KR20140036472A - Rolling wheel with power generating function - Google Patents

Abstract

The present invention relates to a rolling wheel with power generating function. More particularly, the present invention relates to a rolling wheel with power generating function and a simple structure. According to the embodiment of the present invention, the rolling wheel with power generating function includes a wheel body having a shaft installation hole; a support shaft installed and inserted into the shaft installation hole; driving magnet members; and a power generation part which generates electricity by electromagnetic induction action according to the movement of the driving magnet member.

Description

Rolling Wheel with Self-Generation Function {ROLLING WHEEL WITH POWER GENERATING FUNCTION}

The present invention relates to a rolling wheel with a self-power generation function, and more particularly, the structure of the power generation device is simple and simple to reduce the manufacturing cost and improve the productivity as well as to improve the power generated even if the rotation operation is made The present invention relates to a rolling wheel having a self-generating function that can be easily delivered to a place of use, improves power generation efficiency, and can significantly increase the amount of generated electric energy.

In general, rolling wheels are used for various articles or devices requiring rotational motion. For example, a variety of items such as sports, such as in-line skates, kickboards, and play equipment or trucks, baby carriages, travel bags, and the like, are provided with wheels for performing rolling operations.

These rolling wheels have recently been developed and marketed with lamps as a way to improve the merchandise by promoting the beauty of the exterior and to prevent night lighting or safety accidents.

In addition, as shown in the Republic of Korea Patent No. 10-0331185 has led to the development of a light emitting wheel having a self-power generation function to generate power by itself used in the lamp.

Patent No. 10-0331185 described above is composed of a cam-shaped magnet assembly and an electric coil assembly, as shown in Figure 1, the cam-shaped magnet assembly is a hub 54 having a tire 52, of the hub 54 It is inserted into the spacer 62, the inner protective bushing 64 having a complicated structure, and the cam magnet 66 in order, and an outer protective bushing 68 having a ring shape is fitted to the outer circumferential surface thereof to protect the cam magnet 66. Perform the departure prevention function.

In addition, the electromagnet assembly is an iron material having excellent magnetization alternating properties. An iron core center portion 72-2 having a triangular shape in the center of a substantially diamond-shaped iron core 72 facing each other is superimposed circumferentially. Coil bobbin 76 is coupled by a rivet 78 fastened to the bottom. In addition, the coil bobbin is wound around the support (76-4) formed in the center portion of the armature coil (76-2) in the body (76-1). Light emitting elements 84 and 84-1 which emit light by electricity generated by the coil bobbin 76 are provided.

In addition, the Patent No. 10-0331185 is a fixing nut 94 having a thread (not shown) is fastened by the fixing bolt 96 through the bearing 90 and the spacer 62. The bearing 90 supports the spacer 62, the fixing nut 94, and the hub 54 to selectively rotate the electric coil assembly only when the wheel 50 rotates, and to prevent the cam-shaped magnet assembly from rotating. Play a role.

In addition, the spacer 62 is fixed to the inner ring of the bearing 90 on the outer surface of the fixing nut 94 so that the cam-shaped magnet assembly is fixed, and the fixing nut 94 is fixed to the support 76-4 so that the wheel 50 is fixed. At the time of rotation, only the electric coil assembly including the hub 54 rotates, and the cam-shaped magnet assembly is fixed.

The light emitting wheel having a conventional self-powering function as described above can generate electricity at the time of rotation of the wheel 50 to turn on the light emitting device, but the structure is complicated and the component parts are excessively high, thus increasing the material cost and assembly cost. There is a problem of low productivity.

In addition, the light emitting wheel having the self-power generation function is an energy source for lighting of the light emitting element installed in the wheel due to the limitation that the electric power generated by the electric coil assembly for generating electricity is installed on the rotating wheel can not transmit to the outside. There is a disadvantage that can be used only limited.

In addition, the light emitting wheel having the self-power generation function is caused by the electromagnetic induction action according to the interaction of the armature coil 76-2 wound on the coil bobbin 76 and the cam-shaped magnet 66 when the armature coil assembly is rotated. Electricity is a power generation structure, but because the structure of the electromagnetic induction action through the iron core (72) has a disadvantage of low power generation efficiency and bulky and heavy due to the iron core. In addition, the conventional method has a disadvantage in that the yield of the generated electric energy is limited because the volume is large and only one self-generating device may be installed on one wheel.

The present invention has been proposed in view of the above, and the structure of the power generation apparatus is simple and simple, so that not only the manufacturing cost is reduced and the productivity is improved, but also the power can be easily delivered to the external target place even if the rotation operation is performed. The purpose is to provide a rolling wheel with a self-power generation function.

Another object of the present invention is to provide a rolling wheel with a self-generating function to improve the power generation efficiency and to significantly increase the amount of electric energy generated.

