CN105173249A - Low-temperature and normal-voltage plasma sealed package sterilization device and application thereof - Google Patents
Low-temperature and normal-voltage plasma sealed package sterilization device and application thereof Download PDFInfo
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- CN105173249A CN105173249A CN201510474518.3A CN201510474518A CN105173249A CN 105173249 A CN105173249 A CN 105173249A CN 201510474518 A CN201510474518 A CN 201510474518A CN 105173249 A CN105173249 A CN 105173249A
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- voltage
- low temperature
- sealed package
- normal atmosphere
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B55/00—Preserving, protecting or purifying packages or package contents in association with packaging
- B65B55/02—Sterilising, e.g. of complete packages
- B65B55/12—Sterilising contents prior to, or during, packaging
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- Mechanical Engineering (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The invention discloses a low-temperature and normal-voltage plasma sealed package sterilization device and application thereof. The low-temperature and normal-voltage plasma sealed package sterilization device comprises a low-temperature and normal-voltage plasma processing chamber and a high-voltage alternating current power supply. The electric supply is input into the high-voltage alternating current power supply. The low-temperature and normal-voltage plasma processing chamber is connected with the high-voltage alternating current power supply through a cable. The high-voltage alternating current power supply comprises a boosting transformer, a voltage regulator, a millampere meter and a high-voltage voltmeter. The boosting transformer, the voltage regulator and the high-voltage voltmeter are connected to the electric supply in parallel. The millampere meter is connected between the boosting transformer and the high-voltage voltmeter. The output of the high-voltage voltmeter is connected with the low-temperature and normal-voltage plasma processing chamber. According to the low-temperature and normal-voltage plasma sealed package sterilization device, harmful bacteria and microorganisms on the surfaces of food or agricultural products in a sealed package can be killed, the food safety can be improved, the food shelf life can be prolonged, fresh agricultural products can be processed, the agricultural products and food with the package can be directly sterilized without the need of opening the package, and the low-temperature and normal-voltage plasma sealed package sterilization device is convenient to use, reliable and high in processing efficiency.
Description
Technical field
The present invention relates to a kind of sealed package chlorination equipment, especially relate to a kind of low temperature normal atmosphere plasma sealed package chlorination equipment and uses thereof.
Background technology
In the fresh provisions course of processing, be usually difficult to bacterium and the residues of pesticides of removing food surface.Research both domestic and external shows, low temperature normal atmosphere plasma can kill bacteria and germ and the residual agricultural chemicals of surface of agricultural products of can effectively degrading.Such low temperature normal atmosphere plasma sealed package chlorination equipment is processed at fresh provisions, and food packaging applications has good application.
A lot of research both domestic and external all proves that low temperature normal atmosphere plasma can the organic compound such as sterilized Sum decomposition agricultural chemicals, multiplex in production line operation environment.But currently available technology is not applied in food processing, the application of food packaging applications has no report.
Summary of the invention
In order to solve Problems existing in background technology, the object of the present invention is to provide a kind of low temperature normal atmosphere plasma sealed package chlorination equipment and uses thereof, being intended to improve foodsafety and foodstuff processing efficiency.The present invention's utilization produces low temperature normal atmosphere plasma and carries out sterilization to the fresh provisions in packaging and far products in sealed package, realizes extending Food Shelf-life, improves the effect of food security.
The technical solution adopted in the present invention is:
The present invention includes low temperature normal atmosphere plasma process chamber and high-voltage ac power, civil power is input in high-voltage ac power, low temperature normal atmosphere plasma process chamber is connected with high-voltage ac power by cable, and high-voltage ac power comprises step-up transformer, pressure regulator, milliampere amperemeter/ammtr and high-tension voltmeter; Step-up transformer, pressure regulator and high-tension voltmeter are connected in parallel on civil power, are connected with a milliampere amperemeter/ammtr between step-up transformer and high-tension voltmeter, and high-tension voltmeter exports and connects low temperature normal atmosphere plasma process chamber.
