CN112121193A

CN112121193A - Disinfection cabinet

Info

Publication number: CN112121193A
Application number: CN202010915652.3A
Authority: CN
Inventors: 张文龙
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2020-12-25

Abstract

The invention discloses a disinfection cabinet, which comprises a cabinet body (1) with a disinfection cavity (11) inside, a drawer (2) which can be drawn in and out of the disinfection cavity (11), a heating element (13) which can heat the disinfection cavity (11), and a disinfection lamp tube (3) which is arranged in the disinfection cavity (11), and is characterized in that: the sterilizing chamber is characterized by further comprising fans (4,4 ') and a driving part (5), wherein the fans (4, 4') are located in the sterilizing chamber (11) and comprise fan blades (41,41 ') and rotating shafts (42) connected to the end parts of the fan blades (41, 41'), the surfaces of the fan blades (41,41 ') are made of materials capable of reflecting sterilizing light, and a power output shaft of the driving part (5) is in transmission connection with the rotating shafts (42) so that the fan blades (41, 41') can rotate around the axis of the rotating shafts (42). Compared with the prior art, the disinfection cabinet can improve the disinfection effect and uniformity.

Description

Disinfection cabinet

Technical Field

The invention relates to the technical field of kitchen equipment, in particular to a disinfection cabinet.

Background

At present, the disinfection cabinet mainly adopts several disinfection modes of ultraviolet disinfection, heating disinfection and ozone disinfection. In order to improve the disinfection effect, a disinfection mode combining two disinfection factors or three disinfection factors is generally adopted, or the ultraviolet intensity and the ozone concentration are increased by changing the position, the number, the shape and the parameters of the disinfection lamp tubes, or the disinfection time is prolonged, or the air in a disinfection cavity is circulated.

Like utility model patent "a sterilizer with circulation wind channel" that patent application number is CN03228333.4 (the publication number is CN2596987Y) discloses a sterilizer with circulation wind channel, including casing, inner bag to be provided with the circulation ventilation unit of both ends and inner bag inner chamber intercommunication in the cavity between the two, including fan, wind channel and air inlet cover, air outlet cover, make steam energy cyclic utilization, improved the utilization ratio of energy, reduced the energy consumption.

However, in the above solution, a circulation channel needs to be arranged in the interlayer between the outer shell and the inner container, and for ultraviolet disinfection, a disinfection dead space still exists.

Disclosure of Invention

The first technical problem to be solved by the invention is to provide a disinfection cabinet capable of improving disinfection effect and uniformity aiming at the current situation of the prior art.

The second technical problem to be solved by the invention is to provide a disinfection cabinet which does not influence the users to take and put the tableware.

The technical scheme adopted by the invention for solving the first technical problem is as follows: a disinfection cabinet, which comprises

The cabinet body is internally provided with a disinfection cavity;

the drawer can be drawn in and out of the disinfection cavity;

the heating element is arranged on the cabinet body and can heat the disinfection cavity; and

the sterilizing lamp tube is arranged in the sterilizing cavity and can generate sterilizing light;

the method is characterized in that: also comprises

The fan is positioned in the disinfection cavity and comprises fan blades and a rotating shaft connected to the end parts of the fan blades, and the surfaces of the fan blades are made of materials capable of reflecting disinfection light; and

and the power output shaft of the driving piece is in transmission connection with the rotating shaft so as to enable the fan blades to rotate around the axis of the rotating shaft.

In order to further solve the second technical problem, the fan can move back and forth along the depth direction of the disinfection chamber and has at least two states:

the fan and the driving piece are positioned at the rear part of the disinfection cavity in the state that the drawer is opened;

and in the state that the drawer is closed, the fan and the driving piece are positioned in the middle of the disinfection cavity.

In order to enable the fan to automatically move backwards in the state that the drawer is opened so as to avoid influencing the users to take and place the tableware, the automatic drawer opening and closing device also comprises

The transmission assembly is arranged between the drawer and the driving piece, and can transmit the motion of the drawer to the driving piece, so that the driving piece can drive the fan to move towards the reverse direction relative to the cabinet body.

In order to make the driving member move along the direction of the drawer, the transmission assembly comprises

The supporting strip is arranged in the disinfection cavity and extends along the depth direction of the disinfection cavity;

the first rack can be movably arranged on the supporting bar, extends along the length direction of the supporting bar and is in transmission connection with the drawer;

the gear is rotationally connected to the supporting bar and meshed with the first rack; and

the second rack is movably arranged on the supporting bar, extends along the length direction of the supporting bar and is meshed with the gear;

the driving piece is arranged on the second rack.

In order to transmit the movement of the drawer to the first rack, a limiting seat is installed at the bottom of the drawer, a limiting hole is formed in the limiting seat, correspondingly, a limiting column is installed on the first rack, and the end portion of the limiting column is inserted into the limiting hole.

In order to avoid interference between the driving pieces with different strokes and the movement of the drawer, the limiting hole is a waist-shaped hole and extends along the depth direction of the disinfection cavity, and the end part of the limiting column can be slidably inserted into the limiting hole. The sliding of the limiting column in the limiting hole can endow the drawer with idle stroke for a certain distance, namely, in the process, the driving piece does not move along with the drawer, so that the interference between the driving piece and the drawer can be avoided.

In order to give spacing post and driving piece power output shaft's motion and step down, the first hole of stepping down and the second hole of stepping down that extends along its length direction are seted up respectively to the surperficial both sides of support bar, spacing post wear to establish first hole of stepping down in and can slide around in first hole of stepping down, the power output shaft of driving piece passes in proper order second hole of stepping down and second rack with the pivot be connected and can slide around in the second hole of stepping down.

In order to facilitate the stable sliding of the first rack and the second rack on the supporting bar, two sides of the supporting bar are respectively provided with a first sliding groove and a second sliding groove which extend along the length direction of the supporting bar, the first rack can be slidably accommodated in the first sliding groove, and the second rack can be slidably accommodated in the second sliding groove.

In order to better disturb the flow field in the disinfection cabinet, the number of the fan blades is at least two, and the fan blades are arranged at intervals along the circumferential direction of the rotating shaft.

In order to diffuse and reflect the disinfection light rays in multiple angles and avoid dead angles of light intensity,

the first scheme is as follows: the surface of one side of the fan blade facing the disinfection lamp tube is provided with a plurality of bosses or/and grooves which are arranged at intervals.

In order to ensure the multi-angle reflection effect, the outer circumference of the cross section of the boss is gradually reduced from the surface of the fan blade to the outside, and the caliber of the groove is gradually reduced from the surface of the fan blade to the inside.

The second scheme is as follows: the surface of the fan blade facing one side of the disinfection lamp tube is in a wave shape.

In order to avoid collision between the driving piece and other parts when the drawer is opened, a door control switch is arranged in the disinfection cavity, contacts corresponding to the drawer are arranged on the door control switch, the disinfection cabinet is provided with a control system, and the driving piece and the door control switch are electrically connected with the control system;

when the drawer is in an open state, the drawer releases the contact to open the door control switch, and the driving piece is in a power-off state;

when the drawer is closed, the drawer presses the contact to close the door control switch, and the driving piece is in a power-on state.

Compared with the prior art, the invention has the advantages that: the sterilizing cabinet is internally provided with the fan, the surface of the fan blade of the fan is made of a material capable of reflecting sterilizing light, the fan blade can rotate around the axis of the fan rotating shaft under the driving of the driving piece, on one hand, the rotating fan blade can disturb the flow field in the sterilizing cavity, so that hot air and ozone are uniformly distributed in the sterilizing cavity, on the other hand, the rotating fan blade can change the irradiation angle and range of the sterilizing light and provide dynamic sterilizing light, and thus, the sterilizing cavity is irradiated and sterilized at multiple angles, and therefore, the sterilizing cabinet can improve the sterilizing effect and uniformity.

Drawings

FIG. 1 is a longitudinal cross-sectional view of an embodiment 1 of the sterilizer of the present invention in a closed state of the upper drawer;

FIG. 2 is a longitudinal sectional view of embodiment 1 of the sterilizer of the present invention in an open state of the upper drawer;

FIG. 3 is a perspective view of the fan, drive member and transmission assembly of FIG. 1;

FIG. 4 is a schematic perspective view of the drive member and transmission assembly of FIG. 3 in another orientation;

FIG. 5 is a perspective view of the fan shown in FIG. 3;

fig. 6 is a perspective view of the fan in embodiment 2 of the disinfection cabinet of the present invention.

