CN111820355B - Device for generating electromagnetic field in specific area - Google Patents
Device for generating electromagnetic field in specific area Download PDFInfo
- Publication number
- CN111820355B CN111820355B CN202010711516.2A CN202010711516A CN111820355B CN 111820355 B CN111820355 B CN 111820355B CN 202010711516 A CN202010711516 A CN 202010711516A CN 111820355 B CN111820355 B CN 111820355B
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- Prior art keywords
- magnetic core
- sample container
- electromagnetic field
- sample
- specific area
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- 230000005672 electromagnetic field Effects 0.000 title claims abstract description 18
- 229910001289 Manganese-zinc ferrite Inorganic materials 0.000 claims description 3
- 229910001053 Nickel-zinc ferrite Inorganic materials 0.000 claims description 3
- KGWWEXORQXHJJQ-UHFFFAOYSA-N [Fe].[Co].[Ni] Chemical compound [Fe].[Co].[Ni] KGWWEXORQXHJJQ-UHFFFAOYSA-N 0.000 claims description 3
- JIYIUPFAJUGHNL-UHFFFAOYSA-N [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Mn++].[Mn++].[Mn++].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Zn++].[Zn++] Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Mn++].[Mn++].[Mn++].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Zn++].[Zn++] JIYIUPFAJUGHNL-UHFFFAOYSA-N 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 5
- 239000006072 paste Substances 0.000 abstract description 5
- 239000007787 solid Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000001954 sterilising effect Effects 0.000 description 21
- 238000004659 sterilization and disinfection Methods 0.000 description 21
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- -1 gaseous Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
- A23L3/32—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with electric currents without heating effect
Landscapes
- Health & Medical Sciences (AREA)
- Nutrition Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The invention discloses a device for generating an electromagnetic field in a specific area, which relates to the technical field of food industry. The device of the invention generates the electromagnetic field by the way that the electromagnetic coil comprises the magnetic core, and can conveniently adjust the electromagnetic field on the premise of not influencing the sample container, so that the electromagnetic field has high-efficiency and controllable effect on the sample. And can efficiently and controllably sterilize solid, liquid, paste and gaseous samples.
Description
Technical Field
The invention relates to the technical field of food industry, in particular to a device for generating an electromagnetic field in a specific area.
Background
At present, sterilization modes adopted in the domestic and foreign food industry can be mainly divided into two types: heat sterilization and non-heat sterilization. Heat sterilization is a more traditional and well-established sterilization method. Modern food non-heat sterilization techniques mainly include: ultrahigh pressure sterilization, irradiation sterilization, pulsed electric field sterilization, pulsed strong light sterilization, pulsed magnetic field sterilization, ultraviolet sterilization, titanium dioxide photocatalysis sterilization technology, and the like. The high and new sterilization technology not only can ensure the safety of food in terms of microorganisms, but also can better maintain the natural nutritional ingredients, color, texture and freshness of the food, and greatly reduces the energy consumption compared with the heat sterilization. The pulsed electromagnetic field sterilization technology has shown good development prospect in the food and pharmaceutical industry in recent years, and mainly comprises pulsed electric field sterilization and pulsed magnetic field sterilization.
At present, researches on electromagnetic field sterilization are mostly in researches on sterilization mechanism, reports on carriers which can be used in laboratories and even industrial production are few, and at present, experiments generally place samples in a magnetic field generated by a magnet, the magnetic field control capability is relatively weak, the sample treatment is inconvenient, and the treatment efficiency is low.
Disclosure of Invention
The embodiment of the invention provides a device for generating an electromagnetic field in a specific area, which adopts an electromagnet to control the size of the magnetic field and can solve the problems in the prior art.
The invention provides a device for generating an electromagnetic field in a specific area, which comprises a magnetic core, a sample container and an electromagnetic coil, wherein the electromagnetic coil is sleeved outside the magnetic core and the sample container, and the magnetic core is inserted inside the sample container or arranged outside the sample container.
Preferably, the sample container is sleeved outside the magnetic core, at this time, the magnetic core is called an inner magnetic core, the inner magnetic core is of a columnar structure, one or more grooves are formed in the outer side surface of the inner magnetic core, the grooves are horizontal or inclined, and the sample container is located in the grooves.
