A multi-mode intelligent air purification system and device

Abstract

The present invention discloses a multi-mode intelligent air purification system and device, which relates to the field of air purification technology, including a sensor module, a control module, an air purification module and a state self-checking module. The control module is used to receive analysis data and select a corresponding air purification mode according to the analysis data. The air purification module is used to execute a driving instruction output by the control module, and perform air purification by executing the corresponding air purification mode. The present invention receives the driving instruction of the control module by setting an air purification module, including a dust removal and filtration unit, a sterilization and purification unit and a negative oxygen ion supplement unit, and selects or combines different purification modes to purify the air according to the substances and concentrations contained in the air, selects a suitable working mode of the purification mode according to the air grade, and plays a role in energy saving and environmental protection while achieving air purification, and detects the response state and working state of the air purification module through the state self-checking module.

Description

Technical Field

[0001] The present invention relates to the technical field of air purification, and in particular to a multi-mode intelligent air purification system and device. Background Art

[0002] In order to improve air quality and reduce the harm to human health caused by harmful substances and pollutants in the air, it is necessary to use an air purification device to purify the air, and to set an air purification system in the air purification device to control the normal use of the air purification device. However, the existing air purification systems and devices have few purification modes, and it is not convenient to select different purification modes or combine multiple purification modes to purify the air according to the substances and concentrations contained in the air, and it is not convenient to adjust the working mode of the purification mode, and it is not convenient to detect the response state and working state of the purification mode.

[0003] The defects of existing air purification systems and devices are:

[0004] Patent document KR101239868B1 mainly considers the data of judging the dangerousness of gas concentration and then purifying the air through air conditioning, but does not consider setting multiple purification modes and combining multiple purification modes to purify the air;

[0005] Patent document CN114322176B mainly considers improving the air purification effect of the air purification device and system, but does not consider the problem of realizing self-checking of the working state and corresponding state of the air purification module;

[0006] Patent document KR1020090114026A mainly considers the use of multiple sensors to detect the location of dust generation and then purify it. It does not consider setting multiple sets of sensors along the air flow direction to obtain real-time data of various substances in the air to facilitate dynamic adjustment of the purification mode.

[0007] Patent document CN105546651B performs air purification by ionization, but does not consider the purpose of selecting multiple purification modes to purify the air. Summary of the invention

[0008] The purpose of the present invention is to provide a multi-mode intelligent air purification system and device to solve the problems raised in the above background technology.

[0009] To achieve the above object, the present invention provides the following technical solutions: a multi-mode intelligent air purification system, comprising a sensor module, a control module, an air purification module and a status self-checking module;

[0010] The sensor module is used to detect the concentration of dust, particulate matter and various harmful gases in the air to be purified and convert them into analysis data. The control module is used to receive the analysis data and select a corresponding air purification method according to the analysis data. The air purification module is used to execute the driving instructions output by the control module and purify the air to be purified by executing the corresponding air purification method. The state self-check module is used to detect the response state and working state of the air purification module.

[0011] The air purification module includes a dust removal and filtering unit, a sterilization and purification unit and a negative oxygen ion supplement unit.

[0012] Preferably, the sensor module includes an air quality sensing detection unit, a carbon dioxide concentration detection unit, a harmful gas concentration detection unit and a negative oxygen ion concentration detection unit, wherein the air quality detection unit is used to detect the concentration of dust and particulate matter in the air to be purified.

[0013] Preferably, the control module includes a data receiving and analyzing unit, a standard level setting unit, a purification mode selection and driving unit and a storage unit. The standard level setting unit is used to set the air level and the standard data range corresponding to the air level. The data receiving and analyzing unit is used to receive the analysis data output by the sensor module, judge the substances contained in the air according to the analysis data, and transmit the analysis data to the standard level setting unit to obtain the air level. The purification mode selection and driving unit is used to receive the judgment result of the substances contained in the air and the air level, select the corresponding air purification mode according to the received content, and output the driving instruction to the air purification module. The storage unit is used to save the output data and results of the data receiving and analyzing unit, the standard level setting unit and the purification mode selection and driving unit.

