Second-hand smoke purification device adopting photocatalyst decomposition technology

By using photocatalyst decomposition technology and intelligent adjustment mechanism in the second-hand smoke purification device, the problems of low purification efficiency and inconvenient maintenance of existing devices are solved, and efficient and intelligent second-hand smoke purification effect is achieved.

CN119879328APending Publication Date: 2025-04-25ZHUHAI MEIJIN ELECTRICAL APPLIANCES CO LTD
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Patent Information

Application Number
CN202510069960.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-16
Publication Date
2025-04-25

AI Technical Summary

Technical Problem

The existing second-hand smoke purification devices have low purification efficiency, lack of intelligent adjustment functions, inconvenient maintenance and the possible secondary pollution.

Method used

Photocatalyst decomposition technology is adopted to achieve efficient decomposition and filtration of harmful substances in second-hand smoke through the combination of support frame, sliding frame, photocatalyst filter and ultraviolet lamp, and the air outlet direction and air volume are intelligently adjusted through the angle adjustment mechanism and the exhaust adjustment mechanism.

Benefits of technology

It improves the purification efficiency of second-hand smoke, enhances the processing capacity of complex harmful gases and small molecular substances, realizes intelligent regulation function, simplifies the maintenance process, and avoids secondary pollution.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of purification devices, and discloses a second-hand smoke purification device adopting a photocatalyst decomposition technology, the second-hand smoke purification device comprises a supporting frame, a connecting pipe is fixedly connected to the upper surface of the supporting frame, a fan is fixedly connected to the interior of the connecting pipe, and an angle adjusting mechanism is mounted in the connecting pipe; an exhaust pipe is arranged on the upper surface of the connecting pipe, and an exhaust adjusting mechanism is mounted in the exhaust pipe; the angle adjusting mechanism comprises a fixing block, the lower surface of the fixing block is fixedly connected to the upper surface of the supporting frame, and a motor is fixedly connected to the interior of the fixing block. The output end of a motor drives a first rotating rod to rotate, so that the first rotating rod rotates in a first connecting block, and a gear is driven to rotate in the first connecting block, so that the gear drives a gear ring to move, the gear ring rotates in a limiting ring, and meanwhile, an exhaust pipe is driven to rotate on the limiting ring; therefore, the effect of adjusting the air outlet angle is achieved.
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Description

Technical Field

[0001] The present invention relates to the technical field of purification devices, in particular to a secondhand smoke purification device using photocatalytic decomposition technology. Background Art

[0002] Secondhand smoke is a serious source of indoor air pollution, mainly composed of smoke exhaled by smokers and sidestream smoke released during tobacco combustion. Studies have shown that secondhand smoke contains more than 4,000 chemical substances, of which at least 250 are harmful to the human body and more than 50 are known carcinogens. These harmful substances include nicotine, carbon monoxide, benzopyrene, formaldehyde, heavy metal particles, etc. Long-term exposure can cause serious health problems such as respiratory diseases, cardiovascular diseases and cancer, especially for children, pregnant women and the elderly.

[0003] With the improvement of health awareness and environmental protection requirements, people have increasingly stringent requirements for secondhand smoke control and indoor air quality. At present, some secondhand smoke purification devices have been launched on the market, but there are still the following shortcomings Most existing secondhand smoke purification devices use a single filtering or adsorption technology, such as activated carbon filters, HEPA filters, etc. Although these technologies can filter particulate matter and some chemical components, they have weak processing capabilities for complex harmful gases and small molecular harmful substances (such as formaldehyde, volatile organic compounds, etc.).

[0004] Most existing devices only have a single purification function and lack intelligent adjustment functions for air direction and air volume, making it difficult to optimize their use according to different indoor environment requirements. This limitation reduces the practicality of the device and the user experience.

[0005] The filter of the purification device is the core component that affects the purification effect, but many products have complex designs, and the filter replacement and cleaning process is cumbersome, which is inconvenient for users. If it is not cleaned for a long time, it may also lead to a decline in device performance and even the breeding of bacteria. Summary of the invention

[0006] In view of the deficiencies in the prior art, the present invention provides a secondhand smoke purification device using photocatalyst decomposition technology, which solves the problems of low purification efficiency, lack of intelligent adjustment function, inconvenient maintenance and possible secondary pollution of the existing secondhand smoke purification devices.

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: A secondhand smoke purification device using photocatalyst decomposition technology, comprising a support frame, a connecting pipe is fixedly connected to the upper surface of the support frame, a fan is fixedly connected to the inside of the connecting pipe, an angle adjustment mechanism is installed inside the connecting pipe, an exhaust pipe is provided on the upper surface of the connecting pipe, and an exhaust adjustment mechanism is installed inside the exhaust pipe; The angle adjustment mechanism includes a fixed block, the lower surface of the fixed block is fixedly connected to the upper surface of the support frame, the interior of the fixed block is fixedly connected to a motor, the output end of the motor is fixedly connected to a first rotating rod, the outer wall of the first rotating rod is fixedly connected to a gear, the outer wall of the first rotating rod is rotatably connected to a first connecting block, the lower surface of the first connecting block is fixedly connected to the upper surface of the fixed block, the outer wall of the first connecting block is fixedly connected to a limiting ring, the inner wall of the limiting ring is fixedly connected to the outer wall of a connecting pipe, the interior of the limiting ring is rotatably connected to a gear ring, the outer wall of the gear ring is meshed and connected to the gear, and the inner wall of the gear ring is fixedly connected to an exhaust pipe.

[0008] Preferably, the exhaust adjustment mechanism includes a first rotating block, the upper surface of the first rotating block is rotatably connected to the inner top of the exhaust duct, one end of the first rotating block is fixedly connected to an electric push rod, the output end of the electric push rod is fixedly connected to a second rotating block, the interior of the second rotating block is rotatably connected to a connecting rod, the lower surface of the connecting rod is fixedly connected to a rotating plate, and a third limiting groove is provided inside the rotating plate.

[0009] Preferably, the exhaust duct is rotatably connected to a second rotating rod inside, the outer wall of the second rotating rod is fixedly connected to a second connecting block, and the outer wall of the second connecting block is fixedly connected to an air guide plate.

[0010] Preferably, the outer wall of the second rotating rod is fixedly connected to the second connecting plate, the outer wall of the second connecting plate is fixedly connected to the third limiting rod, and the outer wall of the third limiting rod is slidably connected to the inside of the third limiting groove.

[0011] Preferably, the outer wall of the air guide plate is fixedly connected with a third connecting block, the outer wall of the third connecting block is fixedly connected with a third rotating rod, and the outer wall of the third rotating rod is rotatably connected to the inside of the exhaust pipe.

[0012] Preferably, a second limiting groove is opened inside the support frame, a sliding frame is slidably connected inside the support frame, a first limiting rod is fixedly connected to the lower surface of the sliding frame, and an outer wall of the first limiting rod is slidably connected to the inside of the second limiting groove.

[0013] Preferably, a second limiting rod is fixedly connected to the interior of the sliding frame, a first connecting plate is rotatably connected to the outer wall of the second limiting rod, and an outer wall of the first connecting plate is fixedly connected to the limiting frame.

[0014] Preferably, a first limiting groove is formed inside the second limiting rod, and a first photocatalyst filter screen and a second photocatalyst filter screen are slidably connected inside the first limiting groove, respectively.

[0015] Preferably, an ultraviolet lamp is fixedly connected to the outer wall of the second limiting rod, and the ultraviolet lamp is arranged between the first photocatalyst filter screen and the second photocatalyst filter screen.

[0016] Preferably, a limiting block is fixedly connected to the upper surface of the sliding frame, and a filter element is slidably connected to the outer wall of the limiting block.

