CN214791828U

CN214791828U - Laminar air supply unit

Info

Publication number: CN214791828U
Application number: CN202120758024.9U
Authority: CN
Inventors: 樊磊; 冯平
Original assignee: Sinodeu Medical Co Ltd
Current assignee: Sinodeu Medical Co Ltd
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2021-11-19
Anticipated expiration: 2031-04-14

Abstract

The utility model discloses a laminar flow air supply unit, including upper and lower open-ended shell body, install in the roof of shell body upper shed department and install the scattered stream board on the shell body under shed, open on the arbitrary side surface of shell body have one with the air inlet of new trend system intercommunication, it has a plurality of mounting groove to open on the up end of installation frame, a filter plate frame embedding of installing filter module in the mounting groove to but be connected with the mounting groove plug, but filter plate frame embedding installation frame region two side surfaces all fill respectively and between the installation frame has a sealed gasbag, sealed gasbag is the annular and sets up in filter module's periphery, 2 sealed gasbag all communicates with a trachea that sets up in the filter plate frame. The utility model discloses when improving sealed effect between filter plate frame and the installation frame, can be in the in-process of long-term use, change filter plate frame many times remain cleanliness factor and the stability of air supply throughout.

Description

Laminar air supply unit

Technical Field

The utility model relates to a medical ceiling field, in particular to laminar flow air supply unit.

Background

The air supply laminar flow ceiling is a necessary purifying device for modern hospital operating rooms. The device is based on the leading leakage-proof layer technology at home and abroad, and relies on the clean air supply ceiling device in an operating room, so that the air flow in the clean room can be reasonably distributed when the device is used, and the indoor cleanliness is effectively ensured. However, most parts need to be removed when the filter module is replaced in the conventional laminar flow ceiling, the sealing performance is greatly reduced after the filter module is replaced for many times, and the mode of removing a large number of parts and replacing the parts is very complicated.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a laminar flow air supply unit to solve current laminar flow smallpox and supply air cleanliness factor in long-term use and descend or unstable problem.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a laminar flow air supply unit comprises an outer shell with an upper opening and a lower opening, a top plate arranged at the upper opening of the outer shell and a flow dispersing plate arranged on the lower opening of the outer shell, wherein an air inlet communicated with a fresh air system is formed in any side surface of the outer shell;

the upper end surface of the mounting outer frame is provided with a plurality of mounting grooves, a filter plate frame provided with a filter module is embedded into the mounting grooves and can be connected with the mounting grooves in a plugging mode, and the side surface of the region, in which the filter module is arranged, of the mounting outer frame is provided with filter air holes which are vertically communicated with the mounting grooves, so that air outside the mounting outer frame can enter the cavity through the filter module;

the filter plate frame is embedded into the installation frame, two side surfaces of the installation frame are respectively filled with a sealing air bag between the installation frame and the sealing air bags, the sealing air bags are arranged on the periphery of the filter module in an annular mode, 2 sealing air bags are communicated with an air pipe arranged in the filter plate frame, the top of the filter plate frame extends upwards from the installation frame and is exposed out of the top plate, and one end, far away from the sealing air bags, of the air pipe extends to the top of the filter plate frame.

The further improved scheme in the technical scheme is as follows:

1. in the above scheme, the top plate is provided with the slot matched with the filter plate frame.

2. In the scheme, two sides of the upper end of the filter plate frame are respectively provided with a fixed wing plate matched with the top plate, and the fixed wing plates are connected with the top plate through a plurality of groups of fixed bolts.

3. In the scheme, the mounting outer frame and the filter plate frame are both provided with frame grooves for embedding the sealing air bags.

4. In the above scheme, be provided with the check valve on the trachea, and the trachea extends to the one end at filter plate frame top and is provided with airtight lid.

5. In the scheme, the filter plate frame is provided with the air passing hole in the middle of the top plate and the inner top plate.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

the utility model discloses laminar flow air supply unit, two regional side surfaces of its filter plate frame embedding installation frame respectively and all fill between the installation frame have a sealed gasbag, sealed gasbag is the annular and sets up in filter module's periphery, 2 sealed gasbag all communicates with one sets up the trachea in the filter plate frame, upwards extend and expose from the roof in the installation frame in the top of filter plate frame, the trachea is kept away from the one end of sealed gasbag and is extended to the top of filter plate frame, when improving sealed effect between filter plate frame and the installation frame, both be convenient for change the plug many times of filter plate frame, can be again in long-term use, change the cleanliness factor and the stability of the in-process of filter plate frame all the time kept air supply many times.

