CN106795890A

CN106795890A - Fan guard and air-supply arrangement

Info

Publication number: CN106795890A
Application number: CN201680002222.4A
Authority: CN
Inventors: 公文由衣; 大塚雅生
Original assignee: Sharp Corp
Current assignee: Sharp Corp
Priority date: 2015-01-26
Filing date: 2016-01-12
Publication date: 2017-05-31
Also published as: JPWO2016121485A1; WO2016121485A1; JP6333416B2

Abstract

Fan guard (10) possesses inside portion (11), outer frame (12) and protection portion (13).Protection portion (13) includes：Multiple 1st frameworks (14), it forms arrangement in the circumferential and multiple 1st open areas (R10A~R10E) for being surrounded around inside portion with ring-type on the whole；And multiple 1st wire ribs (15), it is configured in each the 1st open area (R10A~R10E), to divide each the 1st open area in the way of set.In the case where the 1st the 1st open area and 2nd 1st open area adjacent with the 1st the 1st open area is watched, divide the 1st multiple 1st wire ribs (15) of the 1st open area be configured to the multiple 1st wire ribs (15) for dividing the 2nd the 1st open area it is continuous or mutually discontinuous in the form of bending.Fan guard (10) can be by the direction of the air-flow blown out by open area by multiple open areas each set.

Description

Fan guard and air-supply arrangement

Technical field

The present invention relates to the fan guard for being used to protect fan and the air-supply arrangement for possessing this fan guard.

Background technology

The air-supply arrangements such as electric fan, circulator, air-conditioner outdoor unit possess fan.In order to prevent finger etc. from being contacted with fan, Fan guard to cover fan in the way of configure.In the following description, fan guard means to be covered with from face side The part that the mode of fan is configured, divides into fan guard and the back side crosswind configured in the way of from rear side covering fan Fan protective cover.It is in the past known that there is variously-shaped fan guard.

Fan guard 10Z1 shown in Figure 43 possesses inside portion 11, outer frame 12 and protection portion 13.Protection portion 13 includes Multiple frameworks 14 and multiple wire ribs 15.Inside portion 11 has the discoid shape being closed, and outer frame 12 has annular shape Shape.Multiple frameworks 14 have centered on inside portion 11 with the shape of radial extension, and 30 ° of interval is separated in the circumferential Configuration.Multiple wire ribs 15 are configured to concentric circles on the whole, will be formed in the space between adjacent framework 14 be divided into it is many Individual open area.

The protection portion 13 of the fan guard 10Z2 shown in Figure 44 only includes multiple frameworks 14.Each tool of multiple frameworks 14 There is rectilinear form, radial extension is pressed centered on inside portion 11.The protection portion 13 of the fan guard 10Z3 shown in Figure 45 Only include multiple frameworks 14.Multiple frameworks 14 have curve shape, are extended towards outer frame 12 centered on inside portion 11.

The protection portion 13 of the fan guard 10Z4 shown in Figure 46 also only includes multiple frameworks 14.Multiple frameworks 14 have to The shape of the direction bending opposite with the situation of fan guard 10Z3 (Figure 45).The guarantor of the fan guard 10Z5 shown in Figure 47 Shield portion 13 includes multiple frameworks 14 and multiple wire ribs 15.Multiple wire ribs 15 generally form 1 circle.

The protection portion 13 of the fan guard 10Z6 shown in Figure 48 only includes multiple wire ribs 15.Multiple wire ribs 15 have Rectilinear form, is configured with clathrate.In addition to these contents, it is known that special permission No. 4721854 publications (patent document 1) and JP Fan guard disclosed in 2013-185533 publications (patent document 2).

Prior art literature

Patent document

Patent document 1：(Japan) speciallys permit No. 4721854 publications

Patent document 2：(Japan) JP 2013-185533 publications

The content of the invention

Problems to be solved by the invention

In conventional fan guard, between inside portion and outer frame, clathrate, radial or concentric is only configured with The framework or rib with simple shape such as round shape.Region division between inside portion and outer frame is only by these frameworks or rib Multiple open areas with simple shape, identical air-flow is flowed out from each region.

Multiple openings are formed it is an object of the invention to provide by the region divided between inside portion and outer frame The framework in region or rib in shape using specific composition, so as to the direction of air-flow that will be blown out by open area by many Each fan guard for being set of individual open area and the air-supply arrangement for possessing this fan guard.

The scheme for solving problem

It is used to protect fan based on fan guard of the invention, possesses：Outer frame；Inside portion, it is configured at above-mentioned outer The inner side of frame portion；And protection portion, it is arranged between above-mentioned outer frame and above-mentioned inside portion, and above-mentioned protection portion includes：It is multiple 1st framework, it passes through to divide the region between above-mentioned outer frame and above-mentioned inside portion, and is formed and arrange in the circumferential and in entirety On multiple 1st open areas for being surrounded around above-mentioned inside portion with ring-type；And multiple 1st wire ribs, it is configured at each In above-mentioned 1st open area, to divide each above-mentioned 1st open area in the way of set, viewing the 1st it is above-mentioned 1st opening In the case of region and the 2nd above-mentioned 1st open area adjacent with the 1st above-mentioned 1st open area, divide the 1st it is above-mentioned The multiple above-mentioned 1st wire rib of the 2nd above-mentioned 1st open area of multiple above-mentioned 1st wire rib and division of the 1st open area is matched somebody with somebody It is set to continuous in the form of bending or mutually discontinuous.

It is preferred that each of multiple above-mentioned 1st frameworks has the circular arc for the part for including circle, it is multiple above-mentioned with constituting The multiple above-mentioned circular arc of the 1st framework is one-to-one above-mentioned circular to be centrally disposed in mutually different position.

Multiple above-mentioned 1st wire rib of the preferred disposition in 1 above-mentioned 1st open area is arranged with concentric circles.

It is preferred that the center of the concentric circles of the position of the multiple above-mentioned 1st wire ribs of regulation is the center with above-mentioned inside portion The different position in position.

Multiple above-mentioned 1st wire rib of the preferred disposition in 1 above-mentioned 1st open area concentric circles radially with etc. Interval configuration.

It is preferred that above-mentioned 1st wire rib has an end and another end in the circumference centered on above-mentioned inside portion Portion, the distance between the end and the center of above-mentioned inside portion by above-mentioned 1st wire rib is set to L1, by above-mentioned In the case that the distance between another end of 1 wire rib and center of above-mentioned inside portion are set to L2, in whole State for the 1st wire rib, the relation of L1 ＞ L2 is set up.

It is preferred that above-mentioned 1st wire rib has an end and another end in the circumference centered on above-mentioned inside portion Portion, the distance between the end and the center of above-mentioned inside portion by above-mentioned 1st wire rib is set to LA, by above-mentioned In the case that the distance between another end of 1 wire rib and center of above-mentioned inside portion are set to LB, possess LA ＞ LB Relation multiple above-mentioned 1st wire rib be arranged at inner side above-mentioned 1st open area and the relation for possessing LB ＞ LA multiple Above-mentioned 1st open area that above-mentioned 1st wire rib is arranged at inner side is alternately arranged in the circumferential.

It is preferred that an end of above-mentioned 1st framework is located on the periphery of above-mentioned inside portion, another end of above-mentioned 1st framework Portion is located on above-mentioned outer frame.

It is preferred that in the case where the rear side towards said fans projects above-mentioned protection portion vertically, above-mentioned protection portion Projected image has the part Chong Die with the protection portion of the rear side fan guard of the rear side for being configured at said fans.

Fan is possessed and based on above-mentioned fan guard of the invention based on air-supply arrangement of the invention.

It is preferred that above-mentioned air-supply arrangement is also equipped with casing, above-mentioned casing has the ventilating opening of circular, receives above-mentioned wind Fan, the outer shape of the above-mentioned outer frame of said fans protective cover is bigger than above-mentioned ventilating opening, and said fans protective cover is with from above-mentioned The mode of the above-mentioned ventilating opening of outer side covers of casing is configured.

It is preferred that above-mentioned outer frame has the outer shape of rectangle.

Invention effect

In above-mentioned composition, the multiple wire ribs (the 1st wire rib) for dividing 2 adjacent the 1st open areas are configured to It is continuous or mutually discontinuous in the form of bending.Fan guard is applied to by by this thought, can be by the 1st opening The direction of the air-flow of region blowout is set by each of multiple 1st open areas.

Brief description of the drawings

Fig. 1 is the front view represented after a part for the air-supply arrangement of implementation method 1 is decomposed.

Fig. 2 is the side view represented after a part for the air-supply arrangement of implementation method 1 is decomposed.

Fig. 3 is the front view of the fan guard for representing implementation method 1.

Fig. 4 is the 1st front view of a part for the fan guard for representing implementation method 1, is for illustrating multiple frameworks The figure of the composition of (the 1st framework).

Fig. 5 is the 2nd front view of a part for the fan guard for representing implementation method 1, is for illustrating multiple frameworks The figure of the composition of (the 1st framework).

Fig. 6 is the 3rd front view of a part for the fan guard for representing implementation method 1, is for illustrating multiple frameworks The figure of the composition of (the 1st framework).

Fig. 7 is the 4th front view of a part for the fan guard for representing implementation method 1, is for illustrating multiple wire The figure of the composition of rib (the 1st wire rib).

Fig. 8 is the 5th front view of a part for the fan guard for representing implementation method 1, is for illustrating multiple wire The figure of the composition of rib (the 1st wire rib).

Fig. 9 is the 6th front view of a part for the fan guard for representing implementation method 1, is for illustrating multiple frameworks The figure of the composition of (the 2nd framework).

Figure 10 is the 7th front view of a part for the fan guard for representing implementation method 1, is for illustrating multiple frameworks The figure of the composition of (the 2nd framework).

Figure 11 is the 8th front view of a part for the fan guard for representing implementation method 1, is for illustrating multiple wire The figure of the composition of rib (the 2nd wire rib).

Figure 12 is the 9th front view of a part for the fan guard for representing implementation method 1, is for illustrating multiple wire The figure of the composition of rib (the 2nd wire rib).

Figure 13 is the 10th front view of a part for the fan guard for representing implementation method 1.

Figure 14 is the 11st front view of a part for the fan guard for representing implementation method 1, is for illustrating multiple lines The figure of the composition of shape rib (the 3rd wire rib).

Figure 15 is the 12nd front view of a part for the fan guard for representing implementation method 1, is for illustrating multiple lines The figure of the composition of shape rib (the 3rd wire rib).

Figure 16 is the 13rd front view of a part for the fan guard for representing implementation method 1.

Figure 17 is the front view of a part for the fan guard for representing implementation method 2.

Figure 18 is the front view of the fan guard for representing implementation method 3.

Figure 19 is the front view of the fan guard for representing implementation method 4.

Figure 20 is the front view of the fan guard for representing implementation method 5.

