CN107802847B

CN107802847B - Disinfection cabinet

Info

Publication number: CN107802847B
Application number: CN201711046791.1A
Authority: CN
Inventors: 谭柏豪; 许曼曼; 季俊生
Original assignee: Midea Group Co Ltd; Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Current assignee: Wuhu Midea Smart Kitchen Appliance Manufacturing Co Ltd
Priority date: 2017-10-31
Filing date: 2017-10-31
Publication date: 2020-06-05
Anticipated expiration: 2037-10-31
Also published as: CN107802847A

Abstract

The invention relates to the field of sterilization of disinfection cabinets, in particular to an embedded disinfection cabinet with a special-shaped heating pipe structure. The disinfection cabinet comprises a cabinet body and a plurality of heating tubes, wherein the heating tubes are arranged on the side wall of an inner container of the cabinet body, the heating tubes form a size nesting relation, and the area surrounded by the heating tubes accounts for 50% -100% of the area of the side wall of the inner container; and a heat shield is arranged between the heating tube and the side wall of the inner container. According to the invention, the plurality of heating tubes are distributed in a size nested relation, the area surrounded by all the heating tubes occupies a larger area of the rear side wall of the inner container, the shape of the heating tubes is not limited to a straight tube, the length of the heating tubes is increased in multiples, the heating power is increased, the temperature in the cavity is rapidly increased after the power is on, and the heating area is increased to avoid uneven heating of the bowl and the dish due to over-concentration of heat. In addition, the heating tube and the side wall of the inner container are isolated through the heat shield plate, so that the heat insulation effect is achieved, and the peculiar smell generated by the heat insulation material in the inner container due to heating transition is avoided.

Description

Disinfection cabinet

Technical Field

The invention relates to the field of sterilization of disinfection cabinets, in particular to a disinfection cabinet.

Background

The current household embedded disinfection cabinet has two main disinfection modes: ultraviolet ozone mode and high-temperature infrared ray disinfection mode. The high-temperature infrared disinfection mode mainly utilizes the power-on of a heating tube, namely a quartz tube or a carbon fiber tube, so that infrared rays are emitted outwards when the heating tube generates heat, and the destruction of tissues such as microbial protein and the like is realized, thereby realizing high-temperature disinfection and sterilization. Ultraviolet rays destroy the DNA structure of bacteria and viruses by irradiating the bacteria and viruses, thereby achieving the bactericidal effect. But the inside local high temperature of cavity often appears in present heating sterilization mode, leads to the outer insulation material of cavity to damage or the peculiar smell appears, and the tableware is heated unevenly easily moreover in the sterilizer, influences the disinfection effect.

Disclosure of Invention

Technical problem to be solved

The invention aims to provide an embedded disinfection cabinet with a special-shaped heating pipe structure, which solves the problems of uneven heating and serious peculiar smell.

(II) technical scheme

In order to solve the technical problems, the invention provides a disinfection cabinet which comprises a cabinet body and a plurality of heating tubes, wherein the heating tubes are arranged on the side wall of an inner container of the cabinet body, the heating tubes form a size nested relation, and the area enclosed by the heating tubes accounts for 50% -100% of the area of the side wall of the inner container; and a heat shield is arranged between the heating tube and the side wall of the inner container. The heating tubes are nested, the coverage area is increased, the heat uniformity of the cavity of the disinfection cabinet is improved, the problem that the width of the side wall of the inner container is limited is solved, and in addition, the heat insulation layer of the inner container is prevented from entering by the heat shield.

In some embodiments, preferably, the heating tube is a circular ring, a U-shaped tube, or a coiled mosquito coil tube. The shapes get rid of the limitation that the heating tube is limited by the width of the side wall of the inner container, the length of the heating tube is increased, and the heating power is improved.

