CN107829960A - Air curtain device - Google Patents
Air curtain device Download PDFInfo
- Publication number
- CN107829960A CN107829960A CN201710826257.6A CN201710826257A CN107829960A CN 107829960 A CN107829960 A CN 107829960A CN 201710826257 A CN201710826257 A CN 201710826257A CN 107829960 A CN107829960 A CN 107829960A
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- China
- Prior art keywords
- wall
- air curtain
- curtain device
- wind path
- fan
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially 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
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Curtains And Furnishings For Windows Or Doors (AREA)
Abstract
The present invention provides the air curtain device for the axial-flow fan mode for setting suction inlet and rejection to reduce in product upper surface.Air curtain device possesses：Framework, the front face side in upper surface are provided with suction inlet, and being horizontally disposed with lower surface has blow-off outlet, form exterior contour；Fan, rotated by axis center of central shaft；And wind path structure body, it is arranged in the wind path of blow-off outlet side of fan.Wind path structure body possesses in front face side：Tongue, there is the convex portion protruded than central shaft towards rear side and the recess positioned at surface side more forward than convex portion；And front vertical wall, set from the lower end of recess towards vertical lower section.In addition overleaf side possesses back face wall B (21), it is front side wall A (20) identical shape with forming the left and right scope at the both ends of top/bottom latitude from the upper end of recess to the lower end of front vertical wall and fan, back face wall B be set in parallel in front side wall A rear side and from front side wall A with side end before blow-off outlet and back side side end apart from the position of equidistance.
Description
Technical field
The present invention relates to air curtain device.
Background technology
In the past, air curtain device isolated extraneous gas using the air-flow of heavy curtain shape, so that indoor refrigeration and heating is cold
Gas or heat are difficult to escape, intrusion of the isolation dust from outside.Therefore, air curtain device makes in the gateway in food supply retail shop, dining room etc.
With.
The construction of conventional air curtain device is shown in Fig. 9, Figure 10.Herein, Fig. 9 is that the side of conventional air curtain device is cutd open
The synoptic diagram in face.Figure 10 is the three-dimensional synoptic diagram of conventional air curtain device.
Air curtain device shown in Fig. 9 has motor 101 and axial-flow fan 102.Main body is by being arranged at wall 103
The installation settings of installing plate 104 fixed in the back panel 105 of main body rear side.Axial-flow fan 102 is arranged at composition wind
Between the rear guide 106 and stabilizer 107 on road.The face side of main body is provided with suction panel 108, by forming the outer of main body
The exterior contour panel 109 of contouring is fixed.As shown in Figure 10, suction panel 108 is provided with multiple suction inlets 110.Work as electricity
When motivation 101 operates, axial-flow fan 102 rotates towards the direction of direction of rotation 111, from the suction inlet for being arranged at suction panel 108
110 flow into suction airflow 112.The suction airflow 112 of inflow flows along rear guide 106 and stabilizer 107, turns into heavy curtain
The blowout air-flow 113 of shape, sent out from the blow-off outlet 114 for the lower face side for being arranged at main body.
By said structure, the angle of suction inlet 110 and blow-off outlet 114 is made centered on the rotary shaft of axial-flow fan 102
Close to 90 °, the fan efficiency of axial-flow fan 102 is improved.(for example, referring to patent document 1).
Citation
Patent document
Patent document 1：Japanese Unexamined Patent Publication 5-312372 publications
Patent document 2：Japanese Unexamined Patent Publication 2001-116318 publications
The content of the invention
The invention problem to be solved
In such conventional air curtain device, although the fan efficiency of axial-flow fan is high, because long-term use of
Suction inlet accumulation dust etc., thus causes dirt to become obvious.Therefore, for hiding dust for being piled up in suction inlet etc., consider
The position of suction inlet is changed to merely the method for product upper surface, but blow out air-flow to become big relative to the angle of suction airflow
In 90 °, thus cause the fan efficiency of axial-flow fan to reduce.
That is, in order to improve the fan efficiency of axial-flow fan, preferably with respect to suction airflow will blowout air-flow be set to 90 ° with
Under.Therefore, in the case of suction inlet being set in upper surface, it is necessary to form wind in a manner of side forward is blown out as air conditioner
Road.But in the air curtain device towards the function of underface blowout wind is required, suction inlet is being arranged at product upper surface
In the case of, blowout air-flow can go above 90 ° relative to the angle of suction airflow, therefore the problem of fan efficiency reduction be present.