Figure 21 is the front view of the fan guard for representing implementation method 6.

Figure 22 is the front view of the fan guard for representing implementation method 7.

Figure 23 is the front view of the fan guard for representing implementation method 8.

Figure 24 is the front view of the fan guard for representing implementation method 9.

Figure 25 is the front view of the fan guard for representing implementation method 10.

Figure 26 is the front view of the fan guard for representing implementation method 11.

Figure 27 is the 1st front view of a part for the fan guard for representing implementation method 11, is for illustrating multiple frames The figure of the composition of frame (the 1st framework).

Figure 28 is the 2nd front view of a part for the fan guard for representing implementation method 11, is for illustrating multiple frames The figure of the composition of frame (the 1st framework).

Figure 29 is the 3rd front view of a part for the fan guard for representing implementation method 11, is for illustrating multiple lines The figure of the composition of shape rib (the 1st rib).

Figure 30 is the 4th front view of a part for the fan guard for representing implementation method 11, is for illustrating multiple lines The figure of the composition of shape rib (the 1st rib).

Figure 31 is the front view of the fan guard for representing implementation method 12.

Figure 32 is the 1st front view of a part for the fan guard for representing implementation method 12, is for illustrating multiple frames The figure of the composition of frame (the 1st framework).

Figure 33 is the 2nd front view of a part for the fan guard for representing implementation method 12, is for illustrating multiple lines The figure of the composition of shape rib (the 1st rib).

Figure 34 is the 3rd front view of a part for the fan guard for representing implementation method 12, is for illustrating multiple lines The figure of the composition of shape rib (the 1st rib).

Figure 35 is the stereogram of the air-supply arrangement for representing implementation method 13.

Figure 36 is the front view of the air-supply arrangement for representing implementation method 13.

Figure 37 is the cross-sectional view of the air-supply arrangement for representing implementation method 13.

Figure 38 is the longitudinal section of the air-supply arrangement for representing implementation method 13.

Figure 39 is the front view of the fan guard for representing implementation method 13.

Figure 40 is the stereogram of the air-supply arrangement for representing implementation method 14.

Figure 41 is the front view of the fan guard for representing implementation method 14.

Figure 42 is the front view of the fan guard for representing implementation method 15.

Figure 43 is the front view of the fan guard 10Z1 for representing general.

Figure 44 is the front view of the fan guard 10Z2 for representing general.

Figure 45 is the front view of the fan guard 10Z3 for representing general.

Figure 46 is the front view of the fan guard 10Z4 for representing general.

Figure 47 is the front view of the fan guard 10Z5 for representing general.

Figure 48 is the front view of the fan guard 10Z6 for representing general.

Specific embodiment

One side illustrates implementation method referring to the drawings on following one side.Sometimes same accompanying drawing is added to same part and suitable part The explanation marked without repetition is repeated.

[implementation method 1]

1~Figure 16 of reference picture illustrates the fan guard 10 and air-supply arrangement 100 of implementation method 1.

(air-supply arrangement 100)

Fig. 1 and Fig. 2 are respectively the front view and side view represented after a part for air-supply arrangement 100 is decomposed.Such as Fig. 1 and Shown in Fig. 2, air-supply arrangement 100 is the device as electric fan function, possesses fan guard 10, rear side fan protection Cover 20, fan 30 and main part 40.

(fan guard 10)

Fig. 3 is the front view for representing fan guard 10.As shown in figure 3, the fan protection for protecting fan 30 (Fig. 1) Cover 10 possesses inside portion 11, outer frame 12 and protection portion 13.Inside portion 11 (closure) has the discoid shape being closed, Configured in the mode that the front center with fan 30 (Fig. 1) is relative.Outer frame 12 (periphery ring portion) has the diameter than fan 30 Big internal diameter and with the shape of ring-type (annular shape), is configured at the periphery of inside portion 11.

Protection portion 13 is arranged between inside portion 11 and outer frame 12, mainly prevents finger etc. from being contacted with fan.This implementation The protection portion 13 of mode includes multiple frameworks 14 (the 1st framework), multiple wire rib 15 (the 1st wire rib), multiple frameworks 16 the (the 2nd Framework), multiple wire rib 17 (the 2nd wire rib) and multiple wire rib 18 (the 3rd wire rib).

Framework can be distinguished with rib for example, by its thickness (width), and framework is configured to thicker than rib or thinner than rib.In addition, Such as framework is overlapped or intersecting or is smoothly connected, but in region preferably in the framework, whole ribs are 11 Root is self-existent, and rib is configured to not overlap or intersect or be smoothly connected each other.In addition, the cross sectional shape of rib exists Its material is preferably rectangle in the case of resin, preferably circle in the case of being metal in its material, but is not limited to above-mentioned Content.In addition, it is not intended that framework and rib are had a case that into identical thickness and rib is overlapping one another or intersecting or phase Situation even energetically forecloses from scope of patent protection.Hereinafter framework 14, wire rib 15, framework 16, line are illustrated in order Shape rib 17 and wire rib 18.

(framework 14)

Fig. 4~Fig. 6 is the front view for the part for representing fan guard 10, is for illustrating (the 1st frame of multiple frameworks 14 Frame) composition figure.The fan guard of present embodiment has multiple (5) frameworks 14 (14A~14E).For the ease of saying It is bright, in Fig. 4~Fig. 6, without diagram wire rib 15, framework 16, wire rib 17 and wire rib 18 (reference picture 3).

As shown in figure 4, framework 14 (14A) has the circular arc that position A2 is extended to from position A1, framework 14 (14B) has The circular arc of position B2 is extended to from position B1, framework 14 (14C) has the circular arc that position C2 is extended to from position C1, framework 14 (14D) have the circular arc of position D2 are extended to from position D1, and framework 14 (14E) has and extends to position E2's from position E1 Circular arc.

Position A1, A2, B1, C1, D1 are located on the periphery of inside portion 11.Position B2 is located on framework 14 (14A), position C2 On framework 14 (14B), position D2 is located on framework 14 (14C), and position E1, E2 are located at framework 14 (14A) and framework respectively On 14 (14D).

5 frameworks 14 (14A~14E) divide inside portion 11 and the region between inside portion 11 and outer frame 12, so that It is respectively formed with 5 the 1st open area R10A~R10E.For the ease of diagram, to the open area R10A of expression the 1st in Fig. 4 The part of~R10E is additional to roll to the right hacures high.1st open area R10A~R10E is circumferentially (counter clockwise direction) Arrange in order, surrounded around inside portion 11 (referring also to Fig. 3) with ring-type on the whole.

As shown in figure 5, framework 14 (14A) has includes the circular arc of a part for circle AA (center 14AA), framework 14 (14B) has includes the circular arc of a part for circle BB (center 14BB), and framework 14 (14C) has includes circle CC (centers The circular arc of part 14CC), framework 14 (14D) has includes the circular arc of a part for circle DD (center 14DD), frame Frame 14 (14E) has includes the circular arc of a part for circle EE (center 14EE).

Circular AA~EE can both have same diameter, it is possible to have mutually different diameter.Circular AA~EE both may be used With with the identical diameter of inside portion 11, it is possible to have the diameter different from inside portion 11.

Reference picture 5 and Fig. 6, circle AA one-to-one with multiple circular arcs of composition multiple frameworks 14 (14A~14E)~ Center 14AA~the 14EE of EE (Fig. 5) is arranged at mutually different position.In the present embodiment, circular AA~EE (Fig. 5) Center 14AA~14EE is located on 1 helical curve 14SP with the center 11C of inside portion 11 as starting point.Helical curve 14SP The curve for being defined with the formula of r=5 × θ ^0.4 in this way.

(wire rib 15)

Fig. 7 and Fig. 8 are a part (specifically inside portion 11, the multiple framework 14 and many for representing fan guard 10 Individual wire rib 15) front view, be the figure for illustrating the composition of multiple wire ribs 15 (the 1st wire rib).For convenience of description, In figures 7 and 8, there is no illustrated frame 16, wire rib 17, wire rib 18 and outer frame 12 (reference picture 3).To the table in Fig. 7 Show that the part of multiple wire ribs 15 is additional and roll hacures high to the left.

Multiple wire ribs 15 are arranged at the respective inner side of multiple frameworks 14 (14A~14E).In other words, multiple wire Rib 15 is configured among each of the 1st open area R10A~R10E, shape after the 1st open area R10A~R10E each is divided Into small small window.

Reference picture 7, during multiple wire ribs 15 of the inner side that framework 14 (14D) is arranged in viewing, wire rib 15 (15D1) With the circular arc that position D12 is extended to from position D11, wire rib 15 (15D2) have extend to position D22's from position D21 Circular arc, wire rib 15 (15D3) has the circular arc that position D32 is extended to from position D31.

When multiple wire ribs 15 of inner side of framework 14 (14E) are similarly arranged in viewing, wire rib 15 (15E1) tool There is the circular arc that position E12 is extended to from position E11, wire rib 15 (15E2) has the circle that position E22 is extended to from position E21 Arc, wire rib 15 (15E3) has the circular arc that position E32 is extended to from position E31.

It is formed at the 1st open area R10D and the of the inner side for being formed at framework 14 (14E) of the inner side of framework 14 (14D) There is mutually adjacent position relationship in 1 open area R10E.It is identically formed in the 1st open region of the inner side of framework 14 (14E) There is mutually adjacent position relationship with the 1st open area R10A of the inner side for being formed at framework 14 (14A) in domain R10E.

Watching the 1st open area R10D (the 1st the 1st open area) and the 1st open area R10E (the 2nd the 1st opening Region) in the case of, divide multiple wire ribs 15 (15D1~15D3) of the 1st open area R10D and divide the 1st open area Multiple wire ribs 15 (15E1~15E3) of R10E are configured to continuous in the form of bending or mutually discontinuous.In this embodiment party In the case of formula, wire rib 15 (15D1~15D3) is each configured to mutually discontinuous with wire rib 15 (15E1~15E3).

The art-recognized meanings of " continuous in the form of bending " are as follows.For example in the inner side of framework 14 (14A), in other words Wire rib 15 (15A1) is provided with the 1st open area R10A.The end A11 of wire rib 15 (15A1) and wire rib 15 The end (position E22) of (15E2) is relative across framework 14 (14A)." continuous in the form of bending " means wire rib 15 The end of (15A1) and wire rib 15 (15E2) is configured in mutually relative mode each other, but these ends are not each other by round and smooth Curve be connected (as there is flex point via corner be connected).

In the present embodiment, the above-mentioned configuration relation relevant with multiple wire ribs 15 (specifically, divides adjacent 2 Multiple 1st wire ribs of individual open area are configured to continuous in the form of bending or mutual discontinuous configuration relation) for It is arranged at establishment for the whole wire ribs 15 in the 1st open area R10A~R10E.

