CN110841084A

CN110841084A - Tableware disinfection cabinet

Info

Publication number: CN110841084A
Application number: CN201910872756.8A
Authority: CN
Inventors: 胡巧玲; 黄鹏; 曹亚裙; 张健
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2020-02-28
Anticipated expiration: 2039-09-16
Also published as: CN110841084B

Abstract

The invention relates to a tableware disinfection cabinet, which comprises a disinfection inner container with an opening at the front side, wherein a heating device is arranged at the bottom of the disinfection inner container, an upper drawer and a lower drawer are arranged in the disinfection inner container from top to bottom, flow guide layers are respectively arranged at the bottoms of the upper drawer and the lower drawer, each flow guide layer is provided with a first flow guide arc surface, each flow guide arc surface is positioned at the bottom surface of each flow guide layer and protrudes downwards, and at least two flow guide arc surfaces are arranged in parallel; the flow guide gap is positioned between two adjacent first flow guide arc surfaces; and a guide vane wheel which is arranged above the guide gap and can rotate under the action of air flow. Compared with the prior art, the flow guide layer can promote hot air to rise and fully spread around the tableware of each drawer, so that the temperature fields around the tableware are uniform, the hot air is uniformly distributed in the disinfection liner, the drying speed of the tableware is increased, and the disinfection effect is improved.

Description

Tableware disinfection cabinet

Technical Field

The invention relates to the field of household appliances, in particular to a tableware disinfection cabinet.

Background

The existing tableware disinfection cabinet generally comprises an upper layer drawer and a lower layer drawer, and tableware to be disinfected can be placed in both the upper drawer and the lower drawer. The upper drawer and the lower drawer in the existing disinfection cabinet are generally arranged in a through chamber from top to bottom, and two layers of tableware are simultaneously treated during disinfection and drying. Generally there is not the water receiving device in the current tableware sterilizer, the water droplet can be remained on the tableware surface that has washd, pull out the drawer and place the tableware after the washing during, the water droplet can be through the drawer on the drawer and drip subaerial on the tableware, and place the drawer behind the tableware and pushed back to the disinfection inner bag after, the water droplet on the tableware can drip to the interior bottom surface of disinfection inner bag on, can lead to the interior bottom surface of disinfection inner bag to leave the stain after long-term the use, and this stain is difficult to the clearance after relapseing the rewetting repeatedly, drying. Meanwhile, water drops on the tableware in the upper drawer can drop to the lower drawer, so that the time for drying the tableware on the lower drawer is prolonged, and if the upper layer tableware is not cleaned or the upper layer tableware is polluted, the water drops on the upper layer tableware drop to the lower layer tableware to pollute the lower layer tableware.

Heating pipe generally sets up in the bottom of disinfection inner bag among the current sterilizer, and the bottom surface direct contact of its top surface and disinfection inner bag, the heating pipe passes through heat radiating mode like this with heat transfer to the inner bag in to realize pasteurization, the purpose of fast decomposition ozone, utilize hot-air stoving tableware surface and inner bag simultaneously, make the tableware be in dry environment, and dry environment can effectively prevent the bacterial growth. However, since the lower drawer is closer to the heating pipe, the temperature field where the upper and lower drawers are located is not uniform, thereby affecting the sterilization effect and the drying effect. If set up the water receiving box in the below of each layer drawer, though can collect the water droplet on tableware surface through the water receiving box, can aggravate upper and lower drawer air current not smooth, further influence the disinfection effect and the stoving effect of upper drawer. In addition, because the water droplet is remained on the surface of the washed tableware, the water droplet is heated into water vapor, so that the moisture in the disinfection liner rises violently, and the drying speed and the disinfection effect on the tableware are further influenced.

Disclosure of Invention

The first technical problem to be solved by the invention is to provide a tableware disinfection cabinet capable of promoting the internal airflow to flow aiming at the prior art.

