CN104589964A - Small-sized high-efficiency air purifier - Google Patents

Small-sized high-efficiency air purifier Download PDF

Info

Publication number
CN104589964A
CN104589964A CN201510011331.XA CN201510011331A CN104589964A CN 104589964 A CN104589964 A CN 104589964A CN 201510011331 A CN201510011331 A CN 201510011331A CN 104589964 A CN104589964 A CN 104589964A
Authority
CN
China
Prior art keywords
small
shell
air purifier
active carbon
air
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.)
Granted
Application number
CN201510011331.XA
Other languages
Chinese (zh)
Other versions
CN104589964B (en
Inventor
林少彬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Wanjiafenghe Health Technology Co Ltd
Original Assignee
Foshan Wanjiafenghe Health Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Foshan Wanjiafenghe Health Technology Co Ltd filed Critical Foshan Wanjiafenghe Health Technology Co Ltd
Priority to CN201510011331.XA priority Critical patent/CN104589964B/en
Publication of CN104589964A publication Critical patent/CN104589964A/en
Application granted granted Critical
Publication of CN104589964B publication Critical patent/CN104589964B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H3/00Other air-treating devices
    • B60H3/06Filtering
    • B60H3/0608Filter arrangements in the air stream
    • B60H3/0616Filter arrangements in the air stream with provisions for replacing the filter element
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2411Filter cartridges
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H3/00Other air-treating devices
    • B60H3/06Filtering
    • B60H2003/0691Adsorption filters, e.g. activated carbon

Landscapes

  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The invention relates to the field of air purification equipment, in particular to a small-sized high-efficiency air purifier. The small-sized high-efficiency air purifier comprises a top cover with an air inlet, a tubular shell and a pedestal with an air outlet, wherein the shell is tubular and the two ends of the shell are communicated; a fan is arranged in the shell; the pedestal is a tubular cup with a closed end; an active carbon filter core is arranged in an accommodating cavity of the cup; the top cover covers the upper end of the shell; the open end of the pedestal is fixedly connected to the lower end of the shell, and the connection position is provided with a seal ring for sealing. According to the structure, the small-sized high-efficiency air purifier is designed into three sections, so that the disassembly, maintenance and replacement of the three sections of the small-sized high-efficiency air purifier are more convenient; more preferably, the active carbon filter core of an air duct structure is arranged in the pedestal of the small-sized high-efficiency air purifier, so that the wind resistance of the filter core is reduced, and the purification efficiency of the small-sized high-efficiency air purifier is higher.

