Vibration generation apparatus for lighting of street lamp and street lamp having the same

Abstract

According to the present invention, a vibration power generation device for streetlight lighting is provided, comprising a device installed on the outside of a pole of a streetlight to generate electricity, the device including: a first permanent magnet; a second permanent magnet positioned spaced apart from the first permanent magnet; a winding coil positioned between the first permanent magnet and the second permanent magnet; and a first elastic member coupled to the first permanent magnet, wherein the first permanent magnet vibrates by wind on the outside of the pole, and electricity is generated in the winding coil by a change in the magnetic field caused by a change in the distance between the first permanent magnet and the second permanent magnet due to the vibration.

Description

Technology Field

[0001] The present invention relates to a power generation device, and more specifically, to a power generation device installed in a street light to produce electricity. Background Technology

[0002] Published Patent No. 10-2019-0071132, a prior art patent document related to the present invention, describes a self-generating street light system utilizing vibrations generated from a bridge, comprising a configuration of a piezoelectric module that generates power by converting vibration energy into electrical energy in response to the vibrations of a vertically moving street light pole connected in multiple stages. Prior art literature

[0003] Republic of Korea Published Patent Application No. 10-2019-0071132 (June 24, 2019) The problem to be solved

[0004] The objective of the present invention is to provide a power generation device that generates electricity using vibration for use as street lighting, and a street light equipped with the same. means of solving the problem

[0005] In order to achieve the objective of the present invention as described above, according to one aspect of the present invention, a vibration power generation device for streetlight lighting is provided, comprising: a first permanent magnet; a second permanent magnet positioned spaced apart from the first permanent magnet; a winding coil positioned between the first permanent magnet and the second permanent magnet; and a first elastic member coupled to the first permanent magnet, wherein the first permanent magnet vibrates by wind outside the pole, and electricity is generated in the winding coil by a change in the magnetic field caused by a change in the distance between the first permanent magnet and the second permanent magnet due to the vibration.

[0006] In order to achieve the problem to be solved by the present invention as described above, according to another aspect of the present invention, a street light is provided comprising: a column; and a vibration power generation device installed on the outside of the column, wherein the vibration power generation device comprises a first permanent magnet and a second permanent magnet positioned spaced apart from each other, a winding coil positioned between the first permanent magnet and the second permanent magnet, and a first elastic member coupled to the first permanent magnet, wherein the first permanent magnet vibrates by wind on the outside of the column, and electricity is generated in the winding coil by a change in the magnetic field caused by a change in the distance between the first permanent magnet and the second permanent magnet due to the vibration. Effects of the invention

[0007] According to the present invention, all the objectives of the invention described above can be achieved. Specifically, a vibration generator installed on a pole of a street light comprises a first permanent magnet and a second permanent magnet arranged apart from each other, a winding coil located between the first permanent magnet and the second permanent magnet, a first elastic member coupled to the first permanent magnet, and a second elastic member coupled to the second permanent magnet, so that vibration is generated by an external force such as wind, causing the distance between the first permanent magnet and the second permanent magnet to change, thereby generating electricity in the winding coil. Brief explanation of the drawing

[0008] FIG. 1 illustrates a state in which a street light according to one embodiment of the present invention is installed on a street. FIG. 2 illustrates a vibration power generation device according to an embodiment of the present invention installed in a street light illustrated in FIG. 1. FIG. 3 is a perspective view illustrating the main configuration of the first vibration module and the second vibration module in the vibration power generation device shown in FIG. 2. FIG. 4 illustrates a vibration power generation device according to another embodiment of the present invention. FIG. 5 illustrates a vibration power generation device according to another embodiment of the present invention. Specific details for implementing the invention

[0009] Hereinafter, the configuration and operation of an embodiment of the present invention will be described in detail with reference to the drawings.

