WO2015068377A1 - 発電装置 - Google Patents
発電装置 Download PDFInfo
- Publication number
- WO2015068377A1 WO2015068377A1 PCT/JP2014/005539 JP2014005539W WO2015068377A1 WO 2015068377 A1 WO2015068377 A1 WO 2015068377A1 JP 2014005539 W JP2014005539 W JP 2014005539W WO 2015068377 A1 WO2015068377 A1 WO 2015068377A1
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- WIPO (PCT)
- Prior art keywords
- state
- central yoke
- magnet member
- yoke
- magnet
- Prior art date
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K35/00—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit
- H02K35/06—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit with moving flux distributors, and both coil systems and magnets stationary
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K35/00—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit
- H02K35/04—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit with moving coil systems and stationary magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1869—Linear generators; sectional generators
- H02K7/1876—Linear generators; sectional generators with reciprocating, linearly oscillating or vibrating parts
Definitions
- the present invention relates to various electronic devices, operation devices for remotely operating them, power generation devices used for operation parts, and the like.
- FIG. 15 is an external perspective view of a conventional power generator.
- FIG. 16 is an exploded perspective view of a conventional power generator.
- FIG. 17 is a perspective view of a fixed portion of a conventional power generator.
- FIG. 18 is a perspective view of a movable portion of a conventional power generator.
- FIG. 19 is a top view showing a first state of a conventional power generator. In FIG. 19, the cover member 27 is removed.
- FIG. 20 is a schematic diagram showing the positional relationship between the magnet member and the yoke in the first state of the conventional power generator.
- FIG. 21 is a top view showing a second state of the conventional power generator. In FIG. 21, the cover member 27 is removed.
- FIG. 22 is a schematic diagram showing the positional relationship between each magnet member and each yoke in the second state of the conventional power generator.
- the conventional power generator has a cover member 27 combined with a resin case 31.
- the case 31 has a box shape whose upper side is opened in a rectangular shape.
- a rod-shaped central yoke 41 made of a magnetic material is fixed in the case 31.
- the direction along the longitudinal direction of the central yoke 41 is defined as the front-rear direction
- the direction orthogonal to the front-rear direction in plan view is defined as the left-right direction.
- the central yoke 41 is fixed along the front-rear direction in the vicinity of the center in the recess of the case 31 (see FIG. 17 and the like).
- the two end portions (front end portion 42 and rear end portion 43) of the central yoke 41 are formed into square pillars that are thicker than the intermediate portion.
- a U-shaped first auxiliary yoke 1 is fixed to the left end of the case 31 in a top view. Further, a U-shaped second auxiliary yoke 2 is fixed to the right end portion of the case 31 in a top view.
- the U-shaped front end 1 ⁇ / b> A and front end 1 ⁇ / b> B of the first auxiliary yoke 1 are arranged at a predetermined interval from the left side surface of the front end portion 42 and the left side surface of the rear end portion 43 of the central yoke 41.
- the U-shaped front ends 2 ⁇ / b> A and 2 ⁇ / b> B of the second auxiliary yoke 2 are arranged on the right side surface of the front end portion 42 and the right side surface of the rear end portion 43 of the central yoke 41 at a predetermined interval.
- the part on the case 31 side is configured as described above.
- the part on the drive member 21 side that slides relative to the case 31 will be described with reference to FIG.
- the main part that slides includes a first magnet member 4, a second magnet member 8, and a drive member 21 that holds the first magnet member 4 and the second magnet member 8.
- the drive member 21 is a resin-made rectangular frame.
- the first magnet member 4 is configured by fixing quadrangular columnar magnetic bodies 6 and 7 to the front and rear surfaces of the permanent magnet 5, respectively.
- the permanent magnet 5 is arranged with the front surface facing the N pole and the rear surface facing the S pole.
- the second magnet member 8 is configured by fixing quadrangular columnar magnetic bodies 10 and 11 to the front and rear surfaces of the permanent magnet 9, respectively.
- the permanent magnet 9 is arranged with the front surface facing the south pole and the rear surface facing the north pole.
- the first magnet member 4 and the second magnet member 8 are disposed in the drive member 21 in parallel with a predetermined interval.
- the driving member 21 can slide in the left-right direction within the case 31.
- the central yoke 41 is located between the first magnet member 4 and the second magnet member 8 as shown in FIGS. 19 and 21.
- the first auxiliary yoke 1 is disposed on the left side of the first magnet member 4, and the second auxiliary yoke 2 is positioned on the right side of the second magnet member 8.
- An operation member 25 is disposed on the drive member 21 via a flat spring 23.
- a resin cover member 27 is disposed from above so as to cover the case 31 and the drive member 21.
- the cover member 27 is coupled to the case 31.
- FIGS. 19 and 20 show the first state
- FIG. 20 is a schematic diagram showing the positional relationship
- 21 and 22 show the second state
- FIG. 22 is a schematic diagram showing the positional relationship.
- the second magnet member 8 is separated from the right side surfaces of the front end portion 42 and the rear end portion 43 of the central yoke 41, and the right side surface of the front end portion of the magnetic body 10 contacts the front end 2 ⁇ / b> A of the second auxiliary yoke 2.
- the right side surface of the rear end portion of the magnetic body 11 is in contact with and adsorbed to the tip 2B of the second auxiliary yoke 2.
- the magnetic flux from the permanent magnet 5 is transmitted from the magnetic body 6 to the front end portion 42 of the central yoke 41, flows in the central yoke 41 toward the rear end portion 43, and the rear end portion 43 of the central yoke 41. Travels on the path back to the magnetic body 7.
- the magnetic flux from the permanent magnet 9 is transmitted from the magnetic body 11 to the rear end portion 43 of the central yoke 41, flows in the central yoke 41 toward the front end portion 42, and from the front end portion 42 of the central yoke 41. It travels along the path back to the magnetic body 10.