Description

A kind of small-sized efficient air purifier
Technical field
The present invention relates to air cleaning facility field, particularly relate to a kind of small-sized efficient air purifier.
Background technology
Along with the development of society, to the destruction of environment more and more seriously, especially the pollution of air has been badly influenced to the normal life of people, automobile is as the vehicle important in people's daily life for heavy industry and traffic, being air-polluting major reason, is also the poorest place of air quality, running car on the way, the tail gas that surrounding vehicles is got rid of spreads in motor vehicle environment, make the air quality degradation near automobile, therefore a lot of people can select automobile window to be closed always, thinking just can avoid the air in automobile to be polluted like this, but in the environment that this is airtight, people needs to breathe, still have tail gas in vehicle traveling process and enter car room, add the material that a lot of car room adopts also to calculate successively and send noxious gas, therefore only only automobile indoor air cannot be avoided to be polluted by automotive window is closed the method for getting up, even also automobile indoor air pollution can be increased the weight of.
Due to the appearance of the problems referred to above, so just there is vehicle-mounted cleaner, vehicle-mounted cleaner is placed on car room exactly, to the equipment that room air purifies, in order to make car room spaciousness beautiful and clean, so require less and the easy to use and collection of vehicle-mounted cleaner size, the more important thing is also will have efficient air-filtering ability meeting under these preconditions; Vehicle-mounted cleaner of the prior art is mainly for solving using and collecting and the little problem of size essence of cleaner, vehicle-mounted cleaner is arranged on the position that hand box, reading lamp, storage tank, the ventilation mouth of pipe etc. are convenient to hide, but these vehicle-mounted purification utensil abilities are low, installation site is special, makes the installation of vehicle-mounted cleaner change inconvenience; And these vehicle-mounted cleaners are arranged on automobile just easily mobile, thus allow their Applicable scope be only limitted on automobile, and field of employment is too single.
Summary of the invention
The object of the invention is to propose a kind of to there is the active carbon filter core of low windage and the small-sized efficient air purifier of fast purification ability of air.
For reaching this object, the present invention by the following technical solutions:
A kind of small-sized efficient air purifier, comprise the base being provided with the top cover of ventilation inlet and the shell of tubulose and being provided with air outlet, described shell is tubulose, and two ends are through, in described shell, be provided with blower fan; Described base is the airtight tubular cup in one end, in the cavity volume of cup, be provided with active carbon filter core; Described top cover covers the upper end at described shell, and one end of described base openings is connected and fixed on the lower end of shell, and institute's connection location is all provided with seal ring seals.
Described small-sized efficient air purifier is be made up of the top cover of three sections of tubuloses, shell, base substantially, described top cover is that the air of described small-sized efficient air purifier inputs and controls the part of described blower fan motion, described shell is power and the connecting bridge of described small-sized efficient air purifier, and described base is that the air-pollution control of described small-sized efficient air purifier and air discharge portion divide; The definite functions of each part of said structure, structure is simple, and the dismounting of each part does not interfere with each other, and the installation and maintenance of described small-sized efficient air purifier and active carbon filter core is changed convenient; The ventilation inlet of described small-sized efficient air purifier is on top cover, air outlet is positioned at bottom, operationally described small-sized efficient air purifier is from upper strata Spatial absorptive air, purifies and discharges from lower layer space, thus play the object of a circularly purifying automobile indoor air.In addition, due to the compact conformation of described small-sized efficient air purifier inside, size is less compared with having the air purifier of identical detergent power, thus the movement that is easy to carry, make it to be not only applied in automobile, can also be applied in other better purifying spaces is not too large occasion.
Described active carbon filter core by air channel and to be filled in outside air channel and inside described base shell between active carbon form; Described air channel is the tubulose that cross section has multiple knuckle, and the tube wall in described air channel is evenly distributed with some pores, and upper surface, described air channel is through, and the lower surface inside lower surface and described base shell fits tightly.
In order to strengthen the detergent power of described air purifier, the active carbon that the thicker capacity of thickness is larger is provided with in described base, if do not arrange air channel in described active carbon layer, when air enters described base from active carbon filter core upper end, because the thicker windage of active carbon is excessive, air is difficult to be got rid of from air outlet by active carbon layer, after increasing above-mentioned air channel, first air enters air channel after entering described base, because one end, air channel is blocked by base inner wall, air can only be passed from the pore the tube wall of described air channel, now air is just greatly reduced by the thickness of active carbon, windage also reduces, by being just easy to, in addition the tubulose that there is knuckle in cross section is arranged in described air channel, is also can fill active carbon to make outside described air channel reducing windage while between two faces to infolding, thus further increases the detergent power of described active carbon filter core.
More excellent scheme to be described active carbon filter core be one cylindric, described active carbon filter core is wrapped in the end box of mesh cloth and the air channel be arranged in end box and active carbon by surrounding and forms; Described air channel is the tubulose that cross section has multiple knuckle, and the tube wall in described air channel is evenly distributed with some pores, and upper surface, described air channel is through, and the lower surface inside lower surface and box shell of the described end fits tightly.
Not only described active carbon filter core is made separately by the way a moveable entirety, thus make to facilitate the replacing of described active carbon filter core but also the air carrying capacity that described active carbon trip core is good can be ensured.
Described active carbon filter core upper surface is also covered with air filter cover, and described air filter covers and is provided with the vent window corresponding with described duct cross-section shape and position, near described vent window, be also evenly distributed with multiple breather port.
Described air filter covers and offers vent window and breather port, thus ensure that the smooth and easy of air passes through; Position and the shape of described vent window and described duct cross-section are corresponding, thus also play the effect most of air being imported inside, described air channel, thus reduce the resistance that air enters described active carbon filter core; The upper section that this external air enters described active carbon filter core arranges one with the air filter cover of vent window and breather port, larger-size foreign material in air also can be avoided greatly to enter in described active carbon filter core and result in blockage.