[0010] FIG. 1 illustrates a street light installed on a street according to an embodiment of the present invention. Referring to FIG. 1, a street light (100) according to an embodiment of the present invention comprises a column (101), a lighting device (105) installed on the column (101), a plurality of vibration power generation devices (110) installed on the column (101), a solar power generation device (180) installed on the column (101), and a secondary battery (190) installed on the column (101) to store electricity produced by the vibration power generation device (110) and the solar power generation device (180). In this embodiment, the road (R) where the street light (100) is installed is divided into a sidewalk (A) and a roadway (B), and the street light (100) is located adjacent to the roadway (B) on the sidewalk (A) as illustrated.

[0011] The column (101) extends upward from the ground of the road. A lighting device (105), a plurality of vibration power generation devices (110), a solar power generation device (180), and a secondary battery (190) are installed on the column (101). The column (101) is located on the sidewalk (A) adjacent to the roadway (B). The column (101) may include the configuration of a column used in a conventional street light.

[0012] The lighting device (105) is installed on the column (101) and generates light using electricity. The lighting device (105) generates light using electrical energy supplied from the secondary battery (190).

[0013] Each of the plurality of vibration power generation devices (110) is installed on a column (101) to generate electricity. The electricity generated from each of the plurality of vibration power generation devices (110) is supplied to and stored in a secondary battery (190). As a feature of the present invention, the vibration power generation device (110) generates vibration using a physical external force such as wind power and generates electricity using the vibration. In FIG. 2, the vibration power generation device (110) is shown in enlarged view. Referring to FIG. 1 and FIG. 2, the vibration power generation device (110) comprises a support (112) coupled to a column (101), a first vibration module (120) coupled to the support (112), and a second vibration module (150) coupled to the support (112).

[0014] The support member (112) is connected to and fixed to the column (101). The support member (112) is formed by protruding from the side of the column (101). The first vibration module (120) and the second vibration module (150) are connected to the support member (112). The support member (112) may be an elastic body that generates vibrations by an external force such as wind, and this is also within the scope of the present invention.

[0015] The first vibration module (120) is coupled to and fixed to a support (112). The first vibration module (120) comprises a first module body (130) and a first elastic member (145) that elastically supports the first module body (130).

[0016] The first module body (130) is positioned spaced apart on the support (112). The first module body (130) is elastically supported by the first elastic member (145) and vibrates due to an external force such as wind. Part of the configuration of the first module body (130) is illustrated in detail in FIG. 3. Referring to FIG. 2 and FIG. 3, the first module body (130) comprises a housing (131), a first permanent magnet (132) and a winding coil (140) that are housed inside the housing (131).

[0017] The housing (131) accommodates a first permanent magnet (132) and a winding coil (140) inside. The first permanent magnet (132) and the winding coil (140) are fixed to the housing (131). A first elastic member (145) is coupled to and fixed to the housing (131).

[0018] The first permanent magnet (132) is housed inside the housing (131) and fixed to the housing (131). In this embodiment, the first permanent magnet (132) is described as a face magnet. One side of the first permanent magnet (132) faces the winding coil (140).

[0019] The winding coil (140) is housed inside the housing (131) and fixed to the housing (131). The winding coil (140) is positioned so that its winding center is perpendicular to one side of the first permanent magnet (132) facing it. A passage (142) extending along the winding center is formed in the winding coil (140). Electricity generated from the winding coil (140) is stored in a secondary battery (190).

[0020] The first elastic member (145) elastically supports the first module body (130). The lower and upper ends of the first elastic member (145) are respectively connected to and fixed to the support (112) and the housing (131) of the first module body (130). The first elastic member (145) is equipped with a first coil spring portion (147). When an external force, such as wind power, acts on the vibration generator (110), vibration is generated in the first module body (130) by the first elastic member (145).

[0021] The second vibration module (150) is coupled to and fixed to the support (112). The second vibration module (150) comprises a second module body (160) and a second elastic member (170) that elastically supports the second module body (160).

[0022] The second module body (160) is positioned spaced apart from the support (112). The second module body (160) is elastically supported by the second elastic member (170) and vibrates due to an external force such as wind. The second module body (160) is equipped with a second permanent magnet (162) and a protruding permanent magnet (166) formed by protruding from the second permanent magnet (162).

