JP2010038532A - Refrigerator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a food storage refrigerator capable of decomposing agricultural chemicals remaining in food even by an ozone concentration not influencing the human body. <P>SOLUTION: By providing a storage box 170 forming a storage compartment for storing food, a door 111 opening and closing the storage box 170, an ozone generator 200 generating ozone to be supplied to the storage compartment, and an activation means for promoting decomposition of harmful matter such as agricultural chemicals, the harmful matter such as agricultural chemicals remaining in stored food can be decomposed by an ozone concentration applicable in a food storage refrigerator, and safe food can be provided to a user while using an ozone concentration applicable in a food storage refrigerator. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a refrigerator, and more particularly, to a refrigerator capable of decomposing agricultural chemicals remaining in food.

  In recent years, consumers' anxiety about food safety has been high, and in particular, about 90% of consumers feel anxiety about food residue pesticides.

  In order to ensure the safety of pesticide residues, regulations on the use of pesticides by farmers and the food hygiene law that regulates the amount of residues from the viewpoint of human health have been established. There is the fact that so-called offending agricultural products that remain above the prescribed amount have been detected. Residual pesticides with high detection rates are mainly pesticides used overseas for post-harvest purposes, and many of them are prohibited in Japan.

  In the actual situation of such residual agricultural chemicals, we believe that there is a high need for an apparatus that removes residual agricultural chemicals so that consumers can live a safe diet.

Conventionally, there is a refrigerator having a function of having an ozone generator. (For example, see Patent Document 1)
FIG. 5 shows a refrigerator apparatus provided with a conventional ozone generator described in Patent Document 1. In FIG.

  As shown in the figure, 1 is a refrigerator body, 3 is a refrigerator compartment, 4 is a vegetable refrigerator compartment, 5 is a switching room, 6 is a freezer compartment, 7 is a hinged refrigerator door, and 8 is a drawer-type vegetable compartment door. , 9 is a switching chamber door, and 10 is a freezing chamber door. The switching chamber 5 is provided with a deodorizing / antibacterial device (antibacterial means, corresponding to an ozone generator) 18 in the cold air inflow passage, and an ozone treatment device 19 in the cold air outflow passage.

  In addition, by selecting the temperature zone to be set, the switching chamber 5 can be set to a set temperature suitable for the user from the modes of freezing, partial, chilled, vegetables, hot vegetables, soft freezing, refrigeration, and wine. Yes.

  The operation of the refrigerator configured as described above will be described below.

When storing low temperature sensitive fruits such as banana, eggplant, cucumber, etc., which cause discoloration, softening, blistering, etc., the mode of the switching chamber 5 is selected as “hot vegetables” and the mode is changed to the switching chamber 5. The switching chamber 5 whose mode has been changed to “high temperature vegetables” is cooled to a temperature of 10 to 15 ° C., and at the same time, the deodorizing / antibacterial device 18 installed in the cold air inflow path is driven to generate ozone and cool air flowing into the switching chamber At the same time as the antibacterial treatment is performed, the ozone treatment device 19 installed in the cold air outflow path is driven to decompose the ozone and detoxify the ozone harmful to the human body. At this time, since the generated ozone is supplied into the switching chamber 5 in a state of being contained in the cold air, the switching chamber 5 is filled with ozone, so that the air in the switching chamber 5 or the mold on the surface of the vegetable, etc. It is possible to prevent germs from breeding. For this reason, the freshness of the low temperature sensitive fruit preserve | saved at comparatively high refrigeration temperature is maintainable. On the other hand, the ozone generation amount of the deodorizing / antibacterial device 18 is set so that the ozone concentration in the switching chamber 5 is 0.005 ppm or less, and the user who opens the door 9 of the switching chamber 5 is not affected. I don't feel the smell of ozone.
Japanese Patent No. 3920064

  However, in the above-described conventional configuration, the ozone treatment device is intended to deodorize and antibacterial cool air flowing into the storage chamber. Therefore, the ozone generator is operated when cold air flows in, and the ozone treatment is performed when cold air flows out. The generation of ozone in a state where cold air is not flowing in could not achieve its purpose and was not assumed.

  In addition, since the ozone treatment device is on the cold air outflow side, even if the storage chamber is filled with high-concentration ozone, ozone is decomposed on the outflow side. There was a possibility of high ozone concentration.

  The present invention solves the above-mentioned conventional problems, and uses an ozone generator for the purpose of decomposing harmful substances such as residual agricultural chemicals adhering to the surface of vegetables stored in the interior of the storage room, not the inflowing cold air. Even when a small amount of ozone is used to more reliably fill the storage chamber with ozone, and even when the amount of ozone is suppressed by controlling the amount of ozone generated, etc., the amount of ozone can be reliably increased by providing an ozone amount reducing device inside the storage chamber. It aims at providing the refrigerator which can suppress.

  In order to solve the above problems, the refrigerator of the present invention has a storage room, an ozone generator for generating ozone to be supplied to the storage room, and a refrigeration cycle for generating cold air for cooling the storage room, An ozone amount reducing means for suppressing an increase in the ozone concentration in the storage chamber is provided.

  As a result, a small amount of ozone is more stably filled with ozone for the purpose of decomposing harmful substances such as residual agricultural chemicals attached to the surface of vegetables stored in the storage room, and ozone is controlled by controlling the amount of ozone generated. Even when the amount is suppressed, a refrigerator capable of reliably suppressing the amount of ozone by providing an ozone amount reducing device inside the storage room is provided. Even if the amount of ozone is suppressed by controlling the amount of ozone, etc., even if the amount of ozone increases due to some conditions, by providing a means for removing ozone, the amount of ozone can be reliably suppressed, which is harmful to the human body. Concentration ozone does not fill the refrigerator, and the refrigerator can be used safely.

  The refrigerator according to claim 1 of the present invention includes a storage room, an ozone generator that generates ozone to be supplied to the storage room, and a refrigeration cycle that generates cold air that cools the storage room. An ozone amount reducing means for suppressing an increase in the indoor ozone concentration is provided.

  As a result, the storage chamber can be more stably filled with ozone with a small amount of ozone for the purpose of decomposing harmful substances such as residual agricultural chemicals attached to the surface of vegetables stored in the storage chamber, and the amount of generated ozone can be controlled. Even when the amount of ozone is suppressed, a refrigerator capable of reliably suppressing the amount of ozone by providing an ozone amount reducing device inside the storage room is provided. Even if the amount of ozone is suppressed by controlling the amount of ozone, etc., even if the amount of ozone increases due to some conditions, by providing a means for removing ozone, the amount of ozone can be reliably suppressed, which is harmful to the human body. Concentration ozone does not fill the refrigerator, and the refrigerator can be used safely.

  The refrigerator according to claim 2 of the present invention includes an ozone adsorption filter as the ozone amount reducing means.

As a result, the amount of ozone can be reduced by passing cool air through the ozone adsorption filter, so it is possible to reduce the amount of ozone with energy saving without using electrical energy, and a high concentration that is harmful to the human body. The refrigerator does not fill the refrigerator, and the refrigerator can be used safely.

  The refrigerator according to claim 3 of the present invention is provided with an ozone discharge mechanism for discharging the air in the storage chamber from the storage chamber to the outside of the storage chamber as the ozone amount reducing means.

  As a result, even if the ozone concentration increases due to some conditions, the amount of ozone can be quickly and reliably suppressed, and high-concentration ozone that is harmful to the human body does not fill the refrigerator, so the refrigerator can be used safely be able to.

  The invention according to claim 4 includes a heat insulation box having a plurality of heat insulation sections, a refrigeration temperature zone storage room in which the inside temperature is maintained in a refrigeration temperature zone provided in the heat insulation box, and a freezing temperature zone. A refrigeration evaporator for cooling the refrigeration temperature zone storage chamber and a refrigeration evaporator for cooling the refrigeration temperature zone storage chamber. An ozone generator for generating ozone to be supplied to the refrigerated temperature zone storage chamber and an activating means for promoting the decomposition of harmful substances such as agricultural chemicals, and the lowest in the refrigerated temperature zone storage chamber It is the refrigerator which made the ozone concentration of the storage room located in the highest become.

  As a result, it is possible to improve the storage stability of the storage room in the refrigerated temperature zone and to improve the preservability of the food by the antibacterial property, reduce harmful substances such as agricultural chemicals attached to the food, and improve the safety of the food.

  In addition, since the ozone concentration in the storage room located at the bottom is the highest, even if the ozone flows out of the refrigerator due to taking in or out of the food, high concentration of ozone can quickly flow out downward, making it safer A highly efficient refrigerator can be provided.

  Moreover, the invention of Claim 5 is a refrigerator provided with the ozone generator in the storage room located in the lowermost part among the refrigeration temperature zone storage rooms.

  Thereby, by providing the ozone generator directly in the storage chamber located at the lowest position, the ozone concentration in the storage chamber located at the lowest position in the refrigeration temperature zone storage chamber can be surely made highest. .

  Invention of Claim 6 is a refrigerator provided with the ozone generator in the storage compartment located in the lowest part inside the refrigeration temperature zone storage room.

  Thereby, by providing the ozone generator directly in the storage compartment located at the lowermost position in the refrigerated temperature zone storage chamber, the ozone concentration of the storage compartment located at the lowermost position in the refrigerated temperature zone storage chamber can be ensured. Can be the highest.

  The invention according to claim 7 is a refrigerator in which the refrigeration cooling air passage through which the cold air cooled by the refrigeration evaporator flows and the refrigeration cooling air passage through which the cold air cooled by the refrigeration evaporator flows are independent. is there.

  In this way, the refrigeration cooling air passage that is easier to propagate various germs is made independent of the freezing cooling air passage, thereby preventing the antibacterial function of the freezing cooling air passage from being lowered and the refrigeration cooling air passage that is easier to propagate germs is concentrated. Antibacterial can be achieved with ozone, and the storage stability of the storage room in the refrigerated temperature zone and the preservation of the food by the antibacterial action are improved, and the harmful substances such as agricultural chemicals attached to the food are reduced, and the food safety is further improved. It is possible.

According to an eighth aspect of the present invention, there is provided a refrigerator in which cold air cooled in a refrigerating / cooling chamber that houses a refrigerating evaporator provided separately from the storage chamber flows into the refrigerating temperature zone storage chamber via a refrigerating / cooling air passage. It is.

  As a result, all the cold air flowing into the storage chamber circulates in the air passage, so by installing an ozone generator in one of the refrigerated cooling air passages, it is possible to ensure that the inside of the refrigerated cooling air passage where germs easily propagate Antibacterial can be achieved with ozone, and the storage stability of the storage room in the refrigerated temperature zone and the preservation of the food by the antibacterial action are improved, and the harmful substances such as agricultural chemicals attached to the food are reduced, and the food safety is further improved. It is possible.

  The invention according to claim 9 is a refrigerator provided with an ozone generator in a storage section located on the most downstream side of the refrigeration cooling air passage in the refrigeration temperature zone storage chamber.

  As a result, the storage compartment located on the most downstream side of the refrigeration cooling air passage is concentrated with ozone even though it is an environment in which various germs are easy to propagate because cold air containing germs in each storage compartment flows in. Antibacterial action can be achieved, and the storage stability of the storage room in the refrigerated temperature zone and the preservation of the food by the antibacterial action of the food and the reduction of harmful substances such as pesticides adhering to the food are further improved. It is possible.

  The invention according to claim 10 is a refrigerator provided with an ozone generator in a storage room or storage compartment having the highest temperature among the refrigerated temperature storage rooms.

  As a result, because of the high temperature, it is possible to concentrate antibacterial with ozone in spite of the environment in which miscellaneous bacteria are easy to propagate, and more reliably by the antibacterial of the storage room in the refrigerated temperature zone and the antibacterial of the food It is possible to improve the storage stability and reduce harmful substances such as agricultural chemicals attached to the food, thereby further improving the food safety.

  Hereinafter, an embodiment of a food storage according to the present invention will be described with reference to the drawings.

(Embodiment 1)
1 is a side sectional view of a refrigerator according to Embodiment 1 of the present invention.

  In FIG. 1, the refrigerator 100 is partitioned into a refrigerator compartment 102, a vegetable compartment 103, and a freezer compartment 104 from above by a partition plate 101.

  Further, in order to cool the refrigerator 100, the refrigeration cycle is composed of a compressor, a condenser, a decompression device (not shown) such as an expansion valve and a capillary tube, a cooler 105, piping connecting these components, a refrigerant, and the like. The storage room of the refrigerator 100 is cooled by the cold air generated by the refrigeration cycle.

  Further, the refrigerator 100 has a fan 106 for conveying the cold air cooled by the cooler 105 to each storage room space, and a cooling air passage 107 for conveying the cold air blown by the fan 106 to each storage room space. Yes, the air passage 107 is thermally insulated by each storage chamber and the partition plate 101.

  Further, the cooling air passage 107 is provided with a refrigerator compartment damper 108 between the cooler 105 and the refrigerator compartment 102, and the vegetable compartment damper 109, the cooler 105 and the refrigerator compartment between the condenser 105 and the vegetable compartment. A freezer damper 110 is provided between them.

The refrigerator compartment 102 of each storage compartment of the refrigerator 100 is configured to keep the set temperature at 3 degrees, the vegetable compartment 103 at 5 degrees, and the freezer compartment 104 at -18 degrees. Here, the refrigerator compartment damper 108, the vegetable compartment damper 109, and the freezer compartment damper 110 are controlled to open and close when the cool air cooled by the cooler is sent to each room by a fan in order to maintain the set temperature of each room. ing.

