CN106246497A - A kind of miniature silent pump and method of work thereof - Google Patents
A kind of miniature silent pump and method of work thereof Download PDFInfo
- Publication number
- CN106246497A CN106246497A CN201610892576.2A CN201610892576A CN106246497A CN 106246497 A CN106246497 A CN 106246497A CN 201610892576 A CN201610892576 A CN 201610892576A CN 106246497 A CN106246497 A CN 106246497A
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- China
- Prior art keywords
- wire frame
- type magnet
- connecting rod
- coil
- piston
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
- F04B17/04—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors using solenoids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
-
- 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
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Reciprocating Pumps (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The present invention provides a kind of miniature silent pump and method of work thereof, and silent pump includes rectangular wire frame, connecting rod and the piston pump that base, O type Magnet, non-magnet_conductible material are made；O type Magnet is fixed on base；Described O type Magnet is closely packed together by the same pole of two blocks of identical U-shaped Magnet and forms in O shape；Rectangular wire frame while through O type Magnet；One end of described connecting rod is connected with the midpoint of the opposite side on rectangular wire frame one side, and the other end of described connecting rod is connected through a guide rail with the piston of described piston pump；Described guide rail is fixedly installed on base by a support；Being wound with N circle rectangle hollow coil in rectangular wire frame, N is positive integer；The two ends of coil are connected with two outfans of a sine ac power supply respectively；Sine ac power supply is, whereinFor angular frequency,,,For the frequency of sinusoidal ac,For voltage max,For initial phase.The present invention can accomplish real quiet, and simple in construction.
Description
Technical field
The invention belongs to fluid media (medium) transportation art, be specifically related to a kind of miniature silent pump and method of work thereof.
Background technology
In prior art, there are the more pump for conveyance fluid medium, such as piston pump, centrifugal pump and membrane pump etc..
Piston pump is by piston reciprocating motion in cylinder body, coordinates check valve to realize fluid media (medium) conveying.Centrifugal pump is by height
The centrifugal force that the pump leaf that rotating speed rotates produces realizes fluid media (medium) conveying.Membrane pump is similar with piston pump, is dependent on mechanical force and makes
Barrier film changes volume, coordinates check valve to realize fluid media (medium) conveying.
Needing the most noiseless conveyance fluid in some occasion, this equipment is referred to as silent pump.Silent pump on the market,
Its noise specification can be less than 40dB, but if remains to be heard in the environment of extremely peace and quiet.
Summary of the invention
It is an object of the invention to provide a kind of miniature silent pump and method of work thereof, the noise specification during work of this silent pump
Below 20dB can be reduced to, be really achieved muting function.
For achieving the above object, the present invention is by the following technical solutions: a kind of miniature silent pump, it is characterised in that: include
Rectangular wire frame, connecting rod and the piston pump that base, O type Magnet, non-magnet_conductible material are made；O type Magnet is fixed on base；Described O
Type Magnet is closely packed together by the same pole of two blocks of identical U-shaped Magnet and forms in O shape；Rectangular wire frame while through O type
Magnet；One end of described connecting rod is connected with the midpoint of the opposite side on rectangular wire frame one side, and the other end of described connecting rod passes a guide rail
It is connected with the piston of described piston pump；Described guide rail is fixedly installed on base by a support；N circle square it is wound with in rectangular wire frame
Shape air core coil, N is positive integer；The two ends of coil are connected with two outfans of a sine ac power supply respectively；Simple alternating current
Power supply is u=Um*sin(ωt+α0), wherein ω is angular frequency, and ω=2 π f, f < 20Hz, f are the frequency of sinusoidal ac, UmFor
Voltage max, α0For initial phase.
Further, the extended line of the axial line of described connecting rod falls in the center cross-sectional of rectangular wire frame.
Further, described connecting rod is vertical with piston, and described connecting rod is vertical with the opposite side of rectangular wire frame.
