Air purifying device, control method, air purifying apparatus, and control device

By acquiring the concentration of pollutants and relative humidity in the air, the working status of the plasma and negative ion generating components is determined, solving the problem of mutual interference between the negative ion and plasma working areas, and realizing precise control and improved safety of the air purification device.

CN119713477BActive Publication Date: 2025-12-26GD MIDEA AIR CONDITIONING EQUIP CO LTD +1
View PDF 3 Cites 0 Cited by

Patent Information

Application Number
CN202311275882.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-09-28
Publication Date
2025-12-26
Estimated Expiration
2043-09-28

AI Technical Summary

Technical Problem

In existing air purification devices, the negative ion working area and the plasma working area interfere with each other when purifying indoor air, failing to achieve the best purification effect, and cannot be precisely controlled according to the types of pollutants in different indoor environments.

Method used

By acquiring the concentration and relative humidity of pollutants in the air, the target operating state of the plasma generating component and the negative ion generating component can be determined, thereby precisely controlling the air purification device and improving the purification effect.

Benefits of technology

It achieves precise control of the air purification device, improves the purification effect, avoids energy waste, reduces the risk of arcing and sparking of the plasma generator, and improves the safety of the air purification device.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN119713477B_ABST
    Figure CN119713477B_ABST
Patent Text Reader

Abstract

The application discloses an air purification device, a control method, an air purification equipment and a control device. The application relates to the technical field of air purification, and the control method comprises the following steps: acquiring the pollutant concentration of pollutants in air and relative humidity; and determining target working states of an ion generation assembly and a negative ion generation assembly according to the pollutant concentration and the relative humidity. According to the application, the working states of the ion generation assembly and the negative ion generation assembly in the air purification device can be determined according to the pollutant concentration of pollutants in air and the relative humidity, so that the air purification device can be accurately controlled, and the air purification effect is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The present application relates to the field of air purification, and in particular to an air purification device, a control method, an air purification apparatus and a control device. BACKGROUND

[0002] At present, an air purification device can generate negative ions and plasma at the same time to purify indoor air. In the related art, the negative ion working area and the plasma working area of the air purification device work at the same time when purifying indoor air. There is more or less mutual interference between the negative ion electric field in the negative ion working area and the plasma electric field in the plasma working area, and it is difficult to achieve the best effect of each.

[0003] In this way, since the pollutants in different indoor environments are different, the negative ion working area and the plasma working area work at the same time and cannot achieve the best purification effect. SUMMARY

[0004] The present application provides an air purification device, a control method, an air purification apparatus and a control device, which can determine the working state of the plasma generating assembly and the negative ion generating assembly in the air purification device according to the pollutant concentration and relative humidity of the pollutants in the air, to accurately control the air purification device and improve the air purification effect.

[0005] To this end, in a first aspect, the present application provides an air purification control method applied to an air purification device including a plasma generating assembly and a negative ion generating assembly, and the control method includes:

[0006] obtaining the pollutant concentration and relative humidity of the pollutants in the air;

[0007] determining the target working state of the plasma generating assembly and the negative ion generating assembly according to the pollutant concentration and the relative humidity.

[0008] Compared with the related art, the air purification control method provided by the embodiments of the present application can accurately determine the components that need to work in the plasma generating assembly and the negative ion generating assembly under the current pollutant concentration and the current relative humidity by obtaining the pollutant concentration and the relative humidity of the pollutants in the air, thereby accurately controlling the air purification device and improving the air purification effect.

[0009] In an exemplary embodiment, the pollutants include gaseous pollutants and particulate pollutants;

[0010] determining the target working state of the plasma generating assembly and the negative ion generating assembly according to the pollutant concentration and the relative humidity, includes:

[0011] determine the target working state according to the gaseous pollutant concentration, the particulate pollutant concentration and the relative humidity.

[0012] In an exemplary embodiment, the determining the target working state according to the gaseous pollutant concentration, the particulate pollutant concentration and the relative humidity comprises:

[0013] determining a first over-standard result of the gaseous pollutant concentration according to the gaseous pollutant concentration and a first preset standard;

[0014] determining a second over-standard result of the particulate pollutant concentration according to the particulate pollutant concentration and a second preset standard;

[0015] determining a third over-standard result of the relative humidity according to the relative humidity and a third preset standard;

[0016] determining the target working state according to the first over-standard result, the second over-standard result and the third over-standard result.