In order to achieve the above object, the rolling wheel with a self-power generation function according to the present invention, the rolling wheel with a self-power generation function, the wheel body is formed with a shaft installation hole in the center; A support shaft inserted into and installed in the shaft installation hole; A plurality of driving magnet members disposed such that N and S magnetic poles are alternately positioned in the circumferential portion of the shaft mounting hole or the support shaft circumference portion so as to rotate together with the wheel body; And a power generator for generating electricity by electromagnetic induction according to the movement of the driving magnet member, wherein the support shaft has a power generation unit installation hole formed therein so that the power generation unit is inserted and installed, and the power generation unit at the center thereof. And a case having a field insertion hole formed therein, a shaftless rotation field inserted and installed in the field insertion hole and having N and S magnetic poles formed therein, and an induction coil wound around the outer surface of the case.

In addition, a bearing may be inserted and installed between the inner circumferential surface of the wheel body and the outer circumferential surface of the support shaft, and the driving magnet member may be disposed on the bearing.

In addition, a sliding bushing may be inserted and installed between an inner circumferential surface of the wheel body and an outer circumferential surface of the support shaft, and the driving magnet member may be disposed on the sliding bushing.

In addition, the driving magnet member may be disposed on an inner circumferential surface of the wheel body.

On the other hand, the support shaft is formed in a cylindrical shape with an opening formed on one side and the shaft body formed with a fixing jaw protruding upward on the outer peripheral surface; And a shaft cover coupled to the opening of the shaft body and having a drawing hole for drawing out the electric wire.

The support shaft includes a plurality of power generation unit installation holes spaced apart and formed along a longitudinal direction, and the driving magnet member and the wheel body are respectively installed to the outside of the support shaft corresponding to the plurality of power generation unit installation holes. The power generation unit may be installed in a plurality of the power generation unit installation holes.

On the other hand, it characterized in that it further comprises a connecting support member connected to the support shaft.

In addition, the connection support member connected to the support shaft; And a shaft disposed at the connection supporting member corresponding to the driving magnet member, the case having a field insertion hole formed at the center, a shaftless rotating field having N and S magnetic poles inserted and installed in the field insertion hole, and an outer surface of the case. It may be configured to include another power generator including an induction coil wound.

In order to achieve the above object, the rolling wheel with a self-power generation function according to the present invention, the rolling wheel with a self-power generation function, the wheel body is formed with a shaft installation hole in the center; A support shaft inserted into and installed in the shaft installation hole; A connection support member connected to the support shaft; A plurality of driving magnet members disposed in the wheel body such that N and S magnetic poles are alternately positioned; And a power generating unit generating electricity by electromagnetic induction according to the movement of the driving magnetic member, wherein the power generating unit is disposed in the connection supporting member corresponding to the driving magnetic member, and has a field insertion hole formed at the center thereof. And a shaftless rotation field inserted and installed in the field insertion hole and having N and S magnetic poles formed therein, and an induction coil wound around the outer surface of the case.

Here, the connection support member is composed of a support portion which is connected to the support shaft formed in the longitudinal direction and the lower end is connected to the support shaft in the transverse direction, the power generating unit is disposed in the support or the connecting portion, The driving magnet member may be installed at a corresponding position so as to alternate with the power generating unit when the wheel body rotates.

On the other hand, the connection support member is a support portion formed in the longitudinal direction by connecting the lower end to the support shaft, the connection portion extending in the transverse direction to the upper end of the support portion, and the cover portion extending toward the wheel body from the support portion or the connection portion The power generating unit may be disposed in the cover unit, and the driving magnet member may be installed at a corresponding position to alternate with the power generating unit when the wheel body rotates.

In this case, the connection support member may be provided with an accommodating part for detachably accommodating the power generating part.

And, the connection support member is provided with a fastening member for fastening to protrude upward to be installed in the installation portion, the fastening member for fastening is to be formed with a drawing hole for drawing the wire for transferring the power generated from the power generating portion to the outside Can be.

The rolling wheel with a self-power generation function according to the present invention may include a shoe member formed on the outer peripheral surface of the wheel body.

The rolling wheel with a self-power generation function according to the present invention may be provided with a lamp that is emitted by the power generated from the power generation unit.

In addition, the rolling wheel having a self-power generation function according to the present invention may further include a circuit unit for rectifying the power generation power output from the power generation unit, and a charging module provided to charge the power applied from the circuit unit. .

According to the rolling wheel with a self-power generation function according to the present invention, the structure of the power generating unit for generating electricity is simple, simple and small in volume can be easily installed on the rolling wheel, manufacturing cost is reduced and productivity is improved. In addition, even when the rolling wheel is rotated, the power generated from the power generation unit can be easily supplied to the external target site, so that it can be conveniently used as a small power generation device and can be used as a power supply device that is commercially available for various products or devices.

