CN109163408B - Ventilation device - Google Patents
Ventilation device Download PDFInfo
- Publication number
- CN109163408B CN109163408B CN201811161816.7A CN201811161816A CN109163408B CN 109163408 B CN109163408 B CN 109163408B CN 201811161816 A CN201811161816 A CN 201811161816A CN 109163408 B CN109163408 B CN 109163408B
- Authority
- CN
- China
- Prior art keywords
- air outlet
- air
- ventilation device
- plate
- piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000009423 ventilation Methods 0.000 title claims abstract description 48
- 238000005452 bending Methods 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
- F24F7/065—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit fan combined with single duct; mounting arrangements of a fan in a duct
-
- 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
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
- Duct Arrangements (AREA)
Abstract
The invention provides a ventilation device, which comprises an air inlet, an air outlet and a communication pipeline which is communicated with the air inlet and the air outlet, wherein the communication pipeline is arranged on a wall in a penetrating way so that the air outlet is communicated with the outside air, and the ventilation device is characterized by further comprising: the air outlet piece is rotatably arranged at the air outlet and is provided with an air outlet channel, an air inlet and an air outlet, wherein the air inlet and the air outlet are communicated with the air outlet channel, the air inlet is communicated with the communicating pipeline, and the air outlet is communicated with the indoor space, so that the air in the communicating pipeline enters the air outlet channel and is discharged from the air outlet. The ventilation device provided by the invention can solve the technical problem of low ventilation quality of the ventilation device in the prior art.
Description
Technical Field
The invention relates to the technical field of air interchangers, in particular to an air interchanger.
Background
Currently, a ventilator is a device that can exchange indoor air with outdoor air, and the indoor air quality can be improved by the ventilator, so that the ventilator is widely used.
The ventilation device in the prior art generally outputs air through the air outlet, so that the air outlet mode is single, the air outlet air flow is smaller, and the ventilation quality is not improved.
Disclosure of Invention
The invention mainly aims to provide a ventilation device to solve the technical problem that the ventilation quality of the ventilation device in the prior art is low.
In order to achieve the above object, the present invention provides a ventilation device, which includes an air inlet, an air outlet, and a communication pipe connected to the air inlet and the air outlet, wherein the communication pipe is installed on a wall to connect the air outlet with the outside air, and the ventilation device further includes: the air outlet piece is rotatably arranged at the air outlet and is provided with an air outlet channel, an air inlet and an air outlet, wherein the air inlet and the air outlet are communicated with the air outlet channel, the air inlet is communicated with the communicating pipeline, and the air outlet is communicated with the indoor space, so that the air in the communicating pipeline enters the air outlet channel and is discharged from the air outlet.
Further, the air outlet channel is provided with a first flow surface along the direction perpendicular to the flow direction of the air flow in the air outlet channel; the communicating pipe is provided with a second flow surface along the direction perpendicular to the flow direction of the air flow in the communicating pipe; the area of the first flow surface is smaller than that of the second flow surface, so that the air flow speed of the air outlet channel is larger than that of the communicating pipe.
Further, the air outlet piece is of a bending structure, and is provided with two air inlets which are respectively arranged at two ends of the bending structure.
Further, the air outlet channel is positioned in the bending structure, and the air outlet is positioned on the side wall of the bending structure.
Further, the side wall of the bending structure comprises an inner ring wall plate, an outer ring wall plate, a first air duct plate and a second air duct plate, and the inner ring wall plate, the outer ring wall plate, the first air duct plate and the second air duct plate enclose an air outlet channel; the inner ring wall plate is arranged opposite to the outer ring wall plate, the first air duct plate and the second air duct plate are arranged opposite to each other, and the first air duct plate and the second air duct plate are arranged between the inner ring wall plate and the outer ring wall plate to connect the inner ring wall plate and the outer ring wall plate.
Further, the air outlets are divided into two groups, one group of air outlets are arranged on the inner ring wall plate, and the other group of air outlets are arranged on the first air duct plate or the second air duct plate.
Further, the air outlet piece is provided with a first position and a second position, and the air outlet piece can be arranged between the first position and the second position in a swinging way; when the air outlet piece is positioned at the first position, the air flow direction in the air outlet channel is perpendicular to the air flow direction in the communicating pipeline; when the air outlet piece is positioned at the second position, the airflow flowing direction of the air inlet is perpendicular to the airflow flowing direction in the communicating pipeline.