[0017] The present invention provides a secondhand smoke purification device using photocatalyst decomposition technology. It has the following beneficial effects: 1. The present invention drives the first rotating rod to rotate through the output end of the motor, so that the first rotating rod rotates inside the first connecting block, and drives the gear to rotate inside the first connecting block, so that the gear drives the gear ring to move, and the gear ring rotates in the limit ring, and at the same time drives the exhaust pipe to rotate on the limit ring, thereby achieving the effect of adjusting the air outlet angle.

[0018] 2. The present invention starts the fan to allow the secondhand smoke to enter the interior through the openings on the support frame and the sliding frame, and allows air to enter between the first photocatalyst filter and the second photocatalyst filter. When the ultraviolet light is turned on, the first photocatalyst filter and the second photocatalyst filter produce a photocatalytic reaction, decomposing the harmful substances in the secondhand smoke into harmless substances, thereby improving the effect of filtering the secondhand smoke. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A perspective view of the present invention; Figure 2 is a schematic diagram of the present invention; Figure 3 is a schematic diagram of the present invention; Figure 4 is a schematic diagram of the present invention; Figure 5 is a schematic diagram of the present invention; Figure 6 is a schematic diagram of the present invention; Figure 7 It is a schematic diagram of the present invention.

[0020] Among them, 1. support frame; 2. sliding frame; 3. connecting pipe; 4. exhaust pipe; 5. fixed block; 6. first limiting rod; 7. second limiting rod; 8. first photocatalyst filter; 9. first connecting plate; 10. limiting frame; 11. filter element; 12. second photocatalyst filter; 13. first limiting groove; 14. limiting block; 15. ultraviolet lamp; 16. second limiting groove; 17. limiting ring; 18. fan; 19. first connecting block; 20. first rotating rod; 21. gear; 22. motor; 23. gear ring; 24. air guide plate; 25. second rotating rod; 26. second connecting plate; 27. third limiting rod; 28. second connecting block; 29. ​​third connecting block; 30. third rotating rod; 31. third limiting groove; 32. rotating plate; 33. first rotating block; 34. electric push rod; 35. second rotating block; 36. connecting rod. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the specification of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] Please refer to the attached Figure 1 -Attached Figure 5 The embodiment of the present invention provides a secondhand smoke purification device using photocatalyst decomposition technology, including a support frame 1, a connecting pipe 3 is fixedly connected to the upper surface of the support frame 1, a fan 18 is fixedly connected to the inside of the connecting pipe 3, an angle adjustment mechanism is installed inside the connecting pipe 3, an exhaust pipe 4 is arranged on the upper surface of the connecting pipe 3, and an exhaust adjustment mechanism is installed inside the exhaust pipe 4; The angle adjustment mechanism includes a fixed block 5, the lower surface of the fixed block 5 is fixedly connected to the upper surface of the support frame 1, the interior of the fixed block 5 is fixedly connected to a motor 22, the output end of the motor 22 is fixedly connected to a first rotating rod 20, the outer wall of the first rotating rod 20 is fixedly connected to a gear 21, the outer wall of the first rotating rod 20 is rotatably connected to a first connecting block 19, the lower surface of the first connecting block 19 is fixedly connected to the upper surface of the fixed block 5, the outer wall of the first connecting block 19 is fixedly connected to a limiting ring 17, the inner wall of the limiting ring 17 is fixedly connected to the outer wall of the connecting pipe 3, the interior of the limiting ring 17 is rotatably connected to a gear ring 23, the outer wall of the gear ring 23 is meshedly connected to the gear 21, and the inner wall of the gear ring 23 is fixedly connected to the exhaust pipe 4; Specifically, the output end of the motor 22 drives the first rotating rod 20 to rotate, so that the first rotating rod 20 rotates inside the first connecting block 19, and drives the gear 21 to rotate inside the first connecting block 19, so that the gear 21 drives the gear ring 23 to move, and the gear ring 23 rotates inside the limit ring 17, and at the same time drives the exhaust pipe 4 to rotate on the limit ring 17, thereby achieving the effect of adjusting the air outlet angle.

