KR20200138028A - Hybrid power generation system of energy stand alone type - Google Patents

Abstract

The present invention relates to a hybrid power generation system of an energy self-standing type, which is installed at the outside of a cylinder having a magnetic ring on a piston. To this end, the hybrid power generation system of the present invention is to secure more power in proportion to the volume by combining two or more energy harvesting methods. The hybrid power generation system of the present invention comprises: a first piezoelectric element having one side fixed to the inside in a cantilever form; a first magnetic vibration weight coupled to the other side of the first piezoelectric element and vertically moved by a magnetic force with a magnetic ring due to a reciprocating motion of a piston to deform and vibrate the first piezoelectric element; a first electromotive force generating member disposed to be spaced apart from at a lower portion of the other side of the first piezoelectric element, and generating an electromotive force as the first magnetic vibration weight is vertically moved; a second piezoelectric element having one side connected to an upper portion of the other side of the first piezoelectric element while being spaced apart therefrom; a second magnetic vibration weight connected to a lower portion of the other side of the second piezoelectric element; a second electromotive force generating member for generating an electromotive force as the second magnetic vibration weight is vertically moved; a third piezoelectric element having one side to support the second electromotive force generating member and the other side connected to an upper portion of the first electromotive force generating member, and spaced apart from the lower portion of the other side of the first piezoelectric element; and a communication module for using power generated by the first to third piezoelectric elements and the first and second electromotive force generating members for communication with an external device.

Description

Energy-independent hybrid power generation system {HYBRID POWER GENERATION SYSTEM OF ENERGY STAND ALONE TYPE}

An embodiment of the present invention relates to an energy independent hybrid power generation system.

Energy harvesting refers to a technology that collects environmental energy around a device and energy generated in the surroundings, such as the sun and wind, and converts it into electrical energy.

In connection with this harvesting technology, energy harvesting energy from discarded or unused resources has a range of μW to mW, and various structures and methods are being studied to obtain as much energy as possible.

Representative harvesting systems used in the process of converting energy are widely used for thermal energy conversion, piezoelectric energy, electromagnetic induction energy, electrostatic energy, and RF energy. Energy sources obtained by converting mechanical energy into electrical energy are used in various configurations such as piezoelectric, static electricity, electromagnetic induction, and RF energy.

Currently, a battery is used as a method that is widely used in wireless sensor systems, and a number of low-power IC chips and electronic devices have been developed and made to increase the operating time and lifespan. However, since the life of the battery is fixed, periodic replacement and replacement Additional costs due to management are largely incurred.

Where periodic battery replacement and maintenance costs are a problem, it is necessary to incorporate energy harvesting technology.

However, in order to obtain a large power, the volume of the device becomes large, and in order to obtain a certain amount of energy, the device becomes saturated, or in order to obtain more energy, it is limited in terms of structure.

Unexamined Patent Publication No. 10-2010-0108015 (Publication date: October 6, 2010) Unexamined Patent Publication No. 10-2012-0117547 (published date: October 24, 2012)

An embodiment of the present invention provides an energy independent hybrid power generation system for securing more power in proportion to the volume by combining two or more energy harvesting methods.

An energy independent hybrid power generation system according to an embodiment of the present invention relates to a power generation system installed on the outside of a cylinder having a magnetic ring on a piston to independently generate energy, and one side is fixed therein in the form of a cantilever. 1 piezoelectric element; A first magnetic vibration weight coupled to the other side of the first piezoelectric element and moving in a vertical direction by a magnetic force with the magnetic ring according to a reciprocating motion of the piston to deform and vibrate the first piezoelectric element; A first electromotive force generating member spaced apart from the other side of the first piezoelectric element and generating electromotive force as the first magnetic vibration weight moves in an up-down direction; A second piezoelectric element connected in a state in which one side is spaced apart from an upper portion of the other side of the first piezoelectric element; A second magnetic vibration weight connected to a lower portion of the other side of the second piezoelectric element; A second electromotive force generating member generating electromotive force as the second magnetic vibration weight moves in an up-down direction; A third piezoelectric element having one side supporting the second electromotive force generating member, the other side being connected to an upper portion of the first electromotive force generating member, and spaced apart from a lower portion of the other side of the first piezoelectric element; And a communication module that uses power generated by the first piezoelectric element, the second piezoelectric element, the third piezoelectric element, the first electromotive force generating member, and the second electromotive force generating member for communication with an external device. do.

