CN215446711U - Ward air conditioning system capable of automatically switching operation modes according to ward conditions - Google Patents
Ward air conditioning system capable of automatically switching operation modes according to ward conditions Download PDFInfo
- Publication number
- CN215446711U CN215446711U CN202121799753.5U CN202121799753U CN215446711U CN 215446711 U CN215446711 U CN 215446711U CN 202121799753 U CN202121799753 U CN 202121799753U CN 215446711 U CN215446711 U CN 215446711U
- Authority
- CN
- China
- Prior art keywords
- ward
- air
- air conditioner
- exhaust fan
- conditioning system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Ventilation (AREA)
Abstract
The utility model relates to the technical field of hospitals, clinics or similar buildings, and discloses a ward air conditioning system capable of automatically switching operation modes according to ward conditions, which comprises a fresh air conditioner and an exhaust fan, wherein the fresh air conditioner is respectively communicated with each ward partition through an air conditioning branch pipe, and the exhaust fan is respectively communicated with each ward partition through an exhaust branch pipe; the fresh air conditioner and the exhaust fan are provided with filters for filtering pathogens in the air, and the filters of the fresh air conditioner are detachable; the ward air conditioning system comprises a plurality of exhaust fans, wherein each exhaust fan comprises an exhaust fan which is only communicated with the toilet; automatic valves are respectively arranged on the air conditioner branch pipes and the air exhaust branch pipes, and the fresh air conditioners, the exhaust fans and the automatic valves are respectively and electrically connected with an automatic control system. The utility model realizes the automatic control of the whole air conditioning system to start and stop or switch different operation modes according to the set program, can close all devices which are not needed by the conventional ward, and ensures the comfort of the ward by adjusting the pipeline layout and reducing the noise.
Description
Technical Field
The utility model relates to the technical field of hospitals, clinics or similar buildings, in particular to a ward air conditioning system capable of automatically switching operation modes according to ward conditions.
Background
The negative pressure infectious ward is a special ward developed based on the experience of treating air-borne diseases in the past, and air with pathogens is prevented from flowing out of the ward by pumping the ward into negative pressure, so that an infection source is isolated. The two passages for the entrance and exit of the negative pressure infectious ward are respectively a medical care passage for the entrance and exit of medical staff and a patient passage for the entrance and exit of a patient; meanwhile, a buffer room is arranged between the medical care passage and the negative pressure infectious ward, the buffer room is used for buffering air pressure and sterilizing, and food and medicines enter the negative pressure infectious ward through the interlocking self-cleaning delivery window.
The air conditioning system for negative pressure ward includes fresh air conditioner and exhaust fan for pumping ward into negative pressure state, and between different ward partitions a certain pressure difference must be maintained so as to make the air containing pathogen flow in one direction. The fresh air conditioner in the negative pressure ward is provided with a filtering system with large pressure drop, and the exhaust fan also has large energy consumption, so the energy consumption of the air conditioning system in the negative pressure ward is large.
In the urban construction process, the ordinary ward and the infectious ward are built according to a certain proportion, which brings two problems, firstly, the air conditioning system needs to be closed after the infectious patient is discharged from the hospital in the negative pressure ward, the air conditioning system needs to be opened after the infectious patient is admitted, and in order to avoid the escape of air with pathogens in the opening and closing process, the starting of each device needs to follow a certain sequence; secondly, when the number of infectious patients is small at ordinary times, a large number of negative pressure wards are idle, the patients also need to stay in the ordinary wards when the wards are tense, and the air conditioning system of the wards is needed to close the useless negative pressure part and the filtering part under the condition, and the patients need to return when the patients need to stay in the infectious diseases. The current negative pressure ward air conditioning system works in the two aspects, is carried out by manpower, needs additional training and is easy to make mistakes.
In addition, the difference between the existing negative pressure ward and the ordinary ward is large, the protection effect of the ordinary ward is poor, and the comfort and economy of the negative pressure ward are poor. There is a trend in the industry to construct a ward that combines the advantages of both wards and switch to one of the wards with minor modifications when needed. However, if the current negative pressure ward air conditioning system is used in a conventional ward mode, the noise is large, the layout of rooms is affected by pipelines, and devices which are not needed in the conventional ward cannot be completely closed, so that the requirements of the ward cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model provides a ward air conditioning system capable of automatically switching operation modes according to ward conditions.
