CN111981757A - Peculiar smell removing system for refrigerator cold storage area - Google Patents
Peculiar smell removing system for refrigerator cold storage area Download PDFInfo
- Publication number
- CN111981757A CN111981757A CN202010916398.9A CN202010916398A CN111981757A CN 111981757 A CN111981757 A CN 111981757A CN 202010916398 A CN202010916398 A CN 202010916398A CN 111981757 A CN111981757 A CN 111981757A
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- Prior art keywords
- peculiar smell
- area
- ozone
- phase oxidation
- cold storage
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/042—Air treating means within refrigerated spaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/04—Treating air flowing to refrigeration compartments
- F25D2317/041—Treating air flowing to refrigeration compartments by purification
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/04—Treating air flowing to refrigeration compartments
- F25D2317/041—Treating air flowing to refrigeration compartments by purification
- F25D2317/0415—Treating air flowing to refrigeration compartments by purification by deodorizing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/04—Treating air flowing to refrigeration compartments
- F25D2317/041—Treating air flowing to refrigeration compartments by purification
- F25D2317/0416—Treating air flowing to refrigeration compartments by purification using an ozone generator
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
According to the peculiar smell removing system for the refrigerator cold storage area, the plasma generating device can generate negative ions, ozone and other active particles, on one hand, the negative ions ensure the freshness of the vegetable area, and on the other hand, the ozone inhibits or kills bacteria or fungi breeding peculiar smell; the liquid phase catalytic oxidation device mainly pumps residual peculiar smell into water through an air pump, hydroxyl free radicals generated by a catalytic oxidation electrode in the water and peculiar smell molecules dissolved into the water generate oxidation reaction, and the peculiar smell molecules are degraded to further reduce the peculiar smell; the residual peculiar smell can be further adsorbed by active carbon to finally remove the peculiar smell. The residual ozone can pass through the ozone eliminator to reach the exhaust gas purifying effect. The invention has simple structure, can further reduce the production cost and can improve the olfactory comfort level of the refrigerator after the door is opened.
Description
Technical Field
The invention relates to a peculiar smell removing technology of a refrigerator, in particular to a peculiar smell removing system of a refrigerator cold storage area.
Background
The refrigerator is a necessity in daily life of people, and not only can keep food fresh and store, but also can freeze the food for later use. However, people suffer from taint of smell among foods in the cold storage area of the refrigerator after use. The reason for tainting the odor is probably as follows: 1. the original smell of vegetables in the fresh-keeping area; 2. the smell of the leftover soup is diffused; 3. odor emission of spoiled foods, and the like. The mixture of these odors makes people have to hide their nose when opening the refrigerator and become bored. It has also been a constant pursuit of how to maintain a fresh scent. From the current freshness preservation types, the fresh-keeping method comprises an activated carbon adsorption mode, an anion freshness preservation mode and some peculiar smell filtration modes. However, in general, these approaches are basically passive, mostly temporary and permanent. Indeed, the bad smell in refrigerators is due in large part to the development of bacteria or fungi that produce a spoiling smell from spoiled foods, especially the emission of residual spoiling liquids in the fresh food area. Therefore, it is the source of odor that is basically removed to inhibit or even kill bacteria or fungi. The invention aims to provide a method for removing peculiar smell in a fresh-keeping area of a refrigerator.
Disclosure of Invention
The invention aims to provide a peculiar smell removal system for a refrigerator cold storage area, which not only improves the freshness of vegetables, but also improves the comfort level of human smell after the refrigerator is opened.
In order to solve the technical problem, the invention provides an odor removing system of a refrigerator cold storage area, which comprises a plasma generation area, the cold storage area, an air pump, a liquid phase oxidation pond, an active carbon adsorption area and an ozone decomposition area, wherein the plasma generation area is used for generating negative ions and ozone, the negative ions and the ozone generated by the plasma generation area are conveyed to the cold storage area, the gas in the cold storage area is partially dissolved and disinfected by the liquid phase oxidation pond, and the gas passing through the liquid phase oxidation pond passes through the active carbon adsorption area and the ozone decomposition area.
Preferably, a sterilization and degradation functional module is arranged in the liquid phase oxidation tank, and the air pump is used for conveying negative ions and ozone generated by the plasma generation area to the cold storage area and then conveying gas in the cold storage area to the liquid phase oxidation tank.
