CN115498844A - Linear oscillation motor pump based on magnetic structure and linear reciprocating motion method thereof - Google Patents
Linear oscillation motor pump based on magnetic structure and linear reciprocating motion method thereof Download PDFInfo
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- CN115498844A CN115498844A CN202211168520.4A CN202211168520A CN115498844A CN 115498844 A CN115498844 A CN 115498844A CN 202211168520 A CN202211168520 A CN 202211168520A CN 115498844 A CN115498844 A CN 115498844A
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- 230000033001 locomotion Effects 0.000 title claims abstract description 26
- 230000010355 oscillation Effects 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000004804 winding Methods 0.000 claims abstract description 36
- 239000007788 liquid Substances 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 4
- 230000005674 electromagnetic induction Effects 0.000 claims description 3
- 230000000737 periodic effect Effects 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 claims description 2
- 230000006698 induction Effects 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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- 239000003208 petroleum Substances 0.000 description 1
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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
- H02K33/18—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets
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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
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
- F04B17/04—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors using solenoids
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Abstract
The invention discloses a linear oscillation motor pump based on a magnetic structure and a linear reciprocating motion method thereof, wherein the linear oscillation motor pump comprises a shell, a stator, a rotor and a one-way valve; the rotor comprises a shaft core, a piston rod, a first permanent magnet and a second permanent magnet; the stator comprises an enameled coil winding, a fixing ring, a coil fixing frame and a magnetic yoke. According to the invention, the permanent magnet I and the permanent magnet II which are in arc-shaped sheet shapes and have the same structure and are only different in magnetizing directions are matched, so that the guiding effect on the magnetic field is realized, the magnetic field in the linear motor can be transmitted between the permanent magnet I and the permanent magnet II, each permanent magnet I and two permanent magnets II which are adjacent in the axial direction form a closed magnetic loop, the Halbach magnetic ring structure is replaced, the functions of reducing the magnetic field loss and improving the magnetic induction intensity can be realized, the processing difficulty of the permanent magnet I and the permanent magnet II is greatly reduced, and the processing cost is greatly saved.
Description
Technical Field
The invention belongs to the technical field of electromagnetism, and particularly relates to a linear oscillation motor pump based on a magnetic structure and a linear reciprocating motion method thereof.
Background
The traditional linear reciprocating motion is realized by mainly driving a crank connecting rod mechanism through a motor to convert rotary motion into linear reciprocating motion, but the mode can generate larger friction loss, has lower transmission efficiency and poor mechanical reliability and can produce larger noise; therefore, with the development of technology, the linear motor becomes the first choice for realizing the linear motion mode. The existing linear motor abandons the traditional crank link mechanism, is a motor which directly converts electric energy into magnetic energy and then converts the magnetic energy into mechanical energy, can realize linear motion, has the basic principle similar to the traditional rotating motor, is composed of a stator and a rotor, has simple structure, realizes linear reciprocating motion between the stator and the rotor through the magnetic energy, does not involve too much mechanical transmission, has simple internal stress environment and greatly reduces lateral force and friction force compared with the traditional structure.
With the development of the petroleum industry, the requirements of the linear motor pump are higher and higher, and the linear motor pump is developed towards the directions of high output pressure, high flow, convenience in manufacturing and maintenance, small volume, small weight and the like. The linear motor pump is used as the core of the whole hydraulic system, and the thrust and the efficiency of the linear motor pump can be directly influenced by the arrangement design of a stator and a rotor, the design of a winding and the like of the linear motor pump; the arrangement of the magnets on the rotor and the magnetic field generated by the magnets can influence the linear reciprocating motion of the rotor, and the material of the shaft core of the rotor can also influence the magnetic field, so that the influence of the material of the shaft core on the magnetic field is reduced, and the linear motor pump efficiency is improved; at present, magnets on a rotor are arranged more frequently in a Halbach magnetic ring structure, and the Halbach magnetic ring structure can play a good role in guiding a magnetic field, so that the magnetic field can not pass through a shaft core, and the magnetic field keeps high strong magnetism; however, the magnet based on the Halbach magnetic ring structure is expensive in manufacturing cost, high in production cost and high in acquisition difficulty, so that the manufacturing cost of the linear motor pump is greatly increased; therefore, aiming at the defects of the existing linear motor pump, a linear motor pump which can improve the magnetic utilization efficiency, has a reliable structure and is efficient is urgently needed.