The second technical problem to be solved by the present invention is to provide a tableware disinfection cabinet capable of collecting water drops on the surface of tableware.

The technical scheme adopted by the invention for solving the technical problems is as follows: a tableware disinfection cabinet comprises a disinfection inner container with an opening at the front side, a heating device is arranged at the bottom of the disinfection inner container, an upper drawer and a lower drawer are arranged in the disinfection inner container from top to bottom, and the tableware disinfection cabinet is characterized in that flow guide layers are respectively arranged at the bottoms of the upper drawer and the lower drawer and provided with a flow guide layer

The first flow guide arc surfaces are positioned on the bottom surface of the flow guide layer and are downwards convex, and at least two first flow guide arc surfaces are arranged in parallel;

the flow guide gap is positioned between two adjacent first flow guide arc surfaces; and

and the guide impeller is arranged above the guide gap and can rotate under the action of air flow.

Preferably, each of the flow guide layers further has a water collection tank with an upward opening, the number of the water collection tanks corresponds to the first flow guide arc surfaces one by one, each water collection tank is located at the upper portion of the corresponding first flow guide arc surface, the outer surfaces of adjacent blades of the flow guide impeller respectively form a smooth second flow guide arc surface, and in the rotation process of the flow guide impeller, the outer side edge of each blade of the flow guide impeller along the axial direction of the blade is located above the water collection tank, and the vertical projection of the blade in the water collection tank is located inside the water collection tank. The water droplet on the tableware both can directly drip into in the water catch bowl and be collected like this, also can drip to the second water conservancy diversion cambered surface of water conservancy diversion impeller on, along with the rotation of water conservancy diversion impeller, drip to the water droplet on the second water conservancy diversion cambered surface and by dripping into in the water catch bowl. Thereby can avoid going up the water droplet on the drawer on the tableware drips to drawer down and on the water droplet on the upper and lower drawer drips to the internal surface of disinfection inner bag on, thereby promote user's use and experience.

Preferably, the disinfection inner container is provided with an ultraviolet lamp, and the exposed surface of the flow guide layer is a reflecting surface. The ultraviolet rays irradiated on the flow guide layer can be reflected and focused by the reflecting surface on the outer surface of the flow guide layer, so that the irradiation range of the ultraviolet rays is enlarged, the irradiation intensity of the ultraviolet rays is enhanced, and the disinfection effect of the ultraviolet rays is further enhanced. And along with the rotation of the guide vane wheel, the surfaces on the guide vane wheel can dynamically reflect the ultraviolet rays, so that the ultraviolet rays irradiate all parts of the disinfection liner, and the disinfection effect of the ultraviolet rays is further improved.

Each flow guide layer can have various specific implementation manners, preferably, each flow guide layer comprises a water collection cover, the shape of each water collection cover and the shape of each flow guide impeller are long-strip-shaped and extend along the left and right directions or the front and back directions of the corresponding drawer, meanwhile, each water collection cover and each flow guide impeller in each flow guide layer are uniformly spaced along the front and back directions or the left and right directions of the corresponding drawer respectively, the cross section of each water collection cover is arc-shaped, two ends of each water collection cover are sealed, the inner cavity of each water collection cover forms the water collection groove respectively, and the bottom surface of each water collection cover forms the first flow guide arc surface respectively.

Preferably, each guide vane wheel comprises a central hole positioned at the center and the fan blades which are uniformly spaced along the circumferential direction by taking the central hole as the center, the shape of each fan blade is square, the included angle formed by adjacent fan blades in each guide vane wheel is 90 degrees, and the joints of the adjacent fan blades are in smooth transition. The structure design of the guide vane wheel can enable the guide vane wheel to rotate better under the action of hot air flow from bottom to top, and can also guide water drops dripped on the guide vane wheel into the water collecting tank more smoothly.

