CN113685906A - Air conditioning system capable of being rapidly converted - Google Patents
Air conditioning system capable of being rapidly converted Download PDFInfo
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- CN113685906A CN113685906A CN202110877880.0A CN202110877880A CN113685906A CN 113685906 A CN113685906 A CN 113685906A CN 202110877880 A CN202110877880 A CN 202110877880A CN 113685906 A CN113685906 A CN 113685906A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
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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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Abstract
The invention provides an air conditioning system capable of realizing rapid conversion, wherein a ward area is divided into a clean area, a semi-polluted area and a polluted area, the air conditioning system comprises an indoor circulating air conditioning tail end, a first fresh air system, a second fresh air system and a third fresh air system, the clean area, the semi-polluted area and the polluted area are respectively provided with the indoor circulating air conditioning tail end, the first fresh air system, the second fresh air system and the third fresh air system are respectively arranged in the clean area, the semi-polluted area and the polluted area, and the second fresh air system and the third fresh air system are communicated through a communication pipeline; at ordinary times, the tail ends of the indoor circulating air conditioners are all started, the first fresh air system is started, any one of the second fresh air system and the third fresh air system is started, and the communication pipeline is communicated; in an epidemic situation, the tail ends of the indoor circulating air conditioners are all stopped, the first fresh air system, the second fresh air system and the third fresh air system are started simultaneously, and the communicating pipelines are disconnected. Through reasonable division of the air conditioning system and switching of the communication pipelines, the rapid switching of the air conditioning system is realized.
Description
Technical Field
The invention relates to the technical field of air conditioning systems, in particular to an air conditioning system capable of being quickly converted.
Background
At present, negative pressure isolation wards in China and even the world are quite limited, and areas which do not have negative pressure wards meeting the requirements of standard specifications are less. The emergency epidemic situation is dealt with, the infectious ward is temporarily built or reconstructed in the existing building, the difficulty is high, the cost is high, the resource waste is serious, and various incomplete problems exist in the emergency state due to the inevitable passive coping.
How to establish the air conditioning system capable of being switched quickly has important strategic significance on prevention and control.
Disclosure of Invention
The invention aims to provide an air conditioning system capable of being rapidly converted, which can be operated as a common ward at ordinary times, meets the requirements of low energy consumption in the common ward, can be converted into a negative pressure isolation ward disease area in a short time when an epidemic situation is outbreak, and meets the process requirements of a negative pressure ward.
In order to achieve the above object, the present invention provides an air conditioning system capable of fast switching, wherein a ward is divided into a clean area, a semi-polluted area and a polluted area, the air conditioning system comprises an indoor circulating air conditioning terminal, a first fresh air system, a second fresh air system and a third fresh air system, the clean area, the semi-polluted area and the polluted area are respectively provided with the indoor circulating air conditioning terminal, the first fresh air system, the second fresh air system and the third fresh air system are respectively arranged in the clean area, the semi-polluted area and the polluted area, and the second fresh air system and the third fresh air system are communicated through a communication pipeline;
at ordinary times, the tail ends of the indoor circulating air conditioners in the cleaning area, the semi-pollution area and the pollution area are all started, the first fresh air system is started, any one of the second fresh air system and the third fresh air system is started, and the communication pipeline is communicated;
in an epidemic situation, the tail ends of the indoor circulating air conditioners in the cleaning area, the semi-pollution area and the pollution area are all stopped, the first fresh air system, the second fresh air system and the third fresh air system are started at the same time, and the communication pipeline is disconnected.
Optionally, the pollution area includes a ward pollution area and a walkway pollution area, the ward pollution area and the walkway pollution area are both provided with the indoor circulating air conditioner terminal and the third fresh air system.
Optionally, the first fresh air system, the second fresh air system and the third fresh air system all include fresh air handling units and exhaust fan units, the fresh air handling units of different fresh air systems are mutually independent, the exhaust fan units of different fresh air systems are mutually independent, and the fresh air handling unit of the second fresh air system is communicated with the fresh air handling unit of the third fresh air system through the communication pipeline.
Optionally, an electric sealing valve for controlling the connection and disconnection of the communication pipeline is arranged on the communication pipeline.