Disclosure of Invention
In order to solve the problems, the invention provides a linear oscillation motor pump based on a magnetic structure and a linear reciprocating motion method thereof, wherein a Halbach magnetic ring structure is replaced by matching a permanent magnet I and a permanent magnet II, and the functions of reducing magnetic field loss and improving magnetic induction intensity are realized, so that the working efficiency of a linear motor is improved.
The technical scheme adopted by the invention is as follows:
the invention relates to a linear oscillation motor pump based on a magnetic structure, which comprises a direct current motor and a one-way valve; the direct current motor comprises a shell, a stator and a rotor; two ends of the shell are respectively fixed with the two piston cavities; the stator and the rotor are both arranged in the shell; the rotor comprises a shaft core, a piston rod, a first permanent magnet and a second permanent magnet; two ends of the shaft core are respectively and fixedly connected with the two piston rods; the two piston rods are coaxially arranged, and each piston rod and the shell form a sliding pair; each piston rod extends into a corresponding piston cavity; the first permanent magnet and the second permanent magnet are both arc-shaped sheets and are both fixed with the shaft core; one end of the first permanent magnet, which faces the circle center, is an S pole, the other end of the first permanent magnet is an N pole, one end of the second permanent magnet, which faces the circle center, is an N pole, and the other end of the second permanent magnet is an S pole; the n permanent magnets I are arranged at equal intervals along the circumferential direction of the shaft core to form a permanent magnet ring group I, and n is more than or equal to 3; the n permanent magnets II are arranged at equal intervals along the circumferential direction of the shaft core to form a permanent magnet ring group II; m +1 permanent magnet ring groups I and m permanent magnet ring groups II are arranged at equal intervals along the axial direction of the shaft core, wherein m is more than or equal to 2; and a permanent magnet ring group II is arranged between every two adjacent permanent magnet ring groups I.
The stator comprises an enameled coil winding, a fixing ring, a coil fixing frame and a magnetic yoke; a magnetic yoke is arranged between each first permanent magnet ring group and the shell, and a magnetic yoke is also arranged between each second permanent magnet ring group and the shell; the magnet yoke is annular and fixedly connected with the inner wall surface of the shell; each two adjacent magnetic yokes surround a coil mounting groove; a fixing ring is fixed in each coil mounting groove; the fixing ring is provided with an integrally formed coil fixing frame; an enameled coil winding is fixed on each coil fixing frame; each enameled coil winding is connected with a power supply, and the current directions of two adjacent enameled coil windings are opposite.
The one-way valve comprises a valve body, a valve core, a first spring and a retainer ring; the check ring is fixedly connected with the inner wall surface of the valve body; the valve core and the valve body form a sliding pair and are connected with the retainer ring through a spring I. Two piston cavities at two ends of the shell are respectively connected with one interface of the two three-way joints; the other two interfaces of each three-way joint are respectively connected with one ends of the two straight-through joints; and in the two through joints positioned at the same end of the shell, the other end of one through joint is connected with the valve body input port of one-way valve, and the other end of the other through joint is connected with the valve body output port of the other one-way valve.
Preferably, the shell is formed by fixing two opposite parts.
Preferably, two ends of the housing are fixed with a guiding copper sleeve, and the two guiding copper sleeves and the two piston rods form sliding pairs respectively.
More preferably, each guiding copper sleeve is connected with one end of one spring II; each second spring is sleeved on one piston rod, and the other end of each second spring is fixed with the corresponding piston rod.
Preferably, a spacing ring is arranged between each adjacent first permanent magnet ring set and each adjacent second permanent magnet ring set, and the first permanent magnet ring set and the second permanent magnet ring set are fixed with the shaft core through the spacing rings.
More preferably, a spacer is arranged between each two adjacent first permanent magnets in the same first permanent magnet ring set and between each two adjacent second permanent magnets in the same second permanent magnet ring set.
More preferably, the spacer blocks are made of non-magnetic materials.
The invention relates to a linear reciprocating motion method of a linear oscillation motor pump based on a magnetic structure, which comprises the following steps:
starting each power supply to supply power to each enameled coil winding, wherein the current directions introduced by adjacent enameled coil windings are opposite, so that each enameled coil winding generates electromagnetic induction, each permanent magnet I and two permanent magnets II which are adjacent in the axial direction form a closed magnetic loop, and under the action of homopolar repulsion and heteropolar attraction, magnetic force generated by each enameled coil winding drives a rotor consisting of each permanent magnet I, each permanent magnet II, an axial core and a piston rod to slide towards one end of a shell; when the current direction of the power supply for supplying power to each enameled coil winding is changed, the magnetic poles generated by each enameled coil winding are changed, so that the rotor slides to the other end of the shell; when the current direction in each enameled coil winding is periodically changed, the rotor can periodically perform linear reciprocating motion in the shell; in the periodic linear reciprocating motion process of the rotor, one-way valve at the end of the rotor in the motion direction discharges gas or liquid under the action of pressure difference, one-way valve at the other end sucks gas or liquid under the action of pressure difference, and the other two one-way valves are in an unactivated state.
Preferably, a plurality of linear oscillation motor pumps based on magnetic structures work in parallel, one-way valves with outward output ports of the linear oscillation motor pumps based on the magnetic structures are connected with the driven hydraulic parts, and one-way valves with inward output ports of the linear oscillation motor pumps based on the magnetic structures are connected with the medium storage tank.
The invention has the beneficial effects that:
1. according to the invention, the permanent magnet I and the permanent magnet II which are in arc-shaped sheet shapes and have the same structure and are only different in magnetizing directions are matched, so that the guiding effect on the magnetic field is realized, the magnetic field in the linear motor can be transmitted between the permanent magnet I and the permanent magnet II, each permanent magnet I and two permanent magnets II which are adjacent in the axial direction form a closed magnetic loop, the Halbach magnetic ring structure is replaced, the functions of reducing the magnetic field loss and improving the magnetic induction intensity can be realized, and the working efficiency of the linear motor is further improved. And the arc sheet shape of the first permanent magnet and the second permanent magnet and the different structural style of the partially charged magnetic polarity of the inner arc and the outer arc are compared with the Halbach magnetic ring structure, the processing difficulty is greatly reduced, and therefore the processing cost is greatly saved.
2. The magnetic yoke is annular as a whole, and only one enameled coil winding is arranged in the coil mounting groove surrounded by every two adjacent magnetic yokes, so that the stator disclosed by the invention is simple in structure and convenient to process.
3. The invention can adopt multi-stage parallel operation, can improve the working efficiency and the fault resistance, meets the industrial requirements on a high-flow and high-pressure hydraulic system, and has better applicability in industrial production.
4. The shaft core can be made of a light-weight high-strength non-magnetic-conductive material, so that the mass of the rotor is greatly reduced, and the magnetic loss caused by the fact that a magnetic field penetrates through the shaft core can be avoided.
Drawings
FIG. 1 is a cross-sectional view of the overall construction of the present invention;
FIG. 2 is an enlarged view of portion A-A of FIG. 1;
FIG. 3 is a schematic view of a first permanent magnet and a spacing block arranged at intervals along the circumferential direction;
FIG. 4 is a schematic diagram of the multi-stage joint operation of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
The linear oscillation motor pump based on the magnetic structure comprises a direct current motor and a one-way valve, as shown in figures 1, 2 and 3; the direct current motor comprises a shell 10, a stator and a rotor; two ends of the shell 10 are respectively fixed with the two piston cavities 7; the stator and the rotor are both arranged in the shell 10; the rotor comprises a shaft core 13, a piston rod 8, a permanent magnet I22 and a permanent magnet II 23; two ends of the shaft core 13 are respectively and fixedly connected with the two piston rods 8; the two piston rods 8 are coaxially arranged, and each piston rod 8 and the shell 10 form a sliding pair; each piston rod 8 extends into a corresponding piston cavity 7; the first permanent magnet 22 and the second permanent magnet 23 are both arc-shaped sheets and are both fixed with the shaft core 13; one end of the first permanent magnet 22 facing the center of the circle is an S pole (the color part is not filled in the figure 1), the other end of the first permanent magnet is an N pole (the black part is filled in the figure 1), one end of the second permanent magnet 23 facing the center of the circle is an N pole, and the other end of the second permanent magnet is an S pole; the n permanent magnets I22 are arranged along the circumferential direction of the shaft core 13 at equal intervals to form a permanent magnet ring group I, wherein n is more than or equal to 3; the n second permanent magnets 23 are arranged at equal intervals along the circumferential direction of the shaft core to form a second permanent magnet ring group; m +1 permanent magnet ring groups I and m permanent magnet ring groups II are arranged at equal intervals along the axial direction of the shaft core 13, wherein m is more than or equal to 2; a second permanent magnet ring group is arranged between every two adjacent first permanent magnet ring groups; the magnetic lines of force of the adjacent permanent magnets one 22 and two 23 which are aligned in the circumferential direction form a closed magnetic loop.
The stator comprises an enameled coil winding 15, a fixed ring 17, a coil fixing frame 16 and a magnetic yoke 14; a magnetic yoke 14 is arranged between each first permanent magnet ring group and the shell 10, and a magnetic yoke 14 is also arranged between each second permanent magnet ring group and the shell 10; the yoke 14 is annular as a whole and is fixedly connected to the inner wall surface of the housing 10; each two adjacent magnetic yokes 14 surround a coil mounting groove; a fixing ring 17 is fixed in each coil mounting groove; the fixing ring 17 is provided with an integrally formed coil fixing frame 16; each coil fixing frame 16 is fixed with an enameled coil winding 15; each enameled coil winding 15 is connected with a power supply, and the current directions of two adjacent enameled coil windings 15 are opposite. Wherein, the power supply can be connected with the controller through the relay and controlled by the controller.
As shown in fig. 1, the check valve comprises a valve body 3, a valve core 4, a first spring 5 and a retainer ring 2; the retainer ring 2 is fixedly connected with the inner wall surface of the valve body 3; the valve core 4 and the valve body 3 form a sliding pair and are connected with the retainer ring 2 through a spring I5. Two piston cavities 7 at two ends of the shell 10 are respectively connected with one interface of the two three-way joints 1; the other two interfaces of each three-way joint 1 are respectively connected with one ends of two straight-through joints 6; and the other end of one of the two through joints 6 positioned at the same end of the shell 10 is connected with the valve body input port of one check valve, and the other end of the other through joint 6 is connected with the valve body output port of the other check valve.
As a preferred embodiment, the shell 10 is formed by connecting two opposite parts through a bolt I11 and a nut I12; the detachable structure of the housing 10 facilitates the installation and replacement of the mover with the stator.
As a preferred embodiment, the housing 10 and the piston cavity 7 are fixedly connected through a second bolt 9.
As a preferred embodiment, a guiding copper sleeve 21 is fixed at both ends of the housing 10, and the two guiding copper sleeves 21 and the two piston rods 8 respectively form a sliding pair.
As a more preferable embodiment, each guiding copper sleeve 21 is connected with one end of a second spring 20; each second spring 20 is sleeved on one piston rod 8, and the other end of each second spring 20 is fixed with one corresponding piston rod 8; when the shaft core 13 makes a linear reciprocating motion in the housing 10, the second spring 20 can reduce the collision between the shaft core 13 and the housing 10, store elastic potential energy and improve the linear reciprocating motion efficiency of the shaft core 13.
As a preferred embodiment, the shaft core 13 is connected with each piston rod 8 by a plurality of bolts three 19.
As a preferred embodiment, a spacing ring 18 (adopting a non-magnetic conducting material) is arranged between each adjacent first permanent magnet ring set and each adjacent second permanent magnet ring set, and the first permanent magnet ring set and the second permanent magnet ring set are fixed with the shaft core 13 through the spacing rings 18; the spacing ring 18 plays a role in separating and fixing the first permanent magnet ring group and the second permanent magnet ring group.
As a more preferable embodiment, as shown in fig. 3, a spacer 24 is disposed between each two adjacent permanent magnets one 22 in the same permanent magnet ring group one and between each two adjacent permanent magnets two 23 in the same permanent magnet ring group two; the spacing blocks 24 are used for equidistantly separating two adjacent permanent magnets one 22 or two adjacent permanent magnets two 23 of the shaft core 13.
As a more preferable embodiment, the spacing blocks 24 are made of non-magnetic conducting materials, so that the circumferential positions of the adjacent pairs of the permanent magnets 22 and 23 are aligned, and the adjacent pairs of the permanent magnets 22 and the permanent magnets 23 form local closed-loop magnetic induction lines without mutual interference.
In the case of all the above embodiments, the method for the linear reciprocating motion of the linear oscillating motor pump based on the magnetic structure of the present invention specifically includes the following steps:
starting each power supply to supply power to each enameled coil winding 15, wherein the current directions introduced by the adjacent enameled coil windings 15 are opposite, so that each enameled coil winding 15 generates electromagnetic induction, and each permanent magnet one 22 and two axially adjacent permanent magnets two 23 form a closed magnetic loop, as shown in fig. 2, and under the action of homopolar repulsion and heteropolar attraction, the magnetic force generated by each enameled coil winding 15 drives a rotor consisting of each permanent magnet one 22, each permanent magnet two 23, the shaft core 13 and the piston rod 8 to slide towards one end of the shell 10; when the current direction of the power supply for supplying power to each enameled coil winding 15 is changed, the magnetic poles generated by each enameled coil winding 15 are changed, so that the rotor slides to the other end of the shell 10; when the current direction in each enameled coil winding 15 is periodically changed, the mover can periodically make a linear reciprocating motion in the housing 10; in the periodic linear reciprocating motion process of the rotor, one-way valve at the end of the rotor in the motion direction discharges gas or liquid under the action of pressure difference, one-way valve at the other end sucks gas or liquid under the action of pressure difference, and the other two one-way valves are in an unactivated state; as shown in fig. 1, when the mover moves to the right, the external gas or liquid pushes open the valve core 4 in the check valve located at the upper left, enters the straight joint 6 connected to the check valve, and further enters the left three-way joint 1, and the valve core 4 in the check valve located at the lower right is pushed open to discharge the gas or liquid; when the rotor moves towards the left side, external gas or liquid jacks up the valve core 4 in the one-way valve positioned at the upper right, enters the straight-through joint 6 connected with the one-way valve and further enters the right three-way joint 1, and the valve core 4 in the one-way valve positioned at the lower left is jacked up to discharge the gas or liquid; when two one-way valves with outward output ports at two ends of the shell 10 are connected with the driven hydraulic part and the other two one-way valves are connected with the medium storage tank (when the medium is air, the two one-way valves are not connected), the linear oscillation motor pump based on the magnetic structure can realize the movement of the driven hydraulic part.
As a preferred embodiment, as shown in fig. 4, a plurality of linear oscillating motor pumps based on magnetic structures are operated in parallel, the one-way valve with the outward output port of each linear oscillating motor pump based on magnetic structures is connected with the driven hydraulic part, and the one-way valve with the inward output port of each linear oscillating motor pump based on magnetic structures is connected with the medium storage tank; the parallel operation can improve the working efficiency of the linear oscillating motor pump, improve the fault resistance and meet the industrial requirements on a high-flow and high-pressure hydraulic system.
Claims (9)
1. The linear oscillation motor pump based on the magnetic structure comprises a direct current motor and a one-way valve; the direct current motor comprises a shell, a stator and a rotor; two ends of the shell are respectively fixed with the two piston cavities; the stator and the rotor are both arranged in the shell; the method is characterized in that: the rotor comprises a shaft core, a piston rod, a first permanent magnet and a second permanent magnet; two ends of the shaft core are respectively and fixedly connected with the two piston rods; the two piston rods are coaxially arranged, and each piston rod and the shell form a sliding pair; each piston rod extends into a corresponding piston cavity; the first permanent magnet and the second permanent magnet are both arc-shaped sheets and are both fixed with the shaft core; one end of the first permanent magnet, which faces the circle center, is an S pole, the other end of the first permanent magnet is an N pole, one end of the second permanent magnet, which faces the circle center, is an N pole, and the other end of the second permanent magnet is an S pole; the n permanent magnets I are arranged at equal intervals along the circumferential direction of the shaft core to form a permanent magnet ring group I, and n is more than or equal to 3; the n permanent magnets II are arranged at equal intervals along the circumferential direction of the shaft core to form a permanent magnet ring group II; m +1 permanent magnet ring groups I and m permanent magnet ring groups II are arranged along the axial direction of the shaft core at equal intervals, and m is more than or equal to 2; a permanent magnet ring group II is arranged between every two adjacent permanent magnet ring groups I;
the stator comprises an enameled coil winding, a fixing ring, a coil fixing frame and a magnetic yoke; a magnetic yoke is arranged between each first permanent magnet ring group and the shell, and a magnetic yoke is also arranged between each second permanent magnet ring group and the shell; the magnet yoke is annular and fixedly connected with the inner wall surface of the shell; each two adjacent magnetic yokes surround a coil mounting groove; a fixing ring is fixed in each coil mounting groove; the fixing ring is provided with an integrally formed coil fixing frame; an enameled coil winding is fixed on each coil fixing frame; each enameled coil winding is connected with a power supply, and the current directions of two adjacent enameled coil windings are opposite;
the one-way valve comprises a valve body, a valve core, a first spring and a retainer ring; the check ring is fixedly connected with the inner wall surface of the valve body; the valve core and the valve body form a sliding pair and are connected with the check ring through a first spring; two piston cavities at two ends of the shell are respectively connected with one interface of the two three-way joints; the other two interfaces of each three-way joint are respectively connected with one ends of the two straight-through joints; and in the two through joints positioned at the same end of the shell, the other end of one through joint is connected with the valve body input port of one-way valve, and the other end of the other through joint is connected with the valve body output port of the other one-way valve.
2. The linear oscillating motor pump based on a magnetic structure of claim 1, wherein: the shell is formed by fixing two opposite parts.
3. The linear oscillating motor pump based on a magnetic structure of claim 1, wherein: two ends of the shell are both fixed with a guide copper sleeve, and the two guide copper sleeves and the two piston rods respectively form a sliding pair.
4. The linear oscillating motor pump based on a magnetic structure of claim 3, wherein: each guide copper sleeve is connected with one end of one spring II; each second spring is sleeved on one piston rod, and the other end of each second spring is fixed with the corresponding piston rod.
5. The linear oscillating motor pump based on a magnetic structure according to any one of claims 1 to 4, wherein: and a spacing ring is arranged between each adjacent permanent magnet ring group I and each adjacent permanent magnet ring group II, and the permanent magnet ring group I and the permanent magnet ring group II are fixed with the shaft core through the spacing rings.
6. The linear oscillating motor pump based on magnetic structure of claim 5, characterized in that: and spacing blocks are arranged between every two adjacent permanent magnets in the same permanent magnet ring group I and between every two adjacent permanent magnets in the same permanent magnet ring group II.
7. The linear oscillating motor pump based on a magnetic structure of claim 6, wherein: the spacing block is made of non-magnetic materials.
8. The linear reciprocating method of a linear oscillating motor pump based on a magnetic structure as claimed in claim 7, wherein: the method comprises the following specific steps:
each power supply is started to supply power to each enameled coil winding, the current directions introduced by the adjacent enameled coil windings are opposite, each enameled coil winding generates electromagnetic induction, each permanent magnet I and two permanent magnets II which are axially adjacent form a closed magnetic loop, and under the action of homopolar repulsion and heteropolar attraction, magnetic force generated by each enameled coil winding drives a rotor consisting of each permanent magnet I, each permanent magnet II, a shaft core and a piston rod to slide to one end of a shell; when the current direction of the power supply for supplying power to each enameled coil winding is changed, the magnetic poles generated by each enameled coil winding are changed, so that the rotor slides to the other end of the shell; when the current direction in each enameled coil winding is periodically changed, the rotor can periodically perform linear reciprocating motion in the shell; in the periodic linear reciprocating motion process of the rotor, one-way valve at the end of the rotor in the motion direction discharges gas or liquid under the action of pressure difference, one-way valve at the other end sucks gas or liquid under the action of pressure difference, and the other two one-way valves are in an unactivated state.
9. The linear reciprocating method of a linear oscillating motor pump based on a magnetic structure as claimed in claim 8, wherein: the linear oscillation motor pumps based on the magnetic structures are connected in parallel for operation, one-way valves with outward output ports of the linear oscillation motor pumps based on the magnetic structures are connected with the driven hydraulic part, and one-way valves with inward output ports of the linear oscillation motor pumps based on the magnetic structures are connected with the medium storage tank.
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| CN202211168520.4A CN115498844A (en) | 2022-09-24 | 2022-09-24 | Linear oscillation motor pump based on magnetic structure and linear reciprocating motion method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211168520.4A CN115498844A (en) | 2022-09-24 | 2022-09-24 | Linear oscillation motor pump based on magnetic structure and linear reciprocating motion method thereof |
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| CN116146454A (en) * | 2023-03-01 | 2023-05-23 | 北京派瑞华氢能源科技有限公司 | Gas pressurizing system adopting linear motor to directly drive ionic liquid |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116146454A (en) * | 2023-03-01 | 2023-05-23 | 北京派瑞华氢能源科技有限公司 | Gas pressurizing system adopting linear motor to directly drive ionic liquid |
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