CN220541242U

CN220541242U - Laminar flow ward unit

Info

Publication number: CN220541242U
Application number: CN202322207096.6U
Authority: CN
Inventors: 王建宝; 张志强; 张迟; 于卫; 裴塔玉
Original assignee: Jiuxin Meditech Group
Current assignee: Jiuxin Meditech Group
Priority date: 2023-08-15
Filing date: 2023-08-15
Publication date: 2024-02-27
Anticipated expiration: 2033-08-15

Abstract

The utility model relates to the technical field of laminar flow ward equipment, in particular to a laminar flow ward unit, which comprises a first accommodating space and a second accommodating space which are arranged up and down in a body; a first fan and a second fan are arranged in the first accommodating space, a first air inlet is formed in the side surface of the second accommodating space, and a medium-efficiency filtering component, a cold air pipe component and a hot air pipe component are arranged in the second accommodating space and are respectively used for filtering, refrigerating or heating air; part new trend and primary return air enter into the second accommodation space from first air intake in, get into first accommodation space after middle-effect filter unit, cold air duct subassembly and hot-blast main subassembly, in first air outlet or second air outlet send out laminar flow ward after first fan or second fan pressurization, adopt vertical unit, side air inlet, the form of top-off wind, make full use of the space of direction of height, reduced single unit area, reduced the adverse factor influence that the computer lab area is little brought, also brought very big facility for engineering system maintenance.

Description

Laminar flow ward unit

Technical Field

The utility model relates to the technical field of laminar flow ward equipment, in particular to a laminar flow ward unit.

Background

The laminar flow ward is a laminar flow ward which keeps indoor sterility through air purification equipment, is provided with equipment for changing the cleanliness of the air environment, and the scale of the laminar flow ward is basically more than 10 with the continuous development of medical industry, and the scale of the laminar flow ward is most common about 20. Because each laminar flow ward is required to be provided with one purifying unit, a plurality of units are arranged, but the equipment rooms of the laminar flow ward are compact, the arrangement of the units is important, and the use requirement and the maintenance requirement of the units are considered.

At present, various devices of a machine set occupy large area, after the machine room is provided with the machine set, an air conditioner air pipe, an automatic control electric cabinet and an air conditioner water pipe, almost no maintenance space is reserved, and great trouble is caused to maintenance personnel of a hospital, and the safety and the stability of a laminar flow ward air conditioning system are directly influenced.

Disclosure of Invention

The utility model provides a laminar flow ward unit, thereby effectively solving the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: a laminar flow ward set, comprising:

the body is arranged in the machine room, and a first accommodating space and a second accommodating space are arranged in the body up and down;

a first fan and a second fan are arranged in the first accommodating space, a first electric sealing valve and a second electric sealing valve are arranged at the bottoms of the first fan and the second fan, and a first air outlet and a second air outlet are respectively arranged at the tops of the first fan and the second fan;

a first air inlet is formed in the side face of the second accommodating space; a middle-effect filtering component, a cold air pipe component and a hot air pipe component are sequentially arranged on one side, close to the first air inlet, of the second accommodating space and are respectively used for filtering, refrigerating or heating air; the part of fresh air and primary return air enter the second accommodating space from the first air inlet, pass through the medium-efficiency filtering assembly, the cold air pipe assembly and the hot air pipe assembly, enter the first accommodating space, pass through the first fan or the second fan, and then are pressurized and sent out from the first air outlet or the second air outlet to the laminar flow ward.

Further, a high-efficiency filter is arranged outside the body and close to the first air inlet and used for purifying air.

Further, a third accommodating space is arranged between the first accommodating space and the second accommodating space, and a flow equalizing section is arranged in the third accommodating space.

Further, a second air inlet is formed in the side face of the third accommodating space.

Further, first air outlet and second air outlet are equipped with the blast pipe, the other end of blast pipe is connected with the top in laminar flow ward, first air intake with the second air intake is equipped with the return air pipe, the side in laminar flow ward is connected to the other end of return air pipe, first air intake still is equipped with the new air pipe, the new air pipe is connected with the outside high-efficient filter of computer lab.

