CN113830039A - Motor braking speed reduction equipment for electric scooter based on new energy - Google Patents
Motor braking speed reduction equipment for electric scooter based on new energy Download PDFInfo
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- CN113830039A CN113830039A CN202111293927.5A CN202111293927A CN113830039A CN 113830039 A CN113830039 A CN 113830039A CN 202111293927 A CN202111293927 A CN 202111293927A CN 113830039 A CN113830039 A CN 113830039A
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- 230000009467 reduction Effects 0.000 title claims description 6
- 230000001360 synchronised effect Effects 0.000 claims abstract description 41
- 230000000694 effects Effects 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000008569 process Effects 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims description 24
- 230000006835 compression Effects 0.000 claims description 18
- 238000007906 compression Methods 0.000 claims description 18
- 238000001125 extrusion Methods 0.000 claims description 16
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 238000011084 recovery Methods 0.000 claims description 8
- 230000001965 increasing effect Effects 0.000 claims description 5
- 230000000670 limiting effect Effects 0.000 claims description 4
- 238000004064 recycling Methods 0.000 claims description 3
- 230000000979 retarding effect Effects 0.000 claims description 2
- 230000002829 reductive effect Effects 0.000 abstract description 3
- 238000005299 abrasion Methods 0.000 abstract description 2
- 230000036961 partial effect Effects 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002498 deadly effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/06—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
- B60T1/062—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels acting on transmission parts
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- 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
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
- B60T13/746—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive and mechanical transmission of the braking action
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention relates to the field of new energy, in particular to a motor braking and speed reducing device for an electric scooter based on new energy, which comprises a motor fixing seat, a permanent magnet synchronous motor, an axle, an electric push rod and the like; the permanent magnet synchronous motor is fixedly mounted on the bottom surface inside the motor fixing seat, an axle is rotatably connected onto the motor fixing seat, the axle penetrates through the motor fixing seat and the permanent magnet synchronous motor, the axle is fixedly connected with a rotor inside the permanent magnet synchronous motor, and an electric push rod is fixedly connected to the left portion above the motor fixing seat. When a driver further increases the force of stepping on the brake pedal in the cab, the telescopic friction plate can limit the rotation of the fixed ratchet wheel to slow down the rotating speed of the fixed ratchet wheel, and meanwhile, the ratchet wheel braking plate can further limit the fixed ratchet wheel to assist the external brake to brake, so that the emergency brake effect can be achieved, the abrasion of the external brake is effectively reduced, and the safety of the brake process is ensured.
Description
Technical Field
The invention relates to the field of new energy, in particular to a motor braking and speed reducing device for an electric scooter based on new energy.
Background
With the rise of new energy vehicles, the braking system of the vehicle is changed silently, the braking refers to a mechanical braking device capable of slowing down the speed of the vehicle, all vehicles are tightly attached to the rotating part of the vehicle through a wear-resistant brake pad, the rotating part is stopped by friction force, the braking system of the new energy vehicle comprises a service braking system, a parking braking system and an auxiliary braking system at present, and the braking system is very important in the driving process.
In present new forms of energy market, the braking system of most products has been equipped with corresponding energy recuperation system, but the motor that traditional braking system adopted is ordinary motor mostly, ordinary motor is as power, need add the generator and carry out the reutilization of energy, space utilization is low, and prior art mostly all relies on external tire brake and brake disc brake, external tire brake wears easily after using for a long time with the brake disc, the power that leads to the braking of new forms of energy car is not enough, there is the potential safety hazard.
Disclosure of Invention
Therefore, in order to solve the above problems, it is necessary to provide a motor braking deceleration device for an electric scooter based on new energy, which can effectively increase the braking guarantee to ensure the braking safety and can recycle and utilize the energy, so as to solve the problems of potential safety hazards and the need of adding a generator to perform secondary utilization of the energy in the prior art.
The technical scheme is as follows: the utility model provides an automobile-used motor braking retarding device of riding instead of walk based on new forms of energy, including the motor fixing base, still including permanent magnet synchronous motor, axletree, electric putter, braking deceleration energy recuperation subassembly and one-level friction braking subassembly: the permanent magnet synchronous motor is fixedly arranged on the bottom surface inside the motor fixing seat and used for converting kinetic energy into electric energy; the motor fixing seat is rotatably connected with an axle, the axle penetrates through the motor fixing seat and is fixedly connected with the permanent magnet synchronous motor, and the axle is fixedly connected with a rotor in the permanent magnet synchronous motor; the left part above the motor fixing seat is fixedly connected with an electric push rod which is used for providing power for braking the new energy electric scooter for equipment; the motor fixing seat is provided with a braking deceleration energy recovery assembly, and the braking deceleration energy recovery assembly is used for braking the new energy electric scooter to decelerate the new energy electric scooter and recycling kinetic energy generated in the deceleration process; the permanent magnet synchronous motor is provided with the first-stage friction braking assembly, so that the system effect of the equipment is better under the operation of the first-stage friction braking assembly, and the effect of increasing the safety guarantee in the braking process is achieved.
