CN115559929A - Air volume and air pressure adjusting device and method based on ventilator - Google Patents
Air volume and air pressure adjusting device and method based on ventilator Download PDFInfo
- Publication number
- CN115559929A CN115559929A CN202211504496.7A CN202211504496A CN115559929A CN 115559929 A CN115559929 A CN 115559929A CN 202211504496 A CN202211504496 A CN 202211504496A CN 115559929 A CN115559929 A CN 115559929A
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- Prior art keywords
- air
- ventilator
- air outlet
- adjusting
- pivoting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/002—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying geometry within the pumps, e.g. by adjusting vanes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/02—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal
- F04D17/04—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal of transverse-flow type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/46—Fluid-guiding means, e.g. diffusers adjustable
- F04D29/462—Fluid-guiding means, e.g. diffusers adjustable especially adapted for elastic fluid pumps
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses an air quantity and air pressure adjusting device based on a ventilator, the ventilator comprises a shell (1), an impeller (2), an air inlet (3), an air outlet (4), an air outlet adjusting device (6), a variable frequency motor and a controller, wherein the air inlet is vertically arranged, the air outlet is horizontally arranged, and the air outlet adjusting device is arranged in the air outlet, and the ventilator is characterized in that: the air outlet adjusting device comprises a first flat plate (61), a second flat plate (62), a pivoting adjusting shaft (63) and a first translation structure (64), wherein the first flat plate and the second flat plate are arranged in parallel, two ends of the first flat plate and the second flat plate in the length direction are respectively connected through a vertical plate, the vertical plate is connected with the pivoting adjusting shaft, and the pivoting adjusting shaft is connected with a driving mechanism; the pivotal adjustment shaft is linearly movable relative to the first translation structure. The invention can adjust the air volume and the air pressure of the ventilator according to the actual temperature condition of the transformer, has large adjusting range of the air volume and the air pressure and high adjusting performance of the ventilator, and reduces the power consumption of the low-pass ventilator under the condition of ensuring the heat dissipation effect.
Description
Technical Field
The invention relates to the technical field of ventilators, in particular to a device and a method for adjusting air volume and air pressure based on a ventilator.
Background
As shown in fig. 1, an existing ventilator (cross flow fan) includes a casing, an impeller, an air inlet, an air outlet, a tongue, an air outlet adjusting device, a variable frequency motor, and a controller, wherein the impeller is disposed in an installation cavity of the casing, the impeller is connected to the variable frequency motor, the air inlet and the air outlet are disposed on two sides of the casing, the air inlet is disposed vertically, the air outlet is disposed horizontally, the tongue is disposed between the air outlet and the air inlet, the air outlet adjusting device is disposed in the air outlet, and the air outlet adjusting device includes a plurality of rotatable guide vanes. However, the existing air outlet adjusting device has the problems that the air volume and the air pressure of the ventilator cannot be adjusted according to the actual temperature condition of the transformer, the adjusting ranges of the air volume and the air pressure are narrow, and the adjusting performance of the ventilator is low.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides an air volume and air pressure adjusting device and method based on a ventilator.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides an amount of wind, wind pressure adjusting device based on ventilation blower, the ventilation blower includes casing (1), impeller (2), air intake (3), air outlet (4), tongue (5), air-out adjusting device (6), inverter motor, a controller, be provided with the impeller in the installation cavity of casing, the impeller is connected with inverter motor, the both sides of casing are provided with air intake, air outlet respectively, vertical setting is followed to the air intake, the air outlet sets up along the horizontal direction, be provided with the tongue between air outlet and the air intake, be provided with air-out adjusting device in the air outlet, its characterized in that: the air outlet adjusting device (6) comprises a first flat plate (61), a second flat plate (62) and a pivoting adjusting shaft (63), wherein the first flat plate and the second flat plate are arranged in parallel, two ends of the length direction of the first flat plate are connected through vertical plates respectively, the vertical plates are connected with the pivoting adjusting shaft, the pivoting adjusting shaft is connected with a driving mechanism, the driving mechanism is installed on the side wall of the shell, the axis of the pivoting adjusting shaft is parallel to the axis of the impeller, and the air outlet adjusting device can swing by a preset angle around the pivoting adjusting shaft under the driving of the driving mechanism, so that the air outlet volume and the air pressure of the ventilator are adjusted.
Further, the air outlet adjusting device (6) comprises a first translation structure (64) which is arranged along the horizontal direction, the pivoting adjusting shaft (63) can linearly move relative to the first translation structure, and the air outlet adjusting device can linearly move along the horizontal direction under the driving of the driving mechanism, so that the air outlet amount and the air pressure of the ventilator can be adjusted.
Furthermore, the air outlet adjusting device (6) further comprises a second translation structure (65), the second translation structure is arranged along the vertical direction, the pivoting adjusting shaft (63) can linearly move relative to the second translation structure, and the air outlet adjusting device can linearly move along the vertical direction under the driving of the driving mechanism, so that the air outlet quantity and the air pressure of the ventilator can be adjusted.
Furthermore, the first translation structure (64) and the second translation structure (65) are vertically arranged, a T-shaped structure is formed between the first translation structure and the second translation structure, and the first translation structure and the second translation structure are arranged on the side wall of the shell.
Furthermore, a first inclined plane and a horizontal plane are arranged on the lower side of the air outlet (4), a second inclined plane and an arc-shaped plane are arranged on the left side of the air inlet (3), the first inclined plane, the horizontal plane, the arc-shaped plane and the second inclined plane are sequentially connected, and a tongue portion (5) is arranged on the arc-shaped plane.
Further, the ventilator is a crossflow blower.
An adjusting method of an air volume and air pressure adjusting device based on a ventilator comprises the following steps:
(a) The controller receives the first temperature signal, and the driving mechanism drives the pivoting adjusting shaft (63) to rotate, so that the air outlet adjusting device (6) swings for a preset angle around the pivoting adjusting shaft to adjust the first air outlet volume and the first air pressure of the ventilator;
(b) The controller receives the second temperature signal, the driving mechanism drives the pivoting adjusting shaft (63) to linearly move relative to the second translation structure (65) and drives the pivoting adjusting shaft to rotate, so that the air outlet adjusting device (6) swings around the pivoting adjusting shaft by a preset angle to adjust second air outlet volume and air pressure of the ventilator;
(c) And after the controller receives the third temperature signal, the driving mechanism drives the pivoting adjusting shaft (63) to linearly move to the middle position of the second translation structure relative to the second translation structure (65) and then linearly move relative to the first translation structure (64), and drives the pivoting adjusting shaft to rotate, so that the air outlet adjusting device (6) swings for a preset angle around the pivoting adjusting shaft, and the third air outlet volume and the third air pressure of the ventilator are adjusted.
Further, when the pivoting adjusting shaft (63) moves linearly relative to the second translation structure (65), the angle adjustment of the pivoting adjusting shaft is performed at the positions of both ends of the second translation structure, or the angle adjustment of the pivoting adjusting shaft can be performed while the pivoting adjusting shaft (63) moves linearly.
Further, when the pivoting adjustment shaft (63) moves linearly relative to the first translating structure (64), the angle adjustment of the pivoting adjustment shaft is performed at both end positions of the first translating structure, or the angle adjustment of the pivoting adjustment shaft can be performed while the pivoting adjustment shaft (63) moves linearly.
According to the air volume and air pressure adjusting device and method based on the ventilator, the air volume and the air pressure of the ventilator can be adjusted according to the actual temperature condition of the transformer through the design of the air outlet adjusting device (the air outlet adjusting device comprises the pivoting adjusting shaft, the first translation structure and the second translation mechanism), the air volume and the air pressure adjusting range is wide, the adjusting performance of the ventilator is high, and the power consumption of the ventilator is reduced under the condition that the heat dissipation effect is ensured.
Drawings
FIG. 1 is a schematic view of a prior art ventilator/crossflow blower configuration;
FIG. 2 is a schematic view of a ventilator/crossflow blower configuration of the present invention;
FIG. 3 is a schematic view of the ventilator/crossflow blower of the present invention in two adjustment states;
FIG. 4 is a schematic view of a ventilator/crossflow blower configuration of the present invention;
figure 5 is a schematic view of the ventilator/crossflow blower of the present invention in two adjustment states.
