CN105610296A - Diaphragm pump and electric sprayer - Google Patents
Diaphragm pump and electric sprayer Download PDFInfo
- Publication number
- CN105610296A CN105610296A CN201610095338.9A CN201610095338A CN105610296A CN 105610296 A CN105610296 A CN 105610296A CN 201610095338 A CN201610095338 A CN 201610095338A CN 105610296 A CN105610296 A CN 105610296A
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- Prior art keywords
- permanent magnet
- fluid
- face
- leg
- arm
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
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- 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
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
- F04B43/04—Pumps having electric drive
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
- B05B9/0403—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material
- B05B9/0413—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material with reciprocating pumps, e.g. membrane pump, piston pump, bellow pump
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
- H02K33/16—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Reciprocating Pumps (AREA)
Abstract
The application discloses a diaphragm pump and an electric sprayer. The diaphragm pump comprises a U-shaped magnetic yoke, four permanent magnets and a swinging arm, wherein the U-shaped magnetic yoke enables end surfaces of two support legs to generate alternating magnetic poles under a control circuit, the four permanent magnets are fixedly arranged in an inner arm by a second magnetic yoke and are respectively a first permanent magnet, a second permanent magnet, a third permanent magnet and a fourth permanent magnet, the first permanent magnet, the second permanent magnet, the third permanent magnet and the fourth permanent magnet are sequentially arranged on the same circumference by taking a support point as a circle center, the polarities of the radial end surfaces of the first permanent magnet and the fourth permanent magnet are same, and the polarities of the radial end surfaces of the second permanent magnet and the third permanent magnet are same and are opposite to the polarity of the radial end surface of the first permanent magnet. When a coil is energized, the four permanent magnets can generate torques of the same rotation direction and swing in a reciprocating way under the effects of the two support legs of the U-shaped magnetic yoke, a diaphragm push-pull rod is driven by an outer arm to squeeze a diaphragm, the space size of a fluid cavity is changed, and liquid absorption and discharge are achieved.
Description
Technical field
The application relates to a kind of membrane pump, especially a kind of membrane pump that adopts oscillating motor.
Background technology
Motor is a kind of a kind of calutron of the conversion that realizes electric energy according to the law of electromagnetic induction, and it is by extensiveBeing applied in every field, is the indispensable prime mover of society, for electrical equipment or various machinery are carried in a large numberFor power source.
Power spraye is a kind of equipment taking motor as actuating unit, and at present, power spraye generally makesDrive membrane pump with electric rotating machine. Electric rotating machine is to rely on electromagnetic induction principle and the rotating electromagnetic machine that movesTool, for realizing the mutual conversion of mechanical energy and electric energy, simultaneously electric rotating machine by transmission mechanism by rotationMotion converts reciprocally swinging to, and common transmission mechanism is cam mechanism, eccentric ratio structure for example. Membrane pumpAdopt electric rotating machine to add eccentric wheel, promote barrier film push rod and move back and forth, in the time shifting successively two ends extrusion position onto,Resistance can be very large, but motor must rotate the past, causes transient current extremely large. To adopt 12V charged electricalIt is example that there is the membrane pump of brushless motor in pond and 775, and its work average current is about 2.6A, but successivelyTransient current while pushing two ends barrier film is more than 7A, and also large to battery injury, the life-span of motor is also with regard to 400About hour.
Summary of the invention
The application provides a kind of novel membrane pump and power spraye.