- Patent Document 1 is known as prior art document information related to the invention of this application.
- An object of the present invention is to provide a power generation device having a magnetic circuit component that can obtain a large electromotive force.
- the present invention provides a first magnet member, a second magnet member in which the first magnet member and the N pole side are arranged in opposite directions, and a horizontal movement is possible.
- a central yoke disposed between the magnet members, a coil disposed on the outer periphery of the central yoke, and a drive member that moves horizontally while holding the first magnet member and the second magnet member.
- the drive member and the central yoke move horizontally in the first direction. After the horizontal movement of the central yoke in the first direction stops, the drive member further horizontally moves in the first direction, and the central yoke moves horizontally in the second direction opposite to the first direction. It is.
- the power generator of the present invention can reduce the time required for the change in the flow of magnetic flux in the central yoke 70, and can easily obtain a large electromotive force.
- FIG. 3 is an external perspective view of the power generator according to the embodiment of the present invention.
- 2 is an exploded perspective view of the power generator of FIG.
- the exploded perspective view which looked at the power generator of Drawing 2 from the lower part side Sectional drawing of the horizontal direction of the electric power generating apparatus in embodiment of this invention Partial enlarged view of the permanent magnet and magnetic material shown in FIG. 5A Partial enlarged view of the permanent magnet and magnetic material shown in FIG. 5A Partial enlarged view of FIG. 5A
- External perspective view of central yoke with coil 6 is an exploded perspective view of FIG. Sectional view in the vertical direction of the power generator in the first state Cross section in the horizontal direction of the power generator in the first state Partial enlarged view of FIG.
- FIG. 9A Partial enlarged view of FIG. 9A Sectional view in the vertical direction of the power generator when changing from the first state to the second state Sectional view in the vertical direction of the power generator when changing from the first state to the second state Sectional drawing in the horizontal direction of the electric power generating apparatus of a 2nd state Partial enlarged view of 12A Sectional drawing in the perpendicular direction of the electric power generating apparatus of a 2nd state Sectional drawing in the perpendicular direction of the electric power generating apparatus of a 2nd state
- External perspective view of a conventional power generator Exploded perspective view of a conventional power generator
- the perspective view of the principal part of the movable part in the conventional electric power generating apparatus The top view which shows the 1st state in the conventional electric power generating apparatus
- the schematic diagram which shows the positional relationship of the magnet member and yoke of a 1st state in the conventional electric power generating apparatus.
- the problems of the above-described conventional power generator will be described.
- the conventional power generator shifts from the first state to the second state (or shifts from the second state to the first state)
- the magnetic flux flowing in the central yoke 41 fixed to the case 31 A magnetic circuit configuration section for switching the direction of.
- the conventional power generation apparatus obtains an electromotive force according to Faraday's law by this magnetic circuit component.
- the electromotive force E is generally expressed as follows.
- FIG. 1 is a cross-sectional view of a power generator according to an embodiment of the present invention.
- 2 is an external perspective view of the embodiment of the present invention
- FIG. 3 is an exploded perspective view of FIG.
- FIG. 4 is an exploded perspective view of FIG. 2 viewed from below.
- FIG. 5A is a horizontal cross-sectional view of the power generation device according to the present embodiment.
- FIG. 5A shows the first state.
- 5B is a partially enlarged view of the permanent magnet 111, the first magnetic body 113, and the first magnetic body 114 shown in FIG. 5A.
- FIG. 5C shows the permanent magnet 121, the second magnetic body 123, and the second magnetic body shown in FIG. 5A.
- 4 is a partially enlarged view of a body 124.
- FIG. FIG. 5D is a partially enlarged view of FIG. 5A.
- FIG. 6 is an external perspective view of a central yoke with a coil.
- FIG. 7 is an exploded perspective view of FIG.
- FIG. 8 is a cross-sectional view of the power generator in the first state in the vertical direction.
- FIG. 9A is a cross-sectional view in the horizontal direction of the power generator in the first state.
- 9B and 9C are partially enlarged views of FIG. 9A.
- FIG. 10 is a cross-sectional view in the vertical direction of the power generator when the state changes from the first state to the second state.
- FIG. 11 is a cross-sectional view in the vertical direction of the power generator when changing from the first state to the second state.
- FIG. 12A is a cross-sectional view in the horizontal direction of the power generation device in the second state.
- FIG. 12B is a partially enlarged view of 12A.
- 13 and 14 are cross-sectional views in the vertical direction of
- the configuration for switching the direction of the magnetic flux flowing through the central yoke 70 is called a magnetic circuit configuration unit, and the magnetic circuit configuration unit includes at least the first magnet member 110, the second magnet member 120, and the central yoke 70.
- the lower case 50 is rectangular and made of resin when viewed from above.
- a lid plate portion 51 is incorporated below the lower case 50.
- a wiring board 52 having an electric circuit portion is disposed between the lower surface of the lower case 50 and the cover plate portion 51.
- a holding portion 50 ⁇ / b> A having a claw portion is provided on the outer edge of the lower case 50 on the left and right direction side so as to protrude upward.
- the lower case 50 is coupled to a resin upper case 55 by a holding portion 50A.
- the upper case 55 has a rectangular parallelepiped shape, and the front and rear and the left and right sides are surrounded by the outer wall portion 57.
- An intermediate plate portion 56 is provided at the center inside the upper case 55.
- a portion below the middle plate portion 56 of the upper case 55 is surrounded by an outer wall portion 57, and the lower portion is open.
- a resin drive member 60 is disposed in the space between the middle plate portion 56 of the upper case 55 and the lower case 50.
- a central yoke 70, a first magnet member 110, a second magnet member 120, and the like are disposed.
- the driving member 60 is disposed on the lower case 50 in a state in which it can slide in the left-right direction (horizontal direction).
- the drive member 60 is restricted from moving in the left-right direction by contacting the inner surfaces of the left and right outer wall portions 57 (57A, 57B) of the upper case 55.
