A contactless instrument cabinet and disinfection and sterilization method thereof

By designing contactless instrument cabinets and equipped with automatic disinfection and sterilization devices, the problem of lack of disinfection functions and cumbersome traditional disinfection methods in the existing technology has been solved, and efficient and automated disinfection effects have been achieved, reducing the risk of infection and saving Labor costs.

CN115634053BActive Publication Date: 2025-02-11THE SECOND CONSTR OF CHINA CONSTR EIGHTH ENG DIV
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Patent Information

Application Number
CN202211420192.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-11-15
Publication Date
2025-02-11
Estimated Expiration
2042-11-15

AI Technical Summary

Technical Problem

The existing operating room instrument cabinet lacks disinfection and sterilization functions, resulting in the risk of bacterial contamination and cross-infection. The traditional disinfection method is cumbersome to operate manually, and blind spots are prone to occur, resulting in incomplete disinfection.

Method used

A contactless instrument cabinet is designed, equipped with automatic disinfection and sterilization device, including a transmission device, a dry sterilization module and a disinfectant supply device, and contactless operation and automatic disinfection are achieved through infrared reflective gesture switches and CPU controllers.

Benefits of technology

The contactless operation of the instrument cabinet is achieved, the risk of infection is reduced, and the automated disinfection device greatly saves labor costs and ensures timely disinfection of the instrument cabinet every time it is used.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention relates to the technical field of instrument cabinets, and specifically to a contactless instrument cabinet and a disinfection and sterilization method thereof, comprising a cabinet body, wherein the cabinet body is mounted on a keel, a door opening device is arranged on the surface of the cabinet body, a disinfection and sterilization device is arranged inside the cabinet body, and the disinfection and sterilization device comprises a transmission device, a drying and sterilization module and a disinfectant supply device; a control system is arranged on the top surface of the cabinet body, the control system controls the connection of the disinfection and sterilization device, and the control system comprises a control system; the beneficial effects are as follows: the contactless instrument cabinet and the disinfection and sterilization method thereof proposed by the present invention completely adopt contactless operation by arranging a door opening device, thereby avoiding contact contamination of the instrument cabinet, controlling from the source, greatly reducing the infection risk of surgery, arranging an automatic disinfection and sterilization device, greatly saving the labor cost of disinfection and sterilization, facilitating the operation and maintenance management of the hospital, and realizing timely disinfection of the instrument cabinet each time it is used.
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Description

Technical Field

[0001] The present invention relates to the technical field of instrument cabinets, and in particular to a contactless instrument cabinet and a disinfection and sterilization method thereof. Background Art

[0002] Medical devices refer to instruments, equipment, appliances, in vitro diagnostic reagents and calibrators, materials and other similar or related items that are used directly or indirectly on the human body. The embedded instrument cabinets in the operating room generally store sterile items and instruments. According to the operation and maintenance requirements of the clean operating room, the interior of the instrument cabinet needs to be cleaned and disinfected regularly.

[0003] In the prior art, traditional instrument cabinets are generally manually opened and closed, and staff directly touch the instrument cabinet to store and retrieve items. In actual operation, surgical hand disinfection is not standardized, and it is easy to cause exogenous infection through instrument operation, causing medical accidents; the existing operating room instrument cabinets do not have disinfection and sterilization functions, and some hospitals have a weak awareness of disinfection. Due to cost factors, they mostly use traditional disinfection methods, that is, manual surface disinfection. This disinfection method has a large workload and is prone to dead corners, resulting in incomplete disinfection.

[0004] However, the existing equipment or methods for disinfection and sterilization of spaces and surfaces cannot solve the problem of human-machine coexistence. The long-term opening and closing of instrument cabinets causes bacterial contamination. In addition, if disinfection and sterilization are not timely, there is a risk of cross infection. Summary of the invention

[0005] The object of the present invention is to provide a contactless instrument cabinet and a disinfection and sterilization method thereof to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solution: a contactless instrument cabinet, comprising a cabinet body, the cabinet body is installed on a keel, a door opening device is provided on the surface of the cabinet body, a disinfection and sterilization device is installed inside the cabinet body, and the disinfection and sterilization device includes a transmission device, a drying and sterilization module and a disinfectant supply device;

[0007] The control system is arranged on the top surface of the cabinet, the control system controls the connection disinfection and sterilization device, and the control system includes the control system.

