CN216135132U

CN216135132U - Pesticide residue removing device and refrigerator

Info

Publication number: CN216135132U
Application number: CN202121941449.XU
Authority: CN
Inventors: 伍志刚; 陆小宇; 陆啸天; 王喆
Original assignee: Hefei Hualing Co Ltd; Midea Group Co Ltd; Hefei Midea Refrigerator Co Ltd
Current assignee: Hefei Hualing Co Ltd; Midea Group Co Ltd; Hefei Midea Refrigerator Co Ltd
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2022-03-29
Anticipated expiration: 2031-08-18

Abstract

The utility model belongs to the technical field of electric appliances, and particularly relates to a pesticide residue removing device and a refrigerator. The pesticide residue removing device comprises: the frame is provided with a first air port and a second air port, and the first air port and the second air port are both communicated with the accommodating cavity; the photocatalyst is fixedly arranged in the frame and is arranged between the first air opening and the second air opening; and the ultraviolet lamp component is fixedly arranged in the frame so as to irradiate the accommodating cavity and the photocatalyst. The pesticide residue removing device and the refrigerator can remove pesticide residues, remove peculiar smell and sterilize.

Description

Pesticide residue removing device and refrigerator

Technical Field

The application belongs to the technical field of electrical appliances, and in particular relates to a pesticide residue removing device and a refrigerator.

Background

At present, the food safety problem causes wide public concern, food safety events occur frequently, pesticide in fruits and vegetables exceed standards seriously and report that the pesticide exceeds standards frequently, and people have color change to the pesticide, so that the development of a device for solving the pesticide residue on the fruits and vegetables has important significance.

At present, the methods for removing pesticide residues include a soaking method, a peeling method, an ozone method and the like, but these methods are complicated to operate, and the food materials are oxidized when the concentration of ozone is too high.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a pesticide residue removing device and a refrigerator, and aims to solve the technical problems that pesticide residues can be removed to a certain extent, the operation is complicated, and food materials can be oxidized due to too high ozone concentration.

The technical scheme of the utility model is as follows:

a pesticide residue removing device is characterized by comprising: the frame is provided with a first air port and a second air port, and the first air port and the second air port are both communicated with the accommodating cavity; the photocatalyst is fixedly arranged in the frame and is arranged between the first air opening and the second air opening; and the ultraviolet lamp component is fixedly arranged in the frame so as to irradiate the accommodating cavity and the photocatalyst.

Because the frame is provided with the first air port and the second air port, the first air port and the second air port are both communicated with the containing cavity, the photocatalyst is fixedly arranged in the frame, the photocatalyst is arranged between the first air port and the second air port, and the ultraviolet lamp assembly is fixedly arranged in the frame to irradiate the containing cavity and the photocatalyst, therefore, the ultraviolet lamp assembly irradiates the containing cavity, the ultraviolet light emitted by the ultraviolet lamp assembly can disinfect food materials placed in the containing cavity, toxic pesticide pollutants are degraded into non-toxic small molecular substances and inorganic ions, so as to remove most of pesticide remained on the surface of the food materials, meanwhile, the ultraviolet lamp assembly irradiates the photocatalyst, the exciting photocatalyst generates electron hole pairs, the electron hole pairs have extremely strong ability of competing for electrons, the air in the containing cavity reaches the photocatalyst through the first air port or the second air port, and the bacteria and odor molecules in the air and the electron hole pairs are subjected to oxidation reaction, make the bacterium die, the peculiar smell molecule degrades, finally produce innoxious substances such as carbon dioxide and water, at this moment, oxygen and water in the air are deprived the electron by electron hole pair, generate ROS (reactive oxygen species) active substance such as hydroxyl free radical, oxygen radical, ROS active substance not only reacts with bacterium and peculiar smell molecule in the air, and can get into through second wind gap or first wind gap and hold the chamber, react with bacterium and the pesticide on the edible material surface that holds the intracavity portion, thereby kill the bacterium, degrade the pesticide, guarantee the food material safety.

In some embodiments, the ultraviolet lamp assembly comprises: the lamp panel is fixedly arranged on the frame; the first ultraviolet lamps are fixedly arranged on the lamp panel and irradiate the accommodating cavity; and the second ultraviolet lamps are fixedly arranged on the lamp plate and are used for irradiating the photocatalyst.