Preferably, the sample container is a flat plate-shaped sample placement table, which is horizontally placed in the groove.
Preferably, the sample container is a helical conduit and the groove is a helical groove, the sample container being wound in the groove.
Preferably, the sample container is sleeved outside the magnetic core, at this time, the magnetic core is called an inner magnetic core, the inner magnetic core is in a columnar structure, and the sample container is a spiral conduit, which is wound outside the inner magnetic core.
Preferably, the magnetic core is tubular, the tubular magnetic core being referred to as an outer magnetic core, the outer magnetic core being sleeved outside the sample container.
Preferably, the outer core is a cylindrical hollow tube structure.
Preferably, the sample container is a spiral conduit.
Preferably, an internal magnetic core is also inserted into the sample container.
Preferably, the magnetic core is made of iron cobalt nickel and its alloys, manganese-zinc ferrite or nickel-zinc ferrite.
The device for generating the electromagnetic field in the specific area has the beneficial effects that:
the electromagnetic field can be conveniently adjusted on the premise of not influencing the sample container, so that the electromagnetic field has high-efficiency and controllable effect on the sample. And can sterilize solid, liquid, paste and gaseous samples with high efficiency and controllability.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view showing the structure of an internal magnetic core and a sample container in accordance with the first embodiment;
FIG. 2 is a schematic view of the structure of the device in the first embodiment;
FIG. 3 is a schematic diagram of a device in a second embodiment;
FIG. 4 is a schematic view of the apparatus in the third embodiment;
FIG. 5 is a schematic view of the structure of the device in the fourth embodiment;
FIG. 6 is a schematic view showing the structure of an external magnetic core and a sample container in a fifth embodiment;
FIG. 7 is a schematic view of the structure of the device in the fifth embodiment;
fig. 8 is a schematic structural view of the device in the sixth embodiment.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a device for generating an electromagnetic field in a specific area, which comprises a magnetic core, a sample container and an electromagnetic coil, wherein the electromagnetic coil is sleeved outside the magnetic core and the sample container, the magnetic core is inserted inside the sample container or arranged outside the sample container, the magnetic core is called an inner magnetic core when the magnetic core is inserted inside the sample container, and the magnetic core is called an outer magnetic core when the magnetic core is arranged outside the sample container.
As shown in fig. 1 and 2, the inner magnetic core 100 has a cylindrical structure, and a plurality of grooves 110 are formed in a side surface of the inner magnetic core, and the sample container is positioned in the grooves 110. The sample container may be a flat sample placing table or a spiral conduit, and when the sample container is a spiral conduit, the groove 110 is a spiral groove, and the spiral conduit is wound in the groove 110.
When the electromagnetic coil 200 is energized with a dc, ac or pulse current, an electromagnetic field is generated inside the electromagnetic coil 200, and according to the ampere loop theorem of the magnetic field and the boundary conditions, the magnetic field strength at the groove 110 is far greater than the magnetic field strength inside the internal magnetic core 100, so that the groove 110 has a larger magnetic field strength, and the sample in the sample container can obtain a better sterilization effect under the magnetic field environment.
As shown in fig. 3, the inner core 100 has a cylindrical structure, and the sample container 300 is a spiral pipe wound around the outer portion of the inner core 100. The spiral sample container 300 can increase the action time of the sample and the magnetic field, and the sample container 300 can be connected with flowing liquid or paste samples, so that the method is more suitable for industrial production.
As shown in fig. 4, the number of the outer cores 400 is two, and each of them has a plate-like structure, and the two outer cores 400 sandwich the sample container 300. The sample container 300 may have any shape such as a spiral shape or a plate shape.
As shown in fig. 5, on the basis of the apparatus of fig. 3, the sample container 300 has a spiral tube shape, and the inner core 100 is inserted into the sample container 300, so that the sample container 300 is sandwiched between the inner core 100 and the outer core 400.
As shown in fig. 6 and 7, the external magnetic core 400 is a hollow tube, which is sleeved on the outside of the sample container 300, and the sample container 300 may have any shape such as a spiral shape, a plate shape, etc.
