Air supplement type air ventilation circulation mechanism for laboratory

Abstract

The utility model relates to the technical field of air circulation, in particular to an air supplement type air ventilation circulation mechanism for a laboratory, which can filter fresh air when the fresh air is supplemented into the laboratory, prevents impurities in the air from entering the laboratory to influence the environment, and is convenient to use and high in reliability and practicability. Comprising a bottom plate and a laboratory, the laboratory is installed at the upper end of the bottom plate, and a cavity is formed in the laboratory; the laboratory further comprises an air inlet mechanism, an air exhaust mechanism, a filtering mechanism and a fresh air mechanism, the air inlet mechanism and the air exhaust mechanism are installed on the left portion and the right portion of the laboratory cavity respectively, the air exhaust mechanism is communicated with the air inlet mechanism through the filtering mechanism, the filtering mechanism has a filtering function, the fresh air mechanism is communicated with the filtering mechanism, and the fresh air mechanism has an air conveying function.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of air circulation, in particular to a laboratory air ventilation circulation mechanism of air supplementing type. BACKGROUND

[0002] Since the biological laboratory has requirements on air cleanliness, air circulation devices need to be used to circulate and purify the air in the biological laboratory. In the prior art, a biological laboratory air circulation device with patent application number 202220126558.4 is disclosed, which is mainly composed of an air extractor, a bent pipe air inlet cover, a filter screen and the like. When in use, the air extractor is turned on, the air in the laboratory enters the air inlet cover and is filtered by the filter screen, and the filtered air is discharged into the laboratory. The inventor believes that the following problems exist in the use process. When circulating the air, only the air in the laboratory is circulated and purified. After the staff work in the laboratory for a long time, the oxygen content in the laboratory will decrease, so it is necessary to supplement fresh air from the outside to the laboratory. At present, the way to supplement fresh air is to open the window for ventilation, which will inevitably cause dust and impurities from the outside to enter the laboratory, affecting the laboratory environment and being inconvenient to use. Therefore, a laboratory air circulation mechanism with air supplementing function is needed. UTILITY MODEL CONTENT

[0003] To solve the above technical problems, the utility model provides a laboratory air ventilation circulation mechanism of air supplementing type, which can filter fresh air when supplementing fresh air to the laboratory, avoids impurities in the air from entering the laboratory and affecting the environment, is convenient to use, and has high reliability and practicality.

[0004] The laboratory air ventilation circulation mechanism of air supplementing type comprises a bottom plate and a laboratory, the laboratory is installed at the upper end of the bottom plate, and a chamber is arranged in the laboratory. The laboratory air ventilation circulation mechanism of air supplementing type further comprises an air inlet mechanism, an air outlet mechanism, a filter mechanism and a fresh air mechanism. The air inlet mechanism and the air outlet mechanism are installed on the left and right sides of the chamber of the laboratory, respectively. The air outlet mechanism is communicated with the air inlet mechanism through the filter mechanism. The filter mechanism has a filtering function. The fresh air mechanism is communicated with the filter mechanism and has the function of conveying air. When in use, the air inlet mechanism is turned on, the air in the laboratory enters the filter mechanism through the air outlet mechanism, is filtered, and then the filtered air enters the laboratory again through the air inlet mechanism. When fresh air from the outside needs to be supplemented to the laboratory, the fresh air mechanism is turned on, the fresh air from the outside enters the filter mechanism, is filtered, and then the fresh air enters the laboratory through the air inlet mechanism and is used. When supplementing fresh air to the laboratory, the fresh air can be filtered, impurities in the air are avoided from entering the laboratory and affecting the environment, the laboratory air ventilation circulation mechanism of air supplementing type is convenient to use, and has high reliability and practicality.

[0005] Preferably, the air exhaust mechanism comprises an electric slide rail, a sliding plate, an air inlet pipe and a hose, the electric slide rail is fixedly installed at the right end of the laboratory chamber, the sliding plate is installed on the electric slide rail, the electric slide rail is used for moving the sliding plate up and down, the air inlet pipe is fixedly installed on the sliding plate, and the output end of the air inlet pipe is communicated with the filtering mechanism through the hose; when the air in the laboratory chamber is circulated and filtered, the air inlet mechanism is opened, the air in the laboratory chamber enters the filtering mechanism for filtering through the air inlet pipe and the hose in sequence, and the electric slide rail is opened, the electric slide rail moves the air inlet pipe up and down through the sliding plate, and the air inlet pipe uniformly inhales the air in the laboratory chamber in the process of moving up and down; the air in the laboratory chamber is conveniently exhausted, and the use is convenient.

[0006] Preferably, the filtering mechanism comprises a bracket, a cylinder, a filter plate and an air conveying pipe, the cylinder is fixedly installed on the upper end of the bottom plate through the bracket, the cylinder is provided with a cavity, the filter plate is fixedly installed in the cavity of the cylinder, the output end of the hose is communicated with the air conveying pipe, the output end of the air conveying pipe is communicated with the lower part of the cavity of the cylinder, the output end of the air conveying pipe is located below the filter plate, and the input end of the air inlet mechanism is communicated with the upper part of the cavity of the cylinder; after the air is exhausted through the hose, the air enters the lower part of the cavity of the cylinder through the air conveying pipe, then the air enters the upper part of the cavity of the cylinder after being filtered through the filter plate, and then the filtered air can be discharged into the laboratory chamber through the air inlet mechanism; through the filtering of the air in the laboratory chamber, the cleanliness of the air is ensured.

[0007] Preferably, the fresh air mechanism comprises a blower and a fresh air pipe, the blower is fixedly installed on the bottom plate, the output end of the blower is communicated with the lower part of the cavity of the cylinder through the fresh air pipe, and a valve is arranged on the fresh air pipe; when fresh air needs to be supplemented into the laboratory, the blower is opened, the air outside enters the lower part of the cavity of the cylinder through the fresh air pipe, and then the air can be discharged into the chamber of the laboratory through the air inlet mechanism after being filtered through the filter plate; the fresh air is conveniently supplemented.

[0008] Preferably, the air inlet mechanism comprises an output pipe, an air induction fan, an air purifier, an air conveying pipe and an exhaust pipe, the input end of the output pipe is communicated with the upper part of the cavity of the cylinder, the output end of the output pipe is communicated with the air purifier through the air induction fan, the output end of the air purifier is communicated with the exhaust pipe through the air conveying pipe, and the exhaust pipe is fixedly installed at the left part of the laboratory chamber; the air induction fan is opened, the air in the upper part of the cavity of the cylinder enters the air purifier in sequence through the output pipe and the air induction fan for sterilization and disinfection, then the air enters the air conveying pipe through the air purifier, then the air enters the exhaust pipe through the air conveying pipe, and then the clean air can be discharged into the laboratory chamber through the exhaust pipe; the air conveying and sterilization are facilitated.

[0009] Preferably, the water pump, the liquid delivery pipe and the spraying pipe are further included, the lower part of the cylinder is provided with a sewage pipe communicated with the cavity, the sewage pipe is provided with a valve, the output end of the water pump is communicated with the spraying pipe through the liquid delivery pipe, and the spraying pipe is installed on the upper part of the cavity; when the impurities on the filter plate need to be cleaned, the water pump is opened, and the external water enters the spraying pipe through the water pump and the liquid delivery pipe in sequence, then the water is sprayed on the filter plate through the spraying pipe to flush the impurities on the filter plate, and the flushed impurities can be discharged through the sewage pipe, thereby conveniently cleaning the impurities on the filter plate.

[0010] Preferably, the one-way valve is installed on the air delivery pipe; through the above arrangement, the reverse flow of air on the air delivery pipe is avoided, and the reliability in use is improved.

[0011] Compared with the prior art, the air filter for laboratory has the advantages that: when fresh air is supplemented into the laboratory, the fresh air can be filtered, the impurities in the air are prevented from entering the laboratory to affect the environment, the use is convenient, and the reliability and practicality are high. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is a first axonometric structural schematic view of the utility model;

[0013] Figure 2 is a second axonometric structural schematic view of the utility model;

[0014] Figure 3 is a structural schematic view of the filter mechanism and the air exhaust mechanism;

[0015] Figure 4 is a structural schematic view of the air inlet mechanism;

[0016] Figure 5 is a structural schematic view of the electric sliding rail, the air inlet pipe and the hose;

[0017] Figure 6 is a structural schematic view of the water pump, the spraying pipe and the liquid delivery pipe.

[0018] Markings in the drawings: 1, bottom plate; 2, laboratory; 3, electric sliding rail; 4, sliding plate; 5, air inlet pipe; 6, hose; 7, support; 8, cylinder; 9, filter plate; 10, air delivery pipe; 11, air blower; 12, fresh air pipe; 13, output pipe; 14, air induction fan; 15, air purifier; 16, air delivery pipe; 17, exhaust pipe; 18, water pump; 19, liquid delivery pipe; 20, spraying pipe; 21, one-way valve. DETAILED DESCRIPTION

[0019] For the convenience of understanding the utility model, the utility model will be described more fully below with reference to the relevant drawings. The utility model can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0020] Embodiment 1

