CN101592143A - Thin electromagnetic actuator and pump thereof - Google Patents
Thin electromagnetic actuator and pump thereof Download PDFInfo
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- CN101592143A CN101592143A CNA2008101110249A CN200810111024A CN101592143A CN 101592143 A CN101592143 A CN 101592143A CN A2008101110249 A CNA2008101110249 A CN A2008101110249A CN 200810111024 A CN200810111024 A CN 200810111024A CN 101592143 A CN101592143 A CN 101592143A
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Abstract
The invention discloses a kind of thin electromagnetic actuator, it has permanent-magnetic piston, and in the periphery of this piston one electromagnetism rolling part is set.This electromagnetism rolling part possesses permeability magnetic material, produces first active force of inhaling mutually with this permanent-magnetic piston.This rolling part can make this rolling part can produce one second active force by energising to have on the permanent-magnetic piston in this.It can produce one the 3rd active force one thrust generating unit, with the direction opposite with first active force, is added in a side of this piston in advance, makes piston depart from central position in this electromagnetism rolling part.The direction that can control second active force by the current direction variation of this rolling part makes this piston produce reciprocating type linear displacement, returns back to the central position of this electromagnetism rolling part, or departs from this central position.In another embodiment, the present invention more provides a thin electromagnetic actuated pump, and it utilizes moving of piston in this electromagnetic actuating device to produce negative pressure and malleation to draw and to push fluid.
Description
Technical field
The present invention is relevant a kind of linear electromagnetic actuation technology, refers in particular to a kind of linear electromagnetic effect of utilizing and promotes piston generation variation in pressure so that fluid produces a kind of thin electromagnetic actuator and the pump thereof that flows.
Background technique
Pump can provide malleation or negative pressure on fluid, makes fluid produce circuit power, is therefore playing the part of considerable role in the field of modern industry and technological applications.
Generally speaking, the kind of pump is a lot, and these two kinds of revolving pump and linear reciprocating pumps are arranged haply.The pump of linear reciprocating mainly is to utilize motor to add that crank mechanism survives the transformation of energy of rotation to fill in capable straight line type toward the needed kinetic energy of negative motion.The effect that produces negative pressure and malleation when piston convection cell when moving up and down makes the fluid generation flow.But aforesaid reciprocating pump is because number of spare parts is quite various, so cost is higher, and volume is also quite huge.Add, because the problem of mechanical wear allows parts life-span reduce easily and then increases burden on the cost.
In recent years, for quantity that reduces mechanical assembly and the problem that reduces mechanism's abrasion, the pump of linear electromagnetic formula control is also shown up prominently gradually, occupies a tiny space on the pump application.In the prior art, the linear electromagnetic pump mainly is on the magnetic conductive iron that magnetomechanical effects acts on piston links to each other of utilizing electromagnetism to produce, and makes piston produce periodic straight line motion and then convection cell and produces active force fluid is flowed.For example Fig. 1 shows, this figure is a U.S. Pat 5,340,288 disclosed a kind of linear electromagnetic pumps 1, and it mainly is provided with armature 11 on piston 10, in addition and at these armature 11 opposite sides one iron core 12 is set.Have a plurality of magnetic poles on this iron core 12 with coil 13.
By forming magnetic field at this iron core 12 and 11 at armature to 13 energisings of this coil, the elastic force that makes armature 11 overcome elastomer 14 moves toward 12 directions unshakable in one's determination, and then drives piston 10 and move and make chamber 15 spaces become big.On the other hand, when coil 13 outages, then this magnetic field disappears, so the elastic restoring force that compressed elastomer 14 is produced can force armature 11 to be moved to the left.Whether control piston 10 carries out shuttle displacement movement by the energising to coil 13.Suchlike pump design is quite a lot of, for example U.S. Pat 4,743,179 and the disclosed linear electromagnetic pump design of US 2006/0216170, also be to promote the piston that armature moves and then drive is connected with armature and move the effect that produces pump by producing magnetic force behind the coil electricity.Aforesaid linear electromagnetic pump is not owing to adopt the plunger designs of magneto, or do not possess closed magnet circuit to produce big magnetic thrust, and power to volume ratio is lower, therefore can't provide big pressure to come propelling fluid.These designs simultaneously are because the member complexity can't reach thin less size in design.
Summary of the invention
The invention provides a kind of thin electromagnetic actuator, its utilization has magnetic with piston, and in the periphery of this piston the rolling part that possesses magnetic conductivity is set.The active force of controlling this rolling part and this piston space with current direction makes this piston produce linear displacement motion by whether switching on, utilize the power source of brushless, permanently, with the number of effective minimizing part and the problem that reduces the reducing gear abrasion, realize extra-thin break design simultaneously.
