CN111023313A - Filtering device for air return opening of central air-conditioning fan coil and mounting method thereof - Google Patents
Filtering device for air return opening of central air-conditioning fan coil and mounting method thereof Download PDFInfo
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- CN111023313A CN111023313A CN201911127422.4A CN201911127422A CN111023313A CN 111023313 A CN111023313 A CN 111023313A CN 201911127422 A CN201911127422 A CN 201911127422A CN 111023313 A CN111023313 A CN 111023313A
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- outer frame
- fan coil
- air inlet
- frame
- buckle plate
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 18
- 238000001914 filtration Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000009434 installation Methods 0.000 claims abstract description 22
- 238000001179 sorption measurement Methods 0.000 claims abstract description 8
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 66
- 239000000428 dust Substances 0.000 claims description 41
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 26
- 239000002245 particle Substances 0.000 claims description 15
- 230000000903 blocking effect Effects 0.000 claims description 13
- 229910000838 Al alloy Inorganic materials 0.000 claims description 12
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000004140 cleaning Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- 239000004677 Nylon Substances 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 229920001778 nylon Polymers 0.000 description 3
- 238000004887 air purification Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
- F24F1/0073—Indoor units, e.g. fan coil units with means for purifying supplied air characterised by the mounting or arrangement of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
Abstract
The invention relates to a filter device for an air return inlet of a central air-conditioning fan coil and an installation method thereof, wherein the filter device comprises an outer frame and a filter assembly, wherein the outer frame is connected to the indoor top wall and covers the air return inlet; a buckle plate is hinged to the inner side wall of the outer frame, an installation square hole for installing a filtering component is concavely arranged on one side of the buckle plate close to the direction of the air return opening, an air hole communicated with the installation square hole is formed in one side of the buckle plate facing downwards, and the area of the air hole is smaller than that of the installation square hole; the buckle plate is far away from one side of the rotary connection part of the buckle plate and the outer frame and is connected with a magnetic part, and an adsorption part magnetically attracted with the magnetic part is arranged on the inner side wall of the mounting square hole. The invention has the effect of convenient installation, maintenance, replacement and cleaning of the filter assembly.
Description
Technical Field
The invention relates to the technical field of air purification, in particular to a filter device for an air return opening of a central air-conditioning fan coil and an installation method thereof.
Background
At present, buildings such as office buildings and hotels usually adopt central air conditioners for heating and cooling because of the particularity of the buildings, but with the increasingly serious air pollution, the air problems are also emphasized while the central air conditioners are popularized.
The traditional Chinese patent with the publication number of CN205481455U provides an air inlet air purification device of a central air conditioner, which comprises an air inlet pipe, wherein the air inlet pipe is a transparent pipeline, an air inlet is formed in the left end of the air inlet pipe, an air duct is formed in the air inlet pipe, a dust storage chamber is arranged on the lower side wall of the air inlet pipe, a decomposition net and an active carbon filter screen are obliquely inserted into the upper side wall of the air inlet pipe, a micro-electrolysis module, an active carbon module and a photocatalysis module are further arranged in the air duct, the right end of the air inlet pipe is connected with a shell through a connecting pipe, a fan coil is arranged in the shell, an air outlet is formed in one end of the fan coil.
The above prior art solutions have the following drawbacks: the air inlet of the central air conditioner is often arranged at the top of the room, and the active carbon passing net and the decomposing net are both arranged in the air inlet pipe, so that the maintenance and the replacement are difficult, and the improvement is needed.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a filter device for a return air inlet of a central air-conditioning fan coil, which has the advantages of convenience in replacement and maintenance.
The above object of the present invention is achieved by the following technical solutions:
a filter device for the return air inlet of a central air-conditioning fan coil comprises an outer frame and a filter assembly, wherein the outer frame is connected to the indoor top wall and covers the return air inlet; a buckle plate is hinged to the inner side wall of the outer frame, an installation square hole for installing a filtering component is concavely arranged on one side of the buckle plate close to the direction of the air return opening, an air hole communicated with the installation square hole is formed in one side of the buckle plate facing downwards, and the area of the air hole is smaller than that of the installation square hole; the buckle plate is far away from one side of the rotary connection part of the buckle plate and the outer frame and is connected with a magnetic part, and an adsorption part magnetically attracted with the magnetic part is arranged on the inner side wall of the mounting square hole.
