An automatic cleaning and heating clean exhaust cabinet
Patent Information
- Application Number
- CN202311551960.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2023-11-21
- Publication Date
- 2026-10-09
AI Technical Summary
针对现有技术的不足,本发明提供了一种自动清洗加热的洁净排风柜,解决了加热效率不高影响箱体内部干燥效果,造成内部会产生霉菌的问题
该自动清洗加热的洁净排风柜,通过使用喷雾头的间歇性喷水,增加过滤的效果,并结合两个箱体进行过滤,在对不适用直接加湿的气体也可以更好的过滤,另外采用红外加热器进行加热,既可避免加热不均匀的现象,增加水雾的挥发。
Smart Images

Figure CN122875544A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of automatic cleaning and heating technology, specifically to an automatic cleaning and heating clean exhaust cabinet. Background Technology
[0002] Automated cleaning and heating cleanroom fume hoods are advanced laboratory equipment typically used in laboratory environments. They combine cleanroom technology, exhaust ventilation, and automated cleaning and heating systems to ensure a safe, clean, and easy-to-maintain operating environment. After use, these fume hoods use a built-in automated cleaning system to remove any potential chemical or biological contaminants and utilize heating to quickly dry the internal environment for the next use. The basic components of an automated cleaning and heating cleanroom fume hood include: Cleanroom exhaust function: Maintains clean air in the laboratory, removing harmful gases and particles. Filtration system: HEPA or ULPA filters are used to capture particles, and sometimes chemical filtration is added to remove harmful gases. Automated cleaning system: Cleans the interior surfaces of the cabinet by spraying cleaning agent through nozzles; the cleaning program can be set to run automatically. Heating system: Activated after the cleaning process to accelerate the evaporation of internal moisture and quickly dry the equipment. Control system: Used to set and monitor the cleaning and heating cycles, typically including a touchscreen or automated program control.
[0003] However, the current heating efficiency is not high, which affects the drying effect inside the chamber and causes mold to grow inside. Summary of the Invention
[0004] (a) Technical problems to be solved To address the shortcomings of existing technologies, this invention provides an automatic cleaning and heating clean exhaust cabinet, which solves the problem of low heating efficiency affecting the drying effect inside the cabinet and causing mold to grow inside.
[0005] (II) Technical Solution To achieve the above objectives, the present invention provides the following technical solution: an automatic cleaning and heating cleanroom exhaust cabinet, comprising: The first anti-slip metal support foot has a heat-insulating and rust-proof box fixedly connected to its upper surface. The inner surface of the heat-insulating and rust-proof box has a first partition fixedly connected to its inner surface. A fixed frame is fixedly connected to the inside of the first partition. An activated carbon filter layer is provided inside the fixed frame. A water tank is fixedly connected to the upper surface of the heat-insulating and rust-proof box. A water pump is fixedly connected to the inside of the water tank. A spray head is fixedly connected to the output end of the water pump. An infrared heater is fixedly connected to the rear inner wall of the heat-insulating and rust-proof box. An elastic connecting pipe is fixedly connected to the right surface of the heat-insulated and rust-proof box on the right side. An outer shell is fixedly connected to the right surface of the elastic connecting pipe. A shock-absorbing device is provided on the bottom inner wall of the outer shell. A motor is fixedly connected to the upper surface of the shock-absorbing device. A wear-resistant belt is fixedly connected to the output end of the motor. A high-speed centrifugal fan is fixedly connected to the upper surface of the shock-absorbing device and to the right of the motor. A vertical connecting pipe is fixedly connected to the output end of the high-speed centrifugal fan.
[0006] Preferably, the number of fixed frames is multiple and distributed in a linear array, and a horizontal high-flow air intake pipe is provided on the left surface of the heat-insulated and rust-proof box, and a first filter screen is fixedly connected inside the horizontal high-flow air intake pipe.
[0007] Preferably, the spray head is located between the two first partitions, and the first anti-slip metal support foot, heat-insulated and rust-proof box, water tank, activated carbon filter layer, first partition, spray head and infrared heater form a filter device. There are two filter devices and they are distributed left and right. The two filter devices are fixedly connected by a rigid connecting pipe.
[0008] Preferably, a second anti-slip metal support foot is fixedly connected to the lower surface of the outer shell, and the wear-resistant belt is in contact with the high-speed centrifugal fan to drive the high-speed centrifugal fan to rotate.
[0009] Preferably, the shock absorption device includes a support block, a spring, a vertical limiting rod, and a shock absorption plate. The support block is fixedly connected to the bottom inner wall of the outer shell. The upper surface of the support block is fixedly connected to the vertical limiting rod. The upper surface of the support block is fixedly connected to the lower end of the spring. The vertical limiting rod is slidably connected to the shock absorption plate. The upper end of the spring is fixedly connected to the shock absorption plate.
[0010] Preferably, a second filter screen is fixedly connected to the end of the vertical connecting pipe away from the high-speed centrifugal fan, and a manual gate is fixedly connected to the end of the second filter screen away from the vertical connecting pipe.
[0011] Preferably, the input end of the high-speed centrifugal fan extends into the interior of the outer casing.
[0012] Preferably, the rear surface of the heat-insulated and rust-proof enclosure is provided with an inspection door, and the infrared heater, water pump, and motor are all electrically connected to an external power source.
[0013] (III) Beneficial Effects This invention provides an automatically cleaning and heating cleanroom exhaust cabinet. It has the following beneficial effects: This automatic cleaning and heating clean exhaust cabinet enhances filtration by using intermittent water spray from spray nozzles and combines two chambers for filtration. It can also better filter gases that are not suitable for direct humidification. In addition, it uses an infrared heater for heating, which can avoid uneven heating and increase the evaporation of water mist. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the internal structure of the present invention; Figure 2 This is a partial structural diagram of the present invention; Figure 3 This is a schematic diagram of the filtration device of the present invention; Figure 4 for Figure 1 Enlarged schematic diagram of the structure at point A in the middle; Figure 5 for Figure 2 Enlarged schematic diagram of the structure at point B.
[0015] The components include: 1. First anti-slip metal support feet; 2. Heat-insulated and rust-proof housing; 3. Horizontal high-flow air inlet pipe; 4. First filter screen; 5. Water tank; 6. Activated carbon filter layer; 7. First partition; 8. Spray head; 9. Infrared heater; 10. Rigid connecting pipe; 11. Fixing frame; 12. Filter device; 13. Flexible connecting pipe; 14. Inspection door; 15. Outer shell; 16. Second anti-slip metal support feet; 17. High-speed centrifugal fan; 18. Vertical connecting pipe; 19. Second filter screen; 20. Manual gate; 21. Shock-absorbing plate; 22. Support block; 23. Spring; 24. Vertical limit rod; 25. Motor; 26. Wear-resistant belt. Implementation
[0016] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.
[0017] like Figure 1-5As shown, this embodiment of the invention provides an automatic cleaning and heating cleanroom exhaust cabinet, including: a first anti-slip metal support leg 1; a heat-insulated and rust-proof housing 2 fixedly connected to the upper surface of the first anti-slip metal support leg 1; a first partition 7 fixedly connected to the inner surface of the heat-insulated and rust-proof housing 2; a fixing frame 11 fixedly connected inside the first partition 7; multiple fixing frames 11 arranged in a linear array; a horizontal high-flow-rate air inlet pipe 3 provided on the left surface of the heat-insulated and rust-proof housing 2; a first filter screen 4 fixedly connected inside the horizontal high-flow-rate air inlet pipe 3; and an activated carbon filter layer 6 provided inside the fixing frame 11. A water tank 5 is fixedly connected to the upper surface of the rust-proof box 2. A water pump is fixedly connected inside the water tank 5. A spray head 8 is fixedly connected to the output end of the water pump for spraying fine water mist. The spray head 8 is located between two first partitions 7. The first anti-slip metal support foot 1, the heat-insulated rust-proof box 2, the water tank 5, the activated carbon filter layer 6, the first partitions 7, the spray head 8, and the infrared heater 9 form a filter device 12. There are two filter devices 12, which are distributed on the left and right. The two filter devices 12 are fixedly connected by a rigid connecting pipe 10. An infrared heater 9 is fixedly connected to the rear inner wall of the heat-insulated rust-proof box 2 for uniform heating.
[0018] A flexible connecting pipe 13 is fixedly connected to the right surface of the right-side insulated and rust-proof enclosure 2. An inspection door 14 is provided on the rear surface of the insulated and rust-proof enclosure 2. The infrared heater 9, water pump, and motor 25 are all electrically connected to an external power source. An outer shell 15 is fixedly connected to the right surface of the flexible connecting pipe 13. A second anti-slip metal support foot 16 is fixedly connected to the lower surface of the outer shell 15. A wear-resistant belt 26 contacts the high-speed centrifugal fan 17 and is used to drive the high-speed centrifugal fan 17 to rotate. A shock-absorbing device is provided on the bottom inner wall of the outer shell 15. The shock-absorbing device includes a support block 22, a spring 23, a vertical limit rod 24, and a shock-absorbing plate 21. The support block 22 is fixedly connected to the bottom inner wall of the outer shell 15, and the upper surface of the support block 22 is fixedly connected to the vertical limit rod 24. The upper surface of the support block 22 is fixedly connected to the lower end of the spring 23. The vertical limiting rod 24 is slidably connected to the damping plate 21. The upper end of the spring 23 is fixedly connected to the damping plate 21. The upper surface of the damping device is fixedly connected to the motor 25. The output end of the motor 25 is fixedly connected to the wear-resistant belt 26. The upper surface of the damping device and located to the right of the motor 25 is fixedly connected to the high-speed centrifugal fan 17. The input end of the high-speed centrifugal fan 17 extends into the interior of the outer casing 15. The output end of the high-speed centrifugal fan 17 is fixedly connected to the vertical connecting pipe 18. The end of the vertical connecting pipe 18 away from the high-speed centrifugal fan 17 is fixedly connected to the second filter screen 19 for filtration. The end of the second filter screen 19 away from the vertical connecting pipe 18 is fixedly connected to the manual gate 20.
