CN112556082A - Intelligent air curtain - Google Patents
Intelligent air curtain Download PDFInfo
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- CN112556082A CN112556082A CN202011338864.6A CN202011338864A CN112556082A CN 112556082 A CN112556082 A CN 112556082A CN 202011338864 A CN202011338864 A CN 202011338864A CN 112556082 A CN112556082 A CN 112556082A
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- air curtain
- wind
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- speed
- air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F9/00—Use of air currents for screening, e.g. air curtains
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/30—Velocity
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- 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)
- Curtains And Furnishings For Windows Or Doors (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
Abstract
The invention provides an air curtain, which comprises an air curtain body and an electric control main board arranged on the air curtain body; the electric control main board comprises a distance measuring module, a control processing module and a micro/rough adjusting module which are electrically connected with each other; the distance measurement module is used for measuring the installation height of the air curtain; the control processing module is used for distributing a target wind speed V to the air curtain according to the height of the air curtain, adjusting the wind speed of the air curtain to the target wind speed V, setting the target wind speed V as a middle wind gear, and constructing a plurality of preset floating interval wind gears according to the middle wind gear, wherein the plurality of wind gears comprise a breeze gear, a wind gear, a strong wind gear and a strong wind gear, and the wind speed of the middle wind gear is greater than that of the wind gear and is less than that of the strong wind gear; the micro/coarse adjustment module is used for selecting a corresponding preset gear difference value K according to the height, and carrying out micro/coarse adjustment on the current air curtain air speed according to the gear difference value K so that the air speed of the air curtain can reach the air speed required by a use scene, and the technical problem that the existing air curtain is complex in model due to the fact that the existing air curtain is matched with various scenes and the installation height is solved.
Description
Technical Field
The invention relates to the technical field of air curtains, in particular to an intelligent air curtain.
Background
The conventional air curtain production method is to match the corresponding air outlet speed and air volume according to the rated installation height, and increase or decrease one to a plurality of gears on the basis of the rated air speed and air volume to match different requirements. However, in practical use, aiming at different heights, different use environments, different models and different requirements on wind speed and wind volume, a plurality of models are derived, and the models of the air curtains are overlapped and staggered with each other, so that the problem that the models of the air curtains on the market are complicated is caused, and therefore, an air curtain with high compatibility on scenes and installation height is needed to be arranged.
Disclosure of Invention
The invention aims to provide an intelligent air curtain matched with various scenes and various installation heights, and solves the technical problem that the existing air curtain is complex in model due to the fact that the existing air curtain is matched with various scenes and installation heights.
An intelligent air curtain comprises an air curtain body and an electric control main board arranged on the air curtain body; the electric control main board comprises a distance measuring module, a control processing module and a micro/coarse adjusting module which are electrically connected with each other; the distance measurement module is used for measuring the installation height of the air curtain; the control processing module is used for allocating a target wind speed V to the air curtain according to the height of the air curtain, adjusting the wind speed of the air curtain to the target wind speed V, setting the target wind speed V as a middle wind gear, and constructing a plurality of preset wind gears at floating intervals according to the middle wind gear, wherein the plurality of wind gears comprise a breeze gear, a wind gear, a strong wind gear and a strong wind gear, and the wind speed of the middle wind gear is greater than that of the wind gear and is less than that of the strong wind gear; and the micro/rough adjustment module is used for selecting a corresponding preset gear difference value K according to the height and carrying out micro/rough adjustment on the current air curtain speed according to the gear difference value K so as to enable the air curtain speed to reach the air speed required by a use scene.
Preferably, adjusting the wind speed of the air curtain comprises adjusting a motor of a wind turbine; and the quantitative relation between the target wind speed V and the motor rotating speed is V ═ d ^ pi ^ n ^ A/1000 ^ 60, wherein d is the diameter of the wind wheel, n is the rotating speed of the wind wheel motor, and A is a correction coefficient.
Preferably, the value range of the correction coefficient A is 1.1-1.4.
Preferably, the air curtain using scene comprises a supermarket, a restaurant department store and a processing plant.
Preferably, when the mounting height of the air curtain of the supermarket is 2-3 m, the target wind speed V is 11-12 m/s.
Preferably, the gear difference K that the air curtain mounting height is less than or equal to 2.5 meters is less than the gear difference K that the air curtain mounting height is greater than 2.5 meters.
Preferably, the control processing module comprises a fine tuning sub-module; the fine tuning submodule is provided with a '+' key and a '-' key and is used for fine tuning the wind speed of the air curtain.
Preferably, the intelligent air curtain further comprises a human body induction sensor, and the air curtain is opened and closed according to the approach and departure of people.
Preferably, the air curtain is closed after the person leaves, with a delay according to a preset delay time.