Through adopting above-mentioned technical scheme, filter equipment direct mount in this example is at indoor top, and it includes frame and buckle, and the buckle can overturn downwards to can be very convenient take out filter assembly, with change and clearance.
The invention is further configured to: the frame width direction's both sides all are provided with the sleeve pipe, two all insert in the sleeve pipe and be equipped with the bolt, two the bolt stretches out sheathed tube one end all is connected with the fixed block, two the fixed block all lies in frame with one side and be fixed in indoor roof.
By adopting the technical scheme, the two fixing blocks are respectively arranged on the indoor top wall, the bolt is arranged on the fixing blocks, the sleeve is arranged on the outer frame, and the outer frame is quickly arranged through the matching of the bolt and the sleeve; frame direct mount is at indoor roof, and such mounting means is simple convenient, later stage easy maintenance.
The invention is further configured to: two the one end that the fixed block direction was kept away from to the bolt all stretches out the sheathed tube outside, just the gag lever post that is equipped with and offsets with sheathed tube lateral wall is all inserted to the one end that the fixed block direction was kept away from to two bolts, the length direction of gag lever post direction is on a parallel with the horizontal plane and the length direction of perpendicular to bolt.
Through adopting above-mentioned technical scheme, the gag lever post is inserted and is established on the bolt to be located the ascending position of bolt length direction to the sleeve pipe and restrict, thereby prevent the sleeve pipe slippage, strengthened the fixed to the frame.
The invention is further configured to: two be provided with the device of drawing to each other between the gag lever post, the device of drawing to each other sets up on the frame is close to the lateral wall of gag lever post direction, including sliding the slider of connecting in frame width direction both sides and setting up the pull rod of keeping away from each other side direction one side each other at two sliders, two the one end that the other side direction was kept away from each other to the pull rod is connected respectively in two gag lever posts.
Through adopting above-mentioned technical scheme, the removal through the slider drives the pull rod and removes, and the pull rod removes and drives the gag lever post removal, like this, connects the gag lever post on the frame to prevent that the gag lever post loses in the maintenance process.
The invention is further configured to: the lateral wall of frame sets up the spout that supplies two sliders to slide respectively, two all be provided with the spring in the spout, the lateral wall in spout and the lateral wall of slider are connected respectively to the both ends of spring length direction.
Through adopting above-mentioned technical scheme, when installing the framed outward, the slider slides in the spout to compress the spring, embolia the sleeve pipe on the bolt, the slider is taken off in the pine, under the spring action of spring, the slider pops out, drives the pull rod and removes, and the pull rod drives the gag lever post and inserts on the bolt, has made things convenient for staff's operation.
The invention is further configured to: the outer side walls of the two sliding blocks are connected with shifting pieces extending out of the sliding grooves.
Through adopting above-mentioned technical scheme, the plectrum is connected on the slider to stretch out the outside of spout, thereby through the slip of plectrum operation slider, make things convenient for staff's operation.
The invention is further configured to: the filter component comprises a dust removal module and a formaldehyde removal module, the dust removal module comprises an aluminum alloy frame and a dust removal net, and the formaldehyde removal module comprises a honeycomb plate, a blocking net and formaldehyde removal particles arranged in holes of the honeycomb plate.
By adopting the technical scheme, the filtering assembly consists of the dust removal module and the formaldehyde removal module, the dust removal module mainly plays a role in blocking dust in air, and the formaldehyde removal module mainly absorbs formaldehyde in air; compared with an air purifier on the market, the air purifier has no electric energy loss, no noise and environmental protection benefit.
The invention is further configured to: the formaldehyde removing particles are activated carbon particles.
Through adopting above-mentioned technical scheme, active carbon has very strong adsorption efficiency, can effectively adsorb the formaldehyde in the air, and with low costs, life cycle is long.
The invention is further configured to: both sides on the width direction of the dust removal net are provided with elastic snap rings, and two mounting grooves for embedding the elastic snap rings are formed in two opposite inner side walls in the width direction of the aluminum alloy frame.