Far products is placed in low temperature normal atmosphere plasma process chamber, and described device carries out sterilization Sum decomposition remains of pesticide by producing plasma in sealed package to the food in sealed package.The mode of sealed package sterilization of the present invention puts into low temperature normal atmosphere plasma process chamber by with seal-packed far products or food, can produce low temperature normal atmosphere plasma thus kill the bacterium of food surface in seal-packed inside and food surface.
The mouth of pressure regulator is connected with the primary coil of step-up transformer by cable, and high-tension voltmeter is connected in parallel on step-up transformer secondary two ends, and step-up transformer secondary two ends are connected with the aluminum plate electrodes in described low temperature normal atmosphere plasma process chamber.
Low temperature normal atmosphere plasma process chamber comprises the electrode gap adjust bar process chamber electrode that be mounted opposite parallel with being connected to electrode gap adjust bar two ends, and the size of low temperature normal atmosphere plasma process chamber is regulated by electrode gap adjust bar; Process chamber electrode comprises aluminum plate electrodes and polyfluortetraethylene plate, and polyfluortetraethylene plate is positioned at the inner side of aluminum plate electrodes, the outside connecting electrode gap adjustment bar of aluminum plate electrodes.
Electrode gap adjust bar comprises L-type tooth bar, L-type support, holding screw and adjusting knob, the tooth bar L-type support portion of L-type tooth bar one end inserts in one end of L-type support, the L-type support sidepiece be connected with L-type tooth bar is provided with adjusting knob, adjusting knob is that gear structure engages with L-type tooth bar, adjusting knob in L-type support plays the effect regulating L-type tooth bar and L-type support relative position, and holding screw is arranged on L-type support sidepiece and stretches into L-type support for being compressed by L-type tooth bar.L-type tooth bar is respectively connected a process chamber electrode with the other end of L-type support.Just the gap of electrode can be regulated in the reasonable scope by regulating adjusting knob and tightening holding screw.
Aluminum plate electrodes and polyfluortetraethylene plate rounded and sticked together by glue and be in same axle center.
The purposes of apparatus of the present invention is decomposition of sterilization for food in sealed package and remains of pesticide.
Apparatus of the present invention, by producing plasma by the killing bacteria of the fresh provisions put into wherein or surface of agricultural products, also have certain decomposition remains of pesticide effect simultaneously.
The beneficial effect that the present invention has is:
Apparatus of the present invention are killed by producing the germ of low temperature normal atmosphere plasma to fresh provisions and surface of agricultural products in sealed package, so both ensure that in packaging remainingly can not have bacterium, the bacterium outside packaging just can be stoped to enter food surface contaminated food products owing to not needing to open sealed package simultaneously, ensure that bactericidal effect; Meanwhile, low temperature normal atmosphere plasma also has the ability of the organic compounds such as decomposing pesticide, thus improves foodsafety further.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is low temperature normal atmosphere plasma process chamber schematic diagram.
Fig. 3 is electrode gap adjust bar structural representation.
Fig. 4 is enforcement schematic diagram of the present invention.
In figure: 1, low temperature normal atmosphere plasma process chamber, 11, process chamber electrode, 12, electrode gap adjust bar, 111, aluminum plate electrodes, 112, polyfluortetraethylene plate, 12, electrode gap adjust bar, 121, L-type tooth bar, 122, L-type support, 123, holding screw, 124, adjusting knob, 2, food or fresh produce, 3, high-voltage ac power, 31, step-up transformer, 32, pressure regulator, 33, milliampere amperemeter/ammtr, 34, high-tension voltmeter.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in Figure 1, the present invention includes low temperature normal atmosphere plasma process chamber 1 and high-voltage ac power 3,220V civil power is input in high-voltage ac power 3, low temperature normal atmosphere plasma process chamber 1 is connected with high-voltage ac power 3 by cable, and high-voltage ac power 3 comprises step-up transformer 31, pressure regulator 32, milliampere amperemeter/ammtr 33 and high-tension voltmeter 34; Step-up transformer 31, pressure regulator 32 and high-tension voltmeter 34 are connected in parallel on 220V civil power, are connected with milliampere amperemeter/ammtr 33 between step-up transformer 31 and high-tension voltmeter 34, and high-tension voltmeter 34 exports and connects low temperature normal atmosphere plasma process chamber 1.