In addition, since the rolling wheel with a self-power generation function according to the present invention can install a plurality of power generating unit in a limited space can significantly increase the amount of electrical energy to be generated, and the electric power specified by the rotation of the rolling wheel as much as possible Since it can be converted into energy there is an advantage that the power generation efficiency is improved.

1 is a view for explaining a rolling wheel with a conventional self-power generation function,
Figures 2a and 2b is a view for explaining a rolling wheel with a self-power generation function according to a first embodiment of the present invention, Figure 2a is a schematic cross-sectional view, Figure 2b is an exploded perspective view,
3A and 3B are schematic cross-sectional views showing an example of the configuration of a power generation unit applied to a rolling wheel with a self-power generation function according to a first embodiment of the present invention;
4 is a cross-sectional view for explaining a first modification of the rolling wheel with a self-power generation function according to the first embodiment of the present invention;
5 is a cross-sectional view for explaining a second modification of the rolling wheel with a self-power generation function according to the first embodiment of the present invention;
6 is a cross-sectional view for explaining a third modification of the rolling wheel with a self-power generation function according to the first embodiment of the present invention;
7a and 7b are views for explaining a rolling wheel with a self-power generation function according to a second embodiment of the present invention, Figure 7a is a perspective view, Figure 7b is a sectional view,
8 is a perspective view for explaining a first modification of the rolling wheel with a self-power generation function according to the second embodiment of the present invention;
9 is a cross-sectional view illustrating a rolling wheel with a self-power generation function according to a third embodiment of the present invention.

Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to FIGS. 2A to 9, and the same reference numerals are given to the same constituent elements in FIGS. 2A to 9B. It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are intended to provide further explanation of the invention as claimed.

2A and 2B are views for explaining a rolling wheel with a self-power generation function according to a first embodiment of the present invention. FIG. 2A is a schematic cross-sectional view, and FIG. 2B is an exploded perspective view.

2A and 2B, a rolling wheel having a self-power generation function according to a first embodiment of the present invention includes a wheel body 1, a support shaft 2 provided at the center of the wheel body 1, A plurality of driving magnet member 3 is installed to rotate together with the wheel body 1, and a power generator 4 for generating electricity by the electromagnetic induction action according to the movement of the driving magnet member (2).

The wheel body 1 is a member forming a frame of a rolling wheel, and is formed in a circular shape so as to enable rolling motion, and a shaft mounting hole 11 into which a support shaft 2 is inserted in the center is formed.

The wheel body 1 is not limited in shape as long as it has a rigid structure capable of rolling motion and can support a set load, but in this embodiment, for stable fixing of the shoe member 12 described later on the outer circumferential surface of the circular body. The shoe fixing protrusion 13 protrudes, and a magnet insertion groove 15 for inserting the driving magnet member 2 is formed on the inner circumferential surface thereof.

The support shaft 2 is a single rod-shaped (short rod-shaped member) member inserted into and installed in the shaft mounting hole 11, and a structure in which the power generation unit mounting hole 2a into which the power generating unit 4 is inserted is formed. Although it may be formed in a variety of structures, in the present embodiment is composed of a shaft body 21 is provided with an internal power generation unit mounting hole (2a), and a shaft cover 22 coupled to the shaft body (21).

The shaft body 21 is formed in a cylindrical shape having an opening on one side and a fixed jaw 211 protruding upward on an outer circumferential surface thereof, and on the opposite side of the opening, the installed part (wheel fixing bracket of in-line skate or wheel fixing of a transport cart). The connecting protrusion 212 protrudes and is formed so as to be fitted to the bracket).

The shaft cover 22 has a connecting disk 221 protruding outwardly and formed in a body having a substantially disc shape, and a drawing hole 222 penetrating outwardly from the power generation part installation hole 2a is formed to generate a power source. (3, induction coil part) The wire connected to it can be drawn out. And, the shaft cover 22 is a key groove (not shown) is formed to be coupled by the shaft body 21 and the key (key, not shown) fixing method, or fastening hole (not shown) to be screwed with the shaft body 21 ) May be formed. In addition, the welding method, the interference fitting method, etc. may be applied to the shaft cover 22 by the coupling method to the shaft body 21.

The driving magnet member 3 is a permanent magnet installed in the circumferential portion of the shaft mounting hole 11 or the circumferential portion of the support shaft 2 so as to rotate together with the wheel body 1. In the magnet insertion groove 15 recessed in the center of the inner circumferential surface, N and S magnetic poles are alternately located toward the power generator 4.

In addition, the driving magnet member 3 may be installed at various positions as long as the driving magnet member 3 can move by applying repulsive force and attractive force to the axisless rotation field of the power generating unit 4 to be described later.

3A and 3B are schematic cross-sectional views showing an example of the configuration of a power generation unit applied to a rolling wheel with a self-power generation function according to the first embodiment of the present invention.

3A and 3B, the power generating unit 4 includes a case 41 having a field insertion hole 411 formed in the center thereof, a shaftless rotating fielder inserted and installed in the field insertion hole and having N and S magnetic poles ( 42 and an induction coil 43 wound around the outer surface of the case 41.

