Hollow air return structure of enclosure system of clean room

Abstract

The hollow air return structure of the clean room enclosure system comprises a hollow air return wallboard, an air return channel is arranged in the hollow air return wallboard, an air inlet of the air return channel is formed in the lower end of the hollow air return wallboard, and an air outlet of the air return channel is formed in the lower end of the hollow air return wallboard. The return air guide plate is arranged in the return air channel and is close to the air inlet, the return air plenum chamber is fixedly connected with the upper end of the hollow return air wallboard, a mute air duct is arranged in the return air plenum chamber, and the mute air duct is communicated with the air outlet of the return air channel; according to the hollow air return structure of the enclosure system of the clean room, the hollow wallboard design is adopted, the air return channel is arranged in the wallboard, and the air return flow guide plate is matched, so that the air return amount in the clean room is effectively increased, the air return efficiency is improved, meanwhile, the air return plenum chamber is arranged at the air outlet of the air return channel, and the air return efficiency is improved. And the noise can be effectively reduced when airflow passes through the mute air duct.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of clean room enclosure systems, in particular to a hollow return air structure of a clean room enclosure system. BACKGROUND

[0002] The clean room enclosure system is widely used in the fields of biological medicine, laboratory, electronic semiconductor, aerospace, food, cosmetics, hospital, precision instrument manufacturing, etc. The traditional clean room needs to be equipped with an additional return air system to ensure the circulation of clean air in the clean room. The return air system needs to pass through or bypass the wallboard of the clean room to realize the air circulation between the inside and outside of the clean room. The design and installation of the return air system are difficult, and the air flow circulation efficiency is low. SUMMARY

[0003] In order to overcome the above-mentioned shortcomings, the purpose of the present application is to provide a hollow return air structure of a clean room enclosure system, thereby effectively solving the above-mentioned technical problems.

[0004] In order to achieve the above purpose, the present application adopts the following technical scheme:

[0005] The present application provides a hollow return air structure of a clean room enclosure system, comprising:

[0006] A hollow return air wallboard is internally provided with a return air channel, an air inlet of the return air channel is arranged at a lower end of the hollow return air wallboard, and an air outlet of the return air channel is arranged at the lower end of the hollow return air wallboard,

[0007] A return air flow guide plate is arranged in the return air channel and close to the air inlet,

[0008] A return air static pressure box is fixedly connected with an upper end of the hollow return air wallboard, and is internally provided with a silent air duct, which is in communication with the air outlet of the return air channel.

[0009] Further, the return air flow guide plate comprises a first support part, a flow guide part and a second support part, wherein,

[0010] The first support part is a flat plate, the surface of the first support part is attached to the first side wall surface of the return air channel, the flow guide part is an inclined plate, the lower end of the flow guide part is flush with the lower end of the air inlet of the return air channel, and the second support part is a flat plate, the surface of the second support part is attached to the second side wall surface opposite to the first side of the return air channel.

[0011] Further, the upper end of the hollow return air wallboard is provided with a frame-shaped keel, the return air static pressure box is fixedly arranged at the upper end of the hollow return air wallboard through the frame-shaped keel, the arch-shaped steel frame of the upper end port is changed into a frame-shaped keel self-breaking piece with a turned-up edge and is matched with the static pressure box, the original mode of cutting the top arch-shaped steel frame on site and then installing the static pressure box is changed, and the pollution of the cutting debris to the clean room and the secondary injury to the installation personnel are avoided.

[0012] Further, the lower end of the return air static pressure box is provided with a rectangular protruding portion, the rectangular protruding portion is inserted into the air outlet of the return air channel from the upper end of the hollow return air wallboard.

[0013] Further, the lower end of the hollow return air wallboard is provided with an inner circular arc paste plate, and the upper end of the inner circular arc paste plate is flush with the lower end of the air outlet of the return air channel.

[0014] Advantageous effects

[0015] The hollow return air structure of the clean room envelope system provided in the application adopts a hollow wallboard design, a return air channel is arranged in the wallboard, and a return air flow guide plate is matched, so that the return air volume in the clean room is effectively improved, the return air efficiency is improved, and a return air static pressure box is arranged at the air outlet of the return air channel, and the airflow passing through the silent air duct can effectively reduce noise. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings are used to provide an understanding of the technical solutions of the present application, and constitute a part of the specification, and are used together with the embodiments of the present application to explain the technical solutions of the present application, and do not constitute a limitation on the technical solutions of the present application. The shapes and sizes of the components in the drawings do not reflect the true proportions, and the purpose is only to schematically illustrate the content of the application.

[0017] Figure 1 The overall schematic view of the hollow return air structure provided for an embodiment of the application.

[0018] Figure 2 The schematic view of the hollow return air wall structure provided for an embodiment of the application.

[0019] Figure 3 The schematic view of the return air flow guide plate structure provided for an embodiment of the application.

[0020] Figure 4 The schematic view of the return air static pressure box structure provided for an embodiment of the application.

[0021] In the above drawings,

[0022] 1, hollow return air wallboard; 2, return air passage; 3, return air flow guide plate; 31, first support part; 32, flow guide part; 33, second support part; 4, return air static pressure box; 5, frame-shaped keel; 6, inner circular arc pasting plate; 7, rectangular protruding part. DETAILED DESCRIPTION

[0023] The above solutions are further described below in conjunction with specific examples. It should be understood that these examples are used to illustrate the present application but not to limit the scope of the present application. The implementation conditions used in the examples can be further adjusted as the specific manufacturer's conditions, and the implementation conditions not mentioned are usually the conditions in the conventional experiments.

[0024] Unless otherwise defined, technical terms or scientific terms used in the embodiments of the present disclosure shall have the common meaning understood by one of ordinary skill in the art to which the present application pertains. The terms "first", "second", and similar terms used in the embodiments of the present disclosure do not denote any order, quantity, or importance, but are used to distinguish different components. The terms "include", "contain", and similar terms mean that the elements or objects before the terms encompass the elements or objects listed after the terms and their equivalents, and do not exclude other elements or objects. The terms "connect" or "connected" and similar terms are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. In this document, "electrically connected" includes the case where the constituent elements are connected together through an element having a certain electrical effect. The element having a certain electrical effect is not particularly limited as long as it can perform the transmission of electrical signals between the connected constituent elements. The element having a certain electrical effect may, for example, be an electrode or a wiring, or a switching element such as a transistor, or another functional element such as a resistor, an inductor, or a capacitor. The terms "upper", "lower", "left", "right", and the like are used only to indicate relative positional relationships, and when the absolute positions of the described objects change, the relative positional relationships can also change accordingly.

[0025] In the present application, the terms "upper", "lower", "inner", "middle", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements, or components to have a particular orientation, or to be constructed and operated in a particular orientation.

[0026] EMBODIMENT

[0027] An embodiment of the present application provides a hollow return air structure in a clean room envelope system,

[0028] As shown in the drawings, Figure 1 The hollow return air structure includes a hollow return air wallboard 1, as shown in the drawings, Figure 2As shown, the hollow return air wallboard 1 is internally provided with a return air passage 2, the air inlet of the return air passage 2 is arranged at the lower end of the hollow return air wallboard 1, and the air outlet of the return air passage 2 is arranged at the lower end of the hollow return air wallboard 1.

[0029] As shown in the drawings, Figure 2 and 3 As shown, a return air flow guide plate 3 is arranged in the return air passage 2, the return air flow guide plate 3 is a color steel plate, and the return air flow guide plate 3 includes a first support part 31, a flow guide part 32, and a second support part 33. The first support part 31 is a flat plate, the surface of the first support part 31 is attached to the first side wall surface of the return air passage 2, and is fixed in the return air passage 2 by screw connection or welding. The flow guide part 32 is an inclined plate, the lower end of the flow guide part 32 is flush with the lower end of the air inlet of the return air passage 2, and the airflow can quickly enter the return air passage 2 from the air inlet through the guidance of the inclined plate. The second support part 33 is a flat plate, the surface of the second support part 33 is attached to the second side wall surface of the return air passage 2 opposite to the first side, and is fixed in the return air passage 2 by screw connection or welding.

