CN212720156U - Air conditioning equipment for isolation ward - Google Patents
Air conditioning equipment for isolation ward Download PDFInfo
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- CN212720156U CN212720156U CN202021001583.7U CN202021001583U CN212720156U CN 212720156 U CN212720156 U CN 212720156U CN 202021001583 U CN202021001583 U CN 202021001583U CN 212720156 U CN212720156 U CN 212720156U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Central Air Conditioning (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The utility model discloses an air conditioning equipment for isolation ward, which comprises an outer shell, wherein the bottom and the top of the outer shell are respectively provided with an air return cavity and an air supply cavity, the air return cavity and the air supply cavity are respectively provided with an air filter, the air return cavity is connected with an air exhaust cavity through an exhaust fan, the air exhaust cavity is provided with an exhaust valve, and the air exhaust cavity is communicated with an air mixing cavity through the air return valve; the air mixing cavity is provided with a fresh air valve, the air mixing cavity is communicated with the air supply cavity through an air feeder, and the air supply cavity is provided with an air supply outlet. The scheme is mainly aimed at the epidemic disease occurrence period and the special requirements of the ventilation air-conditioning system of the isolation ward of the infectious disease hospital, ensures that the negative (positive) pressure and the air quality of the ward meet the standard requirements, the condensed water disinfection treatment, the safe utilization of the return air and the diffusion oxygenation of the ward ensure that the patient in the isolation room obtains a good indoor environment, and can ensure the rapidness and the convenience of transforming the non-infectious ward into the infectious ward.
Description
Technical Field
The utility model relates to an air purification technical field, concretely relates to air conditioning equipment in isolation ward.
Background
The modified sickrooms are different in ventilation and air conditioning facilities, some of the modified sickrooms are central air conditioning systems with return air, some of the modified sickrooms are independent fresh air and fan coil air conditioning systems, some of the modified sickrooms are multi-connected air conditioners without fresh air and split air conditioners or variable refrigerant, and some of the modified sickrooms are even without air conditioners.
How to adapt or configure the ventilation and air conditioning facility as quickly as possible to meet the requirements of medical isolation? What are reasonable, appropriate, and compliant retrofitting measures to be taken for different types of ventilation air conditioning systems? Which ventilation and air conditioning system is the simplest, the fastest and the most efficient to retrofit these existing installations? Is one of the most urgent problems at present.
SUMMERY OF THE UTILITY MODEL
The utility model provides a small-size air conditioning equipment that can install fast, use and maintain simply and accord with infectious ward air requirement to the above-mentioned not enough of prior art.
In order to achieve the above object, the utility model adopts the following technical scheme:
the air conditioning equipment for isolating the ward comprises an outer shell, wherein the bottom and the top of the outer shell are respectively provided with an air return cavity and an air supply cavity, air filters are arranged in the air return cavity and the air supply cavity, the air return cavity is connected with an air exhaust cavity through an exhaust fan, an exhaust valve is arranged on the air exhaust cavity, and the air exhaust cavity is communicated with an air mixing cavity through the air return valve; the air mixing cavity is provided with a fresh air valve, the air mixing cavity is communicated with the air supply cavity through an air feeder, and the air supply cavity is provided with an air supply outlet.
The utility model has the advantages that: the scheme overcomes the problem that the separation air conditioner airflow organization does not meet the requirements of an isolation ward. The exhaust air is filtered for many times and is disinfected in a combined manner, so that the exhaust air strictly reaches the air exhaust standard of an infectious disease ward, the air supply and exhaust mode can be freely switched and selected, and the unit is provided with an exhaust air system, a fresh air system and an air supply system and can be freely switched among a full return air mode, a fresh air mixing and partial exhaust mode and a full fresh air and full exhaust mode. The return air inlet and the air supply outlet are both provided with high-efficiency air filtering devices, and the air supply and the air exhaust are both processed clean air. Under the condition of meeting the fresh air quantity, the air quantity of the fresh air and the air quantity of the exhaust fan are adjusted through the frequency converter and the air valve, and different requirements of negative pressure or positive pressure in a ward are met.
Drawings
Fig. 1 is a schematic structural diagram of an air conditioner for a split type isolation ward.
Fig. 2 is a schematic structural diagram of an air conditioner for an integrated isolation ward.
Fig. 3 is a schematic view illustrating the installation of the split type air conditioner.
Fig. 4 is a schematic view of the installation of the unitary air conditioner.
Fig. 5 is a control schematic diagram of the air conditioner.