Further, described guide rail or connecting rod are provided with a key portion, described connecting rod or guide rail offer one with described key portion
The groove of coupling.
Further, two bottom surfaces of the cylinder body of described piston pump have been sticked cushion film.
Further, it is provided with a switch between described coil one end and sine ac power supply.
Further, described O type Magnet is vertically arranged on base；Described rectangular wire frame while horizontal through described O type
Magnet.
The present invention also provides for a kind of method of work based on above-mentioned miniature silent pump, it is characterised in that: the two ends of coil with just
After string alternating current is connected, coil midstream overcurrent i, ignore the inductance of air core coil then
R is coil resistance,Through O type Magnet coil while driving wire frame, connecting rod by producing an Ampere force F
And piston, wherein Ampere force F=iBL sin θ, B is magnetic field intensity, and L sin θ is the conductor effective length through magnetic field, L sin
θ is fixed value；Therefore Ampere force F and iB positive correlation, Ampere force F change procedure: i is in sinusoidal rule change, electric current i during positive half cycle
The most from big to small, direction intensity B from left to right is pressed the most from big to small in the magnetic field in O type Magnet, because of
This Ampere force is also the most from big to small；During negative half period, Ampere force F direction is contrary with positive half cycle, and electric current i is from small to large
The most from big to small, direction intensity B from right to left is pressed the most from big to small in the magnetic field in O type Magnet, therefore Ampere force
Also it is the most from big to small；Piston movement direction along with electric current i direction change, therefore piston back-and-forth movement frequency with
Electric current i frequency f is identical.
Further, through the direction being perpendicular to the magnetic field that O type Magnet produces of the coil of O type Magnet, therefore sin
θ=1, L sin θ=L=Nl, wherein l is single-turn circular coil length in O type magnetic field of magnets.
Compared with prior art, the silent pump of the present invention can be really achieved muting function: the piston back-and-forth movement of silent pump
Frequency is consistent with the frequency of sine ac power supply, less than 20HZ, so the vibration noise produced is felt not also below 20HZ, human ear
Arrive；Piston speed of back and forth movement in cylinder body is changed by slow-to-fast-slow rule, and has only to change according to load hand over
The size of the voltage of stream power supply just can control the maximal rate of piston movement, thus without producing knock；The two of cylinder body simultaneously
Individual bottom surface has been sticked cushion, further mitigates the percussion of two bottom surfaces of Pistons's cylinder body.
Accompanying drawing explanation
Fig. 1 is the primary structure schematic diagram of the present invention.
Fig. 2 is the oscillogram of the alternating current power supply of the present invention.
Fig. 3 is the schematic diagram of one embodiment of the invention connecting rod and the connection of guide rail.
Fig. 4 is the schematic diagram that alternating current power supply is added on coil.
Detailed description of the invention
With specific embodiment, the present invention is further explained explanation below in conjunction with the accompanying drawings.
Seeing Fig. 1, the present invention provides a kind of miniature silent pump, and it includes that base 6, O type Magnet 4, non-magnet_conductible material are made
Rectangular wire frame 1, connecting rod 3 and piston pump 11；O type Magnet is fixed on base 6；Described O type Magnet is by two blocks of identical U-shaped magnetic
The same pole of ferrum 4-1,4-2 is closely packed together and forms in O shape；Rectangular wire frame 1 is while passing O type Magnet 4；Described connecting rod 3
One end is connected with the midpoint of the opposite side on rectangular wire frame 1 one side, and the other end of described connecting rod 3 is through a guide rail 8 and described piston pump
Piston 7 connect；Described guide rail 8 is fixedly installed on base 6 by a support 10；N circle rectangle hollow it is wound with in rectangular wire frame 1
Coil, N is positive integer；Two ends 2-1,2-2 of coil respectively with two outfans of a sine ac power supply (being not drawn in figure)
Connect；Sine ac power supply is u=Um*sin(ωt+α0), wherein ω is angular frequency, and ω=2 π f, f < 20Hz, f are simple alternating current
The frequency of electricity, UmFor voltage max, α0For initial phase.The output waveform of sine ac power supply sees Fig. 2.Human ear can distinguish
The low-limit frequency of sound be 20Hz.
