Air supply and ventilation system for laboratory

Abstract

The utility model discloses an air supply and air exchange system of a laboratory, which comprises a laboratory main body, and an air supply and air exchange system for air supply and air exchange in the laboratory is arranged in the laboratory main body; an air suction machine arranged at the upper end of the laboratory main body is arranged in the air supply and ventilation system, an exhaust port is fixedly mounted at one end of the air suction machine, and a ventilation upper machine is fixedly mounted at the upper end of the outer side of the laboratory main body. When the air supply and exchange system is used, firstly, the two air suction machines arranged at the upper end continuously suck and discharge internal air, and after the air is discharged, the two upper and lower air exchange machines are arranged to respectively suck air from the upper part and the lower part and convey the air into a laboratory, so that the air in the laboratory is kept sufficient; and meanwhile, through switching use of the two ventilators, when the ventilators break down, normal circulation use of ventilation can be achieved through switching, and ventilation in the laboratory is kept smooth all the time.

Description

Technical Field

[0001] The utility model relates to the technical field of air supply and ventilation systems of laboratories, in particular to an air supply and ventilation system of laboratories. Background Art

[0002] The air supply and ventilation system is a system used for indoor air circulation. It discharges the dirty air in the room by supplying and exhausting air, and at the same time, it delivers fresh air into the room to keep the indoor air fresh and comfortable. The air supply and ventilation system is usually composed of a supply fan, an exhaust fan, an air duct, a filter, a regulating valve, etc., and can be designed and installed according to different needs and places. The air supply and ventilation system is widely used in various places, such as residences, offices, shopping malls, hospitals, schools, etc., which can effectively improve the indoor air quality and improve people's living and working environment.

[0003] The laboratory's air supply and ventilation system needs to provide sufficient air flow to ensure that the air quality in the laboratory meets the standards. If the air flow is insufficient, the air quality in the laboratory may deteriorate, thus affecting the experimental results.

[0004] To this end, we propose a laboratory air supply and ventilation system to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide an air supply and ventilation system for a laboratory. When using the air supply and ventilation system, first, the two suction machines arranged at the upper end continuously absorb and discharge the internal air. After the air is discharged, the two upper and lower ventilators are used to draw air from the upper and lower parts respectively for transportation to the laboratory to keep the air in the laboratory sufficient. At the same time, by switching the two ventilators, when a ventilator fails, the normal circulation of ventilation can be achieved by switching, so that the ventilation in the laboratory is always kept unobstructed, so as to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A laboratory air supply and ventilation system comprises a laboratory main body, wherein an air supply and ventilation system for supplying and ventilating air in the laboratory is installed inside the laboratory main body; the air supply and ventilation system comprises an air suction machine arranged at the upper end of the laboratory main body, an exhaust port is fixedly installed at one end of the air suction machine, an upper ventilation machine is fixedly installed at the upper end of the outer side of the laboratory main body, an air collecting trough is arranged at one end of the upper ventilation machine, and a duct is arranged at one end of the air collecting trough; and a ventilation bottom plate is arranged at the lower end of the laboratory main body, and an air port is fixedly installed at one end of the ventilation bottom plate.

[0008] In a further embodiment, a ventilation groove is provided on one side of the ventilation port, and the conduit is provided at the upper end of the ventilation groove.

[0009] In a further embodiment, a lower ventilation machine is further provided at the other end of the ventilation channel, and the lower ventilation machine and the upper ventilation machine are respectively installed on the outer wall of one side of the laboratory body.

[0010] In a further embodiment, a switching electric push rod is provided at the lower end of the ventilation groove, an L-shaped switching sealing plate is fixedly installed at the upper end of the switching electric push rod, and an embedded sealing block is provided at the upper end of the L-shaped switching sealing plate.

[0011] In a further embodiment, the L-shaped switching sealing plate will be intermittently embedded in the duct and closely connected with the air inlet of the ventilation unit by switching the electric push rod to push up and down.

[0012] In a further embodiment, an extended air collecting port is provided at one end of the ventilation upper machine.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model, when using the air supply ventilation system, firstly, two suction machines arranged at the upper end continuously absorb and discharge the internal air. After the air is discharged, two upper and lower ventilators are arranged to draw air from the upper and lower parts respectively for transportation to the laboratory, so as to keep the air in the laboratory sufficient. At the same time, by switching the two ventilators, even when a ventilator fails, the normal circulation of ventilation can be realized by switching, so that the ventilation in the laboratory is always kept unobstructed. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The figure is a schematic diagram of the overall structure of a laboratory air supply and ventilation system;

[0016] Figure 2 A laboratory air supply and ventilation system Figure 1 The enlarged structural diagram at A in the middle;

[0017] Figure 3 This is a structural schematic diagram of the L-shaped switching sealing plate of a laboratory air supply and ventilation system.