The circular side wall of described base is evenly distributed with air outlet.Because described base is round tubular, air is discharged to surrounding after entering the laggard active carbon excessively of described base, therefore evenly air port is set out at described base side wall, be conducive to air to get rid of from described base, thus accelerate the flowing in described small-sized efficient air purifier of air, increase the purification efficiency of described small-sized efficient air purifier.
The cross section of described shell and the cross section of described base are circular, and the internal diameter of described shell is larger than the internal diameter of described base.
Described assembling is in described shell, the phoenix of discharging enters in the less base of diameter, after impelling the air as the shell inspiration of upper end to enter the base as lower end, due to diminishing of sectional area, static pressure becomes large, thus is more conducive to air and completes purification process by active carbon core.
Described ventilation inlet is located at described top cover upper wall, and described air inlet is provided with louver.Ventilation inlet is located at described top cover upper wall, is more conducive to described small-sized efficient air purifier and absorbs upper layer of air; Described louver is opened when absorbing air and is played certain guide functions; close the effect playing the described small-sized efficient air purifier of airtight protection when described small-sized efficient air purifier does not work, also make described small-sized efficient air purifier more attractive in appearance.
Described top cover is provided with control circuit and button and supply line.Described top cover arranges control button and supply line and provides for described small-sized efficient air purifier the module and supply module controlling blower fan running, make the use of described small-sized efficient air purifier control the more convenient described small-sized efficient air purifier safety that makes again attractive in appearance.
The outside face of described base is provided with the protective case of socket.When described small-sized efficient air purifier does not work; can described protective case be socketed on described base; thus active carbon filter core in described small-sized efficient air purifier base can be protected not make moist, thus extend the service life of described small-sized efficient air purifier.
Described small-sized efficient air-purifier designs, according to said structure, is become syllogic by the present invention, thus it is convenient that this detachable maintaining of three sections of described small-sized efficient air purifier is changed; More optimizedly in the base of described small-sized efficient air purifier, be provided with the active carbon filter core of air channel structure, thus reduce the windage of filter core, make the purification efficiency of described small-sized efficient air purifier higher.
Accompanying drawing explanation
Fig. 1 is the integral structure schematic diagram of one embodiment of the present of invention;
Fig. 2 is the decomposition texture schematic diagram of one embodiment of the present of invention;
Fig. 3 is the structural representation of the component part of base in one embodiment of the present of invention;
Fig. 4 is the structural representation in air channel in one embodiment of the present of invention;
Fig. 5 is the structural representation of active carbon filter core in one embodiment of the present of invention.
Wherein: top cover 100, shell 200, base 300, ventilation inlet 110, button 120, louver 130, blower fan 210, active carbon filter core 310, air outlet 320, active carbon 311, air channel 312, pore 322, air filter cover 330, mesh cloth 340.
Detailed description of the invention
Technical scheme of the present invention is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.
Embodiment 1
As Figure 1-4, a kind of small-sized efficient air purifier, comprise the base 300 being provided with the top cover 100 of ventilation inlet 110 and the shell 200 of tubulose and being provided with air outlet 320, described shell 200 is tubulose, and two ends are through, in described shell 200, be provided with blower fan 210; Described base 300 is the airtight tubular cup in one end, is provided with active carbon filter core 310 in the cavity volume of cup; Described top cover 100 covers the upper end at described shell 200, and one end of described base 300 opening is connected and fixed on the lower end of shell 200, and institute's connection location is all provided with seal ring seals.
Described active carbon filter core 310 by air channel 312 and be filled in outside air channel 312 and inside described base 300 shell between active carbon 311 form; The tubulose of described air channel 312 multiple knuckle for cross section has, the tube wall in described air channel 312 is evenly distributed with some pores 322, and upper surface, described air channel 312 is through, and the lower surface inside lower surface and described base 300 shell fits tightly.Described active carbon filter core 310 upper surface is also covered with air filter cover 330, described air filter cover 330 is provided with the vent window corresponding with described air channel 312 cross sectional shape and position, near described vent window, is also evenly distributed with multiple breather port.
The circular side wall of described base 300 is evenly distributed with air outlet 320.The cross section of described shell 200 and the cross section of described base 300 are circular, and the internal diameter of described shell 200 is larger than the internal diameter of described base 300.Described ventilation inlet 110 is located at described top cover 100 upper wall, and described ventilation inlet 110 place is provided with louver 130.
Described top cover 100 is provided with control circuit and button 120 and supply line.
The outside face of described base 300 is provided with the protective case of socket.
Embodiment 2
Active carbon filter core described in the present embodiment adopts more excellent scheme as different from Example 1: as shown in Figure 5, described active carbon filter core 310 be one cylindric, described active carbon filter core 310 is wrapped in the end box of mesh cloth 340 by surrounding and is arranged on air channel in end box and active carbon forms; Described air channel is the tubulose that cross section has multiple knuckle, and the tube wall in described air channel is evenly distributed with some pores, and upper surface, described air channel is through, and the lower surface inside lower surface and box shell of the described end fits tightly.Described active carbon filter core 310 upper surface is also covered with air filter cover 330, described air filter cover 330 is provided with the vent window corresponding with described duct cross-section shape and position, near described vent window, is also evenly distributed with multiple breather port.
Described active carbon filter core 310 is made separately by the way one moveable overall, thus make the replacing that not only ensure that the air carrying capacity that described active carbon filter core 310 is good but also facilitate described active carbon filter core 310.
Below know-why of the present invention is described in conjunction with specific embodiments.These describe just in order to explain principle of the present invention, and can not be interpreted as limiting the scope of the invention by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other detailed description of the invention of the present invention, and these modes all will fall within protection scope of the present invention.

