Air purification control device

Abstract

The utility model relates to an air purification control device. Comprising a power supply module used for converting 220V commercial power into one path of DC24V and one path of DC5V for output; the single-chip microcomputer control module is used for controlling on and off of the fan and the ultraviolet lamp, monitoring the current state and processing fault information; the fan driving module inputs the working current of the fan into an LM358 operational amplifier through a sampling resistor R1 for current detection; the ultraviolet lamp driving module adopts a triode and a relay to drive an ultraviolet lamp; the current detection module comprises a sampling resistor R1, a sampling resistor R2 and an LM358 operational amplifier and is used for processing working current signals of the fan and the ultraviolet lamp; and the fault indication module is used for prompting maintenance through an indication lamp on the panel when abnormal current of the fan or the ultraviolet lamp is detected. The technical problems that in the prior art, air purification or disinfection equipment is usually large in size and inconvenient to install and maintain, and meanwhile when the equipment breaks down, the equipment is difficult to monitor and maintain in time are solved.

Description

Technical Field

[0001] This utility model relates to the field of air purification control devices, and in particular to an air purification control device. Background Technology

[0002] High-speed rail, as a comfortable, convenient, green, and efficient mode of transportation, has become an important choice for people's daily travel. However, due to its small, enclosed space and high usage frequency, the air quality problem in high-speed rail toilets is particularly prominent. Providing a fresh, odor-free, and healthy environment is crucial to improving the passenger experience.

[0003] Currently, conventional air purification or disinfection equipment is usually large in size, inconvenient to install and maintain, and difficult to monitor and maintain in a timely manner when equipment malfunctions. Utility Model Content

[0004] This application provides an air purification control device, which solves the technical problems in the prior art where air purification or disinfection equipment is usually large in size, inconvenient to install and maintain, and difficult to monitor and maintain in a timely manner when the equipment malfunctions.

[0005] The technical solution adopted in the embodiments of this application is as follows:

[0006] An air purification control device includes a power module for converting 220V AC mains power into one DC24V output and one DC5V output;

[0007] The microcontroller control module uses an STM8S003F3 chip to control the fan and UV lamp switches, monitor current status, and process fault information.

[0008] The fan drive module uses an NMOS transistor to drive a DC fan and inputs the fan operating current to an LM358 operational amplifier for current detection through a sampling resistor R1.

[0009] The UV lamp driver module uses transistors and relays to drive the UV lamp, and senses the UV lamp operating current through a current transformer T1. The output terminal is connected to a sampling resistor R2 to an LM358 operational amplifier for current detection.

[0010] The current detection module, including sampling resistors R1 and R2 and an LM358 operational amplifier, is used to process the operating current signals of the fan and the UV lamp.

[0011] The fault indication module is used to prompt maintenance via indicator lights on the panel when abnormal current is detected in the fan or UV lamp.

[0012] A further technical solution is as follows: the input of the power module is 220V AC mains power, and the output includes one DC24V supply to the DC fan and one DC5V supply to the microcontroller and other electronic components.

[0013] A further technical solution is as follows: the microcontroller control module controls the switching of the fan and ultraviolet lamp through a preset program, monitors the current status in real time, and prompts for maintenance through the fault indication module when an abnormal current is detected.

[0014] A further technical solution is as follows: the wind turbine drive module uses an NMOS transistor, detects the wind turbine operating current through a sampling resistor R1, and inputs the detection signal to an LM358 operational amplifier for processing.

[0015] A further technical solution is as follows: The ultraviolet lamp driving module uses transistors and relays, senses the working current of the ultraviolet lamp through the current transformer T1, and inputs the sensed signal to the LM358 operational amplifier for processing through the sampling resistor R2.

[0016] A further technical solution is as follows: The current detection module includes sampling resistors R1 and R2, as well as an LM358 operational amplifier, which is used to monitor the operating current of the fan and the ultraviolet lamp in real time, and transmit the processed signal to the microcontroller control module.