The piezoelectric element further includes a fixing member for fixing the piezoelectric element in a cantilever shape, wherein the fixing member includes: a post fixing one side of the piezoelectric element; And a bottom plate formed to face the piezoelectric element from a lower end of the post in a direction parallel to the piezoelectric element, and having an open hole formed at a portion facing the first magnetic vibration weight.

In addition, the first electromotive force generating member is fixed to an upper surface of an end of the bottom plate, has a height shorter than a separation distance between the first piezoelectric element and the bottom plate, and has a first cylindrical shape into which the first magnetic vibration addition is inserted. Winding member; And A first coil wound around the first winding member and providing power generated by vertical movement of the first magnetic vibration weight to the communication module may be included.

In addition, the first electromotive force generating member extends from an outer periphery of each of the upper and lower ends of the first winding member along a direction perpendicular to the longitudinal direction of the first winding member to face each other in a flat ring shape. It may further include an upper ring plate and a lower ring plate each made.

In addition, a first elastic member supporting the second piezoelectric element from an upper portion of the other side of the first piezoelectric element and connecting an upper portion of the other side of the first piezoelectric element and a lower portion of one side of the second piezoelectric element; And at least one second elastic member supporting the third piezoelectric element from an upper portion of the first electromotive force generating member, and connecting an upper portion of the first electromotive force generating member and a lower portion of the other side of the third piezoelectric element. can do.

In addition, the third piezoelectric element may include a flat ring-shaped ring plate disposed spaced apart between the first piezoelectric element and the first electromotive force generating member and penetrating the first magnetic vibration weight; And a bar-shaped piezoelectric plate in which one side is connected to the ring plate and the second electromotive force generating member is fixed on the other side.

In addition, the second electromotive force generating member is fixed to an upper portion of one side of the third piezoelectric element, has a height shorter than the separation distance between the second piezoelectric element and the third piezoelectric element, and the second magnetic vibration addition is inserted A cylindrical second winding member; And a second coil wound around the second winding member and providing electric power generated by vertical movement of the second magnetic vibration weight to the communication module.

According to the present invention, it is possible to provide an energy independent hybrid power generation system for securing more power in proportion to the volume by combining two or more energy harvesting methods.

1 is a diagram showing a schematic configuration of a pneumatic or hydraulic cylinder to which an energy independent hybrid power generation system according to an embodiment of the present invention is applied.
2 is a diagram schematically showing the overall configuration of an energy independent hybrid power generation system applied to a cylinder according to the present embodiment.
3 and 4 are diagrams showing the configuration and operation of a first energy harvesting device having a cantilever structure according to the present embodiment.
5 is a graph measuring the voltage generated by the first energy harvesting device according to the experimental example of the present invention.
6 is a view showing a structure applied to a second energy harvesting device according to an embodiment of the present invention.
7 and 8 are diagrams showing the configuration and operation of a second energy harvesting device having a cantilever structure according to the present embodiment.
9 is a graph measuring voltage generated by a second energy harvesting device according to an experimental example of the present invention.
10 is a view showing an additional configuration of an energy independent hybrid power generation system according to an embodiment of the present invention.
11 is a plan view showing the configuration of the third piezoelectric element shown in FIG. 10.

The terms used in the present specification will be briefly described, and the present invention will be described in detail.

The terms used in the present invention have been selected from general terms that are currently widely used while considering functions in the present invention, but this may vary depending on the intention or precedent of a technician working in the field, the emergence of new technologies, and the like. In addition, in certain cases, there are terms arbitrarily selected by the applicant, and in this case, the meaning of the terms will be described in detail in the description of the corresponding invention. Therefore, the terms used in the present invention should be defined based on the meaning of the term and the overall contents of the present invention, not a simple name of the term.

When a part of the specification is said to "include" a certain component, it means that other components may be further included rather than excluding other components unless otherwise stated. In addition, terms such as "... unit" and "module" described in the specification mean a unit that processes at least one function or operation, which may be implemented as hardware or software or a combination of hardware and software. .

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those of ordinary skill in the art may easily implement the present invention. However, the present invention may be implemented in various different forms and is not limited to the embodiments described herein. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and similar reference numerals are assigned to similar parts throughout the specification.

