CN1112219A - Blower - Google Patents
Blower Download PDFInfo
- Publication number
- CN1112219A CN1112219A CN 94104822 CN94104822A CN1112219A CN 1112219 A CN1112219 A CN 1112219A CN 94104822 CN94104822 CN 94104822 CN 94104822 A CN94104822 A CN 94104822A CN 1112219 A CN1112219 A CN 1112219A
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- Prior art keywords
- air
- pressure fan
- shell
- air outlet
- baffle
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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)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (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 pressure fan that is installed in building entrance and/or exit, this pressure 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 pressure 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 air outlet 7 that is positioned at the air inlet 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 air outlet 7 from air inlet 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 air outlet 7 places.These blades can rotate as rotating shaft with its upper end.
In the pressure fan that so constitutes, motor 9 drives blades 8 rotations, so that suck air from air inlet 6, from air outlet 7 air is sent, and exports the air curtain that dangles in 2 places downwards with regard to the inlet that has formed in the house like this.
In pressure 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, in other words Ben Chong blade.
Because the width of air curtain is by the length decision of blade 8,, just must provide pressure 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 pressure 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 pressure 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, pressure fan provided by the invention has a shell, an impeller and a motor, end on the shell is provided with an air inlet, the other end is provided with air outlet, impeller and motor are positioned at shell, are used for sucking air and blowing out inhaled air by air outlet forcibly by air inlet.The shape of air inlet is as loudspeaker, and impeller just is located in the air inlet, and the lower end of shell dwindles equably towards the center of shell, has so just constituted air outlet.
In pressure fan, the installing component rotatably support that is located on the outer surface of outer cover shell.
Also can be provided with mobilizable blinds air door in the air outlet.
Air outlet also can be to be made of the shell bottom that dwindles to the shell center equably gradually, and this air outlet has the bifurcated of X-shaped.
In addition, pressure fan also can be the air-supply arrangement with a shell, an impeller and a motor, end at shell is provided with air inlet, be provided with air outlet at its other end, impeller and motor are positioned at shell, be used for sucking air and sending inhaled air by air outlet forcibly, in air outlet, establish a baffle, thereby constituted a parallel multistage spout by air inlet.
Baffle can be the roughly tubular part of triangularity of a cross section, and the air-supply side of this baffle has a bottom, and the turning of baffle all is a circular arc, and inwardly turn up the lower end of shell, has formed the circular arc periphery of air outlet.
Baffle also can rotate in air outlet.
In addition, the impeller of this air-supply arrangement can be an axial wheel, and several air-supply arrangements are located in the shell abreast.
Near the center of impeller and between air-supply arrangement and air outlet, be provided with first air-flow and adjust plate, second air-flow that adjacent air-supply arrangement is kept apart is set in the enclosure adjusts plate.
Heater or the lighting device that has covered a cover plate also can be set in baffle.
In structure of the present invention, a shape picture loudspeaker of the air inlet of an impeller are set in it.Air outlet is made of towards the center curvature of shell equably the bottom of shell wall.Therefore, when motor was driven and makes the impeller rotation, air was blown to air outlet from air inlet, thereby has formed air curtain.
The installing component rotatably support that is located on the outer surface of outer cover shell.Owing to be provided with installing component, shell can be rotated on demand.
Movable blinds air door can also be set in air outlet.Like this, the direction of the air-flow of discharging from air outlet just can be utilized this activity blinds air door and change arbitrarily.
Air outlet can be to be made of the shell bottom of shrinking equably towards the shell center, and the bottom forms X type bifurcated.Therefore, can form two air outlets, and from the exportable two strands of air-flows of these two air outlets.
In air outlet, also baffle can be set, thereby constitute parallel multi-stage nozzle.Some bursts of parallel gas flow are discharged through air 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.
Baffle can be its cross section tubular part triangular in shape substantially.The turning of baffle and air outlet is all done in the arc-shaped.The parallel multistage spout is located in the air outlet, so can discharge the multiply parallel airflow from air outlet.When air-flow when air outlet is discharged, the central portion of baffle and air outlet has weakened the turbulence level in the air-flow greatly.
Baffle is mobilizable at the air outlet place, and therefore, the flow pattern direction of air-flow can change on demand flexibly.
Impeller can be an axial wheel.Owing to used axial wheel, so discharge coefficient is bigger.Under the running status of no static pressure, can reach peak efficiency.Therefore can reduce to rotate the noise that causes by drive source and impeller.In addition, owing to be provided with a plurality of air-supply arrangements, 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 wheel is transformed into straight line air curtain stream by air-flow adjustment plate.
