CN216346638U - Adjustable central air conditioner disinfection and purification device and system - Google Patents
Adjustable central air conditioner disinfection and purification device and system Download PDFInfo
- Publication number
- CN216346638U CN216346638U CN202220163352.9U CN202220163352U CN216346638U CN 216346638 U CN216346638 U CN 216346638U CN 202220163352 U CN202220163352 U CN 202220163352U CN 216346638 U CN216346638 U CN 216346638U
- Authority
- CN
- China
- Prior art keywords
- air
- conditioning
- central air
- disinfection
- central
- 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
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
Abstract
The utility model relates to an adjustable central air-conditioning disinfection and purification device and system. The plasma filter comprises a shell, a primary filter screen, a plasma generator, an air inlet, an air outlet and a power supply system, wherein the air inlet and the air outlet are arranged on two sides of the shell in parallel; the primary filter screen and the plasma generator are arranged in the shell and are arranged in parallel with the air inlet and the air outlet; the shell is matched with the size of the central air-conditioning air outlet pipeline opening in a sealing way, so that the device air inlet is communicated with the central air-conditioning air outlet pipeline opening, and the device air outlet is aligned to the inner side of the wall grille of the central air-conditioning air outlet. Need not to reform transform former central air conditioning system, this device can be installed directly through the grid of dismantling the wall air outlet, does not account for the interior space, and utilizes the circulated air that central air conditioning formed after the installation, through the disinfection of this device and purifies, can kill bacterium and virus to the indoor air circulation, gets rid of PM2.5, smog, peculiar smell.
Description
Technical Field
The utility model relates to the technical field of central air conditioner disinfection, in particular to an adjustable central air conditioner disinfection and purification device and system.
Background
With the generation of various air purifiers, air pollution is no longer a problem considering only outdoor environment, and the quality of air in the environment where a human body is located is an important factor affecting health. Especially, air in indoor environment, people spend most of the time indoors in modern life, the research direction of indoor air purifiers is moving to the directions of disinfection and sterilization, and the requirements of schools, hospitals, offices, dining halls, machine rooms, cinemas, markets and the like on the sterilization and cleaning of air are higher and higher. At present, a central air conditioning system is mostly installed indoors and used for supplying heat or cooling.
The central air conditioning system is composed of one or more cold and heat source systems and a plurality of air conditioning systems, and the system is different from the traditional refrigerant type air conditioner, and the air is intensively treated (such as a single machine, VRV) to achieve the comfort requirement. The principle of liquid gasification refrigeration is adopted to provide the required cold energy for the air conditioning system so as to offset the heat load of the indoor environment; the heating system provides the air conditioning system with the required heat to offset the indoor environment cooling and heating load. At present, most central air-conditioning systems introduce fresh outdoor air into an air treatment chamber through a fresh air inlet, remove dust in the air conditioner through a filter, treat the air by devices such as a surface air cooler and a heater, send the air into an air pipe system through an air volume control system by a blower to reduce noise, and send the air into air-conditioning rooms through air volume adjusting devices of the rooms and air outlets.
For the installed central air conditioning system, the traditional air sterilization and purification device needs to be installed separately, cannot utilize the existing central air conditioning system in a building or a room, is expensive, cannot directly utilize the existing central air conditioning system in the building or the room, and cannot directly purify air from the source. Moreover, many disinfection and purification devices require frequent replacement of the filter screens, and maintenance and repair costs and purification efficiency are compromised.
At present, a device for strengthening purification by modifying a central air-conditioning pipeline is also provided, and when the device is modified, a straight-through type disinfection and purification device is adopted, so that the original pipeline design parameters are changed, and the wind resistance is large, and the energy conservation is not facilitated. In view of the above, CN203068683U in the prior art develops a gradual-change central air conditioning disinfection and purification device, in which the outlets at both ends of the device are gradually thinned through the other end of the auxiliary connector and detachably connected to the central air conditioning air supply duct, compared with the traditional straight-through disinfection and purification duct, although the wind resistance is reduced, energy saving is facilitated, and the design parameters of the original duct are not changed, the duct in the central air conditioning system still needs to be modified, the generation of redundant modification cost cannot be avoided, and the whole central air conditioning system is affected by the problems such as adjustment of the whole circuit and circuit connection.
Therefore, how to realize the air purification and sterilization directly, efficiently and at low cost on the premise of not changing the overall design of the original central air-conditioning system is an urgent necessity for researching and designing the disinfection and purification device of the central air-conditioning system.
Disclosure of Invention
The utility model provides a central air-conditioning disinfection and purification device and an installation system adopting the device, aiming at the problems of long cost and transformation time, low efficiency of air purification and sterilization, and incomplete air purification and sterilization caused by the integral transformation of the original central air-conditioning system in the prior art.
The utility model requests to protect the following technical scheme:
the utility model provides a central air-conditioning disinfection and purification device which comprises a shell, a primary filter screen, a plasma generator, an air inlet, an air outlet and a power supply system, wherein the air inlet and the air outlet are arranged on two sides of the shell in parallel; the primary filter screen and the plasma generator are arranged in the shell and are arranged in parallel with the air inlet and the air outlet, the primary filter screen is arranged at the air inlet, and the plasma generator is arranged at the air outlet; the shell is matched with the size of the central air-conditioning air outlet pipeline opening in a sealing mode and connected with the central air-conditioning air outlet pipeline opening in a sealing mode, so that the air inlet is communicated with the central air-conditioning air outlet pipeline opening, and the air outlet is aligned to the inner side of a wall grid of the central air-conditioning air outlet.
Further, the size of the shell is matched with the size of the air outlet pipeline of the central air conditioner, and the shell is connected with the air outlet pipeline of the central air conditioner in a sealing way, namely: the shell is fixed in the air outlet pipeline opening of the central air conditioner through a connecting component, and the air inlet of the device is communicated with the air outlet pipeline opening of the central air conditioner through the connecting component.
Preferably, the connecting part is made of sealing collodion, the shell is placed in the central air-conditioning air outlet pipeline opening, and the sealing collodion is arranged at a gap between the shell and the central air-conditioning air outlet pipeline opening, so that the periphery of the shell is sealed with the central air-conditioning air outlet pipeline opening, and the air inlet of the device is communicated with the central air-conditioning air outlet pipeline opening.
Preferably, the size of the device shell is slightly smaller than the outlet of the central air conditioner.
Further, the size of the shell is matched with the size of the air outlet pipeline of the central air conditioner, and the shell is connected with the air outlet pipeline of the central air conditioner in a sealing way, namely: the shell is directly placed on the lower side of the central air-conditioning air outlet pipeline opening, and the shell completely covers the central air-conditioning air outlet pipeline opening.
Preferably, a folded edge is arranged on the periphery of one side of the air outlet of the shell, and the central air-conditioning disinfection and purification device is fixed inside the wall grid through the folded edge.
Furthermore, the power supply system is arranged in the shell, and a circuit is connected in parallel with an electric valve circuit output by the central air-conditioning temperature controller.
Furthermore, the shape of the shell comprises a cylinder or a polygon, and the shell is matched with an air outlet pipeline opening of the central air conditioner.
The utility model provides a central air-conditioning disinfection and purification system which is further characterized in that a disinfection and purification device is arranged between an air outlet pipeline opening of the central air-conditioning disinfection and purification system and the interior of a wall grating.
Furthermore, a primary filter screen or a combination of the primary filter screen and other filter devices is also arranged at the air supply pipeline opening of the central air-conditioning disinfection and purification system.
Compared with the prior art, the utility model does not need to reform the original central air-conditioning system, reduces the cost, has higher installation efficiency, can be designed according to the air outlet of the original central air-conditioning system, has stronger applicability, solves the problems of lower and incomplete air purification and sterilization efficiency, does not occupy indoor space, simultaneously solves almost all problems of indoor air and ensures fresh indoor air. The product has no material consumption, and the adopted plasma generator does not need to replace a filter screen for the whole life. The installation system of the product is adopted, circulating air formed by utilizing the power of a fan coil of the original central air-conditioning system passes through the plasma disinfection purifier, and indoor air is circularly sterilized, virus is killed, PM2.5 (containing smoke) is removed, and peculiar smell is removed.
Drawings
Fig. 1 is a cross-sectional view of the inside of a central air-conditioning disinfection and purification device provided by the utility model, wherein the device comprises a shell 1, an air inlet 2, an air outlet 3, a primary filter screen 4, a plasma generator 5, a power supply system 6 and a folded edge 31 arranged around the air outlet side of the shell.
Fig. 2 is a perspective view of another central air-conditioning disinfection and purification device provided by the utility model.
Fig. 3 is a vertical central air-conditioning disinfection and purification system provided with the disinfection and purification device provided by the utility model.
Fig. 4 shows a central air-conditioning disinfection and purification system with the disinfection and purification device horizontally installed.
FIG. 5 is a view showing the installation process of the disinfection and purification apparatus according to the present invention, wherein FIG. I is a view showing the installation process of the disinfection and purification apparatus after the wall grating is disassembled; FIG. II shows the device after the disinfection and purification device is installed, the power is turned on, the grid is closed, and the installation is completed.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the utility model described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Fig. 1 is an internal cross-sectional view of a central air-conditioning disinfection and purification device provided by the utility model, as shown in fig. 1, comprising a housing 1, an air inlet 2, an air outlet 3, a primary filter screen 4, a plasma generator 5, a power supply system 6, and a folded edge 31 arranged around the side of the air outlet of the housing. The air inlet 2 and the air outlet 3 are arranged on two sides of the shell 1 in parallel; elementary filter screen 4, plasma generator 5 set up inside casing 1, and with air intake 2, air outlet 3 parallel arrangement, elementary filter screen 4 sets up air intake 2, plasma generator 5 sets up air outlet 3. The shell 1 is matched with the air outlet pipeline opening of the central air conditioner in size and is connected with the air outlet pipeline opening of the central air conditioner in a sealing mode, so that the air inlet 2 is communicated with the air outlet pipeline opening of the central air conditioner, and the air outlet 3 is aligned to the inner side of a wall grid of the air outlet of the central air conditioner.
As shown in fig. 1, the air outlet 3 is larger than or equal to the air inlet 2; the size of the shell 1, the primary filter screen 4 and the plasma generator 5 of the disinfection and purification device can be adjusted, and the disinfection and purification device can be adjusted according to the sizes of the air outlet pipeline opening and the wall grating of different central air conditioners.
The plasma disinfection purifier adopted by the utility model can circularly kill bacteria, viruses, PM2.5 (containing smoke) and peculiar smell of indoor air. The whole device does not occupy indoor space, the ion generator has the effects of long service life and high quality, and meanwhile, almost all problems of indoor air are solved, and the indoor air is ensured to be fresh.
After the air passes through the plasma generator 5, positive ions and negative ions can be generated, the positive ions and the negative ions can decompose harmful gases in the air and realize sterilization, the purified fresh air is discharged into a room, the whole sterilization process is a dynamic process and can be used in a human-machine coexistence environment, the ozone content is lower than 0.1mg/m2And no secondary pollution. The device is quiet, noiseless and low in power consumption in the running process, and saves energy and electricity when running all the year round.
Fig. 2 is a perspective view of another central air-conditioning disinfection and purification device provided by the utility model. The plasma generator comprises a shell 1, an air inlet 2, an air outlet 3, a primary filter screen 4, a plasma generator 5 and a power supply system 6, wherein a folded edge is not arranged on the periphery of one side of the air outlet of the shell. At this time, the size of the shell 1 is matched with that of the central air-conditioning air outlet pipeline and the shell is hermetically connected with the central air-conditioning air outlet pipeline, namely: the shell 1 is fixed in an air outlet pipeline opening of the central air conditioner through sealing collodion, and an air inlet 2 of the device is communicated with the air outlet pipeline opening of the central air conditioner through a connecting part. The shell 1 is placed in an air outlet pipeline opening of a central air conditioner, sealing collodion is arranged at a gap between the shell 1 and the air outlet pipeline opening of the central air conditioner, so that the periphery of the shell 1 is sealed with the air outlet pipeline opening of the central air conditioner, and an air inlet 2 of the device is communicated with the air outlet pipeline opening of the central air conditioner. At this time, the size of the frame of the shell 1 is slightly smaller than that of the air outlet pipeline of the central air conditioner (about 2-5 mm is reserved around the air outlet pipeline), and the periphery of the shell is pasted with sealing cotton, so that the disinfection and purification device is directly fixed on the inner pipeline of the wall grid through the sealing cotton of the shell 1.