[0023] The second permanent magnet (162) is located on the opposite side of the first permanent magnet (132) with the winding coil (140) of the first module body (130) in between, and is positioned spaced apart from the winding coil (140). In this embodiment, the second permanent magnet (162) is described as a plane magnet. The first permanent magnet (132) and the second permanent magnet (162) are arranged so that the same polarity faces each other, and a repulsive force is generated between the first permanent magnet (132) and the second permanent magnet (162). The repulsive force generated between the first permanent magnet (132) and the second permanent magnet (162) serves to induce a change in the distance between the first permanent magnet (132) and the second permanent magnet (162) due to vibration.

[0024] The protruding permanent magnet (166) is formed by protruding from the second permanent magnet (162). The protruding permanent magnet (166) extends from the second permanent magnet (162) toward the first permanent magnet (132) from the surface facing the first permanent magnet (132). The protruding permanent magnet (166) is movable by being received in a passage (142) formed in the winding coil (140), so that it can be guided to move in a direction in which the distance between the first module body (130) and the second module body (160) changes due to vibration. The protruding permanent magnet (166) is generally columnar in shape and is arranged so that it faces the first permanent magnet (132) with the same polarity. The protruding permanent magnet (166) may be formed by stacking a plurality of face magnets. The protruding permanent magnet (166) may also be formed as a single permanent magnet with the second permanent magnet (162). A protruding permanent magnet (166) is added to the second permanent magnet (162), thereby strengthening the repulsive force due to magnetic force.

[0025] The second elastic member (170) elastically supports the second module body (160). The lower and upper ends of the second elastic member (170) are respectively connected to and fixed to the support (112) and the second permanent magnet (162) of the second module body (160). The second elastic member (170) is equipped with a second coil spring portion (172). When an external force, such as wind power, acts on the vibration generator (110), vibration is generated in the second module body (160) by the second elastic member (170).

[0026] When an external force, such as wind power, acts on the vibration power generation device (110), vibration occurs in the first vibration module (120) and the second vibration module (150), and the distance between the first permanent magnet (132) and the second permanent magnet (162), which includes a protruding permanent magnet (166), changes with the winding coil (140) in between, and electricity is generated in the winding coil (140).

[0027] The present invention may include only one of the first elastic member (145) and the second elastic member (170), and this is also within the scope of the present invention.

[0028] Referring to FIG. 1, in this embodiment, some of the multiple vibration power generation devices (110) may be located on the sidewalk (A) side and others on the roadway (B) side. In this embodiment, among the multiple vibration power generation devices (110), those located on the sidewalk (A) side relative to the column (101) are located on the upper part of the column (101), and those located on the sidewalk (B) side relative to the column (101) are located lower and closer to the ground than those located on the sidewalk (A) side to utilize the wind power generated by a moving vehicle (V).

[0029] FIG. 4 illustrates a vibration power generation device according to another embodiment of the present invention. Referring to FIG. 4, the vibration power generation device (210) comprises a support (112), a first vibration module (220) coupled to the support (112), a second vibration module (150) coupled to the support (112), and a coil module (290) coupled to the support (112).

[0030] The support (112) has the same configuration as the support (112) of the embodiment shown in FIG. 2.

[0031] The first vibration module (220) is coupled to and fixed to the support (112). The first vibration module (220) comprises a first module body (230) and a first elastic member (245) that elastically supports the first module body (230).

[0032] The first module body (230) is positioned spaced apart from the support (112). The first module body (230) is elastically supported by a first elastic member (245) and vibrates due to an external force such as wind. The first module body (230) is equipped with a first permanent magnet (232) and a first protruding permanent magnet (236) formed by protruding from the first permanent magnet (232).

[0033] The first permanent magnet (232) is a surface magnet and is formed integrally with the first protruding permanent magnet (236).

[0034] The first protruding permanent magnet (236) is formed by protruding from the first permanent magnet (232). The first protruding permanent magnet (236) extends from the first permanent magnet (232) along the longitudinal direction of the support (112). The first protruding permanent magnet (236) is generally columnar in shape and is positioned so that it is in contact with the first permanent magnet (232) with an opposite polarity. The first protruding permanent magnet (236) may be formed by stacking a plurality of face magnets. The first protruding permanent magnet (236) may also be formed as a single permanent magnet with the first permanent magnet (232).

[0035] The first elastic member (245) elastically supports the first module body (230). The lower and upper ends of the first elastic member (245) are respectively connected to and fixed to the support (112) and the first permanent magnet (232) of the first module body (230). The first elastic member (245) is equipped with a first coil spring portion (247). When an external force, such as wind power, acts on the vibration generator (110), vibration is generated in the first module body (230) by the first elastic member (245).

[0036] The second vibration module (150) is coupled to and fixed to the support (112). The second vibration module (150) comprises a second module body (160) and a second elastic member (170) that elastically supports the second module body (160). The second vibration module (150) has a configuration generally identical to the second vibration module (150) of the embodiment illustrated in FIG. 2 described above.

[0037] The second module body (160) is positioned spaced apart from the first module body (230). The second permanent magnet (162), which is a surface magnet provided in the second vibration module (150), is positioned to face the same polarity as the first permanent magnet (232) of the first module body (230).

[0038] The second module body (160) is provided with a second protruding permanent magnet (266), the second protruding permanent magnet (266) having the same configuration as the protruding permanent magnet (166) of the embodiment shown in FIG. 2, and is formed by extending from the second permanent magnet (162) toward the first module body (230).

[0039] Overall, the first module body (230) and the second module body (160) have stimuli of the same polarity facing each other.

[0040] The coil module (290) comprises a coil (140) and a coil support (295) that fixes the coil (140) to a support (112).

[0041] The winding coil (140) has a configuration generally identical to the winding coil (140) of the embodiment illustrated in FIG. 2 described above. The winding coil (140) is positioned such that the winding center is generally perpendicular to one side of the first permanent magnet (232) and one side of the second permanent magnet (162) facing each other. The first protruding permanent magnet (236) and the second protruding permanent magnet (166) are movably received in a passage (not shown) formed in the winding coil (140) so as to be movable along the extension direction, so that the vibration direction of the first module body (230) and the second module body (160) can be guided to be closer to or further apart from each other.

[0042] The present invention may include only one of the first elastic member (245) and the second elastic member (170), and this is also within the scope of the present invention.

[0043] FIG. 5 illustrates a vibration power generation device according to another embodiment of the present invention. Referring to FIG. 5, the vibration power generation device (310) includes a first vibration module (120) and a second vibration module (150). The vibration power generation device (310) illustrated in FIG. 5 can be understood as a configuration in which the support (112) is omitted from the vibration power generation device (110) of the embodiment illustrated in FIG. 1 and FIG. 2, and the first vibration module (120) and the second vibration module (150) are directly connected to a column (101).

[0044] Although not illustrated, the vibration power generation device (210) of the structure illustrated in FIG. 4 may also be installed without a support (112) as illustrated in FIG. 5, with the first vibration module (220), the second vibration module (150), and the coil module (290) directly connected to the column (101), and this is also within the scope of the present invention.

[0045] The solar power generation device (180) produces electricity using sunlight. The solar power generation device (180) is equipped with a solar panel (182) installed on a pillar (101). The electricity produced by the solar power generation device (180) is stored in a secondary battery (190).

[0046] The secondary battery (190) is installed on the pillar (101) to store electricity produced by the vibration power generation device (110) and the solar power generation device (180). The electricity stored in the secondary battery (190) is supplied as power to the lighting device (105).

[0047] Although the present invention has been described through the above embodiments, the present invention is not limited thereto. The above embodiments may be modified or changed without departing from the spirit and scope of the present invention, and those skilled in the art will understand that such modifications and changes are also within the scope of the present invention. Explanation of the symbols

[0048] 100: Streetlight 101: Pillar 105: Lighting device 110: Vibration generator 112: Support 120: 1st vibration module 130: 1st Module Body 131: Housing 132: First permanent magnet 140: Winding coil 145: First elastic member 150: Second vibration module 160: Second module body 162: Second permanent magnet 166: Protruding permanent magnet 170: Second elastic member 180: Solar power generation device 182: Solar panel 190: Secondary battery 210: Vibration generator 220: 1st vibration module 230: 1st module body 232: 1st permanent magnet 236: 1st protruding permanent magnet 266: Second protruding permanent magnet 290: Coil module 295: Coil support 310: Vibration generator

Claims

Claim 1 A vibration power generation device for streetlights, comprising a device installed on the outside of a pole of a streetlight to generate electricity, the device including: a first permanent magnet; a second permanent magnet positioned spaced apart from the first permanent magnet; a winding coil positioned between the first permanent magnet and the second permanent magnet; a first elastic member coupled to the first permanent magnet; and a second elastic member coupled to the second permanent magnet, wherein the first permanent magnet vibrates by wind on the outside of the pole, and electricity is generated in the winding coil by a change in the magnetic field caused by a change in the distance between the first permanent magnet and the second permanent magnet due to the vibration. Claim 2 A device for generating electricity installed on the exterior of a street light pole, comprising: a first permanent magnet; a second permanent magnet positioned spaced apart from the first permanent magnet; and a winding coil positioned between the first permanent magnet and the second permanent magnet. ; A vibration power generation device for street lighting, comprising: a first elastic member coupled to the first permanent magnet; and a protruding permanent magnet formed by protruding from the second permanent magnet toward the first permanent magnet; wherein the first permanent magnet vibrates by wind from the outside of the column, and electricity is generated in the winding coil by a change in the magnetic field caused by the change in the distance between the first permanent magnet and the second permanent magnet due to the vibration, and the winding coil vibrates together with the first permanent magnet, and the protruding permanent magnet moves reciprocally relative to the winding coil in a passage formed in the winding coil due to the vibration. Claim 3 delete Claim 4 delete Claim 5 A vibration generator for street lighting according to claim 1 or claim 2, wherein the first permanent magnet and the second permanent magnet are arranged such that their magnetic poles of the same polarity face each other. Claim 6 A vibration generator for street lighting according to claim 1, wherein the first elastic member comprises a first coil spring portion. Claim 7 A vibration generator for street lighting, wherein, in claim 1 or claim 2, the first permanent magnet and the second permanent magnet are plane magnets. Claim 8 A vibration generator for street lighting according to claim 1, further comprising a coil support member that fixes the winding coil to the column, wherein the first permanent magnet moves relative to the winding coil by the vibration. Claim 9 A vibration generator for street lighting according to claim 8, further comprising a first protruding permanent magnet formed by protruding from the first permanent magnet toward the second permanent magnet, and a second protruding permanent magnet formed by protruding from the second permanent magnet toward the first permanent magnet, wherein the first protruding permanent magnet reciprocates in a passage formed in the winding coil by the vibration. Claim 10 A vibration power generation device for streetlights, comprising a device installed on the outside of a pole of a streetlight to generate electricity, the device including: a support protruding from the pole; a first permanent magnet; a second permanent magnet positioned spaced apart from the first permanent magnet; a winding coil positioned between the first permanent magnet and the second permanent magnet; and a first elastic member coupled to the first permanent magnet, wherein the first elastic member is coupled to the support, the first permanent magnet vibrates by wind on the outside of the pole, and electricity is generated in the winding coil by a change in the magnetic field caused by a change in the distance between the first permanent magnet and the second permanent magnet due to the vibration. Claim 11 A vibration generator for street lighting according to claim 1 or claim 2, wherein the first elastic member is directly coupled to the column. Claim 12 A street light comprising: a column; and a vibration generator installed on the outside of the column, wherein the vibration generator comprises a first permanent magnet and a second permanent magnet positioned spaced apart from each other, a winding coil positioned between the first permanent magnet and the second permanent magnet, a first elastic member coupled to the first permanent magnet, and a second elastic member coupled to the second permanent magnet, wherein the first permanent magnet vibrates by wind on the outside of the column, and electricity is generated in the winding coil by a change in the magnetic field caused by a change in the distance between the first permanent magnet and the second permanent magnet due to the vibration. Claim 13 A street light according to claim 12, further comprising a solar power generation device installed on the column. Claim 14 A street light according to claim 12, further comprising a secondary battery that stores electricity produced by the vibration generator.

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