CN112503638A - Inclined-insertion embedded type adjustable air port device - Google Patents
Inclined-insertion embedded type adjustable air port device Download PDFInfo
- Publication number
- CN112503638A CN112503638A CN202011466732.1A CN202011466732A CN112503638A CN 112503638 A CN112503638 A CN 112503638A CN 202011466732 A CN202011466732 A CN 202011466732A CN 112503638 A CN112503638 A CN 112503638A
- Authority
- CN
- China
- Prior art keywords
- air
- arc
- valve plate
- air valve
- main pipe
- 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.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention provides an obliquely inserted and embedded adjustable air port device which comprises an arc air valve plate, a rotating shaft, a frame body, two side wing plates and an air port panel, wherein the frame body is arranged at an air port opening of a main air supply/exhaust pipe, one end of the arc air valve plate is hinged with the frame body through the rotating shaft, the other end of the arc air valve plate is connected with a driving assembly, the two side wing plates are respectively positioned at two sides of the arc air valve plate and are enclosed with the arc air valve plate, and the opening direction between the arc air valve plate and the main air supply/exhaust pipe is arranged towards the air flow direction in the main air supply. The invention controls the air passing area of the air inlet/outlet main pipe through the adjustment of the arc-shaped air valve plate, realizes the adjustment of the air quantity of the air inlet/outlet, is convenient and adjustable, and simultaneously, the air flow direction at the air inlet/outlet is basically consistent with the air flow direction in the air inlet/outlet main pipe due to the guide effect of the arc-shaped air valve plate, thereby avoiding the impact of the air flow at the air inlet/outlet on the air flow in the air inlet/outlet main pipe, reducing the resistance of the air inlet/outlet system and reducing the energy consumption of the system operation.
Description
Technical Field
The invention belongs to the technical field of ventilation air-conditioning system design, and particularly relates to an inclined-insertion embedded type adjustable air port device.
Background
At present, in the design of domestic ventilation air-conditioning systems, for air supply and exhaust (smoke exhaust) systems, holes are usually formed at the bottom and the side of a main air supply and exhaust (smoke exhaust) pipeline, and then air ports are directly additionally arranged at the holes or air ports (air diffusers, shutter air ports and the like) are arranged through short branch pipes. In order to facilitate the adjustment of each air supply and exhaust (smoke exhaust) port, a tuyere with a herringbone adjusting valve or a manual air volume adjusting valve arranged on a short branch pipe is generally adopted; the air quantity of the air port is adjusted by controlling the opening angle of the air port through the herringbone adjusting valve and adjusting the opening degree of the manual air quantity adjusting valve.
However, the conventional tuyere air volume control method has the following problems: (1) the air flow is controlled to be similar to sudden shrinkage throttling by controlling the air passing area through a herringbone adjusting valve or a manual air flow adjusting valve, so that the local resistance of an air port is large; (2) the air flow at the air port installed by the method can vertically collide with the air flow in the main pipeline, so that the resistance of an air supply and exhaust (smoke exhaust) system is further increased, and the operation energy consumption is increased; (3) in a traditional long-distance multi-tuyere air supply and exhaust (smoke exhaust) system, the distribution of air supply and exhaust (smoke exhaust) air volume of a plurality of tuyeres is unbalanced due to a three-way resistance principle, and especially the air volume of a far-end air supply and exhaust (smoke exhaust) tuyere can not be ensured.
Disclosure of Invention
The invention aims to provide an inclined insertion embedded type adjustable tuyere device which can at least solve part of defects in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
an inclined insertion embedded type adjustable tuyere device comprises an arc-shaped air valve plate, a rotating shaft, a frame body, a side wing plate and a tuyere panel, the frame body is arranged at the opening of the air port of the air supply/exhaust main pipe, the air port panel is fixed on the frame body, and the air port panel is provided with scale holes, the arc-shaped air valve plate is obliquely inserted in the air supply/exhaust main pipe, and the projection of the arc air valve plate on the pipe wall of the air supply/exhaust main pipe covers the air opening of the air supply/exhaust main pipe, one end of the arc air valve plate is hinged with the frame body through a rotating shaft, the other end of the arc air valve plate is connected with a driving component for driving the arc air valve plate to rotate around the rotating shaft, the driving component penetrates through the scale hole, two side wing plates are respectively positioned at two sides of the arc-shaped air valve plate, and the arc air valve plate are arranged in a surrounding way, and the opening direction between the arc air valve plate and the air supply/exhaust main pipe is arranged towards the air flow direction in the air supply/exhaust main pipe.
