Dehumidification and air supply device for clean laboratory

Abstract

The utility model relates to a clean laboratory dehumidification air supply device, which belongs to the technical field of clean laboratory ventilation and comprises an air supply pipeline, two filter screens are fixedly connected in the air supply pipeline, rotating shafts are rotatably connected in the air supply pipeline at equal intervals, and a first mounting groove is formed in the air supply pipeline. Worms are rotationally connected into the first mounting grooves, adjusting blades are fixedly connected to the outer sides of the rotating shafts, one ends of the rotating shafts extend into the first mounting grooves and are fixedly connected with worm wheels, the worm wheels are in meshed connection with the worms, and a cleaning mechanism is arranged in the air supply pipeline. The device has the advantages that the worm gears can be driven to rotate through rotation of the worm, meanwhile, the corresponding rotating shafts can be driven to rotate, the angle of the adjusting blades can be adjusted according to the actual dehumidification air supply requirement, the adaptability of the device is better, and therefore the optimal using effect of the device can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of clean laboratory ventilation, in particular to a dehumidification and air supply device for a clean laboratory. Background Art

[0002] With the development of science and technology, the requirements for experimental environment in biology, chemistry and electronics are becoming higher and higher, more and more stringent, and more and more. Therefore, the requirements for indoor environment in clean laboratories are becoming more and more stringent, including environmental factors such as temperature and humidity in the laboratory, which need to be strictly controlled. At present, when controlling humidity in a general clean laboratory, a water-cooled refrigeration unit is used to control the humidity in the laboratory. The chilled water generated by the water-cooled refrigeration unit condenses the moisture in the air sent into the clean laboratory, thereby reducing the absolute humidity of the air that needs to be sent into the clean laboratory. At this time, the relative humidity of the air that needs to be sent into the clean laboratory is increased, and the water-cooled refrigeration unit produces chilled water while generating higher temperature cooling water, and then the condensed air is heated and heated by the electric heating component, thereby reducing the relative humidity of the air that needs to be sent into the clean laboratory and improving the physical sensation of the experimenters in the laboratory.

[0003] After searching, a Chinese patent discloses an energy-saving clean laboratory dehumidification and air supply device (authorization announcement number CN217303033U), including an air supply fan, a water-cooled refrigerator, a water tank, a PLC controller and a dehumidification pipe. The air supply fan is arranged at one end of the dehumidification pipe, and the other end of the dehumidification pipe is connected to the clean laboratory air supply port, the water-cooled refrigerator is connected to the water channel of the water tank, the water channel between the water-cooled refrigerator and the dehumidification pipe is connected, and the PLC controller is electrically connected to the water-cooled refrigerator. Although this patented technology can dehumidify the mixed air flowing into the dehumidification pipe through the cooperation of the water-cooled refrigerator, the PLC controller and the dehumidification pipe.

[0004] However, the above device still has some shortcomings in actual use. The most obvious one is that the air supply duct and the air supply fan in the above clean laboratory dehumidification and air supply device cannot adjust the air supply angle, so the air supply angle is relatively fixed and cannot be adjusted according to the actual dehumidification and air supply needs, and the adaptability is poor. Utility Model Content

[0005] In view of the problem in the prior art that the air supply duct and the air supply fan in the above-mentioned clean laboratory dehumidification and air supply device cannot adjust the air supply angle, so that the air supply angle is relatively fixed, and the air supply angle cannot be adjusted according to the actual dehumidification and air supply needs, and the adaptability is poor, the main purpose of the utility model is to provide a clean laboratory dehumidification and air supply device.

[0006] The technical solution of the utility model is as follows: a dehumidification and air supply device for a clean laboratory comprises an air supply duct, two filter screens are fixedly connected to the interior of the air supply duct, a rotating shaft is equidistantly connected to the interior of the air supply duct, a first mounting groove is provided inside the air supply duct, a worm is rotatably connected to the interior of the first mounting groove, an adjusting blade is fixedly connected to the outer side of the rotating shaft, one end of the rotating shaft extends to the interior of the first mounting groove and is fixedly connected to a worm wheel, the worm wheel is meshed with the worm, and a cleaning mechanism is arranged inside the air supply duct.

[0007] By adopting the above technical solution, the rotation of the worm can drive multiple worm wheels to rotate, and at the same time can drive the corresponding rotating shaft to rotate, so that the angle of the adjusting blade can be adjusted according to the actual dehumidification and air supply needs, making the device more adaptable.

[0008] As a preferred embodiment, the cleaning mechanism includes second mounting grooves opened on both sides of the inner wall of the air supply duct, wherein a threaded rod is rotatably connected to the interior of one of the second mounting grooves, and a fixed rod is fixedly connected to the interior of the other second mounting groove, a threaded block is threadedly connected to the outer side of the threaded rod, a slider is slidably connected to the outer side of the fixed rod, a circular cleaning plate is fixedly connected between the slider and the threaded block, brushes are provided on both sides of the circular cleaning plate, and the circular cleaning plate is slidably connected to the inner wall of the air supply duct.

