CN219733572U - Novel high-efficiency permanent magnet linear type automobile damping power generation system - Google Patents

Abstract

The utility model relates to a novel high-efficiency permanent magnet linear automobile damping power generation system which comprises a damping power generation device, a charging adjustment circuit and a storage battery, wherein the output end of the damping power generation device is sequentially connected with the charging adjustment circuit and the storage battery, and the output end of the storage battery is connected with an electric appliance. Compared with the traditional rotary power generation, the utility model uses the permanent magnet to replace electric excitation, so that the power generation structure is simpler and the electric appliance control is simpler and more convenient. Especially in the occasion that is the oscillating motion form to the power supply, owing to the device has saved motion conversion device such as rack lead screw and turbine screw, the permanent magnet generator that adopts high-energy neodymium iron boron to make can directly become the electric energy, has small, light in weight, power is big, output efficiency is high characteristics, produces damping force through magnet up-and-down motion simultaneously, slows down the amplitude, improves the comfort level.

Description

A new type of high-efficiency permanent magnet linear automotive shock-absorbing power generation system

Technical field

The utility model belongs to the technical field of automobile shock absorbers, in particular to a new high-efficiency permanent magnet linear automobile shock-absorbing power generation system.

Background technique

With the rapid development of the economy, the world's energy shortage problem is becoming increasingly serious, and energy recycling has become a focus. my country's automobile industry has become an important cornerstone of the development of the national economy. However, automobiles consume huge amounts of crude oil and damage the environment, which has put great pressure on my country's environmental protection cause. Therefore, vehicle energy conservation and emission reduction have attracted much attention. When a car is driving, uneven road surfaces will produce vibrations and dissipate a large amount of energy, which not only affects ride comfort but also causes huge energy waste. In order to quickly attenuate the vibration of the frame and body and improve the smoothness and comfort of the car, the car suspension system is generally equipped with a two-way acting cylindrical shock absorber, but the mechanical energy of its reciprocating motion will eventually be converted into useless content and cause certain losses to the shock absorber, resulting in a shorter service life. With the advancement of automobile technology, in order to improve the damping and shock absorption performance of automobiles and recycle energy, high-end electromagnetic shock absorbers are gradually appearing on the market. However, most of them use motion conversion devices such as rack screws and turbine screws, and the materials are expensive and unavailable. It is conducive to the large-scale popularization of my country's automobile industry and the realization of energy conservation and emission reduction.

Utility model content

The purpose of this utility model is to overcome the shortcomings of the existing technology and propose a new high-efficiency permanent magnet linear automobile shock-absorbing power generation system, which has the characteristics of small size, light weight, high power and high output efficiency, and simultaneously moves up and down through the magnet Generate damping force, slow down the amplitude and improve comfort.

The utility model solves its technical problems by adopting the following technical solutions:

A new type of high-efficiency permanent magnet linear automobile shock-absorbing power generation system, including a shock-absorbing power generation device, a charging adjustment circuit and a battery. The output end of the shock-absorbing power generation device is connected to the charging adjustment circuit and the battery in turn, and the output end of the battery is connected to Electrical appliances.

Moreover, the shock-absorbing power generation device includes a bracket, a first top plate, a second top plate, power generation equipment and a Songgang motor. The bracket includes a base and four pillars installed at the four corners of the top of the base. The first top plate and the second top plate pass through The sliding bearing is set in the middle of the four pillars, and the second top plate is set below the first top plate. The sliding bearings corresponding to the first top plate and the second top plate are set on the pillars and are connected through springs. There is a weight above the first top plate. There is power generation equipment above the second top plate, and the Songgang motor is installed on the top of the base. The Songgang motor is connected to the second top plate and used to drive the second top plate to perform reciprocating movements.

Moreover, the power generation equipment includes a piston guide cylinder and an induction coil wrapped around the cylinder wall. The cylinder wall and the piston guide cylinder guide rod are connected through a piston spring. The cylinder wall is fixed above the second top plate, and the top of the piston guide cylinder guide rod is connected to the second top plate. The bottom of the first top plate is connected, a piston is provided at the bottom of the piston guide cylinder and the guide rod, and a magnetic field generating device is provided at the bottom of the piston; a through hole is provided in the vertical direction of the piston for circulating air flow or liquid.

Moreover, the magnetic field generating device adopts a radial magnetizing structure to arrange the magnets, and at the same time, 6mm of insulating material is placed between the magnets.

Moreover, the charging adjustment circuit includes a boost circuit, a rectifier circuit and a filter circuit, wherein the input ends of the boost circuit are respectively connected to two wires drawn from the coil of the shock-absorbing power generation device, and the boost circuit, rectifier circuit and filter circuit are connected in sequence. The output end of the filter circuit is connected to the battery.

Moreover, the boost circuit uses low-power MAX series high-efficiency boost integrated circuits.

Moreover, the rectifier circuit adopts diode bridge rectification, in which the conduction voltage drop of the diode is small and the reverse current is small.