A plurality of first ultraviolet lamps shine and hold the chamber, and the ultraviolet light that a plurality of first ultraviolet lamps sent can disinfect placing the edible material that holds the intracavity portion, degrades poisonous pesticide pollutant into nontoxic micromolecular material and inorganic ion to get rid of edible material surface remaining most pesticide, photocatalyst is shone to a plurality of second ultraviolet lamps, and the photocatalyst is excited to the excitation produces electron hole pair.

In some embodiments, a cover plate is fixedly disposed on the frame.

Through the first cavity of apron shutoff and second cavity, avoid holding edible material or debris in the chamber and get into first cavity and second cavity, guarantee the normal work of fan, simultaneously, also guarantee photocatalyst's safety.

In some embodiments, the cover plate is provided with a first air opening, and the air flow is realized through the first air opening.

In some embodiments, the pesticide residue removal device further comprises: and the fan is fixedly arranged in the frame.

The quick circulation of the air in the containing cavity is realized through the fan, and the efficiency of removing pesticide residues is improved.

In some embodiments, the pesticide residue removal device further comprises: the partition plate is fixedly arranged in the frame and divides the frame into a first cavity and a second cavity, the first cavity is communicated with the first air port, the second cavity is communicated with the second air port, a through groove is formed in the partition plate, and the through groove is communicated with the first cavity and the second cavity; the photocatalyst and the ultraviolet lamp component are both fixedly arranged in the first cavity; the fan is fixedly arranged in the second chamber

Separate photocatalyst and ultraviolet lamp subassembly and fan through the baffle, guarantee the normal work of fan, avoid influencing the air flow trend that holds the chamber, ensure that the air can contact with photocatalyst completely, improve reaction efficiency.

In some embodiments, the first chamber is L-shaped, and the photocatalyst and the ultraviolet lamp assembly are L-shaped; the shape of the second chamber is square, and the shape of the fan is square.

Guarantee the stability that first cavity supported photocatalyst and ultraviolet banks spare, simultaneously, guarantee the circulation trend of air, guarantee the stability that the fan was supported to the second cavity.

In some embodiments, a gasket is disposed between the photocatalyst and the first chamber.

The sealing pad seals a gap between the photocatalyst and the first chamber, so that the air flowing direction is prevented from being influenced.

In some embodiments, the photocatalyst comprises: and the supporting net is fixedly arranged in the frame, and titanium dioxide is coated on the supporting net.

The ultraviolet lamp component irradiates titanium dioxide on the supporting net to excite the titanium dioxide to generate electron hole pairs.

Based on the same concept of the utility model, the utility model also provides a refrigerator, comprising: a refrigerating chamber including a containing cavity and a plurality of pesticide residue removing devices

The refrigerating chamber is used for accommodating the accommodating cavity, so that the pesticide residue removing device can remove pesticide residues, peculiar smell and bacteria in the refrigerating chamber.

In some embodiments, the refrigerator further comprises a door body disposed at the refrigerating chamber, and a plurality of pesticide residue removing devices are fixedly disposed in the door body.

Can guarantee that the ultraviolet lamp subassembly shines on eating the material, guarantee the irradiation area of ultraviolet lamp subassembly, then, can guarantee to remove the incomplete device of farming and remove the incomplete, disinfect of farming and remove the effect of peculiar smell.

The beneficial effects of the utility model at least comprise:

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is an exploded view of the pesticide residue removing device of the present embodiment;

FIG. 2 is a first schematic view of the UV lamp assembly of the present embodiment;

FIG. 3 is a second schematic view of the UV lamp assembly of the present embodiment;

FIG. 4 is a schematic view showing a third structure of the ultraviolet lamp assembly of the present embodiment;

FIG. 5 is a first layout view of the pesticide residue removing device of the present embodiment;

fig. 6 is a second layout view of the pesticide residue removing device of the embodiment.

In the drawings:

the air inlet structure comprises a frame 10, a first air inlet 101, a second air inlet 102, a first cavity 103, a second cavity 104, a sealing plate 105 and a support plate 106;

a photocatalyst 20, a support net 201;

the ultraviolet lamp comprises an ultraviolet lamp assembly 30, a first lamp plate 301, a first ultraviolet lamp 302, a second ultraviolet lamp 303, a second lamp plate 304, a third lamp plate 305, a third ultraviolet lamp 306, a fourth ultraviolet lamp 307, a fourth lamp plate 308 and a fifth ultraviolet lamp 309;

a fan 40;

a partition plate 50;

a refrigerating chamber 60;

a door body 70;

a cover plate 80.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indications in the embodiments of the present invention are only used to explain the relative position relationship, the motion situation, and the like between the components in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The application is described below with reference to specific embodiments in conjunction with the following drawings:

the pesticide residue removing device and the refrigerator provided by the embodiment aim at solving the technical problems of pesticide residue removal, complex operation and oxidation of food materials due to too high ozone concentration to a certain extent.

Fig. 1 is an exploded view of the pesticide residue removing device of the present embodiment. With reference to fig. 1, the pesticide residue removing device of the present embodiment includes: a frame 10, a photocatalyst 20 and an ultraviolet lamp assembly 30. First wind gap 101 and second wind gap 102 have been seted up on the frame 10, and first wind gap 101 and second wind gap 102 all with hold the chamber intercommunication. The photocatalyst 20 is fixedly disposed in the frame 10, and the photocatalyst 20 is disposed between the first air opening 101 and the second air opening 102. The ultraviolet lamp assembly 30 is fixedly disposed in the frame 10 to irradiate the accommodating chamber and the photocatalyst 20. Namely: the first light emitting side of the uv lamp assembly 30 faces the accommodating chamber, and the second light emitting side of the uv lamp assembly 30 faces the photocatalyst 20.

In some embodiments, since the frame 10 is provided with the first air opening 101 and the second air opening 102, both the first air opening 101 and the second air opening 102 are communicated with the accommodating cavity, the photocatalyst 20 is fixedly disposed in the frame 10, the photocatalyst 20 is disposed between the first air opening 101 and the second air opening 102, and the ultraviolet lamp assembly 30 is fixedly disposed in the frame 10 to irradiate the accommodating cavity and the photocatalyst 20, so that the ultraviolet lamp assembly 30 irradiates the accommodating cavity, ultraviolet light emitted from the ultraviolet lamp assembly 30 can disinfect food materials placed in the accommodating cavity, degrade toxic pesticide pollutants into non-toxic small molecular substances and inorganic ions, thereby removing most of pesticide remaining on the surface of the food materials, and meanwhile, the ultraviolet lamp assembly 30 irradiates the photocatalyst 20, the photocatalyst 20 is excited to generate electron hole pairs, which have extremely strong ability of competing for electrons, and air in the accommodating cavity reaches the photocatalyst 20 through the first air opening 101 or the second air opening 102, bacteria and peculiar smell molecules in the air and the electron hole pairs are subjected to oxidation reaction, so that the bacteria die, the peculiar smell molecules are degraded, and finally harmful substances such as carbon dioxide, water and the like are generated.

Referring to fig. 1, in some embodiments, the photocatalyst 20 includes: the net 201 is supported. The support net 201 is fixedly disposed within the frame 10. In this embodiment, the support net 201 may be fixed and disposed in the frame 10 by bolts, which facilitates the assembly and disassembly. The support mesh 201 is coated with titanium dioxide.

In some embodiments, the supporting net 201 is fixedly disposed in the frame 10, the ultraviolet lamp assembly 30 irradiates titanium dioxide on the supporting net 201 to excite the titanium dioxide to generate electron hole pairs, the electron hole pairs have a strong ability to compete for electrons, air in the accommodating chamber reaches the supporting net 201 through the first air port 101 or the second air port 102, bacteria and odor molecules in the air and the electron hole pairs undergo oxidation reaction, so that the bacteria die, the odor molecules degrade, and finally harmless substances such as carbon dioxide and water are generated, at this time, oxygen and water in the air are deprived of electrons by the electron hole pairs to generate ROS (reactive oxygen species) active substances such as hydroxyl radicals and oxygen radicals, and the ROS active substances not only react with the bacteria and odor molecules in the air, but also enter the second air port 102 or the first air port 101 through the supporting net 201 to reach the accommodating chamber, and the bacteria and the pesticide on the surface of the food material in the accommodating cavity react, so that the bacteria are killed, the pesticide is degraded, and the safety of the food material is ensured.

