KR20160127927A - Electromagnetic air compressor - Google Patents

Electromagnetic air compressor Download PDF

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Publication number
KR20160127927A
KR20160127927A KR1020150059422A KR20150059422A KR20160127927A KR 20160127927 A KR20160127927 A KR 20160127927A KR 1020150059422 A KR1020150059422 A KR 1020150059422A KR 20150059422 A KR20150059422 A KR 20150059422A KR 20160127927 A KR20160127927 A KR 20160127927A
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KR
South Korea
Prior art keywords
center
air
cylinders
parallel
electromagnetic
Prior art date
Application number
KR1020150059422A
Other languages
Korean (ko)
Inventor
임주생
Original Assignee
임주생
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 임주생 filed Critical 임주생
Priority to KR1020150059422A priority Critical patent/KR20160127927A/en
Priority to PCT/KR2015/006054 priority patent/WO2016175375A1/en
Publication of KR20160127927A publication Critical patent/KR20160127927A/en

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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
    • F04B25/00—Multi-stage pumps
    • 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
    • F04B25/00—Multi-stage pumps
    • F04B25/005—Multi-stage pumps with two cylinders
    • 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
    • F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • 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
    • F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/005—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders with two cylinders
    • 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
    • F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
    • 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
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • 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
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06—Control using electricity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Compressor (AREA)

Abstract

The present invention relates to an electromagnetic air compressor applied with a parallel inverter circuit. The electromagnetic air compressor applied with a parallel inverter circuit includes: hollow first and second cylinders (11, 12) arranged to be parallel in an axial direction; first and second pistons (13, 14) having magnets (15, 16) with different polarities and installed to linearly move by being individually in contact with the cylinders (11, 12); a first center body (21) and a second center body (22) tightly inserted between the first and second cylinders (11, 12) by facing the first and second cylinders (11, 12); and an electromagnetic unit (32) coaxially inserted between the first and second center bodies (21, 22) and having a magnetic force between the magnets (15, 16), wherein the electromagnetic unit (32) is located between the magnets (15, 16). The electromagnetic unit comprises a center bush (35) and a conducting wire (34) wound on the center bush (35). A U shape of one end of the center bush (35), which is bent to the inner side, is formed to be parallel to be adjacent to each other. A piston reciprocates along an inner wall of the cylinder by the magnetic force between the magnet and the electromagnetic unit so that compressed air is generated. An air pressure from a low pressure to a high pressure is generated by efficient use of an attractive force and a repulsive force formed between the piston and a center rod, and the air of the high pressure can be produced in multiple stages. An electromagnet is arranged in parallel, and the parallel inverter circuit unit is used. Therefore, the efficiency of the electromagnet is improved. Therefore, the electromagnetic air compressor can improve energy conversion efficiency in comparison with an existing invention by minimizing and optimizing an air system.

Description

[0001] Electromagnetic air compressor using parallel inverter circuit [0002]

The present invention relates to an electromagnetic air compressor for compressing air to generate high-pressure compressed air, and more specifically, an inverter circuit is connected in parallel to arrange electromagnet coil portions in parallel and to transfer electric power for driving them .

Generally, a compressor is divided into a refrigerant compressor for compressing a predetermined refrigerant to form a high-temperature and high-pressure state, and an air compressor for compressing air to form compressed air.

Among them, the air compressor is constituted as a compressor main body of a system which stores the generated compressed air at a high air pressure and supplies the compressed air to the actuator if necessary. The system includes a compressor main body for generating compressed air, And an air tank, and is used in various fields such as factories and vehicles to which an air system is applied.

As is known, there are various types of air compressors, typically rotary type and piston type.

The rotary type air compressor is configured to be capable of transporting air by the rotation of the rotor without a valve for suction and discharge of air, and is suitable for use when a small flow rate and high pressure are required, It is easy to handle.

The piston type air compressor is configured to suck and discharge air by the reciprocating motion of the piston, and generates compressed air in the order of suction, compression, and exhaust, and is relatively superior in performance to other air compressors.

Such conventional rotary type and piston type air compressors use oil to prevent mechanical friction and improve airtight performance, and there is a problem that oil dust is mixed in compressed air discharged due to the oil, thereby lowering air cleanliness.

In order to solve this problem, the applicant has filed a patent application No. 10-2013-0134345, but there is a need for a method capable of doubling the compressive force by increasing the efficiency of the electromagnet.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the problems described above, and it is an object of the present invention to provide a method and an apparatus for generating compressed air by periodically changing the polarity of a center rod by electromagnetic repetition of repulsive force and repulsive force acting between a piston and a center rod, An object of the present invention is to provide an electromagnetic air compressor in which the shape of an electromagnet is changed and arranged in parallel, and the efficiency of the electromagnet is increased by utilizing the parallel inverter circuit portion.

The present invention is characterized by comprising: a hollow first cylinder (11) and a second cylinder (12) arranged in parallel in the axial direction; A first piston (13) and a second piston (14) having magnets (15, 16) of different polarities and installed linearly movably in contact with the cylinders (11, 12); A first center body 21 and a second center body 22 which are hermetically inserted into contact with the first and second cylinders 11 and 12; And is inserted coaxially between the first and second center bodies 21 and 22. When power is supplied, a magnetic force is formed between the first and second center bodies 21 and 22 and the magnets 15 and 16, Wherein the electromagnet portion is composed of a center bush 35 and a conductor 34 wound around the center bush 35. The center bush 35 is formed in a shape of a U- Wherein the piston reciprocates along the inner wall of the cylinder by magnetic force between the magnet and the electromagnetic portion to generate compressed air.

And an inverter circuit portion for controlling the current flowing in the wires of the center bushes arranged in parallel in parallel.

The electromagnetic air compressor according to the present invention has the following advantages.

According to the present invention, it is possible to produce air pressure from a low pressure to a high pressure through efficient use of attractive force and repulsive force formed between the piston and the center rod, and to produce high-pressure air over multiple stages, It is possible to increase the efficiency of the electromagnet, thereby increasing the energy conversion efficiency compared with the conventional one through miniaturization and optimization of the air system.

Further, the present invention improves the air cleanliness by not using the lubricating oil used to prevent mechanical friction in the conventional air compressor, and a separate filtering system is not required.

1 is a perspective view of an electromagnetic air compressor according to an embodiment of the present invention;
Fig. 2 is a cross-sectional view taken along the line II-II in Fig. 1
3 and 4 are diagrams showing an operating state of the electromagnetic air compressor according to the embodiment of the present invention.
5 is a cross-sectional view of a partial structure showing only an electromagnet and a permanent magnet of an electromagnetic air compressor according to an embodiment of the present invention
6 is an enlarged view of the center bushing, which is a part of the electromagnet of the compressor according to the embodiment of the present invention.
7 is a circuit diagram showing a system including an electromagnetic air compressor according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The electromagnetic air compressor according to the present invention is a reciprocating type air compressor of a piston type. It uses an inverter to change a polarity of an electromagnet through a change of a current circuit, and utilizes a pulling force and a repulsive force generated by a difference in polarity from a permanent magnet And generates high-pressure compressed air by compressing the air with the power source, so that compressed air having various pressures from low pressure to high pressure can be generated.

FIG. 1 is a perspective view of an electromagnetic air compressor according to an embodiment of the present invention, and FIG. 2 is a cross-sectional view taken along line II-II of FIG.