As further preferred scheme, braking speed reduction energy recuperation subassembly is including the fixed column, trigger the clamp plate, fixed circle frame, converter control lever and compression spring one, motor fixing base top of the outsides rigid coupling has a pair of fixed column, electric putter telescopic shaft tip right side rigid coupling has the trigger clamp plate, trigger the clamp plate and fixed column slidable formula cooperation, motor fixing base top of the outsides rigid coupling has fixed circle frame, fixed circle frame upper portion slidable connection has the converter control lever, be connected with compression spring one between converter control lever and the motor fixing base.
As a further preferred scheme, the primary friction braking component comprises a pressure lever, an installation friction cavity, a fixed guide frame, a friction concave-convex plate, a first extrusion spring and a return spring, wherein the right side of the top of a motor fixing seat is connected with a pair of pressure levers in a sliding way, the right part of a permanent magnet synchronous motor is fixedly provided with the installation friction cavity, the installation friction cavity is connected with the pressure levers in a sliding way, the pressure levers penetrate through the installation friction cavity, the bottom of the installation friction cavity is symmetrically connected with the fixed guide frame in a sliding way, the fixed guide frame is positioned in the installation friction cavity, the lower part of the fixed guide frame penetrates through the installation friction cavity, the top surface of the fixed guide frame positioned at the front side is fixedly connected with the pressure lever positioned at the front side, the top surface of the fixed guide frame positioned at the rear side is fixedly connected with the pressure lever positioned at the rear side, the friction concave-convex plates are all connected on the fixed guide frame in a sliding way, the two friction concave-convex plates are symmetrical, and the first four extrusion springs are connected between the friction concave-convex plate and the fixed guide frame, and a return spring is connected between the fixed guide frame and the installation friction cavity.
As a further preferable scheme, the side, close to each other, of the two friction concave-convex plates adopts transverse patterns for increasing the friction force between the friction concave-convex plates and the axle and playing a role in improving the effect of the system.
As a further preferred scheme, the brake device further comprises a second-stage friction braking component, the second-stage friction braking component is arranged on the motor fixing seat and comprises a fixed Y-shaped plate, a movable rod, a torsion spring, a fixed ratchet wheel, a fixed groove poking plate, a telescopic friction plate, a homing spring, a movable pull rod, a movable pull plate and a second extrusion spring, a pair of fixed Y-shaped plates are fixedly connected to the left side of the inner top of the motor fixing seat, the two fixed Y-shaped plates are arranged in a staggered manner, the lower part of the fixed Y-shaped plate is rotatably connected with the movable rod, the movable rod is rotatably connected with the motor fixing seat, the torsion spring is connected between the movable rod and the fixed Y-shaped plate, a pair of fixed ratchet wheels are fixedly connected to the left part of the axle, the directions of the ratchets of the two fixed ratchet wheels are opposite, the fixed groove poking plate is fixedly connected to the movable rod, the fixed groove poking plate is positioned between the fixed Y-shaped plate and the motor fixing seat, and the telescopic friction plate is slidably connected to the fixed groove plate, a return spring is connected between the telescopic friction plate and the fixed groove poking plate, a movable pull rod is rotatably connected to the telescopic friction plate and penetrates through the motor fixing seat, the movable pull rod is in sliding fit with the motor fixing seat, a movable pull plate is slidably connected to the electric push rod telescopic shaft and is in sliding fit with the movable pull rod, and an extrusion spring II is connected between the movable pull plate and the electric push rod telescopic shaft.
As a further preferred scheme, the ratchet stopping device further comprises a ratchet stopping component, the ratchet stopping component is arranged on the motor fixing seat and comprises a fixed guide plate, a movable convex rod, a second compression spring, a ratchet stopping plate and a buffer spring, a pair of fixed guide plates are fixedly connected to the left side of the motor fixing seat, the two fixed guide plates are symmetrical, the lower portion of each fixed guide plate is slidably connected with the movable convex rod, the second compression spring is connected between the movable convex rod and the corresponding fixed guide plate, the lower portion of each fixed guide plate is slidably connected with the ratchet stopping plate, the ratchet stopping plate is located below the corresponding fixed ratchet, and the buffer springs are symmetrically connected between the ratchet stopping plate and the corresponding fixed guide plates.