Food or fresh produce 2 are placed in low temperature normal atmosphere plasma process chamber 1, and described device carries out sterilization Sum decomposition remains of pesticide by producing plasma in sealed package to the food in sealed package.The mode of sealed package sterilization of the present invention puts into low temperature normal atmosphere plasma process chamber 1 by with seal-packed far products or food, can produce low temperature normal atmosphere plasma thus kill the bacterium of food surface in seal-packed inside and food surface.
The mouth of pressure regulator 32 is connected by the primary coil of cable with step-up transformer 31, and high-tension voltmeter 34 is connected in parallel on step-up transformer 31 secondary two ends, and step-up transformer 31 secondary two ends are connected with the aluminum plate electrodes in described low temperature normal atmosphere plasma process chamber 1.
As shown in Figure 2, low temperature normal atmosphere plasma process chamber 1 comprises the electrode gap adjust bar 12 process chamber electrode 11 that be mounted opposite parallel with being connected to electrode gap adjust bar 12 two ends, and the size of low temperature normal atmosphere plasma process chamber 1 is regulated by electrode gap adjust bar 12; Process chamber electrode 11 comprises aluminum plate electrodes 111 and polyfluortetraethylene plate 112, and polyfluortetraethylene plate 112 is positioned at the inner side of aluminum plate electrodes 111, the outside connecting electrode gap adjustment bar 12 of aluminum plate electrodes 111.
As shown in Figure 3, electrode gap adjust bar 12 comprises L-type tooth bar 121, L-type support 122, holding screw 123 and adjusting knob 124, the tooth bar L-type support 122 of L-type tooth bar 121 one end is inserted in one end of L-type support 122, L-type support 122 sidepiece be connected with L-type tooth bar 121 is provided with adjusting knob 124, adjusting knob 124 engages with L-type tooth bar 121 for gear structure, adjusting knob 124 in L-type support 122 plays the effect regulating L-type tooth bar 121 and L-type support 122 relative position, holding screw 123 is arranged on L-type support 122 sidepiece and stretches into L-type support 122 for being compressed by L-type tooth bar 121.L-type tooth bar 121 is respectively connected a process chamber electrode 11 with the other end of L-type support 122.Just the gap of electrode can be regulated in the reasonable scope by regulating adjusting knob 124 and tightening holding screw 123.
Aluminum plate electrodes 111 is rounded and sticked together by glue and be in same axle center with polyfluortetraethylene plate 112.
The purposes of apparatus of the present invention is decomposition of sterilization for food in sealed package and remains of pesticide.
Principle of work of the present invention and concrete implementation process as follows:
Wrapped for band food or far products are put into low temperature normal atmosphere plasma process chamber 1, because the electrical resistivity of food or fresh produce 2 is lower relative to surrounding air, and will far above two aluminum plate electrodes 111, far products and two aluminum plate electrodes 111 of the air in such low temperature normal atmosphere plasma process chamber 1 and band packaging can form the electric capacity with uneven specific inductance capacity, it is that gas around far products (gas in air or packaging) first ionization can form plasma that alternating-current voltage/AC voltage when between two aluminum plate electrodes 111 reaches certain value, these are that the gas of plasma state can be had an effect with the bacterium of surface of agricultural products or remains of pesticide etc., thus reach do not open packaging just to the object that food or fresh produce carry out disinfection.