[0008] Preferably, the cabinet body comprises an outer shell, a partition plate and cabinet doors, two sets of cabinet doors are symmetrically hinged at the door opening of the outer shell, a door opening device is installed between the outer shell and the cabinet doors, and the partition plate is installed on the inner wall of the outer shell.

[0009] Preferably, the door opening device includes a servo motor, a push rod and a guide rail, the servo motor is installed on the surface of the keel, the push rod is fixed on the rotating shaft of the servo motor, and a convex sliding block is provided at one end of the push rod, the convex sliding block is slidably connected in the convex sliding groove, the convex sliding groove is opened on the surface of the guide rail, and the guide rail is installed on the surface of the cabinet door.

[0010] Preferably, the transmission device includes a linear guide, a slider, a fixture, a gear, a motor fixing frame, a stepper motor and a rubber belt. The linear guide includes two groups, and the two groups of linear guides are arranged horizontally and vertically respectively. The linear guide is installed on the surface of the outer shell, the slider is slidably connected to the surface of the linear guide, the fixture is installed on the inner wall of the outer shell, and the bottom end of the longitudinally distributed linear guide is fixed to the surface of the fixture. The fixture is an "L"-shaped plate structure.

[0011] Preferably, the motor fixing bracket is installed on the top surface of the shell, the stepper motor is fixed on the side plate of the motor fixing bracket, and gears are installed on the driving shaft of the stepper motor, the side plate of the motor fixing bracket, the surface of the slider and the surface of the fixer, and multiple sets of gears are traditionally connected by rubber belts.

[0012] Preferably, the drying and sterilization module includes a bracket, a rotating motor, a belt pulley, a PTC heater, a fan, a disinfection sterilizer, a servo, a UVC deep ultraviolet LED lamp and an ultrasonic atomizing nozzle. The bracket is slidably connected to a transverse linear guide rail, a rotating motor is installed on the surface of the bracket, the belt pulley is rotatably connected to the surface of the bracket, the PTC heater is fixed above the bracket, a fan is installed on the surface of the PTC heater, the disinfection sterilizer is fixed above the fan, a servo is installed at the bottom of the disinfection sterilizer, and a UVC deep ultraviolet LED lamp and an ultrasonic atomizing nozzle are arranged on the surface of the disinfection sterilizer.

[0013] Preferably, the disinfectant supply device comprises a storage tank and a liquid supply pipeline, the storage tank is mounted on the bottom surface of the top plate of the shell, and the liquid supply pipeline connects the ultrasonic atomizing nozzle and the storage tank.

[0014] Preferably, the control system includes a CPU controller, an infrared reflection gesture switch, a hydrogen peroxide concentration sensor and a DC power supply module, the CPU controller is installed on the top surface of the shell, the infrared reflection gesture switch is fixed on the surface of the cabinet door, the hydrogen peroxide concentration sensor is installed on the bottom surface of the top plate of the shell, and the DC power supply module is installed on the top surface of the shell, and the DC power supply module supplies power to the CPU controller, the infrared reflection gesture switch and the hydrogen peroxide concentration sensor.

[0015] Preferably, the inner ring of the gear is rotatably connected to a rotating handle, one end of the rotating handle is provided with a limited rotating handle, the outer side of the limited rotating handle is provided with a limiting sleeve, the surface of the limiting sleeve is provided with a reserved hole, the rack surface of the gear is provided with a storage groove and a through-hole, the storage groove and the through-hole are connected, an extended rack is movably inserted inside the through-hole, both ends of the extended rack are provided with connecting pieces, the connecting piece is a "convex" shaped plate structure, the surface of the connecting piece is provided with a locking screw, which penetrates the connecting piece and is screwed into the positioning groove opened on the rack surface.

[0016] A method for disinfecting and sterilizing a contactless instrument cabinet, the method comprising the following steps:

[0017] Install the instrument cabinet in place and connect the DC power module;

[0018] To perform the initial thorough disinfection and sterilization operation, suspend your palm over the cabinet door prompt position and wave it to the right;

[0019] The infrared reflective gesture switch detects the right swipe instruction and feeds back the signal to the CPU controller;

[0020] After receiving the signal, the CPU controller performs logical operations and sends a door opening signal to the door opening device;

[0021] The door opening device receives the signal, the servo motor rotates, the push rod rotates, and one side of the push rod slides in the guide rail to open the instrument cabinet door;

[0022] The operator takes out the hydrogen peroxide storage tank and fills it with hydrogen peroxide solution;

[0023] Wave your palm to the left, the infrared reflective gesture switch receives the signal and controls the door opening device to close the door;

[0024] After the instrument cabinet door is closed, wave your palm downward to start the disinfection and sterilization mode.

[0025] The drying and sterilization module receives the signal from the CPU controller, the disinfection and sterilization device rotates with the steering gear, and the ultrasonic atomization nozzle faces the inside of the instrument cabinet;

[0026] The ultrasonic atomizing nozzle is turned on to spray atomized hydrogen peroxide, and the UVC deep ultraviolet LED disinfection lamp is turned on;

[0027] The transmission device starts, the stepper motor rotates, and the rubber belt drives the slider to slide up and down and left and right, performing a thirty-minute cycle of disinfection and sterilization on all locations in the instrument cabinet;

[0028] After the sterilization cycle is completed, turn on the PTC heater and fan to heat and dry the inside of the instrument cabinet and accelerate the decomposition of the hydrogen peroxide disinfectant;

[0029] The hydrogen peroxide concentration sensor receives the hydrogen peroxide concentration signal. When it is lower than the limit value, it feeds back the signal to the CPU controller. The CPU controller issues an instruction, the PTC heater and the fan are turned off, the transmission device is reset, and the disinfection and sterilization are completed.

[0030] Compared with the prior art, the present invention has the following beneficial effects:

[0031] The contactless instrument cabinet and the disinfection and sterilization method thereof proposed in the present invention adopt completely contactless operation by setting a door opening device, thereby avoiding contact contamination of the instrument cabinet, controlling the infection risk from the source, and greatly reducing the infection risk of surgery. The automatic disinfection and sterilization device is set, which greatly saves the manpower cost of disinfection and sterilization, facilitates the operation and maintenance management of the hospital, and realizes timely disinfection of the instrument cabinet each time it is used. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0033] Figure 2 It is a schematic diagram of the cabinet structure of the present invention;

[0034] Figure 3 It is a schematic diagram of the structure of the door opening device of the present invention;

[0035] Figure 4 The transmission device structure of the present invention is schematically shown in FIG. Figure 1 ;

[0036] Figure 5 The transmission device structure of the present invention is schematically shown in FIG. Figure 2 ;

[0037] Figure 6 The transmission device structure of the present invention is schematically shown in FIG. Figure 3 ;

[0038] Figure 7 It is a schematic diagram of the structure of the drying and sterilizing module of the present invention;

[0039] Figure 8 It is a schematic structural diagram of the disinfectant supply device of the present invention;

[0040] Fig. 9 A schematic diagram of a gas sensor of the present invention;

[0041] Fig.10 It is a schematic diagram of a control system of the present invention;

[0042] Fig.11 It is a schematic diagram of the gear structure of the present invention;

[0043] Fig.12 This is a schematic diagram of the structure of the gear after being cut open;

[0044] Fig.13 This is a schematic diagram of the connection structure between the gear and the limiting sleeve of the present invention;

[0045] Fig.14 for Fig.13 A schematic diagram of the enlarged structure in the middle.

[0046] In the figure: 1. cabinet; 2. door opening device; 3. disinfection and sterilization device; 4. control system; 5. shell; 6. partition plate; 7. cabinet door; 8. servo motor; 9. push rod; 10. guide rail; 12. transmission device; 121. linear guide rail; 122. slider; 123. fixture; 124. gear; 125. motor fixing bracket; 126. stepper motor; 127. rubber belt; 13. drying and sterilization module; 131. bracket; 132. rotating motor; 133. belt pulley; 134. PTC heater; 135. fan; 136. disinfection and sterilization Bacteria collector; 137, servo; 138, UVC deep ultraviolet LED lamp; 139, ultrasonic atomizing nozzle; 14, disinfectant supply device; 141, storage tank; 142, liquid supply pipeline; 15, control system; 151, CPU controller; 152, infrared reflection gesture switch; 153, hydrogen peroxide concentration sensor; 154, DC power supply module; 16, keel; 17, rotating handle; 18, limit rotating handle; 19, limit sleeve; 20, storage slot; 21, through-hole; 22, extension rack; 23, connecting piece; 24, positioning slot; 25, locking screw. DETAILED DESCRIPTION

[0047] In order to make the purpose and technical solution of the present invention clearly and completely described, and the advantages more clearly understood, the embodiments of the present invention are further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the embodiments of the present invention, and are not used to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0048] In the description of the present invention, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0049] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0050] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by reference to examples. In the following description, many specific details are proposed to provide a thorough understanding of the embodiments. However, it is obvious that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, known methods and structures are not described in detail to avoid making these embodiments unnecessarily difficult to understand. In addition, all embodiments can be used in combination with each other.