Further, check valves are arranged at the positions, close to the first air inlet and the second air inlet, of the return air pipe.

Further, still include the humidification section, the humidification section is located in the second accommodation space keep away from one side of first air intake, the humidification section includes the spray tube, be equipped with the through-hole on the spray tube for blowout steam.

Further, the humidifier also comprises a water baffle plate, wherein the water baffle plate is arranged on one side of the humidifying section and is used for blocking condensed water.

Further, the cold air pipe assembly and the hot air pipe assembly comprise copper pipes and aluminum fins, and the aluminum fins are arranged on the periphery of the copper pipes.

Further, the first fan and the second fan are EC fans.

The beneficial effects of the utility model are as follows: the utility model is provided with a first accommodating space and a second accommodating space up and down in the body; a first fan and a second fan are arranged in the first accommodating space, a first air inlet is formed in the side face of the second accommodating space, and a middle-effect filtering component, a cold air pipe component and a hot air pipe component are sequentially arranged on one side, close to the first air inlet, in the second accommodating space and are respectively used for filtering, refrigerating or heating air; wherein, in part new trend and primary return air enter into the second accommodation space from first air intake, get into first accommodation space after middle-effect filter unit, cold air duct subassembly and hot-blast main assembly, in first air outlet or second air outlet send out to laminar flow ward after pressurizing through first fan or second fan, adopt vertical unit, side air inlet, the form of top-off wind, make full use of the space of direction of height, reduced single unit area, reduced the adverse factor influence that the computer lab area is little brought, also brought very big facility for engineering system maintenance.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.

FIG. 1 is a schematic diagram of a laminar flow hood and a laminar flow hood;

fig. 2 is a schematic structural view of the laminar flow ward unit in a machine room;

FIG. 3 is a schematic view of a laminar flow ward unit;

fig. 4 is a schematic structural view of the humidifying section.

Reference numerals: 1. a body; 2. a first accommodation space; 21. a first fan; 22. a second fan; 23. a first air outlet; 24. a second air outlet; 3. a second accommodation space; 31. a cold air duct assembly; 32. a hot air duct assembly; 33. a first air inlet; 34. a medium-efficiency filter assembly; 35. a humidification section; 351. a spray pipe; 352. a through hole; 36. a water baffle; 4. a third accommodation space; 41. a first electrically operated sealing valve; 42. a second electrically operated seal valve; 43. a second air inlet; 44. a flow equalizing section; 5. an air supply pipe; 6. an air return pipe; 61. a check valve; 7. a new air pipe; 8. a high-efficiency filter; 9. a machine room; 10. laminar flow ward.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated as being "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are directions or positional relationships based on the drawings are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, or may be internal communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 4: a laminar flow ward set, comprising:

the body 1, the body 1 locates in the computer lab 9, the body 1 sets up the first accommodation space 2 and second accommodation space 3 from top to bottom;

a first fan 21 and a second fan 22 are arranged in the first accommodating space 2, a first electric sealing valve 41 and a second electric sealing valve 42 are arranged at the bottoms of the first fan 21 and the second fan 22, and a first air outlet 23 and a second air outlet 24 are respectively arranged at the tops of the first fan 21 and the second fan 22;

the side surface of the second accommodating space 3 is provided with a first air inlet 33, and one side, close to the first air inlet 33, of the second accommodating space 3 is sequentially provided with a middle-effect filter assembly 34, a cold air pipe assembly 31 and a hot air pipe assembly 32 which are respectively used for filtering, refrigerating or heating air;

wherein, part of fresh air and primary return air enter the second accommodating space 3 from the first air inlet 33, enter the first accommodating space 2 after passing through the medium-efficiency filter assembly 34, the cold air pipe assembly 31 and the hot air pipe assembly 32, are pressurized by the first fan 21 or the second fan 22, and are sent out from the first air outlet 23 or the second air outlet 24 into the laminar flow ward 10.