Preferably, the air curtain further comprises an external door magnet control or a remote control, and the external door magnet control or the remote control is used for controlling the opening and closing of the air curtain and the wind speed.
Compared with the prior art, the invention has the following beneficial effects: the air curtain mounting height is measured through the ranging module, the air curtain mounting height is obtained, then the target air speed V is determined through the control processing module according to the mounting height, then the air speed of the air curtain at the moment is adjusted to the air curtain air speed V, fine adjustment or coarse adjustment is selected according to the height value, the air speed is adjusted to the actual required air speed of a scene, when the fine adjustment module or the coarse adjustment module cannot meet the air speed requirement, the air damper of the air curtain can be adjusted, the air damper of the air curtain is adjusted to a proper gear, matching of the air speed of the air curtain according to the mounting height and a use scene is achieved, the air curtain can be suitable for the conditions of various scenes and various mounting heights, and the technical problem that the type of an existing air curtain is complex due to the fact that the air curtain is matched with various scenes and the mounting heights is.
Drawings
FIG. 1 is an exploded view of an intelligent air curtain of the present invention;
FIG. 2 is a control relationship diagram of the intelligent air modules according to the present invention.
Wherein the reference numerals are:
1. a cover plate of the air inlet surface; 2. an electric control cover plate; 3. a signal receiver; 4. an air curtain housing assembly; 5. a stepless motor wind wheel component; 6. a motor fastener; 7. a motor frame; 8. an electric control main board; 9. an electronic control mounting base plate; 10. a human body induction sensor; 11. and a distance measuring sensor.
Detailed Description
The embodiments described below are only a part of the embodiments of the present invention, and not all of them. 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.
An embodiment of the present invention provides an intelligent air curtain, please refer to fig. 1 and fig. 2.
An intelligent air curtain comprises an air curtain body and an electric control main board arranged on the air curtain body; the electric control main board 8 comprises a distance measuring module, a control processing module and a micro/coarse adjusting module which are electrically connected with each other; the distance measurement module is used for measuring the installation height of the air curtain; the control processing module is used for allocating a target wind speed V to the air curtain according to the height of the air curtain, adjusting the wind speed of the air curtain to the target wind speed V, setting the target wind speed V as a middle wind gear, and constructing a plurality of preset wind gears at floating intervals according to the middle wind gear, wherein the plurality of wind gears comprise a breeze gear, a wind gear, a strong wind gear and a strong wind gear, and the wind speed of the middle wind gear is greater than that of the wind gear and is less than that of the strong wind gear; and the micro/rough adjustment module is used for selecting a corresponding preset gear difference value K according to the height and carrying out micro/rough adjustment on the current air curtain speed according to the gear difference value K so as to enable the air curtain speed to reach the air speed required by a use scene. The sizes of the air outlets of the air curtains in the embodiment are consistent, so that the air output Q can be linearly matched by adjusting the rotating speed and the air speed.
Referring to fig. 1, the air curtain body includes an air curtain housing, an air inlet cover plate 1, and a motor wind wheel assembly disposed in the air curtain housing assembly, the motor wind wheel assembly includes a motor, a wind wheel, a motor frame 7 and a motor fastener 6, an electric control main board 8 is disposed on the air curtain, the electric control main board 8 is further wrapped with an electric control board assembly, the electric control board assembly includes an electric control board cover and a mounting lower board, the mounting floor is fixed on the air curtain housing assembly 4, and the electric control cover plate 2 wraps the electric control main board 8 and then is fixed with an electric control mounting bottom plate 9; the human body induction sensor 10 and the distance measuring sensor 11 are both arranged at the air outlet of the air curtain; and the fan shell is also fixedly provided with a signal receiver 3 which is used as a wireless remote controller and a remote controller signal receiver 3 for receiving control signals and transmitting the control signals to the electric control mainboard 8 for executing control commands.
When the target wind speed V is obtained according to the measured height, then the adjusting mode of the wind speed gear difference K is determined according to the height value, and a fine adjusting mode or a coarse adjusting mode is selected, for example, the installation height is 2m, the installation height is low, fine adjustment is required by people according to the wind speed adjusting, and the gear difference K is required to be as small as possible. When the installation height is higher, for example, the installation height is 5-6m, the wind speed adjustment requirement is roughly adjusted, and the gear difference value K is increased by a proper amount.
Further, the air speed adjusting system of the air curtain may be multi-purpose in adjusting the air speed such that a plurality of air curtains are in the same control state, for example, the control system of the air curtain controls the first, second and third air curtains, when the height of the air curtain is 2.5 m, and the current target air speed V is determined to be 1.8m/s, the air speed of the middle stage is determined to be 1.8m/s, and the air speeds of the micro, and wind stages, the strong stage and the stiff stage are 1.4m/s, 1.6m/s, 2.0m/s and 2.2m/s, respectively, assuming that the air speed interval between the stages is 0.5m/s, the air speed adjusting system of the air curtain adjusts the air speeds of the first, second and third air curtains to the wind stage, that is, the air speeds of the first, second and third air curtains are adjusted to 1.8m/s, and then, finely adjusting the wind speeds of the three air curtains through the micro/rough adjusting module and the gear difference K so that the wind speeds of the three air curtains are more in line with the actual requirement, wherein the installation height at the moment is lower, and the gear difference can be set to be +/-0.1 m/s by selecting fine adjustment. The above examples of the wind speed value are only to illustrate a specific control process, and as for how many specific values of the wind speed are, those skilled in the art perform corresponding settings according to actual requirements, which is not limited herein. In addition, the wind speed value V described in this specification is the wind speed at the air curtain outlet.
It should be noted that the distance measurement module may be implemented by infrared distance measurement, ultrasonic distance measurement, millimeter wave radar distance measurement, and the like, and the specifically adopted distance measurement mode is not specifically limited in this embodiment, and those skilled in the art may select the distance measurement mode accordingly as needed.
Furthermore, as for the relation between the value of the target wind speed V and the height, after debugging, the target wind speed V is considered to be 12m/s when the installation height is 2.5 m in various use scenes; the target wind speed V should be 14m/s when the installation height is 3 m, 16m/s when the installation height is 3.5 m, and 20m/s when the installation height is 4 m.
Specifically, adjusting the air speed of the air curtain includes adjustment of a motor of a wind turbine; and the quantitative relation between the target wind speed V and the motor rotating speed is V ═ d ^ pi ^ n ^ A/1000 ^ 60, wherein d is the diameter of the wind wheel, n is the rotating speed of the wind wheel motor, and A is a correction coefficient. Specifically, the value range of the correction coefficient a is 1.1-1.4.
Specifically, the air curtain using scenes comprise supermarkets, restaurant department stores and processing plants, the most suitable target wind speeds V are different for different using scenes, and the using scenes can also comprise cafeteria bread shops, warehouses, fast food restaurant waiting rooms, restaurant shopping malls, department stores, stadiums, large supermarket parking lots, subway entrances and exits, electronic factories, museums, playground large kitchens, food processing plants and the like.
Specifically, when the mounting height of the air curtain of the supermarket is 2-3 m, the target wind speed V is 11-12 m/s.
Specifically, the gear difference K that the air curtain mounting height is less than or equal to 2.5 meters is less than the gear difference K that the air curtain mounting height is greater than 2.5 meters.
Specifically, the control processing module comprises a fine tuning submodule; specifically, in general, there are specific reference values for the target wind speeds V corresponding to the air curtains at different heights, and refer to fig. 2 in particular. However, when special requirements are required in some special occasions, the air curtain air speed adjusting system can adjust the gear under the condition of general air speed so as to adapt to different requirements.
The fine-tuning submodule is provided with a plus key and a minus key, the fine-tuning submodule is used for fine-tuning the wind speed of the air curtain, the controller on the control system can be used for directly and rapidly switching different wind speed gears, under the condition that preset wind speed gears still cannot meet requirements, the fine-tuning submodule can be used for fine-tuning the current wind speed through the plus key and the minus key on the fine-tuning submodule, and the fine-tuned minimum rotating speed adjusting value R is positively correlated with the height value H. Namely, the smaller the used height H is, the smaller the required wind speed is, the more accurate the wind speed adjustment is, the smaller the range is. The wind speed requirement is larger when the used height H is larger, and the wind speed adjustment value is in a larger range in a bolder mode.
Specifically, the intelligent air curtain further comprises a human body induction sensor 10, the air curtain is opened and closed according to the approaching and leaving of a person, after the person leaves, the air curtain is closed according to a preset delay time delay, the delay time can be freely set, for example, the delay time is set to 10s, and after the person leaves the air curtain for 10s, the air curtain is automatically closed.
Specifically, the air curtain further comprises an external door magnet control or a remote control, and the external door magnet control or the remote control is used for controlling the opening and closing of the air curtain and the wind speed.
In this embodiment, after the air curtain installation height is measured by the distance measurement module 11, the air curtain installation height is obtained, then the target wind speed V is determined by the control processing module according to the installation height, then the wind speed of the air curtain at this time is adjusted to the air curtain wind speed V, fine adjustment or coarse adjustment is selected according to the height value, the wind speed is adjusted to the actual required wind speed of the scene, when the fine adjustment module or the coarse adjustment module still cannot meet the wind speed requirement, the wind gear of the air curtain can be adjusted, the wind gear of the air curtain is adjusted to a proper gear, thereby realizing matching of the air curtain wind speed according to the installation height and the use scene, realizing that the air curtain can be suitable for various scenes and various installation heights, and solving the technical problem that the existing air curtain is complicated in model due to matching of various scenes and installation heights.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention.
Claims (10)
1. An intelligent air curtain is characterized by comprising an air curtain body and an electric control main board arranged on the air curtain body;
the electric control main board comprises a distance measuring module, a control processing module and a micro/coarse adjusting module which are electrically connected with each other;
the distance measurement module is used for measuring the installation height of the air curtain;
the control processing module is used for allocating a target wind speed V to the air curtain according to the height of the air curtain, adjusting the wind speed of the air curtain to the target wind speed V, setting the target wind speed V as a middle wind gear, and constructing a plurality of preset wind gears at floating intervals according to the middle wind gear, wherein the plurality of wind gears comprise a breeze gear, a wind gear, a strong wind gear and a strong wind gear, and the wind speed of the middle wind gear is greater than that of the wind gear and is less than that of the strong wind gear;
and the micro/rough adjustment module is used for selecting a corresponding preset gear difference value K according to the height and carrying out micro/rough adjustment on the current air curtain speed according to the gear difference value K so as to enable the air curtain speed to reach the air speed required by a use scene.
2. The intelligent air curtain of claim 1, wherein adjusting the air curtain speed is primarily directed to adjusting the speed of a motor directly driven by the wind wheel;
and the quantitative relation between the target wind speed V and the motor rotating speed is V ═ d ^ pi ^ n ^ A/1000 ^ 60, wherein d is the diameter of the wind wheel, n is the rotating speed of the wind wheel motor, and A is a correction coefficient.
3. The intelligent air curtain of claim 2, wherein the correction factor a has a value in the range of 1.1-1.4.
4. The intelligent air curtain of claim 1, wherein the air curtain usage scenarios comprise supermarkets, restaurant department stores, and processing plants.
5. The intelligent air curtain of claim 4, wherein the target wind speed V is 11-12 m/s when the supermarket air curtain is installed at a height of 2-3 m.
6. The intelligent air curtain of claim 1, wherein the air curtain mounting height is less than or equal to a gear difference K of 2.5 meters less than the air curtain mounting height is greater than the gear difference K of 2.5 meters.
7. The intelligent air curtain of claim 1, wherein the control processing module includes a fine tuning sub-module;
the fine tuning submodule is provided with a '+' key and a '-' key and is used for fine tuning the wind speed of the air curtain.
8. The intelligent air curtain of claim 1, further comprising a body-sensory sensor for opening and closing the air curtain in response to the approach and departure of a person.
9. The intelligent air curtain of claim 8 wherein the air curtain is closed after the person leaves according to a preset delay time delay.
10. The intelligent air curtain of claim 1, further comprising an external door magnet control or a remote control for controlling the opening and closing of the air curtain and the wind speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011338864.6A CN112556082B (en) | 2020-11-25 | 2020-11-25 | Intelligent air curtain |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011338864.6A CN112556082B (en) | 2020-11-25 | 2020-11-25 | Intelligent air curtain |
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| CN112556082A true CN112556082A (en) | 2021-03-26 |
| CN112556082B CN112556082B (en) | 2022-07-26 |
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| CN202011338864.6A Active CN112556082B (en) | 2020-11-25 | 2020-11-25 | Intelligent air curtain |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113520859A (en) * | 2021-07-03 | 2021-10-22 | 左点实业（湖北）有限公司 | Intensity adjusting method and device |
| CN116753606A (en) * | 2023-08-21 | 2023-09-15 | 佛山市南海南洋电机电器有限公司 | Control method, device, system and medium of air curtain machine |
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| CN111811102A (en) * | 2020-08-14 | 2020-10-23 | 中国铁路设计集团有限公司 | Intelligent air curtain system |
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| EP1462730A1 (en) * | 2003-03-25 | 2004-09-29 | Kampmann GmbH | Device for creating an air curtain |
| KR20050104674A (en) * | 2004-04-29 | 2005-11-03 | 엘지전자 주식회사 | Air conditioner with air curtain function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113520859A (en) * | 2021-07-03 | 2021-10-22 | 左点实业（湖北）有限公司 | Intensity adjusting method and device |
| CN116753606A (en) * | 2023-08-21 | 2023-09-15 | 佛山市南海南洋电机电器有限公司 | Control method, device, system and medium of air curtain machine |
| CN116753606B (en) * | 2023-08-21 | 2023-11-14 | 佛山市南海南洋电机电器有限公司 | Control method, device, system and medium of air curtain machine |
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