Moreover, the filter circuit is composed of a supercapacitor and a voltage regulator tube connected in parallel.

The advantages and positive effects of this utility model are:

The utility model includes a shock-absorbing power generation device, a charging adjustment circuit and a storage battery. The output end of the shock-absorbing power generation device is connected to the charging adjustment circuit and the storage battery in sequence, and the output end of the storage battery is connected to an electrical appliance. Compared with traditional rotary power generation, the utility model uses permanent magnets instead of electric excitation, making the power generation structure simpler and the electrical control more convenient. Especially when the power source is in the form of oscillation motion, since the device eliminates the need for motion conversion devices such as rack screws and turbine screws, the permanent magnet generator made of high-energy neodymium iron boron can directly convert mechanical energy into Electric energy has the characteristics of small size, light weight, high power and high output efficiency. At the same time, the up and down movement of the magnet generates damping force to slow down the amplitude and improve comfort.

Description of the drawings

Figure 1 is a structural block diagram of the utility model;

Figure 2 is a structural diagram of the utility model's shock-absorbing power generation device;

Figure 3 is a structural diagram of the power generation equipment of the present invention, (1) is a main view, (2) is a cross-sectional view;

Figure 4 is a charging adjustment circuit diagram of the present utility model.

Label description:

1-bracket, 2-first top plate, 3-second top plate, 4-power generation equipment, 5-Songgang motor, 6-base, 7-pillar, 8-sliding bearing, 9-spring, 10-weight, 11 -Piston guide cylinder, 12-induction coil, 13-piston spring, 14-piston, 15-magnetic field generating device.

Detailed ways

The utility model will be further described in detail below in conjunction with the accompanying drawings.

A new high-efficiency permanent magnet linear automobile shock-absorbing power generation system, as shown in Figure 1, includes a charging adjustment circuit and a battery. The output end of the shock-absorbing power generation device is connected to the charging adjustment circuit and the battery in turn, and the output end of the battery Connect electrical appliances.

As shown in Figure 2, the shock-absorbing power generation device includes a bracket 1, a first top plate 2, a second top plate 3, power generation equipment 4 and a Songgang motor 5. The bracket includes a base 6 and four pillars 7 installed at the four corners of the top of the base. , the first top plate and the second top plate are set in the middle of the four pillars through sliding bearings 8, the second top plate is set below the first top plate, and the corresponding sliding bearings of the first top plate and the second top plate set on the pillars are connected through springs 9 , a weight 10 is arranged above the first top plate, and a power generation device is arranged above the second top plate. The Songgang motor is arranged on the top of the base. The Songgang motor is connected to the second top plate and is used to drive the second top plate to perform reciprocating movements.

As shown in Figure 3(1), the power generation equipment includes a piston guide 11 and an induction coil 12 wrapped around the cylinder wall. The cylinder wall and the piston guide rod are connected through a piston spring 13. The cylinder wall is fixed above the second top plate. The top of the piston guide rod is connected to the bottom of the first top plate. As shown in Figure 3(2), the bottom of the piston guide rod is provided with a piston 14, and the bottom of the piston is provided with a magnetic field generating device 15; the vertical direction of the piston is provided with a A through hole for the passage of air or liquid.

The magnetic field generating device adopts a radial magnetizing structure to arrange the magnets, and a 6mm insulating material is set between the magnets.

The magnetic flux density of the radial magnetized structure is significantly higher than that of the axial magnetized structure, and because the repulsive force of the axial magnetized structure in the same magnetic pole direction is too large, it is difficult to process and assemble. Therefore, this utility model adopts the radial magnetized structure. The magnetized structure serves as a design solution for the magnet arrangement; in addition, the gaps in different arrangements have a major impact on the electromagnetic density generated by the air gap magnetic field. Through ANSYS analysis, it can be found that when the distance between magnets is 6mm, the peak value of the induced voltage The highest, the induced voltage curve is highly symmetrical and relatively smooth, so this utility model uses a 6mm thick insulating material placed between the magnet and the magnet; in order to place the magnet on the piston rod and arrange it according to the radial magnetization structure in Figure 3 , this utility model uses two magnetic tiles with the same magnetic pole N38. Because there is a repulsive force between the magnetic tiles with the same magnetic pole, 502 glue is used to stick them in the middle. In order to reduce the wear of the magnet, the utility model places the magnet and the insulating gasket and squeezes them into the piston. Two small holes are drilled on the piston to pass the air flow or liquid. The size of the small holes can control the shock absorption hardness. The coil Then it is wound on the outer wall of the inner cylinder where the piston moves. The coil and the piston can move relative to each other. The winding length of the coil should be slightly longer than the lowest end of the magnet movement. The specific schematic diagram is shown in Figure 3.

As shown in Figure 4, the charging adjustment circuit includes a boost circuit, a rectifier circuit and a filter circuit. The input ends of the boost circuit are respectively connected to the two wires drawn from the coil of the shock-absorbing power generation device. The boost circuit, rectifier circuit and filter circuit are in sequence. connection, the output end of the filter circuit is connected to the battery.

Since the automobile shock absorber generates electricity by converting the vibration energy of the automobile into electrical energy, outputting voltage and current to the battery, and then supplying the vehicle power system through the battery, the system should also include a circuit adjustment unit. Currently, the voltages of vehicle batteries are 12V and 24V. For 12V batteries, the charging voltage is generally 14V~16V. This module of the utility model uses the above-mentioned stator induction coil to lead out two wires, which are connected to the charging adjustment circuit designed below the utility model. The charging adjustment circuit is composed of a boost circuit, a rectifier circuit and a filter circuit. The boost circuit adopts low-power consumption MAX series high-efficiency boost integrated circuit (no-load current less than 5 microamps), and its chip is provided for the power generation device; the rectifier circuit adopts diode bridge rectification, consisting of four different channels with small voltage drop and reverse It is composed of diodes with small forward current; the filter circuit is connected in parallel and consists of super capacitor (0.1F~1000F) and voltage regulator tube. This achieves a regulated output of 15V (conversion efficiency is approximately 93%).

The working process of this utility model is:

The Songgang motor (120w, 0-1350rpm) drives the second top plate to slide upward, and then the first top plate supported by the spring begins to slide. With the rotation of the Songgang motor, the two wooden boards vibrate relative to each other up and down due to different load-bearings, resulting in The magnet and the coil in the middle of the two top plates move relative to each other up and down. The coil cuts the magnetic induction line to generate an alternating induction current. After passing through the amplifier circuit, rectifier circuit, and filter circuit, it can be stored in the battery to provide stable power supply for electrical appliances.

It should be emphasized that the embodiments described in the present utility model are illustrative rather than restrictive. Therefore, the present utility model includes but is not limited to the embodiments described in the specific embodiments. Other implementation modes derived from the new technical solution also belong to the protection scope of the present utility model.

Claims (7)

1. Novel high-efficiency permanent magnet linear automobile damping power generation system is characterized in that: the power generation device comprises a damping power generation device, a charging adjustment circuit and a storage battery, wherein the output end of the damping power generation device is sequentially connected with the charging adjustment circuit and the storage battery, and the output end of the storage battery is connected with an electric appliance;

the damping power generation device comprises a support, a first top plate, a second top plate, power generation equipment and a loose post motor, wherein the support comprises a base and four support posts arranged at four corners of the top of the base, the first top plate and the second top plate are sleeved at the middle parts of the four support posts through sliding bearings, the second top plate is arranged below the first top plate, the sliding bearings corresponding to the first top plate and the second top plate are sleeved on the support posts and connected through springs, a weight is arranged above the first top plate, the power generation equipment is arranged above the second top plate, the loose post motor is arranged at the top of the base, and the loose post motor is connected with the second top plate and used for driving the second top plate to reciprocate.

2. The novel high-efficiency permanent magnet linear automobile damping power generation system according to claim 1, wherein the system is characterized in that: the power generation equipment comprises a piston guide cylinder and an induction coil wound on the cylinder wall, wherein the cylinder wall is connected with a guide rod of the piston guide cylinder through a piston spring, the cylinder wall is fixed above a second top plate, the top of the guide rod of the piston guide cylinder is connected with the lower part of a first top plate, a piston is arranged at the bottom of the guide rod of the piston guide cylinder, and a magnetic field generating device is arranged at the bottom of the piston; the piston is provided with a through hole in the vertical direction for circulating air flow or liquid.

3. The novel high-efficiency permanent magnet linear automobile damping power generation system according to claim 2, wherein: the magnetic field generating device adopts a radial magnetizing structure to arrange the magnets, and meanwhile, 6mm insulating materials are arranged between the magnets.

4. The novel high-efficiency permanent magnet linear automobile damping power generation system according to claim 1, wherein the system is characterized in that: the charging adjustment circuit comprises a booster circuit, a rectifying circuit and a filter circuit, wherein the input end of the booster circuit is respectively connected with two wires led out by a coil of the damping power generation device, the booster circuit, the rectifying circuit and the filter circuit are sequentially connected, and the output end of the filter circuit is connected with the storage battery.

5. The novel high-efficiency permanent magnet linear automobile damping power generation system according to claim 4, wherein: the boosting circuit adopts a MAX series high-efficiency boosting integrated circuit with low power consumption.

6. The novel high-efficiency permanent magnet linear automobile damping power generation system according to claim 4, wherein: the rectifying circuit adopts diode bridge type rectification, wherein the conduction voltage drop of a diode is small, and the reverse current is small.

7. The novel high-efficiency permanent magnet linear automobile damping power generation system according to claim 4, wherein: the filter circuit is formed by connecting a super capacitor and a voltage stabilizing tube in parallel.