1 is a diagram showing a schematic configuration of a pneumatic or hydraulic cylinder to which an energy independent hybrid power generation system according to an embodiment of the present invention is applied, and FIG. 2 is a schematic view of the overall configuration of an energy independent hybrid power generation system applied to a cylinder according to the present embodiment. 3 and 4 are views showing the configuration and operation of the first energy harvesting device having a cantilever structure according to the present embodiment.

First, as shown in FIGS. 1 and 2, the energy-independent hybrid power generation system 1000 according to an exemplary embodiment of the present invention may be used to supply wired/wireless communication power of the cylinder 10.

The cylinder 10 is mainly used when moving or fixing a product in an industrial process. In general, a magnetic ring 12 is mounted on the piston 11 inside the cylinder 10, so that a Hall sensor (not shown) ) Is used to detect the magnetic ring 12 and to check the operating state of the cylinder 10. When the magnetic ring 12 inside the cylinder 10 moves while the piston 12 operates, it reacts with the magnet of the Hall sensor (not shown) installed outside, but more specifically pulls and pushes each other. .

In this embodiment, primary power can be obtained through energy harvesting by using the interaction with the magnetic ring 12 mounted on the piston 11 of the cylinder 10, and hereinafter, energy harvesting A first energy harvesting device having a cantilever structure for obtaining primary power through a device will be described in detail.

2 and 3, the energy-independent hybrid power generation system 1000 according to an embodiment of the present invention includes a first piezoelectric element 100, a first magnetic vibration weight 200, a fixing member 300, and a communication module. Includes (not shown).

One side of the first piezoelectric element 100 may have a cantilever shape and may be fixed inside, that is, above the post 310 to be described later. The first piezoelectric element 100 may be formed in the form of a thin and long rod, and therein, a piezoelectric material (or piezoelectric material), that is, a material having a property of generating electricity on the surface of a crystal when pressure is applied in a specific direction, It may include a metal plate connected to the top/bottom of the device, and such a metal plate acts as an electrode to rectify an electrical signal generated from a piezoelectric material (or material material), convert it to direct current, and transfer it to the built-in battery for charging. To be.

The first magnetic vibration weight 200 is coupled to the lower end of the other side of the first piezoelectric element 100 and directed downward, that is, installed toward a bottom plate 320 to be described later, but spaced apart from the bottom plate 320 Can be installed in the state. In addition, the first magnetic vibration weight 200 moves in the vertical direction by the magnetic force with the magnetic ring 12 according to the reciprocating motion of the piston 11, thereby deforming and vibrating the first piezoelectric element 100 in the vertical direction. I can.

The first magnetic vibration weight 200 may be formed in a cylindrical shape, but is not limited thereto, and may be formed in various structures having a predetermined length and mass (weight).

In the present embodiment, piezoelectric harvesting generates electrical energy by using mechanical energy vibration. As such, most piezoelectric energy harvesting uses a method of attaching an object having a predetermined mass to the end of the cantilever method. This is because the fixed-free boundary condition causes the largest strain (or strain) in the piezoelectric material. Magnetic force is generated between the magnetic ring 12 inside the pneumatic or hydraulic cylinder 10 and the first magnetic vibrating weight 200 fixed to the end of the first piezoelectric element 100, and the cantilever structure Electric power may be generated by deformation (vibration) of the first piezoelectric element 100.

The fixing member 300 is a means for fixing the first piezoelectric element 100 in a cantilever shape, and may include a post 310 and a bottom plate 320.

The post 310 may have a substantially vertically erected plate structure, and one side of the first piezoelectric element 100 may be fixed thereon.

The bottom plate 320 may have a substantially plate structure that is bent and extended substantially vertically from the lower end of the post 310, and formed to face the first piezoelectric element 100 in a direction parallel to the lower end of the post 310 In addition, an open hole 321 may be formed in a portion facing the first magnetic vibration weight 200. This open hole 321 is a shape for minimizing interference when magnetic force is generated between the first magnetic vibration weight 200 and the magnetic ring 12 mounted on the piston 11, and in particular, the height of the post 310 is fixed. In this state, when the first magnetic vibration weight 200 moves up and down, the vibration width may be maximized.

The post 310 and the bottom plate 320 may be formed of a material and structure that does not interfere or interfere with the generation of magnetic force between the first magnetic vibration weight 200 and the magnetic ring 12 installed on the piston 11.

The communication module (not shown) may use power generated by deformation (vibration) of the first piezoelectric element 100 for communication with an external device (cylinder monitoring/control device). That is, the communication module (not shown) transmits data for monitoring the operation state of the cylinder 10 to the outside in a wireless or wired manner, and at this time, the required power can be used to use the power generated by the piezoelectric element 10. will be.

5 is a graph measuring the voltage generated by the first energy harvesting device according to the experimental example of the present invention.

The first piezoelectric element 100 used for the experimental example shown in FIG. 5 is a cantilever-shaped experimental structure manufactured using a 3D printer using MIDE's PPA-1022, and the performance of the piezoelectric element is shown in the table below. Same as 1.

<Table 1>

In this experimental example, when the deformation rate of the first piezoelectric element 100 is generated according to the surface of the first piezoelectric element 100 and the height of the magnetic 200, and vibration (vibration) occurs due to attraction and repulsion between the two magnets It is the same as the structure shown in FIG. 3 to check the generated power value.

In the first energy harvesting device of FIG. 3, a neodium magnet having a diameter of 8 mm and a height of 10 mm was attached to the end of the cantilever-type first piezoelectric element 100 as the first magnetic vibration weight 200, and the magnetic ring 12 Each time) moves, repulsive force and stress are generated, so that the first magnetic vibrating weight 200 reacts, and power is generated due to the repulsive force and bending of the cantilever-type first piezoelectric element 100.

As shown in FIG. 5, instantaneous power was generated by the deformation of the first piezoelectric element 100 while the first magnetic vibration weight 200 was attached to the surface of the cylinder 10, and the first magnetic vibration weight 200 ) It was possible to check the waveform in which power is generated by the vibration generated when falling from the surface of the cylinder 10.

As shown in Table 2 below, when the magnetic ring 12 inside the cylinder 10 moves, the first magnetic vibrating weight 200 attached to the cantilever-type piezoelectric element 10 reacts by the magnetic force, and the piezoelectric element The distance causing the deformation of (10) is suitable for about 4-6 mm, and a maximum of 0.178 mW was generated. This generated power can be collected and used as a power supply.

<Table 2>

6 is a diagram showing a structure applied to a second energy harvesting device according to an embodiment of the present invention, and FIGS. 7 and 8 illustrate the configuration and operation of a second energy harvesting device having a cantilever structure according to the present embodiment. It is a figure shown.

6 to 8, the energy-independent hybrid power generation system 1000 according to an embodiment of the present invention may further include a first electromotive force generating member 400 for generating more power.

The first electromotive force generating member 400 is a means for generating electromotive force as the magnetic vibration weight moves in the vertical direction, and the winding member 410, the first coil 420, the upper ring plate 430 and the lower ring It may include a plate 440.

The winding member 410 is fixed to the upper surface of the end of the bottom plate 320, has a height shorter than the separation distance between the first piezoelectric element 100 and the bottom plate 320, and has a first magnetic vibration weight 200 May be partially inserted inside. That is, the height of the winding member 410 is made such that it does not reach the bottom surface of the first piezoelectric element 100 from the top surface of the bottom plate 320, and at this time, one side of the first magnetic vibration weight 200 is wound. It may be partially inserted into the member 410.

The winding member 410 may have a cylindrical shape, but is not limited thereto, and may be variously changed according to the structure of the first magnetic vibrating weight 200.

The first coil 420 is wound on the outer circumferential surface of the winding member 410 and may additionally provide power generated by the vertical movement of the first magnetic vibration weight 200 to a communication module (not shown).

The upper ring plate 430 may extend from the outer periphery of the upper end of the winding member 410 along a direction perpendicular to the length direction of the winding member 410 to face the lower ring plate 440. This upper ring plate 430 may be formed in a flat ring shape.

The lower ring plate 440 may extend from the outer periphery of the lower end of the winding member 410 along a direction perpendicular to the length direction of the winding member 410 to face the upper ring plate 430. The lower ring plate 440 may have a flat ring shape.

The upper ring plate 430 may limit the downward vibration width of the first piezoelectric element 100 and increase the vibration period of the first piezoelectric element 100 while colliding with the first piezoelectric element 100. .

