CN109708234A - Ceiling mounting type Fresh air handling units for indoor air-changing - Google Patents

Ceiling mounting type Fresh air handling units for indoor air-changing Download PDF

Info

Publication number
CN109708234A
CN109708234A CN201811473359.5A CN201811473359A CN109708234A CN 109708234 A CN109708234 A CN 109708234A CN 201811473359 A CN201811473359 A CN 201811473359A CN 109708234 A CN109708234 A CN 109708234A
Authority
CN
China
Prior art keywords
handle
fresh air
air
lower case
group
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.)
Withdrawn
Application number
CN201811473359.5A
Other languages
Chinese (zh)
Inventor
方永强
陈祥忠
刘祖奇
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201811473359.5A priority Critical patent/CN109708234A/en
Publication of CN109708234A publication Critical patent/CN109708234A/en
Withdrawn legal-status Critical Current

Links

Landscapes

  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)

Abstract

The present invention is provided to the ceiling mounting type Fresh air handling units of indoor air-changing, comprising: lower case, Air Filter Filter Core replace window and refer to slot;The top left side of the upper housing be provided with one group described in fresh air air inlet;The left side lower inside of the lower case be fixedly connected with one group described in turbid wind eddies fan;Fresh air turbofan described in being fixedly connected with one group inside the right side of the lower case;The built-in handle is made of the handle base, the handle connecting rod, the handle, the magnet and the finger slot.By the way that new blower is arranged to lifting structure, which can use directly as furred ceiling, can directly pull down lower case in maintenance and safeguarded and repaired, and when maintenance is easy to operate, will not impact to the fitting-ups object such as existing furred ceiling;New blower is fixedly connected on floor by the flanged joint bar by the way that the telescopic structure that can be locked is arranged, stable connection, while can carry out installing new blower according to finishing height, easy to operate, adaptable.