In the figure: the air conditioner comprises a shell 1, an impeller 2, an air inlet 3, an air outlet 4, a tongue portion 5, an air outlet adjusting device 6, a first flat plate 61, a second flat plate 62, a pivoting adjusting shaft 63, a first translation structure 64 and a second translation mechanism 65.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 2-5, an amount of wind based on ventilation blower, wind pressure adjusting device, the ventilation blower includes casing 1, impeller 2, air intake 3, air outlet 4, tongue 5, air-out adjusting device 6, inverter motor, a controller, be provided with impeller 2 in casing 1's the installation cavity, impeller 2 is connected with inverter motor, the both sides of casing 1 are provided with air intake 3 respectively, air outlet 4, air intake 3 sets up along vertical (Y to), air outlet 4 sets up along horizontal direction (X to), be provided with tongue 5 between air outlet 4 and the air intake 3, be provided with air-out adjusting device 6 in the air outlet 4, its characterized in that: the air outlet adjusting device 6 comprises a first flat plate 61, a second flat plate 62 and a pivoting adjusting shaft 63, the first flat plate 61 and the second flat plate 62 are arranged in parallel, two ends of the first flat plate 61 and the second flat plate 62 are connected through a vertical plate respectively, the vertical plate is connected with the pivoting adjusting shaft 63, the pivoting adjusting shaft 63 is connected with a driving mechanism, the driving mechanism is installed on the side wall of the shell 1, the axis of the pivoting adjusting shaft 63 is parallel to the axis of the impeller 2, and under the driving of the driving mechanism, the air outlet adjusting device 6 can swing around the pivoting adjusting shaft 63 by a preset angle, so that the air outlet volume and the air pressure of the ventilator are adjusted.
Further, the air outlet adjusting device 6 includes a first translation structure 64, the first translation structure 64 is disposed along the horizontal direction (X direction), the pivot adjusting shaft 63 is linearly movable relative to the first translation structure 64, and the air outlet adjusting device 6 is linearly movable along the horizontal direction under the driving of the driving mechanism, so as to adjust the air outlet volume and the air pressure of the ventilator.
Further, the air outlet adjusting device 6 further includes a second translation structure 65, the second translation structure 65 is disposed along the vertical direction (Y direction), the pivoting adjusting shaft 63 is linearly movable relative to the second translation structure 65, and the air outlet adjusting device 6 is linearly movable along the vertical direction under the driving of the driving mechanism, so as to adjust the air outlet volume and the air pressure of the ventilator.
Further, the first translation structure 64 and the second translation structure 65 are vertically disposed, a "T" shape is formed between the first translation structure 64 and the second translation structure 65, and the first translation structure 64 and the second translation structure 65 are disposed on the side wall of the housing 1.
The lower side of the air outlet 4 is provided with a first inclined plane and a horizontal plane, the left side of the air inlet 3 is provided with a second inclined plane and an arc-shaped plane, the first inclined plane, the horizontal plane, the arc-shaped plane and the second inclined plane are sequentially connected, and a tongue portion 5 is arranged at the arc-shaped plane.
The ventilator is a cross flow fan.
An adjusting method of an air volume and air pressure adjusting device based on a ventilator comprises the following steps:
(a) When the controller receives the first temperature signal, the driving mechanism drives the pivoting adjusting shaft 63 to rotate, so that the air outlet adjusting device 6 swings around the pivoting adjusting shaft 63 by a preset angle to adjust the first air outlet volume and the first air pressure of the ventilator;
(b) When the controller receives the second temperature signal, the driving mechanism drives the pivoting adjusting shaft 63 to move linearly relative to the second translation structure 65 and drives the pivoting adjusting shaft 63 to rotate, so that the air outlet adjusting device 6 swings around the pivoting adjusting shaft 63 by a preset angle to adjust a second air outlet volume and air pressure of the ventilator;
(c) After the controller receives the third temperature signal, the driving mechanism drives the pivoting adjusting shaft 63 to linearly move relative to the second translation structure 65 to the middle position of the second translation structure 65, and then linearly move relative to the first translation structure 64, and drives the pivoting adjusting shaft 63 to rotate, so that the air outlet adjusting device 6 swings by a preset angle around the pivoting adjusting shaft 63, and the third air outlet volume and the third air pressure of the ventilator are adjusted.
