Ventilation cabinet with circulation function

Abstract

The utility model relates to the technical field of ventilation cabinets, and discloses a ventilation cabinet with a circulation function, which comprises a ventilation cabinet body, a support plate is fixed on the front surface of the ventilation cabinet body, support legs are fixed on the bottom surface of the ventilation cabinet body, and a purification device is fixed on the upper surface of the support plate. The ventilation cabinet body is provided with a sterilization device. The ventilation cabinet with the circulation function can remove particulate matters, pollutants and harmful gases in the air, so that the indoor air quality is remarkably improved, peculiar smell in the air can be removed, a healthy, comfortable and clean indoor environment can be created, bacteria and viruses in the air can be effectively killed, dependence on external air is avoided, and the ventilation cabinet with the circulation function is worthy of popularization and application. Indoor air can be effectively treated and improved, so that the indoor air can be recycled, energy consumption and air pollution are reduced, loads of an air conditioner and a heating system are reduced, and energy consumption and operation cost are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of fume hoods, in particular to a fume hood with a circulation function. Background Technique

[0002] The fume hood is an indispensable part of the laboratory ventilation design. In order to prevent laboratory staff from inhaling or swallowing some toxic, pathogenic or chemically substances and organisms of unknown toxicity, good ventilation should be provided in the laboratory.

[0003] According to a publicly disclosed fume hood (Publication No.: CN208357429U), ventilation can be carried out at any time in the above application, and ventilation can also be carried out through a fan. When there is no odor, self-ventilation can be selected, and when there is an odor, ventilation can also be carried out through the fan, achieving the effects of saving electric energy and reducing noise.

[0004] However, the above device uses a fan for ventilation, which cannot achieve a good effect of changing the air quality. Moreover, the indoor air is directly replaced by the fan to the outside, and the indoor air cannot be recycled, saving energy, and directly discharging harmful gases to the outside is likely to damage the natural environment. Content of the Utility Model

[0005] The purpose of the utility model is to provide a fume hood with a circulation function to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A fume hood with a circulation function, including a fume hood body, a support plate is fixed on the front of the fume hood body, support legs are fixed on the bottom surface of the fume hood body, a purification device is fixed on the upper surface of the support plate, a sterilization device is arranged on the fume hood body, and the purification device includes:

[0007] A purification box, which is fixedly connected to the upper surface of the support plate;

[0008] A sealing door, which is hinged to the front of the purification box;

[0009] A first air inlet, which is opened on the upper surface of the purification box.

[0010] Preferably, a ventilation pipe is fixed on the upper surface of the inner wall of the purification box, and a purifier is fixed at one end of the ventilation pipe away from the first air inlet.

[0011] Preferably, a first ventilation opening is opened on the front of the purifier, and a second ventilation opening is opened on the bottom surface of the support plate.

[0012] Preferably, the sterilization device includes a sterilization box fixedly connected to the front of the fume hood body, and a bacteriostatic plate is hinged to the front of the sterilization box.

[0013] Preferably, a second air inlet is provided on the upper surface of the sterilization box, a first ventilation pipe is fixed to the upper surface of the inner wall of the sterilization box, and a high-temperature sterilizer is fixed to one end of the first ventilation pipe away from the second air inlet.

[0014] Preferably, a second ventilation pipe is fixed to the side of the high-temperature sterilizer, and one end of the second ventilation pipe away from the high-temperature sterilizer is fixedly connected to a cooling box, and a third ventilation opening is provided on the front of the cooling box.

[0015] Compared with the prior art, the utility model provides a fume hood with a circulation function, which has the following beneficial effects:

[0016] 1. For the fume hood with a circulation function, by setting the purification device, particulate matter, pollutants and harmful gases in the air can be removed, thereby significantly improving the indoor air quality. It can also remove the odor in the air, creating a healthy, comfortable and clean indoor environment.

[0017] 2. For the fume hood with a circulation function, by setting the sterilization device, bacteria and viruses in the air can be effectively killed, and the indoor air can be recycled, avoiding dependence on external air. The indoor air can be effectively treated and improved, and thus can be recycled, reducing energy consumption and air pollution, reducing the load on air conditioners and heating systems, and reducing energy consumption and operating costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a three-dimensional structural diagram of the main body of the utility model;

[0019] Figure 2 is an internal structural diagram of the utility model;

[0020] Figure 3 is a partial sectional structural diagram of the utility model;

[0021] Figure 4 is a bottom view structural diagram of the utility model.

[0022] In the figure: 1. Fume hood body; 2. Support plate; 3. Support leg; 4. Purification device; 41. Purification box; 42. Sealed door; 43. First air inlet; 44. Ventilation pipe; 45. Purifier; 46. First ventilation opening; 47. Second ventilation opening; 5. Sterilization device; 51. Sterilization box; 52. Bacteriostatic plate; 53. Second air inlet; 54. First ventilation pipe; 55. High-temperature sterilizer; 56. Second ventilation pipe; 57. Cooling box; 58. Third ventilation opening. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] As Figures 1-4 shown, the present utility model provides a technical solution: a fume hood with a circulation function, including a fume hood body 1, a support plate 2 is fixed on the front surface of the fume hood body 1, support legs 3 are fixed on the bottom surface of the fume hood body 1, a purification device 4 is fixed on the upper surface of the support plate 2, and a sterilization device 5 is provided on the fume hood body 1.

