Clean laboratory ventilation device

Abstract

The utility model discloses a clean laboratory ventilation device which comprises a ventilation installation plate, front installation frames are fixedly installed on the two sides of the outer surface of the front face of the ventilation installation plate, a fan motor is installed in the center of the interior of each front installation frame, an output shaft of each fan motor is fixedly connected with an inner rotating shaft, and a plurality of ventilation fan blades are installed on the outer surface of each inner rotating shaft. The ventilation fan blades are circumferentially distributed at equal intervals through the center circle point of the inner rotating shaft, a plurality of strip-shaped ventilation grooves which are linearly distributed at equal intervals are formed in the ventilation installation plate, a rear installation frame is fixedly installed on the back face of the ventilation installation plate through fixing screws, and an air filtering box is fixedly installed on the outer surface of the rear installation frame through fixing bolts. The ventilation device can effectively kill and filter harmful germs, impurities and dust in introduced air, the using effect of the ventilation device is greatly improved, the normal cleanliness of a clean laboratory is guaranteed, laboratory pollution is avoided, and the ventilation device has good practicability and use performance.

Description

Technical Field

[0001] The utility model relates to a ventilation device, in particular to a clean laboratory ventilation device, belonging to the technical field of clean laboratory ventilation equipment. Background Art

[0002] The clean laboratory is centered on clean experiments and includes various auxiliary rooms and self-contained functional areas. The clean laboratory applies air clean technology, establishes scientific personnel and material processes and strict zoning management, and ultimately achieves the purpose of controlling particulate pollution and ensuring the safety of laboratory animals. In order to ensure the air clean technology of the clean laboratory, it is necessary to set up independent ventilation devices in the clean laboratory to ensure smooth ventilation in the clean laboratory.

[0003] However, when the existing clean laboratory ventilation devices are in use, most of them can only meet the normal air exchange and circulation needs, and are unable to perform preliminary filtration, purification, and sterilization of the air introduced into the clean laboratory, which can easily cause the clean laboratory to be contaminated by impurities and affect the internal quality of the clean laboratory. Utility Model Content

[0004] The utility model provides a clean laboratory ventilation device, which is used to solve the problems raised in the background technology.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] The utility model discloses a clean laboratory ventilation device, comprising a ventilation mounting plate, wherein the four corners of the ventilation mounting plate are all designed in an arc-shaped structure, front mounting frames are fixedly mounted on both sides of the front outer surface of the ventilation mounting plate, the front mounting frame adopts a circular structure design, a fan motor is mounted at the center position inside the front mounting frame, the output shaft of the fan motor is fixedly connected with an inner rotating shaft, a plurality of ventilation fan blades are mounted on the outer surface of the inner rotating shaft, the ventilation fan blades are distributed in a circumferential manner with equal intervals through the center point of the inner rotating shaft, a plurality of strip ventilation slots with equal intervals and linear distribution are opened on the ventilation mounting plate, a rear mounting frame is fixedly mounted on the back of the ventilation mounting plate by fixing screws, and an air filter box is fixedly mounted on the outer surface of the rear mounting frame by fixing bolts.

[0007] Furthermore, in order to ensure the normal air outlet effect of the air filter box, an air outlet back plate is fixedly installed on one end surface of the air filter box away from the rear mounting frame by fixing screws, and a plurality of air outlets with equal spacing and linear distribution are opened on the outer surface of the air outlet back plate.

[0008] Furthermore, in order to illustrate the internal structure of the air filter box, the interior of the air filter box is designed as a hollow structure, and the air filter box includes a primary filter, which is installed inside the air filter box on one side close to the ventilation mounting plate, and a secondary filter is fixedly installed on the back of the primary filter and inside the air filter box.

[0009] Furthermore, in order to improve the use effect of the filter, the mesh number of the primary filter is smaller than that of the secondary filter, and the mesh number of the secondary filter is twice that of the primary filter.

[0010] Furthermore, in order to facilitate the adsorption of impurities in the air, a third-level activated carbon adsorption plate is fixedly installed on the outer wall of the secondary filter screen on one side away from the primary filter screen by fixing screws.

[0011] Furthermore, in order to improve the sterilization effect, a sterilization chamber is provided on the back of the three-stage activated carbon adsorption plate and inside the air filter box, and a photohydrogen ion sterilization lamp is electrically installed inside the sterilization chamber.

[0012] Compared with the prior art, the utility model provides the following beneficial effects:

[0013] The utility model provides an air filter box on the inlet surface of the ventilation mounting plate. The primary filter screen provided in the air filter box can effectively filter large dust, catkins or impurities in the air, thereby achieving the purpose of coarse air filtration. The secondary filter screen provided can effectively filter and block small dust and impurities in the air, thereby greatly improving the effect of fine filtration and effectively reducing the impurity content of the air entering the clean laboratory.

[0014] The utility model is provided with a three-stage activated carbon adsorption plate. Activated carbon is a specially treated carbon with a large specific surface area. It can effectively adsorb gas through its developed microporous structure, greatly improving the use effect of air adsorption and purification. In addition, a photohydrogen ion sterilization lamp is provided. The photohydrogen ion lamp tube is mainly based on the use of a specific spectrum of light waves to ionize, collide and combine oxygen molecules in the air, and generate hydrogen peroxide, hydroxyl free radicals and negative ions through photoelectrochemistry. These generated substances have a strong redox effect, can sterilize and degrade harmful substances in the air. In addition, the photohydrogen ion technology can quickly and efficiently kill various bacteria in the air, oxidize and decompose chemical toxic and harmful gases in the air, thereby purifying the air, and has a good sterilization and purification effect.

[0015] The utility model can ensure the normal ventilation and air exchange of the clean laboratory through the coordinated use of the above structure, and can effectively kill and filter harmful bacteria and impurity dust in the introduced air, which greatly improves the use effect of the ventilation device of the utility model, ensures the normal cleanliness of the clean laboratory, avoids laboratory pollution, has good practicality, good performance, simple overall structure, low manufacturing and maintenance costs, and is suitable for popularization and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a front three-dimensional structural schematic diagram of the ventilation device of the utility model;

[0018] Figure 2 It is a schematic diagram of the three-dimensional structure of the back side of the ventilation device of the utility model;

[0019] Figure 3 It is a schematic diagram of the rear installation frame structure of the ventilation device of the utility model;

[0020] Figure 4 It is a schematic diagram of the internal structure of the air filter box of the utility model.

[0021] In the figure: 1. ventilation mounting plate; 2. front mounting frame; 3. inner rotating shaft; 4. ventilation fan blades; 5. strip ventilation slots; 6. rear mounting frame; 7. air filter box; 701. primary filter screen; 702. secondary filter screen; 703. tertiary activated carbon adsorption plate; 704. sterilization chamber; 705. photohydrogen ion sterilization lamp; 8. air outlet back panel; 9. air outlet. DETAILED DESCRIPTION

[0022] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0023] According to an embodiment of the utility model, a clean laboratory ventilation device is provided.

[0024] The present invention is now further described in conjunction with the accompanying drawings and specific implementation methods. Figure 1-4 As shown, a clean laboratory ventilation device according to an embodiment of the utility model includes a ventilation mounting plate 1, the four corners of the ventilation mounting plate 1 are all designed with an arc structure, front mounting frames 2 are fixedly installed on both sides of the front outer surface of the ventilation mounting plate 1, the front mounting frame 2 adopts a circular structure design, a fan motor is installed at the center position inside the front mounting frame 2, the output shaft of the fan motor is fixedly connected with an inner rotating shaft 3, a plurality of ventilation fan blades 4 are installed on the outer surface of the inner rotating shaft 3, the ventilation fan blades 4 are distributed in a circle with equal intervals through the center point of the inner rotating shaft 3, a plurality of strip ventilation slots 5 with equal intervals and linear distribution are opened on the ventilation mounting plate 1, a rear mounting frame 6 is fixedly installed on the back of the ventilation mounting plate 1 by fixing screws, and an air filter box 7 is fixedly installed on the outer surface of the rear mounting frame 6 by fixing bolts.

[0025] In one embodiment, an air outlet back plate 8 is fixedly mounted on one end surface of the air filter box 7 away from the rear mounting frame 6 by fixing screws, and a plurality of air outlets 9 linearly distributed with equal spacing are provided on the outer surface of the air outlet back plate 8 .

[0026] In one embodiment, the interior of the air filter box 7 is designed as a hollow structure, and the air filter box 7 includes a primary filter 701, which is installed inside the air filter box 7 on one side close to the ventilation mounting plate 1, and a secondary filter 702 is fixedly installed on the back of the primary filter 7 and inside the air filter box 7.

[0027] In one embodiment, the mesh number of the primary filter 701 is smaller than the mesh number of the secondary filter 702 , and the mesh number of the secondary filter 702 is twice that of the primary filter 701 .

[0028] In one embodiment, a third-level activated carbon adsorption plate 703 is fixedly mounted on the outer wall of the secondary filter 702 away from the primary filter 701 by fixing screws.

[0029] In one embodiment, a sterilization chamber 704 is provided on the back side of the three-stage activated carbon adsorption plate 703 and inside the air filter box 7 , and a photohydrogen ion sterilization lamp 705 is electrically installed inside the sterilization chamber 704 .

[0030] Working principle: The utility model is provided with a ventilation installation plate 1, and the utility model can be installed as a whole in a clean laboratory through the ventilation installation plate 1. At the same time, during installation, the air filter box 7 is installed inside the clean laboratory, and the ventilation fan blades 4 of the ventilation installation plate 1 are placed in the external environment;

[0031] The utility model can rotate the ventilation blades 4 driven by the fan motor, and introduce the outside air into the clean laboratory through the ventilation blades 4 on one side, thereby ensuring the normal ventilation of the ventilation device;

[0032] The utility model is provided with an air filter box 7 on the inlet surface of the ventilation mounting plate 1. The primary filter screen 701 provided in the air filter box 1 can effectively filter large dust, catkins or impurities in the air, thereby achieving the purpose of coarse air filtration. The secondary filter screen 702 provided can effectively filter and block small dust and impurities in the air, thereby greatly improving the effect of fine filtration and effectively reducing the impurity content of the air entering the clean laboratory.

[0033] The utility model is provided with a three-stage activated carbon adsorption plate 703. Activated carbon is a specially treated carbon with a large specific surface area. It can effectively adsorb gas through its developed microporous structure, greatly improving the effect of air adsorption and purification. In addition, a photohydrogen ion sterilization lamp 705 is provided. The photohydrogen ion lamp tube 605 mainly ionizes, collides and combines oxygen molecules in the air by using a specific spectrum of light waves, and generates hydrogen peroxide, hydroxyl radicals and negative ions through photoelectrochemistry. These generated substances have a strong redox effect, can sterilize and degrade harmful substances in the air. In addition, the photohydrogen ion technology can quickly and efficiently kill various bacteria in the air, oxidize and decompose chemical toxic and harmful gases in the air, thereby purifying the air, and has a good sterilization and purification effect.

[0034] The utility model can ensure the normal ventilation and air exchange of the clean laboratory through the coordinated use of the above structure, and can effectively kill and filter harmful bacteria and impurity dust in the introduced air, which greatly improves the use effect of the ventilation device of the utility model, ensures the normal cleanliness of the clean laboratory, avoids laboratory pollution, has good practicality, good performance, simple overall structure, low manufacturing and maintenance costs, and is suitable for popularization and use.

[0035] To sum up, with the help of the above-mentioned technical solution of the utility model, the technical problem in the background technology that "most of the existing clean laboratory ventilation devices can only meet the normal air exchange and circulation needs when in use, and cannot perform preliminary filtration, purification, and sterilization on the air introduced into the clean laboratory, which easily causes the interior of the clean laboratory to be contaminated by impurities and affects the internal quality of the clean laboratory" is solved.

[0036] In the present utility model, unless otherwise clearly specified and limited, the terms "installation", "setting", "connection", "fixation", "screwing" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly limited, ordinary technicians in this field can understand the specific meanings of the above terms in the present utility model according to the specific circumstances. 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 clean laboratory ventilation device, characterized in that: The invention comprises a ventilation installation plate (1), wherein the four corners of the ventilation installation plate (1) are all of arc-shaped structural design, a front installation frame (2) is fixedly installed on both sides of the front outer surface of the ventilation installation plate (1), the front installation frame (2) adopts a circular structural design, a fan motor is installed at the center position inside the front installation frame (2), the output shaft of the fan motor is fixedly connected to the inner rotating shaft (3), a plurality of ventilation fan blades (4) are installed on the outer surface of the inner rotating shaft (3), the ventilation fan blades (4) are distributed at equal intervals around the circumference through the center point of the inner rotating shaft (3), a plurality of strip ventilation slots (5) with equal intervals and linear distribution are opened on the ventilation installation plate (1), a rear installation frame (6) is fixedly installed on the back of the ventilation installation plate (1) by fixing screws, and an air filter box (7) is fixedly installed on the outer surface of the rear installation frame (6) by fixing bolts.

2. A clean laboratory ventilation device according to claim 1, characterized in that: An air outlet back plate (8) is fixedly mounted on one end surface of the air filter box (7) away from the rear mounting frame (6) by means of fixing screws, and a plurality of air outlets (9) which are linearly distributed at equal intervals are provided on the outer surface of the air outlet back plate (8).

3. A clean laboratory ventilation device according to claim 1, characterized in that: The interior of the air filter box (7) is designed as a hollow structure, and the air filter box (7) comprises a primary filter screen (701), and the primary filter screen (701) is installed inside the air filter box (7) on a side close to the ventilation mounting plate (1), and a secondary filter screen (702) is fixedly installed on the back of the primary filter screen (701) and located inside the air filter box (7).

4. A clean laboratory ventilation device according to claim 3, characterized in that: The mesh number of the primary filter (701) is smaller than the mesh number of the secondary filter (702), and the mesh number of the secondary filter (702) is twice that of the primary filter (701).

5. A clean laboratory ventilation device according to claim 3, characterized in that: A third-level activated carbon adsorption plate (703) is fixedly mounted on the outer wall of the second-level filter screen (702) on a side away from the first-level filter screen (701) by fixing screws.

6. A clean laboratory ventilation device according to claim 5, characterized in that: A sterilization chamber (704) is provided on the back side of the three-stage activated carbon adsorption plate (703) and inside the air filter box (7), and a photohydrogen ion sterilization lamp (705) is electrically installed inside the sterilization chamber (704).

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