CN1089884C - Blower - Google Patents
Blower Download PDFInfo
- Publication number
- CN1089884C CN1089884C CN 94104822 CN94104822A CN1089884C CN 1089884 C CN1089884 C CN 1089884C CN 94104822 CN94104822 CN 94104822 CN 94104822 A CN94104822 A CN 94104822A CN 1089884 C CN1089884 C CN 1089884C
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- Prior art keywords
- air
- exhaust outlet
- shell
- gas fan
- deflector
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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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
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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
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially adapted for elastic fluid pumps
- F04D29/545—Ducts
- F04D29/547—Ducts having a special shape in order to influence fluid flow
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
- F15D1/00—Influencing flow of fluids
- F15D1/08—Influencing flow of fluids of jets leaving an orifice
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- 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
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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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
In a housing with an inlet port 12 opened upward and an outlet port 17 opened downward, a plate having a plural number of bellmouths 13 is mounted on the side of each housing having the inlet port 12. The outlet port 17 is narrowed toward the center of the housing 11, thereby forming a small outlet port 18. A motor light 19 with a vane wheel 20 is located within the housing 11.
Description
The present invention relates to a kind of gas fan that is installed in building entrance and/or outlet port, the liquid gas fan is mainly used in the inside and the external heat that make building when building being carried out air cooling or heating isolates.
Figure 38 and 39 shows the traditional gas fan that is disclosed among the flat 5-106898 of unexamined Japanese Unexamined Patent Publication No.Hereinafter this device will be described.
Box-shaped air-supply body 5 is installed on (the house interior 3) inwall 4 in house 1.Air-supply body 5 comprises an exhaust outlet 7 that is positioned at the intake grill 6 on the side relative with installation side and is positioned at downside.In air-supply body 5, a motor 9 is housed.The motor 9 that is fixed with unidirectional cross blade 8 on it also send air to exhaust outlet 7 from intake grill 6 admission of airs forcibly.Some control panel 7a that flow to that are used to control the air-flow discharge directions are installed in exhaust outlet 7 places.These blades can rotate as rotating shaft with its upper end.
In the gas fan that so constitutes, motor 9 drives blades 8 rotations, so that suck air from intake grill 6, from exhaust outlet 7 air is sent, and has so just formed the air curtain that dangles at inlet/outlet 2 places in house downwards.
In gas fan, unidirectional horizontal blade 8 is used to send air.Air-flow is from exporting 7 when discharging, and air-flow is inhaled the volume ambient air also makes this air-flow expansion (as Figure 39).In the air curtain that forms of air-flow by expansion, heat-insulating capability has been lowered, and the effective heat insulation height of the air curtain of going into/exporting 2 places in house 1 or length also are subjected to limit.
In addition, in order to improve the effective heat insulation length of air curtain, blade 8 must adopt large-scale blade.Consequently have on wall 4 to install not only greatly but also heavy, perhaps Ben Chong blade.
Because the width of air curtain is by the length decision of blade 8,, just must provide gas fan respectively with different length blade 8 so go into/export 2 for what make that air curtain adapts to various different sizes.
When using cross blade 8, can produce the intrinsic noise of bigger blade 8, for example whistle.
The present invention makes according to above-mentioned situation, its objective is by reducing to improve the heat-insulating capability of gas fan as the expansion of the air-flow of air curtain, and under the situation that does not increase equipment size, guarantees to be formed with the air curtain of sufficient length.Another object of the present invention provides a kind of low noise gas fan, and the optionally width of setting air curtain is gone into/export all to this air-supply function for the building of any different size under the situation of the cross blade that does not use different size.
To achieve these goals, gas fan provided by the invention has a shell, an impeller and a motor, end on the shell is provided with an intake grill, the other end is provided with exhaust outlet, impeller and motor are positioned at shell, are used for sucking air and blowing out inhaled air by exhaust outlet forcibly by intake grill.The shape of intake grill is as loudspeaker, and impeller just is located in the intake grill, and the lower end of shell dwindles equably towards the center of shell, has so just constituted exhaust outlet.
In gas fan, the assembly rotatably support that is located on the outer surface of outer cover shell;
Also can be provided with mobilizable blinds air door in the exhaust outlet.
Exhaust outlet also can be to be made of the shell underpart that dwindles to the shell center equably gradually, and this exhaust outlet has the bifurcated of X-shaped.
In addition, gas fan also can be the blast device with a shell, an impeller and a motor, end at shell is provided with intake grill, be provided with exhaust outlet at its other end, impeller and motor are positioned at shell, be used for sucking air and sending inhaled air by exhaust outlet forcibly, in exhaust outlet, establish a deflector, thereby constituted a parallel multistage spout by intake grill.
