CN112577140A - Suspended ceiling type full-house humidifier - Google Patents
Suspended ceiling type full-house humidifier Download PDFInfo
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- CN112577140A CN112577140A CN202011470440.5A CN202011470440A CN112577140A CN 112577140 A CN112577140 A CN 112577140A CN 202011470440 A CN202011470440 A CN 202011470440A CN 112577140 A CN112577140 A CN 112577140A
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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
- F24F6/00—Air-humidification, e.g. cooling by humidification
- F24F6/02—Air-humidification, e.g. cooling by humidification by evaporation of water in the air
- F24F6/04—Air-humidification, e.g. cooling by humidification by evaporation of water in the air using stationary unheated wet elements
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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
Abstract
The invention discloses a ceiling type whole-house humidifier, which comprises a wet film, a water supply device and a fan, wherein the wet film is arranged on the wet film; a wet film for absorbing the humidification water by utilizing the moisture absorption characteristics thereof; the water inlet of the water supply device is connected with a tap water pipe, the water outlet of the water supply device is arranged above the wet film, and the humidifying water is absorbed by the top of the wet film after seeping out from the water outlet, so that the whole wet film is wetted and a continuous water film layer is formed on the surface of the wet film; the fan is arranged on one side of the wet film and used for providing wind power to enable the air flow to penetrate through the wet film, the water film layer on the surface of the wet film is continuously volatilized under the action of the air flow to form water vapor, and the water vapor is mixed into the air flow to humidify the air flow. The humidifier of the invention directly supplies water through the tap water pipe and has no water tank structure, thereby avoiding the circular pollution caused by the water tank structure; residual water is not left in the whole humidifier structure, so that the breeding of bacteria in the humidifier is greatly reduced; the used humidification water is fresh purified water, is safe and environment-friendly, and has simple structure, low cost and wide application prospect.
Description
Technical Field
The invention belongs to the technical field of humidifying equipment, and relates to a ceiling type full-house humidifier.
Background
In modern engineering design, good environment brings benefits to human bodies and products, and the control of environment in factory buildings, production workshops, storehouses, offices and families is more and more emphasized by people. Three basic indicators of environmental control: the quality, temperature and relative humidity of the air. Generally, temperature most directly affects people's experience of living environment. Similarly, humidity can also affect the life and health of people. With the improvement of living standard of people, the air conditioner is widely used, which causes the growth of air conditioning diseases such as skin tightness, dry mouth and tongue, cough, cold and the like, and the heating is used indoors for a long time in winter, which aggravates the water loss and lowers the environmental humidity, thus aggravating the discomfort of people. Scientifically proves that the air humidity is closely related to the human health and daily life. Medical research shows that when the humidity of a living room reaches 45-65% RH and the temperature is 20-25 ℃, the body and thinking of a person are in a good state, and the living room can achieve ideal effects no matter work or rest. In addition, proper rh control corresponds to plant energy savings and operating efficiency.
The suspended ceiling is a decoration for decorating the top of the residential environment of a house. The ceiling decoration is one of important parts of indoor decoration, has the functions of heat preservation, heat insulation, sound insulation and sound absorption, and is also a hidden layer of projects such as electric, ventilation and air conditioning, communication and fire prevention, alarm pipeline equipment and the like. As suspended ceilings have the above functions, they are increasingly widely used in the field of decoration. Meanwhile, due to the good concealment, some necessary electrical equipment is increasingly arranged on the ceiling structure in modern building engineering design so as to enlarge the practical area. Devices such as ceiling air conditioners, ceiling air humidifiers, and the like have come into play.