Further, the air outlet piece is provided with a third position between the first position and the second position, and when the air outlet piece moves between the first position and the third position, an air outlet arranged on the inner ring wall plate is used for discharging air in the air outlet channel; when the air outlet piece moves between the third position and the second position, the air outlet arranged on the first air duct plate or the second air duct plate is used for discharging air in the air outlet channel.
Further, the outer wall surface of the air outlet piece is matched with the inner wall surface of the air outlet in shape, so that the outer wall surface of the air outlet piece is attached to the inner wall surface of the air outlet.
Further, the air outlet is circular, and the outer wall surface of the air outlet piece is an arc surface matched with the inner wall surface of the air outlet.
Further, the air outlet of the air interchanger is also provided with a clamping piece, and one end of the clamping piece is arranged at one end of the communicating pipeline, which is close to the air outlet, so that the air interchanger is connected with a device to be ventilated with fresh air through the clamping piece.
Further, the communication pipe has a retractable pipe section so that the communication pipe is retractable to be threaded on the wall.
Further, a filter device is arranged in the communicating pipeline and is used for filtering fresh air in the communicating pipeline.
By applying the technical scheme of the invention, the air outlet is additionally provided with the air outlet, the air outlet is rotatably arranged at the air outlet, and the air in the communication channel enters the air outlet channel through the air inlet of the air outlet and is discharged into a room from the air outlet. Like this, the air outlet and the communicating pipe of air-out passageway all can be used to provide the new trend indoor, have realized the diversification of air inlet mode. Meanwhile, the air flow exhausted from the air outlet of the air outlet channel is disturbed with the air flow exhausted from the communicating pipeline, so that the flow speed of indoor air is increased, and the ventilation efficiency is improved. Therefore, the ventilation device provided by the invention can solve the technical problem of low ventilation quality of the ventilation device in the prior art.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
fig. 1 shows a schematic structural view of a ventilation device provided according to an embodiment of the present invention;
FIG. 2 illustrates a side view of a ventilation device provided in accordance with an embodiment of the present invention;
fig. 3 shows a schematic structural diagram of an air outlet member according to an embodiment of the present invention.
Wherein the above figures include the following reference numerals:
10. an air inlet; 20. an air outlet; 30. a communication pipe; 40. an air outlet piece; 50. a filtering device; 60. a clamping piece; 70. a blower; 80. a louver; 90. a protective cover; 100. a wall.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1 to 3, the embodiment of the present invention provides a ventilation device, which includes an air inlet 10, an air outlet 20, and a communication pipe 30 which is connected to both the air inlet 10 and the air outlet 20, wherein the communication pipe 30 is installed on a wall 100 in a penetrating manner so that the air outlet 20 is connected to the outside air. The ventilation device further comprises an air outlet piece 40, the air outlet piece 40 is rotatably arranged at the air outlet 20, the air outlet piece 40 is provided with an air outlet channel, an air inlet and an air outlet, the air inlet and the air outlet are communicated with the air outlet channel, the air inlet is communicated with the communicating pipeline 30, the air outlet is communicated with the indoor space, and therefore air in the communicating pipeline 30 enters the air outlet channel and is discharged from the air outlet.
By adopting the ventilation device provided by the embodiment, the air outlet 20 is additionally provided with the air outlet piece 40, the air outlet piece 40 is rotatably arranged at the air outlet 20, and the air in the communication channel enters the air outlet channel through the air inlet of the air outlet piece 40 and is discharged into a room from the air outlet. Like this, the air outlet 20 and the communication pipeline 30 of air-out passageway all can be used to provide the fresh air indoor, have realized the diversification of air inlet mode. Meanwhile, the air flow discharged from the air outlet 20 of the air outlet passage is disturbed with the air flow discharged from the communication pipe 30 to accelerate the flow rate of the indoor air, thereby improving ventilation efficiency. Therefore, the ventilation device provided by the invention can solve the technical problem of low ventilation quality of the ventilation device in the prior art.
The ventilation device of this embodiment is miniaturized, and the air-out mode is various, and the flow of the air current of being convenient for has promoted ventilation efficiency. Meanwhile, the air outlet member 40 can also be used as a handle, and when the air exchanging device needs to be cleaned or maintained, an operator can draw out the air exchanging device penetrating through the wall 100 through the air outlet member 40.