Drawings

FIG. 1 is an overall schematic view of the laminar air supply unit of the present invention;

FIG. 2 is a schematic cross-sectional view of the laminar air supply unit of the present invention;

FIG. 3 is an enlarged view of the structure of FIG. 2 at A;

FIG. 4 is an enlarged view of the structure of FIG. 2 at B;

fig. 5 is the structure diagram of the mounting groove and the air filtering hole of the outer frame of the utility model.

In the above drawings: 1. an outer housing; 2. a flow dispersing plate; 3. a top plate; 4. a fixed wing plate; 5. a filter plate frame; 7. an airtight cover; 8. a one-way valve; 9. air passing holes; 10. sealing the air bag; 11. an air tube; 12. a filtration module; 13. an inner ceiling plate; 14. installing an outer frame; 15. an air inlet; 16. a cavity; 17. mounting grooves; 18. and (5) air filtering holes.

Detailed Description

In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.

Example 1: a laminar flow air supply unit comprises an outer shell 1 with an upper opening and a lower opening, a top plate 3 arranged at the upper opening of the outer shell 1 and a flow dispersing plate 2 arranged at the lower opening of the outer shell 1, wherein an air inlet 15 communicated with a fresh air system is formed in any side surface of the outer shell 1, an installation outer frame 14 is arranged in the outer shell 1, the lower end surface of the installation outer frame 14 is hermetically connected with the flow dispersing plate 2, and the upper part of the installation outer frame 14 is hermetically connected with an inner top plate 13, so that a cavity 16 is formed between the flow dispersing plate 2 and the inner top plate 13;

the upper end surface of the mounting outer frame 14 is provided with a plurality of mounting grooves 17, a filter plate frame 5 provided with a filter module 12 is embedded in the mounting grooves 17 and is connected with the mounting grooves 17 in a pluggable manner, and the side surface of the region of the mounting outer frame 14, in which the filter module 12 is arranged, is provided with a filter hole 18 vertically penetrating through the mounting grooves 17, so that gas outside the mounting outer frame 14 can enter the cavity 16 through the filter module 12;

the filter plate frame 5 is embedded into the installation frame 14, a sealing air bag 10 is filled between each of two side surfaces of the installation frame 14 and the installation frame 14, the sealing air bags 10 are annularly arranged on the periphery of the

filter module

12, 2 sealing air bags 10 are communicated with an air pipe 11 arranged in the filter plate frame 5, the top of the filter plate frame 5 extends upwards from the installation frame 14 and is exposed out of the top plate 3, and one end, far away from the sealing air bags 10, of the air pipe 11 extends to the top of the filter plate frame 5.

The top plate 3 is provided with a slot matched with the filter plate frame 5.

The two sides of the upper end of the filter plate frame 5 are respectively provided with a fixed wing plate 4 matched with the top plate 3, and the fixed wing plates 4 are connected with the top plate 3 through a plurality of groups of fixing bolts.

The mounting outer frame 14 and the filter plate frame 5 are provided with frame grooves into which the sealing air bags 10 are inserted.

Example 2: a laminar air supply unit comprises an outer shell 1 with an upper opening and a lower opening, a top plate 3 arranged at the upper opening of the outer shell 1 and a flow dispersing plate 2 arranged at the lower opening of the outer shell 1, wherein an air inlet 15 communicated with a fresh air system is arranged on any side surface of the outer shell 1, an installation outer frame 14 is arranged in the outer shell 1, the lower end surface of the installation outer frame 14 is hermetically connected with the flow dispersing plate 2, the upper part of the installation outer frame 14 is hermetically connected with an inner top plate 13, so that a cavity 16 is formed between the flow dispersing plate 2 and the inner top plate 13, and the inner top plate 13 can be a filter plate;

filter module

The top plate 3 is provided with a slot matched with the filter plate frame 5.

The air pipe 11 is provided with a one-way valve 8, and one end of the air pipe 11 extending to the top of the filter plate frame 5 is provided with an airtight cover 7.

The filter plate frame 5 is provided with a gas passing hole 9 between the top plate 3 and the inner top plate 13.

