Laminar flow ceiling

Abstract

The utility model provides a laminar flow ceiling which comprises a frame body and a filter, the frame body is provided with an air inlet and an air outlet, and the filter is located between the air inlet and the air outlet. A shielding piece is arranged on the outer side of the bottom of the frame body and comprises a horizontal part and an inclined part, the horizontal part extends outwards from the bottom of the frame body, the inclined part extends outwards and upwards from one end, away from the bottom of the frame body, of the horizontal part, and the inclined part surrounds the horizontal part to form an avoiding cavity; the gap between the laminar flow ceiling and the ceiling is shielded through the shielding piece, the avoiding cavity avoids the protruding structure on the ceiling, the attaching effect between the shielding piece and the gap is good, small particles and bacteria are prevented from entering the operating room through the gap, and the cleanliness is improved.

Description

Technical Field

[0001] The utility model relates to the field of laminar flow ceilings, in particular to a laminar flow ceiling. Background Art

[0002] Laminar flow ceiling is an air supply device used on the top of the operating room, which can reasonably distribute the airflow in the operating room and effectively ensure the cleanliness of the gas in the operating room. The patent document with application number 202310771924.0 in China and publication date of September 22, 2023 discloses a laminar flow ceiling with partitioned and different-temperature air supply in the operating room, including a high-temperature air supply area and a low-temperature air supply area. The high-temperature air supply area and the low-temperature air supply area constitute a laminar flow ceiling box. The laminar flow ceiling box includes four boxes, and partitions are provided in the boxes. The partitions separate the laminar flow ceiling box into a high-temperature air supply area and a low-temperature air supply area. High-efficiency filters are provided in the high-temperature air supply area and the low-temperature air supply area. The high-efficiency filters are provided above the air outlet surface. A flow balancing layer is provided between the high-efficiency filter and the air outlet surface. The flow balancing layer makes the air delivered from the high-temperature air supply area and the low-temperature air supply area more uniform.

[0003] Laminar flow ceilings are installed on the ceiling for use. After installation, there will be a gap between the frame of the laminar flow ceiling and the ceiling, and the laminar flow ceiling cannot cover the gap. In this way, tiny particles and bacteria will enter the operating room through the gap, thus affecting the cleanliness. Utility Model Content

[0004] In view of this, the purpose of the present invention is to provide a laminar flow ceiling, which uses a shielding member to block the gap between the laminar flow ceiling and the ceiling, and an avoidance cavity to avoid the raised structure on the ceiling. The shielding member has a good fit with the gap, preventing tiny particles and bacteria from entering the operating room through the gap, thereby improving cleanliness.

[0005] In order to solve the above technical problems, the technical solution used in this utility model is:

[0006] The utility model describes a laminar flow ceiling, comprising a frame and a filter, the frame being provided with an air inlet and an air outlet, the filter being located between the air inlet and the air outlet; a shielding member being provided on the outer side of the bottom of the frame, the shielding member comprising a horizontal portion and an inclined portion, the horizontal portion being extended outwardly from the bottom of the frame, the inclined portion being extended outwardly and upwardly from one end of the horizontal portion away from the bottom of the frame, the inclined portion forming an avoidance cavity around the horizontal portion.

[0007] Preferably, a flow guide component is provided on the inner side of the air inlet, the flow guide component is arranged around the air inlet and extends in a direction close to the filter, and the flow guide component is provided with a flow guide channel.

[0008] Preferably, the guide assembly includes a first guide member, a second guide member, a third guide member and a fourth guide member; the first guide member is arranged on one side of the air inlet, the second guide member is arranged at the other end of the air inlet and is opposite to the first guide member; the third guide member is arranged at one end of the air inlet, the fourth guide member is arranged at the other end of the air inlet but is opposite to the third guide member; the first guide member, the second guide member, the third guide member and the fourth guide member are surrounded to form a guide channel.

[0009] Preferably, the first flow guide, the second flow guide, the third flow guide and the fourth flow guide are formed by bending the edge of the air inlet toward the direction close to the filter.

[0010] Preferably, an air inlet duct is provided on the outside of the air inlet, and the air inlet duct is communicated with the guide channel.

[0011] Preferably, a diffuser plate is provided on the outside of the air outlet.

[0012] Preferably, the diffuser plate is a diffuser plate with a mesh structure.

[0013] Preferably, one end of the diffuser plate is provided with one or more connectors, and the frame is provided with one or more through-holes, the connectors extend into the through-holes, and the other end of the diffuser plate is connected to the frame via a lock.