In addition, the lower ring plate 440 may serve to fix the first electromotive force generating member 400 to the bottom plate 320. To this end, a fixing protrusion 441 may be formed on the lower surface of the lower ring plate 440, and the fixing protrusion 441 is a fixing groove 322 additionally formed around the open hole 322 of the bottom plate 320. ), it is possible to fix the first electromotive force generating member 400 to the bottom plate 320. In this case, as an insertion method, the first electromotive force generating member 400 may be firmly coupled to and fixed to the bottom plate 320 by various methods such as sliding insertion and force fitting.

9 is a graph measuring voltage generated by a second energy harvesting device according to an embodiment of the present invention.

In this experimental example, the results of the electromotive force obtained by the vibration phenomenon caused by the recoil of the first magnetic vibration weight 200 by adding the first coil 420 are summarized as shown in Table 3 below.

<Table 3>

In addition, as shown in Fig. 9, the power obtained in proportion to the number of windings is obtained according to Faraday's law, and the vibration of the first magnetic vibrating weight 200 fixed to the cantilever-type first piezoelectric element 100 Additional electromotive force can be obtained through

FIG. 10 is a view showing an additional configuration of an energy independent hybrid power generation system according to an embodiment of the present invention, and FIG. 11 is a plan view showing the configuration of the third piezoelectric element shown in FIG. 10.

10 and 11, the energy independent hybrid power generation system 1000 according to an embodiment of the present invention includes a second piezoelectric element 500, a second magnetic vibration weight 600, and a second electromotive force generating member 700. , A third piezoelectric element 800 and first and second elastic members 910 and 920 may be further included.

The second piezoelectric element 500 may be connected in a state in which one side is spaced apart from the upper portion of the other side of the first piezoelectric element 100 through the first elastic member 910, and the structure thereof may be formed in a substantially bar shape. The second piezoelectric element 500 may be formed in a cantilever shape by fixing one lower portion of the first elastic member 910 to the upper portion of the first elastic member 910 by the first elastic member 910. During the vertical motion by the first elastic member 910, elasticity is additionally received and vertically vibrates, thereby generating electricity.

Inside the second piezoelectric element 500, a piezoelectric material (or piezoelectric material), that is, a material having a property of generating electricity on the surface of a crystal when pressure is applied in a specific direction, and a metal plate connected to the top/bottom of the material are provided. Such a metal plate serves as an electrode to rectify an electrical signal generated from a piezoelectric material (or material material), convert it to direct current, and transfer it to a built-in battery for charging.

The second magnetic vibration weight 600 is coupled to a lower portion of the other side of the second piezoelectric element 500 and fixed to face downward, and a part of the second magnetic vibration weight 600 may be disposed inside the second electromotive force generating member 700. The second magnetic vibration weight 600 further increases the deformation and vibration of the second piezoelectric element 500 in the vertical direction, and generates electric power through interaction with the second electromotive force generating member 700.

The second electromotive force generating member 700 may generate electromotive force as the second magnetic vibration weight 600 moves in the vertical direction. To this end, the second electromotive force generating member 700 may include a second winding member 710 and a second coil 720.

The second winding member 710 is fixed to an upper portion of one side of the third piezoelectric element 800, has a height shorter than the separation distance between the second piezoelectric element 500 and the third piezoelectric element 800, and has a second A portion of the magnetic vibration weight 600 may be inserted into a cylindrical structure. Further, referring to A1 (the second electromotive force generating member installation zone) of FIG. 11, it may be disposed on the end of the piezoelectric plate 820.

The second coil 720 may be wound around the second winding member 710 and may provide power generated by vertical movement of the second magnetic vibration weight 600 to a communication module (not shown).

The third piezoelectric element 800 has one side supporting the second electromotive force generating member 700 and the other side connected to the upper portion of the first electromotive force generating member 400 to be installed on the first electromotive force generating member 400 It may be supported by the second elastic member 920 to be formed, and may be installed at a position spaced apart from the lower portion of the other side of the first piezoelectric element 100. The third piezoelectric element 800 may include a ring plate 810 and a piezoelectric plate 820.

The ring plate 810 is supported by a plurality of second elastic members 920 installed on the first electromotive force generating member 400, and the first piezoelectric element 100 is formed by the length of the second elastic member 920. And the first electromotive force generating member 400 may be spaced apart from each other, and the spacing distance is set to be shorter than the vertical vibration width of the first piezoelectric element 100 so that the first piezoelectric element 100 vibrates vertically and strikes It is desirable to be as good as possible.

As shown in FIG. 11, the ring plate 810 may be formed in a flat ring shape through which the first magnetic vibration weight 200 passes, for example, a shape corresponding to the upper ring plate 430, and has a vibration coefficient. It may be made of a high material (that is, a material or material that is well vibrated) or the same configuration as the first and second piezoelectric elements 100 and 500. That is, when the ring frelite 810 serves as a piezoelectric element, a piezoelectric material (or piezoelectric material) inside the ring frelite 810, that is, a material having the property of generating electricity on the surface of the crystal when pressure is applied in a specific direction, It may include a metal plate connected to the top/bottom of the material, and this metal plate serves as an electrode to rectify an electrical signal generated from a piezoelectric material (or material material), convert it to direct current, and transfer it to the built-in battery for charging. To be able to.

The piezoelectric plate 820 has one side of the piezoelectric plate 820 connected to the ring plate 810 as shown in FIG. 11 and a second electromotive force generating member 700 fixed on the other side as shown in FIG. It can be made in shape. That is, it may have a bar-shaped structure extending in a direction parallel to the ring plate 810 from one side of the ring-shaped ring plate 810.

The piezoelectric plate 820 includes a piezoelectric material (or piezoelectric material), that is, a material having a property of generating electricity on the surface of the crystal when pressure is applied in a specific direction, and a metal plate connected to the top/bottom of the material. The metal plate serves as an electrode and rectifies an electrical signal generated from a piezoelectric material (or material material), converts it to direct current, and transfers it to a built-in battery to be charged.

The first elastic member 910 supports the second piezoelectric element 500 from an upper portion of the other side of the first piezoelectric element 100, and the upper portion of the second piezoelectric element 500 and the other side of the first piezoelectric element 100 One lower portion can be connected in a spaced state. The elastic member 910 may be disposed on the same vertical line as the first magnetic vibration weight 200, and any structure capable of providing or transmitting elastic force in the vertical direction, such as a spring, is applicable.

The second elastic member 920 supports the third piezoelectric element 800 from the top of the first electromotive force generating member 400, and the upper portion of the first electromotive force generating member 400 and the third piezoelectric element 800 are You can connect the lower part of the other side. As shown in FIG. 11, the second elastic member 920 may be formed of a plurality of pieces uniformly disposed along the ring plate 810 (A2: refer to the second elastic member installation zone), and may be formed in a vertical direction such as a spring. Any structure that can provide or transmit elastic force is applicable.

Accordingly, the communication module (not shown) includes the first piezoelectric element 100, the first electromotive force generating member 400, as well as the second piezoelectric element 500, the second electromotive force generating member 600, and the third piezoelectric element. The power generated by 800 can be collected and used for communication with an external device by using this.

The energy-independent hybrid power generation system 1000 according to the additional configuration of the present embodiment includes not only power generated by the first piezoelectric element 100, the first magnetic vibration weight 200, and the first electromotive force generating member 400, but also 1 The elastic member 910 transmits the force generated by the vertical motion of the first piezoelectric element 100 to the second piezoelectric element 500, thereby generating power due to the movement of the second piezoelectric element 500, and the second piezoelectric element 500. ) By the movement of the second magnetic vibration weight 600 in the vertical direction, power generated by the interaction with the second electromotive force generating member 700, the first piezoelectric element 100 is a second piezoelectric element ( By striking 800, electric power generated from the second piezoelectric element 800 due to vibration weighted by the second elastic member 920 can be additionally obtained by the composite structure, and the second and third piezoelectric elements 500 The vertical vibration distance between the second magnetic vibration weight 600 and the second electromotive force generating member 700 is increased according to the vertical vibration of 800, so that efficient power generation is also possible.

What has been described above is only one embodiment for implementing the energy independent hybrid power generation system according to the present invention, and the present invention is not limited to the above embodiment, and as claimed in the claims below, the gist of the present invention Without departing from, anyone of ordinary skill in the field to which the present invention pertains will have the technical spirit of the present invention to the extent that various modifications can be implemented.

1000: energy independent hybrid power generation system
100: first piezoelectric element
200: first magnetic vibration weight
300: fixing member
310: Post
320: bottom plate
321: open hole
322: fixed groove
400: first electromotive force generation member
410: first winding member
420: second coil
430: upper ring plate
440: lower ring plate
441: fixed projection
500: second piezoelectric element
600: second magnetic vibration weight
700: second electromotive force generation member
710: second winding member
720: second coil
800: third piezoelectric element
810: ring plate
820: piezoelectric plate
910: first elastic member
920: second elastic member
A1 2nd electromotive force generation member installation zone
A2: second elastic member installation zone
10: cylinder
11: piston
12: magnetic ring

Claims (7)

It relates to a power generation system for independently generating energy by being installed on the outside of a cylinder having a magnetic ring on a piston,
A first piezoelectric element having one side fixed therein in a cantilever shape;
A first magnetic vibration weight coupled to the other side of the first piezoelectric element and moving in a vertical direction by a magnetic force with the magnetic ring according to a reciprocating motion of the piston to deform and vibrate the first piezoelectric element;
A first electromotive force generating member spaced apart from the other side of the first piezoelectric element and generating electromotive force as the first magnetic vibration weight moves in an up-down direction;
A second piezoelectric element connected in a state in which one side is spaced apart from an upper portion of the other side of the first piezoelectric element;
A second magnetic vibration weight connected to a lower portion of the other side of the second piezoelectric element;
A second electromotive force generating member generating electromotive force as the second magnetic vibration weight moves in an up-down direction;
A third piezoelectric element having one side supporting the second electromotive force generating member, the other side being connected to an upper portion of the first electromotive force generating member, and spaced apart from a lower portion of the other side of the first piezoelectric element; And
The first piezoelectric element, the second piezoelectric element, the third piezoelectric element, the first electromotive force generating member and the second electromotive force generating member comprising a communication module using the electric power for communication with an external device Energy independent hybrid power generation system, characterized in that.
The method of claim 1,
Further comprising a fixing member for fixing the piezoelectric element in a cantilever shape,
The fixing member,
A post fixing one side of the piezoelectric element; And
And a bottom plate formed to face the piezoelectric element from a lower end of the post in a direction parallel to the piezoelectric element, and having an open hole formed at a portion facing the first magnetic vibration weight.
The method of claim 2,
The first electromotive force generating member,
A cylindrical first winding member fixed to an upper surface of an end of the bottom plate, having a height shorter than a separation distance between the first piezoelectric element and the bottom plate, and inserting the first magnetic vibration weight; And
And a first coil wound around the first winding member and providing power generated by vertical movement of the first magnetic vibration weight to the communication module.
The method of claim 3,
The first electromotive force generating member,
An upper ring plate and a lower ring plate each extending in a direction perpendicular to the longitudinal direction of the first winding member from the outer peripheries of each of the upper and lower ends of the first winding member to face each other, respectively, formed in a flat ring shape. Energy independent hybrid power generation system, characterized in that it further comprises.
The method of claim 1,
A first elastic member supporting the second piezoelectric element from an upper portion of the other side of the first piezoelectric element, and connecting an upper portion of the other side of the first piezoelectric element and a lower portion of one side of the second piezoelectric element; And
Further comprising at least one second elastic member supporting the third piezoelectric element from an upper portion of the first electromotive force generating member, and connecting an upper portion of the first electromotive force generating member and a lower portion of the other side of the third piezoelectric element Energy independent hybrid power generation system, characterized in that.
The method of claim 5,
The third piezoelectric element,
A ring plate in the form of a flat ring disposed spaced apart between the first piezoelectric element and the first electromotive force generating member and penetrating the first magnetic vibration weight; And
An energy-independent hybrid power generation system comprising a bar-shaped piezoelectric plate having one side connected to the ring plate and fixing the second electromotive force generating member on the other side.
The method of claim 1,
The second electromotive force generating member,
A cylindrical second winding member fixed to an upper portion of one side of the third piezoelectric element, having a height shorter than a separation distance between the second piezoelectric element and the third piezoelectric element, and inserting the second magnetic vibration weight; And
And a second coil wound around the second winding member and providing power generated by the vertical movement of the second magnetic vibration weight to the communication module.

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