CN206904131U - A kind of damper to be generated electricity using vibrational energy - Google Patents

Abstract

The utility model relates to a shock absorber using vibration energy to generate electricity, comprising a hollow working cylinder and a cylindrical permanent magnet fixedly connected to the outer wall of the working cylinder; the upper and lower parts of the working cylinder are respectively equipped with An upper piston and a lower piston that can slide on the inner side of the working cylinder; the top surface of the upper piston is fixedly connected with a piston rod, the upper part of the piston rod protrudes from the top surface of the working cylinder, and the bottom surface of the upper piston is provided with a conductive No. 1 ring-type conductive sheet; the bottom surface of the lower piston is fixedly provided with a No. 2 ring-shaped conductive sheet for conducting electricity, and a plurality of piezoelectric elements are arranged between the bottom surface of the lower piston and the inner bottom surface of the working cylinder, and the upper piston and A shock absorbing spring and a power generation support are arranged between the lower pistons, which is environmentally friendly and energy-saving; the structure is reliable, the manufacturing cost is low, the use is convenient, and the later maintenance cost is low; the application range is wide, the principle and structure are simple, and the production cost is low.

Description

A shock absorber that uses vibrational energy to generate electricity

technical field

The utility model relates to a shock absorber which uses clean energy to generate electricity, in particular to a shock absorber which uses vibration energy to generate electricity.

Background technique

With the development of human beings, the continuous reduction of fossil energy on the earth, the increasing demand for energy and the strengthening of environmental protection in all countries in the world, the promotion and application of clean energy has become an inevitable trend

Shock absorbers are used in a wide range of industries. The bumpy force caused by the uneven driving of the car causes the shock absorber to move up and down to generate kinetic energy. If it is modified to make it a shock absorber with the function of generating clean energy, it will definitely Contribute to the promotion of clean energy.

Utility model content

The utility model aims to solve the problem that the kinetic energy generated by the up and down movement of the shock absorber is not well utilized in life and work.

The technical solution adopted by the utility model is: a shock absorber that uses vibration energy to generate electricity, which is characterized in that: it includes a hollow working cylinder and a cylindrical permanent magnet fixedly connected to the outer wall of the working cylinder; the working cylinder The upper and lower parts inside the barrel are respectively provided with an upper piston and a lower piston that can slide on the inner side of the working cylinder; the top surface of the upper piston is fixedly connected with a piston rod, and the upper part of the piston rod protrudes from the top surface of the working cylinder. The bottom surface of the upper piston is provided with a No. 1 ring-type conductive sheet for conducting electricity; the bottom surface of the lower piston is fixed with a No. 2 annular conductive sheet for conducting electricity, and there is a A plurality of piezoelectric elements, a damping spring and a power generation bracket are arranged between the upper piston and the lower piston, and the power generation bracket can cut the magnetic field generated by the cylindrical permanent magnet along with the up and down movement of the upper piston and the lower piston.

Further, a return spring is sheathed on the upper piston.

Further, the power generation support includes a power generation rod, an upper fixed rod and a lower fixed rod. The upper end of the power generation rod is hinged to the lower end of the upper fixed rod. There is ample margin between the working cylinder and the limit position.

Further, the lower end of the No. 1 ring-shaped conductive sheet is fixedly connected to the upper fixing rod, and the current is collected and sent to the outside of the shock absorber through the No. 1 conductive hole through the conductive rod and the wire.

Further, the upper end of the No. 2 annular conductive sheet is fixedly connected to the fixed rod, and the current is transmitted to the outside through the conductive hole and the No. 3 conductive hole, and the external is connected to a rectifier to convert the alternating current generated by the reciprocating motion of the generating pole into direct current.

Further, the upper fixing rod, the generating rod, the lower fixing rod, the No. 1 annular conductive sheet, the No. 2 annular conductive sheet, the upper piston, the lower piston and the working cylinder are completely insulated to ensure that the power generation device does not affect the shock absorber. external.

Further, the magnetization method of the cylindrical permanent magnet is horizontal radial magnetization.

The beneficial effects and characteristics of the utility model are: ① the device makes full use of the damping motion during shock absorption while the device is shock-absorbing, and generates electromotive force power generation by cutting the magnetic field lines through the generating pole, which is green and environmentally friendly and energy-saving; ② the structure is reliable and the production The cost is low, the use is convenient, and the post-maintenance cost is low; ③ the application range is wide, the principle and structure are simple, and the production cost is low.

Description of drawings

Fig. 1 is the sectional structure schematic diagram of preferred embodiment of the present utility model;

Fig. 2 is a schematic diagram of the internal structure of the working cylinder (numbered 9) in Fig. 1;

Fig. 3 is a schematic diagram of the external structure of the embodiment in Fig. 1;

Fig. 4 is the three-dimensional structure schematic diagram of embodiment in Fig. 1 cut;

Fig. 5 is a schematic diagram of the charging circuit in the working state of the utility model embodiment;

The symbols in the figure represent respectively: 1-return spring, 2-piston rod, 3-upper piston, 4-upper fixed rod, 5-shock absorbing spring, 6-generating rod, 7-lower fixed rod, 8-piezoelectric element, 9-working cylinder, 10-No. 1 conductive hole, 11-No. 1 annular conductive sheet, 12-cylindrical permanent magnet, 13-No. 2 conductive hole, 14-No. 2 annular conductive sheet, 15-lower piston, 16 -No. 3 conductive hole, 17-conductive rod.

detailed description

Below in conjunction with accompanying drawing, the utility model is further described:

As shown in Figure 1, Figure 2 and Figure 3, a shock absorber that uses vibration energy to generate electricity is characterized in that it includes a hollow working cylinder 9 and a cylindrical permanent magnet 12 fixedly connected to the outer wall of the working cylinder ; The magnetization mode of the cylindrical permanent magnet 12 is horizontal radial magnetization, so as to ensure that the direction of the magnetic field is perpendicular to the horizontal component and the vertical motion component of the generating rod 6, and the upper and lower parts of the working cylinder 9 are respectively An upper piston 3 and a lower piston 15 that can slide on the inner side of the working cylinder 9 are provided;

The top surface of the upper piston 3 is fixedly connected with the piston rod 2, and the top of the piston rod 2 protrudes from the top surface of the working cylinder 9, and the bottom surface of the upper piston 3 is provided with a No. 1 ring-type conductive sheet 11 for conducting electricity; The bottom surface of the lower piston 15 is fixedly provided with a No. 2 annular conductive sheet 14 for conducting electricity, and a plurality of piezoelectric elements 8 are arranged between the bottom surface of the lower piston 15 and the inner bottom surface of the working cylinder 9. The upper piston 3 and the lower piston 15 A shock absorbing spring 5 and a power generating support are arranged between them, and the shock absorbing spring 5 adopts a general helical spring, and the described generating support can carry out the magnetic field generated by the cylindrical permanent magnet 12 along with the up and down movement of the upper piston 3 and the lower piston 15. Cutting, the power generation bracket includes a power generation rod 6, an upper fixed rod 4 and a lower fixed rod 7, the upper end of the power generation rod 6 is hinged with the lower end of the upper fixed rod 4, the upper end is a rotating end, and the lower end is a sliding end, so as to ensure that the power generation rod can normally movement, and when moving to the limit position, there is ample margin with the working cylinder 9.

As a better solution, the upper piston 3 is covered with a return spring 1, which can move in a small range in the axial direction, so as to ensure that the shock absorber does not collide with the working cylinder 9 when it rebounds.

The lower end of the No. 1 annular conductive sheet 11 is fixedly connected with the upper fixing rod 4, and the current is gathered, and is transported to the outside of the shock absorber through the conductive rod 17 and the wire through the No. 1 conductive hole 10; the upper end of the No. 2 annular conductive sheet 14 It is fixedly connected with the fixed pole 7, and the current is transmitted to the outside through the conductive hole 13 and the third conductive hole 16, and the external rectifier is connected to convert the alternating current generated by the reciprocating motion of the generating pole 2 into direct current.

As a preferred solution, the upper fixed rod 4, the generating rod 6, the lower fixed rod 7, the No. 1 annular conductive sheet 11, the second annular conductive sheet 14, the upper piston 3, the lower piston 15 and the working cylinder 9 are completely insulated , to ensure that the power generation device does not affect the outside of the shock absorber.

According to the principle of power generation, the conductive rod 17 runs through the upper piston 3 tightly to ensure that it is linked with the piston rod 2 and does not fall off during movement, and does not affect the cutting of the magnetic field line by the power generating rod 6 when it rotates. The upper end of the generating rod 6 is hinged with the lower end of the upper fixing rod 4, so that the piston rod 2 moves up and down to drive the generating rod 6 to move and can cut the magnetic field lines to generate electric energy. The magnetic field is provided by a cylindrical permanent magnet 12 magnetized in the horizontal radial direction; The rod 2 moves up and down to transmit the pressure to the damping spring 5, and the spring force of the damping spring is transmitted downward to the lower piston 15, so that the lower piston 15 is linked. Component 8 relies on the piezoelectric effect to generate electrical energy, and then rectifies it through the rectifier outside the shock absorber in Figure 5 to convert the unstable alternating current generated by vibration energy into stable direct current. The No. 1 annular conductive sheet 11 and the No. 2 annular conductive sheet 14 gather the electric energy generated by the power generation support and lead out from the No. 1 conductive hole 10 by connecting the conductive wire on the conductive rod 17 of FIG. The conductive hole 13 is connected to a rectifier to convert the alternating current into a direct current, and after being connected in parallel with the piezoelectric element 8, it is derived from the third conductive hole 16 together.

The basic principles and main features of the present utility model and the advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the structural relationship and principle of the utility model, without departing from the spirit and scope of the utility model. , the utility model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents.

Claims (7)

1. A shock absorber utilizing vibration energy to generate electricity is characterized in that: it comprises a hollow working cylinder (9) and a cylindrical permanent magnet (12) fixedly connected to the outer side of the working cylinder; the working cylinder (9) The upper and lower parts of the interior are respectively provided with an upper piston (3) and a lower piston (15) that can slide on the inner surface of the working cylinder (9); the top surface of the upper piston (3) is fixedly connected with a piston rod (2), the top of the piston rod (2) protrudes from the top surface of the working cylinder (9), and the bottom surface of the upper piston (3) is provided with a No. 1 ring-type conductive sheet (11) for conducting electricity; the lower piston 15 The bottom surface of the bottom surface is fixedly provided with the No. 2 annular conductive sheet (14) for conducting electricity, and a plurality of piezoelectric elements (8) are arranged between the bottom surface of the lower piston 15 and the inner bottom surface of the working cylinder (9), and the upper piston (3 ) and the lower piston (15) are provided with a damping spring 5 and a power generation bracket, and the power generation bracket can generate magnetic field for cutting. 2. The shock absorber using vibration energy to generate electricity according to claim 1, characterized in that a return spring (1) is sheathed on the upper piston (3). 3. The shock absorber utilizing vibration energy to generate electricity according to claim 1, characterized in that: the power generating bracket comprises a power generating rod (6), an upper fixing rod (4) and a lower fixing rod (7), and the generating rod ( 6) The upper end is hinged with the lower end of the upper fixed rod (4), the upper end is the rotating end, and the lower end is the sliding end, so as to ensure the normal movement of the generating rod, and there is ample margin between the working cylinder (9) and the working cylinder (9) when it moves to the limit position. 4. The shock absorber using vibration energy to generate electricity according to claim 3, characterized in that: the lower end of the No. 1 ring-shaped conductive piece (11) is fixedly connected to the upper fixing rod (4) to gather the current and conduct The rod (17) and the wire are delivered to the outside of the shock absorber through the No. 1 conductive hole (10). 5. The shock absorber using vibration energy to generate electricity according to claim 3, characterized in that: the upper end of the No. 2 annular conductive piece (14) is fixedly connected with the fixed rod (7), and the conductive hole (13) and the three No. conduction hole (16) conveys electric current to the outside, and the external rectifier converts the alternating current generated by the reciprocating motion of the generating rod (6) into direct current. 6. The shock absorber utilizing vibration energy to generate electricity according to claim 3, characterized in that: the upper fixed rod (4), the generating rod (6), the lower fixed rod (7), the No. 1 annular conductive sheet ( 11), No. 2 annular conductive sheet (14), upper piston (3), lower piston (15) and working cylinder (9) are completely insulated, so as to ensure that the power generating device does not affect the outside of the shock absorber. 7. The shock absorber using vibration energy to generate electricity according to any one of claims 1-6, characterized in that: the magnetization method of the cylindrical permanent magnet (12) is horizontal radial magnetization.