The invention provides a kind of thin electromagnetic actuated pump, its utilization has magnetic with piston, and in the periphery of this piston the rolling part that possesses magnetic conductivity is set.Make this piston produce linear displacement motion by the active force of controlling this rolling part and this piston space with current direction of whether switching on, and then the effect that produces malleation and negative pressure acts on the fluid, it is mobile that fluid is produced.This thin electromagnetic actuated pump can improve usefulness, increases specific power, reduce pump volume weight.
The invention provides a kind of thin electromagnetic actuated pump, it makes this piston produce linear displacement motion by the active force of controlling this rolling part and this piston space with current direction of whether switching on, and then the effect that produces malleation and negative pressure acts on the fluid, fluid is flowed into by an end of this pump, and flow out to improve the pump efficiency energy, increase specific power, to reduce pump volume weight from the other end of pump.
In one embodiment, the invention provides a kind of thin electromagnetic actuator, comprising: a housing has a cylinder in it; One piston portion, it has a permanent-magnetic field and is arranged in this cylinder to carry out displacement movement in this cylinder; One has the electromagnetism rolling part of paramagnetic substance, it is arranged at the periphery of this cylinder, produce first active force that attracts each other between this tool permanent-magnetic piston portion and the paramagnetic electromagnetism of this tool rolling part, this electromagnetism rolling part can provide one second active force on this piston portion, this piston portion is produced move back and forth; One thrust generating unit, it is arranged on this inner walls and is corresponding with a side of this piston portion, and this thrust generating unit can produce the 3rd reverse active force of one and first active force on this piston portion.
In another embodiment, the invention provides a kind of thin electromagnetic actuated pump, comprising: a housing has a cylinder in it; One piston portion, it has a permanent-magnetic field and is arranged in this cylinder to carry out displacement movement in this cylinder; One has the electromagnetism rolling part of paramagnetic substance, it is arranged at the periphery of this cylinder, produce first active force that attracts each other between this tool permanent-magnetic piston portion and the paramagnetic electromagnetism of this tool rolling part, this electromagnetism rolling part can provide one second active force on this piston portion, this piston portion is produced move back and forth; One thrust generating unit, it is arranged on this inner walls and is corresponding with a side of this piston portion, and this thrust generating unit can produce the 3rd reverse active force of one and first active force on this piston portion; And a cavity, have a fluid space that is connected with this cylinder in it, have more a pair of through hole in this cavity and be connected with this fluid space.
The present invention more provides a kind of thin electromagnetic actuated pump, comprising: a housing, have a cylinder in it, and an end of this housing offers one first through hole; One piston portion, it has a permanent-magnetic field and is arranged in this cylinder to carry out displacement movement in this cylinder, has more one second through hole in this piston portion; One electromagnetism rolling part, it is arranged at the peripheral of this cylinder and has suitable magnetic conductivity, generation one first active force that attracts each other and this electromagnetism rolling part can provide one second active force on this piston portion between this electromagnetism rolling part and this piston portion, this piston portion is produced to move back and forth, this electromagnetism rolling part has more: a magnetic guiding loop, it has a breach and a containing space respectively, and the inside of this magnetic guiding loop can provide ccontaining this cylinder; And a coil case, it is placed in respectively in the containing space of this magnetic guiding loop, and this coil case can produce this second active force by electrical signals; One thrust generating unit, it is arranged on this inner walls and is corresponding with this piston portion, and this thrust generating unit can produce one the 3rd active force on this piston portion; One first one-way valve, it is arranged at this hull outside to be connected with this first through hole; And one second one-way valve, it is arranged between this piston portion and this thrust generating unit and with this second through hole and is connected.
Description of drawings
Fig. 1 is a U.S. Pat 5,340,288 disclosed a kind of electromagnetic pump generalized sections;
Fig. 2 A is a thin electromagnetic actuator generalized section of the present invention;
Fig. 2 B is respectively thin electromagnetic actuator perspective exploded view of the present invention;
Fig. 2 C is respectively another slim embodiment's generalized section of thin electromagnetic actuator of the present invention;
Fig. 3 is the magnetic guiding loop generalized section;
Fig. 4 is thin electromagnetic actuator second embodiment's generalized section of the present invention;
Fig. 5 A to Fig. 5 C is thin electromagnetic actuator first embodiment's motion flow schematic representation of the present invention;
Fig. 6 is the Ac schematic representation;
Fig. 7 A to Fig. 7 C is thin electromagnetic actuator second embodiment's motion flow schematic representation of the present invention;
Fig. 8 A to Fig. 8 B is thin electromagnetic actuator the 3rd example structure of the present invention and action generalized section;
Fig. 9 is thin electromagnetic actuated pump first embodiment's generalized section of the present invention;
Figure 10 is a thin electromagnetic actuated pump washing unit embodiment's of the present invention schematic representation;
Figure 11 A to Figure 11 B is thin electromagnetic actuated pump second embodiment's section of the present invention and motion flow schematic representation;
Figure 12 A and Figure 12 B are that thin electromagnetic actuated pump the 3rd embodiment of the present invention moves generalized section;
Figure 13 A and Figure 13 B are that thin electromagnetic actuated pump the 4th embodiment of the present invention moves generalized section.
Wherein reference character is:
The 1-electromagnetic pump
The 10-piston
The 11-armature
The 12-iron core
The 13-coil
The 14-elastomer
The 15-chamber
The 2-thin electromagnetic actuator
The 20-housing
The 201-containing space
The 202-cylinder
The 203-protuberance
The 21-piston portion
210,211-is along the magnetic conduction lid
The 212-magnetic
22-thrust generating unit
23-electromagnetism rolling part
The 230-magnetic guiding loop
The 2301-breach
The 2302-containing space
The 2303-through hole
2304,2305-annular groove
2306-first end face
2307-second end face
The 2308-recess
The 231-coil case
The 24-elastomer
The 25-flexible cavity
The 250-protuberance
The 251-chamber
252,253-through hole
254,255-one-way valve
26,27-runner
3-thin electromagnetic actuated pump
The 30-housing
The 31-piston portion
32-thrust generating unit
33-electromagnetism rolling part
The 34-cavity
The 340-upper cover body
The 341-lower cover
The 342-chamber
343,344-through hole
345,346-one-way valve
347,348-runner
The 35-pressure transducer
The 36-runner
The 37-cleaning tank
370-first space
371-second space
The 38-controller
4-thin electromagnetic actuated pump
The 40-housing
The 400-cylinder
401-first through hole
The 41-piston portion
410-second through hole
The 411-end
42-thrust generating unit
The 420-third through-hole
43-electromagnetism rolling part 43
44-first one-way valve
45-second one-way valve
90,91-electromagnetic force
95,96-fluid
The 92-detergent remover
The 93-waste liquid
Embodiment
Be further cognition and understanding feature of the present invention, purpose and function, hereinafter the spy describes the relevant thin bilge construction of device of the present invention and the theory reason of design, and detailed description is presented below
See also shown in Fig. 2 A and Fig. 2 B, this figure is respectively thin electromagnetic actuator section of the present invention and perspective exploded view.This thin electromagnetic actuator 2 includes a housing 20, a piston portion 21, a thrust generating unit 22 and an electromagnetism rolling part 23.These housing 20 inside have a containing space 201 so that ccontaining this piston portion 21, thrust generating unit 22 and this electromagnetism rolling part 23 to be provided.Have more a cylinder 202 in this containing space 201, so that ccontaining this piston portion 21 to be provided.This piston portion 21 has a permanent-magnetic field and can carry out displacement movement in this cylinder 202.In the present embodiment, this piston portion 21 has more a pair of suitable magnetic conduction lid 210 and 211 and one magnetic 212 with suitable magnetic conductivity (paramagnetic).This magnetic 212 be arranged at this to along between the magnetic conduction lid 210 and 211 so that this permanent-magnetic field to be provided.In the present embodiment, this magnetic 212 is a permanent magnet, and its magnetic to a end that should housing is the N utmost point, and the opposite side of this magnetic is the S utmost point.
In the present embodiment, this electromagnetism rolling part 23 has more a magnetic guiding loop 230 and a coil case 231.As shown in Figure 3, this figure is the magnetic guiding loop generalized section.This magnetic guiding loop 230, it has a breach 2301 and a containing space 2302 respectively, and these magnetic guiding loop 230 center regions have a through hole 2303 so that ccontaining cylinder 202 to be provided.This magnetic guiding loop 230 of this electromagnetism rolling part 23 produces one first active force (it is a magnetic force of inhaling mutually) with 212 of this magnetics of this piston portion 21.This electromagnetism rolling part 23, it is arranged at the periphery of this cylinder 202, to provide one second active force (that is electromagnetic force) on this piston portion 21, this piston portion 21 is moved.This thrust generating unit 22 is arranged on these housing 20 inwalls and is corresponding with these piston portion 21 1 sides.This thrust generating unit 22 is a magnetic element in the present embodiment, and it can provide and this magnetic 212 rightabout magnetic fields, makes 21 of this thrust generating unit 22 and this piston portions produce one the 3rd active force (it is the magnetic force that repels each other) on this piston portion 21.Make two resultant directions of exerting oneself by changing aforementioned the 3rd active force and this first active force and this, and then make the to-and-fro motion in this cylinder of this piston portion.
Return shown in Fig. 2 A and Fig. 2 B, this coil case 231, it is placed in the containing space of this magnetic guiding loop 230, and this coil case 231 can produce this second active force by electrical signals.For the convenience on making, in the present embodiment, this magnetic guiding loop 230 splices institute up and down by a pair of annular groove 2304 and 2305 and constitutes, each annular groove 2304 and 2305 has one first end face 2306 and one second end face 2307, the height of this first end face 2306 is greater than this second end face 2307, this first end face 2306 to annular groove 2304 and 2305 interconnects, and makes this corresponding to mutually to form the containing space 2302 as Fig. 3 to the recess in the annular groove 2304 and 2,305 2308.Fig. 2 C is present embodiment one design, to reach ultra-thin external dimension.
See also shown in Figure 4ly, this figure is thin electromagnetic actuator second embodiment's generalized section of the present invention.In the present embodiment, the structure of this thin electromagnetic actuator 2 is identical with first embodiment basically, difference be that this thrust generating unit is an elastomer 24, in the present embodiment, it is a spring.One end and this housing 20 of this elastomer 24 lean, and the other end of this elastomer 24 is connected with this piston portion 21.This elastomer 24 can produce one the 3rd active force (its for elastic restoring force) on this piston portion 21 when this piston portion moves.
Next thin electromagnetic actuator function mode of the present invention is described, sees also shown in Fig. 5 A to Fig. 5 C that this figure is thin electromagnetic actuator first embodiment's motion flow schematic representation of the present invention.In Fig. 5 A, when this coil case 231 is not switched on as yet,, be the N utmost point at present embodiment because this thrust generating unit 22 and this piston portion 21 corresponding sides have identical polarity.Therefore this piston portion 21 and 22 of this thrust generating units can produce a repulsion, the central position that makes this piston portion 21 depart from this coil case 231.When this coil case 231 feeds an Ac, as shown in Figure 6 because Ac is made of forward voltage and negative voltage, therefore when alternating current phases be when bearing, this electromagnetism rolling part 23 can produce a reverse electromagnetic force 90 piston portion 21 is released fully, to form the state as Fig. 5 B.
Otherwise when alternating current phases is timing, this electromagnetism rolling part 23 can produce the repulsion that a forward electromagnetic force 91 overcomes this piston portion 21 and 22 of this thrust generating units, and with piston portion 21 intact suctions, with the state of formation as Fig. 5 C.So the repeated forward current potential replaces mutually with the negative sense current potential, and the repulsion of electromagnetic force that electromagnetism rolling part 23 is produced and 22 generations of this thrust generating unit is formed then can to make the to-and-fro motion in this cylinder 202 of this piston portion 21 with joint efforts.The reason that this piston portion 21 forms as the state of Fig. 5 B and Fig. 5 C is to have breach 2301 on this magnetic guiding loop 230, when these coil case 231 energisings, can make magnetic field produce the discontinuous phenomenon in magnetic field in these breach 2301 places.And this piston portion 21 has the magnetic field of a specific direction, therefore when the magnetic direction that is produced when this coil case 231 is consistent with the magnetic direction of this piston portion 21, then this piston portion 21 can be pushed out to the state of Fig. 5 B, otherwise then this piston portion 21 be pushed into the state of Fig. 5 C.
Next thin electromagnetic actuator second embodiment's function mode of the present invention is described, sees also shown in Fig. 7 A to Fig. 7 C that this figure is thin electromagnetic actuator second embodiment's motion flow schematic representation of the present invention.In Fig. 7 A, when this coil case 231 is not switched on as yet,, therefore have an initial length because this thrust generating unit is an elastomer 24, make the central position that this piston portion 21 departs from this coil case 231.When Ac that this coil case 231 feeds as shown in Figure 6, because Ac is made of forward voltage and negative voltage, therefore when alternating current phases when negative, this electromagnetism rolling part 23 can produce a reverse electromagnetic force 90 piston portion is released fully, with the state of formation as Fig. 7 B.At this moment, this elastomer 24 can be stretched, and makes this elastomer 24 accumulate a tensile elasticity restoring force.Otherwise when alternating current phases is timing, this electromagnetism rolling part 23 can produce a forward electromagnetic force 91 and this tensile elasticity restoring force piston portion 21 is pushed into state as Fig. 7 C, and this moment, elastomer 24 can be accumulated a pressure elasticity restoring force.When repeated forward current potential and negative sense current potential replace mutually, the elastic restoring force that the electromagnetic force that electromagnetism rolling part 23 is produced and this elastomer 24 produce is formed can to make the to-and-fro motion in this cylinder 202 of this piston portion 21 with joint efforts.
