CN115013284A - Electromagnetic control device - Google Patents
Electromagnetic control device Download PDFInfo
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- CN115013284A CN115013284A CN202210600046.1A CN202210600046A CN115013284A CN 115013284 A CN115013284 A CN 115013284A CN 202210600046 A CN202210600046 A CN 202210600046A CN 115013284 A CN115013284 A CN 115013284A
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- Prior art keywords
- electromagnetic
- cavity
- control device
- piston
- electromagnetic control
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Classifications
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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
- 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
- F04B35/045—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 using solenoids
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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
- 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
- F04B39/0005—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 adaptations of pistons
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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
- 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
- F04B39/10—Adaptations or arrangements of distribution members
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
An embodiment of the present application provides an electromagnetic control device, including: the mounting body is provided with an electromagnetic cavity extending along a first direction, and an air inlet valve and an air outlet valve which are communicated with the electromagnetic cavity; the magnetic suction piston is movably arranged in the electromagnetic cavity along the first direction and moves along the first direction to change the compression volume of the electromagnetic cavity; the electromagnetic device is arranged on the periphery of the electromagnetic cavity body relative to the first direction and is electrically connected with the electromagnetic device; and the control device controls the electromagnetic device to drive the magnetic suction piston to reciprocate along the first direction. In the electromagnetic control device that this application embodiment provided, the piston that will control the change of electromagnetism cavity compression volume unites two into one with the power device who drives the piston motion, simple structure, and required spare part is few, and is with low costs, and transmission efficiency is high. But also has the advantages of convenient sealing, low noise and the like.
Description
Technical Field
The embodiment of the application relates to the technical field of fluid control equipment, in particular to an electromagnetic control device.
Background
An air compressor is a device for compressing gas, and is constructed similarly to a water pump. The compressors can be classified into reciprocating pistons, rotary vanes or rotary screws according to the working principle.
At present, the compressor widely used in industry needs to be driven by a motor, and has the disadvantages of complex structure, high cost and low transmission efficiency.
Disclosure of Invention
In view of the above, an object of the embodiments of the present application is to provide an electromagnetic control device.
In a first aspect, an embodiment of the present application provides an electromagnetic control apparatus, including:
the mounting body is provided with an electromagnetic cavity extending along a first direction, and an air inlet valve and an air outlet valve which are communicated with the electromagnetic cavity;
the magnetic suction piston is movably arranged in the electromagnetic cavity along the first direction and moves along the first direction to change the compression volume of the electromagnetic cavity;
the electromagnetic device is arranged on the periphery of the electromagnetic cavity body relative to the first direction and is electrically connected with the electromagnetic device;
and the control device controls the electromagnetic device to drive the magnetic suction piston to reciprocate along the first direction.
In the electromagnetic control device that this application embodiment provided, the piston that will control the change of electromagnetism cavity compression volume unites two into one with the power device who drives the piston motion, simple structure, and required spare part is few, and is with low costs, and transmission efficiency is high. But also has the advantages of convenient sealing, low noise and the like.
In a possible embodiment, the magnetically attracted piston includes a permanent magnet portion made of a permanent magnetic material and having magnetic properties, and the permanent magnet portion and the electromagnetic device generate a magnetic acting force.
In a possible embodiment, the magnetically attracting piston is provided with first and second permanent magnet portions of opposite magnetic polarity alternately along the first direction.
In a possible embodiment, a spacer is arranged between the magnetic piston and the inside of the electromagnetic cavity, and the spacer is made of a non-magnetic material.
In a possible embodiment, the magnetically attracted piston comprises a ferromagnetic part made of ferromagnetic material and capable of generating a magnetic force with the electromagnetic device.
In a possible embodiment, the air inlet valve is a one-way valve which is in one-way conduction along the direction of flowing into the electromagnetic cavity; the exhaust valve is a one-way valve which is in one-way conduction along the direction of flowing out of the electromagnetic cavity.