As shown in figure 8, wire rib 15 (15D1) has includes the circular arc of a part for circle DR1 (center DR), wire Rib 15 (15D2) has includes the circular arc of a part for circle DR2 (center DR), and wire rib 15 (15D3) has includes circle The circular arc of a part of DR3 (center DR).In other words, the multiple wire ribs 15 in 1 the 1st open area R10D are configured at (15D1~15D3) is arranged by the concentric circles centered on the DR of center.

Similarly wire rib 15 (15E1) has includes the circular arc of a part for circle ER1 (center ER), wire rib 15 (15E2) has includes the circular arc of a part for circle ER2 (center ER), and wire rib 15 (15E3) has includes circle ER3 The circular arc of the part of (center ER).In other words, the multiple wire ribs 15 in 1 the 1st open area R10E are configured at Concentric circles centered on (15E1~15E3) Ye Anyi center ER are arranged.

As shown in figure 8, it is preferred that the concentric circles of the position of multiple wire rib 15 (15D1~15D3) of regulation center (in Heart DR positions) it is arranged at the positions different from the position of the center 11C of inside portion 11.Similarly specify multiple wire ribs 15 The center (center ER positions) of the concentric circles of the position of (15E1~15E3) is also disposed on the center 11C's of inside portion 11 The different position in position.

Multiple wire ribs 15 (15D1~15D3) of the preferred disposition in 1 the 1st open area R10D are in the footpath of concentric circles Configured with (such as 10mm intervals) at equal intervals upwards.This diameter difference and circle DR2 and circle DR3 with circular DR1 and circle DR2 The equal implication of diameter difference it is identical.Similarly be configured in 1 the 1st open area R10E multiple wire ribs 15 (15E1~ 15E3) it is also preferred that in concentric circles radially configuring at equal intervals.

In the present embodiment, the above-mentioned configuration relation relevant with multiple wire ribs 15 be (specifically, it is stipulated that multiple wire The center of the concentric circles of rib is the positions different from the center 11C of inside portion 11, radial direction of multiple wire ribs in concentric circles On configuration relation to configure at equal intervals) for the whole wire ribs 15 in being arranged at the 1st open area R10A~R10E Set up.

Referring again to Fig. 7, multiple wire ribs 15 of present embodiment have in the circumference centered on inside portion 11 one Individual end and another end.For example wire rib 15 (15E2) has an end (position E21) and another end (position E22), these ends are arranged at the position staggered in the circumferential.Described circumference refers to that can be defined as facing fan guarantor herein Clockwise direction during shield, also can be defined as facing counter clockwise direction during fan guard.Which direction can.It is excellent Be selected in and the distance between position of center 11C of an end (position E21) and inside portion 11 be set to L1, by another end In the case that the distance between position of center 11C of (position E22) and inside portion 11 is set to L2, for whole wire ribs 15 Speech, the relation of L1 ＞ L2 is set up.

In the present embodiment, circumference described herein is consistent with the direction of rotation of fan (reference picture 1).Thus, if seeing Wire rib 15 (15E2) is seen, then an end (position E21) positioned at the front side of the direction of rotation of fan is located at the outer of radial direction Side, the inner side of radial direction is located at positioned at another end (position E22) of the rear side of the direction of rotation of fan.According to this The wire rib 15 of composition, has the spiral of equidirectional relative to the swirl component that has of wind sent out, thus can make by The wind diffusion of the vicinity of wire rib 15 (15E2).With the situation on the contrary, circumference described herein can be the rotation with fan Direction in opposite direction.In this case, according to the wire rib 15 with above-mentioned composition, have with the wind for suppressing to send out The spiral in the direction of swirl component, can reduce swirl component and be converted into axle stream composition, can make by wire rib 15 The wind convergence of the vicinity of (15E2).Because for whole wire ribs 15, the relation of L1 ＞ L2 is set up, so can obtain big Diffusion or convergent effect.

(framework 16)

Fig. 9 and Figure 10 are the front views for the part for representing fan guard 10, are for illustrating multiple frameworks 16 the (the 2nd Framework) composition figure.The fan guard of present embodiment has multiple (6) frameworks 16 (16P~16U).For the ease of Illustrate, in fig .9, without diagram wire rib 15, wire rib 17 and wire rib 18 (reference picture 3).In Fig. 10, without diagram line Shape rib 17, wire rib 18 and outer frame 12.

As shown in figure 9, framework 16 (16P) has the circular arc that position P2 is extended to from position P1, framework 16 (16Q) has The circular arc of position Q2 is extended to from position Q1, framework 16 (16R) has the circular arc that position R2 is extended to from position R1, framework 16 (16S) have the circular arc of position S2 are extended to from position S1, and framework 16 (16T) has and extends to position T2's from position T1 Circular arc, framework 16 (16U) has the circular arc that position U2 is extended to from position U1.

Here, 5 the 1st open area R10A~R10E for being surrounded around inside portion 11 with ring-type on the whole is defined It is 1 inside region.Inside region refers to the region for being combined 5 the 1st open area R10A~R10E.Position P1, P2, Q1, R1, S1, T1 are located on the periphery of inside region.Position Q2 is located on framework 16 (16P), and position R2 is located at framework 16 (16Q) On, position S2 is located on framework 16 (16R), and position T2 is located on framework 16 (16S), and position U1, U2 are located at framework 16 respectively On (16P) and framework 16 (16T).

6 frameworks 16 (16P~16U) divide inside region (the 1st open area R10A~R10E) and inside region with Region between outer frame 12, so as to be respectively formed with 6 the 2nd open area R20P~R20U.For the ease of diagram, to Fig. 9 In the part of the open area R20P of expression the 2nd~R20U additional roll hacures high to the left.2nd open area R20P~ Circumferentially (counter clockwise direction) is arranged R20U in order, surrounds inside region (the 1st open area R10A with ring-type on the whole ~R10E) around (can refer to Fig. 3).

As shown in Figure 10, framework 16 (16P) has includes other circular arcs of a part of other circular PP, framework 16 (16Q) has includes other circular arcs of a part of other circular QQ, and framework 16 (16R) has includes the one of other circular RR Other partial circular arcs, framework 16 (16S) has includes other circular arcs of a part of other circular SS, framework 16 (16T) has includes other circular arcs of a part of other circular TT, and framework 16 (16U) has includes the one of other circular UU Other partial circular arcs.

Other circular PP~UU have center 16PP~16UU respectively.Other circular PP~UU can both have with always Footpath, it is possible to have mutually different diameter.Other circular PP~UU can both have identical with circular AA~EE, inside portion 11 Diameter, it is possible to have the diameter different from inside portion 11.In the present embodiment, with constitute multiple frameworks 16 (16P~ Center 16PP~the 16UU of one-to-one other the circular PP~UU of multiple other circular arcs 16U) is arranged at mutually different Position.

(wire rib 17)

Figure 11 and Figure 12 are a part (specifically, the inside portions 11, multiple framework 14, many for representing fan guard 10 Individual framework 16 and multiple wire ribs 17) front view, be the figure for illustrating the composition of multiple wire ribs 17 (the 2nd wire rib). For convenience of description, in Figure 11 and Figure 12, without diagram wire rib 15, wire rib 18 and outer frame 12 (reference picture 3).To figure The part of the multiple wire ribs 17 of expression in 11 is additional to roll hacures high to the left.

Multiple wire ribs 17 are arranged at the inner side of multiple frameworks 16 (16P~16U) each.In other words, multiple wire ribs 17 are configured in each of the 2nd open area R20P~R20U, the 2nd open area R20P~R20U each is divided and forms small Small window.

Reference picture 11, during multiple wire ribs 17 of the inner side that framework 16 (16T) is arranged in viewing, wire rib 17 (17T1) With the circular arc that position T12 is extended to from position T11, wire rib 17 (17T2) have extend to position T22's from position T21 Circular arc, wire rib 17 (17T3) has the circular arc of position T32 is extended to from position T31, wire rib 17 (17T4) have from Position T41 extends to the circular arc of position T42.

When multiple wire ribs 17 of inner side of framework 16 (16U) are similarly arranged in viewing, wire rib 17 (17U1) tool There is the circular arc that position U12 is extended to from position U11, wire rib 17 (17U2) has the circle that position U22 is extended to from position U21 Arc, wire rib 17 (17U3) has the circular arc that position U32 is extended to from position U31, and wire rib 17 (17U4) has from position Put the circular arc that U41 extends to position U42.

It is formed at the 2nd open area R20T and the of the inner side for being formed at framework 16 (16U) of the inner side of framework 16 (16T) There is mutually adjacent position relationship in 2 open area R20U.Viewing the 2nd open area R20T's and the 2nd open area R20U In the case of, divide multiple wire ribs 17 (17T1~17T4) of the 2nd open area R20T and divide many of the 2nd open area R20U Individual wire rib 17 (17U1~17U4) is configured to continuous in the form of bending or mutually discontinuous.In the situation of present embodiment Under, wire rib 17 (17T1~17T4) and wire rib 17 (17U1~17U4) are each configured to mutually discontinuously.

In the inner side of framework 16 (16P), wire rib 17 (17P1) is in other words provided with the 2nd open area R20P. The end P11 of wire rib 17 (17P1) is located at the vicinity of the end (position U32) of wire rib 17 (17U3), but these ends are each other The curve by smoothing is not connected.

In the present embodiment, the above-mentioned configuration relation relevant with multiple wire ribs 17 (specifically, divides adjacent 2 Multiple 2nd wire ribs of individual open area are configured to continuous in the form of bending or mutual discontinuous configuration relation) for It is arranged at establishment for the whole wire ribs 17 in the 2nd open area R20P~R20U.

As shown in figure 12, wire rib 17 (17T1) has includes other circular arcs of a part of circle TR1, wire rib 17 (17T2) has includes other circular arcs of a part of circle TR2, and wire rib 17 (17T3) has includes one of circle TR3 Other circular arcs divided, wire rib 17 (17T4) has includes other circular arcs of a part of circle TR4.Circular TR1~TR4 With common center TR.By these in other words, the multiple (17T1 of wire rib 17 in 1 the 2nd open area R20T are configured at ~17T4) it is arranged by the concentric circles centered on the TR of center.

Similarly wire rib 17 (17U1) has includes other circular arcs of a part of circle UR1, wire rib 17 (17U2) has includes other circular arcs of a part of circle UR2, and wire rib 17 (17U3) has includes one of circle UR3 Other circular arcs divided, wire rib 17 (17U4) has includes other circular arcs of a part of circle UR4.Circular UR1~UR4 With common center UR.By these in other words, the multiple (17U1 of wire rib 17 in 1 the 2nd open area R20U are configured at ~17U4) concentric circles centered on the UR of Ye Anyi centers are arranged.