The heater or the lighting device of living with housing in baffle provide illuminating bundle or the hot-fluid parallel with air-flow.
Fig. 1 (a) and Fig. 1 (b) are respectively the side view and the plan view of the pressure fan of first embodiment of the invention;
Fig. 2 is the pressure fan sectional drawing 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 the pressure fan of first embodiment;
Fig. 5 is the view of the mounting means of second embodiment;
Fig. 6 is the pressure fan side view of third embodiment of the invention;
Fig. 7 (a) and 7(b) be other side view of the pressure fan of third embodiment of the invention;
Fig. 8 is the view of an indoor installation example of the pressure fan of the 3rd embodiment;
Fig. 9 is the view of another indoor installation example of the pressure fan of the 3rd embodiment;
Figure 10 (a) and 10(b) be respectively the pressure fan side-looking and the plan view of fourth embodiment of the invention;
Figure 11 (a) and 11(b) be respectively the 4th embodiment pressure fan forward sight and and side cutaway view;
Figure 12 is the view that the pressure fan of the 4th embodiment is installed example;
Figure 13 is the view of another installation example of pressure fan of the 4th embodiment;
Figure 14 (a) and 14(b) be respectively the pressure fan side-looking and the plan view of fifth embodiment of the invention;
Figure 15 is the sectional drawing of the pressure fan of the 5th embodiment;
Figure 16 is the view of installation example of the pressure fan of the 5th embodiment;
Figure 17 is the view of another installation example of pressure fan of the 5th embodiment;
Figure 18 (a) and 18(b) be respectively the pressure fan side-looking and the plan view of sixth embodiment of the invention;
Figure 19 is the sectional drawing of getting along the A-A line of Figure 18;
Figure 20 is the air-flow generalized section that the pressure fan by the 6th embodiment blows out;
Figure 21 is the air outlet side view in the 6th embodiment device;
Figure 22 is the air outlet sectional drawing in the 6th embodiment device;
Figure 23 (a) is to 23(c) be the fluidised form schematic diagram of the air-flow that blows out of the pressure fan from the 6th embodiment;
Figure 24 (a) is to 24(c) be other fluidised form schematic diagram of the air-flow that blows out of the pressure fan from the 6th embodiment;
Figure 25 (a) and 25(b) be the sectional drawing of the pressure fan air outlet of seventh embodiment of the invention;
Figure 26 (a) and 26(b) be the sectional drawing of the another kind of air outlet of pressure fan of seventh embodiment of the invention;
Figure 27 is the pressure fan perspective view of eighth embodiment of the invention;
Figure 28 (a) and 28(b) be respectively the pressure fan side-looking and the plan view of ninth embodiment of the invention;
Figure 29 is the sectional drawing of getting along the A-A line of Figure 28;
Figure 30 is the sectional drawing of getting along the B-B line of Figure 29;
Figure 31 (a) and 31(b) be respectively the side-looking and the plan view of the pressure fan of tenth embodiment of the invention;
Figure 32 is the sectional drawing of the pressure fan of the tenth embodiment;
Figure 33 is the interior view that example is installed of the supply fan room of the tenth embodiment;
Figure 34 (a) and 34(b) be respectively the pressure fan side-looking and the plan view of eleventh embodiment of the invention;
Figure 35 is the sectional drawing of the pressure fan of the 11 embodiment;
Figure 36 is the interior view that example is installed of the supply fan room of the 11 embodiment;
Figure 37 is the view of another indoor installation example of pressure fan of the 11 embodiment;
Figure 38 is the structure section figure of mounted traditional pressure fan;
Figure 39 is the schematic diagram of the air draught model of discharging forcibly from traditional pressure fan.