- the central yoke 70 is made of a magnetic plate and has a narrow portion 73 and a thick portion 71.
- the central yoke 70 has an elongated shape with the central portion narrowed inwardly, and a regulated portion 72 is formed on each of the wide width portions 71 provided on the front and rear sides.
- the regulated portion 72 corresponds to a constricted portion formed at both ends of the central yoke 70 in the front-rear direction.
- the regulated portion 72 formed in the thick width portion 71 is configured by a notch punched out of a rectangle having a predetermined width (dimension B).
- the to-be-restricted part 72 of this Embodiment is an open state toward outward, the to-be-restricted part 72 may be the shape (hole shape) which is not opening. It is preferable that the regulated portion 72 is in an open state because it is easier to process and form than a shape that is not open.
- the central yoke 70 is incorporated in the coil holding member 80.
- the coil holding member 80 is made of resin.
- the coil holding member 80 has a planar portion 81 on which the central yoke 70 is placed, and a side wall portion 82 protruding upward.
- the planar portion 81 is provided with several small protrusions having a circular arc cross section extending linearly in the left-right direction.
- the narrow portion 73 of the central yoke 70 is fixed by a side wall portion 82.
- the coil 85 is arranged so as to wind around the outer surface of the side wall portion 82 and the periphery of the narrow width portion 73 of the coil holding member 80 with the central yoke 70 arranged on the planar portion 81 of the coil holding member 80. Is done.
- the configuration shown in FIG. 6 is represented as a central yoke 70 with a coil 85.
- Both ends of a coil wire (not shown) of the coil 85 are connected to corresponding terminals 87, respectively.
- the terminal 87 is formed by bending a conductive spring material into a U shape.
- the plurality of terminals 87 are respectively inserted into terminal mounting portions 83 provided on the coil holding member 80.
- the bottom plate material of the terminal 87 is provided with an arcuate portion 88 projecting downward.
- the arc-shaped portion 88 protrudes below the coil holding member 80.
- the lower end of the arc-shaped portion 88 is in elastic contact with the electrode portion 53 (see FIG. 3) provided on the wiring board 52.
- the lower case 50 is provided with a through hole 54 (see FIG. 3).
- the planar portion 81 of the coil holding member 80 is provided with a press-fit fixed portion 84 at each of the front end portion and the rear end portion thereof.
- the fixed portion 84 at the front end is configured by a rectangular cutout that opens toward the front, and the fixed portion 84 at the front end is configured by a rectangular cutout that opens toward the rear.
- the lateral width (dimension A) of the fixed portion 84 is narrower than the lateral width (dimension B) of the regulated portion 72 in the central yoke 70.
- the upper portion of the coil 85 is disposed in the coil through-hole 61 provided near the central portion of the drive member 60 (see FIGS. 1 and 3).
- the coil through-hole 61 is formed in a rectangular shape in the vicinity of the center of the drive member 60 so as to penetrate vertically.
- FIGS. 1, 3, 4, and 5A to 5D are partially enlarged views of FIG. 5A.
- the first magnet member 110 includes a rectangular parallelepiped permanent magnet 111, a first magnetic body 113 fixed to the front surface of the permanent magnet 111, and a first magnetic body 114 fixed to the rear surface of the permanent magnet 111. ing.
- the first magnetic bodies 113 and 114 are soft magnetic bodies.
- the permanent magnet 111 has an N pole on the side to which the first magnetic body 113 is fixed, and an S pole on the side to which the first magnetic body 114 is fixed.
- the first magnetic body 113 has a first protrusion 115 protruding leftward and a second protrusion 116 protruding rightward.
- the first magnetic body 114 has a first protrusion 115 protruding leftward and a second protrusion 116 protruding rightward.
- the two first projecting portions 115 are provided so as to be attracted to the first auxiliary yoke 130. Further, the two second projecting portions 116 are provided so as to be able to contact the left end surface of the wide width portion 71 of the central yoke 70.
- the second magnet member 120 includes a rectangular parallelepiped permanent magnet 121, a second magnetic body 123 fixed to the front surface of the permanent magnet 121, and a second magnetic body 124 fixed to the rear surface of the permanent magnet 121. ing.
- the second magnetic bodies 123 and 124 are soft magnetic bodies.
- the permanent magnet 121 has an S pole on the side where the second magnetic body 123 is fixed, and an N pole on the side where the second magnetic body 124 is fixed.
- the second magnetic body 123 has a third protrusion 125 protruding leftward and a fourth protrusion 126 protruding rightward.
- the second magnetic body 124 includes a third protrusion 125 protruding leftward and a fourth protrusion 126 protruding rightward.
- the two third projecting portions 125 are provided so as to be in contact with the right end surface of the wide width portion 71 of the central yoke 70.
- the two fourth protrusions 126 are provided so as to be able to be attracted to the second auxiliary yoke 131.
- the first magnet member 110 and the second magnet member 120 are disposed on the lower surface of the drive member 60.
- a predetermined gap is provided between the first magnet member 110 and the second magnet member 120, and a central yoke 70 with a coil 85 is disposed between the first magnet member 110 and the second magnet member 120. Yes.
- the driving member 60 that holds the first magnet member 110 and the second magnet member 120 is placed on the lower case 50.
- the height of the horizontal plane of the first magnet member 110 and the second magnet member 120 is the same as the height of the horizontal plane of the central yoke 70 (see FIG. 1).
- the first magnet member 110 is disposed on the left side of the central yoke 70, and the second magnet member 120 is positioned on the right side of the central yoke 70.
- the driving member 60 has two extending portions 63 that protrude forward and backward. Moreover, the 1st latching
- the stepped protrusion 58 has two step portions, and includes a root portion 58A, an intermediate portion 58B, and a tip portion 58C.