[0023] Please refer to the attached Figure 6 -Attached Figure 7 The exhaust adjustment mechanism includes a first rotating block 33, the upper surface of the first rotating block 33 is rotatably connected to the inner top of the exhaust pipe 4, one end of the first rotating block 33 is fixedly connected to an electric push rod 34, the output end of the electric push rod 34 is fixedly connected to a second rotating block 35, the interior of the second rotating block 35 is rotatably connected to a connecting rod 36, the lower surface of the connecting rod 36 is fixedly connected to a rotating plate 32, and a third limiting groove 31 is opened inside the rotating plate 32; Specifically, the output end of the electric push rod 34 drives the second rotating block 35 to move, so that the second rotating block 35 pushes the connecting rod 36 to move and rotate on the connecting rod 36, and at the same time, the first rotating block 33 rotates on the exhaust duct 4. The movement of the connecting rod 36 drives the rotating plate 32 to rotate in the exhaust duct 4, thereby moving the position of the third limit groove 31.

[0024] The exhaust pipe 4 is rotatably connected to the inside of the second rotating rod 25, the outer wall of the second rotating rod 25 is fixedly connected to the second connecting block 28, and the outer wall of the second connecting block 28 is fixedly connected to the air guide plate 24; the outer wall of the second rotating rod 25 is fixedly connected to the second connecting plate 26, the outer wall of the second connecting plate 26 is fixedly connected to the third limiting rod 27, and the outer wall of the third limiting rod 27 is slidably connected to the inside of the third limiting groove 31; the outer wall of the air guide plate 24 is fixedly connected to the third connecting block 29, the outer wall of the third connecting block 29 is fixedly connected to the third rotating rod 30, and the outer wall of the third rotating rod 30 is rotatably connected to the inside of the exhaust pipe 4; Specifically, the third limiting rod 27 slides inside the third limiting groove 31 by rotating the rotating plate 32, thereby driving the second connecting plate 26 to move, so that the second connecting plate 26 drives the second rotating rod 25 to rotate inside the exhaust duct 4, and drives the second connecting block 28 to move, and at the same time, the air guide plate 24 drives the third connecting block 29 to move, so that the third connecting block 29 drives the third rotating rod 30 to rotate in the exhaust duct 4, and then adjusts the angle of the air guide plate 24, thereby achieving the effect of controlling the air output.

[0025] A second limiting groove 16 is provided inside the support frame 1, and a sliding frame 2 is slidably connected inside the support frame 1. A first limiting rod 6 is fixedly connected to the lower surface of the sliding frame 2, and an outer wall of the first limiting rod 6 is slidably connected to the inside of the second limiting groove 16; a second limiting rod 7 is fixedly connected to the inside of the sliding frame 2, and a first connecting plate 9 is rotatably connected to the outer wall of the second limiting rod 7, and an outer wall of the first connecting plate 9 is fixedly connected to the limiting frame 10; a first limiting groove 13 is provided inside the second limiting rod 7, and a first photocatalyst filter 8 and a second photocatalyst filter 12 are slidably connected inside the first limiting groove 13 respectively; an ultraviolet lamp 15 is fixedly connected to the outer wall of the second limiting rod 7, and the ultraviolet lamp 15 is arranged between the first photocatalyst filter 8 and the second photocatalyst filter 12; a limiting block 14 is fixedly connected to the upper surface of the sliding frame 2, and a filter element 11 is slidably connected to the outer wall of the limiting block 14; Specifically, by starting the fan 18, the secondhand smoke is allowed to enter the interior through the openings on the support frame 1 and the sliding frame 2, and the air is allowed to enter between the first photocatalyst filter 8 and the second photocatalyst filter 12. The ultraviolet light 15 is turned on to cause the first photocatalyst filter 8 and the second photocatalyst filter 12 to produce a photocatalytic reaction, decomposing the harmful substances in the secondhand smoke into harmless substances, and then the secondhand smoke is filtered twice through the filter element 11, thereby improving the filtering effect, and the filtered air is transported to the connecting pipe 3 through the fan 18 and enters the exhaust pipe 4, thereby exhausting the air, and by pulling the sliding The frame 2 drives the first limiting rod 6 to move, so that the first limiting rod 6 slides in the second limiting groove 16, and the sliding frame 2 is taken out from the supporting frame 1, and then the limiting frame 10 is pulled to drive the first connecting plate 9 to rotate on the second limiting rod 7, so that the limiting frame 10 is unfolded, and then the first photocatalyst filter 8 and the second photocatalyst filter 12 are moved and taken out from the second limiting rod 7, and then the first photocatalyst filter 8 and the second photocatalyst filter 12 are cleaned and replaced, and then the filter element 11 is removed from the limiting block 14 by pulling the filter element 11, and then the filter element 11 is replaced, so as to achieve the effect of convenient cleaning.

