阅读说明：本技术 医用层流净化系统 (Medical laminar flow purification system ) 是由 黄梦楠 冯平 于 2021-08-20 设计创作，主要内容包括：本发明公开一种医用层流净化系统,含有过滤器的循环机组、层流送风箱、新风机组和位于层流送风箱下方的回风口,所述循环机组分别通过回风管和送风管连接到回风口和层流送风箱,所述回风管靠近回风口的区域安装有一框体和覆于框体外端面的过滤网,一丝杠的两端均通过轴承分别与第一固定板、第二固定板连接,一位于回风管底部且与丝杠平行的长条块设置于丝杠与过滤网相背一侧,此长条块面向丝杠的侧表面开有一圆弧凹槽,一端固定于螺套上的连接杆的另一端安装有一嵌入长条块的圆弧凹槽内的万向滚珠。本发明实现了定期自动清理回风中位于过滤网上的绒毛,改善了含有过滤器的循环机组使用寿命和能耗、风阻等工作性能的稳定性。(The invention discloses a medical laminar flow purification system, which comprises a circulating unit with a filter, a laminar flow air supply box, a fresh air unit and an air return opening positioned below the laminar flow air supply box, wherein the circulating unit is respectively connected to the air return opening and the laminar flow air supply box through an air return pipe and an air supply pipe, a frame body and a filter screen covered on the outer end face of the frame body are arranged in a region of the air return pipe close to the air return opening, two ends of a lead screw are respectively connected with a first fixing plate and a second fixing plate through bearings, a strip block which is positioned at the bottom of the air return pipe and is parallel to the lead screw is arranged on one side of the lead screw, which is opposite to the filter screen, an arc groove is formed in the side surface of the strip block facing the lead screw, and a universal ball embedded in the arc groove of the strip block is arranged at the other end of a connecting rod which is fixed on a screw sleeve. The invention realizes the regular and automatic cleaning of fluff on the filter screen in return air, and improves the service life of the circulating unit containing the filter and the stability of working performances such as energy consumption, wind resistance and the like.)

1. A medical laminar flow clean system which characterized in that: the method comprises the following steps: the laminar flow air supply system comprises a circulating unit (1) with a filter, a laminar flow air supply box (2), a fresh air unit (3) and an air return opening (5) positioned below the laminar flow air supply box (2), wherein the circulating unit (1) is connected to the air return opening (5) and the laminar flow air supply box (2) through an air return pipe (51) and an air supply pipe (52), and the fresh air unit (3) is connected with the circulating unit (1) through an air inlet pipe (53);

a frame body (11) and a filter screen (14) covered on the outer end face of the frame body (11) are installed in the area of the return air pipe (51) close to the return air inlet (5), a first fixing plate (251) and a second fixing plate (252) are respectively arranged on two sides of the bottom of one side, facing the return air inlet (5), of the filter screen (14), two ends of a lead screw (20) are respectively connected with the first fixing plate (251) and the second fixing plate (252) through bearings, a strip-shaped plate (9) which is located on the same side of the filter screen (14) with the fixing plates is arranged at the top of the return air pipe (51) and is located right above the lead screw (20), the upper end of a bristle bar (21) is embedded into a guide strip hole (8) of the strip-shaped plate (9), the lower end of the bristle bar (21) is connected to a threaded sleeve (22) sleeved on the lead screw (20), and strip-shaped flexible bristles (23) used for contacting with the surface of the filter screen (14) are installed on the bristle bar (21), one end of the screw rod (20) is provided with a driving mechanism for driving the screw rod (20) to rotate;

A long block (19) which is positioned at the bottom of the air return pipe (51) and is parallel to the screw rod (20) is arranged on the back side of the screw rod (20) and the filter screen (14), an arc groove (31) is arranged on the side surface of the long block (19) facing the screw rod (20), and a universal ball (24) embedded in the arc groove (31) of the long block (19) is arranged at the other end of the connecting rod (27) with one end fixed on the screw sleeve (22).