As a further preferable scheme, ratchets opposite to the fixed ratchet are arranged above the ratchet stopping plate on the same side, and the ratchet stopping plate is used for limiting the rotation of the fixed ratchet.
As a further preferable scheme, the motor fixing seat further comprises a capacitance type speed reducing element, and the front side of the bottom in the motor fixing seat is fixedly connected with three capacitance type speed reducing elements in a linear distributed mode.
As a further preferable scheme, the permanent magnet synchronous motor further comprises a temperature sensor, and the temperature sensor is arranged above the rear side of the permanent magnet synchronous motor.
Compared with the prior art, the invention has the following advantages:
1. the driver steps on the dynamics of brake pedal in the driver's cabin through the increase foot, and the rotation of device on the axletree can be restricted to the friction buckle slab for the speed that new forms of energy electric vehicle of riding instead of walk gos forward further slows down, has increased the braking guarantee, thereby reaches better braking effect.
2. When a driver further increases the force of stepping on the brake pedal in the cab, the telescopic friction plate can limit the rotation of the fixed ratchet wheel to slow down the rotating speed of the fixed ratchet wheel, and meanwhile, the ratchet wheel braking plate can further limit the fixed ratchet wheel to assist the external brake to brake, so that the emergency brake effect can be achieved, the abrasion of the external brake is effectively reduced, and the safety of the brake process is ensured.
3. Through the cooperation of buffer spring and device above, can play the effect of buffering, reduce the damage that ratchet braking board received when emergency brake, avoid fixed ratchet to be blocked deadly simultaneously, effectively guaranteed the steady operation of this equipment.
4. In the process of decelerating the new-energy electric scooter, part of running kinetic energy can be recycled into the permanent magnet synchronous motor, and the permanent magnet synchronous motor can convert the part of kinetic energy into electric energy, so that the aim of recycling and utilizing energy is fulfilled.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention.
Fig. 2 is a schematic perspective view of a second embodiment of the present invention.
Fig. 3 is a third perspective view of the present invention.
Fig. 4 is a schematic perspective view of the braking deceleration energy recovery assembly of the present invention.
FIG. 5 is a schematic perspective view, partially in section, of a primary friction brake assembly according to the present invention.
FIG. 6 is a schematic cross-sectional perspective view of the primary friction brake assembly of the present invention.
FIG. 7 is a perspective view of a portion of the primary friction brake assembly of the present invention.
Fig. 8 is a schematic perspective view of a friction relief plate according to the present invention.
FIG. 9 is a schematic view of a first partially assembled body of the two-stage friction brake assembly of the present invention.
FIG. 10 is a schematic view of a first partial body structure according to the present invention.
FIG. 11 is a schematic view of a second partial body structure according to the present invention.
FIG. 12 is a schematic view of a second partial body construction of the two-stage friction brake assembly of the present invention.
Fig. 13 is an enlarged perspective view of the present invention a.
FIG. 14 is a perspective view of a third partial structure of the two-stage friction brake assembly of the present invention.
FIG. 15 is a perspective view of the ratchet brake assembly of the present invention.
Wherein the figures include the following reference numerals: 1. a motor fixing seat, 2, a permanent magnet synchronous motor, 3, an axle, 4, an electric push rod, 5, a braking deceleration energy recovery assembly, 51, a fixing column, 52, a trigger pressing plate, 53, a fixing round frame, 54, a frequency converter control rod, 55, a first compression spring, 6, a first-stage friction braking assembly, 61, a pressing rod, 62, a mounting friction cavity, 63, a fixing guide frame, 64, a friction concave-convex plate, 65, a first extrusion spring, 66, a reset spring, 7, a second-stage friction braking assembly, 71, a fixing Y-shaped plate, 72, a movable rod, 721, a torsion spring, 73, a fixing ratchet wheel, 74, a fixing groove shifting plate, 75, a telescopic friction plate, 751, a homing spring, 76, a movable pull rod, 77, a movable pull plate, 78, a second extrusion spring, 8, a ratchet wheel stopping assembly, 81, a fixing guide plate, 82, a movable convex rod, 83, a second compression spring, 84 and a ratchet wheel stopping plate, 85. buffer spring, 9, capacitive deceleration element, 10, temperature sensor.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Example 1
A motor braking and decelerating device for an electric scooter based on new energy is disclosed, as shown in figure 1, figure 2, figure 3, figure 4, figure 5, figure 6, figure 7, figure 8 and figure 10, comprising a motor fixing seat 1, a permanent magnet synchronous motor 2, an axle 3, an electric push rod 4, a braking and decelerating energy recovery assembly 5 and a first-stage friction braking assembly 6, wherein the permanent magnet synchronous motor 2 is fixedly arranged on the bottom surface inside the motor fixing seat 1, the permanent magnet synchronous motor 2 is used for converting kinetic energy into electric energy, the axle 3 is rotatably connected on the motor fixing seat 1, the axle 3 passes through the motor fixing seat 1 and the permanent magnet synchronous motor 2, the axle 3 is fixedly connected with a rotor inside the permanent magnet synchronous motor 2, the electric push rod 4 used for driving is fixedly connected on the left part above the motor fixing seat 1, the motor fixing seat 1 is provided with the braking and decelerating energy recovery assembly 5 used for braking the electric scooter based on new energy and recovering kinetic energy, the permanent magnet synchronous motor 2 is provided with a first-stage friction braking component 6, and the first-stage friction braking component 6 is used for enhancing the system effect.