The technical problem to be solved is that: when an air conditioning system of the current negative pressure ward is started and stopped and enters different patients, different equipment is started and stopped in sequence by manpower, additional training is needed, and errors are easy to occur; meanwhile, the current negative pressure ward air conditioning system cannot meet the requirements of the conventional ward during operation.
In order to solve the technical problems, the utility model adopts the following technical scheme: a ward air conditioning system capable of automatically switching operation modes according to ward conditions is disclosed, wherein a ward comprises a patient activity room, and a toilet, a medical care channel and a patient channel which are respectively communicated with the patient activity room; the medical care channel is communicated with the patient activity room through the buffer room, and the patient activity room, the toilet, the medical care channel, the buffer room and the patient channel are collectively called ward subareas; the ward air conditioning system comprises fresh air conditioners which are respectively communicated with the ward partitions through air conditioner branch pipes and exhaust fans which are respectively communicated with the ward partitions through exhaust branch pipes;
the fresh air conditioner and the exhaust fan are provided with filters for filtering pathogens in the air, and the filters of the fresh air conditioner are detachable;
the ward air conditioning system comprises a plurality of exhaust fans, wherein each exhaust fan comprises an exhaust fan which is communicated with the toilet and is marked as a normally open exhaust fan;
automatic valves are respectively arranged on the air conditioner branch pipes and the air exhaust branch pipes, and the fresh air conditioner, the exhaust fan and the automatic valves are respectively and electrically connected with an automatic control system.
Furthermore, the filters of the fresh air conditioner and the exhaust fan comprise a coarse filter, a medium filter and a high-efficiency filter; all filters of the fresh air conditioner are arranged in an air conditioner external unit, and the high-efficiency filters are detachable; the exhaust fan is arranged at the air outlet of the ward, the coarse filter and the medium filter are arranged in the body of the exhaust fan, and the high-efficiency filter of the exhaust fan is respectively arranged at the opening of one end of each air exhaust branch pipe in the ward.
Furthermore, each filter is provided with a differential pressure sensor for detecting the differential pressure between the front and the back of the filter, a differential pressure sensor for detecting the differential pressure between two adjacent and communicated ward subareas is arranged between the two ward subareas, and each differential pressure sensor is respectively and electrically connected with an automatic control system.
Furthermore, each air conditioner branch pipe and the air exhaust branch pipe are respectively provided with a manual valve adjacent to the automatic valve on the branch pipe
Furthermore, the air diffuser that the one end that air conditioner branch pipe is located the ward was set up near the ward roof has, the one end that the branch pipe of bleeding is located the ward has the tripe wind gap that is close to the ward floor and sets up.
Furthermore, the louver air opening of the air exhaust branch pipe of the patient activity room is arranged at the bottom of the bedside cabinet of the sickbed, and replaces the door of a cabinet lattice which is far away from the sickbed at the bottom of the bedside cabinet.
Furthermore, in the ward air conditioning system, a pipeline silencer is arranged on a pipeline communicated with the ward, and a part with a motor is provided with a shock absorber and a shock absorption base.
Furthermore, the medical care passage and the buffer room are marked as a semi-pollution subarea, other ward subareas are marked as pollution subareas, the same fresh air conditioner is only led to one of the semi-pollution subareas or the pollution subareas, and the same exhaust fan is only led to one of the semi-pollution subareas or the pollution subareas.
Furthermore, the fresh air conditioner is a variable frequency air conditioner, and the exhaust fan is a variable frequency fan.
Compared with the prior art, the ward air conditioning system capable of automatically switching the operation modes according to the ward conditions has the following beneficial effects:
according to the utility model, a series of automatic valves and sensors are arranged, and an automatic control system is adopted to control the starting and stopping of each valve and each device, so that the starting and stopping of the whole air conditioning system according to a set program or the switching of different operation modes are automatically controlled, and the problems of extra training and easy error caused by manual switching of different modes are solved;
in the utility model, the equipment which needs to be kept running in the conventional mode is separated from the whole air conditioning system, and the equipment of the semi-pollution subarea and the equipment of the pollution subarea are mutually separated, so that when the equipment is switched to run in the conventional ward mode, all the equipment which is not needed in the conventional ward can be closed, and the equipment can be conveniently cleaned after the switching; through setting up a series of equipment of making an uproar that fall to and fuse the pipeline that gets into patient activity room and the furniture in the ward, avoid it to influence the overall arrangement in ward, thereby ensured the travelling comfort in ward.