First embodiment
Fig. 1 (a) and 1(b) represent the first embodiment of the present invention to Fig. 4.In the drawings, Reference numeral 10 is represented pressure fan, and 11 represent the shell of pressure fan.The top of shell 11 is provided with an air inlet 12, and relative bottom is provided with an air outlet.The details of air outlet hereinafter will be described.Be inserted in several horn mouths 13 in the air inlet 12 and be located in the plate 14 of air inlet 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.Air 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 air outlet 18 at the top place of air 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 rotating 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 numeral 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 air outlet 18; The B representative is from the angle of flare of the air-flow of little air 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 pressure 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 air inlet 12, air is discharged outdoor through air outlet 17 then.The air-flow that blows out from little air outlet 18, the air-flow central speed is lower slightly, and the initial velocity of air-flow is higher, and this is because air outlet 17 is made the cause of convergent shape.In the experiment that the inventor carries out, diameter A is that the little air 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, pressure fan 10 is installed on the ceiling 26 in house 22 (as shown in Figure 5), and it is mounted on the wall above the inlet 23 in first embodiment.The pressure 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 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 installing component 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.Bolster 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 the given angle of pitch around the center of bearing.Be provided with locating hole 33 on the pillar 31 of installing component 30, these locating holes can align with each pitching hole 32.When locating hole 33 and pitching hole 32 mutually to timing, dog screw 34 can be screwed in locating hole and the pitching hole.
As first embodiment, the pressure fan of Gou Chenging is installed on the room wall of inlet 23 tops in house 22 as stated above.When pressure fan is installed, to required angle value, and utilize dog screw 34 that shell 11 is fixed on the installing component 30 angle initialization of pressure fan.Therefore, when being installed, pressure fan air outlet 17 can be set in required direction.Like this, pressure fan is just blown by motor-driven on the direction that sets.As shown in Figure 9, pressure fan can be installed on the ground 27 or ceiling 26 in room.Be located at that pressure fan on the ground 27 will upwards blow to ceiling near the air on ground so that air in indoor circulation.In the room of cooling, pressure fan can blow to the air that rests on the bottom, room the top, thereby makes the equalizing temperature in the room.The pressure fan that is located on the ceiling 26 can be sent to the air on top, room ground 27.Particularly in the heat supply room, the hot-air that this pressure fan will rest on top, room blows to ground 27, thereby makes the more uniform temperature in the room.
The 4th embodiment
At Figure 10 (a) with 10(b) in fourth embodiment of the invention shown in Figure 13, air grid motor 40 is arranged on the below of motor 19 of air outlet 17 sidepieces of shell 11.Air grid motor 40 can forward and backward rotation rotating shaft 41.Crank 42 links to each other with rotating shaft.One end of air grid 43 rotatably is being supported by the supporting member 44 that is located at little air 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 air outlet 18.
The mounting means of the pressure fan of the 4th embodiment is identical with first embodiment.Can change the direction of the air-flow that blows out from air outlet 17 on demand by drive motors 19 and air grid motor 40.Air is more effectively circulated.When pressure fan was provided with by mode shown in Figure 13, it also played a part electric fan.
The 5th embodiment
At Figure 14 (a) with 14(b) to the pressure fan of the fifth embodiment of the invention shown in Figure 17, air outlet 17 shrinks towards the centre line L direction of shell 11 gradually equably, and is branched into the air outlet 50 of X type.
According to the mounting means of first embodiment this pressure fan is installed.When motor 19 drove pressure fans, pressure fan blew out two strands of air-flows with the air 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 pressure fan by shown in Figure 17 when being installed on the ceiling 26, the air-flow that blows out from a bifurcated of X type air outlet 50 can collide ceiling, and then flows forward.Therefore, the highest Hot air quilt of temperature that is lower than the about 10cm of ceiling place in the room moves in indoor circulation forcibly.This can produce fabulous air-conditioning effect.
The 6th embodiment
At Figure 18 (a) with 18(b) to the pressure fan of the sixth embodiment of the invention shown in Figure 24, Reference numeral 55 is represented shell, 56 air inlets of representing shell 55 tops to open.The upper end of shell is towards the interior lateral buckling of shell 55, and formation circular arc portion 57, thereby constitutes horn mouth 13.Banded installing component 58 remains on each motor 19 between the installing component.Each end of installing component 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 air-supply arrangement 54 all comprises motor 19, impeller 20 and the horn mouth 13 that is installed on the shell 55, and each air-supply arrangement separates mutually equidistantly.Air outlet 60 is located at the bottom of shell 55 and is communicated with air inlet 56.The lower end of shell is bent into circular arc portion 57 and reaches the root edge of air inlet 56 bending parts towards the shell inboard.These bending parts connect together so that constitute the smooth internal walls of shell 55, this inwall define one from air inlet 56 to air outlet the level and smooth air channel 61 of 60 scopes.