Deflector can be the roughly tubular part of triangularity of a transverse section, and the air-supply side of this deflector has a bottom, and the turning of deflector all is a circular arc, and inwardly turn up the lower end of shell, has formed the circular arc periphery of exhaust outlet.
Deflector also can rotate in exhaust outlet.
In addition, the impeller of this blast device can be an axial-flow blower, and several blast devices are located in the shell abreast.
Near the center of impeller and between blast device and exhaust outlet, be provided with first air-flow and adjust plate, second air-flow that adjacent blast device is kept apart is set in the enclosure adjusts plate.
Heater or the lighting set that has covered a cover plate also can be set in deflector.
In structure of the present invention, a shape picture loudspeaker of the intake grill of an impeller are set in it.Exhaust outlet is made of towards the center curvature of shell equably the underpart of casing wall; Therefore, when motor was driven and makes the impeller rotation, air was blown to exhaust outlet from intake grill, thereby has formed air curtain.
The assembly rotatably support that is located on the outer surface of outer cover shell.Owing to be provided with assembly, shell can be rotated on demand.
Movable blinds air door can also be set in exhaust outlet.Like this, the direction of the air-flow of discharging from exhaust outlet just can be utilized this activity blinds air door and change arbitrarily.
Exhaust outlet can be to be made of the shell underpart of shrinking equably towards the shell center, and the underpart forms X type bifurcated.Therefore, can form two exhaust outlets, and from the exportable two strands of air-flows of these two exhaust outlets.
In exhaust outlet, also deflector can be set, thereby constitute parallel multi-stage nozzle.Some bursts of parallel gas flow are discharged through exhaust outlet.Between adjacent air-spray, produce negative pressure.Under negative pressure, in this multiple jets course of injection, they are all crooked inwardly and merge into one jet.
Deflector can be its cross section tubular part triangular in shape substantially.The turning of deflector and exhaust outlet is all done in the arc-shaped.The parallel multistage spout is located in the exhaust outlet, so can discharge the multiply parallel airflow from exhaust outlet.When air-flow when exhaust outlet is discharged, the central portion of deflector and exhaust outlet has weakened the turbulence level in the air-flow greatly.
Deflector is mobilizable at the exhaust outlet place, and therefore, the flow pattern direction of air-flow can change on demand flexibly.
Impeller can be an axial-flow blower.Owing to used axial-flow blower, so flow coefficient is bigger.Under the running state of no static pressure, can reach peak efficiency.Therefore can reduce to rotate the noise that causes by driving source and impeller.In addition, owing to be provided with a plurality of blast devices, so can regulate the width of air curtain artificially.
In addition, the air curtain stream that comprises the deflection shunting that is produced by axial-flow blower is transformed into straight line air curtain stream by air-flow adjustment plate.
The heater or the lighting set of living with housing in deflector provide illuminating beam or the hot-fluid parallel with air-flow.
Fig. 1 (a) and Fig. 1 (b) are respectively the side view and the plane view of the gas fan of first embodiment of the invention;
Fig. 2 is the gas fan sectional view of first example;
Fig. 3 is the interior view that example is installed of the supply fan room of first example;
Fig. 4 is the air-spray cross section view of discharging from first embodiment's gas fan;
Fig. 5 is the view of second embodiment's mounting type;
Fig. 6 is the gas fan side view of third embodiment of the invention;
Fig. 7 (a) and 7 (b) are other side views of the gas fan of third embodiment of the invention;
Fig. 8 is the view of an indoor installation example of the 3rd embodiment's gas fan;
Fig. 9 is the view of another indoor installation example of the 3rd embodiment's gas fan;
Figure 10 (a) and 10 (b) are respectively the gas fan side-looking and the plane view of fourth embodiment of the invention;
Figure 11 (a) and 11 (b) be respectively the 4th embodiment gas fan forward sight and and side cutaway view;
Figure 12 is the view that the 4th embodiment's gas fan is installed example;
Figure 13 is the view of another installation example of gas fan of the 4th embodiment;
Figure 14 (a) and 14 (b) are respectively the gas fan side-looking and the plane view of fifth embodiment of the invention;
Figure 15 is the sectional view of the 5th embodiment's gas fan;
Figure 16 is the view of installation example of the 5th embodiment's gas fan;