In some embodiments, the material of the supporting net 201 may be aluminum, which is easy to obtain, cheap, and reduces the cost. Of course, in other embodiments, the material of the supporting net 201 may be stainless steel, plastic, etc.

With reference to fig. 1, in some embodiments, the pesticide residue removal device further comprises: a fan 40. The fan 40 is fixedly disposed within the frame 10. In this embodiment, a sealing plate 105 is fixedly disposed in the frame 10, the fan 40 is fixedly disposed on the sealing plate 105, and one side of the fan 40 is sealed by the sealing plate 105, so as to ensure the flow direction of air.

In some embodiments, the fan 40 is started to make the air in the accommodating cavity rapidly pass through the first air port 101 or the second air port 102 to reach the photocatalyst 20, bacteria and odor molecules in the air undergo an oxidation reaction with electron hole pairs, so that the bacteria die, the odor molecules degrade, and finally harmless substances such as carbon dioxide and water are generated, at this time, the oxygen and water in the air are deprived of electrons by the electron hole pairs to generate ROS (reactive oxygen species) active substances such as hydroxyl radicals and oxygen radicals, and the ROS active substances not only react with the bacteria and odor molecules in the air, but also enter the accommodating cavity through the second air port 102 or the first air port 101 under the action of the fan 40 to react with the bacteria and pesticides on the surface of the food material inside the accommodating cavity, so as to kill the bacteria, degrade the pesticides, ensure the safety of the food material, and ensure the rapid circulation of the air in the accommodating cavity, the efficiency of removing pesticide residues is improved.

Referring to fig. 1, in some embodiments, a plurality of support plates 106 are fixedly disposed on the sealing plate 105, and the fan 40 is fixedly connected to the support plates 106, and the fan 40 is supported by the support plates 106, so that a gap is formed between the fan 40 and the sealing plate 105, and air circulation is ensured.

With reference to fig. 1, in some embodiments, the pesticide residue removal device further comprises: a partition 50. The partition 50 is fixedly disposed within the frame 10 and divides the frame 10 into a first chamber 103 and a second chamber 104. In this embodiment, the partition 50 may be integrally formed with the frame 10 to ensure a secure connection. The first chamber 103 communicates with the first tuyere 101 and the second chamber 104 communicates with the second tuyere 102. The partition 50 is formed with a through groove communicating with the first chamber 103 and the second chamber 104, so that air flows between the first tuyere 101 and the second tuyere 102 through the through groove. The photocatalyst 20 and the ultraviolet lamp assembly 30 are both fixedly disposed in the first chamber 103. The fan 40 is fixedly disposed within the second chamber 104. Separate photocatalyst 20 and ultraviolet lamp subassembly 30 and fan 40 through baffle 50, guarantee fan 40's normal work, avoid influencing the air flow trend that holds the chamber, ensure that the air can contact with photocatalyst 20 completely, improve reaction efficiency.

In some embodiments, air is circulated between the first tuyere 101, the first chamber 103, the through slot, the second chamber 104, the photocatalyst 20, and the second tuyere 102.

Referring to fig. 1, in some embodiments, the first chamber 103 is L-shaped, and the photocatalyst 20 and the uv lamp assembly 30 are L-shaped, so that the shape of the first chamber 103 matches the shape of the photocatalyst 20 and the shape of the uv lamp assembly 30, thereby ensuring the stability of the first chamber 103 supporting the photocatalyst 20 and the uv lamp assembly 30, and ensuring the ventilation of air. The shape of the second chamber 104 is square, and the shape of the fan 40 is square, so that the shape of the second chamber 104 is matched with the shape of the fan 40, and the stability of the second chamber 104 for supporting the fan 40 is ensured.

In some embodiments, the shape of the first chamber 103 may also be annular, and the shape of the photocatalyst 20 and the uv lamp assembly 30 may also be annular, so that the shape of the first chamber 103 matches the shape of the photocatalyst 20 and the shape of the uv lamp assembly 30, thereby ensuring the stability of the first chamber 103 supporting the photocatalyst 20 and the uv lamp assembly 30, and simultaneously ensuring the circulation direction of air. The shape of the second chamber 104 may also be circular, and the shape of the blower 40 may also be circular, so that the shape of the second chamber 104 matches the shape of the blower 40, and stability of the second chamber 104 supporting the blower 40 is ensured.