1 and 2, an electromagnetic air compressor 10 according to an embodiment of the present invention includes a hollow first cylinder 11 and a second cylinder 12; A first piston (13) and a second piston (14) inserted and installed linearly movably in contact with the first and second cylinders (11, 12); A first center body 21 and a second center body 22 hermetically installed in contact with each other between the first and second cylinders 11 and 12; An electromagnetic portion 32 coaxially and hermetically inserted between the first and second center bodies 21 and 22; And a first side cover (41) and a second side cover (42) hermetically installed at the outer ends of the first and second cylinders (11, 12).

The first and second cylinders 11 and 12 are formed into a cylindrical shape using a non-magnetic material such as aluminum, and are arranged in parallel to each other with the center bodies 21 and 22 interposed therebetween in the axial direction as shown in FIG. do. The first and second pistons 13 and 14 are provided with magnets 15 and 16 formed of permanent magnets of different polarities and the piston retaining rings 17 and 18 are provided to prevent the magnets 15 and 16 from being separated. Respectively.

In addition, piston o-rings 19 and 20 are provided on the outer peripheral surfaces of the pistons 13 and 14. The piston o-rings 19 and 20 increase the airtight performance between the pistons 13 and 14 and the cylinders 11 and 12.

The electromagnetic portion 32 includes a cylindrical core 33 made of a ferromagnetic material and a conductive wire 34 wound around the core 33. When a current is passed through a conductive wire 34 wound in a cylindrical shape, a magnetic field is formed, The core 33 is magnetized to serve as a magnet.

The electromagnet portion 32 is supported between the first and second cylinders 11 and 12 in a built-in manner between the first and second center bodies 21 and 22 that are airtightly fitted between the first and second cylinders 11 and 12, And the core 33 is magnetized by flowing a current through the conductor 34 to form an attraction force and a repulsive force with the magnets 15 and 16 of the pistons 13 and 14 .

As shown in FIG. 7, an inverter 52 is connected to the electromagnetic portion 32 to convert the direct current power supplied from the direct current power source 51 into alternating-current power, and to transfer and supply the alternating-current power.

The polarity of the core 33 is periodically changed by the alternating current power supplied to the conductor through the inverter 52 so that the attraction force between the magnets 15 and 16 of the pistons 13 and 14 The first and second pistons 13 and 14 reciprocate along the inner wall of each of the cylinders 11 and 12 as shown in Figs. 3 and 4, and the cylinders 11 and 12 The compressed air is generated.

In other words, the inverter 52 periodically changes the polarity of the core 33 of the electromagnet 32.

Compressed air generated in the cylinders 11 and 12 is stored in the air tank 56 through the air separator 54 and the air filter 55 as shown in FIG. 7, and is supplied to the corresponding actuators as required. The actuator performs a mechanical operation using the supplied compressed air to operate the corresponding machine.

In addition, the inverter 52 can change the frequency of the alternating-current power that is controlled and output by the controller 53 connected thereto. By controlling the polarity changing period of the core 33, various types of air pressure Thereby enabling the generation of compressed air having a predetermined pressure.

The electromagnet portion 32 includes a center bush 35 disposed between the lead 34 and the core 33 to insulate the lead 34 from the core 33.

The shape of the center bush 35 of the present invention is a U-shape in which one end is bent inward, and the center bushes are arranged adjacent to each other in parallel. The center bushing is U-shaped and has a bent portion from the lower end to the upper side. The conductor 34 is wound inside the center bush to form an electromagnet. In the present invention, two center bushes are formed in parallel to enhance the efficiency of the electromagnet.

2, the first and second pistons 13 and 14 are integrally connected to each other by a center rod 38 which axially penetrates the core 33 of the electromagnetic portion 32 .

The center rod 38 is integrally connected to the first and second pistons 13 and 14 by press-fitting both ends of the center rod 38 into the upper ends of the first and second pistons 13 and 14, (13, 14) to be stably linearly moved.

The center rod 38 moves along with the pistons 13 and 14 while keeping the airtightness of the cylinders 11 and 12 by the core O ring 36 installed on the inner wall surface of the core 33 .

