CN206656447U - A kind of indoor household Detection of Air Quality and purifier - Google Patents
A kind of indoor household Detection of Air Quality and purifier Download PDFInfo
- Publication number
- CN206656447U CN206656447U CN201720272908.7U CN201720272908U CN206656447U CN 206656447 U CN206656447 U CN 206656447U CN 201720272908 U CN201720272908 U CN 201720272908U CN 206656447 U CN206656447 U CN 206656447U
- Authority
- CN
- China
- Prior art keywords
- fan
- air
- screen pack
- collection chamber
- purifier
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- 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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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
It the utility model is related to air purification field, more particularly to a kind of indoor household Detection of Air Quality and purifier, including atmosphere temperature rising device, air cooling-down device and collection chamber, the atmosphere temperature rising device includes the first fan, connected between the air outlet and collection chamber of first fan by spiral helicine heating tube, the first screen pack is installed between first fan and heating tube, the second screen pack is installed positioned at the air inlet of the first fan；The air cooling-down device includes the second fan, connected between the air outlet and collection chamber of second fan by spiral helicine condenser pipe, the 3rd screen pack is installed between second fan and condenser pipe, the air inlet of second fan is provided with the 4th screen pack, and the top cover of tower is provided with the top of the collection chamber；Air detecting device is installed on the outer wall of the collection chamber.It is of the present utility model compared to prior art it is simple in construction, energy consumption is small, can be by the water resource secondary use in air.
Description
Technical field
The present invention relates to air purification field, more particularly to a kind of indoor household Detection of Air Quality and purifier.
Background technology
Purification of air refers to remove haze for various environmental problems offer sterilizing, the depositing dust of interior, dispels harmful finishing
The total solution such as residual and peculiar smell, raising is made the life better, office conditions, is promoted physically and mentally healthy.Indoor environmental pollution thing
Mainly include radgas, mould, particulate matter, finishing residual, second-hand-cigarette etc. with pollution source.
Existing air purifying process have photocatalysis technology, photocatalysis technology, photocatalysis technology, HEPA filter screens, activated carbon,
Purifying plant, grafting high molecular polymerization technology, ecological anion generation chip technology etc., the reality derived using these technologies
Product commercially has a lot, but these products generally only possess single air-cleaning function, and cost is high and energy consumption is big.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of indoor household Detection of Air Quality and purification
Device, its is simple in construction, energy consumption is small, using solar energy itself to provide power supply, and is produced using heating tube and condenser pipe
Air, both is met in collection chamber and produce water so as to by the water resource secondary use in air.
To solve the above problems, the present invention provides following technical scheme：
A kind of indoor household Detection of Air Quality and purifier, including atmosphere temperature rising device, air cooling-down device and collection
Air chamber, the atmosphere temperature rising device include the first fan, pass through spiral between the air outlet and collection chamber of first fan
The heating tube of shape connects, and is provided with heater strip in the tube wall of the heating tube, is provided between first fan and heating tube
First screen pack, the second screen pack is installed positioned at the air inlet of the first fan；The air cooling-down device includes second
Fan, connected between the air outlet and collection chamber of second fan by spiral helicine condenser pipe, second fan with it is cold
The 3rd screen pack is installed between solidifying pipe, the air inlet of second fan is provided with the 4th screen pack, the gas collection ceiling
Portion is provided with the top cover of tower, the bottom of the top cover be surrounded by it is multiple stretch out provided with contiguous block, the top cover passes through more
Individual contiguous block is overlapped at the top of collection chamber, and is fixed by screw, and gas outlet is provided between the contiguous block and contiguous block；
Air detecting device is installed on the outer wall of the collection chamber, the air detecting device electrically connects with the first fan and the second fan
Connect.
Further, the installation set of a rectangle, the inner wall lower of the installation set are provided with the right side of the back of the collection chamber
The first mounting blocks provided with four rectangular distributions, the bottom of the heating tube are provided with the first connecting portion of rectangle, first company
Socket part is overlapped on four the first mounting blocks and is secured to connect by screw；First screen pack is connected to four first
The bottom of mounting blocks, first fan are connected positioned at the first filtering sieve bottom and being contradicted with it, first screen pack and the
The unthreaded hole for installation is equipped with one fan, the bottom of the installation set is provided with the first ladder platform of rectangle, second mistake
Filter screen is connected in the first ladder platform, and the bottom in the installation set positioned at the second screen pack is provided with the first screen.
Further, the left dorsal of the collection chamber is welded with the support of L-type, the left side side wall of the support and installation set
Between be provided with the cavity of a rectangle, the cavity top is provided with the second mounting blocks of four rectangular distributions, the bottom of the condenser pipe
Portion is provided with the second connecting portion of rectangle, and the second connecting portion passes through screw connection, second screen pack with the second contiguous block
The bottom of four the second mounting blocks is connected to, second fan filters sieve bottom and contradicted with it and is connected positioned at the 3rd, and the 3rd
The unthreaded hole for installation is equipped with screen pack and the second fan, is total between the left side wall bottom of the frame bottom and installation set
The second rectangular ladder platform of similar shape, the 4th screen pack are connected in the second ladder platform, and the frame bottom is located at the 4th
The bottom of screen pack is provided with the second screen.
Further, the upper end of the condenser pipe and the upper end of heating tube are equipped with a ring flange, on the collection chamber
Corresponding condenser pipe and heating tube offer air inlet, and each air inlet is corresponded on the inwall of the collection chamber and is mounted on one
Pipeline, the pipeline are extended horizontally to from air inlet immediately below top cover.
Further, the side wall of the collection chamber is provided with water pump, and the water pump connects with collection chamber bottom.
Further, liquid level sensor, the liquid level sensor and the first fan and second are installed in the collection chamber
Fan is electrically connected with.
Further, the sidepiece of the collection chamber is located at the side of water pump and is provided with battery case, and the sidepiece of the battery case is set
There is USB.
Further, solar charging panel is also included, the solar charging panel is connected with USB.
Further, the bottom of the collection chamber is provided with two symmetrical connectors, and one end of connector passes through spiral shell
Bolt is fixedly connected with collection chamber, and the other end of connector is provided with unthreaded hole.
Further, the front portion of the collection chamber is provided with two symmetrical suspension hooks, and two suspension hooks are removably installed
On collection chamber.
Beneficial effect：A kind of indoor household Detection of Air Quality and purifier of the present invention, utilizes air detecting device
IAQ is detected, certain index arrive when air quality is low, air detecting device transmission electric signal is to the first fan and the
Two fans；Extraneous air is absorbed during first fan work, passes air through the first screen pack and second made of activated carbon
Screen pack is sent into collection chamber by purification of air, and by the air after purification by heating tube；Inhaled during second fan work
Extraneous air is received, passes air through the 3rd screen pack and the 4th screen pack made of activated carbon by purification of air, and by after purification
Air pass through condenser pipe made of copper be sent into collection chamber in；Clean air can discharge from the gas outlet at the top of collection chamber, and cold
Air is mutually met and get along well in collection chamber with hot-air and the globule is accumulated on top cover and drops to collection chamber bottom, so as to by air
Water secondary use；It is simple compared to the structure of prior art, energy consumption is small, and using solar energy itself to provide electricity
Source, the water resource secondary use in air, therefore its practicality is stronger.
Brief description of the drawings
Fig. 1 is dimensional structure diagram one of the present invention,
Fig. 2 is dimensional structure diagram two of the present invention,
Fig. 3 is dimensional structure diagram three of the present invention,
Fig. 4 is overlooking the structure diagram of the present invention,
Fig. 5 is the schematic cross-sectional view that the present invention prolongs line A-A in Fig. 4,
Fig. 6 is the schematic cross-sectional view that the present invention prolongs line B-B in Fig. 4,
Fig. 7 decomposes assembling structure schematic diagram for the present invention,
Fig. 8 is working state schematic representation of the present invention.
Description of reference numerals：Atmosphere temperature rising device 1, the first fan 1a, heating tube 1b, first connecting portion 1b1, the first filtering
Net 1c, the second screen pack 1d, air cooling-down device 2, the second fan 2a, condenser pipe 2b, second connecting portion 2b1, the 3rd screen pack
2c, the 4th screen pack 2d, collection chamber 3, air inlet 3a, pipeline 3b, connector 3c, suspension hook 3d, top cover 4, contiguous block 4a, gas outlet
4b, installation set 5, the first mounting blocks 5a, the first ladder platform 5b, the first screen 5c, support 6, cavity 6a, the second mounting blocks 6b, the
Two ladder platform 6c, the second screen 6d, water pump 7, battery case 8, USB 8a, liquid level sensor 9.
Embodiment
With reference to Figure of description and embodiment, the specific embodiment of the present invention is described in further detail：
A kind of indoor household Detection of Air Quality and purifier according to Fig. 1 to Fig. 8, including atmosphere temperature rising device
1st, air cooling-down device 2 and collection chamber 3, the atmosphere temperature rising device 1 include the first fan 1a, and the first fan 1a's goes out
Connected between air port and collection chamber 3 by spiral helicine heating tube 1b, heater strip is installed in the tube wall of the heating tube 1b, institute
State and the first screen pack 1c is installed between the first fan 1a and heating tube 1b, is provided with positioned at the first fan 1a air inlet
Two screen pack 1d；The air cooling-down device 2 includes the second fan 2a, the second fan 2a air outlet and collection chamber 3
Between by spiral helicine condenser pipe 2b connect, the 3rd screen pack 2c is installed between the second fan 2a and condenser pipe 2b,
The air inlet of the second fan 2a is provided with the 4th screen pack 2d, and the top of collection chamber 3 is provided with the top cover 4 of tower, institute
State top cover 4 bottom be surrounded by it is multiple stretch out be overlapped on provided with contiguous block 4a, the top cover 4 by multiple contiguous block 4a
The top of collection chamber 3, and be fixed by screw, gas outlet 4b is provided between the contiguous block 4a and contiguous block 4a；The collection
Air detecting device (not shown) is installed, the air detecting device and the first fan 1a and second on the outer wall of air chamber 3
Fan 2a is electrically connected with.
The air detecting device is used to detect IAQ, and certain index, air detection are arrived when air quality is low
Device sends electric signal to the first fan 1a and the second fan 2a；Absorbing extraneous air during the first fan 1a work makes air
Pass through heating by purification of air, and by the air after purification by the first screen pack 1c made of activated carbon and the second screen pack 1d
Pipe 1b is sent into collection chamber 3；Extraneous air is absorbed during the second fan 2a work to pass air through the 3rd made of activated carbon
Screen pack 2c and the 4th screen pack 2d are sent into collection chamber by purification of air, and by the air after purification by condenser pipe 2b made of copper
In 3；Clean air can be from the gas outlet 4b discharges at the top of collection chamber 3, and cold air is mutually met and get along well with hot-air in collection chamber 3
The globule is accumulated on top cover 4 and drops to the bottom of collection chamber 3, the water in collection chamber 3 can be used for potted plant pouring.
The installation set 5 of a rectangle is provided with the right side of the back of the collection chamber 3, the top and bottom of the installation set 5 are all provided with
There is the opening of rectangle, the inner wall lower of the installation set 5 is provided with the first mounting blocks 5a of four rectangular distributions, the heating tube
1b bottom is provided with the first connecting portion 1b1 of rectangle, and the heating tube 1b self installations cover 5 open tops and are plugged into peace straight down
In encapsulation 5, first connecting portion 1b1 is overlapped on four the first mounting blocks 5a and is secured to connect by screw；Described first
Screen pack 1c self installations cover 5 bottom openings and are plugged into straight up in installation set 5, and the first screen pack 1c is connected to four first
On mounting blocks 5a, the first fan 1a self installations cover 5 bottom openings and are plugged into straight up in installation set 5, and are connected to the
On one screen pack 1c, the unthreaded hole for installation is equipped with the first screen pack 1c and the first fan 1a, is worn successively by long screw
Cross the first fan 1a and unthreaded hole on the first screen pack 1c and be threadedly coupled with the first mounting blocks 5a, so as to by the first screen pack 1c
It is fixedly mounted on on the first fan 1a in installation set 5, the bottom of the installation set 5 is provided with the first ladder platform 5b of rectangle, institute
State the second screen pack 1d to be connected on the first ladder platform 5b, the bottom in the installation set 5 positioned at the second screen pack 1d is provided with
First screen 5c.
First screen 5c is unloaded the second screen pack 1d self installations can be covered in 5 and taken out, to facilitate cleaning, then by long screw
Unload, will can be taken out successively in the first fan 1a and the first screen pack 1c self installations set 5, to facilitate the first fan 1a maintenance more
Change the cleaning with the first screen pack 1c.
The left dorsal of the collection chamber 3 is welded with the support 6 of L-type, between the support 6 and the left side side wall of installation set 5
The second mounting blocks 6b, the condenser pipe 2b of four rectangular distributions is provided with the top of cavity 6a provided with a rectangle, cavity 6a
Bottom be provided with rectangle second connecting portion 2b1, the second connecting portion 2b1 and the second contiguous block 4a pass through screw connection, institute
State the 3rd screen pack 2c to be plugged into straight up in cavity 6a from cavity 6a bottoms, and the second screen pack 1d is connected to four second
On mounting blocks 6b, the second fan 2a is plugged into cavity 6a straight up from cavity 6a bottoms, and is connected to the 3rd filtering
Net on 2c, the unthreaded hole for installation is equipped with the 3rd screen pack 2c and the second fan 2a, second is sequentially passed through by long screw
Fan 2a and unthreaded hole on the 3rd screen pack 2c are simultaneously threadedly coupled with the second mounting blocks 6b, so as to by the second screen pack 1d and second
It is fixedly mounted on fan 2a in cavity 6a, rectangle is collectively forming between the bottom of support 6 and the left side wall bottom of installation set 5
The second ladder platform 6c, the 4th screen pack 2d is connected on the second ladder platform 6c, and the bottom of support 6 is positioned at the 4th filtering
Net 2d bottom is provided with the second screen 6d.
Second screen 6d is unloaded and the 4th screen pack 2d can be taken out from cavity 6a, to facilitate cleaning, then by long screw
Unload, successively can take out the second fan 2a and the 3rd screen pack 2c from cavity 6a, to facilitate the second fan 2a maintenance more
Change the cleaning with the 3rd screen pack 2c.
The upper end of the condenser pipe 2b and heating tube 1b upper end are equipped with a ring flange, for being fixedly mounted, institute
State and condenser pipe 2b and heating tube 1b is corresponded on collection chamber 3 offer air inlet 3a, it is corresponding each on the inwall of the collection chamber 3
Air inlet 3a is mounted on a pipeline 3b, and pipeline 3b's extends horizontally to from air inlet 3a immediately below top cover 4, the pipeline
3b is used to prevent air from arranging directly from gas outlet 4b, using the pipeline 3b air can be made to gather at the top of top cover 4
Product.
The side wall of the collection chamber 3 is provided with water pump 7, and the water pump 7 connects with the bottom of collection chamber 3, and the water pump 7 is used to collect
Water in air chamber 3 is extracted out, and water is delivered into potted plant place by water pipe.
Liquid level sensor 9, the fan 1a of liquid level sensor 9 and first and the second fan are installed in the collection chamber 3
2a is electrically connected with, and the liquid level sensor 9 is used to detect the water in collection chamber 3, to prevent water spill-over from going out.
The side that the sidepiece of the collection chamber 3 is located at water pump 7 is provided with battery case 8, and electric power storage electricity can be installed in the battery case 8
Pond, the sidepiece of the battery case 8 are provided with USB 8a, and the battery case 8 is used for the bulk supply of the present invention, can pass through electric power storage electricity
Pond powers, and can be also connected by USB 8a with external power source.
The present invention is additionally provided with solar charging panel (not shown), and the solar charging panel is connected with USB 8a, can
Using solar powered, to save the energy.
The bottom of the collection chamber 3 is provided with two symmetrical connector 3c, connector 3c one end by bolt with
Collection chamber 3 is fixedly connected, and the connector 3c other end is provided with unthreaded hole.The two connector 3c other end can be fixedly mounted on office
The bottom of table, make the present invention vacantly outside desk, to save space.
The front portion of the collection chamber 3 is detachably arranged in collection provided with symmetrical two suspension hooks 3d, two suspension hook 3d
On air chamber 3, by the way that two suspension hook 3d can directly hanging be on flowerpot by the present invention, to save space.
The above described is only a preferred embodiment of the present invention, any limit not is made to the technical scope of the present invention
System, therefore any subtle modifications, equivalent variations and modifications that every technical spirit according to the present invention is made to above example,
In the range of still falling within technical scheme.
Claims (10)
1. a kind of indoor household Detection of Air Quality and purifier, it is characterised in that：Including atmosphere temperature rising device (1), air
Heat sink (2) and collection chamber (3), the atmosphere temperature rising device (1) include the first fan (1a), first fan (1a)
Air outlet and collection chamber (3) between connected by spiral helicine heating tube (1b), installed in the tube wall of the heating tube (1b)
There is heater strip, the first screen pack (1c) is installed between first fan (1a) and heating tube (1b), positioned at the first fan
The air inlet of (1a) is provided with the second screen pack (1d)；The air cooling-down device (2) includes the second fan (2a), described
Connected between the air outlet of second fan (2a) and collection chamber (3) by spiral helicine condenser pipe (2b), second fan
3rd screen pack (2c) is installed, the air inlet of second fan (2a) is provided with the 4th between (2a) and condenser pipe (2b)
Screen pack (2d), is provided with the top cover (4) of tower at the top of the collection chamber (3), the bottom of the top cover (4) be surrounded by it is multiple to
Outer extension is provided with contiguous block (4a), and the top cover (4) is overlapped at the top of collection chamber (3) by multiple contiguous blocks (4a), and is passed through
Screw is fixed, and gas outlet (4b) is provided between the contiguous block (4a) and contiguous block (4a)；The outer wall of the collection chamber (3)
On air detecting device is installed, the air detecting device and the first fan (1a) and the second fan (2a) are electrically connected with.
2. a kind of indoor household Detection of Air Quality according to claim 1 and purifier, it is characterised in that：The collection
The installation set (5) of a rectangle is provided with the right side of the back of air chamber (3), the inner wall lower of the installation set (5) is rectangular provided with four
The first mounting blocks (5a) of distribution, the bottom of the heating tube (1b) are provided with the first connecting portion (1b1) of rectangle, first connection
Portion (1b1) is overlapped on four the first mounting blocks (5a) and is secured to connect by screw；First screen pack (1c) is supported
The bottom of four the first mounting blocks (5a) is connected on, first fan (1a) is located at the first screen pack (1c) bottom and contradicted with it
Connect, the unthreaded hole for installation, the bottom of the installation set (5) are equipped with first screen pack (1c) and the first fan (1a)
Portion is provided with the first ladder platform (5b) of rectangle, and second screen pack (1d) is connected in the first ladder platform (5b), the installation
Bottom on set (5) positioned at the second screen pack (1d) is provided with the first screen (5c).
3. a kind of indoor household Detection of Air Quality according to claim 2 and purifier, it is characterised in that：The collection
The left dorsal of air chamber (3) is welded with the support (6) of L-type, and one is provided between the support (6) and the left side side wall of installation set (5)
The cavity (6a) of rectangle, the cavity (6a) top are provided with the second mounting blocks (6b) of four rectangular distributions, the condenser pipe
The bottom of (2b) is provided with the second connecting portion (2b1) of rectangle, and the second connecting portion (2b1) passes through spiral shell with the second contiguous block (4a)
Silk connection, second screen pack (1d) are connected to the bottom of four the second mounting blocks (6b), and second fan (2a) is located at
3rd screen pack (2c) bottom and being contradicted with it is connected, and is equipped with the 3rd screen pack (2c) and the second fan (2a) for installing
Unthreaded hole, the second ladder platform of rectangle is collectively forming between support (6) bottom and the left side wall bottom of installation set (5)
(6c), the 4th screen pack (2d) are connected in the second ladder platform (6c), and support (6) bottom is located at the 4th screen pack
The bottom of (2d) is provided with the second screen (6d).
4. a kind of indoor household Detection of Air Quality according to claim 1 and purifier, it is characterised in that：It is described cold
The upper end of solidifying pipe (2b) and the upper end of heating tube (1b) are equipped with a ring flange, and condenser pipe is corresponded on the collection chamber (3)
(2b) and heating tube (1b) offer air inlet (3a), and it is equal that each air inlet (3a) is corresponded on the inwall of the collection chamber (3)
One pipeline (3b) is installed, the pipeline (3b) is extended horizontally to immediately below top cover (4) from air inlet (3a) place.
5. a kind of indoor household Detection of Air Quality according to claim 1 and purifier, it is characterised in that：The collection
The side wall of air chamber (3) is provided with water pump (7), and the water pump (7) connects with collection chamber (3) bottom.
6. a kind of indoor household Detection of Air Quality according to claim 1 and purifier, it is characterised in that：The collection
Liquid level sensor (9), the liquid level sensor (9) and the first fan (1a) and the second fan (2a) electricity are installed in air chamber (3)
Property connection.
7. a kind of indoor household Detection of Air Quality according to claim 5 and purifier, it is characterised in that：The collection
The side that the sidepiece of air chamber (3) is located at water pump (7) is provided with battery case (8), and the sidepiece of the battery case (8) is provided with USB
(8a)。
8. a kind of indoor household Detection of Air Quality according to claim 7 and purifier, it is characterised in that：There is the sun
Energy charging panel, the solar charging panel are connected with USB (8a).
9. a kind of indoor household Detection of Air Quality according to claim 1 and purifier, it is characterised in that：The collection
The bottom of air chamber (3) is provided with two symmetrical connectors (3c), and one end of connector (3c) passes through bolt and collection chamber (3)
It is fixedly connected, the other end of connector (3c) is provided with unthreaded hole.
10. a kind of indoor household Detection of Air Quality according to claim 1 and purifier, it is characterised in that：It is described
The front portion of collection chamber (3) is provided with two symmetrical suspension hooks (3d), and two suspension hooks (3d) are detachably arranged in collection chamber (3)
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720272908.7U CN206656447U (en) | 2017-03-20 | 2017-03-20 | A kind of indoor household Detection of Air Quality and purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720272908.7U CN206656447U (en) | 2017-03-20 | 2017-03-20 | A kind of indoor household Detection of Air Quality and purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206656447U true CN206656447U (en) | 2017-11-21 |
Family
ID=60316099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720272908.7U Expired - Fee Related CN206656447U (en) | 2017-03-20 | 2017-03-20 | A kind of indoor household Detection of Air Quality and purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206656447U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106871284A (en) * | 2017-03-20 | 2017-06-20 | 宁波天树环境工程有限公司 | A kind of indoor household Detection of Air Quality and purifier |
-
2017
- 2017-03-20 CN CN201720272908.7U patent/CN206656447U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106871284A (en) * | 2017-03-20 | 2017-06-20 | 宁波天树环境工程有限公司 | A kind of indoor household Detection of Air Quality and purifier |
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| GR01 | Patent grant | ||
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Granted publication date: 20171121 Termination date: 20180320 |