In some embodiments, the dimensions of the first chamber 103 are matched to the shape of the photocatalyst 20 and the dimensions of the uv lamp assembly 30 to ensure stability of the first chamber 103 in supporting the photocatalyst 20 and the uv lamp assembly 30. The size of the second chamber 104 matches the size of the fan 40, ensuring the stability of the second chamber 104 supporting the fan 40.

In some embodiments, a sealing pad is disposed between the photocatalyst 20 and the first chamber 103, and the sealing pad seals a gap between the photocatalyst 20 and the first chamber 103, so as to avoid affecting the air flow direction. In the present embodiment, the gasket may be one or more of a sponge and a rubber.

Referring to fig. 1, in some embodiments, a cover plate 80 is fixedly disposed on the frame 10. In this embodiment, the cover plate 80 is fixed to the frame 10 by bolts, and is easily attached and detached. The cover plate 80 is used for blocking the first cavity 103 and the second cavity 104, so that food materials or sundries in the accommodating cavity are prevented from entering the first cavity 103 and the second cavity 104, normal work of the fan 40 is guaranteed, and meanwhile, safety of the photocatalyst 20 is also guaranteed.

Referring to fig. 1, in some embodiments, the cover plate 80 is provided with a first tuyere 101. The cover plate 80 is opposite to the sealing plate 105, so as to avoid influencing the flowing direction of air.

In some embodiments, when the blower 40 is an exhaust blower, the blower 40 is started, and air in the accommodating cavity enters the first chamber 103 through the first air opening 101, then sequentially passes through the blower 40, a gap between the blower 40 and the sealing plate 105, and a through groove formed in the partition plate 50, reaches the second chamber 104, and then reaches the photocatalyst 20, and then passes through the photocatalyst 20 and enters the accommodating cavity through the second air opening 102. When the blower 40 is a blower, the blower 40 is started, air in the accommodating cavity enters the second chamber 104 through the second air opening 102 and then reaches the photocatalyst 20, passes through the photocatalyst 20, then sequentially enters the first chamber 103 through the through groove formed in the partition plate 50, and sequentially enters the accommodating cavity through the gap between the blower 40 and the sealing plate 105, the blower 40 and the first air opening 101.

In some embodiments, the ultraviolet lamp assembly 30 may generate ultraviolet light and visible light, wherein the wavelength of the ultraviolet light is 370-600nm, which ensures that the ultraviolet light emitted by the ultraviolet lamp assembly 30 can sterilize the food material placed in the accommodating cavity, and degrades toxic pesticide pollutants into non-toxic small molecular substances and inorganic ions, thereby removing most of the pesticide remaining on the surface of the food material, and at the same time, ensures that the ultraviolet light emitted by the ultraviolet lamp assembly 30 irradiates the photocatalyst 20, and can excite the photocatalyst 20 to generate electron-hole pairs.

Fig. 2 is a schematic view of a first structure of the ultraviolet lamp assembly of the present embodiment. In conjunction with fig. 2, in some embodiments, the ultraviolet lamp assembly 30 includes: a lamp panel, a plurality of first ultraviolet lamps 302 and a plurality of second ultraviolet lamps 303. This lamp plate is first lamp plate 301. First lamp plate 301 is fixed to be set up on frame 10. In this embodiment, the first lamp panel 301 may be fixed to the frame 10 by bolts, so as to be easily disassembled and assembled. A plurality of first ultraviolet lamps 302 are fixed to be set up on first lamp plate 301, and a plurality of first ultraviolet lamps 302 shine and hold the chamber. Namely: the first luminous side of the ultraviolet lamp subassembly 30 that a plurality of first ultraviolet lamps 302 are constituteed, a plurality of first ultraviolet lamps 302 are fixed to be set up on the terminal surface of first lamp plate 301 orientation holding chamber. The plurality of second ultraviolet lamps 303 are fixedly disposed on the first lamp plate 301, and the photocatalyst 20 is irradiated by the plurality of second ultraviolet lamps 303. Namely: the second light-emitting side of the ultraviolet lamp assembly 30 composed of a plurality of second ultraviolet lamps 303, the plurality of second ultraviolet lamps 303 are fixedly arranged on the end face of the first lamp plate 301 facing the photocatalyst 20.

In some embodiments, fix first lamp plate 301 and set up on frame 10, a plurality of first ultraviolet lamps 302 shine and hold the chamber, and the ultraviolet light that a plurality of first ultraviolet lamps 302 sent will disinfect the food material of placing holding the intracavity portion, degrades poisonous pesticide pollutant into nontoxic small molecule material and inorganic ion to get rid of the remaining most pesticide in food material surface, simultaneously, photocatalyst 20 is shone to a plurality of second ultraviolet lamps 303, and photocatalyst 20 produces electron hole pair to the excitation.

In some embodiments, the number of the first ultraviolet lamps 302 is 10-20, preferably 15, so as to ensure that the ultraviolet light emitted by the first ultraviolet lamps 302 can irradiate on the food material placed in the accommodating cavity, and ensure the irradiation area. The number of the second ultraviolet lamps 303 is 5-15, preferably 10, to ensure that the ultraviolet rays emitted by the second ultraviolet lamps 303 irradiate the photocatalyst 20, so as to excite the photocatalyst 20 to generate electron-hole pairs.

Fig. 3 is a second structural diagram of the ultraviolet lamp assembly of the present embodiment. In conjunction with fig. 3, in some embodiments, the ultraviolet lamp assembly 30 includes: a second lamp panel 304, a third lamp panel 305, a plurality of third ultraviolet lamps 306, and a plurality of fourth ultraviolet lamps 307. A plurality of third ultraviolet lamps 306 are fixed to be set up on the terminal surface that second lamp plate 304 orientation held the chamber, shine through a plurality of third ultraviolet lamps 306 and hold the chamber, and the ultraviolet light that a plurality of third ultraviolet lamps 306 sent can disinfect the edible material of placing holding intracavity portion, degrades poisonous pesticide pollutant into nontoxic micromolecular material and inorganic ion to get rid of the most pesticide of eating material surface residual. The plurality of fourth ultraviolet lamps 307 are fixedly disposed on an end surface of the third lamp panel 305 facing the photocatalyst 20, and the photocatalyst 20 is irradiated by the plurality of fourth ultraviolet lamps 307 to generate electron-hole pairs when the photocatalyst 20 is excited.

Fig. 4 is a schematic view showing a third structure of the ultraviolet lamp assembly of the present embodiment. In some embodiments, in conjunction with FIG. 4, the UV lamp assembly 20 includes: a fourth lamp panel 308 and a plurality of fifth ultraviolet lamps 309. A plurality of through-holes have been seted up on fourth lamp plate 308, a plurality of through-holes and a plurality of fifth ultraviolet lamp 309 one-to-one, fifth ultraviolet lamp 309 can imbed in the corresponding through-hole, make one side of fifth ultraviolet lamp 309 shine and hold the chamber, disinfect the edible material of placing holding the intracavity portion, degrade poisonous pesticide pollutant into nontoxic small molecule substance and inorganic ion, thereby get rid of edible material surface remaining most pesticide, photocatalyst 20 is shone to the opposite side of fifth ultraviolet lamp 309, it is right to excite photocatalyst 20 to produce the electron hole.

Based on the same inventive concept, the application also provides a refrigerator, the refrigerator comprises a refrigerating chamber 60, the refrigerating chamber 60 adopts the pesticide residue removing device, the specific structure of the pesticide residue removing device refers to the above embodiments, and the pesticide residue removing device adopts all technical schemes of all the above embodiments, so that the refrigerator at least has all the beneficial effects brought by the technical schemes of the above embodiments, and the details are not repeated herein.

Fig. 5 is a first layout view of the pesticide residue removing device of the present embodiment, and in some embodiments, in combination with fig. 5, the refrigerator further includes a door 70. The door 70 is provided at the refrigerating compartment 60 to control opening and closing of the refrigerating compartment 60. A plurality of pesticide residue removing devices are fixedly arranged in the door body 70.

In some embodiments, a receiving cavity is provided within the refrigerating compartment 60, through which food material is loaded.

Fig. 5 is a first layout view of the pesticide residue removing device of the embodiment. With reference to fig. 5, when the number of the pesticide residue removing devices is an odd number, the plurality of pesticide residue removing devices are vertically arranged on the door body 70, so that the ultraviolet lamp assembly 30 can be ensured to irradiate on the food material, the irradiation area of the ultraviolet lamp assembly 30 is ensured, and then, referring to table 1, table 2 and table 3, the pesticide residue removing device can be ensured to remove pesticide residue, sterilize and remove odor.

Fig. 6 is a second layout view of the pesticide residue removing device of the embodiment. With reference to fig. 6, when the number of the pesticide residue removing devices is an even number, the plurality of pesticide residue removing devices are centrosymmetric at the door body 70, so that the ultraviolet lamp assembly 30 can be ensured to irradiate on the food material, the irradiation area of the ultraviolet lamp assembly 30 is ensured, and then, referring to table 1, table 2 and table 3, the pesticide residue removing, sterilizing and odor removing effects of the pesticide residue removing devices can be ensured.

TABLE 1 pesticide residue removal experiment

Position of	Broad class of pesticides	Subclass of pesticides	Name of pesticide	Time of degradation	Degradation effect
						Door body	Insecticide	Organic phosphorus	Chlorpyrifos	1.5h	90％

TABLE 2 Sterilization test

TABLE 3 odor removal test

Odor removal value of 10ppm trimethylamine

Position of	Initial value pmm	10min	20min	30min
					Drawer	10	3.76	2.79	2.35

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application.

In addition, descriptions in this application as to "first", "second", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.

In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or may comprise the first and second features being in contact, not directly, but via another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims

1. A pesticide residue removing device is characterized by comprising:

the frame is provided with a first air port and a second air port, and the first air port and the second air port are both communicated with the accommodating cavity;

the photocatalyst is fixedly arranged in the frame and is arranged between the first air opening and the second air opening;

and the ultraviolet lamp component is fixedly arranged in the frame so as to irradiate the accommodating cavity and the photocatalyst.

2. The pesticide residue removing apparatus of claim 1, wherein the ultraviolet lamp assembly comprises:

the lamp panel is fixedly arranged on the frame;

the first ultraviolet lamps are fixedly arranged on the lamp panel and irradiate the accommodating cavity;

and the second ultraviolet lamps are fixedly arranged on the lamp plate and are used for irradiating the photocatalyst.

3. The pesticide residue removing device of claim 1, wherein: the frame is fixedly provided with a cover plate.

4. The pesticide residue removing device of claim 3, wherein: the cover plate is provided with the first air opening.

5. The pesticide residue removing device according to any one of claims 1 to 3, further comprising:

and the fan is fixedly arranged in the frame.

6. The pesticide residue removing device of claim 5, further comprising:

the partition plate is fixedly arranged in the frame and divides the frame into a first cavity and a second cavity, the first cavity is communicated with the first air port, the second cavity is communicated with the second air port, a through groove is formed in the partition plate, and the through groove is communicated with the first cavity and the second cavity;

the photocatalyst and the ultraviolet lamp component are both fixedly arranged in the first cavity;

the fan is fixedly arranged in the second chamber.

7. The pesticide residue removing device of claim 6, wherein:

the first chamber is L-shaped, and the photocatalyst and the ultraviolet lamp component are L-shaped;

the shape of the second chamber is square, and the shape of the fan is square.

8. The pesticide residue removing device of claim 6, wherein: a sealing gasket is arranged between the photocatalyst and the first chamber.

9. The pesticide residue removing device according to any one of claims 1 to 3, wherein the photocatalyst comprises:

and the supporting net is fixedly arranged in the frame, and titanium dioxide is coated on the supporting net.

10. A refrigerator, characterized by comprising:

a refrigerating chamber including; a containing cavity and a plurality of pesticide residue removing devices as set forth in any one of claims 1-9.

11. The refrigerator according to claim 10, further comprising:

the door body is arranged at the refrigerating chamber, and a plurality of pesticide residue removing devices are fixedly arranged in the door body.