[0017] In an exemplary embodiment, the determining the target working state according to the first over-standard result, the second over-standard result and the third over-standard result comprises:

[0018] determining the target working state as the plasma generating assembly working and the negative ion generating assembly not working based on the gaseous pollutant concentration over-standard, the particulate pollutant concentration not over-standard and the relative humidity not over-standard.

[0019] In an exemplary embodiment, the determining the target working state according to the first over-standard result, the second over-standard result and the third over-standard result comprises:

[0020] determining the target working state as the plasma generating assembly not working and the negative ion generating assembly working based on the gaseous pollutant concentration not over-standard and the particulate pollutant concentration over-standard; and / or

[0021] determining the target working state as the plasma generating assembly not working and the negative ion generating assembly working based on the gaseous pollutant concentration not over-standard and the relative humidity over-standard.

[0022] In an exemplary embodiment, the determining the target working state according to the first over-standard result, the second over-standard result and the third over-standard result comprises:

[0023] determining the target working state as the plasma generating assembly working and the negative ion generating assembly working based on the gaseous pollutant concentration over-standard, the particulate pollutant concentration over-standard and the relative humidity not over-standard.

[0024] In an exemplary embodiment, the gaseous pollutants include formaldehyde and volatile organic compounds, and the gaseous pollutant concentration includes a formaldehyde concentration and a volatile organic compound concentration;

[0025] The determining the first over-standard result of the gaseous pollutant concentration according to the gaseous pollutant concentration and a first preset standard comprises:

[0026] The first over-standard result is determined as over-standard based on that the formaldehyde concentration is greater than or equal to a first preset threshold value, and / or, the volatile organic compound concentration of the volatile organic compound is greater than or equal to a second preset threshold value.

[0027] In an exemplary embodiment, the particulate pollutants include first particulate pollutants with a particle size less than or equal to 2.5 microns and second particulate pollutants with a particle size less than or equal to 10 microns, and the particulate pollutant concentration includes a first particulate pollutant concentration and a second particulate pollutant concentration;

[0028] The determining the second over-standard result of the particulate pollutant concentration according to the particulate pollutant concentration and a second preset standard comprises:

[0029] The second over-standard result is determined as over-standard based on that the first particulate pollutant concentration is greater than or equal to a third preset threshold value, and / or, the second particulate pollutant concentration is greater than or equal to a fourth preset threshold value.

[0030] In an exemplary embodiment, the determining the third over-standard result of the relative humidity according to the relative humidity and a third preset standard comprises:

[0031] The third over-standard result is determined as over-standard based on that the relative humidity is greater than or equal to the third preset standard.

[0032] In an exemplary embodiment, the generator assembly further comprises a power supply assembly electrically connected to the plasma generator assembly and the negative ion generator assembly.

[0033] The control method further comprises: turning on and off the power supply of the plasma generator assembly and the negative ion generator assembly to achieve the target working state.

[0034] Further, in a second aspect, the present application provides an air purification device, which comprises:

[0035] A generator assembly comprising a negative ion generator assembly and a plasma generator assembly.

[0036] A power supply component is electrically connected to the negative ion generating component and the plasma generating component respectively, and is used to supply power to the negative ion generating component and the plasma generating component;

[0037] The controller is configured to perform the control method as described in the first aspect.

[0038] Furthermore, in a third aspect, this application provides an air handling device, including the air purification apparatus as described in the second aspect.

[0039] Furthermore, in a fourth aspect, this application provides an air purification control device, including a processor and a memory storing a computer program, wherein the processor executes the computer program to implement the control method described in the first aspect.

[0040] Other features and advantages of this application will be set forth in the following description, and will be apparent in part from the description, or may be learned by practicing the application. Other advantages of this application can be realized and obtained by means of the solutions described in the description and the accompanying drawings. Attached Figure Description

[0041] The accompanying drawings are used to provide an understanding of the technical solutions of this application and constitute a part of the specification. They are used together with the embodiments of this application to explain the technical solutions of this application and do not constitute a limitation on the technical solutions of this application.

[0042] Figure 1 A flowchart of an air purification control method provided in this application embodiment;

[0043] Figure 2 This is a schematic diagram of the structure of a generator assembly provided in an embodiment of this application;

[0044] Figure 3 This is a schematic diagram of the structure of a power supply component provided in an embodiment of this application;

[0045] Figure 4 A flowchart of yet another air purification control method provided in the embodiments of this application;

[0046] Figure 5 This is a schematic diagram of the structure of an air purification device provided in an embodiment of this application.