[0030] As shown in the drawings, Figure 4 As shown, a return air static pressure box 4 is installed at the upper end of the hollow return air wallboard 1, the return air static pressure box 4 is integrally formed by bending, welding, polishing and spraying processes of a 1.0 mm galvanized sheet and a 1.5 mm galvanized sheet, the return air static pressure box 4 is internally provided with a silent air duct, the silent air duct is in communication with the air outlet of the return air passage 2, the return air static pressure box functions to reduce airflow noise, one end of the silent air duct is in communication with the return air passage 2 of the hollow wall body, and the other end is in communication with a filter to purify and filter the air.

[0031] In some embodiments, a frame-shaped keel 5 is arranged at the upper end of the hollow return air wallboard 1, the return air static pressure box 4 is fixedly arranged at the upper end of the hollow return air wallboard 1 through the frame-shaped keel 5, the I-shaped steel frame at the upper end is changed to a frame-shaped keel with a turned-up edge, which is matched with the static pressure box, changing the previous way of cutting the I-shaped steel frame at the top and then installing the static pressure box, avoiding the pollution of the cutting debris to the clean room and the secondary injury to the installation personnel, and the lower end of the return air static pressure box 4 is provided with a rectangular protruding part 7, the rectangular protruding part 7 is inserted into the air outlet of the return air passage 2 from the upper end of the hollow return air wallboard 1, facilitating disassembly and assembly.

[0032] In some embodiments, an inner circular arc plate 6 is arranged at the lower end of the hollow return air wallboard 1, the upper end of the inner circular arc plate 6 is flush with the lower end of the air outlet of the return air passage 2, and the inner circular arc plate 6 can effectively guide the airflow.

[0033] The above examples are only for illustrating the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and to implement it, and cannot limit the protection scope of the present application. Any equivalent transformation or modification made in the spirit and essence of the present application should be covered within the protection scope of the present application.

Claims

1. A hollow return air structure for a cleanroom enclosure system, characterized in that: The hollow return air wallboard is internally provided with a return air passage, an air inlet of the return air passage is arranged at a lower end of the hollow return air wallboard, and an air outlet of the return air passage is arranged at the lower end of the hollow return air wallboard, The return air flow guide plate is arranged in the return air passage and close to the air inlet, The return air static pressure box is fixedly connected with an upper end of the hollow return air wallboard, and is internally provided with a quiet air duct, the quiet air duct is in communication with the air outlet of the return air passage.

2. The hollow return air structure of the clean room envelope system according to claim 1, wherein the return air flow guide plate comprises a first support part, a flow guide part and a second support part, wherein the first support part is a flat plate, a surface of the first support part is attached to a first side wall surface of the return air passage, the flow guide part is an inclined plate, a lower end of the flow guide part is flush with a lower end of the air inlet of the return air passage, the second support part is a flat plate, a surface of the second support part is attached to a second side wall surface opposite to the first side wall surface of the return air passage.

3. The hollow return air structure of the clean room envelope system according to claim 1, wherein an upper end of the hollow return air wallboard is provided with a frame-shaped keel, and the return air static pressure box is fixedly arranged at the upper end of the hollow return air wallboard through the frame-shaped keel.

4. The hollow return air structure of the clean room envelope system according to claim 3, wherein a lower end of the return air static pressure box is provided with a rectangular protruding part, and the rectangular protruding part is inserted into the air outlet of the return air passage from the upper end of the hollow return air wallboard.

5. The hollow return air structure of the clean room envelope system according to claim 1, wherein a lower end of the hollow return air wallboard is provided with an inner circular arc attaching plate, and an upper end of the inner circular arc attaching plate is flush with a lower end of the air outlet of the return air passage. ​ ​ ​ ​ ​ ​

Images