CN114876829A - Strip-shaped box-shaped fan lamp and working method thereof - Google Patents
Strip-shaped box-shaped fan lamp and working method thereof Download PDFInfo
- Publication number
- CN114876829A CN114876829A CN202210402797.2A CN202210402797A CN114876829A CN 114876829 A CN114876829 A CN 114876829A CN 202210402797 A CN202210402797 A CN 202210402797A CN 114876829 A CN114876829 A CN 114876829A
- Authority
- CN
- China
- Prior art keywords
- shaped
- fan lamp
- air
- fan
- box
- 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
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- 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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
-
- 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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
-
- 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
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
-
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/667—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by influencing the flow pattern, e.g. suppression of turbulence
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
- F21V33/0088—Ventilating systems
- F21V33/0096—Fans, e.g. ceiling fans
-
- 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
Abstract
The invention discloses a strip-shaped box-shaped fan lamp and a working method thereof, the strip-shaped box-shaped fan lamp comprises a hollow suspension rod, a strip-shaped lamp, a fan lamp top shell, a fan lamp bottom shell, a centrifugal fan arranged between the fan lamp top shell and the fan lamp bottom shell, two longitudinal air deflectors and two transverse air deflectors.
Description
Technical Field
The invention relates to the field of fan lamps, in particular to a strip-shaped box-shaped fan lamp and a working method thereof.
Background
At present, fan lamps generally have the problems of being too small in blowing area and uncomfortable due to direct blowing of wind to human bodies, so that the requirement of people on the comfort of indoor environment cannot be met. Therefore, designing a fan lamp which can increase the blowing area and make the unit area uniformly wind will have great significance for improving the indoor environment.
As people have higher and higher air quality requirements for indoor environments, fan lamps are widely used in different places, such as meeting rooms, restaurants, study rooms, bedrooms, living rooms, and places with dense persons. The fan lamp is an electric appliance product capable of realizing illumination and adjusting indoor air flow, and has the effect of two functions in one. Although the air conditioner can realize the functions of cooling and ventilation, the air conditioning air often causes people to feel uncomfortable, especially when the temperature changes greatly in seasons and in the morning and evening. The fan lamp can be used as auxiliary equipment of an air conditioner, the using efficiency of the air conditioner can be improved, and meanwhile, the fan lamp can be independently used for improving the comfort level of the indoor environment. At present, fan lamps in domestic and foreign markets generally have the problem of small air volume, so that the ideal air blowing range and air blowing depth cannot be achieved. In addition, the human body can feel that the wind speed is 0.2-0.3m/s, the blowing-out wind of the fan lamp in the current market is too small and cannot be felt remotely, or the wind with large wind volume directly blows to the human body, so that the use feeling of the fan lamp is reduced.
In addition, the special requirements of the fan lamp include the specific shape and appearance, such as the elongated box-shaped fan lamp studied by the present invention. This kind of rectangular shape box-like fan lamp is different from the more common circular fan lamp in the existing market, and it not only is the rectangular shape box-like structure in appearance, still requires all to have comparatively ideal effect and the homogeneity of blowing around rectangular shape box-like fan lamp. These requirements certainly place considerable demands on the structural design and the air flow direction of the elongate box-shaped fan lamp.
Through research in domestic and foreign markets, the fan lamp on the market at present can not meet the requirements of the strip box-shaped fan lamp on the shape, the blowing effect and the uniformity, and the invention well solves the problems.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide a strip box-shaped fan lamp which can break through the technical limitation of uniform air outlet of the traditional round fan lamp, realize uniform air outlet in the circumferential direction of the strip box-shaped fan lamp and uniform air collection below the strip box-shaped fan lamp, and has larger air blowing area and air blowing depth to obtain more comfortable human body wind speed.