As shown in Figure 4, be the operating diagram of apparatus of the present invention.The far products 2 of sterilization will be needed directly to put into low temperature normal atmosphere plasma process chamber 1, by regulating electrode gap adjust bar 12 and output voltage, adapting to the size of different far products and producing the plasma of close intensity.
Size by detecting electric current in concrete enforcement estimates the intensity producing low temperature normal atmosphere plasma.
As can be seen here, apparatus of the present invention kill by producing the germ of low temperature normal atmosphere plasma to food surface in sealed package, ensure that in packaging remainingly can not have bacterium, do not need to open sealed package and the bacterium outside packaging just can be stoped to enter food surface contaminated food products and far products ensure that bactericidal effect; Meanwhile, the organic compounds such as low temperature normal atmosphere plasma decomposing pesticide improve foodsafety, have outstanding significant technique effect.
Above-mentioned detailed description of the invention is used for explaining and the present invention is described, instead of limits the invention, and in the protection domain of spirit of the present invention and claim, any amendment make the present invention and change, all fall into protection scope of the present invention.
Claims (6)
1. a low temperature normal atmosphere plasma sealed package chlorination equipment, it is characterized in that: comprise low temperature normal atmosphere plasma process chamber (1) and high-voltage ac power (3), 220V civil power is input in high-voltage ac power (3), low temperature normal atmosphere plasma process chamber (1) is connected with high-voltage ac power (3) by cable, and high-voltage ac power (3) comprises step-up transformer (31), pressure regulator (32), milliampere amperemeter/ammtr (33) and high-tension voltmeter (34); Step-up transformer (31), pressure regulator (32) and high-tension voltmeter (34) are connected in parallel on 220V civil power, be connected with a milliampere amperemeter/ammtr (33) between step-up transformer (31) and high-tension voltmeter (34), high-tension voltmeter (34) exports and connects low temperature normal atmosphere plasma process chamber (1).
2. a kind of low temperature normal atmosphere plasma sealed package chlorination equipment according to claim 1, is characterized in that: described device carries out sterilization Sum decomposition remains of pesticide by producing plasma in sealed package to the fresh provisions in sealed package or far products.
3. a kind of low temperature normal atmosphere plasma sealed package chlorination equipment according to claim 1, it is characterized in that: the mouth of described pressure regulator (32) is connected by the primary coil of cable with step-up transformer (31), high-tension voltmeter (34) is connected in parallel on step-up transformer (31) secondary two ends, and step-up transformer (31) secondary two ends are connected with the aluminum plate electrodes in described low temperature normal atmosphere plasma process chamber (1).
4. a kind of low temperature normal atmosphere plasma sealed package chlorination equipment according to claim 1, it is characterized in that: described low temperature normal atmosphere plasma process chamber (1) comprises electrode gap adjust bar (12) the process chamber electrode (11) that be mounted opposite parallel with being connected to electrode gap adjust bar (12) two ends, process chamber electrode (11) comprises aluminum plate electrodes (111) and polyfluortetraethylene plate (112), polyfluortetraethylene plate (112) is positioned at the inner side of aluminum plate electrodes (111), outside connecting electrode gap adjustment bar (12) of aluminum plate electrodes (111),
Described electrode gap adjust bar (12) comprises L-type tooth bar (121), L-type support (122), holding screw (123) and adjusting knob (124), tooth bar L-type support (122) portion of L-type tooth bar (121) one end inserts in one end of L-type support (122), L-type support (122) sidepiece be connected with L-type tooth bar (121) is provided with adjusting knob (124), adjusting knob (124) engages with L-type tooth bar (121) for gear structure, holding screw (123) is arranged on L-type support (122) sidepiece and stretches into L-type support (122) for being compressed by L-type tooth bar (121).
5. a kind of low temperature normal atmosphere plasma sealed package chlorination equipment according to claim 1, is characterized in that: described aluminum plate electrodes (111) and polyfluortetraethylene plate (112) are rounded and sticked together by glue and be in same axle center.