The working principle is as follows: the purified air enters the outer shell 1 through the air inlet 15, then passes through the filtering module 12 and enters a cavity 16 enclosed by the filtering module 12, the flow dispersing plate 2 and the inner top plate 13, the air is filtered for the last time through the filtering module 12, the filtered air enters the cavity 16 for static pressure, the air flow is balanced through the flow equalizing membrane after the static pressure, and the balanced air flow is dispersed into an operating room through the flow dispersing plate 2;

when the filter module 12 needs to be replaced, the airtight cover 7 is firstly screwed down, then the check valve 8 is pushed open by the metal pipe for exhausting, air in the sealed air bag 10 is discharged through the air pipe 11, the sealed air bag 10 retracts into the filter plate frame 5, then the fixing bolt is disassembled, the filter plate frame 5 and the filter module 12 can be integrally drawn out and the filter module 12 is replaced, after the filter module 12 is replaced, the filter plate frame 5 is inserted back into the installation outer frame 14, air is injected into the sealed air bag 10 through the air pipe 11, the sealed air bag 10 is full and is sealed with the installation outer frame 14 in a fit mode, air outflow is avoided through the check valve 8, then the airtight cover 7 is used for reinforcing and sealing, finally the fixing bolt is screwed in, the air is locked through the bolt hole and the fixing bolt in fit mode, and therefore sealing is completed

When adopting above-mentioned laminar flow air supply unit, it is when improving sealed effect between filter plate frame and the installation frame, both be convenient for change the plug many times of filter plate frame, can be again long-term use, change the in-process of filter plate frame many times and keep cleanliness factor and the stability of air supply all the time.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a laminar flow air supply unit, includes upper and lower open-ended shell body (1), installs roof (3) in shell body (1) upper shed department and installs scattered flow board (2) on shell body (1) lower shed, it has one air inlet (15) that communicate with new trend system to open on the arbitrary one side surface of shell body (1), its characterized in that: an installation outer frame (14) is arranged in the outer shell (1), the lower end face of the installation outer frame (14) is connected with the flow dispersing plate (2) in a sealing mode, the upper portion of the installation outer frame (14) is connected with an inner top plate (13) in a sealing mode, and therefore a cavity (16) is formed between the flow dispersing plate (2) and the inner top plate (13);

the upper end surface of the mounting outer frame (14) is provided with a plurality of mounting grooves (17), a filter plate frame (5) provided with a filter module (12) is embedded into the mounting grooves (17) and is connected with the mounting grooves (17) in a pluggable manner, and the side surface of the region of the mounting outer frame (14) internally provided with the filter module (12) is provided with a filter air hole (18) vertically communicated with the mounting grooves (17), so that air outside the mounting outer frame (14) can enter the cavity (16) through the filter module (12);

filter plate frame (5) embedding installation frame (14) regional two side surfaces respectively with install between frame (14) all pack sealed gasbag (10), sealed gasbag (10) are the annular and set up in the periphery of filtering module (12), 2 sealed gasbag (10) all communicate with one set up trachea (11) in filter plate frame (5), the top of filter plate frame (5) upwards extends and exposes from roof (3) in installing frame (14), the one end that sealed gasbag (10) were kept away from in trachea (11) extends to the top of filter plate frame (5).

2. The laminar flow air supply unit according to claim 1, characterized in that: the top plate (3) is provided with a slot matched with the filter plate frame (5).

3. The laminar flow air supply unit according to claim 1 or 2, characterized in that: the filter plate is characterized in that two sides of the upper end of the filter plate frame (5) are respectively provided with a fixed wing plate (4) matched with the top plate (3), and the fixed wing plates (4) are connected with the top plate (3) through a plurality of groups of fixing bolts.

4. The laminar flow air supply unit according to claim 1, characterized in that: and frame grooves for embedding the sealing air bags (10) are formed in the mounting outer frame (14) and the filter plate frame (5).

5. The laminar flow air supply unit according to claim 1, characterized in that: be provided with check valve (8) on trachea (11), and trachea (11) extend to the one end at filter plate frame (5) top and are provided with airtight lid (7).

6. The laminar flow air supply unit according to claim 1, characterized in that: the filter plate frame (5) is provided with a gas passing hole (9) in the middle of the top plate (3) and the inner top plate (13).