The technical scheme is as follows: the invention relates to a strip box-shaped fan lamp, which comprises hollow suspension rods (3), a strip lamp (11), a fan lamp top shell (1), a fan lamp bottom shell (2), a centrifugal fan arranged between the fan lamp top shell (1) and the fan lamp bottom shell (2), two longitudinal air deflectors (4) and two transverse air deflectors (5), wherein the fan lamp top shell (1) and the fan lamp bottom shell (2) form the strip box-shaped fan lamp shell, the centrifugal fan is positioned in the middle of the strip box-shaped fan lamp shell, the air deflectors are positioned on the periphery of the strip box-shaped fan lamp shell, the two longitudinal air deflectors (4) are symmetrically arranged at the longitudinal end part inside the strip box-shaped fan lamp shell, the two transverse air deflectors (5) are symmetrically arranged at the transverse end part inside the strip box-shaped fan lamp shell, the two hollow suspension rods (3) are positioned in the longitudinal symmetrical plane outside the fan lamp top shell, the distance between each hollow suspension rod (3) and the nearest longitudinal end part of the fan lamp top shell (1) is about 3/11 of the longitudinal total length, the strip-shaped lamp (11) is positioned in the middle of the outer side of the fan lamp bottom shell, an air inlet grille (8) is arranged in the middle of the fan lamp top shell (1), and the air inlet grille (3) is opposite to the centrifugal fan;
centrifugal fan includes rim plate (12), motor (10) and centrifugal impeller, centrifugal impeller includes impeller blade (9) and wheel cap (6), wheel cap (6) are round platform side shape structure, wheel cap (6) generating line is 19.3 with the bottom surface contained angle, impeller blade (9) truncation is fixed in wheel cap (6) upper surface, impeller blade (9) are on a parallel with impeller axis direction, and along wheel cap (6) circumference evenly distributed, impeller blade (9) and wheel cap (6) all are located the outside of rim plate (12), motor (10) are located the below of rim plate (12), and install on fan lamp bottom casing (2), the interior periphery of wheel cap (6) is connected with the periphery of rim plate (12).
Preferably, the circular annular wheel band (7) on the air inlet side of the impeller is fixed in the middle of the radial width of the inclined plane at the upper end of the impeller blade (9).
Preferably, the fan lamp top shell (1) is of a curved surface structure, the longitudinal cross-sectional profile of the fan lamp top shell (1) is oval, the major axis of the oval is the longitudinal length of the fan lamp top shell (1), the transverse cross-sectional profile of the fan lamp top shell (1) is a horizontal straight line at the top, and the side edges of the horizontal straight line are curves which extend outwards and steeply downwards.
Preferably, the middle part of the fan lamp bottom shell (2) is a runway-shaped flat plate, wherein the runway-shaped flat plate is long and rectangular in the middle, the two ends of the runway-shaped flat plate are semicircles with the width of the rectangle in the middle as the diameter, the radius of the semicircles is 160mm, the periphery of the fan lamp bottom shell (2) is an outward expansion-shaped annular structure, the outward expansion-shaped annular structure is inscribed on the periphery of the runway-shaped flat plate, and the cross section profile of the outward expansion-shaped annular structure is a curve extending outwards and downwards.
Preferably, the upper end surface of the impeller blade (9) is divided into a horizontal plane and an inclined plane, the horizontal plane is perpendicular to the axial direction of the centrifugal impeller, an included angle of 19.3 degrees is formed between the inclined plane and the horizontal plane, the radial width of the inclined plane is 1/3 of the radial width of the impeller blade (9), and the radial width of the horizontal plane is 2/3 of the radial width of the impeller blade (9).
Preferably, the inlet mounting angle of the impeller blade (9) is 70 degrees, and the outlet mounting angle of the impeller blade (9) is 160 degrees; the maximum thickness of the impeller blades (9) is 6mm, and the number of the impeller blades (9) is 13.
Preferably, a circuit line for controlling the motor (10) is arranged in the inner cavity of the hollow suspension rod (3), is downwards fixed on the upper surface of the bottom shell (2) of the fan lamp along the height direction of the longitudinal air deflector (4), and is finally connected with the motor (10); the horizontal distance between the hollow suspension rod (3) and the nearest longitudinal end of the runway-shaped flat plate is 338 mm.
Preferably, the air inlet grille (8) is arranged in a circle which is 90% of the outer diameter of the centrifugal fan, and the maximum height between the air inlet grille (8) and the horizontal plane of the upper end face of the impeller blade (9) is 20 mm.
Preferably, the shaft end of the motor (10) is threaded and is connected with the wheel disc (12) through nut fastening.
Preferably, the groove-shaped air outlet (13) is a groove-shaped annular air outlet, wherein the width of the groove-shaped air outlet (13) is 2-5 mm.
Preferably, the longitudinal air deflectors (4) are obliquely arranged at two longitudinal ends of the elongated box-shaped fan lamp, an included angle between the longitudinal air deflectors (4) and a longitudinal symmetrical plane of the elongated box-shaped fan lamp is 20 degrees, the longitudinal air deflectors (4) are overlapped with a vertical line of the hollow suspension rod (3), and the horizontal distance between the initial section of the longitudinal air deflectors (4) close to the centrifugal impeller and the nearest longitudinal end of the runway-shaped flat plate is 463 mm; the longitudinal air deflector (4) extends outwards from the initial section to the groove-shaped air outlet (13).
