CN103203033A - Electromagnetic sterilizer and application thereof - Google Patents
Electromagnetic sterilizer and application thereof Download PDFInfo
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- CN103203033A CN103203033A CN2013100817304A CN201310081730A CN103203033A CN 103203033 A CN103203033 A CN 103203033A CN 2013100817304 A CN2013100817304 A CN 2013100817304A CN 201310081730 A CN201310081730 A CN 201310081730A CN 103203033 A CN103203033 A CN 103203033A
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Abstract
The invention relates to an electromagnetic sterilizer and an application thereof. The electromagnetic sterilizer is characterized by comprising equipment which can be used for producing high-frequency magnetic fields. The invention further relates to an article electromagnetic sterilization method by the aid of the electromagnetic sterilizer. The electromagnetic principle is adopted to perform the electromagnetic sterilization of the sterilized articles; the high-frequency magnetic field with the frequency of 3-30Mc is generated between polar plates with fixed ranges; so that the articles placed between two polar plates are processed with electromagnetic polarization, and the purpose of sterilization and inactivation is achieved since organic structure of bacterial virus is destroyed by high-frequency electromagnetic waves; packing materials of paper, glass and ceramic and the like can be penetrated through by electromagnet, packing integrity can be sustained, and therefore, the electromagnetic sterilizer is applicable to various occasions of factories and shops and the like.
Description
Technical field
The present invention relates to a kind of electromagnetism sterilizing machine and application thereof, belong to the technical field of disinfector.
Background technology
Be flooded with a large amount of bacterial viruses in the daily life environment, along with living standard improves, people also have higher requirement to sterilizing, often contact the various article that have bacterial virus and can make and cause bacterial virus and enter and cause various diseases in the body; Bacterial virus also is the major reason that causes medicated clothing footwear abnormal flavour, and sterilizing is dispelling abnormal flavor effectively.Therefore provide a kind of disinfector that can fast, efficiently and not destroy article to seem particularly important.
Common sterilization means comprise cleaning agent sterilization, ozonization, disinfection by ultraviolet light, autoclave sterilization, water turbulence sterilization etc.But existing sterilization means have, and the scope of application is little, sterilization speed is slow, efficient is low, Disinfection Effect is poor, can produce shortcoming such as pollutions to environment, more is not suitable in modern fast pace is lived the sterilization to life article.
Summary of the invention
At above technical deficiency, the invention provides a kind of electromagnetism sterilizing machine.This electromagnetism sterilizing machine utilizes high-frequency electromagnetic to being placed on article disinfection wherein, ensures that effectively people's is healthy.The present invention is applied widely, does not destroy packing, avoids polluting, and simple in structure, simple operation gets final product operate as normal under the room temperature normal pressure, does not have dangerous element, high efficiency, advantage such as Disinfection Effect is good.
The present invention also provides a kind of and has utilized above-mentioned electromagnetism sterilizing machine to the method for article disinfection.
Technical scheme of the present invention is as follows:
A kind of electromagnetism sterilizing machine, this electromagnetism sterilizing machine comprises the equipment that can produce high frequency magnetic field.
Preferred according to the present invention, the frequency of the high frequency magnetic field that the equipment of described generation high frequency magnetic field produces be 3Mc～
30Mc, wherein 1Mc=1MHz=1000KHz.
Preferred according to the present invention, the equipment of described generation high frequency magnetic field comprises at least two pole plates that are oppositely arranged or magnetron.
Preferred according to the present invention, described electromagnetism sterilizing machine also comprises shell, is provided with confession between described two pole plate
Place quilt Sterilizing objectsArticle carrying platform.
Preferred according to the present invention, described two pole plates also comprise the high-frequency oscillating circuits and the mu balanced circuit that links to each other with high-frequency oscillating circuits and time base circuit that links to each other with described pole plate.
Preferred according to the present invention, described high-frequency oscillating circuits comprises field effect transistor Q8, capacitor C 12, electric capacity 14, capacitor C 15, transformer T1 and electric current amplification module:
When described electric current amplification module comprises audion Q7, the grid of described field effect transistor Q8, source electrode and capacitor C 12 are connected on and form series loop I in the primary winding of transformer T1, and described capacitor C 14 and capacitor C 15 are connected in the primary winding of transformer T1 and form series loop II; The secondary coil of described transformer T1 is connected with described pole plate and is formed series loop III, the emitter stage of described audion Q7 links to each other with the grid of field effect transistor Q8, the collector series resistance R22 of described audion Q7 links to each other with the drain electrode of Q8, is parallel with capacitor C 13 at the two ends of described resistance R 22;
When described electric current amplification module comprises rheostat R23, resistance R 24, rheostat R25, the drain electrode of described field effect transistor Q8, grid and capacitor C 12 are connected on and form series loop I in the primary winding of transformer T1, and described capacitor C 14 and capacitor C 15 are connected in the primary winding of transformer T1 and form series loop II; The secondary coil of described transformer T1 is connected with described pole plate and is formed series loop III, and an end of described resistance R 24 links to each other with the movable contact of rheostat R25, and the other end of described resistance R 24 links to each other with the grid of field effect transistor Q8; The fixed contact of rheostat R25 links to each other with the source electrode of resistance R 22 with field effect transistor Q8 by resistance R 23, is parallel with capacitor C 13 at the two ends of described resistance R 22.The present invention is by two high frequency magnetic fields that the pole plate output frequency is 3Mc～30Mc of load, 1Mc=1MHz=1000KHz wherein, thereby realize the article to be sterilized that are placed between two pole plates are carried out the em polarization processing, article are reached best sterilization effect.
Preferred according to the present invention, described field effect transistor Q8 is the field effect transistor of model 2SK4847,2SK1060,2SK413 or 2SK1254.
Preferred according to the present invention, the capacitance range of described capacitor C 12 is 100pF～1000pF, and the capacitance range of described capacitor C 14 is 100pF～1000pF, and the capacitance range of described capacitor C 15 is 10pF～500pF.
Preferred according to the present invention, described mu balanced circuit and time base circuit are existing circuit module.Described mu balanced circuit and time base circuit provide supply voltage and the control supplying time of direct current 30～150V for described high-frequency oscillating circuits, carry out electromagnetism and disinfect to realize treating sterilizing objects.
Preferred according to the present invention, the copper coin of described pole plate, the distance range between the described pole plate that is oppositely arranged: 10cm～100cm.
Preferred according to the present invention, be provided with metal electromagnetic shielding net in the inboard of described shell.
Preferred according to the present invention, the inboard of described shell two ends sidewall is respectively arranged with pole plate, and the upper side wall of shell, lower wall, front side wall and rear wall are provided with metal electromagnetic shielding net.
Preferred according to the present invention, the area of the unit mesh of described metal electromagnetic shielding net is 0.01～100mm
2
It is a kind of that to utilize the electromagnetic field of high frequency to treat the sterilizing objects method of disinfecting be that article to be sterilized are placed the electromagnetic field of high frequency.
Preferred according to the present invention, the frequency range 3Mc of described electromagnetic field of high frequency～
30Mc, wherein 1Mc=1MHz=1000KHz.
Preferred according to the present invention, article to be sterilized are placed the time range of electromagnetic field of high frequency: 2
s～
600s
A kind ofly utilize above-mentioned electromagnetism sterilizing machine that article are carried out the electromagnetism disinfectant method, comprise that step is as follows:
(1) article to be sterilized is put on the article carrying platform of described electromagnetism sterilizing machine;
(2) energized is carried out electromagnetism sterilization 2～600s, wherein said two high frequency magnetic fields that relative pole plate output frequency is 3Mc～30Mc, wherein 1Mc=1MHz=1000KHz to described article to be sterilized.When article were carried out sterilization, the sterilization time time was: 2～600s, and irrelevant with the amount of the article of being sterilized.
The invention has the advantages that:
1. the present invention adopts electromagnetic principle to treat sterilizing objects to carry out electromagnetism sterilization, producing frequency between the pole plate of described fixed range is the high frequency magnetic field of 3～30Mc, thereby realize carrying out the em polarization processing to being placed on two article between the pole plate, by frequency electromagnetic waves the biological structure of bacterial virus is destroyed, to reach the purpose of sterilization deactivation.The present invention can operate the article of band packing, and packing such as the penetrable papery of electromagnetism, glass, pottery material can keep Packing Intact, therefore is beneficial to multiple occasion such as factory, shop and uses.
2. electromagnetism sterilizing machine of the present invention is easy and simple to handle, and intelligent quick is suitable for allegro life and uses.
3. the present invention is rapid to the food sterilization onset, Disinfection Effect is obviously lasting.
4. the present invention has certain deodorizing effect by sterilization to medicated clothings such as footgears.
Description of drawings
Fig. 1 is the connection diagram of the embodiment of the invention 1,2 high-frequency oscillating circuits;
Fig. 2 is the connection diagram of the embodiment of the invention 3,4 high-frequency oscillating circuits;
Fig. 3 is the embodiment of the invention 1,3 mu balanced circuit and the connection diagram of time base circuit;
Fig. 4 is the connection diagram of the embodiment of the invention 2,4 mu balanced circuits and time base circuit;
Fig. 5 is overall structure sketch map of the present invention; In Fig. 5,1, shell; 2, two pole plates that are oppositely arranged; 3, article carrying platform.
The specific embodiment
Below in conjunction with embodiment and Figure of description the present invention is described in detail, but is not limited thereto.
Shown in Fig. 1,3.A kind of electromagnetism sterilizing machine comprises shell, is provided with two pole plates that are oppositely arranged and be provided with confession between described two pole plates in the enclosure
Placement is sterilized articleArticle carrying platform, described two high frequency magnetic fields that the pole plate output frequency is 3Mc～30Mc, wherein 1Mc=1MHz=1000KHz.
Described two pole plates also comprise the high-frequency oscillating circuits and the mu balanced circuit that links to each other with high-frequency oscillating circuits and time base circuit that links to each other with described pole plate.
Described high-frequency oscillating circuits comprises field effect transistor Q8, capacitor C 12, electric capacity 14, capacitor C 15, transformer T1 and electric current amplification module: described electric current amplification module comprises audion Q7, the grid of described field effect transistor Q8, source electrode and capacitor C 12 are connected on and form series loop I in the primary winding of transformer T1, and described capacitor C 14 and capacitor C 15 are connected in the primary winding of transformer T1 and form series loop II; The secondary coil of described transformer T1 is connected with described pole plate and is formed series loop III, the emitter stage of described audion Q7 links to each other with the grid of field effect transistor Q8, the collector series resistance R22 of described audion Q7 links to each other with the drain electrode of Q8, is parallel with capacitor C 13 at the two ends of described resistance R 22; Described field effect transistor Q8 is the field effect transistor of model 2SK4847.The capacitance range of described capacitor C 12 is 100pF～1000pF, and the capacitance range of described capacitor C 14 is 100pF～1000pF, and the capacitance range of described capacitor C 15 is 10pF～500pF.
Described mu balanced circuit and time base circuit are existing circuit module.Described mu balanced circuit and time base circuit provide supply voltage and the control supplying time of direct current 30～150V for described high-frequency oscillating circuits, carry out electromagnetism and disinfect to realize treating sterilizing objects.
The copper coin of described pole plate, the distance between the described pole plate that is oppositely arranged: 10cm.
Be provided with metal electromagnetic shielding net in the inboard of described shell.The area of the unit mesh of described metal electromagnetic shielding net is 0.01～100mm
2
Shown in Fig. 1,4.As embodiment 1 described a kind of electromagnetism sterilizing machine, its difference is that described mu balanced circuit and time base circuit are chosen the another kind of connected mode of existing mu balanced circuit and time base circuit.Distance between the described pole plate that is oppositely arranged: 25cm.
Shown in Fig. 2,3.As embodiment 1 described a kind of electromagnetism sterilizing machine, its difference is, when described electric current amplification module comprises rheostat R23, resistance R 24, rheostat R25, the drain electrode of described field effect transistor Q8, grid and capacitor C 12 are connected on and form series loop I in the primary winding of transformer T1, and described capacitor C 14 and capacitor C 15 are connected in the primary winding of transformer T1 and form series loop II; The secondary coil of described transformer T1 is connected with described pole plate and is formed series loop III, and an end of described resistance R 24 links to each other with the movable contact of rheostat R25, and the other end of described resistance R 24 links to each other with the grid of field effect transistor Q8; The fixed contact of rheostat R25 links to each other with the source electrode of resistance R 22 with field effect transistor Q8 by resistance R 23, is parallel with capacitor C 13 at the two ends of described resistance R 22.The present invention is by two high frequency magnetic fields that the pole plate output frequency is 3Mc～30Mc of load, 1Mc=1MHz=1000KHz wherein, thereby realize carrying out the em polarization processing to being placed on two drinks or other liquid foods between the pole plate, drinks are reached the best urge old effect.
The inboard of described shell two ends sidewall is respectively arranged with pole plate, and the upper side wall of shell, lower wall, front side wall and rear wall are provided with metal electromagnetic shielding net.Distance between the described pole plate that is oppositely arranged: 40cm.
Shown in Fig. 2,4.As embodiment 2 described a kind of electromagnetism sterilizing machines, its difference is, when described electric current amplification module comprises rheostat R23, resistance R 24, rheostat R25, the drain electrode of described field effect transistor Q8, grid and capacitor C 12 are connected on and form series loop I in the primary winding of transformer T1, and described capacitor C 14 and capacitor C 15 are connected in the primary winding of transformer T1 and form series loop II; The secondary coil of described transformer T1 is connected with described pole plate and is formed series loop III, and an end of described resistance R 24 links to each other with the movable contact of rheostat R25, and the other end of described resistance R 24 links to each other with the grid of field effect transistor Q8; The fixed contact of rheostat R25 links to each other with the source electrode of resistance R 22 with field effect transistor Q8 by resistance R 23, is parallel with capacitor C 13 at the two ends of described resistance R 22.The present invention is by two high frequency magnetic fields that the pole plate output frequency is 3Mc～30Mc of load, 1Mc=1MHz=1000KHz wherein, thereby realize carrying out the em polarization processing to being placed on two drinks or other liquid foods between the pole plate, drinks are reached the best urge old effect.Distance between the described pole plate that is oppositely arranged: 100cm.
Embodiment 5,
A kind of utilization as electromagnetism sterilizing machine as described in the embodiment 4 carried out the electromagnetism disinfectant method to the ceramic dinning plate of cleaning, and comprises that step is as follows:
(1) ceramic dinning plate of cleaning is put on the article carrying platform of described electromagnetism sterilizing machine;
(2) energized is carried out electromagnetism sterilization 10s, wherein said two high frequency magnetic fields that relative pole plate output frequency is 3Mc～30Mc, wherein 1Mc=1MHz=1000KHz to described article to be sterilized.
Table 1 is the coliform statistical table of described ceramic dinning plate before and after electromagnetism sterilization: wherein a is for before disinfecting as electromagnetism, the coliform content on its ceramic dinning plate surface; Wherein b is after disinfecting 10s through electromagnetism, the coliform content on its ceramic dinning plate surface.
Table 1 is the contrast experiment's table to the sterilization of ceramic dinning plate electromagnetism
| Bacterial species | A(content, individual) | B(content, individual) |
| Coliform | 280000 | 50000 |
As shown in Table 1, the surperficial coliform quantity of the ceramic dinning plate after electromagnetism sterilizing machine sterilization of the present invention obviously reduces.
Embodiment 6,
A kind of utilization is carried out the electromagnetism disinfectant method as electromagnetism sterilizing machine as described in the embodiment 3 to the freezing chicken feet of 2.5g, comprises that step is as follows:
(1) freezing chicken feet is put on the article carrying platform of described electromagnetism sterilizing machine;
(2) energized is carried out electromagnetism sterilization 5s, wherein said two high frequency magnetic fields that relative pole plate output frequency is 3Mc～30Mc, wherein 1Mc=1MHz=1000KHz to described article to be sterilized.
Table 2 is the coliform statistical table of described freezing chicken feet before and after electromagnetism sterilization: wherein c is for before disinfecting as electromagnetism, the coliform content on its freezing chicken feet surface; Wherein d is after disinfecting 10s through electromagnetism, the coliform content on its freezing chicken feet surface.
Table 2 is the contrast experiment's tables to freezing chicken feet electromagnetism sterilization
| Bacterial species | C(content, individual) | D(content, individual) |
| Coliform | 300000 | 54000 |
As shown in Table 2, the surperficial coliform quantity of the freezing chicken feet after electromagnetism sterilizing machine sterilization of the present invention obviously reduces.
Claims (13)
1. an electromagnetism sterilizing machine is characterized in that, this electromagnetism sterilizing machine comprises the equipment that can produce high frequency magnetic field.
2. a kind of electromagnetism sterilizing machine according to claim 1 is characterized in that, the frequency of the high frequency magnetic field that the equipment of described generation high frequency magnetic field produces be 3Mc～
30Mc, wherein 1Mc=1MHz=1000KHz.
3. a kind of electromagnetism sterilizing machine according to claim 1 is characterized in that, the equipment of described generation high frequency magnetic field comprises at least two pole plates that are oppositely arranged or magnetron.
4. a kind of electromagnetism sterilizing machine according to claim 3 is characterized in that, described electromagnetism sterilizing machine also comprises shell, is provided with confession between described two pole plates
Placement is sterilized articleArticle carrying platform.
5. a kind of electromagnetism sterilizing machine according to claim 3 is characterized in that, described two pole plates also comprise the high-frequency oscillating circuits and the mu balanced circuit that links to each other with high-frequency oscillating circuits and time base circuit that links to each other with described pole plate.
6. a kind of electromagnetism sterilizing machine according to claim 5 is characterized in that, described high-frequency oscillating circuits comprises field effect transistor Q8, capacitor C 12, electric capacity 14, capacitor C 15, transformer T1 and electric current amplification module:
When described electric current amplification module comprises audion Q7, the grid of described field effect transistor Q8, source electrode and capacitor C 12 are connected on and form series loop I in the primary winding of transformer T1, and described capacitor C 14 and capacitor C 15 are connected in the primary winding of transformer T1 and form series loop II; The secondary coil of described transformer T1 is connected with described pole plate and is formed series loop III, the emitter stage of described audion Q7 links to each other with the grid of field effect transistor Q8, the collector series resistance R22 of described audion Q7 links to each other with the drain electrode of Q8, is parallel with capacitor C 13 at the two ends of described resistance R 22;
When described electric current amplification module comprises rheostat R23, resistance R 24, rheostat R25, the drain electrode of described field effect transistor Q8, grid and capacitor C 12 are connected on and form series loop I in the primary winding of transformer T1, and described capacitor C 14 and capacitor C 15 are connected in the primary winding of transformer T1 and form series loop II; The secondary coil of described transformer T1 is connected with described pole plate and is formed series loop III, and an end of described resistance R 24 links to each other with the movable contact of rheostat R25, and the other end of described resistance R 24 links to each other with the grid of field effect transistor Q8; The fixed contact of rheostat R25 links to each other with the source electrode of resistance R 22 with field effect transistor Q8 by resistance R 23, is parallel with capacitor C 13 at the two ends of described resistance R 22.
7. a kind of electromagnetism sterilizing machine according to claim 6 is characterized in that, described field effect transistor Q8 is the field effect transistor of model 2SK4847,2SK1060,2SK413 or 2SK1254.
8. a kind of electromagnetism sterilizing machine according to claim 6 is characterized in that the capacitance range of described capacitor C 12 is 100pF～1000pF, and the capacitance range of described capacitor C 14 is 100pF～1000pF, and the capacitance range of described capacitor C 15 is 10pF～500pF.
9. a kind of electromagnetism sterilizing machine according to claim 3 is characterized in that, the copper coin of described pole plate, and the distance range between the described pole plate that is oppositely arranged: 10cm～
100cm
10. one kind is utilized the electromagnetic field of high frequency to treat the sterilizing objects method of disinfecting, it is characterized in that this method is for to place the electromagnetic field of high frequency with article to be sterilized.
11. the sterilizing objects method of disinfecting is treated in a kind of electromagnetic field of high frequency that utilizes according to claim 10, it is characterized in that, and the frequency range 3Mc of described electromagnetic field of high frequency～
30Mc, wherein 1Mc=1MHz=1000KHz.
12. the sterilizing objects method of disinfecting is treated in a kind of electromagnetic field of high frequency that utilizes according to claim 11, it is characterized in that, article to be sterilized is placed the time range of electromagnetic field of high frequency: 2
s～
600s
13. a utilization is carried out the electromagnetism disinfectant method as electromagnetism sterilizing machine as described in the claim 4 to article, it is characterized in that described electromagnetism sterilization method comprises that step is as follows:
(1) article to be sterilized is put on the article carrying platform of described electromagnetism sterilizing machine;
(2) energized is carried out electromagnetism sterilization 2 to described article to be sterilized
s～
600s, wherein said two relative pole plate output frequencies be 3Mc～
30The high frequency magnetic field of Mc, wherein 1Mc=1MHz=1000KHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310081730.4A CN103203033B (en) | 2013-03-14 | 2013-03-14 | Electromagnetic sterilizer and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310081730.4A CN103203033B (en) | 2013-03-14 | 2013-03-14 | Electromagnetic sterilizer and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103203033A true CN103203033A (en) | 2013-07-17 |
| CN103203033B CN103203033B (en) | 2015-07-08 |
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ID=48750579
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|---|---|---|---|
| CN201310081730.4A Expired - Fee Related CN103203033B (en) | 2013-03-14 | 2013-03-14 | Electromagnetic sterilizer and application thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103205353A (en) * | 2013-03-14 | 2013-07-17 | 刘逸舟 | Magnetic processor and application thereof for age-acceleration of liquid food |
| CN107050474A (en) * | 2017-02-21 | 2017-08-18 | 张冬辉 | Chopsticks local quick sterilization sterilization method, device and its applicable chopsticks |
| CN112429301A (en) * | 2020-12-09 | 2021-03-02 | 蚌埠中光电科技有限公司 | Large-size glass substrate packaging device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CL2018000276A1 (en) * | 2018-01-31 | 2018-05-18 | Univ Santiago Chile | Method to reduce or eliminate microorganisms, preferably bacteria, on hard or semi-hard surfaces, either smooth or porous of different types of construction material, applying non-ionizing electromagnetic field |
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| JPH01317439A (en) * | 1988-06-17 | 1989-12-22 | Matsushita Electric Works Ltd | Article with cleaning function |
| CN1097630A (en) * | 1993-07-20 | 1995-01-25 | 王波军 | A kind of normal temperature and pressure sterilization method and device |
| JPH09187489A (en) * | 1996-01-11 | 1997-07-22 | Mitsubishi Heavy Ind Ltd | Uniform irradiator of electron beam |
| US20030049162A1 (en) * | 2000-03-10 | 2003-03-13 | Eric Blondeau | Disinfecting wooden elements in contact with foodstuffs |
| CN203379392U (en) * | 2013-03-14 | 2014-01-08 | 刘逸舟 | Electromagnetic sterilizer |
-
2013
- 2013-03-14 CN CN201310081730.4A patent/CN103203033B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01317439A (en) * | 1988-06-17 | 1989-12-22 | Matsushita Electric Works Ltd | Article with cleaning function |
| CN1097630A (en) * | 1993-07-20 | 1995-01-25 | 王波军 | A kind of normal temperature and pressure sterilization method and device |
| JPH09187489A (en) * | 1996-01-11 | 1997-07-22 | Mitsubishi Heavy Ind Ltd | Uniform irradiator of electron beam |
| US20030049162A1 (en) * | 2000-03-10 | 2003-03-13 | Eric Blondeau | Disinfecting wooden elements in contact with foodstuffs |
| CN203379392U (en) * | 2013-03-14 | 2014-01-08 | 刘逸舟 | Electromagnetic sterilizer |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103205353A (en) * | 2013-03-14 | 2013-07-17 | 刘逸舟 | Magnetic processor and application thereof for age-acceleration of liquid food |
| CN107050474A (en) * | 2017-02-21 | 2017-08-18 | 张冬辉 | Chopsticks local quick sterilization sterilization method, device and its applicable chopsticks |
| CN112429301A (en) * | 2020-12-09 | 2021-03-02 | 蚌埠中光电科技有限公司 | Large-size glass substrate packaging device |
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|---|---|
| CN103203033B (en) | 2015-07-08 |
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