[0014] Preferably, the dust removal and filtration unit includes a primary filtration subunit, an odor adsorption subunit and an electrostatic dust removal subunit. The primary filtration subunit performs initial filtration on particulate matter in the air by using a filter screen. The odor adsorption subunit adsorbs odors in the air by using an activated carbon plate. The electrostatic dust removal subunit ionizes and collects tiny particles in the air by using an electrostatic dust collecting component. The electrostatic dust collecting component includes a power supply box, a discharge electrode plate and a dust collecting electrode plate. The sterilization and purification unit includes an ultraviolet sterilization subunit and a photocatalytic sterilization subunit. The ultraviolet sterilization unit sterilizes and purifies harmful gas substances in the air by using an ultraviolet lamp. The photocatalytic sterilization unit sterilizes and purifies harmful gas substances in the air by using a photocatalyst component. The photocatalyst component includes an ultraviolet catalytic lamp, a mounting frame and a photocatalyst coated net. The negative oxygen ion replenishment unit is used to replenish negative oxygen ions into the purified air.

[0015] Preferably, the status self-check module includes an electrostatic dust removal subunit status detection unit, a photocatalytic sterilization subunit status detection unit and a prompt unit, and the prompt unit is used to issue a warning prompt based on the detection results of the electrostatic dust removal subunit status detection unit and the photocatalytic sterilization subunit status detection unit.

[0016] A multi-mode intelligent air purification device, the air purification device includes a purification box, an air inlet is arranged at the left end of the purification box, an air outlet is arranged at the right end of the purification box, a support plate and a partition plate are installed on the inner wall of the purification box, and the top of the partition plate is connected to the bottom of the support plate, and the outer wall of the partition plate is provided with a connecting port, the interior of the purification box is provided with an electrostatic dust collection chamber, an ultraviolet sterilization chamber and a photocatalytic sterilization chamber from left to right, and a dust removal and filtration unit, a sterilization and purification unit and a negative oxygen ion supplement unit are arranged in sequence from left to right at the air inlet and the purification box.

[0017] Preferably, the sensor module is embedded in the inner wall of the air inlet and the connecting port, the filter and the activated carbon plate are arranged on the inner wall of the air inlet, and the activated carbon plate is located between the filter and the sensor module, the electrostatic dust removal assembly and the electrostatic dust removal sub-unit status detection unit are arranged inside the electrostatic dust collecting chamber, the ultraviolet sterilization sub-unit is arranged in the ultraviolet sterilization chamber, the photocatalytic sterilization sub-unit, the photocatalytic sterilization sub-unit status detection unit and the negative oxygen ion replenishment unit are arranged in the photocatalytic sterilization chamber, a fan assembly is arranged in the photocatalytic sterilization chamber, and the fan assembly is located between the photocatalytic sterilization sub-unit and the negative oxygen ion replenishment unit, a control module is installed on the top of the support plate, and the prompt unit is installed on the front of the purification box.

[0018] Preferably, the electrostatic dust collection assembly includes a power supply box, a discharge electrode plate and a dust collecting electrode plate. The power supply box is installed on the top of the support plate and is electrically connected to the control module. The discharge electrode plate and the dust collecting electrode plate are relatively arranged in the electrostatic dust collecting chamber. The power supply box is electrically connected to the discharge electrode plate and the dust collecting electrode plate through a connecting line. The electrostatic dust removal sub-unit status detection unit includes a current sensor, a mounting mesh plate and an electric field sensor. The current sensor is installed on the top of the support plate. The current sensor is used to detect current data in a loop formed by the power supply box, the discharge electrode plate and the dust collecting electrode plate. The outer wall of the mounting mesh plate is installed with an electric field sensor, and the mounting mesh plate is located between the relatively arranged discharge electrode plate and the dust collecting electrode plate.

[0019] Preferably, the ultraviolet catalytic lamp is installed on the right outer wall of a group of partitions on the right side, an installation frame is provided inside the photocatalytic sterilization chamber, a photocatalyst coating net is embedded in the inner wall of the installation frame, and the photocatalyst coating net is located on the right side of the ultraviolet catalytic lamp, the photocatalytic sterilization sub-unit status detection unit includes an infrared sensor and a pressure sensor, an infrared sensor is installed on the inner wall of the purification box, and the infrared sensor is located between the photocatalyst coating net and the ultraviolet catalytic lamp, a pressure sensor is embedded in the inner wall of the installation frame, and the pressure sensor is in contact with the outer wall of the photocatalyst coating net.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. The present invention sets an air purification module, including a dust removal and filtration unit, a sterilization and purification unit and a negative oxygen ion supplement unit. The dust removal and filtration unit includes a primary filter unit, an odor adsorption unit and an electrostatic dust removal unit. The sterilization and purification unit includes an ultraviolet sterilization subunit and a photocatalytic sterilization subunit. The air purification module receives a driving instruction from a control module, selects different purification modes for purification according to the substances and concentrations contained in the air to be purified, and can use the purification modes in combination to purify the air. The appropriate working mode of the purification mode is selected according to the air grade, so as to achieve energy saving and environmental protection while achieving air purification.