Figure 17 is the view of another installation example of gas fan of the 5th embodiment;
Figure 18 (a) and 18 (b) are respectively the gas fan side-looking and the plane view of sixth embodiment of the invention;
Figure 19 is the sectional view of getting along the A-A line of Figure 18;
Figure 20 is the air-flow generalized section that the gas fan by the 6th embodiment blows out;
Figure 21 is the exhaust outlet side view in the 6th embodiment device;
Figure 22 is the exhaust outlet sectional view in the 6th embodiment device;
Figure 23 (a) is the fluidised form schematic representation of the air-flow that blows out of the gas fan from the 6th embodiment to 23 (c);
Figure 24 (a) is other fluidised form schematic representation of the air-flow that blows out of the gas fan from the 6th embodiment to 24 (c);
Figure 25 (a) and 25 (b) are the sectional views of the gas fan exhaust outlet of seventh embodiment of the invention;
Figure 26 (a) and 26 (b) are the sectional views of the another kind of exhaust outlet of gas fan of seventh embodiment of the invention;
Figure 27 is the gas fan perspective view of eighth embodiment of the invention;
Figure 28 (a) and 28 (b) are respectively the gas fan side-looking and the plane view of ninth embodiment of the invention;
Figure 29 is the sectional view of getting along the A-A line of Figure 28;
Figure 30 is the sectional view of getting along the B-B line of Figure 29;
Figure 31 (a) and 31 (b) are respectively the side-looking and the plane view of the gas fan of tenth embodiment of the invention;
Figure 32 is the sectional view of the tenth embodiment's gas fan;
Figure 33 is the interior view that example is installed of the tenth embodiment's supply fan room;
Figure 34 (a) and 34 (b) are respectively the gas fan side-looking and the plane view of eleventh embodiment of the invention;
Figure 35 is the sectional view of the 11 embodiment's gas fan;
Figure 36 is the interior view that example is installed of the 11 embodiment's supply fan room;
Figure 37 is the view of another indoor installation example of gas fan of the 11 embodiment;
Figure 38 is the structure section figure of mounted traditional gas fan;
Figure 39 is the schematic representation of the air draught model of discharging forcibly from traditional gas fan.
First embodiment
Fig. 1 (a) and 1 (b) represent the first embodiment of the present invention to Fig. 4.In the drawings, reference character 10 is represented gas fan, and 11 represent the shell of gas fan.The top of shell 11 is provided with an intake grill 12, and relative bottom is provided with an exhaust outlet.The details of exhaust outlet hereinafter will be described.Be inserted in several horn mouths 13 in the intake grill 12 and be located in the plate 14 of intake grill 12 of covering shell 11, horn mouth press arrangement equidistantly shown in the figure.Several columns that stands vertically 15 are arranged on the plate 14.Utilize column and bolt 16 that plate 14 is fixed on the shell 11.Exhaust outlet 17 is to dwindle equably towards the centre line L of shell 11 by the bottom with shell 11 to form, and its section picture is individual fan-shaped, and there is a little exhaust outlet 18 at the top place of exhaust outlet 17.
The motor 19 that utilizes some mounting column (not shown)s to equate with horn mouth 13 quantity is fixed on the inboard of shell 11.The impeller 20 that axial blade is housed is installed on the running shaft 20a of each motor.When assembling, impeller 20 is separately positioned in the horn mouth 13.Assembly flange 21 is connected on the wall of shell 11.Reference character 22 is represented a house; 23 represent the inlet in house; 24 represent the inside in room; 25 represent the outside in house; A represents the external diameter of little exhaust outlet 18; The B representative is from the angle of flare of the air-flow of little exhaust outlet 18 discharges; The distance that on behalf of air-flow, H reach; On behalf of air-flow, W reach the air-flow width at place.
The gas fan that utilizes assembly flange 21 to constitute like this is installed on the wall of inlet 23 tops in house 22 (as shown in Figure 3).Make each impeller 20 rotation by the motor 19 that is attached thereto, thereby air is sucked intake grill 12, air is discharged outdoor through exhaust outlet 17 then.The air-flow that blows out from little exhaust outlet 18, the air-flow central speed is lower slightly, and the initial velocity of air-flow is higher, and this is because exhaust outlet 17 is made the cause of convergent shape.In the experiment that the inventor carries out, diameter A is that the little exhaust outlet 18 of 50mm can form desired air curtain: B=20 °, H=1500mm, W=660mm.The length of formed air curtain and width are greater than traditional air curtain.Therefore, can form the air curtain long of high wind speed with heat insulation length.