Braking speed reduction energy recuperation subassembly 5 is including fixed column 51, trigger pressing plate 52, fixed circle frame 53, a converter control lever 54 and compression spring 55, 1 external top rigid coupling of motor fixing base has a pair of fixed column 51, 4 telescopic shaft tip right side rigid couplings of electric putter has trigger pressing plate 52, trigger pressing plate 52 has the characteristics that hardness is big, trigger pressing plate 52 and fixed column 51 sliding type cooperation, 1 external top rigid coupling of motor fixing base has fixed circle frame 53, fixed circle frame 53 upper portion sliding type connection has the converter control lever 54 that is used for controlling outside converter to stop to permanent magnet synchronous motor 2 transmission current, be connected with compression spring 55 between converter control lever 54 and the motor fixing base 1.
The first-stage friction brake assembly 6 comprises a press rod 61, an installation friction cavity 62, a fixed guide frame 63, a friction concave-convex plate 64, a first extrusion spring 65 and a return spring 66, wherein the right side of the top of the motor fixing seat 1 is connected with a pair of press rods 61 in a sliding manner, the right part of the permanent magnet synchronous motor 2 is fixedly provided with an installation friction cavity 62, the installation friction cavity 62 is connected with the press rods 61 in a sliding manner, the press rods 61 penetrate through the installation friction cavity 62, the bottom of the installation friction cavity 62 is symmetrically connected with the fixed guide frame 63 in a sliding manner, the fixed guide frame 63 is in a rectangular structure, the fixed guide frame 63 is positioned inside the installation friction cavity 62, the lower part of the fixed guide frame 63 penetrates through the installation friction cavity 62, the top surface of the fixed guide frame 63 positioned on the front side is fixedly connected with the press rod 61 positioned on the front side, the top surface of the fixed guide frame 63 positioned on the rear side is fixedly connected with the press rod 61 positioned on the rear side, and the friction concave-convex plate 64 is slidably connected on the fixed guide frame 63, the friction concave-convex plate 64 is in a trapezoidal structure, the friction concave-convex plate 64 is used for limiting the axle 3, the two friction concave-convex plates 64 are symmetrical, a four-extrusion spring 65 is connected between the friction concave-convex plate 64 and the fixed guide frame 63, and a return spring 66 is connected between the fixed guide frame 63 and the installation friction cavity 62.
The equipment is arranged at the rear part of a vehicle body of a new energy electric scooter, the left end and the right end of an axle 3 are fixedly connected with wheels of the new energy electric scooter, in the advancing process of the new energy electric scooter, the wheels can drive the axle 3 and an upper device thereof to reverse, when the new energy electric scooter needs to stop advancing, a driver steps on a brake pedal by feet, an external control system controls an electric push rod 4 to contract, the electric push rod 4 can drive a trigger press plate 52 to move downwards, the trigger press plate 52 can press a voltage inverter control rod 54, the frequency inverter control rod 54 can control an external frequency inverter to stop transmitting current to a permanent magnet synchronous motor 2, the permanent magnet synchronous motor 2 stops rotating after being powered off under the cooperation of an external brake, then the driver releases the brake pedal, the external control system controls the electric push rod 4 to extend and reset, and the new energy electric scooter can decelerate firstly under the action of inertia, then the advance is completely stopped, part of the running kinetic energy can be recovered into the permanent magnet synchronous motor 2 in the process, the kinetic energy is converted into electric energy through the permanent magnet synchronous motor 2, the electric energy can be used for supplying power for the new energy electric scooter to run again, when the time required by the deceleration of the new energy electric scooter needs to be reduced, a driver steps on a brake pedal with great force, an external control system controls the electric push rod 4 to contract for a longer distance, the trigger pressing plate 52 can press the inverter control rod 54 to move downwards, the compression spring I55 can be compressed accordingly, the trigger pressing plate 52 can press the pressing rod 61 and the upper device thereof to move downwards, the reset spring 66 can be compressed accordingly, through the matching of the friction concave-convex plate 64 and the compression spring I65, the friction concave-convex plate 64 can be tightly attached to the axle 3, so that the friction concave-convex plate 64 limits the axle 3, and through the matching of the external brake and the friction concave-convex plate 64, therefore, the axle 3 and the device on the axle do not rotate any more, then a driver releases the brake pedal, and the external control system controls the electric push rod 4 to extend and reset so as to achieve the purpose of braking.