2. The medical laminar flow purification system according to claim 1, characterized in that: the driving mechanism comprises a driving motor (16), a worm wheel (18) is installed at one end of the lead screw (20), a vertically arranged worm (17) is meshed with the worm wheel (18), one end of the worm (17) is rotatably connected with a third fixing plate (30) installed on the return air pipe (51) through a bearing, and the other end of the worm (17) is connected with an output shaft of the driving motor (16) through a coupler.

3. The laminar flow purification system for medical use according to claim 1 or 2, characterized in that: the air conditioner also comprises an air outlet (4), and the air outlet (4) is connected to the fresh air unit (3) through an air exhaust pipe (54).

4. The laminar flow purification system for medical use according to claim 1 or 2, characterized in that: the circulating unit (1) is also internally provided with a humidifier, a mixed air pipe, a surface cooling section and a heating section.

5. The medical laminar flow purification system according to claim 2, characterized in that: the third fixing plate (30) is arranged at the bottom of the air return pipe (51).

6. The medical laminar flow purification system according to claim 2, characterized in that: one end of the screw rod (20) penetrates through the first fixing plate (251) or the second fixing plate (252) and is provided with the worm wheel (18).

Technical Field

The invention relates to the field of auxiliary equipment of medical equipment, in particular to a medical laminar flow purification system.

Background

The fresh air system is a set of independent air processing system consisting of an air supply system and an air exhaust system, and the common fresh air system in the market consists of a fresh air machine and pipeline accessories, and the fresh air machine purifies outdoor air and guides the outdoor air into the room. The fresh air system is used for supplying fresh air to the interior of a closed interior by using special equipment at one side of the interior and then discharging the fresh air to the exterior from the other side by using the special equipment, and a fresh air flowing field can be formed indoors, so that the requirement of indoor fresh air ventilation is met.

The filter efficiency of the fresh air system is reduced faster than the preset filter efficiency after the fresh air system is used for a long time, and the integral energy consumption and wind resistance of the fresh air are increased.

Disclosure of Invention

The invention mainly aims to provide a medical laminar flow purification system which realizes the regular and automatic cleaning of fluff on a filter screen in return air and improves the service life of a circulating unit containing a filter and the stability of working performances such as energy consumption, wind resistance and the like.

In order to achieve the purpose, the invention adopts the technical scheme that: a medical laminar flow purification system comprises a circulating unit with a filter, a laminar flow air supply box, a fresh air unit and an air return opening positioned below the laminar flow air supply box, wherein the circulating unit is connected to the air return opening and the laminar flow air supply box through an air return pipe and an air supply pipe respectively;

the air return pipe is provided with a frame body and a filter screen covered on the outer end face of the frame body in an area close to the air return opening, a first fixing plate and a second fixing plate are respectively arranged on two sides of the bottom of one side, facing the air return opening, of the filter screen, two ends of a lead screw are respectively connected with the first fixing plate and the second fixing plate through bearings, a strip-shaped plate which is located on the same side of the filter screen as the fixing plates is arranged at the top of the air return pipe and is located right above the lead screw, the upper end of a bristle rod is embedded into a guide strip hole of the strip-shaped plate, the lower end of the bristle rod is connected to a screw sleeve sleeved on the lead screw, strip-shaped flexible bristles used for being in surface contact with the filter screen are installed on the bristle rod, and a driving mechanism used for driving the lead screw to rotate is arranged at one end of the lead screw;

and the long strip block which is positioned at the bottom of the return air pipe and is parallel to the screw rod is arranged on one side of the screw rod, which is opposite to the filter screen, the side surface of the long strip block facing the screw rod is provided with an arc groove, and the other end of the connecting rod, one end of which is fixed on the screw sleeve, is provided with a universal ball embedded in the arc groove of the long strip block.

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

1. in the above scheme, actuating mechanism includes driving motor, a worm wheel is installed to the one end of lead screw, a vertical worm that sets up with the worm wheel meshing, the one end of this worm is passed through the bearing and is connected with the third fixed plate rotation of installing on the return air duct, the other end of worm passes through shaft coupling and driving motor's output shaft.