[0021] As Figures 1 to 6 , the air circulation mechanism includes bottom plate 1, laboratory 2, air inlet mechanism, air outlet mechanism, filtering mechanism and fresh air mechanism, laboratory 2 is installed at the upper end of bottom plate 1, the chamber is arranged in laboratory 2, air inlet mechanism and air outlet mechanism are installed at the left and right two parts of laboratory 2 chamber respectively, air outlet mechanism is communicated with air inlet mechanism through filtering mechanism, filtering mechanism has filtering function, fresh air mechanism is communicated with filtering mechanism, fresh air mechanism has the function of conveying air; when using, open air inlet mechanism, make the air in laboratory 2 enter filtering mechanism and filter through air outlet mechanism, then the filtered air enters laboratory 2 again through air inlet mechanism, when it is needed to supplement fresh air from outside to laboratory 2, open fresh air mechanism, make the fresh air from outside enter filtering mechanism and filter, then make the fresh air enter laboratory 2 through air inlet mechanism and use, it can filter fresh air when supplementing fresh air to laboratory 2, avoid the impurities in the air from entering laboratory 2 and affecting the environment, convenient to use, high reliability and practicality.

[0022] As Figure 5 , air outlet mechanism includes electric sliding rail 3, sliding plate 4, air inlet pipe 5 and hose 6, electric sliding rail 3 is fixedly installed at the right end of laboratory 2 chamber, sliding plate 4 is installed on electric sliding rail 3, electric sliding rail 3 is used for moving sliding plate 4 up and down, air inlet pipe 5 is fixedly installed on sliding plate 4, the output end of air inlet pipe 5 is communicated with filtering mechanism through hose 6; when circulating and filtering the air in laboratory 2 chamber, open air inlet mechanism, make the air in laboratory 2 chamber enter filtering mechanism and filter through air inlet pipe 5 and hose 6 in turn, at the same time, open electric sliding rail 3, electric sliding rail 3 moves air inlet pipe 5 up and down through sliding plate 4, air inlet pipe 5 inhales the air in laboratory 2 chamber evenly in the process of moving up and down; it is convenient to discharge the air in laboratory 2 chamber, convenient to use.

[0023] As Figure 3The filtering mechanism comprises a support 7, a cylinder 8, a filtering plate 9 and a gas conveying pipe 10. The cylinder 8 is fixedly installed on the upper end of the bottom plate 1 through the support 7. The cylinder 8 is provided with a cavity. The filtering plate 9 is fixedly installed in the cavity of the cylinder 8. The output end of the hose 6 is communicated with the gas conveying pipe 10. The output end of the gas conveying pipe 10 is communicated with the lower part of the cavity of the cylinder 8. The output end of the gas conveying pipe 10 is located below the filtering plate 9. The input end of the air inlet mechanism is communicated with the upper part of the cavity of the cylinder 8. When the air is discharged through the hose 6, the air enters the lower part of the cavity of the cylinder 8 through the gas conveying pipe 10. Then, the air enters the upper part of the cavity of the cylinder 8 after being filtered through the filtering plate 9. Then, the filtered air is discharged into the chamber of the laboratory 2 through the air inlet mechanism. Through the filtering of the air in the chamber of the laboratory 2, the cleanliness of the air is ensured.

[0024] As Figure 3 The fresh air mechanism comprises a blower 11 and a fresh air pipe 12. The blower 11 is fixedly installed on the bottom plate 1. The output end of the blower 11 is communicated with the lower part of the cavity of the cylinder 8 through the fresh air pipe 12. The fresh air pipe 12 is provided with a valve. When it is needed to supplement fresh air into the laboratory 2, the blower 11 is turned on. The air outside enters the lower part of the cavity of the cylinder 8 through the fresh air pipe 12. Then, the air is discharged into the chamber of the laboratory 2 through the air inlet mechanism after being filtered through the filtering plate 9. The supplement of fresh air is facilitated.

[0025] As Figure 4 The air inlet mechanism comprises an output pipe 13, an air induction fan 14, an air purifier 15, an air conveying pipe 16 and an exhaust pipe 17. The input end of the output pipe 13 is communicated with the upper part of the cavity of the cylinder 8. The output end of the output pipe 13 is communicated with the air purifier 15 through the air induction fan 14. The output end of the air purifier 15 is communicated with the exhaust pipe 17 through the air conveying pipe 16. The exhaust pipe 17 is fixedly installed on the left part of the chamber of the laboratory 2. The air induction fan 14 is turned on. The air in the upper part of the cavity of the cylinder 8 enters the air purifier 15 through the output pipe 13 and the air induction fan 14 in sequence to be sterilized and disinfected. Then, the air enters the air conveying pipe 16 through the air purifier 15. Then, the air enters the exhaust pipe 17 through the air conveying pipe 16. Then, the clean air is discharged into the chamber of the laboratory 2 through the exhaust pipe 17. The conveying and sterilization of the air are facilitated. A one-way valve 21 is installed on the gas conveying pipe 10.