Through adopting above-mentioned technical scheme, can dismantle the connection in the mounting groove through elastic snap ring to realize removing dust and being connected dismantling between net and the aluminum alloy frame, be convenient for dismantle the net that removes dust, so that wash the dust of the net upper adhesion that removes dust.
The second aim of the invention is realized by the following technical scheme:
the installation method of the filtering device applied to the return air inlet of the central air-conditioning fan coil comprises the following steps:
s01, assembling the formaldehyde removal module, pouring activated carbon particles into the holes of the honeycomb plate, adhering the baffle plate to the honeycomb plate, and plugging the activated carbon particles;
s02, assembling the dust removal module, and installing the dust removal net in the inner frame of the aluminum alloy to enable the elastic clamping ring to be clamped in the installation groove;
s03, fixing the dust removal module on the dust removal module through bolts;
s04, mounting the buckle plate on the outer frame, adhering the magnetic part on the buckle plate, and fixing the adsorption part on the inner side wall of the outer frame; fixing the sleeves on two sides of the outer frame in the width direction respectively; installing the sliding block and the spring in a sliding groove on the outer frame;
s05, fixing two bolts on the fixing blocks respectively, and installing the two fixing blocks on the indoor top wall to enable the fixing blocks to be located on two sides of the width direction of the air return opening respectively;
and S06, mounting the outer frame on the indoor top wall, sleeving the two sleeves on the bolts respectively, and inserting the limiting rods into the holes on the bolts.
By adopting the technical scheme, the filtering device in the embodiment is directly arranged at the indoor top and comprises the outer frame and the pinch plate, and the pinch plate can be turned downwards, so that the filtering component can be taken out very conveniently for replacement and cleaning; the whole filtering device is simple in installation process, high in installation efficiency and convenient for later maintenance; the damage to the secondary processing of the indoor building is very small; and the adopted blocking net, the dust removing net and the active carbon purify the air, so that the air purifier has no noise, no power consumption, environmental protection and high efficiency.
In conclusion, the beneficial technical effects of the invention are as follows:
1. the filtering device is directly arranged at the top of the room and comprises an outer frame and a buckle plate, and the buckle plate can be turned downwards, so that the filtering component can be taken out very conveniently for replacement and cleaning;
2. the adopted blocking net, the dust removing net and the active carbon are used for purifying air, so that no noise, no electricity consumption, environmental protection and high efficiency are realized;
3. the outer frame is installed in a mode that the sleeve is matched with the bolt, the installation method is simple and rapid, and later-stage maintenance is facilitated.
Drawings
FIG. 1 is a schematic view of a filter arrangement for the return air inlet of a central air conditioning fan coil.
FIG. 2 is a disassembled view of the embodiment for embodying the structure of the buckle plate.
Fig. 3 is a disassembled schematic view for embodying the counter-pulling device in the embodiment.
Fig. 4 is a sectional view for embodying a dust removal module in the embodiment.
In the figure, 1, an outer frame; 11. a sleeve; 111. a bolt; 1111. a fixed block; 1112. a limiting rod; 12. a chute; 121. a spring; 2. a filter assembly; 21. a dust removal module; 211. an aluminum alloy frame; 2111. mounting grooves; 212. a dust removal net; 2121. an elastic snap ring; 22. a formaldehyde removal module; 221. a honeycomb panel; 222. blocking the net; 3. buckling the plate; 31. installing a square hole; 32. a wind hole; 33. a magnetic member; 34. an adsorbing member; 4. a counter-pulling device; 41. a slider; 411. a shifting sheet; 42. a pull rod.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, the filtering device for the return air inlet of the fan coil of the central air conditioner disclosed by the invention comprises an outer frame 1 and a filtering component 2, wherein sleeves 11 are arranged on two sides of the outer frame 1 in the width direction, bolts 111 are inserted into the two sleeves 11, the length directions of the two bolts 111 are parallel to the horizontal plane, one ends of the two bolts 111 extending out of the sleeves 11 are connected with fixing blocks 1111, the two fixing blocks 1111 are positioned on the same side of the outer frame 1 in the length direction, and the two fixing blocks 1111 are fixed on the indoor top wall through screws, so that the outer frame 1 is installed at the return air inlet. The inner side wall of the outer frame 1 is hinged with a buckle plate 3, one side of the buckle plate 3 close to the direction of the return air inlet is concavely provided with an installation square hole 31 for installing the filter component 2, one side of the buckle plate 3 facing downwards is provided with an air hole 32 communicated with the installation square hole 31, and the area of the air hole 32 is smaller than that of the installation square hole 31; the buckle 3 is kept away from its one side with frame 1 rotation junction and glues inherent magnet piece, and the magnet piece is as magnetic part 33, and the inside wall of installation square hole 31 is provided with the iron plate that attracts mutually with magnet piece magnetism, and the iron plate is as adsorbing 34, and when magnet piece and iron plate adsorb each other to fix buckle 3.
Referring to fig. 1 and 3, a limiting rod 1112 abutting against a pipe orifice of the sleeve 11 is inserted into one end of each of the two bolts 111 far away from the fixing block 1111, the length direction of the limiting rod 1112 is parallel to the horizontal plane and perpendicular to the length direction of the bolt 111, and the position of the sleeve 11 in the length direction of the bolt 111 is limited by the limiting rod 1112; the spout 12 of two T types has been seted up to one side that frame 1 is close to the gag lever post 1112 direction, the length direction of two spout 12 all is unanimous with the width direction of frame 1, be provided with between two gag lever posts 1112 and to pulling device 4, pull device 4 including slide respectively connect in the slider 41 of two spout 12 and keep away from the pull rod 42 of other side direction one side each other at two sliders 41 through the fix with screw respectively, and two pull rod 42 keep away from the one end of slider 41 direction and stick firmly with two gag lever posts 1112 respectively mutually, slider 41 drives pull rod 42 and removes in the length direction of spout 12, pull rod 42 drives gag lever post 1112 and removes, thereby realize the swing joint between gag lever post 1112 and bolt 111.
Referring to fig. 1 and 3, a spring 121 is disposed in each of the two sliding grooves 12, two ends of the spring 121 abut against an inner side wall of the sliding groove 12 and an outer side wall of the sliding block 41, when the spring 121 is in a free state, the limiting rod 1112 is inserted into the plug pin 111, when the sliding block 41 moves to a side close to the direction of the spring 121, the spring 121 is compressed, and meanwhile, the sliding block 41 drives the pull rod 42 to move, and the pull rod 42 drives the limiting rod 1112 to be pulled out of the plug pin 111. The outer side walls of the two sliders 41 are integrally formed with a shifting piece 411 extending to the outside of the sliding groove 12, and the sliders 41 can be conveniently slid through the shifting piece 411.
Referring to fig. 1 and 4, the filter assembly 2 includes a dust removal module 21 and a formaldehyde removal module 22, the dust removal module 21 includes an aluminum alloy frame 211 and a dust removal net 212, the dust removal net 212 is a nylon net, elastic snap rings 2121 are adhered to both sides of the dust removal net 212 in the width direction, the elastic snap rings 2121 are made of nylon through hot melting, and mounting grooves 2111 for the elastic snap rings 2121 to be clamped into are formed in the inner side walls of the aluminum alloy frame 211 in the width direction, so that the dust removal net 212 can be mounted on the aluminum alloy frame 211 quickly.
Referring to fig. 1, the formaldehyde removing module 22 includes a honeycomb panel 221, two blocking nets 222 and formaldehyde removing particles (not shown in the figure) filled in the holes of the honeycomb panel 221, wherein the two blocking nets 222 are nylon nets and are respectively adhered to two sides of the honeycomb panel 221 in the thickness direction; the formaldehyde removing particles are activated carbon particles, and the activated carbon has strong adsorption performance and is mainly used for absorbing formaldehyde in air.
A method for installing a filter device used for the return air inlet of the central air-conditioning fan coil comprises the following steps:
s01, assembling the formaldehyde removal module 22, namely, firstly, thermally pressing and adhering a blocking net 222 on the honeycomb plate 221 through a hot press, pouring prepared activated carbon particles into holes of the honeycomb plate 221, then adhering the blocking net 222 on the other side of the honeycomb plate 221, and blocking the activated carbon particles;
s02, assembling the dust removal module 21, and installing the dust removal net 212 in the inner frame of the aluminum alloy, so that the elastic clamp ring 2121 is clamped in the installation groove 2111, and the dust removal net 212 is clamped;
s03, fixing the dust removal module 21 to the dust removal module 21 by bolts;
s04, mounting the buckle 3 on the outer frame 1 through a hinge, adhering the magnetic part 33 on the buckle 3, and fixing the adsorption part 34 on the inner side wall of the outer frame 1; the sleeve 11 is respectively fixed on the two sides of the outer frame 1 in the width direction through screws; fixing the pull rod 42 on the sliding block 41 through a screw, and then installing the sliding block 41 and the spring 121 into the sliding groove 12 on the outer frame 1;
s05, welding two bolts 111 on two fixing blocks 1111 respectively, and installing the two fixing blocks 1111 on the indoor top wall through self-tapping screws, so that the two fixing blocks 1111 are located on the same side of the air inlet in the length direction and located on two sides of the air inlet in the width direction respectively;
s06, the outer frame 1 is mounted on the top wall of the room so that the two sleeves 11 are respectively sleeved on the pins 111, then the position-limiting rod 1112 is inserted into the hole on the pin 111, and the end of the position-limiting rod 1112 and the end of the pull rod 42 are adhered together.
The implementation principle of the embodiment is as follows: the filter device in this example is directly installed at the indoor top and comprises an outer frame 1 and a buckle plate 3, and the buckle plate 3 can be turned downwards, so that the dust removal module 21 and the formaldehyde removal module 22 placed on the buckle plate 3 can be conveniently taken out for replacement and cleaning.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (10)
1. The utility model provides a filter equipment that is used for central air conditioning fan coil's return air inlet which characterized in that: the air conditioner comprises an outer frame (1) and a filtering component (2), wherein the outer frame (1) is connected to the indoor top wall and covers an air return opening; a buckle plate (3) is hinged to the inner side wall of the outer frame (1), an installation square hole (31) for installing the filtering component (2) is formed in one side, close to the air return opening, of the buckle plate (3) in a concave mode, an air hole (32) communicated with the installation square hole (31) is formed in one side, facing the lower side, of the buckle plate (3), and the area of the air hole (32) is smaller than that of the installation square hole (31); one side of the buckle plate (3) far away from the rotary connection part of the buckle plate and the outer frame (1) is connected with a magnetic part (33), and an adsorption part (34) which is magnetically attracted with the magnetic part (33) is arranged on the inner side wall of the mounting square hole (31).
2. The filter arrangement for the return air inlet of a central air conditioning fan coil of claim 1, further comprising: frame (1) width direction's both sides all are provided with sleeve pipe (11), two all insert in sleeve pipe (11) and be equipped with bolt (111), two bolt (111) stretch out the one end of sleeve pipe (11) and all are connected with fixed block (1111), two fixed block (1111) all lie in the length direction of frame (1) with one side and be fixed in indoor roof.
3. The filter arrangement for the return air inlet of a central air conditioning fan coil of claim 2, further comprising: two the one end that fixed block (1111) direction was kept away from in bolt (111) all stretches out the outside of sleeve pipe (11), just the one end that fixed block (1111) direction was kept away from in two bolt (111) all inserts gag lever post (1112) that are equipped with and offset with the lateral wall of sleeve pipe (11), the length direction of gag lever post (1112) is on a parallel with the horizontal plane and is perpendicular to the length direction of bolt (111).
4. The filter arrangement for the return air inlet of a central air conditioning fan coil of claim 3, further comprising: two be provided with between gag lever post (1112) and to drawing device (4), to drawing device (4) and setting up on frame (1) is close to the lateral wall of gag lever post (1112) direction, including sliding and connecting slider (41) in frame (1) width direction both sides and setting up pull rod (42) of keeping away from each other side direction one side each other at two slider (41), two pull rod (42) keep away from each other the one end of each other side direction and connect respectively in two gag lever posts (1112).
5. The filter arrangement for the return air inlet of a central air conditioning fan coil of claim 4, wherein: the outer side wall of the outer frame (1) is provided with sliding grooves (12) for the two sliding blocks (41) to slide respectively, springs (121) are arranged in the sliding grooves (12), and the two ends of the springs (121) in the length direction are connected to the side wall of the sliding grooves (12) and the outer side wall of the sliding blocks (41) respectively.
6. The filter arrangement for the return air inlet of a central air conditioning fan coil of claim 5, wherein: the outer side walls of the two sliding blocks (41) are connected with shifting pieces (411) extending out of the sliding groove (12).
7. The filter arrangement for the return air inlet of a central air conditioning fan coil of claim 1, further comprising: the filter assembly (2) comprises a dust removal module (21) and a formaldehyde removal module (22), wherein the dust removal module (21) comprises an aluminum alloy frame (211) and a dust removal net (212), and the formaldehyde removal module (22) comprises a honeycomb plate (221), a blocking net (222) and formaldehyde removal particles arranged in holes of the honeycomb plate (221).
8. The filter arrangement for the return air inlet of a central air conditioning fan coil of claim 7, wherein: the formaldehyde removing particles are activated carbon particles.
9. The filtering device for the return air inlet of a fan coil of a central air-conditioner according to claim 8, wherein: both sides on the width direction of the dust removal net (212) are provided with elastic snap rings (2121), and two mounting grooves (2111) for the elastic snap rings (2121) to be embedded are formed in two opposite inner side walls in the width direction of the aluminum alloy frame (211).
10. A method for mounting a filter device applied to the return air inlet of the central air-conditioning fan coil unit as claimed in claims 1 to 9, wherein the method comprises the following steps: the method comprises the following steps:
s01, assembling the formaldehyde removal module (22), pouring activated carbon particles into the holes of the honeycomb plate (221), adhering the blocking net (222) to the honeycomb plate (221), and blocking the activated carbon particles;
s02, assembling the dust removal module (21), and installing the dust removal net (212) into the inner frame of the aluminum alloy, so that the elastic snap ring (2121) is clamped in the installation groove (2111);
s03, fixing the dust removal module (21) on the dust removal module (21) through bolts;
s04, mounting the buckle plate (3) on the outer frame (1), adhering the magnetic part (33) on the buckle plate (3), and fixing the adsorption part (34) on the inner side wall of the outer frame (1); the sleeve pipes (11) are respectively fixed on the two sides of the outer frame (1) in the width direction; the sliding block (41) and the spring (121) are arranged in a sliding groove (12) on the outer frame (1);
s05, fixing two bolts (111) on the fixing blocks (1111) respectively, and installing the two fixing blocks (1111) on the indoor top wall to enable the fixing blocks to be positioned on the two sides of the width direction of the air return opening respectively;
s06, the outer frame (1) is installed on the indoor top wall, so that the two sleeves (11) are respectively sleeved on the bolt (111), and then the limiting rod (1112) is inserted into the hole on the bolt (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911127422.4A CN111023313A (en) | 2019-11-18 | 2019-11-18 | Filtering device for air return opening of central air-conditioning fan coil and mounting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911127422.4A CN111023313A (en) | 2019-11-18 | 2019-11-18 | Filtering device for air return opening of central air-conditioning fan coil and mounting method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111023313A true CN111023313A (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911127422.4A Pending CN111023313A (en) | 2019-11-18 | 2019-11-18 | Filtering device for air return opening of central air-conditioning fan coil and mounting method thereof |
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| CN (1) | CN111023313A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112303740A (en) * | 2020-10-18 | 2021-02-02 | 牛建康 | Ventilation system of centralized central air conditioner |
| WO2021253266A1 (en) * | 2020-06-17 | 2021-12-23 | 南京中弘华飞信息科技有限公司 | Easy-install fan filtering mechanism |
| CN114733277A (en) * | 2022-02-28 | 2022-07-12 | 南通康净环保科技有限公司 | Environment-friendly durable air filter screen and manufacturing process thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114733277A (en) * | 2022-02-28 | 2022-07-12 | 南通康净环保科技有限公司 | Environment-friendly durable air filter screen and manufacturing process thereof |
| CN114733277B (en) * | 2022-02-28 | 2023-11-03 | 南通康净环保科技有限公司 | Environment-friendly durable air filter screen and manufacturing process thereof |
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