[0018] In the figure: 1. Laboratory body; 2. Suction machine; 3. Exhaust port; 4. Ventilation upper machine; 5. Extended air collecting port; 6. Air collecting trough; 7. Conduit; 8. Ventilation bottom plate; 9. Ventilation port; 10. Embedded sealing block; 11. L-shaped switching sealing plate; 12. Electric push rod; 13. Ventilation lower machine; 14. Ventilation trough. DETAILED DESCRIPTION

[0019] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-3 A laboratory air supply and ventilation system includes a laboratory body 1. The laboratory body 1 first absorbs the internal air synchronously through two suction machines 2 arranged at the upper end, and then discharges it through the exhaust port 3, thereby achieving the first step of ventilation;

[0023] At the same time of exhausting, fresh air is drawn through the ventilation lower machine 13 arranged at the outer end of the laboratory body 1, and fresh air is infused through the ventilation port 9 arranged on one side of the ventilation bottom plate 8 arranged at the lower end of the laboratory body 1. At the same time of infusion, the ventilation port 9 is provided with a ventilation slot 14, and the ventilation slot 14 can switch the ventilation work of the two ventilators. First, the L-shaped switching sealing plate 11 is pushed by the set electric push rod 12, so that the embedded sealing block 10 is embedded in the conduit 7, and the transmission port of the ventilation upper machine 4 is blocked to prevent the transmitted air from floating upward along the conduit 7;

[0024] When the ventilation upper machine 4 is in use, the L-shaped switching sealing plate 11 is driven by the electric push rod 12 to descend, and the blocked embedded sealing block 10 is pulled to make the conduit 7 become a through pipe, and one side of the L-shaped switching sealing plate 11 will block the air inlet of the ventilation lower machine 13. By starting the ventilation upper machine 4, the air is first concentrated in the air collecting tank 6, and air fresheners can be added to the air collecting tank 6. The air is then ventilated through the conduit 7 to the ventilation port 9. At the same time, when the ventilation upper machine 4 is in use, the extended air collecting port 5 can be provided to enhance the collection efficiency of the ventilation upper machine 4.

[0025] The working principle of the utility model is as follows: as shown in the figure, the laboratory body 1 first absorbs the internal air synchronously through the two suction machines 2 arranged at the upper end, and then discharges it through the exhaust port 3, thereby achieving the first step of ventilation; while discharging, fresh air is drawn through the ventilation lower machine 13 arranged at the outer end of the laboratory body 1, and fresh air is infused through the ventilation port 9 arranged on one side of the ventilation bottom plate 8 arranged at the lower end of the laboratory body 1. While infusing, the ventilation port 9 is provided with a ventilation slot 14, and the ventilation slot 14 can switch the ventilation work of the two ventilation machines. First, the L-shaped switching sealing plate 11 is pushed by the electric push rod 12, so that the embedded sealing block 1 0 is embedded in the duct 7 to block the transmission port of the ventilation upper machine 4 to prevent the transmitted air from drifting upward along the duct 7; when the ventilation upper machine 4 is used, the L-shaped switching sealing plate 11 is driven by the electric push rod 12 to descend, and the blocked embedded sealing block 10 is pulled to make the duct 7 become a through pipe, and one side of the L-shaped switching sealing plate 11 will block the air inlet of the ventilation lower machine 13, and the air is first concentrated in the air collecting tank 6 by starting the ventilation upper machine 4, and air fresheners can be added to the air collecting tank 6 at the same time, and the air is ventilated when it reaches the ventilation port 9 through the duct 7. At the same time, when the ventilation upper machine 4 is used, the extended air collecting port 5 is provided to enhance the collection efficiency of the ventilation upper machine 4.

[0026] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0027] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A laboratory air supply and ventilation system, comprising a laboratory body (1), characterized in that: The laboratory body (1) is internally installed with an air supply and ventilation system for supplying and ventilating air in the laboratory; The air supply and ventilation system comprises an air suction machine (2) arranged at the upper end of the laboratory body (1), an exhaust port (3) is fixedly installed at one end of the air suction machine (2), a ventilation upper machine (4) is fixedly installed at the upper end of the outer side of the laboratory body (1), an air collecting trough (6) is arranged at one end of the ventilation upper machine (4), and a duct (7) is arranged at one end of the air collecting trough (6); a ventilation bottom plate (8) is arranged at the lower end of the laboratory body (1), and a ventilation port (9) is fixedly installed at one end of the ventilation bottom plate (8).

2. According to claim 1, a laboratory air supply and ventilation system is characterized in that: A ventilation slot (14) is provided on one side of the ventilation port (9), and the conduit (7) is arranged at the upper end of the ventilation slot (14).

3. According to claim 2, a laboratory air supply and ventilation system is characterized in that: The other end of the ventilation channel (14) is also provided with a ventilation lower machine (13), and the ventilation lower machine (13) and the ventilation upper machine (4) are respectively installed on the outer wall of one side of the laboratory body (1).

4. The air supply and ventilation system of a laboratory according to claim 2, characterized in that: A switching electric push rod (12) is arranged at the lower end of the ventilation slot (14), an L-shaped switching sealing plate (11) is fixedly mounted at the upper end of the switching electric push rod (12), and an embedded sealing block (10) is arranged at the upper end of the L-shaped switching sealing plate (11).

5. The air supply and ventilation system of a laboratory according to claim 4, characterized in that: The L-shaped switching sealing plate (11) is intermittently embedded and connected with the conduit (7) and is closely connected with the air inlet of the ventilation lower machine (13) by switching the electric push rod (12) to push it up and down.

6. The air supply and ventilation system of a laboratory according to claim 1, characterized in that: An extended air collecting port (5) is provided at one end of the ventilation upper machine (4).

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