In some embodiments, preferably, the heat generating tube includes a first U-shaped tube and a second U-shaped tube, the first U-shaped tube is larger than the second U-shaped tube, and the second U-shaped tube is located inside the first U-shaped tube and coaxial with the first U-shaped tube. The inner container side wall can be uniformly distributed from the edge to the center, and the uniformity of heat is improved.

In some embodiments, preferably, a receiving groove is disposed on a front surface of the heat shield, and a shape of the receiving groove is the same as a shape of the heat generating tube. The heating tube is arranged in the containing groove, so that the position occupied by the heating tube is reduced, and more space is reserved for the disinfection cavity.

In some embodiments, preferably, a positioning component is further disposed in a middle region of the heat shield, and the positioning component fixes the heat generating tube on the heat shield. The heating tube can be positioned on the heat shield plate, and the stability of the heating tube is improved.

In some embodiments, preferably, the positioning assembly comprises: the heating tube comprises a positioning groove, a positioning elastic sheet and a positioning piece, wherein the positioning groove is formed in the front surface of the heat shield, the positioning elastic sheet is an arc-shaped sheet, the opening of the positioning elastic sheet faces the positioning groove of the heat shield, the heating tube is buckled and pressed, and two sides of the positioning elastic sheet are fixed on the heat shield through the positioning piece; the groove depth of the positioning groove is smaller than that of the accommodating groove. The outward play of heating tube is avoided to the lock mode. Because the depth of the positioning groove is small, the heating tube is suspended in the accommodating groove, and the heat transfer from the heating tube to the heat shield plate can be further reduced.

In some embodiments, preferably, a crack stop groove is disposed between the positioning groove and the accommodating groove at a position where the heating tube is placed, and the positioning groove, the accommodating groove and the crack stop groove are not communicated. The crack-stopping groove is a through groove and penetrates through the heat shield plate. The crack-stopping groove can prevent the heat shield plate from cracking in the machining process.

In some embodiments, it is preferable that the positioning member is a plurality of positioning members, and the positioning members are symmetrical to each other about the central axis as a symmetry axis. The symmetry sets up the equilibrium that can improve the location atress, makes the fixed relation between heating tube and the heat shield more firm, can not take place the circumstances such as incline.

In some embodiments, preferably, both ends of the heat generating tube are fixed to a holder fixed to the heat shield plate. The setting of support can be fixed in the both ends of heating tube on the heat shield, avoids both ends perk, or the unstable stability that influences whole heating tube in both ends.

In some embodiments, preferably, the edge of the front surface of the heat shield is bent towards the back surface and contacts with the inner container side wall; and more than one mounting blade extends from the edge of the heat shield, and the mounting blades are fixedly connected with the side wall of the inner container. A cavity is formed between the heat shield and the side wall of the inner container, and the radiation of heat to the side wall of the inner container is further reduced by the acting force of air.

In some embodiments, preferably, the disinfection cabinet further comprises: and the protective cover covers the heating tube. Consider to wait that disinfection article place with the cavity in easy touching the heating tube, cause the heating tube impaired, cover the safety cover on the heating tube, avoid waiting disinfection article direct contact heating tube, improve the life of heating tube, moreover, avoid waiting disinfection article direct and heating tube contact, lead to the uneven problem of heat distribution that heat direct transfer arouses.

In some embodiments, preferably, one side of the protective cover is rotatably connected to the heat shield, and the opposite side is provided with a mounting member detachably fixed to a corresponding mounting position of the heat shield. Through the detachable type, conveniently shift out or remove the safety cover, maintain, change the operation such as to the heating tube.

In some embodiments, preferably, the protective cover is rotatably connected to the heat shield plate by: the rotation is carried out through the matching of the rotating shaft and the rotating hole. The rotating shaft can be arranged on the protective cover or on the heat shield, and the other part is correspondingly provided with a rotating hole.

In some embodiments, preferably, the mounting member is a corner leg extending outwardly from a side edge of the protective enclosure, and the mounting location is a receptacle. The corner support legs can prevent the corner support legs from moving in the left, right, front and back directions and avoid outward movement.