Shown in Fig. 8 A to Fig. 8 B, this figure is thin electromagnetic actuator the 3rd example structure of the present invention and action generalized section.In the present embodiment, structure basically is identical with first or second embodiment, difference be to be that this thrust generating unit is made of a flexible cavity 25.This flexible cavity 25 is arranged on a side of housing 20, has a protuberance 250 on it.This protuberance 250 is placed in the cylinder 202 and leans with a side of piston portion 21.This flexible cavity 25 is by flexible material, for example basically: rubber etc. constitute.Have an airtight chamber 251 in this flexible cavity 25, tool is filled with gas in it.Shown in Fig. 8 A and Fig. 8 B, the operation principles of this piston portion basically as previously mentioned, when alternating current phases is timing, this electromagnetism rolling part 23 can produce a forward electromagnetic force push piston portion 21 to flexible cavity 25.Because gas has compressibility, so this elastic cavity is known from experience the state that is compressed into as Fig. 8 B.And this moment, flexible cavity 25 is flexible because of having, and therefore can accumulate an elastic restoring force.When alternating current phases when negative, this electromagnetism rolling part 23 can produce reverse electromagnetic forces and along with elastic restoring force is released piston portion 21 fully.When repeated forward current potential and negative sense current potential replace mutually, the elastic restoring force that the electromagnetic force that electromagnetism rolling part 23 is produced and this flexible cavity 25 produce is formed can to make the to-and-fro motion in this cylinder 202 of this piston portion 21 with joint efforts.
See also shown in Figure 9ly, this figure is thin electromagnetic actuated pump first embodiment's generalized section of the present invention.In the present embodiment, this thin electromagnetic actuated pump 3 comprises a housing 30, a piston portion 31, a thrust generating unit 32, an electromagnetism rolling part 33 and a cavity 34.This piston portion 31, thrust generating unit 32 and electromagnetism rolling part 33 are identical with aforesaid Fig. 2 A and the described thin electromagnetic actuator structure of Fig. 4, do not give unnecessary details at this.This cavity 34 is arranged at the below of this piston portion 31, and is made of a upper cover body 340 and a lower cover 341 and makes these cavity 340 inside be formed with a chamber 342 and be connected with cylinder 300.Having more a pair of through hole 343 on this cavity 340 is connected with 346 with a pair of one-way valve 345 respectively with 344.And a side of each one- way valve 345 or 346 more is connected with a runner 347 or 348, wherein runner 348 its be connected with a fluid source.This fluid source can provide liquid or gas.In the present embodiment, one-way valve 346 only allows fluid to flow into this cavity 342, and this one-way valve 347 only allows fluid to flow out this cavity 342.
Operating principle as aforesaid thin electromagnetic actuator, when piston portion 31 moves back and forth in cylinder 300, can produce the variation of malleation and negative pressure, because cavity 34 externally is communicated with 344 through hole 343 by this, what connect on the through hole 343 again is the one-way valve 345 that only allows to flow out this cavity 34, therefore when piston portion 31 moves up, can produce negative pressure extracting, make fluid 95 flow in this cavity 34 through this one-way valve 346 by runner 348 by the fluid in the fluid source 95.When piston portion 31 moved down, piston portion 31 produced malleations and is compressed on the fluid in the cavity 34, makes fluid 96 only can flow out via runner 347 by one-way valve 345.By this piston portion 31 motion repeatedly, just can be by the fluid in the runner 348 withdrawn fluid sources, and fluid is discharged by runner 374.For the ease of measuring hydrodynamic pressure, in the present embodiment, have a pressure transducer 35, it measures the pressure of fluid by runner 36, in order to carrying out the control that pump extracts.
See also shown in Figure 10ly, this figure is a thin electromagnetic actuated pump washing unit embodiment's of the present invention schematic representation.In the present embodiment, this thin electromagnetic actuated pump 3 more can be connected to clean this solenoid-activated pump 3 with a cleaning tank 37.Please consult Fig. 9 and shown in Figure 10 simultaneously, this cleaning tank 37 has one first space 370 and one second space 371, and it is connected with 344 with the through hole 343 of this solenoid-activated pump 3 respectively.In the present embodiment, this runner 347 is connected with this first space 370, and 348 of this runners are connected in this second space 371.In this second space the detergent remover 92 with cleaning effect can be housed, enter in this solenoid-activated pump 3 via runner 348, the waste liquid 93 after will cleaning via runner 347 then drains in this first space 370.In Figure 10, this solenoid-activated pump 3 more is connected with a controller 38, the starting or stoping of this solenoid-activated pump 3 of its may command.
See also shown in Figure 11 A and Figure 11 B, this figure is real second embodiment's section of solenoid-activated pump of the present invention and motion flow schematic representation.In the present embodiment, mainly be to utilize the structure of Fig. 8 A to offer a pair of through hole 252 and 253 in a side of this flexible cavity 25, it is connected with this cavity 251.This side to through hole 252 and 253 is connected with an one- way valve 254 and 255 respectively.One-way valve 254 is connected with 27 with runner 26 respectively with 255.When pushing this flexible cavity 25 to by piston portion 21, the fluid this chamber 250 in (gas or liquid) that (shown in Fig. 8 B) flexible cavity 25 compression makes is by through hole 252, one-way valve 254 and by runner 26 outflows.Otherwise, when these flexible cavity 25 diastoles, fluid is entered in the chamber 251 (shown in Fig. 8 A) through one-way valves 255 and through hole 253 by runner 27 just can produce negative pressure in the chamber 250.Should make flexible cavity 25 compress and diastoles by the motion repeatedly of piston portion 21, and then drive circulation of fluid.
Figure 12 A and 12B are thin electromagnetic actuated pump the 3rd embodiment's generalized section of the present invention.This thin electromagnetic actuated pump 4 comprises a housing 40, a piston portion 41, a thrust generating unit 42, an electromagnetism rolling part 43, one first one-way valve 44 and one second one-way valve 45.This housing 40 has a cylinder 400 in it, an end of this housing offers one first through hole 401.This piston portion 41, it has a permanent-magnetic field and is arranged in this cylinder 400 to carry out displacement movement in this cylinder 400, has more one second through hole 410 in this piston portion 41.This electromagnetism rolling part 43, it is arranged at the peripheral of this cylinder 400 and has suitable magnetic conductivity, 41 of this electromagnetism rolling part 43 and this piston portions produce first active force that attracts each other and this electromagnetism rolling part 43 can provide one second active force on this piston portion 41, this piston portion 41 is produced move back and forth.The structure of this electromagnetism rolling part 43 is identical with aforesaid embodiment, does not give unnecessary details at this.
This thrust generating unit 42, it is arranged on these housing 40 inwalls and is corresponding with this piston portion 41, and this thrust generating unit 42 can produce one the 3rd active force on this piston portion 41.In the present embodiment, this thrust generating unit 42 is a magnetic, and it has a third through-hole 420 and is connected with this first through hole 401.In addition, this thrust generating unit 42 also can be spring, and its function mode is not given unnecessary details at this as previously mentioned.This first one-way valve 44 is arranged at these housing 40 outsides to be connected with this first through hole 401.This second one-way valve 45 is arranged between this piston portion 41 and this thrust generating unit 42 and with this second through hole 410 and is connected.The operation principles of this piston portion 41 is identical with aforesaid embodiment, does not give unnecessary details at this.In the present embodiment, when this piston portion 41 when moving down in the cylinder 400 shown in (as Figure 12 B), just fluid can be entered by the inlet of second through hole 410 of an end 411 of this piston portion 41, and enter in this cylinder 400 via this one-way valve 44.Otherwise, when piston portion 41 moves up (shown in Figure 12 A), because one-way valve 44 only allows fluid to flow into, therefore this moment, the fluid in cylinder 400 just can be subjected to the compression of piston portion 41, and flowed out this pump 4 via this third through-hole 420, first through hole 401 and this one-way valve 45.Moving repeatedly up and down and can pass in and out this pump 4 by propelling fluid via this piston portion 41.
See also shown in Figure 13 A and Figure 13 B, this figure is the 4th embodiment's section and the motion flow schematic representation of solenoid-activated pump of the present invention.In the present embodiment, the structure of this thin electromagnetic actuated pump 2 is similar with first embodiment basically, difference be that this cavity 34 of embodiment one is replaced by a flexible cavity 25.One side of this flexible cavity 25 is offered a pair of through hole 252 and 253, and it is connected with this cavity 251.This is connected with an one- way valve 254 and 255 respectively to one of through hole 252 and 253 side.One-way valve 254 is connected with 27 with runner 26 respectively with 255.One side of piston portion 21 is connected with elastomer 24, when pushing this flexible cavity 25 to by piston portion 21, the fluid this chamber 250 in (gas or liquid) that (shown in Figure 13 B) flexible cavity 25 compression makes is by through hole 252, one-way valve 254 and by runner 26 outflows.Otherwise, when this piston portion 21 is pulled and during flexible cavity 25 diastoles, just can produces negative pressure in the chamber 250 fluid is entered in the chamber 251 (as shown in FIG. 13A) through one-way valves 255 and through hole 253 by runner 27.Should make flexible cavity 25 compress and diastoles by the motion repeatedly of piston portion 21, and then drive circulation of fluid.
Comprehensively above-mentioned, a kind of thin electromagnetic actuator provided by the invention and pump thereof, the design of utilization brushless, permanently linear motor effectively reduces the number of part and the problem that reduces the reducing gear abrasion, and can improve usefulness, increases specific power, reduces pump volume weight.Feature of the present invention can improve the competitive ability of this industry and drive arround the development of industry.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (28)
1. a thin electromagnetic actuator is characterized in that, comprising:
One housing has a cylinder in it;
One piston portion, it has a permanent-magnetic field and is arranged in this cylinder to carry out displacement movement in this cylinder;
One electromagnetism rolling part, it is arranged at the peripheral of this cylinder and has suitable magnetic conductivity, generation one first active force that attracts each other and this electromagnetism rolling part can provide one second active force on this piston portion between this electromagnetism rolling part and this piston portion, this piston portion is produced move back and forth, this electromagnetism rolling part has more:
One magnetic guiding loop, it has a breach and a containing space respectively, and the inside of this magnetic guiding loop can provide ccontaining this cylinder; And
One coil case, it is placed in respectively in the containing space of this magnetic guiding loop, and this coil case can produce this second active force by electrical signals; And
One thrust generating unit, it is arranged on this housing and is corresponding with this piston portion, and this thrust generating unit can produce one the 3rd active force on this piston portion.
2. thin electromagnetic actuator as claimed in claim 1 is characterized in that, this thrust generating unit is a magnetic element, and it is arranged on this inner walls.
3. thin electromagnetic actuator as claimed in claim 2 is characterized in that, the end that this piston portion and this magnetic element are corresponding mutually has identical magnetic pole respectively.
4. thin electromagnetic actuator as claimed in claim 1 is characterized in that, this thrust generating unit is an elastomer, and this elastomeric end and this inner walls lean, and this elastomeric the other end is connected with this piston portion.
5. thin electromagnetic actuator as claimed in claim 1 is characterized in that, this piston portion has more:
A pair of along the magnetic conduction lid; And
One magnetic, its be arranged at this to along between the magnetic conduction lid so that this permanent-magnetic field to be provided.
6. thin electromagnetic actuator as claimed in claim 1, it is characterized in that, this magnetic guiding loop is made of a pair of annular groove, each annular groove has one first end face and one second end face, the height of this first end face is greater than this second end face, this first end face to annular groove interconnects, and makes this corresponding to mutually to form this containing space to the recess in the annular groove.
7. thin electromagnetic actuator as claimed in claim 1 is characterized in that, the outer wall of this cylinder has more a protuberance to embed this breach.
8. thin electromagnetic actuator as claimed in claim 1 is characterized in that, this thrust generating unit is a flexible cavity.
9. thin electromagnetic actuator as claimed in claim 8 is characterized in that, a side of this flexible cavity has a protuberance, and it is placed in this cylinder and leans with this piston portion.
10. thin electromagnetic actuator as claimed in claim 8 is characterized in that, has a pair of through hole on the side of this flexible cavity, and it is connected with an one-way valve respectively.
11. a thin electromagnetic actuated pump is characterized in that, comprising:
One housing has a cylinder in it;
One piston portion, it has a permanent-magnetic field and is arranged in this cylinder to carry out displacement movement in this cylinder;
One electromagnetism rolling part, it is arranged at the peripheral of this cylinder and has suitable magnetic conductivity, generation one first active force that attracts each other and this electromagnetism rolling part can provide one second active force on this piston portion between this electromagnetism rolling part and this piston portion, this piston portion is produced move back and forth, this electromagnetism rolling part has more:
One magnetic guiding loop, it has a breach and a containing space respectively, and the inside of this magnetic guiding loop can provide ccontaining this cylinder; And
One coil case, it is placed in respectively in the containing space of this magnetic guiding loop, and this coil case can produce this second active force by electrical signals; And
One thrust generating unit, it is arranged on this inner walls and is corresponding with this piston portion, and this thrust generating unit can produce one the 3rd active force on this piston portion;
One cavity has a fluid space that is connected with this cylinder in it, have more a pair of through hole in this cavity and be connected with this fluid space.
12. thin electromagnetic actuated pump as claimed in claim 11 is characterized in that, this thrust generating unit is a magnetic element.
13. thin electromagnetic actuated pump as claimed in claim 12 is characterized in that, the end that this piston portion and this magnetic element are corresponding mutually has identical magnetic pole respectively.
14. thin electromagnetic actuated pump as claimed in claim 11 is characterized in that, this thrust generating unit is an elastomer, and this elastomeric end and this housing lean, and this elastomeric the other end is connected with this piston portion.
15. thin electromagnetic actuated pump as claimed in claim 11 is characterized in that, this piston portion has more:
A pair of along the magnetic conduction lid; And
One magnetic, its be arranged at this to along between the magnetic conduction lid so that this permanent-magnetic field to be provided.
16. thin electromagnetic actuated pump as claimed in claim 11, it is characterized in that, this magnetic guiding loop is made of a pair of annular groove, each annular groove has one first end face and one second end face, the height of this first end face is greater than this second end face, this first end face to annular groove interconnects, and makes this corresponding to mutually to form this containing space to the recess in the annular groove.
17. thin electromagnetic actuated pump as claimed in claim 11 is characterized in that, the outer wall of this cylinder has more a protuberance to embed this breach.
18. thin electromagnetic actuated pump as claimed in claim 11 is characterized in that, has more:
A pair of one-way valve, it is connected to through hole with this respectively; And
A pair of runner, it is connected to one-way valve with this respectively.
19. thin electromagnetic actuated pump as claimed in claim 11 is characterized in that, this cavity is a flexible cavity, has a pair of through hole on the side of this flexible cavity, and it is connected with an one-way valve respectively.
20. thin electromagnetic actuated pump as claimed in claim 11 is characterized in that, has more the pressure of a pressure transducer with the sensing fluid.
21. thin electromagnetic actuated pump as claimed in claim 11 is characterized in that, has more a cleaning tank, this cleaning tank branch is separated with one first space and one second space, and it is connected to through hole with this respectively.
22. a thin electromagnetic actuated pump is characterized in that, comprising:
One housing has a cylinder in it, an end of this housing offers one first through hole;
One piston portion, it has a permanent-magnetic field and is arranged in this cylinder to carry out displacement movement in this cylinder, has more one second through hole in this piston portion;
One electromagnetism rolling part, it is arranged at the peripheral of this cylinder and has suitable magnetic conductivity, generation one first active force that attracts each other and this electromagnetism rolling part can provide one second active force on this piston portion between this electromagnetism rolling part and this piston portion, this piston portion is produced move back and forth, this electromagnetism rolling part has more:
One magnetic guiding loop, it has a breach and a containing space respectively, and the inside of this magnetic guiding loop can provide ccontaining this cylinder; And
One coil case, it is placed in respectively in the containing space of this magnetic guiding loop, and this coil case can produce this second active force by electrical signals;
One thrust generating unit, it is arranged on this inner walls and is corresponding with this piston portion, and this thrust generating unit can produce one the 3rd active force on this piston portion;
One first one-way valve, it is arranged at this hull outside to be connected with this first through hole; And
One second one-way valve, it is arranged between this piston portion and this thrust generating unit and with this second through hole and is connected.
23. thin electromagnetic actuated pump as claimed in claim 22 is characterized in that, this thrust generating unit is a magnetic element, and it offers a third through-hole.
24. thin electromagnetic actuated pump as claimed in claim 23 is characterized in that, the end that this piston portion and this magnetic element are corresponding mutually has identical magnetic pole respectively.
25. thin electromagnetic actuated pump as claimed in claim 22 is characterized in that, this thrust generating unit is an elastomer, and this elastomeric end and this housing lean, and this elastomeric the other end is connected with this piston portion.
26. thin electromagnetic actuated pump as claimed in claim 22 is characterized in that, this piston portion has more:
A pair of along the magnetic conduction lid; And
One magnetic, its be arranged at this to along between the magnetic conduction lid so that this permanent-magnetic field to be provided.
27. thin electromagnetic actuated pump as claimed in claim 22, it is characterized in that, this magnetic guiding loop is made of a pair of annular groove, each annular groove has one first end face and one second end face, the height of this first end face is greater than this second end face, this first end face to annular groove interconnects, and makes this corresponding to mutually to form this containing space to the recess in the annular groove.
28. thin electromagnetic actuated pump as claimed in claim 22 is characterized in that, the outer wall of this cylinder has more a protuberance to embed this breach.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101110249A CN101592143B (en) | 2008-05-29 | 2008-05-29 | Thin electromagnetic actuator and pump thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101110249A CN101592143B (en) | 2008-05-29 | 2008-05-29 | Thin electromagnetic actuator and pump thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101592143A true CN101592143A (en) | 2009-12-02 |
| CN101592143B CN101592143B (en) | 2011-06-01 |
Family
ID=41406968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101110249A Expired - Fee Related CN101592143B (en) | 2008-05-29 | 2008-05-29 | Thin electromagnetic actuator and pump thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101592143B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110049416A (en) * | 2019-04-23 | 2019-07-23 | 歌尔股份有限公司 | Vibration-sound generating device and electronic product |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2049692U (en) * | 1989-04-12 | 1989-12-20 | 上海内江微型泵厂 | Electromagnetic pump |
| MC2269A1 (en) * | 1991-04-09 | 1993-04-26 | Eaton Corp | IMPROVED HYDRAULIC PERFORMANCE OF VIBRATING PUMPS |
| CN2729362Y (en) * | 2004-09-21 | 2005-09-28 | 黄才能 | Eletromagnetic fuel delivery pump |
| CN2934627Y (en) * | 2005-06-30 | 2007-08-15 | 宜昌市车的技术有限公司 | Straight arranged type electromagnetic fuel delivery pump |
-
2008
- 2008-05-29 CN CN2008101110249A patent/CN101592143B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110049416A (en) * | 2019-04-23 | 2019-07-23 | 歌尔股份有限公司 | Vibration-sound generating device and electronic product |
| CN110049416B (en) * | 2019-04-23 | 2021-02-19 | 歌尔股份有限公司 | Vibration sound production device and electronic product |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101592143B (en) | 2011-06-01 |
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Granted publication date: 20110601 Termination date: 20160529 |