Preferably, the transverse air deflectors (5) are obliquely arranged at the transverse two ends of the strip-shaped box-shaped fan lamp, the included angle between the transverse air deflectors (5) and the transverse symmetrical plane of the strip-shaped box-shaped fan lamp is 20 degrees, and the horizontal distance between the starting section of the transverse air deflectors (5) close to the centrifugal impeller and the longitudinal symmetrical plane is 252 mm; the transverse air deflector (5) extends outwards from the initial section to the groove-shaped air outlet (13).
A working method of a strip-shaped box-shaped fan lamp is characterized in that: the method specifically comprises the following steps:
s1: the air enters the shell of the long-strip box-shaped fan lamp consisting of the top shell (1) and the bottom shell (2) of the fan lamp through the air inlet grille (8) and flows into the space between the blades (9) of the centrifugal fan impeller facing the air inlet grille (8);
s2: the space around the shell of the strip box-shaped fan lamp is divided into 4 equant centrifugal fan air outlet flow channels by two longitudinal air deflectors (4) and two transverse air deflectors (5), and a centrifugal impeller rotates and accelerates inflowing air to guide the air to the periphery into the nearest equant centrifugal fan air outlet flow channel;
s3: the volume of the gas in the air outlet flow channel of the equant centrifugal fan is enlarged, and the gas flows out from the air outlet flow channel of the equant centrifugal fan after speed reduction and pressurization;
s4: the air is blown out from the air outlet flow channel of the equal division centrifugal fan through the narrow groove-shaped air outlet (13) in a pressure reduction and speed increase mode, and the effects of large air blowing area and large air blowing depth are achieved.
Has the advantages that:
(1) the air flow field inside the elongated box-shaped fan lamp is divided into four equal air outlet flow fields by the two inclined longitudinal air deflectors and the two inclined transverse air deflectors, so that the elongated box-shaped fan lamp can realize circumferential uniform air outlet by combining the characteristics of a centrifugal fan, and the technical limit of uniform air outlet of the traditional circular fan lamp is broken through;
(2) the reasonable arrangement of the flow guiding effect of the internal airflow flow area can ensure that the airflow flowing out of the centrifugal impeller can smoothly enter the nearest air outlet flow channel, so that the interference and blocking effect among the airflows inside the fan lamp are reduced to the minimum;
(3) the longitudinal length of the traditional long-strip box-shaped fan lamp is larger than the diameter of the traditional circular fan lamp, so that structural conditions are provided for enlarging the wind receiving area below the fan lamp, but the transverse length of the long-strip box-shaped fan lamp is smaller than the transverse length of the traditional circular fan lamp, and the transverse wind receiving area is reduced, but the effect of the transverse wind outlet area is greatly improved by using the circumferential radiation wind outlet characteristic and the circumferential uniform flow guiding effect of the centrifugal fan in the application of the long-strip box-shaped fan lamp, so that the difference between the transverse wind outlet effect and the longitudinal wind outlet effect brought by the long-strip structure can be effectively solved; experimental research shows that the lowest wind speed of 0.2m/s is within the range of the depth of 1.6m and the diameter of 4m below the strip-shaped box-shaped fan lamp, so that a human body feels comfortable when being windy.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a schematic view of the structure of the impeller of the present invention;
FIG. 3 is a transverse cross-sectional view of the present invention;
FIG. 4 is a longitudinal cross-sectional view of the present invention;
FIG. 5 is a view of a vane plate arrangement of the present invention;
FIG. 6 is a top perspective view of the present invention;
FIG. 7 is a schematic view of the vane guide plate of the present invention;
FIG. 8 is a side plan view of the present invention;
FIG. 9 is a side bottom view of the present invention;
fig. 10 is a graph of the 1/4 lumen airflow profile of the present invention.
The fan lamp comprises a fan lamp top shell 1, a fan lamp bottom shell 2, a hollow suspension rod 3, a longitudinal air deflector 4, a transverse air deflector 5, a wheel cover 6, an impeller air inlet side annular wheel hoop 7, an air inlet grille 8, an impeller blade 9, a motor 10, a strip lamp 11, a wheel disc 12 and a groove-shaped air outlet 13.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
referring to fig. 1, 2, 3 and 4, the elongated box-shaped fan lamp of the present invention comprises a hollow suspension rod 3, a strip-shaped lamp 11, a fan lamp top case 1, a fan lamp bottom case 2, a centrifugal fan disposed between the fan lamp top case 1 and the fan lamp bottom case 2, two longitudinal wind deflectors 4 and two transverse wind deflectors 5, wherein the fan lamp top case 1 and the fan lamp bottom case 2 constitute the elongated box-shaped fan lamp case, the centrifugal fan is located at the middle portion of the elongated box-shaped fan lamp case, the wind deflectors are located at the periphery of the elongated box-shaped fan lamp case, wherein the two longitudinal wind deflectors 4 are symmetrically arranged at the longitudinal end portions inside the elongated box-shaped fan lamp case, the two transverse wind deflectors 5 are symmetrically arranged at the transverse end portions inside the elongated box-shaped fan lamp case, the two hollow suspension rods 3 are located in the longitudinal symmetrical plane outside the elongated box-shaped fan lamp top case, and the distance between every hollow suspension rod 3 and the nearest longitudinal end of the fan lamp top shell 1 is about 3/11 of the longitudinal total length, the strip-shaped lamp 11 is positioned in the middle of the outer side of the fan lamp bottom shell, the middle of the fan lamp top shell 1 is provided with the air inlet grille 8, and the air inlet grille 3 is right opposite to the centrifugal fan. Centrifugal fan includes rim plate 12, motor 10 and centrifugal impeller, centrifugal impeller includes impeller blade 9 and wheel cap 6, wheel cap 6 is round platform side shape structure, the 6 generating line of wheel cap is 19.3 with the bottom surface contained angle, impeller blade 9 truncation is fixed in the 6 upper surfaces of wheel cap, impeller blade 9 is on a parallel with the impeller axis direction, and along 6 circumference evenly distributed of wheel cap, impeller blade 9 and wheel cap 6 all are located the outside of rim plate 12, motor 10 is located the below of rim plate 12, and install on fan lamp bottom casing 2, the inner periphery of wheel cap 6 is connected with the periphery of rim plate 12.
The invention also comprises an impeller air inlet side annular wheel hoop 7, and the impeller air inlet side annular wheel hoop 7 is fixed in the middle of the radial width of the upper end inclined plane of the impeller blade 9.
Referring to fig. 4, the fan lamp top case 1 has a curved surface structure, the longitudinal cross-sectional profile of the fan lamp top case 1 is an ellipse, the major axis of the ellipse is the longitudinal length of the fan lamp top case 1, the transverse cross-sectional profile of the fan lamp top case 1 is a horizontal straight line at the top, and the sides are outward and steeply downwardly extending curves.
Referring to fig. 5, the middle of the fan lamp bottom housing 2 is a "racetrack-shaped" flat plate, wherein the "racetrack-shaped" is a long rectangular plate with a long rectangular center and two semicircular ends with a rectangular center width and a diameter of 160mm, the periphery of the fan lamp bottom housing 2 is an "outward expansion-shaped" annular structure, and the "outward expansion-shaped" annular structure is inscribed on the periphery of the "racetrack-shaped" flat plate, and the cross-sectional profile of the "outward expansion-shaped" annular structure is a curve extending outward and downward.
Referring to fig. 2 and 3, the upper end surface of the impeller blade 9 is divided into a horizontal surface and an inclined surface, the horizontal surface is perpendicular to the axial direction of the centrifugal impeller, an included angle of 19.3 is formed between the inclined surface and the horizontal surface, the radial width of the inclined surface is 1/3 of the radial width of the impeller blade 9, and the radial width of the horizontal surface is 2/3 of the radial width of the impeller blade 9.
The inlet mounting angle of the impeller blade 9 is 70 degrees, and the outlet mounting angle of the impeller blade 9 is 160 degrees; the maximum thickness of the impeller blades 9 is 6mm, and the number of the impeller blades 9 is 13.
Referring to fig. 8 and 9, the inner cavity of the hollow suspension rod 3 can be provided with a circuit line for controlling the motor 10, the circuit line is downward along the height direction of the longitudinal air deflector 4 and is fixedly arranged on the upper surface of the bottom shell 2 of the fan lamp and is finally connected with the motor 10; the horizontal distance between the hollow suspension bar 3 and the nearest longitudinal end of the above-mentioned "racetrack" plate is 338 mm.
Referring to fig. 6 and 8, the air-inlet grille 8 is arranged within a 90% circle of the outer diameter of the centrifugal fan, and the maximum height between the air-inlet grille 8 and the horizontal plane of the upper end surface of the above-mentioned impeller blade 9 is 20 mm.
The shaft end of the motor 10 is threaded and is connected to the wheel disc 12 by a nut.
Referring to fig. 3 and 6, the groove-shaped air outlet 13 is a groove-shaped annular air outlet, wherein the width of the groove-shaped air outlet 13 is 2-5 mm.
Referring to fig. 5, 6 and 7, the longitudinal wind deflectors 4 are obliquely arranged at the two longitudinal ends of the elongated box-shaped fan lamp, the included angle between the longitudinal wind deflector 4 and the longitudinal symmetrical plane of the elongated box-shaped fan lamp is 20 degrees, the longitudinal wind deflector 4 is coincided with the vertical line of the hollow suspension rod 3, and the horizontal distance between the starting section of the longitudinal wind deflector 4 close to the centrifugal impeller and the nearest longitudinal end of the runway-shaped flat plate is 463 mm; the longitudinal air deflector 4 extends outwards from the initial section to the groove-shaped air outlet 13.
The transverse air deflectors 5 are obliquely arranged at the transverse two ends of the strip-shaped box-shaped fan lamp, the included angle between the transverse air deflectors 5 and the transverse symmetrical plane of the strip-shaped box-shaped fan lamp is 20 degrees, and the horizontal distance between the starting section of the transverse air deflectors 5 close to the centrifugal impeller and the longitudinal symmetrical plane is 252 mm; the transverse air deflector 5 extends outwards from the initial section to the groove-shaped air outlet 13.
Referring to fig. 6 and 10, the method of operating the elongated box-shaped fan lamp according to the present invention includes the steps of:
s1: the air enters the shell of the long-strip box-shaped fan lamp consisting of the top shell (1) and the bottom shell (2) of the fan lamp through the air inlet grille (8) and flows into the space between the blades (9) of the centrifugal fan impeller facing the air inlet grille (8);
s2: the space around the shell of the strip box-shaped fan lamp is divided into 4 equant centrifugal fan air outlet flow channels by two longitudinal air deflectors (4) and two transverse air deflectors (5), and the centrifugal impeller rotates and accelerates the inflowing air to guide the air to the periphery into the nearest equant centrifugal fan air outlet flow channel;
s3: the volume of the gas in the air outlet flow channel of the equant centrifugal fan is enlarged, and the gas flows out of the air outlet flow channel of the equant centrifugal fan after being decelerated and pressurized;
s4: the air is blown out from the air outlet flow channel of the equal division centrifugal fan through the narrow groove-shaped air outlet (13) in a pressure reduction and speed increase mode, and the effects of large air blowing area and large air blowing depth are achieved.
In addition, the longitudinal air deflector and the transverse air deflector are obliquely arranged, so that the air flow flowing out of the centrifugal impeller can smoothly enter the nearest air outlet flow channel; through experimental measurement, the wind speed of the lowest 0.2m/s is within the range of the depth of 1.6m below the strip-shaped box-shaped fan lamp and the diameter of 4m, and the wind speed is higher the closer the fan lamp is.
The fan lamp can effectively meet the requirements of the fan lamp with the strip-shaped box-shaped structure on shape, blowing effect and uniformity, adopts the centrifugal fan as an element for applying work to air flow, and divides the space on the periphery in the shell of the fan lamp with the strip-shaped box-shaped structure into 4 equal flow areas through the two longitudinal air deflectors and the two transverse air deflectors so as to achieve the purpose of dividing the flow area on the periphery in the shell of the fan lamp with the strip-shaped box-shaped structure into 4 equal flow channels for the centrifugal fan, namely, the lateral air outlet form of the traditional centrifugal fan is converted into the radiation air outlet form towards the periphery, and the difference between the transverse air outlet effect and the longitudinal air outlet effect brought by the strip-shaped structure is solved, so that the uniform air outlet in the circumferential direction of the fan lamp with the strip-shaped box-shaped structure is realized, and the technical limitation of uniform air outlet of the traditional circular fan lamp is broken through.
In the application, after gas flows out from the impeller blades, the gas flows into the nearest air outlet flow channel in the 4 equal flow domains along the outlet flow direction on average, the reasonable arrangement can ensure that the gas flow flowing out from the centrifugal impeller can smoothly enter the nearest air outlet flow channel, the interference and blocking effects between the gas flows inside the fan lamp are reduced to the minimum, the gas firstly passes through the volume expansion process in any air outlet flow channel, thereby the speed reduction and pressurization effects are realized, then the gas is reduced and accelerated to blow out through the narrow groove-shaped air outlet, and the purposes of increasing the blowing area and the blowing depth are achieved.
The longitudinal length of the traditional long-strip box-shaped fan lamp is larger than the diameter of the traditional circular fan lamp, so that structural conditions are provided for enlarging the wind receiving area below the fan lamp, but the transverse length of the long-strip box-shaped fan lamp is smaller than that of the traditional circular fan lamp, and the transverse wind receiving area is reduced, but the effect of the transverse wind outlet area is greatly improved by using the circumferential radiation wind outlet characteristic and the circumferential uniform flow guiding effect of the centrifugal fan in the long-strip box-shaped fan lamp, so that the difference between the transverse wind outlet effect and the longitudinal wind outlet effect brought by the long-strip structure can be effectively solved; experimental research shows that the lowest wind speed of 0.2m/s is within the range of the depth of 1.6m and the diameter of 4m below the strip-shaped box-shaped fan lamp, so that a human body feels comfortable when being windy.
Claims (13)
1. A rectangular shape box-shaped fan lamp is characterized in that: the fan lamp comprises hollow suspension rods (3), a strip-shaped lamp (11), a fan lamp top shell (1), a fan lamp bottom shell (2), a centrifugal fan arranged between the fan lamp top shell (1) and the fan lamp bottom shell (2), two longitudinal air deflectors (4) and two transverse air deflectors (5), wherein the fan lamp top shell (1) and the fan lamp bottom shell (2) form a long-strip box-shaped fan lamp shell, the centrifugal fan is positioned in the middle of the long-strip box-shaped fan lamp shell, the air deflectors are positioned on the periphery of the long-strip box-shaped fan lamp shell, the two longitudinal air deflectors (4) are symmetrically arranged at the longitudinal end part inside the long-strip box-shaped fan lamp shell, the two transverse air deflectors (5) are symmetrically arranged at the transverse end part inside the long-strip box-shaped fan lamp shell, and the two hollow suspension rods (3) are positioned in the longitudinal symmetrical plane outside the fan lamp top shell, the distance between each hollow suspension rod (3) and the nearest longitudinal end part of the fan lamp top shell (1) is about 3/11 of the longitudinal total length, the strip-shaped lamp (11) is positioned in the middle of the outer side of the fan lamp bottom shell, an air inlet grille (8) is arranged in the middle of the fan lamp top shell (1), and the air inlet grille (3) is opposite to the centrifugal fan;
centrifugal fan includes rim plate (12), motor (10) and centrifugal impeller, centrifugal impeller includes impeller blade (9) and wheel cap (6), wheel cap (6) are round platform side shape structure, wheel cap (6) generating line is 19.3 with the bottom surface contained angle, impeller blade (9) truncation is fixed in wheel cap (6) upper surface, impeller blade (9) are on a parallel with impeller axis direction, and along wheel cap (6) circumference evenly distributed, impeller blade (9) and wheel cap (6) all are located the outside of rim plate (12), motor (10) are located the below of rim plate (12), and install on fan lamp bottom casing (2), the interior periphery of wheel cap (6) is connected with the periphery of rim plate (12).
2. The elongated box-shaped fan lamp according to claim 1, wherein: the impeller air inlet side circular ring-shaped wheel band (7) is fixed in the middle of the radial width of the inclined plane at the upper end of the impeller blade (9).
3. The elongated box-shaped fan lamp according to claim 1, wherein: the fan lamp top shell (1) is of a curved surface structure, the longitudinal cross section profile of the fan lamp top shell (1) is oval, the long axis of the oval is the longitudinal length of the fan lamp top shell (1), the transverse cross section profile of the fan lamp top shell (1) is a horizontal straight line at the top, and the side edges of the horizontal straight line are outward and steep downward extending curves.
4. The elongated box-shaped fan lamp according to claim 1, wherein: the middle part of the fan lamp bottom shell (2) is a runway-shaped flat plate, wherein the runway shape is a long rectangle in the middle, the two ends of the runway shape are semicircles with the width of the rectangle in the middle as the diameter, the radius of the semicircles is 160mm, the periphery of the fan lamp bottom shell (2) is an outward expansion shape annular structure, the outward expansion shape annular structure is internally connected with the periphery of the runway-shaped flat plate, and the cross section outline of the outward expansion shape annular structure is a curve extending outwards and downwards.
5. The elongated box-shaped fan lamp according to claim 1, wherein: the upper end surface of the impeller blade (9) is divided into a horizontal plane and an inclined plane, the horizontal plane is perpendicular to the axial direction of the centrifugal impeller, an included angle of 19.3 degrees is formed between the inclined plane and the horizontal plane, the radial width of the inclined plane is 1/3 of the radial width of the impeller blade (9), and the radial width of the horizontal plane is 2/3 of the radial width of the impeller blade (9).
6. The elongated box-shaped fan lamp according to claim 1, wherein: the inlet mounting angle of the impeller blade (9) is 70 degrees, and the outlet mounting angle of the impeller blade (9) is 160 degrees; the maximum thickness of the impeller blades (9) is 6mm, and the number of the impeller blades (9) is 13.
7. The elongated box-shaped fan lamp according to claim 1, wherein: a circuit line for controlling the motor (10) is arranged in the inner cavity of the hollow suspension rod (3), is downward along the height direction of the longitudinal air deflector (4), is fixedly arranged on the upper surface of the bottom shell (2) of the fan lamp and is finally connected with the motor (10); the horizontal distance between the hollow suspension rod (3) and the nearest longitudinal end of the runway-shaped flat plate is 338 mm.
8. The elongated box-shaped fan lamp according to claim 1, wherein: the air inlet grille (8) is arranged in a circle of 90% of the outer diameter of the centrifugal fan, and the maximum height between the air inlet grille (8) and the horizontal plane of the upper end face of the impeller blade (9) is 20 mm.
9. The elongated box-shaped fan lamp according to claim 1, wherein: the shaft end of the motor (10) is provided with threads and is connected with the wheel disc (12) through nut fastening.
10. The elongated box-shaped fan lamp according to claim 1, wherein: the groove-shaped air outlet (13) is a groove-shaped annular air outlet, wherein the width of the groove-shaped air outlet (13) is 2-5 mm.
11. The elongated box-shaped fan lamp according to claim 1, wherein: the longitudinal air deflectors (4) are obliquely arranged at the longitudinal two ends of the strip-shaped box-shaped fan lamp, the included angle between the longitudinal air deflectors (4) and the longitudinal symmetrical plane of the strip-shaped box-shaped fan lamp is 20 degrees, the longitudinal air deflectors (4) are overlapped with the vertical line of the hollow suspension rod (3), and the horizontal distance between the initial section of the longitudinal air deflectors (4) close to the centrifugal impeller and the nearest longitudinal end part of the runway-shaped flat plate is 463 mm; the longitudinal air deflector (4) extends outwards from the initial section to the groove-shaped air outlet (13).
12. The elongated box-shaped fan lamp according to claim 1, wherein: the transverse air deflectors (5) are obliquely arranged at the transverse two ends of the strip-shaped box-shaped fan lamp, the included angle between the transverse air deflectors (5) and the transverse symmetrical plane of the strip-shaped box-shaped fan lamp is 20 degrees, and the horizontal distance between the starting section of the transverse air deflectors (5) close to the centrifugal impeller and the longitudinal symmetrical plane is 252 mm; the transverse air deflector (5) extends outwards from the initial section to the groove-shaped air outlet (13).
13. A working method of a strip-shaped box-shaped fan lamp is characterized in that: the method specifically comprises the following steps:
s1: the air enters the shell of the long-strip box-shaped fan lamp consisting of the top shell (1) and the bottom shell (2) of the fan lamp through the air inlet grille (8) and flows into the space between the blades (9) of the centrifugal fan impeller facing the air inlet grille (8);
s2: the space around the shell of the strip box-shaped fan lamp is divided into 4 equant centrifugal fan air outlet flow channels by two longitudinal air deflectors (4) and two transverse air deflectors (5), and a centrifugal impeller rotates and accelerates inflowing air to guide the air to the periphery into the nearest equant centrifugal fan air outlet flow channel;
s3: the volume of the gas in the air outlet flow channel of the equant centrifugal fan is enlarged, and the gas flows out of the air outlet flow channel of the equant centrifugal fan after being decelerated and pressurized;
s4: the air is blown out from the air outlet flow channel of the equal division centrifugal fan through the narrow groove-shaped air outlet (13) in a pressure reduction and speed increase mode, and the effects of large air blowing area and large air blowing depth are achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210402797.2A CN114876829A (en) | 2022-04-18 | 2022-04-18 | Strip-shaped box-shaped fan lamp and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210402797.2A CN114876829A (en) | 2022-04-18 | 2022-04-18 | Strip-shaped box-shaped fan lamp and working method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114876829A true CN114876829A (en) | 2022-08-09 |
Family
ID=82669063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210402797.2A Pending CN114876829A (en) | 2022-04-18 | 2022-04-18 | Strip-shaped box-shaped fan lamp and working method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114876829A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1756908A (en) * | 2003-03-04 | 2006-04-05 | 施乐百有限公司 | Radial fan wheel, fan unit, and radial fan arrangement |
| CN104564743A (en) * | 2015-01-22 | 2015-04-29 | 天津大学 | Air returning type fan filter unit (FFU) below ceiling |
| DE102015226575A1 (en) * | 2015-12-22 | 2017-06-22 | Nicotra Gebhardt GmbH | fan means |
| CN209688795U (en) * | 2019-04-26 | 2019-11-26 | 佛山市清源科技有限公司 | A kind of LED lamp with built-in bladeless fan |
| CN210087579U (en) * | 2018-02-07 | 2020-02-18 | 创科（澳门离岸商业服务）有限公司 | Ceiling fan |
| CN212838463U (en) * | 2020-07-14 | 2021-03-30 | 青岛易来智能科技股份有限公司 | Fan lamp diffusion channel system and fan lamp with same |
| CN213334005U (en) * | 2020-10-10 | 2021-06-01 | 佛山市清源科技有限公司 | Bladeless fan lamp convenient for quickly replacing light source |
-
2022
- 2022-04-18 CN CN202210402797.2A patent/CN114876829A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1756908A (en) * | 2003-03-04 | 2006-04-05 | 施乐百有限公司 | Radial fan wheel, fan unit, and radial fan arrangement |
| CN104564743A (en) * | 2015-01-22 | 2015-04-29 | 天津大学 | Air returning type fan filter unit (FFU) below ceiling |
| DE102015226575A1 (en) * | 2015-12-22 | 2017-06-22 | Nicotra Gebhardt GmbH | fan means |
| CN210087579U (en) * | 2018-02-07 | 2020-02-18 | 创科（澳门离岸商业服务）有限公司 | Ceiling fan |
| CN209688795U (en) * | 2019-04-26 | 2019-11-26 | 佛山市清源科技有限公司 | A kind of LED lamp with built-in bladeless fan |
| CN212838463U (en) * | 2020-07-14 | 2021-03-30 | 青岛易来智能科技股份有限公司 | Fan lamp diffusion channel system and fan lamp with same |
| CN213334005U (en) * | 2020-10-10 | 2021-06-01 | 佛山市清源科技有限公司 | Bladeless fan lamp convenient for quickly replacing light source |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2893513Y (en) | Efficient noise-reducing flow-guiding ring | |
| CN105864899B (en) | Air conditioner indoor unit and air conditioner | |
| CN106855267A (en) | Vertical air-conditioner indoor unit | |
| CN202883485U (en) | Cross flow fan | |
| CN209053822U (en) | To counter-rotating fan | |
| CN208475464U (en) | Exhaust air flue structure and air conditioner | |
| CN206001661U (en) | Air-supply arrangement and air-conditioner | |
| CN104566636A (en) | Air duct machine and air conditioner provided with air duct machine | |
| CN102901197B (en) | Air outlet structure of air conditioner indoor unit | |
| CN205505332U (en) | Air conditioner indoor unit and air conditioner | |
| CN114876829A (en) | Strip-shaped box-shaped fan lamp and working method thereof | |
| CN207146855U (en) | The casing assembly and air processor of air processor | |
| CN206175317U (en) | Cross -flow fan | |
| CN108019847A (en) | Outlet housing and air-conditioner outdoor unit | |
| CN207393531U (en) | A kind of new Bladeless ceiling fan | |
| CN101025281A (en) | Outdoor unit for air conditioner | |
| CN105091085B (en) | A kind of air regulator | |
| CN209671244U (en) | A kind of orientation spiral stream guidance ceiling fan | |
| CN106351882A (en) | Cross flow fan with volute tongue structure | |
| CN204665474U (en) | A kind of dehumidifier of 360 degree of air exhausting structures | |
| CN106765572A (en) | A kind of wall hanging type air conditioner indoor unit | |
| CN206545974U (en) | Indoor apparatus of air conditioner | |
| CN208186764U (en) | A kind of high heat exchanger effectiveness negative pressure suction airflow circular form air outlet structure | |
| WO2021082143A1 (en) | Panel assembly of ceiling-mounted air conditioner and ceiling-mounted air conditioner having panel assembly | |
| CN207377829U (en) | A kind of multi-vortex ceiling fan |
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 |