In a possible embodiment, the electromagnetic cavity is divided into a first cavity and a second cavity by the magnetic piston, and the electromagnetic control device is provided with the intake valve and the exhaust valve communicated with the first cavity, and the intake valve and the exhaust valve communicated with the second cavity.
In a possible embodiment, the electromagnetic cavity is provided with a position induction coil around the periphery of the first direction, and the position induction coil is electrically connected with the control device and mounted on the mounting body.
In a possible embodiment, the electromagnetic device comprises an electromagnetic coil arranged at the periphery of the electromagnetic cavity.
In one possible embodiment, the electromagnetic control device is a liquid pump, a compressor, a pipeline pump, a transfer pump, a vacuum pump.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments or related technologies of the present application, the drawings needed to be used in the description of the embodiments or related technologies are briefly introduced below, it is obvious that the drawings in the following description are only one or more embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a front view of an electromagnetic control apparatus provided in an embodiment of the present application;
FIG. 2 is a side view of the solenoid control device;
fig. 3 is a plan view of the electromagnetic control device.
Description of reference numerals:
1-an installation body, 2-a first air inlet valve, 3-a magnetic suction piston, 4-a piston ring, 5-an electromagnetic cavity, 6-a spacer bush, 7-an electromagnetic device, 8-a second air inlet valve, 9-a second air outlet valve, 10-a first air outlet valve and 11-a controller.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Fig. 1 is a front view of an electromagnetic control device according to an embodiment of the present application, fig. 2 is a side view of the electromagnetic control device, and fig. 3 is a top view of the electromagnetic control device.
Referring to fig. 1 to 3, the electromagnetic control device, which may be a liquid pump, a compressor, a pipeline pump, a transfer pump, or a vacuum pump, includes a mounting body 1, and the mounting body 1 defines an electromagnetic cavity 5 extending along a first direction. Taking the orientation shown in fig. 1 as an example, the first direction is the lateral direction in fig. 1, i.e., the direction between EF in fig. 1. In fig. 1, an end side of the electromagnetic cavity 65 along the left side of the first direction is defined as a first end, and an end side along the right side of the first direction is defined as a second end; the first end corresponds to the position of E in the drawing, and the second end corresponds to the position of F in the drawing.
In this embodiment, the electromagnetic cavity 5 is a cylindrical cavity, and a central axis of the cylindrical cavity is parallel to the first direction.
The electromagnetic control device is provided with a first air inlet valve 2 and a first exhaust valve 10 at the upper and lower positions of a first end respectively, and is provided with a second air inlet valve 8 and a second exhaust valve 9 at the upper and lower positions of a second end respectively; the first air inlet valve 2 and the second air inlet valve 8 are both one-way valves which are communicated in one way along the direction of entering the electromagnetic cavity 5; the first exhaust valve 10 and the second exhaust valve 9 are both one-way valves which are in one-way conduction along the direction of flowing out of the electromagnetic cavity 5.
The magnetic attraction piston 3 can be of a magnetic conduction structure or a non-magnetic conduction structure and can be attracted under the action of a magnet. In a possible embodiment, the magnetically attracted piston 3 is made of permanent magnetic material and is peripherally sleeved with a piston ring 4. The magnetic suction piston 3 is movably arranged in the electromagnetic cavity 5 along the first direction and is of a cylindrical structure matched with the electromagnetic cavity 5. The volume of the electromagnetic cavity 5 can be changed by the magnetic attraction piston 3 moving along the first direction. The magnetic piston 3 disposed in the electromagnetic cavity 5 divides the electromagnetic cavity 5 into two parts, namely a first cavity near the first end and a second cavity near the second end.
The magnetic piston 3 may include a permanent magnetic part having magnetism, and may further include a ferromagnetic part made of a ferromagnetic material, and the ferromagnetic part can be attracted by the magnet. In this embodiment, the magnetically attracting piston 3 includes a first permanent magnet portion and a second permanent magnet portion alternately arranged in a first direction and having opposite magnetic properties.
The magnetic piston 3 disposed in the electromagnetic cavity 5 divides the electromagnetic cavity 5 into two parts, namely a first cavity near the first end and a second cavity near the second end.
In a possible embodiment, the spacer 6 is made of non-magnetic material, and the spacer 6 is a closed space connected with the inner wall of the electromagnetic cavity 5.
The electromagnetic control device is characterized in that an electromagnetic device 7 is arranged on the periphery of the electromagnetic cavity 5 relative to the first direction, the electromagnetic device 7 comprises a plurality of electromagnetic coils sleeved on the periphery of the electromagnetic cavity 5, and the electromagnetic coils can drive the magnetic suction piston 3 to do reciprocating linear motion in the electromagnetic cavity 5 along the first direction after being electrified.
The electromagnetic control device also comprises a control device 11, wherein the control device 11 is electrically connected with the electromagnetic device 7 and controls the electromagnetic device 7 to drive the magnetic suction piston 3 to do reciprocating linear motion in the electromagnetic cavity 5 along the first direction.
In a possible embodiment, the electromagnetic control means further comprise position sensing means for detecting the position of the magnetically attracted piston 3 in the electromagnetic cavity 5. Optionally, the position sensing device is a position sensing coil, and the position sensing coil is sleeved on the periphery of the electromagnetic cavity 5 relative to the first direction, and is used for sensing the position of the magnetic suction piston 3 and also electrically connected with the control device 11. The control device 11 generates a corresponding control command according to the signal of the position induction coil.
The working principle of the electromagnetic control device is as follows:
the electromagnetic device 7 is controlled and electrified through the control device 11, the magnetic suction piston 3 moves linearly from the end E to the end F, the first cavity becomes larger gradually, and fluid is sucked through the first air inlet valve 2; the volume of the second cavity body at the other end is gradually reduced, the fluid in the second cavity body is compressed, the second exhaust valve 9 is opened to discharge the fluid outwards until the volume of the second cavity body becomes the minimum and all the fluid is discharged, the end position is reached, the first cavity body becomes the maximum, and the fluid suction is finished.
The electromagnetic device 7 is controlled to be electrified through the control device 11, the magnetic suction piston 3 starts to move linearly from the end F to the end E, the second cavity becomes larger gradually, and fluid is sucked through the second air inlet valve 8; the volume of the first cavity body at the other end is gradually reduced, the fluid in the first cavity body is compressed, the first exhaust valve 10 is opened to exhaust the fluid outwards until the volume of the first cavity body becomes the minimum and all the fluid is exhausted, the end position is reached, the second cavity body becomes the maximum, and the fluid suction is finished.
The above movements are repeated in sequence, the fluid in the first cavity is compressed to the second cavity ceaselessly, and the fluid in the second cavity is compressed. The fluid is compressed in the first cavity and the second cavity in a reciprocating mode, the channels of the first cavity and the second cavity are very short, and the first cavity and the second cavity are compressed twice respectively, so that the compression efficiency is high.
As can be seen from the above description of the structure and the operation principle, the electromagnetic control device provided in the embodiment of the present application reciprocates once and sucks and discharges fluid twice under the condition that the operation frequency and the volume are the same; the overall structure is simple, so compared with the fluid device with the same flow rate, the volume of the electromagnetic control device provided by the embodiment of the application can be reduced to about 1/2.
It can be seen from the above structure that all the sealing devices of the electromagnetic control device provided by the embodiment of the application are static seals, so that no leakage can be realized; the noise is low, and a higher compression ratio can be obtained when the gas is transmitted and compressed; furthermore, no oil lubrication is required and the fluid is not contaminated by oil.
The electromagnetic control device provided by the embodiment of the application can be made into an anti-corrosion fluid transmission pump, a compressor, a vacuum pump and the like, can be used for pumping corrosive fluid, radioactive fluid, toxic fluid, corrosive fluid and the like, and has important significance.
Therefore, compared with the prior art, the electromagnetic control device provided by the embodiment of the application has the following advantages:
1. the whole mechanism has no dynamic seal, and zero leakage can be realized.
2. The device has no lubricating parts and no oil pollution.
3. The magnetic piston operates in reciprocating mode once, and is sucked and discharged twice, and the volume of the magnetic piston is about 1/2 of a product with the same performance.
4. The structure is closed, and the operation noise is low.
5. The processing cost and the operation cost are reduced by about 70 percent.
6. A higher compression ratio can be obtained than with a piston compressor (vacuum pump).
It can be known from the above description that in the electromagnetic control device provided in the embodiment of the present application, the piston for controlling the compression volume change of the piston cavity and the power device for driving the piston to move are combined into one, the structure is simple, the required parts are few, and the transmission efficiency is high. But also has the advantages of convenient sealing, low noise and the like.
In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless explicitly stated or limited otherwise; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. Specific meanings of the above terms in the embodiments of the present application can be understood as specific cases by those of ordinary skill in the art.
In addition, the technical features mentioned in the different embodiments of the present application can be combined with each other as long as they do not conflict with each other.
So far, the technical solutions of the present application have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present application is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the present application, and the technical scheme after the changes or substitutions will fall into the protection scope of the present application.
Claims (10)
1. An electromagnetic control apparatus, comprising:
the mounting body is provided with an electromagnetic cavity extending along a first direction, and an air inlet valve and an air outlet valve which are communicated with the electromagnetic cavity;
the magnetic suction piston is movably arranged in the electromagnetic cavity along the first direction and moves along the first direction to change the compression volume of the electromagnetic cavity;
the electromagnetic device is arranged on the periphery of the electromagnetic cavity relative to the first direction;
the control device is electrically connected with the electromagnetic device; and controlling the electromagnetic device to drive the magnetic suction piston to reciprocate along the first direction.
2. The electromagnetic control device of claim 1, wherein the magnetically attractive piston comprises a permanent magnet portion made of a permanent magnetic material and having magnetic properties, the permanent magnet portion and the electromagnetic device generating a magnetic force.
3. The electromagnetic control device according to claim 2, wherein the magnetically attracting piston is provided with first and second permanent magnet portions of opposite magnetic polarity alternately in the first direction.
4. The electromagnetic control device of claim 3, wherein a spacer is disposed between the magnetically-attracted piston and the interior of the electromagnetic cavity, and the spacer is made of a non-magnetic material.
5. The electromagnetic control device of claim 1, wherein the magnetically attractive piston includes a ferromagnetic portion formed of a ferromagnetic material and configured to magnetically interact with the electromagnetic device.
6. The electromagnetic control device according to any of claims 1-5, wherein the inlet valve is a one-way valve that is one-way conductive in the direction of flow into the electromagnetic cavity; the exhaust valve is a one-way valve which is in one-way conduction along the direction of flowing out of the electromagnetic cavity.
7. The electromagnetic control apparatus according to claim 6, wherein the electromagnetic cavity is divided into a first cavity and a second cavity by the magnetically attracting piston, the electromagnetic control apparatus being provided with the intake valve and the exhaust valve communicating with the first cavity, and the intake valve and the exhaust valve communicating with the second cavity.
8. The electromagnetic control device of claim 1, wherein the electromagnetic cavity is provided with a position induction coil around an outer circumference of the first direction, the position induction coil being electrically connected to the control device and mounted to the mounting body.
9. The electromagnetic control device according to claim 1, wherein said electromagnetic device comprises an electromagnetic coil disposed at the periphery of said electromagnetic cavity.
