CN113968133A

CN113968133A - Energy recovery system for electric vehicle on bumpy road section

Info

Publication number: CN113968133A
Application number: CN202111527845.2A
Authority: CN
Inventors: 朱建新; 徐建彬; 孙成杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-01-25

Abstract

The invention discloses an electric vehicle energy recovery system for a bumpy road section, and relates to the technical field of electric vehicles, in particular to an electric vehicle energy recovery system for the bumpy road section. The double-spring design can greatly reduce the deformation phenomenon of the first damping spring and the second damping spring caused by the heavy pressure of the automobile, prolong the service life of the first damping spring and the second damping spring, and reduce the electric quantity loss of the electric automobile by using the air pressure rotating ring in the main damping shaft as the power of the motor.

Description

Energy recovery system for electric vehicle on bumpy road section

Technical Field

The invention relates to the technical field of electric vehicles, in particular to an electric vehicle energy recovery system for a bumpy road section.

Background

The electric vehicle is a vehicle type driven by electric power, and can be divided into a direct current electric vehicle and an alternating current electric vehicle, the electric vehicle takes a battery as an energy source, and converts electric energy into mechanical energy to move through a controller, a motor and other components so as to control the speed of current change, the high-speed development of the electric vehicle is a determination on a new energy technology, and the use of clean energy also plays a role in protecting the environment.

How to supplement electric energy for the electric vehicle in the driving process of the electric vehicle, so that the endurance of the electric vehicle is longer, and therefore the electric vehicle energy recovery system is needed, and the driving process of the electric vehicle is not influenced, energy is provided for the electric vehicle, however, in the prior art, because the electric vehicle can perform repeated braking operation due to the road condition in the driving process, the energy is consumed due to the use of the energy, the loss of the electric power is increased, the electric power of the electric vehicle can not be better used, and meanwhile, when the electric vehicle drives, due to the unevenness of the road surface, the electric vehicle suspension device is in a fluctuation state all the time, the damage to a damping spring is increased, the service life of the damping spring is shortened, and therefore the electric vehicle energy recovery system for the bumpy road section is provided.

Disclosure of Invention

The invention aims to provide an energy recovery system for an electric vehicle on a bumpy road section aiming at the defects in the prior art so as to solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a highway section of jolting electric motor car energy recuperation system, includes the tire, the inside wheel hub that is provided with of tire, the inside fixing bolt that is provided with of wheel hub is provided with the drive shaft between two wheel hubs, drive shaft outer wall cover is equipped with the connecting seat, one side that the drive shaft was kept away from to the connecting seat is provided with first damping device, first damping device includes shrink pole, first damping spring and main damping shaft, shrink pole and connecting seat fixed connection, the external diameter size of shrink pole and the internal diameter size phase-match of main damping shaft, first damping spring's both ends and main damping shaft and connecting seat fixed connection, first damping spring overlaps and establishes at the shrink pole outer wall.

As a preferred technical scheme of the invention, a second damping device is arranged on one side of the first damping device, which is far away from the connecting seat, and comprises a telescopic rod, a second damping spring and a fixed seat, wherein the telescopic rod is in a telescopic shape, two ends of the second damping spring are respectively and fixedly connected with the main damping shaft and the fixed seat, the elasticity of the second damping spring is larger than that of the first damping spring, and the telescopic rod and the second damping spring are matched for use, so that the pressure generated by bumping of an automobile can be reduced for the second time, and the damage to the first damping spring is reduced.

As a preferred technical scheme of the invention, the second damping device further comprises a plurality of fixing holes, the fixing holes are equidistantly distributed on the fixing seat, bolts are inserted into the fixing holes, the fixing seat is fixedly connected with the vehicle body through the fixing holes, and the fixing holes and the fixing seat are matched for use, so that the first damping device and the second damping device can be conveniently detached and installed, and the first damping device and the second damping device can be conveniently maintained in the later period.

As a preferable technical scheme of the invention, a hydraulic kinetic energy recovery device is vertically distributed on one side of the outer wall of the main damping shaft, the hydraulic kinetic energy recovery device comprises a hydraulic pipe, a bearing ring, a first hydraulic rod, a limiting hole, a limiting block, a second hydraulic rod and a return spring, the outer diameter of the bearing ring is matched with the inner diameter of the hydraulic pipe, the inner diameter of the bearing ring is matched with the outer diameter of the first hydraulic rod, two ends of the return spring are respectively fixedly connected with the first hydraulic rod and the second hydraulic rod, the limiting hole and the limiting block are vertically distributed, the first hydraulic rod and the second hydraulic rod are matched for use, the air pressure rotation in the main damping shaft can be realized under the action of the rotation power of the first hydraulic rod and the second hydraulic rod, the limiting block and the limiting hole prevent the second hydraulic rod from rotating to cause the phenomenon that the first hydraulic rod cannot be driven, and the return spring plays the role of automatic return of the second hydraulic rod, so as to be convenient for the next use.

As a preferred technical scheme, the hydraulic kinetic energy recovery device further comprises a blocking ring, the outer diameter of the blocking ring is matched with the inner diameter of the hydraulic pipe, the blocking ring is fixedly connected with the second hydraulic rod, and the blocking ring plays a role in driving the second hydraulic rod to slide up and down.

As a preferred technical scheme of the invention, the hydraulic kinetic energy recovery device further comprises a screw rod, a fixing ring and a screw rod, wherein the outer diameter of the fixing ring is matched with the inner diameter of the hydraulic pipe, the fixing ring is fixedly arranged on the inner wall of the hydraulic pipe, the fixing ring is made of a leaf-shaped metal material, the second hydraulic rod is sleeved on the outer wall of the screw rod, the fixing ring plays a role in air pressure conduction between the main damping shaft and the hydraulic pipe, and the screw rod is used for a rotation carrier function of the second hydraulic rod.

As a preferred technical scheme of the invention, a power generation device is arranged on one side of the hydraulic kinetic energy recovery device, which is far away from the main damping shaft, and comprises a stator, a rotor winding and a connecting shaft, wherein the rotor winding is electrically connected with the external connection, a three-phase wire is wound inside the stator, two ends of the connecting shaft are respectively fixedly connected with the rotor winding and the first hydraulic rod, and the stator and the rotor winding are matched for use, so that the power generated by the rotation of the connecting shaft can be converted into electric power.

Compared with the prior art, the invention provides an energy recovery system for an electric vehicle on a bumpy road section, which has the following beneficial effects:

1. the energy recovery system of the electric vehicle on the bumpy road section comprises a first damping device and a second damping device, when the energy recovery system is used, a driving shaft rotates to drive a tire to rotate, so that the vehicle can drive to run forwards, when the vehicle encounters the bumpy road section, a contraction rod contracts into the interior of a main damping shaft under the gravity of the vehicle at the moment and compresses a first damping spring, the pressure of the vehicle is preliminarily reduced, and after the first damping spring is compressed to a certain degree, the main damping shaft gives pressure to a telescopic rod to drive the telescopic rod to contract, the length of the telescopic rod is reduced, the second damping spring is further compressed, the pressure of the vehicle is further reduced, the deformation phenomenon of the first damping spring and the second damping spring caused by the weight pressure of the vehicle can be greatly reduced by adopting the design of double springs, and the service lives of the first damping spring and the second damping spring are prolonged;

2. the energy recovery system for the electric vehicle on the bumpy road section is provided with the hydraulic kinetic energy recovery device and the power generation device, when the energy recovery system is used, when a contraction rod contracts into the interior of a main damping shaft due to the gravity of the vehicle, the air pressure in the interior of the main damping shaft is expanded, and a plugging ring is gradually driven to slide in a hydraulic pipe, so that a second hydraulic rod is driven to rotate and move downwards on the outer wall of a spiral rod, a limiting block contracts into the interior of a limiting hole and drives a first hydraulic rod to rotate, the first hydraulic rod drives a connecting shaft and a rotor winding to rotate around a stator, so that a magnetic induction line is cut, a three-phase electric box in the stator generates current, after the contraction rod returns in the interior of the main damping shaft, the air pressure in the interior of the main damping shaft is reduced, the second hydraulic rod drives the plugging ring to return to the original position under the pressure of a return spring, so as to be used next time, and the energy consumption of the vehicle in the bumpy road section is reduced, the endurance time of the automobile is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the first and second shock absorbing devices of the present invention;

FIG. 3 is a schematic view of the hydraulic kinetic energy recovery device of the present invention;

FIG. 4 is a schematic view of the hydraulic tube of the present invention;

fig. 5 is a schematic view of the return spring of the present invention.

In the figure: 1. a tire; 2. a hub; 3. fixing the bolt; 4. a drive shaft; 5. a connecting seat; 6. a first damping device; 601. a retracting lever; 602. a first damping spring; 603. a main shock absorbing shaft; 7. a second damping device; 701. a telescopic rod; 702. a second damping spring; 703. a fixed seat; 704. a fixing hole; 8. a hydraulic kinetic energy recovery device; 801. a hydraulic tube; 802. a bearing ring; 803. a first hydraulic lever; 804. a limiting hole; 805. a limiting block; 806. a second hydraulic rod; 807. a choke ring; 808. a screw rod; 809. a fixing ring; 8010. a return spring; 9. a power generation device; 901. a stator; 902. a rotor winding; 903. and (7) connecting the shafts.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1-2, an energy recovery system for an electric vehicle on a bumpy road section comprises a tire 1, hubs 2 are arranged in the tire 1, fixing bolts 3 are arranged in the hubs 2, a driving shaft 4 is arranged between the two hubs 2, a connecting seat 5 is sleeved on the outer wall of the driving shaft 4, a first damping device 6 is arranged on one side, away from the driving shaft 4, of the connecting seat 5, the first damping device 6 comprises a contraction rod 601, a first damping spring 602 and a main damping shaft 603, the contraction rod 601 is fixedly connected with the connecting seat 5, the outer diameter of the contraction rod 601 is matched with the inner diameter of the main damping shaft 603, two ends of the first damping spring 602 are fixedly connected with the main damping shaft 603 and the connecting seat 5, the first damping spring 602 is sleeved on the outer wall of the contraction rod 601, a second damping device 7 is arranged on one side, away from the connecting seat 5, of the first damping device 6, and the second damping device 7 comprises a telescopic rod 701, a second damping device 7, The telescopic rod 701 is in a telescopic shape, two ends of the second damping spring 702 are fixedly connected with the main damping shaft 603 and the fixed seat 703 respectively, the elasticity of the second damping spring 702 is larger than that of the first damping spring 602, and the telescopic rod 701 and the second damping spring 702 are matched for use, so that the pressure of an automobile generated by bumping can be reduced for the second time, and the damage to the first damping spring 602 is reduced; second damping device 7 still includes fixed orifices 704, and the quantity of fixed orifices 704 is a plurality of, and fixed orifices 704 is equidistance distribution on fixing base 703, and the bolt has been inserted to fixed orifices 704 inside, and fixing base 703 passes through fixed orifices 704 and automobile body fixed connection, and the cooperation of fixed orifices 704 and fixing base 703 is used, makes things convenient for first damping device 6 and second damping device 7's dismantlement and installation, the maintenance of the first damping device 6 of later stage and second damping device 7 of being convenient for.

Example two:

referring to fig. 3-5, on the basis of the first embodiment, a hydraulic kinetic energy recovery device 8 is vertically distributed on one side of an outer wall of the main damping shaft 603, the hydraulic kinetic energy recovery device 8 includes a hydraulic tube 801, a bearing ring 802, a first hydraulic rod 803, a limiting hole 804, a limiting block 805, a second hydraulic rod 806 and a return spring 8010, an outer diameter of the bearing ring 802 is matched with an inner diameter of the hydraulic tube 801, an inner diameter of the bearing ring 802 is matched with an outer diameter of the first hydraulic rod 803, two ends of the return spring 8010 are respectively fixedly connected with the first hydraulic rod 803 and the second hydraulic rod 806, the limiting hole 804 and the limiting block 805 are vertically distributed, the first hydraulic rod 803 and the second hydraulic rod 806 are used in cooperation, an air pressure inside the main damping shaft 603 can be turned around a rotation power of the first hydraulic rod 803 and the second hydraulic rod 806, the limiting block 805 and the limiting hole 804 prevent the second hydraulic rod 806 from being unable to drive the first hydraulic rod 803 due to rotation, the return spring 8010 serves as an automatic return for the second hydraulic rod 806 for the next use; the hydraulic kinetic energy recovery device 8 further comprises a blocking ring 807, the outer diameter of the blocking ring 807 is matched with the inner diameter of the hydraulic pipe 801, the blocking ring 807 is fixedly connected with the second hydraulic rod 806, and the blocking ring 807 plays a role in driving the second hydraulic rod 806 to slide up and down; the hydraulic kinetic energy recovery device 8 further comprises a screw rod 808, a fixing ring 809 and a rotating carrier, the outer diameter of the fixing ring 809 is matched with the inner diameter of the hydraulic pipe 801, the fixing ring 809 is fixedly mounted on the inner wall of the hydraulic pipe 801, the fixing ring 809 is made of a leaf-shaped metal material, the second hydraulic rod 806 is sleeved on the outer wall of the screw rod 808, the fixing ring 809 plays a role in air pressure conduction between the main damping shaft 603 and the hydraulic pipe 801, and the screw rod 808 is used for the second hydraulic rod 806 to rotate.

Referring to fig. 3, a power generation device 9 is disposed on one side of the hydraulic kinetic energy recovery device 8 away from the main damping shaft 603, the power generation device 9 includes a stator 901, a rotor winding 902 and a connecting shaft 903, the rotor winding 902 is electrically connected to an external device, a three-phase wire is wound inside the stator 901, two ends of the connecting shaft 903 are respectively fixedly connected to the rotor winding 902 and the first hydraulic rod 803, and the stator 901 and the rotor winding 902 are used in cooperation, so that the power generated by rotation of the connecting shaft 903 can be converted into electric power.

The working principle and the using process of the invention are as follows: when the energy recovery system is used, the driving shaft 4 rotates to drive the tire 1 to rotate, so that an automobile runs forwards, when the automobile runs into a bumpy road section, the contraction rod 601 contracts into the interior of the main damping shaft 603 under the gravity of the automobile and compresses the first damping spring 602 to preliminarily reduce the pressure of the automobile, and after the first damping spring 602 is compressed to a certain degree, the main damping shaft 603 applies pressure to the expansion rod 701 to drive the expansion rod 701 to contract, so that the length of the expansion rod 701 is reduced, the second damping spring 702 is further compressed, the pressure of the automobile is further reduced, by adopting the design of the double springs, the deformation phenomenon of the first damping spring 602 and the second damping spring 702 caused by the weight pressure of the automobile can be greatly reduced, the service lives of the first damping spring 602 and the second damping spring 702 are prolonged, and when the contraction rod 601 contracts into the interior of the main damping shaft 603 due to the gravity of the automobile, at the moment, the internal air pressure of the main damping shaft 603 is expanded, and the plugging ring 807 is gradually driven to slide in the hydraulic pipe 801, so that the second hydraulic rod 806 is driven to rotate and move downwards along the outer wall of the spiral rod 808, at the moment, the limiting block 805 is contracted into the limiting hole 804 and drives the first hydraulic rod 803 to rotate, the first hydraulic rod 803 drives the connecting shaft 903 and the rotor winding 902 to rotate around the stator 901, so that magnetic induction lines are cut, and current is generated in three-phase electric wires in the stator 901.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An energy recovery system for an electric vehicle on a bumpy road section is characterized in that: comprises a tyre (1), a wheel hub (2) is arranged in the tyre (1), the inside of the wheel hub (2) is provided with a fixing bolt (3), a driving shaft (4) is arranged between the two wheel hubs (2), a connecting seat (5) is sleeved on the outer wall of the driving shaft (4), a first damping device (6) is arranged on one side of the connecting seat (5) far away from the driving shaft (4), the first damping means (6) comprising a contraction rod (601), a first damping spring (602) and a main damping shaft (603), the contraction rod (601) is fixedly connected with the connecting seat (5), the outer diameter of the contraction rod (601) is matched with the inner diameter of the main damping shaft (603), the two ends of the first damping spring (602) are fixedly connected with the main damping shaft (603) and the connecting seat (5), and the outer wall of the contraction rod (601) is sleeved with the first damping spring (602).

2. The energy recovery system for electric vehicles on bumpy road sections according to claim 1, wherein: one side that connecting seat (5) were kept away from in first damping device (6) is provided with second damping device (7), second damping device (7) include telescopic link (701), second damping spring (702) and fixing base (703), telescopic link (701) are scalable form, the both ends of second damping spring (702) respectively with main damping shaft (603) and fixing base (703) fixed connection, the elasticity of second damping spring (702) is greater than first damping spring (602).

3. The energy recovery system for electric vehicles on bumpy road sections according to claim 2, wherein: the second damping device (7) further comprises fixing holes (704), the number of the fixing holes (704) is a plurality of, the fixing holes (704) are equidistantly distributed on the fixing seat (703), bolts are inserted into the fixing holes (704), and the fixing seat (703) is fixedly connected with a vehicle body through the fixing holes (704).

4. The energy recovery system for electric vehicles on bumpy road sections according to claim 1, wherein: the hydraulic kinetic energy recovery device (8) is vertically distributed on one side of the outer wall of the main damping shaft (603), the hydraulic kinetic energy recovery device (8) comprises a hydraulic pipe (801), a bearing ring (802), a first hydraulic rod (803), a limiting hole (804), a limiting block (805), a second hydraulic rod (806) and a return spring (8010), the outer diameter of the bearing ring (802) is matched with the inner diameter of the hydraulic pipe (801), the inner diameter of the bearing ring (802) is matched with the outer diameter of the first hydraulic rod (803), two ends of the return spring (8010) are fixedly connected with the first hydraulic rod (803) and the second hydraulic rod (806) respectively, and the limiting hole (804) and the limiting block (805) are vertically distributed.

5. The energy recovery system for electric vehicles on bumpy road sections according to claim 4, wherein: the hydraulic kinetic energy recovery device (8) further comprises a blocking ring (807), the outer diameter of the blocking ring (807) is matched with the inner diameter of the hydraulic pipe (801), and the blocking ring (807) is fixedly connected with the second hydraulic rod (806).

6. The energy recovery system for electric vehicles on bumpy road sections according to claim 4, wherein: the hydraulic kinetic energy recovery device (8) further comprises a screw rod (808), a fixing ring (809) and a connecting rod, wherein the outer diameter of the fixing ring (809) is matched with the inner diameter of the hydraulic pipe (801), the fixing ring (809) is fixedly arranged on the inner wall of the hydraulic pipe (801), the fixing ring (809) is made of a fan-blade-shaped metal material, and the second hydraulic rod (806) is sleeved on the outer wall of the screw rod (808).

7. The energy recovery system for electric vehicles on bumpy road sections according to claim 4, wherein: one side that main damping axle (603) was kept away from in hydraulic pressure kinetic energy recovery unit (8) is provided with power generation facility (9), power generation facility (9) include stator (901), rotor winding (902) and connecting axle (903), rotor winding (902) and external electric connection, the inside winding of stator (901) has the three-phase electric wire, the both ends of connecting axle (903) respectively with rotor winding (902) and first hydraulic stem (803) fixed connection.