WO2006027938A1 - 流体ポンプ - Google Patents
流体ポンプ Download PDFInfo
- Publication number
- WO2006027938A1 WO2006027938A1 PCT/JP2005/014987 JP2005014987W WO2006027938A1 WO 2006027938 A1 WO2006027938 A1 WO 2006027938A1 JP 2005014987 W JP2005014987 W JP 2005014987W WO 2006027938 A1 WO2006027938 A1 WO 2006027938A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fluid
- pump
- magnetic
- fluid pump
- magnetic field
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D33/00—Non-positive-displacement pumps with other than pure rotation, e.g. of oscillating type
Definitions
- the present invention relates to a fluid pump that is small in size and has a very small installation area.
- a cooling system is used to efficiently cool electronic components such as a CPU provided on a circuit board of an electronic device.
- heat is radiated by blowing air from a cooling fan to a heat radiating fin provided in an electronic component.
- electronic devices have become thinner and smaller, and the amount of heat generated by the power of electronic components has increased as electronic components have become more sophisticated and highly integrated.
- a cooling system for cooling electronic components by circulating a refrigerant using a small pump is being developed and put into practical use.
- a vortex pump has been proposed in which blades are provided on the outer periphery of a cup-shaped rotor of a motor to form an impeller, and a stator and a rotor are provided concentrically so as to reduce the thickness (Japanese Patent Laid-Open No. 2005-260787 2003—161284).
- a vortex pump in which the impeller is formed in a ring shape so that the rotor is provided concentrically within the thickness range of the stator to reduce the thickness (Japanese Patent Laid-Open No. 2003-1722867).
- an impeller which is a rotor
- an impeller can be coaxially disposed outside the stator to reduce the thickness, but the installation area is increased and the occupied area in the apparatus is increased.
- the impeller's radius of rotation increases, the impeller's inertial moment increases as the occupied area increases, and if the power consumption in the stator coil increases, there is a concern that the cooling efficiency will decrease due to the heat generated by the pump. .
- An object of the present invention is to provide a fluid pump which is reduced in thickness and promotes downsizing by reducing an occupied area.
- the present invention has the following configuration.
- a pump pipe section that forms a fluid flow path, a peristaltic member that is inserted into the pump pipe section and is supported in a cantilevered manner at one end, and a permanent magnet or a magnetic body is provided in part, and an exterior to the pump pipe section
- a magnetic field generator that generates a magnetic field that intersects the flow path by energizing a coil provided with a magnetic pole that is aligned with the magnetic pole of the permanent magnet or magnetic body.
- the suction repulsion or intermittent suction with the magnetic material is repeated, the fluid is sent out by a bending operation in which the tip end side of the swinging member is bent and reciprocated.
- the peristaltic member is characterized by using a resin plate material or a non-magnetic metal plate material that is formed so as to be thinned toward the tip side.
- the peristaltic member is characterized in that the original end side that is cantilevered is formed of a metal plate material, and the tip end side is integrally formed of a resin plate material.
- the peristaltic member is characterized in that it stops at a stop position shifted from the axial position force of the pump piping section.
- the coil of the magnetic field generator is controlled to be energized in one direction so that the peristaltic member reciprocates at the stop position force.
- the permanent magnet or the magnetic body is characterized in that it is assembled to the swing member by press-fitting, bonding, or integral molding.
- the magnetic field generator is mounted by fitting a metal frame that becomes a magnetic flux path into the pump pipe.
- the magnetic field generation unit is characterized in that energization control is performed by alternately switching energization directions.
- the magnetic field generating section is characterized in that it is externally mounted on the pump piping section at a position where the permanent magnet of the peristaltic member or magnetic pole of the magnetic member at the stop position and the axial center position coincide with each other.
- the distal end side of the swing member is characterized in that a frame and a flexible plate material are formed adjacent to the frame and formed into a body.
- a peristaltic member When the fluid pump according to the present invention is used, a peristaltic member, one end of which is supported in a cantilevered manner and a part of which is provided with a permanent magnet or a magnetic body, is inserted into a pump piping section that forms a fluid flow path. Therefore, the occupied area can be significantly reduced in view of the thinning of the pump, Miniaturization is promoted.
- the magnetic field generating part mounted on the pump piping part energizes the coil that is provided with the magnetic pole of the permanent magnet or magnetic body aligned with the axial center position, thereby generating a magnetic field that intersects the flow path.
- FIG. 1A and FIG. 1B are a cross-sectional view and a left-side cross-sectional view of a fluid pump according to a first embodiment.
- FIG. 2 is a top view of the fluid pump of FIG. 1A.
- FIG. 3 is a bottom view of the fluid pump of FIG. 1A.
- FIG. 4 is an exploded perspective view of the fluid pump of FIG. 1A.
- FIG. 5A and FIG. 5B are explanatory diagrams of the liquid feeding operation of the fluid pump of FIG. 1A.
- FIG. 6 is a cross-sectional view showing another configuration of the swing member.
- FIG. 7A to FIG. 7D are a sectional view, a top view, a bottom view, and a left side sectional view of a fluid pump according to a second embodiment.
- FIG. 8 is an exploded perspective view of the fluid pump of FIG. 7A.
- FIG. 9A to FIG. 9D are a sectional view, a top view, a bottom view and a left side sectional view of a fluid pump according to a third embodiment.
- FIG. 10 is an exploded perspective view of the fluid pump of FIG. 9A.
- FIG. 11A to FIG. 11D are a sectional view, a top view, a bottom view, and a left side sectional view of a fluid pump according to a fourth embodiment.
- FIGS. 12A to 12D are explanatory views showing energization waveforms to the coils of the magnetic field generating section.
- FIG. 13 A schematic explanatory view of the cooling device.
- FIG. 14 is a perspective view of a peristaltic member of a fluid pump according to a fifth embodiment.
- FIG. 15A and FIG. 15B are explanatory views showing the reciprocating motion of the swing member of FIG. BEST MODE FOR CARRYING OUT THE INVENTION
- the fluid pump according to the present invention is widely applied to a fluid pump that is provided in a part of a pipeline for transferring a fluid and sends out the fluid.
- an electronic component (CPU) cooling pump provided in a personal computer will be described as an example of a fluid pump.
- a schematic configuration of a cooling device in which a cooling pump is used will be described with reference to FIG. In FIG.
- the cooling pump 1 is provided in a part of a pipeline 2 for transferring a refrigerant (for example, water).
- the heat absorber 3 cools the heat generated by the CPU 4 by exchanging heat with the refrigerant.
- the heat dissipating unit 5 performs heat exchange between the refrigerant that has been warmed by passing through the heat absorbing unit 4 and the atmosphere, and releases heat.
- fins in which irregularities are formed on an aluminum plate are used.
- a refrigerant reserve tank (not shown) may be provided downstream of the heat dissipating section 5.
- a cylindrical pump pipe section 6 is connected between pipes 7 and 8 forming a fluid flow path and forms part of the pipe path 2.
- One end of the pump pipe 6 is press-fitted into the pipe 8 from the open end.
- a swing member 9 is inserted, the support section 10 of the swing member 9 is press-fitted into the opening, and the end faces are bonded to each other.
- the connection part 11 formed in the support part 10 is press-fitted into the open end of the pipe 7.
- the support portion 10 and the sliding member 9 provided on the tip side thereof are integrally formed by, for example, resin molding.
- the support portion 10 is formed with a refrigerant flow path 10b that is partitioned by a cross-shaped connection portion 10a that is connected to the base end of the swing member 9.
- the peristaltic member 9 is inserted into the pump piping part 6 and is supported at one end side in a cantilever manner by the support part 10.
- a mounting hole 12 is formed in a part of the sliding member 9, and a permanent magnet 13 (or a magnetic material such as an iron core) is assembled into the mounting hole 12 by press-fitting, bonding, or integral molding (FIG. 3). reference).
- a slit 14 is formed on the support end (fixed end) side of the swing member 9 close to the support portion 10 in order to give elasticity (see FIG. 3).
- the leading end (free end) side of the swing member 9 is formed so that the plate thickness gradually becomes thin in order to provide flexibility (see FIG. 1A).
- sliding member 9 and the support portion 10 that are integrally molded, polyacetal resin, reinforced plastic mixed with filler, or the like is preferably used.
- a non-magnetic metal plate for example, stainless steel (SUS) plate
- SUS stainless steel
- a magnetic field generating section 15 is provided on the outer periphery of the pump piping section 6.
- the magnetic field generator 15 is provided with a flexible substrate 16 on the outer peripheral surface of the pump pipe 6.
- a coil holding part 17 projects from the outer peripheral surface of the pump piping part 6, and a coil 18 is provided on the coil holding part 17 so that the magnetic poles of the permanent magnet 13 (or magnetic body) coincide with the axial center position.
- the lead wires 18a and 18b of the coil 18 are soldered to the flexible substrate 16. Further, external connection lines 19a and 19b to a control board (not shown) are connected to the flexible board 16 (see FIG. 2).
- an iron core 20 is fitted in the axial center portion of the coil 18.
- the iron core 20 is made of, for example, columnar pure iron, and the surface thereof is insulated.
- An insulating sheet 21 is superimposed on the end surface (upper surface) of the coil 18.
- the metal frame 22 is made of a magnetic steel plate (silicon steel plate or the like), and the magnetic field generator 15 is externally attached to the pump piping 6 by the elasticity of the metal frame 22.
- the peristaltic member 9 is reciprocated. At this time, the refrigerant is sent out by bending the tip end side of the peristaltic member 9 and performing a rolling operation.
- FIG. 12 illustrates an energization waveform to the coil 18 of the magnetic field generator 15.
- the rectangular wave current shown in FIG. 12B or the sine wave current (including the pseudo sine wave current) shown in FIG. Can be reciprocated.
- a peristaltic member 9 in which a permanent magnet 13 (or a magnetic material) is assembled is inserted into the pump pipe part 6, and the support part 10 of the peristaltic member 9 is connected to the pump pipe. It is press-fitted into the opening of part 6 and the end faces are bonded together. Further, the connection part 11 formed in the support part 10 is press-fitted into the opening end of the pipe 7.
- the flexible substrate 16 and the iron core 20 are mounted on the outer periphery of the pump piping section 6, and the coil 18 is connected to the iron core 20 and the coil holding section. The inner and outer peripheries are guided by the material 17 and assembled. The coil 18 is electrically connected to the flexible substrate 16.
- An insulating sheet 21 is placed on the end surface (upper surface) of the coil 18, and a metal frame 22 is fitted from the outside to assemble the magnetic field generating unit 15 to the pump piping unit 6.
- the pump pipe 6 is press-fitted into the pipe 8 from the open end.
- FIG. 5A if a magnetic field in the direction of the arrow is generated by energizing the coil 18, the peristaltic member 9 moves in the direction of the arrow D.
- FIG. 5B if a magnetic field in the direction of the arrow is generated by energizing the coil 18, The peristaltic member 9 moves in the direction of arrow U.
- the sliding member 9 is made of a resin plate that has been molded so that the plate thickness is reduced toward the leading end side.
- a propulsive force in the direction of arrow F acts on the refrigerant. This propulsive force causes the refrigerant to circulate through the pump piping 2.
- the peristaltic member 9 may be assembled so as to stop at the stop position (solid line position in FIG. 6) that is inserted into the pump pipe section 6 and deviated from the axial position M.
- the coil 18 of the magnetic field generator 15 is energized in one direction so that the peristaltic member 9 also reciprocates in the stopping position force.
- energization control is performed so that the rectangular wave current shown in FIG. 12A flows at a predetermined interval. In this way, the energization control is sufficient in one direction, and the control operation becomes easy.
- the permanent magnet 13 may be an iron core that is a magnetic material.
- FIGS. 7A, 7B, 7C, and 7D a rotating shaft 23 is provided on both sides in the width direction of the swinging member 9, and the support portion 10 is pivotally supported around the rotating shaft 23 to slide during reciprocating motion. You may make it raise property. That is, in FIG. 8, the support member 10 is provided with bearing members 24 protruding from both sides, and the bearing member 24 is provided with a shaft hole 25. While the bearing member 24, which is a grease material, is expanded to both sides, the rotating shafts 23 projecting on both sides in the width direction of the sliding member 9 are inserted into the shaft holes 25 so that the sliding member 9 is rotatably supported.
- the energization waveform to the coil 18 of the magnetic field generator 15 is the same as in FIGS. 12B and 12C.
- the rocking member 9 is formed by a metal plate material (for example, SUS plate material) 26 on the original end side that is cantilevered, and the distal end side is a resin plate material (for example, polyacetal resin material) ) It may be a no-branch structure formed in 27.
- the metal plate material 26 is integrally formed with the support portion 10 and the resin plate material 27 by any one of press-fitting, bonding, and insert molding.
- the magnetic field generating section 15 provided on the outer periphery of the pump piping section 6 is not limited to one place, and a plurality of magnetic field generating sections 15 may be provided. Specifically, in FIGS. 11A, B, C, and D, the magnetic field generator 15 matches the magnetic pole of the permanent magnet 13 (or magnetic body) with the axial center position when the peristaltic member 9 is stopped on the pump pipe 6. They are provided at opposite positions.
- coil holding parts 17 are respectively projected at positions facing each other, and the coils 18 connected to the flexible substrate 16 are respectively connected to the coil holding parts 17 with permanent magnets 13 (or magnetic The magnetic poles of the body are aligned with the axial center position.
- An insulating coated iron core 20 is fitted in the axial center portion of each coil 18, and an insulating sheet 21 is overlaid on the end face (upper surface) of the coil 18.
- the coil 18 and the iron core 20 held by the both-side coil holding part 17 are attached by fitting the metal frame 22 into the outer periphery of the pump pipe part 6 from both sides.
- the coils 18 of the magnetic field generator 15 are energized and controlled so that they are alternately energized in the same direction as shown in FIG. 12D.
- the coils 18 are connected in series, and the energization control is performed by alternately switching the energization directions as shown in the energization waveform shown in FIG. 12B.
- the peristaltic member 9 is inserted into the pump piping section 6 and attracted and repelled with the magnetic pole formed on the iron core 20 by energizing the coil 18 of the magnetic field generating section 15 provided on the outer periphery (or Since the pump can be configured with the installation space of the cross-sectional area of the pipe plus alpha, it can occupy less space and can be downsized.
- the pump piping section 6 can be connected to both ends of the piping 7 and 8 by connecting the both ends of the pump piping section 6.
- the swing member 9 includes a holding portion 30 that is formed of, for example, a metal plate material (for example, SUS plate material) 26 and that holds the permanent magnet 13 (or magnetic body) on the front end side that is cantilevered Has a hybrid structure formed of a resin material (for example, polyacetal resin).
- the metal plate material 26 is formed integrally with the support portion 10 and the resin plate material 27 by pressing, bonding, or insert molding.
- the holding portion 30 that holds the permanent magnet 13 may be integrally formed of a resin plate material.
- a frame body 28 and a flexible plate material 29 adjacent to the frame body 28 are formed in a body.
- the frame body 28 is provided so as to efficiently reciprocate while suppressing the resistance of the fluid as much as possible when reciprocating, and the plate material 29 is provided for applying a thrust to the fluid, and the tip of the peristaltic member 9 is provided.
- the side is the structure which separated the function.
- the frame body 28 is formed in a rectangular cross section (rhombus shape), and a stopper 28a is provided on the tip side so as to be orthogonal to the frame body 28 on both sides. Further, the plate member 29 is provided adjacent to the front end side of the frame body 28 on which the stopper 28a is formed. The plate member 29 has a flange 29a protruding so as to face the stopper 28a.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Description
Claims
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004259695 | 2004-09-07 | ||
JP2004-259695 | 2004-09-07 | ||
JP2004284796 | 2004-09-29 | ||
JP2004-284796 | 2004-09-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006027938A1 true WO2006027938A1 (ja) | 2006-03-16 |
Family
ID=36036226
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/014987 WO2006027938A1 (ja) | 2004-09-07 | 2005-08-17 | 流体ポンプ |
Country Status (1)
Country | Link |
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WO (1) | WO2006027938A1 (ja) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7364409B2 (en) | 2004-02-11 | 2008-04-29 | Haldex Hydraulics Corporation | Piston assembly for rotary hydraulic machines |
US7380490B2 (en) | 2004-02-11 | 2008-06-03 | Haldex Hydraulics Corporation | Housing for rotary hydraulic machines |
US7402027B2 (en) | 2004-02-11 | 2008-07-22 | Haldex Hydraulics Corporation | Rotating group of a hydraulic machine |
WO2009044453A1 (ja) * | 2007-10-02 | 2009-04-09 | Nippo Ltd. | ポンプおよびそのポンプを使用した冷却システム |
US7856817B2 (en) | 2004-12-01 | 2010-12-28 | Haldex Hydraulics Corporation | Hydraulic drive system |
US7992484B2 (en) | 2004-02-11 | 2011-08-09 | Haldex Hydraulics Corporation | Rotary hydraulic machine and controls |
CN103423174A (zh) * | 2012-05-15 | 2013-12-04 | 台达电子工业股份有限公司 | 振动风扇 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51142704A (en) * | 1975-05-20 | 1976-12-08 | Riepe Waldemar | Fluid pumps |
JPS61154470A (ja) * | 1984-12-07 | 1986-07-14 | Secoh Giken Inc | 弾性体薄片を振動せしめる装置 |
JPH0183200U (ja) * | 1987-11-25 | 1989-06-02 | ||
GB2210414A (en) * | 1987-10-01 | 1989-06-07 | Emi Plc Thorn | A pumping device |
JPH0529800B2 (ja) * | 1985-12-04 | 1993-05-06 | Fukushin Kogyo Kk | |
JP2000320443A (ja) * | 1999-01-12 | 2000-11-21 | Sozoan:Kk | 運動変換装置 |
-
2005
- 2005-08-17 WO PCT/JP2005/014987 patent/WO2006027938A1/ja active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51142704A (en) * | 1975-05-20 | 1976-12-08 | Riepe Waldemar | Fluid pumps |
JPS61154470A (ja) * | 1984-12-07 | 1986-07-14 | Secoh Giken Inc | 弾性体薄片を振動せしめる装置 |
JPH0529800B2 (ja) * | 1985-12-04 | 1993-05-06 | Fukushin Kogyo Kk | |
GB2210414A (en) * | 1987-10-01 | 1989-06-07 | Emi Plc Thorn | A pumping device |
JPH0183200U (ja) * | 1987-11-25 | 1989-06-02 | ||
JP2000320443A (ja) * | 1999-01-12 | 2000-11-21 | Sozoan:Kk | 運動変換装置 |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7364409B2 (en) | 2004-02-11 | 2008-04-29 | Haldex Hydraulics Corporation | Piston assembly for rotary hydraulic machines |
US7380490B2 (en) | 2004-02-11 | 2008-06-03 | Haldex Hydraulics Corporation | Housing for rotary hydraulic machines |
US7402027B2 (en) | 2004-02-11 | 2008-07-22 | Haldex Hydraulics Corporation | Rotating group of a hydraulic machine |
US7992484B2 (en) | 2004-02-11 | 2011-08-09 | Haldex Hydraulics Corporation | Rotary hydraulic machine and controls |
US9115770B2 (en) | 2004-02-11 | 2015-08-25 | Concentric Rockford Inc. | Rotary hydraulic machine and controls |
US7856817B2 (en) | 2004-12-01 | 2010-12-28 | Haldex Hydraulics Corporation | Hydraulic drive system |
US8196397B2 (en) | 2004-12-01 | 2012-06-12 | Concentric Rockford, Inc. | Hydraulic drive system |
US8596055B2 (en) | 2004-12-01 | 2013-12-03 | Concentric Rockford Inc. | Hydraulic drive system |
WO2009044453A1 (ja) * | 2007-10-02 | 2009-04-09 | Nippo Ltd. | ポンプおよびそのポンプを使用した冷却システム |
CN103423174A (zh) * | 2012-05-15 | 2013-12-04 | 台达电子工业股份有限公司 | 振动风扇 |
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