Second embodiment
In a second embodiment, gas fan 10 is installed on the ceiling board 26 in house 22 (as shown in Figure 5), and it is mounted on the wall above the inlet 23 in first embodiment.The gas fan 10 of An Zhuaning can make air in indoor circulation like this, thereby makes indoor uniformity of temperature profile.In the room of heat supply, the temperature difference between ceiling board and the ground is generally 7 ℃ to 10 ℃.Second embodiment has successfully eliminated this temperature difference.
The 3rd embodiment
Fig. 6 represents the third embodiment of the present invention to Fig. 9.In the drawings, the U type assembly 30 that has a column 31 is installed in rotation on the shell 11.Particularly, the bearing (not shown) is located at respectively in the column 31 of crooked end.Insert respectively in these bearings from the back shaft (not shown) that shell 11 stretches out.Supporting axle combines with bearing and constitutes bearing 29.Shell 11 can rotate around bearing 29.The pitching hole 32 that forms on the outer wall of shell 11 is lined up semicircle with given pitching angle around the center of bearing.Be provided with positioning hole 33 on the pillar 31 of assembly 30, these positioning holes can align with each pitching hole 32.When positioning hole 33 and pitching hole 32 mutually to timing, positioning screwn 34 can be screwed in positioning hole and the pitching hole.
As first embodiment, the gas fan of Gou Chenging is installed on the room wall of inlet 23 tops in house 22 as stated above.When gas fan is installed, to required angle value, and utilize positioning screwn 34 that shell 11 is fixed on the assembly 30 angular setting of gas fan.Therefore, when being installed, gas fan exhaust outlet 17 can be set in required direction.Like this, gas fan is just blown by motor driving on the direction that sets.As shown in Figure 9, gas fan can be installed on the ground 27 or ceiling board 26 in room.Be located at that gas fan on the ground 27 will upwards blow to ceiling board near the air on ground so that air in indoor circulation.In the room of cooling, gas fan can blow to the air that rests on the bottom, room the top, thereby makes the temperature equalization in the room.The gas fan that is located on the ceiling board 26 can be sent to the air on top, room ground 27.Particularly in the heat supply room, the hot air that this gas fan will rest on top, room blows to ground 27, thereby makes the more uniform temperature in the room.
The 4th embodiment
In fourth embodiment of the invention shown in Figure 13, air grid motor 40 is arranged on the below of motor 19 of exhaust outlet 17 sidepieces of shell 11 at Figure 10 (a) and 10 (b).Air grid motor 40 can forward and backward rotation running shaft 41.Crank 42 links to each other with running shaft.One end of air grid 43 rotatably is being supported by the supporting member 44 that is located at little exhaust outlet 18 places, and its other end links to each other with crank 42.When 40 runnings of air grid motor, air grid 43 is flatly swung around supporting member 44, to change the airflow direction of discharging from little exhaust outlet 18.
The mounting type of the 4th embodiment's gas fan is identical with first embodiment.Can change the direction of the air-flow that blows out from exhaust outlet 17 on demand by drive motor 19 and air grid motor 40.Air is more effectively circulated.When gas fan was provided with by mode shown in Figure 13, it also played a part electric fan.
The 5th embodiment
To the gas fan of the fifth embodiment of the invention shown in Figure 17, exhaust outlet 17 shrinks towards the centre line L direction of shell 11 gradually equably at Figure 14 (a) and 14 (b), and is branched into the exhaust outlet 50 of X type.
According to first embodiment's mounting type this gas fan is installed.When motor 19 drove gas fans, gas fan blew out two strands of air-flows with the exhaust outlet 50 of inhaled air by X type bifurcated.Therefore, when blower-use during in heat insulation purpose, air curtain is double-deck, wider range, and open with external isolation the house is inner, can improve effect of heat insulation like this, when gas fan by shown in Figure 17 when being installed on the ceiling board 26, the air-flow that blows out from a bifurcated of X type exhaust outlet 50 can collide ceiling board, and then flows forward.Therefore, the highest Hot air quilt of temperature that is lower than the about 10cm of ceiling board place in the room moves in indoor circulation forcibly.This can produce fabulous air-conditioning effect.
The 6th embodiment
To the gas fan of the sixth embodiment of the invention shown in Figure 24, reference character 55 is represented shell, 56 intake grills of representing shell 55 tops to open at Figure 18 (a) and 18 (b).The upper end of shell 55 lateral buckling in it, and form circular arc portion 57, thus constitute horn mouth 13.Banded assembly 58 remains on each motor 19 between the assembly.Each end of assembly 58 is fixed on the inwall of shell 55.Impeller 20 with axial blade 59 is positioned at horn mouth 13 and is connected with rotating shaft 20a.
Each blast device 54 all comprises motor 19, impeller 20 and the horn mouth 13 that is installed on the shell 55, and each blast device separates mutually equidistantly.Exhaust outlet 60 is located at the bottom of shell 55 and is communicated with intake grill 56.The lower end of shell is bent into circular arc portion 57 and reaches the root edge of intake grill 56 bending parts towards the shell inboard.These bending parts connect together so that constitute the smooth internal walls of shell 55, this inner wall limit one from intake grill 56 to exhaust outlet the level and smooth air channel 61 of 60 scopes.
Be positioned near the deflector 62 in exhaust outlet 60 centers, its cross section is triangular in shape, and vertex of a triangle is positioned at intake grill 56 1 sides, and the base is positioned at exhaust outlet 60 1 sides.Leg-of-mutton corner part all is curved, and represents with reference character 57.Therefore, the exhaust outlet 60 that is provided with deflector 62 in it plays the function of parallel multistage spout 63.Deflector 62 is elongated tubular parts, and its end has tapped hole.Deflector 62 is to be installed in like this on the shell 55: the two ends of deflector and shell 55 relative inwall places contact and utilize and regulate bolt 64 and be fixed on the inwall.Have T-slot on the outer wall section of shell 55, this T-slot is corresponding with each end of deflector 62 contacts.Regulate each in bolt 64 insertion grooves and to utilize T-slot 65 to slide directed.In Figure 20, H represents the section height of air curtain, and W represents the width of air curtain at section height H place; H represents and expands into curtain air curtain length before morning; The air-spray that the Z representative is discharged from exhaust outlet 60.
In the 6th embodiment's this gas fan, deflector 62 is located in the exhaust outlet 60 and utilizes the adjusting bolts 64 that insert T-slots 65 to be fixed in desired location on shell 55 inwalls.Axial-flow blower 59 is by motor 19 rotary driving, air sucked intake grill 56 and to spray air streams by exhaust outlet 60.More precisely, can eject the two gangs of jet Z (as shown in figure 20) that separate by the deflector 62 that is positioned at exhaust outlet 60 by parallel multistage spout 63.
Because the ejector action of jet can produce negative pressure in the space between two strands of jets that eject from two spouts.Under suction function, two strands of jets can curve inwardly and merge into one jet Z in flow process.Therefore, jet Z begins expansion during for the position at h place at distance exhaust outlet 60.Like this, just reduced the width W of air curtain, and the center flow velocity of jet reduces slightly also at section height H place.That is to say, more more effective by the air curtain that a plurality of spouts with less width of jet form than the air curtain that the single jet with big width of jet forms.Therefore, compare with traditional gas fan, gas fan of the present invention has higher heat-insulating capability, can also reduce the flow velocity of jet Z simultaneously.This jet makes people's health almost imperceptible.
The circular portion 57 of deflector 62 and exhaust outlet 60 can make the turbulence level in the air-flow Z of exhaust outlet 60 ejection weaken greatly, and this has just suppressed the expansion of jet Z effectively.
Need the air-spray width to need more greatly and not under the higher flow rate conditions, can utilize T-slot 65 deflector 62 to be moved on the position that is lower than exhaust outlet 60 height (as Figure 23 (a) to shown in 23 (c)).When moving down deflector 62, jet Z also broadens thereupon.As shown in figure 24, the direction of jet Z can turn to right side or left side.When by T-slot 65 deflector 62 being shifted to the right side, jet is angle θ of deflection (seeing Figure 24 (a)) to the right.When by T-slot 65 deflector 62 being shifted to the left side, jet is angle θ of deflection (seeing Fig. 4 (c)) to the left.Therefore, because deflector 62 can level and vertical movement at the exhaust outlet place, so can neatly jet be set on the needed direction.So just, obtained a kind of simple structure of not using blinds air door or similar device.
The blast device 54 of respectively organizing with axial-flow blower 59 all is contained in the gas fan 10, owing to have several blast devices 54, so flow coefficient is big.When comparing with the situation of using cross blade, this gas fan can obtain in no static pressure running state, i.e. peak efficiency under the maximum airflow state.The noise that its result has produced when having reduced gas fan 10 operations.In addition, the quantity by suitably selecting blast device 54 is with regard to the width of adjustable air curtain.
The 7th embodiment
Figure 25 (a) is to the gas fan of 26 (b) expression seventh embodiment of the invention.In this embodiment, deflector 62 can move automatically at exhaust outlet 60 places, and is to utilize the manually mobile deflector 62 that cooperatively interacts of regulating bolt and T-slot 65 in the 6th embodiment.As shown in the figure, on the inwall of the two ends of shell 55, actuating motor 70 is set.A small gear 72 is connected on the rotatingshaft 71 of each actuating motor 70.The ratch 73 that is meshed with small gear 72 vertically or flatly is arranged in the deflector 62.
When actuating motor 70 is handled when being activated by switch (not shown), the engagement by ratch 73 and small gear 72 makes deflector 62 horizontal or vertical mobile exhaust outlet 60 in.In the present embodiment, except the effect identical with the 7th embodiment, the direction of air-spray can also be utilized the master cock teleregulation, thereby operating characteristics is further improved.
The 8th embodiment
In the gas fan of the eighth embodiment of the invention that Figure 27 shows, 81 in gas fan with shell 80 has held single blast device 54.Utilize connection set 82 gas fan 81 of optimal number can be connected into a monomer.As needing the blowing unit of LXn length, the connection set 82 that just can utilize respective length simply constitutes n each length for the gas fan 81 of L couples together.Therefore, can make up blowing unit according to the throat width of building.Connected element 82 also can play decorative sheet.
The 9th embodiment
The gas fan of Figure 28 (a) and 28 (b) expression ninth embodiment of the invention.In the drawings, first air-flow that reference character 90 representatives are positioned under axial-flow blower 59 centers is adjusted plate, below its each motor 19 in shell 55.First air-flow is adjusted plate 90 and is made up of paired dividing plate 92.One end of dividing plate is connected on the inwall of exhaust outlet 60, and its other end is connected on the side surface 91 of deflector 62.Adjusting plate 93 as second air-flow of veneer separates the adjacent blast device 54 in the shell 55.Each second air-flow is adjusted the upper end of plate 93 and the inwall of intake grill 56 links together, and its underpart (according to the deflector profile) cuts into a gap, and the side surface 91 of the inwall of this underpart and exhaust outlet 60 and deflector 62 links together.
In the gas fan of this structure, the running of blast device 54 can suck air intake grill 56 and forcibly air be sent by exhaust outlet 60.The jet that comprises the deflection shunting that is formed by axial-flow blower 59 is transformed into linear flow by the compound action of first and second air-flows adjustment plate 90 and 93.Therefore, this helps to be formed for air curtain of the present invention very much, and this air curtain has been owing to the guiding of adjusting plate has reduced the diffusion of air-spray, and can positively reduce the width of air-spray.
The tenth embodiment
Figure 31 (a) and 31 (b) represent the gas fan of tenth embodiment of the invention to Figure 33.In embodiment 6,8 and 9, deflector 62 is a cross section tubular part triangular in shape substantially.In the tenth embodiment, the bottom that is positioned at exhaust outlet 60 of deflector 62 is opening (shown in figure 32).Reference character 95 is represented a lighting set as the fluorescent lamp, and it is arranged in the deflector 62.
The tenth embodiment's gas fan is installed according to first embodiment's method.When motor 19 and lighting set 95 connections, gas fan forms air curtain in inlet 23, illumination is provided simultaneously there.Present embodiment also has illumination function except heat insulating function, so operating characteristics is able to further raising.
The 11 embodiment
The gas fan of Figure 34 (a) and 34 (b) expression eleventh embodiment of the invention.In the drawings, reference character 96 is represented a heater, for example a kind of bar-shaped electric heater.Heater 96 is located in the deflector 62.The cover of heater 97 that is used to cover heater 96 is semicircular, and it is also as reflector.
The 11 embodiment's gas fan is installed according to the 10th embodiment's mode.When motor 19 and heater 96 connections, form warm-air curtain, eliminated the cold sensation in 23 places that enters the mouth.When gas fan is equipped with Cuo 97, and when its was vertically placed (as shown in figure 37), it can be used as electric fan in summer, can be used as heater in the winter time.This gas fan is multi-functional.
The present invention who consists of like this has following beneficial effect.
In the ventilating blower structure according to first aspect present invention, advancing of a horn mouth shape is set Air port, impeller are contained in the air inlet, air outlet be by shell wall towards its center equably crooked and Consist of. By the air curtain flow velocity height that this pressure fan produces, length is long.
In the ventilating blower structure aspect second of the present invention, be located at the installation on the outer surface of outer cover Parts rotatably support shell. Owing to be provided with this installing component, so discharge from pressure fan Air-flow can be set on the desired direction. So just can guarantee the flexible use of hair-dryer.
In the ventilating blower structure of third aspect of the present invention, in air outlet, be provided with movable hundred The leaf air door. Just owing to this blinds air door is arranged, so can in relative broad range, blow. Therefore, The performance of this product can further improve.
In the ventilating blower structure aspect the 4th of the present invention, air outlet is to be pursued by the shell bottom Gradually dwindle equably formation towards the shell center, and this air outlet is the bifurcated of X-type. By this The air curtain that kind of pressure fan produces is double-deck and wider, it with the inside in house with outside every Leave.
In the ventilating blower structure aspect the 5th of the present invention, in air outlet, be provided with baffle, Thereby consisted of the parallel multistage spout. So just, suppressed the expansion of air curtain width, and improved Heat-insulating capability. So, compare with traditional pressure fan, this pressure fan have suitable every Heat energy power has reduced jet velocity simultaneously. This jet is difficult for being felt by the people. This air-supply Body amasss little, in light weight and saves very much the energy.
In the ventilating blower structure aspect the 6th of the present invention, in air outlet, be provided with parallel many The level spout. In addition, the circular arc portion of baffle and air outlet has greatly weakened from air outlet and has sprayed Air-flow in turbulence level. Therefore the expansion of jet is restrained effectively, and improves Heat-insulating capability.
In the ventilating blower structure aspect the 7th of the present invention, from the air draught of pressure fan ejection Flow pattern can change on demand flexibly, and therefore, air curtain can form as required.
In the ventilating blower structure aspect the 8th of the present invention, use axial wheel to make generation Reducing noise. Because be that several air-supply arrangements are formed a blowing unit abreast, so When being installed, blowing unit can determine by the size of installation site the chi of the blowing unit that will assemble Very little.
In the ventilating blower structure aspect the 9th of the present invention, utilize air-flow to adjust plate with in the shell Air-flow be transformed into straight air stream. Its result has suppressed the expansion of air-flow.
In the ventilating blower structure aspect the tenth of the present invention, hold in the baffle having heaters or Lighting device. Therefore, this pressure fan becomes multi-functional pressure fan.
Claims (4)
1. gas fan that comprises blast device, described blast device comprises a shell, an impeller and a motor, and deflector, one end of shell has an intake grill, the other end has an exhaust outlet, and impeller and motor are positioned at described shell, is used for sucking air from described intake grill and also forcibly inhaled air is sent by described exhaust outlet, deflector is set in the described exhaust outlet, is used to constitute the parallel multistage spout; It is characterized in that:
Described deflector is a transverse section tubular part triangular in shape, and described leg-of-mutton base is at described air-out oral-lateral, and the corner of described deflector is a circular arc, and the underpart of described shell bends inwards, to form the arc bend bent portions;
Described deflector is movable in described exhaust outlet; It is characterized in that:
The inwall place relative with shell, the two ends of described deflector contacts and utilizes and regulate bolt to inwall.
2. according to the gas fan of claim 1, it is characterized in that: the described impeller of described blast device is an axial-flow blower, and several described blast devices are arranged in the described shell abreast.
3. according to the gas fan of claim 1, it is characterized in that: its also comprise one near the described impeller center and first air-flow between described blast device and described exhaust outlet adjust plate, and second air-flow adjustment plate of adjacent described blast device being separated and being located in the described shell.