[0009] By adopting the above technical solution, the threaded block can be driven to move by the rotation of the threaded rod, and then the circular cleaning plate can be used to scrape off the impurities on the surface of the filter screen.

[0010] As a preferred embodiment, the top ends of the threaded rod and the worm both extend to the outside of the air supply duct and are fixedly connected with pulleys, and a transmission belt is connected between the two pulleys.

[0011] By adopting the above technical solution, the rotation of the transmission belt can drive the rotation of the pulley, and at the same time can drive the threaded rod and the worm to rotate.

[0012] As a preferred implementation, an L-shaped plate is fixedly connected to the top of the air supply duct, a first servo motor is fixedly installed on the top of the L-shaped plate, and an output shaft of the first servo motor is fixedly connected to the worm.

[0013] By adopting the above technical solution, the worm can be driven to rotate by the rotation of the output shaft of the first servo motor.

[0014] As a preferred embodiment, a dust collecting pipe is fixedly connected to the bottom end of the air supply duct, and fixing grooves are provided around the inside of the dust collecting pipe.

[0015] By adopting the above technical solution and setting up the dust collecting pipe, the fallen impurities can be collected uniformly.

[0016] As a preferred embodiment, an iron bar and a magnetic bar are arranged inside the fixing groove, a dust collecting bag is arranged at the bottom end of the dust collecting pipe, and the dust collecting bag is connected to the dust collecting pipe through the iron bar and the magnetic bar.

[0017] By adopting the above technical solution, the dust collecting bag can be fixed below the air supply duct through the coordinated use of the iron bar and the magnetic bar.

[0018] Compared with the prior art, the advantages and positive effects of the utility model are:

[0019] 1. In the utility model, the rotation of the worm can drive multiple worm wheels to rotate, and at the same time can drive the corresponding rotating shaft to rotate, so that the angle of the adjusting blade can be adjusted according to the actual dehumidification and air supply needs, so that the device has better adaptability, thereby achieving the best use effect of the device.

[0020] 2. In the utility model, the rotation of the threaded rod can drive the movement of the threaded block, and then the circular cleaning plate can be used to scrape off the impurities on the surface of the filter screen. The use of the slider and the fixed rod can make the circular cleaning plate more stable during the movement and less likely to shake, thereby restoring the filtering effect of the filter screen and reducing the clogging of the filter screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is an overall three-dimensional diagram of the utility model;

[0022] Figure 2 It is a half-section diagram of the utility model;

[0023] Figure 3 It is a schematic diagram of the internal structure of the utility model;

[0024] Figure 4 For this utility model Figure 2 Enlarged view of point A in the middle.

[0025] Legend: 1. Air supply duct; 2. Adjusting blade; 3. Rotating shaft; 4. First servo motor; 5. Transmission belt; 6. Pulley; 7. First mounting groove; 8. Worm; 9. Worm wheel; 10. Fixed groove; 11. Dust collecting pipe; 12. Second mounting groove; 13. Threaded rod; 14. Threaded block; 15. Circular cleaning plate; 16. Sliding block; 17. Fixed rod. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present application.

[0027] Reference Figure 1-4 A dehumidification and air supply device for a clean laboratory comprises an air supply duct 1, two filters are fixedly connected inside the air supply duct 1, a rotating shaft 3 is equidistantly connected to the inside of the air supply duct 1 for rotation, a first mounting groove 7 is provided inside the air supply duct 1, a worm 8 is rotatably connected inside the first mounting groove 7, an adjusting blade 2 is fixedly connected to the outer side of the rotating shaft 3, one end of the rotating shaft 3 extends to the inside of the first mounting groove 7 and is fixedly connected to a worm gear 9, the worm gear 9 is meshed with the worm gear 8, and a cleaning mechanism is arranged inside the air supply duct 1.

[0028] When in use, the rotation of the worm 8 can drive multiple worm wheels 9 to rotate, and at the same time can drive the corresponding rotating shaft 3 to rotate, so that the angle of the adjusting blade 2 can be adjusted according to the actual dehumidification and air supply needs, making the device more adaptable, thereby achieving the best use effect of the device.

[0029] Reference Figure 3 The cleaning mechanism includes second mounting grooves 12 opened on both sides of the inner wall of the air supply duct 1, wherein a threaded rod 13 is rotatably connected inside one of the second mounting grooves 12, a fixing rod 17 is fixedly connected inside the other second mounting groove 12, a threaded block 14 is threadedly connected to the outer side of the threaded rod 13, a slider 16 is slidably connected to the outer side of the fixing rod 17, a circular cleaning plate 15 is fixedly connected between the slider 16 and the threaded block 14, brushes are arranged on both sides of the circular cleaning plate 15, and the circular cleaning plate 15 is slidably connected to the inner wall of the air supply duct 1.

[0030] When in use, the rotation of the threaded rod 13 can drive the movement of the threaded block 14, and then the circular cleaning plate 15 can be used to scrape off impurities on the surface of the filter screen. The use of the slider 16 and the fixed rod 17 can make the circular cleaning plate 15 more stable during the movement and less likely to shake, thereby restoring the filtering effect of the filter screen and reducing the clogging of the filter screen.

[0031] Reference Figure 4 The top ends of the threaded rod 13 and the worm 8 extend to the outside of the air supply duct 1 and are fixedly connected to a pulley 6. A transmission belt 5 is connected between the two pulleys 6. The rotation of the transmission belt 5 can drive the rotation of the pulley 6, and at the same time, can drive the threaded rod 13 and the worm 8 to rotate.

[0032] Reference Figure 3 An L-shaped plate is fixedly connected to the top of the air supply duct 1, and a first servo motor 4 is fixedly installed on the top of the L-shaped plate. The output shaft of the first servo motor 4 is fixedly connected to the worm 8. The rotation of the output shaft of the first servo motor 4 can drive the worm 8 to rotate.

[0033] Reference Figure 2 The bottom end of the air supply duct 1 is fixedly connected with a dust collecting pipe 11, and fixed grooves 10 are provided around the inside of the dust collecting pipe 11. Through the setting of the dust collecting pipe 11, the falling impurities can be uniformly collected.

[0034] Reference Figure 2 An iron bar and a magnetic bar are arranged inside the fixing groove 10, and a dust bag is arranged at the bottom end of the dust collecting pipe 11. The dust bag and the dust collecting pipe 11 are connected by the iron bar and the magnetic bar. By using the iron bar and the magnetic bar in combination, the dust bag can be fixed under the air supply duct 1.

[0035] Working principle: First, start the first servo motor 4. The rotation of the transmission belt 5 can drive the pulley 6 to rotate, and at the same time can drive the threaded rod 13 and the worm 8 to rotate. The rotation of the worm 8 can drive multiple worm wheels 9 to rotate, and at the same time can drive the corresponding rotating shaft 3 to rotate, so that the angle of the adjusting leaf 2 can be adjusted according to the actual dehumidification and air supply needs, so that the device has better adaptability, so as to achieve the best use effect of the device, and the rotation of the threaded rod 13 can drive the movement of the threaded block 14, so that the impurities on the surface of the filter can be scraped off by the circular cleaning plate 15, and the cooperation of the slider 16 and the fixed rod 17 can make the circular cleaning plate 15 more stable during the movement and less prone to shaking, so as to restore the filtering effect of the filter and reduce the clogging of the filter. When cleaning the dust on the surface of the filter, it is only necessary to adjust the angle of the adjusting leaf 2 at the same time, without excessive adjustment.

[0036] The above are only preferred embodiments of the present application and are not intended to limit the present application. Although the present application has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A clean laboratory dehumidification air supply device, comprising an air supply duct (1), characterized in that: Two filter screens are fixedly connected inside the air supply duct (1); a rotating shaft (3) is equidistantly connected to the inside of the air supply duct (1); a first mounting groove (7) is provided inside the air supply duct (1); a worm (8) is rotatably connected inside the first mounting groove (7); an adjusting blade (2) is fixedly connected to the outside of the rotating shaft (3); one end of the rotating shaft (3) extends to the inside of the first mounting groove (7) and is fixedly connected to a worm gear (9); the worm gear (9) is meshed with the worm gear (8); and a cleaning mechanism is provided inside the air supply duct (1).

2. A clean laboratory dehumidification and air supply device according to claim 1, characterized in that: The cleaning mechanism comprises second mounting grooves (12) provided on both sides of the inner wall of the air supply duct (1), wherein a threaded rod (13) is rotatably connected inside one of the second mounting grooves (12), and a fixing rod (17) is fixedly connected inside the other second mounting groove (12), the outer side of the threaded rod (13) is threadedly connected to a threaded block (14), the outer side of the fixing rod (17) is slidably connected to a slider (16), a circular cleaning plate (15) is fixedly connected between the slider (16) and the threaded block (14), brushes are provided on both sides of the circular cleaning plate (15), and the circular cleaning plate (15) is slidably connected to the inner wall of the air supply duct (1).

3. A clean laboratory dehumidification and air supply device according to claim 2, characterized in that: The top ends of the threaded rod (13) and the worm (8) both extend to the outside of the air supply duct (1) and are fixedly connected to a pulley (6), and a transmission belt (5) is connected between the two pulleys (6).

4. A clean laboratory dehumidification and air supply device according to claim 1, characterized in that: An L-shaped plate is fixedly connected to the top of the air supply duct (1), a first servo motor (4) is fixedly installed on the top of the L-shaped plate, and an output shaft of the first servo motor (4) is fixedly connected to a worm (8).

5. A clean laboratory dehumidification and air supply device according to claim 1, characterized in that: The bottom end of the air supply duct (1) is fixedly connected to a dust collecting pipe (11), and the dust collecting pipe (11) is provided with fixing grooves (10) all around its interior.

6. A clean laboratory dehumidification and air supply device according to claim 5, characterized in that: An iron bar and a magnetic bar are arranged inside the fixing groove (10), a dust collecting bag is arranged at the bottom end of the dust collecting pipe (11), and the dust collecting bag is connected to the dust collecting pipe (11) via the iron bar and the magnetic bar.

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