The main body 1 is arranged in the machine room 9, and a first accommodating space 2 and a second accommodating space 3 are arranged in the main body 1 up and down; a first fan 21 and a second fan 22 are arranged in the first accommodating space 2, and a first electric sealing valve 41 and a second electric sealing valve 42 are arranged at the bottoms of the first fan 21 and the second fan 22; the side surface of the second accommodating space 3 is provided with a first air inlet 33, and one side, close to the first air inlet 33, of the second accommodating space 3 is sequentially provided with a middle-effect filter assembly 34, a cold air pipe assembly 31 and a hot air pipe assembly 32 which are respectively used for filtering, refrigerating or heating air; the top of the first fan 21 and the top of the second fan 22 are respectively provided with a first air outlet 23 and a second air outlet 24; the side surface of the second accommodating space 3 is provided with a first air inlet 33; wherein, in part fresh air and primary return air enter into second accommodation space 3 from first air intake 33, get into first accommodation space 2 after passing through intermediate filter assembly 34, cold air pipe subassembly 31 and hot-blast main assembly 32, after pressurizing through first fan 21 or second fan 22, send out to in the laminar flow ward 10 from first air outlet 23 or second air outlet 24, adopt vertical unit, the side air inlet, the form of top-hat, make full use of the space of direction of height, single unit area has been reduced, the adverse factor influence that the computer lab 9 area is little brings has been reduced, great facility has also been brought for engineering system maintenance.

The first electric sealing valve 41 and the second electric sealing valve 42 are electric check valve 61 doors, and the sealing valve is pressed by a strong spring when no electricity exists, and is not opened due to the reverse airflow. The tightness of the first accommodation space 2 is effectively ensured.

The side, close to the first air inlet 33, of the second accommodating space 3 is further provided with a medium-efficiency filter assembly 34 for filtering, so that the air cleanliness is further improved.

Specifically, the air volume of the laminar flow ward 10 is basically 7000, the unit size is 2700mm high, 2200mm wide, 1000mm thick, and the floor area is 2200000mm ² Compared with the traditional unit 1100, the overall dimension of the height, width 1200 and length 4600mm is 5520000mm ² The floor area of the vertical unit is much smaller, the unit arrangement of the equipment room 9 is facilitated, and the problem of small overhaul space is solved.

As a preference to the above embodiment, the body 1 is provided with a high efficiency filter 8 on the outside thereof, near the first air inlet 33, for purifying air.

The high-efficiency filter 8 is arranged outside the unit, air is filtered by the high-efficiency filter 8, and purified air and part of primary return air enter the second accommodating space 3 from the first air inlet 33.

In this embodiment, a third accommodating space 4 is provided between the first accommodating space 2 and the second accommodating space 3, and a flow equalizing section 44 is provided in the third accommodating space 4.

The flow equalizing section 44 is a buffer section for air distribution, ensures that any fan is started, can suck enough air, only starts one fan at ordinary times, and automatically switches to a standby fan when faults occur, so that the requirement of cleanliness in a laminar flow room is met.

Wherein the side of the third accommodation space 4 is provided with a second air inlet 43.

The side of the third accommodation space 4 is provided with a second air inlet 43, and secondary return air enters the second air inlet 43, and the air quantity is very large because the clean area is determined to meet the requirement of cleanliness, and the air quantity required by taking away indoor heat and humidity load is greatly exceeded. If the primary return air and the fresh air of the first air inlet 33 are adopted, the excessive purified circulating air is uniformly treated to extremely low temperature to meet the dehumidification requirement, and in order to keep the temperature of the operating room constant, the air must be uniformly heated to a certain air outlet temperature after uniform cooling. The purification circulating wind is continuously cooled and then heated under the condition of not playing any role, so that energy is wasted greatly, and the running cost is increased.

The second air inlet 43 is a secondary return air inlet, so that the utilization rate of circulating air can be improved, and the indoor high-temperature secondary return air is used as a part of a reheating heat source, so that the electric quantity required by reheating is greatly saved, and the cost is reduced.

As a preference of the above embodiment, the first air outlet 23 and the second air outlet 24 are provided with an air supply pipe 5, the other end of the air supply pipe 5 is connected with the top of the laminar flow ward 10, the first air inlet 33 and the second air inlet 43 are provided with an air return pipe 6, the other end of the air return pipe 6 is connected with the side surface of the laminar flow ward 10, the first air inlet 33 is further provided with a fresh air pipe 7, and the fresh air pipe 7 is connected with an external high-efficiency filter 8 of the machine room 9.

Fresh air port and primary return air after preliminary filtration through outdoor high-efficiency filter 8 mix and get into first air intake 33, after cooling of cold wind subassembly and hot air subassembly intensification in second accommodation space 3, reach invariable temperature in invariable laminar flow ward 10, return air in the laminar flow ward 10 gets into first air intake 33 and second air intake 43 along return air pipe 6 again, form the circulation, can guarantee the circulation of indoor air, can improve the utilization ratio of circulated air again, more owing to adopt indoor high temperature secondary return air as the part of reheat heat source, the required electric quantity of reheat has been saved greatly.

In this embodiment, the return air pipe 6 is provided with a check valve 61 near the first air inlet 33 and the second air inlet 43, so that the primary return air and the secondary return air can only enter from the first air inlet 33 and the second air inlet 43, forming a single channel, and ensuring the ventilation in the laminar flow ward 10.

The middle-effect filter assembly 34 adopts galvanized plates or aluminum alloy frames, and high-quality chemical fiber filter materials or high-quality imported glass fiber filter materials, has the advantages of environmental protection, fire resistance, high dust capacity, low resistance and long service life, and the middle-effect filter assembly 34 comprises a filter section and an air collecting section, wherein the air collecting section is conical, increases the flow velocity and enters the cold air pipe assembly 31.

As a preferred embodiment, the above embodiment further includes a humidifying section 35, where the humidifying section 35 is disposed on a side of the second accommodating space 3 away from the first air inlet 33, and the humidifying section 35 includes a nozzle 351, and a through hole 352 is disposed on the nozzle 351 for ejecting steam.

Specifically, the humidifier has a spray pipe 351, and the spray pipe 351 is connected to the unit box and sprays steam, so that the humidifier is suitable for heating and humidifying air in winter, and provides a proper humidity environment for the laminar flow ward 10.

The humidifier further comprises a water baffle 36, wherein the water baffle 36 is arranged at one side of the humidifying section 35 and is used for blocking condensed water.

By providing the water baffle 36, because the air can generate condensation water in the cooling process, the water baffle 36 plays a role of blocking the condensation water, preventing the condensation water from being sent into a room and generating a dripping phenomenon, thereby providing a good environment in the laminar flow ward 10.

Preferably, the cold air duct assembly 31 and the hot air duct assembly 32 include copper tubes and aluminum fins provided on the peripheral ring of the copper tubes.

The cold air pipe assembly 31 and the hot air pipe assembly 32 adopt copper pipes and aluminum fins, and the aluminum alloy fins are fixed on the copper pipes by adopting a mechanical pipe expanding process; the end plates of the cold air pipe assembly 31 and the hot air pipe assembly 32 are made of galvanized steel plates, the water collecting pipe is made of steel pipes, and the copper pipes are filled with cold water or hot water to cool and heat air, so that the purpose of making cold air or hot air is achieved.

In the present embodiment, the first fan 21 and the second fan 22 are EC fans.

The EC fan refers to a centrifugal fan adopting a digital brushless direct-current outer rotor motor or a centrifugal fan adopting the EC motor.

The first fan 21 and the second fan 22 adopt EC fans, wherein, one fan uses, and another fan is reserve fan, can be in vertical unit width direction perfect arrangement, and traditional unit section position fan is with one and is equipped with, and unit length direction has the dysmorphism protruding to compare, and vertical unit is square positive appearance, and the unit is more pleasing to the eye.

