A compact sterilization device suitable for installation and use inside a cabinet

Abstract

The utility model discloses a compact sterilization device suitable for installing and using inside cabinet body, including bottom shell and install the cover of bottom shell upper port, install circuit board, pest control element, sterilization element and fan in bottom shell inside, bottom shell inside has the air duct of parallelly arranged with circuit board, and the air inlet and air outlet have on bottom shell outer circumferential side wall, and the air inlet of air duct corresponds and connects, and the air outlet end corresponds and connects with the air inlet end of fan, and the air outlet end of fan corresponds and connects with the air outlet, and pest control element and sterilization element are integrated on circuit board, and sterilization element is located in the air duct, and sterilization element is diffuse sterilization ion type sterilization device. Internal component layout is reasonable, and compactness is good, and the overall structure size is exquisite and small, can be hung and installed in the cabinet body inside use of inside space narrow of cabinet, wardrobe etc.

Description

Technical Field

[0001] This utility model relates to the field of sterilization and disinfection technology, specifically to a compact sterilization device suitable for installation and use inside a cabinet. Background Technology

[0002] In daily life, tableware such as bowls, plates, chopsticks, and spoons are usually stored in cabinets. With increasing demands for quality of life, especially a growing emphasis on healthy eating, maintaining continuous and effective sterilization of storage spaces (such as the interior of cabinets) is crucial for ensuring the hygiene of tableware. Currently, most existing equipment for sterilizing tableware is a sterilization cabinet. Household sterilization cabinets are mostly built-in, requiring users to reserve installation space in the kitchen during renovations. For users who have already renovated and wish to add a sterilization cabinet, they either need to purchase a cabinet-style sterilization cabinet for the living room or kitchen, or carve out a new area in the kitchen for a built-in cabinet, which is costly. Therefore, this invention proposes a compact sterilization device suitable for installation inside a cabinet, aiming to solve the aforementioned technical problems. Summary of the Invention

[0003] The purpose of this invention is to overcome the defects in the existing technology and provide a compact sterilization device suitable for installation inside cabinets. By arranging the circuit board and air duct in parallel, and integrating the insect repellent element and the sterilization element on the circuit board, the layout is reasonable and compact. As a result, the overall structure of the sterilization device of this invention is exquisite and small. Compared with traditional disinfection cabinets, its installation and use scenarios are more flexible. It can be suspended and installed inside cabinets, wardrobes and other cabinets with limited internal space. The insect repellent element has an insect repellent function, and the sterilization element is a diffuse sterilization ion sterilization device. The sterilization ions generated by it are circulated and dispersed to the outside of the bottom shell by the fan to achieve a controlled sterilization effect on the internal space of the cabinet. The overall structure design is ingenious and reasonable, with high feasibility of preparation and implementation, and strong practicality.

[0004] To achieve the above objectives, the technical solution of this utility model is to design a compact sterilization device suitable for installation inside a cabinet, including an upward-facing bottom shell and a cover plate installed on the upper port of the bottom shell. A circuit board, an insect-repelling element, a sterilization element, and a fan are installed inside the bottom shell. The bottom shell also has an air duct arranged parallel to the circuit board. An air inlet and an air outlet are located on the outer peripheral sidewall of the bottom shell. The air inlet end of the air duct is connected to the air inlet, the air outlet end of the air duct is connected to the air inlet end of the fan, and the air outlet end of the fan is connected to the air outlet. The insect-repelling element and the sterilization element are both integrated on the circuit board, and the sterilization element is located inside the air duct. The sterilization element is a diffuse sterilization ion sterilization device.

[0005] This utility model discloses a compact sterilization device suitable for installation inside cabinets. By arranging the circuit board and air duct in parallel, and integrating the insect-repelling element and sterilization element on the circuit board, the layout is reasonable and compact. As a result, the overall structure of this sterilization device is exquisite and small in size. Compared with traditional disinfection cabinets, its installation and use scenarios are more flexible. It can be suspended and installed inside cabinets, wardrobes, and other cabinets with limited interior space. The insect-repelling element has an insect-repelling function, and the sterilization element is a diffuse sterilization ion type sterilization device. The sterilization ions generated by it are circulated and dispersed to the outside of the bottom shell by a fan to achieve a controlled sterilization effect on the internal space of the cabinet. The overall structural design is ingenious and reasonable, with high feasibility for preparation and implementation and strong practicality.

