CN212440492U

CN212440492U - Multifunctional self-cleaning hospital air purification system

Info

Publication number: CN212440492U
Application number: CN202020629989.3U
Authority: CN
Inventors: 谢铮铮
Original assignee: Beijing Shijitan Hospital
Current assignee: Beijing Shijitan Hospital
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2021-02-02
Anticipated expiration: 2030-04-23

Abstract

A multifunctional self-cleaning hospital air purification system comprises a case, a hydrogen peroxide vaporization unit, a central control unit (17) and an air purification unit (45), and is characterized in that a smoke collection hood (6) and a smoke collection hose (11) can effectively collect local air in a medical environment for purification. The hydrogen peroxide vaporization unit and the central control (17) are arranged at the upper part of the case, the air purification unit (45) is arranged at the lower part of the case, and a baffle is arranged between the hydrogen peroxide vaporization unit and the central control (17) and the air purification unit (45) for separation. This patent is through automatically controlled two-way valve among the hydrogen peroxide vaporization unit, the flow direction of control VHP vapour, and VHP vapour flow direction internal spray nozzle can carry out sterilization to the filter screen, and VHP vapour flow direction outside VHP nozzle makes the VHP vapour of production, sprays to the indoor space to reach the effect of indoor sterilization. This patent has safe high-efficient local contaminated air of purifying hospital, can self inside disinfection by sterilization, possesses indoor air purification and disinfection by sterilization's dual efficiency.

Description

Multifunctional self-cleaning hospital air purification system

Technical Field

The utility model belongs to the technical field of air purification and specifically relates to a but multi-functional self-cleaning air purification system of hospital.

Background

At present, the air pollution in hospitals causes hospital infection to become a major sanitary problem, and various high-risk operations in hospitals, such as tracheal intubation, open surgery and the like, can cause microorganisms such as bacteria, viruses and the like in patients, accompanied by the scattering of droplets and aerosols, so that medical staff and other patients are at risk of infection.

Research shows that the current relatively effective and safe air purification method for hospitals is to use a high-efficiency filter for air purification, a filter screen of H13 grade can effectively filter pollutants of 100nm grade, 100nm is the minimum diameter of many bacteria and microorganisms, and the bacteria include highly pathogenic and highly transmissible microorganisms such as new coronavirus.

But current air purification device, the air purification and the circulation of whole indoor environment of attention, nevertheless lack the quick collection and the purification performance to local air, cause the high risk operation in-process easily, can't collect fast and pollute local air by the scattered thing of patient, play the effect of handling it rapidly. The dispersal of the aerosol in the room before it is collected by the decontamination device can easily cause personal infections.

Meanwhile, a large amount of viruses and bacteria can be accumulated by the high-efficiency filter used for a long time, if the high-efficiency filter is not effectively cleaned and disinfected, the filtering effect is lost after the filtering efficiency reaches a saturated state, and the reduction of the purifying efficiency and the secondary pollution of air to indoor air can be possibly caused. In particular highly transmitted pathogens such as new coronaviruses, this risk of contamination is not negligible. However, if the conventional method of cleaning after disassembly is adopted, the risk of contamination of the disassembling personnel is caused during the disassembling process. The traditional cleaning method by water washing is researched and shown to cause the obvious reduction of the filtering efficiency of the high-efficiency filter.

The existing cleaning means of the high-efficiency filter are self-heating, ultraviolet irradiation and ozone disinfection, which have certain advantages, but compared with the existing cleaning means, hydrogen peroxide disinfection cannot achieve 6-log level sterilization on biological indicators. Has unique advantages that experiments prove that the sterilization method can effectively kill the new coronavirus, and the sterilization method is used for sterilizing medical consumables in repeated use in the United states and the like. The corrosion damage to electricity, plastics, metal and the like is small, and the current research proves that the ultraviolet ray can cause the filtration efficiency reduction of the flock spraying cloth.

Disclosure of Invention

In order to overcome the existing defects, the utility model provides a but multi-functional self-cleaning air purification system of hospital.

A multifunctional self-cleaning hospital air purification system comprises a case, a hydrogen peroxide vaporization unit and a central control and air purification unit, wherein the hydrogen peroxide vaporization unit and the central control are arranged on the upper portion of the case, the air purification unit is arranged on the lower portion of the case, and baffles are arranged between the hydrogen peroxide vaporization unit and the central control and air purification unit for separation.

The outer side of the case is provided with a case shell and a case front cover, the lower end of the case is provided with a case base, and the case base is provided with universal wheels, so that the case is convenient to move and use in different wards and departments of a hospital.

The four-dimensional hose support is arranged on the chassis base, one side of the case shell is provided with a medical waste gas inlet, and the smoke collection hose is connected with the medical waste gas inlet and is fixed through the four-dimensional hose support.

Wherein, collection cigarette case is set up at collection cigarette hose end, sets up collection cigarette case handle, light sense LED lamp switch and LED lamp ring on the collection cigarette case, and collection cigarette case one end sets up the sealed lid of collection cigarette case. The LED lamp ring can supplement a light source required by medical operation, so that doctors can conveniently meet the light requirements in precision operation operations such as tracheal intubation, the light sense switch is not required to be directly touched by hands, the switch surface is only required to be covered by hands, darkness is caused, and the LED lamp ring is opened. Compared with the traditional key switch, the light sense switch is convenient to disinfect and clean due to the fact that the light sense switch is located on one plane, meanwhile, touch of hands is reduced, and hand pollution is avoided.

Wherein, the upper part of the hydrogen peroxide vaporization unit and the central control unit is provided with an external vaporized hydrogen peroxide nozzle; the lower part is provided with an internal vaporized hydrogen peroxide nozzle, the external vaporized hydrogen peroxide nozzle is communicated with the internal vaporized hydrogen peroxide nozzle through a VHP conveying pipe, and the VHP conveying pipe is provided with an electric control two-way valve.

Wherein, hydrogen peroxide vaporization unit and well accuse machine case outside set up air inlet, air inlet and inside air cleaner intercommunication, air cleaner passes through air pump intercommunication H₂O₂A vaporization chamber of₂O₂The bottom of the vaporization chamber is provided with a heater and a temperature controller; h₂O₂One end of the transfusion hose goes deep into H₂O₂The bottom of the liquid storage bottle is communicated with a peristaltic pump at the other end, and the peristaltic pump passes through H₂O₂The metal dropper is communicated with H₂O₂A vaporization chamber. The temperature controller controls the temperature to be more than 130 ℃, thereby ensuring that the hydrogen peroxide solution can reach the temperature critical of vaporization (130 ℃) after being dripped into the bottom and heated. The generated VHP gas is conveyed to an inner VHP nozzle or an outer VHP nozzle through a VHP conveying pipe, and is conveyed to a designated area after being sprayed at a high speed through the nozzles.

The hydrogen peroxide vaporization unit and the central control center are provided with a central control processor, the central control processor is connected with an LED central control screen outside the case, and the lower end of the central control processor is provided with a thermal printer, thermal paper and a scroll.

Wherein, among the air purification unit, medical waste gas air inlet inboard sets up inlet fan motor and high-efficient inlet fan, and case shell one side still sets up the disinfection exhaust outlet, and disinfection exhaust outlet inboard sets up exhaust air fan motor and exhaust air fan, disinfection exhaust outlet connects disinfection exhaust pipe.

Wherein, set up high-efficient air cleaner (HEPA) filter screen, multi-functional filter screen and pre-filter screen in the air purification unit, cover before the quick-witted case and set up the air outlet. The front cover of the case is of a fixed structure, and medical operators cannot open the front cover except for maintenance and engineering personnel, so that the safety in the operation process is ensured.

Wherein, the chassis shell is also provided with an emergency stop button, a power line and a quality control list printing outlet.