[0017] One or more technical solutions provided in the embodiments of this application have at least the following technical effects or advantages:

[0018] 1. The system incorporates a power supply module, a microcontroller control module, a fan drive module, a UV lamp drive module, a current detection module, and a fault indication module. The power supply module receives 220V AC mains power and outputs one DC 24V supply to the DC fan and one DC 5V supply to the microcontroller and other electronic components. The microcontroller control module controls the switching of the fan and UV lamp via a preset program, monitors the current status in real time, and prompts for maintenance via the fault indication module when abnormal current is detected. The fan drive module uses an NMOS transistor, detects the fan operating current through sampling resistor R1, and inputs the detection signal to an LM358 operational amplifier for processing. The UV lamp drive module uses a transistor and a relay, senses the UV lamp operating current through a current transformer T1, and inputs the sensed signal through sampling resistor R2 to an LM358 operational amplifier for processing. The current detection module includes sampling resistors R1 and R2, and an LM358 operational amplifier, used to monitor the operating current of the fan and UV lamp in real time and transmit the processed signal to the microcontroller control module. When the microcontroller control module detects abnormal current in the fan or UV lamp, the fault indication module illuminates a continuous indicator light on the panel, allowing maintenance personnel to identify and handle the fault. The device features a compact design, facilitating installation and use in confined spaces such as high-speed rail restrooms. The microcontroller control module enables automatic control and fault detection, improving ease of use and safety. The device simultaneously purifies the air and eliminates odors, effectively improving air quality in high-speed rail restrooms. Each module employs a modular design for easy installation, maintenance, and replacement. The power module utilizes a high-efficiency switching power supply circuit, ensuring high energy conversion efficiency and low heat generation. The fan drive module and UV lamp drive module use separate drive circuits, ensuring independent and stable operation of each functional module. The current detection module uses high-precision sampling resistors and operational amplifiers to ensure accurate and reliable current detection. The fault indication module visually displays fault information via indicator lights on the panel, facilitating quick fault location and handling. Attached Figure Description

[0019] Figure 1 This is an overall flowchart of an air purification control device according to an embodiment of the present invention. Detailed Implementation

[0020] This application provides an air purification control device, which solves the technical problems in the prior art where air purification or disinfection equipment is usually large in size, inconvenient to install and maintain, and difficult to monitor and maintain in a timely manner when the equipment malfunctions.

[0021] The technical solution in this application is to solve the above problems, and the overall approach is as follows:

[0022] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0023] An air purification control device, such as Figure 1 As shown, it includes a power module for converting 220V AC mains power into one DC24V and one DC5V output;

[0024] The microcontroller control module uses an STM8S003F3 chip to control the fan and UV lamp switches, monitor current status, and process fault information.

[0025] The fan drive module uses an NMOS transistor to drive a DC fan and inputs the fan operating current to an LM358 operational amplifier for current detection through a sampling resistor R1.

[0026] The UV lamp driver module uses transistors and relays to drive the UV lamp, and senses the UV lamp operating current through a current transformer T1. The output terminal is connected to a sampling resistor R2 to an LM358 operational amplifier for current detection.

[0027] The current detection module, including sampling resistors R1 and R2 and an LM358 operational amplifier, is used to process the operating current signals of the fan and the UV lamp.

[0028] The fault indication module is used to prompt maintenance via indicator lights on the panel when abnormal current is detected in the fan or UV lamp.

[0029] The power module receives 220V AC mains power as input and outputs include one DC 24V supply to the DC fan and one DC 5V supply to the microcontroller and other electronic components.

[0030] The microcontroller control module controls the switching of the fan and UV lamp through a preset program, monitors the current status in real time, and prompts for maintenance through the fault indication module when an abnormal current is detected.

[0031] The wind turbine drive module uses NMOS transistors to detect the wind turbine operating current through sampling resistor R1 and inputs the detection signal to LM358 operational amplifier for processing.

[0032] The UV lamp driver module uses transistors and relays. It senses the UV lamp's operating current through a current transformer T1 and inputs the sensed signal to an LM358 operational amplifier for processing through a sampling resistor R2.

[0033] The current detection module includes sampling resistors R1 and R2, as well as an LM358 operational amplifier, which is used to monitor the operating current of the fan and UV lamp in real time and transmit the processed signal to the microcontroller control module.