Piston pump 7 is fixed on base 6 by support 12, produces vibration when preventing piston pump from working.
In an embodiment of the present invention, the extended line of the axial line of described connecting rod falls in the center cross-sectional of rectangular wire frame
On, described connecting rod is vertical with piston, and connecting rod is vertical with the opposite side of rectangular wire frame.The extended line of the axial line of connecting rod falls
In the center cross-sectional of rectangular wire frame and vertical with piston 7, it is provided to make Ampere force can act on piston 7 to greatest extent.
Described guide rail or connecting rod are provided with a key portion, and described connecting rod or guide rail offer a groove mated with described key portion.
One embodiment of the invention connecting rod and guide rail schematic diagram see Fig. 2, and wherein key portion 9-1 is arranged on guide rail, connecting rod offers with
The groove 9-2 of described key portion 9-1 coupling.So arrange and connecting rod can be made can only to axially move in guide rail, and can not do around axle
Heart line rotates.
In an embodiment of the present invention, the face, two bottom surfaces of the cylinder body of described piston pump has been sticked cushion film 13-1,13-2.
Cushion film can prevent piston knock cylinder body bottom surface from sending sound.
In an embodiment of the present invention, a switch K it is provided with between described coil one end and sine ac power supply.Specifically show
It is intended to see Fig. 4.
In an embodiment of the present invention, described O type Magnet is vertically arranged on base, the level of described rectangular wire frame
Through described O type Magnet.
The method of work of above-mentioned miniature silent pump is: after the two ends of coil electrically connect with simple alternating current, coil midstream mistake
Electric current i, ignores the inductance of air core coil thenR is coil resistance,Through O type Magnet coil while driving wire frame, connecting rod and piston, Qi Zhongan by producing an Ampere force F
Training power F=iBL sin θ, B is magnetic field intensity, and L sin θ is the conductor effective length through magnetic field, and L sin θ is fixed value；Cause
This Ampere force F and iB positive correlation, Ampere force F change procedure: i in sinusoidal rule change, during positive half cycle electric current i the most again from
Big to little, by direction intensity B from left to right the most from big to small, therefore Ampere force is also the magnetic field in O type Magnet
The most from big to small；During negative half period, Ampere force F direction is contrary with positive half cycle, electric current i the most from big to small, O
By direction intensity B from right to left the most from big to small, therefore Ampere force is also from small to large in magnetic field in type Magnet
The most from big to small；Piston movement direction changes along with the direction of electric current i, therefore piston back-and-forth movement frequency and electric current i frequency f phase
With.
In an embodiment of the present invention, through O type Magnet coil be perpendicular to the side in magnetic field that O type Magnet produces
To, therefore sin θ=1, L sin θ=L=Nl, wherein l is single-turn circular coil length in O type magnetic field of magnets.