The sealing collodion can realize the sealing of the pipeline opening, and ensure that the air in the air inlet 2 completely enters the disinfection and purification device. The technical parameter indexes used by the device are as follows: the bacterial killing efficiency is as follows: 99.98 percent; the virus killing efficiency is as follows: 97.5 percent; power: 5W.
In this embodiment, the casing and the size looks adaptation of central air conditioning air outlet duct mouth and sealed meet still include: the shell 1 is directly placed on the lower side of the central air-conditioning air outlet pipeline opening, and the shell 1 completely covers the central air-conditioning air outlet pipeline opening. At this time, a folded edge 31 (as shown in fig. 1) is provided around the side of the air outlet of the housing 1, and the central air-conditioning disinfecting and purifying device is fixed inside the wall grille through the folded edge 31. It should be noted here that the size of the folded edge is enough to be placed inside the grille, and the folded edge can be specifically set according to the actual size of the central air-conditioning air outlet and the grille.
In this embodiment, the power system 6 is disposed in parallel on the electric valve circuit outputted from the corresponding central air-conditioning temperature controller; the position of installation in the device may vary depending on the actual design, and is preferably provided on the inner wall of the housing 1. After the electric valve circuit is electrified, the corresponding fan of the central air conditioner is started to work, and the disinfection and purification device is synchronously electrified to work; when the electric valve circuit is powered off, the corresponding fan of the central air conditioner is stopped, and the disinfection and purification device also stops working synchronously.
The temperature controller of the central air conditioner is used for controlling the disinfection and purification device to realize synchronous starting work with a fan coil fan or an electric valve of the corresponding central air conditioner; this product all the year round can utilize central air conditioning's fan circulated air to carry out circulation disinfection, purification to indoor air, specifically has two kinds of situations:
and in winter and summer, when the central air conditioner is started, the fan coil fan of the corresponding central air conditioner is started, and the disinfection and purification device synchronously works.
In spring and autumn, when the central air conditioner stops using, no cold or hot water is sent to the pipeline; at the moment, the central air-conditioning temperature controller sets the indoor temperature to a temperature which cannot be reached, the temperature controller starts the central air-conditioning fan to supply circulating air, and the disinfection and purification device is synchronously started to work to realize the disinfection and purification of air.
As shown in fig. 3 or 4, the air inlet side completely covers the central air-conditioning outlet duct port; air in an air supply pipeline of the central air conditioner sequentially passes through an air outlet pipeline opening of the central air conditioner, an air inlet 2 of the device, a primary filter screen 4, a plasma generator 5, an air outlet 3 of the device and a wall grating and enters a room.
It should be noted here that the shape of the housing 1 includes a cylinder or a polygon, the corresponding side of the air inlet and the corresponding side of the air outlet are circular or polygonal, and the side of the air inlet completely covers the outlet of the central air conditioner, and the side of the air outlet is greater than or equal to the side of the air outlet. In this embodiment, as shown in fig. 1, 2, 3 and 4, since the outlet duct of the conventional central air conditioning system is square, the shape of the housing 1 of the device used in this embodiment is also square. Of course the utility model also protects designs of cylinders or other shapes.
The device provided by the utility model can be adapted to various central air-conditioning systems and is customized according to the size of the air outlet of the central air-conditioning system.
As shown in fig. 5, the machine is installed between the outlet of the central air-conditioning sterilizing and purifying system and the inside of the wall grille (on the outlet of the circulating air), the power supply is connected in parallel with the electric valve circuit outputted by the central air-conditioning temperature controller, the electric valve circuit is powered on to work, the fan is started to work, the sterilizing and purifying device is powered on to work synchronously, the electric valve circuit is powered off, the fan is stopped, and the sterilizing and purifying device is stopped to work synchronously. FIG. I represents the installation of the disinfection and purification device after the wall grid has been disassembled; FIG. II shows the device after the disinfection and purification device is installed, the power is turned on, the grid is closed, and the installation is completed.
It should be noted here that the central air-conditioning disinfection and purification system of the present invention, in addition to installing the disinfection and purification device of the present invention, also installs a primary filter screen or a combination of the primary filter screen and other filter devices at the air supply duct opening and the interior of the wall grille of the central air-conditioning disinfection and purification system.