[0022] 2. The present invention sets a status self-check module, including an electrostatic dust removal sub-unit status detection unit, a photocatalytic sterilization sub-unit status detection unit and a prompt unit, to detect the execution status of the electrostatic dust collection component on the air module driving instruction, as well as whether the discharge electrode and the dust collecting electrode are used normally, the working status of the photocatalyst component, whether the catalytic distribution area is uniform and whether the photocatalyst coating net is blocked, and when an abnormal situation occurs, it prompts relevant personnel to make adjustments or handle them in time, which is conducive to maintaining the normal use of the air purification device and ensuring effective and sufficient purification of the air.

[0023] 3. The present invention detects the substances and concentrations contained in the air by setting up multiple groups of sensor modules, including an air quality sensor detection unit, a carbon dioxide concentration detection unit, a harmful gas concentration detection unit and a negative oxygen ion concentration detection unit, so as to obtain data for analysis. By setting up multiple groups of sensor modules, detection is performed multiple times along the air flow direction, so as to obtain real-time data and update the data, so that the control module can adjust the purification mode and working status in time according to the real-time data.

[0024] 4. The present invention sets a control module, including a data receiving and analyzing unit, a standard level setting unit, a purification mode selection and driving unit and a storage unit, so as to judge the substances and concentrations contained in the air and the air level according to the analysis data, and select the appropriate purification mode and purification mode working state according to the air level and the substances contained, thereby improving the intelligence of the purification device. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a composition diagram of the air purification system of the present invention;

[0026] Figure 2 A diagram showing the relationship between the sensor module and the control module of the present invention;

[0027] Figure 3It is a composition diagram of the air purification module and the status self-checking module of the present invention;

[0028] Figure 4 It is a structural diagram of the air purification device of the present invention;

[0029] Figure 5 It is a front view of the air purification device of the present invention;

[0030] Figure 6 For the present invention Figure 5 A magnified view of the structure at A;

[0031] Figure 7 It is a partial structural schematic diagram of the purification box of the present invention.

[0032] In the figure: 1. sensor module; 2. control module; 3. primary filter unit; 4. odor adsorption subunit; 5. electrostatic dust removal subunit; 6. ultraviolet sterilization subunit; 7. photocatalytic sterilization subunit; 8. negative oxygen ion replenishment unit; 9. electrostatic dust removal subunit status detection unit; 10. infrared sensor; 11. pressure sensor; 12. prompt unit; 13. purification box; 14. air inlet; 15. air outlet; 16. partition plate; 17. fan assembly. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on 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.

[0034] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0035] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" 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.

[0036] See also Figure 4 and Figure 5 , an embodiment of the present invention is: a multi-mode intelligent air purification system and device, wherein the air purification device includes a purification box 13, an air inlet 14 is arranged at the left end of the purification box 13, and an air outlet 15 is arranged at the right end of the purification box 13, the purification box 13, the air inlet 14 and the air outlet 15 are all made of insulating materials, the inner wall of the purification box 13 is installed with a support plate and a partition plate 16, and the top of the partition plate 16 is connected to the bottom of the support plate, the number of installation groups of the partition plate 16 is two groups, and the outer wall of the partition plate 16 is provided with a connecting port, the two groups of partition plates 16 divide the area inside the purification box 13 into three groups of regional cavities, and the area inside the purification box 13 The regional cavities of the part are, from left to right, an electrostatic dust collection chamber, an ultraviolet sterilization chamber and a photocatalytic sterilization chamber. An air purification system is arranged in the air purification device, wherein the air purification system comprises a sensor module 1, a control module 2, an air purification module and a status self-check module. The sensor module 1 is arranged on the inner wall of the air inlet 14, the inner wall of the connecting port on a group of partition plates 16 on the left side and the inner wall of the connecting port on a group of partition plates 16 on the right side, the control module 2 is arranged on the top of the support plate, the air purification module is arranged in the electrostatic dust collection chamber, the ultraviolet sterilization chamber and the photocatalytic sterilization chamber, and the status self-check module is arranged in the electrostatic dust collection chamber and the photocatalytic sterilization chamber.