The utility model discloses a but multi-functional self-cleaning hospital air purification system who provides, the local quick collection and the disinfection of medical treatment pollution waste gas purify. To the medical treatment operation that has high concentration pollutant release, like trachea cannula, the oral cavity is diagnose, open wound operation etc. can place the collection petticoat pipe in pollutant release center, like near patient's oral cavity, carry out quick effective collection through the collection petticoat pipe, high-efficient inlet fan provides the power of bleeding, carries out air purification in effectively collecting the air purification unit through medical waste gas air inlet with polluting waste gas.

The air purification device has a self-cleaning and sterilizing function. Since various microorganisms such as bacteria and viruses are contained in medical environments, a large amount of pathogens may be present in a filter net or a filter for air filtration for a long period of time, and thus, it is necessary to perform a proper sterilization treatment.

Currently, among various sterilization techniques, Vaporized Hydrogen Peroxide (VHP) sterilization is recognized as an ideal sterilization means. Can achieve the same 6-log killing rate of the bacillus stearothermophilus (biological indicator) as the pressure cooker. Complete kill can be achieved for other bacteria, mycoplasma, chlamydia and viruses which are weaker than the bacillus stearothermophilus. Meanwhile, the VHP sterilization method can be widely applied to sterilization of indoor environments, medical instruments and various devices. The method has no influence on various metal materials, plastics, electronic equipment, electronic sockets and the like, and has good compatibility. The most critical filter material among the high efficiency air cleaner (HEPA) filter screen in this patent is glass fiber, and present research shows that VHP sterilization is good to glass fiber penetrability.

The indoor air of a hospital is sterilized, the traditional indoor air of the hospital is usually sterilized by ozone or formaldehyde fumigation, and the ozone and the formaldehyde are toxic substances, so that the indoor air of the hospital has irritation and carcinogenic risks and is harmful to human bodies. VPH sterilization is often applied to the sterilization of spaces such as biosafety laboratories, pharmaceutical workshops, etc.; is one of the advanced sterilization methods at present. VPH is finally decomposed into water and oxygen, so compared with ozone and formaldehyde, the VPH has no toxic substance residue and is safer for medical staff. This patent is through automatically controlled two-way valve among the hydrogen peroxide vaporization unit, and the flow direction of control VHP vapour can VHP vapour flow direction outside VHP nozzle, makes the VHP vapour of production, sprays to the interior space to reach the effect of indoor sterilization.

In operation processes such as intubate, often need supplementary light source to tracheal position in intubate doctor can better observe patient's mouth, consequently LED lantern ring has been designed to round position around the collection petticoat pipe very much to this patent, and LED lantern ring does not influence long-pending petticoat pipe effect along the round outside the collection petticoat pipe, can provide sufficient light source simultaneously, the medical treatment of being convenient for is operated.

The four-dimensional hose fixing device can be used for conventional indoor air purification, if special local air purification requirements do not exist; the smoke collecting hose is dismantled, the case is placed indoors where air purification is needed, and the medical waste gas inlet is used for directly purifying air from the indoor through evolution, so that the operation can save space and is convenient to place.

Drawings

FIG. 1 is a schematic view of a multifunctional self-cleanable hospital air purification system.

Fig. 2 is a schematic diagram of a filter screen of the air purification unit.

Fig. 3 is a schematic diagram of a hydrogen peroxide vaporization unit and a central control.

Detailed Description

The multifunctional self-cleanable hospital air purification system provided by the invention is described in detail with reference to the accompanying drawings and specific embodiments.

Fig. 1, 2 and 3 show a multifunctional self-cleaning hospital air purification system, which comprises a case, a hydrogen peroxide vaporization unit and central control 17 and an air purification unit 45, wherein the hydrogen peroxide vaporization unit and central control 17 are arranged at the upper part of the case, the air purification unit 45 is arranged at the lower part of the case, and a baffle plate is arranged between the hydrogen peroxide vaporization unit and central control 17 and the air purification unit 45 for separation.

The outer side of the case is provided with a case shell 1 and a case front cover 2, the lower end of the case is provided with a case base 3, the case base 3 is provided with universal wheels 4, a four-dimensional hose support 5 is arranged on the case base 3, one side of the case shell 1 is provided with a medical waste gas inlet 28, and a smoke collection hose 11 is connected with the medical waste gas inlet 28 and fixed through the four-dimensional hose support 5.

The tail end of the smoke collection hose 11 is provided with a smoke collection cover 6, a smoke collection cover handle 7, a light sensation LED lamp switch 8 and an LED lamp ring 9 are arranged on the smoke collection cover 6, and one end of the smoke collection cover 6 is provided with a smoke collection cover sealing cover 10.

An external vaporized hydrogen peroxide nozzle 18 is arranged at the upper part of the hydrogen peroxide vaporizing unit and the central control 17; the lower part is provided with an inner vaporized hydrogen peroxide nozzle 29, the outer vaporized hydrogen peroxide nozzle 18 and the inner vaporized hydrogen peroxide nozzle 29 are communicated through a VHP delivery pipe 41, and an electrically controlled two-way valve 40 is arranged on the VHP delivery pipe 41.

An air inlet 15 is arranged on the outer side of the hydrogen peroxide vaporization unit and the central control 17 case, the air inlet 15 is communicated with an internal air filter 35, and the air filter 35 is communicated with H through an air pump 36₂O₂Vaporization chamber 37, said H₂O₂The bottom of the vaporization chamber 37 is provided with a heater 38 and a temperature controller 39; h₂O₂One end of the transfusion hose 30 is inserted into the H₂O₂The bottom of the liquid storage bottle 14 is communicated with a peristaltic pump 33 at the other end, and the peristaltic pump 33 passes through H₂O₂The metal dropper 34 is communicated with H₂O₂ A vaporization chamber 37.

A central control processor 42 is arranged in the hydrogen peroxide vaporization unit and the central control 17, the central control processor 42 is connected with an LED central control screen 31 outside the chassis, and a thermal printer 43 and a thermal paper and reel 44 are arranged at the lower end of the central control processor.

In the air purification unit 45, the medical waste gas inlet 28 is inboard to be provided with air inlet fan motor 24 and high-efficient air inlet fan 25, and case shell 1 one side still sets up disinfection exhaust outlet 12, and disinfection exhaust outlet 12 is inboard to be provided with exhaust fan motor 26 and exhaust fan 27, disinfection exhaust outlet 12 connects disinfection exhaust stack 13.

A high efficiency air filter (HEPA) filter screen 21, a multifunctional filter screen 22 and a pre-filter screen 23 are arranged in the air purification unit 45, and an air outlet 20 is arranged on the front cover 2 of the case.

The chassis housing 1 is also provided with an emergency stop button 16, a power cord 19 and a quality control ticket print outlet 32.

During the disinfection of the filter, the hydrogen peroxide vaporization unit and the central control unit 17 are operated to generate vaporized hydrogen peroxide, then the VHP is sprayed into the interior 45 of the air purification unit by the internal VHP nozzle 29, and various filter screens and the interior of the whole air purification unit are comprehensively sterilized after the VHP is exposed for a period of time.

Meanwhile, before the VHP sterilization work is started, the smoke collecting cover is sealed by the smoke collecting cover sealing cover, so that the whole air inlet and filtering system is in a closed state, VHP gas can be dispersed in the smoke collecting cover and the smoke collecting hose, and therefore all air passage pipelines are sterilized comprehensively.

After the sterilization work is finished, the residual hydrogen peroxide gas is exhausted through the sterilizing exhaust outlet 12 by using the exhaust fan 27, and meanwhile, if the operation is performed indoors, in order to avoid the stimulation of the hydrogen peroxide to the human body, the sterilizing exhaust pipe 13 can be installed at the sterilizing exhaust outlet 12, and the exhaust pipe is led out to the outdoor for exhaust gas exhaust.

Finally, it should be noted that the above examples are only intended to describe the technical solutions of the present invention and not to limit the technical methods, the present invention can be extended in application to other modifications, variations, applications and embodiments, and therefore all such modifications, variations, applications, embodiments are considered to be within the spirit and teaching scope of the present invention.

Claims

1. The multifunctional self-cleaning hospital air purification system comprises a case, a hydrogen peroxide vaporization unit, a central control unit (17) and an air purification unit (45), and is characterized in that the hydrogen peroxide vaporization unit and the central control unit (17) are arranged at the upper part of the case, the air purification unit (45) is arranged at the lower part of the case, and a baffle is arranged between the hydrogen peroxide vaporization unit and the central control unit (17) and the air purification unit (45) for separation.

2. The multifunctional self-cleaning hospital air purification system according to claim 1, wherein the outer side of the case is provided with a case housing (1) and a case front cover (2), the lower end of the case is provided with a case base (3), the case base (3) is provided with universal wheels (4), a four-dimensional hose support (5) is arranged on the case base (3), one side of the case housing (1) is provided with a medical waste gas inlet (28), and the smoke collection hose (11) is connected with the medical waste gas inlet (28) and fixed through the four-dimensional hose support (5).

3. The multifunctional self-cleaning hospital air purification system according to claim 2, wherein a smoke collection hood (6) is arranged at the tail end of the smoke collection hose (11), a smoke collection hood handle (7), a light sensation LED lamp switch (8) and an LED lamp ring (9) are arranged on the smoke collection hood (6), and a smoke collection hood sealing cover (10) is arranged at one end of the smoke collection hood (6).

4. The multifunctional self-cleanable hospital air purification system according to claim 1, characterized in that in said hydrogen peroxide vaporization unit and central control (17), an external vaporized hydrogen peroxide nozzle (18) is provided at the upper part thereof; the lower part is provided with an internal vaporized hydrogen peroxide nozzle (29), the external vaporized hydrogen peroxide nozzle (18) and the internal vaporized hydrogen peroxide nozzle (29) are communicated through a VHP conveying pipe (41), and the VHP conveying pipe (41) is provided with an electric control two-way valve (40).

5. The multifunctional self-cleanable hospital air purification system according to claim 4, wherein an air inlet (15) is arranged outside the hydrogen peroxide vaporization unit and the central control unit (17), the air inlet (15) is communicated with an internal air filter (35), and the air filter (35) is communicated with H through an air pump (36)₂O₂A vaporization chamber (37), said H₂O₂The bottom of the vaporization chamber (37) is provided with a heater (38) and a temperature controller (39); h₂O₂One end of the transfusion hose (30) is inserted into the H₂O₂The bottom of the liquid storage bottle (14) is communicated with a peristaltic pump (33) at the other end, and the peristaltic pump (33) passes through H₂O₂The metal dropper (34) is communicated with H₂O₂A vaporization chamber (37).

6. The multifunctional self-cleanable hospital air purification system according to claim 4, wherein a central processor (42) is arranged in the hydrogen peroxide vaporization unit and the central controller (17), the central processor (42) is connected with an LED central control screen (31) outside the cabinet, and a thermal printer (43) and a thermal paper and reel (44) are arranged at the lower end of the central processor.

7. The multifunctional self-cleanable hospital air purification system according to claim 1, wherein in the air purification unit (45), an air inlet fan motor (24) and a high-efficiency air inlet fan (25) are arranged inside a medical waste air inlet (28), a disinfection waste air outlet (12) is further arranged on one side of the box housing (1), a waste air exhaust fan motor (26) and a waste air exhaust fan (27) are arranged inside the disinfection waste air outlet (12), and the disinfection waste air outlet (12) is connected with the disinfection waste air exhaust pipe (13).

8. The multifunctional self-cleanable hospital air purification system according to claim 1, wherein a high efficiency air filter (HEPA) filter screen (21), a multifunctional filter screen (22) and a pre-filter screen (23) are arranged in the air purification unit (45), and an air outlet (20) is arranged on the front cover (2) of the case.

9. The multifunctional self-cleanable hospital air purification system according to claim 1, characterized in that an emergency stop button (16), a power cord (19) and a quality control single print outlet (32) are further provided on the chassis housing (1).