Drawings
FIG. 1 is a schematic diagram of a ward air conditioning system capable of automatically switching operation modes according to ward conditions;
wherein, the medical nursing system comprises 11-a fresh air conditioner, 12-an air conditioner branch pipe, 21-an exhaust fan, 22-an air exhaust branch pipe, 3-a patient activity room, 4-a toilet, 5-a medical care channel, 6-a buffer room and 7-a patient channel.
Detailed Description
As shown in figure 1, a ward air conditioning system capable of automatically switching operation modes according to ward conditions, a ward comprises a patient activity room 3, and a toilet 4, a medical care channel 5 and a patient channel 7 which are respectively communicated with the patient activity room 3; the medical care passage 5 is communicated with the patient movable room 3 through the buffer room 6, and the patient movable room 3, the toilet 4, the medical care passage 5, the buffer room 6 and the patient passage 7 are collectively called ward subareas; the ward air conditioning system comprises a fresh air conditioner 11 which is respectively communicated with each ward partition through an air conditioner branch pipe 12, and an exhaust fan 21 which is respectively communicated with each ward partition through an exhaust branch pipe 22;
the ward in this embodiment is a ward convertible between a negative pressure ward and a conventional ward, the buffer room 6 under the negative pressure ward is convertible to an entrance of the conventional ward, and the patient passage 7 is convertible to a balcony of the conventional ward.
The fresh air conditioner 11 and the exhaust fan 21 are provided with filters for filtering pathogens in the air, and the filters of the fresh air conditioner 11 can be detached; the filter increases the energy consumption of the apparatus and therefore needs to be removed, and the filter of the exhaust fan 21 does not need to be removed because most of the units of the exhaust fan 21 do not work in the normal mode.
The ward air conditioning system comprises a plurality of exhaust fans 21, wherein each exhaust fan 21 comprises one exhaust fan 21 which is only communicated with the toilet 4 and is marked as a normally open exhaust fan 21; the normally open ventilator 21, as the name implies, is also opened after switching to the normal mode in the ward, to extract air from the toilet 4, preventing the toilet 4 from having a bad smell.
Automatic valves are respectively arranged on the air-conditioning branch pipes 12 and the air-extracting branch pipes 22, and the fresh air conditioners 11, the exhaust fans 21 and the automatic valves are respectively and electrically connected with an automatic control system. The automatic valves are all electrically operated valves.
The automatic control system can be integrated with a control panel of the air conditioner, and a PLC (programmable logic controller), a display screen, corresponding keys and the like are arranged in the control panel of the air conditioner, so that the automatic control system is convenient to adjust and accords with use habits.
The filters of the fresh air conditioner 11 and the exhaust fan 21 respectively comprise a coarse filter, a medium filter and a high-efficiency filter; all filters of the fresh air conditioner 11 are arranged in an air conditioner external unit, and the high-efficiency filters are detachable; the exhaust fan 21 is arranged at the exhaust outlet of the ward, the coarse filter and the medium filter are arranged in the body of the exhaust fan 21, and the high-efficiency filters of the exhaust fan 21 are respectively arranged at the openings of one ends of the exhaust branch pipes 22 in the ward.
The high efficiency filter of the fresh air conditioner 11 performs the main pathogen filtering work, the pressure drop caused by the high efficiency filter is also the largest, while the coarse efficiency filter and the medium efficiency filter perform the function of filtering the suspended particulate matters in the air, and the pressure drop caused by the coarse efficiency filter and the medium efficiency filter is smaller, so that the high efficiency filter does not need to be dismantled after being converted into a common mode.
Each filter is provided with a differential pressure sensor for detecting the differential pressure between the front and the back of the filter, a differential pressure sensor for detecting the differential pressure between two adjacent and communicated ward subareas is arranged between the two ward subareas, and each differential pressure sensor is respectively and electrically connected with an automatic control system.