Further, the arc-shaped air valve plate comprises a straight plate section and an arc-shaped section, the end part of the straight plate section is hinged to the frame body through a rotating shaft, and the end part of the arc-shaped section is connected with the driving assembly.
Further, the maximum included angle between the arc-shaped air valve plate and the air supply/exhaust main pipe is 45 degrees.
Furthermore, a gap is reserved between the side wing plate and the arc air valve plate, and the gap is not more than 2 mm.
Furthermore, the side wing plate comprises an inclined section and a horizontal section, the inclined angle of the inclined section is the same as the maximum included angle formed by the arc-shaped air valve plate and the air supply/exhaust main pipe, and the distance between the horizontal section and the pipe wall of the air supply/exhaust main pipe is not less than the distance between the top of the arc-shaped air valve plate and the pipe wall of the air supply/exhaust main pipe.
Furthermore, a pulling plate is connected between the tops of the side wing plates on two sides of the arc-shaped air valve plate, and the lower surface of the pulling plate is attached to the top of the arc-shaped air valve plate.
Further, drive assembly is including adjusting the scale and welding in the fixed side ear on the arc wind valve plate, the one end of adjusting the scale with fixed side ear is articulated, and the other end of adjusting the scale runs through the scale hole, extends to and send/exhaust outside the main pipe.
Furthermore, the adjusting scale is provided with an adjusting sliding groove and adjusting scales, and the air port panel is welded with a positioning hole which is used for being fixed correspondingly to the adjusting sliding groove.
Furthermore, the regulation scale is made of stainless steel plate materials, and the thickness of the regulation scale is 1.5-2 mm.
Furthermore, the arc-shaped air valve plate, the side wing plate and the air port panel are made of galvanized steel plates or stainless steel plates.
Compared with the prior art, the invention has the beneficial effects that:
(1) the inclined insertion embedded type adjustable air port device provided by the invention controls the air passing area of the air inlet/outlet of the air supply/exhaust main pipe through the adjustment of the arc-shaped air valve plate, realizes the adjustment of the air quantity of the air supply/exhaust port, is convenient and adjustable, and simultaneously, the air flow direction at the air inlet/outlet of the inclined insertion embedded type adjustable air port device is basically consistent with the air flow direction in the air supply/exhaust main pipe due to the guide effect of the arc-shaped air valve plate, thereby avoiding the impact of the air flow at the air inlet/outlet of the air port device on the air flow in the air supply/exhaust main pipe, reducing the resistance of an air supply/exhaust system and reducing the energy consumption of system operation.
(2) The inclined insertion embedded type adjustable air port device provided by the invention has the advantages that the arc air valve plate is pushed and pulled through the arrangement of the adjusting scale, the accurate adjustment of the air quantity of the air supply/exhaust port is realized, and the problem of uniform air supply/exhaust (smoke exhaust) of the existing longitudinal long-distance multi-air port can be effectively solved.
The present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic plan view of an inclined insertion type adjustable tuyere device according to the present invention;
FIG. 2 is a schematic sectional view taken along the line A-A in FIG. 1;
FIG. 3 is a schematic sectional view taken along line B-B in FIG. 1;
fig. 4 is a schematic sectional view taken along the direction C-C in fig. 1.
