Ultraviolet disinfection device, control method, and storage medium

Abstract

The application discloses an ultraviolet disinfection device, a control method and a storage medium. The ultraviolet disinfection device comprises a control module, an ultraviolet lamp driving module, a plurality of ultraviolet lamps, a current sampling module and a light power detection module. The ultraviolet lamp driving module comprises a comparator and a plurality of MOS tubes. The output end of the control module is connected with the first input end of the comparator. The output end of the comparator is connected with the gate of the MOS tube. The drain of the MOS tube is used for connecting an alternating current power supply. The source of the MOS tube is connected with the positive pole of the ultraviolet lamp. The current sampling module comprises a first isolator and a plurality of sampling resistors corresponding to the ultraviolet lamps. The negative pole of the ultraviolet lamp is connected with one end of the sampling resistor. The other end of the sampling resistor is used for connecting the alternating current power supply. One end of the sampling resistor is connected with the input end of the first isolator. The output end of the first isolator is connected with the second input end of the comparator. The output end of the light power detection module is connected with the input end of the control module.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of disinfection devices, in particular to an ultraviolet disinfection device, a control method and a storage medium. BACKGROUND

[0002] The ultraviolet disinfection device kills microorganisms (bacteria, viruses, spores and other pathogens) by irradiating them with ultraviolet light and damaging their nucleic acid function, thereby achieving the purpose of disinfection. However, during use, the ultraviolet disinfection device may have a disinfection capacity decay or even a failure of the ultraviolet lamp, which reduces the disinfection effect and lacks electrical safety. SUMMARY

[0003] The present application aims to at least solve one of the technical problems in the prior art. To this end, the present application provides an ultraviolet disinfection device, a control method and a storage medium, which can solve the problems of reduced disinfection effect and insufficient electrical safety performance of traditional ultraviolet disinfection devices.

[0004] According to the ultraviolet disinfection device of the first aspect of the present application, it comprises:

[0005] a control module;

[0006] a plurality of ultraviolet lamps and an ultraviolet lamp driving module, the ultraviolet lamp driving module comprising a comparator and a plurality of MOS tubes corresponding one-to-one to the ultraviolet lamps, the output end of the control module being connected to the first input end of the comparator, the output end of the comparator being connected to the gate of the MOS tube, the drain of the MOS tube being used to connect an alternating current power supply, and the source of the MOS tube being connected to the positive electrode of the ultraviolet lamp;

[0007] a current sampling module, the current sampling module comprising a first isolator and a plurality of sampling resistors corresponding one-to-one to the ultraviolet lamps, one end of the sampling resistor being connected to the negative electrode of the ultraviolet lamp, the other end of the sampling resistor being used to connect the alternating current power supply, one end of the sampling resistor being connected to the input end of the first isolator, and the output end of the first isolator being connected to the second input end of the comparator;

[0008] a light power detection module, the output end of the light power detection module being connected to the input end of the control module; and the control module being used to execute the following ultraviolet disinfection device control method:

[0009] obtaining a light power calibration value;

[0010] obtaining real-time light powers of the plurality of ultraviolet lamps by a light power detection module, if the light power difference value is greater than the first attenuation threshold value and less than the second attenuation threshold value, increasing the power of the ultraviolet lamps until the real-time light power reaches the light power calibration value, the power difference value being a difference value obtained by subtracting the real-time light power from the light power calibration value;

[0011] obtaining a current threshold value;

[0012] if the light power difference value is greater than the second attenuation threshold value, obtaining working currents of each of the ultraviolet lamps by a current sampling module, comparing the working currents and the current threshold value by a comparator, disconnecting a target ultraviolet lamp, the target ultraviolet lamp being the ultraviolet lamp with the working current greater than the current threshold value, and increasing the power of the remaining ultraviolet lamps until the real-time light power reaches the light power calibration value.

[0013] According to the ultraviolet disinfection device of the first aspect of the present application, at least the following beneficial effects are achieved:

[0014] The control module controls the conduction state of the MOS tube through the comparator, thereby controlling the ultraviolet lamp, detects the real-time light power of the plurality of ultraviolet lamps, confirms that the ultraviolet lamp has light attenuation if the power difference value is greater than the first attenuation threshold value and less than the second attenuation threshold value, increases the power of the ultraviolet lamp until the real-time light power reaches the light power calibration value, confirms that the ultraviolet lamp has a fault if the power difference value is greater than the second attenuation threshold value, compares the working currents of the plurality of ultraviolet lamps and the current threshold value by the comparator, and the comparator controls the MOS tube to disconnect the ultraviolet lamp with the working current greater than the current threshold value. The ultraviolet disinfection device of the first aspect of the present application, compared with the traditional ultraviolet disinfection device, compensates for the light power in the case of light attenuation or fault of the ultraviolet lamp, guarantees the disinfection effect, and in addition, can timely disconnect the ultraviolet lamp with the fault, guarantees the electrical safety.