Be positioned near the baffle 62 in air outlet 60 centers, its cross section is triangular in shape, and vertex of a triangle is positioned at air inlet 56 1 sides, and the base is positioned at air outlet 60 1 sides.Leg-of-mutton corner part all is curved, and represents with Reference numeral 57.Therefore, the air outlet 60 that is provided with baffle 62 in it plays the function of parallel multistage spout 63.Baffle 62 is elongated tubular parts, and its end has screwed hole.Baffle 62 is to be installed in like this on the shell 55: the two ends of baffle 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 baffle 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 air outlet 60.
In this pressure fan of the 6th embodiment, baffle 62 is located in the air outlet 60 and utilizes the adjusting bolts 64 that insert T-slots 65 to be fixed in desired location on shell 55 inwalls.Axial wheel 59 drives rotation by motor 19, air sucked air inlet 56 and to spray air stream by air outlet 60.More precisely, can eject two gangs of jet Z(separating by the baffle 62 that is positioned at air outlet 60 as shown in figure 20 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 air 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 pressure fan, pressure 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 baffle 62 and air outlet 60 can make the turbulence level in the air-flow Z of air outlet 60 ejection weaken greatly, and this has just suppressed the expansion of jet Z effectively.
Needing the air-spray width to need more greatly and not under the higher flow rate conditions, can utilize T-slot 65 baffle 62 to be moved on the position that is lower than air outlet 60 height shown in (as Figure 23 (a) to 23(c)).When moving down baffle 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 baffle 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 baffle 62 being shifted to the left side, jet is angle θ of deflection (seeing Fig. 4 (c)) to the left.Therefore, owing to baffle 62 can level move with vertical at the air 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 air-supply arrangement 54 of respectively organizing with axial wheel 59 all is contained in the pressure fan 10, owing to have several air-supply arrangements 54, so discharge coefficient is big.When comparing with the situation of using cross blade, this pressure fan can obtain in no static pressure running status, i.e. peak efficiency under the maximum airflow state.The noise that its result has produced when having reduced pressure fan 10 operations.In addition, the quantity by suitably selecting air-supply arrangement 54 is with regard to the width of adjustable air curtain.
The 7th embodiment
Figure 25 (a) is to 26(b) expression seventh embodiment of the invention pressure fan.In this embodiment, baffle 62 can move automatically at air outlet 60 places, and is to utilize the manually mobile baffle 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, servomotor 70 is set.A pinion 72 is connected on the turning cylinder 71 of each servomotor 70.The ratch 73 that is meshed with pinion 72 vertically or flatly is arranged in the baffle 62.
When servomotor 70 is handled when being activated by switch (not shown), the engagement by ratch 73 and pinion 72 makes baffle 62 horizontal or vertical mobile air 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 remote control adjustment, thereby operating characteristic is further improved.
The 8th embodiment
In the pressure fan of the eighth embodiment of the invention that Figure 27 shows, 81 in pressure fan with shell 80 has held single air-supply arrangement 54.Utilize jockey 82 pressure fan 81 of optimal number can be connected into a monomer.As needing the blowing unit of Lxn length, the jockey 82 that just can utilize respective length simply constitutes n each length for the pressure fan 81 of L couples together.Therefore, can make up blowing unit according to the throat width of building.Attaching parts 82 also can play decorative panel.
The 9th embodiment
Figure 28 (a) and 28(b) expression ninth embodiment of the invention pressure fan.In the drawings, first air-flow that Reference numeral 90 representatives are positioned under axial wheel 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 air outlet 60, and its other end is connected on the side surface 91 of baffle 62.Adjusting plate 93 as second air-flow of veneer separates the adjacent air-supply arrangement 54 in the shell 55.Each second air-flow is adjusted the upper end of plate 93 and the inwall of air inlet 56 links together, and its bottom (according to the baffle profile) cuts into a gap, and the side surface 91 of the inwall of this bottom and air outlet 60 and baffle 62 links together.
In the pressure fan of this structure, the running of air-supply arrangement 54 can suck air air inlet 56 and forcibly air be sent by air outlet 60.The jet that comprises the deflection shunting that is formed by axial wheel 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 pressure fan of tenth embodiment of the invention to Figure 33.In embodiment 6,8 and 9, baffle 62 is a cross section tubular part triangular in shape substantially.In the tenth embodiment, the bottom that is positioned at air outlet 60 of baffle 62 is opening (shown in figure 32).Reference numeral 95 is represented a lighting device as the fluorescent lamp, and it is arranged in the baffle 62.
The pressure fan of the tenth embodiment is installed according to the method for first embodiment.When motor 19 and lighting device 95 connections, pressure fan forms air curtain in inlet 23, illumination is provided simultaneously there.Present embodiment also has illumination functions except heat insulating function, so operating characteristic is able to further raising.