4. according to the gas fan of claim 1, it is characterized in that: its also be included in the described deflector with heater that covers or lighting set.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19176/94 | 1994-02-16 | ||
| JP6019176A JP3013686B2 (en) | 1993-02-17 | 1994-02-16 | Blower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1112219A CN1112219A (en) | 1995-11-22 |
| CN1089884C true CN1089884C (en) | 2002-08-28 |
Family
ID=11992047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94104822 Expired - Lifetime CN1089884C (en) | 1994-02-16 | 1994-03-18 | Blower |
Country Status (5)
| Country | Link |
|---|---|
| CN (1) | CN1089884C (en) |
| GB (1) | GB2286856B (en) |
| HK (1) | HK1009984A1 (en) |
| MY (1) | MY122554A (en) |
| SG (1) | SG48931A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1314901C (en) * | 2003-05-14 | 2007-05-09 | 台达电子工业股份有限公司 | Axial flow fan |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0960942A (en) * | 1995-08-25 | 1997-03-04 | Mitsubishi Electric Corp | Blower |
| BE1018575A3 (en) * | 2008-09-18 | 2011-04-05 | Damseaux Philippe | AIR CURTAIN WITH CALORIE RECOVERY. |
| NL1036402C2 (en) * | 2009-01-09 | 2010-07-13 | Biddle B V | AIR CURTAIN DEVICE AND METHOD FOR PROVIDING A AIR CURTAIN WITH CONVECTOR. |
| EP2396602B1 (en) * | 2009-02-02 | 2013-04-17 | Handelsmaatschappij Willy Deweerdt BVBA | Blower unit device for generating an air wall for separating the air in two spaces |
| JP5263198B2 (en) * | 2010-02-26 | 2013-08-14 | パナソニック株式会社 | Impeller, blower and air conditioner using the same |
| FR2957939B1 (en) * | 2010-03-29 | 2012-08-17 | Koolerheadz | MODULAR GAS INJECTION DEVICE |
| FR2957938B1 (en) * | 2010-03-29 | 2012-10-05 | Koolerheadz | GAS INJECTION DEVICE WITH UNIFORM GAS SPEED |
| EP2553144B1 (en) * | 2010-03-29 | 2016-11-23 | Koolerheadz | Gas injection device with uniform gas velocity |
| ES2488716T3 (en) * | 2011-04-29 | 2014-08-28 | H.Opdam Management B.V. | An air curtain, and a vehicle provided with said air curtain |
| CN102230649A (en) * | 2011-07-11 | 2011-11-02 | 王如东 | Air-cooled heat pump unit |
| JP2015155681A (en) * | 2014-02-21 | 2015-08-27 | 株式会社デンソー | blower |
| JP6340819B2 (en) * | 2014-02-21 | 2018-06-13 | 株式会社デンソー | Blower |
| CN103953997B (en) * | 2014-05-12 | 2016-08-24 | 喻安义 | A kind of portable air barrier generator separating doctors and patients |
| CN105277394A (en) * | 2014-05-29 | 2016-01-27 | 深圳华盛昌机械实业有限公司 | Wind accumulation cover and PM2.5 tester having wind accumulation cover |
| CN104507184A (en) * | 2014-12-10 | 2015-04-08 | 盐城市龙科电器有限公司 | Rapid cooling type cast aluminum heater with fan air ducts |
| CN106051911B (en) * | 2015-04-02 | 2020-10-16 | 松下知识产权经营株式会社 | Fan device and ceiling-suspended air conditioning equipment |
| CN105757830A (en) * | 2016-03-28 | 2016-07-13 | 海信（山东）空调有限公司 | Outdoor unit of air conditioner and air conditioner |
| CN106152345A (en) * | 2016-08-09 | 2016-11-23 | 西南科技大学 | A kind of natural, ecological air-conditioner |
| BE1024272B1 (en) * | 2016-11-10 | 2018-01-10 | Philippe Damseaux | AIR CURTAIN WITH CALORIES RECOVERY |
| CN111852902A (en) * | 2019-04-28 | 2020-10-30 | 无锡小天鹅电器有限公司 | Fan and washing equipment with same |
| CN112212399A (en) * | 2019-07-09 | 2021-01-12 | 青岛海尔空调器有限总公司 | Air conditioner indoor unit utilizing pipeline for guiding air |
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| GB544718A (en) * | 1940-10-23 | 1942-04-24 | Tage Georg Nyborg | Improvements relating to the flow of fluids in ducts and to fans for producing such flow |
| DE1403552A1 (en) * | 1960-03-11 | 1969-04-17 | Firth Cleveland Ltd | Fan |
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| DE3839430C1 (en) * | 1988-11-23 | 1989-06-22 | Fa. J. Eberspaecher, 7300 Esslingen, De |
-
1994
- 1994-03-17 SG SG1996003858A patent/SG48931A1/en unknown
- 1994-03-17 GB GB9405230A patent/GB2286856B/en not_active Expired - Lifetime
- 1994-03-18 CN CN 94104822 patent/CN1089884C/en not_active Expired - Lifetime
- 1994-03-18 MY MYPI9400647 patent/MY122554A/en unknown
-
1998
- 1998-09-21 HK HK98110766A patent/HK1009984A1/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1314901C (en) * | 2003-05-14 | 2007-05-09 | 台达电子工业股份有限公司 | Axial flow fan |
Also Published As
| Publication number | Publication date |
|---|---|
| HK1009984A1 (en) | 1999-06-11 |
| MY122554A (en) | 2006-04-29 |
| SG48931A1 (en) | 1998-05-18 |
| GB2286856B (en) | 1998-09-16 |
| GB9405230D0 (en) | 1994-04-27 |
| GB2286856A (en) | 1995-08-30 |
| CN1112219A (en) | 1995-11-22 |
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| C06 | Publication | ||
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Expiration termination date: 20140318 Granted publication date: 20020828 |