CN115930349A

CN115930349A - Air purification and sterilization device for hospital

Info

Publication number: CN115930349A
Application number: CN202211325101.7A
Authority: CN
Inventors: 纪芳; 马慧敏
Original assignee: Shandong Rongjun General Hospital
Current assignee: Shandong Rongjun General Hospital
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-04-07

Abstract

The invention relates to an air purification and sterilization device for hospitals, which comprises: the air suction device, the exhaust device and the air delivery pipe; the air suction device comprises an upper connecting part, and the air exhaust device comprises a lower connecting part; the gas transmission pipe comprises a corrugated part; one end of the gas pipe is communicated with the gas suction device, and the other end of the gas pipe is communicated with the exhaust device; the air suction device and the air exhaust device can be switched between an open state and a closed state; the invention adopts the circumferential air intake and circumferential air exhaust modes, and has high air intake and exhaust efficiency and attractive appearance. The whole structure design is ingenious, does not occupy space simultaneously, and its sterilization is efficient, and the sterilization is abundant, can be under the condition that does not occupy space, makes gas more abundant mix with the sterile solution, and the sterilization is abundant. Can be applied to narrow space occasions such as sickrooms of hospitals and the like.

Description

Air purification and sterilization device for hospital

Technical Field

The invention relates to the field of air purification, in particular to an air purification and sterilization device for hospitals.

Background

Hospitals need still carry out disinfection to the air when purifying the air to guarantee hospital personnel and patient's healthy.

The existing air purifier generally does not have a disinfection function, carries out air filtration through a filter screen, does not have a sterilization effect, and does not meet the sterile requirements of hospitals.

The existing air purification and sterilization device for hospitals has the problems of large volume, large occupied space, incomplete sterilization, too high air humidity after purification and the like. Can not meet the requirements of emergency rooms, sickrooms and the like in hospitals.

Therefore, a sterilization apparatus for hospitals which is small in size, thoroughly sterilizes air, and has high air dryness after purification is demanded.

Disclosure of Invention

To alleviate or solve at least one aspect or at least one point of the above problems, the present invention proposes:

according to one aspect of the present invention, there is provided an air purification and sterilization apparatus for hospitals, comprising: the air suction device, the exhaust device and the air delivery pipe; the air suction device comprises an upper connecting part, and the air exhaust device comprises a lower connecting part; the gas transmission pipe comprises a corrugated part; one end of the gas pipe is communicated with the gas suction device, and the other end of the gas pipe is communicated with the exhaust device; the air suction device and the air exhaust device can be switched between an open state and a closed state; in an opening state, the upper connecting part is separated from the lower connecting part, and the corrugated part has a first length L1; in a closed state, the upper connecting part is in sealing connection with the lower connecting part, and the corrugated part has a second length L2; the first length L1 is greater than the second length L2.

The invention can achieve the effect of sufficient sterilization by sending the filtered gas into the sterilization liquid through the gas pipe. Meanwhile, the air suction device and the exhaust device can be freely switched between an open state and a closed state by utilizing the extensibility of the corrugated part; the device is small and exquisite as a whole, is convenient to disassemble, and is convenient to replace disinfectant in the exhaust device.

In order to achieve better sterilization and disinfection effects and ensure the compactness of the invention, the invention also provides the following preferred technical scheme:

preferably, the air suction device comprises an upper shell, an upper cover plate, a first bottom plate, a first filter plate and a fan, wherein a plurality of air inlets are formed in the upper shell; the first filter plate divides the getter device into a first chamber and a second chamber; the outside air enters the first chamber from the air inlet hole on one side, and enters the second chamber after being filtered by the filter plate.

Preferably, the fan is arranged in the second chamber and is communicated with one end of the gas conveying pipe.

Preferably, the exhaust device comprises a lower shell, an inner shell, a lower cover plate and a second bottom plate; the lower shell is provided with a plurality of exhaust holes, and the inner shell divides the exhaust device into a third cavity and a fourth cavity.

Preferably, the gas pipe also comprises a coiling part, the coiling part is arranged at the bottom of the fourth chamber, and micro-pores are formed on the coiling part.

Preferably, the density of the micropores is arranged to decrease gradually from the inlet of the coil to the outlet of the coil.

Preferably, the inner shell is further provided with an exhaust pipe, an inlet of the exhaust pipe is communicated with the upper portion of the inner shell, and an outlet of the lower portion of the exhaust pipe is arranged close to the second bottom plate.

Preferably, the inner shell is further provided with a circulating pipe, an inlet of the circulating pipe is communicated with the bottom of the inner shell, an outlet of the circulating pipe is communicated with the upper part of the inner shell, an outlet of the circulating pipe is provided with a nozzle, and the circulating pipe is provided with a circulating pump.

Preferably, a second filter plate is arranged between the inner shell and the lower shell.

Preferably, the height of the inner case is lower than that of the lower case.

The invention adopts the modes of side air inlet and side air exhaust, can fully exhaust air, and simultaneously utilizes the corrugated part to conveniently switch the air suction device and the air exhaust device between the open state and the closed state. The invention simultaneously utilizes the spiral part, and can avoid that gas is directly discharged from the sterilizing liquid due to the over-pressure of the gas when the gas enters the sterilizing liquid, thereby causing insufficient sterilization of the gas. Furthermore, the micro-pores are arranged on the coiling part, and the density of the micro-pores is changed along with the length of the coiling part, so that gas can be ensured to uniformly enter the sterilizing liquid, and the effects of full mixing and sterilization are achieved.

Further, the sterilization liquid in the inner shell is sprayed into the fourth cavity through the nozzle through the circulating pipe, and further, after the gas from the coiling part enters the sterilization liquid, the gas rises from the sterilization liquid into the fourth cavity, and then is further mixed with the sterilization liquid sprayed from the nozzle, so that the aim of full sterilization is further fulfilled. Through the arrangement, the device can achieve the purpose of sufficient sterilization under the condition of small structure.

Meanwhile, the gas from the fourth cavity has high humidity and contains more sterilization liquid, so that the gas is not suitable for being directly discharged into the air. And through setting up the second filter, carry out gaseous drying filtration to through the exhaust hole on the lower casing, discharge dry, aseptic gas, in order to satisfy the aseptic requirement of hospital.

Drawings

Fig. 1 is a schematic perspective view of a sterilization apparatus according to the present invention.

Fig. 2 is a schematic front view of a sterilization device according to the present invention.

Fig. 3 isbase:Sub>A schematic sectional view taken along the directionbase:Sub>A-base:Sub>A in fig. 2.

Fig. 4 is a schematic perspective view of a sterilization apparatus according to the present invention (the lower case is not shown).

Fig. 5 is a perspective view of another perspective view of the sterilization apparatus according to the present invention (the lower housing is not shown).

Fig. 6 is a schematic front view of a sterilization apparatus according to the present invention (lower case not shown).

Fig. 7 is a schematic perspective view of a sterilization device according to the present invention from another perspective (not shown in the lower housing).

Wherein: 1-an upper shell, 11-an air inlet, 12-an upper connecting part, 13-a first bottom plate, 14-a first filter plate and 15-a fan; 2-lower shell, 21-vent hole, 22-lower connecting part, 23-second bottom plate; 3, an upper cover plate, 31-a first clamping part; 4-inner shell, 41-lower cover plate; 5-gas pipe, 51-corrugated part, 52-coiled part and 53-micropore; 6-an exhaust pipe; 7-circulation pipe, 71-nozzle, 72-pump; 8-second filter plate.

Detailed Description

The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the general inventive concept of the present invention and should not be construed as limiting the invention. In the present invention, the same reference numerals denote the same or similar components.

The features described herein may be embodied in different forms and should not be construed as limited to the examples described herein. Rather, the examples described herein have been provided to illustrate only some of the many possible ways to implement the methods, devices, and/or systems described herein, which will be apparent after understanding the present disclosure.

Although terms such as "first", "second", and "third" may be used herein to describe various elements, components, regions, layers or sections, these elements, components, regions, layers or sections should not be limited by these terms. Rather, these terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section.

In the specification, when an element (such as a layer, region or substrate) is described as being "on," "connected to" or "coupled to" another element, it can be directly on, connected to or coupled to the other element or one or more other elements may be present therebetween. In contrast, when an element is referred to as being "directly on," "directly connected to" or "directly coupled to" another element, there may be no intervening elements present.

The terminology used herein is for the purpose of describing various examples only and is not intended to be limiting of the disclosure. The singular is also intended to include the plural unless the context clearly indicates otherwise. The terms "comprises," "comprising," and "having" specify the presence of stated features, quantities, operations, elements, components, and/or combinations thereof, but do not preclude the presence or addition of one or more other features, quantities, operations, components, elements, and/or combinations thereof.

The following exemplary embodiments are presented to enable a person skilled in the art to make and use the teachings of the present invention, and may be combined in any suitable manner with specific application scenarios, specific system, device and component parameters, and specific connection schemes. However, these embodiments are merely examples, and the general principles defined herein may be applied to other embodiments and applications without departing from the spirit and scope of the present invention.

According to an exemplary embodiment of the present invention: as shown in fig. 1 to 7, an air purification and sterilization apparatus for hospitals comprises: an air suction device, an air exhaust device and an air delivery pipe 5; the suction means comprises an upper connection portion 12 and the discharge means comprises a lower connection portion 22; the gas pipe 5 includes a corrugated portion 51; one end of the gas pipe 5 is communicated with the gas suction device, and the other end is communicated with the exhaust device; the air suction device and the air exhaust device can be switched between an open state and a closed state; in the open state, the upper connecting part 12 is separated from the lower connecting part 22, the corrugated part 51 has a first length L1, in the closed state, the upper connecting part 12 is in sealing connection with the lower connecting part 22, and the corrugated part 51 has a second length L2; the first length L1 is greater than the second length L2.

As shown in fig. 1-3, according to an exemplary embodiment of the present invention, the upper connecting portion 12 and the lower connecting portion 22 may have an interference fit therebetween to achieve a sealed connection therebetween. Alternatively, the upper connecting portion 12 or the lower connecting portion 22 may be made of an elastic material, such as a deformable material like rubber.

As shown in fig. 1 to 3, according to an exemplary embodiment of the present invention, a getter device includes an upper case 1, an upper cover plate 3, a first base plate 13, a first filter plate 14 and a fan 15, the upper case 1 having a plurality of air inlet holes 11 formed therein, the first filter plate 14 dividing the getter device into a first chamber and a second chamber; the outside air enters the first chamber from the air inlet hole 11 on one side, and enters the second chamber after being filtered by the first filter plate 14. The fan 15 is arranged in the second chamber, and the fan 15 is communicated with one end of the air conveying pipe 5. The optional first filter plate 14 may be an activated carbon filter plate.

According to an exemplary embodiment of the present invention, wherein the upper casing 1 has a circular ring structure, the first filter plate 14 has a circular ring structure, and both are coaxially disposed. The lower part of the upper cover plate 3 is provided with a first clamping part 31, and the first clamping part 31 is a sealing part and used for sealing a first cavity and a second cavity. Optionally, a detachable sealing connection is formed between the upper cover plate 3 and the upper shell 1. As shown in fig. 3, the sealing portion may be made of a rubber material, and is connected with the upper housing 1 in a sealing manner by interference fit; while it abuts against the first filter plate 14 to form a seal. Optionally, a butt-joint groove for abutting against the first filter plate 14 is formed on the first clamping portion 31, and meanwhile, a butt-joint groove for abutting against the first filter plate 14 is formed on the first bottom plate 13, so as to form sealing.

As shown in fig. 1,3 to 7, according to an exemplary embodiment of the present invention, the exhaust apparatus includes a lower case 2, an inner case 4, a lower cover plate 41, a second bottom plate 23; the lower housing 2 is provided with a plurality of exhaust holes 21, and the inner housing 4 divides the exhaust device into a third chamber and a fourth chamber. A fourth chamber for receiving a sterilizing liquid, into which the sterilizing liquid can be introduced by opening the lower cover plate 41.

According to an exemplary embodiment of the present invention, the lower housing 2 is a circular ring structure, and the inner housing 4 is a circular ring structure, both of which are coaxially disposed. A sealing part for sealing the fourth chamber is formed at the lower portion of the lower cover plate 41. Optionally, a detachable sealing connection is formed between the lower cover plate 41 and the inner shell 4.

According to an exemplary embodiment of the present invention, as shown in FIG. 5, the gas delivery pipe 5 further includes a coiled portion 52, the coiled portion 52 being disposed at the bottom of the fourth chamber, the coiled portion 52 having micro pores 53 formed therein. When the sterilizing device is used, the coiling part 52 is positioned below the liquid level of the sterilizing liquid so as to enable the gas to finish the sterilization work. Alternatively, the density of the micro-pores 53 is arranged to decrease gradually from the inlet of the coil to the outlet of the coil. Through the arrangement, the gas can be slowly and uniformly released into the disinfectant, and the sterilization treatment of the gas is completed.

According to an exemplary embodiment of the present invention, as shown in fig. 3,4 and 5, the inner shell 4 is further provided with a circulation pipe 7, an inlet of the circulation pipe 7 is communicated with the bottom of the inner shell 4, an outlet of the circulation pipe 7 is communicated with the upper portion of the inner shell 4, an outlet of the circulation pipe 7 is provided with a nozzle 71, and the circulation pipe 7 is provided with a circulation pump 72. Through the arrangement, the disinfectant can be sprayed into the fourth cavity, so that the gas coming out of the disinfectant is further mixed with the disinfectant to finish the disinfection work. As shown in fig. 4, the circulation pipe 7 is schematically provided with 1 group, but of course, a plurality of groups can be provided as required and are within the protection scope of the present invention.

According to an exemplary embodiment of the present invention, as shown in fig. 3,5 and 7, the inner casing 4 is further provided with an exhaust pipe 6, an inlet of the exhaust pipe 6 is communicated with an upper portion of the inner casing 4, and a lower outlet of the exhaust pipe 6 is disposed near the second bottom plate 23. Preferably, the inlet of the exhaust pipe 6 is located higher than the nozzle 71 of the circulation pipe 7. This allows only the gas after sufficient sterilization to be discharged from the gas discharge pipe 6. Preferably, the exhaust pipe 6 is L-shaped with the outlet facing downwards. The outlet of the exhaust pipe 6 is lower than the position of the second filter plate 8, and the disinfectant brought by the gas which is discharged from the exhaust pipe 6 can flow to the bottom by utilizing the action of gravity; meanwhile, the second filter plates 8 can sufficiently dry the gas discharged from the exhaust pipe 6. The second filter plate 8 can be a water absorbing medium such as an activated carbon plate or sponge. In order to enhance the exhaust force, an exhaust fan 15 may be disposed on the exhaust pipe 6. As shown in fig. 5, the exhaust pipes 6 of the present invention are provided in 3 sets, but it is needless to say that other number of exhaust pipes 6 may be provided as necessary.

According to an exemplary embodiment of the present invention, the height of the inner case 4 is lower than the height of the lower case 2. The height of the inner shell 4 is lower than that of the lower shell 2, so that space is provided for accommodating the air conveying pipe 5.

According to an exemplary embodiment of the present invention, the height of the inner case 4 is lower than the height of the lower case 2. The height of the inner shell 4 is lower than that of the lower shell 2, so that space is provided for accommodating the gas transmission pipe 5. Optionally, as shown in fig. 3, one end of the gas pipe 5 may be fixedly connected to the first bottom plate 13 in an inserting, sealing and fixing manner, and the other end of the gas pipe 5 is fixedly connected to the inner housing 4 in an inserting, sealing and fixing manner. Optionally, the spiral part can be manufactured separately, and after the spiral part is manufactured, the spiral part is connected with the straight pipe in a sealing mode.

Referring to fig. 1-7, the operation of the present invention will be briefly described, in which the fan 15 is started, and the external air enters the first chamber through the air inlet 11, and then enters the second chamber through the first filter plate 14. Then, the gas is conveyed to the bottom of the fourth cavity through the gas conveying pipe 5, and at the moment, the disinfection solution is placed in the fourth cavity. The gas is ejected from the micro-pores 53 of the coil part, and rises from the disinfectant after being sufficiently disinfected in the disinfectant; meanwhile, the pump 72 in the circulating pipe 7 is started to pump out the disinfectant at the bottom and spray out from the nozzle 71; the rising gas is again sterilized. Then the gas enters from the inlet of the exhaust pipe 6 and flows downwards, and the liquid carried by the gas automatically flows to the bottom of the third chamber due to the action of gravity; then, the gas rises, passes through the second filter plate 8, and is discharged through the exhaust hole 21, completing the air purification process.

When the disinfection solution is replaced, the connecting part on the upper shell 1 is pulled upwards relative to the lower connecting part 22 of the lower shell 2, and the corrugated part 51 is stretched. The lower cover body is opened, and disinfectant is added into the inner shell 4. The disinfection solution can be replaced by covering the upper cover body and the lower cover body.

The sterilization device adopts the circumferential air intake and circumferential air exhaust modes, and has high air intake and exhaust efficiency and attractive appearance. The sterilization device has the advantages of ingenious integral structural design and no space occupation, and is suitable for occasions with narrow spaces such as wards of hospitals. Meanwhile, the sterilization efficiency is high, the sterilization is sufficient, and the gas can be more sufficiently mixed with the sterilization liquid under the condition of not occupying space, so that the sterilization is sufficient. And through ingenious design, the final gas meets the requirement of dryness at the same time, and the technical effect is good.

Although embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments and combinations of elements without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.

Claims

1. The utility model provides a hospital uses air purification sterilization apparatus which characterized in that: the method comprises the following steps: an air suction device, an air exhaust device and a gas pipe (5); the air suction device comprises an upper connecting part (12), and the air exhaust device comprises a lower connecting part (22); the gas pipe (5) comprises a corrugated part (51);

one end of the gas pipe (5) is communicated with the gas suction device, and the other end is communicated with the exhaust device;

the air suction device and the air exhaust device can be switched between an open state and a closed state;

in the open state, the upper connecting part (12) is separated from the lower connecting part (22), and the corrugated part (51) has a first length L1;

in a closed state, the upper connecting part (12) is in sealing connection with the lower connecting part (22), and the corrugated part (51) has a second length L2;

the first length L1 is greater than the second length L2.

2. A sterilization apparatus according to claim 1, wherein: the air suction device comprises an upper shell (1), an upper cover plate (3), a first bottom plate (13), a first filter plate (14) and a fan (15), wherein a plurality of air inlet holes (11) are formed in the upper shell (1); the first filter plate (14) divides the getter device into a first chamber and a second chamber; the outside air enters the first chamber from the air inlet hole (11) on one side, and enters the second chamber after being filtered by the filter plate.

3. A sterilization apparatus according to claim 2, characterized in that: the fan (15) is arranged in the second chamber, and the fan (15) is used for providing power for the air conveying pipe (5).

4. A sterilisation apparatus according to any one of the claims 1-3, wherein: the exhaust device comprises a lower shell (2), an inner shell (4), a lower cover plate (41) and a second bottom plate (23);

the lower shell (2) is provided with a plurality of exhaust holes (21), and the inner shell (4) divides the exhaust device into a third chamber and a fourth chamber.

5. A sterilization apparatus according to claim 4, characterized in that: the gas pipe (5) further comprises a coiling part (52), the coiling part (52) is arranged at the bottom of the fourth chamber, and a micro-pore (53) is formed in the coiling part (52).

6. A sterilization apparatus according to claim 5, characterized in that: the density of the micro-pores (53) is arranged to decrease gradually from the inlet of the coil to the outlet of the coil.

7. A sterilization apparatus according to claim 4, characterized in that: an exhaust pipe (6) is further arranged on the inner shell (4), an inlet of the exhaust pipe (6) is communicated with the upper portion of the inner shell (4), and an outlet at the lower portion of the exhaust pipe (6) is arranged close to the second bottom plate (23).

8. A sterilization apparatus according to claim 4, wherein: the inner shell (4) is also provided with a circulating pipe, the inlet of the circulating pipe is communicated with the bottom of the inner shell (4), the outlet of the circulating pipe is communicated with the upper part of the inner shell (4), the outlet of the circulating pipe is provided with a nozzle, and the circulating pipe is provided with a circulating pump (72).

9. A sterilization apparatus according to claim 4, characterized in that: a second filter plate (8) is arranged between the inner shell (4) and the lower shell (2).

10. A sterilization apparatus according to claim 4, characterized in that: the height of the inner shell (4) is lower than that of the lower shell (2).