Specifically, in this embodiment, the air outlet channel has a first flow surface along a direction perpendicular to the airflow direction in the air outlet channel. The communication pipe 30 has a second flow surface in a direction perpendicular to the flow direction of the air flow in the communication pipe 30. The area of the first flow surface is smaller than that of the second flow surface so that the air flow velocity of the air outlet passage is greater than that of the communication pipe 30. With such an arrangement, the air flow rate can be increased by adding the air outlet member 40 so as to increase the indoor air flow rate, thereby improving ventilation efficiency.
As shown in fig. 3, the air outlet member 40 has a curved structure, and the air outlet member 40 has two air inlets respectively disposed at two ends of the curved structure. By adopting the arrangement, the air flow speed in the air outlet channel can be better improved. The air flow in the communication duct 30 will enter the air outlet channel through the two air inlets and be discharged from the air outlet into the room.
The air outlet channel in this embodiment is located inside the curved structure, and the air outlet is located on the side wall of the curved structure. By adopting the arrangement, the air flow in the air outlet channel can be conveniently discharged into a room.
Specifically, the side wall of the bending structure comprises an inner ring wall plate, an outer ring wall plate, a first air duct plate and a second air duct plate, and the inner ring wall plate, the outer ring wall plate, the first air duct plate and the second air duct plate enclose an air outlet channel. The inner ring wall plate is arranged opposite to the outer ring wall plate, the first air duct plate and the second air duct plate are arranged opposite to each other, and the first air duct plate and the second air duct plate are arranged between the inner ring wall plate and the outer ring wall plate to connect the inner ring wall plate and the outer ring wall plate.
In this embodiment, the air outlets are plural, and the plural air outlets are divided into two groups. One group of air outlets are arranged on the inner ring wall plate, and the other group of air outlets are arranged on the first air duct plate or the second air duct plate.
In the present embodiment, the air outlet member 40 has a first position and a second position, and the air outlet member 40 is swingably disposed between the first position and the second position. When the air outlet member 40 is at the first position, the airflow direction in the air outlet passage is perpendicular to the airflow direction in the communication pipe 30. When the air outlet member 40 is at the second position, the airflow direction of the air inlet is perpendicular to the airflow direction in the communication pipe 30. Specifically, when the air outlet member 40 is at the first position, the rotation angle thereof is 0 °; when the air outlet member 40 is in the second position, the rotation angle thereof is 90 °.
Specifically, the air outlet member 40 in this embodiment further has a third position located between the first position and the second position. When the air outlet member 40 moves between the first position and the third position, the air outlet on the inner ring wall plate is used for discharging air in the air outlet channel, and at this time, the air exchanging device is mainly used for being communicated with the device to be introduced with fresh air, so that the fresh air in the air exchanging device can be better blown into the device to be introduced with fresh air, which is communicated with the device to be introduced with fresh air. When the air outlet member 40 moves between the third position and the second position, the air outlet on the first air duct plate or the second air duct plate is used for discharging air in the air outlet channel, and at this time, the air outlet member 40 of the ventilation device is used for discharging fresh air indoors so as to better promote the quality of indoor air. Specifically, the device to be supplied with fresh air may be an air conditioner.
Specifically, the third position in the present embodiment may be any angle between 30 ° and 60 ° of the rotation angle of the air outlet member 40.
Specifically, the outer wall surface of the air outlet member 40 is adapted to the shape of the inner wall surface of the air outlet 20, so that the outer wall surface of the air outlet member 40 is attached to the inner wall surface of the air outlet 20. Thus, when the rotation angle of the air outlet member 40 is 0 °, the outer wall surface of the air outlet member 40 is attached to the inner wall surface of the air outlet 20, so that the air outlet member 40 can be partially disposed in the communication pipe 30, so as to facilitate the air outlet member 40 to be retracted.
In this embodiment, the air outlet 20 is circular, and the outer wall surface of the air outlet member 40 is an arc surface adapted to the inner wall surface of the air outlet 20. With such a configuration, when the ventilation device is not in operation, the outer wall surface of the air outlet member 40 can be attached to the inner wall surface of the air outlet 20, so as to retract the air outlet member 40.
Specifically, the air outlet 20 of the ventilation device in this embodiment is further provided with a clamping member 60. One end of the clamping piece 60 is arranged at one end of the communicating pipe 30 close to the air outlet 20, so that the air exchanging device is connected with a device to be communicated with fresh air through the clamping piece 60.
The communication pipe 30 in the present embodiment has a retractable pipe section so that the communication pipe 30 is retractable to be installed on the wall 100. With such an arrangement, the communication pipe 30 can be extended and contracted according to the actual use situation.