As shown in fig. 8, on the basis of the apparatus of fig. 7, the sample container 300 has a spiral tube shape, and the inner core 100 is inserted into the sample container 300, so that the sample container 300 is sandwiched between the inner core 100 and the outer core 400.
In the form of the above-described device, when the sample container 300 is a spiral-shaped conduit, the sample inside thereof may be solid, gaseous, liquid or paste. When the sample container 300 is a plate-shaped sample placing stage, the sample inside the sample container may be solid, gas, liquid or paste.
The magnetic core 100 is made of a material having high magnetic permeability, such as iron-cobalt-nickel and its alloys, manganese-zinc ferrite, nickel-zinc ferrite, and the like.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (2)
1. The device for generating the electromagnetic field in the specific area is characterized by comprising a magnetic core, a sample container and an electromagnetic coil, wherein the electromagnetic coil is sleeved outside the magnetic core and the sample container, and the magnetic core is inserted inside the sample container or arranged outside the sample container;
the magnetic core is tubular, the tubular magnetic core is called an external magnetic core, and the external magnetic core is sleeved outside the sample container; the external magnetic core is of a cylindrical hollow tube structure; the sample container is a spiral conduit; an internal magnetic core is inserted into the sample container;
or the sample container is sleeved outside the magnetic core, at this time, the magnetic core is called an inner magnetic core, the inner magnetic core is of a columnar structure, one or more grooves are formed in the outer side surface of the inner magnetic core, the grooves are horizontal or inclined, and the sample container is positioned in the grooves; the sample container is a flat sample placing table which is horizontally placed in the groove; or the sample container is a spiral conduit, the groove is a spiral groove, and the sample container is wound in the groove.
2. A device for generating an electromagnetic field in a specific area as defined in claim 1, wherein the magnetic core is made of iron cobalt nickel and its alloys, manganese-zinc ferrite or nickel-zinc ferrite.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010711516.2A CN111820355B (en) | 2020-07-22 | 2020-07-22 | Device for generating electromagnetic field in specific area |
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CN202010711516.2A CN111820355B (en) | 2020-07-22 | 2020-07-22 | Device for generating electromagnetic field in specific area |
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CN111820355A CN111820355A (en) | 2020-10-27 |
CN111820355B true CN111820355B (en) | 2024-01-23 |
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CN202010711516.2A Active CN111820355B (en) | 2020-07-22 | 2020-07-22 | Device for generating electromagnetic field in specific area |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN200953824Y (en) * | 2006-08-23 | 2007-10-03 | 赵富玲 | Alternative electromagnetic sterilizer |
CN103859550A (en) * | 2014-03-19 | 2014-06-18 | 北京银河之舟环保科技有限公司 | Device and method for processing food by utilizing high-voltage pulse sensing current |
CN207566954U (en) * | 2017-09-30 | 2018-07-03 | 付军伟 | Sterilize magnetic strength body device in a kind of tandem high-frequency impulse magnetic field |
CN207570120U (en) * | 2017-09-30 | 2018-07-03 | 付军伟 | Sterilize magnetic strength body device in a kind of high-frequency impulse magnetic field |
CN209740785U (en) * | 2019-03-12 | 2019-12-06 | 中山市共智新能源科技有限公司 | Magnetization sterilizing equipment and domestic appliance |
-
2020
- 2020-07-22 CN CN202010711516.2A patent/CN111820355B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN200953824Y (en) * | 2006-08-23 | 2007-10-03 | 赵富玲 | Alternative electromagnetic sterilizer |
CN103859550A (en) * | 2014-03-19 | 2014-06-18 | 北京银河之舟环保科技有限公司 | Device and method for processing food by utilizing high-voltage pulse sensing current |
CN207566954U (en) * | 2017-09-30 | 2018-07-03 | 付军伟 | Sterilize magnetic strength body device in a kind of tandem high-frequency impulse magnetic field |
CN207570120U (en) * | 2017-09-30 | 2018-07-03 | 付军伟 | Sterilize magnetic strength body device in a kind of high-frequency impulse magnetic field |
CN209740785U (en) * | 2019-03-12 | 2019-12-06 | 中山市共智新能源科技有限公司 | Magnetization sterilizing equipment and domestic appliance |
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CN111820355A (en) | 2020-10-27 |
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