A number of ceiling mounted air humidifiers have also been developed in the industry, such as CN 205860319U discloses a humidifier that can be mounted in a stainless steel cabinet for use as a ceiling mounted humidifier; CN 108870611 a discloses a ceiling humidifier, which can adjust the position of a slide bar on a horizontal support plate through the matching relationship between the slide bar and a moving slot to change the distance between the slide bars, adjust the coverage area of an aromatherapy plate unit, and further realize the adjustment of aromatherapy concentration; CN 206890732U discloses an integrated ceiling humidifier, which greatly improves the humidification effect through a pressure boosting device under the condition of not increasing water flow. Although the above humidifiers can effectively humidify air, the humidifiers provide water source with the water tank, the water tank stores the water source for a long time, pollution is inevitable when the water source is stored for a long time, and the humidifiers are used for a long time, so that circular pollution can be caused, and even the life safety of users can be seriously damaged. The "death from humidifier" in 2011 was caused mainly by PHMG (polyhexamethylene biguanide hydrochloride) contained in the humidifier bactericide, but it is undeniable that the situation worsened by the circulation contamination of the water tank.
Therefore, the development of the ceiling type humidifier without hidden pollution of the water tank has practical significance.
Disclosure of Invention
The invention aims to overcome the defect that the existing ceiling humidifier has the hidden danger of cyclic pollution because a water tank provides water, and provides a ceiling humidifier without hidden danger of water tank pollution.
In order to achieve the purpose, the invention provides the following technical scheme:
a suspended ceiling type full-house humidifier comprises a wet film, a water supply device and a fan;
the wet film is used for absorbing water for humidification by utilizing the moisture absorption characteristic and comprises an overall cylindrical outer frame structure and a multi-layer film structure positioned in the outer frame structure;
the multilayer film structure comprises a separation film, a left film and a right film which are positioned on two sides of the separation film and symmetrically arranged along the separation film, the left film and the right film are connected with an outer frame structure, the separation film is flat, the left film and the right film have the same structure, the multilayer film structure comprises a flat single film structure I and a wavy single film structure II, the single film structure I in the same left film or right film is connected with the single film structure II, and the single film structure II in the same left film or right film is closer to the separation film than the single film structure II; the left membrane and the right membrane which are symmetrically arranged are mainly used for balancing the gas flow on the left side and the right side, avoiding the imbalance of gas flow, ensuring the uniform evaporation of the surface of the wet membrane and further improving the evaporation efficiency (humidification effect); the wavy single-membrane structure II can greatly improve the distribution area of humidification water, provide the contact area with air flow and improve the humidification effect; the plate-shaped single-film structure I provides support for the single-film structure II on one hand, and can improve the evaporation area on the other hand; the wet film structure is reasonable in design, the uniform dispersion of humidification water in the wet film can be guaranteed (after the common wet film structure in the prior art is used for a long time in the humidifier, the wet film structure is cut to find that a plurality of positions which are not wetted by the humidification water exist in the structure, even if the common wet film structure in the prior art has the defect of uneven dispersion), and meanwhile, the humidification water is guaranteed to form a continuous ground water film layer on the surface of the wet film, so that the humidification effect is greatly improved, and the consumption of the humidification water is saved;
the water inlet (with extremely small aperture) of the water supply device is connected with a tap water pipe, the water outlet of the water supply device is arranged above the wet film, humidifying water is absorbed by the top of the wet film after seeping out through the water outlet, and then the whole wet film is wetted and a continuous water film layer is formed on the surface of the wet film;
the fan is arranged on one side of the wet film and used for providing wind power to enable the air flow to penetrate through the wet film, the water film layer on the surface of the wet film is continuously volatilized under the action of the air flow to form water vapor, and the water vapor is mixed into the air flow to humidify the air flow.
The ceiling type full-house humidifier provided by the invention is directly supplied with water by the tap water pipe, has no water tank structure, avoids the circular pollution caused by the water tank structure, and in addition, the humidifying water on the wet membrane structure is completely volatilized under the action of the fan, no residual water is left in the whole humidifier structure, so that the breeding of bacteria in the humidifier can be greatly reduced, and meanwhile, the used humidifying water is fresh purified water, so that the ceiling type full-house humidifier is safe and environment-friendly, greatly simplifies the structure of the existing humidifier, has a simple integral structure and low cost, and has a great application prospect.
As a preferred technical scheme:
in the ceiling type whole room humidifier, the separation membranes in the wet membranes are vertically arranged, that is, the gas channels in the wet membranes are vertically arranged; the aperture of the water outlet of the water supply device is 0.1-1 mm.
In the ceiling type whole room humidifier, the separation membranes in the multi-membrane structure are arranged at equal intervals with the single-membrane structure I, and the opening direction of the wavy single-membrane structure II is consistent with the arrangement direction of the single-membrane structure I.
In the ceiling type whole room humidifier, the outer frame structure, the separation membrane, the left membrane and the right membrane are all made of wet membrane materials;
and water inlets of the water supply device are uniformly and densely distributed above the wet film.
The ceiling type whole room humidifier further comprises a shell;
an air inlet and an air outlet are respectively formed in two ends of the shell, and a communicated airflow channel is formed between the air inlet and the air outlet;
a fan fixing plate for fixing a fan is arranged on the side, close to the air inlet, of the shell, and an opening matched with the air outlet of the fan is formed in the fan fixing plate;
a wet film fixing part for fixing and arranging a wet film is arranged on the side, close to the air outlet, of the shell, and a water supply device is arranged at the top of the wet film;
the bottom that the casing is close to the air outlet side is opened there is the delivery port, can discharge unnecessary water fast through the delivery port, avoids water to remain in the casing, reduces breeding of bacterium at the casing.
In the ceiling type whole room humidifier, the bottom of the wet film fixing part is higher than the bottom plate of the shell;
the shell bottom plate is provided with a water retaining groove which is positioned between the wet film fixing part and the fan fixing plate, so that water is prevented from overflowing in the shell.
According to the ceiling type whole room humidifier, the water retaining groove is of an inclined surface structure and is inclined along the airflow direction, so that the function of guiding the airflow is achieved to a certain extent. The protection scope of the present invention is not limited thereto, and the water retaining groove may be perpendicular to the bottom plate of the housing, and the specific form thereof may be set by those skilled in the art according to actual requirements.
According to the ceiling type whole room humidifier, the wet film fixing part does not block air flow passing through the wet film, the bottom of the wet film fixing part is hollow, and therefore excessive humidification water can conveniently flow onto the shell bottom plate below the wet film fixing part and flow out through the water outlet.
According to the ceiling type whole room humidifier, the side wall of the shell is provided with the opening structure I matched with the water inlet of the water supply device, the other side wall of the shell is provided with the opening structure II convenient for taking and placing the wet membrane from the side, the opening structure II is provided with the covering plate used for covering the opening structure II, the covering plate and the shell are fixedly connected through the bolts, the wet membrane can be replaced conveniently due to the design of the covering plate, the humidifying effect of the humidifier can be guaranteed due to the fact that the wet membrane is replaced regularly, and the use safety can be greatly improved.
In the ceiling type whole room humidifier, two wet membranes are arranged;
the two wet films are arranged in the wet film fixing part up and down or left and right, and a space is reserved between the two wet films. Namely, the middle part of the wet film part (namely the wet film fixing part fixed with the wet film) is not provided with the wet film and can be provided with the cylindrical air guide pipe, and the middle part is a buffer area, so that the resistance of air flow passing through the wet film part can be reduced, the air flow speed is improved, the evaporation capacity of humidifying water of the wet film part can be enhanced, and the evaporation effect is enhanced. Of course, the skilled person can also select the amount of the wet film according to the actual requirement and arrange the wet film according to the requirement.
Has the advantages that:
(1) the suspended ceiling type full-house humidifier has the advantages that water is directly supplied through the tap water pipe, and a water tank structure is omitted, so that the circulating pollution caused by the water tank structure is avoided;
(2) the ceiling type whole-house humidifier has the advantages that the selected wet film structure is reasonable in design, the uniform dispersion of humidification water in the wet film can be guaranteed, meanwhile, the humidification water is guaranteed to form a continuous ground water film layer on the surface of the wet film, the humidification effect is greatly improved, and the amount of the humidification water is saved;
(3) according to the ceiling type full-house humidifier, the humidifying water on the wet film structure is completely volatilized under the action of the fan, no residual water is left in the whole humidifier structure, and the breeding of bacteria in the humidifier can be greatly reduced;
(4) the suspended ceiling type full-house humidifier uses fresh purified water as humidifying water, is safe and environment-friendly, greatly simplifies the structure of the existing humidifier, and has the advantages of simple integral structure, low cost and wide application prospect.