[0037] Furthermore, the sensor module 1 is used to detect the concentrations of dust, particulate matter and various harmful gases in the air to be purified and convert them into analysis data. The control module 2 is used to receive the analysis data and select a corresponding air purification method based on the analysis data. The air purification module is used to execute the driving instructions output by the control module 2, and purify the air to be purified by executing the corresponding air purification method. The status self-check module is used to detect the response status and working status of the air purification module.

[0038] See also Figure 1 , Figure 2 and Figure 5, an embodiment provided by the present invention: a multi-mode intelligent air purification system and device, the sensor module 1 includes an air quality sensing detection unit, a carbon dioxide concentration detection unit, a harmful gas concentration detection unit and a negative oxygen ion concentration detection unit, wherein the air quality detection unit is used to detect the concentration of dust and particulate matter in the air to be purified, the sensor module 1 arranged on the inner wall of the air inlet 14 includes an air quality sensing detection unit, a carbon dioxide concentration detection unit, and a harmful gas concentration detection unit, the harmful gas concentration detection unit is used to detect the content of harmful substances or bacteria such as formaldehyde in the air, the sensor module 1 installed on the inner wall of a group of connecting ports on the left side includes a carbon dioxide concentration detection unit and a harmful gas concentration detection unit, and the sensor module 1 installed on the inner wall of a group of connecting ports on the right side includes a carbon dioxide concentration detection unit, a harmful gas concentration detection unit and a negative oxygen ion concentration detection unit.

[0039] Furthermore, by setting up a sensor module 1 to detect the concentration of various substances to be purified in the air, accurate analysis data is obtained and transmitted to the control module 2, so that the control module 2 can select the corresponding air purification module to purify the air, wherein the output data of the air proper amount sensing detection unit is K, K represents the actual concentration data of dust and other particles in the air, the output data of the carbon dioxide concentration detection unit and the harmful gas concentration detection unit are Q, Q represents the actual concentration data of carbon dioxide and harmful gases in the air, and the output data of the negative oxygen ion concentration detection unit is N, N represents the actual concentration of negative oxygen ions in the air, and by setting up multiple groups of sensor modules 1 along the air flow direction, the purpose of multiple detections of the concentrations of various substances in the air is achieved, which is convenient for obtaining real-time data, analyzing the real-time data, dynamically adjusting the use mode of the air purification module, and improving the intelligence of the air purification device.

[0040] See also Figure 3 and Figure 5 , an embodiment provided by the present invention: a multi-mode intelligent air purification system and device, the control module 2 includes a data receiving and analyzing unit, a standard level setting unit, a purification mode selection and driving unit and a storage unit, the standard level setting unit is used to set the air level and the standard data range corresponding to the air level, the data receiving and analyzing unit is used to receive the analysis data output by the sensor module 1, judge the substances contained in the air according to the analysis data, and transmit the analysis data to the standard level setting unit, so as to obtain the air level, the purification mode selection and driving unit is used to receive the judgment result of the substances contained in the air and the air level, select the corresponding air purification mode according to the received content, and output the driving instruction to the air purification module, and the storage unit is used to save the output data and results of the data receiving and analyzing unit, the standard level setting unit and the purification mode selection and driving unit.

[0041] Furthermore, the standard level setting unit sets the air level and the standard data range corresponding to the air level according to the substances contained in the air. When the air contains a lot of dust and other particles, the air level is set to "poor air quality", and the corresponding standard data range of particle concentration is (K0, K1); when the air contains dust and particles with a medium concentration, the air level is set to "medium air quality", and the corresponding standard data range of particle concentration is (K1, K2); when the dust contains less dust and other particles, the air level is set to "good air quality", and the corresponding standard data range of particle concentration is (K2, K3); when the air contains carbon dioxide and harmful gases with a high concentration, the air level is set to "strong harmful state", and the corresponding carbon dioxide and harmful gas concentration standards are The data range is (Q1, Q2). When the air contains medium concentrations of carbon dioxide and harmful gases, the air level is set to "medium harmful state", and the corresponding standard data range of carbon dioxide and harmful gas concentrations is (Q2, Q3). When the air contains low concentrations of carbon dioxide and harmful gases, the air level is set to "weak harmful state", and the corresponding standard data range of carbon dioxide and harmful gas concentrations is (Q3, Q4). When the air contains high concentrations of negative oxygen ions, the air level is set to "standard state", and the corresponding standard data range of negative oxygen ion concentration is (N1, N2). When the air contains low concentrations of negative oxygen ions, the air level is set to "non-standard state", and the corresponding standard data range of negative oxygen ion concentration is (N2, N3).

[0042] The data receiving and analyzing unit receives the analysis data K, Q, and N, determines the substances contained in the air to be purified, and transmits the analysis data to the corresponding air grade, compares the actual data with the standard data range, and obtains the actual corresponding grade of the air to be purified, and selects the air purification mode and the purification state of the air purification module according to the judgment result of the substances contained in the air. When the air to be purified contains dust particles, the control module 2 selects to purify the air through the dust removal and filtration unit, and outputs the corresponding drive control instructions to the electrostatic dust removal sub-unit 5 according to the air grade. When the air to be purified contains carbon dioxide and harmful gases, the sterilization and purification unit is selected for air purification, and the corresponding drive control instructions are output to the sterilization and purification unit according to the air grade. According to the air grade corresponding to the concentration of negative oxygen ions in the air to be purified, the drive control instructions are output to the negative oxygen ion replenishment unit 8.

[0043] See also Figure 3 , Figure 5 and Figure 7, an embodiment of the present invention: a multi-mode intelligent air purification system and device, the dust removal and filtration unit includes a primary filter unit 3, an odor adsorption unit 4 and an electrostatic dust removal unit 5, the primary filter unit 3 uses a filter to perform primary filtration on particulate matter in the air, the odor adsorption unit 4 uses an activated carbon plate to adsorb odors in the air, the filter and the activated carbon plate are detachably installed inside the air inlet 14 from left to right, the electrostatic dust removal unit 5 ionizes and collects tiny particles in the air by using an electrostatic dust collection component, the electrostatic dust removal unit 5 is electrically connected to the control module 2, and the sterilization and purification unit includes an ultraviolet sterilization unit 6 and a photocatalyst The photocatalytic sterilization subunit 7 and the ultraviolet sterilization subunit 6 are arranged in the ultraviolet sterilization cavity between the two groups of partition plates 16. The ultraviolet sterilization unit sterilizes and purifies harmful gas substances in the air through ultraviolet lamps. The number of installation groups of ultraviolet lamps is multiple, which are respectively installed on the top wall of the purification box 13 and the front and rear side inner walls of the purification box 13, and the ultraviolet lamps are electrically connected to the control module 2 respectively. The photocatalytic sterilization unit sterilizes and purifies harmful gas substances in the air through a photocatalyst component. The negative oxygen ion supplement unit 8 is used to supplement negative oxygen ions into the purified air. The negative oxygen ion supplement unit 8 includes a negative oxygen ion generator, and the negative oxygen ion generator is electrically connected to the control module 2;

[0044] The electrostatic dust collection component includes a power supply box, a discharge electrode plate and a dust collecting electrode plate. The power supply box is installed on the top of the support plate, and the power supply box is electrically connected to the control module 2. The discharge electrode plate and the dust collecting electrode plate are arranged opposite to each other in the electrostatic dust collecting chamber. The power supply box is electrically connected to the discharge electrode plate and the dust collecting electrode plate through a connecting line. The photocatalyst component includes an ultraviolet catalytic lamp, an installation frame and a photocatalyst coating net. The right outer wall of the partition plate 16 is installed with an ultraviolet catalytic lamp. There are multiple installation groups of ultraviolet catalytic lamps. An installation frame is arranged inside the photocatalytic sterilization chamber. The photocatalyst coating net is embedded in the inner wall of the installation frame, and the photocatalyst coating net is located on the right side of the ultraviolet catalytic lamp.

[0045] Furthermore, a primary filter unit 3 is provided to perform a primary filtration on the air to be purified entering the air inlet 14 to remove larger dust and other particles in the air to be purified, and the activated carbon plate adsorbs the odor in the gas. The air is detected for the first time through the sensor module 1 in the air inlet 14 to obtain the data for the primary analysis and transmit it to the control module 2. When the analysis result shows that the air contains dust particles and harmful gases, the electrostatic dust collection component receives the driving instruction and adjusts the power supply state of the power supply box to the electrostatic dust collection component according to the air level of the dust particles, ionizes and collects the fine particles in the air, and the air passing through the dust removal and filtration unit is subjected to a secondary detection by the sensor module 1 on the inner wall of a group of connecting ports on the left side to detect whether harmful gases remain in the air and the real-time concentrations of carbon dioxide and harmful gases, and the output driving instruction of the control module 2 is executed according to the detection results, the air is sterilized and disinfected by the ultraviolet lamp, and the air is sterilized and disinfected according to the air level. The sensor module 1 inside the right group of connecting ports detects the air for the third time to detect whether harmful gases remain in the air passing through the ultraviolet sterilization chamber and the real-time concentrations of carbon dioxide and harmful gases. The photocatalyst component is driven to sterilize and purify the air again according to the detection results, and the number of ultraviolet catalytic lamps in the photocatalyst component is selected according to the real-time air level. The negative oxygen ion replenishing unit 8 is driven to start according to the air level corresponding to the negative oxygen ion concentration to replenish negative oxygen ions into the purified air. The air purification module includes a dust removal and filtration unit, a sterilization and purification unit and a negative oxygen ion replenishing unit 8. The corresponding purification mode can be selected according to the actual data and real-time data of the air, and the purification modes can be used in combination to purify the air. The appropriate working mode of the purification mode is selected according to the air level. While achieving air purification, it also plays a role in energy saving and environmental protection.

[0046] See also Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7, an embodiment provided by the present invention: a multi-mode intelligent air purification system and device, the state self-check module includes an electrostatic dust removal sub-unit state detection unit 9, a photocatalytic sterilization sub-unit state detection unit and a prompt unit 12, the prompt unit 12 is used to warn according to the detection results of the electrostatic dust removal state detection unit and the photocatalytic sterilization sub-unit state detection unit, and the state self-check module is electrically connected to the control module 2, the prompt unit 12 is installed on the front of the purification box 13, the electrostatic dust removal sub-unit state detection unit 9 includes a current sensor, a mounting mesh plate and an electric field sensor, the current sensor is installed on the top of the support plate, and the current sensor is electrically connected to the power supply box, the current sensor is used to detect the current data in the circuit formed by the power supply box, the discharge electrode plate and the dust collecting electrode plate, and the outer wall of the mounting mesh plate is installed There is an electric field sensor, and the mounting mesh plate is located between the relatively arranged discharge electrode plate and the dust collecting electrode plate. The electric field sensor is used to detect the electric field strength between the discharge electrode plate and the dust collecting electrode plate. The photocatalytic sterilization subunit state detection unit is arranged in the photocatalytic sterilization chamber. The photocatalytic sterilization subunit state detection unit includes an infrared sensor 10 and a pressure sensor 11. The inner wall of the purification box 13 is installed with the infrared sensor 10, and the infrared sensor 10 is located between the photocatalyst coated mesh and the ultraviolet catalytic lamp. The inner wall of the mounting frame is embedded with the pressure sensor 11, and the pressure sensor 11 is in contact with the outer wall of the raised part of the right outer wall of the photocatalyst coated mesh. The inner wall of the mounting frame is embedded with a spring, and the spring is located on the outside of the pressure sensor 11, and the left end of the spring is in contact with the outer wall of the raised part of the right outer wall of the photocatalyst coated mesh.

[0047] Furthermore, by setting a current sensor to detect the current in the power supply box, the discharge electrode plate and the dust collecting plate circuit, it is determined whether the electrostatic dust collecting component is powered according to the driving instruction of the air module, and by using an electric field sensor to detect the electric field strength between the discharge electrode plate and the dust collecting plate, and analyze the change in the electric field strength to determine whether the circuit is normal and whether the discharge electrode plate and the dust collecting plate are in normal working condition. When the electrostatic dust collecting component is in normal condition, a prompt is given through the prompt unit 12. By setting an infrared sensor 10, the infrared thermal imaging technology is used to detect whether the nano-TiO2 catalyst on the surface of the photocatalyst coated net is in a catalyzed state to decompose harmful substances in the air, as well as the distribution of the catalyzed area of ​​the photocatalyst coated net. State, when the distribution state of the catalyzed area is uneven, the number and opening position of the ultraviolet catalytic lamps in the photocatalyst assembly are adjusted through the control module 2 to improve the uniformity of the distribution of the catalyzed area on the surface of the photocatalyst coated net, and more effectively purify the harmful gas substances in the air. By setting the pressure sensor 11, the pressure value applied by the photocatalyst coated net to the pressure sensor 11 is detected. Under the same working mode of the fan assembly 17, when the pressure sensor 11 detects data exceeding the maximum standard pressure value when the photocatalyst coated net is not blocked, it indicates that the mesh of the photocatalyst coated net is blocked, and a prompt is given through the prompt unit 12, which is conducive to maintaining the normal use of the air purification device and ensuring effective and sufficient purification of the air.