[0034] The system incorporates a power supply module, a microcontroller control module, a fan drive module, a UV lamp drive module, a current detection module, and a fault indication module. The power supply module receives 220V AC mains input and outputs one DC 24V supply to the DC fan and one DC 5V supply to the microcontroller and other electronic components. The microcontroller control module controls the switching of the fan and UV lamp via a preset program, monitors the current status in real time, and prompts for maintenance via the fault indication module when abnormal current is detected. The fan drive module uses an NMOS transistor, detects the fan operating current through sampling resistor R1, and inputs the detection signal to an LM358 operational amplifier for processing. The UV lamp drive module uses a transistor and a relay, senses the UV lamp operating current through a current transformer T1, and inputs the sensed signal through sampling resistor R2 to an LM358 operational amplifier for processing. The current detection module includes sampling resistors R1 and R2 and an LM358 operational amplifier, used to monitor the operating current of the fan and UV lamp in real time and transmit the processed signal to the microcontroller control module. When the microcontroller control module detects abnormal current in the fan or UV lamp, the fault indication module illuminates a continuous indicator light on the panel, allowing maintenance personnel to identify and handle the fault. The device features a compact design, facilitating installation and use in confined spaces such as high-speed rail restrooms. The microcontroller control module enables automatic control and fault detection, improving ease of use and safety. The device simultaneously purifies the air and eliminates odors, effectively improving air quality in high-speed rail restrooms. Each module employs a modular design for easy installation, maintenance, and replacement. The power module utilizes a high-efficiency switching power supply circuit, ensuring high energy conversion efficiency and low heat generation. The fan drive module and UV lamp drive module use separate drive circuits, ensuring independent and stable operation of each functional module. The current detection module uses high-precision sampling resistors and operational amplifiers to ensure accurate and reliable current detection. The fault indication module visually displays fault information via indicator lights on the panel, facilitating quick fault location and handling.

[0035] Although preferred embodiments of the present invention have been described, those skilled in the art, upon learning the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments as well as all changes and modifications falling within the scope of the present invention.

[0036] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.

Claims

1. An air purification control device, characterized in that, Includes a power module for converting 220V AC mains power into one DC24V and one DC5V output; The microcontroller control module uses an STM8S003F3 chip to control the fan and UV lamp switches, monitor current status, and process fault information. The fan drive module uses an NMOS transistor to drive a DC fan and inputs the fan operating current to an LM358 operational amplifier for current detection through a sampling resistor R1. The UV lamp driver module uses transistors and relays to drive the UV lamp, and senses the UV lamp operating current through a current transformer T1. The output terminal is connected to a sampling resistor R2 to an LM358 operational amplifier for current detection. The current detection module, including sampling resistors R1 and R2 and an LM358 operational amplifier, is used to process the operating current signals of the fan and the UV lamp. The fault indication module is used to prompt maintenance via indicator lights on the panel when abnormal current is detected in the fan or UV lamp.

2. The air purification control device as described in claim 1, characterized in that, The power module receives 220V AC mains power as input and outputs a DC 24V supply to the DC fan and a DC 5V supply to the microcontroller and other electronic components.

3. The air purification control device as described in claim 1, characterized in that, The microcontroller control module controls the switching of the fan and ultraviolet lamp through a preset program, monitors the current status in real time, and prompts for maintenance through the fault indication module when an abnormal current is detected.

4. The air purification control device as described in claim 1, characterized in that, The wind turbine drive module uses an NMOS transistor, detects the wind turbine operating current through a sampling resistor R1, and inputs the detection signal to an LM358 operational amplifier for processing.

5. An air purification control device as described in claim 1, characterized in that, The UV lamp driver module uses transistors and relays. It senses the UV lamp's operating current through a current transformer T1 and inputs the sensed signal to an LM358 operational amplifier for processing through a sampling resistor R2.

6. The air purification control device as described in claim 1, characterized in that, The current detection module includes sampling resistors R1 and R2, as well as an LM358 operational amplifier, used to monitor the operating current of the fan and UV lamp in real time, and transmit the processed signal to the microcontroller control module.

Images