CN215412302U

CN215412302U - Laminar flow hood for production of clean workshop

Info

Publication number: CN215412302U
Application number: CN202121017790.6U
Authority: CN
Inventors: 陶卫华
Original assignee: Zhuhai Youxing Purification Technology Co ltd
Current assignee: Zhuhai Youxing Purification Technology Co ltd
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2022-01-04
Anticipated expiration: 2031-05-12

Abstract

The utility model discloses a laminar flow hood for clean workshop production, which comprises an outer shell, a top plate, an assembly shell, a light lamp, an assembly frame, a fan and filter paper, wherein a middle plate is fixedly arranged in the middle of the inner side of the outer shell, an inner shell is inserted between the middle plate and the left and right side walls of the outer shell, air passing holes are formed in the middle of the upper end and the lower end of the inner shell, a middle pipe is fixedly arranged on the inner wall of the top end of the inner shell, an ultraviolet lamp is fixedly arranged in the middle of the inner side of the middle pipe, a support frame is fixedly arranged on the lower portion of the inner side of the inner shell, the fan is fixedly arranged at the top end of the support frame, and the fan is fixedly connected with the middle pipe. The filter paper and filter plate combined type air conditioner is reasonable in structural design, the inner diameter is optimized and is uniformly discharged from the lower portion, the air flowing speed is reduced through the enlarged drift diameter, the wind noise is reduced, the use is convenient and quick, the filter paper and filter plate can be replaced by adopting a combined type structure, the disassembly and assembly are convenient, the maintenance is convenient, and the practicability is high.

Description

Laminar flow hood for production of clean workshop

Technical Field

The utility model relates to the field of clean workshops, in particular to a laminar flow hood for clean workshop production.

Background

Clean rooms (Clean rooms), also known as Clean rooms, Clean rooms or Clean rooms. The main function of the clean room is indoor pollution control, and without the clean room, the pollution sensitive parts cannot be produced in batch. Within FED-STD-2, a clean room is defined as a room with air filtration, distribution, optimization, construction materials and equipment, where specific, regular operating procedures are used to control the airborne particle concentration to achieve the proper particle cleanliness level. The cleanliness and the sustained stability of pollution control are the core criteria for checking the quality of clean rooms, which are classified into several classes according to factors such as the regional environment, the degree of decontamination, etc.

Current clean workshop production is with laminar flow cover structure simple and crude, is mostly the overall structure of welded formula, and the later stage dismouting is loaded down with trivial details, and it is inconvenient to maintain, and the air current flow line of device is unreasonable, and air impact leads to the noise big, and the internal consumption spare is changed complex operation, uses inconveniently.

Accordingly, one skilled in the art provides a laminar flow hood for clean room production to solve the problems set forth in the background art.

Disclosure of Invention

The utility model aims to provide a laminar flow hood for clean workshop production, which solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

a laminar flow hood for production in a clean workshop comprises an outer shell, a top plate, an assembly shell, a light lamp, an assembly frame, a fan and filter paper, wherein a middle plate is fixedly arranged at the middle part of the inner side of the outer shell, an inner shell is inserted and installed between the middle plate and the left and right side walls of the outer shell, air passing holes are formed in the middle parts of the upper and lower ends of the inner shell, a middle pipe is fixedly installed on the inner wall of the top end of the inner shell, an ultraviolet lamp is fixedly installed at the middle part of the inner side of the middle pipe, a support frame is fixedly installed at the lower part of the inner side of the inner shell, the fan is fixedly connected with the middle pipe, symmetrically arranged inserting rods are fixedly installed on the outer wall of the bottom end of the inner shell, sliding sleeves are installed outside the inserting rods, the assembly shell is fixedly installed between the sliding sleeves, a pressing frame is installed at the bottom end of the assembly shell, the filter plate is installed between the pressing frame and the assembly shell in a pressing mode, a sealing ring is fixedly installed on the side wall of the top end of the assembly shell, and the side wall of the top end of the sealing ring is tightly pressed and the side wall of the bottom end of the inner shell, the utility model discloses a filter paper filter assembly, including the inserted bar, the bottom plate is installed through the bolt crimping to the inserted bar bottom, and the bottom plate is established to the bottom plate inboard and is inlayed fixed mounting have with filter plate complex air distribution plate, shell bottom lateral wall fixed mounting has the drain pan, and drain pan outside lower part fixed mounting has an assembly seat, the ventilation window has been seted up to the lateral wall around the shell, the shell is located ventilation window department and inlays to establish and installs the assembly jig, and there is the flow equalization board in the assembly jig outside through bolt fixed mounting, and the crimping is installed filter paper between flow equalization board and the assembly jig.

As a further scheme of the utility model: the side wall of the top end of the bottom plate is fixedly provided with a gasket, and the side wall of the top end of the gasket is tightly pressed and connected with the side wall of the bottom end of the pressing frame.

As a still further scheme of the utility model: and an assembly ring is fixedly arranged at the joint position between the middle pipe and the fan.

As a still further scheme of the utility model: the ultraviolet lamp and the fan are electrically connected with an external power supply and external control equipment through wiring harnesses.

As a still further scheme of the utility model: and a mesh plate is fixedly arranged on the inner side of the assembly frame and is in compression joint assembly with the filter paper.

Compared with the prior art, the utility model has the beneficial effects that:

the filter paper and filter plate combined type air conditioner is reasonable in structural design, the inner diameter is optimized and is uniformly discharged from the lower portion, the air flowing speed is reduced through the enlarged drift diameter, the wind noise is reduced, the use is convenient and quick, the filter paper and filter plate can be replaced by adopting a combined type structure, the disassembly and assembly are convenient, the maintenance is convenient, and the practicability is high.

Drawings

FIG. 1 is a schematic structural view of a laminar flow hood for clean room production.

FIG. 2 is a schematic side view of a laminar flow hood for clean room manufacturing between an outer shell and an inner shell.

FIG. 3 is a schematic side view of a clean room process laminar flow hood with flow equalization plates, filter paper, and mounting brackets.

FIG. 4 is an enlarged view of the lower middle portion of a laminar flow hood for clean room production.

In the figure: the device comprises a shell 1, a top plate 2, a bottom shell 3, a sliding sleeve 4, a filter plate 5, an air distribution plate 6, an assembly shell 7, a bottom plate 8, an assembly seat 9, an inner shell 10, a middle pipe 11, an ultraviolet lamp 12, an assembly frame 13, a fan 14, a middle plate 15, a flow equalizing plate 16, an assembly ring 17, an inserted rod 18, filter paper 19, a support frame 20, a sealing ring 21 and a press frame 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, in the embodiment of the utility model, a laminar flow hood for clean workshop production comprises an outer shell 1, a top plate 2, an assembly shell 7, a light lamp 12, an assembly frame 13, a fan 14 and filter paper 19, wherein a middle plate 15 is fixedly installed at the middle part of the inner side of the outer shell 1, an inner shell 10 is installed between the middle plate 15 and the left and right side walls of the outer shell 1 in an inserted manner, air passing holes are formed in the middle parts of the upper and lower ends of the inner shell 10, a middle pipe 10 is fixedly installed on the inner wall of the top end of the inner shell 10, an ultraviolet lamp 12 is fixedly installed at the middle part of the inner side of the middle pipe 10, a support frame 20 is fixedly installed at the lower part of the inner side of the inner shell 10, the fan 14 is fixedly connected with the middle pipe 10, symmetrically arranged insertion rods 18 are fixedly installed on the outer wall of the bottom end of the inner shell 10, a sliding sleeve 4 is fixedly installed between the sliding sleeves 4, the assembly shell 7 is provided with a pressure frame 22 at the bottom end of the assembly shell 7, the filter plate 5 is installed in the crimping between pressure frame 22 and the assembly shell 7, assembly shell 7 top lateral wall fixed mounting has sealing ring 21, the inseparable crimping of sealing ring 21 top lateral wall and inner shell 10 bottom lateral wall, bottom plate 8 is installed through the bolt crimping in the 18 bottoms of inserted bar, and bottom plate 8 inboard is inlayed and is established fixed mounting and have and filter plate 5 complex

air distribution plate

6, 1 bottom lateral wall fixed mounting of shell has drain pan 3, and drain pan 3 outside lower part fixed mounting has assembly seat 9, the ventilation window has been seted up to the lateral wall before 1 shell, 1 shell is located ventilation window department and inlays to establish and install assembly jig 13, and there is the board 16 that all flows in the assembly jig 13 outside through bolt fixed mounting, and filter paper 19 is installed in the crimping between board 16 that all flows and the assembly jig 13.

The side wall of the top end of the bottom plate 8 is fixedly provided with a gasket, and the side wall of the top end of the gasket is tightly pressed and connected with the side wall of the bottom end of the pressing frame 22.

And a mounting ring 17 is fixedly arranged at the joint position between the middle pipe 11 and the fan 14.

The ultraviolet lamp 12 and the fan 14 are electrically connected with an external power supply and external control equipment through a wiring harness.

And a mesh plate is fixedly arranged on the inner side of the assembling frame 13, and the mesh plate is assembled with the filter paper 19 in a compression joint mode.

The working principle of the utility model is as follows:

the utility model relates to a laminar flow hood for clean workshop production, which is used for ventilating clean workshops, and is fixed on a ventilation pipeline when in work, air passes through the front side wall and the rear side wall of an outer shell 1 under the work of a fan 14, the air is firstly equalized by an equalizing plate 16 and then filtered by filter paper 19 when passing through the air equalizing plate, and in order to ensure the position of the filter paper 19 in the device, the equalizing plate 16 and an assembly frame 13 can be pressed and connected, the filter paper 19 adopts a corrugated structure, the contact area is large, the replacement period is long, the filtering effect is good, the air entering the outer shell 1 is guided by an inner shell 10, the ultraviolet lamp 12 is sterilized at the position of a middle pipe 11, the sterilized air enters the inner shell 10 to decelerate under the push of the fan 14 and is uniformly discharged from the lower part, the enlarged diameter reduces the flowing speed of the air, reduces the wind noise, the discharged air is filtered by a filter plate 5, when the filter plate is replaced, the bottom plate 8 can be detached from the bottom end, and the assembly shell 7 and the pressing frame 22 in the filter plate are of a combined structure, so that the filter plate 5 can be replaced conveniently, and the use is convenient.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The laminar flow hood for the clean workshop production comprises an outer shell (1), a top plate (2), an assembly shell (7), an ultraviolet lamp (12), an assembly frame (13), a fan (14) and filter paper (19), and is characterized in that a middle plate (15) is fixedly mounted in the middle of the inner side of the outer shell (1), an inner shell (10) is mounted between the middle plate (15) and the left and right side walls of the outer shell (1) in an inserting mode, air passing holes are formed in the middle of the upper end and the lower end of the inner shell (10), a middle pipe (11) is fixedly mounted on the inner wall of the top end of the inner shell (10), the ultraviolet lamp (12) is fixedly mounted in the middle of the inner side of the middle pipe (11), a support frame (20) is fixedly mounted on the lower portion of the inner side of the inner shell (10), the fan (14) is fixedly mounted on the top end of the support frame (20), the fan (14) is fixedly connected with the middle pipe (11), and inserting rods (18) are symmetrically arranged on the outer wall of the bottom end of the inner shell (10), sliding sleeves (4) are sleeved and installed on outer sides of insertion rods (18), an assembly shell (7) is fixedly installed between the sliding sleeves (4), a pressing frame (22) is installed at the bottom end of the assembly shell (7), a filter plate (5) is installed between the pressing frame (22) and the assembly shell (7) in a compression mode, a sealing ring (21) is fixedly installed on the top side wall of the assembly shell (7), the top side wall of the sealing ring (21) is tightly pressed and connected with the bottom side wall of an inner shell (10), a bottom plate (8) is installed at the bottom end of the insertion rods (18) in a compression mode through bolts, a wind distribution plate (6) matched with the filter plate (5) is fixedly installed on the inner side of the bottom plate (8), a bottom side wall of a shell (1) is fixedly installed with a bottom shell (3), an assembly seat (9) is fixedly installed on the lower portion of the outer side of the bottom shell (3), a ventilation window is arranged on the front side wall and back of the shell (1), and the assembly frame (13) is arranged at the position of the ventilation window, the flow equalizing plate (16) is fixedly mounted on the outer side of the assembly frame (13) through bolts, filter paper (19) is mounted between the flow equalizing plate (16) and the assembly frame (13) in a compression joint mode, a gasket is fixedly mounted on the side wall of the top end of the bottom plate (8), and the side wall of the top end of the gasket is tightly compressed and connected with the side wall of the bottom end of the pressure frame (22).

2. The laminar flow hood for clean workshop production according to claim 1, characterized in that a fitting ring (17) is fixedly installed at the joint position between the middle pipe (11) and the fan (14).

3. The laminar flow hood for clean workshop production according to claim 1, characterized in that the ultraviolet lamp (12) and the fan (14) are electrically connected with an external power supply and external control equipment through wiring harnesses.

4. The laminar flow hood for clean workshop production according to claim 1, characterized in that a mesh plate is fixedly installed on the inner side of the assembly frame (13), and the mesh plate is assembled with the filter paper (19) in a compression joint mode.