In order to better improve the fresh air quality of the air outlet 20, the embodiment is provided with a filtering device 50 in the communicating pipeline 30, and the filtering device 50 is used for filtering the fresh air in the communicating pipeline 30.
In this embodiment, a fan 70 is further disposed in the communicating pipe 30, and a louver net or a louver 80 window is disposed at an air inlet position of the fan 70. When the ventilator is not in operation, the louvers or louvers 80 may be closed to prevent ambient dust from entering the communication duct 30 through the open louvers or louvers 80. A protective cover 90 is also provided at the air inlet 10, and the protective cover 90 is located outdoors and can be used for rain protection or dust protection.
From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects: simple structure, the air-out mode is various, increased the flow of indoor air, promoted ventilation efficiency and ventilation quality, be convenient for simultaneously with other devices intercommunication of waiting to let in new trend.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (11)
1. A ventilation device, the ventilation device includes air intake (10), air outlet (20) and with air intake (10) with communication pipeline (30) that air outlet (20) all communicate and set up, communication pipeline (30) wear to establish on wall (100) so that air outlet (20) communicate with the outside air, its characterized in that, ventilation device still includes:
the air outlet piece (40) is rotatably arranged at the air outlet (20), the air outlet piece (40) is arranged outside the air outlet (20) in a protruding mode, the air outlet piece (40) is provided with an air outlet channel, an air inlet and an air outlet, the air inlet is communicated with the air outlet channel, the air inlet is communicated with the communicating pipeline (30), the air outlet is communicated with the indoor, and therefore air in the communicating pipeline (30) enters the air outlet channel and is discharged from the air outlet;
the air outlet piece (40) is of a bending structure, the air outlet piece (40) is provided with two air inlets, and the two air inlets are respectively arranged at two ends of the bending structure;
the air outlet channel is positioned in the bending structure, and the air outlet is positioned on the side wall of the bending structure.
2. The ventilation device of claim 1, wherein the air outlet channel has a first flow surface along a direction perpendicular to a flow of air within the air outlet channel; the communication pipe (30) has a second flow surface along a direction perpendicular to the flow direction of the air flow in the communication pipe (30); the area of the first flow surface is smaller than that of the second flow surface, so that the air flow speed of the air outlet channel is larger than that of the communicating pipe (30).
3. The ventilation device of claim 1, wherein the sidewall of the curved structure comprises an inner annular wall plate, an outer annular wall plate, a first air duct plate, and a second air duct plate, the inner annular wall plate, the outer annular wall plate, the first air duct plate, and the second air duct plate enclosing the air outlet passage; the inner annular wall plate is arranged opposite to the outer annular wall plate, the first air duct plate and the second air duct plate are arranged opposite to each other, and the first air duct plate and the second air duct plate are arranged between the inner annular wall plate and the outer annular wall plate so as to be connected with the inner annular wall plate and the outer annular wall plate.
4. A ventilation device according to claim 3, wherein the plurality of air outlets are divided into two groups, one group of air outlets being provided on the inner annular wall plate and the other group of air outlets being provided on the first air duct plate or the second air duct plate.
5. The ventilator according to claim 4, wherein the air outlet member (40) has a first position and a second position, the air outlet member (40) being swingably arranged between the first position and the second position; when the air outlet piece (40) is positioned at the first position, the airflow flowing direction in the air outlet channel is perpendicular to the airflow flowing direction in the communicating pipeline (30); when the air outlet piece (40) is positioned at the second position, the airflow flowing direction of the air inlet is perpendicular to the airflow flowing direction in the communicating pipe (30).
6. The ventilation device according to claim 5, wherein the air outlet member (40) further has a third position located between the first position and the second position, the air outlet located on the inner annular wall plate for discharging air in the air outlet passage when the air outlet member (40) moves between the first position and the third position; and when the air outlet piece (40) moves between the third position and the second position, the air outlet arranged on the first air duct plate or the second air duct plate is used for discharging air in the air outlet channel.
7. The ventilation device according to claim 1, wherein the outer wall surface of the air outlet member (40) is adapted to the shape of the inner wall surface of the air outlet (20) so that the outer wall surface of the air outlet member (40) is bonded to the inner wall surface of the air outlet (20).
8. The ventilation device according to claim 1, wherein the air outlet (20) is circular, and an outer wall surface of the air outlet member (40) is an arc surface adapted to an inner wall surface of the air outlet (20).