In the present embodiment, a specific installation example is also shown, specifically as shown in fig. 3 and 4 (two installation types):
1、vertical type installation mode:
When the air outlet in the central air-conditioning disinfection and purification system is a side air outlet, as shown in fig. 3, the disinfection and purification device is directly placed in the central air-conditioning air outlet pipeline opening in a vertical installation manner, so that the side of the air inlet of the disinfection and purification device completely covers the central air-conditioning air outlet pipeline opening; wherein, the connecting component can be selected to realize sealing by using sealing collodion, so that dirty air can be sterilized and virus-killed, haze and peculiar smell removed → sanitary and clean air can enter a room from the air outlet of the air conditioner from the air inlet of the central air conditioner → the fan coil → (all entering) the sterilizing and purifying device.
2、Horizontal type installation mode:
When the air outlet in the central air-conditioning disinfection and purification system is the following air outlet, as shown in fig. 4, the disinfection and purification device is directly installed in a horizontal type below the air outlet pipeline opening of the central air-conditioning, the side of the air inlet completely covers the air outlet pipeline opening of the central air-conditioning, the shell of the disinfection and purification device is provided with a folding edge around the side of the air outlet, the folding edge is just built on the wall grating in size, and the side of the air outlet is slightly larger than the wall grating. Dirty air enters a room from an air outlet of the central air conditioner → a fan coil → a disinfection and purification device for sterilization, virus killing, haze removal, odor removal → sanitation and clean air enters the room from the air outlet of the central air conditioner.
The central air-conditioning system provided with the device has high virus killing and sterilizing efficiency which is as high as 99.9% after being detected by (staphylococcus albus), and the detection and judgment are qualified for disinfection according to the test requirement of a simulation field experiment in disinfection technical specification (2002 edition) 2.1.3 of Ministry of health; in addition, in a microorganism detection experiment, an experimental method for removing the effect of the aerosol of the virus in the air (experimental strains are influenza A virus A/PR8/34(H1N1) and MDCK cells) is adopted, and the removal rate is up to 97.5 percent.
The above description is for the purpose of describing the utility model in more detail with reference to specific preferred embodiments, and it should not be construed that the embodiments of the utility model are limited to those described herein, and it will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the utility model.
Claims (10)
1. A central air-conditioning disinfection and purification device comprises a shell, a primary filter screen, a plasma generator, an air inlet, an air outlet and a power supply system, and is characterized in that the air inlet and the air outlet are arranged on two sides of the shell in parallel; the primary filter screen and the plasma generator are arranged in the shell and are arranged in parallel with the air inlet and the air outlet, the primary filter screen is arranged at the air inlet, and the plasma generator is arranged at the air outlet; the shell is matched with the size of the central air-conditioning air outlet pipeline opening in a sealing mode and connected with the central air-conditioning air outlet pipeline opening in a sealing mode, so that the air inlet is communicated with the central air-conditioning air outlet pipeline opening, and the air outlet is aligned to the inner side of a wall grid of the central air-conditioning air outlet.
2. The central air-conditioning disinfection and purification device of claim 1, wherein the housing and the outlet of the central air-conditioning duct are matched in size and are in sealed connection with each other by: the shell is fixed in the air outlet pipeline opening of the central air conditioner through a connecting component, and the air inlet of the device is communicated with the air outlet pipeline opening of the central air conditioner through the connecting component.
3. The central air-conditioning disinfection and purification device as claimed in claim 2, wherein the connection component is a sealing collodion, the housing is placed in the outlet duct opening of the central air-conditioning, the sealing collodion is arranged at the gap between the housing and the outlet duct opening of the central air-conditioning, so that the periphery of the housing is sealed with the outlet duct opening of the central air-conditioning, and the air inlet of the device is communicated with the outlet duct opening of the central air-conditioning.
4. The disinfection and purification device for the central air conditioner as claimed in claim 3, wherein the size of the housing of the device is slightly smaller than the outlet of the central air conditioner.
5. The central air-conditioning disinfection and purification device of claim 1, wherein the housing and the outlet of the central air-conditioning duct are matched in size and are in sealed connection with each other by: the shell is directly placed on the lower side of the central air-conditioning air outlet pipeline opening, and the shell completely covers the central air-conditioning air outlet pipeline opening.