Description

Ceiling mounting type Fresh air handling units for indoor air-changing
Technical field
The invention belongs to apparatus of air conditioning technical fields, more specifically, are in particular to used for the furred ceiling of indoor air-changing Formula Fresh air handling units.
Background technique
People require quality of life higher and higher with the improvement of living standards, and indoor air is increasingly by people Attention, new blower is widely used as a kind of machinery to indoor carry out air exchange by people, the new blower of ceiling mounting type Space is saved together as a kind of new blower being suspended in furred ceiling, and pipe arrangement facilitates etc., and reasons are widely used by people.
Such as application number: CN201420814484.9 the invention discloses a kind of new blower of ceiling mounting type, including fan body, Connector and more air hoses;Fan body is fixed by the supporting element on the Roofing slab of connector and installation space, blower sheet Body is equipped with fresh air inlet, fresh air outlet, air draft entrance and wind exhausting outlet;Fresh air outlet is connected with one or more air hose, For the outdoor fresh air sucked by fan body to be delivered to the different location of installation space;Air draft entrance and one or more Air hose is connected to be entered in fan body under the action of fan body for the old wind at the different location in installation space.This is new The new blower of the ceiling mounting type of type, what the waste and installation for solving installation space existing for the new blower of existing console mode were limited asks Topic;In addition, the new blower air supplying distance of the ceiling mounting type of the utility model is remote, the different location of installation space can be delivered to by air hose, The overlay area of fresh air is big, it is not easy to the situation of fresh air short circuit occurs, be suitble to the use of large space, more spaces.
Furthermore for another example another application number: the invention discloses a kind of new blowers of ceiling mounting type by CN201720529427.X, including Shell, outdoor air inlet, outdoor exhaust outlet, indoor return air mouth and indoor air outlet, shell is interior to intersect equipped with fresh air channel and returns Wind channel, the both ends of fresh air channel are respectively communicated with fresh air filtration members and air intake blower fan, and fresh air filtration members are connected to outdoor air inlet, Air intake blower fan is connected to indoor air outlet, and the both ends of return air channel are respectively communicated with indoor return air mouth and return air fan, return air fan It is connected to indoor return air mouth, the infall of fresh air channel and return air channel is equipped with heat exchanging core, includes new in heat exchanger core body Air holes road and return air duct, fresh air duct are all successively spaced by several vents and several sealing elements from bottom to top with return air duct It is superimposed, it is not connected between fresh air duct and return air duct.Present invention rate of heat exchange with higher and air are net Rate, structure deft design, connection and reasonable arrangement, long service life, and it is at low cost.
Based on the retrieval of above-mentioned two patent, and equipment in the prior art is combined to find, above equipment in use, Generally new blower is arranged in furred ceiling, due to the fitting-ups object such as furred ceiling when repairing and replacing Air Filter Filter Core In the presence of bringing greater inconvenience, the fitting-ups object such as existing furred ceiling can be destroyed when maintenance.
Summary of the invention
In order to solve the above technical problem, the present invention provides the ceiling mounting type Fresh air handling units for indoor air-changing, to solve one As by new blower be arranged in furred ceiling, repair and replace Air Filter Filter Core when depositing due to the fitting-ups object such as furred ceiling The problem of bringing greater inconvenience, the fitting-ups object such as existing furred ceiling can be destroyed when maintenance.
Purpose and effect of the present invention for the ceiling mounting type Fresh air handling units of indoor air-changing, are reached by technological means in detail below At:
For the ceiling mounting type Fresh air handling units of indoor air-changing, including it is lower case, Air Filter Filter Core replacement window, upper housing, new Wind air inlet, the outlet of turbid wind, mounting flange, seal groove, gasket, turbid wind eddies fan, Total heat exchange module, fresh air turbofan, air Filter core, turbid wind air intake vent guide vane, fresh air wind gate deflector, gas spring, built-in handle, handle base, handle connecting rod, Handle, magnet and refer to slot;The bottom of the upper housing by gas spring described in four groups slidably connect one group described in lower case;Institute State upper housing top right side be provided with one group described in the outlet of turbid wind;The top left side of the upper housing be provided with one group described in it is new Wind air inlet;The left side lower inside of the lower case be fixedly connected with one group described in turbid wind eddies fan;The right side of the lower case Inside be fixedly connected with one group described in fresh air turbofan;The right side lower inside of the lower case be plugged with one group described in air filtration Filter core;The inside of the lower case be fixedly connected with one group described in Total heat exchange module;It is hinged on the right side of the bottom surface of the lower case It is connected to fresh air wind gate deflector described in multiple groups;Hinge is connected to turbid wind air intake vent described in multiple groups and leads on the left of the bottom surface of the lower case Wind piece;Built-in handle described in being fixedly connected to one group at left and right sides of the bottom surface of the lower case;The built-in handle by The handle base, the handle connecting rod, the handle, the magnet and the finger slot are constituted.
Further, the top quadrangle of the upper housing be respectively arranged with one group described in mounting flange, the mounting flange Connecting rod is the telescopic structure that can be locked;
Further, the right side of the lower case be provided with one group described in Air Filter Filter Core replacement window;
Further, one group of U-shaped seal groove is offered at the bottom of the upper housing and the lower case sealing, Gasket described in being fixedly connected with one group in the seal groove, the lower case and gasket sealing cooperate;
Further, the turbid wind air intake vent guide vane is opened towards left side, and the fresh air wind gate deflector direction is right It opens side;
Further, be hinged handle connecting rod described in being connected to two groups at the top of the handle base, handle connecting rod top described in two groups It is common be hinged be connected to one group described in handle, the handle base be provided with one group described in magnet, the top surface setting of the handle base It is fluted, the handle connecting rod, the handle can be adsorbed in groove by the magnet when not used;
Further, the upper housing is engaged by clamping at the lower case sealing by chuck;
Further, the handle two sides offer one group of bowed finger slot.
Compared with prior art, the invention has the following beneficial effects:
By the way that new blower is arranged to lifting structure, which can use directly as furred ceiling, can in maintenance It is safeguarded and is repaired directly to pull down lower case, when maintenance is easy to operate, will not be to the fitting-ups object such as existing furred ceiling It impacts;New blower is fixedly connected on floor by the flanged joint bar by the way that the telescopic structure that can be locked is arranged, and is connected Stablize, while according to finishing height can carry out that new blower is installed, it is easy to operate, it is adaptable;By the way that built-in handle is arranged, Can store when not used will not influence beauty, occupy little space;By the way that turbid wind air intake vent guide vane, fresh air air outlet is arranged Air draught and air-out direction are arranged to different directions by guide vane, the air flowing in the room that can be sufficiently promoted, while It can prevent dust and other impurities from entering turbid wind air intake vent and the covering of fresh air air outlet again when not used.
Detailed description of the invention
Fig. 1 is that lower case of the invention pulls down state lower axle side structure schematic diagram.
Fig. 2 is axis side structure schematic diagram of the invention.
Fig. 3 is main view complete section structural schematic diagram of the invention.
Fig. 4 be in Fig. 3 of the invention A-A to schematic cross-sectional view.
Fig. 5 is B-B direction schematic cross-sectional view in Fig. 3 of the invention.
Fig. 6 is partial enlargement figure structure schematic representation at D in Fig. 5 of the invention.
Fig. 7 is built-in handle axis side structure schematic diagram of the invention.
Fig. 8 is built-in handle complete section structural schematic diagram of the invention.
In figure, the corresponding relationship of component names and accompanying drawing number are as follows:
1- lower case, 0101- Air Filter Filter Core replacement window, 2- upper housing, 0201- fresh air air inlet, the turbid wind of 0202- go out Mouthful, 0203- mounting flange, 0204- seal groove, 0205- gasket, the turbid wind eddies fan of 3-, 4- Total heat exchange module, the new wind eddies of 5- Fan, 6- Air Filter Filter Core, the turbid wind air intake vent guide vane of 7-, 8- fresh air wind gate deflector, 9- gas spring, 10- concealed Hand, 1001- handle base, 1002- handle connecting rod, 1003- handle, 1004- magnet, 1005- refer to slot.
Specific embodiment
Embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples.Following embodiment is used for Illustrate the present invention, but cannot be used to limit the scope of the invention.
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more;Term " on ", The orientation or positional relationship of the instructions such as "lower", "left", "right", "inner", "outside", " front end ", " rear end ", " head ", " tail portion " is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair Limitation of the invention.In addition, term " first ", " second ", " third " etc. are used for description purposes only, and should not be understood as instruction or Imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connected " " connects Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected;It can be machine Tool connection, is also possible to be electrically connected;It can be directly connected, it can also be indirectly connected through an intermediary.For this field For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Embodiment:
As shown in attached drawing 1 to attached drawing 8:
The present invention is provided to the ceiling mounting type Fresh air handling units of indoor air-changing, include: lower case 1, Air Filter Filter Core are more It changes window 0101, upper housing 2, fresh air air inlet 0201, turbid wind and exports 0202, mounting flange 0203, seal groove 0204, gasket 0205, turbid wind eddies fan 3, Total heat exchange module 4, fresh air turbofan 5, Air Filter Filter Core 6, turbid wind air intake vent guide vane 7, fresh air go out Air port guide vane 8, gas spring 9, built-in handle 10, handle base 1001, handle connecting rod 1002, handle 1003,1004 and of magnet Refer to slot 1005;The bottom of upper housing 2 slidably connects one group of lower case 1 by four groups of gas springs 9;The top right side of upper housing 2 It is provided with one group of turbid wind outlet 0202;The top left side of upper housing 2 is provided with one group of fresh air air inlet 0201;A left side for lower case 1 Side lower inside is fixedly connected with one group of turbid wind eddies fan 3;One group of fresh air turbofan 5 is fixedly connected with inside the right side of lower case 1;Under The right side lower inside of shell 1 is plugged with one group of Air Filter Filter Core 6;The inside of lower case 1 is fixedly connected with one group of full heat and hands over Change the mold block 4;It is hinged on the right side of the bottom surface of lower case 1 and is connected to multiple groups fresh air wind gate deflector 8;It is hinged on the left of the bottom surface of lower case 1 It is connected to the turbid wind air intake vent guide vane 7 of multiple groups;One group of built-in handle 10 is fixedly connected at left and right sides of the bottom surface of lower case 1; Built-in handle 10 is by handle base 1001, handle connecting rod 1002, handle 1003, magnet 1004 and refers to that slot 1005 is constituted.
Wherein, the top quadrangle of upper housing 2 is respectively arranged with one group of mounting flange 0203, and 0203 connecting rod of mounting flange is The telescopic structure that can be locked.
Wherein, the right side of lower case 1 is provided with one group of Air Filter Filter Core replacement window 0101.
Wherein, one group of U-shaped seal groove 0204, seal groove 0204 are offered at the bottom of upper housing 2 and 1 sealing of lower case It is inside fixedly connected with one group of gasket 0205, lower case 1 and the sealing of gasket 0205 cooperate.
Wherein, turbid wind air intake vent guide vane 7 is opened towards left side, and fresh air wind gate deflector 8 is opened towards right side.
Wherein, it is hinged at the top of handle base 1001 and is connected to two groups of handle connecting rods 1002, two groups of 1002 tops of handle connecting rod are common Hinge is connected to one group of handle 1003, and 1003 bottom of handle is provided with one group of magnet 1004, and the top surface of handle base 1001 is provided with recessed Handle connecting rod 1002, handle 1003 can be adsorbed in groove by slot by magnet 1004 when not used.
Wherein, upper housing 2 is engaged by clamping at 1 sealing of lower case by chuck.
Wherein, 1003 two sides of handle offer one group of bowed finger slot 1005.
When use: the present invention can be used directly as furred ceiling, and during installation, the connecting rod for adjusting mounting flange 0203 arrives The new blower is fixedly connected on floor by suitable length by mounting flange 0203;When in use, indoor turbid air is logical Cross 3 sucking of turbid wind eddies fan, Total heat exchange module 4 entered by the left side of Total heat exchange module 4, outdoor fresh air by fresh air into Air port 0201 enters the left side of Total heat exchange module 4, and turbid air and fresh air exchange heat in Total heat exchange module 4, by fresh air Heating, fresh air after heating entered by the right side of Total heat exchange module 4 by fresh air turbofan 5, Air Filter Filter Core 6, it is empty By entering room after the refraction of fresh air wind gate deflector 8 after the filtering of gas filter core 6, turbid air by heat exchange from The right hand top of Total heat exchange module 4 is discharged to outdoor by turbid wind outlet 0202;New blower is being repaired or is being carried out When replacing Air Filter Filter Core 6, by referring to that slot 1005 plucks out handle 1003, by pulling built-in handle 10 by lower case 1 It is fallen from upper housing 2, Air Filter Filter Core 6 is repaired and replaced to blower, after maintenance replacement up by lower case 1 It pushes away, is caught in lower case 1 again in upper housing 2.
The embodiment of the present invention is given for the purpose of illustration and description, and is not exhaustively or by this to send out It is bright to be limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Choosing Selecting and describe embodiment is and to make those skilled in the art to more preferably illustrate the principle of the present invention and practical application It will be appreciated that the present invention is to design various embodiments suitable for specific applications with various modifications.

Claims (8)

1. being used for the ceiling mounting type Fresh air handling units of indoor air-changing, it is characterised in that: this is used for the ceiling mounting type Fresh air handling units of indoor air-changing It include: lower case (1), Air Filter Filter Core replacement window (0101), upper housing (2), fresh air air inlet (0201), the outlet of turbid wind (0202), mounting flange (0203), seal groove (0204), gasket (0205), turbid wind eddies fan (3), Total heat exchange module (4), Fresh air turbofan (5), Air Filter Filter Core (6), turbid wind air intake vent guide vane (7), fresh air wind gate deflector (8), gas spring (9), built-in handle (10), handle base (1001), handle connecting rod (1002), handle (1003), magnet (1004) and finger slot (1005);The bottom of the upper housing (2) by gas spring (9) described in four groups slidably connect one group described in lower case (1);Institute State upper housing (2) top right side be provided with one group described in turbid wind outlet (0202);The top left side of the upper housing (2) is arranged Fresh air air inlet (0201) described in having one group;The left side lower inside of the lower case (1) be fixedly connected with one group described in turbid wind Turbofan (3);Fresh air turbofan (5) described in being fixedly connected with one group inside the right side of the lower case (1);The lower case (1) Right side lower inside be plugged with one group described in Air Filter Filter Core (6);The inside of the lower case (1) is fixedly connected with one group of institute State Total heat exchange module (4);It is hinged on the right side of the bottom surface of the lower case (1) and is connected to fresh air wind gate deflector (8) described in multiple groups; It is hinged on the left of the bottom surface of the lower case (1) and is connected to turbid wind air intake vent guide vane (7) described in multiple groups;The bottom of the lower case (1) Built-in handle (10) described in being fixedly connected to one group at left and right sides of face;The built-in handle (10) is by the handle base (1001), the handle connecting rod (1002), the handle (1003), the magnet (1004) and the finger slot (1005) are constituted.
2. being used for the ceiling mounting type Fresh air handling units of indoor air-changing as described in claim 1, it is characterised in that: the upper housing (2) Top quadrangle be respectively arranged with one group described in mounting flange (0203), mounting flange (0203) connecting rod is stretching of can locking Contracting formula structure.
3. being used for the ceiling mounting type Fresh air handling units of indoor air-changing as described in claim 1, it is characterised in that: the lower case (1) Right side be provided with one group described in Air Filter Filter Core replacement window (0101).
4. being used for the ceiling mounting type Fresh air handling units of indoor air-changing as described in claim 1, it is characterised in that: the upper housing (2) One group of U-shaped seal groove (0204) is offered at bottom and the lower case (1) sealing, is consolidated in the seal groove (0204) Surely gasket described in being connected with one group (0205), the lower case (1) and the gasket (0205) sealing cooperate.
5. as described in claim 1 be used for indoor air-changing ceiling mounting type Fresh air handling units, it is characterised in that: the upper housing (2) with It is engaged by clamping at lower case (1) sealing by chuck.
6. being used for the ceiling mounting type Fresh air handling units of indoor air-changing as described in claim 1, it is characterised in that: the turbid wind air intake vent is led Wind piece (7) is opened towards left side, and the fresh air wind gate deflector (8) is opened towards right side.
7. being used for the ceiling mounting type Fresh air handling units of indoor air-changing as described in claim 1, it is characterised in that: the handle base (1001) Top be hinged be connected to two groups described in handle connecting rod (1002), handle connecting rod (1002) top is hinged jointly described in two groups is connected to one group The handle (1003), handle (1003) bottom be provided with one group described in magnet (1004), the handle base (1001) Top surface setting is fluted, the handle connecting rod (1002), the handle (1003) can be passed through the magnet when not used (1004) it is adsorbed in groove.
8. being used for the ceiling mounting type Fresh air handling units of indoor air-changing as described in claim 1, it is characterised in that: the handle (1003) two Side offers one group of bowed finger slot (1005).
CN201811473359.5A 2018-12-04 2018-12-04 Ceiling mounting type Fresh air handling units for indoor air-changing Withdrawn CN109708234A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811473359.5A CN109708234A (en) 2018-12-04 2018-12-04 Ceiling mounting type Fresh air handling units for indoor air-changing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811473359.5A CN109708234A (en) 2018-12-04 2018-12-04 Ceiling mounting type Fresh air handling units for indoor air-changing

Publications (1)

Publication Number Publication Date
CN109708234A true CN109708234A (en) 2019-05-03

Family

ID=66255468

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811473359.5A Withdrawn CN109708234A (en) 2018-12-04 2018-12-04 Ceiling mounting type Fresh air handling units for indoor air-changing

Country Status (1)

Country Link
CN (1) CN109708234A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115751551A (en) * 2022-11-16 2023-03-07 三峡大学 Ventilation equipment for building energy conservation and emission reduction

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI118188B (en) * 2004-09-09 2007-08-15 Chiller Oy Kasettelement
CN102748829A (en) * 2012-07-31 2012-10-24 北京环都人工环境科技有限公司 Thin heat exchange type air interchanger
CN203716379U (en) * 2013-12-17 2014-07-16 嘉兴奥威狮集成家居科技有限公司 Mobile network equipment control-based portable integrated ceiling
CN205619500U (en) * 2016-04-21 2016-10-05 吴有谊 New fan of suspension type total heat exchange
CN206258793U (en) * 2016-12-13 2017-06-16 郑州云海信息技术有限公司 A kind of machine box for server for being provided with hiding handle
CN208059188U (en) * 2018-02-01 2018-11-06 天宫重庆科技股份有限公司 A kind of ceiling mounting type Total heat exchange fresh air purifier with interior circulatory function

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI118188B (en) * 2004-09-09 2007-08-15 Chiller Oy Kasettelement
CN102748829A (en) * 2012-07-31 2012-10-24 北京环都人工环境科技有限公司 Thin heat exchange type air interchanger
CN203716379U (en) * 2013-12-17 2014-07-16 嘉兴奥威狮集成家居科技有限公司 Mobile network equipment control-based portable integrated ceiling
CN205619500U (en) * 2016-04-21 2016-10-05 吴有谊 New fan of suspension type total heat exchange
CN206258793U (en) * 2016-12-13 2017-06-16 郑州云海信息技术有限公司 A kind of machine box for server for being provided with hiding handle
CN208059188U (en) * 2018-02-01 2018-11-06 天宫重庆科技股份有限公司 A kind of ceiling mounting type Total heat exchange fresh air purifier with interior circulatory function

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115751551A (en) * 2022-11-16 2023-03-07 三峡大学 Ventilation equipment for building energy conservation and emission reduction
CN115751551B (en) * 2022-11-16 2023-07-04 三峡大学 Ventilation and ventilation equipment for building energy conservation and emission reduction

Similar Documents

Publication Publication Date Title
JP7288506B2 (en) Air conditioner indoor unit with outside air assembly
CN201304607Y (en) Air circulation type internal-dedusting vertical dry sanding platform
CN205517080U (en) Weaving is air filter for equipment
CN207214333U (en) A kind of window Fresh air handling units of adjustable flange and its composition
CN208628000U (en) A kind of air compressor dust-extraction unit
CN109708234A (en) Ceiling mounting type Fresh air handling units for indoor air-changing
CN101846376A (en) Combined fresh air system
CN214480125U (en) Air supply device of traction motor
CN215605467U (en) Maintenance station and floor sweeping cleaning device
CN208686650U (en) A kind of external air pipe device of FFU air inlet
CN208365740U (en) A kind of new blower of wall-hanging
CN209541102U (en) A kind of noise-reduction type fresh air system
JP2017106676A (en) Air conditioning system
CN209147347U (en) A kind of cabinet type purifying fresh air ventilator
CN110822697A (en) Air filtering mechanism and fresh air system applying same
CN111219832A (en) Formula of making an uproar new trend system falls
CN218269431U (en) New fan easy to assemble
CN209279337U (en) A kind of new blower
CN209101497U (en) Equipment room fresh air ventilating
CN219454115U (en) Thousand-level clean workshop blowing and ventilating structure
CN208998173U (en) A kind of aeration device and air conditioner indoor unit
CN218120057U (en) Heating ventilation device
CN210511960U (en) Novel intelligent combined type purification air-conditioning air supply unit
CN208936420U (en) A kind of two-way heat recovery fresh air device having bypass function
CN216114645U (en) Filtering type medical air-conditioning pipeline

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
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20190503