[0048] Working principle: The fan assembly 17 is started to drive the air flow, so that the air enters along the air inlet, and is purified by the air purification module in the purification box 13 and then discharged from the air outlet 15. When the purification box 13 purifies the air, the dust particles in the air are first filtered and the odor is adsorbed by the primary filter unit 3 and the odor adsorption unit 4 on the inner wall of the air inlet 14. The sensor module 1 in the air inlet 14 is used for initial detection to detect the concentration of various substances contained in the air after the primary filtration and adsorption, and obtain the analysis data. The air module analyzes and determines the substances and air level contained in the air to be purified according to the analysis data, selects or combines the corresponding air purification mode and the appropriate working mode of the purification mode according to the substances contained and the air level, and purifies the air. After purification in one mode, the substances and concentrations contained in the air are detected again to obtain real-time data, and the purification mode and the working mode of the purification mode are dynamically adjusted. The response state and working state of the air purification module are detected by the state self-check module to ensure that the air purification module operates correctly according to the driving instructions of the air module.

[0049] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A multi-mode intelligent air purification system, characterized in that: The multi-mode intelligent air purification system is applicable to a multi-mode intelligent air purification device. The multi-mode air purification system comprises a sensor module (1), a control module (2), an air purification module and a status self-checking module; The sensor module (1) is used to detect the concentration of dust, particulate matter and multiple harmful gases in the air to be purified and convert them into analysis data; the control module (2) is used to receive the analysis data and select a corresponding air purification method according to the analysis data; the air purification module is used to execute the driving instruction output by the control module (2) and purify the air to be purified by executing the corresponding air purification method; and the state self-check module is used to detect the response state and working state of the air purification module; The air purification module comprises a dust removal and filtration unit, a sterilization and purification unit and a negative oxygen ion supplement unit (8); The sterilization and purification unit comprises an ultraviolet sterilization subunit (6) and a photocatalytic sterilization subunit (7); The state self-check module comprises an electrostatic dust removal subunit state detection unit (9), a photocatalytic sterilization subunit state detection unit and a prompt unit (12); The electrostatic dust removal subunit state detection unit (9) comprises a current sensor, a mounting screen and an electric field sensor, and the photocatalytic sterilization subunit state detection unit comprises an infrared sensor (10) and a pressure sensor (11); The air purification device comprises a purification box (13), an air inlet (14) is arranged at the left end of the purification box (13), an air outlet (15) is arranged at the right end of the purification box (13), a support plate and a partition plate (16) are installed on the inner wall of the purification box (13), and the top of the partition plate (16) is connected to the bottom of the support plate, and the outer wall of the partition plate (16) is provided with a connecting port, and an electrostatic dust collection chamber, an ultraviolet sterilization chamber and a photocatalytic sterilization chamber are arranged in sequence from left to right in the purification box (13), and a dust removal and filtering unit, a sterilization and purification unit and a negative oxygen ion supplement unit (8) are arranged in sequence from left to right in the air inlet (14) and the purification box (13); The number of installation groups of the partition plates (16) is two, and the sensor modules (1) are sequentially arranged on the inner wall of the air inlet (14), the inner wall of the upper connecting port of a group of partition plates (16) on the left, and the inner wall of the upper connecting port of a group of partition plates (16) on the right.

2. A multi-mode intelligent air purification system according to claim 1, characterized in that: The sensor module (1) comprises an air quality sensing detection unit, a carbon dioxide concentration detection unit, a harmful gas concentration detection unit and a negative oxygen ion concentration detection unit, wherein the air quality detection unit is used to detect the concentration of dust and particulate matter in the air to be purified.