The case 41 is formed so as to have a substantially failure shape in a state in which two field receiving bodies 41a are detachably assembled with each other, and the field receiving body has a coil winding rod 412 such that the induction coil 43 is wound in the center thereof. ) Is formed, and the separation prevention jaw 413 for preventing the induction of the induction coil 43 on both ends of the coil winding rod 412 is formed.

Shaftless rotation field 42 is a configuration that means that there is no separate axis rotational force directly transmitted from the outside, N and S magnetic poles (not shown) is a permanent magnet formed in one body driving magnet member (3) It is configured to be moved by repulsive force and attraction according to the movement of N and S stimulus.

In addition, the axisless rotation field 42 may be formed in any one of a circular ball, a disc shape, and a cylinder shape, but in the present embodiment, the shaftless rotation field 42 is formed in a disc shape having excellent manufacturability.

In addition, the axisless rotation field 42 has a guide protrusion 421 protrudes symmetrically in the upper and lower center, and a projection groove into which the guide protrusion 421 is inserted into the field receiving body 41a of the case 41 is recessed. have.

Induction coil 43 is wound on the outer surface of the case 41 surrounding the receiving space so that the electromotive force is generated by the electromagnetic induction action according to the movement of the axis-free rotation field 42. In addition, the induction coil 43 is typically formed by winding a metal wire such as a copper wire, but in addition, in order to improve the output efficiency of electricity, graphene, a superconducting material having excellent electrical conductivity compared to copper (Cu), has a surface or linear shape. It can apply to what was formed.

In addition, as shown in FIG. 3B, the power generator 4 may be configured in a form in which the rotation guide bearing 44 is formed in a ball shape so that the axisless rotation field 42 rotates more smoothly without friction. have. In addition, the power generation unit 4 may be applied by variously changing the arrangement and shape of the basic components (case 41, shaftless rotation meter 42, induction coil 43).

Meanwhile, as shown in FIGS. 2A and 2B, the wheel body has a bearing 5 inserted and installed between the inner circumferential surface and the outer circumferential surface of the support shaft for smooth rotation of the wheel body.

The bearing 5 may be configured by installing one according to the shape or thickness of the wheel body 1, in this embodiment 2 so as to be located on both sides of the left and right sides relative to the fixing jaw 211 of the support shaft (2) Structure is equipped with two bearings. At this time, the inner ring 51 of the bearing 5 is fixed to the support shaft 2 by the interference fit method, the outer ring 52 of the bearing 5 is fixed to the inner peripheral surface of the wheel body 1 by the interference fit method Serves to rotatably support the body.

The rolling wheel having a self-power generation function according to the present invention further comprises a shoe member 12 on the outer circumferential surface of the wheel body 1 so that the wheel body 1 can be rotated more smoothly without noise or friction. The shoe member 12 may also be configured by inserting a member in the form of a pre-molded tire, but in this embodiment, as shown in FIG. 2A, the outer peripheral surface of the wheel body 1 is made of a material such as synthetic resin or urethane. It is constructed by overlaying on the molding.

On the other hand, the rolling wheel with a self-power generation function according to the present invention is a circuit unit (not shown) for rectifying the generated power output from the power generating unit 4, and a charging module (not shown) to charge the power applied from the circuit unit May be provided).

For example, the circuit unit may be configured to have a bridge diode to rectify the voltage of the reverse polarity in consideration of the irregular rotation of the axisless rotation field 42, and to have a delay circuit using a resistor and a capacitor to charge the battery. It is not limited to this. Since the charging module can be configured by applying a normal module having a battery and a charging circuit, a detailed description thereof will be omitted.

In addition, the rolling wheel having a self-power generation function according to the present invention is electrically connected to an induction coil 43 or an electric wire (power supply cable, not shown) for supplying power applied to a place of use, which is electrically connected to the circuit unit. It may further include a lamp (not shown) such as a light emitting diode connected to the light emitting.

Hereinafter, the operation of the rolling wheel with a self-power generation function according to the first embodiment of the present invention will be briefly described.

First, insert the power generating unit 3 assembled as shown in FIG. 3A into the power generation unit installation hole 2a of the shaft body 21, and then combine and seal the shaft cover 22 to assemble the support shaft 2. Then, the driving magnet member 3 is coupled to the magnet insertion groove 15 of the wheel body 1, and the support shaft 2 is inserted into the shaft installation hole 11. Then, when the inner ring 51 and the outer ring 52 of the bearing 5 are assembled in an interference fit manner so as to be positioned at the left and right sides of the fixing jaw 211 of the support shaft 2, the assembly is assembled in the form shown in FIG. 2A.

When the assembled rolling wheel is assembled to an installed part (not shown) such as an inline skate, a baby carriage, and a transport cart, and the rolling motion is performed, the wheel body including the shoe member 12 based on the support shaft 2 is performed. (1) rotates.

When the wheel body 1 is rotated, the driving magnet member 3 rotates together, and the axisless rotation field 42 of the power generator 4 installed in the magnetic field ranges the N and S magnetic poles of the driving magnet member 3. The rotational motion is caused by the attraction and repulsive force due to interaction with the electrostatic force, and electromotive force is generated in the induction coil 43 by the electromagnetic induction action due to the rotational motion of the axisless rotation field 42, thereby generating electricity.

4 is a cross-sectional view for explaining a first modification of the rolling wheel with a self-power generation function according to the first embodiment of the present invention.

Referring to Figure 4, the rolling wheel with a self-power generation function as described above, the wheel body (1), the support shaft (2) is installed in the center of the wheel body 1, a plurality installed to rotate together with the wheel body The driving magnet member 3, and a power generating unit 4 for generating electricity by the electromagnetic induction action according to the movement of the driving magnet member, and as a member for smooth rotation of the wheel body 1, instead of the bearing slides The bushing 6 is inserted and installed.

The sliding bush 6 is also commonly referred to as an 'oilless bushing', and a sliding layer is formed on the inner circumferential surface thereof. For the sliding layer, a material having a low coefficient of friction such as carbon is formed by inserting, depositing, or coating.

And the outer circumferential surface of the sliding bushing (6) is formed with a coupling protrusion 62 for rigid coupling with the wheel body (1), the support shaft (2) on both sides of the role of supporting the sliding bushing (6) to prevent separation An anti-separation member such as an E-ring 61 is installed to perform this.

5 is a cross-sectional view for illustrating a second modification of the rolling wheel with a self-power generation function according to the first embodiment of the present invention.

Referring to FIG. 5, a rolling wheel having a self-power generation function may include a wheel body 1, a support shaft 2 installed at the center of the wheel body 1, and a plurality of wheels installed to rotate together with the wheel body. The driving magnet member 3, and the power generating unit 4 for generating electricity by the electromagnetic induction action according to the movement of the driving magnet member 3, the support shaft (2) is the wheel body (1) and bearing In consideration of the improvement of the assembly properties (5) and the structural stability, it is formed into a two-part structure.

More specifically, the support shaft 2 is composed of first and second support shafts 23 and 24 having ring-shaped fixing jaws 231 and 241 formed inside the cylindrical body. In the bearing (5) to be fitted to the left and right portions in contact with the fixing jaw (231,241) in a state arranged in the center of the inner peripheral surface of the wheel body 1 so that the fixing jaw (231,241) portions of the second support shaft (23, 24) to each other It is supposed to be fixed by.

In addition, the first support shaft 23 has a connection protrusion 232 protruding outward, and the second support shaft 24 has a connection protrusion 242 protruding outward and the power generation unit mounting hole 2a. A drawing hole 243 penetrating outward from the top is formed. As described above, when the drawing holes 243 are formed in the connection protrusion 242, even when the rolling wheel is rotated, the drawing wires can be drawn out to the outside without twisting the wires, thereby easily connecting to an external power supply or a rechargeable battery.

On the other hand, the rolling wheel with a self-power generation function is provided with a support member (7) connected to the support shaft (2) so that the rolling wheel can be easily installed in the installation portion, such as strollers, bags, transport carts.

The connection support member 7 is composed of a support portion 71 which is connected to the lower end of the support shaft 2 in the longitudinal direction, and a connection portion 72 extending laterally to the upper end of the support portion 71. At this time, the support portion 71 may be formed only on one side of the support shaft 2, but in this embodiment, the support portion 71 is inserted into both sides of the support shaft 2 and is fixed by the fixing nut 73. Here, reference numeral 721 of the connection portion 72 is an insertion hole for insertion of a screw or bolt to be fastened to the installation portion.

6 is a cross-sectional view for explaining a third modification of the rolling wheel with a self-power generation function according to the first embodiment of the present invention.

The rolling wheel with a self-power generation function according to the third modification has a structure in which two or more wheel bodies 1 are arranged on a single support shaft 2, and the support shafts 2 on which the respective wheel bodies 1 are installed are provided. The power generating unit 4 is arranged inside.

The support shaft 2 is formed with a plurality of power generation unit installation holes (2a) spaced along the longitudinal direction, the driving magnet member (on the outer circumferential surface of the support shaft 2 corresponding to each power generation unit installation hole (2a)) 3) and the wheel body 1 are installed one by one, and a power generation unit 4 is installed inside the power generation unit installation hole 2a.

In addition, the rolling wheel with a self-power generation function according to the third modification can be configured by arranging three or more wheel bodies on a single support shaft (2) in this embodiment two wheels as shown in FIG. It demonstrates based on the example in which the main body 1 was installed. To this end, the support shaft 2 is the third support shaft 25 is installed on the outer inner surface of one wheel body 1, the fourth support shaft 26 is installed on the outer inner surface of the other wheel body 1, one side and It is composed of a fifth support shaft 27 and a sixth support shaft 28 installed inside the other wheel body 1 and connected to each other by a pin 29.