Drawings
FIGS. 1, 2 and 3 are schematic perspective views of a suspended ceiling type whole room humidifier of the present invention from different perspectives;
FIGS. 4, 5 and 6 are top, front and right side views, respectively, of a suspended ceiling type whole room humidifier of the present invention;
FIG. 7 is a schematic cross-sectional view of a wet film of the present invention taken perpendicular to the direction of air flow;
FIG. 8 is a schematic view of the structure in a wet film fixing part of example 2;
FIG. 9 is a schematic view of the structure in a wet film fixing part of example 3;
the device comprises a shell 1, an air inlet 2, an air outlet 3, a fan fixing plate 4, a fan 5, a fan 6, a water retaining groove 7, a wet film fixing part 8, a wet film 81, an outer frame structure 82, a separation film 83, a left film 831, a single-film structure I, a single-film structure II, a right film 84, a water outlet 9, a water inlet of a water supply device 10, a cover plate 11, a wet film I12 and a wet film II 13.
Detailed Description
The present invention will be described in more detail with reference to the accompanying drawings, in which embodiments of the invention are shown and described, and it is to be understood that the embodiments described are merely illustrative of some, but not all embodiments of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1
A suspended ceiling type full-house humidifier is shown in figures 1-6 and comprises a shell 1, a wet film 8, a water supply device and a fan 5;
an air inlet 2 and an air outlet 3 are respectively arranged at two ends of the shell 1, and a communicated airflow channel is arranged between the air inlet 2 and the air outlet 3;
a fan fixing plate 4 for fixing a fan 5 (the fan 5 provides wind power to enable air flow to penetrate through a wet film 8, a water film layer on the surface of the wet film 8 is continuously volatilized under the action of the air flow to form water vapor, and the water vapor is mixed into the air flow to humidify the air flow) is arranged on the side, close to the air inlet 2, of the shell 1, and an opening matched with an air outlet of the fan 5 is formed in the fan fixing plate 4;
the bottom of the shell 1 close to the air outlet 2 is provided with a water outlet 9, the shell 1 close to the air outlet 3 is also provided with a wet film fixing part 7 for fixing and arranging a wet film 8 for absorbing humidification water by utilizing the moisture absorption characteristic, the top of the wet film 8 is provided with a water supply device, a water inlet 10 of the water supply device is connected with a tap water pipe, the water outlet is uniformly and intensively arranged above the wet film 8, the humidification water is absorbed by the top of the wet film 8 after seeping out through the water inlet 10 of the water supply device with the aperture of 0.1-1 mm, and then the whole wet film 8 is wetted and a continuous ground water film layer is formed on the surface of the wet film 8, wherein the bottom of the wet film fixing part 7 is higher than the bottom plate of the shell 1, the bottom plate of the shell 1 is provided with a water retaining groove 6, the water retaining groove 6 is positioned between the wet film fixing part 7 and the fan fixing plate 4, the water, the wet film fixing part 7 does not block airflow from passing through the wet film 8, and the bottom of the wet film fixing part 7 is hollow, so that excessive humidifying water can conveniently flow onto the shell bottom plate below the wet film fixing part and flow out through the water outlet 9;
the side wall of the shell 1 is provided with an open pore structure I matched with a water inlet 10 of the water supply device, the other side wall is provided with an open pore structure II convenient for taking and releasing the wet film 8 from the side, a cover plate 11 for covering the open pore structure II is arranged at the open pore structure II, and the cover plate 11 is fixedly connected with the shell 1 through bolts;
as shown in fig. 7, the wet film 8 includes an outer frame structure 81 having a cylindrical shape as a whole and a multilayer film structure provided in the outer frame structure 81;
the multilayer film structure comprises a separating film 82 which is vertically arranged, and a left film 83 and a right film 84 which are positioned at two sides of the separating film 82 and symmetrically arranged along the separating film 82, wherein the separating film 82, the left film 83 and the right film 84 are all connected with an outer frame structure 81, the separating film 82 is integrally in a flat plate shape, the left film 83 and the right film 84 have the same structure, taking the left film 83 as an example, the left film 83 includes a flat single film structure I831 and a wavy single film structure II 832, the single film structure I and the single film structure II in the same left film or right film are connected, and the single film structure II in the same left film or right film is closer to the separation film than the single film structure II, the separation film and the single film structure I in the multi-film structure are arranged at equal intervals, the opening direction of the wavy single film structure II is consistent with the arrangement direction of the single film structure I, and the outer frame structure 81, the separation film 82, the left film 83 and the right film 84 are all made of wet film materials.
Comparative example 1
A humidifier substantially the same as example 1 except that it employs as a wet membrane humidifier cartridge as described in patent CN 200720173571.0.
After the operation of example 1 and comparative example 1 was continued for 1 week, the wet membranes used in example 1 and comparative example 1 were taken out, and cut in a direction perpendicular to the direction of air flow, and it was found that the wet membrane of example 1 was wetted everywhere with the humidification water, whereas the wet membrane of comparative example 1 was not wetted over about twenty percent of its interior with the humidification water, and at the same time, when the humidification water was used in the same amount, it was found that the humidifier of example 1 was operated with a significantly better humidification effect (room humidity of about 65% RH) than the humidifier of comparative example 1 (room humidity of about 58% RH).
Example 2
A ceiling type whole room humidifier has the same overall structure as that of example 1, except that two wet films (i.e., the wet film I12 and the wet film II 13 having the same structure as that of example 1) are fixed in the wet film fixing portion and are arranged up and down with a gap therebetween, and the partial structure is shown in fig. 8.
Example 3
A ceiling type whole room humidifier has the same overall structure as that of example 1, except that two wet films (i.e., the wet film I12 and the wet film II 13 having the same structure as that of example 1) are fixed in the wet film fixing portion with a distance therebetween, and the overall structure is as shown in fig. 9.
According to verification, the ceiling type full-room humidifier disclosed by the invention is directly supplied with water through the tap water pipe, has no water tank structure, and avoids the circular pollution caused by the water tank structure; the selected wet film has reasonable structural design, can ensure the uniform dispersion of the humidification water in the wet film and simultaneously ensure that the humidification water forms a continuous water film layer on the surface of the wet film, thereby greatly improving the humidification effect and saving the consumption of the humidification water; the humidifying water on the wet film structure is completely volatilized under the action of the fan, no residual water is left in the whole humidifier structure, and the breeding of bacteria in the humidifier can be greatly reduced; the used humidification water is fresh purified water, is safe and environment-friendly, greatly simplifies the structure of the existing humidifier, has simple integral structure and low cost, and has wide application prospect.
Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these embodiments are merely illustrative and various changes or modifications may be made without departing from the principles and spirit of the invention.
Claims (10)
1. A suspended ceiling type full-house humidifier is characterized by comprising a wet film, a water supply device and a fan;
the wet film is used for absorbing water for humidification by utilizing the moisture absorption characteristic and comprises an overall cylindrical outer frame structure and a multi-layer film structure positioned in the outer frame structure;
the multilayer film structure comprises a separation film, a left film and a right film which are positioned on two sides of the separation film and symmetrically arranged along the separation film, the left film and the right film are connected with an outer frame structure, the separation film is flat, the left film and the right film have the same structure, the multilayer film structure comprises a flat single film structure I and a wavy single film structure II, the single film structure I in the same left film or right film is connected with the single film structure II, and the single film structure II in the same left film or right film is closer to the separation film than the single film structure II;
the water inlet of the water supply device is connected with a tap water pipe, the water outlet of the water supply device is arranged above the wet film, and humidifying water is absorbed by the top of the wet film after seeping out from the water outlet, so that the whole wet film is wetted and a continuous ground water film layer is formed on the surface of the wet film;
the fan is arranged on one side of the wet film and used for providing wind power to enable the air flow to penetrate through the wet film, the water film layer on the surface of the wet film is continuously volatilized under the action of the air flow to form water vapor, and the water vapor is mixed into the air flow to humidify the air flow.
