CN210688606U - Vertical noise reduction type fresh air purification cabinet - Google Patents
Vertical noise reduction type fresh air purification cabinet Download PDFInfo
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- CN210688606U CN210688606U CN201920730265.5U CN201920730265U CN210688606U CN 210688606 U CN210688606 U CN 210688606U CN 201920730265 U CN201920730265 U CN 201920730265U CN 210688606 U CN210688606 U CN 210688606U
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Abstract
The utility model discloses a vertical type of making an uproar type new trend air purification cabinet-type air conditioner that falls. The air conditioner comprises a shell, wherein an inner cavity of the shell is sequentially provided with a first cavity, a second cavity, an exhaust fan placing cavity, a heat exchanger placing cavity and a fresh air fan placing cavity from top to bottom; the top end of the shell is provided with a fresh air discharge structure communicated with the first cavity; a second noise reduction device and the first exhaust pipeline are adjacently arranged in the second cavity; a first noise reduction device is arranged on the lower end face of the first cavity; the second exhaust pipeline and the third exhaust pipeline are arranged in parallel; the input end of the exhaust fan is communicated with the exhaust output end of the heat exchanger, and the output end of the exhaust fan is communicated with the exhaust air outlet; the input end of the fresh air fan is communicated with the fresh air output end on the heat exchanger through the third exhaust pipeline, and the output end of the fresh air fan is communicated with the second exhaust pipeline. The utility model has the advantages of realize the exchange of indoor air and outdoor air, noise when reducing the operation.
Description
Technical Field
The utility model relates to an air conditioning equipment technical field, the more specifically type of making an uproar new trend air purification cabinet-type machine falls that says so.
Background
Along with the improvement of living standard, the requirement of people on the indoor air quality is higher and higher, equipment capable of improving the indoor air quality is more and more popular with people, the equipment capable of improving the indoor air quality is gradually a hot commodity of household appliances, and at present, the equipment capable of improving the air quality is mainly provided with an air purifier and a fresh air purifier.
Air purifier settles at indoor independent machine, and it realizes the filtration to the room air through installing the filter screen in air purifier inside, and above-mentioned air purifier though can purify (filter) the room air, but it can not realize the interconversion of room air and outdoor air, when being indoor in airtight annular (can produce a large amount of carbon dioxide because people's activity this moment, can consume oxygen), above-mentioned air purifier's air-purifying effect is unobvious, and can make the people who is located indoor produce situations such as dizziness, sultriness.
The fresh air purifier (fresh air fan) is a device capable of realizing the mutual conversion of indoor air and outdoor air, and the fresh air purifier in the current market has more varieties and different functions; the fresh air purifier in the prior art has the similar defects (namely, the noise is larger), the noise seriously affects the normal life of people, and the influence of the noise on the life of people is reduced by installing the fresh air fan at an indoor corner in the prior art, but the problem of larger noise cannot be fundamentally solved; indoor environments (such as homes, classrooms, wards and the like) need to reject noise, and people (such as old people, children and the like) who reject noise can be provided with comfortable environments.
Therefore, it is urgently needed to develop a fresh air purifier which can realize the exchange between indoor air and outdoor air, save space, filter the indoor air and reduce noise.
Disclosure of Invention
The utility model aims at providing a vertical type of making an uproar new trend air purification cabinet-type air-conditioner falls saves space, can realize the exchange of room air and outdoor air, can filter the room air, the utility model discloses noise when can reducing the operation, even running.
In order to realize the purpose, the technical scheme of the utility model is that: vertical type of making an uproar new trend air purification cabinet-type air conditioner falls, including casing, heat exchanger, the fan and the new trend fan of airing exhaust, its characterized in that: the inner cavity of the shell is sequentially provided with a first cavity, a second cavity, an exhaust fan placing cavity, a heat exchanger placing cavity and a fresh air fan placing cavity from top to bottom; the top end of the shell is provided with a fresh air exhaust structure communicated with the first cavity, and two side surfaces of the shell are provided with air exhaust and air intake structures;
the fresh air fan is arranged in the fresh air fan placing cavity, the exhaust fan is arranged in the exhaust fan placing cavity, and the heat exchanger is arranged in the heat exchanger placing cavity;
a second noise reduction device and the first exhaust pipeline are adjacently arranged in the second cavity; a first noise reduction device is arranged on the lower end surface of the first cavity and communicated with the first cavity;
the first exhaust pipeline is communicated with the first noise reduction device, a second exhaust pipeline is arranged in the exhaust fan placing cavity, the second exhaust pipeline is communicated with the second noise reduction device, and the second noise reduction device is communicated with the first exhaust pipeline;
a third exhaust pipeline is arranged in the fresh air fan placing cavity, and the fresh air fan is communicated with the third exhaust pipeline;
the second exhaust duct is arranged in parallel with the third exhaust duct and in parallel with the first exhaust duct;
an air exhaust outlet is arranged on the side wall of the shell;
the input end of the exhaust fan is communicated with the exhaust output end of the heat exchanger, the output end of the exhaust fan is communicated with the exhaust air outlet, and the exhaust input end of the heat exchanger is communicated with the exhaust fan placing cavity;
the output end of the fresh air fan is communicated with the fresh air input end on the heat exchanger through the third exhaust pipeline, the input end of the fresh air fan is communicated with the fresh air fan placing cavity, and the fresh air output end on the heat exchanger is communicated with the second exhaust pipeline.
In the above technical scheme, the lower end of the shell is provided with a pulley.
In the technical scheme, a heat exchanger fixing structure is arranged in the heat exchanger placing cavity, and the heat exchanger is arranged in the middle of the heat exchanger fixing structure and fixed in the heat exchanger placing cavity through the heat exchanger fixing structure.
In the technical scheme, the fresh air discharge structure comprises a plurality of fresh air discharge holes which are arranged at intervals; the air exhaust and air inlet structure is communicated with the air exhaust fan placing cavity and comprises a plurality of air exhaust air inlets arranged at intervals.
In the above technical scheme, the two side walls of the first cavity are symmetrically provided with the sliding mechanisms.
In the technical scheme, a first cover plate is arranged in the exhaust fan placing cavity and positioned outside the exhaust fan; a second cover plate is arranged in the fresh air fan placing cavity and is positioned outside the fresh air fan; the outer walls of the first cover plate and the second cover plate are provided with handles.
In the above technical scheme, an observation window is arranged on the outer wall of the shell.
In the above technical scheme, at least a filtering device is arranged in the first cavity.
In the above technical scheme, the inner walls of the first exhaust pipeline, the second exhaust pipeline and the third exhaust pipeline are all provided with the noise reduction plate around, and the middle part of the inner wall is provided with the noise reduction plate.
The invention has the following advantages:
(1) the utility model can realize the exchange of indoor air and outdoor air, and can filter the indoor air, and the utility model can reduce the noise during operation and has the advantage of stable operation;
(2) the utility model has lower noise, basically no noise and no disturbance to people, and not only can reduce the noise of the fresh air fan when the highest gear is operated from 75-80 decibels to 43.1 decibels (which is real data after being identified by an identification unit), but also can reduce the noise of the fresh air fan when the lowest gear is operated from 52 decibels to 36-38 decibels (which is real data after being identified by the identification unit); the defect that noise disturbs residents due to overlarge noise in the prior art is overcome;
(3) the second exhaust pipeline is arranged in parallel with the third exhaust pipeline and in parallel with the first exhaust pipeline, so that the space is saved, the exhaust efficiency is higher, the structure is simple, and the cost is saved; the utility model discloses be equipped with the new trend exhaust structure that is linked together with first cavity on the casing top, the new trend after first cavity filtration treatment is discharged from the casing top, adjusts indoor air, and can avoid prior art to adopt the side mode of airing exhaust, wind directly blow to the uncomfortable shortcoming of indoor human health that the human body caused.
Drawings
Fig. 1 is a schematic perspective view of the present invention including the front wall and the side wall of the housing.
Fig. 2 is a schematic perspective view of the present invention without the front wall and the rear wall of the housing.
Fig. 3 is a right-view structural diagram of fig. 2.
Fig. 4 is a schematic perspective view of the present invention when the present invention does not include the front wall and the rear wall of the housing, and the first cover plate and the second cover plate.
Fig. 5 is a schematic perspective view of the heat exchanger of the present invention.
Fig. 6 is a schematic view of the connection structure of the first exhaust duct and the noise reduction plate of the present invention.
Fig. 7 is a schematic view of the three-dimensional structure of the filtering device of the present invention.
In the figure, 1-shell, 1.1-inner cavity, 2-fresh air discharge structure, 2.1-fresh air discharge hole, 3-first noise reduction device, 4-first exhaust pipeline, 5-sliding mechanism, 6-second noise reduction device, 7-second exhaust pipeline, 8-exhaust fan, 9-heat exchanger, 9 a-fresh air input end, 9 b-exhaust input end, 9 c-exhaust output end, 9 d-fresh air output end, 10-heat exchanger fixing structure, 11-third exhaust pipeline, 12-fresh air fan, 13-pulley, 14-exhaust air inlet structure, 14.1-exhaust air inlet hole, 15-handle, 16-first cover plate, 17-second cover plate, 18-observation window, 19-exhaust fan placing cavity and 20-fresh air fan placing cavity, 21-a heat exchanger placing cavity, 22-a first cavity, 23-a second cavity, 24-an exhaust air outlet and 25-a noise reduction plate.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings, which are not intended to limit the present invention, but are merely exemplary. While the advantages of the invention will be clear and readily appreciated by the description.
With reference to the accompanying drawings: the vertical noise reduction type fresh air purification cabinet machine comprises a shell 1, a heat exchanger 9, an exhaust fan 8 and a fresh air fan 12, wherein an inner cavity 1.1 of the shell 1 is sequentially provided with a first cavity 22, a second cavity 23, an exhaust fan placing cavity 19, a heat exchanger placing cavity 21 and a fresh air fan placing cavity 20 from top to bottom; the top end of the shell 1 is provided with a fresh air exhaust structure 2 communicated with the first cavity 22, and two side surfaces are provided with air exhaust and intake structures 14 (as shown in fig. 2 and 4); the fresh air discharge structure 2 is used for discharging the fresh air processed by the utility model, the indoor air enters the exhaust fan placing cavity 19 through the exhaust air inlet structure 14 and is discharged to the outside after being processed by the exhaust fan placing cavity 19;
the fresh air fan 12 is arranged in the fresh air fan placing cavity 20, the exhaust fan 8 is arranged in the exhaust fan placing cavity 19, and the heat exchanger 9 is arranged in the heat exchanger placing cavity 21;
a second noise reduction device 6 and the first exhaust pipeline 4 are adjacently arranged in the second cavity 23; a first noise reduction device 3 is arranged on the lower end face of the first cavity 22 and communicated with the first cavity 22 (as shown in fig. 2 and 4);
the first exhaust duct 4 is communicated with the first noise reduction device 3, a second exhaust duct 7 is arranged in the exhaust fan placing cavity 19, the second exhaust duct 7 is communicated with the second noise reduction device 6, and the second noise reduction device 6 is communicated with the first exhaust duct 4 (as shown in fig. 2 and 4); the second exhaust pipeline 7 sends the fresh air into the second noise reduction device 6 for noise reduction treatment, and the first exhaust pipeline 4 sends the fresh air treated by the second noise reduction device 6 into the first noise reduction device 3 for noise reduction treatment; the noise of the utility model is reduced, and the stable operation is ensured;
a third exhaust pipeline 11 is arranged in the fresh air fan placing cavity 20, the fresh air fan 12 is communicated with the third exhaust pipeline 11, and fresh air is input into the heat exchanger 9 through the third exhaust pipeline 11 communicated with the fresh air fan 12 (as shown in fig. 2 and 4);
the second exhaust pipeline 7 is arranged in parallel with the third exhaust pipeline 11 and in parallel with the first exhaust pipeline 4, and the second exhaust pipeline 7 is positioned right above the third exhaust pipeline 11, so that the stroke is shortened, and the space is saved; the defects that the prior art adopts a bending mechanism, has long stroke, occupies large space and is easy to break down at a bending position (as shown in figures 2 and 4) are overcome;
an air exhaust outlet 24 is arranged on the side wall of the shell 1;
the input end of the exhaust fan 8 is communicated with the exhaust output end 9c of the heat exchanger 9, the output end is communicated with the exhaust air outlet 24, the exhaust input end 9b of the heat exchanger 9 is communicated with the exhaust fan placing cavity 19 (i.e. is communicated with the exhaust air inlet structure 14), indoor air is input into the exhaust input end 9b of the heat exchanger 9 and is exhausted to the exhaust air outlet 24 through the exhaust output end 9c of the heat exchanger 9, so as to be exhausted outdoors (as shown in fig. 3, 4 and 5);
the output of new trend fan 12 passes through third exhaust duct 11 with new trend input 9a on the heat exchanger 9 is linked together, the input with the new trend fan is placed the chamber 20 and is linked together, new trend output 9d on the heat exchanger 9 with second exhaust duct 7 is linked together (as shown in fig. 4, fig. 5), realizes the exchange of room air and outdoor air, can filter the room air, the utility model discloses noise when can reduce the operation, even running.