[0047] Explanation of reference numerals in the attached figures:

[0048] 1. First discharge electrode; 2. Second discharge electrode; 3. Third discharge electrode; 4. Base; 5. Ion ejection port; 6. Protective cover; 7. High voltage output line; 8. Low voltage input line; 9. Signal input line; 10. High voltage transformer. Detailed Implementation

[0049] The present application describes a number of embodiments, but the description is exemplary rather than limiting and it will be apparent to those of ordinary skill in the art that numerous embodiments and implementations can be made without departing from the scope of the embodiments described in the present application. Although many possible combinations of features are shown in the drawings and discussed in the specific embodiments, many other combinations of the disclosed features are possible. Unless specifically intended otherwise, any feature or element of any embodiment can be used in combination with any other feature or element of any other embodiment, or in replacement of any other feature or element in any other embodiment.

[0050] The present application includes and contemplates combinations of features and elements known to those of ordinary skill in the art. The embodiments, features and elements disclosed herein can also be combined with any conventional features or elements to form a unique application of the presently claimed application that is not specifically disclosed. Any feature or element of any embodiment can also be combined with features or elements from other applications to form another unique application of the presently claimed application that is not specifically disclosed. Thus, it should be understood that any feature shown and / or discussed in the present application can be implemented alone or in any suitable combination. Accordingly, the embodiments are not to be restricted, except as by the appended claims and their equivalents. Furthermore, various modifications and changes can be made within the scope of the appended claims.

[0051] Furthermore, in describing representative embodiments, the specification can have presented the method and / or process as a particular sequence of steps. However, to the extent that the method or process depends on the particular order of steps, this description should not be construed as limiting unless specifically so stated. Other steps can be performed in between described steps without departing from the spirit of the application. For instance, it is possible that data was processed by additional steps not mentioned in the above description of the method and / or process. Thus, the specific order of steps recited in the specification is not an inherent part of the embodiments. The methods and processes described herein are also not limited to the specific recited order of steps unless specifically stated as such. Furthermore, the claims can not be limited to the specific recited steps of the method and / or process, as the skilled artisan can readily appreciate that the order of steps can vary without changing the spirit or scope of the application.

[0052] Currently, when purifying indoor air, an air purification device capable of generating negative ions and plasma is usually used. However, when the air purification device purifies indoor air, the negative ion working area and the plasma working area work at the same time. However, the types of pollutants in the air in the indoor environment are different in different seasons, different regions, and different occasions. The negative ion working area and the plasma working area work at the same time and cannot achieve the best purification effect. For example, when the particle pollutants in the indoor environment exceed the standard, the negative ions need to play a coagulation and sedimentation role to remove the particulate matter in the air. At this time, the plasma cannot play a role in air purification. For example, when aldehyde, amine and other odor molecules are generated in the indoor environment, the plasma needs to play a role to decompose the odor molecules and remove the odor. At this time, only the negative ions cannot play a role in air purification. It can be understood that the negative ion working area and the plasma working area work at the same time and cannot achieve the best purification effect.

[0053] In a first aspect, the embodiments of the present application provide an air purification control method, applied to an air purification device including a plasma generating assembly and a negative ion generating assembly. The specific steps are shown in 1. The control method includes:

[0054] In S101, the controller obtains the pollutant concentration and the relative humidity of the pollutants in the air.

[0055] In this embodiment, first, the sensor group of the air purification device detects the pollutants in the air and the humidity of the air. The controller receives the pollutant concentration and the relative humidity detected by the sensor group to determine the pollutant concentration and the relative humidity.

[0056] In one example, the sensor group in this embodiment can include a gas sensor, a particulate matter sensor, and a humidity sensor.

[0057] In S102, the controller determines the target working state of the plasma generating assembly and the negative ion generating assembly according to the pollutant concentration and the relative humidity.

[0058] In this embodiment, after determining the pollutant concentration and the relative humidity in the air, the controller can determine the pollution state of the air according to the pollutant concentration and the relative humidity, and can determine the assembly that needs to work in the plasma generating assembly and the negative ion generating assembly according to the pollution state of the air. Thus, the working state of the plasma generating assembly and the negative ion generating assembly can be determined, and the air purification device can be accurately controlled according to the working state of the plasma generating assembly and the negative ion generating assembly. In this embodiment, the plasma generating assembly is used to generate plasma to purify the particulate pollutants in the air, and the negative ion generating assembly is used to generate negative ions to purify the gaseous pollutants in the air.

[0059] The air purification control method provided by the embodiment of the present application can accurately determine the components that need to work of the plasma generating assembly and the negative ion generating assembly under the condition of the current pollutant concentration and the current relative humidity of the pollutants in the air, and then accurately determine the working state of the plasma generating assembly and the negative ion generating assembly, so as to realize accurate control of the air purification device, improve the air purification effect, and at the same time, through the accurate control of the air purification device, avoid the situation that the plasma generating assembly or the negative ion generating assembly cannot purify the air when working, and reduce energy consumption.

[0060] In an exemplary embodiment, referring to Figure 2 The second discharge electrode 2 and the third discharge electrode 3 in the embodiment can form a strong electric field by the voltage difference between the second discharge electrode 2 and the third discharge electrode 3, so as to generate plasma. Specifically, the second discharge electrode 2 and the third discharge electrode 3 in the embodiment can be made of stainless steel, copper, aluminum, tungsten or molybdenum. The shape of the second discharge electrode 2 can be sawtooth-shaped, needle-shaped or conical, and the shape of the third discharge electrode 3 can be plate-shaped with multiple holes in the middle, metal strip-shaped or metal wire-shaped, wherein the shape of the holes can be circular, square or hexagonal. Specifically, the plasma in the embodiment enters the air through the ion ejection hole 5.

[0061] The negative ion generating assembly in the embodiment can include a first discharge electrode 1 fixed on the base. The first discharge electrode 1 can be provided in multiple numbers, for example, two. The two first discharge electrodes 1 can be symmetrically distributed on both sides of the plasma generating assembly, or can be arranged at intervals on one side of the plasma generating assembly. Specifically, the first discharge electrode 1 can be made of carbon fiber bundle, stainless steel, copper, tungsten or molybdenum, and the shape of the first discharge electrode 1 can be brush-shaped, needle-shaped or sawtooth-shaped.

[0062] In an exemplary embodiment, S102 can include the following steps:

[0063] S1021, the controller determines the target working state according to the gaseous pollutant concentration, the particulate pollutant concentration and the relative humidity.

[0064] In the embodiment, when determining the target working state of the air purification device, the controller acquires the gaseous pollutant concentration and the particulate pollutant concentration in the pollutant concentration, so that the gaseous pollutant concentration, the particulate pollutant concentration and the relative humidity are used to determine the pollutants in the air that need to be purified, so that the components that need to work in the plasma generating assembly and the negative ion generating assembly can be accurately determined according to the pollutants that need to be purified, so as to determine the target state of the plasma generating assembly and the negative ion assembly, and then the air purification device can be accurately controlled, and the air purification effect is improved. The pollutants in the embodiment can include gaseous pollutants and particulate pollutants.

[0065] In one exemplary embodiment, S1021 can include the following steps:

[0066] S10211, the controller determines a first over-standard result of the gaseous pollutant concentration according to the gaseous pollutant concentration and a first preset standard.

[0067] In the embodiment, after determining the gaseous pollutant concentration, the controller compares the gaseous pollutant concentration with the first preset standard to determine whether the gaseous pollutant concentration is over-standard, so as to determine the first over-standard result. The first over-standard result includes over-standard and non-over-standard. In the case of over-standard, it is determined that the gaseous pollutant needs to be purified. In the case of non-over-standard, it is determined that the gaseous pollutant does not need to be purified.

[0068] S10212, the controller determines a second over-standard result of the particulate pollutant concentration according to the particulate pollutant concentration and a second preset standard.

[0069] In the embodiment, after determining the particulate pollutant concentration, the controller compares the particulate pollutant concentration with the second preset standard to determine whether the particulate pollutant concentration is over-standard, so as to determine the second over-standard result. The second over-standard result includes over-standard and non-over-standard. In the case of over-standard, it is determined that the particulate pollutant needs to be purified. In the case of non-over-standard, it is determined that the particulate pollutant does not need to be purified.

[0070] S10213, the controller determines a third over-standard result of the relative humidity according to the relative humidity and a third preset standard.

[0071] In the embodiment, after the relative humidity is determined, the relative humidity is compared with the third preset standard to determine whether the relative humidity is over the standard, so as to determine a third over-standard result, wherein the third over-standard result includes over-standard and non-over-standard, in the case that the third over-standard result is over-standard, it is further determined that there is a risk of arc striking between the discharge electrodes of the plasma generating assembly when the plasma generating assembly is working, and in the case that the first over-standard result is non-over-standard, it is further determined that the plasma generating assembly can work normally.

[0072] S10214, the controller determines the target working state according to the first over-standard result, the second over-standard result and the third over-standard result.

[0073] In the embodiment, after the first over-standard result, the second over-standard result and the third over-standard result are determined, the controller determines the target working state according to the first over-standard result, the second over-standard result and the third over-standard result.

[0074] Specifically, in the case that the gaseous pollutant concentration is over the standard, the particulate pollutant concentration is non-over-standard and the relative humidity is non-over-standard, it is determined that the gaseous pollutant needs to be purified, the particulate pollutant does not need to be purified, and the plasma generating assembly can work normally, so that the target working state is determined as that the plasma generating assembly works and the negative ion generating assembly does not work.

[0075] In the case that the gaseous pollutant concentration is non-over-standard and the particulate pollutant concentration is over the standard, and / or, the gaseous pollutant concentration is non-over-standard and the relative humidity is over the standard, it is determined that the particulate pollutant needs to be purified, and there is a risk of arc striking when the plasma generating assembly works, so that the target working state is determined as that the plasma generating assembly does not work and the negative ion generating assembly works.

[0076] In the case that the gaseous pollutant concentration is over the standard and the particulate pollutant concentration is over the standard, and the relative humidity is non-over-standard, it is determined that the gaseous pollutant needs to be purified, and the plasma generating assembly can work normally, so that the target working state is determined as that the plasma generating assembly works and the negative ion generating assembly works.

[0077] The embodiments of the application can accurately determine the pollution of air and the working environment of the plasma generating assembly by using the gaseous pollutant concentration, the particulate pollutant concentration and the relative humidity, and then can determine the component that needs to work in the plasma generating assembly and the negative ion generating assembly according to the pollution of air and the working environment of the plasma generating assembly, so as to accurately control the air purification device, and meanwhile, by determining the working environment of the plasma generating assembly, the risk of arc striking of the plasma generating assembly when working can be effectively avoided, and the safety of the air purification device is provided.

[0078] In an exemplary embodiment, S10211 can include the following steps:

[0079] S102111, the controller determines that the first exceeding result is exceeding based on that the formaldehyde concentration is greater than or equal to the first preset threshold value, or the volatile organic matter concentration of the volatile organic matter is greater than or equal to the second preset threshold value.

[0080] In the embodiment, the formaldehyde concentration of the formaldehyde in the gaseous pollutant concentration and the volatile organic matter concentration of the volatile organic matter are obtained, the formaldehyde concentration is compared with the first preset threshold value, the volatile organic matter concentration is compared with the second preset threshold value, in the case that the formaldehyde concentration is greater than or equal to the first preset threshold value and the volatile organic matter concentration is greater than or equal to the second preset threshold value, it is determined that the first exceeding result is exceeding, in the case that the formaldehyde concentration is greater than or equal to the first preset threshold value or the volatile organic matter concentration is greater than or equal to the second preset threshold value, it is determined that the first exceeding result is exceeding, in the case that the formaldehyde concentration is less than the first preset threshold value and the volatile organic matter concentration is less than the second preset threshold value, it is determined that the first exceeding result is not exceeding. Wherein, the gaseous pollutant in the embodiment can include formaldehyde and volatile organic matter, and the first preset standard can include the first preset threshold value and the second preset threshold value.

[0081] In an exemplary embodiment, S10212 can include the following steps:

[0082] S102121, the controller determines that the second exceeding result is exceeding based on that the first particulate pollutant concentration is greater than or equal to the third preset threshold value, and / or, the second particulate pollutant concentration is greater than or equal to the fourth preset threshold value.

[0083] In the embodiment, the controller obtains the first particulate pollutant concentration of the first particulate pollutant and the second particulate pollutant concentration of the second particulate pollutant, compares the first particulate pollutant concentration with the third preset threshold value, compares the second particulate pollutant concentration with the fourth preset threshold value, in the case that the first particulate pollutant concentration is greater than or equal to the third preset threshold value and the second particulate pollutant concentration is greater than or equal to the fourth preset threshold value, it is determined that the second exceeding result is exceeding, in the case that the first particulate pollutant concentration is greater than or equal to the third preset threshold value or the second particulate pollutant concentration is greater than or equal to the fourth preset threshold value, it is determined that the second exceeding result is exceeding, in the case that the first particulate pollutant concentration is less than the third preset threshold value and the second particulate pollutant concentration is less than the fourth preset threshold value, it is determined that the second exceeding result is not exceeding. Wherein, the particulate matter pollutant can include the first particulate pollutant with a particle size less than or equal to 2.5 microns and the second particulate pollutant with a particle size less than or equal to 10 microns, and the second preset standard can include the third preset threshold value and the fourth preset threshold value.

[0084] In an exemplary embodiment, S10213 can include the following steps:

[0085] S102131, the controller determines that the third over-standard result is over-standard based on the relative humidity being greater than or equal to a third preset standard.

