3, locking planet carrier and gear ring, power can only be by second The planet carrier gear of planet row gear mechanism exports, and finally by the output gear output power of engagement, power transmission route is such as Shown in Fig. 4, the mode is used when running conditions of vehicle is in speed (30-50km/h) or vehicle acceleration is less than or equal to zero; When two motors are run simultaneously, the first situation is not powered, at this point, being filled in only brake C2 hydraulic to electromagnetic clutch Oil, the power of the first motor are transmitted to the gear ring of the second planet row gear mechanism, and the power of the second motor is transmitted to second Planet row gear mechanism sun gear, the power of the two finally couples on the planetary gear of the second planet row gear mechanism, via row Carrier gear output power, last power pass to output gear, and power transmission route is as shown in figure 5, work as running conditions of vehicle When in 70km/h or more, the mode is used at this time;Second situation is after electromagnetic clutch is powered, to be needed at this time to braking The freedom degree of hydraulic oil limitation planet carrier and gear ring is passed through in device C3, two motors realize the direct superposition of torque, and power is second It couples, is passed to by planet carrier gear to output gear, power transmission route is such as on sun gear on planet row gear mechanism Shown in Fig. 6, the mode is used when running conditions of vehicle is in anxious acceleration (acceleration is larger), anxious climbing.
A kind of above-mentioned double planet wheel rows of mixing power coupling mechanism, the first planet toothrow wheel mechanism solar wheeling tooth wheel shaft are hollow The power transmission line of axis, electromagnetic clutch is introduced by the first planet toothrow wheel mechanism solar wheeling tooth wheel shaft, and gear shaft shaft end is equipped with Electric brush slip ring realizes the energization of rotary body.External electric current is introduced by the electric brush slip ring being mounted on gear shaft, electric wire warp Hollow gear shaft is connected with electromagnetic clutch.
The product design is simple, easy-to-understand, for the different operating condition of electric car, selects different operating mode and conjunction The planet row characterisitic parameter of reason, realize low rate start, it is anxious accelerate, anxious climbing when required big torque, when high speed realizes that revolving speed turns The coupling of square;Optimal drive mode is selected by designing reasonable control strategy, energy utilization high efficiency may be implemented in this way, Realize preferable economy.
Detailed description of the invention
It is attached that Fig. 1 shows novel double-row stars to arrange power coupling mechanism schematic diagram.
Attached drawing 2 indicates the partial sectional view of electromagnetic clutch and its transmission shaft.
The power transmission route schematic diagram of the expression new type power coupling mechanism of attached drawing 3,4,5,6.
Attached drawing 7 indicates the dynamics simulation result figure of former vehicle single motor and novel double-motor coupling mechanism electric car.
It is attached that Fig. 8 shows the pattern switching simulation result diagrams of novel double-motor coupling mechanism electric car.
Attached drawing 9 indicates the economy simulation result diagram of former vehicle single motor and novel double-motor coupling mechanism electric car.
In figure: the first motor of 1-, 2- the first planet row sun gear, 3- gear ring, 4- the first planet rows of planetary wheel, 5- planet Frame and gear ring, 6- the second planet row planetary gear, 7- the second planet row sun gear, 8- planet carrier gear, the second motor of 9-, 10- Brake C1,11- coupling mechanism cabinet, 12- output gear, 13- brake C3,14- brake C2,15- electromagnetic clutch, 16- electric brush slip ring, the first motor output shaft of 17-, 18- the first planet row solar wheeling tooth wheel shaft, the transmission of electricity of 19- electromagnetic clutch Line, 20- magnetic yoke, 21- coil, 22- friction plate, 23- armature, 24- reset spring, 25- the second planet row solar wheeling tooth wheel shaft.
Specific embodiment
A kind of duplicate rows row power coupling mechanism, it is by coupling mechanism cabinet, 2 motor, 2 shaft couplings, 2 sun Wheel, a gear ring, several planetary gears, planet carrier and gear ring, planet carrier gear, 3 liquid braking devices, cabinet, output gear and The part such as its axis, electromagnetic clutch, electric brush slip ring forms.
Detailed explanation is carried out to the embodiment of mechanism with reference to the accompanying drawing.
As shown in Figure 1, a kind of double planet wheel rows of mixing power coupling mechanism, component part are as follows: the first motor 1, the first planet Arrange gear mechanism, the second planet row gear mechanism, the second motor 9, brake C1, coupling mechanism cabinet 11, output gear 12 And output shaft, brake C2, brake C3, electromagnetic clutch 15;Wherein the first planet toothrow wheel mechanism includes the first planet row Sun gear 2, gear ring 3, the first planet rows of planetary wheel 4, planet carrier and gear ring 5, the second planet row gear mechanism include the second planet Rank star-wheel 6, the second planet row sun gear 7, planet carrier gear 8.
Two motor connect respective output shaft by shaft coupling respectively, and the output shaft of two motor is respectively by key and each From solar wheeling tooth wheel shaft be connected, the output shaft of the first motor 1 connect with the first planet row sun gear 2 later again with electricity 15 one end of magnet clutch is connected, and the power transmission line 19 of electromagnetic clutch 15 is entered by the through-hole of gear shaft.Brake C1 installation In on the second planet row solar wheeling tooth wheel shaft 25, limiting its freedom degree, the second planet row solar wheeling tooth wheel shaft 25 again with electromagnetism from The other end of clutch 15 is connected;Secondly simultaneous to the sun gear of two planet rows, the planetary gear being meshed with sun gear, planet carrier Gear ring 5 is assembled, and brake C2 and gear ring 3, brake C3 and planet carrier and gear ring 5 is attached respectively, finally to defeated Gear 12 is engaged with planet carrier gear 8 out, achievees the purpose that output in this way.
As shown in Fig. 2, 2 gear shaft end of the first planet row sun gear is equipped with electric brush slip ring 16, axis is provided on gear shaft To through-hole, external electric current is introduced by the electric brush slip ring that is mounted on gear shaft, the power transmission line warp of electromagnetic clutch 15 By being connected with electromagnetic clutch, electromagnetic clutch 15 includes magnetic yoke 20, coil 21, friction plate 22, armature 23, resets gear shaft Spring 24.
As shown in figure 9, being emulated respectively to former vehicle and dual-motor drive system under NEDC operating condition.Fig. 9 indicates NEDC Electricity (SOC) consumes situation both under operating condition, from the point of view of curvilinear trend, electricity entire lowering, and Dual-motors Driving phase on the whole The 2.84%(numerical value is improved from two kinds of driving method coordinate values solve in Fig. 9 to former vehicle single motor driving economic performance, Specially (0.6909-0.6718)/0.6718=2.84%).

Claims (2)

1. a kind of double planet wheel rows of mixing power coupling mechanism, it is characterised in that including the first motor (1), the first planet toothrow turbine Structure, the second planet row gear mechanism, the second motor (9), electromagnetic clutch (15) and output gear (12);First motor (1) one end connection of output shaft and the first planet toothrow wheel mechanism solar wheeling tooth wheel shaft, the first planet toothrow wheel mechanism sun The other end of gear teeth wheel shaft is connected with one end of electromagnetic clutch, is equipped with brake C2 on the first planet toothrow wheel mechanism gear ring (14), the gear ring that the planet carrier of the first planet toothrow wheel mechanism doubles as the second planet row gear mechanism, the second motor (9) The connection of one end of output shaft and the second planet row gear mechanism solar wheeling tooth wheel shaft, the second planet row gear mechanism sun gear gear Brake C1(10 is also equipped on axis) and its other end connected with the other end of electromagnetic clutch, electromagnetic clutch be located at two Between planet row gear mechanism, brake C3(13 is installed on the gear ring of the second planet row gear mechanism), the second planet toothrow The planet carrier for taking turns mechanism doubles as to transmit power planet carrier gear (8), planet carrier gear (8) and output gear (12) engagement, defeated The output shaft of the output shaft on gear (12) and two motor is parallel out, and the output shaft of two motor is coaxial.
2. a kind of double planet wheel rows of mixing power coupling mechanism according to claim 1, it is characterised in that the first planet toothrow turbine Structure solar wheeling tooth wheel shaft is hollow shaft, and the power transmission line of electromagnetic clutch is drawn by the first planet toothrow wheel mechanism solar wheeling tooth wheel shaft Enter, gear shaft shaft end is equipped with electric brush slip ring, realizes the energization of rotary body.
CN201910065571.6A 2019-01-24 2019-01-24 Double planet wheel rows of mixing power coupling mechanism Pending CN109760501A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910065571.6A CN109760501A (en) 2019-01-24 2019-01-24 Double planet wheel rows of mixing power coupling mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910065571.6A CN109760501A (en) 2019-01-24 2019-01-24 Double planet wheel rows of mixing power coupling mechanism

Publications (1)

Publication Number Publication Date
CN109760501A true CN109760501A (en) 2019-05-17

Family

ID=66454224

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910065571.6A Pending CN109760501A (en) 2019-01-24 2019-01-24 Double planet wheel rows of mixing power coupling mechanism

Country Status (1)

Country Link
CN (1) CN109760501A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110370923A (en) * 2019-06-17 2019-10-25 广东博智林机器人有限公司 Distributing means for power supply and automated guided vehicle
CN113085519A (en) * 2021-05-06 2021-07-09 华中科技大学 Dual-motor electric automobile driving system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1469180A (en) * 1974-08-17 1977-03-30 Singer Co Tufting machine having a yarn feed roller assembly
JP2005170227A (en) * 2003-12-10 2005-06-30 Aisin Aw Co Ltd Hybrid driving device
CN106347112A (en) * 2016-09-19 2017-01-25 福州大学 Double planetary gear row type electric drive assembly and drive method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1469180A (en) * 1974-08-17 1977-03-30 Singer Co Tufting machine having a yarn feed roller assembly
JP2005170227A (en) * 2003-12-10 2005-06-30 Aisin Aw Co Ltd Hybrid driving device
CN106347112A (en) * 2016-09-19 2017-01-25 福州大学 Double planetary gear row type electric drive assembly and drive method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110370923A (en) * 2019-06-17 2019-10-25 广东博智林机器人有限公司 Distributing means for power supply and automated guided vehicle
CN113085519A (en) * 2021-05-06 2021-07-09 华中科技大学 Dual-motor electric automobile driving system

Similar Documents

Publication Publication Date Title
CN206394434U (en) A kind of many gear automotive trannsmission systems of integrated single motor
CN101804811B (en) Hybrid power control system for vehicle
CN102102740B (en) Electromechanical compound gearing of hybrid vehicle
CN207809033U (en) Hybrid electric drive system and vehicle
CN206031051U (en) Multi -mode platform hybrid transmission
CN102678846B (en) Speed change gear, the drive system comprising this speed change gear and controlling method thereof
CN103587396A (en) Power-driven automobile double-motor coupling drive system
CN207809032U (en) Hybrid electric drive system and vehicle
CN108099578A (en) Single motor hybrid automobile power Multiple modes coupling power drive system
CN102267368A (en) Transmission mechanism for power coupling
CN109760501A (en) Double planet wheel rows of mixing power coupling mechanism
CN110329057A (en) A kind of novel hybrid speed change system and method
CN106476610B (en) Power drive system and vehicle with it
CN107009867A (en) Double-clutch mixed power drive system
CN106476603B (en) Power drive system and vehicle with it
CN208290960U (en) Hybrid electric drive system and vehicle
CN207809034U (en) Hybrid electric drive system and vehicle
CN207809039U (en) Hybrid electric drive system and vehicle
CN207328114U (en) Hybrid electric drive system and vehicle
CN108909433A (en) Dynamical system for hybrid vehicle
CN102529681A (en) Efficient energy-saving environment-friendly hybrid transmission mechanism
CN109986947A (en) Hybrid electric drive system and vehicle
CN109986952A (en) Hybrid electric drive system and vehicle
CN107672440A (en) A kind of hybrid power system and application
CN212022289U (en) Dual-motor dual-clutch hybrid variable-speed transmission mechanism for vehicle

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
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20190517