In the present invention one specific embodiment, simple alternating current, after switch K electrically connects with simple alternating current, is worked as in the two ends of coil
After one incomplete waveform of electricity, and through limited all after date；Alternating current enters positive half period: electric current flows to b from a, according to
Left hand rule understands, and to the left, Ampere force drives wire frame 1, connecting rod 3 and piston 7 to become to left movement, piston pump cylinder body volume to Ampere force
Greatly, fluid 16 enters the stand in channel 14 of piston pump under atmospheric pressure, for preventing fluid countercurrent current, stand in channel 14 is provided with
Check valve 15；Electric current i is first big from little change, and wire frame is to left movement, and magnetic field intensity is also big from little change, and therefore Ampere force F is also from little change
Greatly, thus wire frame slowly accelerates, thus drivening rod, piston slowly accelerate；Electric current i is again from diminishing greatly, and wire frame continues to transport to the left
Dynamic, magnetic field intensity is also from diminishing greatly, and therefore Ampere force F is also from diminishing greatly, thus wire frame slowly slows down, thus drivening rod, work
Plug slowly slows down；Enter negative half-cycle: electric current flows to a from b, according to left hand rule, Ampere force to the right, Ampere force band moving-wire
Frame 1, connecting rod 3 and piston 7 move right, and piston pump cylinder body volume diminishes, and fluid is extruded out passage 17 by piston pump, for anti-fluid stopping
Body adverse current, goes out and is provided with check valve 18 on passage 17；Electric current i is first big from little change, and wire frame moves right, and magnetic field intensity is also from little change
Greatly, therefore Ampere force F is also big from little change, thus wire frame slowly accelerates, thus drivening rod, piston slowly accelerate；Electric current i again from
Diminishing greatly, wire frame continues to move right, and magnetic field intensity is also from diminishing greatly, and therefore Ampere force F is also from diminishing greatly, thus wire frame is slow
Slow down, thus drivening rod, piston slowly slow down.Piston movement direction changes along with electric current i direction, therefore piston back-and-forth movement
Frequency is identical with electric current i frequency f.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, basic without departing from the present invention
The some equivalents done on the premise of design substitute and modification, should be included within the scope of the present invention.
Claims (9)
1. a miniature silent pump, it is characterised in that: include rectangular wire frame, company that base, O type Magnet, non-magnet_conductible material make
Bar and piston pump；
O type Magnet is fixed on base；Described O type Magnet is closely packed together in O by the same pole of two blocks of identical U-shaped Magnet
Shape forms；Rectangular wire frame while through O type Magnet；The midpoint of one end of described connecting rod and rectangular wire frame opposite side on one side is even
Connecing, the other end of described connecting rod is connected through a guide rail with the piston of described piston pump；Described guide rail is by the fixing peace of a support
It is loaded on base；Being wound with N circle rectangle hollow coil in rectangular wire frame, N is positive integer；The two ends of coil respectively with a simple alternating current
Two outfans of power supply connect；Sine ac power supply is u=Um*sin(ωt+α0), wherein ω is angular frequency, ω=2 π f, f <
20Hz, f are the frequency of sinusoidal ac, UmFor voltage max, α0For initial phase.
Miniature silent pump the most according to claim 1, it is characterised in that: the extended line of the axial line of described connecting rod falls at square
In the center cross-sectional of shape wire frame.
Miniature silent pump the most according to claim 2, it is characterised in that: described connecting rod is vertical with piston, described connecting rod with
Rectangular wire frame opposite side on one side is vertical.
Miniature silent pump the most according to claim 1, it is characterised in that: described guide rail or connecting rod are provided with a key portion, institute
State connecting rod or guide rail offers a groove mated with described key portion.
Miniature silent pump the most according to claim 1, it is characterised in that: two bottom surfaces of the cylinder body of described piston pump are sticked
There is cushion film.
Miniature silent pump the most according to claim 1, it is characterised in that: between described coil one end and sine ac power supply
It is provided with a switch.
Miniature silent pump the most according to claim 1, it is characterised in that: described O type Magnet is vertically arranged on base；Described
Rectangular wire frame while horizontal through described O type Magnet.
8. a method of work based on the miniature silent pump described in claim 1, it is characterised in that: the two ends of coil are handed over sinusoidal
After stream electrically connects, coil midstream overcurrent i, ignore the inductance of air core coil then
R is coil resistance,Through O type Magnet coil while driving wire frame, connecting rod by producing an Ampere force F
And piston, wherein Ampere force F=iBLsin θ, B are magnetic field intensity, and Lsin θ is the conductor effective length through magnetic field, and Lsin θ is
Fixed value；Therefore Ampere force F and iB positive correlation, Ampere force F change procedure: i in sinusoidal rule change, during positive half cycle electric current i from
Little to the most from big to small, direction intensity B from left to right is pressed the most from big to small in the magnetic field in O type Magnet, therefore
Ampere force is also the most from big to small；During negative half period, Ampere force F direction is contrary with positive half cycle, and electric current i is the most again
From big to small, direction intensity B from right to left is pressed the most from big to small in the magnetic field in O type Magnet, and therefore Ampere force is also
It is the most from big to small；Piston movement direction changes along with the direction of electric current i, therefore piston back-and-forth movement frequency and electricity
Stream i frequency f is identical.
The method of work of miniature silent pump the most according to claim 8, it is characterised in that: through the coil of O type Magnet
While being perpendicular to the direction in the magnetic field that O type Magnet produces, therefore sin θ=1, Lsin θ=L=Nl, wherein l is single-turn circular coil one
While the length in O type magnetic field of magnets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610892576.2A CN106246497B (en) | 2016-10-13 | 2016-10-13 | A kind of miniature silent pump and its working method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610892576.2A CN106246497B (en) | 2016-10-13 | 2016-10-13 | A kind of miniature silent pump and its working method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106246497A true CN106246497A (en) | 2016-12-21 |
| CN106246497B CN106246497B (en) | 2018-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610892576.2A Active CN106246497B (en) | 2016-10-13 | 2016-10-13 | A kind of miniature silent pump and its working method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109516336A (en) * | 2018-12-29 | 2019-03-26 | 刘英辉 | The control method of linear drive apparatus, safety tongs device and elevator device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4808955A (en) * | 1987-10-05 | 1989-02-28 | Bei Electronics, Inc. | Moving coil linear actuator with interleaved magnetic circuits |
| CN1199273A (en) * | 1997-05-13 | 1998-11-18 | 张吉林 | Reciprocating magnetic power generator-electric motor |
| CN2661971Y (en) * | 2003-12-05 | 2004-12-08 | 郑刚 | Water pump driven by electromagnetic vibration |
| CN102931801A (en) * | 2012-10-31 | 2013-02-13 | 西安交通大学 | Large-displacement magnetic actuator utilizing electromagnetic force to carry out position control |
| CN204458240U (en) * | 2015-01-30 | 2015-07-08 | 徐俏 | A kind of electromagnetic drive type piston pump |
-
2016
- 2016-10-13 CN CN201610892576.2A patent/CN106246497B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4808955A (en) * | 1987-10-05 | 1989-02-28 | Bei Electronics, Inc. | Moving coil linear actuator with interleaved magnetic circuits |
| CN1199273A (en) * | 1997-05-13 | 1998-11-18 | 张吉林 | Reciprocating magnetic power generator-electric motor |
| CN2661971Y (en) * | 2003-12-05 | 2004-12-08 | 郑刚 | Water pump driven by electromagnetic vibration |
| CN102931801A (en) * | 2012-10-31 | 2013-02-13 | 西安交通大学 | Large-displacement magnetic actuator utilizing electromagnetic force to carry out position control |
| CN204458240U (en) * | 2015-01-30 | 2015-07-08 | 徐俏 | A kind of electromagnetic drive type piston pump |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109516336A (en) * | 2018-12-29 | 2019-03-26 | 刘英辉 | The control method of linear drive apparatus, safety tongs device and elevator device |
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| Publication number | Publication date |
|---|---|
| CN106246497B (en) | 2018-12-21 |
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Address after: 353409 No. 68, Houcun, Xianyang Village, Xianyang Town, Pucheng County, Nanping City, Fujian Province Applicant after: Zheng Binjie Address before: 350015 Unit 1402, Building 6, Port Bay Six District, Mingcheng City, North Side of Mawei Town Comprehensive Stadium, Fuzhou City, Fujian Province Applicant before: Zheng Binjie |
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