Air purification fan control system and air purification fan

Abstract

The invention relates to an air purification fan control system and an air purification fan, and belongs to the technical field of air purifiers, the air purification fan control system comprises an air purifier body, an environment monitoring module and a control module, and the control module is electrically connected with the air purifier body and the environment monitoring module; the environment monitoring module is used for obtaining season data, the control module improves the humidification power of the air purifier body in spring and autumn, and the control module reduces the humidification power of the air purifier body in summer and winter; the environment monitoring module is arranged to obtain the season data, intelligent adjustment of the humidification power is executed in different seasons, and the adjustment accuracy of the humidification effect is improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of air purifiers, and in particular relates to an air purifying fan control system and an air purifying fan. Background Art

[0002] As people's requirements for quality of life increase, the pursuit of indoor air quality has been formally raised. For this reason, people have invented air purification fans for indoor air purification and humidification. Air purification fans are usually controlled by at least one circuit board to instruct the operation of the fan and humidifier of the air purification fan.

[0003] A general air purification fan, for example, an intelligent humidification purification circulation air purifier disclosed in Chinese patent CN115013927B, includes an L-shaped support frame, wherein two L-shaped support frames are provided, and the two L-shaped support frames are symmetrically arranged on the left and right, and the opposite ends of the two L-shaped support frames are provided with slide grooves, and the upper end of the right L-shaped support frame is fixedly installed with a forward and reverse motor, and the output end of the forward and reverse motor is fixedly installed with an adjusting screw, and the adjusting screw is movably installed with the slide groove through a bearing, and a support rod is fixedly installed in the slide groove on the right side, and a purifier body is slidably installed between the two slide grooves, and the left side of the purifier body is slidably installed with the support rod, and the right side of the purifier body is threadedly connected with the adjusting screw. The intelligent humidification purification circulation air purifier described in the present invention is a comprehensive intelligent machine integrating air purification, humidification, circulation, and air supply. One machine meets multiple needs, can be used in all seasons, is easy to move, has strong flexibility, and can be promoted for use;

[0004] However, although the above-mentioned air purification fan can automatically analyze PM2.5, temperature, humidity and other data through an air detector by a microcomputer, it does not adjust the humidification power in real time according to the analysis results. When the power of the fan and the humidifier is maintained at a fixed value, when it is in a period of time with more dry weather such as summer or autumn, the humidification power of the humidifier is likely to be less than the required power, and the humidification effect will be insufficient. When it is in a period of time with more humid weather such as spring and winter, the humidification power of the humidifier is likely to be greater than the required power, and the humidification effect will be excessive, and the indoor temperature will be too humid. Therefore, an air purification fan control system and an air purification fan with high humidification effect adjustment accuracy are needed. Summary of the invention

[0005] In order to solve the above problems existing in the prior art, the present invention provides an air purification fan control system and an air purification fan, which have the characteristics of high humidification effect adjustment accuracy.

[0006] The purpose of the present invention can be achieved through the following technical solutions:

[0007] An air purification fan control system and an air purification fan, comprising an air purifier body, an environment monitoring module and a control module, wherein the control module is electrically connected to the air purifier body and the environment monitoring module respectively;

[0008] The environment monitoring module is used to obtain seasonal data, the control module increases the humidification power of the air purifier body in spring and autumn, and the control module reduces the humidification power of the air purifier body in summer and winter.

[0009] As a preferred technical solution of the present invention, the control module is pre-input with a standard humidification power P0, and the control module instructs the humidifier to adjust its power to P, where P = [(0.015t-2.7)^2 / 2+3]×P0, and t is the number of days that have passed in the year.

[0010] As a preferred technical solution of the present invention, the environmental monitoring module is also used to obtain the humidity rise rate in the room. The control module corrects the humidification power downward when the humidity rise rate exceeds a threshold, and the control module corrects the humidification power upward when the humidity rise rate is lower than a threshold.

[0011] As a preferred technical solution of the present invention, the control module is pre-input with a standard value A0 of the humidity rise rate, and the environmental monitoring module is also used to obtain the humidity rise rate A in the room. The control module instructs the power of the humidifier to be adjusted to P×A1, wherein A1=A / A0×c, and c is a pre-input constant.

[0012] As a preferred technical solution of the present invention, the environmental monitoring module is used to obtain the room area, the control module reduces the humidification atomization particle size when the room area is greater than the threshold, and the control module increases the humidification atomization particle size when the room area is less than the threshold.

[0013] As a preferred technical solution of the present invention, the environmental monitoring module is used to obtain the room area M, the control module is pre-input with the room area standard value M0, and the control module corrects the size of the atomized particles to A2 times the initial value, where A2 = M / M0×d, d is a pre-input constant.

[0014] As a preferred technical solution of the present invention, it also includes a control panel, and the control panel is used to input the values ​​of M0, d, A0 and c.

[0015] The present invention also provides an air purification fan, which is applicable to the above-mentioned air purification fan control system, and is characterized in that: the fan is arranged in the air purifier body, and the fan is electrically connected to the control module.

[0016] The beneficial effects of the present invention are:

[0017] (1) By using the environment monitoring module to obtain seasonal data, the control module increases the humidification power of the air purifier body in spring and autumn, and reduces the humidification power of the air purifier body in summer and winter, thereby preventing excessive humidification when there is more precipitation in summer and autumn, and ensuring the humidification effect when there is less precipitation in spring and winter;

[0018] (2) By enabling the control module to obtain the humidity increase rate in the room, the humidification power is corrected downward when the humidity increase rate exceeds a threshold, and the humidification power is corrected upward when the humidity increase rate is lower than the threshold, so as to increase the humidification power when there is a large humidification space to ensure the humidification effect and prevent over-humidification when the humidification tends to be saturated;

[0019] (3) By enabling the environmental monitoring module to obtain the room area and increase the volume of atomized particles when the room area is large, and reduce the volume of atomized particles when the room area is small, when the room area is large, there is a probability that the atomized water particles will evaporate before drifting to the edge of the room, thereby ensuring the distribution of the atomized water particles. When the room area is small, there is no need for larger atomized water particles, thereby ensuring the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to facilitate understanding by those skilled in the art, the present invention is further described below with reference to the accompanying drawings.

[0021] Figure 1 It is a structural schematic diagram of the present invention;

[0022] Figure 2 It is a schematic diagram of the explosion structure of the present invention;

[0023] Figure 3 FIG. 4 is a control loop block diagram of the present invention.

[0024] Description of main component symbols:

[0025] In the figure: 1. Shell; 2. Air supply mechanism; 3. Humidification module; 4. Filter element holder. DETAILED DESCRIPTION

[0026] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the specific implementation methods, structures, features and effects of the present invention are described in detail below in conjunction with the accompanying drawings and preferred embodiments.

[0027] See also Figure 1-3, an air purification fan control system and an air purification fan, including an air purifier body. In this embodiment, the air purifier body at least includes a protective shell 1, an air supply mechanism 2, a water tank, a humidification module 3 and a filter element frame 4. The air supply mechanism 2, the water tank, the humidification module 3 and the filter element frame 4 are installed in the protective shell 1. The protective shell 1 is equipped with a corresponding air inlet and an air outlet in conjunction with the filter element and the air supply mechanism 2. When in use, the air supply mechanism 2 drives air to flow in from the air inlet, and the air is filtered by the filter element to remove impurities. Then, the humidification module 3 absorbs water from the water tank to humidify the air, and the air is discharged from the air outlet to complete air purification and humidification at the same time;

[0028] For the humidification process, specifically, the humidification module 3 is used to extract water from the water tank, and atomize the water, and spread it to the air outlet. The air flowing out of the air outlet carries away the atomized water, and the atomized water flows into various parts of the environment with the air flow, so that each part is additionally filled with water, and the humidification is completed;

[0029] The water tank is provided with a flap, which is located on the protective shell 1. When closed, the flap constitutes a part of the protective shell 1. When opened, the water tank is connected to the outside. In actual use, the water in the water tank is continuously consumed as the humidification module 3 operates. When water needs to be added, the operator opens the flap and then adds water to the water tank.

[0030] At the same time, the protective shell 1 is columnar, the air inlet and the air outlet are symmetrically arranged on the side of the columnar protective shell 1, the air supply mechanism 2, the water tank, the humidification module 3 and the filter element frame 4 are arranged in the protective shell 1, and the air inlet, the air supply mechanism 2, the water tank, the humidification module 3, the filter element frame 4 and the air outlet are connected end to end in sequence to form an air duct;

[0031] In actual use, when the environment is at different humidity, the required humidification power is different. For example, when the humidity in the environment is high, there is no need for excessive humidification power. When the humidity in the environment is low, a higher humidification power is required to ensure that the humidity of the environment is maintained at a normal level. The weather and humidity of the environment are different in different seasons, and the humidification power needs to be adjusted according to the season. For this purpose, an environment monitoring module and a control module are also included. The control module is electrically connected to the air purifier body and the environment monitoring module respectively;

[0032] Specifically, the process of the environmental monitoring module for obtaining seasonal data is that the environmental monitoring module is connected to the cloud server for communication, downloads the current time data from the cloud server every 24 hours, calculates the number of days t from the current time to the first day of January of the current year, and after each calculation, the environmental monitoring module transmits the number of days to the control module. The control module determines the season according to the number of days t. In this embodiment, t=0-90 is judged as spring, t=91-180 is judged as summer, t=181-270 is judged as autumn, and t=271-360 is judged as winter. When t>360, the environmental monitoring module takes t=360. After the calculation is completed, the control module determines the season, and the control module increases the humidification power of the air purifier body in spring and autumn, and reduces the humidification power of the air purifier body in summer and winter.

[0033] Since a considerable part of my country's urban areas have a temperate monsoon climate, with more precipitation in summer and autumn and less precipitation in winter and spring, high humidification power is not needed in summer and autumn. At this time, the humidification power needs to be reduced to prevent over-humidification. In spring and winter, the climate is relatively dry, and the humidification power needs to be increased to prevent insufficient humidification.

[0034] Specifically, the control module is pre-input with a standard humidification power P0, and the control module instructs the humidifier to adjust its power to P, where P = [(0.015t-2.7)^2 / 2+3]×P0, t is the number of days in this year, 0≤t≤360, and P0 is the pre-input standard power;

[0035] When the season is summer and autumn, it means that higher humidification power is not needed. At this time, t is close to 180. According to the function graph, the smaller the value of P = [(0.015t-2.7)^2 / 2+3] is, when the control module instructs the humidifier power to be adjusted to P, the humidification power is reduced in summer and autumn.

[0036] Similarly, when the season is spring and winter, t is close to 0 or 360, which means that a larger humidification power is required. According to the function graph, the larger the value of P = [(0.015t-2.7)^2 / 2+3], when the control module instructs the humidifier power to be adjusted to P, the humidification power is increased in winter and spring.

[0037] By using the environmental monitoring module to obtain seasonal data, the control module increases the humidification power of the air purifier body in spring and autumn, and reduces the humidification power of the air purifier body in summer and winter, thereby preventing excessive humidification when there is more precipitation in summer and autumn, and ensuring the humidification effect when there is less precipitation in spring and winter.

[0038] Although the humidity in the room generally follows the change of precipitation, it will fluctuate in a short time. When the humidity increases to a large extent, it means that the current room is relatively dry and the humidifier is significantly reducing the humidity in the room, which means that there is a large humidification space and the humidification power needs to be increased to adjust the room humidity to a relatively stable value as soon as possible. On the contrary, when the humidity increase rate tends to be moderate, it means that the room has been fully humidified and there is no need for excessive humidification. In addition, a large humidification power will lead to a waste of water stored in the water tank, so the humidification power needs to be reduced.

[0039] To this end, the environment monitoring module is also used to obtain the humidity rising rate in the room, and the control module corrects the humidification power downward when the humidity rising rate exceeds the threshold, and the control module corrects the humidification power upward when the humidity rising rate is lower than the threshold;

[0040] In this embodiment, the control module is pre-input with the humidity rise rate standard value A0, the environment monitoring module obtains the humidity data in the room once a second, and the environment monitoring module determines whether the latest five humidity data are monotonically increasing;

[0041] When the judgment result is no, it means that the humidity in the room fluctuates around a certain value, or decreases monotonically. When the humidity in the room fluctuates around a certain value, it means that the humidity is relatively stable and there is no need to humidify too much. When the humidity in the room decreases monotonically, it means that the environment in the room is undergoing drastic changes. For example, the environment outside the room is relatively dry, and the doors and windows of the room are wide open, and the water vapor in the room flows to the outside. At this time, even if the humidification power is increased, the water vapor will flow to the outside with the air exchange between the inside and outside of the room, resulting in a huge waste of water in the water tank. Therefore, there is no need to increase the humidity at this time;

[0042] When the judgment result is yes, it means that there is a larger humidification space and the humidification power needs to be increased. At this time, the environmental monitoring module calculates the rising rate of each two adjacent data in the latest five humidity data, obtains four rising rate data, and then calculates the average of the four rising rate data to obtain the humidity rising rate A in the room. Then the environmental monitoring module sends A to the control module. The control module collects the judgment result and the value of A every five seconds. After the control module obtains the judgment result and the value of A each time, it instructs the humidifier power to be adjusted to P×A1, where A1=A / A0×c, and A0 and c are pre-entered constants;

[0043] When the rising rate A is large, it means that there is a larger humidification space and the humidification power needs to be increased. At this time, the value of A1=A / A0×c is large. When the control module instructs the humidifier power to be adjusted to P×A1, the humidification power is increased when the rising rate A is large, which means that there is a larger humidification space.

[0044] When the rise rate A is small and closer to A0, it means that the rising speed is slow. At this time, it means that the room has been fully humidified and no excessive humidification is needed. At this time, the value of A1=A / A0×c is small. When the control module instructs the humidifier power to adjust to P×A1, the humidification power is reduced when the rise rate A is small, which means that the room has been fully humidified.

[0045] By enabling the control module to obtain the humidity rising rate in the room, the humidification power is corrected downward when the humidity rising rate exceeds the threshold, and the humidification power is corrected upward when the humidity rising rate is lower than the threshold. The humidification power is increased when there is a larger humidification space to ensure the humidification effect and prevent over-humidification when the humidification tends to saturation.

[0046] The room area will also affect the humidification effect. When the room is large, if the atomized water particles in the humidified air are small, there is a probability that the atomized water particles will evaporate before they drift to the edge of the room, affecting the humidification effect on the edge of the room. At this time, the size of the atomized water particles needs to be increased. Larger atomized water particles can still maintain their particle shape when they drift to the edge of the room. When the room is small and the atomized water particles are large, there is a probability that the atomized water particles will be too large, so that the presence of the atomized water particles can be directly perceived by users who are close to the device, affecting the user experience. For this reason, the environmental monitoring module is used to obtain the room area, and the control module reduces the size of the atomized water particles when the room area is greater than the threshold, and increases the size of the humidification atomized particles when the room area is less than the threshold.

[0047] Specifically, the environment monitoring module also includes at least an infrared scanning module, which measures the distance from the edge of the room to itself by emitting infrared rays in all directions every 10 seconds, and obtains the room area M through the distance, and uploads it to the control module. The control module is pre-input with the room area standard value M0. After receiving the room area data each time, the control module corrects the size of the atomized particles to A2 times the initial value, where A2 = M / M0 × d, and d is a pre-input constant;

[0048] When the room area M is larger, it means that the atomized water particles need to be enlarged. At this time, A2=M / M0×d is larger. When the control module corrects the size of the atomized particles to A2 times the initial value, the atomized particle size is increased when the room is larger.

[0049] On the contrary, when the room area M is small, it means that the atomized water particles need to be reduced. At this time, A2=M / M0×d is small. When the control module corrects the size of the atomized particles to A2 times the initial value, the atomized particle size is reduced when the room is small.

[0050] By enabling the environmental monitoring module to obtain the room area and increasing the volume of atomized particles when the room area is larger, and reducing the volume of atomized particles when the room area is smaller, when the room area is larger, there is a probability that the atomized water particles will evaporate before drifting to the edge of the room, thus ensuring the distribution of the atomized water particles. When the room area is smaller, there is no need for larger atomized water particles, thereby ensuring the user experience.

[0051] It also includes a control panel, which is used to input the values ​​of M0, d, A0 and c. Specifically, the control panel is a panel arranged on the top of the columnar protective shell 1, and the control panel includes at least control keys, a display screen and an input board.

[0052] An air purification fan is applicable to the above-mentioned air purification fan control system. The fan is arranged in the air purifier body and is electrically connected to the control module.

[0053] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. An air purification fan control system, characterized in that: It includes an air purifier body, an environment monitoring module and a control module, wherein the control module is electrically connected to the air purifier body and the environment monitoring module respectively; The environment monitoring module is used to obtain seasonal data, the control module increases the humidification power of the air purifier body in spring and autumn, and the control module reduces the humidification power of the air purifier body in summer and winter.

2. An air purification fan control system according to claim 1, characterized in that: The control module is pre-input with a standard humidification power P0, and the control module instructs the humidifier to adjust its power to P, where P=[(0.015t-2.7)^2 / 2+3]×P0, and t is the number of days that have passed in the year.

3. The air purification fan control system according to claim 1, characterized in that: The environment monitoring module is also used to obtain the humidity rising rate in the room. The control module corrects the humidification power downward when the humidity rising rate exceeds a threshold, and corrects the humidification power upward when the humidity rising rate is lower than the threshold.

4. The air purification fan control system according to claim 1, characterized in that: The control module is pre-input with a standard value A0 of the humidity rise rate. The environmental monitoring module is also used to obtain the humidity rise rate A in the room. The control module instructs the humidifier to adjust its power to P×A1, wherein A1=A / A0×c, and c is a pre-input constant.

5. An air purification fan control system according to claim 4, characterized in that: The environment monitoring module is used to obtain the room area. The control module reduces the humidification atomization particle size when the room area is greater than a threshold value, and the control module increases the humidification atomization particle size when the room area is less than a threshold value.

6. An air purification fan control system according to claim 5, characterized in that: The environmental monitoring module is used to obtain the room area M. The control module is pre-input with the room area standard value M0. The control module corrects the size of the atomized particles to A2 times the initial value, wherein A2=M / M0×d, and d is a pre-input constant.

7. An air purification fan control system according to claim 6, characterized in that: A control panel is also included for inputting values ​​of M0, d, A0 and c.

8. An air purification fan, applicable to an air purification fan control system according to any one of claims 1 to 7, characterized in that: The fan is arranged in the air purifier body, and the fan is electrically connected to the control module.

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