The membrane pump that the application provides, comprises oscillating motor and pump assembly, and described oscillating motor comprises:
U-shaped yoke, described U-shaped yoke has the first leg and the second leg, described the first leg and secondOn leg, be wound with respectively coil;
Control circuit, described control circuit is electrically connected with coil, and produce alternating impulse, makes U-shaped yokeThe end face of two legs produces alternation magnetic pole;
Can be around the swing arm of spot wobble, described swing arm stretches out from the end face of U-shaped yoke, and taking fulcrum asBoundary, described swing arm is inner arm near one end of U-shaped yoke, outside described swing arm away from one end of U-shaped yoke isArm;
The second yoke, described the second yoke is arranged on inner arm one end near U-shaped yoke;
And four permanent magnets, described permanent magnet is fixedly mounted in the second yoke; Described four permanent magnets are complied withOn the inferior same circumference being distributed in taking fulcrum as the center of circle, and be followed successively by the first permanent magnet, according to putting in orderTwo permanent magnets, the 3rd permanent magnet and the 4th permanent magnet; The longitudinal end of described the first permanent magnet and the 4th permanent magnetThe polarity of face is identical, and described the second permanent magnet is identical with the polarity of the radial end face of the 3rd permanent magnet; And instituteState the radial end face of the first permanent magnet contrary with the polarity of the second permanent magnet radial end face and corresponding the first legEnd face arranges; The polarity of the radial end face of described the 3rd permanent magnet and the 4th permanent magnet radial end face is contrary and rightAnswer the end face setting of the second leg, the end face of described permanent magnet and the end face of its corresponding leg have air gap;
Described pump assembly comprises:
Fluid cavity, the partial sidewall of described fluid cavity is barrier film;
Fluid admission passage, described fluid admission passage is communicated with fluid cavity, for from fluid source input fluidTo fluid cavity;
Fluid expulsion passage, described fluid expulsion passage is communicated with fluid cavity, for fluid is arranged from fluid cavityGo out;
And barrier film pull bar, described barrier film pull bar is arranged on the outer arm of described swing arm, and is swinging electricityUnder the driving of machine with outer arm reciprocally swinging, presses against diaphragm, compressive flow body cavity.
As the further improvement of described membrane pump, the gap between described the first permanent magnet and the second permanent magnetBe less than the width of the first leg end face, the gap between described the 3rd permanent magnet and the 4th permanent magnet is less than secondThe width of leg end face.
As the further improvement of described membrane pump, the end face of described the first leg and the second leg has couplingWhen permanent magnet swings the arc surface of corresponding circumference.
As the further improvement of described membrane pump, be provided with for absorbing swing arm and exist in the both sides of described swing armThe elastomer of rotary inertia when swing puts in place, described elastomeric elastic characteristic is curve more than secondary.
As the further improvement of described membrane pump, described elastomer is ball, oval ball, cylinder, ellipsePost or semicircular silica gel part or rubber parts.
As the further improvement of described membrane pump, in U-shaped yoke outside and the first permanent magnet and/or the 4th foreverOn the motion track of magnet, be provided with for detection of put in place the Hall unit of state of the first permanent magnet or the 4th permanent magnetPart, described Hall element is connected with control circuit.
As the further improvement pump of described barrier film, also comprise resonance elastic component, described resonance elastic component oneEnd is fixed on the fulcrum of swing arm, and the other end is connected on outer arm or inner arm.
As the further improvement of described membrane pump, described outer arm has power efferent, described power efferent toolHave arc outer wall, described barrier film pull bar has the groove mating with power efferent, and described power efferent is installedIn described groove.
As the further improvement of described membrane pump, described fluid cavity is two, and described barrier film pull bar arrangesIn the centre of two fluid cavitys, in the time that barrier film pull bar swings, push successively two fluid cavitys.
The power spraye that the application provides, comprises feed liquor assembly, fluid assembly and as described in above-mentioned any oneMembrane pump, described feed liquor assembly is communicated with fluid admission passage and is provided with controls the of fluid one-way flowOne check valve, described fluid assembly and fluid expulsion channel connection, and be provided with and control fluid one-way flowThe second check valve; Described feed liquor assembly comprises fluid reservoir and feed tube, and described feed tube is by fluid reservoir and fluidAdmission passage is communicated with; Described fluid assembly comprises drain pipe, switch valve and shower nozzle, described drain pipe and fluidPassing away is communicated with, and described shower nozzle is communicated with drain pipe, and described switch valve is arranged on drain pipe.
