CN213514310U - High-efficient intelligent air purification device - Google Patents
High-efficient intelligent air purification device Download PDFInfo
- Publication number
- CN213514310U CN213514310U CN202021609966.2U CN202021609966U CN213514310U CN 213514310 U CN213514310 U CN 213514310U CN 202021609966 U CN202021609966 U CN 202021609966U CN 213514310 U CN213514310 U CN 213514310U
- Authority
- CN
- China
- Prior art keywords
- air
- fan
- shell
- filter screen
- control module
- 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)
Abstract
The utility model discloses a high-efficiency intelligent air purification device, which comprises a shell, wherein the shell is provided with a return air inlet and an air supply outlet, and a negative ion generating device is arranged at the side of the return air inlet and/or the air outlet; a detachable filter assembly is also arranged in the shell; the device also comprises a PM2.5 monitoring device and a circuit control module; the circuit control module is connected with the PM2.5 monitoring device, the fan and the negative ion generating device; air is sucked into the shell from the outside, pollutants such as PM2.5, peculiar smell, formaldehyde, bacteria and the like in the air are removed through the negative ions and the filtering component, so that purified air containing negative oxygen ions is output from the air outlet, the air containing the negative oxygen ions can go deep into the skin after secondary purification, skin dirt is deeply cleaned, wound healing is promoted, a certain recuperation effect is achieved for a human respiratory system and a blood circulation system, the running state of the equipment is monitored in real time according to pollution components in the air, and the energy-saving effect is not achieved by switching the running mode.
Description
Technical Field
The utility model belongs to the technical field of air purification, concretely relates to high-efficient intelligent air purification device.
Background
Along with the rapid development of industrialization, air is polluted, and haze weather is more and more serious. The problem of purifying indoor air is to be solved. The existing air purification device adopts a single filter screen purification means, and the pollution components in the purified air are not added with beneficial components; and the operation state of the equipment cannot be determined according to the pollution components in the air;
because the negative ions have the function of removing pollutants such as PM2.5, peculiar smell, formaldehyde, bacteria and the like in the air, the negative ions can penetrate into the skin, deeply clean dirt of the skin and promote wound healing, and have certain recuperation effect on a human respiratory system and a blood circulation system, if the negative ions are used in the air purification device, the purification efficiency of the device can be greatly improved, and the negative ions are beneficial to the body health of a user.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high-efficient intelligent air purification device to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a high-efficiency intelligent air purification device comprises a shell, wherein a return air inlet and an air supply outlet are arranged on the shell, a purification air channel is formed between the return air inlet and the air supply outlet, a negative ion generating device is arranged at the side of the return air inlet and/or the air outlet, negative ions are manufactured and released by the negative ion generating device to purify air in the purification air channel, at least one fan is arranged in the purification air channel, and the air is sucked into the fan from a fan air inlet, pressurized and accelerated and then output from a fan air outlet;
the air inlet guide part is arranged at the air inlet of the fan, and is provided with an airflow port which is communicated with the air inlet of the fan; the air smoothly enters the fan from the air inlet of the fan by shielding and drainage, and high-pressure air output from the air outlet of the fan is prevented from being short-circuited and returned to the fan from the air inlet of the fan;
the shell is also internally provided with a detachable filter assembly, and air sucked by the air return port enters an air inlet of the fan after passing through the filter assembly;
the system also comprises a PM2.5 monitoring device and a circuit control module, wherein the PM2.5 monitoring device monitors the concentration of PM2.5 in the air in real time and transmits data to the circuit control module; the circuit control module is connected with the PM2.5 monitoring device, the fan and the negative ion generating device; and adjusting the running frequency or gear and starting/stopping of the fan and the starting/stopping of the negative ion generating device according to real-time monitoring data measured by the PM2.5 monitoring device.
Preferably, the monitoring device fixing part is further included, and the PM2.5 monitoring device is fixed at the air return inlet through the monitoring device fixing part; the fixed part of monitoring devices is equipped with the sample connection, PM2.5 monitoring devices passes through the PM2.5 concentration of sample connection monitoring return air in the air.
Preferably, the device also comprises an odor sensor and a formaldehyde concentration monitoring device which are connected with the circuit control module.
Preferably, a display screen or/and an indicator light are arranged on the shell, the display screen or/and the indicator light are connected with the circuit control module, and data of PM2.5 concentration monitoring are displayed through numbers or/and brightness or/and colors.
Preferably, the circuit control module further comprises APP software, and the APP software is in communication connection with the circuit control module; the APP software is used for displaying real-time monitoring data and the operation mode of the current equipment.
Preferably, the filter assembly comprises a cylindrical filter screen, the cylindrical filter screen is arranged on the periphery of the fan air inlet, the fan air inlet is located in the cylindrical filter screen, and the return air inlet is located outside the cylindrical filter screen.
Wherein, the cylindrical filter screen is made of a high-efficiency active carbon composite filter screen;
preferably, still include tube-shape filter screen setting element, tube-shape filter screen setting element includes dismouting knob, filter screen location base, be provided with the knob fixed part on the air inlet guide part, the top and the knob fixed part of dismouting knob can be dismantled and be connected, and the bottom is connected with filter screen location base, filter screen location base is fixed in the bottom of casing, the top of tube-shape filter screen support extremely on the air inlet guide part, the bottom support extremely on the filter screen location base.
Wherein, the disassembly knob and the knob fixing part can be mutually fixed through a screw.
Tube-shape filter screen setting element for fixed, dismantlement and installation tube-shape filter screen, wherein: the filter screen positioning base positions the cylindrical filter screen between the filter screen positioning base and the shielding part of the air inlet guide component; the disassembly knob penetrates through the filter screen positioning base and then is screwed with the knob fixing part, so that the cylindrical filter screen is fixed, an air return opening in the shell is positioned outside the cylinder of the cylindrical filter screen, and an airflow opening is positioned in the cylinder; the air inlet guide part is arranged at the air inlet of the fan, and through shielding and drainage, air entering the shell from the air return inlet firstly passes through the cylindrical filter screen and then enters the fan 4 from the air inlet of the fan through the air flow port, so that the air is prevented from directly entering the fan by bypassing the cylindrical filter screen, and high-pressure air output by the air outlet of the fan is prevented from being short-circuited by the air inlet of the fan and then returning to the fan.
Preferably, the fan is fixed in the casing through a fan fixing part, and the fan fixing part is provided with an airflow port which is communicated with the purification air duct and is used for air circulation.
Preferably, an air outlet guide component is arranged at the air outlet of the fan and fixed on the shell. The air outlet guide component adopts a volute type, a spiral type, a stair type and the like, and is used for gathering and guiding high-pressure and high-speed airflow from the air outlet of the fan and reducing airflow noise.
Preferably, the negative ion generating means includes an ion emitting head made of a plurality of corrosion-resistant conductors that easily excite negative ions, through which the negative ions generated by the negative ion generating means are discharged. The ion emission head is made of graphene, fullerene, carbon fiber and the like.
Preferably, the anion generator further comprises a fixing part of the anion generator connected to the housing, the anion generator is fixed in the housing cavity through the fixing part of the anion generator, and an ion emitting head of the anion generator is exposed out of the fixing part of the anion generator, so that anions generated by the anion generator are rapidly released into the housing.
Preferably, a circuit module fixing part is arranged in the housing, and the circuit control module is fixed in the circuit module fixing part.
The circuit module fixing part, the air inlet guide part, the fan fixing part, the negative ion generating device fixing part, the monitoring device fixing part and the shell are integrally formed.
Compared with the prior art, the beneficial effects of the utility model are that:
the application provides a high-efficient intelligent air purification device, utilize the air in by the outside by the suction casing, PM2.5 through anion and filtering component in the air get rid of, the peculiar smell, formaldehyde, pollutants such as bacterium, make the air-purifying who contains negative oxygen ion, output by the air outlet, the air that contains negative oxygen ion after the secondary purification still can go deep into skin, the skin dirt of deep cleaning, promote the surface of a wound healing, also have certain recuperation efficiency and come the running state of real time monitoring equipment according to the polluted component in the air to human respiratory system and blood circulation system, it does not reach energy-conserving efficiency to switch the operational mode.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a schematic view of the structure of the tubular filter screen positioning member of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
The utility model provides a high-efficiency intelligent air purification device as shown in figure 1-2, which comprises a shell 1, wherein the shell is provided with a return air inlet 2 and an air supply outlet 6, a purification air duct is formed between the return air inlet and the air supply outlet, the air outlet side is provided with a negative ion generating device 8, the negative ion generating device 8 is manufactured and releases negative ions to purify the air in the purification air duct, at least one fan 4 is arranged in the purification air duct, and the air is sucked into the fan from a fan air inlet 41 and is output from a fan air outlet 42 after being pressurized and accelerated;
the air inlet guide component is arranged at the air inlet of the fan, and is provided with an airflow port 31 which is communicated with the air inlet of the fan; the air smoothly enters the fan from the air inlet of the fan by shielding and drainage, and high-pressure air output from the air outlet of the fan is prevented from being short-circuited and returned to the fan from the air inlet of the fan;
the shell is also internally provided with a detachable filter assembly, and air sucked by the air return port enters an air inlet of the fan after passing through the filter assembly;
the system is characterized by further comprising a PM2.5 monitoring device 13 and a circuit control module 15, wherein the circuit control module is connected with the PM2.5 monitoring device, the fan and the anion generating device and used for adjusting the running frequency or gear position of the fan, starting/stopping the fan and starting/stopping the anion generating device according to real-time monitoring data measured by the PM2.5 monitoring device.
The monitoring device fixing part 14 is used for fixing the PM2.5 monitoring device at the air return inlet; the fixed part of monitoring devices is equipped with sample connection 141, PM2.5 monitoring devices passes through the PM2.5 concentration of sample connection monitoring return air in the air.
The odor sensor and the formaldehyde concentration monitoring device are connected with the circuit control module.
The shell is provided with a display screen or/and an indicator light, the display screen or/and the indicator light is connected with the circuit control module, and data of PM2.5 concentration monitoring is displayed through numbers or/and brightness or/and colors.
The circuit control module is communicated with the circuit control module through the APP software; the APP software is used for displaying real-time monitoring data and the operation mode of the current equipment.
The filter assembly comprises a cylindrical filter screen 10, the cylindrical filter screen is covered on the periphery of the fan air inlet, the fan air inlet is located inside the cylindrical filter screen, and the air return inlet is located outside the cylindrical filter screen.
Wherein, the cylindrical filter screen is made of a high-efficiency active carbon composite filter screen;
still include tube-shape filter screen setting element, tube-shape filter screen setting element includes dismouting knob 11, filter screen location base 12, be provided with knob fixed part 33 on the air inlet guide part, the top and the knob fixed part of dismouting knob can be dismantled and be connected, and the bottom is connected with filter screen location base, filter screen location base is fixed in the bottom of casing, the top of tube-shape filter screen 10 supports extremely on the air inlet guide part, the bottom supports extremely on the filter screen location base.
Wherein, the disassembly knob and the knob fixing part can be mutually fixed through a screw. Or other attachment structure.
Tube-shape filter screen setting element for fixed, dismantlement and installation tube-shape filter screen, wherein: the screen positioning base 12 positions the cylindrical screen 10 between the screen positioning base 12 and the shielding portion 32 of the intake air guide member; the disassembly knob 11 penetrates through the filter screen positioning base and then is screwed with the knob fixing part, so that the cylindrical filter screen is fixed, an air return opening on the shell is positioned outside the cylindrical filter screen, and an airflow opening is positioned in the cylindrical filter screen; the air inlet guide part is arranged at the air inlet of the fan, and through shielding and drainage, air entering the shell from the air return inlet firstly passes through the cylindrical filter screen and then enters the fan 4 from the air inlet of the fan through the air flow port, so that the air is prevented from directly entering the fan by bypassing the cylindrical filter screen, and high-pressure air output by the air outlet of the fan is prevented from being short-circuited by the air inlet of the fan and then returning to the fan.
