CN206831719U - Multifunctional air purifier - Google Patents
Multifunctional air purifier Download PDFInfo
- Publication number
- CN206831719U CN206831719U CN201720332489.1U CN201720332489U CN206831719U CN 206831719 U CN206831719 U CN 206831719U CN 201720332489 U CN201720332489 U CN 201720332489U CN 206831719 U CN206831719 U CN 206831719U
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- Prior art keywords
- air
- cleaning system
- housing
- multifunctional
- air purifier
- 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.)
- Expired - Fee Related
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- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000004140 cleaning Methods 0.000 claims abstract description 24
- 239000000428 dust Substances 0.000 claims abstract description 20
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000000746 purification Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 9
- 230000001413 cellular effect Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 claims description 3
- 238000000354 decomposition reaction Methods 0.000 claims description 3
- 239000003814 drug Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 239000008187 granular material Substances 0.000 abstract description 10
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 abstract description 7
- 244000005700 microbiome Species 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 3
- 230000035568 catharsis Effects 0.000 description 3
- 230000003670 easy-to-clean Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 206010033307 Overweight Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- -1 filter screen Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 238000002620 method output Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 235000020825 overweight Nutrition 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Landscapes
- Electrostatic Separation (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The utility model discloses a kind of multifunctional air purifier, including housing, separate in housing and upper cleaning system setting up and down and lower cleaning system, and the controller between upper and lower cleaning system；The upper cleaning system is included positioned at housing upper is left and right, upper air inlet of leading flank, the upper air outlet positioned at housing top surface, the clean air package and blower fan set gradually along housing upper airflow direction；Lower cleaning system includes the lower air inlet and lower air outlet at left and right sides of lower housing portion, and the clean air package and blower fan set gradually along lower housing portion airflow direction；The clean air package includes particulate filter, ozone filter and the formaldehyde or TVOC filters set gradually along airflow direction.The multifunctional air purifier forms space multistory omnibearing airflow, and noise is low, and purification efficiency is high, while effectively filters dust granules, can remove formaldehyde, TVOC realizes that multifunctional purifying air prevents secondary pollution.
Description
Technical field
A kind of air cleaning system, more particularly to a kind of multifunctional air purifier are the utility model is related to, belongs to Internet of Things
Network technology field.
Background technology
As outdoor air pollution is increasingly severe, while the pollution sources such as interior decoration, oil smoke further aggravate indoor dirt
Dye, indoor PM2.5, formaldehyde, TVOC severe overweights, very big injury, increasing person is caused to the physical and mental health of people
With air purifier come the air in clean room.
Many air purifiers remove the particulate matter generally use high efficiency particulate air filter in air now, and high efficiency particulate air filter is usual
The folding of material such as filter screen, rubber plate paper, aluminum foil plate is made using ultra-fine fibre glass paper and makees fragmenting plate, New Type Polyurethane Adhesive is close
Envelope, and be made up using galvanized sheet, stainless steel plate, aluminium alloy extrusions of housing.Although high efficiency particulate air filter efficiency high, resistance is big,
The internal drag of unit can be increased while efficiency is improved, equivalent to the energy consumption for adding unit, filter screen is when using one section
Between after, it is necessary to regularly replace, add the maintenance cost in later stage.At present air purifier remove gaseous contaminant such as formaldehyde,
TVOC etc. is inefficient, and secondary pollution be present, the mode that the removal simultaneously for microorganism intercepts using filtering, this
Removing method can produce secondary pollution after air purifier uses a period of time, and screen pack turns into the basis of microbial reproduction,
Room air is polluted after microorganism amount reproduction.
It would therefore be highly desirable to solve the above problems.
Utility model content
Purpose of utility model：The purpose of this utility model be to provide it is a kind of it is easy to clean, can effectively remove formaldehyde, TVOC,
Microorganism, which can be killed, prevents the multifunctional air purifier of secondary pollution simultaneously.
Technical scheme：A kind of multifunctional air purifier described in the utility model, including housing, in housing mutually
Independent and setting up and down upper cleaning system and lower cleaning system, and the controller between upper and lower cleaning system；It is described
Upper cleaning system include positioned at housing upper is left and right, upper air inlet of leading flank, the upper air outlet positioned at housing top surface, along shell
The clean air package and blower fan that body upper air direction is set gradually；The lower cleaning system is included positioned at lower housing portion or so
The lower air inlet of both sides and lower air outlet, and the clean air package and blower fan set gradually along lower housing portion airflow direction；
The clean air package includes particulate filter, ozone filter and formaldehyde or the TVOC mistakes set gradually along airflow direction
Filter.Reach up and down using upper and lower two cleaning systems that two systems are vertical, horizontal direction is same in the multifunctional air purifier
When purify the air of a room, form space multistory omnibearing airflow, noise is lower compared with the identical air quantity of single direction, simultaneously
Purification efficiency is higher, while effectively filters dust granules, while removable formaldehyde, TVOC realize that multifunctional purifying air prevents two
Secondary pollution.
Wherein, the upper air inlet, upper air outlet, lower air inlet and lower air outlet are made up of regular hexagon opening
Air port.The air port can ensure that intake is maximum under conditions of same area.
Preferably, the particulate filter include set gradually in air harmful substance charge charging module and
For adsorbing the dust collection module of harmful substance powered in air；Wherein described charging module include the thin plate with borehole structure and
Alloy electrode with needlepoint electrode, the needlepoint electrode are located at center of circular hole position；The dust collection module includes cellular collection
Dirt plate.Needlepoint electrode produces corona discharge with bore edges in charging module, and the dust granules for making to move in air are by justifying
Kong Shike is electrically charged and carries electronics；In addition the anion beneficial to human body can also be produced.Dust collection module is that dielectric is carrier
Intensive highfield, when powered dust granules enter cellular debris collection area with air-flow, dust granules being electrically charged and thin
Bacterium particle is attracted on the inner surface of hollow cavity in the presence of the highfield, to reach catharsis, avoids microorganism
Room air is polluted after amount reproduction；In addition the particulate filter is easy to clean, and consumptive material is not produced during use, and cost is low
It is honest and clean.
Further, the ozone filter includes the cellular aluminium base that surface is coated with the catalyst for ozone decomposition
Material.
Preferably, formaldehyde or the TVOC filter includes corrugated honeycomb shape base material, base made of all-glass paper
Material surface spraying has the medicament for formaldehyde adsorption or TVOC.
Preferably, the controller includes separation box body and the separating cover plate being mutually adapted, and master is provided with the partition box body
Control plate and two blower fan electric capacity.
Further, the separating cover plate is made up of two pieces of plates being hinged, and several radiatings are evenly equipped with the plate
Hole.
Furthermore in addition to for detecting sensor, driving plate and the high voltage power supply output module of IAQ, it is described
Master control borad is connected with sensor and driving plate respectively, the driving plate successively with high voltage power supply output module and particulate filter
It is connected；The master control borad includes input module, control computing circuit and control output module；The sensor will detect
Indoor PM2.5 values, ozone concentration are inputted to master control borad, and master control borad is based on PID arithmetic method output pwm voltage signal to drive
Dynamic plate, driving plate export 6~12V variable DC voltages to high voltage power supply output module, and the high voltage power supply output module is by again
Pressure boosting processing exports 4kv~8kv DC high-voltage power supplies to particulate filter.
Existing driving plate output voltage is 8/12V fixed values, and high tension voltage output module output voltage is consolidated for 6kv/8kv
Definite value, particulate filter are chronically at the state of operating at full capacity；The utility model uses fuzzy PID algorithm, by particulate matter mistake
The operating voltage of filter connects with IAQ, and according to IAQ situation, by particulate filter
Working condition is adjusted to automatically adjust from being partly loaded onto complete carry, and both can effectively control energy consumption, it is possibility to have effect reduces ozone
Amount.
Beneficial effect：Compared with prior art, its advantage is the utility model：It is sharp first in the multifunctional air purifier
Reach vertical two systems up and down, horizontal direction with upper and lower two cleaning systems while purify the air of a room, form space and stand
Body omnibearing airflow, noise is lower compared with the identical air quantity of single direction, while purification efficiency is higher, while effectively filters dust
Particle, while removable formaldehyde, TVOC realize that multifunctional purifying air prevents secondary pollution；Secondly should be by regular hexagon opening group
Into air port can ensure that under conditions of same area intake is maximum；Furthermore dust collection module is that dielectric is the intensive strong of carrier
Electric field, when powered dust granules enter cellular debris collection area with air-flow, the dust granules and bacteria particles being electrically charged exist
It is attracted in the presence of the highfield on the inner surface of hollow cavity, to reach catharsis, avoids microorganism amount reproduction
After pollute room air；In addition the particulate filter is easy to clean, and consumptive material is not produced during use, and cost is cheap；Also
The utility model uses fuzzy PID algorithm, and the operating voltage of particulate filter is connected with IAQ, and root
According to IAQ situation, the working condition of particulate filter is adjusted to automatically adjust from being partly loaded onto complete carry, both can be with
Effectively control energy consumption, it is possibility to have effect reduces ozone generating capacity.
Brief description of the drawings
Fig. 1 is internal structure schematic diagram of the present utility model；
Fig. 2 is the structural representation of controller in the utility model；
Fig. 3 is control principle drawing in the utility model；
Fig. 4 is stereogram of the present utility model；
Fig. 5 is front view of the present utility model；
Fig. 6 is PID arithmetic method schematic in the utility model.
Embodiment
The technical solution of the utility model is described further below in conjunction with the accompanying drawings.
As shown in Figure 1, Figure 4 and Figure 5, the utility model discloses a kind of multifunctional air purifier, including housing 1, position
In upper cleaning system separate and setting up and down in housing 1 and lower cleaning system, and between upper and lower cleaning system
Controller 2.Upper cleaning system include positioned at housing upper is left and right, upper air inlet 3 of leading flank, positioned at the upper of housing top surface
Air outlet 4, the clean air package set gradually along housing upper airflow direction and blower fan 5；The lower cleaning system includes position
Lower air inlet 6 and lower air outlet 7 at left and right sides of lower housing portion, and the air set gradually along lower housing portion airflow direction
Purification assembly and blower fan 5.Wherein, upper air inlet 3, upper air outlet 4, lower air inlet 6 and lower air outlet 7 are opened by regular hexagon
The air port of mouth composition.The air port can ensure that intake is maximum under conditions of same area.
Above-mentioned clean air package includes particulate filter 8, ozone filter 9 and the first set gradually along airflow direction
Aldehyde or TVOC filters 10.Reach two systems up and down using upper and lower two cleaning systems in the multifunctional air purifier to hang down
Directly, horizontal direction purifies the air of a room simultaneously, forms space multistory omnibearing airflow, is made an uproar compared with the identical air quantity of single direction
Sound is lower, while purification efficiency is higher, while effectively filters dust granules, at the same can remove formaldehyde, TVOC realize it is multi-functional net
Changing air prevents secondary pollution.Particulate filter 8 includes the charging module to be charged for harmful substance in air set gradually
With the dust collection module for adsorbing harmful substance powered in air；Wherein described charging module includes the thin plate with borehole structure
With the alloy electrode with needlepoint electrode, the needlepoint electrode is located at center of circular hole position；The dust collection module includes cellular
Collecting plate.Ozone filter 9 includes the cellular aluminium base that surface is coated with the catalyst for ozone decomposition.Formaldehyde or TVOC
Filter 10 includes the corrugated honeycomb shape base material made of all-glass paper, the substrate surface be coated with for formaldehyde adsorption or
TVOC medicament.Dust collection module is the intensive highfield that dielectric is carrier, when powered dust granules enter honeycomb with air-flow
The debris collection area of shape, the dust granules being electrically charged and bacteria particles are attracted in hollow cavity in the presence of the highfield
On surface, to reach catharsis, room air is polluted after avoiding microorganism amount reproduction；In addition the particulate filter is easy to
Cleaning, does not produce consumptive material, cost is cheap during use.
As shown in Fig. 2 controller 2 includes the separation box body 11 that is mutually adapted and separating cover plate 12, in the separation box body 11
Provided with master control borad 13 and two blower fan electric capacity 14.Separating cover plate 12 is made up of two pieces of plates being hinged, uniform on the plate
There are several heat emission holes.Separating cover plate 12, which can be opened, facilitates circuit to overhaul, and good heat dissipation effect.
As shown in Figure 3 and Figure 6, the utility model also includes being used for sensor 15, the driving plate for detecting IAQ
16 and high voltage power supply output module 17, the master control borad 13 be connected respectively with sensor 15 and driving plate 16, the driving plate 16
It is connected successively with high voltage power supply output module 17 and particulate filter 8；The master control borad 13 includes input module 18, control
Computing circuit 19 and control output module 20；The sensor 15 inputs the indoor PM2.5 values detected, ozone concentration to master
Plate 13 is controlled, master control borad 13 is based on PID arithmetic method and exports pwm voltage signal to driving plate 16, the output of driving plate 16 6~
12V variable DC voltages are to high voltage power supply output module 17, and the high voltage power supply output module 17 is by voltage-doubling boost processing output
4kv~8kv DC high-voltage power supplies are to particulate filter 8.
Wherein, the PID arithmetic method comprises the following steps：
1) input module 18 is with IAQ detected value and the deviation e and change of error of air quality setting value
Rate Δ e is PM2.5 concentration as input variable, wherein IAQ detected value, and air quality setting value is PM2.5 concentration
Desired value 0；Input variable is divided into 7 grades for corresponding to air quality classification respectively, and 7 grades are respectively 0/15/35/50/75/
125/150, pure, American-European top grade quality, Chinese top grade quality, Chinese good grade quality, slight pollution quality, moderate are corresponded to respectively
Pollute quality and serious pollution quality；
2) the control computing circuit 19 enters to the proportionality coefficient kp in pid algorithm, integral coefficient ki and differential coefficient kd
Row blurring computing,
Kp=Kp'+Qp × △ Kp
Wherein, Kp' is the initial value of proportionality coefficient, and Qp is ratio variation coefficient, and △ Kp are the Kp regulations that fuzzy rule obtains
Value；
Ki=Ki'+Qi × △ Ki
Wherein, Ki' is the initial value of integral coefficient, and Qi is integration variation coefficient, and △ Ki are the Ki regulations that fuzzy rule obtains
Value；
Kd=Kd'+Qd × △ Kd
Wherein, Kd' is the initial value of differential coefficient, and Qd is differential variation coefficient, and △ Kd are the Kd regulations that fuzzy rule obtains
Value；
Take 50 to be worth for domain 0, e, Δ e domain are [- 3 ,+3], be separated into 7 grades i.e. [- 3, -2, -1,0 ,+1 ,+
2 ,+3]；By adjusting Kp, Ki and Kd parameter in pid algorithm, control computing circuit 19 is controlled to obtain proportionality coefficient
Kp, integral coefficient ki, differential coefficient kd domain are：Kp [- 0.3, -0.2, -0.1,0,0.1,0.2,0.3], Ki [- 0.06, -
0.04, -0.02,0,0.02,0.04,0.06], Kd [- 3, -2, -1,0,1,2,3]；
(3) control output module 20 output stable pwm voltage signal U, wherein e, Δ e, kp, ki, kd's
Fuzzy field is：Negative big [NB], it is negative in [NM], bear small [NS], zero [ZO], just small [PS], center [PM], honest [PB]；Then by
E, Δ e membership functions draw corresponding fuzzy variable according to maximum value process；
Pid algorithm is：IF e is NB andΔe then kp；IF e is NB andΔe then ki；IF e is
NB andΔe then kd；
Then maximum membership degree method is used, carries out anti fuzzy method；Summarized according to pid parameter setting principle and experimental data,
Obtain output quantity U：
The utility model uses fuzzy PID algorithm, and the operating voltage of particulate filter is contacted with IAQ
Get up, and according to IAQ situation, the working condition of particulate filter is adjusted to complete to be downloaded from dynamic tune from being partly loaded onto
Section, both can effectively control energy consumption, it is possibility to have effect reduces ozone generating capacity.
Claims (8)
- A kind of 1. multifunctional air purifier, it is characterised in that：Including housing (1), in housing (1) independently of each other and up and down The upper cleaning system and lower cleaning system set, and the controller (2) between upper and lower cleaning system；The upper purification System include positioned at housing upper is left and right, upper air inlet (3) of leading flank, the upper air outlet (4) positioned at housing top surface, along shell The clean air package and blower fan (5) that body upper air direction is set gradually；The lower cleaning system includes being located at lower housing portion The lower air inlet (6) and lower air outlet (7) of the left and right sides, and the purification of air group set gradually along lower housing portion airflow direction Part and blower fan (5)；The clean air package includes particulate filter (8), the ozone filtering set gradually along airflow direction Device (9) and formaldehyde or TVOC filters (10).
- 2. multifunctional air purifier according to claim 1, it is characterised in that：The upper air inlet (3), upper air outlet (4), the air port that lower air inlet (6) and lower air outlet (7) are made up of regular hexagon opening.
- 3. multifunctional air purifier according to claim 1, it is characterised in that：The particulate filter (8) includes The charging module to be charged for harmful substance in air set gradually and the dust for adsorbing harmful substance powered in air Module；Wherein described charging module includes the thin plate with borehole structure and the alloy electrode with needlepoint electrode, the needlepoint electrode Positioned at center of circular hole position；The dust collection module includes cellular collecting plate.
- 4. multifunctional air purifier according to claim 1, it is characterised in that：The ozone filter (9) includes table Face is coated with the cellular aluminium base of the catalyst for ozone decomposition.
- 5. multifunctional air purifier according to claim 1, it is characterised in that：Formaldehyde or the TVOC filter (10) Including the corrugated honeycomb shape base material made of all-glass paper, the substrate surface is coated with the medicine for formaldehyde adsorption or TVOC Agent.
- 6. multifunctional air purifier according to claim 1, it is characterised in that：The controller (2) includes mutually suitable The separation box body (11) and separating cover plate (12) matched somebody with somebody, the separation box body (11) is interior to be provided with master control borad (13) and two blower fan electric capacity (14)。
- 7. multifunctional air purifier according to claim 6, it is characterised in that：The separating cover plate (12) is by two pieces of phases Mutually be hinged plate is formed, and several heat emission holes are evenly equipped with the plate.
- 8. multifunctional air purifier according to claim 6, it is characterised in that：Also include being used to detect room air matter Sensor (15), driving plate (16) and the high voltage power supply output module (17) of amount, the master control borad (13) respectively with sensor (15) be connected with driving plate (16), the driving plate (16) successively with high voltage power supply output module (17) and particulate filter (8) it is connected；The master control borad (13) includes input module (18), control computing circuit (19) and control output module (20)； The indoor PM2.5 values detected, ozone concentration are inputted to master control borad (13), master control borad (13) and are based on by the sensor (15) PID arithmetic method exports pwm voltage signal to driving plate (16), driving plate (16) output 6~12V variable DC voltages To high voltage power supply output module (17), the high voltage power supply output module (17) is by voltage-doubling boost processing output 4kv~8kv direct currents High voltage power supply is to particulate filter (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720332489.1U CN206831719U (en) | 2017-03-31 | 2017-03-31 | Multifunctional air purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720332489.1U CN206831719U (en) | 2017-03-31 | 2017-03-31 | Multifunctional air purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206831719U true CN206831719U (en) | 2018-01-02 |
Family
ID=60766630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720332489.1U Expired - Fee Related CN206831719U (en) | 2017-03-31 | 2017-03-31 | Multifunctional air purifier |
Country Status (1)
| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106931559A (en) * | 2017-03-31 | 2017-07-07 | 江苏万全科技有限公司 | Multifunctional air purifier |
| CN109140594A (en) * | 2018-08-23 | 2019-01-04 | 珠海格力电器股份有限公司 | air conditioner |
| CN110701746A (en) * | 2019-10-25 | 2020-01-17 | 广东美的制冷设备有限公司 | Air purification control method and device, air conditioner and storage medium |
| CN112275086A (en) * | 2020-09-15 | 2021-01-29 | 青岛道一空优科技有限公司 | Purification device for removing formaldehyde in indoor air |
-
2017
- 2017-03-31 CN CN201720332489.1U patent/CN206831719U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106931559A (en) * | 2017-03-31 | 2017-07-07 | 江苏万全科技有限公司 | Multifunctional air purifier |
| CN109140594A (en) * | 2018-08-23 | 2019-01-04 | 珠海格力电器股份有限公司 | air conditioner |
| CN110701746A (en) * | 2019-10-25 | 2020-01-17 | 广东美的制冷设备有限公司 | Air purification control method and device, air conditioner and storage medium |
| CN112275086A (en) * | 2020-09-15 | 2021-01-29 | 青岛道一空优科技有限公司 | Purification device for removing formaldehyde in indoor air |
| CN112275086B (en) * | 2020-09-15 | 2021-08-06 | 青岛道一空优科技有限公司 | Purification device for removing formaldehyde in indoor air |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180102 |