CN212486301U - Motor and electric vehicle with same - Google Patents

Motor and electric vehicle with same Download PDF

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Publication number
CN212486301U
CN212486301U CN202022365875.5U CN202022365875U CN212486301U CN 212486301 U CN212486301 U CN 212486301U CN 202022365875 U CN202022365875 U CN 202022365875U CN 212486301 U CN212486301 U CN 212486301U
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CN
China
Prior art keywords
motor
electric vehicle
assembled
gear carrier
brake
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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.)
Expired - Fee Related
Application number
CN202022365875.5U
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Chinese (zh)
Inventor
王伟
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Individual
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Individual
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Filing date
Publication date
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Publication of CN212486301U publication Critical patent/CN212486301U/en
Expired - Fee Related legal-status Critical Current
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/006—Structural association of a motor or generator with the drive train of a motor vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L7/00—Electrodynamic brake systems for vehicles in general
    • B60L7/10—Dynamic electric regenerative braking
    • B60L7/18—Controlling the braking effect
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L7/00—Electrodynamic brake systems for vehicles in general
    • B60L7/24—Electrodynamic brake systems for vehicles in general with additional mechanical or electromagnetic braking
    • B60L7/26—Controlling the braking effect
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
    • B62L1/00—Brakes; Arrangements thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
    • B62L3/00—Brake-actuating mechanisms; Arrangements thereof
    • B62L3/02—Brake-actuating mechanisms; Arrangements thereof for control by a hand lever
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M11/00—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
    • B62M11/04—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio
    • B62M11/14—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M7/00—Motorcycles characterised by position of motor or engine
    • B62M7/12—Motorcycles characterised by position of motor or engine with the engine beside or within the driven wheel
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
    • H02K7/1807—Rotary generators
    • H02K7/1861—Rotary generators driven by animals or vehicles
    • 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
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

A motor and an electric vehicle provided with the motor, a sun gear (12) is fixedly assembled with an inner rotor (11) of the motor, the outer gear ring (10) is fixedly assembled with the inner wall of an outer rotor (2) of the motor, the planet gear (13) is assembled on the planet gear carrier (9), the planet gear carrier (9) is provided with a transmission sleeve (6) and extends out of the outer rotor (2) of the motor, the transmission sleeve (6) and the planet gear carrier (9) are integrated or fixedly connected, a planet gear carrier brake disc (4) is fixed at one end of a transmission sleeve (6) of a planet gear carrier (9) extending out of an outer motor rotor (2), one end cover of the outer motor rotor (2) is assembled on the transmission sleeve (6) of the planet gear carrier (9) through a bearing (8), and the other end cover is assembled with a motor central shaft (5) through the bearing.

Description

Motor and electric vehicle with same
Technical Field
The utility model relates to a motor and electric motor car, in particular to be equipped with the in-wheel motor of planetary gear derailleur and the electric motor car that is equipped with this motor.
Background
At present, an energy recovery electric vehicle is gradually applied, the energy recovery is that a driving motor is instantly changed into a generator to generate electricity when the electric vehicle goes downhill, the resistance of the electricity generation is utilized to assist braking, and the generated electricity is utilized to prolong the endurance mileage. Because the generator has a certain rotating speed requirement when generating electricity, the energy recovery electric vehicles on the market at present all adopt brushless toothed motors, but in order to not influence the sliding of the electric vehicle, the brushless toothed motors are additionally provided with one-way clutches on planetary gear transmissions in the electric vehicles, namely, only an inner rotor of the motor drives a hub to rotate, and the hub cannot drive the inner rotor of the motor to rotate.
The energy recovery electric vehicle cancels a one-way clutch on a planetary gear transmission in order to enable a motor to generate power and enable a hub to drive an inner rotor of the motor to rotate, so that the hub can drive the inner rotor of the motor to rotate to generate power, but the sliding function is sacrificed. So some energy recovery electric vehicle commentaries on treasure clearly note: the electric vehicle starts energy recovery as long as the accelerator is turned back to zero.
Although the energy recovery function has many advantages, it is somewhat of an aesthetic disadvantage to sacrifice the gliding function.
Disclosure of Invention
The utility model aims at solving the not enough of above-mentioned technique, provide one kind can be connected, cut off power transmission's motor and the electric motor car that is equipped with this motor between motor inner rotor and the wheel hub according to the demand.
In order to achieve the above purpose, the utility model adopts the following technical scheme.
The planetary gear transmission consists of a sun gear, an outer gear ring, a planetary gear and a planetary gear carrier.
The sun gear is fixedly assembled with an inner rotor of the motor, and the inner rotor is the motor rotor fixed with the permanent magnet.
The outer gear ring is fixedly assembled with the inner wall of an outer rotor of the motor, and the outer rotor is a rotary shell for fixing the motor and the hub.
The planetary gear is assembled on the planetary gear carrier, a transmission sleeve is arranged on the planetary gear carrier and extends out of the motor outer rotor, the transmission sleeve and the planetary gear carrier are integrated or fixedly connected, a planetary gear carrier brake disc is fixed at one end of the transmission sleeve, extending out of the motor outer rotor, of the planetary gear carrier, one end cover of the motor outer rotor is assembled on the transmission sleeve of the planetary gear carrier through a bearing, and the other end cover is assembled with the motor central shaft through the bearing.
When the motor is a pure generator, in order to reduce friction between parts, the planet gear carrier is assembled with a motor central shaft through a bearing, and the planet gear carrier has a bidirectional rotation function on the central shaft of the motor.
When the motor has two functions of driving and generating, the planet gear carrier is assembled with the central shaft of the motor through the one-way clutch, and the planet gear carrier has a one-way rotation function on the central shaft of the motor.
And a coil stator of the motor is fixedly assembled with the central shaft.
The wheel hub and the motor outer rotor of the electric vehicle are fixedly assembled or fixedly connected and assembled through a transmission shaft or directly designed into a whole.
The electric vehicle brake disc is fixedly assembled with the outer motor rotor or a shaft which transmits power to the outside with the outer motor rotor, and the electric vehicle brake disc is used for speed reduction and emergency stop of an electric vehicle.
The electric vehicle is characterized in that each hub of the electric vehicle is provided with the motor or fixedly connected with the motor through a transmission shaft, a set of brake device of a planet carrier brake disc is added on the electric vehicle besides the existing brake device for decelerating and stopping, namely, two sets of brake devices are assembled on one wheel, a set of brake device of the planet carrier brake disc is arranged on the other wheel, and a set of brake device of the electric vehicle brake disc is arranged on the other wheel, and the brake device is a disc brake caliper.
The brake device of the planet carrier brake disc is controlled by a brake pedal or a right handle, and after the motor is assembled on the electric vehicle, the brake device of the planet carrier brake disc on the electric vehicle can clamp the planet carrier brake disc. According to the characteristics of the planetary gear transmission, after the planet carrier is locked, power is input from the outer ring gear and output from the sun gear. After the sun gear is locked, power is either input from the outer ring gear and output from the planet carrier, or input from the planet carrier and output from the outer ring gear. When the electric vehicle needs to slide, the brake device is controlled to release the brake disc of the planetary gear carrier, and under the condition that the resistance of the generator coil of the motor for cutting magnetic lines is greater than the resistance of the planetary gear carrier for rotating, the wheel hub transmits power to the planetary gear carrier, and the motor does not have the resistance which influences the sliding of the electric vehicle. When the electric vehicle needs the auxiliary braking of the motor power generation when going downhill, the control braking device clamps the planet gear carrier braking disc, the planet gear carrier in the motor is locked and can not rotate at the moment, and the inner rotor in the motor is driven by the wheel hub to rotate at a high speed to enable the motor to generate power.
The braking device of the electric vehicle brake disc is characterized in that the original braking device of the electric vehicle is connected with a left foot clutch pedal or a left hand clutch handle through a brake cable, and the brake is controlled by the clutch pedal or the left hand clutch handle.
The utility model has the advantages of.
1. The power transmission between the motor and the wheel hub is cut off, so that the sliding distance can be prolonged, and the driving mileage is prolonged; and secondly, each wheel of the electric vehicle can be used as a driving wheel and can be used as a power generation wheel for auxiliary braking, the generated energy is improved, the braking effect is improved, the running performance of the electric vehicle under different road conditions is improved, and even if a motor of one wheel is burnt, the running of the electric vehicle is not influenced, and the good effect cannot be achieved by only one motor for auxiliary braking during downhill.
2. Avoid the accident of mistakenly using the accelerator as the brake.
Drawings
The present invention will be described in detail with reference to the accompanying drawings and embodiments.
Fig. 1, fig. 2 and fig. 3 are schematic perspective views of the motor of the present invention.
Fig. 4 is a schematic perspective sectional view of the motor of the present invention.
Fig. 5 is a schematic exploded perspective view of the motor of the present invention.
Fig. 6 is a perspective view of the assembly of the planetary gear carrier of the present invention.
In the figure, a wheel hub (1), an outer rotor (2), an electric vehicle brake disc (3), a planet gear carrier brake disc (4), a central shaft (5), a transmission sleeve (6), a bearing (7), a bearing (8), a planet gear carrier (9), an outer gear ring (10), an inner rotor (11), a sun gear (12) and a planet gear (13).
Detailed Description
Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The motor mentioned in the text is a driving motor, is a power generation motor, and is a motor capable of generating and driving power. Electric vehicles referred to herein include electric bicycles, electric motorcycles, and electric automobiles.
The planetary gear transmission consists of a sun gear (12), an outer gear ring (10), a planetary gear (13) and a planetary gear carrier (9).
The sun gear (12) is fixedly assembled with an inner rotor (11) of the motor, and the inner rotor (11) is the motor rotor fixed with the permanent magnet.
The outer gear ring (10) is fixedly assembled with the inner wall of an outer rotor (2) of the motor, and the outer rotor (2) is a rotary shell for fixing the motor and the hub (1).
The planetary gear (13) is assembled on a planetary gear carrier (9), a transmission sleeve (6) is arranged on the planetary gear carrier (9) and extends out of the motor outer rotor (2), the transmission sleeve (6) and the planetary gear carrier (9) are integrated or fixedly connected, one end of the transmission sleeve (6) extending out of the motor outer rotor (2) of the planetary gear carrier (9) is fixed with a planetary gear carrier brake disc (4), one end cover of the motor outer rotor (2) is assembled on the transmission sleeve (6) of the planetary gear carrier (9) through a bearing (8), and the other end cover is assembled with the motor central shaft (5) through the bearing.
When the motor is a pure generator, in order to reduce friction between parts, the planet carrier (9) is assembled with the motor central shaft (5) through a bearing (7), and the planet carrier (9) has a bidirectional rotation function on the motor central shaft (5).
When the motor has two functions of driving and generating, the planet gear carrier (9) is assembled with the central shaft (5) of the motor through a one-way clutch, and the planet gear carrier (9) has a one-way rotation function on the central shaft (5) of the motor.
The coil stator of the motor is fixedly assembled with the central shaft (5).
A wheel hub (1) and an outer motor rotor (2) of the electric vehicle are fixedly assembled or fixedly connected and assembled through a transmission shaft or directly designed into a whole.
The electric vehicle brake disc (3) is fixedly assembled with the motor outer rotor (2) or a shaft for transmitting power to the outside with the motor outer rotor (2), and the electric vehicle brake disc (3) is used for decelerating and emergently stopping the electric vehicle.
Each hub (1) of the electric vehicle is provided with the motor or fixedly connected with the motor through a transmission shaft, the electric vehicle is additionally provided with a set of brake device of a planet gear carrier brake disc (4) besides the existing brake device for deceleration and parking, namely, a set of brake device of a wheel assembly, a set of brake device of the planet gear carrier brake disc (4) and a set of brake device of an electric vehicle brake disc (3), and the brake devices are disc brake calipers.
The brake device of the planet carrier brake disc (4) is controlled by a brake pedal or a right handle, and after the motor is assembled on the electric vehicle, the brake device of the planet carrier brake disc (4) on the electric vehicle can clamp the planet carrier brake disc (4). According to the characteristics of the planetary gear transmission, after the planet carrier is locked, power is input from the outer ring gear and output from the sun gear. After the sun gear is locked, power is either input from the outer ring gear and output from the planet carrier, or input from the planet carrier and output from the outer ring gear. When the electric vehicle needs to slide, the brake device is controlled to release the planet carrier brake disc (4), under the condition that the resistance of the generator coil of the motor for cutting magnetic lines is larger than the resistance of the planet carrier (9) for rotating, the wheel hub (1) transmits power to the planet carrier (9), and the motor does not have the resistance which influences the sliding of the electric vehicle. When the electric vehicle needs motor power generation auxiliary braking when going downhill, the control braking device clamps the planet carrier braking disc (4), the planet carrier (9) in the motor is locked and can not rotate at the moment, and the inner rotor (11) in the motor rotates at a high speed under the driving of the hub (1) and enables the motor to generate power.
The braking device of the electric vehicle brake disc (3) is the original braking device of the electric vehicle and is connected with the left foot clutch pedal or the left hand clutch handle through a brake cable, and the brake is controlled by the clutch pedal or the left hand clutch handle.

Claims (4)

1. The utility model provides a motor, includes driving motor, generator motor and can generate electricity and can driven motor, its characterized in that: the planetary gear transmission consists of a sun gear, an outer gear ring, a planetary gear and a planetary gear carrier;
the sun gear is fixedly assembled with an inner rotor of the motor, and the inner rotor is the motor rotor fixed with a permanent magnet;
the outer gear ring is fixedly assembled with the inner wall of an outer rotor of the motor, and the outer rotor is a rotary shell for fixing the motor and the hub;
the planetary gear is assembled on a planetary gear carrier, a transmission sleeve is arranged on the planetary gear carrier and extends out of the motor outer rotor, the transmission sleeve and the planetary gear carrier are integrated or fixedly connected, a planetary gear carrier braking disc is fixed at one end of the transmission sleeve, extending out of the motor outer rotor, of the planetary gear carrier, one end cover of the motor outer rotor is assembled on the transmission sleeve of the planetary gear carrier through a bearing, and the other end cover is assembled with a motor central shaft through the bearing;
and a coil stator of the motor is fixedly assembled with the central shaft.
2. An electric machine as claimed in claim 1, characterized in that: when the motor is a pure generator, in order to reduce friction between parts, the planet gear carrier is assembled with a motor central shaft through a bearing, and the planet gear carrier has a bidirectional rotation function on the central shaft of the motor.
3. An electric machine as claimed in claim 1, characterized in that: when the motor has two functions of driving and generating, the planet gear carrier is assembled with the central shaft of the motor through the one-way clutch, and the planet gear carrier has a one-way rotation function on the central shaft of the motor.
4. An electric vehicle equipped with the motor of claim 1, including electric bicycles, electric motorcycles, and electric automobiles, characterized in that: the wheel hub of the electric vehicle is fixedly assembled with the outer rotor of the motor or fixedly connected and assembled through a transmission shaft or directly designed into a whole;
the electric vehicle brake disc is fixedly assembled with the outer rotor of the motor or a shaft which transmits power to the outside with the outer rotor of the motor, and the electric vehicle brake disc is used for speed reduction and emergency stop of the electric vehicle;
each hub of the electric vehicle is provided with the motor or fixedly connected with the motor through a transmission shaft, the electric vehicle is additionally provided with a set of brake device of a planet gear carrier brake disc except the conventional brake device for decelerating and stopping, namely, two sets of brake devices are assembled on one electric vehicle, one set of brake device of the planet gear carrier brake disc is assembled on the other electric vehicle, and one set of brake device of the electric vehicle brake disc is assembled on the other electric vehicle, and the brake device is a disc brake caliper;
the brake device of the planet carrier brake disc is controlled by a brake pedal or a right handle, and after the motor is assembled on the electric vehicle, the brake device of the planet carrier brake disc on the electric vehicle can clamp the planet carrier brake disc; when the electric vehicle needs to slide, the brake device is controlled to release the brake disc of the planetary gear carrier, and under the condition that the resistance of the generator coil of the motor for cutting magnetic lines is greater than the resistance of the planetary gear carrier for rotating, the wheel hub transmits power to the planetary gear carrier, and the motor does not have resistance which influences the sliding of the electric vehicle; when the electric vehicle needs power generation auxiliary braking of the motor when going downhill, the control braking device clamps a planet gear carrier braking disc, a planet gear carrier in the motor is locked and can not rotate at the moment, and an inner rotor in the motor is driven by a wheel hub to rotate at a high speed to enable the motor to generate power;
the braking device of the electric vehicle brake disc is characterized in that the original braking device of the electric vehicle is connected with a left foot clutch pedal or a left hand clutch handle through a brake cable, and the brake is controlled by the clutch pedal or the left hand clutch handle.
CN202022365875.5U 2020-10-18 2020-10-22 Motor and electric vehicle with same Expired - Fee Related CN212486301U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202011114054 2020-10-18
CN2020111140542 2020-10-18

Publications (1)

Publication Number Publication Date
CN212486301U true CN212486301U (en) 2021-02-05

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ID=73655758

Family Applications (2)

Application Number Title Priority Date Filing Date
CN202022365875.5U Expired - Fee Related CN212486301U (en) 2020-10-18 2020-10-22 Motor and electric vehicle with same
CN202011136999.4A Withdrawn CN112072838A (en) 2020-10-18 2020-10-22 Motor and electric vehicle with same

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN202011136999.4A Withdrawn CN112072838A (en) 2020-10-18 2020-10-22 Motor and electric vehicle with same

Country Status (1)

Country Link
CN (2) CN212486301U (en)

Also Published As

Publication number Publication date
CN112072838A (en) 2020-12-11

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210205

Termination date: 20211022

CF01 Termination of patent right due to non-payment of annual fee