In some embodiments, preferably, the protective cover is a protective net or a protective frame formed by interweaving longitudinal and transverse lines. The net shape and the criss-cross interweaving can form a tighter protection effect.

(III) advantageous effects

According to the technical scheme provided by the invention, the plurality of heating tubes are distributed in a size nested relation, the area enclosed by all the heating tubes occupies a larger area of the rear side wall of the inner container, the shape of the heating tubes is not limited to a straight tube, and the length of the heating tubes can be increased in multiples, so that the heating power is increased, the temperature in the cavity is rapidly increased after the power is on, and the heating area is increased to avoid uneven heating of the bowl and the dish caused by over-concentration of heat. In addition, keep apart through the heat shield between heating tube and the inner bag lateral wall, the shape will be greater than the shape that the heating tube encloses to play thermal-insulated effect, avoid the insulation material in the inner bag to be heated the transition and produce the peculiar smell.

Drawings

FIG. 1 is a general schematic view of a disinfection cabinet according to an embodiment of the present invention;

FIG. 2 is a schematic view showing a relative relationship structure of a heat generating tube, a heat shield plate and a protective cover according to an embodiment of the present invention;

FIG. 3 is a schematic view of the construction of a heat shield according to an embodiment of the present invention;

fig. 4 is a schematic view of the structure in the direction of a-a in fig. 3.

Note: 1, a disinfection cabinet; 2, an upper chamber; 3, a lower chamber; 4, a heating tube; 5, a heat shield plate; 6, a protective cover; 7, a support; 51. 52 outwardly extending faces of the heat shields; 53 a containing groove; 54 positioning holes; 55 positioning grooves; 56 positioning holes at the left and right sides above the heat shield plate.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. "first", "second", "third" and "fourth" do not denote any sequence relationship, but are merely used for convenience of description. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. "Current" is the time at which an action is performed, multiple occurrences of which are recorded in real time over time.

Products, methods, and the like will be described in detail below with reference to basic designs, extended designs, and alternative designs.

The invention provides a disinfection cabinet, as shown in figures 1-4, which comprises a cabinet body and a plurality of heating tubes 4, wherein the heating tubes 4 are arranged on the side wall of an inner container of the cabinet body, the heating tubes form a size nesting relation, and the area enclosed by the heating tubes 4 accounts for 50% -100% of the area of the side wall of the inner container; a heat shield 5 is arranged between the heating tube 4 and the side wall of the inner container.

The cabinet body comprises an upper chamber 2 and a lower chamber 3, and a heating pipe 4 is usually arranged in the lower chamber 3 and can promote heat to move upwards to disinfect articles. In addition, the heating tube 4 is usually disposed on the rear side wall of the cabinet inner container to reduce the occupied space. Moreover, considering the problem that the heating tube 4 in the prior art is limited by the size of the side wall of the inner container, so that the heating is not uniform, the heating tube 4 in the prior art is made into the mutually nested heating tube, the larger the coverage area is, the better the coverage area is, and therefore, the heating tube is recommended to cover the whole rear side wall of the inner container as much as possible. The enclosed area is also understood to mean the covered area. The shape of the heat generating tube 4 can be arbitrarily designed by those skilled in the art according to the principle. When the shape of the heating tube 4 is not limited to a straight tube, the length of the heating tube 4 can be doubled, so that the heating power is increased, the temperature in the cavity rises rapidly after the power is on, and the heating area is increased to avoid uneven heating of the bowl and the dish caused by too concentrated heat.

In addition, keep apart through heat shield 5 between heating tube 4 and the inner bag lateral wall, heat shield 5 is preferred to be more than or equal to the area that heating tube 4 encloses, and moreover, the shape will be greater than the shape that heating tube 4 encloses to play thermal-insulated effect, avoid the insulation material in the inner bag to be heated the transition and produce the peculiar smell.