  In addition, the vegetable compartment 103 may be 0 degrees or less due to cooling from the freezer compartment 104 that is in contact with the lower surface −18 degrees. For this reason, a vegetable room heater 111 is provided on the lower surface of the vegetable room 103 as means for keeping the vegetable room 103 at 5 degrees to warm the lower surface of the vegetable room 103.

  Moreover, under the cooler 105, frost adheres to the cooler 105 due to moisture generated from food stored in the refrigerator 100, and a defrost heater 112 is provided for melting the frost. When the defrost heater 112 is in operation, in order to prevent the air heated by the defrost heater 112 from flowing into the refrigerator compartment 102, the vegetable compartment 103, and the freezer compartment 104 and increasing the temperature of each storage compartment, the refrigerator compartment damper 108 and vegetables The chamber damper 109 and the freezer damper 110 are controlled to be closed to prevent a temperature rise.

  The vegetable compartment 103 includes an ozone generator 210 that generates ozone for decomposing and removing harmful substances such as agricultural chemicals attached to the surfaces of vegetables and fruits stored in the vegetable compartment 103 by oxidative decomposition. . The light source is an activation promoting means for accelerating the decomposition of harmful substances such as agricultural chemicals in the present embodiment, and has a predetermined wavelength for activating the biological defense reaction of the fruits and vegetables stored in the vegetable room 103 as the storage room. Is a light emitting diode (LED). The activated fruits and vegetables have increased vitamins, which are antioxidants, and at the same time as the decomposition of harmful substances such as agricultural chemicals by ozone, the increased vitamins in the fruits and vegetables decompose the harmful substances such as agricultural chemicals attached to the surface of the fruits and vegetables. Is what you do. Thereby, decomposition | disassembly of the agrochemical by ozone can be accelerated | stimulated. In addition, ozone adsorption filter 222 as an ozone amount reducing means for reducing the amount of ozone after decomposing harmful substances adhering to the surface of vegetables and fruits by ozone, adhering to the surface of vegetables and fruits by ozone The vegetable compartment 103 is also provided with a spraying device 223 which is a post-decomposition substance reducing means for reducing post-decomposition substance generated after decomposing harmful substances.

  The operation and action of the food storage configured as described above will be described below.

  First, ozone is generated from an ozone generator 210 installed in the vegetable compartment 103 to fill the vegetable compartment 103 in which vegetables and fruits are stored. The full ozone comes into contact with harmful substances such as pesticides adhering to the surface of vegetables and fruits, and these harmful substances undergo a chemical reaction between ozone and oxidative decomposition, and are decomposed into safe and harmless substances. .

  Here, the decomposition and removal by ozone generated from the ozone generator 210 is oxidative decomposition, so that the higher the concentration of ozone, the faster the oxidative decomposition proceeds. As a result, these harmful substances can be decomposed efficiently. If ozone has a high concentration, there is an adverse effect on the human body, and there is a concern that the odor is anxious. Therefore, the ozone concentration should be as low as possible. Therefore, in order to keep the vegetable compartment 103 at an ozone concentration of 0.03 ppm or less, which is an ozone concentration that does not adversely affect the human body and does not bother with the smell of ozone, the ozone generator 210 repeatedly stops operation and the operation rate is It is controlled to be 17%, and the ozone concentration is controlled not to rise above 0.03 ppm.

On the other hand, when the vegetable compartment 103 is cooled, the cooled cool air is blown and discharged to the vegetable compartment 103 through the cooling air passage 107 by the fan 106. For this reason, the ozone filled in the vegetable compartment 103 is in an environment where it is easily diffused from the vegetable compartment 103 due to the air blown during cooling and the cold air flowing out. Therefore, while the vegetable compartment 103 is being cooled, the ozone generator 210 is controlled so that the operation rate is 45%, the operation rate of the ozone generator is increased, and the ozone lost from the vegetable compartment 103 due to diffusion is compensated. I'm driving. Thereafter, when the cooling to the vegetable compartment 103 is stopped, the ozone generator 210 supplies ozone again to the vegetable compartment 103 at an operation rate of 17%.

  Thus, when the cold air is flowing into the vegetable compartment 103, the ozone generator 210 increases the supply amount of ozone at an operation rate of 45%, and when the cold air is not flowing, the ozone generator 210 is set to 17%. By operating at a driving rate of%, even if the cooled cold air is diffused from the vegetable compartment 103 by the fan 106, the operating rate of the ozone generator is increased, so that it is stored in the vegetable compartment 103 inside the storage compartment. For the purpose of decomposing harmful substances such as residual agricultural chemicals adhering to the surface of the vegetables, a small amount of ozone as 0.03 ppm can be efficiently and reliably filled with ozone.

  That is, the ozone generator 210 provided in the vegetable room may have a small capacity, can achieve an ozone concentration that is more effective in resource saving and energy saving, and a relatively small amount even if ozone flows out of the storage room. Therefore, it can be said that it is a configuration that further considers the safety of the user.

  Further, an ozone concentration sensor may be attached to the vegetable compartment 103 so that the ozone concentration does not increase, and the ozone generator 210 may be controlled so that the ozone concentration in the vegetable compartment 103 is 0.03 ppm or less.

  The light source that is the activation promoting means is an LED element, but in order to efficiently activate the biological defense reaction of fruits and vegetables, blue light having a center wavelength of 470 nm is used as a wavelength to penetrate the surface of the fruits and vegetables. It is desirable to use green light having a central wavelength of 520 nm as a wavelength for allowing light to penetrate into the inside of the glass. At this time, it is appropriate that the irradiation intensity from the light-emitting source 13 including the blue LED and the green LED that irradiates the target object (fruits and vegetables) is in the range of 5 to 500 Lx.

  As for this irradiation intensity, when the irradiation intensity is less than 5 Lx, an increase in vitamin, which is an antioxidant substance, which increases as a biological defense reaction by light irradiation is unlikely to occur. In addition, when the irradiation intensity is weak enough to be less than 5Lx, it becomes illuminance that is difficult for a consumer user to recognize lighting when the door is opened and closed. It is difficult to obtain appealing effects such as appealing effects.

  On the other hand, if it exceeds 500 Lx, the amount of light is too strong, and conversely, the transpiration of fruits and vegetables may be promoted and the freshness may be lowered, and the irradiated light may be bent or discolored depending on the case. Quality degradation is likely to occur. In addition, when the door is opened and closed, if the amount of light is too strong, the consumer user tends not to have a refreshing feeling as a refrigerator.

  Taking these into consideration, the light intensity of the light source 221 is an effective range in which the illuminance range of 20 to 100 Lx can increase vitamins that are antioxidants in terms of function, and does not promote the transpiration of fruits and vegetables. It is more preferable as an illuminance range in which the user can experience the functional effect of light irradiation from the light source when opening and closing the door, and can have a refreshing feeling.

  In addition, the green light irradiation intensity is preferably stronger than the blue light irradiation intensity. In this embodiment, the illuminance of the green LED is configured so that the illuminance ratio of the blue LED is about 3 to 10 times. .