3. A multi-mode intelligent air purification system according to claim 1, characterized in that: The control module (2) comprises a data receiving and analyzing unit, a standard level setting unit, a purification mode selection and driving unit and a storage unit. The standard level setting unit is used to set the air level and the standard data range corresponding to the air level. The data receiving and analyzing unit is used to receive the analysis data output by the sensor module (1), determine the substances contained in the air according to the analysis data, and transmit the analysis data to the standard level setting unit to obtain the air level. The purification mode selection and driving unit is used to receive the judgment result of the substances contained in the air and the air level, select the corresponding air purification mode according to the received content, and output the driving instruction to the air purification module. The storage unit is used to store the output data and results of the data receiving and analyzing unit, the standard level setting unit and the purification mode selection and driving unit.

4. A multi-mode intelligent air purification system according to claim 1, characterized in that: The dust removal and filtration unit comprises a primary filter unit (3), an odor adsorption unit (4) and an electrostatic dust removal unit (5). The primary filter unit (3) performs primary filtration on particulate matter in the air by using a filter screen. The odor adsorption unit (4) adsorbs odor in the air by using an activated carbon plate. The electrostatic dust removal unit (5) ionizes and collects tiny particles in the air by using an electrostatic dust collection component. The electrostatic dust collection component comprises a power supply box, a discharge electrode plate and a dust collection electrode plate. The ultraviolet sterilization unit sterilizes and purifies harmful gas substances in the air by using an ultraviolet lamp. The photocatalytic sterilization unit sterilizes and purifies harmful gas substances in the air by using a photocatalyst component. The photocatalyst component comprises an ultraviolet catalytic lamp, a mounting frame and a photocatalyst coating net. The negative oxygen ion replenishment unit (8) is used to replenish negative oxygen ions into the purified air.

5. The multi-mode intelligent air purification system according to claim 1, characterized in that: The prompting unit (12) is used to issue a warning prompt based on the detection results of the electrostatic dust removal subunit state detection unit and the photocatalytic sterilization subunit state detection unit.

6. A multi-mode intelligent air purification system according to claim 1, characterized in that: The sensor module (1) is embedded in the air inlet (14) and the inner wall of the connecting port; the filter screen and the activated carbon plate are arranged on the inner wall of the air inlet (14), and the activated carbon plate is located between the filter screen and the sensor module (1); the electrostatic dust removal component and the electrostatic dust removal sub-unit state detection unit (9) are arranged inside the electrostatic dust collection chamber; the ultraviolet sterilization sub-unit (6) is arranged in the ultraviolet sterilization chamber; the photocatalytic sterilization sub-unit (7), the photocatalytic sterilization sub-unit state detection unit and the negative oxygen ion supplement unit (8) are arranged in the photocatalytic sterilization chamber; a fan component (17) is arranged in the photocatalytic sterilization chamber, and the fan component (17) is located between the photocatalytic sterilization sub-unit (7) and the negative oxygen ion supplement unit (8); a control module (2) is installed on the top of the support plate; and the prompt unit (12) is installed on the front of the purification box (13).

7. A multi-mode intelligent air purification system according to claim 6, characterized in that: A power supply box is installed on the top of the support plate, and the power supply box is electrically connected to the control module (2). The discharge electrode plate and the dust collecting electrode plate are arranged opposite to each other in the electrostatic dust collecting chamber. The power supply box is electrically connected to the discharge electrode plate and the dust collecting electrode plate through a connecting line. A current sensor is installed on the top of the support plate, and the current sensor is used to detect current data in a loop formed by the power supply box, the discharge electrode plate and the dust collecting electrode plate. An electric field sensor is installed on the outer wall of the mounting mesh plate, and the mounting mesh plate is located between the discharge electrode plate and the dust collecting electrode plate arranged opposite to each other.

8. A multi-mode intelligent air purification system according to claim 4, characterized in that: The ultraviolet catalytic lamp is mounted on the right outer wall of a right group of partition plates; an installation frame is provided inside the photocatalytic sterilization chamber; a photocatalyst coating net is embedded in the inner wall of the installation frame, and the photocatalyst coating net is located on the right side of the ultraviolet catalytic lamp; an infrared sensor (10) is installed on the inner wall of the purification box (13), and the infrared sensor (10) is located between the photocatalyst coating net and the ultraviolet catalytic lamp; a pressure sensor (11) is embedded in the inner wall of the installation frame, and the pressure sensor (11) is attached to the outer wall of the photocatalyst coating net.

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