Vibrating device, jet flow generating device, electronic device, and manufacturing method of vibrating device

Abstract

Provided is a vibrating device which can generate efficient vibrations in a vibrating member and efficiently apply vibrations to a gas, a jet flow generating device in which the vibrating device has been implemented, and an electronic device in which the jet flow generating device has been implemented. A jet flow generating device 10 has a vibrating device 15 including a frame 4 , and actuator 5 mounted on the frame 4 , and a vibrating member 3 supported on the frame 4 by an elastic supporting member 6 . The vibrating member 3 has a side plate 3 b formed on the perimeter portion of a disc-shaped vibrating plate 3 a , for example. Vibration of the vibrating member 3 applies vibrations to air within chambers 11 a and 11 b , whereby gas can alternatingly be blown from nozzles 2 a and 2 b.

1 . A vibrating device configured to vibrate gas included in a housing so as to discharge said gas via an opening included in said housing as a pulsating flow, the vibrating device comprising:
 a frame;   a vibrating member including a vibrating plate supported by said frame, said vibrating plate having a face generally perpendicular to a direction of vibration; and   a driving unit configured to drive said vibrating member,   wherein,
 said vibrating plate has a cone shape with a diameter that increases gradually proceeding in the direction of vibration toward one side of said vibrating plate, and 
 said driving unit includes an actuator configured to vibrate said vibrating member. 
   
     
     
         2 . The vibrating device according to  claim 1 , wherein said vibrating member includes a side plate which is installed upright toward the opposite side of said one side. 
     
     
         3 . The vibrating device according to  claim 1 , wherein said frame supports said side plate in a slidable manner. 
     
     
         4 . The vibrating device according to  claim 3 , wherein said frame supports said side plate in a slidable manner using a gap provided between said frame and said side plate, or lubricating agent. 
     
     
         5 . The vibrating device according to  claim 1 , wherein said vibrating member comprises:
 an edge portion of said vibrating plate supported by said frame in a slidable manner; and   a protruding portion protruding from said side plate, supported by said frame in a slidable manner.   
     
     
         6 . The vibrating device according to  claim 1 , further comprising:
 a first elastic supporting member configured to support said vibrating member, which is disposed between said frame and said side plate so as not to circulate said gas from one side of said vibrating direction of said vibrating plate to the opposite side thereof; and   a second elastic supporting member configured to support said vibrating member, which is disposed between said frame and said side plate so as to be arrayed in a line with said first elastic supporting member generally in said vibrating direction.   
     
     
         7 . The vibrating device according to  claim 6 , wherein said side plate comprises:
 a first end portion to which said first elastic supporting member is connected; and   a second end portion to which said second elastic supporting member is connected, which is provided at the opposite side of said first end portion in said vibrating direction.   
     
     
         8 . The vibrating device according to  claim 6 , wherein said second elastic supporting member is made up of a plurality of plate springs or a plurality of wires. 
     
     
         9 . The vibrating device according to  claim 6 , wherein said first and second elastic supporting members are made up of the same material. 
     
     
         10 . The vibrating device according to  claim 1 , further comprising a bellows-shaped first elastic supporting member configured to support said vibrating member, which is disposed between said frame and said vibrating member so as not to circulate said gas from one side of said vibrating direction of said vibrating plate to the opposite side thereof. 
     
     
         11 . The vibrating device according to  claim 10 , wherein:
 said vibrating member includes a side plate to which said first elastic supporting member is connected, which is provided in said vibrating plate; and   said vibrating device further comprises a bellows-shaped second elastic supporting member configured to support said vibrating member, which is disposed between said frame and said vibrating member so as to be arrayed in a line with said first elastic supporting member in said vibrating direction, and also so as to become a generally symmetrical shape in the vibrating direction of said vibrating member.   
     
     
         12 . The vibrating device according to  claim 11 , wherein:
 said vibrating plate is made up of a cone shape of which the diameter spreads gradually towards one side of the vibrating direction of the vibrating plate; and   said driving unit includes an actuator configured to vibrate said vibrating member, which is disposed at said one side.   
     