Conventional problem as present invention solution, its object is to provide a kind of to set suction inlet in upper surface to work as
The dirt of suction inlet will not become the air curtain device of reduction that is obvious while suppressing fan efficiency when long-term use of.
For solving the scheme of problem
The air curtain device of the present invention possesses：Framework, it forms exterior contour, and the front face side in upper surface is provided with suction
Mouthful, flatly it is provided with blow-off outlet in lower surface；Fan, its using be vertically disposed at framework two sides central shaft as in axle
The heart is rotated；And wind path structure body, it is arranged in the wind path of blow-off outlet side of fan.Wind path structure body is configured to,
The front face side of wind path structure body possesses：Tongue, it is with the convex portion protruded compared to central shaft towards rear side and positioned at compared to convex
The recess of the forward surface side in portion, it is configured in the range of convex portion and recess are arranged on untill the both ends of fan；And above
Vertical wall, it is set from the lower end of recess towards vertical lower section.In addition, the rear side in wind path structure body possesses and front side wall A
The back face wall B of same shape, front side wall A form the top/bottom latitude and fan from the upper end of recess to the lower end of front vertical wall
Both ends left and right scope, back face wall B is abreast arranged at front side wall A rear side, and is abreast arranged at from front side wall A
With side end before blow-off outlet and back side side end apart from the position of equidistance.Thus, it is possible to realize desired mesh
's.
Invention effect
Even if in accordance with the invention it is possible to provide in the case where the top surface side of product sets suction inlet, it can also suppress wind
The reduction of efficiency is fanned, and further improves the air curtain device of isolation effect.
Brief description of the drawings
Fig. 1 is the stereogram of the air curtain device involved by embodiment 1.
Fig. 2 is Fig. 1 line A-A sectional view.
Fig. 3 is the enlarged drawing at the position suitable with Fig. 2 B portions.
Fig. 4 is the enlarged drawing at the position suitable with Fig. 2 C portions.
Fig. 5 is Fig. 1 line A-A sectional view.
Fig. 6 is the stereogram of the air curtain device involved by embodiment 2.
Fig. 7 is Fig. 6 line D-D sectional view.
Fig. 8 is the enlarged drawing at the position suitable with Fig. 7 E portions.
Fig. 9 is the synoptic diagram of the side profile of conventional air curtain device.
Figure 10 is the three-dimensional synoptic diagram of conventional air curtain device.
Figure 11 is the synoptic diagram of the side profile of conventional other air curtain devices.
Description of reference numerals：
1st, 200,300 air curtain device
2 exterior contours
3rd, 307 suction inlet
3a back sides side end
Side end before 3b
3c intermediate points
4th, 308 blow-off outlet
4a back sides side end
Side end before 4b
5 fans
5a pivots
6th, 206 wind path structure body
6a, 206a, 304 stabilizers
Guide after 6b, 206b
7 frameworks
8 back panels
9 blow-off outlet panels
10 claws
11 central shafts
12 walls
13 wall installation panels
14 axial-flow fans
15a, 215a convex portion
15b, 215b recess
16a convex portions upper end
16b, 216b convex portion lower end
17a, 217a recess upper end
17b recesses lower end
18th, 218 tongue
19 front vertical walls
19b front vertical walls lower end
20th, 220 front side wall A
21st, 221 back face wall B
21a topmosts
22 stabilizer upper ends
23 straight line E
24 straight line F
25 back side vertical walls
Guide convex portion after 26
30 straight line X
31 straight line Y
32 intermediate points
33 angle X
34 angle Y
40 motors
51 angle E
52 distance E
53 distance F
54 angle F
101 motor
102 axial-flow fans
103 walls
104 installing plates
105 back panels
Guide after 106
107 stabilizers
108 suction panels
109 exterior contour panels
110 suction inlets
111 direction of rotation
112 suction airflows
113rd, 4c blows out air-flow
114 blow-off outlets
208th, 302 heater
223 distances.
Embodiment
Hereinafter, embodiments of the present invention are illustrated referring to the drawings, to help the understanding of the present invention.Need what is illustrated
It is that following embodiment is embody the present invention one, does not limit the technical scope of the present invention.In addition, in whole
In accompanying drawing, identical reference is marked to identical position and omits repeat specification.
(embodiment 1)
First, the Sketch of the air curtain device 1 involved by embodiment 1 is illustrated using Fig. 1, Fig. 2.Need
Bright, Fig. 1 is the stereogram of the air curtain device 1 involved by embodiment 1.Fig. 2 is Fig. 1 line A-A sectional view.
As shown in figure 1, air curtain device 1 is arranged at wall 12, possess exterior contour 2, fan 5 and wind path structure body 6.
Exterior contour 2 possesses for the framework 7 from the part built in outer protection, for air curtain device 1 to be arranged at into wall
The back panel 8 in face 12 and the blow-off outlet panel 9 in the gap for burying back panel 8 and blow-off outlet 4.In addition, forming
The framework 7 of exterior contour 2 is provided with suction inlet 3 and blow-off outlet 4.
As shown in Figure 1 and Figure 2, suction inlet 3 is arranged at the front face side of the upper surface of exterior contour 2.That is, suction inlet 3
It is arranged at the front face side of the upper surface of framework 7.Described front face side refers to the face side of air curtain device 1 herein.As shown in Fig. 2
The back side side end 3a of suction inlet 3 is configured at the 11 forward surface side of central shaft compared to the two sides for being vertically disposed at framework 7
Position.It should be noted that before suction inlet 3 side end 3b in order to ensure suction inlet 3 area and it is preferred that as far as possible be located at frame
The front face side of the upper surface of body 7.
As shown in Figure 1 and Figure 2, blow-off outlet 4 horizontally be arranged at the lower surface of exterior contour 2.Electricity that is, the water of blow-off outlet 4
Level land is arranged at the lower surface of framework 7.Described level means the level relative to vertical herein.Specifically, in air curtain
Under the setting state of device 1, the direction that blowout air-flow 4c is blown is vertical.Vertically intersect relative to the vertical
Plane be blow-off outlet 4.This is in order that from the blowout air-flow 4c that blow-off outlet 4 is sent out relative to the wall for setting air curtain device 1
12 abreast blow out.
Framework 7 is shaped by ABS resin, is formed as the upper surface of covering product, front, lower surface, the box shape of two sides
Shape.Framework 7 is formed using different parts with the reason for blow-off outlet panel 9 to be, is prevented when opening in the setting blow-off outlet 4 of framework 7
In the case of oral area, turn into undercut portions relative to the stripping direction opening portion of mould and cause the increase of Mold Making expense.
Back panel 8 is by metal forming.In addition, overleaf panel 8 is provided with for hooking in wall installation panel 13
The claw 10 in the hole of setting, the wall installation panel 13 are fixed on wall 12.Framework 7, blow-off outlet panel 9 by screw threads for fastening and
It is fixed on back panel 8.
Fan 5 is rotated with being vertically disposed at the central shaft 11 of two surface sides of exterior contour 2 for pivot 5a.
In present embodiment, fan 5 is the through-flow wind that wind can be equably blown out along the width (left and right directions) of air curtain device 1
Fan 14.It should be noted that as fan 5, the fan of the impeller shapes such as Sirocco fan can also be used.
As shown in figure 1, motor 40 is configured at the center of the left and right directions of exterior contour 2, powered by power line.Motor 40
It is the two axle motors in both sides with axle, relative to axial-flow fan 14 of the axis connection of left and right as fan 5.Motor 40 have with
The consistent rotary shaft of central shaft 11, axial-flow fan 14 is driven by the rotation of rotary shaft.
When present dynasty's motor 40 puts into power supply, axial-flow fan 14 is rotated, and air is flowed into exterior contour 2 from suction inlet 3
Portion.Be formed as leaked-in air by the inner side of wind path structure body 6 from blow-off outlet 4 towards the structure of the namely outside submitting in underface
Make.
Wind path structure body 6 is arranged in the wind path of the side of blow-off outlet 4 of axial-flow fan 14.Using Fig. 3 to wind path structure body 6
Details illustrates.Fig. 3 is the enlarged drawing at the position suitable with Fig. 2 B portions.
As shown in figure 3, wind path structure body 6 is made up of stabilizer 6a and rear guide 6b.Stabilizer 6a have make air-flow
The stable function of flowing.Guide 6b has the stream for guiding air-flow towards blow-off outlet 4 in the side of blow-off outlet 4 of axial-flow fan 14 afterwards
Dynamic function.Stabilizer 6a is configured at the front face side of wind path structure body 6, and rear guide 6b is configured at rear side.