[0015] According to some embodiments of the present application, the ultraviolet lamp driving module further comprises a second isolator, an output end of the comparator being connected to an input end of the second isolator, and an output end of the second isolator being connected to a gate of the MOS tube.

[0016] The ultraviolet disinfection device control method of the second aspect of the present application comprises:

[0017] obtaining a light power calibration value;

[0018] obtaining real-time light powers of the plurality of ultraviolet lamps by a light power detection module, if the light power difference value is greater than the first attenuation threshold value and less than the second attenuation threshold value, increasing the power of the ultraviolet lamps until the real-time light power reaches the light power calibration value, the power difference value being a difference value obtained by subtracting the real-time light power from the light power calibration value;

[0019] obtaining a current threshold value;

[0020] if the light power difference value is greater than a second attenuation threshold value, obtaining working currents of each of the ultraviolet lamps by a current sampling module, comparing the working currents and the current threshold value by a comparator, turning off a target ultraviolet lamp, the target ultraviolet lamp being the ultraviolet lamp whose working current is greater than the current threshold value, and increasing power of the remaining ultraviolet lamps until the real-time light power reaches the light power calibration value.

[0021] According to the ultraviolet disinfection device control method of the second aspect of the present application, at least the following beneficial effects are achieved:

[0022] The control module controls the conduction state of the MOS tube through the comparator, thereby controlling the ultraviolet lamp, detects the real-time light power of the plurality of ultraviolet lamps, confirms that the ultraviolet lamp has light attenuation if the power difference value is greater than a first attenuation threshold value and less than a second attenuation threshold value, increases the power of the ultraviolet lamp until the real-time light power reaches the light power calibration value, confirms that the ultraviolet lamp has a fault if the power difference value is greater than the second attenuation threshold value, compares the working currents of the plurality of ultraviolet lamps and a current threshold value by a comparator, and the comparator controls the MOS tube to turn off the ultraviolet lamp whose working current is greater than the current threshold value. The ultraviolet disinfection device control method of the second aspect of the present application, compared with the traditional ultraviolet disinfection device, compensates for the light power in the case of light attenuation or fault of the ultraviolet lamp, ensures the disinfection effect, and in addition, can timely turn off the ultraviolet lamp with a fault, thereby ensuring electrical safety.

[0023] According to some embodiments of the present application, the light power calibration value is obtained by:

[0024] obtaining a disinfection standard light power;

[0025] obtaining a standard working voltage of the ultraviolet lamp according to the disinfection standard light power;

[0026] controlling the plurality of ultraviolet lamps to work at the standard working voltage;

[0027] obtaining the light power of the ultraviolet lamp by a light power detection module, and obtaining a light power calibration value.

[0028] According to some embodiments of the present application, the disinfection standard light power is 3000uw / cm 2 .

[0029] According to some embodiments of the present application, the first attenuation threshold value is 10%.

[0030] According to some embodiments of the present application, the second attenuation threshold value is 23%.

[0031] According to some embodiments of the present application, the power of the ultraviolet lamp is increased until the real-time light power reaches the light power calibration value by controlling the ultraviolet lamp through a PWM control signal, including: increasing the duty cycle of the PWM control signal until the real-time light power reaches the light power calibration value.

[0032] According to the computer readable storage medium of the third aspect of the present application, the processor executable program stored in the computer readable storage medium is executed by the processor to implement the ultraviolet disinfection device control method as described above.

[0033] According to the computer readable storage medium of the third aspect of the present application, at least the following beneficial effects are achieved:

[0034] The control module controls the conduction state of the MOS tube through the comparator, thereby controlling the ultraviolet lamp, detects the real-time light power of the plurality of ultraviolet lamps, confirms that the ultraviolet lamp has light attenuation if the power difference is greater than the first attenuation threshold and less than the second attenuation threshold, increases the power of the ultraviolet lamp until the real-time light power reaches the light power calibration value, confirms that the ultraviolet lamp has a fault if the power difference is greater than the second attenuation threshold, and the comparator compares the working current of the plurality of ultraviolet lamps with the current threshold, and the comparator controls the MOS tube to disconnect the ultraviolet lamp whose working current is greater than the current threshold. The computer readable storage medium of the third aspect of the present application compensates for the light power in the case of light attenuation or fault of the ultraviolet lamp, ensures the disinfection effect, and in addition, can timely disconnect the ultraviolet lamp with a fault, thereby ensuring electrical safety.

[0035] Additional aspects and advantages of the present application will be in part apparent and in part pointed out hereinafter. BRIEF DESCRIPTION OF DRAWINGS

[0036] The present application will be further described below in conjunction with the drawings and embodiments, wherein:

[0037] Figure 1 The circuit diagram of the control module of an embodiment of the present application is shown in FIG. 1;

[0038] Figure 2 The circuit diagram of the comparator of an embodiment of the present application is shown in FIG. 2;

[0039] Figure 3 The circuit diagram of the second isolator of an embodiment of the present application is shown in FIG. 3;

[0040] Figure 4 The circuit diagram of the first isolator of an embodiment of the present application is shown in FIG. 4;

[0041] Figure 5 The circuit diagram of the ultraviolet lamp of an embodiment of the present application is shown in FIG. 5;

[0042] Figure 6 Circuit diagram of the optical power detection module according to an embodiment of the present application;

[0043] Figure 7 Flow chart of the control method of the ultraviolet disinfection device according to an embodiment of the present application;

[0044] Figure 8 Flow chart of the method for obtaining the optical power calibration value according to an embodiment of the present application. DETAILED DESCRIPTION

[0045] Embodiments of the present application are described in detail below with reference to the accompanying drawings. The embodiments of the present application, which are shown by way of example in the drawings, are merely to explain the present application and cannot be understood as limiting the present application.

[0046] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, etc. is based on the orientation or position relationship shown in the drawings, and is only for the purpose of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0047] In the description of the present application, plural means more than two. If there is a description of first, second, etc., it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or the sequence of technical features indicated.

[0048] In the description of the present application, unless otherwise explicitly limited, the words such as arrangement, installation, electrical connection, etc. should be broadly understood, and the person skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical solution.

[0049] The embodiments of the present application are described below according to Figures 1 to 8 The ultraviolet disinfection device, the control method and the storage medium according to the embodiments of the present application are described below.

[0050] The ultraviolet disinfection device according to the embodiments of the present application, such as Figures 1 to 6As shown, it comprises: a control module U1, an ultraviolet lamp driving module, a plurality of ultraviolet lamps, a current sampling module and a light power detection module U5, the ultraviolet lamp driving module comprises a comparator U2 and a plurality of MOS tubes corresponding to the ultraviolet lamps one by one, the output end of the control module U1 is connected to the first input end of the comparator U2, the output end of the comparator U2 is connected to the gate of the MOS tube, the drain of the MOS tube is used for connecting the alternating current power supply, the source of the MOS tube is connected to the positive electrode of the ultraviolet lamp, the current sampling module comprises a first isolator U4 and a plurality of sampling resistors corresponding to the ultraviolet lamps one by one, the negative electrode of the ultraviolet lamp is connected to one end of the sampling resistor, the other end of the sampling resistor is used for connecting the alternating current power supply, one end of the sampling resistor is connected to the input end of the first isolator U4, the output end of the first isolator U4 is connected to the second input end of the comparator U2, and the output end of the light power detection module U5 is connected to the input end of the control module U1.

[0051] In the embodiment, the control module U1 controls the conduction state of the MOS tube through the comparator U2, thereby controlling the ultraviolet lamp, detecting the real-time light power of the plurality of ultraviolet lamps, confirming that the ultraviolet lamp occurs light attenuation if the power difference is greater than the first attenuation threshold value and less than the second attenuation threshold value, improving the power of the ultraviolet lamp until the real-time light power reaches the light power calibration value, confirming that the ultraviolet lamp has a fault if the power difference is greater than the second attenuation threshold value, and the comparator U2 compares the working current of the plurality of ultraviolet lamps with the current threshold value, and the comparator U2 controls the MOS tube to disconnect the ultraviolet lamp whose working current is greater than the current threshold value. Compared with the traditional ultraviolet disinfection device, the ultraviolet disinfection device of the embodiment of the application can compensate the light power in the case that the ultraviolet lamp occurs light attenuation or fault, ensure the disinfection effect, and further disconnect the ultraviolet lamp with fault in time, thereby ensuring the electrical safety.

[0052] It can be understood that the real-time light power is the light power commonly output by the plurality of ultraviolet lamps.

[0053] It should be noted that when the ultraviolet lamp is selected, a model with power redundancy is selected, so that in the case that part of the ultraviolet lamps have faults, the other ultraviolet lamps can improve the power and compensate the light power.

[0054] An embodiment of the application, as shown in the figure, Figure 3 The ultraviolet lamp driving module further comprises a second isolator U3, the output end of the comparator U2 is connected to the input end of the second isolator U3, and the output end of the second isolator U3 is connected to the gate of the MOS tube. The second isolator U3 can isolate the electrical connection between the input signal and the output signal, thereby playing an electrical isolation role.

[0055] The circuit connection relationship of the ultraviolet disinfection device of the embodiment of the application will be described below with a specific example.

[0056] As shown in the figure, Figures 1 to 6As shown, an embodiment of the ultraviolet disinfection device of this application includes a control module U1, an ultraviolet lamp driving module, ultraviolet lamp LED1, ultraviolet lamp LED2, ultraviolet lamp LED3, ultraviolet lamp LED4, a current sampling module, and a light power detection module U5. The ultraviolet lamp driving module includes a comparator U2, a second isolator U3, and MOSFETs Q1, Q2, Q3, and Q4. The current sampling module includes a first isolator U4 and sampling resistors R1, R2, R3, and R4.

[0057] Pins 5, 6, 7, and 8 of control module U1 are connected to pins 4, 6, 8, and 11 of comparator U2, respectively. Pins 16, 15, 14, and 13 of comparator U2 are connected to pins 3, 4, 5, and 11 of the second isolator U3, respectively. Pins 14, 13, 12, and 6 of the second isolator U3 are connected to the gates of MOSFETs Q1, Q2, Q3, and Q4, respectively. The drains of MOSFETs Q1, Q2, Q3, and Q4 are connected to the AC power supply. The sources of MOSFETs Q1, Q2, Q3, and Q4 are connected to the positive terminals of UV lamps LED1, LED2, LED3, and LED4, respectively. The negative terminals of UV lamps LED1, LED2, LED3, and LED4 are connected to one end of sampling resistors R1, R2, R3, and R4, respectively. The other ends of sampling resistors R1, R2, R3, and R4 are used to connect to an AC power supply. One end of sampling resistors R1, R2, R3, and R4 is connected to pins 3, 4, 5, and 11 of the first isolator U4, respectively. Pins 14, 13, 12, and 6 of the first isolator U4 are connected to pins 2, 5, 7, and 9 of comparator U2, respectively. Pins 3 and 4 of the optical power detection module U5 are connected to pins 3 and 4 of the control module U1, respectively.

[0058] The control module U1 is used to execute the control method of the ultraviolet disinfection device.

[0059] like Figure 7 As shown, an embodiment of the ultraviolet disinfection device control method of this application includes, but is not limited to, the following steps:

[0060] Step S100: Obtain the optical power calibration value;

[0061] Step S200: obtaining real-time light powers of the plurality of ultraviolet lamps by the light power detection module U5, if the light power difference value is greater than the first attenuation threshold value and less than the second attenuation threshold value, increasing the power of the ultraviolet lamps until the real-time light power reaches the light power calibration value, the power difference value is the difference value obtained by subtracting the real-time light power from the light power calibration value;

[0062] Step S300: obtaining the current threshold value;

[0063] Step S400: if the light power difference value is greater than the second attenuation threshold value, obtaining the working current of each ultraviolet lamp by the current sampling module, comparing the working current and the current threshold value by the comparator U2, disconnecting the target ultraviolet lamp, the target ultraviolet lamp is the ultraviolet lamp with the working current greater than the current threshold value, and increasing the power of the remaining ultraviolet lamps until the real-time light power reaches the light power calibration value.

[0064] In the embodiment, the control module U1 controls the conduction state of the MOS tube through the comparator U2, thereby controlling the ultraviolet lamp, detects the real-time light power of the plurality of ultraviolet lamps, confirms that the ultraviolet lamp occurs light attenuation if the power difference value is greater than the first attenuation threshold value and less than the second attenuation threshold value, increases the power of the ultraviolet lamp until the real-time light power reaches the light power calibration value, confirms that the ultraviolet lamp has a fault if the power difference value is greater than the second attenuation threshold value, compares the working current of the plurality of ultraviolet lamps and the current threshold value by the comparator U2, and the comparator U2 controls the MOS tube to disconnect the ultraviolet lamp with the working current greater than the current threshold value. The ultraviolet disinfection device control method of the embodiment of the application, compared with the traditional ultraviolet disinfection device, compensates the light power in the case that the ultraviolet lamp occurs light attenuation or fault, guarantees the disinfection effect, in addition, can disconnect the ultraviolet lamp with fault in time, guarantees the electrical safety.