[0026] Working principle: First, by starting the fan 18, the secondhand smoke is allowed to pass through the openings on the support frame 1 and the sliding frame 2 and then enter the interior, and enter between the first photocatalyst filter 8 and the second photocatalyst filter 12. By turning on the ultraviolet lamp 15, the first photocatalyst filter 8 and the second photocatalyst filter 12 produce a photocatalytic reaction, decomposing the harmful substances in the secondhand smoke into harmless substances, and allowing the decomposed secondhand smoke to enter the filter element 11 for secondary filtration, thereby removing particulate matter, and transporting it to the connecting pipe 3 through the fan 18, and then entering the exhaust pipe 4. The second rotating block 35 is driven to move through the output end of the electric push rod 34, so that the second rotating block 35 pushes the connecting rod 36 to move and rotate on the connecting rod 36, and at the same time, the first rotating block 33 is rotated on the exhaust pipe 4, and the rotating plate 32 is driven to rotate in the exhaust pipe 4 through the movement of the connecting rod 36, so that the position of the third limiting groove 31 is The third limiting rod 27 slides inside the third limiting groove 31 through the rotation of the rotating plate 32, thereby driving the second connecting plate 26 to move, so that the second connecting plate 26 drives the second rotating rod 25 to rotate inside the exhaust pipe 4, and drives the second connecting block 28 to move, and at the same time, the air guide plate 24 drives the third connecting block 29 to move, so that the third connecting block 29 drives the third rotating rod 30 to rotate in the exhaust pipe 4, thereby adjusting the air outlet volume to discharge the air, and then, through the output end of the motor 22, drives the first rotating rod 20 to rotate, so that the first rotating rod 20 rotates inside the first connecting block 19, and drives the gear 21 to rotate in the first connecting block 19, so that the gear 21 drives the gear ring 23 to move, so that the gear ring 23 rotates in the limiting ring 17, and at the same time drives the exhaust pipe 4 to rotate on the limiting ring 17, thereby achieving the effect of adjusting the air outlet angle.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A secondhand smoke purification device using photocatalytic decomposition technology, comprising a support frame (1), characterized in that: A connecting pipe (3) is fixedly connected to the upper surface of the support frame (1), a fan (18) is fixedly connected to the interior of the connecting pipe (3), an angle adjustment mechanism is installed inside the connecting pipe (3), an exhaust pipe (4) is arranged on the upper surface of the connecting pipe (3), and an exhaust adjustment mechanism is installed inside the exhaust pipe (4); The angle adjustment mechanism comprises a fixed block (5), the lower surface of the fixed block (5) being fixedly connected to the upper surface of the support frame (1), the interior of the fixed block (5) being fixedly connected to a motor (22), the output end of the motor (22) being fixedly connected to a first rotating rod (20), the outer wall of the first rotating rod (20) being fixedly connected to a gear (21), the outer wall of the first rotating rod (20) being rotatably connected to a first connecting block (19), the lower surface of the first connecting block (19) being fixedly connected to the upper surface of the fixed block (5), the outer wall of the first connecting block (19) being fixedly connected to a limiting ring (17), the inner wall of the limiting ring (17) being fixedly connected to the outer wall of the connecting pipe (3), the interior of the limiting ring (17) being rotatably connected to a gear ring (23), the outer wall of the gear ring (23) being meshingly connected to the gear (21), and the inner wall of the gear ring (23) being fixedly connected to an exhaust pipe (4).