Preferably, ordinary tap water is contained in the liquid-phase oxidation tank, the sterilization and degradation functional module comprises a set of positive and negative electrodes, the positive and negative electrodes can decompose water to generate hydroxyl radicals with strong oxidizing property after being electrified, wherein the negative electrode comprises a stainless steel piece or a titanium electrode, the positive electrode comprises a titanium electrode coated with a functional nano composite coating, and the nano composite coating is one of a platinum coating, a ruthenium oxide/iridium oxide mixed coating, a cobalt oxide/iridium oxide mixed coating, a tantalum oxide/iridium oxide mixed coating and an antimony oxide-doped oxygen tin oxide coating.
Preferably, the positive electrode and the negative electrode are isolated by a hollow insulating clapboard.
Preferably, a bubbled stone is further arranged in the liquid-phase oxidation pond, and the input gas in the cold storage area enters the water in the liquid-phase oxidation pond through the bubbled stone.
Preferably, the ozonolysis zone comprises ozonolysis catalyst particles.
Preferably, the system further comprises a single chip microcomputer control unit, wherein the single chip microcomputer control unit is input with 220V, and direct current voltage is respectively input to the plasma generation area, the air pump and the liquid phase oxidation tank after full-wave rectification and voltage reduction through a transformer.
Preferably, 12V direct current output given by the singlechip control unit is excited by a ring-shaped push-pull oscillator and outputs high voltage by a power transformer to drive the plasma generation area to generate negative ions and ozone.
Preferably, the plasma generating region adopts an axial discharge tube, a flat discharge mode, a filament discharge mode or a creeping discharge mode.
According to the peculiar smell removing system for the refrigerator cold storage area, the plasma generating device can generate negative ions, ozone and other active particles, on one hand, the negative ions ensure the freshness of the vegetable area, and on the other hand, the ozone inhibits or kills bacteria or fungi breeding peculiar smell; the liquid phase catalytic oxidation device mainly pumps residual peculiar smell into water through an air pump, hydroxyl free radicals generated by a catalytic oxidation electrode in the water and peculiar smell molecules dissolved into the water generate oxidation reaction, and the peculiar smell molecules are degraded to further reduce the peculiar smell; the residual peculiar smell can be further adsorbed by active carbon to finally remove the peculiar smell. The residual ozone can pass through the ozone eliminator to reach the exhaust gas purifying effect. The invention has simple structure, can further reduce the production cost and can improve the olfactory comfort level of the refrigerator after the door is opened.
Drawings
Fig. 1 is a schematic structural view of an odor eliminating system of a refrigerating area of a refrigerator according to the present application.
Wherein: 1. a plasma generation region; 2. a cold storage area; 3. an air pump; 4. a bubble stone; 5. an active electric machine; 6. a liquid phase oxidation pond; 7. an activated carbon adsorption zone; 8. a singlechip control unit; 9. an ozonolysis zone.
Detailed Description
The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.
The invention provides a peculiar smell removing system of a refrigerator cold storage area 2, which comprises a plasma generating area 1, the cold storage area 2, an air pump 3, a liquid phase oxidation tank 6, an active carbon adsorption area 7 and an ozone decomposition area, wherein the plasma generating area 1 is used for generating negative ions and ozone, and the negative ions and the ozone generated by the plasma generating area 1 are conveyed to each corner of the cold storage area 2 to inhibit and even kill bacteria or fungi, thereby playing roles in food preservation and fresh keeping. The plasma generating area 1 adopts an axial discharge tube, a flat discharge mode, a filament discharge mode or a creeping discharge mode. The gas in the cold storage area 2 is partially dissolved and disinfected through the liquid phase oxidation tank 6, and the gas passing through the liquid phase oxidation tank 6 passes through the activated carbon adsorption area 7 and the ozone decomposition area. 9, the residual gas from the liquid-phase oxidation tank 6 passes through an active carbon adsorption zone 7 to further adsorb peculiar smell; the residual ozone passes through the ozone decomposition zone, and the redundant ozone is decomposed through the catalytic layer. The ozonolysis zone consists essentially of a sufficiently thick mass of ozonolysis catalyst particles to reduce the residual ozone concentration to an acceptable concentration range (less than 0.1ppm)
The liquid phase oxidation pond 6 is internally provided with a sterilization and degradation functional module, the air pump 3 is used for conveying negative ions and ozone generated by the plasma generation area 1 to the cold storage area 2 and then conveying gas in the cold storage area 2 to the liquid phase oxidation pond 6. The liquid-phase oxidation pond 6 is filled with water, the sterilization and degradation functional module comprises a set of positive and negative electrodes, the positive and negative electrodes can decompose water to generate hydroxyl radicals with strong oxidizing property after being electrified, wherein the negative electrode is composed of a stainless steel piece or a titanium electrode, the positive electrode is composed of a titanium electrode coated with a functional nano composite coating, and the nano composite coating is one of a platinum coating, a ruthenium oxide/iridium oxide mixed coating, a cobalt oxide/iridium oxide mixed coating, a tantalum oxide/iridium oxide mixed coating and an oxygen antimony-doped tin oxide coating.
The positive electrode and the negative electrode are isolated by a hollow insulating clapboard. The positive and negative electrodes can be in the form of multiple sheets or meshes, and the electrode spacing can be determined according to the current, and is generally between 1 and 10 mm.
And a bubbled stone 4 is also arranged in the liquid-phase oxidation pond 6, and the input gas in the cold storage area 2 enters the water in the liquid-phase oxidation pond 6 through the bubbled stone 4.
The system also comprises a singlechip control unit 8, wherein the singlechip control unit 8 is 220V input, and direct current voltage is respectively input to the plasma generation area 1, the air pump 3 and the liquid-phase oxidation tank 6 after full-wave rectification and voltage reduction through a transformer. The 12V direct current output from the singlechip control unit 8 is excited by the annular push-pull oscillator and outputs high voltage through the power transformer, so that the plasma generation area 1 is driven to generate negative ions and ozone.
According to the peculiar smell removing system of the refrigerator cold storage area 2, the plasma generating device can generate negative ions, ozone and other active particles, on one hand, the negative ions ensure the freshness of the vegetable area, and on the other hand, the ozone inhibits or kills bacteria or fungi breeding peculiar smell; the liquid phase catalytic oxidation device mainly pumps residual peculiar smell into water through the air pump 3, hydroxyl free radicals generated by the catalytic oxidation electrode in the water and peculiar smell molecules dissolved into the water generate oxidation reaction, and the peculiar smell molecules are degraded to further reduce the peculiar smell; the residual peculiar smell can be further adsorbed by active carbon to finally remove the peculiar smell. The residual ozone can pass through the ozone eliminator to reach the exhaust gas purifying effect. The invention has simple structure, can further reduce the production cost and can improve the olfactory comfort level of the refrigerator after the door is opened.
The above-mentioned embodiments are merely preferred embodiments for fully explaining the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (9)
1. A peculiar smell removing system of a refrigerator cold storage area is characterized by comprising a plasma generating area, a cold storage area, an air pump, a liquid phase oxidation tank, an active carbon adsorption area and an ozone decomposition area,
the plasma generating area is used for generating ozone, negative ions and ozone generated by the plasma generating area are conveyed to the refrigerating area, gas in the refrigerating area is partially dissolved and disinfected through the liquid-phase oxidation tank, and the gas passing through the liquid-phase oxidation tank passes through the activated carbon adsorption area and the ozone decomposition area.
2. The system as claimed in claim 1, wherein a sterilization and degradation function module is disposed in the liquid phase oxidation tank, and the air pump is used for delivering the negative ions and ozone generated in the plasma generation region to the cold storage region and then delivering the gas in the cold storage region to the liquid phase oxidation tank.
3. The system as claimed in claim 2, wherein the liquid phase oxidation pond contains tap water, the sterilization degradation functional module comprises a set of positive and negative electrodes, the positive and negative electrodes can decompose water to generate hydroxyl radicals with strong oxidizing property after being electrified, the negative electrode comprises a stainless steel part or a titanium electrode, the positive electrode comprises a titanium electrode coated with a functional nano composite coating, and the nano composite coating is one of a platinum coating, a ruthenium oxide/iridium oxide mixed coating, a cobalt oxide/iridium oxide mixed coating, a tantalum oxide/iridium oxide mixed coating and an antimony oxide-doped tin oxide coating.
4. The system of claim 3, wherein the positive and negative electrodes are separated from each other by a perforated insulating spacer.