Further, preferably, two ends of the central hole of each guide vane wheel are respectively inserted with a connecting shaft, and the free end of each connecting shaft is respectively fixed with the bottom of the corresponding drawer. Thereby leading the guide vane wheel to rotate by taking the connecting shafts at the two ends as fulcrums and taking the central shaft as the center.

For making each water conservancy diversion layer can be installed in the bottom that corresponds the drawer firmly, still including being used for each to catchment the mounting bracket that the cover is connected bottom the drawer that corresponds, this mounting bracket sets up respectively at the both ends on each water conservancy diversion layer, and each mounting bracket all includes along the installation horizontal pole that extends with each water conservancy diversion cover extending direction looks vertically, all be equipped with the spliced pole with the water conservancy diversion cover one-to-one of each kind of water conservancy diversion layer along its length direction interval on this installation horizontal pole, and each spliced pole is fixed with the water catch bowl that corresponds respectively, still be fixed with the equipment post on the installation horizontal pole, this equipment post is fixed with the bottom that corresponds the drawer.

Compared with the prior art, the invention has the advantages that: the heating device is arranged at the bottom of the disinfection liner, so that the bottom wall of the disinfection liner can be heated through the action of heat radiation, and the bottom wall of the disinfection liner after being heated heats the air at the bottom in the disinfection liner in a heat transfer mode. According to the chimney effect, air density difference is generated due to temperature difference, so that pressure difference is formed, and then the air flows from bottom to top under the action of the pressure difference. Therefore, the heating device heats the air at the bottom in the inner container, the generated hot air rises due to pressure difference, and a hot flow field from bottom to top is formed in the disinfection inner container. The hot gas rises upwards through the first flow guide arc surfaces facing the bulges in the rising process, the first flow guide arc surfaces on the two sides guide the hot gas to the flow guide gap between the first flow guide arc surfaces and the second flow guide arc surfaces, the hot gas rising from bottom to top drives the flow guide impeller to rotate, the flow guide impeller rotates to form negative pressure in the flow guide gap, and then the hot gas is promoted to sequentially pass through the first flow guide arc surfaces on the two sides and the flow guide gap from bottom to top to rise upwards. Therefore, the flow guide layer can promote the rising of hot air to fully spread around the tableware of each drawer, so that the temperature field around each tableware is uniform, the hot air is uniformly distributed in the disinfection liner, the drying speed of the tableware is increased, and the disinfection effect is improved.

Drawings

FIG. 1 is a schematic view of a disinfection cabinet according to an embodiment of the present invention (with both the upper and lower drawers closed);

FIG. 2 is a schematic view of the structure of the disinfection cabinet according to the embodiment of the present invention (with both the upper and lower drawers open);

FIG. 3 is a sectional view of a sterilizer in an embodiment of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is an exploded view of the upper drawer according to an embodiment of the present invention;

FIG. 6 is a schematic view of the installation structure of the water collection cover in the embodiment of the present invention;

FIG. 7 is a schematic view of an installation structure of a guide vane wheel according to an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a inducer in an embodiment of the invention;

FIG. 9 is a cross-sectional view of an upper drawer with inducer in a first state according to an embodiment of the invention;

FIG. 10 is an enlarged view of portion C of FIG. 9;

FIG. 11 is a cross-sectional view of the inducer in a second condition of the upper drawer of the embodiment of the invention;

fig. 12 is an enlarged view of a portion B in fig. 11.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 12, a tableware disinfection cabinet comprises a disinfection inner container 1 with an open front side, a heating device 6 is disposed at the bottom of the disinfection inner container 1, and the heating device 6 is an electric heating tube in this embodiment. An upper drawer 11 and a lower drawer 12 are arranged in the disinfection liner 1 from top to bottom, and the bottom parts of the upper and

lower drawers

11,12 are respectively provided with a flow guide layer 2 in the embodiment. Each flow guiding layer 2 has a first flow guiding arc surface 211, a flow guiding gap 22 and a flow guiding impeller 3. The first flow guiding arc surfaces 211 are located on the bottom surface of the flow guiding layer 2 and protrude downward, at least two first flow guiding arc surfaces 211 are arranged in parallel, the flow guiding gaps 22 are located between two adjacent first flow guiding arc surfaces 211, and the flow guiding impeller 3 is arranged above the flow guiding gaps 22 and can rotate under the action of air flow. In this embodiment, since the upper and

lower drawers

11,12 have the same structure and both include the drawer frame 101 and the drawer basket 102 disposed in the drawer frame 101, fig. 5, 9 and 11 only illustrate the structure of the upper drawer 11.

The heating device 6 is arranged at the bottom of the disinfection liner 1, so that the bottom wall of the disinfection liner 1 can be heated through the action of heat radiation, and the bottom wall of the disinfection liner 1 after being heated heats the air at the bottom of the disinfection liner 1 in a heat transfer mode. According to the chimney effect, air density difference is generated due to temperature difference, so that pressure difference is formed, and then the air flows from bottom to top under the action of the pressure difference. Therefore, the heating device 6 heats the air at the bottom in the inner container 1, the generated hot air rises due to pressure difference, and a hot flow field from bottom to top is formed in the disinfection inner container 1. In the rising process of hot air, the hot air rises upwards through the first flow guide arc-shaped surfaces 211 facing the bulges, the first flow guide arc-shaped surfaces 211 on the two sides guide the hot air to the flow guide gap 22 between the hot air and the flow guide impellers 3, the hot air rising from bottom to top drives the flow guide impellers 3 to rotate, and the rotation of the flow guide impellers 3 can generate a certain wind field, so that the drying of tableware is promoted, negative pressure is formed in the flow guide gap 22, and the hot air is promoted to rise upwards through the first flow guide arc-shaped surfaces 211 on the two sides and the flow guide gap 22 from bottom to top in sequence. Therefore, the flow guide layer 2 can promote the rising of hot air to fully spread around the tableware of each drawer, so that the temperature fields around the tableware are uniform, the hot air is uniformly distributed in the disinfection liner 1, the drying speed of the tableware is increased, and the disinfection effect is improved. In addition, when disinfection is performed by using a disinfection gas such as ozone, the disinfection gas can be distributed more uniformly by the rotation of the guide impeller 3, thereby improving the disinfection effect.

Further, each of the flow guide layers 2 further has water collecting grooves 210 with an upward opening, the number of the water collecting grooves 210 corresponds to the number of the first flow guide arc surfaces 211 one by one, and each of the water collecting grooves 210 is located at the upper portion of the corresponding first flow guide arc surface 211. The outer surfaces of the adjacent blades 31 of the guide vane wheel 3 form smooth second guide arc surfaces 32, and in the rotation process of the guide vane wheel 3, the outer edges of the blades 31 of the guide vane wheel 3 along the axial direction thereof are located above the water collection tank 210, and the vertical projection of the outer edges in the water collection tank 210 is located inside the water collection tank 210. Thus, the water drops on the tableware can be directly dropped into the water collecting tank 210 to be collected, or can be dropped onto the second guiding arc surface 32 of the guiding impeller 3 (for example, in the first state, the water drops are collected in the second guiding arc surface 32 on the upper portion of the guiding impeller 3, as shown in fig. 9 and 10), and the water drops dropped onto the second guiding arc surface 32 are dropped into the water collecting tank 210 along with the rotation of the guiding impeller 3 (in the second state, the water drops are thrown into the water collecting tank 210 when the guiding impeller 3 rotates from the first state to the second state, as shown in fig. 11 and 12). Thereby can avoid on 11 middle tableware of upper drawer water droplet to drop to on the drawer 12 and upper and

lower drawer

11,12 on the water droplet drips to the internal surface of disinfection inner bag 1 to promote user's use and experience. In addition, in the rotation process of the guide vane wheel 3, the second guide arc surface 32 on the guide vane wheel can throw hot air transferred to the guide vane wheel into the water collecting tank 210, so that the hot air can enter the water collecting tank 210 and rise upwards, and meanwhile, the hot air thrown into the water collecting tank 210 can play a certain drying role on water collected in the water collecting tank 210.

