CN114484674B - Uniform air outlet device of ventilating duct - Google Patents
Uniform air outlet device of ventilating duct Download PDFInfo
- Publication number
- CN114484674B CN114484674B CN202210322782.5A CN202210322782A CN114484674B CN 114484674 B CN114484674 B CN 114484674B CN 202210322782 A CN202210322782 A CN 202210322782A CN 114484674 B CN114484674 B CN 114484674B
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- China
- Prior art keywords
- air
- flow
- plate
- air guide
- pipeline
- 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.)
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- 238000009423 ventilation Methods 0.000 claims abstract description 10
- 239000000428 dust Substances 0.000 claims description 14
- 238000005192 partition Methods 0.000 claims description 13
- 241000883990 Flabellum Species 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000009827 uniform distribution Methods 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
- F24F7/003—Ventilation in combination with air cleaning
-
- 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
- F24F13/082—Grilles, registers or guards
- F24F13/085—Grilles, registers or guards including an air filter
-
- 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
- F24F13/105—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers composed of diaphragms or segments
-
- 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
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Duct Arrangements (AREA)
- Air-Flow Control Members (AREA)
Abstract
The utility model relates to a ventilation equipment technical field specifically discloses a even air-out device of air pipe, including pipeline casing, air guide chamber and exhaust chamber, pipeline casing is whole to the rectangle, communicates to the air inlet at pipeline casing's left end, pipeline casing's right-hand member and blast pipe intercommunication each other, opens in pipeline casing has air guide chamber and exhaust chamber, and air guide chamber is linked together with the exhaust chamber, has placed guiding device in the air guide chamber, and guiding device has led the air current in the pipeline casing, has placed diverging device in the exhaust chamber, and diverging device shunts the air current that the direction was accomplished. The purpose of this patent is to solve the problem that the gas in the pipeline can not evenly flow out.
Description
Technical Field
The invention relates to the technical field of ventilation pipelines, in particular to a uniform air outlet device of a ventilation pipeline.
Background
The gas pipeline is a device for containing gas to flow, and because of the complex structure in the pipeline, the air flow can be in a disturbed state in the pipeline, if no measures are taken, the air flow can not be concentrated to supply air to the air outlet, meanwhile, the stronger wind force in the pipeline can damage accessory parts in the pipeline, so that the experience of supplying air is poor, the parts in the pipeline are damaged by the strong air flow when serious, the effect of finally generating after the air flow in the pipeline is influenced, and therefore, the disturbed air flow in the pipeline needs to be regulated, so that the air is uniformly and stably blown out of the pipeline.
At present, in the field of pipelines, aiming at the problems caused by the problems, a series of measures such as controlling the air inlet quantity of an air outlet are usually adopted, the used device is large, the cost is high, and meanwhile, the uniform treatment can not be carried out on the air flow in the pipeline.
Disclosure of Invention
The invention solves the technical problem of providing a uniform air outlet device of a ventilating duct, and solves the problem that gas in the duct cannot flow out uniformly.
In order to solve the problems, the invention adopts the following technical scheme:
the technical principle of the technical scheme is as follows:
the utility model provides a even air-out device of air pipe, including pipeline casing, air guide chamber and exhaust chamber, pipeline casing is whole to the rectangle, communicates to the air inlet at pipeline casing's left end, and pipeline casing's right-hand member and blast pipe communicate each other, open in the pipeline casing has air guide chamber and exhaust chamber, and air guide chamber is linked together with the exhaust chamber, has placed guiding device in the air guide chamber, and guiding device has placed diverging device in the exhaust chamber to the air current in the pipeline casing, and diverging device shunts the air current that the direction finishes.
The beneficial effect that this scheme produced is:
1. through setting up guiding device, can be with the quick leading-in air guide indoor of air current, avoid the air current to pile up, the air current is piled up and can lead to the pipeline internal pressure grow, can lead to the pipeline to damage when serious.
2. By arranging the flow dividing device, the flow dividing device stabilizes and evenly distributes the original turbulent air flow into the pipeline.
3. By providing the gas guide chamber and the exhaust chamber, the gas flowing into the pipe is treated, and the turbulent gas flow passes through the gas guide chamber and the exhaust chamber, and the gas flow flowing out of the exhaust chamber becomes uniform.
Further, the dust removing plate is arranged near the air inlet in the air guide chamber, the two ends of the dust removing plate are fixed on the inner wall of the air guide chamber through bolts, the dust removing plate filters air flow entering the pipeline shell from the air inlet, large-particle dust is filtered, and the dust in the air flow is prevented from affecting the precise part of the air outlet.
Further, guiding device includes the air guide fan, and the air guide fan comprises casing, motor and flabellum, and the motor can drive the flabellum and rotate, is provided with the stopper in the rear department of interior dust collecting plate, and stopper fixed connection is on the inner wall of air guide chamber, and the stopper is spacing fixed in the air guide chamber with the air guide fan, and the air guide fan in the pipeline casing drives the flabellum rotation under the rotation of motor, will filter the air current of accomplishing to the rear of direction air guide chamber, does benefit to the flow of air current more.
Further, the guide device further comprises guide plates which are opened left and right, guide plates are placed in the guide plates and are arranged up and down symmetrically along the center of the guide plates, the guide plates are arc-shaped sheets, a group of opposite guide plates are approximately bowl-shaped, the guide plates are rectangular, the guide plates are fixedly clamped at the rear end of the guide chamber, and the guide plates concentrate air flow to the other end of the guide plates.
Further, an air inlet pipeline is arranged at the rear of the guide plate, a partition plate is arranged at the center of the air inlet pipeline, the partition plate is used for arranging the air inlet pipeline into two channels which are vertically symmetrical, and the guide plate is used for uniformly distributing concentrated air flow into the two air inlet pipelines.
Further, the two pipelines are internally provided with the flow dividing devices, the flow dividing devices are vertically symmetrically arranged in the air inlet pipeline along the center of the flow guide plate, the flow dividing devices are a plurality of uniformly distributed and dense flow dividing holes of 10mm-30mm, the air flow in the air inlet pipeline is still in a turbulent state, the air flow needs to be buffered, and the air flow passes through the flow dividing holes in the flow dividing plates, so that the flow speed of the air is reduced.
Further, the right end of the pipeline shell is connected with an expansion cylinder, the section of the expansion cylinder is in a horn shape, the expansion cylinder is connected to the right end of the pipeline shell through a bolt, the expansion part of the right end of the expansion cylinder is communicated with the exhaust pipe, the expansion cylinder is in a rectangular shape, and a hole in the horn shape is formed in the expansion cylinder.
Further, an adjusting device is arranged between the flow guiding device and the flow dividing device, the adjusting device is arranged symmetrically up and down along the partition plate, the adjusting device comprises a transverse hole groove, a vertical hole and a rubber film, the left end of the transverse hole groove is communicated with the flow guiding plate, the right end of the transverse hole groove penetrates through the right end of the pipeline shell, threads are arranged in the right end of the transverse hole groove, the threads occupy 1/4 of the transverse hole groove, a bolt connected with the expansion cylinder is meshed with the threads in the transverse hole groove, the vertical hole is communicated with one side of the transverse hole groove, the vertical hole extends to the partition plate, the rubber film is connected to the end part of the vertical hole through the bolt, the two ends of the rubber film are connected with the side wall of the vertical hole, when the air flow pressure passing through the adjusting device is larger than the air flow pressure passing through the flow guiding plate to the flow dividing plate, the air flow can enter the vertical hole through the transverse hole, the rubber film expands towards the partition plate under the influence of the air flow, and the air flow enters the flow dividing plate; the structure of adjusting device is similar to venturi's structure, because front end pressure is strong than the rear end pressure, consequently the deflection of film is different to adjust the homogeneity of air current, set up the screw thread at the right-hand member of horizontal hole groove simultaneously, can avoid punching at the right-hand member of pipeline casing, strengthened pleasing to the eye, also can fix the section of thick bamboo that expands simultaneously.
Drawings
FIG. 1 is a schematic diagram of the present invention;
FIG. 2 is an enlarged schematic view of the area (A) of FIG. 1 according to the present invention;
FIG. 3 is an enlarged schematic view of the area (B) of FIG. 1 according to the present invention.
Detailed Description
The following is a further detailed description of the embodiments:
reference numerals in the drawings of the specification include:
the air guide device comprises a pipeline shell 1, an air guide chamber 2, an exhaust chamber 3, a dust removal plate 4, an air guide fan 5, a shell 5-1, a motor 5-2, fan blades 5-3, a limiting block 5-4, a guide plate 6-1, an air inlet pipeline 7, a flow distribution plate 8, a flow distribution hole 8-1, an expanding barrel 9, a transverse hole groove 10, a vertical hole 10-1, a rubber film 10-2 and a partition plate 11.
Embodiment one is substantially as shown in fig. 1:
a ventilating duct uniform air outlet device is shown in a figure 1, the arrow direction in the figure 1 is the airflow flowing direction, the ventilating duct uniform air outlet device comprises a duct shell 1, an air guide chamber 2 and an exhaust chamber 3, the duct shell 1 is rectangular, the left end of the duct shell 1 is communicated with an air inlet, the right end of the duct shell 1 is communicated with an exhaust pipe, the air guide chamber 2 and the exhaust chamber 3 are arranged in the duct shell 1, the air guide chamber 2 is communicated with the exhaust chamber 3, a dust removal plate 4 and a flow guide device are arranged in the air guide chamber 2, the dust removal plate 4 is fixed at the front section of the air guide chamber 2 through bolts, the flow guide device comprises an air guide fan 5 and a flow guide plate 6, a limiting block 5-4 is arranged in the middle of the air guide chamber 2, the limiting block 5-4 is fixed on the inner wall of the duct shell 1, the limiting block 5-4 is symmetrically arranged along the central axis of the duct shell 1, the air guide fan 5 is fixed between the left and right adjacent limiting blocks 5-4, the air guide fan 5-4 is limited and fixed in the air guide chamber 2, the air guide fan 5 comprises a shell 5-1, a motor 5-2 and a 5-3, the motor 5-3 can rotate, the motor 5-3 can drive the fan blade 5-3 to rotate, and the fan blade 2 is driven by the motor 5-3 to rotate, and the air guide blade 2 and the fan 2; the rear section of the air guide chamber 2 is provided with a guide plate 6, the guide plate 6 is fastened and fixed at the rear section of the air guide chamber 2, the guide plate 6 is rectangular, a plurality of guide plates 6-1 are arranged in the guide plate 6, the guide plates 6-1 are symmetrically arranged up and down along the central plane of the guide plate 6, the guide plates 6-1 are arc-shaped plates, a group of opposite guide plates 6-1 are approximately bowl-shaped, the guide plate 6 guides air flow from the air guide chamber 2 to the exhaust chamber 3, an air inlet pipeline 7 is arranged at the air inlet position at the left end of the exhaust chamber 3, a partition plate 11 is arranged in the center of the air inlet pipeline 7, the air inlet pipeline 7 is arranged into two channels which are vertically symmetrical, the air flow passing through the guide plates 6 is separated, the rear sections in the upper and lower air inlet pipelines 7 are provided with a splitter plate 8, the splitter plate 8 is provided with a plurality of splitter holes with the diameters of 20mm, the splitter plate 8 is used for buffering the split air flow, the right end of a pipeline shell 1 is connected with an expansion cylinder 9 which is rectangular, the inside of the expansion cylinder 9 is provided with a horn-shaped shell 9, the expansion cylinder 9 is connected with the right end of the expansion cylinder 9 which is in a section of the expansion cylinder 9 which is in a shape of a bolt shape, and the expansion cylinder 9 is connected with the right end of the expansion cylinder 9 through the expansion cylinder.
Embodiment two:
as shown in fig. 3, an adjusting device is arranged between the deflector 6 and the deflector 8, the adjusting device is arranged vertically symmetrically along the baffle 11, the adjusting device comprises a plurality of transverse hole grooves 10, vertical holes 10-1 and rubber films 10-2, the transverse hole grooves 10 are arranged, the left ends of the transverse hole grooves 10 are communicated with the deflector 6, so that part of air flow passing through the deflector 6 enters the transverse hole grooves 10, the right ends of the transverse hole grooves 10 penetrate through the right end of the pipeline shell 1, threads are arranged in the right ends of the transverse hole grooves 10, the threads occupy 1/4 of the transverse hole grooves and are used for connecting the threads of the expansion cylinder 9 with the threads of the transverse hole grooves 10, the hole forming on the pipeline shell 1 is reduced, the bolt connected with the expanding cylinder 9 is meshed with the threads in the transverse hole groove 10, one side of the transverse hole groove 10 is communicated with a vertical hole 10-1, the vertical hole 10-1 extends towards the partition plate 11, the end part of the vertical hole 10-1 is connected with a rubber film 10-2 through the bolt, the edge of the rubber film 10-2 is adhered with the edge of the vertical hole 10-1, the purpose of sealing the vertical hole is achieved, when the pressure of air flow passing through the adjusting device is higher than that of the air flow passing through the guide plate 6 to the splitter plate 6, the air flow enters the vertical hole 10-1 through the transverse hole groove, and the rubber film 10-2 expands towards the partition plate under the influence of the air flow, so that the amount of the air flow entering the splitter plate 6 is reduced; the structure of the adjusting device is similar to that of the venturi tube, and since the front end pressure is stronger than the rear end pressure, the deformation amount of the rubber film 10-5 is different, thereby adjusting the uniformity degree of the air flow.
The specific implementation process is as follows:
the staff connects the left end of the pipeline shell 1 with the air inlet pipe, the right end of the pipeline shell 1 is connected with the air outlet pipe, under normal state, the air flow flows into the air guide chamber 2 from the air inlet, the air flow passes through the dust collecting plate 4, under the rotation of the air guide fan 5, the air flow is guided to the guide plate 6, the guide plate 6 and the guide vane 6-1 guide the air flow to the air inlet pipeline 7 in a concentrated way, the air inlet pipeline 7 divides the air flow into two parts, the divided air flow passes through the flow dividing hole 8-1 on the flow dividing plate 8, the air with high flow speed is slowed down and buffered, and the air flow is discharged from the air outlet pipe through the expansion cylinder 9; when the air flow of the air intake is large, the air flow passes through the dust removing plate, the air guide fan and the guide plate 6, meanwhile, due to the increase of the air flow, the pressure in the pipeline shell is increased, part of the air flow can enter the transverse hole groove and the vertical hole 10-1, the rubber film 10-2 can be enlarged, and the amount of the air flow entering the guide plate 6 is reduced; on the contrary, the pressure of the air flow can shrink the rubber film 10-2 towards the vertical hole 10-1, so that more air flow enters the flow dividing plate 8, thereby achieving the effect of adjusting the air flow and generating uniform distribution on the air flow.
The foregoing is merely exemplary embodiments of the present invention, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present invention, and these should also be considered as the scope of the present invention, which does not affect the effect of the implementation of the present invention and the utility of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (7)
1. The utility model provides a ventilation duct evenly goes out wind device which characterized in that: the air guide chamber is communicated with the exhaust chamber, a flow guiding device is placed in the air guide chamber, the flow guiding device guides air flow in the pipe casing, a flow splitting device is placed in the exhaust chamber, the flow splitting device splits the guided air flow, an adjusting device is arranged between the flow guiding device and the flow splitting device, the adjusting device is symmetrically arranged along the partition plate, the adjusting device comprises a transverse hole groove, a vertical hole and a rubber film, the left end of the transverse hole groove is communicated with a flow guiding plate, the right end of the transverse hole groove penetrates through the right end of the pipe casing, threads are arranged in the right end of the transverse hole groove, the threads occupy 1/4 of the transverse hole groove, a bolt connected with a spreading cylinder is meshed with the threads in the transverse hole groove, one side of the transverse hole groove is communicated with the vertical hole, the vertical hole extends to the partition plate, the end of the vertical hole is connected with the rubber film through the bolt, and the two ends of the rubber film are connected with the side walls of the vertical hole.
2. The uniform ventilation duct air-out device according to claim 1, wherein: a dust removing plate is arranged near the air inlet in the air guide chamber, and the two ends of the dust removing plate are fixed on the inner wall of the air guide chamber through bolts.
3. The uniform ventilation duct air-out device according to claim 1, wherein: the air guide device comprises an air guide fan, the air guide fan consists of a shell, a motor and fan blades, the motor can drive the fan blades to rotate, a limiting block is arranged at the rear part of the inner dust removal plate and fixedly connected to the inner wall of the air guide chamber, and the limiting block limits and fixes the air guide fan in the air guide chamber.
4. The uniform ventilation duct air-out device according to claim 1, wherein: the flow guiding device also comprises a flow guiding plate, the left and right sides of the flow guiding plate are in an opening shape, flow guiding plates are placed in the flow guiding plate and are arranged up and down symmetrically along the center of the flow guiding plate, the flow guiding plates are arc-shaped sheets, and a group of opposite flow guiding plates are in an approximate bowl shape.
5. The uniform ventilation duct air-out device according to claim 4, wherein: an air inlet pipeline is arranged at the rear of the guide plate, a partition plate is arranged at the center of the air inlet pipeline, and the partition plate is used for arranging the air inlet pipeline into two channels which are vertically symmetrical.
6. The uniform ventilation duct air-out device according to claim 5, wherein: the two air inlet pipelines are internally provided with a flow dividing device respectively, the flow dividing device is vertically symmetrically arranged in the two air inlet pipelines along the center of the guide plate, and the flow dividing device is a plurality of uniformly distributed and densely distributed flow dividing plates consisting of 10mm-30mm flow dividing holes.
7. The uniform ventilation duct air-out device according to claim 1, wherein: the right end of the pipeline shell is connected with an expansion cylinder, the section of the expansion cylinder is in a horn shape, the expansion cylinder is connected to the right end of the pipeline shell through a bolt, and the expansion part of the right end of the expansion cylinder is communicated with the exhaust pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210322782.5A CN114484674B (en) | 2022-03-29 | 2022-03-29 | Uniform air outlet device of ventilating duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210322782.5A CN114484674B (en) | 2022-03-29 | 2022-03-29 | Uniform air outlet device of ventilating duct |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114484674A CN114484674A (en) | 2022-05-13 |
| CN114484674B true CN114484674B (en) | 2024-04-09 |
Family
ID=81488978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210322782.5A Active CN114484674B (en) | 2022-03-29 | 2022-03-29 | Uniform air outlet device of ventilating duct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114484674B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116351184B (en) * | 2023-03-07 | 2024-07-19 | 华基环保(武汉)有限公司 | Dust remover for filter material processing workshop and control method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1405506A (en) * | 2001-08-16 | 2003-03-26 | 米歇尔·扎涅弗斯基 | Air-flow automatic regulating device for place ventilation |
| CN203797894U (en) * | 2014-05-04 | 2014-08-27 | 吴喜平 | Uniform air supplying and returning device of long air pipe |
| JP2015183866A (en) * | 2014-03-20 | 2015-10-22 | フジモリ産業株式会社 | flexible duct |
| CN205980158U (en) * | 2016-08-30 | 2017-02-22 | 北京赛易科信息技术有限公司 | Circulating ventilation system |
| CN207501395U (en) * | 2017-11-02 | 2018-06-15 | 西安建筑科技大学 | A kind of open air blocking type under-floor air distribution air-conditioning air-supply arrangement |
| CN211781845U (en) * | 2020-04-05 | 2020-10-27 | 徐伟雄 | 360 rotating-structure's air ducting |
| CN113137737A (en) * | 2021-02-08 | 2021-07-20 | 西安建筑科技大学 | Ventilating duct |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107202415B (en) * | 2016-03-17 | 2019-07-19 | 倚世节能科技（上海）有限公司 | A kind of current-stabilizing structure and the ventilation equipment using the current-stabilizing structure |
-
2022
- 2022-03-29 CN CN202210322782.5A patent/CN114484674B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1405506A (en) * | 2001-08-16 | 2003-03-26 | 米歇尔·扎涅弗斯基 | Air-flow automatic regulating device for place ventilation |
| JP2015183866A (en) * | 2014-03-20 | 2015-10-22 | フジモリ産業株式会社 | flexible duct |
| CN203797894U (en) * | 2014-05-04 | 2014-08-27 | 吴喜平 | Uniform air supplying and returning device of long air pipe |
| CN205980158U (en) * | 2016-08-30 | 2017-02-22 | 北京赛易科信息技术有限公司 | Circulating ventilation system |
| CN207501395U (en) * | 2017-11-02 | 2018-06-15 | 西安建筑科技大学 | A kind of open air blocking type under-floor air distribution air-conditioning air-supply arrangement |
| CN211781845U (en) * | 2020-04-05 | 2020-10-27 | 徐伟雄 | 360 rotating-structure's air ducting |
| CN113137737A (en) * | 2021-02-08 | 2021-07-20 | 西安建筑科技大学 | Ventilating duct |
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| Publication number | Publication date |
|---|---|
| CN114484674A (en) | 2022-05-13 |
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