CN105757790A - Fresh air system - Google Patents

Fresh air system Download PDF

Info

Publication number
CN105757790A
CN105757790A CN201410779791.2A CN201410779791A CN105757790A CN 105757790 A CN105757790 A CN 105757790A CN 201410779791 A CN201410779791 A CN 201410779791A CN 105757790 A CN105757790 A CN 105757790A
Authority
CN
China
Prior art keywords
air outlet
frame
vmc
control system
mechanical control
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.)
Pending
Application number
CN201410779791.2A
Other languages
Chinese (zh)
Inventor
郭占庚
周娜
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.)
Gloomy Moral (china) Heating And Ventilating Equipment Co Ltd
Original Assignee
Gloomy Moral (china) Heating And Ventilating Equipment 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 Gloomy Moral (china) Heating And Ventilating Equipment Co Ltd filed Critical Gloomy Moral (china) Heating And Ventilating Equipment Co Ltd
Priority to CN201410779791.2A priority Critical patent/CN105757790A/en
Publication of CN105757790A publication Critical patent/CN105757790A/en
Pending legal-status Critical Current

Links

Landscapes

  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The invention provides a fresh air system comprising a convey pipe and a filter device arranged on the end air outlet of the convey pipe; the filter device comprises a frame and a filter net fixed in the space surrounded by frame; a platform is arranged outside the frame; the filter device is fixed in the air outlet of the convey pipe end of the fresh air system, so the fresh air conveyed into the room by the convey pipe can be further filtered and purified, thus effectively filtering dusts and impurities in the fresh air, improving fresh air system work performance, and finally improving indoor air quality; the platform on the frame can stably connect the filter device with the air outlet, thus ensuring structure stability of the whole fresh air system, solving the problems in the prior art that the filtered fresh air will carry mass dusts and impurity after the convey pipe, so the fresh air conveyed in the room cannot reach standards, and thus severely affecting the work performance of the fresh air system.

Description

A kind of VMC (Ventilation Mechanical Control System)
Technical field
The present invention relates to aeration technology field, particularly relate to a kind of VMC (Ventilation Mechanical Control System).
Background technology
A set of independent air that VMC (Ventilation Mechanical Control System) is made up of fresh air ventilator and conduit fittings processes system, and outdoor live gas through filtering, purifying, is pipelined to indoor by fresh air ventilator.Simultaneously by outside foul indoor, hypoxic air discharge chamber.Concrete, VMC (Ventilation Mechanical Control System) send new wind at airtight indoor side special equipment to indoor, then from opposite side by special equipment to outdoor discharge, with in indoor formation " new wind flow field ", thus meeting the needs of indoor fresh air ventilating.
In the prior art, in VMC (Ventilation Mechanical Control System), the new wind for being transported to indoor generally carried out pre-filtering, purification before entering conveyance conduit, but the accumulation due to the time, conveyance conduit has a large amount of dust and impurity, therefore, pre-filtered new wind with substantial amounts of dust and impurity, can cause that the new wind being transported to indoor does not reach requirement, have a strong impact on the service behaviour of VMC (Ventilation Mechanical Control System) again after conveyance conduit.
Summary of the invention
For drawbacks described above of the prior art, the present invention provides a kind of novel VMC (Ventilation Mechanical Control System), and the new wind to realize will be delivered to indoor effectively filters and purifies, thus improving the purpose of the service behaviour of VMC (Ventilation Mechanical Control System).
To achieve these goals, the present invention provides a kind of VMC (Ventilation Mechanical Control System), including for the conveyance conduit to indoor air-supply, the end of described conveyance conduit has air outlet, described air outlet place is provided with defecator, described defecator includes frame and the drainage screen being fixed in the space that described frame surrounds, and the periphery of described frame is provided with for installation into the boss on described air outlet.
Further, glue is passed through around described drainage screen at described scuncheon.
Further, described air outlet includes the installation portion being connected with described conveyance conduit and the exhausting plate covering described installation portion end, described defecator is fixedly mounted in the space that described exhausting plate and described installation portion surround, and described drainage screen and described exhausting plate be arranged in parallel.
Further, the edge of described exhausting plate protrudes from described installation portion lateral surface and stretches out.
Further, the inwall interference fit of described boss and described installation portion is to realize being tightly connected between described frame and described installation portion.
Further, being provided with air outlet box in described air outlet, described defecator is fixed in described air outlet box.
Further, the inwall interference fit of described boss and described air outlet box is to realize being tightly connected between described frame and described air outlet box.
Further, described boss has at least two, and each described boss is looped around described frame periphery and arranges, and is arranged with the sealing ring for auxiliary seal in the depression that adjacent two described boss are formed.
Further, the outer rim of described sealing ring protrudes from the outer rim of described boss.
Further, described housing is made up of frame of plastic or synthetic fibers frame or synthetic rubber frame, and described drainage screen is made up of at least one of which polypropylene filter paper sheet or glass fiber sheets or non-woven fabrics.
After adopting technique scheme, the present invention can obtain following Advantageous Effects: by being fixed on by defecator in the air outlet of VMC (Ventilation Mechanical Control System) conveyance conduit end, the new wind being transported to indoor through transfer passage can be filtered further and purifies, effectively filter the dust in new wind and impurity, improve the service behaviour of VMC (Ventilation Mechanical Control System), the final purpose realizing improving indoor air quality.It addition, the frame of defecator is provided with the boss coordinated with air outlet, it is possible to achieve defecator is stably connected with air outlet, it is ensured that the structural stability of whole VMC (Ventilation Mechanical Control System).Visible, defecator provided by the invention can effectively filter the dust in the new wind being transported to indoor, improve the service behaviour of VMC (Ventilation Mechanical Control System), solving filtered new wind in prior art again can with substantial amounts of dust and impurity after conveyance conduit, cause that the new wind being transported to indoor does not reach requirement, have a strong impact on the technical problem of the service behaviour of VMC (Ventilation Mechanical Control System).
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the three-dimensional structure diagram of the defecator that the present invention relates to VMC (Ventilation Mechanical Control System);
Fig. 2 (a) is the plane graph of the defecator that the present invention relates to VMC (Ventilation Mechanical Control System);
Fig. 2 (b) is the side view of the defecator that the present invention relates to VMC (Ventilation Mechanical Control System);
Fig. 3 is the sectional view in A-A direction in Fig. 2 (a);
Fig. 4 (a) the present invention relates to the structural representation after the defecator of VMC (Ventilation Mechanical Control System) is arranged in air outlet;
Fig. 4 (b) is the enlarged drawing at B place in Fig. 4 (a);
Fig. 5 (a) the present invention relates to the structural representation after the defecator of VMC (Ventilation Mechanical Control System) is arranged on air outlet box;
Fig. 5 (b) is the enlarged drawing at C place in Fig. 5 (a).
Detailed description of the invention
The goal of the invention of VMC (Ventilation Mechanical Control System) service behaviour is improved in order to realize the present invention, the main technical schemes that the present invention adopts is: arrange defecator at the end air outlet place of the conveyance conduit of VMC (Ventilation Mechanical Control System), so that the dust being sent to through conveyance conduit in the new wind of indoor and contaminant filter are fallen, further purifying fresh air, improves the service behaviour of VMC (Ventilation Mechanical Control System).
Below in conjunction with the drawings and specific embodiments, technical scheme is explained in detail.
Fig. 1 is the three-dimensional structure diagram of the defecator that the present invention relates to VMC (Ventilation Mechanical Control System);The present embodiment provides a kind of VMC (Ventilation Mechanical Control System), refer to Fig. 1, VMC (Ventilation Mechanical Control System) includes for the conveyance conduit to indoor air-supply, the end of conveyance conduit has air outlet, air outlet place is provided with defecator 1, defecator 1 includes frame 11 and the drainage screen 12 being fixed in the space that frame 11 surrounds, and the periphery of frame 11 is provided with for installation into the boss 13 on air outlet.
Concrete, it is the three-dimensional structure diagram of the defecator that the present invention relates to shown in Fig. 1, is the plane graph of the defecator that the present invention relates to shown in Fig. 2 (a), be the side view of the defecator that the present invention relates to shown in Fig. 2 (b).As shown in Fig. 2 (a) and Fig. 2 (b), defecator 1 includes frame 11 and the drainage screen 12 being fixed in the space that frame 11 surrounds, and the periphery of frame 11 is provided with for installation into the boss 13 on air outlet.
Further, frame 11 can be made up of metal material or synthetic material, to form fixing frame-shaped construction, for instance square box or rectangle frame, is used for supporting drainage screen 12.In the present embodiment, preferred frame 11 is made up of frame of plastic or synthetic fibers frame or synthetic rubber frame, the weight that can make frame 11 alleviates significantly, thus alleviating the weight of whole defecator 1, it is simple to be fitted and fixed to by defecator 1 by underground in the air outlet of the VMC (Ventilation Mechanical Control System) of the new wind of indoor supply.Drainage screen 12 is PM2.5 drainage screen, it is made up of at least one of which polypropylene filter paper sheet or glass fiber sheets or non-woven fabrics, to the filter efficiency of the diameter granule (lung granule can be entered) less than or equal to 2.5 microns up to 80%, it is possible to the cleannes of the new wind being effectively ensured in inlet chamber.
The VMC (Ventilation Mechanical Control System) that the present embodiment provides is operationally, conveyance conduit is entered through the entrance of conveyance conduit at new wind, when flowing to the air outlet place of conveyance conduit end, after the drainage screen 12 of defecator 1 in inlet chamber, by drainage screen 12 by the impurity being mixed in new wind, dust etc., including being mixed into the impurity of new wind, dust one in conveyance conduit by filtering.
The VMC (Ventilation Mechanical Control System) that the present embodiment provides, the new wind being transported to indoor through transfer passage can be filtered further and purifies by arranging defecator at air outlet place, effectively filter the dust in new wind and impurity, improve the service behaviour of VMC (Ventilation Mechanical Control System), solving filtered new wind in prior art again can with substantial amounts of dust and impurity after conveyance conduit, cause that the new wind being transported to indoor does not reach requirement, have a strong impact on the technical problem of the service behaviour of VMC (Ventilation Mechanical Control System), the final purpose realizing improving indoor air quality.
It it is the sectional view in A-A direction in Fig. 2 (a) shown in Fig. 3, as shown in Figure 3, glue 15 can be passed through around drainage screen 12 and be pasted onto inside frame 11, be conducive to being reliably connected of drainage screen 12 and frame 11, the filter apparatus configuration being consequently formed is simple, additionally do not connect adnexa weightening finish, further mitigate the weight of defecator to a certain extent.In other variation, frame 11 can be combined by two straton frames, and the edge of sub-frame is overlapped mutually laminating, and the edge clamping of drainage screen 12 is between the edge that two straton frames are fitted, and is fixed by buckle or screw.
Being the defecator that the present invention relates to structural representation that is arranged in conveyance conduit end air outlet shown in Fig. 4 (a), Fig. 4 (b) is the enlarged drawing of part B in Fig. 4 (a).As shown in Fig. 4 (a) and Fig. 4 (b), the air outlet being arranged on the conveyance conduit end of VMC (Ventilation Mechanical Control System) farther includes the installation portion 22 being connected with conveyance conduit (not shown) and the exhausting plate 21 covering installation portion 22 end, defecator 1 is fixedly mounted in the space that exhausting plate 21 and installation portion 22 surround, and drainage screen 12 be arranged in parallel with exhausting plate 21.Owing to exhausting plate 21 and installation portion 22 are arranged in the air outlet of conveyance conduit end, the air outlet of conveyance conduit end is connected with indoor, therefore, the new wind being transported to indoor through transfer passage can be filtered and purify by defecator further that be arranged on exhausting plate 21 and installation portion 22 place, effectively filter via the dust in the new wind of conveyance conduit and impurity, improve the service behaviour of VMC (Ventilation Mechanical Control System), the final purpose realizing improving indoor air quality.
Concrete, installation portion 22 can cylindrically, its head end opening, and stretch into or be socketed in conveyance conduit, the size of installation portion 22 head end external diameter is mated with the internal diameter of conveyance conduit, to realize the seamless link of installation portion 22 and conveyance conduit, it is to avoid occur leaking out in air-supply process.Exhausting plate 21 is connected with the end of installation portion 22, and the edge of exhausting plate 21 protrudes from installation portion 22 lateral surface and stretches out.Exhausting plate 21 can have the covering plate in exhaust vent or gap for intermediate formation, and its edge is disposed in the interior, to cover whole air outlet on the whole, it is to avoid indoor article drop in air outlet, too increases the attractive in appearance of indoor simultaneously.
Further, defecator 1 is arranged in the space that exhausting plate 21 and installation portion 22 surround with the direction being parallel to exhausting plate 21, and concrete, defecator 1 lies in installation portion 22, and the support coordinating with the inwall of installation portion 22 to realize defecator 1 and fixing.Boss 13 on frame 11 and the inwall interference fit of installation portion 22 are to realize being tightly connected between frame 11 and installation portion 22, realize the fastness that defecator 1 is installed, avoid that air leakage phenomena occurs in air-supply process, ensure that the new wind being sent to indoor is filtered each through defecator and purifies simultaneously.
Being the part-structure schematic diagram of the variation of the present invention shown in Fig. 5 (a), the defecator related in this figure is arranged on the structural representation in air outlet box, and Fig. 5 (b) is the enlarged drawing of C portion in Fig. 5 (a).It can be seen that be provided with air outlet box 3 in the air outlet of conveyance conduit end, defecator 1 is fixed in air outlet box 3.
Optionally, in the practical application of VMC (Ventilation Mechanical Control System), for the ease of the conveyance conduit mounted below in house, simultaneously for the ease of maintenance, in the air outlet of conveyance conduit end, it is provided with air outlet box 3, can the parts of conveyance conduit end are installed in air outlet box 3, it is simple to dismounting and maintenance.In this variation, defecator 1 is arranged in air outlet box 3.Owing to air outlet box 3 is arranged in the air outlet of conveyance conduit end, the air outlet of conveyance conduit end is connected with indoor, therefore, it is arranged on the defecator in air outlet box 3 the new wind being transported to indoor through transfer passage can be filtered further and be purified, effectively filter via the dust in the new wind of conveyance conduit and impurity, improve the service behaviour of VMC (Ventilation Mechanical Control System), the final purpose realizing improving indoor air quality.
Further, in defecator 1, boss 13 on frame 11 and the inwall interference fit of air outlet box 3 are to realize being tightly connected between air outlet box 3 and frame 11, realize the fastness that defecator 1 is installed, avoid that air leakage phenomena occurs in air-supply process, ensure that the new wind being sent to indoor all can be filtered by defecator and purify simultaneously.
Further, in the present invention, the periphery of frame 11 is provided with at least two boss 13, and each boss 13 is all looped around the peripheral setting of frame 11, and is arranged with the sealing ring 14 for auxiliary seal in the depression formed between adjacent two boss 13.Depression between two boss 13 can hold sealing ring 14, and the boss 13 being positioned below can support sealing ring 14, it is prevented that it is in the peripheral displacement of frame 11 or drops from frame 11.Sealing ring 14 is made up of elastic deformable material, such as rubber seal, when defecator 1 is installed to installation portion 22 or the air outlet box 3 of air outlet, sealing ring 14 extrudes with the inwall of installation portion 22 and contacts, or sealing ring 14 extrudes with the inwall of air outlet box 3 and contacts, it is possible to strengthen the sealing effectiveness of defecator 1 and air outlet.
Further, in the present invention, sealing ring 14 outer rim protrudes from boss 13 outer rim and arranges or at least concordant with boss 13 outer rim setting, namely boss 13 is not more than the outer rim thickness along boss height bearing of trend of sealing ring 14 by the peripheral outward extending height of housing 11, sealing ring 14 is more protruded to frame 11 is outside than boss 13, guarantee that sealing ring 14 can extrude with the inwall of the installation portion 22 of air outlet or air outlet box 3 to contact, ensure fastness that defecator 1 installs and with the sealing of air outlet, ensure that the new wind being sent to indoor is filtered each through defecator and purifies.
Further, VMC (Ventilation Mechanical Control System) also includes primary filter, and this primary filter is connected with conveyance conduit, after new wind carries out pre-filtering via this primary filter, is sent to conveyance conduit, and then after defecator 1 filters, is sent to indoor through air outlet.VMC (Ventilation Mechanical Control System) in the present invention can pass through Multistage filtering device, the new wind being sent to indoor is carried out multiple times of filtration, and defecator 1 is set at the end air outlet place of the conveyance conduit being connected with indoor, it can be ensured that the quality of the new wind in inlet chamber, it is ensured that the service behaviour of VMC (Ventilation Mechanical Control System).
Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit;Although the present invention being described in detail with reference to foregoing embodiments, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein some or all of technical characteristic is carried out equivalent replacement;And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.

Claims (10)

1. a VMC (Ventilation Mechanical Control System), including for the conveyance conduit to indoor air-supply, the end of described conveyance conduit has air outlet, it is characterized in that, described air outlet place is provided with defecator (1), described defecator includes frame (11) and the drainage screen (12) being fixed in the space that described frame (11) surrounds, and the periphery of described frame (11) is provided with for installation into the boss (13) on described air outlet.
2. VMC (Ventilation Mechanical Control System) according to claim 1, it is characterised in that described drainage screen (12) is around pasted onto described frame (11) inner side by glue (15).
3. VMC (Ventilation Mechanical Control System) according to claim 1, it is characterized in that, described air outlet includes the installation portion (22) being connected with described conveyance conduit and the exhausting plate (21) covering described installation portion (22) end, described defecator (1) is fixedly mounted in the space that described exhausting plate (21) and described installation portion (22) surround, and described drainage screen (12) and described exhausting plate (21) be arranged in parallel.
4. VMC (Ventilation Mechanical Control System) according to claim 3, it is characterised in that the edge of described exhausting plate (21) protrudes from described installation portion (22) lateral surface and stretches out.
5. VMC (Ventilation Mechanical Control System) according to claim 3, it is characterized in that, the inwall interference fit of described boss (13) and described installation portion (22) is to realize being tightly connected between described frame (11) and described installation portion (22).
6. VMC (Ventilation Mechanical Control System) according to claim 1, it is characterised in that be provided with air outlet box (3) in described air outlet, described defecator is fixed in described air outlet box (3).
7. VMC (Ventilation Mechanical Control System) according to claim 6, it is characterized in that, the inwall interference fit of described boss (13) and described air outlet box (3) is to realize being tightly connected between described frame (11) and described air outlet box (3).
8. the VMC (Ventilation Mechanical Control System) according to claim 1-7 any one, it is characterized in that, described boss (13) has at least two, each described boss (13) is looped around the peripheral setting of described frame (11), is arranged with the sealing ring (14) for auxiliary seal in the depression that adjacent two described boss (13) are formed.
9. VMC (Ventilation Mechanical Control System) according to claim 7, it is characterised in that the outer rim of described sealing ring (14) protrudes from the outer rim of described boss (13).
10. VMC (Ventilation Mechanical Control System) according to claim 1, it is characterized in that, described housing (11) is made up of frame of plastic or synthetic fibers frame or synthetic rubber frame, and described drainage screen (12) is made up of at least one of which polypropylene filter paper sheet or glass fiber sheets or non-woven fabrics.
CN201410779791.2A 2014-12-16 2014-12-16 Fresh air system Pending CN105757790A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410779791.2A CN105757790A (en) 2014-12-16 2014-12-16 Fresh air system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410779791.2A CN105757790A (en) 2014-12-16 2014-12-16 Fresh air system

Publications (1)

Publication Number Publication Date
CN105757790A true CN105757790A (en) 2016-07-13

Family

ID=56336979

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410779791.2A Pending CN105757790A (en) 2014-12-16 2014-12-16 Fresh air system

Country Status (1)

Country Link
CN (1) CN105757790A (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE458305B (en) * 1985-12-13 1989-03-13 Ove Henriksson Filter device
TW339832U (en) * 1997-10-09 1998-09-01 Chung Yeh Entpr Co Ltd A central air conditioner outlet air filter
CN201599919U (en) * 2009-12-17 2010-10-06 珠海彩珠实业有限公司 Air purifier disposed at air outlet of central air conditioning
CN202692359U (en) * 2012-05-31 2013-01-23 东莞市微星净化科技有限公司 Leak-free efficient air supply outlet
CN202778157U (en) * 2012-03-12 2013-03-13 冯庆义 Novel air conditioner filtering device with rear panel fixing seal
CN203123733U (en) * 2013-03-31 2013-08-14 深圳市奇滨实业有限公司 Air filter with filter net sealing ring
CN103277838A (en) * 2013-05-15 2013-09-04 缪嘉天 Integrated energy-saving air cleaner
CN203869245U (en) * 2014-02-27 2014-10-08 深圳市艾尔扬环境科技有限公司 Fresh air purifying device
CN203880842U (en) * 2014-05-03 2014-10-15 嘉善天慧光电科技有限公司 Purifying device used for removing PM2.5 in air

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE458305B (en) * 1985-12-13 1989-03-13 Ove Henriksson Filter device
TW339832U (en) * 1997-10-09 1998-09-01 Chung Yeh Entpr Co Ltd A central air conditioner outlet air filter
CN201599919U (en) * 2009-12-17 2010-10-06 珠海彩珠实业有限公司 Air purifier disposed at air outlet of central air conditioning
CN202778157U (en) * 2012-03-12 2013-03-13 冯庆义 Novel air conditioner filtering device with rear panel fixing seal
CN202692359U (en) * 2012-05-31 2013-01-23 东莞市微星净化科技有限公司 Leak-free efficient air supply outlet
CN203123733U (en) * 2013-03-31 2013-08-14 深圳市奇滨实业有限公司 Air filter with filter net sealing ring
CN103277838A (en) * 2013-05-15 2013-09-04 缪嘉天 Integrated energy-saving air cleaner
CN203869245U (en) * 2014-02-27 2014-10-08 深圳市艾尔扬环境科技有限公司 Fresh air purifying device
CN203880842U (en) * 2014-05-03 2014-10-15 嘉善天慧光电科技有限公司 Purifying device used for removing PM2.5 in air

Similar Documents

Publication Publication Date Title
CN203771568U (en) Combined detachable domestic fresh air purifier
CN204100393U (en) The new blower fan of way flow Two-way Cycle
CN103458988B (en) Compressed air purifier
CN204100476U (en) The new wind air cleaning system of bidirectional flow indoor and outdoor Two-way Cycle
KR102306995B1 (en) Building wall mounted type Air purifier
CN207035404U (en) A kind of VMC
CN205351555U (en) High -efficient clarifier of domestic new trend
CN201706639U (en) Vacuum efficient air-supply outlet
CN105757790A (en) Fresh air system
CN108547656B (en) A kind of city rail traffic aid circulation system
CN211084368U (en) Air conditioning system with graded air supply
CN205593072U (en) Wall -mounted type air purifier
CN212999106U (en) Air purification control equipment based on combination formula real-time supervision
CN205014504U (en) Two wind channels of furred ceiling air purifier structure
CN205649950U (en) Lampblack absorber filtration system
CN205586759U (en) Industry organic waste gas photodissociation purifier
CN105771443A (en) Filter system of range hood
CN203615484U (en) Central air conditioning unit capable of removing fine particles for building
CN103542455B (en) A kind of Central Air Conditioner Used in Buildings unit removing fine particle
CN102705971A (en) Negative pressure double sealing dry blower
CN206103644U (en) Carbon fiber adsorbed case
CN203990122U (en) A kind of self-loopa chemical filtration unit
CN104406284A (en) Filter drum type efficient air supply outlet
CN220152900U (en) New forms of energy air purification equipment
CN211799531U (en) Laminar flow operating room air purification device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20160713

WD01 Invention patent application deemed withdrawn after publication