Detailed Description

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

Example 1:

as shown in fig. 1 to 5, a first preferred embodiment of the disinfection cabinet of the present invention is shown. The disinfection cabinet comprises a cabinet body 1, a drawer 2, a disinfection lamp tube 3, a fan 4, a driving piece 5 and a transmission assembly 6.

Wherein, the inside of the cabinet body 1 is provided with a disinfection chamber 11, a door control switch 12 is arranged on the rear side wall of the disinfection chamber 11, the door control switch is provided with a contact 121 corresponding to the drawer 2, and a heating element 13 is arranged below the bottom wall of the disinfection chamber 11. In this embodiment, the heating member 13 is in the form of a flat plate, and heats the sterilization chamber 11 as a planar heating source.

The number of the drawers 2 is two, the drawers can be drawn in and out of the disinfection cavity 11 and are respectively arranged in the disinfection cavity 11 one above the other. The bottom of the drawer 2 located above is provided with a limiting seat 21 which is strip-shaped and extends along the depth direction of the disinfection chamber 11, the limiting seat 21 is provided with a limiting hole 211, and the limiting hole 211 is a waist-shaped hole and extends along the length of the limiting seat 21.

The sterilizing lamp tube 3 is arranged in the sterilizing cavity 11 and can generate sterilizing light to act on the sterilizing cavity 11. In this embodiment, the sterilizing lamp 3 is an ultraviolet lamp which emits ultraviolet rays having wavelengths of 253.7nm and 184.9nm, the ultraviolet rays having a wavelength of 253.7nm are easily absorbed by the living body and act on the DNA of the genetic material of the living body to destroy the DNA and cause the death of bacteria, and the ultraviolet rays having a wavelength of 184.9nm combine with oxygen molecules in the air to generate ozone having a strong oxidizing property.

The fan 4 is located in the disinfection chamber 11, and includes a fan blade 41 and a rotating shaft 42 connected to the end of the fan blade 41 and vertically arranged, the surface of the fan blade 41 is made of a material capable of reflecting disinfection light, the number of the fan blade 41 is at least two, and the fan blade 41 is arranged along the circumferential direction of the rotating shaft 42 at intervals, the fan blade 41 is substantially arc-shaped, and the plane where the side edges on both sides of the fan blade 41 are located deflects a certain angle relative to the vertical plane of the rotating shaft 42.

In this embodiment, the surface of the side of the fan blade 41 opposite to the disinfecting lamp tube 3 is locally pressed inward to form a plurality of bosses 411 distributed at intervals, the outer circumference of the cross section of each boss 411 gradually decreases from the surface of the fan blade 41 outward, the surface of the side of the fan blade 41 facing the disinfecting lamp tube 3 is locally pressed inward to form a plurality of grooves 412 distributed at intervals, and the caliber of each groove 412 gradually decreases from the surface of the fan blade 41 inward, so that the disinfecting light rays are diffusely reflected at multiple angles, and the dead angle of the light intensity is avoided.

The driving member 5 is a motor, and a power output shaft thereof is in transmission connection with a rotating shaft 42 of the fan 4, so that the fan blades 41 rotate around the axis of the rotating shaft 42.

The transmission assembly 6 is arranged between the drawer 2 positioned above and the driving member 5, and can transmit the motion of the drawer 2 to the driving member 5, so that the driving member 5 can drive the fan 4 to move towards the reverse direction relative to the cabinet 1 and at least have two states: in the state where the drawer 2 located above is opened, the fan 4 and the driving member 5 are located at the rear of the sterilizing chamber 11; in the closed state of the drawer 2 located above, the fan 4 and the driving member 5 are located in the middle of the sterilization chamber 11.

In this embodiment, the transmission assembly 6 includes a support bar 61, a first rack 62, a gear 63 and a second rack 64. Specifically, the supporting strip 61 is installed in the sterilizing chamber 11 and extends along the depth direction of the sterilizing chamber 11, two sides of the supporting strip 61 are respectively provided with a first sliding groove 611 and a second sliding groove 612 extending along the length direction thereof, and two sides of the surface of the supporting strip 61 are respectively provided with a first yielding hole 613 and a second yielding hole 614 extending along the length direction thereof; the first rack 62 is slidably received in the first sliding groove 611 and extends along the length direction of the supporting bar 61, a vertically arranged limiting post 621 is installed on the first rack 62, the limiting post 621 penetrates through the first avoiding hole 613 and can slide back and forth in the first avoiding hole 613, and the end of the limiting post 621 can be slidably inserted into the limiting hole 211 of the limiting seat 21; the gear 63 is rotatably connected to the supporting bar 61 and meshed with the first rack 62; the second rack 64 is slidably accommodated in the second sliding groove 612, extends along the length direction of the supporting bar 61, and is engaged with the gear 63; the driving member 5 is located above the supporting bar 61 and connected to the second rack 64, and a power output shaft of the driving member 5 sequentially passes through the second abdicating hole 614 and the second rack 64 to be connected to the rotating shaft 42 of the fan 4 and can slide back and forth in the second abdicating hole 614.

In addition, the disinfection cabinet is provided with a control system, and the driving piece 5 and the door control switch 12 are electrically connected with the control system; in the state that any drawer 2 is opened, the drawer 2 releases the contact 121 to open the door control switch 12, and the driving member 5 is in the power-off state; in the state where all the drawers 2 are closed, the drawer 2 presses the contact 121 to close the door control switch 12, and the driving member 5 is in the energized state.

Example 2:

fig. 6 shows a second preferred embodiment of the disinfection cabinet according to the invention. The difference from example 1 is that:

in this embodiment, the cross section of the fan blade 41 'of the fan 4' is wavy, so that a plurality of concave surfaces and convex surfaces are formed on the surface of the fan blade facing the disinfecting lamp tube 3, wherein the concave surfaces can collect light rays, the collected light rays can improve the local light ray intensity, and a better disinfecting effect can be achieved in a shorter time; the convex surface can radiate light, and the radiated light is beneficial to improving the uniformity of the light in the disinfection cavity 11 and reducing light dead angles.

Taking the embodiment 1 as an example, the working principle of the invention is as follows:

(1) during disinfection, as shown in fig. 1, the drawer 2 is in a closed state, the fan 4 and the driving part 5 are located in the middle of the disinfection chamber 11, the drawer 2 presses the contact 121 to close the door control switch 12, the driving part 5 is in an energized state, and a user can start the driving part 5 through the control system to drive the fan blade 41 of the fan 4 to rotate around the axis of the rotating shaft 42, so as to disturb a flow field in the disinfection chamber 11, so that hot air formed by the heating part 13 and ozone formed by the disinfection lamp tube 3 are uniformly distributed in the disinfection chamber 11, and meanwhile, because the surface of the fan blade 41 is made of a material capable of reflecting disinfection light, the rotating fan blade 41 can change the irradiation angle and range of the disinfection light, provide dynamic disinfection light, and perform multi-angle irradiation and sterilization on the disinfection chamber;

(2) after the disinfection is finished, the drawer 2 is opened, the drawer 2 above the drawer 2 moves forwards, the drawer moves for a certain distance of idle stroke first until the rear end of the limiting hole 211 moves to the position of the limiting column 621, then the limiting column 621 drives the first rack 62 to move forwards under the driving of the drawer 2, the gear 63 rotates due to the gear 63 engaging with the first rack 62, and the second rack 64 moves backward due to the second rack 64 engaging with the gear 63, thereby moving the fan 4 and the driving member 5 synchronously backward until the drawer 2 is completely opened, as shown in fig. 2, the fan 4 and the driving member 5 are located at the rear of the sterilizing chamber 11, the risk that the user is cut by the fan blade 41 when taking and putting the tableware can be avoided, the drawer 2 releases the contact 121 to disconnect the door control switch 12, the driving part 5 is in a power-off state, and the fan blade 41 is prevented from rotating and interfering with other parts in the disinfection cavity 11.

Claims

1. A disinfection cabinet, which comprises

The cabinet body (1) is internally provided with a disinfection cavity (11);

a drawer (2) which can be drawn in and out of the disinfection chamber (11);

the heating element (13) is arranged on the cabinet body (1) and can heat the disinfection cavity (11); and

the disinfection lamp tube (3) is arranged in the disinfection cavity (11) and can generate disinfection light;

the method is characterized in that: also comprises

The fan (4,4 ') is positioned in the disinfection cavity (11) and comprises fan blades (41, 41') and a rotating shaft (42) connected to the end parts of the fan blades (41,41 '), and the surface of each fan blade (41, 41') is made of a material capable of reflecting disinfection light; and

and the power output shaft of the driving piece (5) is in transmission connection with the rotating shaft (42) so as to enable the fan blades (41, 41') to rotate around the axis of the rotating shaft (42).

2. A disinfection cabinet as claimed in claim 1, wherein: the fan (4, 4') can move back and forth along the depth direction of the disinfection chamber (11) and has at least two states:

the fan (4, 4') and the driving member (5) are positioned at the rear part of the sterilizing chamber (11) in the state that the drawer (2) is opened;

in the closed state of the drawer (2), the fan (4, 4') and the drive member (5) are located in the middle of the sterilization chamber (11).

3. A disinfection cabinet as claimed in claim 2, wherein: also comprises

The transmission assembly (6) is arranged between the drawer (2) and the driving piece (5), and can transmit the motion of the drawer (2) to the driving piece (5), so that the driving piece (5) can drive the fans (4, 4') to move towards the reverse direction relative to the cabinet body (1).

4. A disinfection cabinet as claimed in claim 3, wherein: the transmission assembly (6) comprises

The supporting strip (61) is arranged in the disinfection cavity (11) and extends along the depth direction of the disinfection cavity (11);

the first rack (62) is movably arranged on the supporting bar (61), extends along the length direction of the supporting bar (61) and is in transmission connection with the drawer (2);

the gear (63) is rotationally connected to the supporting bar (61) and meshed with the first rack (62); and

the second rack (64) can be movably arranged on the supporting bar (61), extends along the length direction of the supporting bar (61) and is meshed with the gear (63);

the driving piece (5) is arranged on the second rack (64).

5. A disinfection cabinet as claimed in claim 4, wherein: spacing seat (21) is installed to the bottom of drawer (2), has seted up spacing hole (211) on this spacing seat (21), correspondingly, first rack (62) on install spacing post (621), the tip of this spacing post (621) is inserted and is established spacing hole (211) in.

6. A disinfection cabinet as claimed in claim 5, wherein: the limiting hole (211) is a waist-shaped hole and extends along the depth direction of the disinfection cavity (11), and the end part of the limiting column (621) can be inserted into the limiting hole (211) in a sliding manner.

7. A disinfection cabinet as claimed in claim 5, wherein: first hole (613) and the second hole (614) of stepping down of extending along its length direction are seted up respectively to the surperficial both sides of support bar (61), spacing post (621) wear to establish first hole (613) of stepping down in and can slide around in first hole (613) of stepping down, the power output shaft of driving piece (5) passes in proper order second hole (614) of stepping down and second rack (64) with pivot (42) be connected and can slide around in second hole (614) of stepping down.

8. A disinfection cabinet as claimed in claim 4, wherein: the two sides of the supporting bar (61) are respectively provided with a first sliding groove (611) and a second sliding groove (612) which extend along the length direction of the supporting bar, the first rack (62) can be slidingly accommodated in the first sliding groove (611), and the second rack (64) can be slidingly accommodated in the second sliding groove (612).

9. A disinfection cabinet as claimed in claim 1, wherein: the number of the fan blades (41, 41') is at least two, and the fan blades are arranged at intervals along the circumferential direction of the rotating shaft (42).

10. A disinfection cabinet as claimed in claim 1, wherein: the surface of one side of the fan blade (41) facing the sterilizing lamp tube (3) is provided with a plurality of bosses (411) or/and grooves (412) which are arranged at intervals.

11. A disinfection cabinet as claimed in claim 10, wherein: the outer circumference of the cross section of the boss (411) is gradually reduced from the surface of the fan blade (41) to the outside, and the caliber of the groove (412) is gradually reduced from the surface of the fan blade (41) to the inside.

12. A disinfection cabinet as claimed in claim 1, wherein: the surface of the fan blade (41') facing one side of the sterilizing lamp tube (3) is wavy.

13. A disinfection cabinet as claimed in any one of claims 1 to 12, wherein: a door-controlled switch (12) is arranged in the disinfection cavity (11), a contact (121) corresponding to the drawer (2) is arranged on the door-controlled switch, the disinfection cabinet is provided with a control system, and the driving piece (5) and the door-controlled switch (12) are both electrically connected with the control system;

in the state that the drawer (2) is opened, the drawer (2) releases the contact (121) to open the door control switch (12), and the driving piece (5) is in a power-off state;

when the drawer (2) is closed, the drawer (2) presses the contact (121) to close the door control switch (12), and the driving piece (5) is in an electrified state.