Fresh air purification system

Abstract

The utility model discloses a fresh air purification system which is suitable for a purification chamber and comprises an air purification device and an air quality sensor. The air purification device and the air quality sensor are sequentially installed at the inner top of the purification chamber from top to bottom, an air inlet and an air outlet of the air purification device communicate with the purification chamber, and the air purification device is used for filtering and purifying air in the purification chamber; the air quality sensor is located between the air inlet of the air purification device and the air outlet of the air purification device, the air quality sensor is electrically connected with the air purification device, and the air quality sensor is used for monitoring the concentration of harmful gas in the air in the purification chamber. The fresh air purification system provided by the utility model can be operated when needed, and unnecessary waste caused by 24-hour non-stop work of the fresh air purification system is avoided, so that the service life of equipment is prolonged, the use cost of a user is reduced, and the defects in the prior art are overcome.

Description

Technical Field

[0001] The utility model relates to the technical field of fresh air equipment, in particular to a fresh air purification system. Background Art

[0002] The fresh air purification system is an independent air treatment system that continuously introduces fresh air into the room through the operation of the air supply system and the exhaust system, and at the same time exhausts the dirty air in the room. It is mainly composed of fresh air fans, air ducts, filters and dehumidifiers, etc. It can effectively filter and purify the air entering the room, remove large particles, dust, pollen, bacteria, viruses and other pollutants, and ensure the freshness and circulation of indoor air.

[0003] Existing fresh air systems are usually designed to run 24 hours a day to ensure continuous circulation and freshness of indoor air, and also to ensure that at any time, even if the concentration of harmful gases has not exceeded the standard, the fresh air system can provide sufficient fresh air volume to meet people's daily needs. However, since the fresh air purification system works 24 hours a day, it is easy to affect the service life of the equipment and increase the user's cost of use. Therefore, it is urgent to provide an air purification system that only runs when there is a demand and shuts down when there is no demand. Utility Model Content

[0004] The purpose of the utility model is to propose a fresh air purification system, which can be operated when needed to avoid unnecessary waste caused by its 24-hour non-stop operation, thereby increasing the service life of the equipment and reducing the user's usage cost, so as to overcome the shortcomings of the prior art.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] A fresh air purification system, suitable for a clean room, comprising an air purification device and an air quality sensor; the air purification device and the air quality sensor are sequentially installed on the inner top of the clean room from top to bottom, the air inlet and the air outlet of the air purification device are both interconnected with the clean room, and the air purification device is used to filter and purify the air in the clean room;

[0007] The air quality sensor is located between the air inlet and the air outlet of the air purification device, the air quality sensor is electrically connected to the air purification device, and the air quality sensor is used to monitor the concentration of harmful gases in the internal air of the purification room;

[0008] The air purification device comprises an air inlet pipe, an air evolution unit and an air outlet pipe which are interconnected in sequence, and the air inlet of the air inlet pipe and the air outlet of the air outlet pipe are both interconnected with the purification chamber.

[0009] Further, the air evolution unit includes a hood and a purification component, the hood is a hollow structure, and the air inlet of the hood is interconnected with the air outlet of the air inlet pipe, and the air outlet of the hood is interconnected with the air inlet of the air outlet pipe;

[0010] The purification component is installed inside the hood, and is used for filtering and purifying the air.

[0011] Furthermore, the purification component includes a pre-filter layer, a catalytic decomposition filter layer, a high-energy ion generator and a sterilization filter layer which are distributed in sequence from left to right, and the pre-filter layer is arranged close to the air inlet of the hood, and the sterilization filter layer is arranged close to the air outlet of the hood.

[0012] Further, the air inlet pipe includes a first curved air inlet section and a first straight air outlet section which are sequentially connected to each other; and the air inlet of the first curved air inlet section is connected to the purification chamber; the air outlet of the first straight air outlet section is connected to the air inlet of the air evolution unit;

[0013] The air outlet duct includes a second curved air inlet section and a second straight air outlet section which are sequentially connected to each other; and the air inlet of the second straight air outlet section is connected to the air outlet of the air evolution unit; the air outlet of the second curved air inlet section is connected to the purification chamber.

[0014] Furthermore, the air evolution unit also includes an exhaust fan, which is installed inside the hood and located between the high-energy ion filter layer and the sterilization filter layer.

[0015] Furthermore, the exhaust fan is a centrifugal fan.

[0016] Furthermore, it also includes an air quality display screen, which is installed outside the purification room and is electrically connected to the air quality sensor, and is used to display the monitoring value of the air quality sensor.

[0017] Furthermore, there are at least two air quality sensors, both of which are electrically connected to the air purification device, and the two air quality sensors are symmetrically distributed between the air inlet and the air outlet of the air purification device.