- the root portion 58 ⁇ / b> A is disposed on the lower surface of the middle plate portion 56.
- the most distal end portion in the downward direction of the stepped protrusion 58 is the distal end portion 58C.
- the intermediate portion 58B is between the tip portion 58C and the root portion 58A.
- each of the root portion 58A, the intermediate portion 58B, and the tip portion 58C is a rectangle.
- the horizontal section of the intermediate portion 58B and the tip section 58C is smaller than the horizontal section of the root portion 58A.
- the width in the left-right direction of the root portion 58A is wider than the width in the left-right direction of the intermediate portion 58B and the tip portion 58C, and the root portion 58A regulates the position above the central yoke 70.
- the intermediate portion 58B restricts the position of the central yoke 70 in the left-right direction (horizontal direction).
- the intermediate part 58B functions as a fixed part.
- the dimension C (see FIG. 4) in the left-right direction of the intermediate part 58B (fixed part) is smaller than the dimension B (see FIG. 6) in the left-right direction of the regulated part 72 of the central yoke 70.
- the horizontal section of the distal end portion 58C is smaller than the horizontal section of the intermediate portion 58B (fixed portion), and the distal end portion 58C is formed in a shape that can be press-fitted into the fixed portion 84 of the coil holding member 80. .
- the stepped protrusion 58 is disposed in the rectangular hole 67 of the driving member 60 and the regulated portion 72 of the central yoke 70, and the tip 58 ⁇ / b> C is press-fitted into the fixed portion 84 of the coil holding member 80.
- the central yoke 70 with the coil 85 is integrated in a fixed state below the middle plate portion 56 of the upper case 55.
- the lower surface side of the planar portion 81 of the coil holding member 80 is placed on the lower case 50.
- the root portion 58A is disposed in the rectangular hole 67 of the drive member 60.
- the rectangular hole 67 is provided with a size that does not restrict the movement of the drive member 60 in the left-right direction.
- the intermediate portion 58B is disposed in the restricted portion 72 of the central yoke 70.
- the gap L is provided between the right side surface of the intermediate portion 58B and the restricted portion 72.
- the left and right gaps between the intermediate portion 58B (fixed portion) and the restricted portion 72 are set to be the same L in order to make the explanation easy to understand.
- the distance between the left end surface of the narrow portion 73 of the central yoke 70 and the coil holding member 80 and the distance between the right end surface of the narrow portion 73 of the central yoke 70 and the coil holding member 80 are the gaps. Must be greater than or equal to L.
- the coil holding member 80 is fixed to the upper case 55, but the central yoke 70 is not fixed to the coil holding member 80 and the upper case 55.
- the central yoke 70 can move by at least the gap L toward the left.
- the intermediate portion 58B and the front end portion 58C are formed in a rectangular shape, and both have the same dimension in the front-rear direction but differ only in the width dimension in the left-right direction. .
- This configuration is preferable because the central yoke 70 with the coil 85 can be easily mounted and the size of the tip 58C can be secured.
- a slit-like groove portion 59 (see FIGS. 4 and 5A) is provided at the inner surface position of the outer wall portion 57 (57A, 57B) on the left-right direction side of the upper case 55, and a magnetic plate is provided in the slit-like groove portion 59.
- First auxiliary yokes 130 and 131 made of metal are respectively inserted. The lower ends of the first auxiliary yokes 130 and 131 are placed on the lower case 50.
- the upper case 55 has a pair of bearing portions at the front end portion on the middle plate portion 56 and in the vicinity of the rear end portion.
- the pair of bearing portions is composed of bearing portions 141 and 142.
- Both end portions of the cylindrical shaft portion 152 of the driving body 150 are rotatably held by the two bearing portions 141, and both end portions of the cylindrical shaft portion 162 of the driving body 160 are rotatably held by the two bearing portions 142. Yes.
- Two second locking portions 154 are provided on the lower surface of the driving body 150 (see FIG. 4). Each second locking portion 154 is provided corresponding to the first locking portion 64 of the drive member 60. And as shown in FIG. 8, the edge part of the U-shaped spring 170 is each latched by the 1st latching
- each second locking portion 164 is provided corresponding to the first locking portion 65 of the drive member 60.
- the edge part of the U-shaped spring 170 is each latched by the 1st latching
- the U-shaped springs 170 are made of spring plates having a predetermined width, and all four are the same. In addition, as shown in FIG. 3, it is preferable that the end portion of the U-shaped spring 170 is folded back to prevent the scraping. In addition, the position where the extension part 63 is arrange
- the driving body 150 is incorporated so as to be rotatable around a cylindrical shaft portion 152.
- the driving body 160 is incorporated so as to be rotatable about the cylindrical shaft portion 162.
- a guide portion is provided on the inner side of the upper end portion of the outer wall portion 57 formed at the end portion of the upper case 55 in the front-rear direction.
- the slide member 180 is incorporated in the guide part (refer FIG.1, FIG.2, FIG.8).
- the slide member 180 is incorporated in the upper case 55 so as to be horizontally movable in the left-right direction while being guided by the guide portion.
- the slide member 180 has two pressing portions 182 on the lower surface.
- One pressing portion 182 is disposed at the left end portion of the slide member 180, and the other pressing portion 182 is disposed at the right end portion of the slide member 180.
- the press part 182 is a semi-cylinder shape extended
- the pressing part 182 is provided so as to protrude downward.
- the pressing portion 182 functions as a portion that pushes down the corresponding left driving body 150 or right driving body 160.
- the shape of the central portion of the upper surface of the left driving body 150 pressed by the left pressing portion 182 has a first surface 156, a second surface 157, and a third surface 158, as shown in FIGS.
- the third surface 158 is located on the left side and is a surface close to the slide member 180 side.
- the second surface 157 is located on the right side and is a surface far from the slide member 180 side.
- the first surface 156 is an inclined surface that connects the third surface 158 and the second surface 157.