[0065] An embodiment of the application further illustrates the "obtaining the light power calibration value" in step S100. As shown in Figure 8 Step S100 includes:

[0066] Step S110: obtaining the disinfection standard light power;

[0067] Step S120: obtaining the standard working voltage of the ultraviolet lamp according to the disinfection standard light power;

[0068] Step S130: controlling the plurality of ultraviolet lamps to work at the standard working voltage;

[0069] Step S140: obtaining the light power of the ultraviolet lamp by the light power detection module U5, and obtaining the light power calibration value.

[0070] In the embodiment, the allocated power of each ultraviolet lamp is calculated according to the disinfection standard light power, the standard working voltage of the ultraviolet lamp is determined according to the allocated power, each ultraviolet lamp is controlled to work at the standard working voltage, and the light power output by the plurality of ultraviolet lamps is detected by the light power detection module U5 at this time to obtain the light power calibration value. Through the above light power calibration process, the light power calibration value can be accurately obtained, so as to determine whether the ultraviolet lamp has light attenuation according to the light power calibration value.

[0071] In an embodiment of the present application, the disinfection standard light power is 3000uw / cm 2 .

[0072] In the embodiment, 3000uw / cm 2 of light power is taken as the disinfection standard power to ensure good disinfection effect.

[0073] In an embodiment of the present application, the first attenuation threshold is 10%.

[0074] In the embodiment, when it is monitored that the real-time light power is lower than 90% of the light power calibration value, it is confirmed that the ultraviolet lamp has light attenuation.

[0075] In an embodiment of the present application, the second attenuation threshold is 23%.

[0076] In the embodiment, whether there is an ultraviolet lamp failure condition is determined by the second attenuation threshold, and when it is monitored that the light power difference is greater than 23%, it is confirmed that the ultraviolet lamp has a failure.

[0077] According to an embodiment of the present application, the ultraviolet lamp is controlled by the PWM control signal, and the power of the ultraviolet lamp is improved until the real-time light power reaches the light power calibration value, including: improving the duty cycle of the PWM control signal until the real-time light power reaches the light power calibration value.

[0078] In the embodiment, the duty cycle of the PWM control signal of the ultraviolet lamp is improved at the same time, so that the real-time light power reaches the light power calibration value.

[0079] The computer readable storage medium according to the embodiment of the present application has a processor executable program stored therein, and the processor executable program is used to implement the ultraviolet disinfection device control method as described above when executed by the processor.

[0080] In the embodiment, the control module U1 controls the on-off state of the MOS transistor through the comparator U2, thereby controlling the ultraviolet lamp, detecting the real-time light power of the plurality of ultraviolet lamps, confirming that the ultraviolet lamp has light attenuation if the power difference is greater than the first attenuation threshold and less than the second attenuation threshold, increasing the power of the ultraviolet lamp until the real-time light power reaches the light power calibration value, confirming that the ultraviolet lamp has a fault if the power difference is greater than the second attenuation threshold, and the comparator U2 compares the working current of the plurality of ultraviolet lamps with the current threshold, and the comparator U2 controls the MOS transistor to turn off the ultraviolet lamp whose working current is greater than the current threshold. The computer readable storage medium of the embodiment of the application compensates the light power in the case that the ultraviolet lamp has light attenuation or a fault, guarantees the disinfection effect, and in addition, can timely turn off the ultraviolet lamp having a fault, guaranteeing the electrical safety.

[0081] Those of ordinary skill in the art understand that all or some of the steps in the method disclosed above can be implemented as software, firmware, hardware, and appropriate combinations thereof. Some or all of the physical components can be implemented as software executed by a processor, such as a central processing unit, a digital signal processor, or a microprocessor, or as hardware, or as an integrated circuit, such as an application-specific integrated circuit. Such software can be distributed on a computer readable medium, which can include computer storage media (or non-transitory media) and communication media (or transitory media). As known to those of ordinary skill in the art, the term computer storage media includes volatile and non-volatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, information structures, program modules, or other information. Computer storage media include, but are not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital versatile disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tapes, magnetic disk storage, or other magnetic storage devices, or any other medium that can be used to store desired information and can be accessed by a computer. In addition, as known to those of ordinary skill in the art, communication media typically include computer readable instructions, information structures, program modules, or other information in modulated data signals such as carrier waves or other transport mechanisms, and can include any information delivery medium.

[0082] The embodiments of the application are described in detail above in combination with the drawings, but the application is not limited to the above embodiments, and within the scope of knowledge possessed by those of ordinary skill in the art, various changes can be made without departing from the purpose of the application.

Claims

1. An ultraviolet disinfection device, characterized by, include: Control module; Multiple ultraviolet lamps and an ultraviolet lamp driving module are provided. The ultraviolet lamp driving module includes a comparator and multiple MOSFETs corresponding to the ultraviolet lamps. The output terminal of the control module is connected to the first input terminal of the comparator. The output terminal of the comparator is connected to the gate of the MOSFET. The drain of the MOSFET is used to connect to an AC power supply. The source of the MOSFET is connected to the positive terminal of the ultraviolet lamp. A current sampling module includes a first isolator and a plurality of sampling resistors corresponding one-to-one with the ultraviolet lamps. The negative terminal of the ultraviolet lamp is connected to one end of the sampling resistor, and the other end of the sampling resistor is used to connect to the AC power supply. One end of the sampling resistor is connected to the input terminal of the first isolator, and the output terminal of the first isolator is connected to the second input terminal of the comparator. A light power detection module, the output of which is connected to the input of the control module; the control module is used to execute the following ultraviolet disinfection device control method: Obtain the optical power calibration value; The real-time optical power of the multiple ultraviolet lamps is obtained through the optical power detection module. If the optical power difference is greater than the first attenuation threshold and less than the second attenuation threshold, the power of the ultraviolet lamp is increased until the real-time optical power reaches the optical power calibration value. The power difference is the difference obtained by subtracting the real-time optical power from the optical power calibration value. Obtain the current threshold; If the optical power difference is greater than the second attenuation threshold, the operating current of each UV lamp is obtained through the current sampling module, and the operating current is compared with the current threshold by a comparator. The target UV lamp is disconnected. The target UV lamp is the UV lamp whose operating current is greater than the current threshold. The power of the remaining UV lamps is increased until the real-time optical power reaches the optical power calibration value.

2. The ultraviolet disinfecting device of claim 1, wherein: The UV lamp driving module also includes a second isolator, the output of the comparator is connected to the input of the second isolator, and the output of the second isolator is connected to the gate of the MOS transistor.

3. The ultraviolet disinfection apparatus control method characterized by, include: Obtain the optical power calibration value; The real-time optical power of multiple ultraviolet lamps is obtained through an optical power detection module. If the optical power difference is greater than a first attenuation threshold and less than a second attenuation threshold, the power of the ultraviolet lamp is increased until the real-time optical power reaches the optical power calibration value. The power difference is the difference obtained by subtracting the real-time optical power from the optical power calibration value. Obtain the current threshold; If the optical power difference is greater than the second attenuation threshold, the operating current of each UV lamp is obtained through the current sampling module, and the operating current is compared with the current threshold by a comparator. The target UV lamp is disconnected. The target UV lamp is the UV lamp whose operating current is greater than the current threshold. The power of the remaining UV lamps is increased until the real-time optical power reaches the optical power calibration value.

4. The ultraviolet disinfection apparatus control method according to claim 3, wherein The process of obtaining the optical power calibration value includes: Obtain the standard optical power for disinfection; The standard operating voltage of the ultraviolet lamp is obtained based on the disinfection standard optical power. Control the multiple ultraviolet lamps to operate at standard working voltage; The optical power of the ultraviolet lamp is obtained through the optical power detection module, and the optical power calibration value is obtained.

5. The ultraviolet disinfection apparatus control method according to claim 4, characterized by: The disinfection standard light power is 3000uw / cm 2 .

6. The ultraviolet disinfection apparatus control method according to claim 3, characterized by: The first attenuation threshold is 10%.

7. The ultraviolet disinfection apparatus control method according to claim 3, characterized by: The second attenuation threshold is 23%.

8. The ultraviolet sterilizing device control method of claim 3, wherein the ultraviolet lamp is controlled by a PWM control signal, and The step of increasing the power of the ultraviolet lamp until the real-time light power reaches the light power calibration value comprises: increasing the duty cycle of the PWM control signal until the real-time light power reaches the light power calibration value.

9. A computer readable storage medium, characterized in that, A processor-executable program is stored in the memory, and the processor-executable program is executed by the processor to implement the ultraviolet disinfection device control method according to any one of claims 3 to 8.

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