[0086] In this embodiment, the controller compares the obtained relative humidity with the third preset standard, and determines that the third over-standard result is over-standard when the relative humidity is greater than or equal to the third preset standard, and determines that the third over-standard result is not over-standard when the relative humidity is less than the third preset standard.

[0087] In an exemplary embodiment, the first preset threshold in this embodiment can be 0.07-0.1 mg / m2, specifically 0.08 mg / m2, the second preset threshold can be 0.5-0.8 mg / m2, specifically 0.5 mg / m2, the third preset threshold can be 0.04-0.06 mg / m2, specifically 0.06 mg / m2, the fourth preset threshold can be 0.8-0.11 mg / m2, specifically 0.1 mg / m2, and the third preset standard can be a relative humidity of 80-93%, specifically 90%.

[0088] In an exemplary embodiment, the air purification device of the embodiment of the present application can further include a power supply assembly electrically connected to the plasma generating assembly and the negative ion generating assembly, and the air purification control method can further include the following steps:

[0089] S103, achieving the target working state by turning on and off the power supply of the plasma generating assembly and the negative ion generating assembly.

[0090] In this embodiment, after determining the target working state of the plasma generating assembly and the negative ion generating assembly, the working state of the plasma generating assembly and the negative ion generating assembly is switched by turning on and off the power supply of the plasma generating assembly and the negative ion generating assembly, and then the working state of the plasma generating assembly and the negative ion generating assembly is adjusted to the target working state. For example, when the plasma generating assembly works in the target working state, the power supply of the plasma generating assembly is turned on, and when the plasma generating assembly does not work in the target working state, the power supply of the plasma generating assembly is turned off.

[0091] In an exemplary embodiment, please refer to Figure 3As shown, a structure schematic diagram of a power supply assembly provided by the embodiment of the present application is shown, wherein the power supply assembly of the embodiment can include a high-voltage pack 10, a low-voltage input circuit 8, and a high-voltage output circuit 7. Specifically, the low-voltage input circuit 8 includes a positive low-voltage input line 81, a negative low-voltage input line 82, and a ground input line 83, and the ground input line 83 can be provided to prevent static electricity accumulation of the power supply assembly. The high-voltage pack can internally include a transformer, a rectifier, and a control system, and the input low-voltage electricity is converted into high-voltage electricity output through a preset circuit logic, and the high-voltage electricity is supplied to the discharge electrode through the high-voltage output line. The high-voltage output circuit 7 includes a first high-voltage output line 71, a second high-voltage output line 72, and a ground output line 73. Specifically, the first high-voltage output line 71 is connected to the first discharge electrode 1 to supply power to the discharge electrode of the negative ion generating assembly. The first high-voltage output line 71 can output negative high-voltage to the first discharge electrode 1 to make the first discharge electrode 1 release negative ions. The second high-voltage output line 72 is connected to the second discharge electrode 2, and the ground output line 73 is connected to the third discharge electrode 3 to supply power to the discharge electrode of the plasma generating assembly. The second high-voltage output line 72 and the ground output line 73 can load a high-voltage electric field between the second discharge electrode 2 and the third discharge electrode 3 to make the air between the second discharge electrode 2 and the third discharge electrode 3 be ionized to generate plasma.

[0092] Further, the embodiment of the present application further provides another air purification control method, and the specific steps are as shown in Figure 4 As shown, the method comprises the following steps.

[0093] The concentration of pollutants in the air and the relative humidity of the air are obtained, the concentration of formaldehyde, the concentration of volatile organic compounds, the concentration of the first particulate pollutants, and the concentration of the second particulate pollutants are obtained from the pollutants, the concentration of formaldehyde is compared with the first preset threshold, the concentration of volatile organic compounds is compared with the second preset threshold, the first exceeding result is determined, the concentration of the first particulate pollutants is compared with the third preset threshold, the concentration of the second particulate pollutants is compared with the fourth preset threshold, and the second exceeding result is determined. The relative humidity is compared with the third preset standard to determine the third exceeding result.

[0094] In the case that the concentration of formaldehyde is greater than or equal to the first preset threshold, and / or the concentration of volatile organic compounds is greater than or equal to the second preset threshold, the first exceeding result is determined to be exceeding. In the case that the concentration of the first particulate pollutants is greater than or equal to the third preset threshold, and / or the concentration of the second particulate pollutants is greater than or equal to the fourth preset threshold, the second exceeding result is determined to be exceeding. In the case that the relative humidity is greater than or equal to the third preset standard, the third exceeding result is determined to be exceeding.

[0095] In the case that the concentration of gaseous pollutants exceeds the standard, the concentration of particulate pollutants does not exceed the standard, and the relative humidity does not exceed the standard, the target working state of the air purification device is determined to be that the plasma generating assembly works and the negative ion generating assembly does not work.

[0096] In the case that the concentration of gaseous pollutants does not exceed the standard and the concentration of particulate pollutants exceeds the standard, the target working state determined is that the plasma generating assembly does not work and the negative ion generating assembly works; and / or in the case that the concentration of gaseous pollutants does not exceed the standard and the relative humidity exceeds the standard, the target working state determined is that the plasma generating assembly does not work and the negative ion generating assembly works.

[0097] In the case that the concentration of gaseous pollutants exceeds the standard and the concentration of particulate pollutants exceeds the standard, the relative humidity does not exceed the standard, the target working state determined is that the plasma generating assembly works and the negative ion generating assembly works.

[0098] Further, according to the determined target working state, the power supply of the plasma generating assembly and the negative ion generating assembly is turned on and turned off, so as to adjust the working state of the air purification device to the target working state.

[0099] Further, please refer to Figure 5 Fig. 1 shows a structural schematic diagram of an air purification device provided by an embodiment of the present application. The air purification device can include:

[0100] a generator assembly including a negative ion generating assembly and a plasma generating assembly;

[0101] a power supply assembly electrically connected to the negative ion generating assembly and the plasma generating assembly respectively, for supplying power to the negative ion generating assembly and the plasma generating assembly;

[0102] a controller configured to execute an air purification control method.

[0103] In an exemplary embodiment, please continue to refer to Figure 5 Fig. 2 shows that the air purification device in the embodiment can further include a protective cover 6. The protective cover 6 can be a hollow shell structure, and the protective cover 6 covers the base. The top wall and / or the side wall of the protective cover 6 are provided with ion ejection holes 5. The protective cover 6 can prevent people from being electrocuted by contacting the discharge electrode, and also can prevent people from being injured by the second discharge electrode 2.

[0104] In an example embodiment, the controller of the present embodiment can include a first controller and a second controller. The power supply assembly further includes a signal input line 9. The signal input line 9 is connected to the first controller and the second controller respectively. The signal input line 9 can transmit signals between the first controller and the second controller. The first controller is configured in the generator assembly, and the second controller is configured in the power supply assembly, and the first controller and the second controller are electrically connected. In the execution of the air purification control method, the first controller can obtain the pollutant concentration and the relative humidity, determine the target working state, and generate a control instruction according to the target working state, and send the control instruction to the second controller. The second controller controls the power supply of the plasma generator assembly and the negative ion generator assembly according to the control instruction. The second controller can also obtain the pollutant concentration and the relative humidity, determine the target working state, and control the power supply of the plasma generator assembly and the negative ion generator assembly according to the determined target working state.

[0105] The present embodiment provides an air treatment device which can intake and exhaust air, and the air treatment device is not limited in air treatment function, for example, at least one of temperature adjustment, humidification, purification, circulation and other treatment functions can be performed on air. The air treatment device includes but is not limited to an air conditioner, and the air treatment device can also be a purifier, a humidifier, a fan, etc. After the specific type of the air treatment device is determined, those skilled in the art can know the composition of the air treatment device to realize the air treatment function, which will not be described here.

[0106] The air treatment device includes a housing, a fan and an air purification device. The housing is provided with an air inlet, an air outlet and an air duct. The air duct is connected to the air inlet and the air outlet respectively. The fan is arranged in the air duct. The fan can be a cross-flow fan or a centrifugal fan. The fan can drive the air in the air duct to move from the air inlet to the air outlet after starting, so that the air inlet sucks the air in the surrounding environment into the air duct, and the air is discharged from the air outlet to the surrounding environment after flowing through the air duct. The air purification device is arranged in the air inlet or the air duct.

[0107] Further, the present embodiment provides an air purification control device, which includes a processor and a memory storing a computer program. The processor executes the computer program to realize the air purification control method in the present embodiment.

[0108] Those of ordinary skill in the art will realize and understand that all or some of the steps in the methods disclosed above and the functional modules / units in the systems and devices can be implemented as software, firmware, hardware, and appropriate combinations thereof. In hardware implementation, the division between the functional modules / units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component can have multiple functions, or one function or step can be performed by several physical components in cooperation. Some or all of the components can be implemented as software executed by a processor, such as 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 computer-readable media, which can include computer storage media (or non-transitory media) and communication media (or transitory media). As is well 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, data structures, program modules or other data. Computer storage media includes, but is 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 tape, magnetic disk storage or other magnetic storage devices, or any other medium that can be used to store the desired information and that can be accessed by a computer. Furthermore, it is common and well understood by those of ordinary skill in the art that communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and can include any information delivery media.

Claims

1. An air purification control method characterized by, The control method is applied to an air purification device including a plasma generating assembly and a negative ion generating assembly, and comprises: obtaining a pollutant concentration of a pollutant in air and a relative humidity; wherein the pollutant includes gaseous pollutants and particulate pollutants; determining a target working state of the plasma generating assembly and the negative ion generating assembly according to the gaseous pollutant concentration, the particulate pollutant concentration and the relative humidity; determining that the target working state is that the plasma generating assembly works and the negative ion generating assembly does not work based on that the gaseous pollutant concentration is over standard, the particulate pollutant concentration is not over standard and the relative humidity is not over standard; determining that the target working state is that the plasma generating assembly does not work and the negative ion generating assembly works based on that the gaseous pollutant concentration is not over standard and the particulate pollutant concentration is over standard, and / or the gaseous pollutant concentration is not over standard and the relative humidity is over standard.

2. The air purification control method according to claim 1, characterized by, The determination of the target working state according to the gaseous pollutant concentration, the particulate pollutant concentration and the relative humidity comprises: determining a first over-standard result of the gaseous pollutant concentration according to the gaseous pollutant concentration and a first preset standard; determining a second over-standard result of the particulate pollutant concentration according to the particulate pollutant concentration and a second preset standard; determining a third over-standard result of the relative humidity according to the relative humidity and a third preset standard; determining the target working state according to the first over-standard result, the second over-standard result and the third over-standard result.

3. The air purification control method according to claim 2, wherein The determination of the target working state according to the first over-standard result, the second over-standard result and the third over-standard result comprises: determining that the target working state is that the plasma generating assembly works and the negative ion generating assembly works based on that the gaseous pollutant concentration is over standard and the particulate pollutant concentration is over standard and the relative humidity is not over standard.

4. The air purification control method according to claim 2, wherein The gaseous pollutant includes formaldehyde and volatile organic compounds, and the gaseous pollutant concentration includes a formaldehyde concentration and a volatile organic compound concentration; The determination of the first over-standard result of the gaseous pollutant concentration according to the gaseous pollutant concentration and a first preset standard comprises: determining that the first over-standard result is over standard based on that the formaldehyde concentration is greater than or equal to a first preset threshold value and / or the volatile organic compound concentration of the volatile organic compound is greater than or equal to a second preset threshold value.

5. The air purification control method according to claim 2, wherein The particulate pollutant includes first particulate pollutants with a particle size less than or equal to 2.5 microns and second particulate pollutants with a particle size less than or equal to 10 microns, and the particulate pollutant concentration includes a first particulate pollutant concentration and a second particulate pollutant concentration; The determination of the second over-standard result of the particulate pollutant concentration according to the particulate pollutant concentration and a second preset standard comprises: determining that the second over-standard result is over standard based on that the first particulate pollutant concentration is greater than or equal to a third preset threshold value and / or the second particulate pollutant concentration is greater than or equal to a fourth preset threshold value.

6. The air purification control method according to claim 2, wherein The determination of the third over-standard result of the relative humidity according to the relative humidity and a third preset standard comprises: Based on the relative humidity being greater than or equal to the third preset standard, the third over-standard result is determined as over-standard.

7. The control method according to claim 1, characterized by, The air purification device further comprises a power supply assembly electrically connected to the plasma generating assembly and the negative ion generating assembly. The control method further comprises: turning on and off the power supply of the plasma generating assembly and the negative ion generating assembly to achieve the target working state.

8. An air purification device, characterized by, The air purification device comprises: a generator assembly comprising a negative ion generating assembly and a plasma generating assembly; a power supply assembly electrically connected to the negative ion generating assembly and the plasma generating assembly respectively for supplying power to the negative ion generating assembly and the plasma generating assembly; a controller configured to execute the control method according to any one of claims 1 to 7.

9. An air treatment device, characterized in that The air purification device according to claim 8.

10. An air purification control device, characterized by, A processor and a memory storing a computer program, wherein the processor executes the computer program to implement the control method according to any one of claims 1 to 7.

Citation Information

Patent Citations

  • Method and device for indoor air purification

    CN104949233A

  • Complementary plasma generation circuit, control method and plasma generator

    CN110944442A

  • Equal-negative-ion air purification device

    CN215412375U