2. The secondhand smoke purification device using photocatalytic decomposition technology according to claim 1, characterized in that: The exhaust air adjustment mechanism comprises a first rotating block (33), the upper surface of the first rotating block (33) is rotatably connected to the inner top of the exhaust pipe (4), one end of the first rotating block (33) is fixedly connected to an electric push rod (34), the output end of the electric push rod (34) is fixedly connected to a second rotating block (35), the interior of the second rotating block (35) is rotatably connected to a connecting rod (36), the lower surface of the connecting rod (36) is fixedly connected to a rotating plate (32), and a third limiting groove (31) is provided inside the rotating plate (32).

3. The secondhand smoke purification device using photocatalytic decomposition technology according to claim 1, characterized in that: The exhaust pipe (4) is rotatably connected to a second rotating rod (25) inside, the outer wall of the second rotating rod (25) is fixedly connected to a second connecting block (28), and the outer wall of the second connecting block (28) is fixedly connected to an air guide plate (24).

4. The secondhand smoke purification device using photocatalytic decomposition technology according to claim 3 is characterized in that: The outer wall of the second rotating rod (25) is fixedly connected to a second connecting plate (26), the outer wall of the second connecting plate (26) is fixedly connected to a third limiting rod (27), and the outer wall of the third limiting rod (27) is slidably connected to the inside of the third limiting groove (31).

5. The secondhand smoke purification device using photocatalytic decomposition technology according to claim 3 is characterized in that: The outer wall of the air guide plate (24) is fixedly connected to a third connection block (29), the outer wall of the third connection block (29) is fixedly connected to a third rotating rod (30), and the outer wall of the third rotating rod (30) is rotatably connected to the interior of the exhaust pipe (4).

6. The secondhand smoke purification device using photocatalytic decomposition technology according to claim 1, characterized in that: A second limiting groove (16) is provided inside the support frame (1), a sliding frame (2) is slidably connected inside the support frame (1), a first limiting rod (6) is fixedly connected to the lower surface of the sliding frame (2), and an outer wall of the first limiting rod (6) is slidably connected to the inside of the second limiting groove (16).

7. The secondhand smoke purification device using photocatalytic decomposition technology according to claim 6, characterized in that: A second limiting rod (7) is fixedly connected inside the sliding frame (2), a first connecting plate (9) is rotatably connected to the outer wall of the second limiting rod (7), and the outer wall of the first connecting plate (9) is fixedly connected to the limiting frame (10).

8. The secondhand smoke purification device using photocatalytic decomposition technology according to claim 7 is characterized in that: A first limiting groove (13) is provided inside the second limiting rod (7), and a first photocatalyst filter (8) and a second photocatalyst filter (12) are slidably connected inside the first limiting groove (13).

9. The secondhand smoke purification device using photocatalytic decomposition technology according to claim 7, characterized in that: An ultraviolet lamp (15) is fixedly connected to the outer wall of the second limiting rod (7); the ultraviolet lamp (15) is arranged between the first photocatalyst filter (8) and the second photocatalyst filter (12).

10. The secondhand smoke purification device using photocatalytic decomposition technology according to claim 6, characterized in that: The upper surface of the sliding frame (2) is fixedly connected to a limiting block (14), and the outer wall of the limiting block (14) is slidably connected to a filter core (11).