[0024] The above purification device 4 includes a purification box 41, a sealing door 42, and a first air inlet 43. The purification box 41 is fixedly connected to the upper surface of the support plate 2. An air freshener is attached to the inner wall of the purification box 41. The sealing door 42 is hinged to the front surface of the purification box 41 and can close the purification box 41 when closed, facilitating the removal of possible odors in the air. The first air inlet 43 is opened on the upper surface of the purification box 41. A ventilation pipe 44 is fixed on the upper surface of the inner wall of the purification box 41. The first air inlet 43 communicates with the ventilation pipe 44, and air can be inhaled and sent into the ventilation pipe 44. One end of the ventilation pipe 44 away from the first air inlet 43 is fixed with a purifier 45. The purifier 45 contains multiple filter layers and can adsorb and screen out most particulate impurities in the air. A first ventilation opening 46 is opened on the front surface of the purifier 45. The air after removing particulate impurities can be discharged from the first ventilation opening 46 into the purification box 41. A second ventilation opening 47 is opened on the bottom surface of the support plate 2. The air after removing odors can be discharged from the second ventilation opening 47. Through the purification device 4, the air can be filtered to achieve the effect of air purification.

[0025] The above sterilization device 5 includes a sterilization box 51, the sterilization box 51 is fixedly connected to the front surface of the fume hood body 1, a bacteriostatic plate 52 is hinged to the front surface of the sterilization box 51, a second air inlet 53 is opened on the upper surface of the sterilization box 51, and the second air inlet 53 can inhale the air purified by the purification device 4. A first ventilation pipe 54 is fixed on the upper surface of the inner wall of the sterilization box 51. The second air inlet 53 communicates with the first ventilation pipe 54, and air can be inhaled and sent into the first ventilation pipe 44. One end of the first ventilation pipe 54 away from the second air inlet 53 is fixed with a high-temperature sterilizer 55. The high-temperature sterilizer 55 can perform high-temperature sterilization on the air to further purify the air. A second ventilation pipe 56 is fixed to the side of the high-temperature sterilizer 55. One end of the second ventilation pipe 56 away from the high-temperature sterilizer 55 is fixedly connected to a cooling box 57. The second ventilation pipe 56 sends the air after high-temperature sterilization into the cooling box 57. The cooling box 57 cools down the high-temperature air after sterilization. A third ventilation opening 58 is opened on the front surface of the cooling box 57. The cooled air is discharged from the third ventilation opening 58. Through the sterilization device 5, the air can be sterilized to further purify the air. This device can be used in a closed room, avoiding the external replacement of air, ensuring energy utilization efficiency, and protecting the natural environment.

[0026] Working principle: When the fume hood is operating, it first inhales indoor air from the first air inlet 43. The air enters the purifier 45 through the ventilation pipe 44. The purifier 45 purifies the air, screens and adsorbs particulate impurities, and after removing the impurities in the air, it is discharged from the first ventilation opening 46. The odor is removed in the purification box 41, and after removing the odor in the purification box 41, it is discharged from the second ventilation opening 47.

[0027] The second air inlet 53 inhales the purified air, enters the high-temperature sterilizer 55 through the first ventilation pipe 54. The high-temperature sterilizer 55 performs high-temperature disinfection and sterilization on the air, then enters the cooling box 57 through the second ventilation pipe 56. The air after high-temperature sterilization is cooled in the cooling box 57 and discharged from the third ventilation opening 58 to avoid replacing the air externally.

[0028] The above has generally described the present utility model in detail. However, based on the present utility model, some modifications or improvements can be made, which are obvious to those of ordinary skill in the technical field. Therefore, modifications or improvements made without departing from the spirit of the present utility model are within the protection scope of the present utility model.

Claims

1. A fume hood with a circulation function, comprising a fume hood body (1), characterized in that: A support plate (2) is fixed to the front of the fume hood body (1), support legs (3) are fixed to the bottom surface of the fume hood body (1), a purification device (4) is fixed to the upper surface of the support plate (2), a sterilization device (5) is provided on the fume hood body (1), and the purification device (4) includes: A purification box (41) which is fixedly connected to the upper surface of the support plate (2); A sealing door (42) which is hinged to the front of the purification box (41); A first air inlet (43) which is opened on the upper surface of the purification box (41).

2. The fume hood with a circulation function according to claim 1, characterized in that: A ventilation pipe (44) is fixed to the upper surface of the inner wall of the purification box (41), and a purifier (45) is fixed to one end of the ventilation pipe (44) away from the first air inlet (43).

3. The fume hood with a circulation function according to claim 2, wherein: A first ventilation opening (46) is opened on the front of the purifier (45), and a second ventilation opening (47) is opened on the bottom surface of the support plate (2).

4. The fume hood with a circulation function according to claim 3, wherein: The sterilization device (5) includes a sterilization box (51) which is fixedly connected to the front of the fume hood body (1), and a bacteria-blocking plate (52) is hinged to the front of the sterilization box (51).

5. The fume hood with a circulation function according to claim 4, characterized in that: A second air inlet (53) is opened on the upper surface of the sterilization box (51), a first ventilation pipe (54) is fixed to the upper surface of the inner wall of the sterilization box (51), and a high-temperature sterilizer (55) is fixed to one end of the first ventilation pipe (54) away from the second air inlet (53).

6. The fume hood with a circulation function according to claim 5, characterized in that: A second ventilation pipe (56) is fixed to the side of the high-temperature sterilizer (55), one end of the second ventilation pipe (56) away from the high-temperature sterilizer (55) is fixedly connected to a cooling box (57), and a third ventilation opening (58) is opened on the front of the cooling box (57).

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