     
         13 . The vibrating device according to  claim 10 , wherein:
 said first elastic supporting member comprises
 (a) one trough portion disposed at said vibrating member side, and 
 (b) one peak portion disposed at said frame side; and 
   said driving unit includes
 (a) an actuator configured to vibrate said vibrating member, and 
 (b) a feeder line connected to said actuator so as to pass through the air near said first elastic supporting member. 
   
     
     
         14 . The vibrating device according to  claim 10 , wherein the area of said face of said vibrating plate is not greater than 70% of the area of a portion surrounded by places where said first elastic supporting member is in contact with said frame, which is a portion within a face generally in parallel with said face of said vibrating plate. 
     
     
         15 . The vibrating device according to  claim 1 , wherein said vibrating member is made up of the same material as said vibrating plate, and includes an elastic supporting portion configured to support said vibrating plate by being implemented in said frame, which is the circumference of said vibrating plate. 
     
     
         16 . The vibrating device according to  claim 1 , said driving unit comprising:
 a magnet;   a bobbin including an air communication opening configured to circulate said gas, which is mounted on said vibrating member, and also is provided so as to surround said magnet; and   a coil wound on said bobbin.   
     
     
         17 . The vibrating device according to  claim 1 , wherein:
 said vibrating plate includes a hole portion generally at the center thereof, which penetrates in said vibrating direction; and   said driving unit includes
 (a) a coil mounted in said hole portion, 
 (b) a plate-shaped yoke disposed near said hole portion so as to be surrounded by said coil, and 
 (c) at least two magnets provided so as to sandwich said yoke. 
   
     
     
         18 . The vibrating device according to  claim 1 , wherein said driving unit includes:
 a coil wound around the edge portion of said vibrating member;   a plate-shaped yoke including a hole portion provided so as to surround said coil, which penetrates in said vibrating direction; and   at least two magnets provided so as to sandwich said yoke, which is provided at the outside of said frame.   
     
     
         19 . The vibrating device according to  claim 18 , wherein:
 said vibrating member includes a side plate provided in said vibrating plate; and   said vibrating device further includes
 (a) a first elastic supporting member configured to support said vibrating member, which is disposed between said frame and said side plate so as not to circulate said gas from one side of said vibrating direction of said vibrating plate to the opposite side thereof, and 
 (b) a second elastic supporting member configured to support said vibrating member, which makes up a symmetrical shape as to said first elastic supporting member in the vibrating direction of said vibrating plate, and is disposed between said frame and said side plate so as to dispose said yoke between said first and second elastic supporting members. 
   
     
     
         20 . The vibrating device according to  claim 1 , wherein said driving unit includes:
 a plurality of plane coils mounted on said vibrating plate, and   a plurality of magnets mounted on said frame so as to face each of said plane coils.   
     
     
         21 . The vibrating device according to  claim 1 , wherein said driving unit includes an actuator having a magnet of which residual magnetic flux density is 0.3 through 3.0 T. 
     
     
         22 . The vibrating device according to  claim 20 , wherein said magnet is a neodymium magnet. 
     
     
         23 . The vibrating device according to  claim 1 , wherein said driving unit includes:
 a terminal block mounted on said frame,   an actuator employing electromagnetic drive, which includes a coil, and   a feeder line connected to between said terminal block and said coil.   
     
     
         24 . The vibrating device according to  claim 23 , wherein with said feeder line, the minimum bending radius thereof is generally five times of the thickness of said feeder line. 
     
     
         25 . The vibrating device according to  claim 23 , wherein said feeder line is subjected to braiding. 
     
     
         26 . The vibrating device according to  claim 23 , wherein:
 said actuator is disposed at one side in said vibrating direction of said vibrating plate; and   said feeder line extends at the opposite side of said one side of said vibrating plate.   
     
     
         27 . The vibrating device according to  claim 26 , wherein said vibrating member includes a side plate installed upright at said one side. 
     