2, the first and second center bodies 21 and 22 are provided with inlet ports 23 and 25 for introducing and discharging air from the first and second cylinders 11 and 12, , 26 are formed.

The inlet ports 23 and 25 and the outlet ports 24 and 26 are provided with check valves 27 and 28 capable of fluid flow only in one direction (for convenience of illustration, check valves are not shown in the outlet ports 24 and 26) Well). Only the air supplied into the cylinders 11 and 12 flows into the inlet ports 23 and 25 and only the compressed air generated inside the cylinders 11 and 12 is discharged through the outlet ports 24 and 26, , 25 and the inflow of air into the outlets 24, 26 can be prevented.

In the present invention, the air discharged from the discharge ports (24, 26) is supplied again to the compressed and compressed space through the air passages (P1, P2), where it is compressed again to a high pressure. In the present invention, by separately providing a separate compression space in the air compressor itself, multi-stage compression is realized and air is compressed at a high pressure. Then, the air compressed at a high pressure in the pressure-increasing compression space is discharged to the outside through the discharge port (50).

The first and second center bodies 21 and 22 are formed so that one end surface thereof is stepped so as to be insertable into each cylinder, and the center portion thereof is perforated in the axial direction.

The first and second center bodies 21 and 22 are formed in such a manner that a stepped portion is airtightly inserted into one end of each of the cylinders 11 and 12 and the other end faces are opposed to each other, The end portions of the first and second cylinders 11 and 12 are sealed together with the center rod 38 passing through the electromagnetic portion 32 and the electromagnetic portion 32 to be inserted.

Between the center bodies 21 and 22 and the cylinders 11 and 12 and between the center bodies 21 and 22 and the core 33 of the electromagnetic portion 32, 31 and an electromagnet O-ring 37 are mounted.

On the other hand, the other ends of the cylinders 11 and 12, that is, the outer ends of the first and second cylinders 11 and 12 arranged in a line are sealed by the first and second side covers 41 and 42, respectively.

One end face of each of the first and second side covers 41 and 42 is airtightly inserted into the other end of each cylinder 11 and 12 and is coupled by a fastening member 39 such as a long bolt.

At this time, the fastening member 39 passes through the center bodies 21 and 22 from the outside of the cylinders 11 and 12 to connect the first and second side covers 41 and 42, The center bodies 21 and 22 assembled between the cylinders 11 and 12 are supported and fixed.

The first and second side covers 41 and 42 are provided with damper members 43 to 46 for mitigating shocks when the pistons 13 and 14 collide with each other.

Rubber dampers 43 and 44 made of urethane material and magnet dampers 45 and 46 made of a permanent magnet are used as the damper members 43 to 46. Magnet dampers 45 and 46 are used for the dampers 43 and 46, And has the same polarity as the magnets 15 and 16.

The magnet dampers 45 and 46 are inserted into one end face of the side covers 41 and 42. The side covers 41 and 42 are provided with cover snap rings 47 and 47 for preventing the magnet dampers 45 and 46 from separating, 48 are assembled.

The inner covers of the cylinders 11 and 12 (in particular, the space between the side cover and the pistons) are connected to the side covers 41 and 42 through the side covers 41 and 42 when the pistons 13 and 14 are linearly moved. An air filter for air filtration for entering and exiting is provided.

10: electromagnetic air compressor 11: first cylinder
12: second cylinder 13: first piston
14: second piston 15,16: magnet
17, 18: Piston snap ring 19, 20: Piston o-ring
21: first center body 22: second center body
23, 25: Inlet 24, 26: Outlet
27 to 30: Check valve 31: Center body o-ring
32: electromagnet part 33: core
34: lead 35: center bush
36: Core O-ring 37: Electro-O-ring
38: center rod 39: fastening member
41: first side cover 42: second side cover
43, 44: Rubber dampers 45, 46: Magnet damper
47, 48: cover snap ring 50:
51: DC power source 52: Inverter
53: controller 54: air separator
55: air filter 56: air tank

Claims (3)

A hollow first cylinder (11) and a second cylinder (12) arranged in parallel in the axial direction;
A first piston (13) and a second piston (14) having magnets (15, 16) of different polarities and installed linearly movably in contact with the cylinders (11, 12);
A first center body 21 and a second center body 22 which are hermetically inserted into contact with the first and second cylinders 11 and 12;
And is inserted coaxially between the first and second center bodies 21 and 22. When power is supplied, a magnetic force is formed between the first and second center bodies 21 and 22 and the magnets 15 and 16, And an electromagnet portion (32)
The electromagnet portion includes a center bush 35 and a conductor 34 wound around the center bush,
The center bush 35 is reciprocally moved along the inner wall of the cylinder by the magnetic force between the magnet and the electromagnetic portion in a state in which the C-shaped portions whose one ends are inwardly bent are arranged in parallel adjacent to each other, Wherein the air compressor is configured to generate the air.
The method according to claim 1,
Further comprising an inverter circuit portion for controlling in parallel the currents flowing in the conductors of the center bushes arranged in parallel.
The method according to claim 1,
The side covers 41 and 42 are provided with magnet dampers 45 and 46 installed at the center of the side cover so as to face the magnets 15 and 16 and rubber dampers 43 and 44 provided outside the magnet damper ) Is provided to mitigate impact impact of the piston.
KR1020150059422A 2015-04-28 2015-04-28 Electromagnetic air compressor KR20160127927A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020150059422A KR20160127927A (en) 2015-04-28 2015-04-28 Electromagnetic air compressor
PCT/KR2015/006054 WO2016175375A1 (en) 2015-04-28 2015-06-16 Electromagnetic air compressor having parallel inverter circuit applied thereto

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150059422A KR20160127927A (en) 2015-04-28 2015-04-28 Electromagnetic air compressor

Publications (1)

Publication Number Publication Date
KR20160127927A true KR20160127927A (en) 2016-11-07

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Application Number Title Priority Date Filing Date
KR1020150059422A KR20160127927A (en) 2015-04-28 2015-04-28 Electromagnetic air compressor

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WO (1) WO2016175375A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106968924A (en) * 2017-05-20 2017-07-21 上乘精密科技（苏州）有限公司 A kind of two-stage compression cylinder block and preparation method thereof
CN107642474B (en) 2017-09-11 2023-09-29 南通广兴气动设备有限公司 High-sealing secondary high-pressure pump
CN108757384A (en) * 2018-07-02 2018-11-06 青岛天工智造创新科技有限公司 Compression set and compression set control method
CN110242537A (en) * 2019-06-27 2019-09-17 张谭伟 A kind of feed screw nut's air compressor machine
CN111271246A (en) * 2020-02-14 2020-06-12 魏文民 Plunger type fluid compressor
CN113969881A (en) * 2021-11-25 2022-01-25 郑州铁路职业技术学院 Motor-free direct-acting oil-free piston type air compressor
CN116773342B (en) * 2023-06-21 2024-06-04 深圳市艾格林电子有限公司 Integrated circuit chip performance stability analysis device

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Publication number Priority date Publication date Assignee Title
JPH09195934A (en) * 1996-01-18 1997-07-29 Smc Corp Vacuum pump
JP3370653B2 (en) * 2000-01-06 2003-01-27 株式会社テクノ高槻 Electromagnetic vibration pump and its manufacturing method
DE102006007743B4 (en) * 2006-02-20 2016-03-17 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Reciprocating compressor with non-contact gap seal
JP3162420U (en) * 2010-06-18 2010-09-02 株式会社テクノ高槻 Electromagnetic vibration pump with frequency and voltage conversion function
KR101384226B1 (en) * 2012-12-27 2014-04-14 재단법인 전북자동차기술원 Electromagnetic air compressor

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