Description of reference numerals: 1. a main air supply/exhaust pipe; 2. a rotating shaft; 3. opening a hole in the air port; 4. a tuyere panel; 5. a scale hole; 6. a frame body; 7. a side wing panel; 8. an arc-shaped air valve plate; 9. a draw-connection plate; 10. fixing the side ear; 11. adjusting the scale; 12. adjusting the sliding chute; 13. a bolt; 14. and (7) positioning the holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; in the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the present embodiment provides an inclined insertion embedded adjustable air port device, which includes an arc-shaped air valve plate 8, a rotating shaft 2, a frame 6, a side wing plate 7 and an air port panel 4, where the frame 6 is disposed at an air port opening 3 of an air supply/exhaust main pipe 1, specifically, the frame 6 is fixed to a short edge of the air supply/exhaust main pipe 1 by riveting via a flange, and an air inlet/outlet of the inclined insertion embedded adjustable air port device is designed at the air port opening 3, specifically, the air inlet/outlet is riveted to the air port panel 4 by using a standard serial air port; the air port panel 4 is riveted and fixed on the frame body 6, and the air port panel 4 is provided with a scale hole 5; the arc-shaped air valve plate 8 is obliquely inserted into the air supply/exhaust main pipe 1, the projection of the arc-shaped air valve plate 8 on the pipe wall of the air supply/exhaust main pipe 1 covers an air opening 3 of the air supply/exhaust main pipe 1, one end of the arc-shaped air valve plate 8 is hinged to the frame body 6 through the rotating shaft 2, the other end of the arc-shaped air valve plate 8 is connected with a driving assembly for driving the arc-shaped air valve plate 8 to rotate around the rotating shaft 2, the driving assembly penetrates through the scale hole 5, the two side wing plates 7 are located in the air supply/exhaust main pipe 1 and fixed on the frame body 6 through bolts, the two side wing plates 7 are respectively located on two sides of the arc-shaped air valve plate 8 and are enclosed with the arc-shaped air valve plate 8, and the opening direction between the arc-shaped air valve plate 8 and the air supply/. In this embodiment, the arc-shaped air valve plate 8 is driven by the driving assembly to rotate around the rotating shaft 2, so as to adjust the area of the opening between the arc-shaped air valve plate 8 and the air supply/exhaust main pipe 1, and the opening between the arc-shaped air valve plate 8 and the air supply/exhaust main pipe 1 is used as the air inlet/outlet of the obliquely inserted and embedded adjustable air port device corresponding to the air port opening 3, so as to adjust the air volume of the air supply/exhaust port of the obliquely inserted and embedded adjustable air port device; meanwhile, in the air feeding/exhausting process of the obliquely inserted and embedded adjustable air port device, the air flow direction at the air outlet/air inlet is basically consistent with the air flow direction in the air feeding/exhausting main pipe 1 due to the flow guide effect of the arc-shaped air valve plate 8, so that the impact of the air flow at the air inlet/air outlet of the air port device on the air flow in the air feeding/exhausting main pipe 1 is avoided, the resistance of an air feeding/exhausting system is reduced, and the energy consumption of the system in operation is reduced. The obliquely inserted and embedded adjustable air port device provided by the embodiment can be directly installed by punching holes in the air feeding/exhausting main pipe 1, is convenient to construct, can finish air port pre-installation in a factory especially for a finished product composite air pipe, and can also be installed by punching holes in a field directly, thereby being convenient and rapid.
Wherein, the specification and the size of the inclined insertion embedded type adjustable tuyere device are consistent with the standard serialization size of the tuyere.
The embodiment that refines, arc wind valve plate 8 includes straight plate section and segmental arc, can be formed by the whole preparation of a rectangular plate through the curved whole of arc, the tip of straight plate section is articulated through pivot 2 and framework 6, the tip and the drive assembly of segmental arc are connected. Preferably, the maximum included angle between the arc-shaped air valve plate 8 and the air supply/exhaust main pipe 1 is 45 degrees, that is, when the obliquely inserted and embedded adjustable air port device is in a fully open state, the straight plate section of the arc-shaped air valve plate 8 and the short edge of the air supply/exhaust main pipe 1 form an included angle of 45 degrees.
Furthermore, a gap is reserved between the side wing plate 7 and the arc-shaped air valve plate 8, and the gap is not more than 2mm, so that the air leakage quantity passing through the gap is reduced as much as possible while the smooth rotation of the arc-shaped air valve plate 8 is ensured.
To a specific implementation mode of the structure of the side wing plate 7, the structural design of the arc-shaped air valve plate 8 is matched, the side wing plate 7 comprises an inclined section and a horizontal section, the inclined angle of the inclined section is the same as the maximum included angle formed by the arc-shaped air valve plate 8 and the air supply/exhaust main pipe 1, namely the inclined angle of the inclined section is designed to be 45 degrees, the distance between the horizontal section and the wall of the air supply/exhaust main pipe 1 is not less than the distance between the top of the arc-shaped air valve plate 8 and the wall of the air supply/exhaust main pipe 1, and the two sides of the arc-shaped air valve plate 8 can be enclosed with the side wing plate 7.
Optimized, be connected with the fishplate bar 9 between the flank board 7 top of 8 both sides of arc wind valve plate, strengthen the structural stability of the fixed flank board 7 in 8 both sides of arc wind valve plate through the fishplate bar 9, the design is when inserting the adjustable wind gap device of inserted type to one side and being in the state of opening entirely simultaneously, the lower surface of fishplate bar 9 can laminate with 8 tops of arc wind valve plate.
Furthermore, the arc-shaped air valve plate 8, the side wing plate 7 and the air port panel 4 can be made of materials which can be adjusted according to actual requirements, such as galvanized steel plates, stainless steel plates (304, the thickness is determined according to the size of a component) and the like and meet the requirement of the fire resistance of the subway.
In this embodiment, as shown in fig. 1, the driving assembly includes an adjusting scale 11 and a fixing lug 10 welded on the arc air valve plate 8, one end of the adjusting scale 11 is hinged to the fixing lug 10, the other end of the adjusting scale 11 penetrates through the scale hole 5 and extends to the outside of the main air supply/exhaust pipe 1, the adjusting scale 11 is pushed and pulled inwards or outwards along the scale hole 5 on the air port panel 4, and meanwhile, the end of the adjusting scale 11 can be hinged and rotated at any angle through the fixing lug 10 on the arc air valve plate 8, so that the arc air valve plate 8 can be driven to rotate around the rotating shaft 2. Furthermore, the adjusting scale 11 is provided with adjusting scales, so that the rotation angle of the arc-shaped air valve plate 8 can be accurately adjusted, the air quantity of the air supply/exhaust port can be accurately adjusted, and the problem of uniform air supply/exhaust (smoke exhaust) of multiple air ports in the prior art with a long longitudinal distance is effectively solved.
Preferably, as shown in fig. 2 and 4, the adjusting scale 11 is further provided with an adjusting chute 12, and the air port panel 4 is welded with a positioning hole 14 for corresponding fixation with the adjusting chute 12, so that when the adjusting scale 11 pushes and pulls the arc-shaped air valve plate 8 to rotate and the air outlet/inlet area is adjusted to the right position, the adjusting scale 11 is locked on the positioning hole 14 of the air port panel 4 through the adjusting chute 12 via a bolt 13, thereby fixing the arc-shaped air valve plate 8. Specifically, the adjusting scale 11 is made of stainless steel plates to enhance rigidity of the adjusting scale, and the thickness of the adjusting scale 11 is 1.5-2 mm and is specifically determined according to the size of a component.
In conclusion, the obliquely inserted and embedded adjustable air inlet device provided by the invention controls the air passing area of the air inlet/outlet of the air supply/exhaust main pipe through the adjustment of the arc-shaped air valve plate, realizes the adjustment of the air quantity of the air supply/exhaust port, is convenient and adjustable, and simultaneously, the air flow direction at the air inlet/outlet of the obliquely inserted and embedded adjustable air inlet device is basically consistent with the air flow direction in the air supply/exhaust main pipe due to the flow guide effect of the arc-shaped air valve plate, so that the impact of the air flow at the air inlet/outlet of the air inlet device on the air flow in the air supply/exhaust main pipe is avoided, the resistance of an air supply/exhaust system is reduced, and the energy consumption of system operation is reduced.
The above examples are merely illustrative of the present invention and should not be construed as limiting the scope of the invention, which is intended to be covered by the claims and any design similar or equivalent to the scope of the invention.
Claims (10)
1. The utility model provides an insert adjustable wind gap device of inserted formula to one side which characterized in that: comprises an arc-shaped air valve plate, a rotating shaft, a frame body, a side wing plate and an air port panel, wherein the frame body is arranged at an air port opening of an air supply/exhaust main pipe, the air port panel is fixed on the frame body, and the air port panel is provided with scale holes, the arc-shaped air valve plate is obliquely inserted in the air supply/exhaust main pipe, and the projection of the arc air valve plate on the pipe wall of the air supply/exhaust main pipe covers the air opening of the air supply/exhaust main pipe, one end of the arc air valve plate is hinged with the frame body through a rotating shaft, the other end of the arc air valve plate is connected with a driving component for driving the arc air valve plate to rotate around the rotating shaft, the driving component penetrates through the scale hole, two side wing plates are respectively positioned at two sides of the arc-shaped air valve plate, and the arc air valve plate are arranged in a surrounding way, and the opening direction between the arc air valve plate and the air supply/exhaust main pipe is arranged towards the air flow direction in the air supply/exhaust main pipe.
2. The inclined-insertion type adjustable tuyere device according to claim 1, wherein: the arc-shaped air valve plate comprises a straight plate section and an arc-shaped section, the end part of the straight plate section is hinged to the frame body through a rotating shaft, and the end part of the arc-shaped section is connected with the driving assembly.
3. The inclined-insertion type adjustable tuyere device according to claim 1, wherein: the maximum included angle between the arc-shaped air valve plate and the air supply/exhaust main pipe is 45 degrees.
4. The inclined-insertion type adjustable tuyere device according to claim 1, wherein: and a gap is reserved between the side wing plate and the arc air valve plate, and the gap is not more than 2 mm.