Claims (9)

1. a small-sized efficient air purifier, comprises the base being provided with the top cover of ventilation inlet and the shell of tubulose and being provided with air outlet, it is characterized in that:
Described shell is tubulose, and two ends are through, in described shell, be provided with blower fan;
Described base is the airtight tubular cup in one end, in the cavity volume of cup, be provided with active carbon filter core;
Described top cover covers the upper end at described shell, and one end of described base openings is connected and fixed on the lower end of shell, and institute's connection location is all provided with seal ring seals.
2. a kind of small-sized efficient air purifier according to claim 1, is characterized in that, described active carbon filter core by air channel and to be filled in outside air channel and inside described base shell between active carbon form; Described air channel is the tubulose that cross section has multiple knuckle, and the tube wall in described air channel is evenly distributed with some pores, and upper surface, described air channel is through, and the lower surface inside lower surface and described base shell fits tightly.
3., according to claim 1 or described a kind of small-sized efficient air purifier, it is characterized in that, described active carbon filter core be one cylindric, described active carbon filter core is wrapped in the end box of mesh cloth by surrounding and is arranged on air channel in end box and active carbon forms; Described air channel is the tubulose that cross section has multiple knuckle, and the tube wall in described air channel is evenly distributed with some pores, and upper surface, described air channel is through, and the lower surface inside lower surface and box shell of the described end fits tightly.
4. a kind of small-sized efficient air purifier according to Claims 2 or 3, it is characterized in that, described active carbon filter core upper surface is also covered with air filter cover, described air filter covers and is provided with the vent window corresponding with described duct cross-section shape and position, near described vent window, be also evenly distributed with multiple breather port.
5. a kind of small-sized efficient air purifier according to claim 1, it is characterized in that, the circular side wall of described base is evenly distributed with air outlet.
6. a kind of small-sized efficient air purifier according to claim 1, is characterized in that, the cross section of described shell and the cross section of described base are circular, and the internal diameter of described shell is larger than the internal diameter of described base.
7. a kind of small-sized efficient air purifier according to claim 1, is characterized in that, described ventilation inlet is located at described top cover upper wall, and described air inlet is provided with louver.
8. a kind of small-sized efficient air purifier according to claim 1, is characterized in that, described top cover is provided with control circuit and button and supply line.
9. a kind of small-sized efficient air purifier according to claim 1, is characterized in that, the outside face of described base is provided with the protective case of socket.
CN201510011331.XA 2015-01-09 2015-01-09 A kind of small-sized efficient air purifier Active CN104589964B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510011331.XA CN104589964B (en) 2015-01-09 2015-01-09 A kind of small-sized efficient air purifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510011331.XA CN104589964B (en) 2015-01-09 2015-01-09 A kind of small-sized efficient air purifier

Publications (2)

Publication Number Publication Date
CN104589964A true CN104589964A (en) 2015-05-06
CN104589964B CN104589964B (en) 2017-06-27

Family

ID=53116157

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510011331.XA Active CN104589964B (en) 2015-01-09 2015-01-09 A kind of small-sized efficient air purifier

Country Status (1)

Country Link
CN (1) CN104589964B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105791654A (en) * 2016-05-04 2016-07-20 湖州优创科技有限公司 Network camera having air purification function
CN107913558A (en) * 2017-11-29 2018-04-17 中山市小榄企业服务有限公司 A kind of air purifier cooling-down type filtration core device
CN107983088A (en) * 2018-01-30 2018-05-04 深圳市西谷制冷设备有限公司 Air purifier
CN108159794A (en) * 2017-12-29 2018-06-15 广东美的厨房电器制造有限公司 Air cleaning unit
CN108775648A (en) * 2018-07-20 2018-11-09 安徽贝昂科技有限公司 A kind of aqueous-based air clarifier takes wind mechanism

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3440319A1 (en) * 1984-11-05 1986-05-15 Lawrence E. 2359 Henstedt-Ulzburg Stiers Fresh-air filter for enclosed interior spaces, in particular of motor vehicles
KR20030087173A (en) * 2002-05-07 2003-11-13 재단법인 한국기기유화시험연구원 Cylinderical air cleaner for use in car and method manufacturing the same
CN2623489Y (en) * 2003-06-16 2004-07-07 张国勇 Harmful gas clearing unit for vehicle
US20090041632A1 (en) * 2007-08-08 2009-02-12 Novapure Systems Inc. Air Purifier System and Method
CN201871296U (en) * 2010-10-12 2011-06-22 福州职业技术学院 Adsorptive degradation filter element and air purification device using the filter element
CN203078266U (en) * 2012-01-10 2013-07-24 夏普株式会社 Air conditioning device
CN203438808U (en) * 2013-08-31 2014-02-19 梁裕文 Vehicle-mounted air purifier
CN104190170A (en) * 2014-09-25 2014-12-10 江苏华强新能源科技有限公司 Efficient environmental-friendly filter element and filter material thereof
CN204354774U (en) * 2015-01-09 2015-05-27 佛山市万家风和健康科技有限公司 A kind of small-sized efficient air purifier

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3440319A1 (en) * 1984-11-05 1986-05-15 Lawrence E. 2359 Henstedt-Ulzburg Stiers Fresh-air filter for enclosed interior spaces, in particular of motor vehicles
KR20030087173A (en) * 2002-05-07 2003-11-13 재단법인 한국기기유화시험연구원 Cylinderical air cleaner for use in car and method manufacturing the same
CN2623489Y (en) * 2003-06-16 2004-07-07 张国勇 Harmful gas clearing unit for vehicle
US20090041632A1 (en) * 2007-08-08 2009-02-12 Novapure Systems Inc. Air Purifier System and Method
CN201871296U (en) * 2010-10-12 2011-06-22 福州职业技术学院 Adsorptive degradation filter element and air purification device using the filter element
CN203078266U (en) * 2012-01-10 2013-07-24 夏普株式会社 Air conditioning device
CN203438808U (en) * 2013-08-31 2014-02-19 梁裕文 Vehicle-mounted air purifier
CN104190170A (en) * 2014-09-25 2014-12-10 江苏华强新能源科技有限公司 Efficient environmental-friendly filter element and filter material thereof
CN204354774U (en) * 2015-01-09 2015-05-27 佛山市万家风和健康科技有限公司 A kind of small-sized efficient air purifier

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105791654A (en) * 2016-05-04 2016-07-20 湖州优创科技有限公司 Network camera having air purification function
CN105791654B (en) * 2016-05-04 2018-12-11 盐城吉大智能终端产业研究院有限公司 A kind of IP Camera with air-cleaning function
CN107913558A (en) * 2017-11-29 2018-04-17 中山市小榄企业服务有限公司 A kind of air purifier cooling-down type filtration core device
CN108159794A (en) * 2017-12-29 2018-06-15 广东美的厨房电器制造有限公司 Air cleaning unit
CN107983088A (en) * 2018-01-30 2018-05-04 深圳市西谷制冷设备有限公司 Air purifier
CN108775648A (en) * 2018-07-20 2018-11-09 安徽贝昂科技有限公司 A kind of aqueous-based air clarifier takes wind mechanism

Also Published As

Publication number Publication date
CN104589964B (en) 2017-06-27

Similar Documents

Publication Publication Date Title
CN104589964A (en) Small-sized high-efficiency air purifier
CN102008866B (en) Spray centrifugal dedusting fan
CN104325862B (en) Vehicle-mounted interior environmental management system and environment inside car control method
CN205448195U (en) Bear basin, humidification device and air humidifier
CN204593588U (en) A kind of fresh-air ventilation machine
CN207429977U (en) A kind of electric automatization dust-extraction unit
CN204354774U (en) A kind of small-sized efficient air purifier
CN210363831U (en) Carriage air ventilation and purification device for high-speed train
CN202192967U (en) Air channel structure of compact type air purifier
CN104534568A (en) Air purifier
CN201840962U (en) Spray centrifugal type dust collection fan
CN203571833U (en) Kitchen air purifier
CN205311290U (en) Automobile -used two new trend device that purifies
CN210267627U (en) Dust removal guide duct
CN106288061A (en) Built-in depurator and apply its air-conditioning
CN204574287U (en) A kind of architecture-integral air purifier
CN206890711U (en) A kind of air cleaning facility for being installed on building top
CN215982987U (en) Mute type indoor purifier
CN104534565A (en) Fresh air ventilator system
CN205886448U (en) Air filter
CN205667783U (en) For printing the environment-friendly disposal system of waste gas
CN218687522U (en) Oxygen cabin inside and outside gas filtering and purifying device
CN206310663U (en) A kind of double purification fresh airs of heat exchange of the main filter core of use hollow-fibre membrane
CN205168119U (en) Car cooling dust removal air purifier
CN215675681U (en) Negative ion air purifier

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant