CN111023540A - New fan air outlet kuppe - Google Patents

New fan air outlet kuppe Download PDF

Info

Publication number
CN111023540A
CN111023540A CN201911271333.7A CN201911271333A CN111023540A CN 111023540 A CN111023540 A CN 111023540A CN 201911271333 A CN201911271333 A CN 201911271333A CN 111023540 A CN111023540 A CN 111023540A
Authority
CN
China
Prior art keywords
air
guide sleeve
air outlet
kuppe
way joint
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
CN201911271333.7A
Other languages
Chinese (zh)
Inventor
张宗翎
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.)
Guangzhou Xintian Purification Equipment Co ltd
Original Assignee
Guangzhou Xintian Purification 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 Guangzhou Xintian Purification Equipment Co ltd filed Critical Guangzhou Xintian Purification Equipment Co ltd
Priority to CN201911271333.7A priority Critical patent/CN111023540A/en
Publication of CN111023540A publication Critical patent/CN111023540A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/15Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre with parallel simultaneously tiltable lamellae
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1426Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • F24F2013/1433Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with electric motors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1426Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • F24F2013/1446Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with gearings

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ventilation (AREA)

Abstract

The invention discloses a fresh air fan air outlet air guide sleeve, each longitudinal adjusting unit is provided with three rotating shafts, and are equidistantly arranged in the through groove, one end of the rotating shaft is rotationally connected with the side wall of the through groove, the motor is fixedly connected with chain wheels, four chain wheels are connected through chains, the five-way joint is arranged on a five-way joint support plate, an air inlet of the five-way joint is connected with an air inlet pipe, four air outlets of the five-way joint are respectively connected with air outlet pipes, electromagnetic valves are respectively arranged on the air outlet pipes, the chain wheel is driven by the motor to rotate, the chain wheel can drive the chain to rotate, the chain can drive the other three chain wheels to rotate, thereby driving the guide plate to rotate, realizing the purpose of longitudinally adjusting the air outlet direction, being more convenient to use, opening the corresponding electromagnetic valve according to the requirement, thereby reach the purpose of horizontal regulation air-out direction, can adjust the direction of air-out as required.

Description

New fan air outlet kuppe
Technical Field
The invention relates to the technical field of new fans, in particular to a flow guide cover of an air outlet of a new fan.
Background
The new fan is an effective air purification device, can make the room air produce the circulation, on the one hand discharge indoor dirty air outdoors, on the other hand is outdoor fresh air through disinfecting, after measures such as disinfection, filtration, etc., input to indoor again, let the room all the time be fresh clean air, new fan application new trend convection patent technique, through independently supplying air and induced air, make the room air realize the convection current, thereby the indoor air replacement of furthest carrying on, new fan built-in multi-functional clean system guarantees to get into indoor air clean and healthy, new fan mainly divide into exhaust type new fan and air supply type new fan two types, can install under most indoor environment, the kuppe is an important component in the new fan, mainly play the effect of guide wind direction.
The direction of kuppe air-out among the prior art is fixed, can not adjust the direction of air-out as required, and is relatively inconvenient.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the existing defects, and provide the air guide sleeve of the air outlet of the new fan, which can adjust the air outlet direction according to the needs, is convenient to use and can effectively solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a fresh air outlet dome comprises a dome body, a longitudinal adjusting unit and a transverse adjusting unit, wherein the dome body is cuboid and hollow, an air inlet pipe is arranged on the upper surface of the dome body, the lower end of the air inlet pipe is communicated with the inside of the dome body, vent holes are formed in the lower surface of the dome body at equal intervals, through grooves are formed in four side walls of the dome body, the longitudinal adjusting unit comprises four guide plates, rotating shafts, chain wheels, chains and motors, the longitudinal adjusting units are arranged on the four side walls of the dome body respectively, each longitudinal adjusting unit is provided with three rotating shafts and arranged in the through grooves at equal intervals, one end of each rotating shaft is rotatably connected with the side wall of each through groove, the other end of each rotating shaft penetrates through the dome body to be fixedly connected with the corresponding chain wheel, the part of each rotating shaft arranged in the corresponding through groove is fixedly connected with the corresponding guide plate, and the motors are, motor fixedly connected with sprocket connects through the chain between four sprockets, horizontal adjusting unit includes the solenoid valve, goes out tuber pipe and five-way joint, five-way joint backup pad is arranged in to five-way joint, and the air intake connection air-supply line that five-way connects, four air outlets that five-way connects are connected with out the tuber pipe respectively towards four lateral walls of kuppe body respectively, and four air outlets that five-way connects are equipped with the solenoid valve on going out the tuber pipe respectively, still include control switch group, control switch group places the lateral wall of kuppe body, and control switch group electricity is connected external power source, control switch group electricity connecting motor and solenoid valve.
Further, still include mounting bracket and construction bolt, the mounting bracket is two, and is down "U" shape, and both ends around the kuppe body upper surface are arranged respectively in to two mounting brackets, fixed connection between mounting bracket and the kuppe body is equipped with two mounting holes on the mounting bracket, is equipped with construction bolt in the mounting hole, the kuppe body of easy to assemble.
Furthermore, the air inlet pipe sealing structure further comprises a sealing ring, wherein the sealing ring is one and annular, and is sleeved on the air inlet pipe close to the air guide sleeve body, so that the sealing performance at the air inlet pipe is ensured.
Further, still include the spring shim, the spring shim is four, and is the ring shape, and the spring shim cup joints respectively on construction bolt, prevents to lead to the kuppe body to install unstably because of the wall is uneven.
Further, still including inhaling the sound cotton, inhale the sound cotton and be one, and arrange the inside upper surface of kuppe body in, inhale fixed connection between sound cotton and the kuppe body, can effectual noise reduction.
Further, still include the connecting plate, the connecting plate is four, and the lower extreme of connecting plate cup joints respectively on the tuber pipe, fixed connection between the upper end of connecting plate and the kuppe body can be used for fixing the tuber pipe.
Further, still include the fly net, the fly net is one, and arranges the inside lower surface of kuppe body in, and fixed connection prevents that the mosquito from getting into inside the kuppe body between fly net and the kuppe body.
Compared with the prior art, the invention has the beneficial effects that: this new fan air outlet kuppe has following benefit:
1. the longitudinal adjusting unit is arranged, the chain wheel is driven to rotate by the motor, the chain wheel can drive the chain to rotate, and the chain can drive other three chain wheels to rotate, so that the guide plate is driven to rotate, the purpose of longitudinally adjusting the air outlet direction is realized, and the use is more convenient;
2. the horizontal adjusting unit is further arranged, and the corresponding electromagnetic valve can be opened as required, so that the purpose of horizontally adjusting the air outlet direction is achieved, and the air outlet direction can be adjusted as required.
Drawings
FIG. 1 is a schematic view of the pod construction of the present invention;
FIG. 2 is a schematic view of the internal structure of the pod of the present invention;
fig. 3 is a schematic view of the bottom plate structure of the present invention.
In the figure: the air guide sleeve comprises a guide sleeve body 1, an air inlet pipe 2, a longitudinal adjusting unit 3, a guide plate 31, a rotating shaft 32, a chain wheel 33, a chain 34, a motor 35, a transverse adjusting unit 4, an electromagnetic valve 41, an air outlet pipe 42, a five-way joint 43, a mounting frame 5, a mounting bolt 6, a sealing ring 7, a spring gasket 8, a control switch group 9, sound absorbing cotton 10, a connecting plate 11, an insect-proof net 12 and a joint supporting plate 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution:
the first embodiment is as follows:
as shown in fig. 1 and 2, a fresh air outlet dome of a fan comprises a dome body 1, a longitudinal adjusting unit 3 and a transverse adjusting unit 4, wherein the dome body 1 is a cuboid and is hollow, an air inlet pipe 2 is arranged on the upper surface of the dome body 1, the lower end of the air inlet pipe 2 is communicated with the inside of the dome body 1, a sealing ring 7 is one and is annular, the sealing ring 7 is sleeved on the air inlet pipe 2 and is close to the position of the dome body 1 to ensure the sealing performance at the air inlet pipe 2, vent holes are arranged on the lower surface of the dome body 1 shown in fig. 3 at equal intervals, an insect-proof net 12 is one and is arranged on the lower surface of the inside of the dome body 1, the insect-proof net 12 is fixedly connected with the dome body 1 to prevent mosquitoes from entering the inside of the dome body 1, as shown in fig. 1, through grooves are arranged on four side walls of the dome body 1, and the longitudinal adjusting unit 3, The air guide sleeve comprises a rotating shaft 32, a chain wheel 33, chains 34 and a motor 35, wherein four longitudinal adjusting units 3 are arranged and are respectively arranged on four side walls of the air guide sleeve body 1, each longitudinal adjusting unit 3 is provided with three rotating shafts 32 which are equidistantly arranged in the through groove, one end of each rotating shaft 32 is rotatably connected with the side wall of the through groove, the other end of each rotating shaft 32 penetrates through the air guide sleeve body 1 and is fixedly connected with the chain wheel 33, the guide plate 31 is fixedly connected on the part, in which the rotating shafts 32 are arranged, in the through groove, the motor 35 is arranged on the upper surface of the air guide sleeve body 1, the chain wheel 33 is fixedly connected with the motor 35, the four chain wheels 33 are connected through the chains 34, when the longitudinal air outlet direction needs to be adjusted, the motor 35 is turned on, the chain wheel 33 is driven to rotate by the motor 35, the chain wheel 33 drives, thereby achieving the purpose of longitudinally adjusting the air outlet direction, as shown in fig. 2, the transverse adjusting unit 4 comprises an electromagnetic valve 41, an air outlet pipe 42 and a five-way joint 43, as shown in fig. 3, the five-way joint 43 is arranged on the five-way joint support plate 13, the air inlet of the five-way joint 43 is connected with the air inlet pipe 2, the four air outlets of the five-way joint 43 respectively face the four side walls of the air guide sleeve body 1, the four air outlets of the five-way joint 43 are respectively connected with the air outlet pipe 42, the air outlet pipe 42 is respectively provided with the electromagnetic valve 41, when the transverse air outlet direction needs to be adjusted, the corresponding electromagnetic valve 41 can be opened as required, so as to open the corresponding air outlet pipe 42, thereby achieving the purpose of transversely adjusting the air outlet direction, the air outlet direction can be adjusted as required, the use is convenient, as shown in fig. 1, the control switch group 9 is arranged on the, the control switch group 9 electrically connects the motor 35 and the solenoid valve 41.
Example two:
the difference between this embodiment and the first embodiment is:
as shown in fig. 1, in this embodiment, the air guide sleeve further includes two mounting frames 5 and two mounting bolts 6, where the two mounting frames 5 are both in an inverted U shape, the two mounting frames 5 are respectively disposed at the front and rear ends of the upper surface of the air guide sleeve body 1, the mounting frames 5 are fixedly connected with the air guide sleeve body 1, two mounting holes are formed in the mounting frames 5, the mounting bolts 6 are disposed in the mounting holes, four spring gaskets 8 are all in a circular ring shape, and the spring gaskets 8 are respectively sleeved on the mounting bolts 6;
specifically, the mounting bracket 5 can be used for facilitating installation of the air guide sleeve body 1, and the spring washer 8 can be used for preventing the air guide sleeve body 1 from being installed unstably due to uneven walls.
Example three:
the difference between this embodiment and the first embodiment is:
as shown in fig. 2, in this embodiment, the sound-absorbing cotton 10 is further included, the sound-absorbing cotton 10 is one piece and is disposed on the upper surface inside the fairwater body 1, the sound-absorbing cotton 10 is fixedly connected with the fairwater body 1, four pieces of connecting plates 11 are provided, the lower ends of the connecting plates 11 are respectively sleeved on the air outlet pipes 42, and the upper ends of the connecting plates 11 are fixedly connected with the fairwater body 1;
specifically, inhale sound cotton 10 can effectually reduce because of the noise that the air current strikes kuppe body 1 and produce, connecting plate 11 can be used for fixing out tuber pipe 42.
When in use: when horizontal air-out direction is adjusted to needs, can open corresponding solenoid valve 41 as required, thereby get through corresponding air-out pipe 42, reach the purpose of horizontal regulation air-out direction, the direction of air-out can be adjusted as required, when the direction of vertical air-out is adjusted to needs, open motor 35, motor 35 can drive sprocket 33 and rotate, sprocket 33 can drive chain 34 and rotate, chain 34 can drive other three sprocket 33 and rotate, thereby drive guide plate 31 and rotate, thereby realize the purpose of vertical regulation air-out direction, it is more convenient to use.
It should be noted that the motor 35 disclosed in this embodiment may be of the type Y160M1-2, the solenoid valve 41 may be of the type JB/T4080, the core chip of the control switch group 9 is a PLC single chip, specifically of the type siemens S7-200, and the control switch group 9 controls the motor 35 and the solenoid valve 41 to operate by a method commonly used in the prior art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a new fan air outlet kuppe which characterized in that: the air guide sleeve comprises an air guide sleeve body (1), longitudinal adjusting units (3) and transverse adjusting units (4), wherein the air guide sleeve body (1) is cuboid and hollow, an air inlet pipe (2) is arranged on the upper surface of the air guide sleeve body (1), the lower end of the air inlet pipe (2) is communicated with the inside of the air guide sleeve body (1), air holes are formed in the lower surface of the air guide sleeve body (1) at equal intervals, through grooves are formed in four side walls of the air guide sleeve body (1), each longitudinal adjusting unit (3) comprises a guide plate (31), a rotating shaft (32), a chain wheel (33), a chain (34) and a motor (35), the number of the longitudinal adjusting units (3) is four, the longitudinal adjusting units are respectively arranged on the four side walls of the air guide sleeve body (1), each longitudinal adjusting unit (3) is provided with three rotating shafts (32), the longitudinal adjusting units are arranged in the through grooves at equal intervals, one, the other end of the rotating shaft (32) penetrates through the air guide sleeve body (1) and is fixedly connected with the chain wheel (33), the rotating shaft (32) is fixedly connected with the guide plate (31) on the part which is arranged in the through groove, the motor (35) is arranged on the upper surface of the air guide sleeve body (1), the motor (35) is fixedly connected with the chain wheel (33), the four chain wheels (33) are connected through a chain (34), the transverse adjusting unit (4) comprises an electromagnetic valve (41), an air outlet pipe (42) and a five-way joint (43), the five-way joint (43) is arranged in the five-way joint support plate (13), an air inlet of the five-way joint (43) is connected with the air inlet pipe (2), four air outlets of the five-way joint (43) respectively face four side walls of the air guide sleeve body (1), four air outlets of the five-way joint (43) are respectively connected with the air outlet pipe (, still include control switch group (9), the lateral wall of kuppe body (1) is arranged in to control switch group (9), and external power source is connected in control switch group (9) electricity, and motor (35) and solenoid valve (41) are connected in control switch group (9) electricity.
2. The fresh air fan air outlet dome of claim 1, wherein: still include mounting bracket (5) and construction bolt (6), mounting bracket (5) are two, and are down "U" shape, and both ends around kuppe body (1) upper surface are arranged respectively in two mounting brackets (5), fixed connection between mounting bracket (5) and the kuppe body (1), are equipped with two mounting holes on mounting bracket (5), are equipped with construction bolt (6) in the mounting hole.
3. The fresh air fan air outlet dome of claim 1, wherein: the air inlet pipe is characterized by further comprising a sealing ring (7), the sealing ring (7) is annular, and the sealing ring (7) is sleeved on the air inlet pipe (2) and is close to the position of the air guide sleeve body (1).
4. The fresh air fan air outlet dome of claim 2, wherein: still include spring shim (8), spring shim (8) are four, and are the ring shape, and spring shim (8) cup joints respectively on construction bolt (6).
5. The fresh air fan air outlet dome of claim 1, wherein: still including inhaling sound cotton (10), inhale sound cotton (10) and be one, and arrange the inside upper surface of kuppe body (1) in, inhale fixed connection between sound cotton (10) and the kuppe body (1).
6. The fresh air fan air outlet dome of claim 1, wherein: still include connecting plate (11), connecting plate (11) are four, and the lower extreme of connecting plate (11) cup joints respectively on air-out pipe (42), fixed connection between the upper end of connecting plate (11) and kuppe body (1).
7. The fresh air fan air outlet dome of claim 1, wherein: still include fly net (12), fly net (12) are one, and arrange the inside lower surface of kuppe body (1) in, fixed connection between fly net (12) and kuppe body (1).
CN201911271333.7A 2019-12-12 2019-12-12 New fan air outlet kuppe Pending CN111023540A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911271333.7A CN111023540A (en) 2019-12-12 2019-12-12 New fan air outlet kuppe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911271333.7A CN111023540A (en) 2019-12-12 2019-12-12 New fan air outlet kuppe

Publications (1)

Publication Number Publication Date
CN111023540A true CN111023540A (en) 2020-04-17

Family

ID=70208827

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911271333.7A Pending CN111023540A (en) 2019-12-12 2019-12-12 New fan air outlet kuppe

Country Status (1)

Country Link
CN (1) CN111023540A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113464499A (en) * 2021-08-06 2021-10-01 唐中强 Smoke exhaust fan with high safety performance

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10197001A (en) * 1997-01-08 1998-07-31 Daikin Ind Ltd Air conditioner
CN1580661A (en) * 2004-05-20 2005-02-16 上海交通大学 Cabinet air-conditioner with multi-directional air-blowing
CN203478556U (en) * 2013-09-13 2014-03-12 海尔集团公司 Air conditioner shell with adjustable air inlet area and air conditioner
CN207177130U (en) * 2017-08-18 2018-04-03 广州廓鑫建材有限公司 A kind of aluminum veneer
CN208475594U (en) * 2018-05-18 2019-02-05 南京优能空调系统有限公司 A kind of novel blowing distributor
CN208998177U (en) * 2018-09-21 2019-06-18 北京瑞洁源通科技发展有限公司 A kind of air conditioner of multi-direction outlet air

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10197001A (en) * 1997-01-08 1998-07-31 Daikin Ind Ltd Air conditioner
CN1580661A (en) * 2004-05-20 2005-02-16 上海交通大学 Cabinet air-conditioner with multi-directional air-blowing
CN203478556U (en) * 2013-09-13 2014-03-12 海尔集团公司 Air conditioner shell with adjustable air inlet area and air conditioner
CN207177130U (en) * 2017-08-18 2018-04-03 广州廓鑫建材有限公司 A kind of aluminum veneer
CN208475594U (en) * 2018-05-18 2019-02-05 南京优能空调系统有限公司 A kind of novel blowing distributor
CN208998177U (en) * 2018-09-21 2019-06-18 北京瑞洁源通科技发展有限公司 A kind of air conditioner of multi-direction outlet air

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113464499A (en) * 2021-08-06 2021-10-01 唐中强 Smoke exhaust fan with high safety performance
CN113464499B (en) * 2021-08-06 2024-01-30 德州尚龙环境科技有限公司 High security performance's exhaust fan

Similar Documents

Publication Publication Date Title
CN213942418U (en) Green building vent filter equipment
CN107023895A (en) A kind of many room indoor airs
CN111023540A (en) New fan air outlet kuppe
CN112190016A (en) Shoe cabinet based on smart home
CN108036418A (en) A kind of wall inserting air purifier
CN112902338A (en) Intelligent household ventilation device
CN207905055U (en) A kind of intelligent closestool with automatic cleaning function
CN215412318U (en) Air purification removes flavor disinfection new fan that disinfects
CN213841206U (en) New fan with wind gap control structure
CN206919304U (en) A kind of fresh air purification device for efficiently removing PM2.5
CN209076238U (en) A kind of environmental protection treatment engineering air cleaning unit
CN210772649U (en) Ventilation energy-saving equipment of green building
CN201181064Y (en) Ultraviolet disinfection sanitation system for air conditioner air-return vent
CN207622153U (en) A kind of wall inserting air purifier
CN219160577U (en) Air supply structure for air conditioner
CN219510950U (en) Indoor energy-saving ventilation structure of building
CN206739477U (en) A kind of air cleaner for carrying billboard
CN212108795U (en) External air purifier
CN220958767U (en) Laboratory ventilation device
CN215406377U (en) Ventilation, heat preservation and deodorization device for mobile public toilet
CN217511412U (en) Novel dust removal device of dust free chamber
CN215765601U (en) A indoor air purification device for wisdom hospital
CN215929967U (en) New fan of wall-hanging at home
CN220771331U (en) High-efficient return air inlet device that disinfects
CN218993582U (en) Vertical new fan

Legal Events

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

Application publication date: 20200417