- the connection location of the 1st surface 156 and the 3rd surface 158 is a corner
- linear protrusions 159 extending in the left-right direction are provided on the upper surfaces of the second surface 157, the first surface 156, and the third surface 158 (see FIG. 3).
- the height of the linear protrusion 159 is the same, and a relief groove 182A is provided at each of the pressing portions 182 facing the linear protrusion 159 as shown in FIG.
- the configuration in which the linear protrusion 159 is disposed in the escape groove 182A is preferable because the slide member 180 can move smoothly in the left-right direction.
- the shape of the central portion of the upper surface of the right driving body 160 pressed by the right pressing portion 182 has a first surface 166, a second surface 167, and a third surface 168, similar to the driving body 150.
- the third surface 168 is located on the right side and is a surface close to the slide member 180 side.
- the second surface 167 is located on the left side and is a surface far from the slide member 180 side.
- the first surface 166 is an inclined surface that connects the third surface 168 and the second surface 167.
- the connection location of the 1st surface 166 and the 3rd surface 168 does not form a corner
- linear projections 169 extending in the left-right direction are provided on the upper surfaces of the second surface 167, the first surface 166, and the third surface 168, and are similar to the linear projections 159 described above. Omitted.
- the power generation apparatus As described above, the power generation apparatus according to the present embodiment is configured.
- FIG. 5A, FIG. 5D, and FIG. 8 show the first state.
- the slide member 180 In the first state, the slide member 180 is in contact with the left outer wall portion 57A of the upper case 55, and is located on the leftmost side.
- the left pressing portion 182 is in contact with the third surface 158 of the left driving body 150.
- the left driving body 150 is rotated counterclockwise and pushed down when viewed from the front.
- the drive member 60 has the right side surface of the drive member 60 in contact with the inner surface of the right outer wall portion 57B. Note that the left side surface of the drive member 60 is separated from the inner surface of the corresponding left outer wall portion 57A.
- the fourth protrusion 126 In the first state, in the second magnet member 120 held by the driving member 60, the fourth protrusion 126 is in a state of being close to the second auxiliary yoke 131 (attraction state). Further, the third protruding portion 125 is separated from the right end surface of the wide width portion 71 of the central yoke 70.
- the second projecting portion 116 is in contact with the thick width portion 71 of the central yoke 70 (attraction state). Further, the first protrusion 115 is separated from the second auxiliary yoke 131.
- the intermediate portion 58B of the stepped protrusion 58 is disposed in the restricted portion 72 of the central yoke 70.
- the magnetic flux of the first magnet member 110 is transmitted to the front wide portion 71 from the first magnetic body 113 to the central yoke 70, and the magnetic flux flows to the rear wide portion 71 to be the first. It travels along the path back to the magnetic body 114.
- the four U-shaped springs 170 are in a state in which the two U-shaped springs 170 for the left driving body 150 are substantially extended (slightly bent). Yes, the drive member 60 is biased slightly to the right. On the other hand, the two U-shaped springs 170 for the right driving body 160 are fully extended. That is, since the right pressing portion 182 is not in contact with the right driving body 160, the right driving body 160 is in a state before being pushed down with the right end positioned upward.
- the four U-shaped springs 170 are substantially extended (slightly bent) or extended in the first state as the operation stop position and the second state described later. It is configured to be in a state. Such a configuration is preferable because the deterioration of the four U-shaped springs 170 due to creep is reduced, and the spring characteristics of the four U-shaped springs 170 are maintained over a long period of time.
- the right pressing portion 182 abuts on the second surface 167 of the right driver 160 and moves rightward on the second surface 167.
- the right driving body 160 is lowered at the right end and rotates in the clockwise direction.
- the driving member 60 starts to move to the left by the spring force. That is, the drive body 160 that can be rotated via the U-shaped spring 170 is connected to the drive body 160, and the spring force is accumulated in the spring according to the rotation of the drive body, and the drive member is moved horizontally by the spring force.
- the spring force accumulated in the U-shaped spring 170 for the driving body 160 at this time is set to be larger than the attractive force between the second magnet member 120 and the second auxiliary yoke 131. Therefore, the drive member 60 moves leftward (first direction) by this spring force.
- the second magnet member 120 and the second auxiliary yoke 131 are close to each other without being brought into contact with each other in the first state, the above operation can be easily realized.
- the driving member 60 moves to the left with the central yoke 70, the first magnet member 110, and the second magnet member 120 without changing the positional relationship with each other.
- FIG. 9A FIG. 9B
- the left side surface of the intermediate portion 58B and the left end surface of the regulated portion 72 in the central yoke 70 are separated by a gap (L + L).
- the left side of the intermediate portion 58B is separated from the central yoke 70.
- the central yoke 70 is separated from the second magnet member 120. A distance between the central yoke 70 and the second magnet member 120 is shown as a distance d in FIG.
- the right side surface of the central main portion of the driving member 60 is separated from the inner surface of the right outer wall portion 57B of the upper case 55 by a gap L.
- the left side surface of the central main portion of the drive member 60 is separated from the inner surface of the left outer wall portion 57B of the upper case 55.
- the driving member 60 holding the central magnet 70 and the attracted first magnet member 110 is also stopped.
- the spring force accumulated in the U-shaped spring 170 is the same as that of the central yoke 70 and the first yoke. It is smaller than the attractive force with the magnet member 110. Therefore, even if the right pressing portion 182 moves further to the right on the second surface 167 of the right driving body 160 after the central yoke 70 is stopped, the driving member 60 and the magnetic circuit constituent unit are not described above. Maintain the stopped state.
- FIG. 10 shows a state immediately before the right pressing portion 182 moves from the second surface 167 to the first surface 166.
- the two U-shaped springs 170 for the left driving body 150 are in an extended state, and are rotated slightly clockwise so that the left end of the left driving body 150 is raised. ing.