[0006] A preferred technical solution is that the bottom upper side of the base shell is provided with a plurality of screw-hole posts spaced circumferentially around its outer periphery. The outer periphery of the circuit board is horizontally overlapped with the top of the plurality of screw-hole posts, and the circuit board is fixedly connected to the corresponding screw-hole posts by screws passing through the mounting holes on its outer periphery. The air duct is located below the circuit board, and the insect-repelling element and the fan are both mounted on the upper side of the circuit board. The circuit board has a ventilation hole that connects the air inlet of the fan to the air outlet of the air duct. The lower side of the circuit board has a support frame for inserting and installing the sterilization element. The circuit board is laid flat and fixed inside the cavity of the base shell, the air duct is located below the circuit board, and the sterilization element is located inside the air duct. The layout is reasonable and the installation is convenient, which helps to improve the assembly and processing efficiency of the sterilization device of this utility model.

[0007] A further preferred technical solution includes an air inlet located on the front side wall of the bottom shell, an air outlet located on the rear side wall of the bottom shell, and a battery mounting cavity located on the left and right sides of the front end of the internal cavity of the bottom shell. A rechargeable battery is installed inside each battery mounting cavity. A notch is located on the left and right sides of the front end of the circuit board to accommodate the corresponding battery mounting cavity. The rear end of the upper bottom surface of the bottom shell has a vertically curved plate with an opening facing forward. The left end of the vertically curved plate is connected to the rear end of the right side wall of the battery mounting cavity on the left side, and the right end is connected to the rear end of the left side wall of the battery mounting cavity on the right side. The battery on the left side... The right side wall of the mounting cavity, the left side wall of the battery mounting cavity located on the right, and the vertical arc-shaped plate enclose to form the air duct with an opening facing forward. The rear end of the lower side of the circuit board abuts against the upper edge of the vertical arc-shaped plate. The ventilation hole is located above the internal cavity of the vertical arc-shaped plate. A switch control module and a function selection control module are installed on the circuit board. A power switch button and a function selection button are installed on the side wall of the bottom shell. The power switch button is connected to the switch control module, and the function selection button is connected to the function selection control module. A charging plug for charging the rechargeable battery is also installed on the side wall of the bottom shell. The length direction of the air duct is in the front-to-back direction. Rechargeable batteries are installed at the front ends of the left and right sides of the air duct. The front end of the air duct is the air inlet, and the rear end of the air duct is the air outlet. The fan is located at the rear end of the circuit board. The internal components are reasonably arranged and compact, further ensuring the successful preparation and implementation of the sterilization device of this utility model.

[0008] A further preferred technical solution includes a pair of vertically spaced plates on the inner wall of the rear sidewall of the bottom shell, used to limit the air outlet of the fan. The lower front end of each vertical plate has a support step for supporting the rear edge of the circuit board. The pair of vertical plates limit the air outlet of the fan, ensuring that the air outlet of the fan is always precisely aligned with the air outlet, and ensuring that the bactericidal ions generated by the sterilization element can be blown out by the fan as much as possible, thus helping to ensure a highly efficient sterilization effect on the air inside the cabinet.

[0009] A further preferred technical solution is that the insect-repelling element is an ultrasonic generator, and a driver and a buzzer are also installed on the upper side of the circuit board. The insect-repelling element, sterilization element, buzzer, and fan are all electrically connected to the driver. A voltage regulator corresponding to the insect-repelling element is installed on the lower side of the circuit board. The sterilization element includes one of an ozone ion generator and a plasma generator, which are plugged into and installed on the support frame. The insect-repelling element is an ultrasonic generator, and the sterilization element is one of an ozone ion generator and a plasma generator. Both the insect-repelling element and the sterilization element are commercially available, universally applicable, and economical, ensuring the successful preparation and implementation of the sterilization device of this utility model.