It is preferred that the center (center TR positions) of the concentric circles of the position of multiple wire rib 17 (17T1~17T4) of regulation It is arranged at the positions different from the position of the center 11C of inside portion 11.Similarly specify multiple wire rib 17 (17U1~17U4) The center (center UR positions) of concentric circles of position be also disposed on the positions different from the position of the center 11C of inside portion 11 Put.

Multiple wire ribs 17 (17T1~17T4) of the preferred disposition in 1 the 2nd open area R20T are in the footpath of concentric circles Upwards configuring at equal intervals.The diameter difference of this and circle TR1 and circle TR2, the diameter difference of circle TR2 and circle TR3 and circle Implication shape TR3 equal with the diameter difference of circle TR4 is identical.Similarly it is configured at the multiple lines in 1 the 2nd open area R20U Shape rib 17 (17U1~17U4) also in concentric circles radially configuring at equal intervals.

In the present embodiment, the above-mentioned configuration relation relevant with multiple wire ribs 17 be (specifically, it is stipulated that multiple wire The center of the concentric circles of rib is the positions different from the center 11C of inside portion 11, radial direction of multiple wire ribs in concentric circles On configuration relation to configure at equal intervals) for the whole wire ribs 17 in being arranged at the 2nd open area R20P~R20U Set up.

Referring again to Figure 11, multiple wire ribs 17 of present embodiment have in the circumference centered on inside portion 11 one Individual end and another end.For example, wire rib 17 (17T2) has an end (position T21) and another end (position T22), these ends are arranged at the position staggered in the circumferential.Described circumference refers to that can be defined as facing fan guarantor herein Clockwise direction during shield, also can be defined as facing counter clockwise direction during fan guard.Which direction can.It is excellent Be selected in and the distance between position of center 11C of an end (position T21) and inside portion 11 be set to L3, by another end In the case that the distance between position of center 11C of (position T22) and inside portion 11 is set to L4, for whole wire ribs 17 Speech, the relation of L3 ＞ L4 is set up.

In the present embodiment, circumference described herein is consistent with the direction of rotation of fan (reference picture 1).Thus, if seeing Wire rib 17 (17T2) is seen, then an end (position T21) positioned at the front side of the direction of rotation of fan is located at the outer of radial direction Side, the inner side of radial direction is located at positioned at another end (position T22) of the rear side of the direction of rotation of fan.According to this The wire rib 17 of composition, can make to be spread by the wind of the vicinity of wire rib 17 (17T2).With the situation conversely, week described herein To can be the direction opposite with the direction of rotation of fan.In this case, according to the wire rib 17 with above-mentioned composition, can make Restrained by the wind of the vicinity of wire rib 17 (17T2).For whole wire ribs 17, the relation of L3 ＞ L4 is set up, so that can Obtain big diffusion or convergent effect.

Reference picture 13, in the present embodiment, is arranged at the multiple Hes of wire rib 15 in the 1st open area R10A~R10E The multiple wire ribs 17 being arranged in the 2nd open area R20P~R20U are also configured as continuous in the form of bending or mutually not Continuously.The position represented with dotted line PE for example in fig. 13, end and the wire rib 17 (17S1) of wire rib 15 (15C3) End is relative across framework 14 (14C), but curve of these ends each other not by smoothing is connected (be connected via corner).At this In implementation method, the above-mentioned configuration relation relevant with multiple wire ribs 15,17 is set up for whole wire ribs 15,17.

(wire rib 18)

Figure 14 and Figure 15 are the front views for the part for representing fan guard 10, are for illustrating multiple wire ribs 18 The figure of the composition of (the 3rd wire rib).For convenience of description, in fig. 14, without diagram wire rib 15 and the (reference picture of wire rib 17 3).In fig .15, without diagram inside portion 11, framework 14, wire rib 15, framework 16 and wire rib 17 (reference picture 3).To Figure 14 In the part of the multiple wire ribs 18 of expression additional roll hacures high to the left.

As described above, can by the whole with ring-type surround inside portion 11 around 5 the 1st open area R10A~ R10E is defined as 1 inside region.Inside region refers to the region for being combined 5 the 1st open area R10A~R10E. , can be defined as 6 the 2nd open area R20P~R20U that surrounded around inside region with ring-type on the whole in 1 by this Between region.Zone line refers to the region for being combined 6 the 2nd open area R20P~R20U.Multiple wire ribs 18 are configured Between the zone line and outer frame 12.

One end (such as the end 18T in Figure 14) of wire rib 18 be located at outer frame 12 on, wire rib 18 it is another Individual end (such as the end 18U in Figure 14) is located on the periphery of the zone line.

As shown in figure 15, wire rib 18 (18A) has includes the circular arc of a part of circle 18R1, wire rib 18 (18B) has includes the circular arc of a part of circle 18R2, and wire rib 18 (18C) has includes a part of circle 18R3 Circular arc.Circular 18R1~18R3 has center 18AA~18CC respectively, and they have same diameter.

Multiple wire ribs 18 are configured to the rotational symmetry for having centered on the position of the center 11C of inside portion 11.This The described rotational symmetry in place means to be repeated when center 11C of the wire rib 18 by predetermined angular θ around inside portion 11 is rotated The property of identical figure.Whole wire ribs 18 meet these features.

Referring again to Figure 14, multiple wire ribs 18 of present embodiment have in the circumference centered on inside portion 11 one Individual end and another end.One end 18T and another end 18U of wire rib 18 are arranged at the position staggered in the circumferential Put.Described circumference refers to clockwise direction when can be defined as facing fan guard herein, can also be defined as positive apparent wind Counter clockwise direction during fan protective cover.Which direction can.It is preferred that by the center of an end 18T and inside portion 11 The distance between position of 11C is set to L5, by the distance between position of center 11C of another end 18U and inside portion 11 In the case of being set to L6, for whole wire ribs 18, the relation of L5 ＞ L6 is set up.

In the present embodiment, circumference described herein is consistent with the direction of rotation of fan (reference picture 1).Thus, it is located at One end 18T of the front side of the direction of rotation of fan is located at the outside of radial direction, positioned at the rear side of the direction of rotation of fan Another end 18U be located at radial direction inner side.According to the wire rib 18 with this composition, can make by the attached of wire rib 18 Near wind diffusion.With the situation conversely, circumference described herein can also be the direction opposite with the direction of rotation of fan.At this In the case of, according to the wire rib 18 with above-mentioned composition, can make to be restrained by the wind of the vicinity of wire rib 18.For whole wire For rib 18, the relation of L5 ＞ L6 is set up, so as to can obtain big diffusion or convergent effect.

(effect and effect)

In the fan guard 10 with above-mentioned composition, adjacent 2 in the 1st open area R10A~R10E are divided Multiple wire ribs 15 (the 1st wire rib) of the 1st open area are configured to continuous in the form of bending or mutually discontinuous.According to This composition, is defined as mutually different by the direction of the air-flow of the 1st open area R10A~R10E each blowout by wire rib 15 Direction.Direction of rotation, wire of the direction of the air-flow blown out by the 1st open area R10A~R10E each according to fan 30 The position of rib 15, shape (gradient) and size and be set as expecting by multiple the 1st open area R10A~R10E each Value.On these effects, the multiple wire ribs 17 for being arranged in the 2nd open area R20P~R20U are also identical. Diffusion, convergence can be adjusted by changing the gradient of each rib.In the case where wishing to strengthen diffusion, as long as to further Each rib of direction setting being laid flat, in the case where wishing to strengthen degree of convergence, as long as to each rib of the direction setting for erecting i.e. Can, it is also possible to be designed to the structure for making each rib variable.

Here, the new application method of description electric fan.In the past, electric fan was used alone in summer, by wind direction user Blowout, assigns nice and cool sensation.It is required that make air quantity big and the convergence of wind that wind speed is fast and blown out to user.Afterwards, in summer list Electric fan is solely substituted using air-conditioning as main flow, in early summer or autumn etc. and be not up to use air-conditioning degree it is not hot Period secondarily uses electric fan.But, it is still identical with conventional by the specification after this transition to electric fan requirement.Closely Nian Lai, from from the viewpoint of preserve our planet environment or energy-conservation, air-conditioning and electric fan is often used in summer simultaneously.By air-conditioning with Electric fan is used in combination, can eliminate produce in the temperature in house it is irregular.Sendible temperature is reduced using the wind from electric fan, from And the design temperature of air-conditioning can be set as weak.But, the temperature from the air of air-conditioning blowout is low, therefore is using conventional electricity When the wind that fan makes air quantity big and wind speed is fast is restrained and blown out to user, worry causes to exceed the temperature decline of needs, comfortably Property step-down.Therefore, occur not being to make the wind of Wind Volume restrain but to long range diffusion and wish to produce gentle wind in recent years Requirement.Disclosed thought fan guard will be applied in the present embodiment, so as to be blown out by the 1st open area The direction of air-flow set by each of multiple 1st open areas, it can be said that present embodiment can also meet this Plant and require.

As described above, in fan guard 10, each of multiple frameworks 14 has includes the one of circle AA~EE (Fig. 5) Partial circular arc, the center 14AA with one-to-one circle AA~EE (Fig. 5) of multiple circular arcs for constituting multiple frameworks 14 ~14EE is arranged at mutually different position.With the one-to-one circular center of multiple circular arcs for constituting multiple frameworks 14 14AA~14EE is located on 1 helical curve 14SP (Fig. 6).According to these technological thoughts, the shape of multiple 1st open areas is not Identical (randomness of shape is improved) can be turned into, therefore the back drop (particularly NZ (making an uproar) sound) with fan can be suppressed.For example As the fan guard 10 of present embodiment, also can describe one by inside portion 11 and multiple frameworks 14 and take turns flower-shape, also can Expect commercial effect.It is also identical for being arranged at multiple frameworks 16 of periphery of multiple frameworks 14 on these effects.

As described above, in fan guard 10, being configured at the multiple wire ribs 15 in 1 the 1st open area with concentric Round shape is arranged.The center of the concentric circles of the position of regulation multiple wire ribs 15 is with the center of inside portion 11 not Same position.The multiple wire ribs 15 in 1 the 1st open area are configured in concentric circles radially to configure at equal intervals.Root According to these technological thoughts, can ensure that aperture area on the whole it is roughly the same for the suitable opening shape blown, according to The geometrically wire rib 15 of proper alignment, moreover it is possible to expect that the user for bringing fan guard 10 (air-supply arrangement 100) is more Aesthetic property.It is also identical for being arranged at multiple wire ribs 18 of periphery of multiple frameworks 16 on these effects.

Reference picture 16, the air-supply arrangement 100 (Fig. 1, Fig. 2) of present embodiment is also equipped with following feature：Make fan 30 Hinder marginal part 30E is projected vertically towards face side in the state of hinder marginal part 30E is relative with the protection portion 13 of fan guard 10 In the case of, the projected image of hinder marginal part 30E is only intersected with a part for the protection portion 13 of fan guard 10.Even if fan 30 Rotation, the projected image of the hinder marginal part 30E of the fan 30 also will not be completely overlapped with a part (any part) for protection portion 13, A part generally only with protection portion 13 is intersected.According to this composition, the hinder marginal part 30E and the one of protection portion 13 of fan 30 can be suppressed The generation of the back drop (wind noise) that part produces when interlocking, therefore the noise associated with the action of air-supply arrangement 100 can be reduced.

In addition to above-mentioned composition, preferably by the protection portion 13 of fan guard 10 towards fan 30 rear side along axle In the case of to projection (reference picture 1), the projected image of protection portion 13 has the rear side with the rear side for being configured at fan 30 The part that the protection portion of fan guard 20 is overlapped.It is preferred that the part (perspective view of fan guard 10 that should be Chong Die with protection portion As the part consistent with the shape of rear side fan guard 20) try one's best greatly.It is imported into by rear side fan guard 20 Air-flow directly can swimmingly blow out via fan 30 from fan guard 10.The pressure loss can be reduced, increases air quantity.In addition, also Can mitigate from face side watch air-supply arrangement 100 when design complexity, improve aesthetic property.

[implementation method 2]

Reference picture 17 illustrates the fan guard 10A of implementation method 2.In fan guard 10A, with the multiple frameworks of composition The one-to-one circle AA~EE of multiple circular arcs of 14 (14A~14E) be configured to with the center 11C of inside portion 11 as starting point 1 helical curve 14SP inscribe.

Although not illustrating in fig. 17, the wire rib 15 of fan guard 10A, framework 16, wire rib 17 and line The composition of shape rib 18 can use the composition same with above-mentioned implementation method 1.By the technological thought, inside portion 11 can be also utilized Describe one with multiple frameworks 14 and take turns flower-shape, can also expect commercial effect.

[implementation method 3]

Reference picture 18 illustrates the fan guard 10B of implementation method 3.Fan guard 10B in wire rib 18 in shape Fan guard 10 (Fig. 3) from implementation method 1 is different.Multiple wire ribs 18 have to the fan guard with implementation method 1 The shape of the opposite direction bending of 10 situation.

In the fan guard 10 of implementation method 1, by the attached of the wire rib 15 in the 1st open area R10A~R10E Near air-flow, by the wire rib 17 in the 2nd open area R20P~R20U vicinity air-flow and by wire rib 18 Any one side in forming diffusion and restraining in neighbouring air-flow.As described above, according to the wind for being applied to fan guard The direction of rotation of 30 (Fig. 1) is fanned to specify that each rib is to play diffusion function or performance convergence function.

On the other hand, in the fan guard 10B of present embodiment, by the 1st open area R10A~R10E The air-flow of the vicinity of wire rib 15 and by the wire rib 17 in the 2nd open area R20P~R20U vicinity air-flow according to wind The direction of rotation of fan 30 forms the side in diffusion and convergence.By wire rib 18 vicinity air-flow according to the rotation of fan 30 Direction forms the opposing party in diffusion and convergence.The direction of the air-flow blown out by each region according to the direction of rotation of fan 30, The position of wire rib 15,17,18, shapes and sizes are set as desired value by each region.

[implementation method 4]

Reference picture 19 illustrates the fan guard 10C of implementation method 4.Fan guard 10C in wire rib 18 in shape Fan guard 10 (Fig. 3) from implementation method 1 is different.Multiple wire ribs 18 are configured to the position of the center 11C of inside portion 11 It is set to the radial of center.

It is also by the wire rib in the 1st open area R10A~R10E in the fan guard 10C of implementation method 4 The air-flow of 15 vicinity and by the wire rib 17 in the 2nd open area R20P~R20U vicinity air-flow according to fan 30 Direction of rotation forms the side in diffusion and convergence.By wire rib 18 vicinity air-flow according to the direction of rotation shape of fan 30 Into the opposing party in diffusion and convergence.Direction of rotation, wire rib of the direction of the air-flow blown out by each region according to fan 30 15th, 17,18 position, shapes and sizes are set as desired value by each region.

[implementation method 5]

Reference picture 20 illustrates the fan guard 10D of implementation method 5.Although the protection portion 13 of fan guard 10D including Framework 14, wire rib 15 and wire rib 18, but it is different from the situation of implementation method 1~4, without framework 16 and wire rib 17.The 1st open area R10A~R10E is respectively formed with the inner side of 5 frameworks 14 with circular arc.

Circumferentially (counter clockwise direction) is arranged 1st open area R10A~R10E in order, on the whole with ring-type bag Enclose around inside portion 11.Divide multiple wire of the open area of adjacent 2 the 1st in the 1st open area R10A~R10E Rib 15 (the 1st wire rib) is configured to continuous in the form of bending or mutually discontinuous.Can also be obtained using fan guard 10D The effect roughly the same with above-mentioned each implementation method and effect.

[implementation method 6]

Reference picture 21 illustrates the fan guard 10E of implementation method 6.Although the protection portion 13 of fan guard 10E is also wrapped Framework 14, wire rib 15 and wire rib 18 are included, but it is different from the situation of implementation method 1~4, without framework 16 and wire rib 17.4 frameworks 14 with circular arc are not overlapped each other, and with same shape (rotationally symmetrical shape), end configures each other For mutually it is adjacent.The 1st open area R10A~R10D is respectively formed with the inner side of 4 frameworks 14.Using fan guard 10E Also effect and the effect roughly the same with above-mentioned each implementation method can be obtained.

[implementation method 7]

Reference picture 22 illustrates the fan guard 10F of implementation method 7.In fan guard 10F, the 1st open region is divided Multiple wire ribs 15 (the 1st wire rib) of the open area of adjacent 2 the 1st in domain R10A~R10F are also configured as bending Form is continuous or mutually discontinuous.

It is arranged at multiple wire ribs 15 of the respective inner side of the 1st open area R10A, R10C, R10E and is arranged at the 1st The effect that multiple wire ribs 15 of the respective inner side of open area R10B, R10D, R10F are played air-flow is different.According to wind The direction of rotation for fanning 30 (Fig. 1) makes to be arranged at multiple wire ribs of the respective inner side of the 1st open area R10A, R10C, R10E 15 play air-flows diffusion functions in the case of, be arranged at the 1st open area R10B, R10D, R10F respective inner side it is many Individual wire rib 15 plays the convergence function of air-flow.

The direction root of the air-flow for also making to be blown out by the 1st open area R10A~R10F each by fan guard 10F According to the direction of rotation of fan 30, the position of wire rib 15, shapes and sizes and press the every of multiple the 1st open area R10A~R10F One is set as desired value.

[implementation method 8]

Reference picture 23 illustrates the fan guard 10G of implementation method 8.In fan guard 10G, multiple frameworks 14 have The shape of bending, the 1st open area R10A~R10F has substantially pentagon shaped.Divide the 1st open area R10A~R10F In multiple wire ribs 15 (the 1st wire rib) of the open area of adjacent 2 the 1st be configured to continuous in the form of bending or phase It is mutually discontinuous.Effect and the effect roughly the same with above-mentioned each implementation method can be also obtained using fan guard 10G.

[implementation method 9]

Reference picture 24 illustrates the fan guard 10H of implementation method 9.Fan guard 10H in wire rib 18 in shape Fan guard 10D (Figure 20) from implementation method 5 is different.Multiple wire ribs 18 have to the fan protection with implementation method 5 Cover 10D situation it is opposite direction bending shape.

In fan guard 10H, by the air-flow root of the vicinity of the wire rib 15 in the 1st open area R10A~R10E The side in diffusion and convergence is formed according to the direction of rotation of fan 30.By wire rib 18 vicinity air-flow according to fan 30 Direction of rotation forms the opposing party in diffusion and convergence.Rotation side of the direction of the air-flow blown out by each region according to fan 30 It is set as desired value by each region to, the position of wire rib 15,17,18, shapes and sizes.

[implementation method 10]

Reference picture 25 illustrates the fan guard 10I of implementation method 10.Fan guard 10I in wire rib 18 in shape Fan guard 10D (Figure 20) from implementation method 5 is different.Multiple wire ribs 18 are configured to the center 11C's of inside portion 11 It is radial centered on position.

In fan guard 10I, by the air-flow of the vicinity of the wire rib 15 in the 1st open area R10A~R10E Direction of rotation according to fan 30 forms the side in diffusion and convergence.By wire rib 18 vicinity air-flow according to fan 30 Direction of rotation formed diffusion and convergence in the opposing party.Rotation of the direction of the air-flow blown out by each region according to fan 30 Direction, the position of wire rib 15,17,18, shapes and sizes are set as desired value by each region.

[implementation method 11]

26~Figure 30 of reference picture illustrates the fan guard 10J of implementation method 11.Figure 26 represents fan guard 10J Front view.Fan guard 10J for protecting fan 30 (Fig. 1) possesses inside portion 11, outer frame 12 and protection portion 13.This reality Applying the protection portion 13 of mode includes multiple framework 14M, 14N and multiple wire rib 15M, 15N.

(framework 14M, 14N)

Figure 27 and Figure 28 are the front views for the part for representing fan guard 10J, be for illustrate multiple framework 14M, The figure of the composition of 14N.For convenience of description, without multiple wire ribs 15M, 15N (reference picture 26) of diagram in Figure 27 and Figure 28.

Multiple framework 14M, 14N are the parts as the 1st framework function, are alternately arranged around inside portion 11 Row.One end of multiple framework 14M, 14N is located on the periphery of inside portion 11, another end of multiple framework 14M, 14N On outer frame 12.

As shown in figure 27, multiple framework 14M, 14N divide the region between inside portion 11 and outer frame 12, so as to be formed with Add up to 14 the 1st open area R10A~R10N.For the ease of diagram, to the open area R10A of expression the 1st in Figure 27~ The part additional shadow line of R10N.Circumferentially (counter clockwise direction) is arranged 1st open area R10A~R10N in order, whole Surrounded around inside portion 11 (referring also to Figure 26) with ring-type on body.

Detailed content is aftermentioned, in figure 27, with roll to the left the 1st open area R10A that hacures high represent, Multiple wire rib 15M (reference picture 26) are provided with R10C, R10E, R10G, R10I, R10K, R10M.In figure 27, with to Right side incline be provided with the 1st open area R10B, R10D, R10F, R10H, R10J, R10L, R10N that hacures high represent it is many Individual wire rib 15N.In the present embodiment, it is provided with the 1st open area of multiple wire rib 15M and is provided with multiple wire ribs 1st open area of 15N is alternately arranged in the circumferential.

As shown in figure 28, framework 14N (14N1) has includes the circular arc of a part of circle 14R1, framework 14M (14M1) has includes the circular arc of a part of circle 14R2, and framework 14N (14N2) has includes a part of circle 14R3 Circular arc, framework 14M (14M2) have include the circular arc of a part of circle 14R4.

Circular 14R1~14R4 has center 14RA~14RD respectively, and they have same diameter.With the multiple frameworks of composition The center (14RA~14RD etc.) of the one-to-one circle (circular 14R1~14R4 etc.) of multiple circular arcs of 14M, 14N is arranged at Mutually different position.

Multiple framework 14M, 14N of present embodiment are configured to be had centered on the position of the center 11C of inside portion 11 Rotational symmetry.When rotating the center 11C of framework 14M, 14N by predetermined angular around inside portion 11, identical figure is repeated. Whole framework 14M, 14N meet these features.

(wire rib 15M, 15N)

Figure 29 and Figure 30 are the front views for the part for representing fan guard 10J, are for illustrating multiple wire ribs The figure of the composition of 15M, 15N (the 1st wire rib).As described above, the 1st open area R10A, R10C, R10E, R10G, R10I, Multiple wire rib 15M (reference picture 26) are provided with R10K, R10M.Multiple wire rib 15M are by each of these the 1st open areas Divide and form small small window.On the other hand, in the 1st open area R10B, R10D, R10F, R10H, R10J, R10L, R10N It is provided with multiple wire rib 15N (reference picture 26).Multiple wire rib 15N also divide and shape each of these the 1st open areas Into small small window.

There is mutually adjacent position relationship with the 1st open area R10C in the open area R10B of reference picture the 29, the 1st.Seeing When seeing wire rib 15M (15MS) being arranged in the 1st open area R10B, wire rib 15 (15MS) has from position 15MT extensions To the circular arc of position 15MU.In wire rib 15N (15NS) during viewing is arranged at the 1st open area R10C, wire rib 15 (15NS) has the circular arc that position 15NU is extended to from position 15NT.

Watching the 1st open area R10B (the 1st the 1st open area) and the 1st open area R10C (the 2nd the 1st opening Region) in the case of, divide multiple lines of the 1st open area R10C of multiple wire rib 15M and division of the 1st open area R10B Shape rib 15N is each configured to continuous in the form of bending or mutually discontinuous.

In the present embodiment, the above-mentioned configuration relation relevant with multiple wire rib 15M, 15N (specifically, divides phase Multiple 1st wire ribs of 2 adjacent open areas are configured to continuous in the form of bending or mutual discontinuous configuration relation) Set up for whole wire rib 15M, 15N in being arranged at the 1st open area R10A~R10N.

As shown in figure 30, the multiple wire rib 15M being configured in 1 the 1st open area R10B have respectively includes circle The circular arc of a part of MR1~MR7 (center MR).That is, be configured at multiple wire ribs 15 in the 1st open area R10B by with Concentric circles centered on the MR of center are arranged.

The multiple wire rib 15N being similarly configured in 1 the 1st open area R10C respectively have include circle NR1~ The circular arc of a part of NR8 (center NR).That is, the multiple wire Lei15NAn Yi centers in the 1st open area R10C are configured at Concentric circles centered on NR are arranged.

It is preferred that the center (center MR positions) of the concentric circles of the position of the multiple wire rib 15M of regulation is arranged at and inner side The different position in the position of the center 11C in portion 11.Similarly specify the center of the concentric circles of the position of multiple wire rib 15N (center NR positions) is also disposed on the positions different from the position of the center 11C of inside portion 11.

Multiple wire rib 15Ms of the preferred disposition in 1 the 1st open area R10B are in concentric circles radially with equal intervals Configuration.This diameter difference with circular MR1, MR2, the diameter difference of circle MR2, MR3, the diameter difference of circle MR3, MR4, circle MR4, MR5, the diameter difference of circle MR5, MR6 implication equal with the diameter difference of circle MR6, MR7 are identical.Similarly it is configured at 1 the 1st Multiple wire rib 15N in the R10C of open area are it is also preferred that in concentric circles radially configuring at equal intervals.

In the present embodiment, the above-mentioned configuration relation relevant with multiple wire rib 15M, 15N (specifies multiple wire ribs The center of concentric circles is the positions different from the center 11C of inside portion 11, multiple wire ribs concentric circles radially with The configuration relation for configuring at equal intervals) for whole wire rib 15M, 15N in being arranged at the 1st open area R10A~R10N Set up.

Referring again to Figure 29, multiple wire rib 15M of present embodiment have in the circumference centered on inside portion 11 One end and another end.Such as wire rib 15M (15MS) has an end (position 15MT) and another end (position Put 15MU), these ends are arranged at the position staggered in the circumferential.Described circumference refers to that can be defined as facing fan herein Clockwise direction during protective cover, also can be defined as facing counter clockwise direction during fan guard.Which direction can. It is preferred that by the distance between position of center 11C of an end (position 15MT) and inside portion 11 be set to L7, by another In the case that the distance between position of center 11C of end (position 15MU) and inside portion 11 is set to L8, for whole wire For rib 15M, the relation of L7 ＞ L8 (LA ＞ LB) is set up.

On the other hand, multiple wire rib 15N of present embodiment have in the circumference centered on inside portion 11 End and another end.Such as wire rib 15N (15NS) has an end (position 15NT) and another end (position 15NU), these ends are arranged at the position staggered in the circumferential.Described circumference refers to that can be defined as facing fan guarantor herein Clockwise direction during shield, can be defined as facing counter clockwise direction during fan guard again.Which direction can.It is excellent Be selected in and the distance between position of center 11C of an end (position 15NT) and inside portion 11 be set to L9, by another end In the case that the distance between position of center 11C of portion (position 15NU) and inside portion 11 is set to L10, for whole wire ribs For 15N, the relation of L10 ＞ L9 (LB ＞ LA) is set up.

Above-mentioned feature is summarized, in the present embodiment, by an end of wire rib 15MS, 15NS with it is interior The distance between center of sidepiece 11 is set to LA, by another end and inside portion 11 of wire rib 15MS, 15NS In the case that the distance between heart position is set to LB, multiple wire ribs of the relation with LA ＞ LB are arranged at the 1st of inner side and open The 1st open area that mouth region domain is arranged at inner side with multiple wire ribs of the relation for possessing LB ＞ LA is alternately arranged in the circumferential. Thus, can realize playing the wire rib of diffusion effect and play the composition that the wire rib of convergence effect is alternately arranged in the circumferential.

(effect and effect)

In the fan guard 10J with above-mentioned composition, be also divide the 1st open area R10A~R10N in it is adjacent 2 the 1st open areas multiple wire rib 15M, 15N be configured to it is continuous in the form of bending or mutually discontinuous.According to This composition, the direction of the air-flow blown out by the 1st open area R10A~R10N each is defined as mutually by wire rib 15M, 15N Different directions.The direction of the air-flow blown out by the 1st open area R10A~R10N each according to the direction of rotation of fan 30, The position of wire rib 15M, 15N, shapes and sizes by multiple the 1st open area R10A~R10N each be set as it is desired Value.

[implementation method 12]

The fan guard 10K of 3 modes 12 is implemented in 31~Figure 34 of reference picture explanations.Figure 31 is to represent fan guard 10K Front view.In the same manner as the fan guard 10J (Figure 26) of implementation method 11, fan guard 10K possesses inside portion 11, outer Frame portion 12 and protection portion 13.The protection portion 13 of present embodiment includes multiple frameworks 14 and multiple wire rib 15M, 15N.

(framework 14)

Figure 32 is the front view for the part for representing fan guard 10J, is the structure for illustrating multiple framework 14M, 14N Into figure.For convenience of description, in Figure 32, without multiple wire ribs 15M, 15N (reference picture 31) of diagram.Multiple frameworks 14 (the 1st framework) have centered on inside portion 11 by radial extension shape, to separate 30 ° of interval in the circumferential in the way of Configuration.

Multiple frameworks 14 are formed with total 12 the 1st openings by the region divided between inside portion 11 and outer frame 12 Region R10A~R10L.For the ease of diagram, to the part additional shadow of the open area R10A of expression the 1st~R10L in Figure 32 Line.Circumferentially (counter clockwise direction) is arranged 1st open area R10A~R10L in order, surrounds inner side with ring-type on the whole (referring also to Figure 31) around portion 11.

(wire rib 15M, 15N)

In Figure 32, with rolling the 1st open area R10B, R10C, R10H, R10I that hacures high are represented to the left It is provided with multiple wire rib 15M (reference picture 31).In Figure 32, with rolling the 1st open region that hacures high are represented to the right Multiple wire rib 15N are provided with domain R10A, R10D, R10E, R10F, R10G, R10J, R10K, R10L.In present embodiment In, the 1st open area for being provided with multiple wire rib 15M is with the 1st open area for being provided with multiple wire rib 15N in the circumferential It is not alternately arranged.

Figure 33 is the front view for the part for representing fan guard 10K, is for illustrating multiple wire rib 15M, 15N The figure of the composition of (the 1st wire rib).There is mutually adjacent position relationship with the 1st open area R10D in the 1st open area R10C. In wire rib 15M (15MS) during viewing is arranged at the 1st open area R10C, wire rib 15 (15MS) has from position 15MT Extend to the circular arc of position 15MU.In wire rib 15N (15NS) during viewing is arranged at the 1st open area R10D, wire Rib 15 (15NS) has the circular arc that position 15NU is extended to from position 15NT.

Watching the 1st open area R10C (the 1st the 1st open area) and the 1st open area R10D (the 2nd the 1st opening Region) in the case of, divide multiple wire rib 15M and the multiple lines for dividing the 1st open area R10D of the 1st open area R10C Shape rib 15N is each configured to continuous in the form of bending or mutually discontinuous.

In the present embodiment, the above-mentioned configuration relation relevant with multiple wire rib 15M, 15N (specifically, divides phase Multiple 1st wire ribs of 2 adjacent open areas are configured to continuous in the form of bending or mutual discontinuous configuration relation) Set up for whole wire rib 15M, 15N in being arranged at the 1st open area R10A~R10L.

As shown in figure 34, the multiple wire rib 15M being configured in 1 the 1st open area R10C have respectively includes circle The circular arc of a part of MR1~MR8 (center MR).That is, be configured at multiple wire rib 15M in the 1st open area R10C by Concentric circles centered on the MR of center are arranged

The multiple wire rib 15N being similarly configured in 1 the 1st open area R10D respectively have include circle NR1~ The circular arc of a part of NR8 (center NR).That is, the multiple wire Lei15NAn Yi centers in the 1st open area R10D are configured at Concentric circles centered on NR are arranged.

Multiple wire rib 15Ms of the preferred disposition in 1 the 1st open area R10C are in concentric circles radially with equal intervals Configuration.This diameter difference with circular MR1, MR2, the diameter difference of circle MR2, MR3, the diameter difference of circle MR3, MR4, circle MR4, MR5, the diameter difference of circle MR5, MR6, the diameter difference of circle MR6, MR7 the implication phase equal with the diameter difference of circle MR7, MR8 Together.Similarly multiple wire rib 15Ns of the preferred disposition in 1 the 1st open area R10D also concentric circles radially with etc. Interval configuration.

In the present embodiment, the above-mentioned configuration relation relevant with multiple wire rib 15M, 15N (specifies multiple wire ribs The center of concentric circles is the positions different from the center 11C of inside portion 11, multiple wire ribs concentric circles radially with The configuration relation for configuring at equal intervals) for whole wire rib 15M, 15N in being arranged at the 1st open area R10A~R10L Set up.

Referring again to Figure 33, multiple wire rib 15M of present embodiment have in the circumference centered on inside portion 11 One end and another end.Such as wire rib 15M (15MS) has an end (position 15MT) and another end (position Put 15MU), these ends are arranged at the position staggered in the circumferential.It is preferred that by an end (position 15MT) and inside portion 11 The distance between the position of center 11C be set to L7, the position by another end (position 15MU) and the center 11C of inside portion 11 The distance between put in the case of being set to L8, for whole wire rib 15M, the relation of L8 ＞ L7 is set up.

On the other hand, multiple wire rib 15N of present embodiment have in the circumference centered on inside portion 11 End and another end.Such as wire rib 15N (15NS) has an end (position 15NT) and another end (position 15NU), these ends are arranged at the position staggered in the circumferential.It is preferred that by an end (position 15NT) and inside portion 11 The distance between position of center 11C is set to L9, the position by another end (position 15NU) and the center 11C of inside portion 11 The distance between be set to L10 in the case of, for whole wire rib 15N, the relation of L9 ＞ L10 is set up.

(effect and effect)

In the fan guard 10K with above-mentioned composition, be also divide the 1st open area R10A~R10L in it is adjacent 2 the 1st open areas multiple wire rib 15M, 15N be configured to it is continuous in the form of bending or mutually discontinuous.According to This composition, the direction of the air-flow blown out by the 1st open area R10A~R10L each is defined as mutually by wire rib 15M, 15N Different directions.The direction of the air-flow blown out via the 1st open area R10A~R10L each according to the direction of rotation of fan 30, The position of wire rib 15M, 15N, shapes and sizes by multiple the 1st open area R10A~R10L each be set as it is desired Value.

For example it is set to make restrained by the air-flow in upper and lower region (the 1st open area R10B, R10C, R10H, R10I), makes By the Diffusion of gas stream in the region (the 1st open area R10A, R10D, R10E, R10F, R10G, R10J, R10K, R10L) of left and right. In this case, not yaw can also make wind throughout in conventional electric fan pass through the corresponding position of yaw.For example to being seated at sand For many individuals of hair etc. or the people for couching in bed, it is not necessary to the wind for spreading up and down, therefore by making by upper and lower area The air-flow convergence in domain (the 1st open area R10B, R10C, R10H, R10I), can realize the good air-supply of efficiency.

In contrast, it is set to make expand by the air-flow in upper and lower region (the 1st open area R10B, R10C, R10H, R10I) Dissipate, make the air-flow in the region (the 1st open area R10A, R10D, R10E, R10F, R10G, R10J, R10K, R10L) by left and right Convergence.Without wind diffusion to the left and right for example when a people is sitting on chair, therefore lengthwise is converged on by concentrating wind Region, the good air-supply of efficiency can be realized.Sometimes compared with wind softly spreads on complete cycle, concentrate wind and converge on hope The region for arriving wind is more preferable.

[implementation method 13]

Figure 35,36,37,38 are respectively stereogram, front view, the cross section of the air-supply arrangement 101 for representing implementation method 13 Figure, longitudinal section.For convenience of description, in Figure 35, it is illustrated that the state of fan guard 10Ja is pulled down from casing 50, in figure In 36, the framework 51 of casing 50 is illustrated using solid line, the front panel 52 of casing 50 is illustrated using dotted line.Figure 39 is to represent air-supply The front view of the fan guard 10Ja that device 101 possesses.

As shown in figure 35, the air-supply arrangement 101 of present embodiment is the outdoor unit of air-conditioning.Air-supply arrangement 101 possesses casing 50th, fan guard 10Ja and fan 30.Casing 50 includes framework 51 and front panel 52, receives fan 30.Framework 51 has The shape of the box like of front side opening, front panel 52 is configured to be clogged from face side the opening of framework 51.Front panel 52 has There is the ventilating opening 53 of circular.

As shown in Figure 36~Figure 38, fan 30 and motor 31 (Figure 37,38), heat are internally provided with casing 50 Exchanger 32, motor angle steel 33 and horn mouth 34.Horn mouth 34 is provided with the plate body of the tap of arc-shaped.Horn mouth 34 It is configured on coaxial with fan 30, it is relative with the gap that fan 30 separates regulation.

Reference picture 39, the fan guard 10J of the fan guard 10Ja of present embodiment and above-mentioned implementation method 11 (reference picture 26) is different at following aspect.Framework 14M, 14N of fan guard 10Ja has to the frame with fan guard 10J The shape of frame 14M, 14N opposite direction bending.The wire rib 15M of fan guard 10Ja have to fan guard 10J The opposite direction bendings of wire rib 15M shape, the wire rib 15N of fan guard 10Ja have to fan guard The shape of the wire rib 15N of 10J opposite direction bending.

The outer frame 12 of fan guard 10Ja has circular shape.The interior shape shape 12a and profile of outer frame 12 Shape 12b is respectively provided with circular.The outer shape 12b of outer frame 12 is roughly the same with the ventilating opening 53 of front panel 52 or compares The ventilating opening 53 of front panel 52 is big.In the present embodiment, outer shape 12b and ventilating opening 53 are circular, outer shapes The diameter of 12b is bigger than the diameter of ventilating opening 53.Fan guard 10Ja is configured to be covered from the outside of casing 50 (front panel 52) The entirety (reference picture 35) of lid ventilating opening 53.

The fan guard 10Ja of air-supply arrangement 101 has identical with the fan guard 10J of above-mentioned implementation method 11 Shape, so can obtain big air quantity, and the blow-through of the wind for blowing out is high, therefore constitutes the wind of blowout and be taken directly The few outdoor unit of so-called short circuit.Thus, according to air-supply arrangement 101, energy-conservation can be realized, high-efficiency operation can be carried out.And, fan is protected Shield 10Ja can play the aesthetic property high of uniqueness, therefore can also expect commercial effect.Additionally, certainly can be by other above-mentioned implementations The fan guard of mode is applied to the outdoor unit of air-conditioning.The fan guard of present embodiment and other embodiment is not limited to The outdoor unit of air-conditioning, can apply to air conditioner, air purifier, humidifier, dehumidifier, electric fan, warm-air drier, cooling dress Put, the various air-supply arrangements such as air interchanger.

[implementation method 14]

Figure 40 is the stereogram of the air-supply arrangement 102 for representing implementation method 14.For convenience of description, in Figure 40, it is illustrated that The state of fan guard 10Jb is pulled down from casing 50.Figure 41 is to represent the fan guard 10Jb that air-supply arrangement 102 possesses Front view.

Reference picture 40, the air-supply arrangement 102 of present embodiment is also the outdoor unit of air-conditioning.In the present embodiment, use The fan guard 10Jb of the outer shape with rectangle.

As shown in figure 41, the fan guard of the fan guard 10Jb of present embodiment and above-mentioned implementation method 13 10Ja (reference picture 39) is different at following aspect.The outer frame 12 of fan guard 10Ja is with circular shape, and fan The outer frame 12 of protective cover 10Jb has rectangular shape.In the present embodiment, the interior shape shape 12a and profile of outer frame 12 Shape 12b is respectively provided with rectangular shape.

The outer shape 12b of the outer frame 12 of fan guard 10Jb and the ventilating opening 53 of front panel 52 it is roughly equal or Person is bigger than the ventilating opening 53 of front panel 52.In the present embodiment, outer shape 12b is rectangular shape, and ventilating opening 53 is round Shape.Fan guard 10Jb is configured to the entirety (reference picture of the outer side covers ventilating opening 53 from casing 50 (front panel 52) 40)。

According to fan guard 10Jb, can be had in the same manner as the situation of above-mentioned implementation method 11 or implementation method 13 There is high performance outdoor unit, and the outward appearance impression of outdoor unit can be significantly changed using fan guard 10Jb, therefore can constitute Meet the outdoor unit of the various outward appearances of the preference of user.

[implementation method 15]

Figure 42 is the front view for representing the fan guard 10Jc that the air-supply arrangement of implementation method 15 possesses.This embodiment party The fan guard 10Jc of formula is different at following aspect from the fan guard 10Jb (reference picture 41) of above-mentioned implementation method 14. The interior shape shape 12a of the outer frame 12 of fan guard 10Jb has a rectangular shape, and the outer frame of fan guard 10Jb 12 interior shape shape 12a has circular shape.That is, the outer frame 12 of present embodiment have circular interior shape shape 12a and The outer shape 12b of rectangle.

Can also be obtained in the same manner as the situation of above-mentioned implementation method 11 or implementation method 13,14 using fan guard 10Jc To with high performance outdoor unit, and the outward appearance impression of outdoor unit, therefore energy can be significantly changed using fan guard 10Jc Composition meets the outdoor unit of the various outward appearances of the preference of user.

[note]

The content described in each implementation method more than can also be summarized and be recited as following note.

[note 1]

A kind of fan guard,

For protecting fan, possess：

Outer frame；

Inside portion, its inner side for being configured at above-mentioned outer frame；And

Protection portion, it is arranged between above-mentioned outer frame and above-mentioned inside portion,

Above-mentioned protection portion includes：

Multiple 1st frameworks, it is formed in the circumferential by the region divided between above-mentioned outer frame and above-mentioned inside portion Multiple 1st open areas for arranging and being surrounded around above-mentioned inside portion with ring-type on the whole；And

Multiple 1st wire ribs, it is configured in each above-mentioned 1st open area, to divide each above-mentioned 1st open area Mode set,

Watching the 1st above-mentioned 1st open area and the 2nd the above-mentioned 1st adjacent with the 1st above-mentioned 1st open area In the case of open area, the 1st multiple above-mentioned 1st wire rib of above-mentioned 1st open area and division the 2nd above-mentioned the are divided The multiple above-mentioned 1st wire rib of 1 open area is configured to continuous in the form of bending or mutually discontinuous.

[note 2]

In the fan guard described in note 1,

The each of multiple above-mentioned 1st frameworks has the circular arc for the part for including circle,

It is one-to-one with the multiple above-mentioned circular arc that constitutes multiple above-mentioned 1st frameworks above-mentioned circular to be centrally disposed in phase Mutual different position.

[note 3]

In the fan guard described in note 2,

1 is centrally located at the one-to-one above-mentioned circle of multiple above-mentioned circular arc for constituting multiple above-mentioned 1st frameworks On helical curve.

[note 4]

In the fan guard described in note 2,

It is and 1 spiral shell with the one-to-one above-mentioned circular configuration of multiple above-mentioned circular arc for constituting multiple above-mentioned 1st frameworks Rotation curve inscribe.

[note 5]

In any one of 1 to 4 described fan guard is attached,

The multiple above-mentioned 1st wire rib being configured in 1 above-mentioned 1st open area is arranged with concentric circles.

[note 6]

In the fan guard described in note 5,

The center of the concentric circles of the position of the multiple above-mentioned 1st wire ribs of regulation is the center with above-mentioned inside portion Different positions.

[note 7]

In the fan guard described in note 5 or 6,

The multiple above-mentioned 1st wire rib in 1 above-mentioned 1st open area is configured in concentric circles radially with equal intervals Configuration.

[note 8]

In any one of 1 to 7 described fan guard is attached,

Above-mentioned 1st wire rib has an end and another end in the circumference centered on above-mentioned inside portion,

Distance between the end and the center of above-mentioned inside portion by above-mentioned 1st wire rib is set to L1, incites somebody to action In the case that the distance between another end of above-mentioned 1st wire rib and center of above-mentioned inside portion are set to L2,

For all above-mentioned 1st wire ribs, the relation of L1 ＞ L2 is set up.

[note 9]

In any one of 2 to 8 described fan guards are attached,

Multiple above-mentioned 1st open area for being surrounded around above-mentioned inside portion with ring-type on the whole is being defined as 1 During inside region,

Above-mentioned protection portion includes：

Multiple 2nd frameworks, it divides the region between above-mentioned inside region and above-mentioned outer frame, so as to be formed in the circumferential Multiple 2nd open areas for arranging and being surrounded around above-mentioned inside region with ring-type on the whole；And

Multiple 2nd wire ribs, it is configured in each above-mentioned 2nd open area, to divide each above-mentioned 2nd open area Mode set.

[note 10]

In the fan guard described in note 9,

The each of multiple above-mentioned 2nd frameworks has includes other circular arcs of other circular parts,

With one-to-one above-mentioned other the circular centers of multiple above-mentioned other circular arcs for constituting multiple above-mentioned 2nd frameworks It is arranged at mutually different position.

[note 11]

In the fan guard described in note 9 or 10,

Above-mentioned 2nd wire rib has an end and another end in the circumference centered on above-mentioned inside portion,

Distance between the end and the center of above-mentioned inside portion by above-mentioned 2nd wire rib is set to L3, incites somebody to action In the case that the distance between another end of above-mentioned 2nd wire rib and center of above-mentioned inside portion are set to L4, for All for above-mentioned 2nd wire rib, the relation of L3 ＞ L4 is set up.

[note 12]

In any one of 9 to 11 described fan guards are attached,

Multiple above-mentioned 2nd open area for being surrounded around above-mentioned inside region with ring-type on the whole is being defined as 1 During individual zone line,

Above-mentioned protection portion also includes being configured at the multiple 3rd wire ribs between above-mentioned zone line and above-mentioned outer frame,

Multiple above-mentioned 3rd wire ribs are configured to the rotational symmetry for having centered on the center of above-mentioned inside portion.

[note 13]

In the fan guard described in note 12,

Multiple above-mentioned 3rd wire ribs are configured to radial centered on the center of above-mentioned inside portion.

[note 14]

In the fan guard described in note 1 or 2,

Distance between the end and the center of above-mentioned inside portion by above-mentioned 1st wire rib is set to LA, incites somebody to action In the case that the distance between another end of above-mentioned 1st wire rib and center of above-mentioned inside portion are set to LB,

The multiple above-mentioned 1st wire rib for possessing the relation of LA ＞ LB is arranged at above-mentioned 1st open area of inner side and possesses Above-mentioned 1st open area that the multiple above-mentioned 1st wire rib of the relation of LB ＞ LA is arranged at inner side is alternately arranged in the circumferential.

[note 15]

In the fan guard described in note 14,

One end of above-mentioned 1st framework is located on the periphery of above-mentioned inside portion,

Another end of above-mentioned 1st framework is located on above-mentioned outer frame.

[note 16]

In any one of 1 to 15 described fan guard is attached,

In the case where the rear side towards said fans projects above-mentioned protection portion vertically, the projection of above-mentioned protection portion Image has the part Chong Die with the protection portion of the rear side fan guard of the rear side for being configured at said fans.

[note 17]

In air-supply arrangement, possess：

Fan；And

Any one of 1 to 16 described fan guard of note.

[note 18]

In the air-supply arrangement described in note 17,

Make said fans hinder marginal part it is relative with the above-mentioned protection portion of said fans protective cover in the state of will be above-mentioned after In the case that edge projects vertically towards face side, the projected image of above-mentioned hinder marginal part is only above-mentioned with said fans protective cover The part intersection of protection portion.

[note 19]

In the air-supply arrangement described in note 17,

Casing is also equipped with, above-mentioned casing has the ventilating opening of circular, receives said fans,

The outer shape of the above-mentioned outer frame of said fans protective cover is bigger than above-mentioned ventilating opening,

Said fans protective cover is configured to the above-mentioned ventilating opening of outer side covers from above-mentioned casing.

[note 20]

In the air-supply arrangement described in note 19,

Above-mentioned outer frame has the outer shape of rectangle.

Each implementation method is explained above, but above disclosure is illustration rather than restricted contents in terms of whole.This The technical scope of invention is represented by claims, it is intended to become comprising the whole in the meaning and scope being equal to claims More.

Description of reference numerals

10、10A、10B、10C、10D、10E、10F、10G、10H、10I、10J、10Ja、10Jb、10Jc、10K、10Z1、 10Z2、10Z3、10Z4、10Z5、10Z6：Fan guard；11：Inside portion；11C、14AA、14BB、14DD、14EE、14RA、 14RD、16PP、16UU、DR、ER、MR、NR、TR、UR：Center；12：Outer frame；12a：Interior shape shape；12b：Outer shape；13： Protection portion；14、14M、14N、16：Framework；14R1、14R2、14R3、14R4、18R1、18R2、18R3、AA、BB、DD、DR1、 DR2、DR3、EE、ER1、ER2、ER3、MR1、MR2、MR3、MR4、MR5、MR6、MR7、MR8、NR1、NR8、PP、QQ、RR、SS、 TR1、TR2、TR3、TR4、TT、UR1、UR2、UR3、UR4、UU：It is circular；14SP：Helical curve；15、15M、15MS、15N、 15NS、17、18：Wire rib；15MT、15MU、15NT、15NU、A1、A2、B1、B2、C1、C2、D1、D2、D11、D12、D21、 D22、D31、D32、E1、E2、E11、E12、E21、E22、E31、E32、P1、P2、Q1、Q2、R1、R2、S1、S2、T1、T2、T11、 T12、T21、T22、T31、T32、T41、T42、U1、U2、U11、U12、U21、U22、U31、U32、U41、U42：Position；18T、 18U、A11、P11：End；20：Rear side fan guard；30：Fan；30E：Hinder marginal part；31：Motor；32：Heat exchange Device；33：Motor angle steel；34：Horn mouth；40：Main part；50：Casing；51：Framework；52：Front panel；53：Ventilating opening；100、 101、102：Air-supply arrangement；PE：Line；R10D、R10C、R10B、R10H、R10J、R10E、R10L、R10F、R10A、R10N、 R10G、R10I、R10K、R10M：1st open area；R20U、R20T、R20P：2nd open area.

Claims

1. a kind of fan guard, for protecting fan, said fans protective cover to be characterised by possessing：

Outer frame；

Above-mentioned protection portion includes：

Multiple 1st frameworks, it passes through to divide the region between above-mentioned outer frame and above-mentioned inside portion, and formation is arranged simultaneously in the circumferential Multiple 1st open areas for being surrounded around above-mentioned inside portion with ring-type on the whole；And

Multiple 1st wire ribs, it is configured in each above-mentioned 1st open area, to divide the side of each above-mentioned 1st open area Formula is set,

Watching the 1st above-mentioned 1st open area and 2nd above-mentioned 1st opening adjacent with the 1st above-mentioned 1st open area In the case of region, divide the 1st multiple above-mentioned 1st wire rib of above-mentioned 1st open area and divide the 2nd the above-mentioned 1st and open The multiple above-mentioned 1st wire rib in mouth region domain is configured to continuous in the form of bending or mutually discontinuous.

2. fan guard according to claim 1, it is characterised in that

It is one-to-one above-mentioned circular with the multiple above-mentioned circular arc for constituting multiple above-mentioned 1st frameworks to be centrally disposed in mutually not Same position.

3. fan guard according to claim 1 and 2, it is characterised in that

4. fan guard according to claim 3, it is characterised in that

The center of the concentric circles of the position of the multiple above-mentioned 1st wire ribs of regulation is different from the center of above-mentioned inside portion Position.

5. the fan guard according to claim 3 or 4, it is characterised in that

The multiple above-mentioned 1st wire rib in 1 above-mentioned 1st open area is configured in concentric circles radially to match somebody with somebody at equal intervals Put.

6. according to the fan guard that any one of claim 1 to 5 is described, it is characterised in that

Distance between the end and the center of above-mentioned inside portion by above-mentioned 1st wire rib be set to L1, will be above-mentioned In the case that the distance between another end of 1st wire rib and center of above-mentioned inside portion are set to L2,

For all above-mentioned 1st wire ribs, the relation of L1 ＞ L2 is set up.

7. fan guard according to claim 1 and 2, it is characterised in that

Distance between the end and the center of above-mentioned inside portion by above-mentioned 1st wire rib be set to LA, will be above-mentioned In the case that the distance between another end of 1st wire rib and center of above-mentioned inside portion are set to LB,

The multiple above-mentioned 1st wire rib for possessing the relation of LA ＞ LB is arranged at above-mentioned 1st open area of inner side and possesses LB ＞ Above-mentioned 1st open area that the multiple above-mentioned 1st wire rib of the relation of LA is arranged at inner side is alternately arranged in the circumferential.

8. fan guard according to claim 7, it is characterised in that

9. according to the fan guard that any one of claim 1 to 8 is described, it is characterised in that

In the case where the rear side towards said fans projects above-mentioned protection portion vertically, the projected image of above-mentioned protection portion With the part Chong Die with the protection portion of the rear side fan guard of the rear side for being configured at said fans.

10. a kind of air-supply arrangement, it is characterised in that possess：

Fan；And

The described fan guard of any one of claim 1 to 9.

11. air-supply arrangements according to claim 10, it is characterised in that

Said fans protective cover is configured in the way of from the above-mentioned ventilating opening of the outer side covers of above-mentioned casing.

12. air-supply arrangements according to claim 11, it is characterised in that

Above-mentioned outer frame has the outer shape of rectangle.