- the right pressing portion 182 of the slide member 180 moves rightward on the first surface 166 of the right driving body 160. Then, since the first surface 166 is composed of an inclined surface in the upper right direction, as shown in FIG. 11, the right driving body 160 is pushed down greatly. As the right driving body 160 is pushed down, the two U-shaped springs 170 for the right driving body 160 are greatly bent in a short time.
- the spring force accumulated in the U-shaped spring 170 is set to be larger than the attractive force between the first magnet member 110 and the central yoke 70, and the accumulated spring force is the first magnet member.
- the attracting force between 110 and the central yoke 70 becomes larger, the attracting portion between the first magnet member 110 and the central yoke 70 is separated, and the driving member 60 further moves horizontally toward the left (first direction). .
- the 1st surface 166 which is an inclined surface, it can comprise so that the U-shaped spring 170 may be greatly bent in a short distance within the inclined surface.
- the slope and length of the inclined surface even if there is a variation in the spring force of the U-shaped spring 170 and the magnetic force of each magnet member 110, 120, it is necessary near the intermediate position of the inclined surface. It becomes easy to set it as the structure from which a sufficient spring force is obtained.
- the first drive surface 150 that is an inclined surface is provided for the left driving body 150 for the same reason.
- the central yoke 70 is in a state where the left side of the intermediate portion 58B is separated (indicated by L + L in FIG. 9B). That is, the central yoke 70 is movable to the right (second direction). As the second magnet member 120 approaches the first direction, the magnetic force of the second magnet member 120 is increased, and the central yoke 70 moves to the right (second direction). And the second magnet member 120 is adsorbed.
- the second magnet member 120 moves a distance M in the first direction, and the central yoke 70 moves in the second direction, so that the central yoke 70 and the second magnet member 120 are moved.
- the distance d disappears.
- the state is shown in FIG. 12B.
- FIG. 12B is a partially enlarged view of FIG. 12A.
- FIG. 12A (FIG. 12B) is a cross-sectional view in the horizontal direction.
- FIG. 11 is a vertical sectional view of the power generator of the present embodiment showing the state between FIG. 10 and FIG.
- the slide member 180 comes into contact with the right outer wall 57B and stops at the right end position.
- the right pressing portion 182 moves from the first surface 166 to the third surface 168.
- the right pressing portion 182 of the slide member 180 is in contact with the third surface 168 of the right driving body 160.
- the driving body 160 is rotated in the clockwise direction and is in a pushed down state.
- the drive member 60 is in the state shown in FIG. That is, the drive member 60 is stopped by the left side surface of the central main portion coming into contact with the inner surface of the left outer wall portion 57A.
- the two U-shaped springs 170 for the right driving body 160 are in a substantially extended state (slightly bent state), and apply a spring force that urges the driving member 60 slightly to the left.
- the two U-shaped springs 170 for the left driving body 150 are in a fully extended state, and the left pressing portion 182 is not in contact with the left driving body 150. For this reason, the left driving body 150 is in a state before being pushed down with the left end positioned upward.
- the magnetic circuit component In the second state, the magnetic circuit component remains in the state shown in FIG. 12A (FIG. 12B) described above. That is, the central yoke 70 is attracted to the second magnet member 120, and in other words, between the left side surface of the intermediate portion 58 ⁇ / b> B located in the regulated portion 72 of the central yoke 70 and the left end surface of the regulated portion 72. There is a gap L on the left side when viewed from the intermediate portion 58B.
- the second projecting portion 116 of the first magnet member 110 is separated from the left end surface of the thick portion 71 of the central yoke 70 (indicated by “d” in FIG. 12B). Further, the third projecting portion 125 of the second magnet member 120 is in an attracted state in contact with the right end surface of the wide width portion 71 of the central yoke 70.
- the magnetic flux of the second magnet member 120 is transmitted to the central yoke 70 through the second magnetic body 124 to the thick width portion 71 and then to the second magnetic body 123 through a path.
- the direction in which the magnetic flux flows is opposite to that in the first state.
- the direction of the magnetic flux flowing through the central yoke 70 changes, and an electromotive force is generated in the coil 85 in accordance with the change in the flow of the magnetic flux.
- the electromotive force generated in the coil 85 is supplied to the electrode portion 53 provided on the wiring board 52 through the terminal 87.
- the electric circuit part of the wiring board 52 operates. Examples of the operation contents of the electric circuit unit include generation and transmission of a predetermined radio signal.
- the power generation device of the present embodiment can move horizontally with the first magnet member, the second magnet member in which the first magnet member and the N pole side are arranged in opposite directions.
- a central yoke disposed between the first magnet member and the second magnet member, a coil disposed on the outer periphery of the central yoke, and a drive member that moves horizontally while holding the first magnet member and the second magnet member With.
- the drive member and the central yoke move horizontally in the first direction. After the horizontal movement of the central yoke in the first direction stops, the drive member further horizontally moves in the first direction, and the central yoke moves horizontally in the second direction opposite to the first direction.
- the central yoke 70 itself is configured to be movable toward the second magnet member 120 (second direction) from the first state to the second state. .
- the adsorption time can be shortened by the amount of movement of the central yoke 70 in the second direction, and the time required to change the flow of magnetic flux in the central yoke 70 can be reduced. Therefore, it is possible to provide a power generator that can easily obtain a large electromotive force.
- a regulated portion 72 is provided on the central yoke 70 in order to regulate the operation of the central yoke 70.
- An intermediate portion 58 ⁇ / b> B (fixed portion) of the stepped protrusion 58 is disposed in the regulated portion 72.
- the operation state is a case where the first state is changed to the second state and the left and right are reversed. Since the change from the second state to the first state is the same as the change from the first state to the second state, detailed description thereof is omitted.
- the central yoke 70 moves toward the first magnet member 110 and is attracted to the first magnet member 110, so that the first state changes to the second state. The same effect as that obtained when changing is obtained.