The following gives a design shape of the heat generating tube 4: the heating tube comprises a first U-shaped tube and a second U-shaped tube, the first U-shaped tube is larger than the second U-shaped tube, and the second U-shaped tube is located inside the first U-shaped tube and coaxial. The two are nested, and a larger area can be covered.

It should be noted that in other cases, a plurality of rows of mutually nested hairpin tubes may be provided, or an increased number of such rows of nested hairpin tubes may be provided, such as 3, 4, or 5 … … nested in sequence.

Of course, the heat-generating tube 4 can also be designed in other shapes, such as: the ring shape is formed by encircling more than two concentric rings; or enclosed into a thread mosquito-repellent incense type pipe.

The following describes the manner of mounting the lower heat-generating tube 4 on the heat shield plate 5:

in practical operation, firstly, the fixing of the heating tube 4 on the heat shield 5 is considered, and the heating tube and the heat shield can be directly fixed through a fixing piece; several fastening means are given below:

in the first mode, the heat shield 5 has a receiving groove on the front surface, and the shape of the receiving groove is the same as that of the heating tube 4.

The heating tube 4 is sunk into the containing groove, and the position can be fixed by means of interference clamping. This situation increases the heat transfer to the heat shield.

In the second mode, as shown in fig. 3, a positioning component is provided in the middle region of the heat shield 5, and the heat generating tube 4 is fixed on the heat shield 5 by the positioning component. This solution is the above-mentioned fixing method, and in the specific implementation, the positioning assembly includes: constant head tank, location shell fragment and setting element, location shell fragment are the arc piece, and the opening is towards heat shield 5, withhold heating tube 4, and the both sides of location shell fragment are fixed in heat shield 5 through the setting element. The location shell fragment is with heating tube 4 lock on heat shield 5 promptly, then location shell fragment and heat shield 5 fixed connection, make heating tube 4 be in the space that storage tank and location shell fragment enclose, prevent that it from making a round trip to rock, the drunkenness. The groove depth of the positioning groove is smaller than that of the accommodating groove.

The heat-emitting pipe is suspended in the accommodating groove under the condition and is fixed through the positioning groove, the positioning elastic sheet and the positioning piece, so that the heat transfer to the heat shield plate can be reduced.

The accommodating grooves of the first mode and the second mode can save space for placing the heating tube and increase the disinfection space of the disinfection cavity.

In addition, for the purpose of force balance and position stability of the heating tube 4, a plurality of positioning components are arranged, and the positioning components are mutually symmetrical by taking the central axis as a symmetry axis.

In the second mode, a crack-stopping groove is further formed between the positioning groove and the accommodating groove, and the crack-stopping groove is not communicated with the positioning groove and the accommodating groove, so that the heat shield plate is prevented from being cracked when the positioning groove and the accommodating groove are processed. The crack arrest slot penetrates the heat shield. The heat shield is integrally formed, the assembling steps are reduced, the heating tube is compressed and fixed in the positioning groove through the elastic piece, the groove is separated from the heating tube, and the heat shield is effectively blocked from being influenced by heat transfer of the heating tube.

In the third mode, two ends of the heating tube 4 are fixed on the support 7, and the support 7 is fixed on the heat shield 5.

Considering that the heating tube 4 generates a large amount of heat, the support 7 may be made of a material having high heat resistance, such as ceramic or other refractory materials. Two ends of the heating tube 4 are embedded in the ceramic seat, and the rear end of the ceramic seat is fixed on the rear wall of the inner container.

In addition, in other embodiments, other modes can be used, and the three modes can be combined.

The heat shield 5 has been mentioned above, which has a mainly insulating effect. The structure of the heat shield 5 and its mounting on the liner side wall are given below:

as shown in fig. 3 and 4, the heat shield 5 is made of a refractory material and is a complete sheet metal part, plate-like structure. In order to further improve the heat resistance effect, the heat insulation can be achieved by air, so that the edge of the front surface (i.e. the surface on which the heating tube 4 is mounted) of the heat shield 5 is bent towards the back surface and is in contact with the side wall of the liner, the back surface of the heat shield 5 is prevented from being in direct contact with the side wall of the liner by bending, and the heat transfer is reduced. More than one mounting blade extends from the edge of the heat shield 5, and the mounting blades are fixedly connected with the side wall of the inner container.

It should be noted that the mounting of the vanes is as much as possible to force the heat shield 5 evenly, and therefore a symmetrical arrangement is proposed. The mounting blade and the inner container side wall bracket can be clamped, pin-jointed, screwed and the like.

Such as: the periphery of the heat shield plate 5 is bent downwards, so that the upper surface of the heat shield plate 5 is connected with the rear side of the lower liner. The left side, the right side and the lower side of the heat shield plate 5 are respectively provided with a plane 51 and a plane 52 which extend outwards and are fixedly connected with the rear side of the lower liner. The mounting groove 55 and the positioning hole 54 of the heat shield are arranged in bilateral symmetry in the middle of the heat shield 5, the heating hole is matched with the fixed concave sheet, the heating tube 4 is placed in the accommodating groove and suspended in the air, and the heating tube 4 is prevented from being broken due to shaking. The heat pipe is fixed and is separated from the containing groove by a certain distance, so that the heat of the heating pipe 4 is reduced to be transferred to the rear wall of the inner container.

Considering that the heating tube 4 is arranged in the disinfection cavity in a way of facing the disinfection cavity, when disinfection objects are placed in the disinfection cavity, the disinfection objects can touch the heating tube 4 at times and affect the service life of the heating tube 4, therefore, the disinfection cabinet is also provided with the protection cover 6, and the protection cover 6 covers the heating tube 4. The protective cover 6 is positioned in front of the heating tube 4 to prevent the heating tube 4 from colliding with a bowl and a dish on the drawer.

In order to facilitate the replacement, maintenance, etc. of the heat generating tube 4, it is preferable that the protective cover 6 and the heat shield plate 5 are not fixedly connected, but detachably connected, for example: a side edge of the protective cover 6 is connected with the heat shield plate 5 in a rotating mode, the opposite side edge is provided with a mounting part, and the mounting part is detachably fixed on the mounting position of the heat shield plate 5 corresponding to the mounting position. When the heating tube 4 needs to be replaced and maintained, the mounting part is removed from the mounting hole, the protective cover 6 is rotated, the heating tube 4 is displayed in front of a user, and the heating tube can be directly replaced or maintained.

The mode of rotationally connecting the protective cover 6 and the heat shield plate 5 can adopt the matching of a rotating shaft and a rotating hole to rotate. The installed part is the outside corner stabilizer blade that extends of side of self preservation protection casing 6, and the installation position is the jack, and the high too high and rocking that arouses of protection casing can be prevented in couple formula design.

The heating tube 4 is long and the heating coverage area is large, so that the probability of collision of bowls and dishes on the bowl basket when the drawer is pushed and pulled is increased, and the area of the protective cover 6 is also large enough. In the design scheme, the protective cover 6 is formed by arranging and bending metal strips with different lengths, the left side and the right side of the uppermost metal strip of the protective cover 6 are respectively provided with an inward bent hook 61, and the hooks are positioned with the positioning holes 56 on the left side and the right side above the heat shield plate 5. The hook of the protective cover 6 can rotate around the circle center of the positioning hole after being clamped into the positioning hole until the positioning pin 62 (namely the corner support leg) is sleeved into the groove of the ceramic base of the heating tube 4, the protective cover 6 can be fixed with the groove of the ceramic base through the positioning hole above the hook-type heat shield plate 5, and the protective cover 6 is prevented from shaking during normal operation of the disinfection cabinet. Wherein the protective cover 6 is a protective frame formed by interweaving a protective net, a perforated metal plate or longitudinal and transverse lines.

The invention utilizes the scheme of the special-shaped heating tube 4, the heating tube 4 is not limited by the length of the cavity, and the length and the power of the heating tube 4 are improved.

Adopt the mode of an integral heat shield 5, reduce the spare part of product, effectively shelter from the heat radiation of part between the heating tube 4 moreover, reduce cavity surface temperature, the outer heat preservation of protection.

The protective cover 6 is connected with the positioning hole of the heat shield plate 5 by adopting a hook, and is convenient to install.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A disinfection cabinet is characterized by comprising a cabinet body and a plurality of heating tubes, wherein the heating tubes are arranged on the side wall of an inner container of the cabinet body, the heating tubes form a size nesting relation, and the area surrounded by the heating tubes accounts for 50% -100% of the area of the side wall of the inner container; a heat shield is arranged between the heating tube and the side wall of the inner container; the front surface of the heat shield is provided with more than one accommodating groove, and the heating tube is suspended in the accommodating grooves through a positioning component.

2. A disinfection cabinet as claimed in claim 1, wherein said heat-generating tube is circular, U-shaped or coiled into a coil type.

3. A disinfection cabinet as claimed in claim 2, wherein said heat-generating tubes include a first U-shaped tube, a second U-shaped tube, said first U-shaped tube being larger than said second U-shaped tube, said second U-shaped tube being coaxial within said first U-shaped tube.

4. The disinfection cabinet of claim 1 wherein the shape of the receiving slot is the same as the shape of the heat-generating tube.

5. A disinfection cabinet as claimed in claim 4, characterized in that said heat shield is also provided in its central region with said positioning means, said positioning means fixing said heat pipes to said heat shield.

6. A disinfection cabinet as claimed in claim 5, wherein said positioning assembly comprises: the heating tube comprises a positioning groove, a positioning elastic sheet and a positioning piece, wherein the positioning groove is formed in the front surface of the heat shield, the positioning elastic sheet is an arc-shaped sheet, the opening of the positioning elastic sheet faces the positioning groove of the heat shield, the heating tube is buckled by the positioning elastic sheet, and two sides of the positioning elastic sheet are fixed on the heat shield through the positioning piece; the groove depth of the positioning groove is smaller than that of the accommodating groove.

7. A disinfection cabinet as claimed in claim 5, wherein a crack-stop groove is provided between said positioning groove and said containing groove at the position of the heat-generating tube, said positioning groove, said containing groove and said crack-stop groove are not communicated, said crack-stop groove is a through groove.

8. A disinfection cabinet as claimed in claim 5, characterized in that said positioning elements are plural and symmetrical to each other about a central axis.

9. A disinfection cabinet as claimed in claim 5, characterized in that said heat pipes are fixed at both ends to supports fixed to said heat shield.

10. A disinfection cabinet as claimed in claim 1, wherein the edge of the front surface of said heat shield is bent in a back direction and contacts the side wall of said inner container; and more than one mounting blade extends from the edge of the heat shield, and the mounting blades are fixedly connected with the side wall of the inner container.

11. A disinfection cabinet as claimed in any one of claims 1-10, further comprising: and the protective cover covers the heating tube.

12. A disinfection cabinet as claimed in claim 11, wherein said protective cover is pivotally connected at one side to said heat shield, and is provided at an opposite side with a mounting member, said mounting member being detachably secured to a corresponding mounting location of said heat shield.

13. A disinfection cabinet as claimed in claim 12, wherein said protective covering is rotatably connected to said heat shield by: the rotation is carried out through the matching of the rotating shaft and the rotating hole.

14. A fumigation cabinet as defined in claim 12, in which said mounting means are corner legs extending outwardly from the sides of said enclosure and said mounting location is a socket.

15. A disinfection cabinet as claimed in claim 11, characterized in that said protective cover is a protective net or a protective frame made of interlaced longitudinal and transverse threads.