Optionally, the exhaust fan group includes two parallel operation's frequency conversion exhaust fan, at ordinary times, arbitrary exhaust fan in the exhaust fan group moves, when the epidemic situation, two exhaust fans of exhaust fan group move simultaneously.
Optionally, the fans in the fresh air handling unit and the exhaust fan handling unit are both set in a variable frequency mode.
Optionally, the operation frequency of the fresh air handling unit is adapted to the operation frequency of the exhaust air handling unit.
Optionally, the air conditioning system capable of fast switching further includes a zero-leakage efficient air exhaust device disposed at the lower air outlet of the ward and the air outlet of the toilet, and in case of an epidemic, indoor air is exhausted into the main exhaust duct by the zero-leakage efficient air exhaust device through the end-sealed fan and then exhausted by the exhaust unit on the roof.
Optionally, the second fresh air system and the third fresh air system both adopt direct-flow type fresh air systems.
Optionally, the tail end of the indoor circulating air conditioner is a fan coil or a multi-connected indoor unit, the tail end of the indoor circulating air conditioner is covered by a closed cover when not in use, and an air supply outlet and an air return inlet at the tail end of the indoor circulating air conditioner are closed to ensure an indoor closed environment.
In the air conditioning system capable of being rapidly converted, measures such as reasonably dividing the air conditioning system, switching the communicating pipeline and the like are taken, so that the air conditioning system can be operated as a common ward at ordinary times, low energy consumption in the common ward is met, and the air conditioning system can be converted into a negative pressure isolation ward area in a short time when an epidemic situation is developed, so that the technological requirements of a negative pressure ward are met, and the defects of the original negative pressure isolation ward in each area are overcome.
Drawings
FIG. 1 is a schematic diagram of a fast switching air conditioning system according to an embodiment of the present invention;
in the drawings:
10-indoor circulating air conditioner terminal; 21-a first fresh air unit; 22-a second fresh air handling unit; 23-a third fresh air handling unit; 24-a fourth fresh air unit; 31-a first exhaust fan group; 32-a second exhaust fan set; 33-a third exhaust fan group; 34-a fourth exhaust fan group; 40-a communication line; 50-a closed valve; 60-zero leakage high-efficiency air exhaust device; 70-end closed fan;
a-a cleaning zone; b-a semi-polluted area; c-ward contamination area; d-passage pollution area.
Detailed Description
The core idea of the invention is to provide an air conditioning system capable of being rapidly converted, wherein a ward area is divided into a clean area, a semi-polluted area and a polluted area, the air conditioning system capable of being rapidly converted comprises an indoor circulating air conditioning terminal, a first fresh air system, a second fresh air system and a third fresh air system, the clean area, the semi-polluted area and the polluted area are respectively provided with the indoor circulating air conditioning terminal, the first fresh air system, the second fresh air system and the third fresh air system are respectively arranged in the clean area, the semi-polluted area and the polluted area, and the second fresh air system and the third fresh air system are communicated through a communication pipeline;
at ordinary times, the tail ends of the indoor circulating air conditioners in the cleaning area, the semi-pollution area and the pollution area are all started, the first fresh air system is started, any one of the second fresh air system and the third fresh air system is started, and the communication pipeline is communicated;
in an epidemic situation, the tail ends of the indoor circulating air conditioners in the cleaning area, the semi-pollution area and the pollution area are all stopped, the first fresh air system, the second fresh air system and the third fresh air system are started at the same time, and the communication pipeline is disconnected.
Through the measures of reasonably dividing an air conditioning system, switching a communicating pipeline and the like, the air conditioner can be operated as a common ward at ordinary times, low energy consumption in the common ward is met, and when epidemic situations occur, the air conditioner can be converted into a negative pressure isolation ward area in a short time, so that the process requirements of the negative pressure ward are met, and the defects of the original negative pressure isolation ward in each area are overcome.
To further clarify the objects, advantages and features of the present invention, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. It is to be noted that the drawings are in greatly simplified form and are not to scale, but are merely intended to facilitate and clarify the explanation of the embodiments of the present invention. Further, the structures illustrated in the drawings are often part of actual structures. In particular, the drawings may have different emphasis points and may sometimes be scaled differently.