Each flow guiding layer 2 can have a plurality of specific implementation manners, in this embodiment, each flow guiding layer 2 includes a water collection cover 21, each water collection cover 21 extends in the left-right direction of the corresponding drawer, and meanwhile, the water collection covers 21 in each flow guiding layer 2 are respectively arranged at intervals in the front-back direction of the corresponding drawer. Correspondingly, each of the above-mentioned guide vanes 3 also extends along the left-right direction of the drawer, and the guide vanes 3 of each guide layer 2 are also respectively arranged along the front-back direction of the corresponding drawer at intervals, i.e. each water collection cover 21 and each guide vane 3 are arranged at intervals in the front-back direction and are staggered up and down. The cross section of each water collecting cover 21 is arc-shaped and the two ends are closed, the inner cavity of each water collecting cover 21 forms the water collecting groove 210, and the bottom surface of each water collecting cover 21 forms the first air guiding arc surface 211. In this embodiment, each water collection cover 21 has a semicircular cross section.

Further, in this embodiment, each guide vane wheel 3 includes a central hole 30 located at the center and the fan blades 31 circumferentially spaced from the central hole 30, each fan blade 31 is square, an included angle formed by adjacent fan blades 31 in each guide vane wheel 3 is 90 °, and a connection between adjacent fan blades 31 is in smooth transition. The guide vane wheel 3 has two ends of the central hole 30 inserted with connecting shafts 4, and the free ends of the connecting shafts 4 are fixed to the bottom of the corresponding drawer, so that the guide vane wheel 3 can rotate around the central shaft with the connecting shafts 4 at the two ends as the fulcrum. In addition, the above-mentioned structure design of the guide vane wheel 3 enables it to rotate better under the action of the hot air flow from bottom to top, and at the same time, can guide the water drops dropping on it into the water collecting tank 210 more smoothly.

In this embodiment, in order to make each guide layer 2 be installed in the bottom that corresponds the drawer firmly, still include the mounting bracket 5 that is used for being connected each water collecting cover 21 and the drawer bottom that corresponds, this mounting bracket 5 sets up respectively at the both ends of each guide layer 2, and each mounting bracket 5 all includes along the installation horizontal pole 51 that extends with each water collecting cover 21 extending direction looks vertically, all be equipped with the spliced pole 52 with each guide layer 2 water collecting cover 21 one-to-one along its length direction interval on this installation horizontal pole 51, and each spliced pole 52 is fixed with corresponding water catch bowl 210 respectively, still be fixed with the equipment post 53 on the installation horizontal pole 51, this equipment post 53 is fixed with the bottom that corresponds the drawer.

In addition, the disinfection liner 1 is provided with two ultraviolet lamps 7, which are arranged on the back plate of the disinfection liner 1 in the embodiment. After the tableware to be disinfected is placed in each drawer, the gap between every two tableware is a dead angle for ultraviolet disinfection, so that in the embodiment, the exposed surface of each flow guide layer 2 is a reflecting surface, and the ultraviolet rays irradiated on the flow guide layer 2 can be reflected and focused by the reflecting surface on the outer surface of the flow guide layer 2, so that the irradiation range of the ultraviolet rays is enlarged, the irradiation intensity of the ultraviolet rays is enhanced, and the disinfection effect of the ultraviolet rays is enhanced. Specifically, in this embodiment, the inner surface and the outer surface of the water collecting cover 21 are both reflective surfaces, and meanwhile, each surface of the guide vane wheel 3 is also a reflective surface, and along with the rotation of the guide vane wheel 3, each surface on the guide vane wheel 3 can dynamically reflect the ultraviolet rays, so that the ultraviolet rays irradiate all over the disinfection liner 1, and the disinfection effect of the ultraviolet rays is further improved.

Claims

1. The tableware disinfection cabinet comprises a disinfection inner container (1) with an opening at the front side, wherein a heating device (6) is arranged at the bottom of the disinfection inner container (1), an upper drawer (11) and a lower drawer (12) are arranged in the disinfection inner container (1) from top to bottom, and the tableware disinfection cabinet is characterized in that a flow guide layer (2) is respectively arranged at the bottoms of the upper drawer (11) and the lower drawer (12), and the flow guide layer (2) is provided with

The first flow guide arc surfaces (211) are positioned on the bottom surface of the flow guide layer (2) and are downwards convex, and at least two first flow guide arc surfaces (211) are arranged in parallel;

the flow guide gap (22) is positioned between two adjacent first flow guide arc surfaces (211); and

and the guide impeller (3) is arranged above the guide gap (22) and can rotate under the action of air flow.

2. The tableware disinfection cabinet of claim 1, wherein each of the guiding layers (2) further has a water collecting groove (210) with an upward opening, the number of the water collecting grooves (210) corresponds to the first guiding arc surfaces (211) one by one, each water collecting groove (210) is located at the upper part of the corresponding first guiding arc surface (211), the outer surface of each adjacent fan blade (31) of the guiding impeller (3) forms a smooth second guiding arc surface (32), and in the rotating process of the guiding impeller (3), the outer edge of each fan blade (31) of the guiding impeller (3) along the axial direction thereof is located above the water collecting groove (210) and the vertical projection of the fan blade in the water collecting groove (210) is located inside the water collecting groove (210).

3. The tableware decontamination cabinet according to claim 2, wherein the disinfection liner (1) is provided with an ultraviolet lamp (7), and the exposed surface of the flow guide layer (2) is a reflective surface.

4. The tableware decontamination cabinet according to claim 2, wherein each of said flow guiding layers (2) comprises a water collection cover (21), each of said water collection covers (21) and said guide vanes (3) has an elongated shape and extends in the left-right or front-rear direction of the corresponding drawer, and wherein each of said water collection covers (21) and said guide vanes (3) in each of said flow guiding layers (2) is uniformly spaced in the front-rear or left-right direction of the corresponding drawer, respectively, the cross section of each of said water collection covers (21) has a circular arc shape and both ends are closed, and the inner cavity of each of said water collection covers (21) constitutes said water collection groove (210), and the bottom surface of each of said water collection covers (21) constitutes said first air guiding arc surface (211), respectively.

5. The tableware decontamination cabinet according to claim 4, wherein each guide vane wheel (3) comprises a central hole (30) at the center and the fan blades (31) circumferentially spaced around the central hole (30), each fan blade (31) has a square shape, the angle between adjacent fan blades (31) in each guide vane wheel (3) is 90 ° and the joints of adjacent fan blades (31) are smoothly transitioned.

6. The tableware decontamination cabinet according to claim 5, wherein the two ends of the central hole (30) of each inducer (3) are respectively inserted with a connecting shaft (4), and the free end of each connecting shaft (4) is fixed to the bottom of the corresponding drawer.

7. The tableware disinfection cabinet of any one of claims 4-6, further comprising a mounting frame (5) for connecting each water collection cover (21) with the bottom of the corresponding drawer, wherein the mounting frame (5) is respectively arranged at two ends of each flow guide layer (2), each mounting frame (5) comprises a mounting cross rod (51) extending along a direction perpendicular to the extending direction of each water collection cover (21), connecting columns (52) corresponding to the water collection covers (21) of each flow guide layer (2) are respectively arranged on the mounting cross rod (51) along the length direction of the mounting cross rod at intervals, each connecting column (52) is respectively fixed with the corresponding water collection groove (210), assembling columns (53) are further fixed on the mounting cross rod (51), and the assembling columns (53) are fixed with the bottom of the corresponding drawer.