2. In the above scheme, the air conditioner further comprises an air outlet, and the air outlet is connected to the fresh air unit through an air exhaust pipe.

3. In the scheme, a humidifier, a mixed air pipe, a surface cooling section and a heating section are further arranged in the circulating unit.

4. In the above scheme, the third fixing plate is installed at the bottom of the return air duct.

5. In the above scheme, one end of the screw rod passes through the first fixing plate or the second fixing plate and is provided with the worm wheel.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:

1. the medical laminar flow purification system realizes the regular and automatic cleaning of fluff on the filter screen in return air, improves the service life of a circulating unit containing the filter and the stability of working performances such as energy consumption, wind resistance and the like, also avoids the defect of large cleaning efficiency difference in the two reciprocating processes of the strip-shaped flexible bristles, ensures that the contact force of the strip-shaped flexible bristles with the filter screen is the same in the two reciprocating processes, and improves the cleaning efficiency.

2. The drive mechanism of the medical laminar flow purification system comprises a drive motor, one end of a lead screw is provided with a worm wheel, a vertically arranged worm is meshed with the worm wheel, one end of the worm is rotatably connected with a third fixing plate arranged on an air return pipe through a bearing, and the other end of the worm is connected with an output shaft of the drive motor through a coupler.

Drawings

FIG. 1 is a schematic structural diagram of a medical laminar flow purification system according to the present invention;

FIG. 2 is a schematic view of a first partial structure of the laminar flow purification system for medical use according to the present invention;

FIG. 3 is a schematic view of a portion of the structure of FIG. 2;

FIG. 4 is a schematic view of a second partial structure of the laminar flow purification system for medical use according to the present invention;

FIG. 5 is a schematic view of a portion of the structure of FIG. 4;

fig. 6 is a schematic view of a partial structure of a laminar flow purification system for medical use according to the present invention.

In the above drawings: 1. a circulating unit; 2. a laminar flow air supply box; 3. a fresh air handling unit; 4. an air outlet; 5. an air return opening; 51. a return air duct; 52. an air supply pipe; 53. an air inlet pipe; 54. an exhaust duct; 8. a guide bar hole; 9. a strip plate; 11. a frame body; 14. a filter screen; 16. a drive motor; 17. a worm; 18. a worm gear; 19. a long bar block; 20. a lead screw; 21. a bristle bar; 22. a threaded sleeve; 23. strip-shaped flexible bristles; 24. and a ball transfer unit. 251. A first fixing plate; 252. a second fixing plate; 27. a connecting rod; 30. a third fixing plate; 31. a circular arc groove.

Detailed Description

In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., 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 being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus 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 medical laminar flow purification system comprises a circulating unit 1 with a filter, a laminar flow air supply box 2, a fresh air unit 3 and an air return opening 5 positioned below the laminar flow air supply box 2, wherein the circulating unit 1 is respectively connected to the air return opening 5 and the laminar flow air supply box 2 through an air return pipe 51 and an air supply pipe 52, and the fresh air unit 3 is connected with the circulating unit 1 through an air inlet pipe 53;

a frame body 11 and a filter screen 14 covering the outer end face of the frame body 11 are installed in an area of the return air pipe 51 close to the return air inlet 5, a first fixing plate 251 and a second fixing plate 252 are respectively arranged on two sides of the bottom of one side, facing the return air inlet 5, of the filter screen 14, two ends of a lead screw 20 are respectively connected with the first fixing plate 251 and the second fixing plate 252 through bearings, a strip-shaped plate 9 located on the same side of the filter screen 14 as the fixing plates is arranged at the top of the return air pipe 51 and located right above the lead screw 20, the upper end of a bristle rod 21 is embedded into a guide strip hole 8 of the strip-shaped plate 9, the lower end of the bristle rod 21 is connected to a threaded sleeve 22 sleeved on the lead screw 20, a strip-shaped flexible bristle 23 used for contacting the surface of the filter screen 14 is installed on the bristle rod 21, and a driving mechanism used for driving the lead screw 20 to rotate is arranged at one end of the lead screw 20;

A strip block 19 which is positioned at the bottom of the air return pipe 51 and is parallel to the screw rod 20 is arranged on the side of the screw rod 20 opposite to the filter screen 14, an arc groove 31 is arranged on the side surface of the strip block 19 facing the screw rod 20, and a universal ball 24 embedded in the arc groove 31 of the strip block 19 is arranged at the other end of the connecting rod 27 with one end fixed on the screw sleeve 22.