The 11 embodiment
Figure 34 (a) and 34(b) expression eleventh embodiment of the invention pressure fan.In the drawings, Reference numeral 96 is represented a heater, for example a kind of bar-shaped electric heater.Heater 96 is located in the baffle 62.The cover of heater 97 that is used to cover heater 96 is semicircular, and it is also as reflector.
The pressure fan of the 11 embodiment is installed according to the mode of the 10th embodiment.When motor 19 and heater 96 connections, form warm-air curtain, eliminated the cold sensation in 23 places that enters the mouth.When pressure 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 pressure 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, the air inlet of a horn mouth shape is set, impeller is contained in the air inlet, and air outlet is equably crooked and consist of towards its center by shell wall. By the air curtain flow velocity height that this pressure fan produces, length is long.
In the ventilating blower structure of second aspect present invention, be located at the installing component rotatably support shell on the outer surface of outer cover. Owing to be provided with this installing component, the air-flow of discharging from pressure fan 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 blinds 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. The air curtain that is produced by this pressure fan is bilayer and wider, and it opens inside and the external isolation in house.
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, suppress the expansion of air curtain width, and improved heat-insulating capability. So, to compare with traditional pressure fan, this pressure fan has suitable heat-insulating capability, has reduced simultaneously jet velocity. This jet is difficult for being felt by the people. This pressure fan volume is little, in light weight and save very much the energy.
In the ventilating blower structure aspect the 6th of the present invention, in air outlet, be provided with the parallel multistage spout. In addition, the circular arc portion of baffle and air outlet has weakened the turbulence level in the air-flow of air outlet ejection greatly. Therefore the expansion of jet is restrained effectively, and has improved heat-insulating capability.
In the ventilating blower structure aspect the 7th of the present invention, can change flexibly on demand from the air draught flow pattern of pressure fan ejection, therefore, air curtain can form as required.
In the ventilating blower structure aspect the 8th of the present invention, use axial wheel to make the reducing noise of generation. Owing to be that several air-supply arrangements are formed a blowing unit abreast, so when blowing unit is installed, can determine by the size of installation site the size of the blowing unit that will assemble.
In the ventilating blower structure aspect the 9th of the present invention, utilize air-flow to adjust plate the air-flow in the shell is 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 having heaters or lighting device in the baffle. Therefore, this pressure fan becomes multi-functional pressure fan.
Claims (10)
1, a kind of pressure fan, comprise a shell, an impeller and a motor, one end of shell has an air inlet, the other end has an air outlet, and impeller and motor are positioned at described shell, is used for sucking air from described air inlet and also forcibly inhaled air is sent by described air outlet, the shape of wherein said air inlet is as loudspeaker, described impeller is arranged in this horn mouth, and shrink towards the center of described shell equably the bottom of described shell, thereby constituted described air outlet.
2, according to the pressure fan of claim 1, it is characterized in that also comprising the installing component that is used for the described shell of rotatably support, described installing component is arranged on the outer surface of described shell.
3,, it is characterized in that also comprising a movable blinds air door that is located in the described air outlet according to the pressure fan of claim 1.
4, according to the pressure fan of claim 1, it is characterized in that described air outlet has an X type end, it is by making described shell bottom and shrink equably gradually towards the center of described shell and this bottom fork being constituted.
5, a kind of pressure fan that comprises air-supply arrangement, this air-supply arrangement comprises a shell, an impeller and a motor, and baffle, one end of shell has an air inlet, the other end has an air outlet, and impeller and motor are positioned at described shell, is used for sucking air from described air inlet and also forcibly inhaled air is sent by described air outlet, baffle is set in the described air outlet, is used to constitute the parallel multistage spout.
6, according to the pressure fan of claim 5, feature is that described baffle is a cross section tubular part triangular in shape substantially, and this leg-of-mutton base is at described air-out oral-lateral, and the corner of described baffle is a circular arc, the bottom of described shell bends inwards, to form the arc bend bent portions.
7,, it is characterized in that described baffle is movable in described air outlet according to the pressure fan of claim 5.
8,, it is characterized in that the described impeller of described air-supply arrangement is an axial wheel, and several air-supply arrangements are arranged on abreast in the described shell according to the pressure fan of claim 5.