The application's beneficial effect is:
The membrane pump that the application provides, it comprises U-shaped yoke, four permanent magnets and swing arm, this U-shaped yokeTwo legs on be wound with respectively coil, under control circuit, can make the end face of two legs produce alternation magneticThe utmost point. This swing arm is inner arm near one end of U-shaped yoke, is outer arm away from one end of U-shaped yoke. These fourPermanent magnet is fixedly mounted on inner arm by the second yoke, is respectively the first permanent magnet, the second permanent magnet,Three permanent magnets and the 4th permanent magnet, it is distributed on the same circumference taking fulcrum as the center of circle successively. The first permanent magnetismBody is identical with the radial end face polarity of the 4th permanent magnet, the radial end face utmost point of the second permanent magnet and the 3rd permanent magnetProperty identical, simultaneously the second permanent magnet is contrary with the polarity of the first permanent magnet radial end face, permanent magnet and U-shaped magneticGrip there being air gap. Work as coil electricity, four permanent magnets all can produce the torque of identical direction of rotation. ControlCircuit produces the adjustable alternating impulse of pulsewidth, the permanent magnet direction of motion is alternately changed, and then form toward physical pendulumMoving, thus drive barrier film pull bar presses against diaphragm by the outer arm of swing arm, change fluid cavity space size, realizeImbibition and discharge opeing. Corresponding two permanent magnets of each leg of U-shaped yoke, this permanent magnet redundancy of oscillating motorDesign be with the different magnetic Circuit Design of prior art, larger than the existing motor torque of same power, effect magneticLogical large, driving power reduces accordingly.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of embodiment of the application's membrane pump;
Fig. 2 is middle oscillating motor structural representation embodiment illustrated in fig. 1;
Fig. 3 is the schematic diagram that coordinates of permanent magnet and U-shaped yoke leg in oscillating motor shown in Fig. 2;
Fig. 4 is the schematic diagram of oscillating motor shown in Fig. 2 under "on" position;
Fig. 5 be oscillating motor shown in Fig. 2 with the reverse "on" position of Fig. 3 under schematic diagram;
Fig. 6 be embodiment illustrated in fig. 2 in four permanent magnet radial end face the first launch schematic diagrames;
Fig. 7 be embodiment illustrated in fig. 2 in four permanent magnet radial end face the second launch schematic diagrames;
Fig. 8 be embodiment illustrated in fig. 2 in four permanent magnet radial end faces the third launch schematic diagrames;
Fig. 9 is the structural representation of the application's oscillating motor the second embodiment;
Figure 10 is the structural representation of the third embodiment of the application's oscillating motor;
Figure 11 is deformation pattern embodiment illustrated in fig. 10;
Figure 12 is the structural representation of a kind of embodiment of the application's power spraye.
Detailed description of the invention
By reference to the accompanying drawings the present invention is described in further detail below by detailed description of the invention. The application canRealize with multiple different form, be not limited to the described embodiment of the present embodiment. Following tool is providedThe object of body embodiment is to be convenient to the clearer thorough understanding of the application's disclosure, wherein upper and lower,Left and right wait the words of indicating position be only for shown in structure position in respective figure.
But those skilled in the art may recognize one or more detail descriptionCan be omitted, or can also adopt other method, assembly or material. In some instances, someEmbodiment is not described or is not described later in detail.
Compiled sequence number itself by parts herein, for example " first ", " second " etc., only retouch for district officeThe object of stating, does not have any order or art-recognized meanings.
In addition, technical characterictic described herein, technical scheme can also be in one or more embodiments withThe mode of any appropriate combines. For a person skilled in the art, should be readily appreciated that and reality provided hereinStep or the operating sequence of executing the relevant method of example can also change. Therefore, any in drawings and ExamplesOrder, only for illustrative purposes, does not imply requirement in a certain order, requires unless expressly stated to pressAccording to a certain order.
Embodiment mono-:
The present embodiment one provides a kind of membrane pump.
This membrane pump comprises oscillating motor and pump assembly, the exportable a kind of oscillating traverse motion of this oscillating motor,The barrier film of extrusion pump assembly under oscillating traverse motion, compressive flow body cavity, the imbibition of driving pump assembly and discharge opeing,Complete spraying function.
Please refer to Fig. 1 to 3, this oscillating motor comprises:
U-shaped yoke 100, U-shaped yoke 100 has the first leg 110 and the second leg 120, the first legs110 and second are wound with respectively coil 200 on leg 120;
Control circuit 300, control circuit 300 is electrically connected with coil 200, and produces alternating impulse, makes U-shapedThe end face 111,121 of two legs of yoke 100 produces alternation magnetic pole;
Can be around the swing arm 400 of a spot wobble, swing arm 400 is outside from the end face 111,121 of U-shaped yoke 100Extend, and taking fulcrum as boundary, swing arm 400 is inner arm 420 near one end of U-shaped yoke 100, swing arm 400Be outer arm 430 away from one end of U-shaped yoke 100;
The second yoke 500 (for it and U-shaped yoke 100 are differentiated, therefore be called the second yoke 500),The second yoke 500 is arranged on inner arm 420 one end near U-shaped yoke 100;
And four permanent magnets, permanent magnet is fixedly mounted on (as gluing fixing) in the second yoke 500. FourPermanent magnet is distributed on the same circumference taking fulcrum as the center of circle successively, and is followed successively by first forever according to putting in orderMagnet 610, the second permanent magnet 620, the 3rd permanent magnet 630 and the 4th permanent magnet 640. The first permanent magnet 610Identical with the polarity of the radial end face 611,641 of the 4th permanent magnet 640, the second permanent magnet 620 and the 3rd foreverThe polarity of the radial end face 621,631 of magnet 630 is identical, and the radial end face 611 of the first permanent magnet 610Establish with the polarity end face 111 contrary and corresponding the first leg 110 of the second permanent magnet 620 radial end faces 621Put the polarity phase of the radial end face 631 of the 3rd permanent magnet 630 and the 4th permanent magnet 640 radial end faces 641The end face 121 of anti-and corresponding the second leg 120 arranges, the end face of four permanent magnets and the end of its corresponding legMask has air gap.