Meanwhile, the EC fan has lower noise, is more beneficial to meeting the low-noise requirement of the laminar flow ward 10, and creates a calm, comfortable and clean living environment for patients.

And (3) refrigerating operation conditions in summer: fresh air and part of primary return air are mixed outside the unit and then sent to the first air inlet 33, the air is filtered through the medium-efficiency filtering component 34, then cooled, dehumidified and thermally treated through the cold air pipe component 31 and the hot air pipe component 32, the treated air passes through the flow equalizing section 44, and the air pressurized by the first fan 21 or the second fan 22 is sent into a room of the laminar flow ward 10 through the first air outlet 23 or the second air outlet 24.

Heating operation conditions in winter: fresh air and part of primary return air are mixed outside the unit and then sent to the first air inlet 33, the air is filtered through the medium-efficiency filtering component 34, then the air is heated and humidified through the hot air pipe component 32, the humidifying section 35 and the water baffle 36, the treated air passes through the flow equalizing section 44 and then is pressurized through the first fan 21 or the second fan 22, and the air is sent into a room of the laminar flow ward 10 through the first air outlet 23 or the second air outlet 24.

The first fan 21 and the second fan 22 are one-standby fans, only one of the fans is started at ordinary times, when faults occur, the air conditioner is automatically switched to the standby fans, and when no faults occur, the air conditioner is automatically switched to the fans with less running time according to the running time of the fans, so that the service life of the fans is prolonged, the stability of a unit is facilitated, and the purified air is continuously introduced into the laminar flow ward 10.

The vertical unit, the side air inlet and the top air outlet are adopted, the space in the height direction is fully utilized, the floor area of a single unit is reduced, the adverse factor influence caused by small area of a machine room 9 is reduced, and great convenience is brought to engineering system maintenance.

It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A laminar flow ward unit, comprising:

a first air inlet is formed in the side face of the second accommodating space, and a middle-effect filtering assembly, a cold air pipe assembly and a hot air pipe assembly are sequentially arranged on one side, close to the first air inlet, of the second accommodating space and are respectively used for filtering, refrigerating or heating air;

the part of fresh air and primary return air enter the second accommodating space from the first air inlet, pass through the medium-efficiency filtering assembly, the cold air pipe assembly and the hot air pipe assembly, enter the first accommodating space, pass through the first fan or the second fan, and then are pressurized and sent out from the first air outlet or the second air outlet to the laminar flow ward.

2. The laminar flow ward unit according to claim 1, characterized in that a high efficiency filter is arranged outside the body near the first air inlet for purifying air.

3. The laminar flow ward unit according to claim 1, characterized in that a third accommodation space is provided between the first accommodation space and the second accommodation space, and a flow equalizing section is provided in the third accommodation space.

4. The laminar flow ward unit according to claim 3, characterized in that the side of the third accommodation space is provided with a second air inlet.

5. The laminar flow ward unit of claim 4, wherein the first air outlet and the second air outlet are provided with air supply pipes, the other ends of the air supply pipes are connected with the top of the laminar flow ward, the first air inlet and the second air inlet are provided with air return pipes, the other ends of the air return pipes are connected with the side surface of the laminar flow ward, the first air inlet is further provided with a fresh air pipe, and the fresh air pipe is connected with an efficient filter outside the machine room.

6. The laminar flow ward unit of claim 5, wherein the return air duct is provided with check valves adjacent the first air inlet and the second air inlet.

7. The laminar flow ward unit of claim 1, further comprising a humidification section disposed on a side of the second receiving space remote from the first air inlet, the humidification section comprising a nozzle with a through hole for ejecting steam.

8. The laminar flow ward unit of claim 7, further comprising a water baffle disposed on one side of the humidification section for blocking condensation water.

9. The laminar flow ward unit of claim 1, wherein the cold air duct assembly and the hot air duct assembly comprise copper tubes and aluminum fins, the aluminum fins being provided on a perimeter of the copper tubes.

10. The laminar flow ward unit of any one of claims 1 to 9, wherein the first fan and the second fan are EC fans.