[0010] A further preferred technical solution is that a negative ion generator, electrically connected to the driver, is also installed on the support frame. The negative ion generator produces negative ions, which are then dispersed into the cabinet by a fan, thereby neutralizing odors inside the cabinet.

[0011] A further preferred technical solution includes an air inlet located at the lower end of the front sidewall of the bottom shell, an air outlet located at the upper end of the rear sidewall of the bottom shell, two through holes and a charging socket at the upper end of the front sidewall of the bottom shell, a power switch button and a function selection button respectively inserted into a corresponding through hole, and a charging plug inserted into the charging socket. A light sensor electrically connected to the driver is also installed on the sidewall of the bottom shell. The light sensor acts as a light control mechanism, ensuring that the sterilization element and negative ion generator only activate when the cabinet door is closed. This ensures that the sterilization ions and negative ions are confined to the inside of the cabinet and do not overflow, thus achieving excellent sterilization and deodorization effects on the air inside the cabinet, resulting in good economic benefits.

[0012] A further preferred technical solution is that both the air inlet and outlet are grille structures or hollow structures. Grille or hollow structures for the air inlet and outlet are easy to mold using injection molding, facilitate rapid processing of the bottom shell, and offer good aesthetics.

[0013] A further preferred technical solution includes a decorative ring 1 installed on the upper edge of the bottom shell, a magnetic metal plate fixedly mounted on the lower side of the bottom of the bottom shell, and a circumferential groove on the outer periphery of the upper side of the cover plate, with a decorative ring 2 embedded and fixed inside the circumferential groove. Decorative rings 1 and 2 help improve the overall aesthetic appearance of the sterilization device of this utility model; the magnetic metal plate allows the sterilization device of this utility model to be magnetically suspended and fixed to permanent magnets on the inner wall of cabinets, wardrobes, etc., making installation and disassembly simple and without damaging the inner wall of the cabinet.

[0014] A further preferred technical solution is that the decorative ring one is fastened to the upper edge of the bottom shell by a snap-fit ​​assembly one, the magnetic metal plate is adhesively embedded and fixed inside the groove on the lower side of the bottom of the bottom shell, and the cover plate is fastened to the decorative ring one by a snap-fit ​​assembly two. The method of fixing the decorative ring one to the upper edge of the bottom shell is simple and reliable; the method of fixing the cover plate to the decorative ring two is simple and quick; and the method of fixing the magnetic metal plate to the bottom of the bottom shell is simple and secure.

[0015] The advantages and beneficial effects of this utility model are as follows:

[0016] 1. This utility model discloses a compact sterilization device suitable for installation inside cabinets. By arranging the circuit board and air duct in parallel, and integrating the insect-repelling element and the sterilization element on the circuit board, the layout is reasonable and compact. As a result, the overall structure of the sterilization device of this utility model is exquisite and small. Compared with traditional disinfection cabinets, its installation and use scenarios are more flexible. It can be suspended and installed inside cabinets, wardrobes and other cabinets with limited internal space. The insect-repelling element has an insect-repelling function, and the sterilization element is a diffuse sterilization ion sterilization device. The sterilization ions generated are circulated and blown to the outside of the bottom shell by the fan to achieve a controlled sterilization effect on the internal space of the cabinet. The overall structure design is ingenious and reasonable, with high feasibility for preparation and implementation and strong practicality.

[0017] 2. The circuit board is laid flat and fixed inside the cavity of the bottom shell, the air duct is located on the lower side of the circuit board, and the sterilization element is located inside the air duct. The layout is reasonable and the installation is convenient, which helps to improve the assembly and processing efficiency of the sterilization device of this utility model.

[0018] 3. The length of the air duct is in the front-to-back direction. Rechargeable batteries are installed at the front end of the left and right sides of the air duct. The front end of the air duct is the air inlet and the rear end of the air duct is the air outlet. The fan is located at the rear end of the circuit board. The internal components are reasonably arranged and compact, which further ensures that the sterilization device of this utility model can be successfully prepared and implemented.

[0019] 4. The insect repellent element is an ultrasonic generator, and the sterilization element is either an ozone ion generator or a plasma generator. The insect repellent element and the sterilization element are readily available on the market, have good universality and economy, and ensure the smooth preparation and implementation of this sterilization device.

[0020] 5. The light sensor acts as a light control mechanism, ensuring that the sterilization element and negative ion generator only activate when the cabinet door is closed. This guarantees that the sterilization ions and negative ions are confined to the inside of the cabinet and do not overflow, thus achieving excellent sterilization and deodorization effects on the air inside the cabinet, resulting in good economic benefits.

[0021] 6. A decorative ring is installed on the upper edge of the bottom shell, and a magnetic metal plate is fixedly installed on the lower side of the bottom of the bottom shell. A circumferential groove is provided on the outer periphery of the upper side of the cover plate, and a decorative ring is embedded and fixedly installed inside the circumferential groove. Decorative rings one and two help to improve the overall aesthetic effect of the sterilization device of this utility model; the sterilization device of this utility model can be magnetically suspended and fixed to the permanent magnet on the inner wall of cabinets, wardrobes, etc. by the magnetic metal plate. The installation and disassembly methods are simple and do not damage the inner wall of the cabinet. Attached Figure Description

[0022] Figure 1 This is a front-view perspective perspective view of a compact sterilization device suitable for installation and use inside a cabinet, according to this utility model.

[0023] Figure 2This is a rear-view perspective view of a compact sterilization device suitable for installation inside a cabinet, according to this utility model.

[0024] Figure 3 This is an exploded view of a compact sterilization device suitable for installation inside a cabinet, according to this utility model.

[0025] Figure 4 This is a split view of the bottom shell;

[0026] Figure 5 It is a top-down 3D view of the bottom shell;

[0027] Figure 6 yes Figure 5 A magnified view of a section at point H in the middle;

[0028] Figure 7 It is a top-down 3D view of the first decorative ring;

[0029] Figure 8 It is a top-down 3D view of the circuit board;

[0030] Figure 9 This is a three-dimensional view of the circuit board from an upward angle;

[0031] Figure 10 This is a split view of the cover plate;

[0032] Figure 11 This is a top view (cover plate hidden) of a compact sterilization device suitable for installation inside a cabinet according to this utility model.

[0033] Figure 12 This is a longitudinal sectional view along the front-to-back direction of a compact sterilization device suitable for installation inside a cabinet, according to this utility model.

[0034] In the diagram: 1. Bottom shell; 2. Cover plate; 3. Circuit board; 4. Driver; 5. Insect repellent element; 6. Insect repellent element voltage regulator; 7. Buzzer; 8. Support frame; 9. Charging plug; 10. Rechargeable battery; 11. Fan; 12. Light sensor; 13. Decorative ring one; 14. Magnetic metal plate; 15. Decorative ring two; 1-1. Air inlet; 1-2. Air outlet; 1-3. Through hole one; 1-4. Charging socket; 1-5. Battery mounting cavity; 1-6. Vertical curved plate; 1-7. Air duct; 1-8. Screw hole post; 1-9. Support block one; 1-10. Through hole two; 1-11. Vertical plate one; 1- 11a. Support step; 1-12. Vertical plate two; 1-13. Vertical slot; 1-14. Support block two; 1-15. Buckle one; 2-1. Buckle two; 2-2. Circumferential groove; 3-1. Switch control module; 3-2. Function selection control module; 3-3. Notch; 3-4. Ventilation hole; 3-5. Mounting hole one; 3-6. Mounting hole two; 8-1. Connecting column; 11-1. Mounting hole three; 12-1. Light sensor base plate; 13-1. Eaves; 13-2. Plug-in pin; 13-2a. Snap hole; A. Power switch button; B. Function selection button; C. Charging indicator light. Detailed Implementation

[0035] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings and examples. The following examples are only used to more clearly illustrate the technical solution of this utility model and should not be construed as limiting the scope of protection of this utility model.

[0036] Example

[0037] like Figures 1-12 As shown, a compact sterilization device suitable for installation inside a cabinet includes an upward-facing bottom shell 1 and a cover plate 2 installed on the upper port of the bottom shell 1. The bottom shell 1 houses a circuit board 3, an insect-repelling element 5, a sterilization element, and a fan 11. The bottom shell 1 also has an air duct 1-7 arranged parallel to the circuit board 3. The outer peripheral sidewall of the bottom shell 1 has an air inlet 1-1 and an air outlet 1-2. The air inlet end of the air duct 1-7 is connected to the air inlet 1-1, the air outlet end of the air duct 1-7 is connected to the air inlet end of the fan 11, and the air outlet end of the fan 11 is connected to the air outlet 1-2. The insect-repelling element 5 and the sterilization element are both integrated on the circuit board 3, and the sterilization element is located inside the air duct 1-7. The sterilization element is a diffuse sterilization ion sterilization device.

[0038] Preferably, the bottom upper side of the bottom shell 1 is provided with a plurality of screw holes 1-8 spaced circumferentially around its outer periphery. The outer periphery of the circuit board 3 is horizontally overlapped with the top of the plurality of screw holes 1-8. The circuit board 3 is fixedly connected to the corresponding screw holes 1-8 by screws passing through the mounting holes 3-5 on its outer periphery. The air duct 1-7 is located below the circuit board 3. The insect repellent element 5 and the fan 11 are both installed on the upper side of the circuit board 3. The circuit board 3 has a ventilation hole 3-4 that connects the air inlet of the fan 11 with the air outlet of the air duct 1-7. The lower side of the circuit board 3 has a support frame 8 for inserting and installing the sterilization element. Specifically, the bottom upper side of the bottom shell 1 is also provided with a plurality of support blocks 1-9 at intervals around the outer periphery for supporting the outer periphery of the circuit board 3; the outer periphery of the fan 11 has mounting holes 11-1, and the outer periphery of the circuit board 3 also has mounting holes 3-6. The fan 11 and the circuit board 3 are fixed together by screws passing through the corresponding mounting holes 11-1 and 3-6; the support frame 8 is fixed to the lower side of the circuit board 3 by connecting posts 8-1 located at both ends.

[0039] More preferably, the air inlet 1-1 is located on the front side wall of the bottom shell 1, and the air outlet 1-2 is located on the rear side wall of the bottom shell 1. A battery mounting cavity 1-5 is provided on the left and right sides of the front end of the internal cavity of the bottom shell 1, and a rechargeable battery 10 is installed inside the battery mounting cavity 1-5. A notch 3-3 for accommodating the corresponding battery mounting cavity 1-5 is provided on the left and right sides of the front end of the circuit board 3. The rear end of the bottom upper side of the bottom shell 1 has a vertical arc-shaped plate 1-6 with an opening facing forward. The left end of the vertical arc-shaped plate 1-6 is connected to the rear end of the right side wall of the battery mounting cavity 1-5 located on the left, and the right end is connected to the rear end of the left side wall of the battery mounting cavity 1-5 located on the right. The battery mounting cavity 1-5 located on the left... The right side wall, the left side wall of the battery mounting cavity 1-5 located on the right side, and the vertical arc plate 1-6 enclose the air duct 1-7 with an opening facing forward. The rear end of the lower side of the circuit board 3 abuts against the upper edge of the vertical arc plate 1-6. The ventilation hole 3-4 is located above the internal cavity of the vertical arc plate 1-6. A switch control module 3-1 and a function selection control module 3-2 are installed on the circuit board 3. A power switch button A and a function selection button B are installed on the side wall of the bottom shell 1. The power switch button A is connected to the switch control module 3-1, and the function selection button B is connected to the function selection control module 3-2. A charging plug 9 for charging the rechargeable battery 10 is also installed on the side wall of the bottom shell 1. Specifically, the rechargeable battery 10 is a lithium battery, which has a long battery life and small size, further ensuring that the sterilization device of this utility model is compact, portable, and easy to install.

[0040] More preferably, a pair of vertical plates 1-11 are vertically spaced on the inner wall of the rear side wall of the bottom shell 1 for limiting the air outlet of the fan 11, and the lower front end of the vertical plate 1-11 has a support step 1-11a for supporting the rear edge of the circuit board 3.

[0041] More preferably, the insect repellent element 5 is an ultrasonic generator, and a driver 4 and a buzzer 7 are also installed on the upper side of the circuit board 3. The insect repellent element 5, the sterilization element, the buzzer 7 and the fan 11 are all electrically connected to the driver 4. An insect repellent element voltage regulator 6 corresponding to the insect repellent element 5 is installed on the lower side of the circuit board 3. The sterilization element includes one of an ozone ion generator and a plasma generator that are plugged into and installed on the support frame 8.

[0042] More preferably, a negative ion generator electrically connected to the driver 4 is also installed on the support frame 8.

[0043] More preferably, the air inlet 1-1 is located at the lower end of the front side wall of the bottom shell 1, and the air outlet 1-2 is located at the upper end of the rear side wall of the bottom shell 1. The upper end of the front side wall of the bottom shell 1 is provided with two through holes 1-3 and a charging socket 1-4. The power switch button A and the function selection button B are respectively installed inside a corresponding through hole 1-3. The charging plug 9 is installed inside the charging socket 1-4. A light sensor 12 electrically connected to the driver 4 is also installed on the side wall of the bottom shell 1. Specifically, a charging indicator light C adjacent to the charging plug 9 is installed on the front side wall of the bottom shell 1. A vertical plate 1-12 perpendicular to the side wall and a through hole 1-10 in front of the vertical plate 1-12 are provided on the rear side wall of the left or right side wall of the bottom shell 1. Vertical slots 1-13 with opposite openings are provided on the rear side wall of the vertical plate 1-12 and the corresponding battery mounting cavity 1-5. The light sensor 12 is installed through the through hole 1-10. The front and rear ends of the light sensor base plate 12-1 located at the inner end of the light sensor 12 are inserted into the corresponding vertical slots 1-13. The bottom upper side of the bottom shell 1 is also provided with a support block 1-14 for positioning and supporting the light sensor base plate 12-1.

[0044] More preferably, both the air inlet 1-1 and the air outlet 1-2 are grille structures or hollow structures.

[0045] More preferably, a decorative ring 13 is installed on the upper edge of the bottom shell 1, a magnetic metal plate 14 is fixedly provided on the lower side of the bottom of the bottom shell 1, and an circumferential groove 2-2 is provided on the outer periphery of the upper side of the cover plate 2, and a decorative ring 15 is embedded and fixed inside the circumferential groove 2-2.

[0046] More preferably, the decorative ring 13 is fastened to the upper edge of the bottom shell 1 by a snap-fit ​​assembly 1, the magnetic metal plate 14 is glued and fixed in the groove on the lower side of the bottom of the bottom shell 1, and the cover plate 2 is fastened to the decorative ring 13 by a snap-fit ​​assembly 2. Specifically, the upper end of the inner side of the decorative ring 13 is provided with a circumferential eave 13-1 extending inward, and the lower end of the inner side is provided with a plurality of downwardly extending insertion feet 13-2 spaced in a circumferential manner. The insertion feet 13-2 have locking holes 13-2a. The upper end of the inner wall of the outer peripheral sidewall of the bottom shell 1 is provided with a plurality of snap fasteners 1-15 spaced in a circumferential manner. The decorative ring 13 is inserted into the upper end of the bottom shell 1 through the insertion feet 13-2, and the snap fasteners 1-15 are correspondingly inserted. The locking holes 13-2a on the foot 13-2 are fastened together, and the corresponding locking buckles 1-15, the insert foot 13-2 and the locking holes 13-2a constitute the first buckle assembly; the outer periphery of the lower side of the cover plate 2 is provided with several downwardly extending buckles 2-1 at intervals, and the cover plate 2 is fastened together with the circumferential eaves 13-1 on the decorative ring 13 through several buckles 2-1, and the several buckles 2-1 and the circumferential eaves 13-1 constitute the second buckle assembly.

[0047] The working principle of this utility model is as follows: A compact sterilization device suitable for installation inside a cabinet.

[0048] Taking a sterilization device equipped with an ozone ion generator as an example, under normal lighting conditions or with the cabinet door open, turning on the power switch button A will turn on the sterilization device and enter the initial test operation mode. The fan 11 and the ozone ion generator will start and work for a few seconds (e.g., 10 seconds). A slight ozone odor will be smelled at the air outlet 1-2, indicating that the sterilization device is working normally. Otherwise, the sterilization device is malfunctioning. Then, the fan 11 and the ozone ion generator will stop working and enter the sleep mode. When the cabinet door is closed, after the light sensor 12 detects that the ambient light intensity inside the cabinet is lower than a certain value (e.g., light intensity ≤ 10 Lux) for a period of time (e.g., 1 hour), the sterilization device will enter the normal insect repellent, sterilization, and deodorization working mode. After a period of time, the sterilization device will enter the sleep mode. The sterilization device continuously cycles between the working mode and the sleep mode to maintain the continuous driving, sterilization, and deodorization effect on the inside of the cabinet. The functions of the sterilization device's working mode can also be limited by the function selection button B.

[0049] This utility model discloses a compact sterilization device suitable for installation inside cabinets. By arranging the circuit board and air duct in parallel, and integrating the insect-repelling element and sterilization element on the circuit board, the layout is reasonable and compact, resulting in a delicate and small overall structure. Compared with traditional disinfection cabinets, its installation and use are more flexible, and it can be suspended and installed inside cabinets such as cabinets and wardrobes with limited interior space. The insect-repelling element has an insect-repelling function, and the sterilization element is a diffuse sterilization ion type sterilization device. The sterilization ions generated by it are circulated and dispersed to the outside of the bottom shell by a fan to achieve a controlled sterilization effect on the internal space of the cabinet. Sterilization elements and / or deodorizing elements can also be selectively installed inside the support frame according to the user's actual needs, so as to flexibly customize the functions of this utility model sterilization device. The overall structural design is ingenious and reasonable, with high feasibility of preparation and implementation and strong practicality.

[0050] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A compact sterilization device suitable for installation inside a cabinet, characterized in that, The device includes an upward-facing bottom shell (1) and a cover plate (2) installed on the upper port of the bottom shell (1). The bottom shell (1) contains a circuit board (3), an insect repellent element (5), a sterilizing element, and a fan (11). The bottom shell (1) also has an air duct (1-7) arranged parallel to the circuit board (3). The outer peripheral sidewall of the bottom shell (1) has an air inlet (1-1) and an air outlet (1-2). The air inlet end of the air duct (1-7) is connected to the air inlet (1-1), the air outlet end of the air duct (1-7) is connected to the air inlet end of the fan (11), and the air outlet end of the fan (11) is connected to the air outlet (1-2). The insect repellent element (5) and the sterilizing element are both integrated on the circuit board (3), and the sterilizing element is located inside the air duct (1-7). The sterilizing element is a diffuse sterilizing ion sterilization device.

2. The compact sterilization device for installation and use inside a cabinet as described in claim 1, characterized in that, The bottom shell (1) has a number of screw holes (1-8) spaced around its outer periphery. The outer periphery of the circuit board (3) is horizontally overlapped with the top of the screw holes (1-8). The circuit board (3) is fixedly connected to the corresponding screw holes (1-8) by screws passing through the mounting holes (3-5) on its outer periphery. The air duct (1-7) is located below the circuit board (3). The insect repellent element (5) and the fan (11) are both installed on the upper side of the circuit board (3). The circuit board (3) has a ventilation hole (3-4) that connects the air inlet of the fan (11) with the air outlet of the air duct (1-7). The lower side of the circuit board (3) has a support frame (8) for inserting and installing the sterilizing element.

3. The compact sterilization device suitable for installation inside a cabinet as described in claim 2, characterized in that, The air inlet (1-1) is located on the front side wall of the bottom shell (1), and the air outlet (1-2) is located on the rear side wall of the bottom shell (1). A battery mounting cavity (1-5) is located on the left and right sides of the front end of the internal cavity of the bottom shell (1). A rechargeable battery (10) is installed inside the battery mounting cavity (1-5). A notch (3-3) for accommodating the corresponding battery mounting cavity (1-5) is located on the left and right sides of the front end of the circuit board (3). The rear end of the bottom upper side of the bottom shell (1) has a vertical arc-shaped plate (1-6) with an opening facing forward. The left end of the vertical arc-shaped plate (1-6) is connected to the rear end of the right side wall of the battery mounting cavity (1-5) located on the left, and the right end is connected to the rear end of the left side wall of the battery mounting cavity (1-5) located on the right. The right side wall of the battery mounting cavity (1-5) located on the left, the rear end of the battery mounting cavity (1-5) located on the right, the rear end ... left, the rear end of the battery mounting cavity (1-5) located on the right, the rear end of the battery mounting cavity (1-5) located on the left, the rear end of the battery mounting cavity (1- The left side wall of the battery mounting cavity (1-5) on the right side and the vertical arc plate (1-6) enclose to form the air duct (1-7) with the opening facing the front. The rear end of the lower side of the circuit board (3) is correspondingly abutted against the upper edge of the vertical arc plate (1-6). The ventilation hole (3-4) is located above the internal cavity of the vertical arc plate (1-6). The circuit board (3) is equipped with a switch control module (3-1) and a function selection control module (3-2). The bottom shell (1) is equipped with a power switch button (A) and a function selection button (B). The power switch button (A) is connected to the switch control module (3-1), and the function selection button (B) is connected to the function selection control module (3-2). The bottom shell (1) is also equipped with a charging plug (9) for charging the rechargeable battery (10).

4. The compact sterilization device suitable for installation inside a cabinet as described in claim 3, characterized in that, The inner wall of the rear side wall of the bottom shell (1) is provided with a pair of vertical plates (1-11) for limiting the air outlet of the fan (11). The lower front end of the vertical plate (1-11) has a support step (1-11a) for supporting the rear edge of the circuit board (3).

5. The compact sterilization device suitable for installation inside a cabinet as described in claim 3, characterized in that, The insect repellent element (5) is an ultrasonic generator. The upper side of the circuit board (3) is also equipped with a driver (4) and a buzzer (7). The insect repellent element (5), the sterilization element, the buzzer (7) and the fan (11) are all electrically connected to the driver (4). The lower side of the circuit board (3) is equipped with an insect repellent element voltage regulator (6) corresponding to the insect repellent element (5). The sterilization element includes one of an ozone ion generator and a plasma generator that are plugged into and installed on the support frame (8).

6. The compact sterilization device suitable for installation inside a cabinet as described in claim 5, characterized in that, The support frame (8) is also equipped with a negative ion generator that is electrically connected to the driver (4).

7. The compact sterilization device for installation and use inside a cabinet as described in claim 6, characterized in that, The air inlet (1-1) is located at the lower end of the front side wall of the bottom shell (1), and the air outlet (1-2) is located at the upper end of the rear side wall of the bottom shell (1). The upper end of the front side wall of the bottom shell (1) is provided with two through holes (1-3) and a charging socket (1-4). The power switch button (A) and the function selection button (B) are respectively installed inside a corresponding through hole (1-3). The charging plug (9) is installed inside the charging socket (1-4). A light sensor (12) electrically connected to the driver (4) is also installed on the side wall of the bottom shell (1).

8. The compact sterilization device suitable for installation inside a cabinet as described in any one of claims 1 to 7, characterized in that, The air inlet (1-1) and air outlet (1-2) are both grille structures or hollow structures.

9. The compact sterilization device for installation and use inside a cabinet as described in claim 8, characterized in that, The bottom shell (1) is fitted with a decorative ring (13) at the upper edge, and a magnetic metal plate (14) is fixedly provided on the lower side of the bottom of the bottom shell (1). The outer periphery of the upper side of the cover plate (2) is provided with an circumferential groove (2-2), and a decorative ring (15) is embedded and fixed inside the circumferential groove (2-2).

10. The compact sterilization device for installation and use inside a cabinet as described in claim 9, characterized in that, The decorative ring (13) is fastened to the upper edge of the bottom shell (1) by a snap fastener assembly, the magnetic metal plate (14) is glued and fixed in the groove on the lower side of the bottom of the bottom shell (1), and the cover plate (2) is fastened to the decorative ring (13) by a snap fastener assembly.

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