The third support shaft 25 and the fourth support shaft 26 are formed in a structure similar to that of the first and second support shafts 23 and 24 shown in the above-described second modification, and a detailed description thereof will be omitted.

The fifth support shaft 27 has a fixing jaw 271 is formed on one side to be opposed to the fixing jaw 251 portion of the third support shaft 25, the connection boss formed with a pin mounting hole (273) on the other side ( 272 is formed in a protruding structure.

The sixth supporting shaft 28 has a fixing jaw 281 formed on one side to be in contact with the fixing jaw 261 portion of the fourth supporting shaft 26, and to be fitted into the central hole of the connecting boss 272 on the other side. The connection protrusion 282 which the pin installation hole 283 which protrudes and into which the pin 29 is inserted is formed is formed.

Since the rolling wheel with a self-power generation function according to the third modification described above includes a plurality of wheel bodies 1, the rolling wheel can stably support the load even when a large load is applied from the installed portion. In addition, since the power generation unit 4 installed in each wheel body can generate electricity, a relatively large amount of electricity can be harvested.

7A and 7B are views for explaining a rolling wheel with a self-power generation function according to a second embodiment of the present invention. FIG. 7A is a perspective view and FIG. 7B is a sectional view. Incidentally, a detailed description of the same configuration as that of the first embodiment described above will be omitted.

7A and 7B, a rolling wheel having a self-power generation function according to a second embodiment of the present invention includes a wheel body 1, a support shaft 2, a driving magnet member 3, and a power generation unit ( 4) but the power generator 4 is not disposed inside the support shaft 2 as in the first embodiment, but is disposed in an outer space close to the wheel body 1, so that the wheel body 1 is rotated. It is configured to generate electricity.

The support shaft 2 is composed of a shaft in which a fixing jaw 211 is formed between the bearings 5 at the center of the body having a round bar shape.

The driving magnet member 3 is installed on the wheel body 1 close to the arrangement position of the power generating unit so that the repulsive force and the attractive force can be effectively applied to the axisless rotation field 42. In this embodiment, the power generating unit ( 4) is disposed on the connection support member 7 may be installed on the wheel body 1 or the shoe member 12 corresponding thereto.

The power generating unit 4 is disposed on the connecting support member 7 installed on the support shaft 2 so as to correspond to the driving magnet member 3, and the detailed structure is the field in the center as shown in the first embodiment. It is composed of a case 41 having an insertion hole, a shaftless rotation field 42 inserted and installed in the field insertion hole, the N and S magnetic poles formed therein, and an induction coil 43 wound around the outer surface of the case 41.

The structure and shape of the connecting support member 7 can be variously changed according to the shape or type of the installed part on which the rolling wheel is installed, but in this embodiment, the support part is formed in the longitudinal direction by connecting the lower end to the support shaft 2. It consists of the 71 and the connection part 72 extended in the horizontal direction at the upper end of this support part 71. As shown in FIG.

In addition, the connection support member 7 is formed with a fastening protrusion 74 for fastening on the upper portion of the connection portion 72 so that it can be easily mounted on the installation portion such as a transport cart. The fastening protruding member 74 may be formed in a fastening pin structure so as to be installed in an installation method by an insertion method or may be formed in a bolt structure so as to be installed in a fastening method.

In addition, the fastening member 74 for fastening may be coupled to the mounting plate 75 in the form of a substantially rectangular plate so that it can be easily installed in the surface-mounted portion (for example, a carriage). In addition, the bearing plate (not shown) is installed on the mounting plate 75 may be configured to rotate the rolling wheel by allowing the fastening member 74 for fastening to the bearing. At this time, the fastening member 74 for fastening is formed with a drawing hole for the withdrawal of the wire.

On the other hand, the power generation unit 4 may be installed in the support portion 71 or the connection portion 72, but in this embodiment is installed in the receiving portion 78 formed to have a receiving space in the connection portion 72, the driving magnet member (3) is provided in the wheel body 1, which is a corresponding position so as to alternate close to the power generator 4 when the wheel body 1 rotates. The accommodating portion 78 has a structure in which the accommodating stopper 782 is coupled to the accommodating body 781 formed under the connecting portion 72 so as to be openable and openable.

8 is a perspective view for explaining a first modification of the rolling wheel with a self-power generation function according to a second embodiment of the present invention.

Referring to FIG. 8, the connection support member 7 includes a support part 71 having a lower end connected to the support shaft 2 in a longitudinal direction, a connection part 72 extending transversely to an upper end of the support part, and a support part 71. Or a cover portion 76 extending from the connecting portion 72 toward the wheel body 1.

In addition, a plurality of power generation units 4 are arranged at regular intervals in the cover unit 76 so as to increase the amount of power generation, and the driving magnet member 3 has a power generation unit (at the time of rotation of the wheel body 1). It is provided in the wheel body 1 which is a position corresponding to the intersection with 4).

In addition, the power generating unit 4 is installed detachably in consideration of the change in the number of installation or maintainability. To this end, the cover portion 76 is provided with an accommodating portion 77 for accommodating the power generating portion 4. The housing portion 77 is composed of a housing body 771 protruding from the upper surface of the cover portion 76 and having a substantially cylindrical shape and a storage stopper 772 coupled to the opening of the housing body 771.

As shown in FIG. 8, the cover portion 76 is formed in the front-rear direction of the outer circumferential surface of the wheel body 1 with respect to the connection portion 72. However, the shape of the cover portion 76 is not limited thereto, but extends in the front and rear direction of the side of the wheel body 1 with respect to the support portion 71 (a shape surrounding the side of the rolling wheel), or of the connection portion 72 It may also be formed in the form of the front and rear and front and rear directions of the support portion 71 (a shape surrounding the entire rolling wheel except for the part in contact with the cloud surface).

9 is a cross-sectional view illustrating a rolling wheel with a self-power generation function according to a third embodiment of the present invention. In addition, since the rolling wheel having the self-power generation function according to the third embodiment of the present invention is similar in structure to the first embodiment and the second embodiment, the same structure as that of the first or second embodiment will be described. Omit the description.

9, the rolling wheel with a self-power generation function according to the third embodiment of the present invention is the wheel body 1, the support shaft 2, the driving magnet member 3, the power generating unit 4, the connection The support member 7 is provided, but the power generator 4 is disposed in the support shaft 2 and the support member 7, respectively, so as to maximize the amount of electricity generated.

The connection supporting member 7 has a lower end connected to the support shaft 2 and is formed in the longitudinal direction, and is connected in the transverse direction to the upper end of the support part 71 and for accommodating the power generating unit 4. The connection part 72 provided with the accommodating part 78, and the fastening protrusion member 74 which protruded in the upper part of the connection part 72 are provided.

And, the support portion 71 is an E-ring (79, E-ring: inserted into the connecting projections of the support shaft 2) "E" (usually inserted in order to fix the mechanical element or prevent separation in the mechanical device) Fixed ring), and the fastening member 74 for fastening is formed with a drawing hole 741 communicating with the receiving portion at the center for drawing out the electric wire. The accommodating part 78 has a structure in which the accommodating stopper 782 is coupled to the accommodating body 781 formed at the lower side of the connecting part 72 so as to be openable and closed. The accommodating stopper 782 generates power generated in the support shaft 2. A drawing hole 783 is formed so that the electric wire c drawn out from the part 4 is drawn in. The wire (c) drawn into the lead-out hole 783 of the storage plug 782 is the lead-out hole 741 of the protruding member 74 together with the wire drawn from the power generating unit 4 mounted in the receiving portion (78). After being drawn to the outside through the power supply is connected.

On the other hand, the rolling wheel with a self-power generation function according to the third embodiment of the present invention as described above, the support shaft (2) when the wheel body (1) is rotated in the state mounted on the installation portion, such as trolley, baby carriage, etc. The power generation unit 4 in the interior generates electricity according to the interaction with the adjacent driving magnet member 3 and at the same time, the power generation unit 4 embedded in the receiving unit 78 is also adjacent to the driving magnet member 3. Since electricity is generated by interaction with, there is an advantage in that the physical force due to the rotation of the rolling wheel can be converted into electrical energy as much as possible.

What has been described above is just one embodiment for carrying out the rolling wheel with a self-power generation function according to the present invention, the present invention is not limited to the above embodiment, as claimed in the following claims Those skilled in the art to which the present invention pertains without departing from the gist of the present invention will have the technical idea of the present invention to the extent that various changes can be made.

1: Wheel body 11: Shaft mounting hole
12: Shoe member 13: Shoe fixing protrusion
15: Magnetic insertion groove 2: Support shaft
2a: Power generating unit mounting hole 21: Shaft body
22: shaft cover 23: first support shaft
24: 2nd support shaft 25: 3rd support shaft
26: fourth support shaft 27: fifth support shaft
28: sixth support shaft 3: driving magnet member
4: power generator 41: case
42: shaftless rotation meter 43: induction coil
5: bearing 51: inner ring
52: outer ring 7: connecting support member
71: support portion 72: connection portion
73: fixing nut 74: fastening protrusion member
75: mounting plate 76: cover
77,78: storing department

Claims (16)

In the rolling wheel with self-generation function,
A wheel body having a shaft installation hole formed at a center thereof;
A support shaft inserted into and installed in the shaft installation hole;
A plurality of driving magnet members disposed such that N and S magnetic poles are alternately positioned in the circumferential portion of the shaft mounting hole or the support shaft circumference portion so as to rotate together with the wheel body; And
It includes a power generator for generating electricity by the electromagnetic induction action according to the movement of the drive magnet member,
The support shaft has a power generation portion installation hole is formed therein so that the power generation portion is inserted, installed,
The power generating unit includes a case in which a field insertion hole is formed in the center, a shaftless rotation field inserted and installed in the field insertion hole, and an N and S magnetic poles are formed, and an induction coil wound around the outer surface of the case. Rolling wheel with power generation function. The method of claim 1,
A bearing wheel is inserted between the inner circumferential surface of the wheel body and the outer circumferential surface of the support shaft, and the driving magnet member is disposed in the bearing. The method of claim 1,
A sliding wheel is inserted between the inner circumferential surface of the wheel body and the outer circumferential surface of the support shaft and inserted therein, and the driving magnet member is disposed on the sliding bushing. The method of claim 1,
Rolling wheel with a self-power generation function, characterized in that the drive magnet member is disposed on the inner peripheral surface of the wheel body. The method of claim 1,
The support shaft
A shaft body formed in a cylindrical shape having an opening formed at one side thereof and having a fixing jaw protruding upward on an outer circumferential surface thereof; And
A rolling wheel having a self-power generation function characterized in that it comprises a shaft cover coupled to the opening of the shaft body and formed with a drawing hole for drawing out the wire. The method of claim 1,
The support shaft is provided with a plurality of the power generation unit installation hole spaced apart, formed along the longitudinal direction,
The driving magnet member and the wheel body are respectively provided to the outside of the support shaft corresponding to the plurality of power generation unit installation holes, and the power generation unit is installed in the plurality of power generation unit installation holes. Equipped with wheels. The method of claim 1,
Rolling wheel with a self-power generation function characterized in that it further comprises a connecting support member connected to the support shaft. The method of claim 1,
A connection support member connected to the support shaft; And
Disposed in the connection support member corresponding to the driving magnet member, a case having a field insertion hole formed in the center, a shaftless rotating field having N and S magnetic poles inserted and installed in the field insertion hole, and wound around the outer surface of the case; Rolling wheel with a self-power generation function, characterized in that it comprises another power generating unit including an induction coil. In the rolling wheel with self-generation function,
A wheel body having a shaft installation hole formed at a center thereof;
A support shaft inserted into and installed in the shaft installation hole;
A connection support member connected to the support shaft;
A plurality of driving magnet members disposed in the wheel body such that N and S magnetic poles are alternately positioned; And
It includes a power generator for generating electricity by the electromagnetic induction action according to the movement of the drive magnet member,
The power generating unit is disposed in the connection supporting member corresponding to the driving magnet member, and has a case having a field insertion hole formed in the center, a shaftless rotation field inserted and installed in the field insertion hole, and having N and S magnetic poles formed therein, and the case. Rolling wheel with a self-power generation function, characterized in that it comprises an induction coil wound on the outer surface of the. 10. The method of claim 9,
The connection support member is composed of a support portion that is connected to the lower end is connected to the support shaft in the longitudinal direction and the connecting portion connected in the transverse direction to the upper end of the support portion,
The power generation unit is disposed in the support or the connecting portion,
The driving magnet member is a rolling wheel with a self-power generation function, characterized in that installed in the corresponding position to alternate close to the power generating unit during the rotation of the wheel body. 10. The method of claim 9,
The connection support member is composed of a support portion which is connected to the lower end to the support shaft in the longitudinal direction, a connecting portion extending in the transverse direction to the upper end of the support portion, and a cover portion extending toward the wheel body from the support portion or the connecting portion,
The power generation unit is disposed in the cover portion,
The driving magnet member is a rolling wheel with a self-power generation function, characterized in that installed in the corresponding position to alternate close to the power generating unit during the rotation of the wheel body. 10. The method of claim 9,
The connection supporting member is a rolling wheel with a self-power generation function, characterized in that provided with a receiving portion for receiving the power generator detachably. 13. The method according to any one of claims 7 to 12,
The connection supporting member is provided with a fastening member for fastening to protrude upwards so as to be installed in the installation portion,
The fastening member for fastening is a rolling wheel having a self-power generation function characterized in that the withdrawal hole is formed to draw the wire for transferring the power generated from the power generating portion to the outside. 13. The method according to any one of claims 1 to 12,
Rolling wheel with a self-power generation function, characterized in that it comprises a shoe member formed on the outer peripheral surface of the wheel body. 13. The method according to any one of claims 1 to 12,
Rolling wheel with a self-power generation function, characterized in that the lamp is provided by the power generated by the power generation unit. 13. The method according to any one of claims 1 to 12,
Cloud wheel with a self-power generation function characterized in that it further comprises a circuit module for rectifying the power generation power output from the power generation unit, and a charging module provided to charge the power applied from the circuit unit.

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