Further, when the pivot adjusting shaft 63 linearly moves with respect to the second translation structure 65, the angle adjustment of the pivot adjusting shaft 63 is performed at both end positions of the second translation structure 65, or the angle adjustment of the pivot adjusting shaft 63 may be performed while the pivot adjusting shaft 63 linearly moves.
Further, when the pivot adjusting shaft 63 linearly moves with respect to the first translation structure 64, the angle adjustment of the pivot adjusting shaft 63 is performed at both end positions of the first translation structure 64, or the angle adjustment of the pivot adjusting shaft 63 may be performed while the pivot adjusting shaft 63 linearly moves.
According to the air volume and air pressure adjusting device and method based on the ventilator, through the design of the air outlet adjusting device 6 (the air outlet adjusting device 6 comprises the pivoting adjusting shaft 63, the first translation structure 64 and the second translation mechanism 65), the air volume and the air pressure of the ventilator can be adjusted according to the actual temperature condition of a transformer, the air volume and air pressure adjusting range is wide, the adjusting performance of the ventilator is high, and the power consumption of the low-pass ventilator is reduced under the condition that the heat dissipation effect is ensured.
The above-described embodiments are illustrative of the present invention and not restrictive, it being understood that various changes, modifications, substitutions and alterations can be made herein without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims (9)
1. The utility model provides an amount of wind, wind pressure adjusting device based on ventilation blower, the ventilation blower includes casing (1), impeller (2), air intake (3), air outlet (4), tongue (5), air-out adjusting device (6), inverter motor, a controller, be provided with the impeller in the installation cavity of casing, the impeller is connected with inverter motor, the both sides of casing are provided with the air intake respectively, the air outlet, vertical setting is followed to the air intake, the air outlet sets up along the horizontal direction, be provided with the tongue between air outlet and the air intake, be provided with air-out adjusting device in the air outlet, its characterized in that: the air outlet adjusting device (6) comprises a first flat plate (61), a second flat plate (62) and a pivoting adjusting shaft (63), the first flat plate and the second flat plate are arranged in parallel, two ends of the length direction of the first flat plate are connected through a vertical plate respectively, the vertical plate is connected with the pivoting adjusting shaft, the pivoting adjusting shaft is connected with a driving mechanism, the driving mechanism is installed on the side wall of the shell, the axis of the pivoting adjusting shaft is parallel to the axis of the impeller, and the air outlet adjusting device can swing by a preset angle around the pivoting adjusting shaft under the driving of the driving mechanism, so that the air outlet volume and the air pressure of the ventilator are adjusted.
2. An air volume and pressure adjusting device for ventilator-based air volume and pressure, as claimed in claim 1, wherein the outlet air adjusting device (6) comprises a first translational structure (64) disposed along a horizontal direction, and the pivotal adjusting shaft (63) is linearly movable relative to the first translational structure, and is driven by the driving mechanism to linearly move along the horizontal direction, so as to adjust the outlet air volume and pressure of the ventilator.
3. The ventilator-based air volume and pressure adjusting apparatus according to claim 2, wherein the outlet air adjusting apparatus (6) further comprises a second translation structure (65), the second translation structure is disposed along a vertical direction, the pivotal adjusting shaft (63) is linearly movable relative to the second translation structure, and the outlet air adjusting apparatus is driven by the driving mechanism to linearly move along the vertical direction, so as to adjust the outlet air volume and pressure of the ventilator.
4. A ventilator-based air volume and pressure adjusting apparatus according to claim 3, wherein the first translation structure (64) and the second translation structure (65) are vertically disposed, and form a T shape therebetween, and the first translation structure and the second translation structure are disposed on the side wall of the housing.
5. The ventilator-based air volume and pressure adjusting apparatus according to claim 4, wherein the lower side of the air outlet (4) is provided with a first inclined surface and a horizontal surface, the left side of the air inlet (3) is provided with a second inclined surface and an arc-shaped surface, the first inclined surface, the horizontal surface, the arc-shaped surface and the second inclined surface are sequentially connected, and the arc-shaped surface is provided with a tongue portion (5).
6. The ventilator-based air volume and pressure adjusting apparatus according to claim 5, wherein the ventilator is a cross flow fan.
7. A method for adjusting an airflow/wind pressure adjusting apparatus based on a ventilator, comprising the airflow/wind pressure adjusting apparatus based on a ventilator according to claim 3 or 4, comprising:
(a) The controller receives the first temperature signal, and the driving mechanism drives the pivoting adjusting shaft (63) to rotate, so that the air outlet adjusting device (6) swings for a preset angle around the pivoting adjusting shaft to adjust the first air outlet volume and the first air pressure of the ventilator;
(b) The controller receives the second temperature signal, the driving mechanism drives the pivoting adjusting shaft (63) to linearly move relative to the second translation structure (65) and drives the pivoting adjusting shaft to rotate, so that the air outlet adjusting device (6) swings around the pivoting adjusting shaft by a preset angle to adjust second air outlet volume and air pressure of the ventilator;
(c) And after the controller receives the third temperature signal, the driving mechanism drives the pivoting adjusting shaft (63) to linearly move to the middle position of the second translation structure relative to the second translation structure (65) and then linearly move relative to the first translation structure (64), and drives the pivoting adjusting shaft to rotate, so that the air outlet adjusting device (6) swings for a preset angle around the pivoting adjusting shaft, and the third air outlet volume and the third air pressure of the ventilator are adjusted.
8. An adjustment method according to claim 7, characterized in that the angular adjustment of the pivotal adjustment shaft is carried out at both end positions of the second translatory structure (65) while the pivotal adjustment shaft (63) is linearly displaced in relation to the second translatory structure; or the angle adjustment of the pivotal adjusting shaft can be performed while the pivotal adjusting shaft (63) is linearly moved.
9. An adjustment method according to claim 8, characterized in that the angular adjustment of the pivotal adjustment shaft (63) is carried out at both end positions of the first translatory structure while the pivotal adjustment shaft is linearly moved relative to the first translatory structure (64); or the angle adjustment of the pivotal adjusting shaft can be performed while the pivotal adjusting shaft (63) is linearly moved.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211504496.7A CN115559929A (en) | 2022-11-29 | 2022-11-29 | Air volume and air pressure adjusting device and method based on ventilator |
| PCT/CN2023/108895 WO2024113902A1 (en) | 2022-11-29 | 2023-07-24 | Ventilator-based air volume and air pressure regulation device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211504496.7A CN115559929A (en) | 2022-11-29 | 2022-11-29 | Air volume and air pressure adjusting device and method based on ventilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115559929A true CN115559929A (en) | 2023-01-03 |
Family
ID=84770714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211504496.7A Pending CN115559929A (en) | 2022-11-29 | 2022-11-29 | Air volume and air pressure adjusting device and method based on ventilator |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN115559929A (en) |
| WO (1) | WO2024113902A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024113902A1 (en) * | 2022-11-29 | 2024-06-06 | 江西昊仁电力设备有限公司 | Ventilator-based air volume and air pressure regulation device and method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1022470B1 (en) * | 1999-01-20 | 2004-10-13 | PUNKER GmbH & CO. | Radial fan |
| DE102009033773A1 (en) * | 2009-07-17 | 2011-01-20 | Behr Gmbh & Co. Kg | Radial fan housing |
| CN102042237A (en) * | 2009-10-14 | 2011-05-04 | 鸿富锦精密工业（深圳）有限公司 | Blower |
| US8591167B2 (en) * | 2010-04-08 | 2013-11-26 | International Business Machines Corporation | Airflow from a blower with one or more adjustable guide vanes that are affixed to the blower at one or more pivot points located in an outlet of the blower |
| CN106246583B (en) * | 2016-08-19 | 2018-03-13 | 宁波方太厨具有限公司 | A kind of centrifugal blower and its flow control methods |
| US10732681B2 (en) * | 2018-07-26 | 2020-08-04 | Microsoft Technology Licensing, Llc | Adaptive airflow guides in an electronic device |
| CN115559929A (en) * | 2022-11-29 | 2023-01-03 | 江西昊仁电力设备有限公司 | Air volume and air pressure adjusting device and method based on ventilator |
-
2022
- 2022-11-29 CN CN202211504496.7A patent/CN115559929A/en active Pending
-
2023
- 2023-07-24 WO PCT/CN2023/108895 patent/WO2024113902A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024113902A1 (en) * | 2022-11-29 | 2024-06-06 | 江西昊仁电力设备有限公司 | Ventilator-based air volume and air pressure regulation device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024113902A1 (en) | 2024-06-06 |
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