Stabilizer 6a has：Compared to central shaft 11 towards rear side protrusion, strictly speaking compared to the vertical through central shaft 11
Face the convex portion 15a of rear side protrusion；And positioned at the recess 15b compared to the forward surface sides of convex portion 15a.Herein, convex portion 15a with it is recessed
Portion 15b is smoothly connected.That is, convex portion 15a convex portion lower end 16b is consistent with recess upper end 17a.In addition, convex portion lower end 16b's cuts
The tangent line of line and recess upper end 17a is located along the same line.In addition, convex portion lower end 16b (recess upper end 17a) is to link convex portion
The R of 15a lower end side end and the midpoint of the straight line of the R of recess 15b upper end side end.Stabilizer 6a is from convex portion upper end
16a extends towards front face side.Herein, convex portion upper end 16a is the vertical straight line and wind path drawn from central shaft 11 towards vertical lower section
The position that upper lateral part intersects before structure 6 (stabilizer 6a).
Convex portion 15a and recess 15b is configured in the range of being arranged on untill the both ends of axial-flow fan 14, calls it as
Tongue 18.
Set from the R of recess 15b lower end side end that is, recess lower end 17b along vertical to exterior contour 2
There is front vertical wall 19.
Secondly, the stabilizer 6a and the details of rear guide 6b shape of wind path structure body 6 are said using Fig. 4
It is bright.Fig. 4 is the enlarged drawing at the position suitable with Fig. 2 C portions.
Axial-flow fan 14 is provided with convex portion in the rear guide 6b of the rear side positioned at wind path structure body 6 upper end side
Shape.Call it as rear guide convex portion 26.Guide 6b connects with rear guide convex portion 26 afterwards.Herein, through-flow wind will be linked
The central shaft 11 of fan 14 and the straight line on the summit of rear guide convex portion 26 are set to straight line E 23.In addition, by straight line E 23 with passing through
The angle of upper surface side is set to angle E 51 formed by the vertical straight line of central shaft 11.Also, by the through-flow wind on straight line E 23
The outer peripheral edge of fan 14 is set to distance E 52 with the distance of rear guide convex portion 26.In this case, angle E 51 is 15 °~25 °
Scope and distance E 52 be 3~7mm improve air curtain device 1 fan performance in terms of be preferable.Also, later guide
Convex portion 26 is border, the distance from rear guide convex portion 26 towards suction inlet 3 and central shaft 11 and rear guide 6b surface by
Flaring is big.Similarly, later guide convex portion 26 is border, from rear guide convex portion 26 towards blow-off outlet 4 and central shaft 11 with
The distance on guide 6b surface gradually expands afterwards.Guide 6b has the back side of guide 6b after composition towards blow-off outlet 4 afterwards
Wall B 21.Back face wall B 21 upper end is connected with the rear guide 6b in addition to back face wall B 21 with R shapes.For back face wall
B 21 details will be aftermentioned.
Stabilizer 6a upper end extends from convex portion upper end 16a towards front face side.Stabilizer 6a apart from central shaft 11
The distance on surface be gradually reduced using the most back position of tongue 18 as starting point with tending to upper side and front face side.Herein,
The upper end for linking stabilizer 6a that is, stabilizer upper end 22 and the straight line of central shaft 11 are set to straight line F 24.In addition, by straight line F
The outer peripheral edge of axial-flow fan 14 on 24 is set to distance F 53 with the distance of stabilizer upper end 22.Also, by straight line E 23 and directly
Angle before line F 24 is formed is set to angle F 54.In this case, distance F 53 is 3~7mm and angle F 54 is
170 °~190 ° of scope is preferable in terms of the fan performance of air curtain device 1 is improved.By angle F 54 be set in 170 °~
The reason between 190 °, is, for axial-flow fan 14, reduces the difference of the air quantity and blowout air quantity of suction, makes the flowing in wind path
It is stable.
Rear guide 6b lower end side is provided with the back face wall B 21 with the same shapes of front side wall A 20, front side wall A
20 are formed from recess 15b upper end that is, recess upper end 17a to the lower end of front vertical wall 19 that is, front vertical wall lower end 19b
Top/bottom latitude and the both ends of axial-flow fan 14 left and right scope.Back face wall B 21 is abreast arranged at front side wall A 20 back side
Side, and be abreast arranged at from front side wall A 20 with side end 4b before blow-off outlet 4 (with front vertical wall lower end 19b
Identical position) and back side side end 4a apart from the position of equidistance.That is, front side wall A 20 and back face wall B 21
There is the parallel position relationship of same shape and face in the range of untill the both ends of axial-flow fan 14.