     
         28 . The vibrating device according to  claim 23 , wherein:
 said vibrating member includes a side plate having a through hole; and   vibrating device further includes
 (a) a first elastic supporting member configured to support said vibrating member, which is disposed between said frame and said side plate so as not to circulate said gas from one side of said vibrating direction of said vibrating plate to the opposite side thereof, and 
 (b) a second elastic supporting member configured to support said vibrating member, which is disposed between said frame and said side plate so as to be arrayed in a line with said first elastic supporting member generally in said vibrating direction; and 
   said feeder line is disposed so as to be inserted into said through hole, and also so as to be passed through between said first and second elastic supporting members.   
     
     
         29 . The vibrating device according to  claim 23 , wherein the thickness of said feeder line is not less than 0.4 mm. 
     
     
         30 . The vibrating device according to  claim 23 , wherein the cross section perpendicular to the longitudinal direction of said feeder line is a flat shape. 
     
     
         31 . The vibrating device according to  claim 1 , wherein:
 said driving unit includes
 (a) a terminal block mounted on said frame, and 
 (b) an actuator employing electromagnetic drive, which includes a coil; and 
   said vibrating member includes a side plate provided on said vibrating plate; and   driving device further includes an elastic supporting member configured to support said vibrating member, which is made up of a conductive material capable of supplying power to said actuator, and is disposed between said frame and said side plate.   
     
     
         32 . The vibrating device according to  claim 1 , wherein said driving unit includes:
 an actuator employing electromagnetic drive, which includes a coil, and   a feeder line of which the minimum bending radius is generally five times of the thickness of said feeder line, which is connected to said coil.   
     
     
         33 . The vibrating device according to  claim 1 , wherein said frame includes an air communication opening configured to circulate said gas. 
     
     
         34 . The vibrating device according to  claim 1 , wherein:
 said vibrating member is a cylindrical shape including a first and second vibrating plates connected to both ends in said vibrating direction of said side plate; and   said driving unit includes an actuator configured to vibrate said vibrating member in the inside of said cylindrical-shaped vibrating member.   
     
     
         35 . The vibrating device according to  claim 1 , wherein:
 said driving unit includes an actuator configured to vibrate said vibrating member; and   said vibrating member includes
 (a) a first vibrating plate connected to said actuator, and 
 (b) a second vibrating plate configured to vibrate in sync with said first vibrating plate due to change in pressure of said gas to be generated when said first vibrating plate vibrates by said actuator being driven, which is arrayed with said first vibrating plate generally in said vibrating direction. 
   
     
     
         36 . The vibrating device according to  claim 1 , wherein:
 said driving unit includes an actuator employing electromagnetic drive, which includes a coil; and   at least part of said frame is made up of a magnetic substance configured to make up the magnetic circuit of said actuator.   
     
     
         37 . The vibrating device according to  claim 1 , further comprising:
 an elastic supporting member configured to support said vibrating member,   wherein,
 said frame has a plate-shaped appearance within said face, on which said elastic supporting member is mounted. 
   
     
     
         38 . The vibrating device according to  claim 37 , wherein:
 said housing is made up of a resin; and   said frame is made up of a material of which the rigidity is higher than said housing.   
     
     
         39 . The vibrating device according to  claim 37 , wherein said frame is made up of metal. 
     
     
         40 . The vibrating device according to  claim 37 , further comprising an elastic supporting member configured to support said vibrating member so as to be vibrated, which is implemented in said housing, and also is formed so as to cover said frame. 
     
     
         41 . The vibrating device according to  claim 1 , further comprising an elastic supporting member configured to support said vibrating member so as to be vibrated, which is implemented in said frame, and also is formed so as to cover said vibrating member. 
     
     
         42 . The vibrating device according to  claim 41 , wherein said elastic supporting member is formed so as to cover said frame. 
     
     
         43 . The vibrating device according to  claim 1 , wherein said driving unit includes:
 an electric wire of which the cross section generally perpendicular to the longitudinal direction is a polygon, and   an actuator employing electromagnetic drive, which includes a coil configured by said electric wire being wound.   
     
     
         44 . The vibrating device according to  claim 43 , wherein said coil is configured by an even number of layers being wound. 
     
     
         45 . The vibrating device according to  claim 1 , wherein said driving unit includes an actuator employing electromagnetic drive, which includes a coil configured by an even number of layers being wound. 
     
     
         46 . The vibrating device according to  claim 1 , wherein said driving unit includes:
 a magnet implemented in said vibrating member, and   a coil configured to vibrate said vibrating member in which said magnet is implemented by generating a magnetic field upon application of electricity.   
     
     
         47 . The vibrating device according to  claim 1 , wherein said coil is disposed outside said housing. 
     
     
         48 . The vibrating device according to  claim 1 , wherein said driving unit includes:
 a power source configured to apply power for rotating said vibrating member within said face, and   a transformation mechanism configured to transform the movement of said vibrating member which rotates by said power source so as to vibrate said vibrating member in said vibrating direction.   
     
     
         49 . The vibrating device according to  claim 48 , wherein said power source includes:
 a coil, and   a magnet implemented in said vibrating member.   
     
     
         50 . The vibrating device according to  claim 48 , wherein said transformation mechanism is made up of a screw mechanism or cam mechanism. 
     
     
         51 . The vibrating device according to  claim 1 , wherein said vibrating member is a bimorph-type piezoelectric actuator. 
     
     
         52 . The vibrating device according to  claim 1 , wherein:
 said vibrating member includes an end portion within said face; and   said driving unit includes
 (a) a coil mounted on said end portion of said vibrating member, and 
 (b) a plurality of magnetic circuit configuration members configured to make up a magnetic circuit configured to apply driving force to said coil. 
   
     
     
         53 . The vibrating device according to  claim 52 , wherein said magnetic circuit configuration member includes:
 a first yoke including a first wall around which said coil is disposed, and a second wall facing said first wall, which is installed upright in said vibrating direction;   a plate-shaped second yoke disposed between said first wall and said second wall so as to face both of said first and second walls; and   a magnet magnetized in a direction from said first wall toward said second yoke, which is sandwiched between said first wall and said second yoke.   
     
     
         54 . A jet flow generating device comprising:
 a frame;   a vibrating member including a vibrating plate supported by said frame, said vibrating plate having a face generally perpendicular to a direction of vibration;   a housing including an opening, configured to support said frame, and also in which gas is included; and   a driving unit configured to discharge said gas via said opening as a pulsating flow by driving said vibrating member to apply vibration to said gas,   wherein,
 said driving unit includes 
 a terminal block implemented in said housing, 
 an actuator employing electromagnetic drive, which includes a coil, and 
 a feeder line connected to between said terminal block and said coil. 
   
     
     
         55 . The jet flow generating device according to  claim 54 , wherein said housing includes at least said two openings, and also includes at least two chambers therein, which are provided at one side in said vibrating direction of said vibrating plate, and at the opposite side thereof so as to each communicate with each of said openings. 
     
     
         56 . The jet flow generating device according to  claim 54 , wherein said driving unit includes:
 an actuator employing electromagnetic drive, and   a circuit board configured to generate an electric signal arranged to operate said actuator, which is attached to said housing.   
     
     
         57 . The jet flow generating device according to  claim 56 , wherein:
 said housing includes a face having a different angle from said face; and   said circuit board is attached to said face having a different angle.   
     
     
         58 . The jet flow generating device according to  claim 56 , wherein said circuit board makes up part of said housing. 
     
     
         59 . The jet flow generating device according to  claim 54 , wherein said housing includes:
 first and second chambers which are separated by said vibrating member in the vibrating direction of said vibrating member within said housing, in which said gas is included, and   a plate made up of a magnetic substance, which is disposed at least at one side of said first and second chambers.   
     
     
         60 . The jet flow generating device according to  claim 59 , wherein said plate is made up of metal, and makes up part of said housing. 
     
     
         61 . The jet flow generating device according to  claim 54 , wherein said housing includes:
 an opening for work, and   a lid mounted on said opening for work.   
     
     
         62 . The jet flow generating device according to  claim 54 , wherein with said housing, part thereof is made up of a material configured to transmit visible light. 
     
     
         63 . The jet flow generating device according to claim  54 , further comprising a fixing mechanism configured to fix said jet flow generating device to an electronic device. 
     
     
         64 . The jet flow generating device according to  claim 54 , wherein said housing includes:
 a plurality of said openings,   a first opening having a first opening face of said openings, and   a second opening having a second opening face of a different angle from said first opening face.   
     
     
         65 . The jet flow generating device according to  claim 64 , wherein said first opening face and said second opening face are disposed so as to be almost orthogonal to each other. 
     
     
         66 . The jet flow generating device according to  claim 64 , wherein said first opening face and said second opening face are disposed almost in parallel. 
     
     
         67 . A jet flow generating device comprising:
 a plurality of vibrating members configured to be all vibrated generally in the same direction;   a housing including
 (a) a plurality of openings, and 
 (b) a plurality of chambers configured to each communicate to each of said openings, in which each of said vibrating members is disposed, which are disposed so as to be arrayed within a face generally perpendicular to the vibrating directions of said vibrating members, and each of which gas is included; and 
 a driving unit configured to discharge said gas via said each opening as a pulsating flow by driving said vibrating members to apply vibration to said gas. 
   
     
     
         68 . The jet flow generating device according to  claim 67 , further comprising a nozzle member including a plurality of said gas conduits which communicate to said respective openings respectively, and forming said respective conduits integrally. 
     
     
         69 . The jet flow generating device according to  claim 67 , wherein said housing includes a hole into which a heat transport device is fitted, which is configured to transport heat based on the phase change of a working fluid using capillary action. 
     
     
         70 . The jet flow generating device according to  claim 67 , wherein said housing includes a step, a groove, or a recessed portion with which a heat transport device is in contact, which is configured to transport heat based on the phase change of a working fluid using capillary action. 
     
     
         71 . The jet flow generating device according to  claim 67 , wherein:
 said driving unit includes an actuator employing electromagnetic drive, which includes a magnetic circuit configuration member making up a magnetic circuit; and   said magnetic circuit configuration member is provided so as to protrude outside said housing in said vibrating direction from said housing.   
     
     
         72 . A jet flow generating device comprising:
 a vibrating member including a vibrating plate having a face generally perpendicular to a vibrating direction;   a housing including an opening, configured to support said vibrating member so as to be vibrated, and also in which gas is included; and   a driving unit configured to discharge said gas via said opening as a pulsating flow by driving said vibrating member to apply vibration to said gas,   wherein,
 said driving unit includes an actuator employing electromagnetic drive, which includes a magnetic circuit; and 
 at least part of said housing is made up of a magnetic substance configured to make up said magnetic circuit. 
   
     
     
         73 . A jet flow generating device comprising:
 a frame;   a vibrating member including a vibrating plate supported by said frame, the vibrating plate having a face generally perpendicular to direction of vibration;   a housing including an opening, configured to support said frame, and also in which gas is included; and   a driving unit configured to discharge said gas via said opening as a pulsating flow by driving said vibrating member to apply vibration to said gas, the driving unit including (a) a magnet, (b) a bobbin including an air communication opening configured to circulate said gas, which is mounted on said vibrating member, and also is provided so as to surround said magnet and (c) a coil which is wound around said bobbin.   
     
     
         74 . An electronic device comprising:
 a heat-generating member;   a jet flow generating device including
 (a) a frame, 
 (b) a vibrating member including a vibrating plate supported by said frame, the vibrating plate having a face generally perpendicular to direction of vibration, 
 (c) a first housing including an opening, configured to support said frame, and also in which gas is included, and 
 (d) a driving unit configured to discharge said gas toward said heat-generating member via said opening as a pulsating flow by driving said vibrating member to apply vibration to said gas; and 
   a second housing capable of holding said heat-generating member and said jet flow generating device.   
     
     
         75 . The electronic device according to  claim 74 , wherein said vibrating member includes a side plate provided on said vibrating plate. 
     
     
         76 . The electronic device according to  claim 74 , wherein part of said second housing is made up of part of said first housing. 
     
     
         77 . The electronic device according to  claim 74 , wherein said second housing includes an air inlet configured to introduce external atmospheric pressure when said gas is discharged via said opening. 
     
     
         78 . The electronic device according to  claim 77 , wherein said second housing includes a bottom portion where said first housing is laid, and said air inlet is disposed around said opening. 
     
     
         79 . The electronic device according to  claim 78 , further comprising a spacer provided in said bottom portion, which is in the exterior of said second housing. 
     
     
         80 . The electronic device according to  claim 77 , wherein said second housing includes an air outlet configured to cause gas obtained by the gas introduced from said air inlet, and the gas discharge via said opening being synthesized to pass through said heat-generating member, and to discharge the gas thereof, which is disposed at the opposite side where said opening of said first housing is disposed, of said heat-generating member. 
     
     
         81 . The electronic device according to  claim 74 , wherein a plurality of said jet flow generating devices are provided. 
     
     
         82 . The electronic device according to  claim 81 , wherein said jet flow generating devices are configured so as to approximately align the vibrating directions of said respective vibrating plates, and also which are arrayed in parallel within a face generally perpendicular to the vibrating directions. 
     
     
         83 . An electronic device comprising:
 a heat-generating member;   a jet flow generating device including
 (a) a vibrating member including a vibrating plate having a face generally perpendicular to a vibrating direction, 
 (b) a first housing including an opening, configured to support said vibrating member so as to be vibrated, and also in which gas is included, and 
 (c) a driving unit configured to discharge said gas toward said heat-generating member via said opening as a pulsating flow by driving said vibrating member to apply vibration to said gas; and 
   a second housing capable of holding said heat-generating member and said jet flow generating device.   
     
     
         84 . An electronic device comprising:
 a heat-generating member;   a jet flow generating device including
 (a) a frame, 
 (b) a vibrating member including a vibrating plate having a face generally perpendicular to a vibrating direction, supported by said frame so as to be vibrated, 
 (c) a first housing including an opening, configured to support said frame, and also in which gas is included, 
 (d) a driving unit configured to discharge said gas toward said heat-generating member via said opening as a pulsating flow by driving said vibrating member to apply vibration to said gas, the driving unit including (1) a magnet, (2) a bobbin including an air communication opening configured to circulate said gas, which is mounted on said vibrating member, and also is provided so as to surround said magnet, and (c) a coil which is wound around said bobbin; and 
   a second housing capable of holding said heat-generating member and said jet flow generating device.   
     
     
         85 . An electronic device comprising:
 a first heat-generating member;   a first jet flow generator configured to discharge a first gas in a first direction towards said first heat-generating member as a pulsating flow;   a second heat-generating member; and   a second jet flow generator configured to discharge a second gas in a second direction, which differs from said first direction, towards said second heat-generating member as a pulsating flow.   
     
     
         86 . The electronic device according to  claim 85 , wherein said first direction and said second direction differ approximately 90 degrees. 
     
     
         87 . The electronic device according to  claim 86 , wherein said first and said heat-generating members have the same configuration. 
     
     
         88 . The electronic device according to  claim 86 , wherein said first and said second jet flow generators have the same configuration. 
     
     
         89 . The electronic device according to  claim 86 , wherein the length obtained by adding the length of said first heat-generating member in said first direction, and the length of said first jet flow generator in said first direction is approximately equal to the length in said first direction of said second jet flow generator. 
     
     
         90 . A method for making of a vibrating device configured to vibrate gas included in a housing to discharge said gas via an opening included in said housing as a pulsating flow, said method comprising:
 providing a frame to be attached to said housing in a predetermined position; and   integrally molding said frame and an elastic supporting member configured to support a vibrating member.   
     
     
         91 . The manufacturing method of the electronic device according to  claim 90 , further comprising:
 integrally molding said vibrating member and said elastic supporting member.   
     
     
         92 . A method of making a vibrating device configured to vibrate gas included in a housing to discharge said gas via an opening included in said housing as a pulsating flow, said method comprising:
 integrally molding said vibrating member and an elastic supporting member configured to support said vibrating member.