6. a purposes for low temperature normal atmosphere plasma sealed package chlorination equipment, is characterized in that: the arbitrary device of described Claims 1 to 5 to be used in sealed package fresh provisions or the sterilization of far products and the decomposition of remains of pesticide.
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CN201510474518.3A CN105173249A (en) | 2015-08-05 | 2015-08-05 | Low-temperature and normal-voltage plasma sealed package sterilization device and application thereof |
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CN201510474518.3A CN105173249A (en) | 2015-08-05 | 2015-08-05 | Low-temperature and normal-voltage plasma sealed package sterilization device and application thereof |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107148139A (en) * | 2017-05-22 | 2017-09-08 | 苏州屹润食品科技有限公司 | A kind of cold sterilization excitation apparatus of high voltage electric field low temperature plasma |
CN109221373A (en) * | 2018-11-13 | 2019-01-18 | 苏州屹润食品科技有限公司 | A kind of packaging betel nut high voltage electric field low temperature plasma sterilization method |
CN112843277A (en) * | 2020-12-31 | 2021-05-28 | 大连理工大学 | Self-adaptive cargo size channel type plasma killing system |
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WO1997039165A1 (en) * | 1996-04-16 | 1997-10-23 | Medical Discoveries, Inc. | System and method for carrying out sterilization |
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CN103028127A (en) * | 2012-12-24 | 2013-04-10 | 西安交通大学 | Device for sterilizing medical equipment through low-temperature plasma under atmospheric pressure |
CN103619712A (en) * | 2011-05-09 | 2014-03-05 | 奥唑尼卡有限公司 | Disinfection of packaged articles |
CN104126641A (en) * | 2014-07-18 | 2014-11-05 | 南京农业大学 | High-voltage field plasma and nano photocatalysis synergistic sterilizing and preserving method for fresh meat |
CN104770946A (en) * | 2015-04-16 | 2015-07-15 | 湖州福泽鞋业有限公司 | Shoemaking shoe rack with adjustable height |
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2015
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Patent Citations (9)
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WO1997039165A1 (en) * | 1996-04-16 | 1997-10-23 | Medical Discoveries, Inc. | System and method for carrying out sterilization |
CN1450917A (en) * | 2000-03-23 | 2003-10-22 | 株式会社和门麦迪泰克 | Plasma disinfection system |
CN2746712Y (en) * | 2004-03-18 | 2005-12-14 | 中国科学院微电子研究所 | Normal pressure low temperature cold plasma discharge channel device |
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CN103619712A (en) * | 2011-05-09 | 2014-03-05 | 奥唑尼卡有限公司 | Disinfection of packaged articles |
CN202364766U (en) * | 2011-12-28 | 2012-08-08 | 南京翰纳科技有限公司 | Device for refreshing fruits and vegetables by diffusing plasma under normal temperature and normal pressure |
CN103028127A (en) * | 2012-12-24 | 2013-04-10 | 西安交通大学 | Device for sterilizing medical equipment through low-temperature plasma under atmospheric pressure |
CN104126641A (en) * | 2014-07-18 | 2014-11-05 | 南京农业大学 | High-voltage field plasma and nano photocatalysis synergistic sterilizing and preserving method for fresh meat |
CN104770946A (en) * | 2015-04-16 | 2015-07-15 | 湖州福泽鞋业有限公司 | Shoemaking shoe rack with adjustable height |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107148139A (en) * | 2017-05-22 | 2017-09-08 | 苏州屹润食品科技有限公司 | A kind of cold sterilization excitation apparatus of high voltage electric field low temperature plasma |
CN109221373A (en) * | 2018-11-13 | 2019-01-18 | 苏州屹润食品科技有限公司 | A kind of packaging betel nut high voltage electric field low temperature plasma sterilization method |
CN112843277A (en) * | 2020-12-31 | 2021-05-28 | 大连理工大学 | Self-adaptive cargo size channel type plasma killing system |
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Application publication date: 20151223 |