[0014] Compared with the prior art, the beneficial effects of the laminar flow ceiling described in the utility model are mainly reflected in: a shielding member is set to block the gap between the laminar flow ceiling and the ceiling, preventing tiny particles and bacteria from entering the operating room through the gap, thereby improving cleanliness; an avoidance cavity is formed in the shielding member, and the raised structure on the ceiling is avoided through the avoidance cavity, and the fitting effect between the shielding member and the gap is good, thereby improving the sealing effect of the shielding member on the gap, and a horizontal part is set to extend the length of the avoidance cavity, and an inclined part is set to increase the depth of the avoidance cavity, thereby increasing the coverage range of the avoidance cavity while increasing the coverage depth of the avoidance cavity.

[0015] The guide assembly guides air entering the frame, allowing it to flow along the guide channel toward the filter, reducing diffusion and improving filtration efficiency. Multiple guides are provided to guide air along the length and height of the air inlet. The first, second, third, and fourth guides are formed by bending the edges of the air inlet, creating an integrated design between the guide assembly and the frame, enhancing structural strength.

[0016] Air inlet ducts are installed to guide air through the air inlet and into the diversion channel. This improves the diversion effect of the air. Diffusers interact with the filtered air and distribute it to different areas of the operating room. The diffuser is connected to the frame via connectors and locks, facilitating assembly and disassembly. The mesh diffuser ensures uniformity in the output of filtered air.

[0017] The utility model blocks the gap between the laminar flow ceiling and the ceiling through the blocking piece, and the avoidance cavity avoids the raised structure on the ceiling. The blocking piece has a good fitting effect with the gap, which prevents tiny particles and bacteria from entering the operating room through the gap, thereby improving the cleanliness. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and other purposes, features and advantages of the present invention will become more apparent through a more detailed description of the preferred embodiments of the present invention shown in the accompanying drawings. The same reference numerals indicate the same parts throughout the drawings, and the drawings are not intentionally scaled to actual size. The emphasis is on illustrating the subject matter of the present invention.

[0019] Figure 1 It is a three-dimensional schematic diagram of the present utility model.

[0020] Figure 2 It is a bottom view of the present utility model.

[0021] Figure 3 for Figure 2 Cross-sectional view of AA in the figure.

[0022] Figure 4 for Figure 3 Magnified view of B.

[0023] Figure 5 It is a three-dimensional schematic diagram of the flow guide component in the present utility model.

[0024] Description of the drawings: frame 1, filter 2, air inlet duct 3, diffuser 4, shielding member 5, guide assembly 6, perforation 10, connector 41, lock 42 horizontal part 51, inclined part 52, avoidance cavity 53, first guide member 61, second guide member 62, third guide member 63, fourth guide member 64. DETAILED DESCRIPTION

[0025] The technical solution of the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and implement it. However, the embodiments cited do not limit the present invention. In this embodiment, it should be understood that the terms "longitudinal", "transverse", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention.

[0026] It should be noted that when an element is considered to be "connected" to another element, it may be directly connected to the other element and integrated therewith, or there may be an intermediate element. The terms "mounted," "one end," "the other end," and similar expressions used in this utility model are for illustrative purposes only.

[0027] This embodiment provides a laminar flow ceiling, such as Figure 1-5 The apparatus comprises a frame 1 and a filter 2. The frame 1 is provided with an air inlet and an air outlet. An air inlet duct 3 is provided outside the air inlet, and a diffuser plate 4 is provided outside the air outlet. The filter 2 is located between the air inlet and the air outlet. The air inlet duct 3 guides air through the air inlet. The diffuser plate 4 interacts with the filtered air and outputs the filtered air to different areas of the operating room.

[0028] A shielding member 5 is provided on the outer side of the bottom of the frame 1 to block the gap between the laminar flow ceiling and the ceiling, preventing tiny particles and bacteria from entering the operating room through the gap, thereby improving cleanliness.

[0029] The shielding member 5 includes a horizontal portion 51 and an inclined portion 52. The horizontal portion 51 extends outward from the bottom of the frame 1, while the inclined portion 52 extends outward and upward from the end of the horizontal portion 51 away from the bottom of the frame 1. The inclined portion 52 surrounds the horizontal portion 51 to form a relief cavity 53. The relief cavity 53 avoids the raised structure on the ceiling, effectively fitting the shielding member 5 to the gap and improving the sealing effect of the shielding member 5 on the gap. The horizontal portion 51 extends the length of the relief cavity 53, while the inclined portion 52 increases the depth of the relief cavity 53, thereby increasing the coverage range and depth of the relief cavity 53.

[0030] A flow guide assembly 6 is located inside the air inlet, surrounding the air inlet and extending toward the filter 2. It includes a flow channel, which communicates with the air inlet duct 3. This guide assembly 6 guides air entering the frame 1, allowing air to flow along the flow channel toward the filter 2, reducing gas diffusion and improving the filter 2's filtration efficiency. Simultaneously, the air inlet duct 3 guides air through the air inlet and into the flow channel, enhancing the air diversion effect.