In an actual product, when confirming the intensity of the irradiation ratio, the intensity of the illuminance of the storage space itself can be confirmed by an illuminometer. Specifically, when irradiating two colors at the same time, change the control board, etc., and measure the illuminance by irradiating one color at a time, and confirm the intensity of illuminance at each wavelength, that is, each color. Can do.

  This is because green light is a light with a wavelength that has few side effects on fruits and vegetables. To increase the amount of vitamins that are antioxidants in fruits and vegetables, the intensity of green light that penetrates the fruits and vegetables increases the quality of the fruits and vegetables. It is effective in increasing the amount of vitamins without deteriorating. According to experiments, it has been found that the illuminance of light is effective when the green light is set in a range of about 3 to 10 times that of blue light. In other words, if it is less than 3 times, the effect of increasing the amount of vitamins in the fruits and vegetables is not sufficient, and if it exceeds 10 times, it is difficult to expect the effect of increasing the amount of vitamins on the surface of fruits and vegetables. The effect of increasing the amount of vitamins is difficult to obtain.

  In addition, for fruits and vegetables, intermittent irradiation is more irritating to vegetables than continuous lighting, and in addition to the production of vitamin C by photosynthesis, it promotes the production of vitamin C, an antioxidant in the defense reaction of vegetables. Since the removal of harmful substances such as pesticides can be further promoted, the light source 221 simultaneously performs flashing irradiation (intermittent irradiation) of a green LED and a blue LED at any frequency within a range of 20 to 50 Hz, around 40 Hz. ) Is preferably controlled.

  This feels like a warning that when the user can clearly see the flashing, which is intermittent irradiation, by slowly blinking at 20 Hz or less, the light is blinking to notify the user of any abnormality. Problems such as giving a psychological pressure by continuing to watch flashing, and inducing anger such as frustration from visual stimuli.

  Further, such a frequency of 20 Hz to 50 Hz is flashed at a frequency of 50 Hz or less which is a power supply frequency in other countries such as Japan, China, and European countries. Then, by using a lighting device or LED that is used at a power supply frequency that is generally widespread by using a frequency that is lower than the power supply frequency, by performing blinking irradiation at a frequency lower than those, the light source 221 Reliability can be increased.

  The wavelengths emitted by the light source 221 are blue and green, but may be infrared wavelengths that induce vibrations of molecules constituting harmful substances such as agricultural chemicals.

  The wavelength including the infrared region is preferably a wavelength that resonates with the vibration of the molecules constituting the pesticide, and the wavelength is considered to exist in the infrared region. More specifically, the infrared absorption spectrum of the target agricultural chemical is used, and the wavelength corresponding to the valley portion of the spectrum, such as the wavelength of the strongest absorbing portion, is preferable. For example, “—CH 3” is often present as a functional group in the molecular structure of harmful substances such as agricultural chemicals. The infrared absorption spectra of the functional group of —CH 3 are 3378 nm (wave number 2960 / cm) and 3484 nm (wave number 2870). / Cm). For this reason, assuming that the wavelengths emitted from the light source 220 include infrared regions of 3378 nm (wave number 2960 / cm) and 3484 nm (wave number 2870 / cm), “−” Decomposition tends to occur at the CH3 "portion.

  Further, for example, a wavelength specified from an infrared absorption spectrum of an organophosphorus pesticide such as chlorpyrifos, malathion, or quinalphos, or a pyrethroid pesticide such as permethrin is preferable. This is because it is an agrochemical that is often used in foods and is likely to remain in foods. In addition, organophosphorus pesticides are pesticides that are more toxic than other pesticide species, and if possible, they can be removed to further improve safety to the human body. Moreover, since the wavelength of these infrared rays exists in 1250 nm (wave number 800 / cm)-3333 nm (wave number 3000 / cm), it is desirable that the wavelength which the light source 220 discharge | releases is this wavelength range.

  Moreover, it is also possible to use a light source as an ozone activation means by including the wavelength which ozone activates in the infrared wavelength of a light source. For example, the wavelength in the infrared region that ozone absorbs. This is because if ozone is activated, decomposition of harmful substances such as agricultural chemicals is promoted.

  Therefore, the wavelength including the infrared region can be used as an activating means for activating harmful substances such as agricultural chemicals and at the same time as an ozone activating means for activating ozone. It is a wavelength that produces a synergistic effect that can be decomposed.

  The light emission method of the light source 221 is preferably a method that easily decomposes harmful substances such as agricultural chemicals. For example, when the ozone concentration in the vegetable compartment 120 is equal to or higher than a predetermined value, that is, harmful substances such as agricultural chemicals are decomposed by ozone. A method of driving the light source 221 only in the case is conceivable. The predetermined value is preferably 0.01 ppm or more in consideration of the decomposition efficiency of harmful substances such as agricultural chemicals. It is also an effective means to make the light source 221 blink at a light emission interval corresponding to a multiple or divisor of the natural frequency of the molecules constituting the agricultural chemical. As a result, it is considered that light energy can be efficiently input to the pesticide, and the molecular bonds of harmful substances such as the pesticide are cut off with ozone, which makes it easier to decompose.

  Note that although a light emitting diode is used as the light source 221 in this embodiment mode, the present invention is not limited to this, and a light source 221 that emits light may be used. In addition, when a light source 221 that includes a plurality of light emitting diodes that emit light having different wavelengths is used as the light source 221, a more multilayered effect can be obtained.

  On the other hand, since the removal of harmful substances by ozone is performed by an oxidation reaction, generally, the higher the temperature, the better the temperature of ozone is better because the oxidative decomposition can be accelerated. In addition, the amount of ozone generated from the ozone generator 210 increases as the resistance value in the electric circuit decreases, so that the ozone temperature in the vegetable compartment 103 becomes higher than 0.03 ppm because the temperature is lower and the risk of becoming higher than 0.03 ppm is increased. In order to suppress the amount of ozone generated from the ozone generator 210, it is better to set the ozone generator 210 to a high temperature, that is, the ambient temperature in the vicinity of the ozone generator 210 may be set to a high temperature zone. Thus, by installing the ozone generator 210 at a high temperature, it is possible to easily suppress the amount of ozone generated without using special means. In this way, by controlling the amount of ozone, it becomes easier to control the ozone at a low concentration of 0.03 ppm, and further decomposition of harmful substances such as agricultural chemicals can be achieved even at an ozone concentration lower than 0.03 ppm. Can be promoted.

  Here, in this Embodiment, since the upper side adjacent to the vegetable compartment 103 which is a storage room which supplies ozone is the refrigerator compartment 102, and the adjacent lower side is the freezer compartment 104, the upper surface of the vegetable compartment 103 is It is in contact with the refrigerator compartment 102 kept at 5 ° C., and is kept at −18 ° C. on the lower surface and in contact with the freezer compartment 104. For this reason, the vegetable compartment 103 is configured to keep the temperature of the vegetable compartment 103 at 5 ° C., but is also affected by the temperature from the adjacent storage compartment. That is, due to the influence of the temperature of the refrigeration chamber 102 kept at 3 degrees in contact with the upper surface and the temperature of the freezing chamber of −18 ° C. in contact with the lower surface, temperature variation occurs in the vegetable chamber, and the temperature of the upper portion of the vegetable chamber 103 Becomes higher than the temperature at the bottom of the vegetable compartment 103. Moreover, in the front-back direction of the vegetable compartment 103, since the air cooled by the cooler 105 is blown from the cooling air passage 107 installed on the back surface, the rear surface of the vegetable compartment 103 is exposed to cold air. The temperature in the back of the vegetable room is lower than the front. From these things, although the vegetable compartment 103 is a structure maintained at 5 degree | times, the temperature nonuniformity has arisen in the vegetable compartment 103, and the temperature in the vegetable compartment becomes the highest temperature zone in the near front.

From these viewpoints, from the viewpoint of reducing the ozone concentration, to devise the mounting position of the ozone generator to make it easy to control to a low concentration of 0.03 ppm, and to further promote the ozonolysis of harmful substances such as agricultural chemicals Although it is effective in actual use conditions to keep the temperature of the ozone generator 210 at a relatively high temperature, it is the highest in the temperature distribution of the vegetable compartment 103 maintained at 5 ° C. as a practical method. The ozone generator 210 is disposed on the wall surface side of the storage room in the temperature zone, that is, in the adjacent storage room, the upper temperature side of the storage room in the higher temperature zone.

  As described above, in this embodiment, as one of the ozone amount reducing means, the ozone generator is disposed in a portion having a high temperature distribution for the purpose of increasing the temperature around the ozone generator.

  Furthermore, in this Embodiment, in the front-back direction, it is provided in the vegetable room near side, and is provided in the near side of the heat insulation wall between the vegetable room and the adjacent refrigerator compartment.

  However, depending on the type of the ozone generator 210, it may be necessary to attach it to a place where the user cannot easily touch it, especially when high voltage flows to the ozone generator 210, the user's safety is emphasized, In some cases, it is necessary to provide the storage room on the wall side of the adjacent storage room and on the back side in the front-rear direction, and it is desirable to provide it in an appropriate place in consideration of problems in actual use.

  Further, in the present embodiment, in addition to the configuration in which the ozone generation device is provided in the high temperature range as the ozone amount reduction means, the ozone adsorption filter 222 is provided in the storage chamber, and thus the ozone amount reduction means is provided. By using an ozone adsorption filter, the amount of ozone can be reduced with energy saving without using electrical energy.

  These ozone amount reducing means can be used alone, but the effect can be enhanced by using them in combination.

  As a method for accelerating oxidative decomposition by ozone, there is a method for increasing the pressure of ozone. As a means of utilizing this method, when the ozone generator 210 is operating, the refrigerator 106 and the freezer compartment damper 110 are closed, and the vegetable compartment damper 109 is opened and the fan 106 is opened. It can be driven to increase the pressure in the vegetable compartment 103. Thereby, ozonolysis can be promoted.

  On the other hand, after decomposing harmful substances such as agricultural chemicals adhering to the surface of vegetables and fruits with ozone having a low concentration of 0.03 ppm, the decomposed substances are generated. This decomposed substance is less harmful than the original harmful substance, but if possible, a substance to be removed may be generated. In view of this, the sprayed device for spraying water onto the surface of the vegetables and fruits stored in the vegetable compartment 103 as the post-decomposition substance reduction means is driven to reduce the post-decomposition substance. This is because harmful substances such as agricultural chemicals attached to the surface of vegetables and fruits by ozone are decomposed by ozone, but the decomposed substances after ozone decomposition have a lower molecular weight than the original harmful substances, and Since -OH and = O are likely to be generated in the functional group of the harmful substance by the oxidation reaction, it becomes easy to dissolve in water. Therefore, the decomposed substance is dissolved in the water sprayed by the spray device 223 of the post-decomposition substance reducing means. It is made to hydrolyze by.

  Further, as another form of the post-decomposition substance reducing means, a UV lamp that irradiates an ultraviolet wavelength may be provided, and the post-decomposition substance may be decomposed by irradiation with the UV lamp.

  Moreover, since the molecular weight of the decomposed substance is smaller than that of the original harmful substance, it may evaporate or float in the air. These transpiration and floating substances after decomposition are collected by a decomposition reaction using photocatalyst by collecting the substances after decomposition with a filter such as activated carbon containing photocatalyst in the cool air outflow passage of vegetable compartment 103 and applying light. Also good.

  As described above, in the present embodiment, the ozone generator 210 in the vegetable compartment 103 and harmful substances such as residual agricultural chemicals attached to the vegetable surface stored in the vegetable compartment 103 by the ozone generated in the ozone generator 210. By disposing ozone amount reducing means for reducing the ozone amount in the vegetable compartment 103 after the decomposition, the ozone amount can be reliably suppressed even when the ozone concentration is increased under some conditions.

  Moreover, by providing the ozone amount reducing means in the present invention with an ozone discharge mechanism for discharging the air in the vegetable compartment 103 from the vegetable compartment 103 to the outside of the refrigerator 100, the amount of ozone can be reduced more reliably.

  In addition, in this embodiment, the ozone adsorption filter 222 is provided in the storage chamber in addition to the configuration in which the ozone generation device is provided in the high temperature zone as the ozone amount reduction means. It is desirable to provide an ozone discharge mechanism as an ozone amount reducing means that opens the partition plate, attaches a fan, and discharges the air from the vegetable compartment 103 to the outside of the refrigerator 100 from the vegetable compartment as ozone reduction means. . According to this, even if the ozone concentration increases for some reason, it becomes possible to discharge ozone promptly, so that the safety of the user can be further improved.

  In this embodiment, the ozone adsorption filter 222 is used as the ozone amount reducing device. However, the UV lamp that irradiates ultraviolet rays can also be used as the ozone amount reducing means. By driving the promotion device 211, harmful substances such as agricultural chemicals adhering to the surface of vegetables and fruits are decomposed and removed, and at the same time, a UV lamp that irradiates ultraviolet rays, which is an ozone amount reducing means and a substance reducing means after decomposition, is turned on. As a result, ozone is decomposed into oxygen molecules by irradiating the UV lamp with the remaining ozone after decomposing and removing harmful substances. As a result, the ozone filled in the vegetable compartment 103 is reliably removed.

  In addition, a water spray device may be used as the other device. Water is sprayed on the surface of vegetables and fruits by the water spray device, and ozone is dissolved in the water to locally produce ozone water having a concentration of 0.03 ppm or more. In addition, ozonolysis of harmful substances such as agricultural chemicals on the surface of vegetables and fruits can be efficiently performed.

  In the present embodiment, the ozone generator is disposed in a portion having a high temperature distribution for the purpose of increasing the temperature around the ozone generator as the ozone amount reducing means of the ozone generator. As a means for increasing the temperature of the generator 210, the frost adhering to the cooler 204 is melted, so that the vegetable compartment damper 109 is closed during the operation of the defrost heater 112 to prevent the temperature of the vegetable compartment 103 from rising. However, after the operation of the defrost heater 112, the vegetable compartment damper 109 may be opened and the fan 106 may be driven to introduce the high-temperature air after defrost into the vegetable compartment 103 to raise the temperature of the ozone generator 210.

  As another method for raising the temperature of the ozone generator, the ozone generator 210 may be provided near the vegetable room heater 111 provided at the lower part of the vegetable room 103 in order to increase the temperature of the ozone generator 210. Good.

(Embodiment 2)
FIG. 2 is a perspective view of the food storage according to the second embodiment with the door removed, and FIG. 3 is a longitudinal sectional view of the refrigerator compartment of the food storage according to the second embodiment.

In the second embodiment, detailed description of the same parts as the configuration and technical idea described in the first embodiment is omitted, and the technical idea similar to the contents described in the above embodiment can be applied. As for the configuration, it is possible to realize a configuration combined with the technical contents and configurations described in the above embodiments.

  As shown in FIGS. 2 and 3, the food storage according to the present embodiment includes a refrigerator 300 that is a food storage, a freezer box 301 that is partitioned in the refrigerator 300 that is a food storage, and a refrigerator indoor box 302. Is divided into a freezer compartment 303 and a refrigerating compartment 304, and a refrigerator main body 307 having a machine room 306 for storing a compressor (not shown) and a condenser 305 at the lower back and a hinged open / close freezer compartment door (not shown). And a refrigerating chamber door 308. The compressor, condenser 305, switching valve (not shown), first decompression means (not shown), and second decompression means (not shown) are included therein. ) A refrigeration evaporator (not shown) and a refrigeration evaporator 309, and a refrigeration system in which a refrigerant such as hydrocarbon gas is enclosed.

  The refrigerator compartment 304 includes a first partition shelf 310, a second partition shelf 311, a third partition shelf 312, a first storage case 313, a second storage case 314, and a third storage case 315. The inside of the refrigerator compartment 304 is divided into seven sections.

  Further, the refrigerator compartment door 308 is a rotary door, and when a user stores food in the refrigerator compartment 304, the rotary refrigerator compartment door 308 is opened by rotating and the storage case 315 is further pulled out. Suitable for storing foods you want to preserve.

  Furthermore, a refrigeration cooling air passage 316 and a fan 317 for circulating cold air in the refrigerating chamber 304 are provided on the back surface inside the refrigerating chamber 304, and the refrigeration cooling air passage 316 has a first outlet 318 for blowing out the cold air, A second air outlet 319, a third air outlet 320, and a fourth air outlet 321, and a first air inlet 322, a second air inlet 323, and a third air inlet 324 for sucking return air are provided.

  The upper part of the third storage case 315 is provided with a partition plate 326. The partition plate 326 includes an ozone generator 327, partition means 328 for partitioning the ozone generator from the refrigerator compartment, and a light source 329. Yes. The storage case 315 is provided with a lid 330. The partition means 328 can be attached to and detached from the partition plate 326.

  The ozone generator 327 is a device that can generate ozone to be supplied to the storage case 325 disposed in the space partitioned by the partition plate 326 that partitions the refrigerator compartment 304. 4 is a perspective view of the storage case 315, the partition plate 326, and the ozone generator according to Embodiment 2 of the present invention. As shown in the figure, the ozone generator 327 is a lower surface of the partition plate 326. It is embedded on the side toward the inside of the storage case 315.

  On the other hand, the lid 330 of the storage case 315 is also provided with a hole. The partition means 328 is a member made of a thin plate that partitions the ozone generator 327 and the storage chamber. Similarly, a hole is provided in the lower surface portion of the partition means 328, and ozone gas generated from the ozone generator 327 is separated from the partition means 328. It passes through the lid 330 and flows into the storage case 315.

  In addition, the partition unit 328 and the lid 330 are separately configured parts, but the present invention is not particularly limited thereto. The partition unit 328 has a shape that allows the storage case 315 to be sealed and does not include the lid 330. It doesn't matter.

  Furthermore, in this embodiment, the partition means 328 is provided between the storage case 315 that becomes high humidity due to transpiration from vegetables and the ozone generator 327, so that the upper part of the partition means 328, that is, the vicinity of the ozone generator 327 is provided. It becomes possible to maintain the humidity lower, and the ozone generated from the ozone generator 327 is prevented from being consumed by the humidity.

  In addition, the light source 329 that is an activation means is an activation promotion means that promotes decomposition of harmful substances such as agricultural chemicals in the present embodiment, and is a predetermined activation that activates the biological defense reaction of fruits and vegetables stored in the storage case 315. It is a light emitting diode (LED) that emits a wavelength of. The activated fruits and vegetables have increased vitamins, which are antioxidants, and at the same time as the decomposition of harmful substances such as agricultural chemicals by ozone, the increased vitamins in the fruits and vegetables decompose the harmful substances such as agricultural chemicals attached to the surface of the fruits and vegetables. Is what you do. Thereby, decomposition | disassembly of the agrochemical by ozone can be accelerated | stimulated.

  Further, the light source 329 is disposed inside the partition plate 326. This is to prevent light having a predetermined wavelength from being absorbed due to condensation of the light source 329 and reducing the decomposition efficiency of the agricultural chemical.

  Therefore, it is desirable that at least the partition unit 328 is made of a material that can sufficiently transmit light having a necessary wavelength among light emitted from the light source 329.

  Further, the partition plate 326 has an ozone adsorption filter as an ozone amount reducing means for reducing the amount of ozone after decomposing harmful substances adhering to the surface of vegetables, fruits and the like by ozone generated from the ozone generator 327. 331. A post-decomposition substance reducing means for reducing post-decomposition substances generated after decomposing harmful substances adhering to the surface of vegetables and fruits with ozone is provided.

  About the refrigerator comprised as mentioned above, the operation | movement is demonstrated below.

  During the operation of the refrigerator, the high-temperature and high-pressure refrigerant compressed by the compressor is cooled and condensed by the condenser 305 to become a liquid refrigerant. The refrigerant condensed in the condenser 305 flows to the first decompression means or the second decompression means by the switching valve and is decompressed to become a low-pressure low-temperature gas-liquid two-layer refrigerant.

  Here, the refrigerant that has flowed to the first decompression means flows through the refrigeration evaporator, evaporates in the freezer compartment 303, cools the inside of the freezer compartment 303 by the heat of vaporization, and is sucked into the compressor again.

  In addition, the refrigerant that has flowed to the second decompression means by the switching valve flows from the refrigeration evaporator 309 to the refrigeration evaporator and evaporates in the refrigeration chamber 304 and the freezing chamber 303, thereby refrigeration by the heat of evaporation and evaporation. The inside of the chamber 304 and the freezing chamber 303 is cooled and sucked into the compressor again.

  Here, the cold air obtained by the heat of vaporization of the liquid refrigerant in the refrigeration evaporator 309 flows through the refrigeration cooling air passage 316 by the fan 317, and the first air outlet 318, the second air outlet 319, Each section is cooled by being blown out from the third blowout port 320 and the fourth blowout port 321.

  Further, the inside of the second storage case 314 and the third storage case 315 is cooled by the return air that has cooled the other compartments flowing inside and outside the case.

  The relatively high-temperature return air sucked from the first suction port 322, the second suction port 323, and the third suction port 324 evaporates the liquid refrigerant in the refrigeration evaporator 309 due to the temperature difference and generates heat. Is taken to a low temperature, and is again led into the cabinet by the fan 317 to cool each section.

Next, the ozone generator 327 in the storage case 315 is driven to generate ozone gas, and the storage case 315 in which the fruits and vegetables are stored is filled with ozone gas. At this time, the filled ozone gas has a low concentration of 0.03 ppm. Then, the filled low concentration ozone gas comes into contact with harmful substances such as agricultural chemicals adhering to the surface of fruits and vegetables, and these harmful substances cause an oxidative decomposition reaction with ozone and decompose them into harmless and safe substances. . Simultaneously with the decomposition and removal by ozone gas, light is emitted from the light source 329 to activate the biological defense reaction of the fruits and vegetables to increase the release of vitamin C which is an antioxidant. Oxidative decomposition of harmful substances such as agricultural chemicals.

  At this time, since the ozone generator 327 and the storage case 315 are located at the lowest position in the refrigerator compartment 304, ozone heavier than air can be efficiently accumulated in the storage case 315. As a result, 0.03 ppm and a small amount of ozone can be efficiently and reliably filled into the storage case 315, and the storage case 315 has antibacterial and food antibacterial preservation, and harmful substances such as agricultural chemicals attached to the food. It is possible to reduce and increase food safety.

  In addition, since the storage case 315 is located at the lowest position, even when ozone flows out of the refrigerator due to taking in and out of food, high-concentration ozone can be quickly discharged downward. The possibility of inhaling ozone is reduced, and a safer refrigerator can be provided.

  On the other hand, after the cool air blown from the first outlet 318, the second outlet 319, the third outlet 320, and the fourth outlet 321 cools the storage case 315 by natural convection, In the circulation of cold air that is sucked into the second suction port 323 and returned to the refrigeration evaporator 309 again, after ozone gas generated from the ozone generator 327 flows into the storage case 315, some ozone gas is circulated in this cold air circulation. The refrigeration cooling air path is sucked from the second suction port 323 by the flow and circulates to the first blowing port 318, the second blowing port 319, the third blowing port 320, and the fourth blowing port 321. 316 and the entire refrigerator compartment 304 are filled with ozone gas. As a result, not only the storage case 315 but also the refrigerated cooling air passage that is more prone to breeding germs can be intensively antibacterial with ozone, and more reliably by the antibacterial of the storage room in the refrigerated temperature zone and the antibacterial of the food It is possible to improve the storage stability and reduce harmful substances such as agricultural chemicals attached to the food, thereby further improving the food safety.

  In addition, since the ozone generator 327 includes the ozone generator in the storage compartment located most downstream in the refrigerator compartment 304, the storage compartment located most downstream in the refrigeration cooling air passage is the storage compartment of each storage compartment. Since cold air containing various germs flows in, it is possible to concentrate antibacterial with ozone even though it is an environment where germs are easy to propagate. In addition, it has the effect of improving the preservation of food by antibacterial effects, reducing harmful substances such as agricultural chemicals attached to food, and improving food safety.

  In addition, the ozone generator 327 is not particularly required to be provided in the partition plate 326, and may be provided in the refrigeration cooling air passage 316. As a result, antibacterial action can be ensured with ozone in the refrigerated cooling air passage where germs are easy to propagate, and the antibacterial property of the storage room in the refrigerated temperature zone and the antibacterial property of the food are improved and adhered to the food. It can reduce harmful substances such as agricultural chemicals and improve food safety.

  In addition, the ozone generator 327 may include an ozone generator in a storage room or storage compartment having the highest temperature among the refrigerated temperature zone storage chambers. In spite of this, it is possible to concentrate antibacterial with ozone, improve the storage stability of the storage room in the refrigerated temperature zone and improve the preservability of the food by the antibacterial and reduce harmful substances such as agricultural chemicals attached to the food Therefore, it is possible to further improve food safety.

  Further, in the present embodiment, the ozone adsorption filter 331 is provided in the storage chamber as the ozone amount reducing means, and thus the ozone amount reducing means is made into an ozone adsorption filter without using electrical energy. The amount of ozone can be reduced by energy saving.

  These ozone amount reducing means can be used alone, but the effect can be enhanced by using them in combination.

  On the other hand, after decomposing harmful substances such as agricultural chemicals adhering to the surface of vegetables and fruits with ozone having a low concentration of 0.03 ppm, the decomposed substances are generated. This decomposed substance is less harmful than the original harmful substance, but if possible, a substance to be removed may be generated. Therefore, a water spray device that sprays water onto the surface of vegetables and fruits stored in the storage case 315 as a post-decomposition substance reduction means is driven to reduce the post-decomposition substance.

  Further, as another form of the post-decomposition substance reducing means, a UV lamp may be provided, and the post-decomposition substance may be decomposed by irradiation with the UV lamp.

  Moreover, since the molecular weight of the decomposed substance is smaller than that of the original harmful substance, it may evaporate or float in the air. These decomposed substances that have evaporated and floated are sucked from the second suction port 323 and passed through the refrigeration cooling air passage 316, and the first blower port 318, the second blower port 319, the third blower port 320, and the second 4 is blown out from the outlet 321 and may diffuse into the entire refrigerating chamber 304. Therefore, the post-decomposition substance reducing means is not only provided in the storage case 315 but also installed on the top surface of the refrigerating chamber 304. This is desirable because the user can use the refrigerator more safely.

  As another means for reducing the post-decomposition substance, the post-decomposition substance may be collected by a filter such as activated carbon contained in the photocatalyst and exposed to light to be removed by a decomposition reaction using the photocatalyst.

  As described above, in the present embodiment, the heat insulation box having a plurality of heat insulation sections, the refrigeration temperature zone storage room in which the internal temperature is maintained in the refrigeration temperature zone provided in the heat insulation box, the freezing temperature A refrigeration evaporator for cooling the refrigeration temperature zone storage chamber, and a refrigeration for cooling the refrigeration temperature zone storage chamber. An ozone generator for generating ozone to be supplied to the refrigerated temperature zone storage chamber, and an activating means for promoting the decomposition of harmful substances such as agricultural chemicals. Since the refrigerator has the highest ozone concentration in the storage room located at the bottom, it improves the preservability of the storage room in the refrigerated temperature range and the antibacterial properties of food, and protects harmful substances such as agricultural chemicals attached to the food. It is possible to reduce and increase food safety At the same time, the ozone concentration in the storage room located at the bottom is the highest, so even if the ozone flows out of the refrigerator due to the food being put in and out, the high concentration of ozone can be quickly drained downward. A highly safe refrigerator can be provided. The ozone generation device 327 is an ozone amount reduction means for reducing the ozone amount in the storage case 315 after decomposing harmful substances such as pesticides attached to the vegetable surface stored in the storage case 315 by ozone generated in the storage case 315. By providing the ozone adsorption filter 331, it is possible to reliably suppress the amount of ozone even when the ozone concentration increases due to some condition.

  Furthermore, by providing the ozone amount reduction means in the present invention with an ozone discharge mechanism that discharges the air in the storage case 315 from the storage case 315 to the outside of the refrigerator 300, the ozone amount can be reduced more reliably.

  In this embodiment, the storage case 315 is provided with the lid 330. However, the present invention is not limited to this, and the storage case 315 and the lid 330 are not provided, and the storage is partitioned by the partition plate 326. You can store food directly in the space. Alternatively, the partitioning means 328 and the lid 330 are separately configured parts, but the invention is not limited to this. The shape of the partitioning means 328 is such that the storage case 315 can be sealed and the lid 330 is not provided. It doesn't matter.

  In addition, the ozone generator 327 generates ozone gas in the storage space partitioned at the lowest position of the refrigerator compartment 304, so that when the door of the refrigerator 300 is opened, ozone gas heavier than air is less likely to directly touch the user's face. Thus, since the possibility of inhaling ozone gas from the user's mouth and nose to be sucked into the human body is reduced, the user can use the refrigerator 300 more safely.

  In addition, after the cool air blown from the first outlet 318, the second outlet 319, the third outlet 320, and the fourth outlet 321 cools the storage case 315 by natural convection, the second suction is performed. Although most of the ozone gas generated from the ozone generator 327 flows into the storage case 315 in the circulation of the cold air sucked into the mouth 323 and returned to the refrigeration evaporator 309 again, some of the ozone gas is in the circulation of this cold air. The entire refrigerator compartment 304 is sucked from the second suction port 323 by the flow and circulates to the first blower port 318, the second blower port 319, the third blower port 320, and the fourth blower port 321. The extremely low concentration of ozone gas is perfect. This not only removes residual agricultural chemicals from fruits and vegetables stored in the storage case 315 but also deodorizes the air in the refrigerator compartment 304 by the oxidizing power of the extremely low concentration ozone gas that reaches the entire refrigerator compartment 304. It also has the effect of being able to. At the same time, other foods stored in the refrigerator compartment 304 also have an antibacterial effect by ozone gas.

  In addition, although the refrigerator compartment door 308 is a single rotary door, the present invention is not limited to this. The door is opened as a plurality of doors and the storage case 315 is a storage case that is pulled out from the pull-out door. In this case, it is possible to directly store the fruits and vegetables in the storage case 315.

  The present invention can be applied to food storages, particularly storages and refrigerators for storing foods such as vegetables that have concerns about residual agricultural chemicals.

Side sectional view of the refrigerator according to Embodiment 1 of the present invention. The perspective view of the refrigerator in Embodiment 2 of this invention Side sectional view of the refrigerator according to Embodiment 2 of the present invention. The perspective view of the storage case 315, the partition plate 326, and the ozone generator in Embodiment 2 of this invention Schematic configuration diagram of a refrigerator equipped with a conventional ozone generator

DESCRIPTION OF SYMBOLS 100 Refrigerator 101 Partition plate 102 Cold room 103 Vegetable room 104 Freezer room 105 Cooler 106 Fan 107 Cooling air path 108 Cold room damper 109 Vegetable room damper 110 Freezer room damper 111 Vegetable room heater 112 Defrost heater 210 Ozone generator 211 Ozone decomposition promotion Device 222 Ozone adsorption filter 223 Spraying device 300 Refrigerator 301 Freezer compartment box 302 Refrigerator compartment box 303 Freezer compartment 304 Refrigerator compartment 305 Condenser 306 Machine room 307 Refrigerator body 309 Refrigerator evaporator 310 Partition shelf 311 Partition shelf 312 Partition shelf 313 Storage case 314 Storage Case 315 Storage Case 316 Refrigerated Cooling Air Path 317 Fan 318 Blowout Port 319 Blowout Port 320 Blowout Port 321 Blowout Port 322 First Suction Port 32 Second suction port 324 suction port 326 partition plate 327 ozone generator 328 partitioning means 329 light source 330 lid 331 ozone adsorption filter 332 spray device

Claims (10)

An ozone amount reduction that includes a storage chamber, an ozone generator that generates ozone to be supplied to the storage chamber, and a refrigeration cycle that generates cool air that cools the storage chamber, and suppresses an increase in ozone concentration in the storage chamber Refrigerator with means. The refrigerator according to claim 1, comprising an ozone adsorption filter as the ozone amount reducing means. The refrigerator according to claim 1, further comprising an ozone discharge mechanism that discharges air in the storage chamber from the storage chamber to the outside of the storage chamber as the ozone amount reduction unit. A heat insulation box having a plurality of heat insulation compartments, a refrigeration temperature zone storage room in which the inside temperature is kept in the refrigeration temperature zone provided in the heat insulation box, and a freezing temperature in which the inside temperature is kept in the freezing temperature zone A refrigeration evaporator for cooling the refrigeration temperature zone storage chamber, and a refrigeration evaporator for cooling the refrigeration temperature zone storage chamber, the refrigeration temperature An ozone generator for generating ozone to be supplied to the belt storage chamber, and an ozone amount reducing means for suppressing an increase in the ozone concentration in the storage chamber, and a storage chamber located at the lowest position in the refrigeration temperature zone storage chamber The refrigerator according to claim 1, wherein the ozone concentration is the highest. The refrigerator of Claim 4 provided with the ozone generator in the store room located in the lowest in a refrigerator temperature zone store room. The refrigerator of Claim 4 provided with the ozone generator in the storage compartment located in the lowest part inside the refrigeration temperature zone storage room. 7. The refrigeration cooling air passage through which the cold air cooled by the refrigeration evaporator flows and the refrigeration cooling air passage through which the cold air cooled by the refrigeration evaporator flows are independent. The refrigerator described. The cold air cooled in the refrigeration cooling chamber that houses the refrigeration evaporator provided separately from the storage chamber flows into the refrigeration temperature zone storage chamber via the refrigeration cooling air passage. A refrigerator according to claim 1. The refrigerator according to any one of claims 4 to 8, wherein an ozone generator is provided in a storage section located on the most downstream side of the refrigeration cooling air passage in the refrigeration temperature zone storage chamber. The refrigerator according to any one of claims 4 to 8, wherein an ozone generator is provided in a storage room or a storage section having the highest temperature among the refrigerated temperature zone storage rooms.