10. The electromagnetic control device according to claim 1, wherein said electromagnetic control device is a liquid pump, a compressor, a pipeline pump, a transfer pump, a vacuum pump.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210112407 | 2022-01-29 | ||
| CN2022101124078 | 2022-01-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115013284A true CN115013284A (en) | 2022-09-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210600046.1A Pending CN115013284A (en) | 2022-01-29 | 2022-05-26 | Electromagnetic control device |
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| CN (1) | CN115013284A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4965864A (en) * | 1987-12-07 | 1990-10-23 | Roth Paul E | Linear motor |
| KR19980014791A (en) * | 1996-08-16 | 1998-05-25 | 김성재 | Reciprocating electromagnetic pump |
| CN2445112Y (en) * | 2000-08-03 | 2001-08-29 | 滕征森 | Compressor using permanet magnet straight-line power as internal power |
| CN105332890A (en) * | 2015-11-19 | 2016-02-17 | 沈阳工业大学 | Cylindrical magnetic-suspension permanent magnet linear compressor |
| CN105736305A (en) * | 2016-04-18 | 2016-07-06 | 河南工程学院 | Voltage-adjustable multistage direct-current long-cylinder electromagnetic pump |
| KR20160128790A (en) * | 2015-04-29 | 2016-11-08 | (주)예네 | High Efficiency Reciprocating Piston Electro-Magnetic Pump |
| CN109538441A (en) * | 2018-12-18 | 2019-03-29 | 李维 | Electromagnetic liquid press pump and control method |
| KR20190065904A (en) * | 2017-12-04 | 2019-06-12 | 엄재풍 | A Linear Compressor |
| CN209818241U (en) * | 2018-12-29 | 2019-12-20 | 李志朋 | Magnetic reciprocating piston compressor |
| CN113090495A (en) * | 2021-03-30 | 2021-07-09 | 中国科学院力学研究所 | Piston type expansion compressor based on electromagnetic induction and application method and system |
| CN113153685A (en) * | 2021-02-03 | 2021-07-23 | 李冀湘 | Motor-free compressor |
| CN113464398A (en) * | 2021-08-16 | 2021-10-01 | 青岛腾远设计事务所有限公司 | Electromagnetic double-acting reciprocating pump |
| 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 |
-
2022
- 2022-05-26 CN CN202210600046.1A patent/CN115013284A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4965864A (en) * | 1987-12-07 | 1990-10-23 | Roth Paul E | Linear motor |
| KR19980014791A (en) * | 1996-08-16 | 1998-05-25 | 김성재 | Reciprocating electromagnetic pump |
| CN2445112Y (en) * | 2000-08-03 | 2001-08-29 | 滕征森 | Compressor using permanet magnet straight-line power as internal power |
| KR20160128790A (en) * | 2015-04-29 | 2016-11-08 | (주)예네 | High Efficiency Reciprocating Piston Electro-Magnetic Pump |
| CN105332890A (en) * | 2015-11-19 | 2016-02-17 | 沈阳工业大学 | Cylindrical magnetic-suspension permanent magnet linear compressor |
| CN105736305A (en) * | 2016-04-18 | 2016-07-06 | 河南工程学院 | Voltage-adjustable multistage direct-current long-cylinder electromagnetic pump |
| KR20190065904A (en) * | 2017-12-04 | 2019-06-12 | 엄재풍 | A Linear Compressor |
| CN109538441A (en) * | 2018-12-18 | 2019-03-29 | 李维 | Electromagnetic liquid press pump and control method |
| CN209818241U (en) * | 2018-12-29 | 2019-12-20 | 李志朋 | Magnetic reciprocating piston compressor |
| CN113153685A (en) * | 2021-02-03 | 2021-07-23 | 李冀湘 | Motor-free compressor |
| CN113090495A (en) * | 2021-03-30 | 2021-07-09 | 中国科学院力学研究所 | Piston type expansion compressor based on electromagnetic induction and application method and system |
| CN113464398A (en) * | 2021-08-16 | 2021-10-01 | 青岛腾远设计事务所有限公司 | Electromagnetic double-acting reciprocating pump |
| 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 |
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