5. The inclined-insertion type adjustable tuyere device according to claim 1, wherein: the side wing plate comprises an inclined section and a horizontal section, the inclined angle of the inclined section is the same as the maximum included angle formed by the arc-shaped air valve plate and the air supply/exhaust main pipe, and the distance between the horizontal section and the pipe wall of the air supply/exhaust main pipe is not less than the distance between the top of the arc-shaped air valve plate and the pipe wall of the air supply/exhaust main pipe.
6. The inclined-insertion type adjustable tuyere device according to claim 1, wherein: and a pulling plate is connected between the tops of the side wing plates on the two sides of the arc-shaped air valve plate, and the lower surface of the pulling plate is attached to the top of the arc-shaped air valve plate.
7. The inclined-insertion type adjustable tuyere device according to claim 1, wherein: the drive assembly comprises an adjusting scale and a fixed side lug welded on the arc air valve plate, one end of the adjusting scale is hinged to the fixed side lug, and the other end of the adjusting scale penetrates through a scale hole and extends out of the air supply/exhaust main pipe.
8. The inclined-insertion type adjustable tuyere device according to claim 7, wherein: the adjusting scale is provided with an adjusting sliding groove and adjusting scales, and the air port panel is welded with a positioning hole which is used for being fixed correspondingly to the adjusting sliding groove.
9. The inclined-insertion type adjustable tuyere device according to claim 7, wherein: the adjusting scale is made of stainless steel plates, and the thickness of the adjusting scale is 1.5-2 mm.
10. The inclined-insertion type adjustable tuyere device according to claim 1, wherein: the arc-shaped air valve plate, the side wing plate and the air port panel are made of galvanized steel plates or stainless steel plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011466732.1A CN112503638A (en) | 2020-12-14 | 2020-12-14 | Inclined-insertion embedded type adjustable air port device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011466732.1A CN112503638A (en) | 2020-12-14 | 2020-12-14 | Inclined-insertion embedded type adjustable air port device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112503638A true CN112503638A (en) | 2021-03-16 |
Family
ID=74972134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011466732.1A Pending CN112503638A (en) | 2020-12-14 | 2020-12-14 | Inclined-insertion embedded type adjustable air port device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112503638A (en) |
-
2020
- 2020-12-14 CN CN202011466732.1A patent/CN112503638A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203586407U (en) | Ceiling type air conditioner indoor unit system | |
| CN214500066U (en) | Inclined-insertion embedded type air supply/exhaust adjustable three-way device | |
| CN214468941U (en) | Inclined-insertion embedded type adjustable air port device | |
| CN105953391B (en) | A kind of wall-hung indoor unit of air conditioner | |
| CN112503638A (en) | Inclined-insertion embedded type adjustable air port device | |
| CN112503192B (en) | Oblique-insertion embedded type three-way device with adjustable air supply/exhaust | |
| CN205860385U (en) | The ducting assembly of air-conditioner, air-conditioner | |
| CN107726586A (en) | Air conditioner and its control method | |
| CN214325095U (en) | 45-degree embedded adjustable subway rail top exhaust valve device and exhaust system | |
| CN216445248U (en) | Reliable glass tempering air supply system of accuse wind | |
| CN213685318U (en) | Air valve for central air conditioner with adjustable flow | |
| CN113831003A (en) | Reliable glass tempering air supply system of accuse wind | |
| CN202467263U (en) | Noise reduction room for gas pressure regulation station | |
| CN206387021U (en) | Wall-hanging indoor unit of air conditioner and wall-hanging air conditioner | |
| CN214478950U (en) | Power distribution cabinet with automatic adjusting function | |
| CN217328584U (en) | Air quantity regulating type air pipe three-way valve | |
| CN108571771A (en) | A kind of wall attachment jet air-supply arrangement of combination fan coil | |
| CN108616068A (en) | A kind of prefabricated cabin nacelle and prefabricated cabin | |
| CN201277660Y (en) | Square cabin centralized ventilation and heat radiation system | |
| CN220374233U (en) | Novel integral air supply structure of cab | |
| CN205980043U (en) | Many spaces of formula air conditioning is sent interior machine to side next time | |
| CN206247482U (en) | Air pipe type air-conditioner | |
| CN211204364U (en) | Flow guide ceiling type air cooler | |
| CN220361783U (en) | Air supplementing type exhaust cabinet | |
| CN221761073U (en) | Rotary connecting mechanism of curtain wall |
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 |