CN220735850U - Controller of disinfection cabinet - Google Patents
Controller of disinfection cabinet Download PDFInfo
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- CN220735850U CN220735850U CN202322120361.7U CN202322120361U CN220735850U CN 220735850 U CN220735850 U CN 220735850U CN 202322120361 U CN202322120361 U CN 202322120361U CN 220735850 U CN220735850 U CN 220735850U
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- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 88
- 238000001514 detection method Methods 0.000 claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 238000001914 filtration Methods 0.000 claims abstract description 7
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 7
- 239000003990 capacitor Substances 0.000 claims description 24
- 238000010438 heat treatment Methods 0.000 claims description 10
- 239000003381 stabilizer Substances 0.000 claims description 7
- 230000001954 sterilising effect Effects 0.000 description 18
- 238000010586 diagram Methods 0.000 description 3
- 102100039435 C-X-C motif chemokine 17 Human genes 0.000 description 2
- 101000889048 Homo sapiens C-X-C motif chemokine 17 Proteins 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
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- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The utility model discloses a disinfection cabinet controller, which relates to the technical field of disinfection cabinets and comprises a power supply control module, a control module and a control module, wherein the power supply control module is used for providing alternating current electric energy and controlling the transmission of the electric energy; the electric energy processing module is used for rectifying, filtering and stabilizing voltage; the intelligent control module is used for signal receiving and module control; the temperature detection module is used for detecting the temperature and stopping the operation of the second input module when the temperature exceeds the temperature; the first input module and the second input module respectively control the work of the high-temperature disinfection module and the ultraviolet disinfection module; and the protection control module is used for preventing the high-temperature disinfection module and the ultraviolet disinfection module from working simultaneously. The controller of the disinfection cabinet is characterized in that the first input module and the second input module respectively control the high-temperature disinfection module and the ultraviolet disinfection module to work, the protection control module prevents the problem that the ultraviolet disinfection work is invalid due to the simultaneous work of the high-temperature disinfection module and the ultraviolet disinfection module, and the temperature detection module prevents the ultraviolet disinfection module from being in a high-temperature working state.
Description
Technical Field
The utility model relates to the technical field of disinfection cabinets, in particular to a disinfection cabinet controller.
Background
The sterilizing cabinet is a tool for drying, sterilizing, disinfecting, preserving heat and dehumidifying articles such as tableware, towels, clothes, hairdressing appliances, medical instruments and the like in ultraviolet rays, far infrared rays, high temperature, ozone and the like, is widely used at present, and most of the existing sterilizing cabinets are provided with two sterilizing modes of ultraviolet rays and high temperature, different sterilizing functions are realized in an upper layer and a lower layer mode, wherein the ultraviolet rays can be used for effectively sterilizing under a low-temperature environment, and the existing sterilizing cabinet is fully controlled by a microcontroller, so that if a system is wrong, the sterilizing is failed, and then unnecessary energy loss is caused, and the sterilizing cabinet needs to be improved.
Disclosure of Invention
The embodiment of the utility model provides a controller of a disinfection cabinet, which aims to solve the problems in the background technology.