Example 2
Based on embodiment 1, as shown in fig. 9, 11, 12, 13 and 14, the present invention further includes a second-stage friction braking assembly 7, the second-stage friction braking assembly 7 is disposed on the motor fixing base 1, the second-stage friction braking assembly 7 is used for further enhancing the braking effect, the second-stage friction braking assembly 7 includes a fixed Y-shaped plate 71, a movable rod 72, a torsion spring 721, a fixed ratchet 73, a fixed groove-shifting plate 74, a telescopic friction plate 75, a return spring 751, a movable pull rod 76, a movable pull plate 77 and a second extrusion spring 78, a pair of fixed Y-shaped plates 71 is fixedly connected to the left side of the top inside of the motor fixing base 1, the two fixed Y-shaped plates 71 are disposed in a staggered manner, the movable rod 72 is rotatably connected to the lower portion of the fixed Y-shaped plate 71, the movable rod 72 is rotatably connected to the motor fixing base 1, a torsion spring 721 for driving the movable rod 72 and the upper portion thereof to rotate is connected between the movable rod 72 and the fixed Y-shaped plate 71, a pair of fixed ratchets 73 are fixedly connected to the left part of the axle 3, the ratchets of the two fixed ratchets 73 are opposite in direction, a fixed groove shifting plate 74 is fixedly connected to the movable rod 72, a sliding groove is formed in one side, away from the movable rod 72, of the fixed groove shifting plate 74, the fixed groove shifting plate 74 is positioned between the fixed Y-shaped plate 71 and the motor fixing seat 1, a telescopic friction plate 75 is slidably connected to the fixed groove shifting plate 74, a homing spring 751 is connected between the telescopic friction plate 75 and the fixed groove shifting plate 74, through the cooperation of the telescopic friction plate 75 and the homing spring 751, the telescopic friction plate 75 can contact with the fixed ratchet wheel 73, the telescopic friction plate 75 is rotatably connected with the movable pull rod 76, the movable pull rod 76 passes through the motor fixing seat 1, the movable pull rod 76 is in sliding fit with the motor fixing seat 1, the telescopic shaft of the electric push rod 4 is slidably connected with the movable pull plate 77, the movable pull plate 77 is in sliding fit with the movable pull rod 76, and a second extrusion spring 78 is connected between the movable pull plate 77 and the telescopic shaft of the electric push rod 4.
When an emergency brake is needed, the driver further increases the force of stepping on the brake pedal, the electric push rod 4 contracts for a longer distance, the electric push rod 4 does not extrude the second extrusion spring 78 any more, the compressed second extrusion spring 78 is restored, at this time, the movable pull rod 76 on the left side does not move upwards, the compressed torsion spring 721 on the left side is restored and drives the movable rod 72 on the left side and the device thereon to rotate, through the cooperation of the telescopic friction plate 75 on the left side and the return spring 751 on the left side, the telescopic friction plate 75 on the left side is in contact fit with the fixed ratchet 73 on the left side, under the fit of the external brake, the rotating speed of the fixed ratchet 73 on the left side and the device thereon is gradually slowed, then the fixed ratchet 73 on the left side and the device thereon stop rotating, and thereby the new energy electric scooter stops, when a driver looses the brake pedal, the movable rod 72 positioned on the left side and the device on the movable rod can reset reversely, when the vehicle backs, the driver can step on the brake pedal by foot with effort, the rotating speed of the fixed ratchet wheel 73 positioned on the right side and the device on the fixed ratchet wheel can be slower and slower, and the better brake effect can be achieved.
Example 3
On the basis of embodiment 2, as shown in fig. 15, the braking device further comprises a ratchet braking assembly 8, the ratchet braking assembly 8 is disposed on the motor fixing base 1, the ratchet braking assembly 8 is suitable for emergency braking, the ratchet braking assembly 8 comprises a fixed guide plate 81, a movable protruding rod 82, a second compression spring 83, a ratchet braking plate 84 and a buffer spring 85, a pair of fixed guide plates 81 is fixedly connected to the left side of the motor fixing base 1, the fixed guide plates 81 are in an H-shaped structure, the two fixed guide plates 81 are symmetrical, the movable protruding rod 82 is slidably connected to the lower portion of the fixed guide plates 81, the second compression spring 83 is connected between the movable protruding rod 82 and the fixed guide plates 81, the movable protruding rod 82 and the upper portion of the movable protruding rod 82 reciprocate back and forth through the cooperation of the telescopic friction plate 75, the movable protruding rod 82 and the second compression spring 83, the ratchet braking plate 84 for intermittently locking the fixed ratchet 73 is slidably connected to the lower portion of the fixed guide plates 81, the ratchet stopping plate 84 is positioned below the fixed ratchet 73, buffer springs 85 are symmetrically connected between the ratchet stopping plate 84 and the fixed guide plate 81, and the buffer springs 85 play a role in buffering.
In the process that the fixed ratchet wheel 73 on the left side pushes the telescopic friction plate 75 on the left side to reciprocate, the moving convex rod 82 on the left side and the compression spring II 83 on the left side are matched, the moving convex rod 82 and the device on the moving convex rod 82 on the left side reciprocate back and forth, the ratchet braking plate 84 on the left side reciprocates up and down through the matching of the moving convex rod 82 on the left side and the ratchet braking plate 84, so that the fixed ratchet wheel 73 on the left side can be intermittently clamped by the ratchet braking plate 84 on the left side, the buffer spring 85 plays a role of buffering, under the matching of the external brake, the rotating speed of the fixed ratchet wheel 73 and the device on the fixed ratchet wheel 73 can be further slowed down to achieve a better emergency braking effect, when a driver backs the vehicle, the driver can also forcefully step on the brake pedal, and the ratchet braking plate 84 on the right side can intermittently clamp the fixed ratchet wheel 73 on the right side, and a better emergency braking effect is achieved.
Example 4
On the basis of embodiment 3, as shown in fig. 2, the braking device further includes a capacitive deceleration element 9, three capacitive deceleration elements 9 are fixedly connected to the front side of the bottom portion in the motor fixing base 1 in a linearly distributed manner, and the capacitive deceleration elements 9 are used for improving the braking effect.
Through the capacitive decelerating element 9, a direct-current magnetic field is generated in the permanent magnet synchronous motor 2, and the rotor in the permanent magnet synchronous motor 2 is braked under the action of the direct-current magnetic field, so that the braking effect is good.
Example 5
On the basis of embodiment 4, as shown in fig. 4, the temperature sensor 10 is further included, the temperature sensor 10 is disposed above the rear side of the permanent magnet synchronous motor 2, and the temperature sensor 10 is used for sensing heat generated by the operation of the permanent magnet synchronous motor 2.
The temperature sensor 10 is used for sensing heat generated by the operation of the permanent magnet synchronous motor 2 in real time and feeding information back to an external control system, and when the temperature of the equipment is too high, a driver can conveniently and timely perform cooling treatment.
In the description of the present invention, unless otherwise specified, "plurality" means two or more, and the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Claims (9)
1. The utility model provides an automobile-used motor braking retarding equipment rides instead of walk based on new forms of energy, including motor fixing base (1), its characterized in that: still including permanent magnet synchronous motor (2), axletree (3), electric putter (4), braking speed reduction energy recuperation subassembly (5) and one-level friction braking subassembly (6): the permanent magnet synchronous motor (2) is fixedly installed on the bottom surface inside the motor fixing seat (1), and the permanent magnet synchronous motor (2) is used for converting kinetic energy into electric energy; the motor fixing seat (1) is rotatably connected with an axle (3), the axle (3) penetrates through the motor fixing seat (1) and the permanent magnet synchronous motor (2), and the axle (3) is fixedly connected with a rotor in the permanent magnet synchronous motor (2); the left part above the motor fixing seat (1) is fixedly connected with an electric push rod (4), and the electric push rod (4) is used for providing power for braking the new energy electric scooter for equipment; the motor fixing seat (1) is provided with a braking deceleration energy recovery assembly (5), and the braking deceleration energy recovery assembly (5) is used for braking the new energy electric scooter to decelerate and recycling kinetic energy generated in the deceleration process; the permanent magnet synchronous motor (2) is provided with the first-stage friction braking assembly (6), the system effect of the equipment is better under the operation of the first-stage friction braking assembly (6), and the effect of increasing the safety guarantee in the braking process is achieved.
2. The motor braking and decelerating device for the electric scooter based on new energy as claimed in claim 1, wherein: braking speed reduction energy recuperation subassembly (5) is including fixed column (51), trigger pressing plate (52), fixed circle frame (53), converter control lever (54) and compression spring (55), motor fixing base (1) outer top rigid coupling has a pair of fixed column (51), electric putter (4) telescopic shaft tip right side rigid coupling has trigger pressing plate (52), trigger pressing plate (52) and fixed column (51) slidingtype cooperation, motor fixing base (1) outer top rigid coupling has fixed circle frame (53), fixed circle frame (53) upper portion sliding connection has converter control lever (54), be connected with compression spring (55) between converter control lever (54) and motor fixing base (1).
3. The motor braking and decelerating device for the electric scooter based on new energy as claimed in claim 2, wherein: the first-stage friction brake assembly (6) comprises a pressure lever (61), an installation friction cavity (62), a fixed guide frame (63), a friction concave-convex plate (64), an extrusion spring I (65) and a return spring (66), wherein the right side of the top of a motor fixing seat (1) is connected with a pair of pressure levers (61) in a sliding manner, the right part of a permanent magnet synchronous motor (2) is fixedly provided with the installation friction cavity (62), the installation friction cavity (62) is connected with the pressure levers (61) in a sliding manner, the pressure levers (61) penetrate through the installation friction cavity (62), the bottom of the installation friction cavity (62) is symmetrically connected with the fixed guide frame (63) in a sliding manner, the fixed guide frame (63) is positioned inside the installation friction cavity (62), the lower part of the fixed guide frame (63) penetrates through the installation friction cavity (62), the top surface of the fixed guide frame (63) positioned on the front side is fixedly connected with the pressure lever (61) positioned on the front side, the top surface of the fixed guide frame (63) positioned on the rear side is fixedly connected with the pressure lever (61) positioned on the rear side, all be connected with friction buckle slab (64) on fixed guide frame (63) slidingly, two friction buckle slabs (64) are symmetrical, are connected with four extrusion spring one (65) between friction buckle slab (64) and fixed guide frame (63), are connected with reset spring (66) between fixed guide frame (63) and installation friction cavity (62).
4. The motor braking and decelerating device for the electric scooter based on new energy as claimed in claim 3, wherein: one side of the two friction concave-convex plates (64) close to each other adopts transverse patterns for increasing the friction force between the friction concave-convex plates (64) and the axle (3) and playing a role in improving the system effect.
5. The motor braking and decelerating device for the electric scooter based on new energy as claimed in claim 3, wherein: the automobile brake device is characterized by further comprising a second-stage friction brake component (7), wherein the second-stage friction brake component (7) is arranged on the motor fixing seat (1), the second-stage friction brake component (7) comprises a fixed Y-shaped plate (71), a movable rod (72), a torsion spring (721), a fixed ratchet wheel (73), a fixed groove shifting plate (74), a telescopic friction plate (75), a homing spring (751), a movable pull rod (76), a movable pull plate (77) and an extrusion spring II (78), a pair of fixed Y-shaped plates (71) is fixedly connected to the left side of the inner top of the motor fixing seat (1), the two fixed Y-shaped plates (71) are arranged in a staggered mode, the lower portion of each fixed Y-shaped plate (71) is rotatably connected with the movable rod (72), the movable rod (72) is rotatably connected with the motor fixing seat (1), the torsion spring (721) is connected between the movable rod (72) and the fixed Y-shaped plate (71), a pair of fixed ratchet wheels (73) is fixedly connected to the left portion of the axle (3), the ratchet directions of the two fixed ratchets (73) are opposite, a fixed groove shifting plate (74) is fixedly connected to the movable rod (72), the fixed groove shifting plate (74) is located between the fixed Y-shaped plate (71) and the motor fixing seat (1), a telescopic friction plate (75) is connected to the fixed groove shifting plate (74) in a sliding mode, a homing spring (751) is connected between the telescopic friction plate (75) and the fixed groove shifting plate (74), a movable pull rod (76) is connected to the telescopic friction plate (75) in a rotating mode, the movable pull rod (76) penetrates through the motor fixing seat (1), the movable pull rod (76) is matched with the motor fixing seat (1) in a sliding mode, a movable pull plate (77) is connected to the telescopic shaft of the electric push rod (4) in a sliding mode, the movable pull plate (77) is matched with the movable pull rod (76) in a sliding mode, and a second extrusion spring (78) is connected between the movable pull plate (77) and the telescopic shaft of the electric push rod (4).
6. The motor braking and decelerating device for the electric scooter based on new energy as claimed in claim 5, wherein: still including ratchet system stop subassembly (8), ratchet system stop subassembly (8) is located on motor fixing base (1), ratchet system stop subassembly (8) is including fixed baffle (81), remove nose bar (82), compression spring two (83), ratchet system stop board (84) and buffer spring (85), motor fixing base (1) left side rigid coupling has a pair of fixed baffle (81), two fixed baffle (81) are symmetrical, fixed baffle (81) lower part sliding connection has removal nose bar (82), be connected with compression spring two (83) between removal nose bar (82) and fixed baffle (81), fixed baffle (81) lower part sliding connection has ratchet system stop board (84), ratchet system stop board (84) are located fixed ratchet (73) below, the symmetrical connection has buffer spring (85) between ratchet system stop board (84) and fixed baffle (81).
7. The motor braking and decelerating device for the electric scooter based on new energy as claimed in claim 6, wherein: ratchets opposite to the fixed ratchets (73) are arranged above the ratchet stopping plates (84) on the same side, and the ratchet stopping plates (84) are used for limiting the rotation of the fixed ratchets (73).
8. The motor braking and decelerating device for the electric scooter based on new energy as claimed in claim 6, wherein: the motor fixing seat further comprises a capacitive speed reducing element (9), and the front side of the bottom in the motor fixing seat (1) is fixedly connected with the three capacitive speed reducing elements (9) in a linear distributed manner.
9. The motor braking and decelerating device for the electric scooter based on new energy as claimed in claim 8, wherein: the permanent magnet synchronous motor is characterized by further comprising a temperature sensor (10), wherein the temperature sensor (10) is arranged above the rear side of the permanent magnet synchronous motor (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111293927.5A CN113830039A (en) | 2021-11-03 | 2021-11-03 | Motor braking speed reduction equipment for electric scooter based on new energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111293927.5A CN113830039A (en) | 2021-11-03 | 2021-11-03 | Motor braking speed reduction equipment for electric scooter based on new energy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113830039A true CN113830039A (en) | 2021-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111293927.5A Withdrawn CN113830039A (en) | 2021-11-03 | 2021-11-03 | Motor braking speed reduction equipment for electric scooter based on new energy |
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| Country | Link |
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| CN (1) | CN113830039A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114572010A (en) * | 2022-05-05 | 2022-06-03 | 深圳弘富源科技有限公司 | Energy-saving buffer for new energy automobile |
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| CN2688534Y (en) * | 2004-03-13 | 2005-03-30 | 王怀成 | Energy recovering apparatus of electric vehicle |
| CN106864432A (en) * | 2017-01-20 | 2017-06-20 | 南京航空航天大学 | A kind of braking automobile failure emergency braking apparatus and its control method |
| CN112721878A (en) * | 2021-01-19 | 2021-04-30 | 贺国庆 | Motor braking speed reduction equipment for electric scooter based on new energy |
| DE102019007992A1 (en) * | 2019-11-18 | 2021-05-20 | Man Truck & Bus Se | Device and method for energy recovery for an electrically powered motor vehicle |
| CN113548145A (en) * | 2021-09-02 | 2021-10-26 | 衢州耐佳特车业有限公司 | Power control device and control method for electric bicycle |
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2021
- 2021-11-03 CN CN202111293927.5A patent/CN113830039A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2688534Y (en) * | 2004-03-13 | 2005-03-30 | 王怀成 | Energy recovering apparatus of electric vehicle |
| CN106864432A (en) * | 2017-01-20 | 2017-06-20 | 南京航空航天大学 | A kind of braking automobile failure emergency braking apparatus and its control method |
| DE102019007992A1 (en) * | 2019-11-18 | 2021-05-20 | Man Truck & Bus Se | Device and method for energy recovery for an electrically powered motor vehicle |
| CN112721878A (en) * | 2021-01-19 | 2021-04-30 | 贺国庆 | Motor braking speed reduction equipment for electric scooter based on new energy |
| CN113548145A (en) * | 2021-09-02 | 2021-10-26 | 衢州耐佳特车业有限公司 | Power control device and control method for electric bicycle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114572010A (en) * | 2022-05-05 | 2022-06-03 | 深圳弘富源科技有限公司 | Energy-saving buffer for new energy automobile |
| CN114572010B (en) * | 2022-05-05 | 2022-07-05 | 深圳弘富源科技有限公司 | Energy-saving buffer for new energy automobile |
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Application publication date: 20211224 |