As used in this application, the singular forms "a," "an," and "the" include plural referents unless the content clearly dictates otherwise. As used in this disclosure, the term "or" is generally employed in its sense including "and/or" unless the content clearly dictates otherwise. As used in this disclosure, the term "plurality" is generally employed in its sense including "at least one" unless the content clearly dictates otherwise. As used in this disclosure, the term "at least two" is generally employed in a sense including "two or more" unless the content clearly dictates otherwise. Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or at least two of the features.
Referring to fig. 1, fig. 1 is a schematic view of an air conditioning system capable of fast conversion according to an embodiment of the present invention, which is configured to divide a ward into a clean area a, a semi-polluted area B and a polluted area, and includes an indoor circulating air conditioning terminal 10, a first fresh air system, a second fresh air system and a third fresh air system, where the clean area a, the semi-polluted area B and the polluted area are respectively provided with the indoor circulating air conditioning terminal 10, the first fresh air system, the second fresh air system and the third fresh air system are respectively arranged in the clean area a, the semi-polluted area B and the polluted area, and the second fresh air system and the third fresh air system are communicated through a communication pipeline 40;
at ordinary times, the clean area a, the semi-polluted area B and the indoor circulating air conditioner tail end 10 of the polluted area are all started, the first fresh air system is started, any one of the second fresh air system and the third fresh air system is started, and the communication pipeline 40 is communicated;
in an epidemic situation, the clean area A, the semi-polluted area B and the indoor circulating air conditioner tail end 10 of the polluted area are all stopped, the first fresh air system, the second fresh air system and the third fresh air system are started simultaneously, and the communication pipeline 40 is disconnected.
Specifically, the precondition set by the air conditioning system capable of being quickly switched is as follows: the air conditioning system is suitable for newly-built relevant hospital wards with the purpose of epidemic prevention conversion strategy, and is designed and constructed according to the process requirements of negative pressure isolation wards, the building needs to be arranged on a plane according to the form of two passages of a three-area standard isolation ward, and the building is internally installed according to the tightness requirements of the standard isolation ward.
Further, the contaminated area includes ward contaminated area C and pavement contaminated area D, ward contaminated area C reaches pavement contaminated area D all is provided with the terminal 10 of indoor circulation air conditioner reaches third new trend system, just ward contaminated area C's third new trend system with pavement contaminated area D's third new trend system is independent each other.
Furthermore, the first fresh air system, the second fresh air system and the third fresh air system respectively comprise a fresh air unit and an exhaust fan unit, the fresh air units of different fresh air systems are mutually independent, the exhaust fan units of different fresh air systems are mutually independent, and the fresh air unit of the second fresh air system is communicated with the fresh air unit of the third fresh air system through the communication pipeline 40. In this embodiment, the fresh air handling unit and the exhaust air handling unit of the ward pollution area C and the fresh air handling unit and the exhaust air handling unit of the walkway pollution area D are independent of each other and are respectively communicated through the communication pipeline 40. In this embodiment, please refer to fig. 1, the first fresh air system includes a first fresh air unit 21 and a first exhaust unit 31, the second fresh air system includes a second fresh air unit 22 and a second exhaust unit 32, the third fresh air system of the ward pollution area C includes a third fresh air unit 23 and a third exhaust unit 33, the third fresh air system of the walkway pollution area D includes a fourth fresh air unit 24 and a fourth exhaust unit 34, the second fresh air unit 22, the third fresh air unit 23 and the fourth fresh air unit 24 are communicated with each other through the communication pipeline 40, and only one of the fresh air units needs to be started as a fresh air supply system of the whole ward area at ordinary times.
The communication pipeline 40 is provided with an electric sealing valve 50 for controlling the connection and disconnection of the communication pipeline 40. Because at ordinary times, the fresh air volume and the exhaust air volume of the air conditioning system are only 30% -40% of the total fresh air volume in case of an epidemic situation, through reasonable division of the fresh air system and the exhaust air system, a certain fresh air system of a semi-polluted and polluted area in case of an epidemic situation can be used as a fresh air supply system of the whole disease area at ordinary times, and the fresh air system is opened and closed through the communication pipeline 40 and the electric airtight valve 50, so that epidemic-levelling conversion of the whole air conditioning system is realized.