According to an embodiment of the present utility model, there is provided a sterilizer controller including: the device comprises a power supply control module, an electric energy processing module, an intelligent control module, a temperature detection module, a first input module, a second input module, a protection control module, a high-temperature disinfection module and an ultraviolet disinfection module;
the power supply control module is connected with the protection control module and is used for providing alternating current electric energy and controlling the transmission state of the electric energy by the protection control module;
the electric energy processing module is connected with the power supply control module and is used for rectifying, filtering and stabilizing the electric energy output by the power supply control module and outputting direct-current electric energy;
the intelligent control module is connected with the first input module, the second input module and the temperature detection module, and is used for outputting a first control signal and a second control signal, respectively controlling the operation of the first input module and the second input module and receiving the signal output by the temperature detection module;
the temperature detection module is connected with the second input module and is used for detecting the temperature of the disinfection cabinet, judging the detected temperature and the set high-temperature threshold value, outputting a third control signal when the detected temperature is greater than the set high-temperature threshold value and controlling the working state of the second input module through the third control signal;
the first input module is connected with the power supply control module and the high-temperature disinfection module and is used for receiving the first control signal through a first input circuit and transmitting electric energy output by the power supply control module to the high-temperature disinfection module;
the second input module is connected with the electric energy processing module and the ultraviolet disinfection module and is used for receiving the second control signal through a second input circuit and transmitting the electric energy rectified by the electric energy processing module to the ultraviolet disinfection module;
the protection control module is connected with the first input module and the second input module, and is used for isolating and detecting the electric energy state transmitted by the first input module and the second input module, outputting a fourth control signal when the first input module and the second input module perform electric energy transmission work, and controlling the power supply control module to stop electric energy supply through the fourth control signal;
the high-temperature disinfection module is used for carrying out high-temperature disinfection work through the high-temperature heating device;
the ultraviolet disinfection module. Is used for carrying out ultraviolet disinfection work through an ultraviolet disinfection lamp.
Compared with the prior art, the utility model has the beneficial effects that: the controller of the disinfection cabinet of the utility model controls the high-temperature disinfection module and the ultraviolet disinfection module to carry out high-temperature disinfection and ultraviolet disinfection by the first input module and the second input module respectively, and simultaneously detects the working states of the first input module and the second input module by the protection control module, thereby preventing the problem of working failure of the ultraviolet disinfection module caused by the simultaneous working of the high-temperature disinfection module and the ultraviolet disinfection module, avoiding the ultraviolet disinfection module from being in the high-temperature working state by the temperature detection module, being beneficial to ensuring independent working of high-temperature disinfection and ultraviolet disinfection in the disinfection cabinet and improving the work division working efficiency of the disinfection cabinet.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments of the present utility model will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic block diagram of a controller for a disinfection cabinet according to an embodiment of the present utility model.
Fig. 2 is a circuit diagram of a sterilizer controller according to an example of the present utility model.
Fig. 3 is a circuit diagram of connection between a protection control module and a power supply control module according to an embodiment of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In one embodiment, referring to fig. 1, a sterilizer controller comprises: the device comprises a power supply control module 1, an electric energy processing module 2, an intelligent control module 3, a temperature detection module 4, a first input module 5, a second input module 6, a protection control module 7, a high-temperature sterilization module 8 and an ultraviolet sterilization module 9;
specifically, the power supply control module 1 is connected with the protection control module 7, and is used for providing alternating current electric energy and controlling the transmission state of the electric energy by the protection control module 7;
the electric energy processing module 2 is connected with the power supply control module 1 and is used for rectifying, filtering and stabilizing the electric energy output by the power supply control module 1 and outputting direct-current electric energy;
the intelligent control module 3 is connected with the first input module 5, the second input module 6 and the temperature detection module 4, and is used for outputting a first control signal and a second control signal and respectively controlling the operation of the first input module 5 and the second input module 6, and is used for receiving the signal output by the temperature detection module 4;
the temperature detection module 4 is connected with the second input module 6, and is used for detecting the temperature of the disinfection cabinet, judging the detected temperature and the set high-temperature threshold value, outputting a third control signal when the detected temperature is greater than the set high-temperature threshold value, and controlling the working state of the second input module 6 through the third control signal;
the first input module 5 is connected with the power supply control module 1 and the high-temperature disinfection module 8 and is used for receiving the first control signal through a first input circuit and transmitting electric energy output by the power supply control module 1 to the high-temperature disinfection module 8;
the second input module 6 is connected with the electric energy processing module 2 and the ultraviolet disinfection module 9 and is used for receiving the second control signal through a second input circuit and transmitting the electric energy rectified by the electric energy processing module 2 to the ultraviolet disinfection module 9;
the protection control module 7 is connected with the first input module 5 and the second input module 6, and is used for isolating and detecting the electric energy states transmitted by the first input module 5 and the second input module 6 and outputting a fourth control signal when the first input module 5 and the second input module 6 perform electric energy transmission work, and controlling the power supply control module 1 to stop supplying electric energy through the fourth control signal;
a high-temperature sterilization module 8 for performing a high-temperature sterilization operation by a high-temperature heating device;
an ultraviolet disinfection module 9. Is used for carrying out ultraviolet disinfection work through an ultraviolet disinfection lamp.
In a specific embodiment, the power supply control module 1 may adopt a power supply circuit and an electric energy transmission circuit, and the power supply electric energy provides electric energy, and then the electric energy transmission circuit performs transmission control of the electric energy; the electric energy processing module 2 can adopt a rectifying and filtering circuit and a voltage stabilizing circuit to carry out rectifying, filtering and voltage stabilizing treatment on the input electric energy; the intelligent control module 3 can adopt a micro control circuit to control the work of the first input control module and the second input control module and receive the signal output by the temperature detection module 4; the temperature detection module 4 can adopt a temperature detection circuit and a high temperature detection circuit, wherein the temperature detection circuit is used for detecting the temperature and the high temperature detection circuit is used for judging the high temperature; the first input module 5 may be a first input circuit formed by a relay switch circuit, for controlling the transmission of electric energy; the second input module 6 can adopt a second input circuit formed by relay switch circuits and is used for controlling the transmission work of electric energy; the protection control module 7 adopts an isolation detection circuit and a logic control circuit, the isolation detection circuit respectively detects the power supply states of the first input module 5 and the second input module 6, and the logic control circuit performs AND logic calculation; the high-temperature disinfection module 8 can adopt a high-temperature heating device to carry out high-temperature disinfection; the ultraviolet sterilization module 9 may be an ultraviolet sterilization circuit including an ultraviolet sterilization lamp or the like.
In another embodiment, referring to fig. 1, 2 and 3, the power supply control module 1 includes a power supply, a first relay switch K1-1, and a first transformer B1; the first input module 5 comprises a second relay switch K2-1; the high-temperature disinfection module 8 comprises a high-temperature heating device;
specifically, the first end and the second end of the power supply source are respectively the first end of the first relay switch K1-1 and the second end of the primary side of the first transformer B1, the first end of the primary side of the first transformer B1 is connected with the second end of the first relay switch K1-1, the first end of the first secondary side of the first transformer B1 is connected with the first end of the second relay switch K2-1, the second end of the second relay switch K2-1 is connected with the first end of the high-temperature heating device, the second end of the first secondary side of the first transformer B1 is connected with the second end of the high-temperature heating device, and the first end and the second end of the second secondary side of the first transformer B1 are connected with the electric energy processing module 2.
In a specific embodiment, the first relay switch K1-1 can be a normally closed switch; the second relay switch K2-1 can be a normally open switch; the power supply supplies ac power, and details thereof will not be described.
Further, the power processing module 2 includes a first rectifier T1, a first voltage regulator IC1, a first capacitor C1, and a second capacitor C2; the second input module 6 comprises a third relay switch K3-1; the ultraviolet disinfection module 9 comprises a first diode D1, a first driver U2, an ultraviolet disinfection lamp and a third capacitor C3;
specifically, the first input end and the second input end of the first rectifier T1 are respectively connected to the first end and the second end of the second secondary side of the first transformer B1, the first output end of the first rectifier T1 is connected to the first end of the third relay switch K3-1, one end of the first capacitor C1 and the input end of the first voltage stabilizer IC1, the second output end of the first rectifier T1 is connected to the second input end of the first driver U2, the second end of the third relay switch K3-1 is connected to the anode of the first diode D1, the cathode of the first diode D1 is connected to the first input end of the first driver U2, the first output end and the second output end of the first driver U2 are respectively connected to the first end and the second end of the ultraviolet disinfection lamp, the third end of the ultraviolet disinfection lamp is connected to the fourth end of the ultraviolet disinfection lamp through the third capacitor C3, the ground end of the first voltage stabilizer IC1 is connected to the other end of the first capacitor C1, the second capacitor C2 is connected to the first end of the second capacitor C2, and the first end of the second capacitor IC 2 is connected to the first end of the first voltage stabilizer IC 1.
In a specific embodiment, the first voltage regulator IC1 may be a 78XX series voltage regulator; the first diode D1, the first driver U2, the ultraviolet sterilizing lamp, and the third capacitor C3 form an ultraviolet sterilizing circuit, where the first driver U2 may be a special driving chip for the ultraviolet lamp, which is not described herein.
Further, the temperature detection module 4 includes a first thermistor NTC, a second resistor R2, a first comparator A1, a high temperature threshold, a third resistor R3, a first switching tube VT1, and a fourth resistor R4; the intelligent control module 3 comprises a first controller U1;
specifically, the first end of the first thermistor NTC is connected to the second end of the second capacitor C2, the second end of the first thermistor NTC is connected to the in-phase end of the first comparator A1 and is connected to the emitter and the ground end of the first switching tube VT1 through the second resistor R2, the inverting end of the first comparator A1 is connected to the high temperature threshold, the output end of the first comparator A1 is connected to one end of the fourth resistor R4 and is connected to the base of the first switching tube VT1 through the third resistor R3, the collector of the first switching tube VT1 is connected to the second IO end of the first controller U1, and the other end of the fourth resistor R4 is connected to the third IO end of the first controller U1.
In a specific embodiment, the first thermistor NTC and the second resistor R2 form a temperature detection circuit; the first comparator A1 can be an LM393 comparator, and is matched with a high temperature threshold value, a third resistor R3, a first switching tube VT1 and a fourth resistor R4 to form a high temperature detection circuit, wherein the first switching tube VT1 can be an NPN triode; the first controller U1 may be, but is not limited to, an STM32 single-chip microcomputer.
Further, the first input module 5 further comprises a second relay K2 and a third switching tube VT3; the second input module 6 further comprises a third relay K3 and a second switching tube VT2;
specifically, the base of the third switch tube VT3 and the base of the second switch tube VT2 are respectively connected to the first IO end and the second IO end of the first controller U1, the collector of the third switch tube VT3 and the collector of the second switch tube VT2 are respectively connected to one end of the second relay K2 and one end of the third relay K3, the emitter of the third switch tube VT3 and the emitter of the second switch tube VT2 are both grounded, and the other end of the second relay K2 and the other end of the third relay K3 are both connected to the second end of the second capacitor C2.
In a specific embodiment, the third switching transistor VT3 may be an NPN transistor; the second relay K2 is used for controlling the second relay switch K2-1 to work; the third relay K3 is used for controlling the operation of the third relay switch K3-1; the second switching transistor VT2 may be an NPN transistor.
Further, the protection control module 7 includes a first optocoupler J1, a second optocoupler J2, a first power source VCC1, a fifth resistor R5, a sixth resistor R6, and a first logic chip J3; the power supply control module 1 further comprises a fourth switching tube VT4 and a first relay K1;
specifically, the first end of the first optocoupler J1 and the first end of the second optocoupler J2 are respectively connected to the second end of the second relay switch K2-1 and the second end of the third relay switch K3-1, the second end of the first optocoupler J1 and the second end of the second optocoupler J2 are both grounded, the third end of the first optocoupler J1 and the third end of the second optocoupler J2 are both connected to the first power VCC1, the fourth end of the first optocoupler J1 is connected to the second input end of the first logic chip J3 and grounded through the fifth resistor R5, the fourth end of the first optocoupler J1 is connected to the first input end of the first logic chip J3 and grounded through the sixth resistor R6, the output end of the first logic chip J3 is connected to the base of the fourth switching transistor VT4, and the emitter of the fourth switching transistor VT4 is grounded through the first relay K1.
In a specific embodiment, the first optocoupler J1 and the second optocoupler J2 may be PC817 optocouplers; the first logic chip J3 can be an AND logic chip; the fourth switching tube VT4 can be an NPN triode, and controls the work of the first relay K1, wherein the first relay K1 controls the work of the first relay switch K1-1.
According to the disinfection cabinet controller, electric energy transmitted by a first relay switch K1-1 is transmitted to a second relay switch K2-1 and a first rectifier T1 respectively, rectification filtering control is carried out by the first rectifier T1 and a first capacitor C1, voltage stabilizing treatment is carried out by a first voltage stabilizer IC1 and a second capacitor C2, at the moment, a first thermistor NTC carries out temperature detection, when the detected ambient temperature is higher than a high-temperature threshold value, a first comparator A1 continuously controls a first switch tube VT1 to be conducted, a second switch tube VT2 is kept in a grounded state, a third relay switch K3-1 is in an off state, and when the temperature is normal and the first controller U1 simultaneously controls the second switch tube VT2 and the third switch tube VT3 to be conducted, a first optical coupler J1 and a second optical coupler J2 are conducted, a first chip is enabled to be conducted, a first relay switch K3 is controlled to be conducted, and a first relay switch K3 is controlled to be turned off, and a first relay switch K1 is controlled to be turned off, and a disinfection cabinet is enabled to be turned off.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. A controller for a disinfection cabinet is characterized in that,
the sterilizer controller comprises: the device comprises a power supply control module, an electric energy processing module, an intelligent control module, a temperature detection module, a first input module, a second input module, a protection control module, a high-temperature disinfection module and an ultraviolet disinfection module;
the power supply control module is connected with the protection control module and is used for providing alternating current electric energy and controlling the transmission state of the electric energy by the protection control module;
the electric energy processing module is connected with the power supply control module and is used for rectifying, filtering and stabilizing the electric energy output by the power supply control module and outputting direct-current electric energy;
the intelligent control module is connected with the first input module, the second input module and the temperature detection module, and is used for outputting a first control signal and a second control signal, respectively controlling the operation of the first input module and the second input module and receiving the signal output by the temperature detection module;
the temperature detection module is connected with the second input module and is used for detecting the temperature of the disinfection cabinet, judging the detected temperature and the set high-temperature threshold value, outputting a third control signal when the detected temperature is greater than the set high-temperature threshold value and controlling the working state of the second input module through the third control signal;
the first input module is connected with the power supply control module and the high-temperature disinfection module and is used for receiving the first control signal through a first input circuit and transmitting electric energy output by the power supply control module to the high-temperature disinfection module;
the second input module is connected with the electric energy processing module and the ultraviolet disinfection module and is used for receiving the second control signal through a second input circuit and transmitting the electric energy rectified by the electric energy processing module to the ultraviolet disinfection module;
the protection control module is connected with the first input module and the second input module, and is used for isolating and detecting the electric energy state transmitted by the first input module and the second input module, outputting a fourth control signal when the first input module and the second input module perform electric energy transmission work, and controlling the power supply control module to stop electric energy supply through the fourth control signal;
the high-temperature disinfection module is used for carrying out high-temperature disinfection work through the high-temperature heating device;
the ultraviolet disinfection module is used for performing ultraviolet disinfection work through an ultraviolet disinfection lamp.
2. A sterilizer controller according to claim 1, wherein the power control module comprises a power supply, a first relay switch, a first transformer; the first input module comprises a second relay switch; the high-temperature disinfection module comprises a high-temperature heating device;
the first end and the second end of power supply are respectively the first end of first relay switch and the second end of the primary side of first transformer, the second end of first relay switch is connected to the first end of primary side of first transformer, the first end of second relay switch is connected to the first end of first secondary side of first transformer, the first end of high temperature heating device is connected to the second end of second relay switch, the second end of first secondary side of first transformer is connected to the second end of high temperature heating device, the first end and the second end of the second secondary side of first transformer are connected with electric energy processing module.
