Ventilation structure with filtering function
By designing a ventilation structure with filtration function, using activated carbon, HEPA filter layer, photocatalyst purification layer and sterilization and disinfection equipment in the purifier, the problem of air pollution in college laboratories is solved, and the effective filtration and purification of air is achieved.
Patent Information
- Application Number
- CN202421274164.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-05
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-06-05
AI Technical Summary
The air pollution in college laboratories is serious, and the existing ventilation structure cannot effectively filter viruses, bacteria and odors, causing pollutants to flow to the outside world.
Design a ventilation structure with filtering function, including a fan, control box, data display, filter and purifier in the ventilation duct. The filter is composed of an activated carbon filter layer, a HEPA filter layer and a photocatalyst purification layer. The purifier is equipped with an ultraviolet sterilization lamp, an ozone generator and a negative oxygen ion generator.
Through the combination of activated carbon, HEPA filter layer and photocatalyst purification layer, it can effectively adsorb and degrade particulate matter and toxic gases in the air. Bactericidal and disinfection functions such as ultraviolet rays and ozone can quickly remove bacteria and viruses and improve air quality.
Smart Images

Figure CN222459714U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of air purification, and more specifically to a ventilation structure with a filtering function. Background Art
[0002] Due to the substantial increase in the enrollment ratio of higher education institutions in my country, with the continuous increase in the number of students on campus and the continuous improvement in scientific and technological innovation capabilities, the number of laboratories in many universities has continued to increase, and the teaching and scientific research activities in university laboratories have become more frequent. After continuous experiments, the air in the laboratory will become very bad, with a large number of viruses, bacteria and odors.
[0003] The existing Chinese utility model patent with authorization announcement number CN 210832427 U discloses a ventilation structure, including a ceiling exhaust fan, a connecting pipe and a ventilation duct, one end of the connecting pipe is used to be connected to the ceiling exhaust fan, and the other end is connected to the ventilation duct, the cross-section of the ventilation duct is rectangular, and a rainproof window is installed at one end of the ventilation duct away from the connecting pipe. The ventilation duct includes ventilation duct one and ventilation duct two, one end of ventilation duct one is sleeved on ventilation duct two, one end of ventilation duct two away from ventilation duct one is connected to the connecting pipe, and one end of ventilation duct one away from ventilation duct two is connected to the rainproof window, and a fixing device is provided at the connection between ventilation duct one and ventilation duct two, the fixing device is sleeved on the outside of ventilation duct one and ventilation duct two, and the fixing device is fixed on the outer wall of ventilation duct one and ventilation duct two.
[0004] Most of the ventilation ducts in the laboratory directly discharge the air without filtering, which will cause the viruses and bacteria in the laboratory to flow to the outside and pollute the air. The utility model provides a ventilation structure with filtering function. Utility Model Content
[0005] In order to overcome the above defects of the prior art, the utility model provides a ventilation structure with a filtering function to solve the problems existing in the above background technology.
[0006] The utility model provides the following technical solutions: a ventilation structure with filtering function, comprising a ventilation duct, fans are fixedly installed at the upper and lower pipe openings of the ventilation duct, a control box is fixedly installed on the front of the ventilation duct, a data display screen is fixedly installed on the front of the control box, the data display screen has a touch screen function, a device start switch is fixedly installed below the data display screen, filters are fixedly installed in the ventilation duct near the two fans, and a purifier is fixedly installed in the ventilation duct;
[0007] In a preferred embodiment, the fan comprises a bottom plate fixedly connected to the ventilation duct, and the diameter of the bottom plate is consistent with the diameter of the inside of the ventilation duct.
[0008] In a preferred embodiment, a rotating shaft is fixedly installed at the center of the bottom film, a fan core is fixedly installed on the rotating shaft, the fan core is cylindrical, and eight fan blades are fixedly installed on the side pieces of the fan core.
[0009] In a preferred embodiment, the purifier is cylindrical in shape, the diameter of the purifier is consistent with the diameter of the inside of the ventilation duct, the top and bottom surfaces of the purifier are provided with ventilation holes, and three placement plates are fixedly installed inside the purifier.
[0010] In a preferred embodiment, the three placement plates are respectively fixedly installed with ultraviolet sterilization lamps, ozone generators and negative oxygen ion generators from bottom to top, and the ultraviolet sterilization lamps are fixedly installed on the inner wall of the purifier, and four ultraviolet sterilization lamps are provided.