9, according to the pressure fan of claim 5, it is characterized in that also comprising one near the described impeller center and first air-flow between described air-supply arrangement and described air outlet adjust plate, and second air-flow adjustment plate of adjacent air-supply arrangement being separated and being located in the described shell.
10, according to the pressure fan of claim 5, it is characterized in that also being included in the described baffle with heater that covers or lighting device.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6019176A JP3013686B2 (en) | 1993-02-17 | 1994-02-16 | Blower |
| JP19176/94 | 1994-02-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1112219A true CN1112219A (en) | 1995-11-22 |
| CN1089884C 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) |
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| CN102168686A (en) * | 2010-02-26 | 2011-08-31 | 松下电器产业株式会社 | Impeller and pressure fan and air conditioner using the same |
| CN102230649A (en) * | 2011-07-11 | 2011-11-02 | 王如东 | Air-cooled heat pump unit |
| CN103953997A (en) * | 2014-05-12 | 2014-07-30 | 喻安义 | Portable air partitioning and generating device for doctor-patient separation |
| 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 |
| 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 |
| CN106062378A (en) * | 2014-02-21 | 2016-10-26 | 株式会社电装 | air supply device |
| CN106051911A (en) * | 2015-04-02 | 2016-10-26 | 松下知识产权经营株式会社 | Fan apparatus and ceiling-suspended air conditioning apparatus |
| CN106062380A (en) * | 2014-02-21 | 2016-10-26 | 株式会社电装 | Air supply device |
| CN106152345A (en) * | 2016-08-09 | 2016-11-23 | 西南科技大学 | A kind of natural, ecological air-conditioner |
| 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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| JPH0960942A (en) * | 1995-08-25 | 1997-03-04 | Mitsubishi Electric Corp | Blower |
| CN1314901C (en) * | 2003-05-14 | 2007-05-09 | 台达电子工业股份有限公司 | Axial flow fan |
| 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. |
| NL2004182C2 (en) * | 2009-02-02 | 2010-08-03 | Handelsmij Willy Deweerdt Bvba | INFLOW UNIT FOR GENERATING AN AIR WALL FOR DIVIDING THE AIR IN TWO SPACES. |
| 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 |
| EP2517909B1 (en) * | 2011-04-29 | 2014-05-14 | H.Opdam Management B.V. | An air curtain, and a vehicle provided with such an air curtain |
| 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 |
| BE1024272B1 (en) * | 2016-11-10 | 2018-01-10 | Philippe Damseaux | AIR CURTAIN WITH CALORIES RECOVERY |
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| DE1780316B2 (en) * | 1968-08-30 | 1972-01-27 | Horst Burger Kg, 8900 Augsburg | DRY FAN UNIT FOR VEHICLE WASHING SYSTEMS |
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- 1994-03-17 SG SG1996003858A patent/SG48931A1/en unknown
- 1994-03-17 GB GB9405230A patent/GB2286856B/en not_active Expired - Lifetime
- 1994-03-18 MY MYPI9400647 patent/MY122554A/en unknown
- 1994-03-18 CN CN 94104822 patent/CN1089884C/en not_active Expired - Lifetime
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102168686A (en) * | 2010-02-26 | 2011-08-31 | 松下电器产业株式会社 | Impeller and pressure fan and air conditioner using the same |
| CN102230649A (en) * | 2011-07-11 | 2011-11-02 | 王如东 | Air-cooled heat pump unit |
| CN106062380A (en) * | 2014-02-21 | 2016-10-26 | 株式会社电装 | Air supply device |
| CN106062380B (en) * | 2014-02-21 | 2021-05-04 | 株式会社电装 | Air supply device |
| CN106062378A (en) * | 2014-02-21 | 2016-10-26 | 株式会社电装 | air supply device |
| CN103953997A (en) * | 2014-05-12 | 2014-07-30 | 喻安义 | Portable air partitioning and generating device for doctor-patient separation |
| 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 |
| CN106051911A (en) * | 2015-04-02 | 2016-10-26 | 松下知识产权经营株式会社 | Fan apparatus and ceiling-suspended air conditioning apparatus |
| 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2286856B (en) | 1998-09-16 |
| GB2286856A (en) | 1995-08-30 |
| HK1009984A1 (en) | 1999-06-11 |
| CN1089884C (en) | 2002-08-28 |
| MY122554A (en) | 2006-04-29 |
| SG48931A1 (en) | 1998-05-18 |
| GB9405230D0 (en) | 1994-04-27 |
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Expiration termination date: 20140318 Granted publication date: 20020828 |