Preferably, the exhaust fan unit includes two parallel operation's variable frequency exhaust fan, at ordinary times, arbitrary exhaust fan in the exhaust fan unit operation can, when the epidemic situation, two exhaust fans of exhaust fan unit move simultaneously. The exhaust volume of the exhaust fan unit corresponds to the discharge volume of the fresh air unit, and the fresh air and the exhaust demand are small at ordinary times, so that only one exhaust fan is needed to operate. Of course, this application is right the quantity of exhaust fan in the exhaust unit does not make the restriction, can select according to the demand of fresh air volume.
Fans in the fresh air unit and the exhaust fan unit are both in variable frequency setting. In this embodiment, the new fan unit reaches the fan in the exhaust unit is the variable frequency fan to satisfy the demand of the different amount of wind in at ordinary times and epidemic situation period, reduce air conditioning system's energy consumption simultaneously.
Preferably, the operation frequency of the fresh air handling unit is adapted to the operation frequency of the exhaust fan handling unit, that is, when the fresh air handling unit operates in a variable frequency mode, the exhaust fan handling unit also operates in a linked variable frequency mode, and the requirement of indoor air supply and exhaust balance is met.
In addition, it should be noted that, in the air conditioning system capable of fast switching provided by this embodiment, the matching problem of the blower fan of the air blower is not necessarily realized by frequency conversion, but may also be realized by generating different air volumes by different combinations of rooms in the system. And the fan used at ordinary times can select the fan with the closest parameters as the main fan and is realized by the communication pipeline 40 and the switching electric sealed valve 50.
In this embodiment, the air conditioning system capable of fast switching further includes a zero-leakage efficient air exhaust device 60 disposed at the lower air exhaust port of the ward and the air exhaust port of the toilet, and in case of an epidemic, indoor air is exhausted into the main exhaust duct by the zero-leakage efficient air exhaust device 60 through the end-sealed fan 70 and then exhausted by the exhaust unit on the roof. The end-sealing blower 70 is primarily used to provide continuous exhaust power to ensure isolation of the negative pressure environment in the patient room. The ward exhaust system closes the end airtight fan 70 and the end airtight fan 70 inlet airtight valve 50 by opening the airtight valve 50 arranged on the ward bypass exhaust pipe at ordinary times, so that the ward exhaust is discharged into the main exhaust pipeline only through the toilet exhaust outlet and then is discharged through the roof single fan. The ward floor type efficient filtering device and the air exhaust vertical pipe are detached, the vertical pipe is detached to the ceiling, and the sealing plate is installed at the ceiling. The high-efficiency filtering air outlets at the top of the room are replaced by common air outlets, and sealing plates can be additionally installed around the common air outlets because the size of the common air outlets is smaller than that of the high-efficiency filtering device.
The indoor circulating air conditioner comprises an indoor circulating air conditioner terminal 10 installed in a room, such as a fan coil or a multi-connected indoor unit and the like, when the indoor circulating air conditioner terminal 10 is not used, the indoor circulating air conditioner terminal can be covered by a closed cover, and air feeding and air returning ports of the indoor circulating air conditioner terminal 10 are required to be closed, so that an indoor closed environment is guaranteed. The indoor circulating air conditioner tail end 10 needs to be started at ordinary times, a sealing plate at an air inlet of the indoor circulating air conditioner tail end 10 is removed, and a conventional air supply outlet (air diffuser) and an air return opening meeting the requirement of comprehensive hospital building design specification GB51039 are installed.
Preferably, the second fresh air system and the third fresh air system both adopt direct-flow type fresh air systems. By adopting the direct-flow type fresh air system, negative pressure control can be realized in each region in epidemic situations, and the technological requirements of the isolated disease region on pressure gradients are met.
In this embodiment, the indoor circulating air conditioner terminals 10 are fan coils or multi-split indoor units, and the indoor circulating air conditioner terminals 10 are independent from each other.
Next, taking a certain hospital in the sea city as an example, the air conditioning system capable of fast switching is introduced through a specific embodiment, and the hospital is usually used as a regional community health service center, and needs to be fast switched into an isolated ward capable of receiving confirmed cases of respiratory infectious diseases in epidemic situations, as exemplified by a complete ward in a project standard.
The standard negative pressure isolation three-area two-channel ward area is required to strictly meet the requirements of infectious disease hospital building design specification GB50849 and Hospital negative pressure isolation ward environment control requirement GB-T35428, a fresh air system is required to be independently arranged in a semi-polluted area B and a polluted area respectively, and the times of fresh air conditioning and air exhaust and ventilation are large;
the clean area is a conventional air conditioning system, an indoor circulating air conditioning terminal 10 (a fan coil, a multi-connected indoor unit and the like) is provided with a fresh air system, and the fresh air system normally operates at ordinary times and in epidemic situations.
An independent direct-flow type fresh air system (10 times/h) is arranged in the semi-polluted area, and a fan is arranged in a frequency conversion mode;
an independent direct-flow type fresh air system (10 times/h) is arranged in a ward pollution area, and a fan is arranged in a frequency conversion mode;
an independent direct-flow type fresh air system (10 times/h) is arranged in a walkway pollution area, and a fan is arranged in a frequency conversion mode.
The semi-polluted area and the polluted area in epidemic situations are taken into consideration of an air conditioning system as a whole ward area at ordinary times, and a conventional air conditioning system is arranged, such as an indoor circulating air conditioning terminal (a fan coil, a multi-connected indoor unit and the like) and a fresh air system. The fresh air volume of the ward at ordinary times only needs to meet the requirements of 'comprehensive hospital building design Specification' GB51039-2014, and the average number of people is 40m3The air pipe switching mode can be used for supplying fresh air for 1 fresh air unit when the epidemic situation is adopted, and the fresh air supply of the whole disease area can be met through proper frequency conversion control.
The air exhaust system is divided into two types, namely, the air exhaust system is in one-to-one correspondence with the fresh air system, the air exhaust system in the semi-pollution area and the pollution area is provided with double fans which are connected in parallel (each fan is connected for 6 times/h), the fans are arranged in a variable frequency mode, only one fan can operate at ordinary times, the air exhaust pipe system is opened and closed through a communicating air pipe and an electric sealing valve through variable frequency control of the fans, fresh air and exhaust air quantity are balanced during balance matching, and epidemic balance conversion of the air exhaust system is achieved.
Specifically, the half-pollution in epidemic situation, the corresponding relationship between the pollution area and the ordinary hospitalization area, and the division and form of the air conditioning system are as follows:
TABLE 1
In table 1, the clean area air conditioning systems, which are auxiliary office area air conditioning systems at ordinary times, are conventional air conditioning systems and are not switched.
TABLE 2
As shown in Table 2, the fresh air system is matched with the ordinary fresh air system in case of epidemic situation in the example project example, and the fresh air volume of the semi-polluted area, the polluted area in the ward and the polluted area in the walkway is 3840m respectively when the epidemic situation is seen from Table 23/ h,1950m3/h,3600m3And (h) after the three areas are combined with the air conditioning system at ordinary times, the fresh air requirement of the ward 1440m3The fresh air demand of other walkways and auxiliary rooms is 1488m3The total fresh air requirement is 2928m3/h。
In this embodiment, the indoor circulation air conditioner end in the room, if fan coil (many online indoor units, split type air conditioner), does not use during the epidemic situation, and it is sealed with the decoration panel to send back the wind gap, changes sealing plate material into corresponding send, return air inlet at ordinary times.
Based on the above, the application also provides a tie epidemic conversion process of the air conditioning system, which specifically comprises the following steps:
precondition: the system is suitable for newly-built relevant hospital wards with the purpose of epidemic prevention conversion strategy, and is designed and constructed according to the process requirements of negative pressure isolation wards, the building needs to be arranged on a plane according to the form of two passages in three areas of a standard isolation ward, and the building is internally installed according to the tightness requirements of the standard isolation ward.
Designing an air conditioning system: the air conditioning system is divided according to the epidemic situation, and the air volume of the system needs to be compared and matched according to the epidemic situation and the ordinary air volume, so that the new air exhaust system and the exhaust system can meet the working condition of the ordinary epidemic situation at the same time through switching and variable frequency operation; configuring related new and exhaust fan sets, and when arranging air pipes of new and exhaust systems, the related communicated switching air pipes and electric sealing valves need to be arranged in place; reserving an installation position of a high-efficiency exhaust device in a room (a high-efficiency lower exhaust port position is also required to be reserved in a ward); the tail end of the indoor circulating air conditioner is installed in place; the room differential pressure control system is installed in place.
After the system is installed and put into use, if the epidemic situation is required to be converted, the air-conditioning system is switched:
1) removing common air outlets of the semi-polluted area and the polluted area, and replacing a zero-leakage efficient air exhaust device;
2) the tail end (fan coil, indoor unit multi-split air conditioner and the like) of the indoor circulating air conditioner of the room is returned to the air inlet to be disassembled, and a sealing plate is adopted for sealing installation;
3) installing a zero-leakage efficient exhaust device at the lower part of a reserved position of a ward;
4) after the fresh air system is disinfected and cleaned, the corresponding switching airtight valve is opened and closed, so that the fresh air unit strictly operates independently according to a semi-polluted area and a polluted area, and the fan is matched with the air quantity in a variable frequency mode;
5) after the air exhaust system is disinfected and cleaned, the corresponding switching airtight valve is opened and closed, the parallel fan is opened, so that the exhaust fan set corresponding to the fresh air system strictly operates independently according to a semi-polluted area and a polluted area, and the fan is matched with air quantity in a variable frequency mode;
6) the room pressure difference control system is started, and the air supply and exhaust system is debugged, so that the system can be put into use after the relevant process requirements (temperature, humidity, pressure gradient and the like) of the air conditioner in the isolated ward are met.
The tie epidemic transformation air conditioning system provided by the embodiment is an air conditioning system which can be put into use and meets the process requirements of an isolation ward through a small amount of construction installation and debugging (about one week) at the initial stage of epidemic situation outbreak, is used at ordinary times, improves the utilization rate of a ward area, and reduces the energy consumption of the air conditioning system.
To sum up, the embodiment of the present invention provides an air conditioning system capable of fast switching, which divides a ward into a clean area, a semi-polluted area and a polluted area, and comprises: the first air conditioning system comprises an indoor circulating air conditioning tail end arranged in the cleaning area and a first fresh air system; the second air-conditioning system comprises an indoor circulating air-conditioning end, a second fresh air system and a third fresh air system, wherein the indoor circulating air-conditioning end is arranged in the semi-pollution area and the pollution area, the second fresh air system is arranged in the semi-pollution area, the third fresh air system is arranged in the pollution area, and the second fresh air system and the third fresh air system are communicated through a communication pipeline; at ordinary times, the tail end of the indoor circulating air conditioner and the tail end of the indoor circulating air conditioner are started, the first fresh air system is started, any one of the second fresh air system and the third fresh air system is started, and the communication pipeline is communicated; when the epidemic situation exists, the indoor circulating air conditioner is at the tail end and the tail end of the indoor circulating air conditioner is all stopped, the first fresh air system, the second fresh air system and the third fresh air system are started at the same time, and the communication pipeline is disconnected. Through the measures of reasonably dividing an air conditioning system, switching a communicating pipeline and the like, the air conditioner can be operated as a common ward at ordinary times, low energy consumption in the common ward is met, and when epidemic situations occur, the air conditioner can be converted into a negative pressure isolation ward area in a short time, so that the process requirements of the negative pressure ward are met, and the defects of the original negative pressure isolation ward in each area are overcome.