Wherein, four permanent magnets are distributed in successively and on the same circumference taking fulcrum as the center of circle, refer to this four permanent magnetismBody is roughly equal to the radius of fulcrum, along oscillation center line radial distribution.
This U-shaped yoke 100, swing arm 400, the second yoke 500 and permanent magnet are contained in housing 700, whereinThe fulcrum of swing arm 400 is a swinging axle 410, and this swinging axle 410 is fixedly mounted on housing 700, swing arm400 are sleeved on this swinging axle 410.
When coil 200 is switched on, four permanent magnets all can produce the torque of identical direction of rotation. If after energising,First produces the magnetic attraction that size is identical, the second He with 610,630 pairs of U-shaped yokes 100 of the 3rd permanent magnetThe U-shaped yoke 100 of the 4th 620,640 pairs of permanent magnets produces the magnetic repulsion that size is identical; Oppositely energising, firstProduce with the U-shaped yokes 100 of 610,630 pairs of the 3rd permanent magnets the magnetic repulsions that size is identical, second and the 4th620,640 pairs of U-shaped yokes 100 of permanent magnet produce the magnetic attraction that size is identical. Each leg of U-shaped yokeCorresponding two permanent magnets, the design of this permanent magnet redundancy is with the different magnetic Circuit Design of prior art, makesThis oscillating motor is than larger with the existing motor torque of power, and effect magnetic flux is large, and driving power accordingly willReduce.
These four permanent magnets are subject to the active force of U-shaped yoke 100 along same swaying direction simultaneously, and it canEnsure that swing arm 400 does not just realize whole reciprocally swinging process by external force.
Particularly, please refer to Fig. 1,2,3,4, suppose the first permanent magnet 610 and the 4th permanent magnet 640End face be the N utmost point, and the end face of the second permanent magnet 620 and the 3rd permanent magnet 630 is the S utmost point. When coil 200Energising, if the end face of the first leg 110 is now the N utmost point, the end face of the second leg 120 is the S utmost point, theThe S utmost point to the second permanent magnet 620 is produced suction by the N utmost point of one leg 110, and to the first permanent magnet 610The N utmost point produce repulsion. Similarly, the S utmost point of the second leg 120 will be to the N utmost point of the 4th permanent magnet 640Produce suction, and the S utmost point of the 3rd permanent magnet 630 is produced to repulsion, thereby make swing arm 400 from shown in Fig. 2Position swings to position shown in Fig. 4, forms for the first time and swings.
When the interior sense of current of coil 200 changes, as shown in Figure 5, now the end face of the first leg 110 is SThe utmost point, the end face of the second leg 120 is the N utmost point, the S utmost point of the first leg 110 will be to the second permanent magnet 620The S utmost point produce repulsion, and the N utmost point of the first permanent magnet 610 is produced to suction. Similarly, the second leg 120The N utmost point will produce repulsion to the N utmost point of the 4th permanent magnet 640, and the S utmost point of the 3rd permanent magnet 630 is producedRaw suction, thus make swing arm 400 swing to position shown in Fig. 5 from position shown in Fig. 4, form pendulum for the second timeMoving.
To sum up, coil 200 connects control circuit 300, and control circuit 300 produces the adjustable alternating impulse of pulsewidth,Make the end face of U-shaped yoke 100 produce the magnetic pole of alternation, make permanent magnet produce suction torque and repulsion torque,Or repulsion torque and suction torque, drive swing arm 400 to swing, thereby drive accordingly and want by swing arm 400The machine assembly swinging.
Please refer to Fig. 1, this pump assembly comprises:
Fluid cavity 910, the partial sidewall of this fluid cavity 910 is barrier film;
Fluid admission passage (not shown), this fluid admission passage is communicated with fluid cavity 910, for fromFluid source input fluid is to fluid cavity 910;
Fluid expulsion passage (not shown), this fluid expulsion passage is communicated with fluid cavity 910, for inciting somebody to actionFluid is discharged from fluid cavity 910;
And barrier film pull bar 920, this barrier film pull bar 920 is arranged on the outer arm of swing arm, and is swinging electricityUnder the driving of machine with outer arm reciprocally swinging, presses against diaphragm, compressive flow body cavity 910.
Control circuit produces the adjustable alternating impulse of pulsewidth, and the permanent magnet direction of motion is alternately changed, and then shapeBecome reciprocally swinging, thereby drive barrier film pull bar 920 presses against diaphragm by the outer arm 430 of swing arm 400, changeFluid cavity 910 space sizes, realize imbibition and discharge opeing.
Further, as shown in Figure 3, can make the gap between the first permanent magnet 610 and the second permanent magnet 620Be less than the width of the end face 111 of the first leg 110, between the 3rd permanent magnet 630 and the 4th permanent magnet 640Gap be less than the width of the end face 121 of the second leg 120, with the leg that ensures U-shaped yoke 100 to respectivelyPermanent magnet has enough active forces.
The end face width of the width of each permanent magnet and U-shaped yoke 100 legs can be identical or different. HereSaid width refers to the width in arrow direction in Fig. 3.
In order to reduce air gap, as shown in Figure 3, can make the first leg 110 and the second leg 120 end face 111,121 have coupling permanent magnet while swinging the arc surface of corresponding circumference, i.e. the first leg 110 and the second legThe cambered surface of the circumference that 120 arc surface that end face 111,121 becomes and permanent magnet form while swing only has air gapSpacing.
Wherein, please refer to Fig. 6, the radial end face of four permanent magnets is arranged as shown in Figure 6, roughly rectangular.In addition, the radial end face of permanent magnet also can be set to other shapes, as shown in Figure 7, and by the first permanent magnet 610aBe set to adjacent one side inclination and parallel to each other with the radial end face of the second permanent magnet 620a, by the 3rd permanent magnetThe radial end face of 630a and the 4th permanent magnet 640a is set to adjacent one side inclination and parallel to each other, and second foreverMagnet 620a and the 4th permanent magnet 640a are roughly the right-angled trapezium of equidirectional setting, and the first permanent magnet 610aWith the 3rd permanent magnet 630a be also the right-angled trapezium of same shape, but direction and the second permanent magnet 620a andFour permanent magnet 640a are contrary; Or, as shown in Figure 8, the radial end face of four permanent magnets is all set to inclineTiltedly and be parallel to each other, be all roughly parallelogram.
In the layout viewing of permanent magnet above, permanent magnet is interspersed, and can improve output torque curve, makes defeatedGo out moment and become steady.
Further, please refer to Fig. 1,2,4,5, outer arm 430 has power efferent 431, power efferent431 have arc outer wall, and barrier film pull bar 920 has the groove 921 mating with power efferent 431, this powerEfferent 431 is arranged in groove 921, and its arc outer wall can act on barrier film pull bar 920, drives barrier filmPull bar 920 swings.
Fluid cavity 910 can be further two (one above all can), and this barrier film pull bar 920 is arranged onThe centre of two fluid cavitys 910, in the time that barrier film pull bar 920 swings, pushes two fluid cavitys successively910。
The outer arm 430 of swing arm 400 is output arm, and the outer arm of force is less than the interior arm of force, and interior arm of force distance is permanent magnetRadial end face to the distance at swinging axle 410 centers, outer arm of force distance be that outer arm 430 is arrived at swinging axle 410 centersThe distance at power efferent 431 centers. Here also can be according to Demand Design inwall and the outer wall to amplitude of fluctuationLength ratio.
In each swing process, four active forces that in fact permanent magnet is all swung in the same direction, defeatedGo out moment=power output × outer arm of force=(F1+F2+F3+F4) × interior arm of force, F1, F2, F3, F4 are U-shapedYoke 100 is the active force to four permanent magnets respectively.
Please refer to Fig. 2, this oscillating motor under off-position, the first and second permanent magnets 610,620 andOne leg 110 forms closed magnetic circuit by air gap, the third and fourth permanent magnet 630,640 and the second leg 120Form closed magnetic circuit by air gap, can avoid leakage field. And permanent magnet and the second yoke 500 are arranged on swing armOn 400, also make the other parts of swing arm 400 can not exert an influence to magnetic field.
In addition, please refer to Fig. 2, can also comprise charging module 310 and rechargeable battery 320, described charged electricalPond 320 is for power supply, and charging module 310 is connected with control circuit, for charging to rechargeable battery 320.
Control circuit also can comprise state indicating module 330, moment adjusting module 340 and switch, state instructionModule 330 is used to indicate the duty of motor, and switch, for to control circuit triggering signal, is controlled outClose motor.
Further, control circuit 300 is inferior by determining that to the counting of coil electricity pulse machinery swingsNumber, output signal is given and corresponding instruction the operation conditions of machine assembly.
Further, please refer to Fig. 1,2,4,5, be provided with for absorbing swing arm in the both sides of swing arm 400The elastomer 810 of 400 rotary inertias in the time that swing puts in place, the elastic characteristic of elastomer 810 is more than secondaryCurve.
This elastomer 810 is mainly used in absorbing the rotary inertia of swing arm 400 under Light Condition, its elastic force withThe increase of compression travel, before putting in place, elastic force is very little, and in the time of position, it is large that elastic force becomes fast. This elasticityThe elastic characteristic of body 810 can ensure that elastomer 810 does not produce too much the swing of load condition lower swing arm 400Impact (load condition lower swing arm 400 swinging distances can be decayed), only has swing arm 400 too much under Light ConditionExtruding elastomer 810 just can produce larger restoring force, avoids swing arm 400 to clash into periphery at Light ConditionPart.
Elastomer 810 can be arranged on the both sides of inner arm 420 and/or outer arm 430, and the present embodiment is by elastomer 810Be arranged on the position between inner arm 420 and housing 700.
This elastomer 810 can adopt the silica gel of the shapes such as ball, oval ball, cylinder, cylindroid or semicirclePart or rubber parts.
The swing arm of this oscillating motor is around a spot wobble, and the life-span of fulcrum and swing arm fit structure is this motorIn the life-span, for example swing arm is arranged on swinging axle by bearing, and the life-span of this bearing is exactly the life-span of motor, because ofThe life-span of this this motor is extremely long, and existing have brushless motor to compare. Or swing arm also can be straightFemale connector is connected on swinging axle, and now the life-span of this socket join structure is exactly the life-span of motor.
The membrane pump that the present embodiment provides can be because stall electric current sharply increases, and operating current changes little,Hunting frequency is not with change in resistance. When pressure arrives corresponding dynamics, with driving moment balance, thereby can not makeBecome pressure constantly to increase, also do not need the regulator that refluxes accordingly, simplified membrane pump. Drive and changeMoment, just can change the output pressure of membrane pump, has realized and has held manageable electronic pressure regulating.
This membrane pump operating current is less than brushless motor pump, and energy-saving effect is obvious, does not also have abnormal largeElectric current, battery life is longer. Simple with the power spraye pump configuration of this pump, accumulator capacity used reduces,Gross weight alleviates, and applicable to the spraying function of various liquid, is a kind of design of energy-conserving and environment-protective.
The membrane pump that the present embodiment provides can act on the pump of various fluid media (medium)s and get, as pure water, agricultural chemicals, gasBody etc.
Embodiment bis-:
The present embodiment two provides another kind of oscillating motor.
Please refer to Fig. 9, this oscillating motor is improving in structure shown in embodiment mono-.
Particularly, in U-shaped yoke 100 outsides and the moving of the first permanent magnet 610 and/or the 4th permanent magnet 640On moving track, also can be provided with for detection of put in place the inspection of state of the first permanent magnet 610 or the 4th permanent magnet 640Survey element 820, detecting element 820 is connected with control circuit 300.
This detecting element 820 can detect the first permanent magnet 610 and/or whether the 4th permanent magnet 640 arrives detectionPosition or arrive time of detection position, thus judge the size of resistance, and then the size of change electric current. ExampleAs, the first permanent magnet 610 and/or the 4th 640 arrival times of permanent magnet are long, illustrate that resistance is large, controlCircuit 300 can be controlled increase electric current, otherwise, reduce electric current.
Certainly, this detecting element 820 can be selected Hall element, also can select other situation inspections that can be used for putting in placeThe detecting element 820 of surveying.
So, control circuit 300 can pass through the moment variations of analysis-driven unit, drives electricity thereby changeStream, reaches to drive and stablizes, and reduces power consumption.
Embodiment tri-
The present embodiment three provides another kind of oscillating motor.
Please refer to Figure 10, this oscillating motor is improving in structure shown in embodiment mono-, increased forUnder constant hunting frequency, produce the resonance elastic component of resonance.
Particularly, this resonance elastic component one end is fixed on the fulcrum of swing arm, the other end be connected to outer arm or inOn arm.
Further, the elastic component that resonates shown in Figure 10 is linear spring steel wire, in addition, also can use itHe replaces by the elastic component of shape, and the middle part of the elastic component that resonates as shown in figure 11 arranges for bending.
Embodiment tetra-
The present embodiment four provides a kind of power spraye.
This power spraye comprises feed liquor assembly, fluid assembly and membrane pump.
This membrane pump can adopt the structure shown in above arbitrary embodiment.
This feed liquor assembly is communicated with fluid admission passage and is provided with controls the first unidirectional of fluid one-way flowValve, the first check valve can be arranged in the fluid admission passage of membrane pump, also can be arranged on feed liquor assembly.This fluid assembly and fluid expulsion channel connection are also provided with the second check valve of controlling fluid one-way flow, theTwo check valves can be arranged in the fluid expulsion passage of membrane pump, also can be arranged on fluid assembly
Please refer to Figure 12, this feed liquor assembly comprises feed tube 1010 and fluid reservoir 1020, and feed tube 1010 willFluid reservoir 1020 and fluid admission passage are communicated with, and are convenient to feed liquor.
Filter 1030 also can be set, for liquid is filtered on feed tube 1010.
This fluid assembly comprises drain pipe 1040, shower nozzle 1050 and switch valve 1060, this drain pipe 1040 withFluid expulsion channel connection, shower nozzle 1050 is communicated with drain pipe 1040, and switch valve 1060 is arranged on drain pipeOn 1040.
With existing power spraye comparison, this power spraye can electronic pressure regulating, and pump configuration is simple, workMake current stabilization, power reduction, accumulator capacity reduces, and the life-span is long, and gross weight alleviates, applicable to variousThe spraying function of liquid is a kind of design of energy-conserving and environment-protective.
Above content is in conjunction with concrete embodiment further description made for the present invention, can not recognizeDetermine specific embodiment of the invention and be confined to these explanations. For the ordinary skill of the technical field of the inventionPersonnel, without departing from the inventive concept of the premise, can also make some simple deduction or replace.
Claims (10)
1. a membrane pump, is characterized in that, comprises oscillating motor and pump assembly, described pendulumMoving motor comprises:
U-shaped yoke, described U-shaped yoke has the first leg and the second leg, described firstOn pin and the second leg, be wound with respectively coil;
Control circuit, described control circuit is electrically connected with coil, and produces alternating impulse, makes UThe end face of two legs of type yoke produces alternation magnetic pole;
Can be around the swing arm of a spot wobble, described swing arm stretches out from the end face of U-shaped yoke, andTaking fulcrum as boundary, described swing arm is inner arm near one end of U-shaped yoke, and described swing arm is away from UOne end of type yoke is outer arm;
The second yoke, described the second yoke is arranged on inner arm one end near U-shaped yoke;
And four permanent magnets, described permanent magnet is fixedly mounted in the second yoke; Described fourPermanent magnet is distributed on the same circumference taking fulcrum as the center of circle successively, and according to putting in order successivelyBe the first permanent magnet, the second permanent magnet, the 3rd permanent magnet and the 4th permanent magnet; Described first foreverMagnet is identical with the polarity of the radial end face of the 4th permanent magnet, and described the second permanent magnet and the 3rd foreverThe polarity of the radial end face of magnet is identical; And the radial end face of described the first permanent magnet and secondThe end face setting of contrary and corresponding the first leg of the polarity of permanent magnet radial end face; The described the 3rd foreverContrary and corresponding the second leg of the polarity of the radial end face of magnet and the 4th permanent magnet radial end faceEnd face setting, the end face of described permanent magnet and the end face of its corresponding leg have air gap;
Described pump assembly comprises:
Fluid cavity, the partial sidewall of described fluid cavity is barrier film;
Fluid admission passage, described fluid admission passage is communicated with fluid cavity, for from fluid sourceInput fluid is to fluid cavity;
Fluid expulsion passage, described fluid expulsion passage is communicated with fluid cavity, for by fluid fromFluid cavity is discharged;
And barrier film pull bar, described barrier film pull bar is arranged on the outer arm of described swing arm, andUnder the driving of oscillating motor with outer arm reciprocally swinging, presses against diaphragm, compressive flow body cavity.
2. membrane pump as claimed in claim 1, is characterized in that, described the first permanent magnetismGap between body and the second permanent magnet is less than the width of the first leg end face, described the 3rd permanent magnetismGap between body and the 4th permanent magnet is less than the width of the second leg end face.
3. membrane pump as claimed in claim 1, is characterized in that, described the first legWhen thering is coupling permanent magnet and swing with the end face of the second leg the arc surface of corresponding circumference.
4. membrane pump as claimed in claim 1, is characterized in that, in described swing armBoth sides are provided with the elastomer for absorbing the rotary inertia of swing arm in the time that swing puts in place, described bulletThe elastic characteristic of gonosome is curve more than secondary.
5. membrane pump as claimed in claim 3, is characterized in that, described elastomer isBall, oval ball, cylinder, cylindroid or semicircular silica gel part or rubber parts.
6. membrane pump as claimed in claim 1, is characterized in that, outside U-shaped yokeOn the motion track of side and the first permanent magnet and/or the 4th permanent magnet, be provided with for detection of firstPut in place the Hall element of state of permanent magnet or the 4th permanent magnet, described Hall element and control circuitConnect.
7. membrane pump as claimed in claim 1, is characterized in that, also comprises resonance bombProperty part, described resonance elastic component one end is fixed on the fulcrum of swing arm, and the other end is connected to outer armOr on inner arm.
8. membrane pump as claimed in claim 1, is characterized in that, described outer arm hasPower efferent, described power efferent has arc outer wall, and described barrier film pull bar has with power defeatedThe groove that goes out portion's coupling, described power efferent is arranged in described groove.
9. membrane pump as claimed in claim 1, is characterized in that, described fluid cavity isTwo, described barrier film pull bar is arranged on the centre of two fluid cavitys, when barrier film pull bar left and rightWhen swing, push successively two fluid cavitys.
10. a power spraye, is characterized in that, comprises feed liquor assembly, fluid assemblyWith the membrane pump as described in claim 1-9 any one, described feed liquor assembly and fluid enter logicalRoad is communicated with and is provided with the first check valve of control fluid one-way flow, described fluid assembly and streamBody passing away is communicated with, and is provided with the second check valve of controlling fluid one-way flow; Described enterLiquid assembly comprises fluid reservoir and feed tube, and described feed tube connects fluid reservoir and fluid admission passageLogical; Described fluid assembly comprises drain pipe, switch valve and shower nozzle, described drain pipe and fluid rowGo out channel connection, described shower nozzle is communicated with drain pipe, and described switch valve is arranged on drain pipe.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610095338.9A CN105610296B (en) | 2016-02-19 | 2016-02-19 | Diaphragm pump and power spraye |
| PCT/CN2016/112182 WO2017140180A1 (en) | 2016-02-19 | 2016-12-26 | Diaphragm pump and electric sprayer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610095338.9A CN105610296B (en) | 2016-02-19 | 2016-02-19 | Diaphragm pump and power spraye |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105610296A true CN105610296A (en) | 2016-05-25 |
| CN105610296B CN105610296B (en) | 2018-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610095338.9A Active CN105610296B (en) | 2016-02-19 | 2016-02-19 | Diaphragm pump and power spraye |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105610296B (en) |
| WO (1) | WO2017140180A1 (en) |
Cited By (7)
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| WO2017140180A1 (en) * | 2016-02-19 | 2017-08-24 | 胡建坤 | Diaphragm pump and electric sprayer |
| WO2017140178A1 (en) * | 2016-02-19 | 2017-08-24 | 胡建坤 | Electric grinder |
| CN107742967A (en) * | 2017-09-20 | 2018-02-27 | 丁士来 | Magneto half-wave oxygen increasing pump |
| WO2018195725A1 (en) * | 2017-04-24 | 2018-11-01 | 胡建坤 | Simulated organ and control method therefor |
| WO2018195726A1 (en) * | 2017-04-24 | 2018-11-01 | 胡建坤 | Control method for oscillating motor and oscillating motor |
| CN112383205A (en) * | 2020-09-03 | 2021-02-19 | 杭州六感科技有限公司 | Magnetic suction type swing shovel |
| CN112510957A (en) * | 2020-12-25 | 2021-03-16 | 诺非(北京)技术有限公司 | Automatic aligning connection structure of swing driving device |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2017140180A1 (en) | 2017-08-24 |
| CN105610296B (en) | 2018-09-07 |
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