[0019] Working principle: The gas enters the left-side filter device 12 through the horizontal high-flow air inlet pipe 3 and the first filter screen 4. The water pump is turned on depending on whether humidification is possible. When the water pump is turned on, water mist is sprayed out from the spray head 8. The gas passes through the activated carbon filter layer 6 and the rigid connecting pipe 10 and enters the right-side filter device 12 for filtration again. Then, it is pumped out to the outside of the outer shell 15 by the high-speed centrifugal fan 17. After use, it is dried by the infrared heater 9.
[0020] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A cleanroom exhaust cabinet with automatic cleaning and heating, characterized in that, include: The first anti-slip metal support foot has a heat-insulating and rust-proof box fixedly connected to its upper surface. The inner surface of the heat-insulating and rust-proof box has a first partition fixedly connected to its inner surface. A fixed frame is fixedly connected to the inside of the first partition. An activated carbon filter layer is provided inside the fixed frame. A water tank is fixedly connected to the upper surface of the heat-insulating and rust-proof box. A water pump is fixedly connected to the inside of the water tank. A spray head is fixedly connected to the output end of the water pump. An infrared heater is fixedly connected to the rear inner wall of the heat-insulating and rust-proof box. An elastic connecting pipe is fixedly connected to the right surface of the heat-insulated and rust-proof box on the right side. An outer shell is fixedly connected to the right surface of the elastic connecting pipe. A shock-absorbing device is provided on the bottom inner wall of the outer shell. A motor is fixedly connected to the upper surface of the shock-absorbing device. A wear-resistant belt is fixedly connected to the output end of the motor. A high-speed centrifugal fan is fixedly connected to the upper surface of the shock-absorbing device and to the right of the motor. A vertical connecting pipe is fixedly connected to the output end of the high-speed centrifugal fan.
2. The automatic cleaning and heating cleanroom exhaust cabinet according to claim 1, characterized in that: The number of fixed frames is multiple and distributed in a linear array. A horizontal high-flow air intake pipe is provided on the left surface of the heat-insulated and rust-proof box. A first filter screen is fixedly connected inside the horizontal high-flow air intake pipe.
3. The automatic cleaning and heating cleanroom exhaust cabinet according to claim 1, characterized in that: The spray head is located between the two first partitions. The first anti-slip metal support feet, heat-insulated and rust-proof box, water tank, activated carbon filter layer, first partition, spray head and infrared heater form a filter device. There are two filter devices and they are distributed on the left and right. The two filter devices are fixedly connected by a rigid connecting pipe.
4. The automatic cleaning and heating cleanroom exhaust cabinet according to claim 1, characterized in that: The lower surface of the outer shell is fixedly connected to a second anti-slip metal support foot, and the wear-resistant belt is in contact with the high-speed centrifugal fan.
5. The automatic cleaning and heating cleanroom exhaust cabinet according to claim 1, characterized in that: The shock absorption device includes a support block, a spring, a vertical limiting rod, and a shock absorption plate. The support block is fixedly connected to the bottom inner wall of the outer shell. The upper surface of the support block is fixedly connected to the vertical limiting rod. The upper surface of the support block is fixedly connected to the lower end of the spring. The vertical limiting rod is slidably connected to the shock absorption plate. The upper end of the spring is fixedly connected to the shock absorption plate.
6. The automatic cleaning and heating cleanroom exhaust cabinet according to claim 1, characterized in that: A second filter screen is fixedly connected to the end of the vertical connecting pipe away from the high-speed centrifugal fan, and a manual gate is fixedly connected to the end of the second filter screen away from the vertical connecting pipe.
7. The automatic cleaning and heating cleanroom exhaust cabinet according to claim 1, characterized in that: The input end of the high-speed centrifugal fan extends into the interior of the outer casing.
8. The automatic cleaning and heating cleanroom exhaust cabinet according to claim 1, characterized in that: The rear surface of the heat-insulated and rust-proof enclosure is equipped with an inspection door, and the infrared heater, water pump, and motor are all electrically connected to an external power source.