6. The central air-conditioning disinfecting and purifying device as recited in claim 5, further characterized in that a folded edge is provided around the side of the air outlet of the housing, and the central air-conditioning disinfecting and purifying device is fixed inside the wall grille through the folded edge.
7. The central air-conditioning disinfection and purification device of claim 1, 2 or 5, further characterized in that the power system is arranged inside the shell, and the circuit is connected in parallel with an electric valve circuit of the output of the central air-conditioning temperature controller.
8. The central air-conditioning disinfection and purification device as claimed in claim 1, wherein the shape of the housing comprises a cylinder or a polygon, and the housing is adapted to the outlet of the central air-conditioning.
9. A central air-conditioning disinfection and purification system, which is further characterized in that the disinfection and purification device as claimed in any one of claims 1-8 is installed between the outlet of the central air-conditioning disinfection and purification system and the interior of the wall grating.
10. The central air-conditioning disinfection and purification system of claim 9, further characterized in that a primary filter screen or a combination of the primary filter screen and other filter devices is installed at the outlet of the air supply duct of the central air-conditioning disinfection and purification system.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202220163352.9U CN216346638U (en) | 2022-01-21 | 2022-01-21 | Adjustable central air conditioner disinfection and purification device and system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202220163352.9U CN216346638U (en) | 2022-01-21 | 2022-01-21 | Adjustable central air conditioner disinfection and purification device and system |
Publications (1)
Publication Number | Publication Date |
---|---|
CN216346638U true CN216346638U (en) | 2022-04-19 |
Family
ID=81167072
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202220163352.9U Active CN216346638U (en) | 2022-01-21 | 2022-01-21 | Adjustable central air conditioner disinfection and purification device and system |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN216346638U (en) |
-
2022
- 2022-01-21 CN CN202220163352.9U patent/CN216346638U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN201138022Y (en) | Air handling unit with purification and disinfection function | |
CN209978225U (en) | Air processor mounting structure of clean operating room | |
CN101839534B (en) | Wall-hanging multifunctional laminar flow sterilization machine | |
CN105020793A (en) | Ultra-thin air purification device and air purification device combined with air conditioner | |
CN203068684U (en) | Disinfecting and purifying device of central air-conditioner | |
CN202581571U (en) | Household air conditioner | |
CN216346638U (en) | Adjustable central air conditioner disinfection and purification device and system | |
CN212815439U (en) | Bed body structure with air purification function | |
CN217131413U (en) | Air purification system | |
CN216522107U (en) | Central air conditioner air port sterilizing purifier | |
CN216953321U (en) | Clean device that disappears of thermal power factory central air conditioning air supply system kills | |
CN201885317U (en) | Wall hanging type multifunctional laminar flow sterilization device | |
CN2760439Y (en) | Coil pipe for purification blower fan of central air conditioner | |
CN215215909U (en) | Novel clean grille lamp of multi-functional air purification | |
CN213272955U (en) | Wet film humidifier and combined air conditioner | |
CN205208798U (en) | Plasma air purification air -conditioning box of disinfecting | |
CN203785132U (en) | Plasma purification device for air port and air cap of air conditioner | |
CN202581618U (en) | Air outlet structure of air duct of central air conditioner | |
CN217423537U (en) | Air conditioner sterilizing device | |
CN204202022U (en) | A kind of multistage duct type highly effective air purification air aeration device | |
CN2739517Y (en) | Centralized air conditioner with air purifying and disinfecting device | |
CN216366033U (en) | In-situ inactivation device for surface of filter element of filter, filter and air conditioning system | |
CN217464625U (en) | Super bath | |
CN213656888U (en) | Indoor heating and ventilation equipment with high heat utilization rate | |
CN217357354U (en) | Low-carbon clean operating room |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP02 | Change in the address of a patent holder | ||
CP02 | Change in the address of a patent holder |
Address after: 741, floor 7, building 2, No. 18, YANGFANGDIAN Road, Haidian District, Beijing 100038 Patentee after: GREENWEAR (BEIJING) TECHNOLOGY DEVELOPMENT CO.,LTD. Address before: 1005, building 2, yard 15, beifenghuang Road, Haidian District, Beijing 100038 Patentee before: GREENWEAR (BEIJING) TECHNOLOGY DEVELOPMENT CO.,LTD. |