[0026] Embodiment 2

[0027] As Figure 3 and Figure 6On the basis of embodiment 1, water pump 18, infusion pipe 19 and spray pipe 20 are additionally provided, the lower part of the barrel 8 is provided with a sewage pipe communicated with the cavity, the sewage pipe is provided with a valve, the output end of the water pump 18 is communicated with the spray pipe 20 through the infusion pipe 19, and the spray pipe 20 is installed on the upper part of the cavity of the barrel 8; when the impurities on the filter plate 9 need to be cleaned, the water pump 18 is opened, so that the water outside is sequentially introduced into the spray pipe 20 through the water pump 18 and the infusion pipe 19, then the water is sprayed on the filter plate 9 through the spray pipe 20, the impurities on the filter plate 9 are washed, and the washed impurities are discharged through the sewage pipe, so that the impurities on the filter plate 9 are conveniently cleaned.

[0028] The electric sliding rail 3, the air blower 11, the air purifier 15, the water pump 18, the spray pipe 20 and the one-way valve 21 of the air ventilation and circulation mechanism of the air ventilation and circulation mechanism of the laboratory are all purchased on the market, and the technical personnel in the industry only needs to install and operate according to the attached instruction manual, and the technical personnel in the field does not need to pay creative labor.

[0029] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary technical personnel in the technical field, on the premise of not departing from the technical principle of the utility model, a plurality of improvements and modifications can be made, and these improvements and modifications should be regarded as the protection range of the utility model.

Claims

1. A make-up air ventilation circulation mechanism for a laboratory, comprising a base plate (1) and a laboratory (2) installed at the upper end of the base plate (1), and a cavity is provided in the laboratory (2); characterized in that, The air inlet mechanism and the air outlet mechanism are respectively installed on the left and right parts of the laboratory (2) chamber, the air outlet mechanism is communicated with the air inlet mechanism through the filtering mechanism, the filtering mechanism has a filtering function, and the fresh air mechanism is communicated with the filtering mechanism and has an air conveying function.

2. A make-up air ventilation system for a laboratory as defined in claim 1, wherein, The air outlet mechanism comprises an electric sliding rail (3), a sliding plate (4), an air inlet pipe (5) and a hose (6), the electric sliding rail (3) is fixedly installed at the right end of the laboratory (2) chamber, the sliding plate (4) is installed on the electric sliding rail (3), the electric sliding rail (3) is used for moving the sliding plate (4) up and down, the air inlet pipe (5) is fixedly installed on the sliding plate (4), and the output end of the air inlet pipe (5) is communicated with the filtering mechanism through the hose (6).

3. A make-up air plenum for a laboratory air ventilation circulation system as defined in claim 2 wherein, The filtering mechanism comprises a support (7), a cylinder (8), a filter plate (9) and an air conveying pipe (10), the cylinder (8) is fixedly installed on the upper end of the bottom plate (1) through the support (7), the cylinder (8) is provided with a cavity, the filter plate (9) is fixedly installed in the cavity of the cylinder (8), the output end of the hose (6) is communicated with the air conveying pipe (10), the output end of the air conveying pipe (10) is communicated with the lower part of the cavity of the cylinder (8), the output end of the air conveying pipe (10) is located below the filter plate (9), and the input end of the air inlet mechanism is communicated with the upper part of the cavity of the cylinder (8).

4. A make-up air plenum for a laboratory air ventilation circulation system as defined in claim 3 wherein, The fresh air mechanism comprises a blower (11) and a fresh air pipe (12), the blower (11) is fixedly installed on the bottom plate (1), the output end of the blower (11) is communicated with the lower part of the cavity of the cylinder (8) through the fresh air pipe (12), and a valve is arranged on the fresh air pipe (12).

5. A make-up air plenum for a laboratory air ventilation circulation system as defined in claim 3 wherein, The air inlet mechanism comprises an output pipe (13), an air inlet fan (14), an air purifier (15), an air conveying pipe (16) and an exhaust pipe (17), the input end of the output pipe (13) is communicated with the upper part of the cavity of the cylinder (8), the output end of the output pipe (13) is communicated with the air purifier (15) through the air inlet fan (14), the output end of the air purifier (15) is communicated with the exhaust pipe (17) through the air conveying pipe (16), and the exhaust pipe (17) is fixedly installed on the left part of the laboratory (2) chamber.

6. A make-up air plenum for a laboratory air ventilation circulation system as defined in claim 3 wherein, The water pump (18), the liquid conveying pipe (19) and the spraying pipe (20) are further arranged, the lower part of the cylinder (8) is provided with a sewage pipe communicated with the cavity, a valve is arranged on the sewage pipe, the output end of the water pump (18) is communicated with the spraying pipe (20) through the liquid conveying pipe (19), and the spraying pipe (20) is installed on the upper part of the cavity of the cylinder (8).

7. A make-up air plenum for a laboratory air ventilation circulation system as defined in claim 3 wherein, The one-way valve (21) is installed on the air conveying pipe (10).

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