2. The ceiling-suspended whole room humidifier of claim 1, wherein the separating membrane of the wet membrane is vertically arranged;
the aperture of the water outlet of the water supply device is 0.1-1 mm.
3. The ceiling-suspended whole room humidifier according to claim 2, wherein the separation membranes in the multi-membrane structure are arranged at equal intervals with the single-membrane structure I, and the opening direction of the wavy single-membrane structure II is consistent with the arrangement direction of the single-membrane structure I.
4. The ceiling type whole room humidifier according to claim 1, wherein the outer frame structure, the separation membrane, the left membrane and the right membrane are made of wet membrane material;
and water inlets of the water supply device are uniformly and densely distributed above the wet film.
5. The suspended ceiling type whole room humidifier of claim 1, further comprising a housing;
an air inlet and an air outlet are respectively formed in two ends of the shell, and a communicated airflow channel is formed between the air inlet and the air outlet;
a fan fixing plate for fixing a fan is arranged on the side, close to the air inlet, of the shell, and an opening matched with the air outlet of the fan is formed in the fan fixing plate;
a wet film fixing part for fixing and arranging a wet film is arranged on the side, close to the air outlet, of the shell, and a water supply device is arranged at the top of the wet film;
and a water outlet is formed in the bottom of the shell close to the air outlet side.
6. The suspended ceiling type whole room humidifier according to claim 5, wherein the bottom of the wet film fixing portion is higher than the bottom plate of the housing;
and the shell bottom plate is provided with a water retaining groove which is positioned between the wet film fixing part and the fan fixing plate.
7. The suspended ceiling type whole room humidifier according to claim 6, wherein the water blocking groove is formed in a slope structure which is inclined in an air flow direction.
8. The suspended ceiling type whole room humidifier as claimed in claim 5, wherein the wet membrane fixing portion does not block the air flow passing through the wet membrane and the bottom of the wet membrane fixing portion is hollow, so as to facilitate the excess humidifying water to flow onto the housing bottom plate below the wet membrane fixing portion and flow out through the water outlet.
9. The suspended ceiling type whole room humidifier as claimed in claim 5, wherein the housing has a side wall with an opening structure I matching with the water inlet of the water supply device, the other side wall is provided with an opening structure II facilitating the wet membrane to be taken and placed from the side, a cover plate for covering the opening structure II is arranged at the opening structure II, and the cover plate is fixedly connected with the housing through bolts.
10. The suspended ceiling type whole room humidifier of claim 5, wherein the wet film has two pieces in total;
the two wet films are arranged in the wet film fixing part up and down or left and right, and a space is reserved between the two wet films.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011470440.5A CN112577140A (en) | 2020-12-14 | 2020-12-14 | Suspended ceiling type full-house humidifier |
| DE212021000446.6U DE212021000446U1 (en) | 2020-12-14 | 2021-12-13 | A ceiling humidifier |
| PCT/CN2021/137541 WO2022127744A1 (en) | 2020-12-14 | 2021-12-13 | Suspended ceiling humidifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011470440.5A CN112577140A (en) | 2020-12-14 | 2020-12-14 | Suspended ceiling type full-house humidifier |
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| Publication Number | Publication Date |
|---|---|
| CN112577140A true CN112577140A (en) | 2021-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011470440.5A Pending CN112577140A (en) | 2020-12-14 | 2020-12-14 | Suspended ceiling type full-house humidifier |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022127744A1 (en) * | 2020-12-14 | 2022-06-23 | 昆山亚冠过滤技术研究院有限公司 | Suspended ceiling humidifier |
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| CN200986290Y (en) * | 2006-11-16 | 2007-12-05 | 成都新木通风净化有限公司 | Arced adjustable lementary streams diffuser |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2022127744A1 (en) * | 2020-12-14 | 2022-06-23 | 昆山亚冠过滤技术研究院有限公司 | Suspended ceiling humidifier |
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Application publication date: 20210330 |