The casing 1 lower extreme is equipped with pulley 13 (as shown in fig. 1-4), removes through pulley 13 the utility model discloses, be equipped with the service brake on the pulley 13, be convenient for will according to the demand the utility model discloses remove to indoor suitable position, the installation operation of being convenient for.
There is heat exchanger fixed knot to construct 10 and locates in the heat exchanger places the chamber 21, heat exchanger 9 is located heat exchanger fixed knot constructs 10 middle part, and passes through heat exchanger fixed knot constructs 10 is fixed in the heat exchanger places the chamber 21 (as shown in fig. 2, fig. 4), guarantees the structural stability of heat exchanger, guarantees that the heat exchanger normally works.
The fresh air discharge structure 2 comprises a plurality of fresh air discharge holes 2.1 which are arranged at intervals; fresh air passing through a fresh air fan 12 is input into a heat exchanger 9 through a fresh air input end 9a on a third exhaust pipeline 11 and is processed, the fresh air processed by the heat exchanger 9 is output through a fresh air output end 9d, is input into a second noise reduction device 6 through a second exhaust pipeline 7 to be subjected to noise reduction processing, is input into a first noise reduction device 3 through a first exhaust pipeline 4 to be subjected to noise reduction processing, is filtered through a filtering device 26 positioned in a first cavity 22, and is exhausted from the top end to the indoor through a fresh air exhaust hole 2.1 of a fresh air exhaust structure 2;
the exhaust air inlet structure 14 is communicated with the exhaust fan placing cavity 19, the exhaust air inlet structure 14 comprises a plurality of exhaust air inlets 14.1 (as shown in fig. 1, fig. 2 and fig. 4) arranged at intervals, indoor air enters the exhaust fan placing cavity 19 through the exhaust air inlets 14.1 on the exhaust air inlet structure 14, and then enters an exhaust air inlet cavity enclosed by the first cover plate 16 and the exhaust fan placing cavity 19, and the indoor air entering the exhaust air inlet cavity enters the heat exchanger 9 through the exhaust air input end 9b on the heat exchanger 9, enters the exhaust fan 8 through the exhaust air output end 9c, and is conveyed to the outside through the exhaust air outlet 24.
Two side walls of the first cavity 22 are symmetrically provided with sliding mechanisms 5 (as shown in fig. 2 and 4); the sliding mechanism 5 is at least one of a sliding chute and a pulley, and is convenient to install or take out the filtering device arranged in the first cavity or meet other requirements of noise reduction, transition and the like.
A first cover plate 16 is arranged in the exhaust fan placing cavity 19 and is positioned outside the exhaust fan 8 (as shown in fig. 2), the first cover plate and the exhaust fan placing cavity are enclosed to form an exhaust air inlet cavity, a second primary filter screen is arranged in the exhaust air inlet cavity, and the second primary filter screen is used for preliminarily filtering indoor air entering the exhaust air inlet cavity and then exhausting the indoor air out of the room;
a second cover plate 17 is arranged in the fresh air fan placing cavity 20 and is positioned outside the fresh air fan 12; handles 15 (shown in fig. 2) are arranged on the outer walls of the first cover plate 16 and the second cover plate 17; the second apron places chamber 20 with the new trend fan and encloses into the new trend chamber of admitting air, the new trend gets into behind the chamber of admitting air of airing exhaust, new trend input 9a on the heat exchanger 9 of importing through new trend fan 12 and third exhaust duct 11, new trend output 9d on the rethread heat exchanger 9, the device 6 of making an uproar falls in the second of second exhaust duct 7 input, the new trend after the noise reduction treatment gets into first noise reduction device 3 through first exhaust duct 4, the new trend after the noise reduction treatment of the device 3 of making an uproar falls in first cavity 22 through setting up after the filter equipment filtration, the new trend discharge structure 2 that the rethread lies in casing 1 top discharges, it is indoor to get into.
An observation window 18 (shown in fig. 1) is arranged on the outer wall of the shell 1, so that the operation condition of the inner cavity 1.1 of the shell 1 can be observed conveniently.
At least a filtering device 26 is arranged in the first cavity 22, and a noise reduction device, a transition device and the like can be arranged in the first cavity 22 according to requirements; the filtering device is the prior art, the filtering device 26 comprises a first primary filter screen 26.1, an activated carbon filter screen 26.2 and an EPHA high-efficiency filter screen 26.3 (as shown in fig. 7) which are sequentially arranged from top to bottom, and the filtering device is favorable for realizing the secondary filtering of air (fresh air) and ensuring that the air entering the room is fresh air.
Noise reduction plates 25 (shown in fig. 6) are arranged at the middle part and around the inner wall of the first exhaust pipeline 4, noise reduction plates 25 are arranged at the middle part and around the inner wall of the second exhaust pipeline 7, and noise reduction plates 25 are arranged at the middle part and around the inner wall of the third exhaust pipeline 11; the noise reduction plate is mainly formed by assembling a porous noise reduction plate and noise reduction sponge (the noise reduction sponge is wrapped in the porous noise reduction plate), and is used for absorbing part of noise generated by the running of the fan, reducing the noise during running and ensuring stable running; the connecting structure of the second exhaust pipeline 7 and the noise reduction plate is the same as that of the first exhaust pipeline 4 and the noise reduction plate; the connecting structure of the third exhaust duct 11 and the noise reduction plate is the same as the connecting structure of the first exhaust duct 4 and the noise reduction plate.
The first noise reduction device 3 and the second noise reduction device 6 are noise reduction boxes, and the noise reduction boxes are in the prior art (the structure of the noise reduction boxes is the same as a noise reduction cavity recorded in a patent number 2018204095964 filed by the applicant and named as a vertical noise reduction type fresh air purification cabinet).
Compared with the prior art, the utility model has the advantages that the space is saved, the fresh air is discharged from the top of the utility model to the indoor, and the defect of uncomfortable indoor human body caused by the adoption of a side exhaust mode and direct blowing of the wind to the human body in the prior art is overcome; the utility model can realize the exchange between indoor air and outdoor air, and can filter the indoor air; the utility model discloses noise when can reduce the operation has even running's advantage.
Vertical type of making an uproar new trend air purification cabinet-type air conditioner that falls's working process as follows:
the indoor air exhaust method comprises the following steps: indoor air enters the exhaust fan placing cavity 19 through an exhaust air inlet hole 14.1 on the exhaust air inlet structure 14, and then enters an exhaust air inlet cavity enclosed by the first cover plate 16 and the exhaust fan placing cavity 19, and the indoor air entering the exhaust air inlet cavity enters the heat exchanger 9 through an exhaust input end 9b on the heat exchanger 9, enters the exhaust fan 8 through an exhaust output end 9c, and is conveyed to the outside through an exhaust air outlet 24;
the air inlet method of the outdoor air inlet method comprises the following steps: after entering the air exhaust and inlet cavity, fresh air is input into a fresh air input end 9a on the heat exchanger 9 through a fresh air fan 12 and a third exhaust pipeline 11, then input into a second noise reduction device 6 through a fresh air output end 9d on the heat exchanger 9 and a second exhaust pipeline 7, the fresh air after noise reduction treatment enters a first noise reduction device 3 through a first exhaust pipeline 4, the fresh air after noise reduction treatment by the first noise reduction device 3 is filtered through a filter device arranged in a first cavity 22, and then is discharged through a fresh air discharge structure 2 positioned at the top end of the shell 1 to enter the room;
the steps are repeated, the exchange of indoor air and outdoor air is realized, the indoor air is filtered, the indoor air quality is improved, and the use requirement of indoor air purification is met. Other parts not described belong to the prior art.
Claims (9)
1. Vertical type of making an uproar new trend air purification cabinet-type air conditioner falls, including casing (1), heat exchanger (9), air exhaust fan (8) and new trend fan (12), its characterized in that: an inner cavity (1.1) of the shell (1) is sequentially provided with a first cavity (22), a second cavity (23), an exhaust fan placing cavity (19), a heat exchanger placing cavity (21) and a fresh air fan placing cavity (20) from top to bottom; the top end of the shell (1) is provided with a fresh air exhaust structure (2) communicated with the first cavity (22), and two side surfaces of the shell are provided with air exhaust and intake structures (14);
the fresh air fan (12) is arranged in the fresh air fan placing cavity (20), the exhaust fan (8) is arranged in the exhaust fan placing cavity (19), and the heat exchanger (9) is arranged in the heat exchanger placing cavity (21);
a second noise reduction device (6) and the first exhaust pipeline (4) are adjacently arranged in the second cavity (23); a first noise reduction device (3) is arranged on the lower end face of the first cavity (22) and communicated with the first cavity (22);
the first exhaust pipeline (4) is communicated with the first noise reduction device (3), a second exhaust pipeline (7) is arranged in the exhaust fan placing cavity (19), the second exhaust pipeline (7) is communicated with the second noise reduction device (6), and the second noise reduction device (6) is communicated with the first exhaust pipeline (4);
a third exhaust pipeline (11) is arranged in the fresh air fan placing cavity (20), and the fresh air fan (12) is communicated with the third exhaust pipeline (11);
the second exhaust duct (7) is arranged in parallel with the third exhaust duct (11) and in parallel with the first exhaust duct (4);
an air exhaust outlet (24) is arranged on the side wall of the shell (1);
the input end of the exhaust fan (8) is communicated with the exhaust output end (9c) on the heat exchanger (9), the output end is communicated with the exhaust air outlet (24), and the exhaust input end (9b) on the heat exchanger (9) is communicated with the exhaust fan placing cavity (19);
the output end of the fresh air fan (12) is communicated with a fresh air input end (9a) on the heat exchanger (9) through the third exhaust pipeline (11), the input end of the fresh air fan is communicated with the fresh air fan placing cavity (20), and a fresh air output end (9d) on the heat exchanger (9) is communicated with the second exhaust pipeline (7).
2. The vertical cabinet type air purifier of claim 1, wherein: the lower end of the shell (1) is provided with a pulley (13).
3. The vertical noise reduction type fresh air purification cabinet machine according to claim 1 or 2, characterized in that: a heat exchanger fixing structure (10) is arranged in the heat exchanger placing cavity (21), and the heat exchanger (9) is arranged in the middle of the heat exchanger fixing structure (10) and fixed in the heat exchanger placing cavity (21) through the heat exchanger fixing structure (10).
4. The vertical cabinet type air purifier of claim 3, wherein: the fresh air discharge structure (2) comprises a plurality of fresh air discharge holes (2.1) which are arranged at intervals; the air exhaust and intake structure (14) is communicated with the air exhaust fan placing cavity (19), and the air exhaust and intake structure (14) comprises a plurality of air exhaust holes (14.1) arranged at intervals.
5. The vertical cabinet type air purifier of claim 4, wherein: and sliding mechanisms (5) are symmetrically arranged on two side walls of the first cavity (22).
6. The vertical cabinet type air purifier of claim 5, wherein: a first cover plate (16) is arranged in the exhaust fan placing cavity (19) and is positioned outside the exhaust fan (8); a second cover plate (17) is arranged in the fresh air fan placing cavity (20) and is positioned outside the fresh air fan (12); handles (15) are arranged on the outer walls of the first cover plate (16) and the second cover plate (17).
7. The vertical cabinet type air purifier of claim 6, wherein: an observation window (18) is arranged on the outer wall of the shell (1).
8. The vertical cabinet type air purifier of claim 7, wherein: at least a filtering device (26) is arranged in the first cavity (22).
9. The vertical cabinet type air purifier of claim 7, wherein: the inner walls of the first exhaust pipeline (4), the second exhaust pipeline (7) and the third exhaust pipeline (11) are all provided with noise reduction plates (25) at the periphery, and noise reduction plates (25) are arranged in the middle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920730265.5U CN210688606U (en) | 2019-05-21 | 2019-05-21 | Vertical noise reduction type fresh air purification cabinet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920730265.5U CN210688606U (en) | 2019-05-21 | 2019-05-21 | Vertical noise reduction type fresh air purification cabinet |
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| CN210688606U true CN210688606U (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920730265.5U Active CN210688606U (en) | 2019-05-21 | 2019-05-21 | Vertical noise reduction type fresh air purification cabinet |
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| CN (1) | CN210688606U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114396687A (en) * | 2022-01-20 | 2022-04-26 | 广州天与地投资服务有限公司 | Indoor remove formaldehyde with portable new fan |
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2019
- 2019-05-21 CN CN201920730265.5U patent/CN210688606U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114396687A (en) * | 2022-01-20 | 2022-04-26 | 广州天与地投资服务有限公司 | Indoor remove formaldehyde with portable new fan |
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