The fan 4 is fixed in the casing through a fan fixing part 5, and the fan fixing part is provided with an airflow port 51 which is communicated with the purification air duct for air circulation.
An air outlet flow guide component is arranged at the air outlet of the fan and fixed on the shell. The air outlet guide component adopts a volute type, a spiral type, a stair type and the like, and is used for gathering and guiding high-pressure and high-speed airflow from the air outlet of the fan and reducing airflow noise.
The negative ion generating device 8 includes an ion emitting head 81, and the ion emitting head 81 is made of a plurality of corrosion-resistant conductors that easily excite negative ions, through which negative ions generated by the negative ion generating device are released. The ion emission head is made of graphene, fullerene, carbon fiber and the like.
The anion generator fixing component 9 is connected to the shell, the anion generator 9 is fixed in the shell cavity through the anion generator fixing component, and the ion emitting head of the anion generator is exposed out of the anion generator fixing component, so that anions generated by the anion generator are rapidly released into the shell.
A circuit module fixing part 7 is provided in the housing for fixing the circuit module.
The circuit module fixing part, the air inlet guide part, the fan fixing part, the negative ion generating device fixing part and the shell are integrally formed.
As shown in figure 1, the fan introduces the outside air into the shell from the air return inlet, the introduced air passes through the cylindrical filter screen to be primarily purified, the air continues to flow upwards under the action of air flow driving, the air is sucked by the fan after being guided by the air inlet guide part, the pressurized and speed-increased air is output from the air outlet of the fan, passes through the air flow port of the fan fixing part and is further purified by negative ions generated by the negative ion generating device arranged near the air supply port, the air after secondary purification has high cleanliness and is rich in negative oxygen ions and is discharged out of the shell from the air supply port, and the clean air rich in negative oxygen ions with recuperation and continuous purification effects is provided for a user.
Along the air flow direction, anion generating device sets up the low reaches at the tube-shape filter screen, and the air is filtered earlier by filter equipment afterwards by anion intensive filtration, improves filtration efficiency, intensive filtration degree.
Example 2
The difference from example 1 is that: as shown in fig. 1, the negative ion generating device 8 is disposed upstream of the filter device 10 in the air flow direction. In the case that the external air passes through the negative ion generating device 8 and then passes through the filtering device 10, the negative ions generated by the negative ion purifying device 8 can further purify the pollutants adsorbed in the filtering device 10, thereby prolonging the service life of the filtering device 10.
Wherein, the air return inlet is arranged at the bottom of the shell 1, and can also be arranged at other positions such as the top, the side and the like; the air supply outlet is arranged at the top of the shell 1, and can also be arranged at other positions such as the bottom, the side and the like; the filtering device can adopt HEPA filter screen, active carbon composite filter screen, multilayer filter screen, etc., can adopt a cylindrical form, and can also adopt other forms such as a sheet form, etc.; the fans are centrifugal fans, or can be selected from turbine type or axial flow fans, and the number of the fans is 1 or more; or no fan is arranged; the number of the negative ion generating devices is 1 or more;
the operation mode is as follows:
1) starting up
The circuit control module 15 inputs corresponding driving power to the fan 4, the negative ion generating device 8 and the PM2.5 monitoring device 13, so that the devices can normally operate.
The fan 4 introduces the outside air into the shell 1 from the air return inlet 2, the introduced air passes through the filter device 10 to be primarily purified, the air continues to flow upwards under the action of air flow driving, the air is sucked by the fan 4 after being guided by the air inlet guide part 3, the pressurized and speed-increased air is output from the fan air outlet 42, passes through the air flow port II51 of the fan fixing part 5 and is further purified by negative ions generated by the negative ion generating device 8 arranged near the air supply outlet 6, the air after secondary purification has high cleanliness and is rich in negative oxygen ions and is discharged to the outside of the shell 1 from the air supply outlet 6, and clean air which is rich in the negative oxygen ions and has the efficacies of rehabilitation and continuous purification is provided for users.