[0018] The technical solution provided by the embodiment of the present application may include the following beneficial effects: a start threshold of the air purification device is set on the air quality sensor. When the air quality sensor detects that the concentration of harmful gases in the air inside the purification room reaches the start threshold, the air purification device is turned on, and the air with excessive concentration of harmful gases in the purification room is filtered and purified by the air purification device to ensure that the air in the purification room is fresh; when the air quality sensor detects that the concentration of harmful gases in the air inside the purification room does not reach the start threshold, the air purification device is turned off. At this time, the air purification device is in a rest state, thereby realizing real-time control of the working state of the air purification device, so that it can be operated when needed, avoiding unnecessary waste caused by its 24-hour non-stop operation, thereby increasing the service life of the equipment and reducing the user's usage cost. At the same time, the equipment is relatively simple, which is conducive to reducing the manufacturing cost of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of a fresh air purification system of the utility model.

[0020] Figure 2 It is a structural schematic diagram of an air purification device in a fresh air purification system of the utility model.

[0021] Wherein: purification chamber 1, air purification device 2, air inlet pipe 21, first curved air inlet section 211, first straight air outlet section 212, air evolution unit 22, machine cover 221, purification component 222, pre-filter layer 2221, catalytic decomposition filter layer 2222, high-energy ion filter layer 2223, sterilization filter layer 2224, air outlet pipe 23, second curved air inlet section 231, second straight air outlet section 232, exhaust fan 24, air quality sensor 3, air quality display screen 4. DETAILED DESCRIPTION

[0022] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0023] The present technical solution provides a fresh air purification system, which is applicable to a purification room 1, and includes an air purification device 2 and an air quality sensor 3; the air purification device 2 and the air quality sensor 3 are sequentially installed on the inner top of the purification room 1 from top to bottom, and the air inlet and the air outlet of the air purification device 2 are interconnected with the purification room 1, and the air purification device 2 is used to filter and purify the air in the purification room 1;

[0024] The air quality sensor 3 is located between the air inlet of the air purification device 2 and the air outlet of the air purification device 2. The air quality sensor 3 is electrically connected to the air purification device 2. The air quality sensor 3 is used to monitor the concentration of harmful gases in the internal air of the purification room 1;

[0025] The air purification device 2 includes an air inlet pipe 21, an air evolution unit 22 and an air outlet pipe 23 which are interconnected in sequence, and the air inlet of the air inlet pipe 21 and the air outlet of the air outlet pipe 23 are both interconnected with the purification chamber 1.

[0026] In order to solve the problem that the fresh air purification system in the prior art works 24 hours a day, which easily affects the service life of the equipment and increases the user's usage cost, the present technical solution proposes a fresh air purification system, including a purification chamber 1, an air purification device 2 and an air quality sensor 3; the air purification device 2 and the air quality sensor 3 are installed on the inner top of the purification chamber 1 from top to bottom, the air purification device 2 is interconnected with the purification chamber 1, and the air purification device 2 is used to filter and purify the air in the purification chamber 1; the air quality sensor 3 is electrically connected to the air purification device 2, and the air quality sensor 3 is used to monitor the concentration of harmful gases in the internal air of the purification chamber 1. It should be noted that the types of harmful gases can be formaldehyde, carbon dioxide, carbon monoxide, PM2.5, ammonia, hydrogen sulfide, methane and benzene, etc., and the specific types of harmful gases are not limited here.

[0027] The specific working process of the fresh air purification system in the present technical scheme is as follows: an opening threshold of the air purification device 2 is set on the air quality sensor 3. When the air quality sensor 3 detects that the concentration of harmful gases in the air inside the purification room 1 reaches the opening threshold, the air purification device 2 is turned on, and the air purification device 2 is used to filter and purify the air with excessive concentration of harmful gases in the purification room 1 to ensure that the air in the purification room 1 is fresh; when the air quality sensor 3 detects that the concentration of harmful gases in the air inside the purification room 1 does not reach the opening threshold, the air purification device 2 is turned off, and the air purification device 2 is in a rest state.

[0028] Furthermore, the air purification device 2 includes an air inlet pipe 21, an air evolution unit 22 and an air outlet pipe 23 which are interconnected in sequence, wherein the air inlet pipe 21 is used to transport the air with excessive harmful gas concentration inside the purification room 1 to the air evolution unit 22, the air evolution unit 22 filters and purifies the air with excessive harmful gas concentration to obtain fresh air, and then transports the fresh air back to the purification room 1 through the air outlet pipe 23, thereby completing the air purification inside the purification room 1.

[0029] The technical solution proposes a fresh air purification system, which can realize real-time control of the working status of the air purification device 2, so that it can be operated when needed, avoiding unnecessary waste caused by its 24-hour non-stop operation, thereby increasing the service life of the equipment and reducing the user's use cost. At the same time, the equipment is relatively simple, which is conducive to reducing the manufacturing cost of the equipment.

[0030] Further description, the air evolution unit 22 includes a hood 221 and a purification component 222, the hood 221 is a hollow structure, and the air inlet of the hood 221 is interconnected with the air outlet of the air inlet pipe 21, and the air outlet of the hood 221 is interconnected with the air inlet of the air outlet pipe 22;

[0031] The purification component 222 is installed inside the hood 221, and the purification component 222 is used to filter and purify the air.

[0032] In a preferred embodiment of the present technical solution, a purification component 222 is provided to filter and purify air with excessive concentration of harmful gases, thereby achieving air purification inside the purification room 1, and the air filtration and purification process is simple and efficient.

[0033] Further description, the purification component 222 includes a pre-filter layer 2221, a catalytic decomposition filter layer 2222, a high-energy ion generator 2223 and a sterilization filter layer 2224 which are distributed from left to right in sequence, and the pre-filter layer 2221 is arranged close to the air inlet of the hood 221, and the sterilization filter layer 2224 is arranged close to the air outlet of the hood 221.

[0034] In a preferred embodiment of the present technical solution, a pre-filter layer 2221, a catalytic decomposition filter layer 2222, a high-energy ion generator 2223 and a sterilizing filter layer 2224 are provided, wherein the pre-filter layer 2221 can be a HEPA filter, which can filter large particles of dust and shed hair and other particles, and protect the other filter layers behind; the catalytic decomposition filter layer 2222 uses non-woven fibers as a substrate and activated carbon as an adsorption material, and its surface is dipped with a photocatalyst, so that the catalytic decomposition filter layer 2222 can effectively adsorb various organic volatiles, formaldehyde, methane, benzene and other harmful gases, thereby removing harmful gases in the air; the high-energy ion generator 22 Under the action of the electric field, a large number of α particles will be generated to collide with oxygen ions in the air to form positive and negative ion groups. The strong oxidizing property of the positive ions decomposes and oxidizes pollutants such as hydrogen sulfide, ammonia, formaldehyde, benzene, and methyl mercaptan in a very short time, effectively killing viruses, bacteria and other pathogens in the air, thereby further removing harmful gases in the air; the sterilizing filter layer 2224 is made of ultra-fine glass fiber filter paper as the substrate, and is prepared by dipping a chemical catalytic purification membrane and a sterilizing factor on its surface. It can intercept ultra-fine particles or harmful gas molecules larger than 0.3um, and intercept and purify harmful pollutants such as PM2.5, carbon monoxide, carbon monoxide and formaldehyde, thereby ensuring the air purification effect. It should be noted that power supply terminals are provided at both ends of the high-energy ion generator 2223, and the power supply terminals are connected to the power supply line, and the power supply line energizes the high-energy ion generator 2223 through the power supply terminals.

[0035] Further description, the air inlet pipe 21 includes a first curved air inlet section 211 and a first straight air outlet section 212 which are sequentially connected to each other; and the air inlet of the first curved air inlet section 211 is connected to the purification chamber 1; the air outlet of the first straight air outlet section 212 is connected to the air inlet of the air evolution unit 22;

[0036] The air outlet pipe 23 includes a second curved air inlet section 231 and a second straight air outlet section 232 which are connected to each other in sequence; and the air inlet of the second straight air outlet section 232 is connected to the air outlet of the air evolution unit 22; the air outlet of the second curved air inlet section 231 is connected to the purification chamber 1.

[0037] In a preferred embodiment of the present technical solution, by setting a first curved air inlet section 211 and a first straight air outlet section 212, the first curved air inlet section 211 is used to conveniently transport the air with excessive concentration of harmful gases inside the purification room 1 to the first straight air outlet section 212, and then the first straight air outlet section 212 is used to transport the air with excessive concentration of harmful gases to the air evolution unit 22, which is efficient and convenient.

[0038] Furthermore, by setting a second curved air inlet section 231 and a second straight air outlet section 232, the second straight air outlet section 232 is used to transport the fresh air filtered and purified by the air evolution unit 22 to the second curved air inlet section 231, and then the second curved air inlet section 231 is used to transport the fresh air to the purification room 1, which is efficient and convenient.

[0039] Further description, the air evolution unit 22 also includes an exhaust fan 24, which is installed inside the hood 221, and the exhaust fan 24 is located between the high-energy ion filter layer 2223 and the sterilization filter layer 2224.

[0040] In a preferred embodiment of the present technical solution, an exhaust fan 24 is provided to suck air with excessive concentration of harmful gases into the air evolution unit 22, and the fresh air filtered and purified by the air evolution unit 22 is discharged into the interior of the purification chamber 1 through the air outlet pipe 23, which is simple and convenient.

[0041] To further explain, the exhaust fan 223 is a centrifugal fan.

[0042] Compared with other fans, centrifugal fans have the advantages of low noise, high operating stability, energy saving and environmental protection. Therefore, in a preferred embodiment of the present technical solution, the exhaust fan 223 is limited to a centrifugal fan to reduce the noise of the fresh air purification system and save costs.

[0043] Further description, it also includes an air quality display screen 4, which is installed on the outside of the purification room 1, and the air quality display screen 4 is electrically connected to the air quality sensor 3, and the air quality display screen 4 is used to display the monitoring value of the air quality sensor 3.

[0044] In a preferred embodiment of the present technical solution, an air quality display screen 4 is provided to display the monitoring value of the air quality sensor 3, so that the concentration of harmful gases in the internal air of the purification room 1 can be known at any time, thereby preventing the harmful gases in the internal air of the purification room 1 from entering the purification room 1 when the concentration is too high and affecting the health.

[0045] To further illustrate, there are at least two air quality sensors 3 , both of which are electrically connected to the air purification device 2 , and the two air quality sensors 3 are symmetrically distributed between the air inlet of the air purification device 2 and the air outlet of the air purification device 2 .

[0046] In a preferred embodiment of the present technical solution, by limiting the number of air quality sensors 3, when one of the air quality sensors 3 fails or is damaged, another air quality sensor 3 can be used, thereby improving the flexibility of the device.

[0047] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0048] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps described in these embodiments do not limit the scope of the utility model. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as a part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once a certain item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0049] In the description of the present utility model, it needs to be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present utility model; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0050] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0051] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the utility model.

[0052] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0053] The technical principle of the present invention is described above in combination with specific embodiments. These descriptions are only for explaining the principle of the present invention and cannot be interpreted as limiting the protection scope of the present invention in any way. Based on the explanations here, technicians in this field can think of other specific implementation methods of the present invention without creative work, and these methods will fall within the protection scope of the present invention.

Claims

1. A fresh air purification system, characterized in that: Applicable to a clean room, comprising an air purification device and an air quality sensor; the air purification device and the air quality sensor are sequentially installed on the inner top of the clean room from top to bottom, the air inlet and the air outlet of the air purification device are interconnected with the clean room, and the air purification device is used to filter and purify the air in the clean room; The air quality sensor is located between the air inlet and the air outlet of the air purification device, the air quality sensor is electrically connected to the air purification device, and the air quality sensor is used to monitor the concentration of harmful gases in the internal air of the purification room; The air purification device comprises an air inlet pipe, an air evolution unit and an air outlet pipe which are interconnected in sequence, and the air inlet of the air inlet pipe and the air outlet of the air outlet pipe are both interconnected with the purification chamber.

2. A fresh air purification system according to claim 1, characterized in that: The air evolution unit includes a hood and a purification component, the hood is a hollow structure, and the air inlet of the hood is connected to the air outlet of the air inlet pipe, and the air outlet of the hood is connected to the air inlet of the air outlet pipe; The purification component is installed inside the hood, and is used for filtering and purifying the air.

3. A fresh air purification system according to claim 2, characterized in that: The purification component includes a pre-filter layer, a catalytic decomposition filter layer, a high-energy ion generator and a sterilization filter layer which are sequentially distributed from left to right, and the pre-filter layer is arranged close to the air inlet of the hood, and the sterilization filter layer is arranged close to the air outlet of the hood.

4. A fresh air purification system according to claim 1, characterized in that: The air inlet pipe comprises a first curved air inlet section and a first straight air outlet section which are sequentially connected to each other; and the air inlet of the first curved air inlet section is connected to the purification chamber; the air outlet of the first straight air outlet section is connected to the air inlet of the air evolution unit; The air outlet duct includes a second curved air inlet section and a second straight air outlet section which are sequentially connected to each other; and the air inlet of the second straight air outlet section is connected to the air outlet of the air evolution unit; the air outlet of the second curved air inlet section is connected to the purification chamber.

5. A fresh air purification system according to claim 3, characterized in that: The air evolution unit also includes an exhaust fan, which is installed inside the hood and located between the high-energy ion generator and the sterilization filter layer.

6. A fresh air purification system according to claim 5, characterized in that: The exhaust fan is a centrifugal fan.

7. A fresh air purification system according to claim 1, characterized in that: It also includes an air quality display screen, which is installed outside the purification room and is electrically connected to the air quality sensor. The air quality display screen is used to display the monitoring value of the air quality sensor.

8. A fresh air purification system according to claim 1, characterized in that: There are at least two air quality sensors, both of which are electrically connected to the air purification device, and the two air quality sensors are symmetrically distributed between the air inlet and the air outlet of the air purification device.

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