9. The ventilation device according to claim 1, characterized in that the air outlet (20) of the ventilation device is further provided with a clamping piece (60), and one end of the clamping piece (60) is arranged at one end of the communicating pipe (30) close to the air outlet, so that the ventilation device is connected with a device to be ventilated with fresh air through the clamping piece (60).
10. The ventilator according to claim 1, wherein the communication conduit (30) has a telescopic tube section so that the communication conduit (30) is telescopically arranged in the wall (100).
11. The ventilation device according to claim 1, characterized in that a filtering device (50) is arranged in the communication pipeline (30), and the filtering device (50) is used for filtering fresh air in the communication pipeline (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811161816.7A CN109163408B (en) | 2018-09-30 | 2018-09-30 | Ventilation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811161816.7A CN109163408B (en) | 2018-09-30 | 2018-09-30 | Ventilation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109163408A CN109163408A (en) | 2019-01-08 |
| CN109163408B true CN109163408B (en) | 2024-02-27 |
Family
ID=64877239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811161816.7A Active CN109163408B (en) | 2018-09-30 | 2018-09-30 | Ventilation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109163408B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114909722A (en) * | 2022-03-25 | 2022-08-16 | 北京小米移动软件有限公司 | Desktop air conditioner |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204593588U (en) * | 2014-12-31 | 2015-08-26 | 安徽宾肯电气股份有限公司 | A kind of fresh-air ventilation machine |
| CN106440028A (en) * | 2016-09-19 | 2017-02-22 | 珠海格力电器股份有限公司 | Air conditioner |
| CN207635530U (en) * | 2017-10-25 | 2018-07-20 | 北京欧普泰科技有限公司 | Reduce the fresh air purifier of indoor temperature change generated in case |
| CN208983549U (en) * | 2018-09-30 | 2019-06-14 | 珠海格力电器股份有限公司 | Air interchanger |
-
2018
- 2018-09-30 CN CN201811161816.7A patent/CN109163408B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204593588U (en) * | 2014-12-31 | 2015-08-26 | 安徽宾肯电气股份有限公司 | A kind of fresh-air ventilation machine |
| CN106440028A (en) * | 2016-09-19 | 2017-02-22 | 珠海格力电器股份有限公司 | Air conditioner |
| CN207635530U (en) * | 2017-10-25 | 2018-07-20 | 北京欧普泰科技有限公司 | Reduce the fresh air purifier of indoor temperature change generated in case |
| CN208983549U (en) * | 2018-09-30 | 2019-06-14 | 珠海格力电器股份有限公司 | Air interchanger |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109163408A (en) | 2019-01-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1600705A2 (en) | Ventilating system | |
| CN105605671A (en) | Air conditioning device | |
| WO2019137557A1 (en) | Dual air duct air conditioner indoor unit | |
| CN109163408B (en) | Ventilation device | |
| WO2019184506A1 (en) | Outdoor pipe-connecting structure and air conditioner indoor unit having same | |
| CN208983549U (en) | Air interchanger | |
| CN213514290U (en) | Machine and air conditioner in new trend device, air conditioning | |
| CN210832222U (en) | Air conditioner indoor unit and air conditioner | |
| CN106321473B (en) | Cross flow fan for air conditioner | |
| CN210373755U (en) | Air conditioner | |
| CN100476309C (en) | Simultaneous supply/discharge type ventilator | |
| CN101846376A (en) | Combined fresh air system | |
| CN100417867C (en) | Air conditioner | |
| CN204187789U (en) | Blower fan air inlet/outlet integration air channel | |
| CN110440340A (en) | Air-cooled ducted air conditioner and air-conditioning | |
| JPH0473531A (en) | Air conditioner with ventilating function | |
| CN206626682U (en) | Wall-hanging air conditioner all-in-one | |
| JP2003130417A (en) | Ventilating device | |
| CN105090119B (en) | Spiral case and vortex fan, air conditioner with it | |
| CN208365740U (en) | A kind of new blower of wall-hanging | |
| CN209326009U (en) | Ventilation device is used in a kind of displacement of Laboratory air | |
| CN207179924U (en) | A kind of device for giving indoor supply fresh air and air draft | |
| US20160305379A1 (en) | Combination Exhaust and Supply Duct | |
| CN212719910U (en) | New fan and air-out structure thereof | |
| CN214198913U (en) | Fresh air system and air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |