CN214729420U - Device for recovering braking friction energy of electric bicycle - Google Patents

Abstract

The utility model discloses a retrieve electric bicycle braking friction energy's device, including electric bicycle battery, electric bicycle calliper, electric bicycle brake block, friction pulley, baffle, microgenerator, spring, electric capacity accumulator. Rolling friction is formed between the friction wheel and the brake pad of the electric bicycle; a flywheel is arranged on a rotating shaft of the friction wheel, so that the rotational inertia of a rotating part of the micro generator is increased, and the energy storage effect of the flywheel is realized; the rotor of the micro generator is fixed with the electric bicycle calipers through the spring, and through controlling the deformation quantity of the spring, before the electric bicycle calipers contact with the electric bicycle brake pads, the friction wheel of the micro generator contacts with the electric bicycle brake pads to start generating electricity; the large inductance circuit of two-time automatic pulse in the capacitor energy accumulator transfers current to charge the storage battery of the electric bicycle. The novel electric wheelchair has the advantages of simple structure and good universality, can be popularized and applied to electric wheelchairs and electric automobiles, and improves the energy utilization rate and saves energy.

Description

Device for recovering braking friction energy of electric bicycle

Technical Field

The utility model relates to a friction energy recovery device technical field specifically is a device of retrieving electric bicycle braking friction energy.

Background

In the riding process of the electric bicycle, frequent active or passive emergency braking can occur, and more braking energy consumption is generated in the process and is not recovered, so that energy is lost.

Disclosure of Invention

In order to overcome current electric bicycle riding in-process, frequent initiative or passive emergency brake appears, this in-process produces more braking energy consumption and does not retrieve and defects such as loss energy, the utility model provides a retrieve electric bicycle braking friction energy's device, in electric bicycle emergency brake in-process, the friction pulley that uses micro generator moves along with calliper with friction disc direction, produces a rolling friction, the coupling principle of the friction electrification and the electrostatic induction effect of using novel nano generator, retrieve the energy of friction loss among the braking process, store in the electric capacity accumulator with the form of electric energy, charge the electric bicycle battery under the static condition, realize storing the electric bicycle battery with electric energy in the electric capacity accumulator, accomplish the recycle of braking friction loss in the emergency brake.

The utility model discloses specifically solve the technical solution that its technical problem adopted and be: an apparatus for recovering braking friction energy of an electric bicycle comprising: the electric bicycle comprises an electric bicycle storage battery, electric bicycle calipers, electric bicycle brake pads, friction wheels, a baffle plate, a micro generator, a spring, a capacitor energy accumulator, a connecting wire, a flywheel, a magnet and a winding set, wherein the electric bicycle calipers are fixed on the electric bicycle brake pads, the spring controls the offset of the electric bicycle calipers, and the baffle plate enables the micro generator not to be separated from a fixed position; the micro generator adopts a novel nano power generation technology; the friction wheel is made of polyurethane, the hardness is 101A, the friction wheel is wear-resistant and does not generate noise, the friction resistance of the friction wheel is increased on the material, and the energy conversion efficiency is improved; the friction wheel and the electric bicycle brake pad are in rolling friction, so that the abrasion to the electric bicycle brake pad is reduced; the flywheel is arranged on the friction wheel rotating shaft, so that the rotational inertia of the rotating part of the micro generator is increased, and the rotor of the micro generator plays a role in storing energy of the flywheel while completing power generation; the friction wheel in the device can only carry out one unidirectional micro clutch on the rotor of the micro generator; the rotor of the micro generator is fixed with the electric bicycle calipers through the spring, and the deformation of the spring is controlled, so that the friction wheel of the micro generator is contacted with the electric bicycle brake pad before the electric bicycle calipers are contacted with the electric bicycle brake pad to start generating electricity; after the electric bicycle is completely stopped by braking, the friction wheel stops rotating, and at the moment, the flywheel continuously rotates by means of inertia until the rotor of the micro generator stops, so that the power generation time is prolonged; when the electric bicycle calipers are contacted with the electric bicycle brake pad, the micro generator is blocked by the baffle on the rear side, so that the micro generator reaches the maximum position and is just parallel to the electric bicycle brake pad, and the damage to the shell and the interior of the micro generator is avoided; the friction wheel is driven to rotate by the contact of the friction wheel and the brake pad of the electric bicycle, the magnet and the winding set are coupled through the friction electrification and the electrostatic induction effect, the current output is realized, the flywheel energy storage system continues to generate electricity, the current is transmitted by the twice automatic pulse large-inductance circuit in the capacitor energy storage device, and the charging of the storage battery of the electric bicycle is realized through the connecting lead.

The beneficial effects of the utility model are that, adopt a device of retrieving electric bicycle braking friction energy, solved current electric bicycle in-process of riding, frequent initiative appears or urgent brake passively, and this in-process produces more braking energy consumption and does not retrieve and lost energy scheduling problem. The novel electric bicycle transmission mechanism is simple in structure, convenient to operate and good in universality, the transmission mechanism of the mounted electric bicycle is not required to be changed, the novel electric bicycle transmission mechanism can be popularized and applied to electric wheelchairs, electric automobiles and the like, and the energy utilization rate and the energy conservation are effectively improved.

Drawings

FIG. 1 is an assembly view of a device for recovering braking friction energy of an electric bicycle according to the present invention;

fig. 2 is a schematic structural view of a micro-generator in the device for recovering braking friction energy of an electric bicycle of the present invention.

In the figure, 11 is an electric bicycle storage battery, 12 is an electric bicycle caliper, 13 is an electric bicycle brake pad, 14 is a friction wheel, 15 is a baffle, 16 is a micro generator, 17 is a spring, 18 is a capacitor energy accumulator, 19 is a connecting wire, 21 is a flywheel, 22 is a magnet, and 23 is a winding set.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Referring to the drawings, an apparatus for recovering braking friction energy of an electric bicycle includes: the brake comprises an electric bicycle storage battery 11, an electric bicycle caliper 12, an electric bicycle brake pad 13, a friction wheel 14, a baffle 15, a micro generator 16, a spring 17, a capacitor accumulator 18, a connecting wire 19, a flywheel 21, a magnet 22 and a winding set 23, wherein the electric bicycle caliper 12 is fixed on the electric bicycle brake pad 13, the spring 17 controls the offset of the electric bicycle caliper 12, and the baffle 15 enables the micro generator 16 not to be separated from the fixed position; the micro-generator 16 adopts a novel nano power generation technology; the friction wheel 14 is made of polyurethane, the hardness is 101A, the friction wheel is wear-resistant and does not generate noise, the friction resistance of the friction wheel 14 is increased on the material, and the energy conversion efficiency is improved; rolling friction is formed between the friction wheel 14 and the electric bicycle brake pad 13, so that the abrasion to the electric bicycle brake pad 13 is reduced; a flywheel 21 is arranged on a rotating shaft of the friction wheel 14, so that the rotational inertia of a rotating part of the micro generator 16 is increased, and the rotor of the micro generator 16 plays a role in storing energy of the flywheel 21 while generating electricity; the friction wheel 14 in the device can only carry out one-way micro clutch on the rotor of the micro generator 16; the rotor of the micro generator 16 is fixed with the electric bicycle caliper 12 through the spring 17, and the deformation amount of the spring 17 is controlled, so that the friction wheel 14 of the micro generator 16 is contacted with the electric bicycle brake pad 13 before the electric bicycle caliper 12 is contacted with the electric bicycle brake pad 13, and power generation is started; after the electric bicycle is completely stopped by braking, the friction wheel 14 stops rotating, and at the moment, the flywheel 21 continuously rotates by means of inertia until the rotor of the micro generator 16 stops, so that the power generation time is prolonged; when the electric bicycle caliper 12 is contacted with the electric bicycle brake pad 13, the micro generator 16 is blocked by the baffle 15 at the rear side, so that the micro generator 16 reaches the maximum position and is just parallel to the electric bicycle brake pad 13, and the damage to the shell and the interior of the micro generator 16 is avoided; the friction wheel 14 is driven to rotate by the contact of the friction wheel 14 and the brake pad 13 of the electric bicycle, the magnet 22 and the winding group 23 are coupled through friction electrification and electrostatic induction effects to realize current output, the energy storage system of the flywheel 21 continues to generate electricity, the two-time automatic pulse large inductance circuit in the capacitor energy storage device 18 transmits the current, and the charging of the storage battery 11 of the electric bicycle is realized through the connecting lead 19.

When the device for recovering the braking friction energy of the electric bicycle is installed on the electric bicycle, and when the electric bicycle is braked, the electric bicycle calipers 12 deflect inwards to drive the micro generator 16 to deflect, so that the friction wheel 14 contacts the brake pad 13 of the electric bicycle, the magnet 22 and the winding set 23 are coupled through the friction electrification and the electrostatic induction effect, so that the mechanical energy is converted into electric energy, the two-time automatic pulse large inductance circuit in the capacitor energy accumulator 18 transfers the current from low voltage to high voltage, and the electric energy is finally stored in the storage battery 11 of the electric bicycle through the connecting lead 19. When the brake is applied again, the charging process of the electric bicycle battery 11 is repeated.

Claims (4)

1. The utility model provides a retrieve electric bicycle braking friction energy's device, includes electric bicycle battery (11), electric bicycle calliper (12), electric bicycle brake block (13), friction pulley (14), baffle (15), microgenerator (16), spring (17), electric capacity accumulator (18), connecting wire (19), flywheel (21), magnet (22), winding group (23), its characterized in that: the electric bicycle caliper (12) is fixed on an electric bicycle brake pad (13), the spring (17) controls the offset of the electric bicycle caliper (12), and the baffle (15) enables the micro generator (16) not to be separated from a fixed position; rolling friction is formed between the friction wheel (14) and the electric bicycle brake pad (13), so that the abrasion to the electric bicycle brake pad (13) is reduced; a flywheel (21) is arranged on a rotating shaft of the friction wheel (14), so that the rotational inertia of a rotating part of the micro generator (16) is increased, and the rotor of the micro generator (16) plays a role in storing energy of the flywheel (21) while generating electricity; the friction wheel (14) in the device can only carry out one-way acting micro clutch on the rotor of the micro generator (16); the rotor of the micro generator (16) is fixed with the electric bicycle caliper (12) through a spring (17), and the deformation of the spring (17) is controlled, so that the friction wheel (14) of the micro generator (16) is in contact with the electric bicycle brake pad (13) before the electric bicycle caliper (12) is in contact with the electric bicycle brake pad (13) to start generating electricity; the friction wheel (14) is driven to rotate by the contact of the friction wheel (14) and the brake pad (13) of the electric bicycle, the magnet (22) and the winding set (23) are coupled through friction electrification and electrostatic induction effects to achieve current output, the energy storage system of the flywheel (21) continues to generate electricity, the two-time automatic pulse large-inductance circuit in the capacitor energy storage device (18) transmits the current, and the charging of the storage battery (11) of the electric bicycle is achieved through the connecting lead (19).

2. The device for recovering the braking friction energy of electric bicycles of claim 1, characterized in that said micro-generator (16) uses a new nano-generation technology; the friction wheel (14) is made of polyurethane.

3. A device for recovering braking friction energy of electric bicycles, according to claim 1, characterized in that said friction wheel (14) stops rotating, while the flywheel (21) continues to rotate by inertia until the rotor of the micro-generator (16) stops, increasing the generation time.

4. The device for recovering the braking friction energy of the electric bicycle according to claim 1, characterized in that when the caliper (12) of the electric bicycle is in contact with the brake pad (13) of the electric bicycle, the micro-generator (16) is blocked by the baffle (15) at the rear side, so that the micro-generator (16) reaches the maximum position just parallel to the brake pad (13) of the electric bicycle, and the damage to the shell and the inside of the micro-generator (16) is avoided.

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