[0051] Embodiment 1

[0052] See also Figure 1 to Figure 2 The present invention provides a technical solution: a contactless instrument cabinet, comprising a cabinet body 1, which is installed on a keel 16, and a door opening device 2 is arranged on the surface of the cabinet body 1, and a disinfection and sterilization device 3 is installed inside the cabinet body 1, and the disinfection and sterilization device 3 includes a transmission device 12, a drying and sterilization module 13 and a disinfectant supply device 14; a control system 4 is arranged on the top surface of the cabinet body 1, and the control system 4 controls the connection of the disinfection and sterilization device 3, and the control system 4 includes a control system 15; by setting the door opening device, a completely contactless operation is adopted, contact contamination of the instrument cabinet is avoided, and control is carried out from the source, which greatly reduces the infection risk of the operation, and an automatic disinfection and sterilization device is arranged, which greatly saves the labor cost of disinfection and sterilization, facilitates the operation and maintenance management of the hospital, and realizes timely disinfection of the instrument cabinet each time it is used.

[0053] Embodiment 2

[0054] See attached Figure 3 On the basis of embodiment 1, in order to realize the opening and closing of the cabinet door 7, the cabinet body 1 includes an outer shell 5, a partition plate 6 and a cabinet door 7. Two groups of cabinet doors 7 are symmetrically hinged at the door of the outer shell 5. The door opening device 2 is installed between the outer shell 5 and the cabinet door 7, and the partition plate 6 is installed on the inner wall of the outer shell 5. The door opening device 2 includes a servo motor 8, a push rod 9 and a guide rail 10. The servo motor 8 is installed on the surface of the keel 16, the push rod 9 is fixed on the rotating shaft of the servo motor 8, and a convex slider is provided at one end of the push rod 9. The convex slider is slidably connected in the convex slide groove, the convex slide groove is opened on the surface of the guide rail 10, and the guide rail 10 is installed on the surface of the cabinet door 7.

[0055] Embodiment 3

[0056] Refer to the attached Figures 4 to 6 On the basis of the second embodiment, in order to realize the lifting and lowering adjustment of the disinfection mechanism, the transmission device 12 includes a linear guide 121, a slider 122, a fixture 123, a gear 124, a motor fixing frame 125, a stepping motor 126 and a rubber belt 127. The linear guide 121 includes two groups, and the two groups of linear guides 121 are arranged horizontally and vertically respectively. The linear guide 121 is installed on the surface of the housing 5, the slider 122 is slidably connected to the surface of the linear guide 121, and the fixture 123 is installed on the outer The inner wall of the shell 5, the bottom end of the longitudinally distributed linear guide 121 is fixed on the surface of the fixture 123, the fixture 123 is an "L"-shaped plate structure, the motor fixing frame 125 is installed on the top surface of the shell 5, the stepper motor 126 is fixed on the side plate of the motor fixing frame 125, the drive shaft of the stepper motor 126, the side plate of the motor fixing frame 125, the surface of the slider 122 and the surface of the fixture 123 are all equipped with gears 124, and multiple sets of gears 124 are traditionally connected by rubber belts 127.

[0057] Embodiment 4

[0058] Refer to the attached Figures 7 to 10 On the basis of the third embodiment, in order to realize the spraying of the disinfection liquid, the drying and sterilization module 13 includes a bracket 131, a rotating motor 132, a belt pulley 133, a PTC heater 134, a fan 135, a disinfection and sterilization device 136, a steering gear 137, a UVC deep ultraviolet LED lamp 138 and an ultrasonic atomizing nozzle 139. The bracket 131 is slidably connected to the transverse linear guide 121, and the surface of the bracket 131 is provided with a rotating motor 132, and the belt pulley 133 is rotatably connected to the surface of the bracket 131. The PTC heater 134 is fixed above the bracket 131, and the surface of the PTC heater 134 is provided with a fan 135. The disinfection and sterilization device 136 is fixed above the fan 135, and the bottom of the disinfection and sterilization device 136 is provided with a steering gear 137, and the surface of the disinfection and sterilization device 136 is provided with a UVC deep ultraviolet LED lamp 138. The control system 15 includes a CPU controller 151, an infrared reflection gesture switch 152, a hydrogen peroxide concentration sensor 153 and a DC power supply module 154. The CPU controller 151 is installed on the top surface of the shell 5, the infrared reflection gesture switch 152 is fixed on the surface of the cabinet door 7, the hydrogen peroxide concentration sensor 153 is installed on the bottom surface of the top plate of the shell 5, and a DC power supply module 154 is installed on the top surface of the shell 5. The DC power supply module 154 supplies power to the CPU controller 151, the infrared reflection gesture switch 152 and the hydrogen peroxide concentration sensor 153.

[0059] Embodiment 5

[0060] Reference Figures 11 to 14 On the basis of the fourth embodiment, in order to realize the elastic expansion support after the rubber belt 127 is loosened, the inner ring of the gear 124 is rotatably connected with a rotating handle 17, and a limited rotating handle 18 is arranged at one end of the rotating handle 17, and the limited rotating handle 18 is in the shape of an "I"-shaped cylindrical structure. A limited sleeve 19 is sleeved on the outer side of the limited rotating handle 18, and a reserved hole is provided on the surface of the limited sleeve 19. A storage groove 20 and a through-hole 21 are provided on the rack surface of the gear 124, and the storage groove 20 and the through-hole 21 are connected. An extended rack 22 is movably inserted inside the through-hole 21, and connecting pieces 23 are provided at both ends of the extended rack 22. The connecting piece 23 is in the shape of a "convex"-shaped plate structure, and a locking screw 25 is provided on the surface of the connecting piece 23. After penetrating the connecting piece 23, it is screwed into the positioning groove 24 provided on the rack surface. The extended rack 22 is pulled out of the through-hole 21 and fixed, and the rotation track diameter of the gear 124 becomes larger.

[0061] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A contactless instrument cabinet, comprising a cabinet body (1), the cabinet body (1) being mounted on a keel (16), a door opening device (2) being arranged on the surface of the cabinet body (1), and characterized in that: A disinfection and sterilization device (3) is installed inside the cabinet (1), and the disinfection and sterilization device (3) comprises a transmission device (12), a drying and sterilization module (13), and a disinfectant supply device (14); A control system (4) is disposed on the top surface of the cabinet (1), the control system (4) controls the connection to the disinfection and sterilization device (3), and the control system (4) includes a control system (15); The cabinet body (1) comprises an outer shell (5), a partition plate (6) and a cabinet door (7); two sets of cabinet doors (7) are symmetrically hinged at the door opening of the outer shell (5); the door opening device (2) is installed between the outer shell (5) and the cabinet door (7); and the partition plate (6) is installed on the inner wall of the outer shell (5); The door opening device (2) comprises a servo motor (8), a push rod (9) and a guide rail (10), wherein the servo motor (8) is mounted on the surface of the keel (16), the push rod (9) is fixed on the rotating shaft of the servo motor (8), and a convex slider is provided at one end of the push rod (9), the convex slider is slidably connected in a convex slide groove, the convex slide groove is provided on the surface of the guide rail (10), and the guide rail (10) is mounted on the surface of the cabinet door (7); The transmission device (12) comprises a linear guide rail (121), a slider (122), a holder (123), a gear (124), a motor holder (125), a stepper motor (126) and a rubber belt (127); the linear guide rail (121) comprises two groups, the two groups of linear guide rails (121) are arranged in a transverse direction and a longitudinal direction respectively, the linear guide rail (121) is mounted on the surface of the housing (5), the slider (122) is slidably connected to the surface of the linear guide rail (121), the holder (123) is mounted on the inner wall of the housing (5), the bottom end of the longitudinally distributed linear guide rail (121) is fixed to the surface of the holder (123), and the holder (123) is an "L"-shaped plate structure; The motor fixing frame (125) is mounted on the top surface of the housing (5), the stepping motor (126) is fixed on the side plate of the motor fixing frame (125), the driving shaft of the stepping motor (126), the side plate of the motor fixing frame (125), the surface of the slider (122) and the surface of the holder (123) are all equipped with gears (124), and the plurality of sets of gears (124) are conventionally connected via rubber belts (127); The drying and sterilizing module (13) comprises a bracket (131), a rotating motor (132), a belt pulley (133), a PTC heater (134), a fan (135), a disinfection and sterilization device (136), a steering gear (137), a UVC deep ultraviolet LED lamp (138) and an ultrasonic atomizing nozzle (139). The bracket (131) is slidably connected to a transverse linear guide rail (121). The rotating motor (132) and the belt pulley are installed on the surface of the bracket (131). (133) is rotatably connected to the surface of the bracket (131), the PTC heater (134) is fixed above the bracket (131), a fan (135) is installed on the surface of the PTC heater (134), a disinfection and sterilization device (136) is fixed above the fan (135), a steering gear (137) is installed at the bottom of the disinfection and sterilization device (136), and a UVC deep ultraviolet LED lamp (138) and an ultrasonic atomizing nozzle (139) are arranged on the surface of the disinfection and sterilization device (136); The disinfectant supply device (14) comprises a storage tank (141) and a liquid supply pipeline (142); the storage tank (141) is mounted on the bottom surface of the top plate of the housing (5); and the liquid supply pipeline (142) is connected to the ultrasonic atomizing nozzle (139) and the storage tank (141); The control system (15) comprises a CPU controller (151), an infrared reflection gesture switch (152), a hydrogen peroxide concentration sensor (153) and a DC power supply module (154); the CPU controller (151) is mounted on the top surface of the housing (5); the infrared reflection gesture switch (152) is fixed on the surface of the cabinet door (7); the hydrogen peroxide concentration sensor (153) is mounted on the bottom surface of the top plate of the housing (5); and the DC power supply module (154) is mounted on the top surface of the housing (5); the DC power supply module (154) supplies power to the CPU controller (151), the infrared reflection gesture switch (152) and the hydrogen peroxide concentration sensor (153).

2. A contactless instrument cabinet according to claim 1, characterized in that: The inner ring opening of the gear (124) is rotatably connected to a rotating handle (17), one end of the rotating handle (17) is provided with a limited rotating handle (18), the outer side of the limited rotating handle (18) is sleeved with a limited sleeve (19), the surface of the limited sleeve (19) is provided with a reserved hole, the surface of the rack of the gear (124) is provided with a receiving groove (20) and a through hole (21), the receiving groove (20) and the through hole (21) are connected, the inside of the through hole (21) is movably connected with an extended rack (22), both ends of the extended rack (22) are provided with connecting pieces (23), the connecting piece (23) is a "convex"-shaped plate-like structure, the surface of the connecting piece (23) is provided with a locking screw (25), which penetrates the connecting piece (23) and is screwed into the positioning groove (24) provided on the surface of the rack.

3. A method for disinfecting and sterilizing a contactless instrument cabinet as described in any one of claims 1 to 2, characterized in that: The method comprises the following steps: Install the instrument cabinet in place and connect the DC power module; To perform the initial thorough disinfection and sterilization operation, suspend your palm over the cabinet door prompt position and wave it to the right; The infrared reflective gesture switch detects the right swipe instruction and feeds back the signal to the CPU controller; After receiving the signal, the CPU controller performs logical operations and sends a door opening signal to the door opening device; The door opening device receives the signal, the servo motor rotates, the push rod rotates, and one side of the push rod slides in the guide rail to open the instrument cabinet door; The operator takes out the hydrogen peroxide storage tank and fills it with hydrogen peroxide solution; Wave your palm to the left, the infrared reflective gesture switch receives the signal and controls the door opening device to close the door; After the instrument cabinet door is closed, wave your palm downward to start the disinfection and sterilization mode; The drying and sterilization module receives the signal from the CPU controller, the disinfection and sterilization device rotates with the steering gear, and the ultrasonic atomization nozzle faces the inside of the instrument cabinet; The ultrasonic atomizing nozzle is turned on to spray atomized hydrogen peroxide, and the UVC deep ultraviolet LED disinfection lamp is turned on; The transmission device starts, the stepper motor rotates, and the rubber belt drives the slider to slide up and down and left and right, performing a thirty-minute cycle of disinfection and sterilization on all locations in the instrument cabinet; After the sterilization cycle is completed, turn on the PTC heater and fan to heat and dry the inside of the instrument cabinet and accelerate the decomposition of the hydrogen peroxide disinfectant; The hydrogen peroxide concentration sensor receives the hydrogen peroxide concentration signal. When it is lower than the limit value, it feeds back the signal to the CPU controller. The CPU controller issues an instruction, the PTC heater and the fan are turned off, the transmission device is reset, and the disinfection and sterilization are completed.

Citation Information

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