In said structure, from the air-flow that suction inlet 3 flows into after being boosted by axial-flow fan 14 and wind path structure body 6,
Before blow-off outlet 4 is blown out along vertical, turn into temporarily towards the flowing of front face side.I.e. it is capable to axial-flow fan
Centered on 14 central shaft 11, make from suction inlet 3 to the angle of the air-flow of blow-off outlet 4 close to 90 °.Therefore, it is possible to improve through-flow
The fan efficiency of fan 14.In addition, wind path structure body 6 be provided with it is that the flowing towards front face side is inclined to towards vertical,
The line part being made up of front vertical wall 19 and back side vertical wall 25 opposed therewith.Therefore, it is possible to improve blowout air-flow 4c's
Rectilinear propagation, it is possible to increase the performance as air curtain device 1.
Thus, even if setting suction inlet 3 in upper surface side, can also suppress the performance of air curtain device 1 reduces.Namely
Say, even if setting suction inlet 3 in upper surface side, can also suppress the reduction of the fan efficiency of air curtain device 1.
In addition, as shown in Figure 3, Figure 4, front side wall A 20, which is configured at, to be compared through the forward surface side of vertical guide of central shaft 11
Position.Thereby, it is possible to make from suction inlet 3 to the angle of the air-flow of blow-off outlet 4 close to 90 °, it is possible to increase the property of axial-flow fan 14
Energy.
If leaned on it should be noted that the front vertical wall 19 included by front side wall A 20 is configured at compared to central shaft 11
The position of front face side, then it can expect identical effect.
Secondly, the shape of wind path structure body 6 is illustrated using Fig. 5.Herein, Fig. 5 is Fig. 1 line A-A sectional view.
With closest to the rear side of the wind path structure body 6 of suction inlet 3, i.e. after guide convex portion 26 be starting point to back face wall B
The distance at a distance of central shaft 11 untill 21 topmost 21a gradually expands.That is, be formed as from rear guide convex portion 26 to the back side
The wall B 21 topmost 21a construction gradually expanded at a distance of the distance of central shaft 11.Thereby, it is possible to axial-flow fan 14 with after
Air-flow is set fully to boost between guide 6b.Furthermore it is possible to suppress the increasing of the pressure loss caused by the diminution of wind path
Add.
In addition, the straight line for linking intermediate point 3c and central shaft 11 under side view is set into straight line X 30, intermediate point 3c is suction
Side end 3b and the back side side end 3a intermediate point before entrance 3.In addition, intermediate point 32 and central shaft 11 will be linked under side view
Straight line be set to straight line Y 31, the intermediate point 32 is upper end (i.e. recess upper end 17a) and the back face wall B for linking front side wall A 20
The intermediate point of 21 topmost 21a straight line.Herein, the angle X of straight line X 30 and straight line Y 31 front face sides intersected and formed
33 with angle that the angle Y 34 of rear side is air-flow.As shown in figure 5, in the present embodiment, be formed as the angle Y of rear side
34 are more than the angle X 33 of front face side structure (the ＜ angles Y 34 of angle X 33).Thereby, it is possible to make the angle more adjunction of air-flow
Nearly 90 °, also, because axial-flow fan 14 is towards rear side movement, so the performance of axial-flow fan 14 can be improved, and suppress product
Thickness, reduce size.
(embodiment 2)
Secondly, the air curtain device involved by embodiment 2 is illustrated.
Air curtain device isolates extraneous gas using the air-flow of heavy curtain shape, so that the cold air or heat of indoor refrigeration and heating
It is difficult to escape, and isolates intrusion of the dust from outside, therefore, is used in the gateway in food supply retail shop, dining room etc..In addition, in gas
In proscenia, in the winter time, in cold district in the case of use, in order to reduce cold wind sense when air-flow meets people, exist nickel
The heaters such as chromium silk heater, sheathed heater, ceramic heater are arranged at the situation of interiors of products.Thus, to the sky of suction
Gas is heated.
As the conventional air curtain device with heater, it is known to by the way that the frame for installing the clathrate of having heaters is set
The air curtain device of air is heated in blowout wind path.(for example, referring to patent document 2).
Hereinafter, reference picture 11 illustrates to the conventional air curtain device with heater.
Figure 11 is the synoptic diagram of the side profile of conventional other air curtain devices with heater.As shown in figure 11, with
The past air curtain device 300 with heater has electric blower 301 and heater 302.Electric blower 301 is arranged at structure
Into between the guiding wall 303 and stabilizer 304 of wind path.Heater 302 is by ribbon heater 309 and the blowout wind path frame 305 of clathrate
Form.Ribbon heater 309 is kept by blowout wind path frame 305.Wind path frame 305 is blown out to be connected with guiding wall 303 and stabilizer 304
Mode is fixed.When electric blower 301 operates, air is flowed into from the suction inlet 307 for being arranged at front panel 306.Flow into
Air flows along guiding wall 303 and stabilizer 304, after being heated by heater 302, turns into the air-flow of heavy curtain shape, from blowout
Mouth 308 is sent out.
In such conventional air curtain device 300 with heater, dust etc. is accumulated in the upstream side of heater 302
Foreign matter.Thus the pressure loss is produced, it is therefore desirable to periodically the upstream side of heater 302, especially heater 302 is carried out clearly
Sweep, safeguard.When being safeguarded, because blowout wind path is covered by front panel 306, so after front panel 306 is unloaded,
Also blowout wind path frame 305 that is, stabilizer 304 are unloaded.But when unloading stabilizer 304, heater 302 exposes, and hand be present
Encounter the situation of the charging part of heater 302.
Therefore, the purpose of the air curtain device involved by embodiment 2 is to provide following air curtain device, is covered by setting
The front face side of lid heater and stop with the front side wall of the contact of heater and be arranged in a manner of it can independently dismount
The tongue of the upstream side of front side wall, improve security when safeguarding.
First, the Sketch of the air curtain device 200 involved by embodiment 2 is illustrated using Fig. 6, Fig. 7.Need
Illustrate, Fig. 6 is the stereogram of the air curtain device involved by embodiment 2.Fig. 7 is Fig. 6 line D-D sectional view.
As shown in fig. 6, the basic structure of the air curtain device 200 involved by embodiment 2 and the gas involved by embodiment 1
Proscenia 1 is identical.Thus, for the incomplete structure explanation common with the air curtain device 1 involved by embodiment 1.Such as Fig. 6 institutes
Show, air curtain device 200 is arranged at wall 12, possesses exterior contour 2, fan 5, wind path structure body 206 and heater 208.
Exterior contour 2 and fan 5 be with the identical structure of air curtain device 1 involved by embodiment 1, therefore omit and say
It is bright.
As shown in Figure 6, Figure 7, heater 208 is configured at the upstream of blow-off outlet 4 in the wind path of downstream.That is, heating
Device 208 is arranged between front side wall A 220 and back face wall B 221.It should be noted that the end of downstream side of heater 208 is matched somebody with somebody
It is placed near blow-off outlet 4.That is, downstream configuration of the heater 208 in the wind path of downstream.Heater 208 is rectangle shape
Shape, in order to reduce relative to from axial-flow fan 14 towards the air of blow-off outlet 4 flowing the pressure loss, from air curtain device 200
The upstream face of heater 208 during setting is provided with wind path towards lower surface.Heater 208 is generated heat by power supply, is thus existed
Wind path in heater 208 heats to the air discharged via downstream wind path 211 from blow-off outlet 4.
In air curtain device 200, when putting into power supply to motor 40, axial-flow fan 14 rotates.Pass through the rotation of axial-flow fan 14
Turn, from suction inlet 3 outwardly contouring 2 inside flow into air.Leaked-in air is by the inner side of downstream wind path 211, by adding
After hot device 208 heats, sent out from blow-off outlet 4 towards underface.
Then, wind path structure body 206 is illustrated using Fig. 8.Set in the wind path of the side of blow-off outlet 4 of axial-flow fan 14
It is equipped with wind path structure body 206.Fig. 8 is the enlarged drawing at the position suitable with Fig. 7 E portions.
Wind path structure body 206 is arranged between the downstream of axial-flow fan 14 and blow-off outlet 4, and there is the flowing to air to enter
The function that row is guided and made it stable.Wind path structure body 206 is arranged in the range of untill the both ends of air curtain device 200
With 40 corresponding position of motor, the lower section of namely motor 40.Wind path structure body 206 is by stabilizer 206a and rear guide
206b is formed.
Stabilizer 206a is arranged at front face side in wind path structure body 206.Stabilizer 206a possesses tongue 218 and above
Wall A220.
Front side wall A220 covers the front face side of heater 208 and stops the contact with heater 208.
Tongue 218 is arranged at front side wall A 220 upstream in a manner of it can independently be dismounted relative to front side wall A 220
Side.Assembly and disassembly methods for example pass through the fixed progress based on screw.Tongue 218, which has, compares pivot 5a that is, the court of central shaft 11
Rear side, strictly speaking compared to the convex portion 215a that is protruded through the vertical guide of central shaft 11 towards rear side and positioned at compared to convex
The recess 215b of the forward surface sides of portion 215a.Herein, convex portion 215a is smoothly connected with recess 215b.That is, convex portion 215a convex portion
Lower end 216b is consistent with recess upper end 217a, and convex portion lower end 216b tangent line is located at same straight line with recess upper end 217a tangent line
On.
Front side wall A 220 is set to exterior contour 2 from convex portion 215a convex portion lower end 216b along vertical.Front side wall
The model that the distance that is, distance 223 of A 220 upper end that is, front side wall upper end 222 and the epimere of heater 208 are 5mm~8mm
It is preferable in terms of being trapped among the maintenance security for improving air curtain device 200.Between distance 223 is set in into 5mm~8mm,
Front side wall A 220 is formed as being completely covered the construction in the face 224 before heater.Thus, safeguarded when using dust catcher etc.
When, suppress charging part of the hand directly with heater 208 and contact, can simply carry out dust suction.In addition, it may have when unloading tongue
Suppression is piled up in the effect dispersed of the dust of the upstream face of heater 208 when 218.
Tongue 218 is shaped by ABS resin, is arranged at the upstream side of heater 208.Tongue is formed by using different parts
218 with front side wall A 220, without unloading front side wall A 220, that is to say, that without showing out the panel side of heater 208,
Just the maintenance of heater 208 can be carried out.In addition, in the case where making tongue 218 integrated with front side wall A 220, material is
Sheet metal, thus cause fee of material to increase, but can then prevent fee of material from increasing by being formed as different parts.
Heater 208 is rectangular shape, by by with the long side of heater 208, it is i.e. above opposed in a manner of set
Tongue 218, after tongue 218 is unloaded, easily visually confirm the entirety of heater 208.
As described above, by setting the tongue 218 that can be dismounted relative to front side wall A 220, when progress heater 208
When safeguarding, the maintenance that just can carry out the upstream face of heater 208 without unloading front side wall A 220.I.e. it is capable to prevent
Hand encounters the charging part positioned at the inside of blow-off outlet 4 or neighbouring heater 208, even if in just heating post-heater 208 still
Safeguarded when not cooling down completely, also can safely carry out operation.
In addition, tongue 218 before framework 7 with being opposed to set.In addition, tongue 218 be formed as by unload lower frame body 7 and
The construction exposed.Thus, after lower frame body 7 is unloaded, heater 208 can just only be safeguarded by unloading tongue 218.
So, air curtain device 200 involved according to the embodiment of the present invention, it is possible to increase maintainability, also can be true
Protect security when safeguarding.
Herein, in the present embodiment, suction inlet 3 is configured at the upstream face of product, therefore easily suction is fallen from above
Waste.Therefore, the security Indeed when raising and maintenance of the maintainability of present embodiment, which are protected, becomes more efficient.
In addition, in the present embodiment, the combination of a motor 40 and two fans 5 is carried in a product, but for example
A fan 5, two or more motor 40 etc. are carried, no matter the number of combinations of motor 40 and fan 5, can be obtained identical
Effect.Have that number of combinations (number of number × fan 5 of motor 40) is more, then the quantity of heater 208 is also more
Trend, but the quantity of heater 208 is more, and the maintenance security more contributed in the wind path of the present invention improves.
It should be noted that in the present embodiment, heater 208, which utilizes, has used the PTC of PTC thermistor to heat
Device.Ptc heater is preferable from the viewpoint of the secure context of temperature rising saturated characteristic and low consumption electrification, but
The heaters such as nickel filament heater, sheathed heater can be used.PTC refers to positive temperature coefficient (Positive
Temperature Coefficient)。
Industrial applicability
The air curtain device of the present invention is in addition to the isolation purpose applied to the extraneous gas of building entrance, additionally it is possible to logical
Cross the conversion to the blast apparatus for being built-in with axial-flow fan and be applied to circulator purposes as stirring room air etc..
Claims (8)
1. a kind of air curtain device, wherein,
The air curtain device possesses：
Framework, it forms exterior contour, and the front face side in upper surface is provided with suction inlet, is flatly provided with and blows in lower surface
Outlet；
Fan, it is rotated using the central shaft for being vertically disposed at the two sides of the framework as axis center；And
Wind path structure body, it is arranged in the wind path of blow-off outlet side of the fan,
The wind path structure body is configured to,
Possess in the front face side of the wind path structure body：
Tongue, it is with the convex portion protruded compared to the central shaft towards rear side and positioned at compared to the forward surface side in the convex portion
Recess, be configured in the range of the convex portion and the recess are arranged on untill the both ends of the fan；And
Front vertical wall, it is set from the lower end of the recess towards vertical lower section,
Possess the back face wall B with front side wall A same shapes in the rear side of the wind path structure body, the front side wall A form from
The upper end of the recess to the lower end of the front vertical wall top/bottom latitude and the fan both ends left and right scope, it is described
Back face wall B is abreast arranged at the rear side of the front side wall A, and be abreast arranged at from the front side wall A with it is described
Side end and back side side end apart from the position of equidistance before blow-off outlet.
2. air curtain device according to claim 1, wherein,
The front side wall A is configured at the position that surface side is located further forward compared to the central shaft.
3. air curtain device according to claim 1, wherein,
Rear side using the wind path structure body closest to the suction inlet is starting point untill the topmost of the back face wall B
The distance away from the central shaft gradually expand.
4. air curtain device according to claim 1, wherein,
For the straight line X and straight line Y angles of front face side intersected and formed and the angle of rear side, the angle of the rear side
Degree is more than the angle of the front face side, and straight line X is under side view by side end before the suction inlet and back side side end
Intermediate point and the central shaft link, and straight line Y is under side view by the upper of the upper end of the front side wall A and the back face wall B
The intermediate point of end links with the central shaft.
5. air curtain device according to claim 1, wherein,
Possess the heater heated to air between the front side wall A and the back face wall B,
The front side wall A covers the front face side of the heater and stops the contact with the heater,
The tongue is arranged at the upstream side of the front side wall A in a manner of it can independently be dismounted relative to the front side wall A.
6. air curtain device according to claim 5, wherein,
By unloading the tongue, do not make the showing out for front face side of the heater and make the upstream face of the heater
Expose.
7. air curtain device according to claim 5, wherein,
The tongue is unloaded to expose by the framework.
8. air curtain device according to claim 5, wherein,
The tongue before the framework with being opposed to set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011235773.XA CN112360778A (en) | 2016-09-16 | 2017-09-13 | Air curtain device |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016181082A JP6738999B2 (en) | 2016-09-16 | 2016-09-16 | Air curtain device |
| JP2016-181082 | 2016-09-16 | ||
| JP2016-238069 | 2016-12-08 | ||
| JP2016238069A JP6782398B2 (en) | 2016-12-08 | 2016-12-08 | Air curtain device |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011235773.XA Division CN112360778A (en) | 2016-09-16 | 2017-09-13 | Air curtain device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107829960A true CN107829960A (en) | 2018-03-23 |
| CN107829960B CN107829960B (en) | 2020-11-27 |
Family
ID=61643843
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011235773.XA Pending CN112360778A (en) | 2016-09-16 | 2017-09-13 | Air curtain device |
| CN201710826257.6A Active CN107829960B (en) | 2016-09-16 | 2017-09-13 | Air curtain device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011235773.XA Pending CN112360778A (en) | 2016-09-16 | 2017-09-13 | Air curtain device |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN112360778A (en) |
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| JP6471351B2 (en) * | 2015-01-28 | 2019-02-20 | パナソニックＩｐマネジメント株式会社 | Air curtain with heater |
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| JP3386020B2 (en) * | 1999-10-29 | 2003-03-10 | ダイキン工業株式会社 | Air conditioner |
| JP3764442B2 (en) * | 2002-09-05 | 2006-04-05 | 三菱電機株式会社 | Stabilizers for air conditioners, cross-flow fans and cross-flow fans |
| CN201621788U (en) * | 2010-03-30 | 2010-11-03 | 珠海格力电器股份有限公司 | Cabinet air conditioner |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107829960B (en) | 2020-11-27 |
| CN112360778A (en) | 2021-02-12 |
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Application publication date: 20180323 Assignee: PANASONIC ECOLOGY SYSTEMS GUANGDONG Co.,Ltd. Assignor: MATSUSHITA ECOLOGY SYSTEMS CO.,LTD. Contract record no.: X2023990000601 Denomination of invention: Air curtain device Granted publication date: 20201127 License type: Common License Record date: 20230609 |