3. A sterilizer controller according to claim 2, wherein the power processing module comprises a first rectifier, a first voltage regulator, a first capacitor and a second capacitor; the second input module comprises a third relay switch; the ultraviolet disinfection module comprises a first diode, a first driver, an ultraviolet disinfection lamp and a third capacitor;
the first input end and the second input end of the first rectifier are respectively connected with the first end and the second end of the second secondary side of the first transformer, the first output end of the first rectifier is connected with the first end of the third relay switch, one end of the first capacitor and the input end of the first voltage stabilizer, the second output end of the first rectifier is connected with the second input end of the first driver, the second end of the third relay switch is connected with the anode of the first diode, the cathode of the first diode is connected with the first input end of the first driver, the first output end and the second output end of the first driver are respectively connected with the first end and the second end of the ultraviolet disinfection lamp, the third end of the ultraviolet disinfection lamp is connected with the fourth end of the ultraviolet disinfection lamp through the third capacitor, the grounding end of the first voltage stabilizer is connected with the other end of the first capacitor, the first end and the grounding end of the second capacitor, and the second end of the second capacitor is connected with the output end of the first voltage stabilizer.
4. A sterilizer controller according to claim 3, wherein the temperature detection module comprises a first thermistor, a second resistor, a first comparator, a high temperature threshold, a third resistor, a first switching tube and a fourth resistor; the intelligent control module comprises a first controller;
the first end of the first thermistor is connected with the second end of the second capacitor, the second end of the first thermistor is connected with the in-phase end of the first comparator and is connected with the emitter and the ground end of the first switching tube through the second resistor, the inverting end of the first comparator is connected with the high-temperature threshold value, the output end of the first comparator is connected with one end of the fourth resistor and is connected with the base electrode of the first switching tube through the third resistor, the collector electrode of the first switching tube is connected with the second IO end of the first controller, and the other end of the fourth resistor is connected with the third IO end of the first controller.
5. The sterilizer controller of claim 4, wherein the first input module further comprises a second relay, a third switch tube; the second input module further comprises a third relay and a second switching tube;
the base of the third switching tube and the base of the second switching tube are respectively connected with the first IO end and the second IO end of the first controller, the collector of the third switching tube and the collector of the second switching tube are respectively connected with one end of the second relay and one end of the third relay, the emitter of the third switching tube and the emitter of the second switching tube are grounded, and the other end of the second relay and the other end of the third relay are connected with the second end of the second capacitor.
6. The sterilizer controller of claim 5, wherein the protection control module includes a first optocoupler, a second optocoupler, a first power supply, a fifth resistor, a sixth resistor, and a first logic chip; the power supply control module further comprises a fourth switching tube and a first relay;
the first end of the first optocoupler and the first end of the second optocoupler are respectively connected with the second end of the second relay switch and the second end of the third relay switch, the second end of the first optocoupler and the second end of the second optocoupler are grounded, the third end of the first optocoupler and the third end of the second optocoupler are connected with a first power supply, the fourth end of the first optocoupler is connected with the second input end of the first logic chip and grounded through a fifth resistor, the fourth end of the first optocoupler is connected with the first input end of the first logic chip and grounded through a sixth resistor, the output end of the first logic chip is connected with the base electrode of the fourth switch tube, the emitter electrode of the fourth switch tube is grounded, and the collector electrode of the fourth switch tube is connected with the first power supply through the first relay.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202322120361.7U CN220735850U (en) | 2023-08-08 | 2023-08-08 | Controller of disinfection cabinet |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202322120361.7U CN220735850U (en) | 2023-08-08 | 2023-08-08 | Controller of disinfection cabinet |
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| CN220735850U true CN220735850U (en) | 2024-04-09 |
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