The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any way. It will be understood by those skilled in the art that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. An air conditioning system capable of realizing rapid conversion divides a ward area into a clean area, a semi-polluted area and a polluted area, and is characterized by comprising an indoor circulating air conditioning terminal, a first fresh air system, a second fresh air system and a third fresh air system, wherein the clean area, the semi-polluted area and the polluted area are respectively provided with the indoor circulating air conditioning terminal, the first fresh air system, the second fresh air system and the third fresh air system are respectively arranged in the clean area, the semi-polluted area and the polluted area, and the second fresh air system and the third fresh air system are communicated through a communication pipeline;
at ordinary times, the tail ends of the indoor circulating air conditioners in the cleaning area, the semi-pollution area and the pollution area are all started, the first fresh air system is started, any one of the second fresh air system and the third fresh air system is started, and the communication pipeline is communicated;
in an epidemic situation, the tail ends of the indoor circulating air conditioners in the cleaning area, the semi-pollution area and the pollution area are all stopped, the first fresh air system, the second fresh air system and the third fresh air system are started at the same time, and the communication pipeline is disconnected.
2. The air conditioning system of claim 1, wherein the contamination area comprises a ward contamination area and a walkway contamination area, the ward contamination area and the walkway contamination area are both provided with the indoor circulating air conditioning terminal and the third fresh air system, and the ward contamination area and the third fresh air system of the walkway contamination area are independent of each other.
3. The air conditioning system as claimed in claim 1 or 2, wherein the first fresh air system, the second fresh air system and the third fresh air system each comprise a fresh air handling unit and an exhaust air handling unit, the fresh air handling units of different fresh air systems are independent of each other, the exhaust air handling units of different fresh air systems are independent of each other, and the fresh air handling unit of the second fresh air system is communicated with the fresh air handling unit of the third fresh air system through the communication pipeline.
4. A rapid-switching air conditioning system according to claim 3, wherein an electric closing valve for controlling the connection and disconnection of the connection pipeline is provided on the connection pipeline.
5. The air conditioning system of claim 3, wherein the exhaust fan set comprises two exhaust fans operating in parallel, wherein at ordinary times, any one of the exhaust fans operates, and at epidemic situations, the two exhaust fans of the exhaust fan set operate simultaneously.
6. The air conditioning system of claim 3, wherein the fans of the fresh air unit and the exhaust air unit are both in variable frequency setting.
7. A rapid-switching air conditioning system as set forth in claim 6, wherein the operating frequency of said fresh air handling unit is adapted to the operating frequency of said exhaust air handling unit.
8. The fast-switching air conditioning system according to claim 3, further comprising a zero-leakage efficient air exhaust device disposed at the lower air exhaust port of the ward and the air exhaust port of the toilet, wherein in case of an epidemic, the indoor air is exhausted from the zero-leakage efficient air exhaust device into the main exhaust duct through the end-sealed fan and then exhausted from the roof-mounted exhaust unit.
9. The fast-switching air conditioning system according to claim 1 or 2, wherein the second fresh air system and the third fresh air system are direct-flow fresh air systems.
10. The air conditioning system capable of being rapidly switched according to claim 1, wherein the indoor circulating air conditioner is terminated by a fan coil or a multi-connected indoor unit, and the indoor circulating air conditioner is covered by a sealing cover when not in use, and a supply air outlet and a return air inlet of the indoor circulating air conditioner are sealed to ensure an indoor sealed environment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110877880.0A CN113685906A (en) | 2021-07-29 | 2021-07-29 | Air conditioning system capable of being rapidly converted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110877880.0A CN113685906A (en) | 2021-07-29 | 2021-07-29 | Air conditioning system capable of being rapidly converted |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114220527A (en) * | 2021-12-16 | 2022-03-22 | 陈智豪 | Intelligent management platform of respiratory infectious disease building |
| CN114251766A (en) * | 2021-12-30 | 2022-03-29 | 郑州大学综合设计研究院有限公司 | Intelligent fresh air system suitable for hospital and control method |
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2021
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114220527A (en) * | 2021-12-16 | 2022-03-22 | 陈智豪 | Intelligent management platform of respiratory infectious disease building |
| CN114251766A (en) * | 2021-12-30 | 2022-03-29 | 郑州大学综合设计研究院有限公司 | Intelligent fresh air system suitable for hospital and control method |
| CN114251766B (en) * | 2021-12-30 | 2024-01-30 | 郑州大学综合设计研究院有限公司 | Intelligent fresh air system suitable for hospitals and control method |
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