[0031] The air guide assembly 6 includes a first air guide 61, a second air guide 62, a third air guide 63, and a fourth air guide 64. The first air guide 61 is located on one side of the air inlet, the second air guide 62 is located at the other end of the air inlet and is opposite to the first air guide 61. The third air guide 63 is located at one end of the air inlet, and the fourth air guide 64 is located at the other end of the air inlet and is opposite to the third air guide 63. The first air guide 61, the second air guide 62, the third air guide 63, and the fourth air guide 64 surround and form a guide channel. The first air guide 61, the second air guide 62, the third air guide 63, and the fourth air guide 64 respectively guide air along the length and height of the air inlet.

[0032] In a preferred embodiment, the first guide member 61, the second guide member 62, the third guide member 63 and the fourth guide member 64 are formed by bending the edge of the air inlet toward the filter 2. The guide assembly 6 is integrated with the frame 1 to improve structural strength.

[0033] One end of the diffuser plate 4 is provided with one or more connectors 41. The frame 1 is provided with one or more through-holes 10, into which the connectors 41 extend. The other end of the diffuser plate 4 is connected to the frame 1 via a lock 42. When the lock 42 secures the diffuser plate 4 to the frame, the locking tongue of the lock 42 extends and overlaps the frame, limiting the movement of the diffuser plate 4 along the thickness of the frame, thereby securing the diffuser plate 4 to the frame 1. To release the diffuser plate 4 from the frame, the locking tongue of the lock 42 is retracted, separating it from the frame. The lock no longer restricts the diffuser plate 4, allowing the diffuser plate 4 to be removed. The diffuser plate 4 is connected to the frame 1 via the connectors 41 and the lock, facilitating assembly and disassembly of the diffuser plate 4.

[0034] When installing the diffuser plate 4, first extend the connector 41 of the diffuser plate 4 into the through-hole 10, then drive the other end of the diffuser plate 4 to be flush with the frame, and drive, so that the lock tongue of the lock 42 extends out and overlaps the frame, thus completing the installation of the diffuser plate 4.

[0035] When disassembling the diffuser plate 4, first retract the lock tongue of the lock 42 to release the lock between the diffuser plate 4 and the frame; then separate the connector 41 of the diffuser plate 4 from the through hole 10, thus completing the disassembly of the diffuser plate 4.

[0036] In a preferred embodiment, the diffuser plate 4 is a diffuser plate 4 with a mesh structure, so that the output of the filtered gas is uniform.

[0037] In this specification, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it can mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it can mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it can mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0038] In the description of this specification, the description with reference to the terms "preferred embodiment", "further embodiment", "other embodiments" or "specific example" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples, unless they are contradictory.

[0039] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A laminar flow ceiling, characterized in that: It includes a frame and a filter. The frame is provided with an air inlet and an air outlet, and the filter is located between the air inlet and the air outlet. A shielding member is provided on the outer side of the bottom of the frame. The shielding member includes a horizontal portion and an inclined portion. The horizontal portion is extended outward from the bottom of the frame, and the inclined portion is extended outward and upward from one end of the horizontal portion away from the bottom of the frame. The inclined portion forms a avoidance cavity around the horizontal portion.

2. The laminar flow ceiling according to claim 1, characterized in that: A flow guide component is arranged on the inner side of the air inlet. The flow guide component is arranged around the air inlet and extends toward the direction close to the filter. The flow guide component is provided with a flow guide channel.

3. The laminar flow ceiling according to claim 2, characterized in that: The guide assembly includes a first guide member, a second guide member, a third guide member and a fourth guide member; the first guide member is arranged on one side of the air inlet, the second guide member is arranged at the other end of the air inlet and is arranged opposite to the first guide member; the third guide member is arranged at one end of the air inlet, the fourth guide member is arranged at the other end of the air inlet and is arranged opposite to the third guide member; the first guide member, the second guide member, the third guide member and the fourth guide member are surrounded to form a guide channel.

4. The laminar flow ceiling according to claim 3, characterized in that: The first flow guide, the second flow guide, the third flow guide and the fourth flow guide are formed by bending the edge of the air inlet toward the direction close to the filter.

5. The laminar flow ceiling according to claim 2, characterized in that: An air inlet duct is arranged on the outside of the air inlet, and the air inlet duct is communicated with the guide channel.

6. The laminar flow ceiling according to claim 1, characterized in that: A diffuser plate is arranged on the outer side of the air outlet.

7. The laminar flow ceiling according to claim 6, characterized in that: The diffuser plate is a diffuser plate with a mesh structure.

8. The laminar flow ceiling according to claim 6, characterized in that: One end of the diffuser plate is provided with one or more plug-in connectors, and the frame body is provided with one or more through holes, into which the plug-in connectors extend, and the other end of the diffuser plate is connected with the frame body through a lock.

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