The system comprises a primary filter 1, a secondary filter 2, a high-efficiency filter 3, an ultraviolet sterilization device 4, an exhaust fan 5, an exhaust valve 6, an exhaust valve 7, a fresh air valve 8, an air return valve 9, a condensed water tank 10, an evaporator 11, an electric heater 12, a humidifying spray pipe 13, a blower 14, a condenser 15, a compressor 16, an oxygen generator 17, a condensing fan 18, a heating pipe 19 and a pressure difference device.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes may be made apparent to those skilled in the art within the spirit and scope of the present invention as defined and defined by the appended claims.
As shown in fig. 1, the air conditioning equipment for the isolation ward provided by the scheme comprises an outer shell, wherein the bottom and the top of the outer shell are respectively provided with an air return cavity and an air supply cavity, air filters are respectively arranged in the air return cavity and the air supply cavity, the air return cavity is connected with an air exhaust cavity through an exhaust fan 5, an exhaust valve 6 is arranged on the air exhaust cavity, and the air exhaust cavity is communicated with an air mixing cavity through an air return valve 8; the air mixing cavity is provided with a fresh air valve 7, the air mixing cavity is communicated with the air supply cavity through an air feeder 13, and the air supply cavity is provided with an air supply outlet.
The scheme overcomes the problem that the separation air conditioner airflow organization does not meet the requirements of an isolation ward. The exhaust air is filtered for many times and is disinfected by ultraviolet rays, so that the discharged air strictly reaches the air discharge standard of the infectious disease ward.
The return air inlet and the air supply outlet are both provided with high-efficiency air filtering devices, and the air supply and the air exhaust are both processed clean air. Under the condition of meeting the fresh air quantity, the fresh air and the air quantity of the exhaust fan 5 are adjusted through the frequency converter and the air valve, so that different requirements of negative pressure or positive pressure in a ward are met.
The air return cavity is sequentially provided with a primary filter 1, a secondary filter 2 and a high-efficiency filter 3, the fresh air valve 7 is provided with the primary filter 1, and the air supply cavity is sequentially provided with the secondary filter 2 and the high-efficiency filter 3. And pressure difference devices 19 are arranged on both sides of the high-efficiency filter 3 in the air return cavity and both sides of the high-efficiency filter 3 in the air supply cavity. Two ultraviolet sterilization devices 4 are arranged in the air return cavity, and the two ultraviolet sterilization devices 4 are respectively distributed on two sides of the high-efficiency filter 3.
Aiming at the characteristics of viruses in an infectious disease ward, a double air treatment measure of multilayer high-efficiency air filtration and ultraviolet disinfection is adopted. Pathogenic microorganisms in the air do not exist freely and usually adhere to dust particles, so that the high-efficiency filter 3 can effectively intercept the dust particles and also can effectively isolate the pathogenic microorganisms, primary, intermediate and high-efficiency triple filtration is adopted, the selected high-efficiency filter 3 has the trapping rate of particles with the particle size of more than or equal to 0.3 mu m of over 99.99 percent, and meanwhile, ultraviolet disinfection devices are arranged in front of and behind the filter, so that the pathogenic microorganisms retained on the surface of the filter are killed while the air is disinfected, and the condition that the pathogenic microorganisms proliferate in the filter and scatter to the downstream side of the filter after a period of time to cause secondary pollution is avoided.
The pressure difference device 19 can monitor the room pressure difference and automatically control the fresh air and the exhaust air volume to ensure the negative (positive) pressure difference requirement of the ward. The pressure drop of the high-efficiency filter 3 can be monitored, and the failure of the high-efficiency filter 3 can be automatically prompted to be replaced. The control system automatically controls the temperature and humidity in the ward.
An evaporator 10 is arranged in the air mixing cavity, two ends of the evaporator 10 are connected with a condensing system, and an electric heater 11 is arranged on the evaporator 10. A humidifying spray pipe 12 is arranged in the air mixing cavity, the humidifying spray pipe 12 is connected with a condensed water tank 9, and a heating pipe 18 is arranged in the condensed water tank 9. A water receiving tank is arranged below the evaporator 10 and is communicated with the condensed water tank 9 through a pipeline.
Water condensed by the evaporator 10 is recovered through a water receiving tank, and the condensed water automatically flows into a condensed water tank 9; the electric heating tube immersed in the water is electrified, the electric heating tube generates heat to heat the water to boiling, clean steam is generated and is conveyed into the air through the humidifying spray tube 12, so that the air is humidified (namely the humidity is increased), and the humidifying purpose is achieved; when humidification or partial humidification is not needed, the water is heated to boiling and then discharged, and the discharged water is guaranteed to be sterilized at high temperature. Automatically adjust the temperature and humidity in the ward.
The condensing system comprises a fan shell, a condenser 14, a condensing fan 17 and an oxygen generator 16 are arranged in the fan shell, the condenser 14 is connected with a compressor 15, the compressor 15 is connected with the evaporator 10, and the oxygen generator 16 is connected with the air mixing cavity. The scheme utilizes the oxygen generator 16 to deliver oxygen to the ward, so that dispersed oxygen supply is realized, and oxygen required by personnel in the ward is fully ensured.
As shown in fig. 1 to 4, the present solution can use the condensing system and the air conditioner separately, the condensing system is installed outside the ward as an outdoor unit, and the air conditioner is installed inside the ward. Meanwhile, the condensing system can be arranged in the air conditioning equipment to form a whole which is arranged outside the ward. The use requirements of different wards are met.
As shown in fig. 5, the working principle of the scheme is as follows:
the full return air mode: air at an air outlet in a ward enters a unit through an air pipe, is treated by a primary filter 1, an intermediate filter 2, an ultraviolet sterilization device 4, a high-efficiency filter 3 and the ultraviolet sterilization device 4 and then is delivered to an air mixing section through an exhaust fan 5, an exhaust valve 6 is closed, a fresh air valve 7 is closed, an air return valve 8 is opened, and the air is refrigerated by an evaporator 10, dehumidified, heated by an electric heater 11, humidified by a humidifying spray pipe 12, an air feeder 13, the intermediate filter 2 and the high-efficiency filter 3 and then is delivered to an air supply system in the ward through the air pipe.
Fresh and return air mixing and partial air exhausting mode: air at an air outlet in a ward enters an air return inlet through an air pipe, and is processed by a primary filter 1, an intermediate filter 2, an ultraviolet sterilization device 4, a high-efficiency filter 3 and an ultraviolet sterilization device 4 and then is delivered to an air mixing stage through an exhaust fan 5, an exhaust valve 6, a fresh air valve 7 and an air return valve 8 are all opened according to a set exhaust proportion, the exhaust air is exhausted to an outdoor appointed place through the air pipe, the fresh air is mixed with the return air through the primary filter 1 and then is refrigerated through an evaporator 10, dehumidified, heated by an electric heater 11, humidified by a humidifying spray pipe 12, a blower 13, the intermediate filter 2 and the high-efficiency filter 3 and then is delivered to an air supply system in the ward through the air.
Full new trend + full mode of airing exhaust: air at an air outlet in a ward enters an air return inlet through an air pipe, and is processed by a primary filter 1, an intermediate filter 2, an ultraviolet sterilization device 4, a high-efficiency filter 3 and the ultraviolet sterilization device 4 and then is delivered to an air mixing section through an exhaust fan 5, an exhaust valve 6 and a fresh air valve 7 are both opened according to a set exhaust proportion, an air return valve 8 is closed, exhaust air is exhausted to an outdoor appointed place through the air pipe, and fresh air is refrigerated by the primary filter 1 and an evaporator 10, dehumidified, heated by an electric heater 11, humidified by a humidifying spray pipe 12, humidified by a blower 13, the intermediate filter 2 and the high-efficiency filter 3 and then is delivered to an air supply system in the ward through the air pipe.
The air supply and exhaust mode can be freely switched and selected, the equipment is provided with an air exhaust system, a fresh air system and an air supply system, and the air supply system can be freely switched among a full return air mode, a mixed fresh return air and partial air exhaust mode, and a full fresh air and full air exhaust mode.
The scheme is mainly aimed at the epidemic disease occurrence period and the special requirements of the ventilation air-conditioning system of the isolation ward of the infectious disease hospital, ensures that the negative (positive) pressure and the air quality of the ward meet the standard requirements, the condensed water disinfection treatment, the safe utilization of the return air and the diffusion oxygenation of the ward ensure that the patient in the isolation room obtains a good indoor environment, and can ensure the rapidness and the convenience of transforming the non-infectious ward into the infectious ward.
Claims (8)
1. The air conditioning equipment for the isolation ward is characterized by comprising an outer shell, wherein the bottom and the top of the outer shell are respectively provided with an air return cavity and an air supply cavity, air filters are arranged in the air return cavity and the air supply cavity, the air return cavity is connected with an air exhaust cavity through an exhaust fan (5), an exhaust valve (6) is arranged on the air exhaust cavity, and the air exhaust cavity is communicated with an air mixing cavity through an air return valve (8); the air mixing cavity is provided with a fresh air valve (7), the air mixing cavity is communicated with the air supply cavity through an air feeder (13), and the air supply cavity is provided with an air supply outlet.
2. The air conditioning equipment in the isolation ward of claim 1, wherein a primary filter (1), a medium-efficiency filter (2) and a high-efficiency filter (3) are sequentially arranged in the air return cavity, the primary filter (1) is arranged at the fresh air valve (7), and the medium-efficiency filter (2) and the high-efficiency filter (3) are sequentially arranged in the air supply cavity.
3. Air conditioning equipment in an isolation ward according to claim 2, characterized in that pressure difference devices (19) are arranged on both sides of the high efficiency filter (3) in the return air cavity and both sides of the high efficiency filter (3) in the supply air cavity.
4. Air conditioning equipment for isolation ward according to claim 2, characterized in that two ultraviolet sterilization devices (4) are arranged in the return air cavity, and the two ultraviolet sterilization devices (4) are respectively distributed at two sides of the high efficiency filter (3).
5. The air conditioning equipment of the isolation ward of claim 1, wherein a humidifying nozzle (12) is arranged in the air mixing cavity, the humidifying nozzle (12) is connected with a condensed water tank (9), and a heating pipe (18) is arranged in the condensed water tank (9).
6. Air conditioning equipment for isolation ward according to claim 5, wherein an evaporator (10) is arranged in the air mixing chamber, both ends of the evaporator (10) are connected with a condensing system, and an electric heater (11) is arranged on the evaporator (10).
7. The air conditioning equipment in the isolation ward of claim 6, wherein the condensing system comprises a fan housing, a condenser (14), a condensing fan (17) and an oxygen generator (16) are arranged in the fan housing, one end of the condenser (14) is connected with a compressor (15), the other end of the condenser is connected with an evaporator (10), the compressor (15) is connected with the evaporator (10), and the oxygen generator (16) is connected with a fresh air cavity.
8. The air conditioning unit of an isolation ward of claim 7, wherein the fan housing is disposed outside or within the outer housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021001583.7U CN212720156U (en) | 2020-06-03 | 2020-06-03 | Air conditioning equipment for isolation ward |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021001583.7U CN212720156U (en) | 2020-06-03 | 2020-06-03 | Air conditioning equipment for isolation ward |
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| Publication Number | Publication Date |
|---|---|
| CN212720156U true CN212720156U (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021001583.7U Active CN212720156U (en) | 2020-06-03 | 2020-06-03 | Air conditioning equipment for isolation ward |
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| CN (1) | CN212720156U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113251507A (en) * | 2021-04-30 | 2021-08-13 | 大连交通大学 | Fresh air system for anti-virus closed space |
| CN113432226A (en) * | 2021-07-27 | 2021-09-24 | 韦氏（苏州）医疗科技有限公司 | New trend clean system is used in hospital |
| CN113432224A (en) * | 2021-07-27 | 2021-09-24 | 韦氏（苏州）医疗科技有限公司 | Vertical clean wind processing apparatus for ward |
| CN114954778A (en) * | 2022-05-27 | 2022-08-30 | 江南造船(集团)有限责任公司 | Ship isolation ward and ventilation debugging method thereof |
| CN115228002A (en) * | 2022-06-07 | 2022-10-25 | 中国船舶集团有限公司系统工程研究院 | Container type biological safety isolation equipment and negative pressure control and airflow organization method thereof |
| CN115682199A (en) * | 2022-10-25 | 2023-02-03 | 军事科学院系统工程研究院卫勤保障技术研究所 | Pressure difference control and ventilation air-conditioning system for isolation cabin |
-
2020
- 2020-06-03 CN CN202021001583.7U patent/CN212720156U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113251507A (en) * | 2021-04-30 | 2021-08-13 | 大连交通大学 | Fresh air system for anti-virus closed space |
| CN113432226A (en) * | 2021-07-27 | 2021-09-24 | 韦氏（苏州）医疗科技有限公司 | New trend clean system is used in hospital |
| CN113432224A (en) * | 2021-07-27 | 2021-09-24 | 韦氏（苏州）医疗科技有限公司 | Vertical clean wind processing apparatus for ward |
| CN114954778A (en) * | 2022-05-27 | 2022-08-30 | 江南造船(集团)有限责任公司 | Ship isolation ward and ventilation debugging method thereof |
| CN115228002A (en) * | 2022-06-07 | 2022-10-25 | 中国船舶集团有限公司系统工程研究院 | Container type biological safety isolation equipment and negative pressure control and airflow organization method thereof |
| CN115682199A (en) * | 2022-10-25 | 2023-02-03 | 军事科学院系统工程研究院卫勤保障技术研究所 | Pressure difference control and ventilation air-conditioning system for isolation cabin |
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