- the present invention is characterized in that the central yoke 70 itself can be moved within a predetermined range and has a new magnetic circuit component that can obtain a large electromotive force.
- the drive member 60 is made of the resin outer wall portion 57A (or the outer wall portion 57). ) To stop. Therefore, the incidental effect that the sound during the adsorption can be reduced is obtained.
- the configuration of the present invention is not limited to the above-described embodiment.
- the shape and formation position of the regulated portion 72 of the central yoke 70 may be set as appropriate, or a stepped protrusion 58 provided on the upper case 55 as a fixing portion disposed in the regulated portion 72. It is not limited to.
- the movement of the drive member 60 in the left-right direction is restricted by the outer wall portion 57A (or 57B) of the upper case 55, but the present invention is not limited to this configuration.
- the shape of the central yoke 70 other than the restricted portion 72 and the shapes and configurations of the first magnet member 110 and the second magnet member 120 are not limited to those described above, and may be set as appropriate.
- the driving member 60 and the driving bodies 150 and 160 are connected by the U-shaped spring 170.
- the spring to be used is not limited to the U-shaped spring 170.
- the driving bodies 150 and 160 may be configured such that the shaft support location is a location corresponding to the end position on the left and right direction side, and the location corresponding to the center position on the left and right direction side is pushed down.
- first auxiliary yoke 130 and the second auxiliary yoke 131 may be provided as necessary.
- the terms “rectangle” and “rectangular shape” are used for explanation, but they are not necessarily strict rectangles, and “rectangular”, “rectangular” that are used for the description in this embodiment are not necessarily used.
- shape includes a substantially rectangular shape with rounded corners.
- the power generation device according to the present invention has an advantageous effect that it can provide a power generation device capable of obtaining a large electromotive force, and is useful for various electronic devices.
Abstract
Description
図19、図20に示す通り、第一の状態では、第一磁石部材4と中央ヨーク41とが当接して吸着する。駆動部材21はケース31内の右側に位置する。磁性体6の前端部の右側面が中央ヨーク41の前端部42の左側面に当接して吸着しており、かつ、磁性体7の後端部の右側面が中央ヨーク41の後端部43の左側面に当接して吸着している。この時、第一磁石部材4は、第一補助ヨーク1の先端1A、1Bから離間している。また、第二磁石部材8は、中央ヨーク41の前端部42、後端部43の右側面から離間しており、磁性体10の前端部の右側面が第二補助ヨーク2の先端2Aに当接して吸着し、磁性体11の後端部の右側面が第二補助ヨーク2の先端2Bに当接して吸着している。
第一の状態から操作部材25の操作部を左方向にスライド移動すると、第一の状態の吸着箇所が離れ、平板バネ23のばね力も加わり、駆動部材21が左方に向かって移動する。駆動部材21の移動に応じて、第一磁石部材4と第二磁石部材8とが左方へスライド移動する。第二の状態を図21および図22に示す。
第二の状態では、図21および図22に示すように、第一磁石部材4の前端部の左側面が第一補助ヨーク1の先端1Aに当接して吸着し、第一磁石部材4の後端部の左側面が第一補助ヨーク1の先端1Bに当接して吸着している。
従来の発電装置において、起電力を大きくするには、コイル45の巻き数を増やす方法が考えられる。しかしながら、コイル45の巻き数を増やすと、コイル45を配置するスペースが確保できず、発電装置のサイズが大きくなるという課題があった。
図1は、本発明の実施の形態における発電装置の断面図である。図2は、本発明の実施の形態における外観斜視図で、図3は、図2の分解斜視図である。図4は、図2を下方側から見た分解斜視図である。図5Aは、本実施の形態における発電装置の水平方向の断面図である。なお、図5Aは第一の状態を示す。図5Bは、図5Aに示す永久磁石111、第一磁性体113、第一磁性体114の部分拡大図で、図5Cは、図5Aに示す永久磁石121と第二磁性体123、第二磁性体124の部分拡大図である。図5Dは、図5Aの部分拡大図である。図6は、コイル付き中央ヨークの外観斜視図である。図7は、図6の分解斜視図である。図8は、第一の状態の発電装置の垂直方向における断面図である。図9Aは、第一の状態の発電装置の水平方向における断面図である。図9Bおよび図9Cは、図9Aの部分拡大図である。図10は、第一の状態から第二の状態に変化する時の発電装置の垂直方向における断面図である。図11は第一の状態から第二の状態に変化する時の発電装置の垂直方向における断面図である。図12Aは、第二の状態の発電装置の水平方向における断面図である。図12Bは、12Aの部分拡大図である。図13および図14は、第二の状態の発電装置の垂直方向における断面図である。
本実施の形態の発電装置の構成について図1~図4を参照しながら説明する。下ケース50は上方から見ると矩形で樹脂製である。下ケース50の下方には蓋板部51が組み込まれている。下ケース50の下面と蓋板部51との間には、電気回路部を有する配線基板52が配置されている。下ケース50の左右方向側の外縁部には、爪部を有する保持部50Aが上方に突出して設けられている。下ケース50は樹脂製の上ケース55と保持部50Aによって結合されている。
次に、中央ヨーク70の構成の詳細について図6および図7を参照しながら説明する。
続いて、図1、図3、図4、図5A~図5Dを参照しながら、磁気回路構成部の構成の詳細について説明する。なお、図5B~図5Dは図5Aの部分拡大図である。
図3に示すように、駆動部材60は、前後に向かってそれぞれ突出する2つの延設部63を有する。また、延設部63の上部それぞれの左端部および右端部には第一係止部64、65が設けられている。第一係止部64、65は左右で線対称の同じ形状である。さらに、駆動部材60は、コイル用貫通孔61と前方の延設部63との間、およびコイル用貫通孔61と後方の延設部63との間に矩形孔67をそれぞれ有する。
次に、コイル85付き中央ヨーク70と上ケース55とが一体化している構成について説明する。
次に、発電装置の駆動体などの構成の詳細について、図1、図3、図4、図5A、図8を参照しながら説明する。
次に、駆動体150の構成について図1、図3、図4を参照しながら、さらに詳細に説明する。
続いて、本実施の形態の発電装置が、第一の状態から第二の状態へ変化する動作について説明する。
図1、図5A、図5D、図8は第一の状態を示している。第一の状態では、スライド部材180は、上ケース55の左側の外壁部57Aに当接しており、最も左方に位置する。左側の押圧部182は、図1に示すように、左側の駆動体150の第三面158上に当接している。この時、左側の駆動体150は正面から見て、左回転に回動し、押し下げられた状態になっている。一方、駆動部材60は、図5A、図5Dに示すように、駆動部材60の右側面が、右側の外壁部57Bの内面に当接している。(図5Dに“0”で示す)なお、駆動部材60の左側面は、対応する左側の外壁部57Aの内面から離間している。
次に、スライド部材180を右方に移動させていくと、左側の押圧部182は左側の駆動体150の第三面158上から第一面156上へと移動する。
次に、中央ヨーク70の左方(第1の方向)へ移動が規制をされた後の動作について説明する。
駆動部材60が左方に移動して停止状態になった時、図12Aおよび図12Bに示すように、第一磁石部材110においては、第一突出部115が第一補助ヨーク130に近接した吸着状態になっている。第二突出部116は中央ヨーク70の太幅部71の左側端面から離間している。第二磁石部材120においては、第三突出部125が中央ヨーク70の太幅部71の右側端面と当接した吸着状態になっている。第四突出部126は第二補助ヨーク131から離間している。
50A 保持部
51 蓋板部
52 配線基板
53 電極部
54 貫通孔
55 上ケース
56 中板部
57,57A,57B 外壁部
58 段付き突起
58A 根元部
58B 中間部
58C 先端部
59 スリット状溝部
60 駆動部材
61 コイル用貫通孔
63 延設部
64,65 第一係止部
67 矩形孔
70 中央ヨーク
71 太幅部
72 被規制部
73 細幅部
80 コイル保持用部材
81 面状部
82 側壁部
83 ターミナル装着部
84 被固定部
85 コイル
87 ターミナル
88 円弧状部
110 第一磁石部材
111,121 永久磁石
113,114 第一磁性体
115 第一突出部
116 第二突出部
120 第二磁石部材
123,124 第二磁性体
125 第三突出部
126 第四突出部
130 第一補助ヨーク
131 第二補助ヨーク
141,142 軸受け部
150,160 駆動体
152,162 円柱軸部
154,164 第二係止部
156,166 第一面
157,167 第二面
158,168 第三面
159,169 線状突起
170 U字ばね
180 スライド部材
182 押圧部
182A 逃げ溝
Claims (4)
- 第一磁石部材と、
前記第一磁石部材とN極側が逆方向に配置される第二磁石部材と、
水平移動が可能で、前記第一磁石部材と前記第二磁石部材との間に配置される中央ヨークと、
前記中央ヨークの外周に配置されるコイルと、
前記第一磁石部材および前記第二磁石部材を保持しながら水平移動する駆動部材と
を備え、
前記駆動部材および前記中央ヨークは第1の方向に水平移動し、
前記中央ヨークの前記第1の方向への水平移動が停止した後、前記駆動部材はさらに前記第1の方向へ水平移動し、かつ、前記中央ヨークは前記第1の方向と反対の第2の方向へ水平移動する
ことを特徴とする発電装置。 - さらに、固定部を備え、
前記中央ヨークが被規制部を有し、
前記被規制部に前記固定部が配置され、
前記被規制部と前記固定部との間に隙間を有し、
前記固定部と前記被規制部とが接すると、前記中央ヨークの前記第1の方向への水平移動が停止する
ことを特徴とする請求項1記載の発電装置。 - さらに、ケースを備え、
前記ケースが外壁部を有し、
前記駆動部材と前記外壁部が接すると、前記駆動部材の前記第1の方向への水平移動が停止する
ことを特徴とする請求項1記載の発電装置。 - さらに、ばねと、回動可能な駆動体とを備え、
前記駆動部材に前記ばねを介して前記駆動体が接続され、
前記駆動体の回動に応じて前記ばねにばね力が蓄積され、
前記ばね力により前記駆動部材の水平移動がなされる
ことを特徴とする請求項1記載の発電装置。
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US14/911,258 US10170969B2 (en) | 2013-11-07 | 2014-11-04 | Power generation device |
CN201490001147.6U CN205753929U (zh) | 2013-11-07 | 2014-11-04 | 发电装置 |
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- 2014-11-04 US US14/911,258 patent/US10170969B2/en active Active
- 2014-11-04 JP JP2015546293A patent/JP6439145B2/ja active Active
- 2014-11-04 CN CN201490001147.6U patent/CN205753929U/zh active Active
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CN111725968A (zh) * | 2016-04-19 | 2020-09-29 | 松下知识产权经营株式会社 | 发电装置 |
CN111725968B (zh) * | 2016-04-19 | 2022-09-13 | 松下知识产权经营株式会社 | 发电装置 |
WO2021002242A1 (ja) * | 2019-07-02 | 2021-01-07 | パナソニックIpマネジメント株式会社 | 入力装置、及び発電装置 |
CN113994573A (zh) * | 2019-07-02 | 2022-01-28 | 松下知识产权经营株式会社 | 输入装置以及发电装置 |
Also Published As
Publication number | Publication date |
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US10170969B2 (en) | 2019-01-01 |
CN205753929U (zh) | 2016-11-30 |
US20160190903A1 (en) | 2016-06-30 |
JP6439145B2 (ja) | 2018-12-19 |
JPWO2015068377A1 (ja) | 2017-03-09 |
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