The PM2.5 monitoring device 13 monitors the PM2.5 concentration of return air in real time and uploads data to the circuit control module 15 in real time.
2) Intelligent operation
The circuit control module 15 controls the running frequency or gear position, start/stop and start/stop of the fan 4 and the anion generating device 8 according to the received monitoring data from the PM2.5 monitoring device 13. If the fan 4 is set with three operating gears, the fan 4 automatically operates at a low-speed gear or a gear before shutdown according to the air volume from low to high, the negative ion generating device 8 operates, and the PM2.5 concentration gears are set to 30, 60, 120 μ g/m 3: firstly, when the concentration of PM2.5 monitored by the PM2.5 monitoring device 13 is higher than 120 mug/m 3, the circuit control module 15 operates the fan at a high-speed gear and operates the negative ion generating device 8; when the concentration of PM2.5 monitored by the PM2.5 monitoring device 13 is higher than 60 mug/m 3 and lower than 120 mug/m 3, the circuit control module 15 operates the fan at a medium-speed gear and operates the negative ion generating device 8; thirdly, when the concentration of PM2.5 monitored by the PM2.5 monitoring device 13 is higher than 30 mug/m 3 and lower than 60 mug/m 3, the circuit control module 15 operates the fan at a low-speed gear and operates the negative ion generating device 8; and fourthly, when the concentration of the PM2.5 monitored by the PM2.5 monitoring device 13 is lower than 30 mu g/m3, the circuit control module 15 closes the fan and only operates the negative ion generating device 8.
3) Shutdown
The circuit control module 15 turns off the drive power supplies of the blower 4, the negative ion generating device 8, and the PM2.5 monitoring device 13.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (9)
1. The utility model provides a high-efficient intelligent air purification device which characterized in that: the air purifier comprises a shell, wherein an air return inlet and an air supply outlet are arranged on the shell, a purifying air channel is formed between the air return inlet and the air supply outlet, and a negative ion generating device is arranged at the side of the air return inlet and/or the air outlet and is used for manufacturing and releasing negative ions so as to purify air in the purifying air channel; at least one fan is arranged in the purification air duct, and air is sucked into the fan from an air inlet of the fan, pressurized and accelerated and then output from an air outlet of the fan;
the air inlet guide part is arranged at the air inlet of the fan, and is provided with an airflow port which is communicated with the air inlet of the fan;
the shell is also internally provided with a detachable filter assembly, and air sucked by the air return port enters an air inlet of the fan after passing through the filter assembly; the system also comprises a PM2.5 monitoring device and a circuit control module, wherein the PM2.5 monitoring device monitors the concentration of PM2.5 in the air in real time and transmits data to the circuit control module; the circuit control module is connected with the PM2.5 monitoring device, the fan and the negative ion generating device.
2. The efficient intelligent air purification device of claim 1, wherein: the PM2.5 monitoring device is fixed at the air return inlet through the monitoring device fixing part; the fixed part of monitoring devices is equipped with the sample connection, PM2.5 monitoring devices passes through the PM2.5 concentration of sample connection monitoring return air in the air.
3. The efficient intelligent air purification device of claim 1, wherein: the odor sensor and the formaldehyde concentration monitoring device are connected with the circuit control module.
4. The efficient intelligent air purification device of claim 1, wherein: the shell is provided with a display screen or/and an indicator light, the display screen or/and the indicator light is connected with the circuit control module, and data of PM2.5 concentration monitoring is displayed through numbers or/and brightness or/and colors.
5. The efficient intelligent air purification device of claim 1, wherein: the circuit control module is communicated with the circuit control module through the APP software; the APP software is used for displaying real-time monitoring data and the operation mode of the current equipment.
6. The efficient intelligent air purification device of claim 1, wherein: the filter assembly comprises a cylindrical filter screen, the cylindrical filter screen is covered on the periphery of the air inlet of the fan, the air inlet of the fan is positioned in the cylindrical filter screen, and the air return opening is positioned outside the cylindrical filter screen; the filter screen positioning piece comprises a disassembly knob and a filter screen positioning base, a knob fixing part is arranged on the air inlet guide part, the top of the disassembly knob is detachably connected with the knob fixing part, the bottom of the disassembly knob is connected with the filter screen positioning base, the filter screen positioning base is fixed at the bottom of the shell, the top end of the tubular filter screen is supported to the air inlet guide part, and the bottom of the tubular filter screen is supported to the filter screen positioning base.
7. The efficient intelligent air purification device of claim 1, wherein: the fan is fixed in the shell through a fan fixing part, the fan fixing part is provided with an airflow port, and the airflow port is communicated with the purification air channel to allow air to circulate from the airflow port.
8. The efficient intelligent air purification device of claim 1, wherein: the anion generating device comprises an ion emitting head, the ion emitting head is made of a plurality of corrosion-resistant conductors which can easily excite anions, and the anions generated by the anion generating device are released through the ion emitting head; the negative ion generator is characterized by further comprising a negative ion generating device fixing part connected to the shell, the negative ion generating device is fixed in the inner cavity of the shell through the negative ion generating device fixing part, and an ion emitting head of the negative ion generating device is exposed out of the negative ion generating device fixing part, so that negative ions generated by the negative ion generating device are rapidly released into the shell.
9. The efficient intelligent air purification device of claim 1, wherein: a circuit module fixing part is arranged in the shell, and the circuit control module is fixed in the circuit module fixing part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021609966.2U CN213514310U (en) | 2020-08-05 | 2020-08-05 | High-efficient intelligent air purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021609966.2U CN213514310U (en) | 2020-08-05 | 2020-08-05 | High-efficient intelligent air purification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213514310U true CN213514310U (en) | 2021-06-22 |
Family
ID=76437048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021609966.2U Active CN213514310U (en) | 2020-08-05 | 2020-08-05 | High-efficient intelligent air purification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213514310U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114198854A (en) * | 2021-11-12 | 2022-03-18 | 浙江维度环保科技有限公司 | Indoor air treatment construction process based on real-time monitoring of negative ions |
-
2020
- 2020-08-05 CN CN202021609966.2U patent/CN213514310U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114198854A (en) * | 2021-11-12 | 2022-03-18 | 浙江维度环保科技有限公司 | Indoor air treatment construction process based on real-time monitoring of negative ions |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102274538B (en) | High efficiency and energy saving pressure type intelligent air purifier (HEPA) | |
| CN211177207U (en) | Haze air purifier with automatic humidification atomizing device | |
| CN106382688A (en) | Multifunctional air purification processor | |
| CN213178733U (en) | High-efficient low material consumption intelligence air purification device | |
| CN107687696A (en) | A kind of air filtration air conditioner indoor machine | |
| CN104329734A (en) | Air treatment system | |
| CN213514310U (en) | High-efficient intelligent air purification device | |
| CN214746326U (en) | Filter equipment and have filter equipment's intelligent purification ware thereof | |
| CN204987271U (en) | Minitype air purifier | |
| CN112316580A (en) | Atmosphere pollution treatment equipment | |
| CN207230750U (en) | A kind of purifier of indoor formaldehyde | |
| CN1112543C (en) | Air purifying machine | |
| CN205957335U (en) | Self -circulation suspension type electronic air purifier | |
| CN215295288U (en) | Desktop type air disinfection purifier | |
| CN202073804U (en) | Electric fan capable of purifying air | |
| CN212456525U (en) | Multifunctional sterilization bread lamp | |
| CN204460501U (en) | A kind of air cleaning unit | |
| CN204165168U (en) | Intelligent air purifying health-care appliance | |
| CN211411516U (en) | High-efficient formaldehyde adsorption tower | |
| CN207570025U (en) | A kind of air cleaning unit of environment | |
| CN207065751U (en) | Multi-functional high-efficient air eliminator | |
| CN208253769U (en) | A kind of air cleaning facility of low noise | |
| CN111609488A (en) | Building indoor gas environment automated inspection breather | |
| CN204555083U (en) | A kind of air current composition controls active filtered air clarifier | |
| CN202136608U (en) | High-efficiency energy-saving pressure type intelligent air purifier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |