CN112803664A - Motor and electric vehicle with same - Google Patents
Motor and electric vehicle with same Download PDFInfo
- Publication number
- CN112803664A CN112803664A CN202110031259.2A CN202110031259A CN112803664A CN 112803664 A CN112803664 A CN 112803664A CN 202110031259 A CN202110031259 A CN 202110031259A CN 112803664 A CN112803664 A CN 112803664A
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- CN
- China
- Prior art keywords
- motor
- brake
- assembled
- shell
- planet gear
- 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.)
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Classifications
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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
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
-
- 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
- H02K7/003—Couplings; Details of shafts
-
- 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
-
- 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
- H02K7/1846—Rotary generators structurally associated with wheels or associated parts
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- 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)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
A motor and an electric vehicle provided with the motor are provided, the motor is divided into a front chamber and a rear chamber, the front chamber is provided with a part of a planetary gear (11) speed changing device, and the rear chamber is provided with a part of a stator and a rotor of the motor. A ball head (1) or a ball socket which is assembled and connected with the suspension is arranged on the motor shell (2), so that the motor and the automobile suspension are directly assembled; a bulb (3) or a ball socket which is connected and assembled with a steering mechanism is arranged on a shell (2) of the motor, so that the motor is directly assembled with the steering mechanism of the automobile, and when a steering wheel is rotated, the motor is firstly rotated by the steering mechanism and then the hub is driven by the motor to rotate for steering. At least one brake caliper (4) is fixedly assembled on a shell (2) of the motor, and the brake caliper (4) is fixed outside the motor shell and extends into the motor shell or fixed inside the motor shell and extends out of the motor shell.
Description
Technical Field
The invention relates to a motor and an electric vehicle, in particular to a hub motor and an electric vehicle with the same.
Background
Electric vehicles are gradually popularized, but electric vehicles in the market transmit power of a motor to a wheel hub through a differential mechanism through a front axle and a rear axle regardless of a single-motor style or a double-motor style, so that the structure is not only complicated, but also friction force is increased in power transmission to cause power loss.
Disclosure of Invention
The invention aims to solve the technical defects and provide a motor capable of being directly connected with a wheel hub and an electric vehicle provided with the motor.
In order to achieve the purpose, the invention adopts the following technical scheme.
The motor is divided into a front chamber and a rear chamber, the front chamber is provided with parts of the planetary gear speed change device, and the rear chamber is provided with parts of a stator and a rotor of the motor. The sun gear is fixedly assembled with a motor rotor shaft, a planetary gear carrier is assembled in a motor shell, the planetary gear is assembled on the planetary gear carrier and can rotate, a one-way clutch device is arranged on the planetary gear carrier, a motor output shaft and an outer gear ring are integrally or fixedly assembled, the outer gear ring is assembled with an end cover of a motor through an output shaft and a bearing, the end cover is fixedly assembled with a motor shell, the motor output shaft extends out of the end cover, a gap bridge disc is fixed on the output shaft extending out of the end cover, and a hub is fixedly assembled with the gap bridge disc.
A ball head or a ball socket which is assembled and connected with the suspension is arranged on the motor shell, so that the motor and the automobile suspension are directly assembled; a ball head or a ball socket which is connected and assembled with the steering mechanism is arranged on a shell of the motor, so that the motor is directly assembled with the steering mechanism of the automobile, and when a steering wheel is rotated, the motor is firstly rotated by the steering mechanism and then the hub is driven by the motor to rotate and steer.
At least one brake caliper is fixedly assembled on a shell of the motor, the brake caliper is fixed outside the motor shell and extends into the motor shell or fixed inside the motor shell and extends out of the motor shell, the principle of the brake caliper is similar to that of the existing brake caliper, namely, a hydraulic pump is utilized to push a piston to enable a brake pad to clamp or press a brake disc to prevent the brake disc from rotating. The brake caliper is characterized in that two piston cavities and two oil inlet connecting ports are arranged on one brake caliper side by side, two pistons and two brake pads are arranged on the other brake caliper side by side, an oil inlet of one brake pad is connected with a hydraulic pump through a hydraulic oil pipe and is controlled by a clutch pedal, an oil inlet of the other brake pad is connected with the hydraulic pump through the hydraulic oil pipe and is controlled by a brake pedal, the brake pad controlled by the clutch pedal brakes a planet gear carrier, and the brake pad controlled by the brake pedal brakes an outer gear ring.
The clutch pedal is stepped on when the automobile decelerates, so that the brake caliper brakes the planet gear carrier and the planet gear carrier can not rotate, the planet gear carrier has a one-way clutch function, the motor is allowed to drive the hub to rotate, the hub can not drive the motor to rotate only when the brake planet gear carrier can not rotate, the purpose of setting the brake caliper is to lock the planet gear carrier under the control of the clutch pedal so that the planet gear carrier can not rotate, the hub can drive the motor to rotate when the planet gear carrier is locked, the motor at the moment is changed into a generator by the driving motor, and on one hand, the auxiliary brake can generate electricity for continuation of the journey.
When the automobile is braked in emergency, the brake pedal is stepped to brake the outer gear ring by the brake calipers, so that the automobile is forcibly controlled to stop running. That is, the brake caliper brakes the planet gear carrier to generate power and brakes the outer gear ring to stop the automobile.
When the automobile is backed and the reverse gear is engaged, the controller transmits a signal to the motor to enable the motor to rotate reversely, transmits a signal to the electronic hydraulic pump to enable the electronic hydraulic pump to work and control the brake calipers to lock the planet gear carrier, and the electronic hydraulic pump is arranged on an oil path between the clutch pedal and the brake calipers.
During specific implementation, the two oil paths can be connected with the brake pedal, the intelligent distributor is assembled on the oil paths, the intelligent distributor controls hydraulic oil to flow to the piston cavity of the brake planet gear carrier by lightly stepping on the brake pedal, and the intelligent distributor controls hydraulic oil to flow to the piston cavity of the brake outer gear ring by violently stepping on the brake pedal.
In specific implementation, according to the speed change requirement, the sun gear is not necessarily in transmission connection with the motor, the outer ring gear is not necessarily in transmission connection with the hub, and the sun gear, the planet gear carrier and the outer ring gear of the planetary gear transmission all have the characteristic of split transmission The outer gear ring or the sun wheel replaces the existing brake calipers and brake discs braked by the brake calipers of the automobile.
The invention has the advantages.
1. The motor directly carries out power transmission with wheel hub, reduces the frictional resistance of spare part and improves motor efficiency.
2. The automobile is driven by four wheels when starting or climbing, and driven by two wheels or single wheel when running on a flat road, so that the electricity is saved and the endurance is prolonged.
3. Even if the motor of one wheel is burnt, the running of the trolley is not influenced.
4. Four can both carry out energy recuperation, prolong the continuation of journey.
5. The four wheels can utilize the resistance generated by the generator to assist braking, so that the high temperature of a brake pad generated by braking when the automobile descends a long slope is avoided, and the safety factor of the descending long slope is improved.
Drawings
The present invention will be further described in detail with reference to the accompanying drawings and embodiments.
Fig. 1 is a perspective view of the motor of the present invention.
Fig. 2 is a schematic perspective sectional view of the motor of the present invention.
Fig. 3 is an exploded perspective view of the motor of the present invention.
In the figure, a ball head (1) connected with a suspension, a motor shell (2), a ball head (3) connected with a steering mechanism, a brake caliper (4), an end cover (5), a bridge plate (6), a planet gear carrier (7), a planet gear carrier brake plate (8), an outer gear ring brake plate (9), an outer gear ring (10), a planet gear (11), a sun gear (12), an output shaft (13) and a rotor shaft (14).
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 motor is divided into a front chamber and a rear chamber, the front chamber is provided with parts of a planetary gear (11) speed changing device, and the rear chamber is provided with parts of a stator and a rotor of the motor. The sun gear (12) is fixedly assembled with a motor rotor shaft (14), a planet gear carrier (7) is assembled in a motor shell (2), a planet gear (11) is assembled on the planet gear carrier (7) and can rotate, a one-way clutch device is arranged on the planet gear carrier (7), a motor output shaft (13) and an outer gear ring (10) are integrated or fixedly assembled, the outer gear ring (10) is assembled with an end cover (5) of the motor through an output shaft (13) and a bearing, the end cover (5) is fixedly assembled with the motor shell (2), the motor output shaft (13) extends out of the end cover (5), a gap bridge plate (6) is fixed on the output shaft (13) extending out of the end cover (5), and a hub and the gap bridge plate (6) are fixedly assembled, so that the power of the motor is transmitted to the sun gear (12) through the rotor shaft (14), transmitted to the planet gear (11) through the sun gear (12), and transmitted to the outer gear ring gear (10, the outer gear ring (10) is transmitted to the intermediate disk (6) through an output shaft, and the intermediate disk (6) is transmitted to the hub.
A ball head (1) or a ball socket which is assembled and connected with the suspension is arranged on the motor shell (2), so that the motor and the automobile suspension are directly assembled; a bulb (3) or a ball socket which is connected and assembled with a steering mechanism is arranged on a shell (2) of the motor, so that the motor is directly assembled with the steering mechanism of the automobile, and when a steering wheel is rotated, the motor is firstly rotated by the steering mechanism and then the hub is driven by the motor to rotate for steering.
At least one brake caliper (4) is fixedly assembled on a shell (2) of the motor, the brake caliper (4) is fixed outside a motor shell and extends into the motor shell or fixed inside the motor shell and extends out of the motor shell, and the principle of the brake caliper (4) is similar to that of the existing brake caliper (4), namely a hydraulic pump is utilized to push a piston to enable a brake pad to clamp or press the brake disc so as not to rotate. The brake caliper (4) is characterized in that two piston cavities are arranged on one brake caliper (4) side by side, two oil inlet connectors are arranged, two pistons are connected with two brake pads (8) (9), an oil inlet of one brake pad (8) is connected with a hydraulic pump through a hydraulic oil pipe and is controlled by a clutch pedal, an oil inlet of one brake pad (9) is connected with the hydraulic pump through the hydraulic oil pipe and is controlled by the brake pedal, the brake pad (8) controlled by the clutch pedal brakes a planet gear carrier (7), and the brake pad (9) controlled by the brake pedal brakes an outer gear ring (10).
The clutch pedal is stepped on when the automobile decelerates, so that the brake caliper (4) brakes the planet gear carrier (7) and the planet gear carrier (7) can not rotate, the planet gear carrier (7) has a one-way clutch function, the motor is allowed to drive the hub to rotate, the hub can not drive the motor to rotate, only when the brake planet gear carrier (7) can not rotate, the hub can drive the motor to rotate, the brake caliper (4) is arranged to lock the planet gear carrier (7) to enable the planet gear carrier to not rotate under the control of the clutch pedal, the hub can drive the motor to rotate when the planet gear carrier (7) is locked, the motor at the moment is changed into a generator from the driving motor, and on one hand, the auxiliary brake can generate electricity and continue the journey.
When the automobile is braked in an emergency, a brake pedal is stepped to enable the brake caliper (4) to brake the outer gear ring (10), so that the automobile is forcibly controlled to stop running. Namely, the brake caliper (4) brakes the planet gear carrier (7) to enable the motor to generate power, and the brake caliper (4) brakes the outer gear ring (10) to enable the automobile to stop running.
When the automobile is backed and the reverse gear is engaged, the controller transmits a signal to the motor to enable the motor to rotate reversely, transmits a signal to the electronic hydraulic pump to enable the electronic hydraulic pump to work and control the brake calipers (4) to lock the planet gear carrier (7), and the electronic hydraulic pump is arranged on an oil path between the clutch pedal and the brake calipers (4).
During specific implementation, the two oil paths can be connected with the brake pedal, the intelligent distributor is assembled on the oil paths, the intelligent distributor controls hydraulic oil to flow to the piston cavity of the brake planet gear carrier (7) by lightly stepping on the brake pedal, and the intelligent distributor controls hydraulic oil to flow to the piston cavity of the brake outer gear ring (10) by violently stepping on the brake pedal.
In the concrete implementation, according to the speed change requirement, the sun gear (12) is not necessarily in transmission connection with the motor, the outer ring gear (10) is not necessarily in transmission connection with the hub, the sun gear (12), the planet carrier (7) and the outer ring gear (10) of the speed changer of the planet gear (11) have the characteristic of split transmission, according to the requirement of the speed change of the vehicle, according to the principle, the brake caliper (4) can brake the outer ring gear (10) for generating power of the motor, the brake planet carrier (7) is used for braking, the sun is also used for generating power of the motor, the sun is also used for braking, that is, the brake caliper (4) is used for braking the planet carrier (7), the outer ring gear (10) or the sun gear (12), and when the planet carrier (7), the outer ring gear (10) or the sun gear (12) is braked, on one hand, the clutch for transmitting the back and forth power between the motor, on one hand, the brake disc is used for braking the automobile, namely the brake caliper (4) arranged on the motor shell and a planet gear carrier (7), an outer gear ring (10) or a sun gear (12) braked by the brake caliper (4) are used for replacing the existing brake disc braked by the brake caliper (4) and the brake caliper (4) of the automobile.
Claims (10)
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 output shaft of the motor extends out of the end cover, the gap bridge disc is fixed on the output shaft extending out of the end cover, and the hub and the gap bridge disc are fixedly assembled;
a ball head or a ball socket which is assembled and connected with the suspension is arranged on the motor shell, so that the motor and the automobile suspension are directly assembled;
the brake caliper is fixedly assembled on a shell of the motor, the brake caliper is fixed outside the motor shell and extends into the motor shell or fixed inside the motor shell and extends out of the motor shell, and the brake caliper is used for braking a planet gear carrier, an outer gear ring or a sun gear.
2. An electric machine as claimed in claim 1, characterized in that: a ball head or a ball socket which is connected and assembled with the steering mechanism is arranged on a shell of the motor, so that the motor is directly assembled with the steering mechanism of the automobile, and when a steering wheel is rotated, the motor is firstly rotated by the steering mechanism and then the hub is driven by the motor to rotate and steer.
3. An electric machine as claimed in claim 1, characterized in that: the motor is divided into a front chamber and a rear chamber, the front chamber is provided with parts of the planetary gear speed change device, and the rear chamber is provided with parts of a stator and a rotor of the motor.
4. An electric machine as claimed in claim 1, characterized in that: two piston cavities, two oil inlet connecting ports, two pistons and two brake pads are arranged on one brake caliper side by side.
5. An electric machine as claimed in claim 1 or 4, characterized in that: the oil inlet of one brake piece is connected with the hydraulic pump through a hydraulic oil pipe and is controlled by a clutch pedal, and the oil inlet of the other brake piece is connected with the hydraulic pump through the hydraulic oil pipe and is controlled by a brake pedal.
6. An electrical machine according to claim 1, 4 or 5, wherein: the planet gear carrier is braked by a brake plate controlled by a clutch pedal, and the outer gear ring is braked by the brake plate controlled by a brake pedal.
7. An electric machine as claimed in claim 1, characterized in that: when the automobile is backed and the reverse gear is engaged, the controller transmits a signal to the motor to enable the motor to rotate reversely, transmits a signal to the electronic hydraulic pump to enable the electronic hydraulic pump to work and control the brake calipers to lock the planet gear carrier, and the electronic hydraulic pump is arranged on an oil path between the clutch pedal and the brake calipers.
8. An electric machine as claimed in claim 1 or 4, characterized in that: the two oil paths are connected with a brake pedal, an intelligent distributor is assembled on the oil paths, the intelligent distributor controls hydraulic oil to flow to a piston cavity of a brake planet gear carrier by lightly stepping on the brake pedal, and the intelligent distributor controls hydraulic oil to flow to a piston cavity of a brake outer gear ring by violently stepping on the brake pedal.
9. An electric machine as claimed in claim 1, characterized in that: the sun gear is fixedly assembled with a motor rotor shaft, the planet gear carrier is assembled in a motor shell, the planet gear is assembled on the planet gear carrier and can rotate, the planet gear carrier is provided with a one-way clutch device, a motor output shaft and an outer gear ring are integrated or fixedly assembled, the outer gear ring is assembled with an end cover of a motor through an output shaft and a bearing, and the end cover is fixedly assembled with a motor shell.
10. An electric vehicle equipped with the transmission of claim 1, including an electric bicycle, an electric motorcycle, and an electric automobile, characterized in that: the electric vehicle is equipped with the motor of claim 1.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022315719 | 2020-10-18 | ||
| CN2020223157198 | 2020-10-18 | ||
| CN202022740106 | 2020-11-24 | ||
| CN2020227401069 | 2020-11-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112803664A true CN112803664A (en) | 2021-05-14 |
Family
ID=75809765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110031259.2A Withdrawn CN112803664A (en) | 2020-10-18 | 2021-01-11 | Motor and electric vehicle with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112803664A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115258984A (en) * | 2022-09-19 | 2022-11-01 | 杭州未名信科科技有限公司 | A gyration power module assembly and intelligent tower crane for intelligent tower crane |
-
2021
- 2021-01-11 CN CN202110031259.2A patent/CN112803664A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115258984A (en) * | 2022-09-19 | 2022-11-01 | 杭州未名信科科技有限公司 | A gyration power module assembly and intelligent tower crane for intelligent tower crane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210514 |
|
| WW01 | Invention patent application withdrawn after publication |