[0011] In a preferred embodiment, the filter screen comprises an activated carbon filter layer, a HEPA filter layer is fixedly mounted on the top surface of the activated carbon filter layer, and a photocatalyst purification layer is fixedly mounted on the top surface of the HEPA filter layer.
[0012] Technical effects and advantages of the utility model:
[0013] 1. The utility model is provided with an activated carbon filter layer, a HEPA filter layer, a photocatalyst purification layer and an ultraviolet sterilization lamp. The activated carbon has the function of absorbing and continuously releasing into the air to capture dust particles larger than 0.5 μm and various suspended matter. The photocatalyst is a nano-scale titanium dioxide active material. Under the action of light, it produces a strong catalytic degradation function. It can effectively degrade toxic and harmful gases such as formaldehyde, benzene, ammonia and radon in the air, and quickly remove odors.
[0014] 2. The utility model is equipped with an ozone generator, which can sterilize and disinfect the air. Ozone has environmental protection functions such as disinfection, odor removal, COD degradation, bleaching, etc. It has strong oxidizing properties and is not easy to store. It can quickly oxidize and decompose bacteria, viruses, Escherichia coli, mold, fungi, spores, organic matter, inorganic matter and other harmful substances, and the killing speed is 300-600 times faster than chlorine. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0016] Figure 2 It is a schematic diagram of the internal structure of the ventilation duct of the utility model.
[0017] Figure 3 This is a schematic diagram of the fan structure of the utility model.
[0018] Figure 4 This is a schematic diagram of the structure of the purifier of the utility model.
[0019] Figure 5 This is a schematic diagram of the filter structure of the utility model.
[0020] Figure 6 This is a schematic diagram of the control box structure of the utility model.
[0021] The accompanying drawings are marked as follows: 1. ventilation duct; 2. fan; 201. film; 202. rotating shaft; 203. fan core; 204. fan blade; 3. control box; 301. data display screen; 302. equipment start switch; 4. purifier; 401. placement sheet; 402. ultraviolet sterilization lamp; 403. ozone generator; 404. negative oxygen ion generator; 5. filter; 501. activated carbon filter layer; 502. HEPA filter layer; 503. photocatalyst purification layer. DETAILED DESCRIPTION
[0022] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative, and the ventilation structure with filtering function involved in the present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.
[0023] Reference Figure 1-Figure 6 The utility model provides a ventilation structure with filtering function, including a ventilation duct 1, fans 2 are fixedly installed at the upper and lower pipe openings of the ventilation duct 1, a control box 3 is fixedly installed on the front of the ventilation duct 1, a data display screen 301 is fixedly installed on the front of the control box 3, the data display screen 301 has a touch screen function, and a device start switch 302 is fixedly installed below the data display screen 301, filters 5 are fixedly installed near the two fans 2 in the ventilation duct 1, and a purifier 4 is fixedly installed in the ventilation duct 1;
[0024] Reference Figure 3 In the ventilation structure with filtering function shown in FIG. 1 , the fan 2 includes a bottom plate 201 fixedly connected to the ventilation duct 1 , and the diameter of the bottom plate 201 is consistent with the diameter of the inside of the ventilation duct 1 .
[0025] Reference Figure 3 A ventilation structure with filtering function is shown, in which a rotating shaft 202 is fixedly installed at the center of a bottom plate 201, a fan core 203 is fixedly installed on the rotating shaft 202, and the fan core 203 is cylindrical. Eight fan blades 204 are fixedly installed on the side plates of the fan core 203.
[0026] Reference Figure 4 A ventilation structure with filtering function is shown, the purifier 4 is cylindrical in shape, the diameter of the purifier 4 is consistent with the diameter inside the ventilation duct 1, the top and bottom surfaces of the purifier 4 are provided with ventilation holes, and three placement plates 401 are fixedly installed inside the purifier 4.
[0027] Reference Figure 4 A ventilation structure with a filtering function is shown, in which three placement plates 401 are fixedly installed with ultraviolet sterilization lamps 402, ozone generators 403 and negative oxygen ion generators 404 from bottom to top, and the ultraviolet sterilization lamps 402 are fixedly installed on the inner wall of the purifier 4. There are four ultraviolet sterilization lamps 402, which will perform the first step of sterilization.
[0028] Reference Figure 5 A ventilation structure with filtering function is shown, the filter 5 includes an activated carbon filter layer 501, a HEPA filter layer 502 is fixedly installed on the top surface of the activated carbon filter layer 501, and a photocatalyst purification layer 503 is fixedly installed on the top surface of the HEPA filter layer 502. The filter 5 can absorb dust particles larger than 0.5 μm and various suspended matter that are continuously released into the air, and effectively degrade toxic and harmful gases such as formaldehyde, benzene, ammonia and radon in the air, and quickly remove odors.
[0029] The working principle of this utility model:
[0030] Before using the device, you first need to install the device and then turn on the power. When using the device, first press the device start switch 302 on the control box 3 to start the device, and then the fan blades 204 on the two fans 2 in the ventilation duct 1 will start to rotate through the fan core 203 and the shaft 202, and then the fan 2 will suck the air in the laboratory into the ventilation duct 1, and then the air will first pass through the activated carbon filter layer 501, the HEPA filter layer 502 and the photocatalyst purification layer 503 of the filter 5. The activated carbon has the ability to absorb and continuously release particles of dust and various suspended matter larger than 0.5μm into the air. The photocatalyst is a nano-scale titanium dioxide active material. Under the action of light, it produces a strong catalytic degradation function, which can effectively degrade toxic and The air can quickly remove toxic and harmful gases such as formaldehyde, benzene, ammonia and radon, and quickly remove odors. Then the air will enter the purifier 4 through the ventilation holes on the bottom of the purifier 4, and then the ultraviolet sterilization lamp 402 will perform the first step of sterilization. The ozone generator 403 can sterilize the air. Ozone has environmental protection functions such as disinfection, odor removal, COD degradation, bleaching, etc. It has strong oxidizing properties and is not easy to store. It can quickly oxidize and decompose bacteria, viruses, Escherichia coli, mold, fungi, spores, organic matter, inorganic matter and other harmful substances. The negative ions generated by the negative oxygen ion generator 404 make the air after layer by layer of purification fresher, and then the purified air will go out from the ventilation holes on the top of the purifier 4, and then pass through the filter 5 again, and finally go out from the pipe mouth of the ventilation duct 1.
[0031] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.
Claims
1. A ventilation structure with filtering function, comprising a ventilation duct (1), characterized in that: Fans (2) are fixedly mounted at both upper and lower pipe openings of the ventilation duct (1); a control box (3) is fixedly mounted on the front of the ventilation duct (1); a data display screen (301) is fixedly mounted on the front of the control box (3); the data display screen (301) has a touch screen function; a device start switch (302) is fixedly mounted below the data display screen (301); filters (5) are fixedly mounted in the ventilation duct (1) near the two fans (2); and a purifier (4) is fixedly mounted in the ventilation duct (1).
2. A ventilation structure with filtering function according to claim 1, characterized in that: The fan (2) comprises a bottom plate (201) fixedly connected to the ventilation duct (1), and the diameter of the bottom plate (201) is consistent with the diameter of the inside of the ventilation duct (1).
3. A ventilation structure with filtering function according to claim 2, characterized in that: A rotating shaft (202) is fixedly mounted at the center of the bottom plate (201), a fan core (203) is fixedly mounted on the rotating shaft (202), the fan core (203) is cylindrical, and eight fan blades (204) are fixedly mounted on the side plates of the fan core (203).
4. A ventilation structure with filtering function according to claim 1, characterized in that: The purifier (4) has a cylindrical shape, the diameter of the purifier (4) is consistent with the diameter of the inside of the ventilation duct (1), the top surface and the bottom surface of the purifier (4) are both provided with ventilation holes, and three placement plates (401) are fixedly installed inside the purifier (4).
5. A ventilation structure with filtering function according to claim 4, characterized in that: The three placement plates (401) are respectively fixedly mounted with an ultraviolet sterilization lamp (402), an ozone generator (403) and a negative oxygen ion generator (404) from bottom to top, and the ultraviolet sterilization lamp (402) is fixedly mounted on the inner wall of the purifier (4), and four ultraviolet sterilization lamps (402) are provided.
6. A ventilation structure with filtering function according to claim 1, characterized in that: The filter screen (5) comprises an activated carbon filter layer (501), a HEPA filter layer (502) is fixedly mounted on the top surface of the activated carbon filter layer (501), and a photocatalyst purification layer (503) is fixedly mounted on the top surface of the HEPA filter layer (502).
Citation Information
Patent Citations
Ventilation structure
CN210832427U