5. The system as claimed in claim 3, wherein a bubbled stone is further provided in the liquid phase oxidation tank, and the gas introduced into the cold storage region passes through the bubbled stone and enters the water in the liquid phase oxidation tank.
6. The system of claim 1, wherein the ozonolysis zone comprises ozonolysis catalyst particles.
7. The system of claim 3, further comprising a single chip microcomputer control unit, wherein the single chip microcomputer control unit has 220V input, is subjected to full-wave rectification and is stepped down by a transformer, and is respectively used for inputting direct current voltages to the plasma generation area, the gas pump and the liquid phase oxidation tank.
8. The system as claimed in claim 7, wherein the 12V DC output from the SCM control unit is excited by a ring push-pull oscillator and outputs high voltage via a power transformer to drive the plasma generation region to generate negative ions and ozone.
9. The system of claim 1, wherein the plasma generation zone is in an axial discharge tube, flat discharge, filament discharge, or creeping discharge mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010916398.9A CN111981757A (en) | 2020-09-03 | 2020-09-03 | Peculiar smell removing system for refrigerator cold storage area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010916398.9A CN111981757A (en) | 2020-09-03 | 2020-09-03 | Peculiar smell removing system for refrigerator cold storage area |
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| Publication Number | Publication Date |
|---|---|
| CN111981757A true CN111981757A (en) | 2020-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010916398.9A Pending CN111981757A (en) | 2020-09-03 | 2020-09-03 | Peculiar smell removing system for refrigerator cold storage area |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07280423A (en) * | 1994-04-05 | 1995-10-27 | Samsung Electronics Co Ltd | Multifunctional additional equipment for refrigerator |
| CN2221191Y (en) * | 1994-11-24 | 1996-02-28 | 黄恒超 | Refrigerator frost removing and deodorizing device |
| CN1330254A (en) * | 2000-06-16 | 2002-01-09 | 东芝株式会社 | Refrigerator and deodorization device |
| CN203203328U (en) * | 2013-03-11 | 2013-09-18 | 安徽康佳同创电器有限公司 | Refrigerator |
| CN105091467A (en) * | 2014-05-15 | 2015-11-25 | 苏州三星电子有限公司 | Sterilizing device for refrigerator |
| CN105565467A (en) * | 2016-03-08 | 2016-05-11 | 辛煜 | Sterilizing and disinfecting device |
| CN209355560U (en) * | 2018-12-10 | 2019-09-06 | 河南凌云制冷设备有限公司 | A kind of air-cooled refrigerator-freezer sterilization deodorizing device |
| US20200072528A1 (en) * | 2018-08-29 | 2020-03-05 | Whirlpool Corporation | Air filtration system for antimicrobial refrigerators |
-
2020
- 2020-09-03 CN CN202010916398.9A patent/CN111981757A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07280423A (en) * | 1994-04-05 | 1995-10-27 | Samsung Electronics Co Ltd | Multifunctional additional equipment for refrigerator |
| CN2221191Y (en) * | 1994-11-24 | 1996-02-28 | 黄恒超 | Refrigerator frost removing and deodorizing device |
| CN1330254A (en) * | 2000-06-16 | 2002-01-09 | 东芝株式会社 | Refrigerator and deodorization device |
| CN203203328U (en) * | 2013-03-11 | 2013-09-18 | 安徽康佳同创电器有限公司 | Refrigerator |
| CN105091467A (en) * | 2014-05-15 | 2015-11-25 | 苏州三星电子有限公司 | Sterilizing device for refrigerator |
| CN105565467A (en) * | 2016-03-08 | 2016-05-11 | 辛煜 | Sterilizing and disinfecting device |
| US20200072528A1 (en) * | 2018-08-29 | 2020-03-05 | Whirlpool Corporation | Air filtration system for antimicrobial refrigerators |
| CN209355560U (en) * | 2018-12-10 | 2019-09-06 | 河南凌云制冷设备有限公司 | A kind of air-cooled refrigerator-freezer sterilization deodorizing device |
Non-Patent Citations (2)
| Title |
|---|
| 戴维.P.休梅尔: "《物理化学实验》", 30 April 1990 * |
| 李继勋: "《观赏鱼养殖与疾病防治手册》", 31 January 2010 * |
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| PB01 | Publication | ||
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Application publication date: 20201124 |