The driving mechanism comprises a driving motor 16, one end of the screw rod 20 is provided with a worm wheel 18, a vertically arranged worm 17 is meshed with the worm wheel 18, one end of the worm 17 is rotatably connected with a third fixing plate 30 arranged on an air return pipe 51 through a bearing, and the other end of the worm 17 is connected with an output shaft of the driving motor 16 through a coupler;

the third fixing plate 30 is mounted at the bottom of the return duct 51; one end of the screw 20 passes through the first fixing plate 251 or the second fixing plate 252 and the worm wheel 18 is mounted thereon.

Example 2: a medical laminar flow purification system comprises a circulating unit 1 with a filter, a laminar flow air supply box 2, a fresh air unit 3 and an air return opening 5 positioned below the laminar flow air supply box 2, wherein the circulating unit 1 is respectively connected to the air return opening 5 and the laminar flow air supply box 2 through an air return pipe 51 and an air supply pipe 52, and the fresh air unit 3 is connected with the circulating unit 1 through an air inlet pipe 53;

A frame body 11 and a filter screen 14 covering the outer end face of the frame body 11 are installed in an area of the return air pipe 51 close to the return air inlet 5, a first fixing plate 251 and a second fixing plate 252 are respectively arranged on two sides of the bottom of one side, facing the return air inlet 5, of the filter screen 14, two ends of a lead screw 20 are respectively connected with the first fixing plate 251 and the second fixing plate 252 through bearings, a strip-shaped plate 9 located on the same side of the filter screen 14 as the fixing plates is arranged at the top of the return air pipe 51 and located right above the lead screw 20, the upper end of a bristle rod 21 is embedded into a guide strip hole 8 of the strip-shaped plate 9, the lower end of the bristle rod 21 is connected to a threaded sleeve 22 sleeved on the lead screw 20, a strip-shaped flexible bristle 23 used for contacting the surface of the filter screen 14 is installed on the bristle rod 21, and a driving mechanism used for driving the lead screw 20 to rotate is arranged at one end of the lead screw 20;

a strip block 19 which is positioned at the bottom of the air return pipe 51 and is parallel to the screw rod 20 is arranged on the side of the screw rod 20 opposite to the filter screen 14, an arc groove 31 is arranged on the side surface of the strip block 19 facing the screw rod 20, and a universal ball 24 embedded in the arc groove 31 of the strip block 19 is arranged at the other end of the connecting rod 27 with one end fixed on the screw sleeve 22.

The air conditioner also comprises an air outlet 4, and the air outlet 4 is connected to the fresh air unit 3 through an air outlet pipe 54; the circulating unit 1 is also internally provided with a humidifier, a mixed air pipe, a surface cooling section and a heating section.

When the medical laminar flow purification system is adopted, the fluff on the filter screen in return air is periodically and automatically cleaned, the service life of a circulating unit containing the filter is prolonged, and the stability of working performances such as energy consumption and wind resistance is improved, the defect of large cleaning efficiency difference in the two reciprocating processes of the strip-shaped flexible bristles is also avoided, so that the contact force between the strip-shaped flexible bristles and the filter screen is the same in the two reciprocating processes, and the cleaning efficiency is improved;

in addition, its actuating mechanism includes driving motor, a worm wheel is installed to the one end of lead screw, a vertical setting the worm with the worm wheel meshing, the one end of this worm is passed through the bearing and is connected with the third fixed plate rotation of installing on the return air duct, the other end of worm passes through shaft coupling and driving motor's output shaft, when guaranteeing the stability of bar flexible brush hair reciprocating motion in-process, has practiced thrift the space, increases the area of filter screen, guarantees filterable efficiency.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to 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 within the protection scope of the present invention.