The function of the pressure difference sensor of the filter is to detect whether the filter is blocked or the accumulation of impurities occurs, and if the pressure drop caused by the blockage or the accumulation of the impurities is obvious, the filter needs to be replaced in time. The pressure difference sensor between adjacent ward partitions is used for ensuring that the pressure difference between the adjacent ward partitions meets the requirement, and the pressure difference sensor between the ward partitions is sensitive enough to detect the pressure difference of a single-digit Pascal, namely the pressure difference is required to reach the level of a micro-pressure difference meter.
Each air-conditioning branch pipe 12 and the air-extracting branch pipe 22 are also provided with manual valves adjacent to the automatic valves on the branch pipes. The manual valve can control the pressure difference and the air inlet flow. Of course, the automatic valve can also control the pressure difference and the air inlet flow rate, but the manual valve has higher reliability and is not easy to lose efficacy, and meanwhile, the pressure difference fluctuation is not easy to occur in the stable operation. Therefore, the automatic valve mainly plays a role of automatic shutoff, and after the pressure difference is adjusted by the manual valve, the automatic valve is not depended on to adjust in a stable operation state. If the automatic valve fails, the manual valve can also be used as a safety.
The end of the air-conditioning branch pipe 12 located in the ward is provided with a diffuser arranged close to the roof of the ward, and the end of the air exhaust branch pipe 22 located in the ward is provided with a louver air opening arranged close to the floor of the ward.
The louver air openings of the air exhaust branch pipes 22 of the patient activity room 3 are arranged at the bottom of the bedside cabinet of the sickbed, and replace the door of a cabinet lattice which is far away from the sickbed at the bottom of the bedside cabinet. The suction manifold 22, which is located in the patient room 3 here, has bulky accessories, which, if arranged directly in the patient room 3, would seriously impair the room layout, making the ward look like a machine room, reducing comfort and being unfavorable for the muting treatment.
In the ward air conditioning system, pipelines communicated with the wards are respectively provided with pipeline silencers, and parts with motors are provided with shock absorbers and shock absorption bases. In addition, the machine room needs to be isolated and silenced, the wall penetrating position of the pipeline needs to be filled with non-combustible sound absorption materials, and the parts of elbows, joints and the like which can generate noise are silenced by adopting silencing equipment such as silencing static pressure boxes and the like.
The medical care passage 5 and the buffer room 6 are marked as a semi-pollution subarea, other ward subareas are marked as pollution subareas, the same fresh air conditioner 11 only leads to one of the two types of ward subareas of the semi-pollution subarea or the pollution subarea, and the same exhaust fan 21 only leads to one of the two types of ward subareas of the semi-pollution subarea or the pollution subarea.
The start-stop sequence of the equipment of the semi-pollution subarea and the pollution subarea is different, and for the pollution subarea: when the air conditioner is started, the exhaust fan 21 is started first, and then the fresh air conditioner 11 is started; when the air conditioner is closed, the fresh air conditioner 11 is closed firstly, and then the exhaust fan 21 is closed; for the clean zone: when the air conditioner is started, the fresh air conditioner 11 is started first, and then the exhaust fan 21 is started; when the air conditioner is closed, the exhaust fan 21 is firstly closed, and then the fresh air conditioner 11 is closed. When the automatic device is arranged, the exhaust fan 21 and the corresponding fresh air conditioner 11 can be linked, and after one is started, the other is started. In addition to this, the requirements for cleaning of the equipment communicating with the two zones are different, where a distinction must be made in order to facilitate the switching.
The fresh air conditioner 11 is a variable frequency air conditioner, and the exhaust fan 21 is a variable frequency fan. For the fresh air conditioner 11, a fan section and an initial-medium effect section of a purifying fresh air unit are provided with a pressure difference switch; the fan section, the primary and intermediate effect section and the high-efficiency air supply outlet of the purification area of the purification circulating unit are provided with differential pressure switches. The air quantity, temperature, humidity and other parameters of the system can be controlled and adjusted by combining control equipment such as a differential pressure switch, an automatic valve and the like.
In this embodiment, two branch suction pipes 22 are connected to the toilet 4, and different branch suction pipes 22 are respectively used in the general ward mode and the negative pressure ward mode, and are not used in a mixed manner. Here, the toilet 4 deodorizing pipe and the toilet 4 air extracting pipe are referred to, respectively.
The utility model relates to a using method of a ward air conditioning system capable of automatically switching operation modes according to ward conditions, which comprises the following steps:
transition to negative pressure ward mode:
installing a high-efficiency filter of the fresh air conditioner 11, and then starting the fresh air conditioner 11; opening all the branch suction pipes 22 except the deodorizing pipes of the toilet 4; all the exhaust fans 21 are started to ensure that the pressure of the toilet is 4-20 Pa, the pressure of the patient activity room is 3-15 Pa, the pressure of the patient channel is 7-10 Pa and the pressure of the medical care channel is 5-5 Pa.
Transition to general ward mode:
after the equipment which is possibly infected with pathogens, such as each filter, an air port, a pipeline and the like, is washed and disinfected, the high-efficiency filter of the fresh air conditioner 11 is removed; the branch suction pipes 22 are closed, only the deodorizing pipes of the toilet 4 are opened, and the exhaust system only keeps the exhaust fan 21 of the toilet 4 open and operates in a normal mode.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (9)
1. A ward air conditioning system capable of automatically switching operation modes according to ward conditions is disclosed, wherein a ward comprises a patient activity room (3), and a toilet (4), a medical care channel (5) and a patient channel (7) which are respectively communicated with the patient activity room (3); the medical care channel (5) is communicated with the patient activity room (3) through a buffer room (6), and the patient activity room (3), the toilet (4), the medical care channel (5), the buffer room (6) and the disease channel (7) are collectively called ward partitions; the method is characterized in that: comprises a fresh air conditioner (11) which is respectively communicated with each ward partition through an air conditioner branch pipe (12), and an exhaust fan (21) which is respectively communicated with each ward partition through an air exhaust branch pipe (22);
the fresh air conditioner (11) and the exhaust fan (21) are provided with filters for filtering pathogens in the air, and the filters of the fresh air conditioner (11) are detachable;
the ward air conditioning system comprises a plurality of exhaust fans (21), wherein each exhaust fan (21) comprises one exhaust fan (21) which is only communicated with the toilet (4) and is marked as a normally open exhaust fan (21);
automatic valves are respectively arranged on the air conditioner branch pipes (12) and the air extraction branch pipes (22), and the fresh air conditioners (11), the exhaust fans (21) and the automatic valves are respectively and electrically connected with an automatic control system.
2. The ward air conditioning system capable of automatically switching the operation mode according to the ward condition as claimed in claim 1, wherein: the filters of the fresh air conditioner (11) and the exhaust fan (21) comprise a coarse filter, a medium filter and a high-efficiency filter; all filters of the fresh air conditioner (11) are arranged in an air conditioner external unit, and the high-efficiency filters are detachable; the exhaust fan (21) is arranged at an exhaust outlet of a ward, the coarse filter and the medium filter are arranged in a machine body of the exhaust fan (21), and the high-efficiency filters of the exhaust fan (21) are respectively arranged at openings of one ends of the exhaust branch pipes (22) which are positioned in the ward.
3. The ward air conditioning system capable of automatically switching the operation mode according to the ward condition as claimed in claim 1, wherein: each filter is provided with a differential pressure sensor for detecting the differential pressure between the front and the back of the filter, a differential pressure sensor for detecting the differential pressure between two adjacent and communicated ward partitions is arranged between the two adjacent ward partitions, and each differential pressure sensor is respectively and electrically connected with an automatic control system.
4. The ward air conditioning system capable of automatically switching the operation mode according to the ward condition as claimed in claim 1, wherein: and each air-conditioning branch pipe (12) and each air-extracting branch pipe (22) are also respectively provided with a manual valve adjacent to the automatic valve on the branch pipe.
5. The ward air conditioning system capable of automatically switching the operation mode according to the ward condition as claimed in claim 1, wherein: one end of the air-conditioning branch pipe (12) located in the ward is provided with an air diffuser arranged close to the roof of the ward, and one end of the air exhaust branch pipe (22) located in the ward is provided with a shutter air opening arranged close to the floor of the ward.
6. The ward air conditioning system capable of automatically switching the operation mode according to the ward condition of claim 5, wherein: the louver air opening of the air exhaust branch pipe (22) of the patient activity room (3) is arranged at the bottom of the bedside cabinet of the sickbed, and replaces the door of a cabinet lattice which is far away from the sickbed at the bottom of the bedside cabinet.
7. The ward air conditioning system capable of automatically switching the operation mode according to the ward condition as claimed in claim 1, wherein: in the ward air conditioning system, pipelines communicated with the wards are respectively provided with pipeline silencers, and parts with motors are provided with shock absorbers and shock absorption bases.
8. The ward air conditioning system capable of automatically switching the operation mode according to the ward condition as claimed in claim 1, wherein: the medical care passage (5) and the buffer room (6) are marked as a semi-pollution partition, other ward partitions are marked as pollution partitions, the same fresh air conditioner (11) is only led to one of the semi-pollution partition or the pollution partition, and the same exhaust fan (21) is only led to one of the semi-pollution partition or the pollution partition.
9. The ward air conditioning system capable of automatically switching the operation mode according to the ward condition as claimed in claim 1, wherein: the fresh air conditioner (11) is a variable frequency air conditioner, and the exhaust fan (21) is a variable frequency fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121799753.5U CN215446711U (en) | 2021-08-04 | 2021-08-04 | Ward air conditioning system capable of automatically switching operation modes according to ward conditions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121799753.5U CN215446711U (en) | 2021-08-04 | 2021-08-04 | Ward air conditioning system capable of automatically switching operation modes according to ward conditions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215446711U true CN215446711U (en) | 2022-01-07 |
Family
ID=79691113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121799753.5U Active CN215446711U (en) | 2021-08-04 | 2021-08-04 | Ward air conditioning system capable of automatically switching operation modes according to ward conditions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215446711U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114704898A (en) * | 2022-03-23 | 2022-07-05 | 广州市城市规划勘测设计研究院 | Epidemic prevention conversion ward, exhaust pipe system thereof and epidemic prevention conversion method |
-
2021
- 2021-08-04 CN CN202121799753.5U patent/CN215446711U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114704898A (en) * | 2022-03-23 | 2022-07-05 | 广州市城市规划勘测设计研究院 | Epidemic prevention conversion ward, exhaust pipe system thereof and epidemic prevention conversion method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2019137527A1 (en) | Indoor unit of cabinet air conditioner | |
| CN107202396A (en) | A kind of double circulation VMC and new blower fan | |
| CN108194986A (en) | Hanging air-conditioner indoor machine | |
| KR102008625B1 (en) | Air conditioning system using outside air type fresh air unit for an affix ceiling | |
| CN108224588A (en) | For the cleaning module and window air conditioner of window air conditioner | |
| CN111998453A (en) | Whole-house air epidemic prevention energy-saving system | |
| CN215446711U (en) | Ward air conditioning system capable of automatically switching operation modes according to ward conditions | |
| JPH1078254A (en) | Ventilating and air-conditioning system | |
| CN203010831U (en) | Unidirectional flow fresh air system capable of being linked with air conditioning | |
| KR101904041B1 (en) | Heat Exchange Air Circulation Apparatus with Air Supply and Cleaning of Kitchen | |
| CN205137723U (en) | Comfortable new trend purification all -in -one | |
| CN207065803U (en) | A kind of fresh air purifying all-in-one | |
| WO2016023479A1 (en) | Smog-removing air conditioner | |
| CN112856687A (en) | Horizontal and vertical blowing and sucking combined air isolation device, system and method | |
| KR20030087872A (en) | Air circulation system of window type | |
| CN208418980U (en) | Hanging air-conditioner indoor machine | |
| CN110762654A (en) | High-efficiency medical air cleaning screen | |
| KR100508485B1 (en) | Air Purification System | |
| CN107166624A (en) | A kind of fresh air purifying all-in-one | |
| JP3911248B2 (en) | Animal breeding facilities | |
| CN208296037U (en) | Cabinet type air conditioner indoor set | |
| KR200353104Y1 (en) | Indoor air and outdoor air introducing air clean ventilation system with high filtering efficiency for saving energy | |
| CN209235389U (en) | A kind of intelligentized Furniture that indoor gas can be purified | |
| CN208296105U (en) | Cleaning module and window air conditioner for window air conditioner | |
| CN207778596U (en) | Cleaning module and air conditioner indoor unit for air conditioner indoor unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |